chore(release): set APP_VERSION to v1.7.5 [skip ci]

Updated the video demo date and link in README.

.gitattributes

@@ -1,4 +1,40 @@
-public/api.html linguist-documentation
-public/openapi.json linguist-documentation
-resources/ export-ignore
-.github/ export-ignore
+# --- Docs that shouldn't count toward code stats
+public/api.php            linguist-documentation
+public/openapi.json       linguist-documentation
+openapi.json.dist         linguist-documentation
+SECURITY.md               linguist-documentation
+CHANGELOG.md              linguist-documentation
+CONTRIBUTING.md           linguist-documentation
+CODE_OF_CONDUCT.md        linguist-documentation
+LICENSE                   linguist-documentation
+README.md                 linguist-documentation
+
+# --- Vendored/minified stuff: exclude from Linguist
+public/vendor/**          linguist-vendored
+public/css/vendor/**      linguist-vendored
+public/fonts/**           linguist-vendored
+public/js/**/*.min.js     linguist-vendored
+public/**/*.min.css       linguist-vendored
+public/**/*.map           linguist-generated
+
+# --- Treat assets as binary (nicer diffs)
+*.png   -diff
+*.jpg   -diff
+*.jpeg  -diff
+*.gif   -diff
+*.webp  -diff
+*.svg   -diff
+*.ico   -diff
+*.woff  -diff
+*.woff2 -diff
+*.ttf   -diff
+*.otf   -diff
+*.zip   -diff
+
+# --- Keep these out of auto-generated source archives (OK to ignore)
+# Only ignore things you *never* need in release tarballs
+.github/           export-ignore
+resources/         export-ignore
+
+# --- Normalize text files
+* text=auto

.github/FUNDING.yml

@@ -0,0 +1,3 @@
+---
+github: [error311]
+ko_fi: error311

.github/workflows/release-on-version.yml

@@ -0,0 +1,204 @@
+---
+name: Release on version.js update
+
+on:
+  push:
+    branches: ["master"]
+    paths:
+      - public/js/version.js
+  workflow_run:
+    workflows: ["Bump version and sync Changelog to Docker Repo"]
+    types: [completed]
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    concurrency:
+      group: release-${{ github.ref }}-${{ github.sha }}
+      cancel-in-progress: false
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Ensure tags available
+        run: |
+          git fetch --tags --force --prune --quiet
+
+      - name: Read version from version.js
+        id: ver
+        shell: bash
+        run: |
+          set -euo pipefail
+          VER=$(grep -Eo "APP_VERSION\s*=\s*['\"]v[^'\"]+['\"]" public/js/version.js | sed -E "s/.*['\"](v[^'\"]+)['\"].*/\1/")
+          if [[ -z "$VER" ]]; then
+            echo "Could not parse APP_VERSION from version.js" >&2
+            exit 1
+          fi
+          echo "version=$VER" >> "$GITHUB_OUTPUT"
+          echo "Parsed version: $VER"
+
+      - name: Skip if tag already exists
+        id: tagcheck
+        shell: bash
+        run: |
+          set -euo pipefail
+          if git rev-parse -q --verify "refs/tags/${{ steps.ver.outputs.version }}" >/dev/null; then
+            echo "exists=true" >> "$GITHUB_OUTPUT"
+            echo "Tag ${{ steps.ver.outputs.version }} already exists. Skipping release."
+          else
+            echo "exists=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      # Ensure the stamper is executable and has LF endings (helps if edited on Windows)
+      - name: Prep stamper script
+        if: steps.tagcheck.outputs.exists == 'false'
+        shell: bash
+        run: |
+          set -euo pipefail
+          sed -i 's/\r$//' scripts/stamp-assets.sh || true
+          chmod +x scripts/stamp-assets.sh
+
+      - name: Build zip artifact (stamped)
+        if: steps.tagcheck.outputs.exists == 'false'
+        shell: bash
+        run: |
+          set -euo pipefail
+          VER="${{ steps.ver.outputs.version }}"  # e.g. v1.6.12
+          ZIP="FileRise-${VER}.zip"
+
+          # Clean staging copy (exclude dotfiles you don’t want)
+          rm -rf staging
+          rsync -a \
+            --exclude '.git' --exclude '.github' \
+            --exclude 'resources' \
+            --exclude '.dockerignore' --exclude '.gitattributes' --exclude '.gitignore' \
+            ./ staging/
+
+          # Stamp IN THE STAGING COPY (invoke via bash to avoid exec-bit issues)
+          bash ./scripts/stamp-assets.sh "${VER}" "$(pwd)/staging"
+
+      - name: Verify placeholders are gone (staging)
+        if: steps.tagcheck.outputs.exists == 'false'
+        shell: bash
+        run: |
+          set -euo pipefail
+          ROOT="$(pwd)/staging"
+          if grep -R -n -E "{{APP_QVER}}|{{APP_VER}}" "$ROOT" \
+              --include='*.html' --include='*.php' --include='*.css' --include='*.js' 2>/dev/null; then
+            echo "---- DEBUG (show 10 hits with context) ----"
+            grep -R -n -E "{{APP_QVER}}|{{APP_VER}}" "$ROOT" \
+              --include='*.html' --include='*.php' --include='*.css' --include='*.js' \
+              | head -n 10 | while IFS=: read -r file line _; do
+                  echo ">>> $file:$line"
+                  nl -ba "$file" | sed -n "$((line-3)),$((line+3))p" || true
+                  echo "----------------------------------------"
+                done
+            exit 1
+          fi
+          echo "OK: No unreplaced placeholders in staging."
+
+      - name: Zip stamped staging
+        if: steps.tagcheck.outputs.exists == 'false'
+        shell: bash
+        run: |
+          set -euo pipefail
+          VER="${{ steps.ver.outputs.version }}"
+          ZIP="FileRise-${VER}.zip"
+          (cd staging && zip -r "../$ZIP" . >/dev/null)
+
+      - name: Compute SHA-256 checksum
+        if: steps.tagcheck.outputs.exists == 'false'
+        id: sum
+        shell: bash
+        run: |
+          set -euo pipefail
+          ZIP="FileRise-${{ steps.ver.outputs.version }}.zip"
+          SHA=$(shasum -a 256 "$ZIP" | awk '{print $1}')
+          echo "$SHA  $ZIP" > "${ZIP}.sha256"
+          echo "sha=$SHA" >> "$GITHUB_OUTPUT"
+          echo "Computed SHA-256: $SHA"
+
+      - name: Extract notes from CHANGELOG (optional)
+        if: steps.tagcheck.outputs.exists == 'false'
+        id: notes
+        shell: bash
+        run: |
+          set -euo pipefail
+          NOTES_PATH=""
+          if [[ -f CHANGELOG.md ]]; then
+            awk '
+              BEGIN{found=0}
+              /^## / && !found {found=1}
+              found && /^---$/ {exit}
+              found {print}
+            ' CHANGELOG.md > CHANGELOG_SNIPPET.md || true
+            sed -i -e :a -e '/^\n*$/{$d;N;ba' -e '}' CHANGELOG_SNIPPET.md || true
+            if [[ -s CHANGELOG_SNIPPET.md ]]; then
+              NOTES_PATH="CHANGELOG_SNIPPET.md"
+            fi
+          fi
+          echo "path=$NOTES_PATH" >> "$GITHUB_OUTPUT"
+
+      - name: Compute previous tag (for Full Changelog link)
+        if: steps.tagcheck.outputs.exists == 'false'
+        id: prev
+        shell: bash
+        run: |
+          set -euo pipefail
+          VER="${{ steps.ver.outputs.version }}"
+          PREV=$(git tag --list "v*" --sort=-v:refname | grep -v -F "$VER" | head -n1 || true)
+          if [[ -z "$PREV" ]]; then
+            PREV=$(git rev-list --max-parents=0 HEAD | tail -n1)
+          fi
+          echo "prev=$PREV" >> "$GITHUB_OUTPUT"
+          echo "Previous tag or baseline: $PREV"
+
+      - name: Build release body (snippet + full changelog + checksum)
+        if: steps.tagcheck.outputs.exists == 'false'
+        shell: bash
+        run: |
+          set -euo pipefail
+          VER="${{ steps.ver.outputs.version }}"
+          PREV="${{ steps.prev.outputs.prev }}"
+          REPO="${GITHUB_REPOSITORY}"
+          COMPARE_URL="https://github.com/${REPO}/compare/${PREV}...${VER}"
+          ZIP="FileRise-${VER}.zip"
+          SHA="${{ steps.sum.outputs.sha }}"
+
+          {
+            echo
+            if [[ -s CHANGELOG_SNIPPET.md ]]; then
+              cat CHANGELOG_SNIPPET.md
+              echo
+            fi
+            echo "## ${VER}"
+            echo "### Full Changelog"
+            echo "[${PREV} → ${VER}](${COMPARE_URL})"
+            echo
+            echo "### SHA-256 (zip)"
+            echo '```'
+            echo "${SHA}  ${ZIP}"
+            echo '```'
+          } > RELEASE_BODY.md
+
+          echo "Release body:"
+          sed -n '1,200p' RELEASE_BODY.md
+
+      - name: Create GitHub Release
+        if: steps.tagcheck.outputs.exists == 'false'
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ steps.ver.outputs.version }}
+          target_commitish: ${{ github.sha }}
+          name: ${{ steps.ver.outputs.version }}
+          body_path: RELEASE_BODY.md
+          generate_release_notes: false
+          files: |
+            FileRise-${{ steps.ver.outputs.version }}.zip
+            FileRise-${{ steps.ver.outputs.version }}.zip.sha256

.github/workflows/sync-changelog.yml

@@ -1,44 +1,115 @@
 ---
-name: Sync Changelog to Docker Repo
+name: Bump version and sync Changelog to Docker Repo
 
 on:
   push:
     paths:
-      - 'CHANGELOG.md'
+      - "CHANGELOG.md"
+  workflow_dispatch: {}
 
 permissions:
   contents: write
 
+concurrency:
+  group: bump-and-sync-${{ github.ref }}
+  cancel-in-progress: false
+
 jobs:
-  sync:
+  bump_and_sync:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout FileRise
         uses: actions/checkout@v4
         with:
-          path: file-rise
+          fetch-depth: 0
+          ref: ${{ github.ref }}
+
+      - name: Extract version from commit message
+        id: ver
+        shell: bash
+        run: |
+          set -euo pipefail
+          MSG="${{ github.event.head_commit.message }}"
+          if [[ "$MSG" =~ release\((v[0-9]+\.[0-9]+\.[0-9]+)\) ]]; then
+            echo "version=${BASH_REMATCH[1]}" >> "$GITHUB_OUTPUT"
+            echo "Found version: ${BASH_REMATCH[1]}"
+          else
+            echo "version=" >> "$GITHUB_OUTPUT"
+            echo "No release(vX.Y.Z) tag in commit message; skipping bump."
+          fi
+
+      # Ensure we're on the branch and up to date BEFORE modifying files
+      - name: Ensure clean branch (no local mods), update from remote
+        if: steps.ver.outputs.version != ''
+        shell: bash
+        run: |
+          set -euo pipefail
+          # Be on a named branch that tracks the remote
+          git checkout -B "${{ github.ref_name }}" --track "origin/${{ github.ref_name }}" || git checkout -B "${{ github.ref_name }}"
+          # Make sure the worktree is clean
+          if ! git diff --quiet || ! git diff --cached --quiet; then
+            echo "::error::Working tree not clean before update. Aborting."
+            git status --porcelain
+            exit 1
+          fi
+          # Update branch
+          git pull --rebase origin "${{ github.ref_name }}"
+
+      - name: Update public/js/version.js (source of truth)
+        if: steps.ver.outputs.version != ''
+        shell: bash
+        run: |
+          set -euo pipefail
+          cat > public/js/version.js <<'EOF'
+          // generated by CI
+          window.APP_VERSION = '${{ steps.ver.outputs.version }}';
+          EOF
+
+      - name: Commit version.js only
+        if: steps.ver.outputs.version != ''
+        shell: bash
+        run: |
+          set -euo pipefail
+          git config user.name  "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add public/js/version.js
+          if git diff --cached --quiet; then
+            echo "No changes to commit"
+          else
+            git commit -m "chore(release): set APP_VERSION to ${{ steps.ver.outputs.version }} [skip ci]"
+            git push origin "${{ github.ref_name }}"
+          fi
 
       - name: Checkout filerise-docker
+        if: steps.ver.outputs.version != ''
         uses: actions/checkout@v4
         with:
           repository: error311/filerise-docker
           token: ${{ secrets.PAT_TOKEN }}
           path: docker-repo
+          fetch-depth: 0
 
-      - name: Copy CHANGELOG.md
+      - name: Copy CHANGELOG.md and write VERSION
+        if: steps.ver.outputs.version != ''
+        shell: bash
         run: |
-          cp file-rise/CHANGELOG.md docker-repo/CHANGELOG.md
+          set -euo pipefail
+          cp CHANGELOG.md docker-repo/CHANGELOG.md
+          echo "${{ steps.ver.outputs.version }}" > docker-repo/VERSION
 
-      - name: Commit & push
+      - name: Commit & push to docker repo
+        if: steps.ver.outputs.version != ''
         working-directory: docker-repo
+        shell: bash
         run: |
+          set -euo pipefail
           git config user.name  "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add CHANGELOG.md
+          git add CHANGELOG.md VERSION
           if git diff --cached --quiet; then
             echo "No changes to commit"
           else
-            git commit -m "chore: sync CHANGELOG.md from FileRise"
+            git commit -m "chore: sync CHANGELOG.md + VERSION (${{ steps.ver.outputs.version }}) from FileRise"
             git push origin main
           fi

CHANGELOG.md

@@ -1,5 +1,512 @@
 # Changelog
 
+## Changes 11/2/2025 (v1.7.5)
+
+release(v1.7.5): CSP hardening, API-backed previews, flicker-free theming, cache tuning & deploy script (closes #50)
+release(v1.7.5): retrigger CI bump (no code changes)
+release(v1.7.5): retrigger CI bump ensure up to date
+
+### Security/headers
+
+- Tighten CSP: pin the inline pre-theme snippet with a script-src SHA-256 and keep everything else on 'self'.
+- Improve cache policy for versioned assets: force 1y + immutable and add s-maxage for CDNs; also avoid HSTS redirects on local/dev hosts.
+
+### Previews & editor
+
+- Remove hardcoded `/uploads/` paths; always build preview URLs via the API (respects UPLOAD_DIR/ACL).
+- Use the API URL for gallery prev/next and file-menu “Preview” to fix 404s on custom storage roots.
+- Editor now probes size safely (HEAD → Range 0-0 fallback) before fetching, then fetches with credentials.
+
+### Login, theming & UX polish
+
+- Pre-theme inline boot sets `dark-mode` + background early; swap to `[hidden]`/`unhide()` instead of inline `display:none`.
+- Add full-screen loading overlay with quick fade and proper color-scheme; prevent white/black flash on theme flips.
+- Refactor app/login reveal flow in `main.js` (`revealAppAndHideOverlay`, `authed` path, setup wizard).
+
+### HTML/CSS & perf
+
+- Make Bootstrap/Styles/Roboto critical (plain `<link rel="stylesheet">`); keep fonts as true preloads; modulepreload app entry.
+- Export a `__CSS_PROMISE__` from `defer-css.js` for sites that still promote preloads.
+- Header logo marked `fetchpriority="high"` for faster first paint.
+- Normalize dark-mode selectors to `.dark-mode` scope (admin panel, etc.).
+
+### Manual Deploy script
+
+- Add `scripts/filerise-deploy.sh`: idempotent rsync-based deploy with writable dirs preserved, optional Composer install, and PHP-FPM/Apache reloads.
+
+### Notes
+
+- If you change the inline pre-theme snippet, update the CSP hash accordingly.
+
+---
+
+## Changes 10/31/2025 (v1.7.4)
+
+release(v1.7.4): login hint replace toast + fix unauth boot
+
+main.js
+
+- Added isDemoHost() and showLoginTip(message).
+- In the unauth branch, call showLoginTip('Please log in to continue').
+- Removed ensureToastReady() + showToast('please_log_in_to_continue') in the unauth path to avoid loading toast/DOM utils before auth.
+
+---
+
+## Changes 10/31/2025 (v1.7.3)
+
+release(v1.7.3): lightweight boot pipeline, dramatically faster first paint, deduped /api writes, sturdier uploads/auth
+
+### 🎃 Highlights (advantages) 👻 🦇
+
+- ⚡ Faster, cleaner boot: a lightweight **main.js** decides auth/setup before painting, avoids flicker, and wires modules exactly once.
+- ♻️ Fewer duplicate actions: **request coalescer** dedupes POST/PUT/PATCH/DELETE to /api/* .
+- ✅ Truthy UX: global **toast bridge** queues early toasts and normalizes misleading “not found/already exists” messages after success.
+- 🔐 Smoother auth: CSRF priming/rotation + **TOTP step-up detection** across JSON & redirect paths; “Welcome back, `user`” toast once per tab.
+- 🌓 Polished UI: **dark-mode persistence with system fallback**, live siteConfig title application, higher-z modals, drag auto-scroll.
+- 🚀 Faster first paint & interactions: defer CodeMirror/Fuse/Resumable, promote preloaded CSS, and coalesce duplicate requests → snappier UI.
+- 🧭 Admin polish: live header title preview, masked OIDC fields with **Replace** flow, and a **read-only Sponsors/Donations** section.
+- 🧱 Safer & cache-smarter: opinionated .htaccess (CSP/HSTS/MIME/compression) + `?v={{APP_QVER}}` for versioned immutable assets.
+
+### Core bootstrap (main.js) overhaul
+
+- Early **toast bridge** (queues until domUtils is ready); expose `window.__FR_TOAST_FILTER__` for centralized rewrites/suppression.
+- **Result guard + request coalescer** wrapping `fetch`:
+  - Dedupes same-origin `/api/*` mutating requests for ~800ms using a stable key (method + path + normalized body).
+  - Tracks “last OK” JSON (`success|status|result=ok`) to suppress false-negative error toasts after success.
+- **Boot orchestrator** with hard guards:
+  - `__FR_FLAGS` (`booted`, `initialized`, `wired.*`, `bootPromise`, `entryStarted`) to prevent double init/leaks.
+  - **No-flicker login**: resolve `checkAuth()` + `setup` before showing UI; show login only when truly unauthenticated.
+  - **Heavy boot** for authed users: load i18n, `appCore.loadCsrfToken/initializeApp`, first file list, then light UI wiring.
+- **Auth flow**:
+  - `primeCsrf()` + `<meta name="csrf-token">` management; persist token in localStorage.
+  - **TOTP** detection via header (`X-TOTP-Required`) & JSON (`totp_required` / `TOTP_REQUIRED`); calls `openTOTPLoginModal()`.
+  - **Welcome toast** once per tab via `sessionStorage.__fr_welcomed`.
+- **UI/UX niceties**:
+  - `applySiteConfig()` updates header title & login method visibility on both login & authed screens.
+  - Dark-mode persistence with system fallback, proper a11y labels/icons.
+  - Create dropdown/menu wiring with capture-phase outside-click + ESC close; modal cancel safeties.
+  - Lift modals above cards (z-index), **drag auto-scroll** near viewport edges.
+  - Dispatch legacy `DOMContentLoaded`/`load` **once** (supports older inline handlers).
+  - Username label refresh for existing `.user-name-label` without injecting new DOM.
+
+### Performance & UX changes
+
+- CSS/first paint:
+  - Preload Bootstrap & app CSS; promote at DOMContentLoaded; keep inline CSS minimal.
+  - Add `width/height/decoding/fetchpriority` to logo to reduce layout shift.
+- Search/editor/uploads:
+  - **fileListView.js**: lazy-load Fuse with instant substring fallback; `warmUpSearch()` hook.
+  - **fileEditor.js**: lazy-load CodeMirror core/theme/modes; start plain then upgrade; guard very large files gracefully.
+  - **upload.js**: lazy-load Resumable; resilient init; background warm-up; smarter addFile/submit; clearer toasts.
+- Toast/UX:
+  - Install early toast bridge; queue & normalize messages; neutral “Done.” when server returns misleading errors after success.
+
+### Correctness: uploads, paths, ACLs
+
+- **UploadController/UploadModel**: normalize folders via `ACL::normalizeFolder(rawurldecode())`; stricter segment checks; consistent base paths; safer metadata writes; proper chunk presence/merge & temp cleanup.
+
+### Auth hardening & resilience
+
+- **auth.js/main.js/appCore.js**: CSRF rotate/retry (JSON then x-www-form-urlencoded fallback); robust login handling; fewer misleading error toasts.
+- **AuthController**: OIDC username fallback to `email` or `sub` when `preferred_username` missing.
+
+### Admin panel
+
+- **adminPanel.js**:
+  - Live header title preview (instant update without reload).
+  - Masked OIDC client fields with **Replace** button; saved-value hints; only send secrets when replacing.
+  - **New “Sponsor / Donations” section (read-only)**:
+    - GitHub Sponsors → `https://github.com/sponsors/error311`
+    - Ko-fi → `https://ko-fi.com/error311`
+    - Includes **Copy** and **Open** buttons; values are fixed.
+- **AdminController**: boolean for `oidc.hasClientId/hasClientSecret` to drive masked inputs.
+
+### Security & caching (.htaccess)
+
+- Consolidated security headers (CSP, CORP, HSTS on HTTPS), MIME types, compression (Brotli/Deflate), TRACE disable.
+- Caching rules:
+  - HTML/version.js: no-cache; unversioned JS/CSS: 1h; unversioned static: 7d; **versioned assets `?v=`: 1y `immutable`**.
+- **config.php**: remove duplicate runtime headers (now via Apache) to avoid proxy/CDN conflicts.
+
+### Upgrade notes
+
+- No schema changes.
+- Ensure Apache modules (`headers`, `rewrite`, `brotli`/`deflate`) are available for the new .htaccess rules (fallbacks included).
+- Versioned assets mean users shouldn’t need a hard refresh; `?v={{APP_QVER}}` busts caches automatically.
+
+---
+
+## Changes 10/29/2025 (v1.7.0 & v1.7.1 & v1.7.2)
+
+release(v1.7.0): asset cache-busting pipeline, public siteConfig cache, JS core split, and caching/security polish
+
+### ✨ Features
+
+- Public, non-sensitive site config cache:
+  - Add `AdminModel::buildPublicSubset()` and `writeSiteConfig()` to write `USERS_DIR/siteConfig.json`.
+  - New endpoint `public/api/siteConfig.php` + `UserController::siteConfig()` to serve the public subset (regenerates if stale).
+  - Frontend now reads `/api/siteConfig.php` (safe subset) instead of `/api/admin/getConfig.php`.
+- Frontend module versioning:
+  - Replace all module imports with `?v={{APP_QVER}}` query param so the release/Docker stamper can pin exact versions.
+  - Add `scripts/stamp-assets.sh` to stamp `?v=` and `{{APP_VER}}/{{APP_QVER}}` in **staging** for ZIP/Docker builds.
+
+### 🧩 Refactors
+
+- Extract shared boot/bootstrap logic into `public/js/appCore.js`:
+  - CSRF helpers (`setCsrfToken`, `getCsrfToken`, `loadCsrfToken`)
+  - `initializeApp()`, `triggerLogout()`
+  - Keep `main.js` lean; wrap global `fetch` once to append/rotate CSRF.
+- Update imports across JS modules to use versioned module URLs.
+
+### 🚀 Performance
+
+- Aggressive, safe caching for versioned assets:
+  - `.htaccess`: `?v=…` ⇒ `Cache-Control: max-age=31536000, immutable`.
+  - Unversioned JS/CSS short cache (1h), other static (7d).
+- Eliminate duplicate `main.js` loads and tighten CodeMirror mode loading.
+
+### 🔒 Security / Hardening
+
+- `.htaccess`:
+  - Conditional HSTS only when HTTPS, add CORP and X-Permitted-Cross-Domain-Policies.
+  - CSP kept strict for modules, workers, blobs.
+- Admin config exposure reduced to a curated subset in `siteConfig.json`.
+
+### 🧪 CI/CD / Release
+
+- **FileRise repo**
+  - `sync-changelog.yml`: keep `public/js/version.js` as source-of-truth only (no repo-wide stamping).
+  - `release-on-version.yml`: build **stamped** ZIP from a staging copy via `scripts/stamp-assets.sh`, verify placeholders removed, attach checksum.
+- **filerise-docker repo**
+  - Read `VERSION`, checkout app to `app/`, run stamper inside build context before `docker buildx`, tag `latest` and `:${VERSION}`.
+
+### 🔧 Defaults
+
+- Sample/admin config defaults now set `disableBasicAuth: true` (safer default). Existing installations keep their current setting.
+
+### 📂 Notable file changes
+
+- `src/models/AdminModel.php` (+public subset +atomic write)
+- `src/controllers/UserController.php` (+siteConfig action)
+- `public/api/siteConfig.php` (new)
+- `public/js/appCore.js` (new), `public/js/main.js` (slim, uses appCore)
+- Many `public/js/*.js` import paths updated to `?v={{APP_QVER}}`
+- `public/.htaccess` (caching & headers)
+- `scripts/stamp-assets.sh` (new)
+
+### ⚠️ Upgrade notes
+
+- Ensure `USERS_DIR` is writable by web server for `siteConfig.json`.
+- Proxies/edge caches: the new `?v=` scheme enables long-lived immutable caching; purge is automatic on version bump.
+- If you previously read admin config directly on the client, it now reads `/api/siteConfig.php`.
+
+### Additional changes/fixes for release
+
+- `release-on-version.yml`
+  - normalize line endings (strip CRLF)
+  - stamp-assets.sh don’t rely on the exec; invoke via bash
+
+release(v1.7.2): harden asset stamping & CI verification
+
+### build(stamper)
+
+- Rewrite scripts/stamp-assets.sh to be repo-agnostic and macOS/Windows friendly:
+  - Drop reliance on git ls-files/mapfile; use find + null-delimited loops
+  - Normalize CRLF to LF for all web assets before stamping
+  - Stamp ?v=<APP_QVER> in HTML/CSS/PHP and {{APP_VER}} everywhere
+  - Normalize any ".mjs|.js?v=..." occurrences inside JS (ESM imports/strings)
+  - Force-write public/js/version.js from VER (source of truth in stamped output)
+  - Print touched counts and fail fast if any {{APP_QVER}}|{{APP_VER}} remain
+
+---
+
+## Changes 10/28/2025 (v1.6.11)
+
+release(v1.6.11) fix(ui/dragAndDrop) restore floating zones toggle click action
+
+Re-add the click handler to toggle `zonesCollapsed` so the header
+“sidebarToggleFloating” button actually expands/collapses the zones
+again. This regressed in v1.6.10 during auth-gating refactor.
+
+Refs: #regression #ux
+
+chore(codeql): move config to repo root for default setup
+
+- Relocate .github/codeql/codeql-config.yml to codeql-config.yml so GitHub default code scanning picks it up
+- Keep paths: public/js, api
+- Keep ignores: public/vendor/**, public/css/vendor/**, public/fonts/**, public/**/*.min.{js,css}, public/**/*.map
+
+---
+
+## Changes 10/28/2025 (v1.6.10)
+
+release(v1.6.10): self-host ReDoc, gate sidebar toggle on auth, and enrich release workflow
+
+- Vendor ReDoc and add MIT license file under public/vendor/redoc/; switch api.php to local bundle to satisfy CSP (script-src 'self').
+- main.js: add/remove body.authenticated on login/logout so UI can reflect auth state.
+- dragAndDrop.js: only render sidebarToggleFloating when authenticated; stop event bubbling, keep dark-mode styles.
+- sync-changelog.yml: also stamp ?v= in PHP templates (public/**/*.php).
+- release-on-version.yml: build zip first, compute SHA-256, assemble release body with latest CHANGELOG snippet, “Full Changelog” compare link, and attach .sha256 alongside the zip.
+- THIRD_PARTY.md: document ReDoc vendoring and rationale.
+
+Refs: #security #csp #release
+
+---
+
+## Changes 10/27/2025 (v1.6.9)
+
+release(v1.6.9): feat(core) localize assets, harden headers, and speed up load
+
+- index.html: drop all CDNs in favor of local /vendor assets
+  - add versioned cache-busting query (?v=…) on CSS/JS
+  - wire version.js for APP_VERSION and numeric cache key
+- public/vendor/: add pinned copies of:
+  - bootstrap 4.5.2, codemirror 5.65.5 (+ themes/modes), dompurify 2.4.0,
+    fuse.js 6.6.2, resumable.js 1.1.0
+- fonts: add self-hosted Material Icons + Roboto (latin + latin-ext) with
+  vendor CSS (material-icons.css, roboto.css)
+
+- fileEditor.js: load CodeMirror modes from local vendor with ?v=APP_VERSION_NUM,
+  keep timeout/plain-text fallback, no SRI (same-origin)
+- dragAndDrop.js: nudge zonesToggle 65px left to sit tighter to the logo
+
+- styles.css: prune/organize rules and add small utility classes; move 3P
+  font CSS to /css/vendor/
+
+- .htaccess: security + performance overhaul
+  - Content-Security-Policy: default-src 'self'; img-src include data: and blob:
+  - version-aware caching: HTML/version.js = no-cache; assets with ?v= = 1y immutable
+  - correct MIME for fonts/SVG; enable Brotli/Gzip (if available)
+  - X-Frame-Options, X-Content-Type-Options, Referrer-Policy, HSTS, Permissions-Policy
+  - disable TRACE; deny dotfiles; prevent directory listing
+
+- .gitattributes: mark vendor/minified as linguist-vendored, treat assets as
+  binary in diffs, exclude CI/resources from source archives
+
+- docs/licensing:
+  - add licenses/ and THIRD_PARTY.md with upstream licenses/attribution
+  - README: add “License & Credits” section with components and licenses
+
+- CI: (sync-changelog) stamp asset cache-busters to the numeric release
+  (e.g. ?v=1.6.9) and write window.APP_VERSION in version.js before Docker build
+
+perf: site loads significantly faster with local assets + compression + long-lived caching
+security: CSP, strict headers, and same-origin assets reduce XSS/SRI/CORS risk
+
+Refs: #performance #security
+
+---
+
+## Changes 10/25/2025 (v1.6.8)
+
+release(v1.6.8): fix(ui) prevent Extract/Create flash on refresh; remember last folder
+
+- Seed `currentFolder` from `localStorage.lastOpenedFolder` (fallback to "root")
+- Stop eager `loadFileList('root')` on boot; defer initial load to resolved folder
+- Hide capability-gated actions by default (`#extractZipBtn`, `#createBtn`) to avoid pre-auth flash
+- Eliminates transient root state when reloading inside a subfolder
+
+User-visible: refreshing a non-root folder no longer flashes Root items or privileged buttons; app resumes in the last opened folder.
+
+---
+
+## Changes 10/25/2025 (v1.6.7)
+
+release(v1.6.7): Folder Move feature, stable DnD persistence, safer uploads, and ACL/UI polish
+
+### 📂 Folder Move (new major feature)
+
+**Drag & Drop to move folder, use context menu or Move Folder button**  
+
+- Added **Move Folder** support across backend and UI.  
+  - New API endpoint: `public/api/folder/moveFolder.php`  
+  - Controller and ACL updates to validate scope, ownership, and permissions.  
+  - Non-admins can only move within folders they own.  
+  - `ACL::renameTree()` re-keys all subtree ACLs on folder rename/move.  
+- Introduced new capabilities:
+  - `canMoveFolder`
+  - `canMove` (UI alias for backward compatibility)
+- New “Move Folder” button + modal in the UI with full i18n strings (`i18n.js`).  
+- Action button styling and tooltip consistency for all folder actions.
+
+### 🧱 Drag & Drop / Layout Improvements
+
+- Fixed **random sidebar → top zone jumps** on refresh.  
+- Cards/panels now **persist exactly where you placed them** (`userZonesSnapshot`)  
+  — no unwanted repositioning unless the window is resized below the small-screen threshold.
+- Added hysteresis around the 1205 px breakpoint to prevent flicker when resizing.  
+- Eliminated the 50 px “ghost” gutter with `clampSidebarWhenEmpty()`:
+  - Sidebar no longer reserves space when collapsed or empty.  
+  - Temporarily “unclamps” during drag so drop targets remain accurate and full-width.  
+- Removed forced 800 px height on drag highlight; uses natural flex layout now.  
+- General layout polish — smoother transitions when toggling *Hide/Show Panels*.
+
+### ☁️ Uploads & UX
+
+- Stronger folder sanitization and safer base-path handling.  
+- Fixed subfolder creation when uploading directories (now builds under correct parent).  
+- Improved chunk error handling and metadata key correctness.  
+- Clearer success/failure toasts and accurate filename display from server responses.
+
+### 🔐 Permissions / ACL
+
+- Simplified file rename checks — now rely solely on granular `ACL::canRename()`.  
+- Updated capability lists to include move/rename operations consistently.
+
+### 🌐 UI / i18n Enhancements
+
+- Added i18n strings for new “Move Folder” prompts, modals, and tooltips.  
+- Minor UI consistency tweaks: button alignment, focus states, reduced-motion support.  
+
+---
+
+## Changes 10/24/2025 (v1.6.6)
+
+release(v1.6.6): header-mounted toggle, dark-mode polish, persistent layout, and ACL fix
+
+- dragAndDrop: mount zones toggle beside header logo (absolute, non-scrolling);
+  stop click propagation so it doesn’t trigger the logo link; theme-aware styling
+  - live updates via MutationObserver; snapshot card locations on drop and restore
+  on load (prevents sidebar reset); guard first-run defaults with
+  `layoutDefaultApplied_v1`; small/medium layout tweaks & refactors.
+- CSS: switch toggle icon to CSS variable (`--toggle-icon-color`) with dark-mode
+  override; remove hardcoded `!important`.
+- API (capabilities.php): remove unused `disableUpload` flag from `canUpload`
+  and flags payload to resolve undefined variable warning.
+
+---
+
+## Changes 10/24/2025 (v1.6.5)
+
+release(v1.6.5): fix PHP warning and upload-flag check in capabilities.php
+
+- Fix undefined variable: use $disableUpload consistently
+- Harden flag read: (bool)($perms['disableUpload'] ?? false)
+- Prevents warning and ensures Upload capability is computed correctly
+
+---
+
+## Changes 10/24/2025 (v1.6.4)
+
+release(v1.6.4): runtime version injection + CI bump/sync; caching tweaks
+
+- Add public/js/version.js (default "dev") and load it before main.js.
+- adminPanel.js: replace hard-coded string with `window.APP_VERSION || "dev"`.
+- public/.htaccess: add no-cache for js/version.js
+- GitHub Actions: replace sync job with “Bump version and sync Changelog to Docker Repo”.
+  - Parse commit msg `release(vX.Y.Z)` -> set step output `version`.
+  - Write `public/js/version.js` with `window.APP_VERSION = '<version>'`.
+  - Commit/push version.js if changed.
+  - Mirror CHANGELOG.md to filerise-docker and write a VERSION file with `<version>`.
+  - Guard all steps with `if: steps.ver.outputs.version != ''` to no-op on non-release commits.
+
+This wires the UI version label to CI, keeps dev builds showing “dev”, and feeds the Docker repo with CHANGELOG + VERSION for builds.
+
+---
+
+## Changes 10/24/2025 (v1.6.3)
+
+release(v1.6.3): drag/drop card persistence, admin UX fixes, and docs (closes #58)
+
+Drag & Drop - Upload/Folder Management Cards layout
+
+- Persist panel locations across refresh; snapshot + restore when collapsing/expanding.
+- Unified “zones” toggle; header-icon mode no longer loses card state.
+- Responsive: auto-move sidebar cards to top on small screens; restore on resize.
+- Better top-zone placeholder/cleanup during drag; tighter header modal sizing.
+- Safer order saving + deterministic placement for upload/folder cards.
+
+Admin Panel – Folder Access
+
+- Fix: newly created folders now appear without a full page refresh (cache-busted `getFolderList`).
+- Show admin users in the list with full access pre-applied and inputs disabled (read-only).
+- Skip sending updates for admins when saving grants.
+- “Folder” column now has its own horizontal scrollbar so long names / “Inherited from …” are never cut off.
+
+Admin Panel – User Permissions (flags)
+
+- Show admins (marked as Admin) with all switches disabled; exclude from save payload.
+- Clarified helper text (account-level vs per-folder).
+
+UI/Styling
+
+- Added `.folder-cell` scroller in ACL table; improved dark-mode scrollbar/thumb.
+
+Docs
+
+- README edits:
+  - Clarified PUID/PGID mapping and host/NAS ownership requirements for mounted volumes.
+  - Environment variables section added
+  - CHOWN_ON_START additional details
+  - Admin details
+  - Upgrade section added
+  - 💖 Sponsor FileRise section added
+
+---
+
+## Changes 10/23/2025 (v1.6.2)
+
+feat(i18n,auth): add Simplified Chinese (zh-CN) and expose in User Panel
+
+- Add zh-CN locale to i18n.js with full key set.
+- Introduce chinese_simplified label key across locales.
+- Added some missing labels
+- Update language selector mapping to include zh-CN (English/Spanish/French/German/简体中文).
+- Wire zh-CN into Auth/User Panel (authModals) language dropdown.
+- Fallback-safe rendering for language names when a key is missing.
+
+ui: fix “Change Password” button sizing in User Panel
+
+- Keep consistent padding and font size for cleaner layout
+
+---
+
+## Changes 10/23/2025 (v1.6.1)
+
+feat(ui): unified zone toggle + polished interactions for sidebar/top cards
+
+- Add floating toggle button styling (hover lift, press, focus ring, ripple)
+  for #zonesToggleFloating and #sidebarToggleFloating (CSS).
+- Ensure icons are visible and centered; enforce consistent sizing/color.
+- Introduce unified “zones collapsed” state persisted via `localStorage.zonesCollapsed`.
+- Update dragAndDrop.js to:
+  - manage a single floating toggle for both Sidebar and Top Zone
+  - keep toggle visible when cards are in Top Zone; hide only when both cards are in Header
+  - rotate icon 90° when both cards are in Top Zone and panels are open
+  - respect collapsed state during DnD flows and on load
+  - preserve original DnD behaviors and saved orders (sidebar/header)
+- Minor layout/visibility fixes during drag (clear temp heights; honor collapsed).
+
+Notes:
+
+- No breaking API changes; existing `sidebarOrder` / `headerOrder` continue to work.
+- New key: `zonesCollapsed` (string '0'/'1') controls visibility of Sidebar + Top Zone.
+
+UX:
+
+- Floating toggle feels more “material”: subtle hover elevation, press feedback,
+  focus ring, and click ripple to restore the prior interactive feel.
+- Icons remain legible on white (explicit color set), centered in the circular button.
+
+---
+
+## Changes 10/22/2025 (v1.6.0)
+
+feat(acl): granular per-folder permissions + stricter gates; WebDAV & UI aligned
+
+- Add granular ACL buckets: create, upload, edit, rename, copy, move, delete, extract, share_file, share_folder
+- Implement ACL::canX helpers and expand upsert/explicit APIs (preserve read_own)
+- Enforce “write no longer implies read” in canRead; use granular gates for write-ish ops
+- WebDAV: use canDelete for DELETE, canUpload/canEdit + disableUpload for PUT; enforce ownership on overwrite
+- Folder create: require Manage/Owner on parent; normalize paths; seed ACL; rollback on failure
+- FileController: refactor copy/move/rename/delete/extract to granular gates + folder-scope checks + own-only ownership enforcement
+- Capabilities API: compute effective actions with scope + readOnly/disableUpload; protect root
+- Admin Panel (v1.6.0): new Folder Access editor with granular caps, inheritance hints, bulk toggles, and UX validations
+- getFileList: keep root visible but inert for users without visibility; apply own-only filtering server-side
+- Bump version to v1.6.0
+
+---
+
 ## Changes 10/20/2025 (v1.5.3)
 
 security(acl): enforce folder-scope & own-only; fix file list “Select All”; harden ops
@@ -36,6 +543,17 @@ feat(dnd): default cards to sidebar on medium screens when no saved layout
 - Preserves existing sidebarOrder/headerOrder and small-screen behavior
 - Keeps user changes persistent; no override once a layout exists
 
+feat(editor): make modal non-blocking; add SRI + timeout for CodeMirror mode loads
+
+- Build the editor modal immediately and wire close (✖, Close button, and Esc) before any async work, so the UI is always dismissible.
+- Restore MODE_URL and add normalizeModeName() to resolve aliases (text/html → htmlmixed, php → application/x-httpd-php).
+- Add SRI for each lazily loaded mode (MODE_SRI) and apply integrity/crossOrigin on script tags; switch to async and improved error messages.
+- Introduce MODE_LOAD_TIMEOUT_MS=2500 and Promise.race() to init in text/plain if a mode is slow; auto-upgrade to the real mode once it arrives.
+- Graceful fallback: if CodeMirror core isn’t present, keep textarea, enable Save, and proceed.
+- Minor UX: disable Save until the editor is ready, support theme toggling, better resize handling, and font size controls without blocking.
+
+Security: Locks CDN mode scripts with SRI.
+
 ---
 
 ## Changes 10/19/2025 (v1.5.2)

README.md

@@ -7,17 +7,25 @@
 [![Demo](https://img.shields.io/badge/demo-live-brightgreen)](https://demo.filerise.net)
 [![Release](https://img.shields.io/github/v/release/error311/FileRise?include_prereleases&sort=semver)](https://github.com/error311/FileRise/releases)
 [![License](https://img.shields.io/github/license/error311/FileRise)](LICENSE)
+[![Sponsor on GitHub](https://img.shields.io/badge/Sponsor-❤-red)](https://github.com/sponsors/error311)
+[![Support on Ko-fi](https://img.shields.io/badge/Ko--fi-Buy%20me%20a%20coffee-orange)](https://ko-fi.com/error311)
 
 **Quick links:** [Demo](#live-demo) • [Install](#installation--setup) • [Docker](#1-running-with-docker-recommended) • [Unraid](#unraid) • [WebDAV](#quick-start-mount-via-webdav) • [FAQ](#faq--troubleshooting)
 
-**Elevate your File Management** – A modern, self-hosted web file manager.
-Upload, organize, and share files or folders through a sleek web interface. **FileRise** is lightweight yet powerful: think of it as your personal cloud drive that you control. With drag-and-drop uploads, in-browser editing, secure user logins (with SSO and 2FA support), and one-click sharing, **FileRise** makes file management on your server a breeze.
+**Elevate your File Management** – A modern, self-hosted web file manager.  
+Upload, organize, and share files or folders through a sleek, responsive web interface.  
+**FileRise** is lightweight yet powerful — your personal cloud drive that you fully control.  
+
+Now featuring **Granular Access Control (ACL)** with per-folder permissions, inheritance, and live admin editing.  
+Grant precise capabilities like *view*, *upload*, *rename*, *delete*, or *manage* on a per-user, per-folder basis — enforced across the UI, API, and WebDAV.  
+
+With drag-and-drop uploads, in-browser editing, secure user logins (SSO & TOTP 2FA), and one-click public sharing, **FileRise** brings professional-grade file management to your own server — simple to deploy, easy to scale, and fully self-hosted.
 
 > ⚠️ **Security fix in v1.5.0** — ACL hardening. If you’re on ≤1.4.x, please upgrade.
 
-**4/3/2025 Video demo:**
+**10/25/2025 Video demo:**
 
-<https://github.com/user-attachments/assets/221f6a53-85f5-48d4-9abe-89445e0af90e>
+<https://github.com/user-attachments/assets/a2240300-6348-4de7-b72f-1b85b7da3a08>
 
 **Dark mode:**
 ![Dark Header](https://raw.githubusercontent.com/error311/FileRise/refs/heads/master/resources/dark-header.png)
@@ -26,33 +34,57 @@ Upload, organize, and share files or folders through a sleek web interface. **Fi
 
 ## Features at a Glance or [Full Features Wiki](https://github.com/error311/FileRise/wiki/Features)
 
-- 🚀 **Easy File Uploads:** Upload multiple files and folders via drag & drop or file picker. Supports large files with pause/resumable chunked uploads and shows real-time progress for each file. FileRise will pick up where it left off if your connection drops.
+- 🚀 **Easy File Uploads:** Upload multiple files and folders via drag & drop or file picker. Supports large files with resumable chunked uploads, pause/resume, and real-time progress. If your connection drops, FileRise resumes automatically.
 
-- 🗂️ **File Management:** Full set of file/folder operations – move or copy files (via intuitive drag-drop or dialogs), rename items, and delete in batches. You can download selected files as a ZIP archive or extract uploaded ZIP files server-side. Organize content with an interactive folder tree and breadcrumb navigation for quick jumps.
+- 🗂️ **File Management:** Full suite of operations — move/copy (via drag-drop or dialogs), rename, and batch delete. Download selected files as ZIPs or extract uploaded ZIPs server-side. Organize with an interactive folder tree and breadcrumbs for instant navigation.
 
-- 🗃️ **Folder Sharing & File Sharing:** Share entire folders via secure, expiring public links. Folder shares can be password-protected, and shared folders support file uploads from outside users with a separate, secure upload mechanism. Folder listings are paginated (10 items/page); file sizes are displayed in MB. Share individual files with one-time or expiring links (optional password protection).
+- 🗃️ **Folder & File Sharing:** Share folders or individual files with expiring, optionally password-protected links. Shared folders can accept external uploads (if enabled). Listings are paginated (10 items/page) with file sizes shown in MB.
 
-- 🔐 **Fine-grained Access Control (ACL):** Per-folder grants for **owners**, **read** (view all), **read_own** (own-only visibility), **write** (upload/edit), and **share**.  
-  - _Note:_ **write no longer implies read**. Grant **read** if uploaders should see all files; or **read_own** for self-only listings.  
-  - Enforced server-side across UI, API, and WebDAV. Includes an admin UI for bulk editing (atomic updates) and safe defaults.
+- 🔐 **Granular Access Control (ACL):**  
+  Per-folder permissions for **owners**, **view**, **view (own)**, **write**, **manage**, **share**, and extended granular capabilities.  
+  Each grant controls specific actions across the UI, API, and WebDAV:
 
-- 🔌 **WebDAV Support (ACL-aware):** Mount FileRise as a network drive **or use it headless from the CLI**. Standard WebDAV ops (upload / download / delete) work in Cyberduck, WinSCP, GNOME Files, Finder, etc., and you can script with `curl`. Listings require **read**; users with **read_own** only see their own files; writes require **write**.
+  | Permission | Description |
+  |-------------|-------------|
+  | **Manage (Owner)** | Full control of folder and subfolders. Can edit ACLs, rename/delete/create folders, and share items. Implies all other permissions for that folder and below. |
+  | **View (All)** | Allows viewing all files within the folder. Required for folder-level sharing. |
+  | **View (Own)** | Restricts visibility to files uploaded by the user only. Ideal for drop zones or limited-access users. |
+  | **Write** | Grants general write access — enables renaming, editing, moving, copying, deleting, and extracting files. |
+  | **Create** | Allows creating subfolders. Automatically granted to *Manage* users. |
+  | **Upload** | Allows uploading new files without granting full write privileges. |
+  | **Edit / Rename / Copy / Move / Delete / Extract** | Individually toggleable granular file operations. |
+  | **Share File / Share Folder** | Controls sharing capabilities. Folder shares require full View (All). |
 
-- 📚 **API Documentation:** Auto-generated OpenAPI spec (`openapi.json`) and interactive HTML docs (`api.html`) powered by Redoc.
+  - **Automatic Propagation:** Enabling **Manage** on a folder applies to all subfolders; deselecting subfolder permissions overrides inheritance in the UI.
 
-- 📝 **Built-in Editor & Preview:** View images, videos, audio, and PDFs inline with a preview modal. Edit text/code files in your browser with a CodeMirror-based editor with syntax highlighting and line numbers.
+  ACL enforcement is centralized and atomic across:
+  - **Admin Panel:** Interactive ACL editor with batch save and dynamic inheritance visualization.  
+  - **API Endpoints:** All file/folder operations validate server-side.  
+  - **WebDAV:** Uses the same ACL engine — View / Own determine listings, granular permissions control upload/edit/delete/create.
 
-- 🏷️ **Tags & Search:** Categorize your files with color-coded tags and locate them instantly using indexed real-time search. **Advanced Search** adds fuzzy matching across file names, tags, uploader fields, and within text file contents.
+- 🔌 **WebDAV (ACL-Aware):** Mount FileRise as a drive (Cyberduck, WinSCP, Finder, etc.) or access via `curl`.  
+  - Listings require **View** or **View (Own)**.  
+  - Uploads require **Upload**.  
+  - Overwrites require **Edit**.  
+  - Deletes require **Delete**.  
+  - Creating folders requires **Create** or **Manage**.  
+  - All ACLs and ownership rules are enforced exactly as in the web UI.
 
-- 🔒 **Auth & SSO:** Username/password login, optional TOTP 2FA, and OIDC (Google/Authentik/Keycloak). Per-user flags like **readOnly**/**disableUpload** still supported, but folder access is governed by the ACL above.
+- 📚 **API Documentation:** Auto-generated OpenAPI spec (`openapi.json`) with interactive HTML docs (`api.html`) via Redoc.
 
-- 🗑️ **Trash & Recovery:** Deleted items go to Trash first; **admins** can restore or empty. Old trash entries auto-purge (default 3 days).
+- 📝 **Built-in Editor & Preview:** Inline preview for images, video, audio, and PDFs. CodeMirror-based editor for text/code with syntax highlighting and line numbers.
 
-- 🎨 **Responsive UI (Dark/Light Mode):** Mobile-friendly layout with theme toggle. The interface remembers your preferences (layout, items per page, last visited folder, etc.).
+- 🏷️ **Tags & Search:** Add color-coded tags and search by name, tag, uploader, or content. Advanced fuzzy search indexes metadata and file contents.
 
-- 🌐 **Internationalization & Localization:** Switch languages via the UI (English, Spanish, French, German). Contributions welcome.
+- 🔒 **Authentication & SSO:** Username/password, optional TOTP 2FA, and OIDC (Google, Authentik, Keycloak).
 
-- ⚙️ **Lightweight & Self-Contained:** Runs on PHP **8.3+** with no external database. Single-folder install or Docker image. Low footprint; scales to thousands of files with pagination and sorting.
+- 🗑️ **Trash & Recovery:** Deleted items move to Trash for recovery (default 3-day retention). Admins can restore or purge globally.
+
+- 🎨 **Responsive UI (Dark/Light Mode):** Modern, mobile-friendly design with persistent preferences (theme, layout, last folder, etc.).
+
+- 🌐 **Internationalization:** English, Spanish, French, German & Simplified Chinese available. Community translations welcome.
+
+- ⚙️ **Lightweight & Self-Contained:** Runs on PHP 8.3+, no external DB required. Single-folder or Docker deployment with minimal footprint, optimized for Unraid and self-hosting.
 
 (For full features and changelogs, see the [Wiki](https://github.com/error311/FileRise/wiki), [CHANGELOG](https://github.com/error311/FileRise/blob/master/CHANGELOG.md) or [Releases](https://github.com/error311/FileRise/releases).)
 
@@ -73,6 +105,22 @@ Deploy FileRise using the **Docker image** (quickest) or a **manual install** on
 
 ---
 
+### Environment variables
+
+| Variable | Default | Purpose |
+|---|---|---|
+| `TIMEZONE` | `UTC` | PHP/app timezone. |
+| `DATE_TIME_FORMAT` | `m/d/y  h:iA` | Display format used in UI. |
+| `TOTAL_UPLOAD_SIZE` | `5G` | Max combined upload per request (resumable). |
+| `SECURE` | `false` | Set `true` if served behind HTTPS proxy (affects link generation). |
+| `PERSISTENT_TOKENS_KEY` | *(required)* | Secret for “Remember Me” tokens. Change from the example! |
+| `PUID` / `PGID` | `1000` / `1000` | Map `www-data` to host uid:gid (Unraid: often `99:100`). |
+| `CHOWN_ON_START` | `true` | First run: try to chown mounted dirs to PUID:PGID. |
+| `SCAN_ON_START` | `true` | Reindex files added outside UI at boot. |
+| `SHARE_URL` | *(blank)* | Override base URL for share links; blank = auto-detect. |
+
+---
+
 ### 1) Running with Docker (Recommended)
 
 #### Pull the image
@@ -91,7 +139,7 @@ docker run -d \
   -e DATE_TIME_FORMAT="m/d/y  h:iA" \
   -e TOTAL_UPLOAD_SIZE="5G" \
   -e SECURE="false" \
-  -e PERSISTENT_TOKENS_KEY="please_change_this_@@" \
+  -e PERSISTENT_TOKENS_KEY="default_please_change_this_key" \
   -e PUID="1000" \
   -e PGID="1000" \
   -e CHOWN_ON_START="true" \
@@ -103,6 +151,8 @@ docker run -d \
   error311/filerise-docker:latest
 ```
 
+The app runs as www-data mapped to PUID/PGID. Ensure your mounted uploads/, users/, metadata/ are owned by PUID:PGID (e.g., chown -R 1000:1000 …), or set PUID/PGID to match existing host ownership (e.g., 99:100 on Unraid). On NAS/NFS, apply the ownership change on the host/NAS.
+
 This starts FileRise on port **8080** → visit `http://your-server-ip:8080`.
 
 **Notes**  
@@ -125,10 +175,10 @@ docker exec -it filerise id www-data
 Save as `docker-compose.yml`, then `docker-compose up -d`:
 
 ```yaml
-version: "3"
 services:
   filerise:
     image: error311/filerise-docker:latest
+    container_name: filerise
     ports:
       - "8080:80"
     environment:
@@ -136,7 +186,7 @@ services:
       DATE_TIME_FORMAT: "m/d/y  h:iA"
       TOTAL_UPLOAD_SIZE: "10G"
       SECURE: "false"
-      PERSISTENT_TOKENS_KEY: "please_change_this_@@"
+      PERSISTENT_TOKENS_KEY: "default_please_change_this_key"
       # Ownership & indexing
       PUID: "1000"              # Unraid users often use 99
       PGID: "1000"              # Unraid users often use 100
@@ -148,11 +198,14 @@ services:
       - ./uploads:/var/www/uploads
       - ./users:/var/www/users
       - ./metadata:/var/www/metadata
+    restart: unless-stopped
 ```
 
 Access at `http://localhost:8080` (or your server’s IP).  
 The example sets a custom `PERSISTENT_TOKENS_KEY`—change it to a strong random string.
 
+- “`CHOWN_ON_START=true` attempts to align ownership **inside the container**; if the host/NAS disallows changes, set the correct UID/GID on the host.”
+
 **First-time Setup**  
 On first launch, if no users exist, you’ll be prompted to create an **Admin account**. Then use **User Management** to add more users.
 
@@ -217,6 +270,13 @@ Browse to your FileRise URL; you’ll be prompted to create the Admin user on fi
 
 ---
 
+### 3) Admins
+
+> **Admins in ACL UI**
+> Admin accounts appear in the Folder Access and User Permissions modals as **read-only** with full access implied. This is by design—admins always have full control and are excluded from save payloads.
+
+---
+
 ## Unraid
 
 - Install from **Community Apps** → search **FileRise**.  
@@ -226,6 +286,16 @@ Browse to your FileRise URL; you’ll be prompted to create the Admin user on fi
 
 ---
 
+## Upgrade
+
+```bash
+docker pull error311/filerise-docker:latest
+docker stop filerise && docker rm filerise
+# re-run with the same -v and -e flags you used originally
+```
+
+---
+
 ## Quick-start: Mount via WebDAV
 
 Once FileRise is running, enable WebDAV in the admin panel.
@@ -306,6 +376,17 @@ If you like FileRise, a ⭐ star on GitHub is much appreciated!
 
 ---
 
+## 💖 Sponsor FileRise
+
+If FileRise saves you time (or sparks joy 😄), please consider supporting ongoing development:
+
+- ❤️ [**GitHub Sponsors:**](https://github.com/sponsors/error311) recurring or one-time - helps fund new features and docs.
+- ☕ [**Ko-fi:**](https://ko-fi.com/error311) buy me a coffee.
+
+Every bit helps me keep FileRise fast, polished, and well-maintained. Thank you!
+
+---
+
 ## Community and Support
 
 - **Reddit:** [r/selfhosted: FileRise Discussion](https://www.reddit.com/r/selfhosted/comments/1kfxo9y/filerise_v131_major_updates_sneak_peek_at_whats/) – (Announcement and user feedback thread).
@@ -343,6 +424,10 @@ If you like FileRise, a ⭐ star on GitHub is much appreciated!
 
 ---
 
-## License
+## License & Credits
 
 MIT License – see [LICENSE](LICENSE).
+This project bundles third-party assets such as Bootstrap, CodeMirror, DOMPurify, Fuse.js, Resumable.js, and Google Fonts (Roboto, Material Icons).
+All third-party code and fonts remain under their original open-source licenses (MIT or Apache 2.0).
+
+See THIRD_PARTY.md and the /licenses directory for full license texts and attributions.

THIRD_PARTY.md

@@ -0,0 +1,47 @@
+# Third-Party Notices
+
+FileRise bundles the following third‑party assets. Each item lists the project, version, typical on-disk location in this repo, and its license.
+
+If you believe any attribution is missing or incorrect, please open an issue.
+
+---
+
+## Fonts
+
+- **Roboto (wght 400/500)** — Google Fonts  
+  **License:** Apache License 2.0  
+  **Files:** `public/css/vendor/roboto.css`, `public/fonts/roboto/*.woff2`
+
+- **Material Icons (ligature font)** — Google Fonts  
+  **License:** Apache License 2.0  
+  **Files:** `public/css/vendor/material-icons.css`, `public/fonts/material-icons/*.woff2`
+
+> Google fonts/icons © Google. Licensed under Apache 2.0. See `licenses/apache-2.0.txt`.
+
+---
+
+## CSS / JS Libraries (vendored)
+
+- **Bootstrap 4.5.2** — MIT License  
+  **Files:** `public/vendor/bootstrap/4.5.2/bootstrap.min.css`
+
+- **CodeMirror 5.65.5** — MIT License  
+  **Files:** `public/vendor/codemirror/5.65.5/*`
+
+- **DOMPurify 2.4.0** — Apache License 2.0  
+  **Files:** `public/vendor/dompurify/2.4.0/purify.min.js`
+
+- **Fuse.js 6.6.2** — Apache License 2.0  
+  **Files:** `public/vendor/fuse/6.6.2/fuse.min.js`
+
+- **Resumable.js 1.1.0** — MIT License  
+  **Files:** `public/vendor/resumable/1.1.0/resumable.min.js`
+
+- **ReDoc (redoc.standalone.js)** — MIT License  
+  **Files:** `public/vendor/redoc/redoc.standalone.js`  
+  **Notes:** Self-hosted to comply with `script-src 'self'` CSP.
+
+> MIT-licensed code: see `licenses/mit.txt`.  
+> Apache-2.0–licensed code: see `licenses/apache-2.0.txt`.
+
+---

codeql-config.yml

@@ -0,0 +1,12 @@
+---
+name: FileRise CodeQL config
+paths:
+  - public/js
+  - api
+paths-ignore:
+  - public/vendor/**
+  - public/css/vendor/**
+  - public/fonts/**
+  - public/**/*.min.js
+  - public/**/*.min.css
+  - public/**/*.map

config/config.php

@@ -1,22 +1,6 @@
 <?php
 // config.php
 
-// Prevent caching
-header("Cache-Control: no-cache, must-revalidate");
-header("Pragma: no-cache");
-header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
-header("Expires: 0");
-
-// Security headers
-header('X-Content-Type-Options: nosniff');
-header("X-Frame-Options: SAMEORIGIN");
-header("Referrer-Policy: no-referrer-when-downgrade");
-header("Permissions-Policy: geolocation=(), microphone=(), camera=()");
-header("X-XSS-Protection: 1; mode=block");
-if (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') {
-    header("Strict-Transport-Security: max-age=31536000; includeSubDomains; preload");
-}
-
 // Define constants
 define('PROJECT_ROOT', dirname(__DIR__));
 define('UPLOAD_DIR',    '/var/www/uploads/');
@@ -40,6 +24,7 @@ if (!defined('DEFAULT_CAN_SHARE'))        define('DEFAULT_CAN_SHARE', true);
 if (!defined('DEFAULT_CAN_ZIP'))          define('DEFAULT_CAN_ZIP', true);
 if (!defined('DEFAULT_VIEW_OWN_ONLY'))    define('DEFAULT_VIEW_OWN_ONLY', false);
 define('FOLDER_OWNERS_FILE', META_DIR . 'folder_owners.json');
+define('ACL_INHERIT_ON_CREATE', true);
 
 // Encryption helpers
 function encryptData($data, $encryptionKey)

licenses/NOTICE_GOOGLE_FONTS.txt

@@ -0,0 +1,5 @@
+Google Fonts & Icons NOTICE
+
+This product bundles font files from Google Fonts (Roboto, Material Icons, and/or Material Symbols).
+Copyright 2012–present Google Inc. All Rights Reserved.
+Licensed under the Apache License, Version 2.0 (see ../apache-2.0.txt).

licenses/apache-2.0.txt

@@ -0,0 +1,202 @@
+
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+
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+
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+
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+
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licenses/mit.txt

@@ -0,0 +1,19 @@
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

public/.htaccess

@@ -1,75 +1,109 @@
-# -----------------------------
-# 1) Prevent directory listings
-# -----------------------------
+# --------------------------------
+# Base: safe in most environments
+# --------------------------------
 Options -Indexes
-
-# -----------------------------
-# Default index files
-# -----------------------------
 DirectoryIndex index.html
 
-# -----------------------------
-# Deny access to hidden files
-# -----------------------------
-<FilesMatch "^\.">
-  Require all denied
-</FilesMatch>
+<IfModule mod_authz_core.c>
+  <FilesMatch "^\.">
+    Require all denied
+  </FilesMatch>
+</IfModule>
 
-# -----------------------------
-# Enforce HTTPS (optional)
-# -----------------------------
 RewriteEngine On
+# Never redirect local/dev hosts
+RewriteCond %{HTTP_HOST} ^(localhost|127\.0\.0\.1|fr\.local|192\.168\.[0-9]+\.[0-9]+)$ [NC]
+RewriteRule ^ - [L]
+
+# --- HTTPS redirect ---
+# Use ONE of these blocks.
+
+# A) Direct TLS on this server (enable this if Apache terminates HTTPS here)
 #RewriteCond %{HTTPS} off
 #RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
 
-<IfModule mod_headers.c>
-    # Allow requests from a specific origin
-    #Header set Access-Control-Allow-Origin "https://demo.filerise.net"
-    Header set Access-Control-Allow-Methods "GET, POST, OPTIONS"
-    Header set Access-Control-Allow-Headers "Content-Type, Authorization, X-Requested-With, X-CSRF-Token"
-    Header set Access-Control-Allow-Credentials "true"
+# B) Behind a reverse proxy/CDN that sets X-Forwarded-Proto
+#RewriteCond %{HTTP:X-Forwarded-Proto} =http [OR]
+#RewriteCond %{HTTP:X-Forwarded-Proto} ^$
+#RewriteCond %{HTTPS} !=on
+#RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
+
+# Don't interfere with ACME/http-01 if you do your own certs
+#RewriteCond %{REQUEST_URI} ^/.well-known/acme-challenge/
+#RewriteRule - - [L]
+
+# --- MIME types (fonts/SVG/ESM) ---
+<IfModule mod_mime.c>
+  AddType font/woff2 .woff2
+  AddType font/woff  .woff
+  AddType image/svg+xml .svg
+  AddType application/javascript .mjs
 </IfModule>
 
+# --- Security headers ---
 <IfModule mod_headers.c>
-  # Prevent clickjacking
   Header always set X-Frame-Options "SAMEORIGIN"
-  # Block XSS
   Header always set X-XSS-Protection "1; mode=block"
-  # No MIME sniffing
   Header always set X-Content-Type-Options "nosniff"
+  Header always set Referrer-Policy "strict-origin-when-cross-origin"
+  Header always set Permissions-Policy "geolocation=(), microphone=(), camera=()"
+  Header always set X-Download-Options "noopen"
+  Header always set Expect-CT "max-age=86400, enforce"
+  Header always set Cross-Origin-Resource-Policy "same-origin"
+  Header always set X-Permitted-Cross-Domain-Policies "none"
+  # HSTS only when actually on HTTPS
+  Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" "expr=%{HTTPS} == 'on'"
+
+  # CSP (modules, blobs, workers, etc.)
+  Header always set Content-Security-Policy "default-src 'self'; base-uri 'self'; frame-ancestors 'self'; object-src 'none'; script-src 'self' 'sha256-ajmGY+5VJOY6+8JHgzCqsqI8w9dCQfAmqIkFesOKItM='; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self'; connect-src 'self'; media-src 'self' blob:; worker-src 'self' blob:; form-action 'self'"
 </IfModule>
 
+# --- Caching (query-string based, no env vars needed) ---
 <IfModule mod_headers.c>
-  # HTML: always revalidate
-  <FilesMatch "\.(html|htm)$">
+  # HTML/PHP: no cache (only if PHP didn’t already set it)
+  <FilesMatch "\.(html?|php)$">
+    Header setifempty Cache-Control "no-cache, no-store, must-revalidate"
+    Header setifempty Pragma "no-cache"
+    Header setifempty Expires "0"
+  </FilesMatch>
+
+  # version.js: always non-cacheable
+  <FilesMatch "^js/version\.js$">
     Header set Cache-Control "no-cache, no-store, must-revalidate"
     Header set Pragma "no-cache"
     Header set Expires "0"
   </FilesMatch>
-  # JS/CSS: short‑term cache, revalidate regularly
-  <FilesMatch "\.(js|css)$">
-    Header set Cache-Control "public, max-age=3600, must-revalidate"
+
+  # Unversioned JS/CSS: 1 hour
+  <FilesMatch "\.(?:m?js|css)$">
+    Header set Cache-Control "public, max-age=3600, must-revalidate" "expr=%{QUERY_STRING} !~ /(^|&)v=/"
   </FilesMatch>
+
+  # Unversioned static (images/fonts): 7 days
+  <FilesMatch "\.(?:png|jpe?g|gif|webp|svg|ico|woff2?|ttf|otf)$">
+    Header set Cache-Control "public, max-age=604800" "expr=%{QUERY_STRING} !~ /(^|&)v=/"
+  </FilesMatch>
+
+  # --- Versioned assets (?v=...) : 1 year + immutable (override anything else) ---
+  <IfModule mod_headers.c>
+    <FilesMatch "\.(?:m?js|css|png|jpe?g|gif|webp|svg|ico|woff2?|ttf|otf)$">
+      # Only when query string has v=
+      Header unset Cache-Control "expr=%{QUERY_STRING} =~ /(^|&)v=/"
+      Header unset Expires       "expr=%{QUERY_STRING} =~ /(^|&)v=/"
+      Header set Cache-Control "public, max-age=31536000, s-maxage=31536000, immutable" "expr=%{QUERY_STRING} =~ /(^|&)v=/"
+    </FilesMatch>
+  </IfModule>
 </IfModule>
 
-# -----------------------------
-# Additional Security Headers
-# -----------------------------
-<IfModule mod_headers.c>
-    # Enforce HTTPS for a year with subdomains and preload option.
-    Header always set Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
-    # Set a Referrer Policy.
-    Header always set Referrer-Policy "strict-origin-when-cross-origin"
-    # Permissions Policy: disable features you don't need.
-    Header always set Permissions-Policy "geolocation=(), microphone=(), camera=()"
-    # IE-specific header to prevent downloads from opening in IE.
-    Header always set X-Download-Options "noopen"
-    # Expect-CT header for Certificate Transparency (optional).
-    Header always set Expect-CT "max-age=86400, enforce"
+# --- Compression ---
+<IfModule mod_brotli.c>
+  BrotliCompressionQuality 5
+  AddOutputFilterByType BROTLI_COMPRESS text/html text/css application/javascript application/json image/svg+xml
+</IfModule>
+<IfModule mod_deflate.c>
+  AddOutputFilterByType DEFLATE text/html text/css application/javascript application/json image/svg+xml
 </IfModule>
 
-# -----------------------------
-# Disable TRACE method
-# -----------------------------
+# --- Disable TRACE ---
 RewriteCond %{REQUEST_METHOD} ^TRACE
 RewriteRule .* - [F]

public/api.php

@@ -19,13 +19,11 @@ if (isset($_GET['spec'])) {
   <meta charset="utf-8"/>
   <meta name="viewport" content="width=device-width, initial-scale=1"/>
   <title>FileRise API Docs</title>
-  <script defer src="https://cdn.redoc.ly/redoc/latest/bundles/redoc.standalone.js"
-          integrity="sha384-70P5pmIdaQdVbxvjhrcTDv1uKcKqalZ3OHi7S2J+uzDl0PW8dO6L+pHOpm9EEjGJ"
-          crossorigin="anonymous"></script>
-  <script defer src="/js/redoc-init.js"></script>
+  <script defer src="/vendor/redoc/redoc.standalone.js?v={{APP_QVER}}"></script>
+  <script defer src="/js/redoc-init.js?v={{APP_QVER}}"></script>
 </head>
 <body>
-  <redoc spec-url="api.php?spec=1"></redoc>
+  <redoc spec-url="/api.php?spec=1"></redoc>
   <div id="redoc-container"></div>
 </body>
 </html>

public/api/admin/acl/getGrants.php

@@ -1,28 +1,5 @@
 <?php
 // public/api/admin/acl/getGrants.php
-
-/**
- * @OA\Get(
- *   path="/api/admin/acl/getGrants.php",
- *   summary="Get ACL grants for a user",
- *   tags={"Admin","ACL"},
- *   security={{"cookieAuth":{}}},
- *   @OA\Parameter(name="user", in="query", required=true, @OA\Schema(type="string")),
- *   @OA\Response(
- *     response=200,
- *     description="Map of folder → grant flags",
- *     @OA\JsonContent(
- *       type="object",
- *       required={"grants"},
- *       @OA\Property(property="grants", ref="#/components/schemas/GrantsMap")
- *     )
- *   ),
- *   @OA\Response(response=400, description="Invalid user"),
- *   @OA\Response(response=401, description="Unauthorized")
- * )
- */
-
-
 declare(strict_types=1);
 
 require_once __DIR__ . '/../../../../config/config.php';
@@ -32,7 +9,6 @@ require_once PROJECT_ROOT . '/src/models/FolderModel.php';
 if (session_status() !== PHP_SESSION_ACTIVE) session_start();
 header('Content-Type: application/json');
 
-// Admin only
 if (empty($_SESSION['authenticated']) || empty($_SESSION['isAdmin'])) {
   http_response_code(401); echo json_encode(['error'=>'Unauthorized']); exit;
 }
@@ -55,7 +31,7 @@ try {
 } catch (Throwable $e) { /* ignore */ }
 
 if (empty($folders)) {
-  $aclPath = META_DIR . 'folder_acl.json';
+  $aclPath = rtrim(META_DIR, "/\\") . DIRECTORY_SEPARATOR . 'folder_acl.json';
   if (is_file($aclPath)) {
     $data = json_decode((string)@file_get_contents($aclPath), true);
     if (is_array($data['folders'] ?? null)) {
@@ -74,29 +50,36 @@ $has = function(array $arr, string $u): bool {
 
 $out = [];
 foreach ($folderList as $f) {
-  $rec = ACL::explicit($f); // owners, read, write, share, read_own
+  $rec = ACL::explicitAll($f); // legacy + granular
 
-  $isOwner   = $has($rec['owners'],   $user);
-  $canUpload = $isOwner || $has($rec['write'], $user);
-
-  // IMPORTANT: full view only if owner or explicit read
+  $isOwner    = $has($rec['owners'], $user);
   $canViewAll = $isOwner || $has($rec['read'], $user);
-
-  // own-only view reflects explicit read_own (we keep it separate even if they have full view)
   $canViewOwn = $has($rec['read_own'], $user);
+  $canShare   = $isOwner || $has($rec['share'], $user);
+  $canUpload  = $isOwner || $has($rec['write'], $user) || $has($rec['upload'], $user);
 
-  // Share only if owner or explicit share
-  $canShare = $isOwner || $has($rec['share'], $user);
-
-  if ($canViewAll || $canViewOwn || $canUpload || $isOwner || $canShare) {
+  if ($canViewAll || $canViewOwn || $canUpload || $canShare || $isOwner
+      || $has($rec['create'],$user) || $has($rec['edit'],$user) || $has($rec['rename'],$user)
+      || $has($rec['copy'],$user) || $has($rec['move'],$user) || $has($rec['delete'],$user)
+      || $has($rec['extract'],$user) || $has($rec['share_file'],$user) || $has($rec['share_folder'],$user)) {
     $out[$f] = [
-      'view'    => $canViewAll,
-      'viewOwn' => $canViewOwn,
-      'upload'  => $canUpload,
-      'manage'  => $isOwner,
-      'share'   => $canShare,
+      'view'        => $canViewAll,
+      'viewOwn'     => $canViewOwn,
+      'write'       => $has($rec['write'], $user) || $isOwner,
+      'manage'      => $isOwner,
+      'share'       => $canShare, // legacy
+      'create'      => $isOwner || $has($rec['create'], $user),
+      'upload'      => $isOwner || $has($rec['upload'], $user) || $has($rec['write'],$user),
+      'edit'        => $isOwner || $has($rec['edit'], $user)   || $has($rec['write'],$user),
+      'rename'      => $isOwner || $has($rec['rename'], $user) || $has($rec['write'],$user),
+      'copy'        => $isOwner || $has($rec['copy'], $user)   || $has($rec['write'],$user),
+      'move'        => $isOwner || $has($rec['move'], $user)   || $has($rec['write'],$user),
+      'delete'      => $isOwner || $has($rec['delete'], $user) || $has($rec['write'],$user),
+      'extract'     => $isOwner || $has($rec['extract'], $user)|| $has($rec['write'],$user),
+      'shareFile'   => $isOwner || $has($rec['share_file'], $user) || $has($rec['share'],$user),
+      'shareFolder' => $isOwner || $has($rec['share_folder'], $user) || $has($rec['share'],$user),
     ];
   }
 }
 
-echo json_encode(['grants' => $out], JSON_UNESCAPED_SLASHES);
+echo json_encode(['grants' => $out], JSON_UNESCAPED_SLASHES);

public/api/admin/acl/saveGrants.php

@@ -1,27 +1,5 @@
 <?php
 // public/api/admin/acl/saveGrants.php
-
-/**
- * @OA\Post(
- *   path="/api/admin/acl/saveGrants.php",
- *   summary="Save ACL grants (single-user or batch)",
- *   tags={"Admin","ACL"},
- *   security={{"cookieAuth":{}}},
- *   @OA\RequestBody(
- *     required=true,
- *     description="Either {user,grants} or {changes:[{user,grants}]}",
- *     @OA\JsonContent(oneOf={
- *       @OA\Schema(ref="#/components/schemas/SaveGrantsSingle"),
- *       @OA\Schema(ref="#/components/schemas/SaveGrantsBatch")
- *     })
- *   ),
- *   @OA\Response(response=200, description="Saved"),
- *   @OA\Response(response=400, description="Invalid payload"),
- *   @OA\Response(response=401, description="Unauthorized"),
- *   @OA\Response(response=403, description="Invalid CSRF")
- * )
- */
-
 declare(strict_types=1);
 
 require_once __DIR__ . '/../../../../config/config.php';
@@ -47,22 +25,38 @@ if (empty($_SESSION['csrf_token']) || $csrf !== $_SESSION['csrf_token']) {
 }
 
 // ---- Helpers ---------------------------------------------------------------
-/**
- * Sanitize a grants map to allowed flags only:
- * view | viewOwn | upload | manage | share
- */
+function normalize_caps(array $row): array {
+  // booleanize known keys
+  $bool = function($v){ return !empty($v) && $v !== 'false' && $v !== 0; };
+  $k = [
+    'view','viewOwn','upload','manage','share',
+    'create','edit','rename','copy','move','delete','extract',
+    'shareFile','shareFolder','write'
+  ];
+  $out = [];
+  foreach ($k as $kk) $out[$kk] = $bool($row[$kk] ?? false);
+
+  // BUSINESS RULES:
+  // A) Share Folder REQUIRES View (all). If shareFolder is true but view is false, force view=true.
+  if ($out['shareFolder'] && !$out['view']) {
+    $out['view'] = true;
+  }
+
+  // B) Share File requires at least View (own). If neither view nor viewOwn set, set viewOwn=true.
+  if ($out['shareFile'] && !$out['view'] && !$out['viewOwn']) {
+    $out['viewOwn'] = true;
+  }
+
+  // C) "write" does NOT imply view. It also does not imply granular here; ACL expands legacy write if present.
+  return $out;
+}
+
 function sanitize_grants_map(array $grants): array {
-  $allowed = ['view','viewOwn','upload','manage','share'];
   $out = [];
   foreach ($grants as $folder => $caps) {
     if (!is_string($folder)) $folder = (string)$folder;
     if (!is_array($caps))    $caps   = [];
-    $row = [];
-    foreach ($allowed as $k) {
-      $row[$k] = !empty($caps[$k]);
-    }
-    // include folder even if all false (signals "remove all for this user on this folder")
-    $out[$folder] = $row;
+    $out[$folder] = normalize_caps($caps);
   }
   return $out;
 }
@@ -124,4 +118,4 @@ if (isset($in['changes']) && is_array($in['changes'])) {
 
 // ---- Fallback --------------------------------------------------------------
 http_response_code(400);
-echo json_encode(['error' => 'Invalid payload: expected {user,grants} or {changes:[{user,grants}]}']);
+echo json_encode(['error' => 'Invalid payload: expected {user,grants} or {changes:[{user,grants}]}']);

public/api/folder/capabilities.php

@@ -51,7 +51,7 @@
  * )
  */
 
-
+declare(strict_types=1);
 if (session_status() !== PHP_SESSION_ACTIVE) session_start();
 
 require_once __DIR__ . '/../../../config/config.php';
@@ -88,30 +88,50 @@ function loadPermsFor(string $u): array {
   return [];
 }
 
-function isAdminUser(string $u, array $perms): bool {
-  if (!empty($perms['admin']) || !empty($perms['isAdmin'])) return true;
-  if (!empty($_SESSION['isAdmin']) && $_SESSION['isAdmin'] === true) return true;
-  $role = $_SESSION['role'] ?? null;
-  if ($role === 'admin' || $role === '1' || $role === 1) return true;
-  if ($u) {
-    $r = userModel::getUserRole($u);
-    if ($r === '1') return true;
+function isOwnerOrAncestorOwner(string $user, array $perms, string $folder): bool {
+  $f = ACL::normalizeFolder($folder);
+  // direct owner
+  if (ACL::isOwner($user, $perms, $f)) return true;
+  // ancestor owner
+  while ($f !== '' && strcasecmp($f, 'root') !== 0) {
+    $pos = strrpos($f, '/');
+    if ($pos === false) break;
+    $f = substr($f, 0, $pos);
+    if ($f === '' || strcasecmp($f, 'root') === 0) break;
+    if (ACL::isOwner($user, $perms, $f)) return true;
   }
   return false;
 }
 
+/**
+ * folder-only scope:
+ * - Admins: always in scope
+ * - Non folder-only accounts: always in scope
+ * - Folder-only accounts: in scope iff:
+ *   - folder == username OR subpath of username, OR
+ *   - user is owner of this folder (or any ancestor)
+ */
 function inUserFolderScope(string $folder, string $u, array $perms, bool $isAdmin): bool {
   if ($isAdmin) return true;
-  $folderOnly = !empty($perms['folderOnly']) || !empty($perms['userFolderOnly']) || !empty($perms['UserFolderOnly']);
-  if (!$folderOnly) return true;
-  $f = trim($folder);
-  if ($f === '' || strcasecmp($f, 'root') === 0) return false; // non-admin folderOnly: not root
-  return ($f === $u) || (strpos($f, $u . '/') === 0);
+  //$folderOnly = !empty($perms['folderOnly']) || !empty($perms['userFolderOnly']) || !empty($perms['UserFolderOnly']);
+  //if (!$folderOnly) return true;
+
+  $f = ACL::normalizeFolder($folder);
+  if ($f === 'root' || $f === '') {
+    // folder-only users cannot act on root unless they own a subfolder (handled below)
+    return isOwnerOrAncestorOwner($u, $perms, $f);
+  }
+
+  if ($f === $u || str_starts_with($f, $u . '/')) return true;
+
+  // Treat ownership as in-scope
+  return isOwnerOrAncestorOwner($u, $perms, $f);
 }
 
 // --- inputs ---
 $folder = isset($_GET['folder']) ? trim((string)$_GET['folder']) : 'root';
-// validate folder path: allow "root" or nested segments matching REGEX_FOLDER_NAME
+
+// validate folder path
 if ($folder !== 'root') {
   $parts = array_filter(explode('/', trim($folder, "/\\ ")));
   if (empty($parts)) {
@@ -129,44 +149,97 @@ if ($folder !== 'root') {
   $folder = implode('/', $parts);
 }
 
-$perms   = loadPermsFor($username);
-$isAdmin = isAdminUser($username, $perms);
+// --- user + flags ---
+$perms       = loadPermsFor($username);
+$isAdmin     = ACL::isAdmin($perms);
+$readOnly    = !empty($perms['readOnly']);
+$inScope     = inUserFolderScope($folder, $username, $perms, $isAdmin);
 
-// base permissions via ACL
-$canRead   = $isAdmin || ACL::canRead($username, $perms, $folder);
-$canWrite  = $isAdmin || ACL::canWrite($username, $perms, $folder);
-$canShare  = $isAdmin || ACL::canShare($username, $perms, $folder);
+// --- ACL base abilities ---
+$canViewBase   = $isAdmin || ACL::canRead($username, $perms, $folder);
+$canViewOwn    = $isAdmin || ACL::canReadOwn($username, $perms, $folder);
+$canWriteBase  = $isAdmin || ACL::canWrite($username, $perms, $folder);
+$canShareBase  = $isAdmin || ACL::canShare($username, $perms, $folder);
 
-// scope + flags
-$inScope         = inUserFolderScope($folder, $username, $perms, $isAdmin);
-$readOnly        = !empty($perms['readOnly']);
-$disableUpload   = !empty($perms['disableUpload']);
+$canManageBase = $isAdmin || ACL::canManage($username, $perms, $folder);
 
-$canUpload       = $canWrite && !$readOnly && !$disableUpload && $inScope;
-$canCreateFolder = $canWrite && !$readOnly && $inScope;
-$canRename       = $canWrite && !$readOnly && $inScope;
-$canDelete       = $canWrite && !$readOnly && $inScope;
-$canMoveIn       = $canWrite && !$readOnly && $inScope;
+// granular base
+$gCreateBase   = $isAdmin || ACL::canCreate($username, $perms, $folder);
+$gRenameBase   = $isAdmin || ACL::canRename($username, $perms, $folder);
+$gDeleteBase   = $isAdmin || ACL::canDelete($username, $perms, $folder);
+$gMoveBase     = $isAdmin || ACL::canMove($username, $perms, $folder);
+$gUploadBase   = $isAdmin || ACL::canUpload($username, $perms, $folder);
+$gEditBase     = $isAdmin || ACL::canEdit($username, $perms, $folder);
+$gCopyBase     = $isAdmin || ACL::canCopy($username, $perms, $folder);
+$gExtractBase  = $isAdmin || ACL::canExtract($username, $perms, $folder);
+$gShareFile    = $isAdmin || ACL::canShareFile($username, $perms, $folder);
+$gShareFolder  = $isAdmin || ACL::canShareFolder($username, $perms, $folder);
 
-// (optional) owner info if you need it client-side
-$owner = FolderModel::getOwnerFor($folder);
+// --- Apply scope + flags to effective UI actions ---
+$canView     = $canViewBase && $inScope;              // keep scope for folder-only
+$canUpload   = $gUploadBase   && !$readOnly && $inScope;
+$canCreate   = $canManageBase && !$readOnly && $inScope;  // Create **folder**
+$canRename   = $canManageBase && !$readOnly && $inScope;  // Rename **folder**
+$canDelete   = $gDeleteBase   && !$readOnly && $inScope;
+// Destination can receive items if user can create/write (or manage) here
+$canReceive  = ($gUploadBase || $gCreateBase || $canManageBase) && !$readOnly && $inScope;
+// Back-compat: expose as canMoveIn (used by toolbar/context-menu/drag&drop)
+$canMoveIn   = $canReceive;
+$canMoveAlias = $canMoveIn;
+$canEdit     = $gEditBase     && !$readOnly && $inScope;
+$canCopy     = $gCopyBase     && !$readOnly && $inScope;
+$canExtract  = $gExtractBase  && !$readOnly && $inScope;
+
+// Sharing respects scope; optionally also gate on readOnly
+$canShare         = $canShareBase && $inScope;         // legacy umbrella
+$canShareFileEff  = $gShareFile   && $inScope;
+$canShareFoldEff  = $gShareFolder && $inScope;
+
+// never allow destructive ops on root
+$isRoot = ($folder === 'root');
+if ($isRoot) {
+  $canRename = false;
+  $canDelete = false;
+  $canShareFoldEff = false;
+  $canMoveFolder = false;
+}
+
+if (!$isRoot) {
+  $canMoveFolder = (ACL::canManage($username, $perms, $folder) || ACL::isOwner($username, $perms, $folder))
+                   && !$readOnly;
+}
+
+$owner = null;
+try { $owner = FolderModel::getOwnerFor($folder); } catch (Throwable $e) {}
 
-// output
 echo json_encode([
-  'user'        => $username,
-  'folder'      => $folder,
-  'isAdmin'     => $isAdmin,
-  'flags'       => [
-    'folderOnly'    => !empty($perms['folderOnly']) || !empty($perms['userFolderOnly']) || !empty($perms['UserFolderOnly']),
+  'user'    => $username,
+  'folder'  => $folder,
+  'isAdmin' => $isAdmin,
+  'flags'   => [
+    //'folderOnly'    => !empty($perms['folderOnly']) || !empty($perms['userFolderOnly']) || !empty($perms['UserFolderOnly']),
     'readOnly'      => $readOnly,
-    'disableUpload' => $disableUpload,
   ],
-  'owner'      => $owner,
-  'canView'    => $canRead,
-  'canUpload'  => $canUpload,
-  'canCreate'  => $canCreateFolder,
-  'canRename'  => $canRename,
-  'canDelete'  => $canDelete,
-  'canMoveIn'  => $canMoveIn,
-  'canShare'   => $canShare,
+  'owner'        => $owner,
+
+  // viewing
+  'canView'      => $canView,
+  'canViewOwn'   => $canViewOwn,
+
+  // write-ish
+  'canUpload'    => $canUpload,
+  'canCreate'    => $canCreate,
+  'canRename'    => $canRename,
+  'canDelete'    => $canDelete,
+  'canMoveIn'    => $canMoveIn,
+  'canMove'       => $canMoveAlias, 
+  'canMoveFolder'=> $canMoveFolder,
+  'canEdit'      => $canEdit,
+  'canCopy'      => $canCopy,
+  'canExtract'   => $canExtract,
+
+  // sharing
+  'canShare'        => $canShare,          // legacy
+  'canShareFile'    => $canShareFileEff,
+  'canShareFolder'  => $canShareFoldEff,
 ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);

public/api/folder/moveFolder.php

@@ -0,0 +1,9 @@
+<?php
+// public/api/folder/moveFolder.php
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../../config/config.php';
+require_once PROJECT_ROOT . '/src/controllers/FolderController.php';
+
+$controller = new FolderController();
+$controller->moveFolder();

public/api/siteConfig.php

@@ -0,0 +1,9 @@
+<?php
+// public/api/siteConfig.php
+
+
+require_once __DIR__ . '/../../config/config.php';
+require_once PROJECT_ROOT . '/src/controllers/UserController.php';
+
+$userController = new UserController();
+$userController->siteConfig();

public/css/vendor/material-icons.css

@@ -0,0 +1,24 @@
+/* fallback */
+@font-face {
+  font-family: 'Material Icons';
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: url('/fonts/material-icons/flUhRq6tzZclQEJ-Vdg-IuiaDsNcIhQ8tQ.woff2?v={{APP_QVER}}') format('woff2');
+}
+
+.material-icons {
+  font-family: 'Material Icons';
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+}

public/css/vendor/roboto.css

@@ -0,0 +1,44 @@
+/* Roboto Regular 400 — latin-ext */
+@font-face{
+  font-family:'Roboto';
+  font-style:normal;
+  font-weight:400;
+  font-display:swap;
+  src:url('/fonts/roboto/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3KUBHMdazTgWw.woff2?v={{APP_QVER}}') format('woff2');
+  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
+}
+/* Roboto Regular 400 — latin */
+@font-face{
+  font-family:'Roboto';
+  font-style:normal;
+  font-weight:400;
+  font-display:swap;
+  src:url('/fonts/roboto/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2?v={{APP_QVER}}') format('woff2');
+  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+/* Roboto Medium 500 — latin-ext */
+@font-face{
+  font-family:'Roboto';
+  font-style:normal;
+  font-weight:500;
+  font-display:swap;
+  src:url('/fonts/roboto/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3KUBHMdazTgWw.woff2?v={{APP_QVER}}') format('woff2');
+  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
+}
+/* Roboto Medium 500 — latin */
+@font-face{
+  font-family:'Roboto';
+  font-style:normal;
+  font-weight:500;
+  font-display:swap;
+  src:url('/fonts/roboto/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2?v={{APP_QVER}}') format('woff2');
+  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
+}
+
+/* sensible stack so Chinese falls back cleanly */
+:root{
+  --ui-font: Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI",
+             "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",
+             "Helvetica Neue", Arial, "Noto Sans", sans-serif;
+}
+body{ font-family: var(--ui-font); }

public/index.html

@@ -2,142 +2,59 @@
 <html lang="en">
 
 <head>
-  <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>FileRise</title>
-  <link rel="icon" type="image/png" href="/assets/logo.png">
-  <link rel="icon" type="image/svg+xml" href="/assets/logo.svg">
-  <meta name="csrf-token" content="">
-  <meta name="share-url" content="">
-  <style>
-    /* hide the app shell until JS says otherwise */
-    .main-wrapper {
-      display: none;
-    }
-
-    /* full-screen white overlay while we check auth */
-    #loadingOverlay {
-      position: fixed;
-      top: 0;
-      left: 0;
-      right: 0;
-      bottom: 0;
-      background: var(--bg-color, #fff);
-      z-index: 9999;
-      display: flex;
-      align-items: center;
-      justify-content: center;
-    }
+  <meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>FileRise</title>
+  <script>(function(){try{var s=localStorage.getItem('darkMode');var isDark=(s===null)?(window.matchMedia&&window.matchMedia('(prefers-color-scheme: dark)').matches):(s==='1'||s==='true');var root=document.documentElement;root.setAttribute('data-theme',isDark?'dark':'light');root.classList.toggle('dark-mode',isDark);var bg=isDark?'#121212':'#ffffff';root.style.backgroundColor=bg;root.style.colorScheme=isDark?'dark':'light';root.style.setProperty('--pre-bg',bg);var m=document.querySelector('meta[name="theme-color"]');if(m)m.setAttribute('content',bg);}catch(e){}})();</script>
+  <style id="pretheme-css">
+    html,body,#loadingOverlay{background:var(--pre-bg,#ffffff) !important;}
   </style>
-  <!-- Google Fonts and Material Icons -->
-  <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500&display=swap" rel="stylesheet" />
-  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet" />
-  <!-- Bootstrap CSS -->
-  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css"
-    integrity="sha384-JcKb8q3iqJ61gNV9KGb8thSsNjpSL0n8PARn9HuZOnIxN0hoP+VmmDGMN5t9UJ0Z" crossorigin="anonymous">
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/codemirror.min.css"
-    integrity="sha384-zaeBlB/vwYsDRSlFajnDd7OydJ0cWk+c2OWybl3eSUf6hW2EbhlCsQPqKr3gkznT" crossorigin="anonymous">
-  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/theme/material-darker.min.css"
-    integrity="sha384-eZTPTN0EvJdn23s24UDYJmUM2T7C2ZFa3qFLypeBruJv8mZeTusKUAO/j5zPAQ6l" crossorigin="anonymous">
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/codemirror.min.js"
-    integrity="sha384-UXbkZAbZYZ/KCAslc6UO4d6UHNKsOxZ/sqROSQaPTZCuEIKhfbhmffQ64uXFOcma"
-    crossorigin="anonymous"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/mode/xml/xml.min.js"
-    integrity="sha384-xPpkMo5nDgD98fIcuRVYhxkZV6/9Y4L8s3p0J5c4MxgJkyKJ8BJr+xfRkq7kn6Tw"
-    crossorigin="anonymous"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/mode/css/css.min.js"
-    integrity="sha384-to8njsu2GAiXQnY/aLGzz0DIY/SFSeSDodtvSl869n2NmsBdHOTZNNqbEBPYh7Pa"
-    crossorigin="anonymous"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/mode/javascript/javascript.min.js"
-    integrity="sha384-kmQrbJf09Uo1WRLMDVGoVG3nM6F48frIhcj7f3FDUjeRzsiHwyBWDjMUIttnIeAf"
-    crossorigin="anonymous"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/resumable.js/1.1.0/resumable.min.js"
-    integrity="sha384-EXTg7rRfdTPZWoKVCslusAAev2TYw76fm+Wox718iEtFQ+gdAdAc5Z/ndLHSo4mq"
-    crossorigin="anonymous"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/dompurify/2.4.0/purify.min.js"
-    integrity="sha384-Tsl3d5pUAO7a13enIvSsL3O0/95nsthPJiPto5NtLuY8w3+LbZOpr3Fl2MNmrh1E"
-    crossorigin="anonymous"></script>
-  <script src="https://cdn.jsdelivr.net/npm/fuse.js@6.6.2/dist/fuse.min.js"
-    integrity="sha384-zPE55eyESN+FxCWGEnlNxGyAPJud6IZ6TtJmXb56OFRGhxZPN4akj9rjA3gw5Qqa"
-    crossorigin="anonymous"></script>
-  <link rel="stylesheet" href="css/styles.css" />
-</head>
+  <link rel="icon" type="image/png" href="/assets/logo.png"><link rel="icon" type="image/svg+xml" href="/assets/logo.svg">
+  <meta name="description" content="FileRise is a fast, self-hosted file manager with granular per-folder ACLs, drag-and-drop folder moves, WebDAV, tagging, and a clean UI.">
+  <meta name="csrf-token" content=""><meta name="share-url" content=""><meta name="theme-color" content="#0b5ed7"><meta name="color-scheme" content="light dark">
+
+  
+<!-- Critical CSS -->
+  <link rel="stylesheet" href="/vendor/bootstrap/4.5.2/bootstrap.min.css?v={{APP_QVER}}">
+  <link rel="stylesheet" href="/css/styles.css?v={{APP_QVER}}">
+  <link rel="stylesheet" href="/css/vendor/roboto.css?v={{APP_QVER}}">
+  
+  <!-- Fonts (ok to keep as real preloads) -->
+  <link rel="preload" as="font" href="/fonts/roboto/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3KUBHMdazTgWw.woff2?v={{APP_QVER}}" type="font/woff2" crossorigin>
+  <link rel="preload" as="font" href="/fonts/roboto/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBHMdazQ.woff2?v={{APP_QVER}}" type="font/woff2" crossorigin>
+  
+  <!-- Vendor & version (deferred) -->
+  <script src="/vendor/dompurify/2.4.0/purify.min.js?v={{APP_QVER}}" defer></script>
+  <script src="/js/version.js?v={{APP_QVER}}" defer></script>
+  
+  <!-- App entry -->
+  <link rel="modulepreload" href="/js/main.js?v={{APP_QVER}}"><script type="module" src="/js/main.js?v={{APP_QVER}}"></script>
+  </head>
 
 <body>
+  <div id="appRoot" style="visibility:hidden">
   <header class="header-container">
+   
     <div class="header-left">
       <a href="index.html">
         <div class="header-logo">
-          <svg version="1.1" id="filingCabinetLogo" xmlns="http://www.w3.org/2000/svg"
-            xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 64 64" xml:space="preserve">
-            <defs>
-              <!-- Gradient for the cabinet body -->
-              <linearGradient id="cabinetGradient" x1="0%" y1="0%" x2="0%" y2="100%">
-                <stop offset="0%" style="stop-color:#2196F3;stop-opacity:1" />
-                <stop offset="100%" style="stop-color:#1976D2;stop-opacity:1" />
-              </linearGradient>
-              <!-- Drop shadow filter with animated attributes for a lifting effect -->
-              <filter id="shadowFilter" x="-20%" y="-20%" width="140%" height="140%">
-                <feDropShadow id="dropShadow" dx="0" dy="2" stdDeviation="2" flood-color="#000" flood-opacity="0.2">
-                  <!-- Animate the vertical offset: from 2 to 1 (as it rises), hold, then back to 2 -->
-                  <animate attributeName="dy" values="2;1;1;2" keyTimes="0;0.2;0.8;1" dur="5s" fill="freeze" />
-                  <!-- Animate the blur similarly: from 2 to 1.5 then back to 2 -->
-                  <animate attributeName="stdDeviation" values="2;1.5;1.5;2" keyTimes="0;0.2;0.8;1" dur="5s"
-                    fill="freeze" />
-                </feDropShadow>
-              </filter>
-            </defs>
-            <style type="text/css">
-              /* Cabinet with gradient, white outline, and drop shadow */
-              .cabinet {
-                fill: url(#cabinetGradient);
-                stroke: white;
-                stroke-width: 2;
-              }
-
-              .divider {
-                stroke: #1565C0;
-                stroke-width: 1.5;
-              }
-
-              .drawer {
-                fill: #FFFFFF;
-              }
-
-              .handle {
-                fill: #1565C0;
-              }
-            </style>
-            <!-- Group that will animate upward and then back down once -->
-            <g id="cabinetGroup">
-              <!-- Cabinet Body with rounded corners, white outline, and drop shadow -->
-              <rect x="4" y="4" width="56" height="56" rx="6" ry="6" class="cabinet" filter="url(#shadowFilter)" />
-              <!-- Divider lines for drawers -->
-              <line x1="5" y1="22" x2="59" y2="22" class="divider" />
-              <line x1="5" y1="34" x2="59" y2="34" class="divider" />
-              <!-- Drawers with Handles -->
-              <rect x="8" y="24" width="48" height="6" rx="1" ry="1" class="drawer" />
-              <circle cx="54" cy="27" r="1.5" class="handle" />
-              <rect x="8" y="36" width="48" height="6" rx="1" ry="1" class="drawer" />
-              <circle cx="54" cy="39" r="1.5" class="handle" />
-              <rect x="8" y="48" width="48" height="6" rx="1" ry="1" class="drawer" />
-              <circle cx="54" cy="51" r="1.5" class="handle" />
-              <!-- Additional detail: a small top handle on the cabinet door -->
-              <rect x="28" y="10" width="8" height="4" rx="1" ry="1" fill="#1565C0" />
-              <!-- Animate transform: rises by 2 pixels over 1s, holds for 3s, then falls over 1s (total 5s) -->
-              <animateTransform attributeName="transform" type="translate" values="0 0; 0 -2; 0 -2; 0 0"
-                keyTimes="0;0.2;0.8;1" dur="5s" fill="freeze" />
-            </g>
-          </svg>
+          <img
+  src="/assets/logo.svg?v={{APP_QVER}}"
+  alt="FileRise"
+  class="logo"
+  width="50"
+  height="50"
+  decoding="async"
+  fetchpriority="high"
+/>
         </div>
       </a>
     </div>
+    
     <div class="header-title">
-      <h1 data-i18n-key="header_title">FileRise</h1>
+      <h1>FileRise</h1>
     </div>
     <div class="header-right">
       <div class="header-buttons-wrapper" style="display: flex; align-items: center; gap: 10px;">
-        <!-- Your header drop zone -->
+        
         <div id="headerDropArea" class="header-drop-zone"></div>
         <div class="header-buttons">
           <button id="changePasswordBtn" data-i18n-title="change_password" style="display: none;">
@@ -156,7 +73,7 @@
                 <!-- Trash items will be loaded here -->
               </div>
               <div style="text-align: right;">
-                <button id="restoreSelectedBtn" class="btn btn-primary" data-i18n-key="restore_selected">Restore
+                <button id="restoreSelectedBtn" class="btn btn-primary" data-i18n-key="restore_selected"  style="display: none;">Restore
                   Selected</button>
                 <button id="restoreAllBtn" class="btn btn-secondary" data-i18n-key="restore_all">Restore All</button>
                 <button id="deleteTrashSelectedBtn" class="btn btn-warning" data-i18n-key="delete_selected_trash">Delete
@@ -172,7 +89,7 @@
           <button id="removeUserBtn" data-i18n-title="remove_user" style="display: none;">
             <i class="material-icons">person_remove</i>
           </button>
-          <button id="darkModeToggle" class="btn-icon" aria-label="Toggle dark mode">
+          <button id="darkModeToggle" class="btn-icon" aria-label="Toggle dark mode"  hidden>
             <span class="material-icons" id="darkModeIcon">
               dark_mode
             </span>
@@ -181,15 +98,18 @@
       </div>
     </div>
   </header>
-
+  
   <div id="loadingOverlay"></div>
 
   <!-- Custom Toast Container -->
   <div id="customToast"></div>
   <div id="hiddenCardsContainer" style="display:none;"></div>
-
+  <main id="main" hidden>
   <div class="row mt-4" id="loginForm">
     <div class="col-12">
+      <div id="loginBox" class="login-box">
+        <div id="fr-login-tip" class="alert alert-info login-hint" role="status" aria-live="polite" style="display:none;"></div>
+  
       <form id="authForm" method="post">
         <div class="form-group">
           <label for="loginUsername" data-i18n-key="user">User:</label>
@@ -199,7 +119,7 @@
           <label for="loginPassword" data-i18n-key="password">Password:</label>
           <input type="password" class="form-control" id="loginPassword" name="password" required />
         </div>
-        <button type="submit" class="btn btn-primary btn-block btn-login" data-i18n-key="login">Login</button>
+        <button type="submit" class="btn btn-primary btn-block btn-login" data-i18n-key="login" data-default>Login</button>
         <div class="form-group remember-me-container">
           <input type="checkbox" id="rememberMeCheckbox" name="remember_me" />
           <label for="rememberMeCheckbox" data-i18n-key="remember_me">Remember me</label>
@@ -215,11 +135,14 @@
           HTTP
           Login</a>
       </div>
+      <div>
     </div>
   </div>
+</main>
+  
 
   <!-- Main Wrapper: Hidden by default; remove "display: none;" after login -->
-  <div class="main-wrapper">
+  <div class="main-wrapper" hidden>
     <!-- Sidebar Drop Zone: Hidden until you drag a card (display controlled by JS) -->
     <div id="sidebarDropArea" class="drop-target-sidebar"></div>
     <!-- Main Column -->
@@ -286,9 +209,27 @@
                           </div>
                         </div>
                       </div>
+                      <button id="moveFolderBtn" class="btn btn-warning ml-2" data-i18n-title="move_folder">
+                        <i class="material-icons">drive_file_move</i>
+                      </button>
+                      <!-- MOVE FOLDER MODAL (place near your other folder modals) -->
+                      <div id="moveFolderModal" class="modal" style="display:none;">
+                        <div class="modal-content">
+                          <h4 data-i18n-key="move_folder_title">Move Folder</h4>
+                          <p data-i18n-key="move_folder_message">Select a destination folder to move the current folder
+                            into:</p>
+                          <select id="moveFolderTarget" class="form-control modal-input"></select>
+                          <div class="modal-footer" style="margin-top:15px; text-align:right;">
+                            <button id="cancelMoveFolder" class="btn btn-secondary"
+                              data-i18n-key="cancel">Cancel</button>
+                            <button id="confirmMoveFolder" class="btn btn-primary" data-i18n-key="move" data-default>Move</button>
+                          </div>
+                        </div>
+                      </div>
                       <button id="renameFolderBtn" class="btn btn-warning ml-2" data-i18n-title="rename_folder">
                         <i class="material-icons">drive_file_rename_outline</i>
                       </button>
+
                       <div id="renameFolderModal" class="modal">
                         <div class="modal-content">
                           <h4 data-i18n-key="rename_folder_title">Rename Folder</h4>
@@ -299,7 +240,7 @@
                             <button id="cancelRenameFolder" class="btn btn-secondary"
                               data-i18n-key="cancel">Cancel</button>
                             <button id="submitRenameFolder" class="btn btn-primary"
-                              data-i18n-key="rename">Rename</button>
+                              data-i18n-key="rename" data-default>Rename</button>
                           </div>
                         </div>
                       </div>
@@ -319,7 +260,7 @@
                             <button id="cancelDeleteFolder" class="btn btn-secondary"
                               data-i18n-key="cancel">Cancel</button>
                             <button id="confirmDeleteFolder" class="btn btn-danger"
-                              data-i18n-key="delete">Delete</button>
+                              data-i18n-key="delete" data-default>Delete</button>
                           </div>
                         </div>
                       </div>
@@ -355,7 +296,7 @@
                   selected files?</p>
                 <div class="modal-footer">
                   <button id="cancelDeleteFiles" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-                  <button id="confirmDeleteFiles" class="btn btn-danger" data-i18n-key="delete">Delete</button>
+                  <button id="confirmDeleteFiles" class="btn btn-danger" data-i18n-key="delete" data-default>Delete</button>
                 </div>
               </div>
             </div>
@@ -369,7 +310,7 @@
                 <select id="copyTargetFolder" class="form-control modal-input"></select>
                 <div class="modal-footer">
                   <button id="cancelCopyFiles" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-                  <button id="confirmCopyFiles" class="btn btn-primary" data-i18n-key="copy">Copy</button>
+                  <button id="confirmCopyFiles" class="btn btn-primary" data-i18n-key="copy" data-default>Copy</button>
                 </div>
               </div>
             </div>
@@ -383,41 +324,25 @@
                 <select id="moveTargetFolder" class="form-control modal-input"></select>
                 <div class="modal-footer">
                   <button id="cancelMoveFiles" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-                  <button id="confirmMoveFiles" class="btn btn-primary" data-i18n-key="move">Move</button>
+                  <button id="confirmMoveFiles" class="btn btn-primary" data-i18n-key="move" data-default>Move</button>
                 </div>
               </div>
             </div>
             <button id="downloadZipBtn" class="btn action-btn" style="display: none;" disabled
               data-i18n-key="download_zip">Download ZIP</button>
-            <button id="extractZipBtn" class="btn action-btn btn-sm btn-info" data-i18n-title="extract_zip"
+            <button id="extractZipBtn" class="btn action-btn btn-sm btn-info"  style="display: none;" disabled
               data-i18n-key="extract_zip_button">Extract Zip</button>
               <div id="createDropdown" class="dropdown-container" style="position:relative; display:inline-block;">
-                <button id="createBtn"  class="btn action-btn" data-i18n-key="create">
-                  ${t('create')} <span class="material-icons" style="font-size:16px;vertical-align:middle;">arrow_drop_down</span>
+                <button id="createBtn" class="btn action-btn" type="button" style="display:none;" aria-haspopup="true" aria-expanded="false">
+                  <span data-i18n-key="create">Create</span>
+                  <span class="material-icons" style="font-size:16px;vertical-align:middle;">arrow_drop_down</span>
                 </button>
-                <ul
-                  id="createMenu"
-                  class="dropdown-menu"
-                  style="
-                    display: none;
-                    position: absolute;
-                    top: 100%;
-                    left: 0;
-                    margin: 4px 0 0;
-                    padding: 0;
-                    list-style: none;
-                    background: #fff;
-                    border: 1px solid #ccc;
-                    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
-                    z-index: 1000;
-                    min-width: 140px;
-                  "
-                >
-                  <li id="createFileOption" class="dropdown-item" data-i18n-key="create_file" style="padding:8px 12px; cursor:pointer;">
-                    ${t('create_file')}
+                <ul id="createMenu" class="dropdown-menu" style="display:none; position:absolute; top:100%; left:0; margin:4px 0 0; padding:0; list-style:none; background:#fff; border:1px solid #ccc; box-shadow:0 2px 6px rgba(0,0,0,0.2); z-index:10010; min-width:160px;">
+                  <li id="createFileOption" class="dropdown-item" style="padding:8px 12px; cursor:pointer;">
+                    <span data-i18n-key="create_file">Create file</span>
                   </li>
-                  <li id="createFolderOption" class="dropdown-item" data-i18n-key="create_folder" style="padding:8px 12px; cursor:pointer;">
-                    ${t('create_folder')}
+                  <li id="createFolderOption" class="dropdown-item" style="padding:8px 12px; cursor:pointer;">
+                    <span data-i18n-key="create_folder">Create folder</span>
                   </li>
                 </ul>
               </div>
@@ -425,16 +350,11 @@
             <div id="createFileModal" class="modal" style="display:none;">
               <div class="modal-content">
                 <h4 data-i18n-key="create_new_file">Create New File</h4>
-                <input
-                  type="text"
-                  id="createFileNameInput"
-                  class="form-control"
-                  placeholder="Enter filename…"
-                  data-i18n-placeholder="newfile_placeholder"
-                />
+                <input type="text" id="createFileNameInput" class="form-control" placeholder="Enter filename…"
+                  data-i18n-placeholder="newfile_placeholder" />
                 <div class="modal-footer" style="margin-top:1rem; text-align:right;">
                   <button id="cancelCreateFile" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-                  <button id="confirmCreateFile" class="btn btn-primary" data-i18n-key="create">Create</button>
+                  <button id="confirmCreateFile" class="btn btn-primary" data-i18n-key="create" data-default>Create</button>
                 </div>
               </div>
             </div>
@@ -446,7 +366,7 @@
                   placeholder="files.zip" />
                 <div class="modal-footer" style="margin-top:15px; text-align:right;">
                   <button id="cancelDownloadZip" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-                  <button id="confirmDownloadZip" class="btn btn-primary" data-i18n-key="download">Download</button>
+                  <button id="confirmDownloadZip" class="btn btn-primary" data-i18n-key="download" data-default>Download</button>
                 </div>
               </div>
             </div>
@@ -484,14 +404,14 @@
         placeholder="Filename" />
       <div style="margin-top: 15px; text-align: right;">
         <button id="cancelDownloadFile" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-        <button id="confirmSingleDownloadButton" class="btn btn-primary" data-i18n-key="download">Download</button>
+        <button id="confirmSingleDownloadButton" class="btn btn-primary" data-i18n-key="download" data-default>Download</button>
       </div>
     </div>
   </div>
 
   <!-- Change Password, Add User, Remove User, Rename File, and Custom Confirm Modals (unchanged) -->
   <div id="changePasswordModal" class="modal" style="display:none;">
-    <div class="modal-content" style="max-width:400px; margin:auto;">
+    <div class="modal-content" style="text-align: center; padding: 20px;">
       <span id="closeChangePasswordModal" class="editor-close-btn">&times;</span>
       <h3 data-i18n-key="change_password_title">Change Password</h3>
       <input type="password" id="oldPassword" class="form-control" data-i18n-placeholder="old_password"
@@ -500,7 +420,7 @@
         placeholder="New Password" style="width:100%; margin: 5px 0;" />
       <input type="password" id="confirmPassword" class="form-control" data-i18n-placeholder="confirm_new_password"
         placeholder="Confirm New Password" style="width:100%; margin: 5px 0;" />
-      <button id="saveNewPasswordBtn" class="btn btn-primary" data-i18n-key="save" style="width:100%;">Save</button>
+      <button id="saveNewPasswordBtn" class="btn btn-primary" data-i18n-key="save" style="width:100%;" data-default>Save</button>
     </div>
   </div>
   <div id="addUserModal" class="modal" style="display:none;">
@@ -525,7 +445,7 @@
             Cancel
           </button>
           <!-- Save becomes type="submit" -->
-          <button type="submit" id="saveUserBtn" class="btn btn-primary" data-i18n-key="save_user">
+          <button type="submit" id="saveUserBtn" class="btn btn-primary" data-i18n-key="save_user" data-default>
             Save User
           </button>
         </div>
@@ -550,7 +470,7 @@
         placeholder="Enter new file name" style="margin-top:10px;" />
       <div style="margin-top:15px; text-align:right;">
         <button id="cancelRenameFile" class="btn btn-secondary" data-i18n-key="cancel">Cancel</button>
-        <button id="submitRenameFile" class="btn btn-primary" data-i18n-key="rename">Rename</button>
+        <button id="submitRenameFile" class="btn btn-primary" data-i18n-key="rename" data-default>Rename</button>
       </div>
     </div>
   </div>
@@ -558,12 +478,12 @@
     <div class="modal-content">
       <p id="confirmMessage"></p>
       <div class="modal-actions">
-        <button id="confirmYesBtn" class="btn btn-primary" data-i18n-key="yes">Yes</button>
+        <button id="confirmYesBtn" class="btn btn-primary" data-i18n-key="yes" data-default>Yes</button>
         <button id="confirmNoBtn" class="btn btn-secondary" data-i18n-key="no">No</button>
       </div>
     </div>
   </div>
-  <script type="module" src="js/main.js"></script>
+</div>
 </body>
 
 </html>

public/js/appCore.js

@@ -0,0 +1,177 @@
+// /js/appCore.js
+import { showToast } from './domUtils.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
+import { loadFolderTree } from './folderManager.js?v={{APP_QVER}}';
+import { setupTrashRestoreDelete } from './trashRestoreDelete.js?v={{APP_QVER}}';
+import { initDragAndDrop, loadSidebarOrder, loadHeaderOrder } from './dragAndDrop.js?v={{APP_QVER}}';
+import { initTagSearch } from './fileTags.js?v={{APP_QVER}}';
+import { initFileActions } from './fileActions.js?v={{APP_QVER}}';
+import { initUpload } from './upload.js?v={{APP_QVER}}';
+import { loadAdminConfigFunc } from './auth.js?v={{APP_QVER}}';
+
+// Keep a bound handle to the native fetch so wrappers elsewhere never recurse
+const _nativeFetch = window.fetch.bind(window);
+
+/* =========================
+   CSRF UTILITIES (shared)
+   ========================= */
+export function setCsrfToken(token) {
+  if (!token) return;
+  window.csrfToken = token;
+  localStorage.setItem('csrf', token);
+
+  // meta tag for easy access in other places
+  let meta = document.querySelector('meta[name="csrf-token"]');
+  if (!meta) {
+    meta = document.createElement('meta');
+    meta.name = 'csrf-token';
+    document.head.appendChild(meta);
+  }
+  meta.content = token;
+}
+
+export function getCsrfToken() {
+  return window.csrfToken || localStorage.getItem('csrf') || '';
+}
+
+/**
+ * Bootstrap/refresh CSRF from the server.
+ * Uses the native fetch to avoid wrapper loops and accepts rotated tokens via header.
+ */
+export async function loadCsrfToken() {
+  const res = await _nativeFetch('/api/auth/token.php', { method: 'GET', credentials: 'include' });
+
+  // header-based rotation
+  const hdr = res.headers.get('X-CSRF-Token');
+  if (hdr) setCsrfToken(hdr);
+
+  // body (if provided)
+  let body = {};
+  try { body = await res.json(); } catch { /* token endpoint may return empty */ }
+
+  const token = body.csrf_token || getCsrfToken();
+  setCsrfToken(token);
+
+  // share-url meta should reflect the actual origin
+  const actualShare = window.location.origin;
+  let shareMeta = document.querySelector('meta[name="share-url"]');
+  if (!shareMeta) {
+    shareMeta = document.createElement('meta');
+    shareMeta.name = 'share-url';
+    document.head.appendChild(shareMeta);
+  }
+  shareMeta.content = actualShare;
+
+  return { csrf_token: token, share_url: actualShare };
+}
+
+/* =========================
+   APP INIT (shared)
+   ========================= */
+export function initializeApp() {
+  const saved = parseInt(localStorage.getItem('rowHeight') || '48', 10);
+  document.documentElement.style.setProperty('--file-row-height', saved + 'px');
+
+  const last = localStorage.getItem('lastOpenedFolder');
+  window.currentFolder = last ? last : "root";
+
+  const stored = localStorage.getItem('showFoldersInList');
+  window.showFoldersInList = stored === null ? true : stored === 'true';
+
+  // Load public site config early (safe subset)
+  loadAdminConfigFunc();
+
+  // Enable tag search UI; initial file list load is controlled elsewhere
+  initTagSearch();
+
+  // Hook DnD relay from fileList area into upload area
+  const fileListArea = document.getElementById('fileListContainer');
+  const uploadArea = document.getElementById('uploadDropArea');
+  if (fileListArea && uploadArea) {
+    fileListArea.addEventListener('dragover', e => {
+      e.preventDefault();
+      fileListArea.classList.add('drop-hover');
+    });
+    fileListArea.addEventListener('dragleave', () => {
+      fileListArea.classList.remove('drop-hover');
+    });
+    fileListArea.addEventListener('drop', e => {
+      e.preventDefault();
+      fileListArea.classList.remove('drop-hover');
+      uploadArea.dispatchEvent(new DragEvent('drop', {
+        dataTransfer: e.dataTransfer,
+        bubbles: true,
+        cancelable: true
+      }));
+    });
+  }
+
+  // App subsystems
+  initDragAndDrop();
+  loadSidebarOrder();
+  loadHeaderOrder();
+  initFileActions();
+  initUpload();
+  loadFolderTree();
+
+  // Only run trash/restore for admins
+  const isAdmin =
+    localStorage.getItem('isAdmin') === '1' || localStorage.getItem('isAdmin') === 'true';
+  if (isAdmin) {
+    setupTrashRestoreDelete();
+  }
+
+  // Small help tooltip toggle
+  const helpBtn = document.getElementById("folderHelpBtn");
+  const helpTooltip = document.getElementById("folderHelpTooltip");
+  if (helpBtn && helpTooltip) {
+    helpBtn.addEventListener("click", () => {
+      helpTooltip.style.display =
+        helpTooltip.style.display === "block" ? "none" : "block";
+    });
+  }
+}
+
+/* =========================
+   LOGOUT (shared)
+   ========================= */
+export function triggerLogout() {
+  const clearWelcomeFlags = () => {
+    try {
+      // one-per-tab toast guard
+      sessionStorage.removeItem('__fr_welcomed');
+      // if you also used the per-user (all-tabs) guard, clear that too:
+      const u = localStorage.getItem('username') || '';
+      if (u) localStorage.removeItem(`__fr_welcomed_${u}`);
+    } catch { }
+  };
+
+  _nativeFetch("/api/auth/logout.php", {
+    method: "POST",
+    credentials: "include",
+    headers: { "X-CSRF-Token": getCsrfToken() }
+  })
+    .then(() => {
+      clearWelcomeFlags();
+      window.location.reload(true);
+    })
+    .catch(() => {
+      // even if the request fails, clear the flags so the next login can toast
+      clearWelcomeFlags();
+      window.location.reload(true);
+    });
+}
+
+/* =========================
+   Global UX guard (unchanged)
+   ========================= */
+window.addEventListener("unhandledrejection", (ev) => {
+  const msg = (ev?.reason && ev.reason.message) || "";
+  if (msg === "auth") {
+    showToast(t("please_sign_in_again") || "Please sign in again.", "error");
+    ev.preventDefault();
+  } else if (msg === "forbidden") {
+    showToast(t("no_access_to_resource") || "You don’t have access to that.", "error");
+    ev.preventDefault();
+  }
+});

public/js/auth.js

@@ -1,15 +1,15 @@
-import { sendRequest } from './networkUtils.js';
-import { t, applyTranslations } from './i18n.js';
+import { sendRequest } from './networkUtils.js?v={{APP_QVER}}';
+import { t, applyTranslations } from './i18n.js?v={{APP_QVER}}';
 import {
   toggleVisibility,
   showToast as originalShowToast,
   attachEnterKeyListener,
   showCustomConfirmModal
-} from './domUtils.js';
-import { loadFileList } from './fileListView.js';
-import { initFileActions } from './fileActions.js';
-import { renderFileTable } from './fileListView.js';
-import { loadFolderTree } from './folderManager.js';
+} from './domUtils.js?v={{APP_QVER}}';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
+import { initFileActions } from './fileActions.js?v={{APP_QVER}}';
+import { renderFileTable } from './fileListView.js?v={{APP_QVER}}';
+import { loadFolderTree } from './folderManager.js?v={{APP_QVER}}';
 import {
   openTOTPLoginModal as originalOpenTOTPLoginModal,
   openUserPanel,
@@ -17,9 +17,9 @@ import {
   closeTOTPModal,
   setLastLoginData,
   openApiModal
-} from './authModals.js';
-import { openAdminPanel } from './adminPanel.js';
-import { initializeApp, triggerLogout } from './main.js';
+} from './authModals.js?v={{APP_QVER}}';
+import { openAdminPanel } from './adminPanel.js?v={{APP_QVER}}';
+import { initializeApp, triggerLogout } from './appCore.js?v={{APP_QVER}}';
 
 // Production OIDC configuration (override via API as needed)
 const currentOIDCConfig = {
@@ -31,6 +31,49 @@ const currentOIDCConfig = {
 };
 window.currentOIDCConfig = currentOIDCConfig;
 
+
+
+(function installToastFilter() {
+  const isDemoHost = location.hostname.toLowerCase() === 'demo.filerise.net';
+
+  window.__FR_TOAST_FILTER__ = function (msgKeyOrText) {
+    // Suppress the nag while doing TOTP step-up
+    if (window.pendingTOTP && (msgKeyOrText === 'please_log_in_to_continue' ||
+      /please log in/i.test(String(msgKeyOrText)))) {
+      return null; // suppress
+    }
+
+    // Demo host
+    if (isDemoHost && (msgKeyOrText === 'please_log_in_to_continue' ||
+      /please log in/i.test(String(msgKeyOrText)))) {
+      return "Demo site — use:\nUsername: demo\nPassword: demo";
+    }
+
+    // Try to translate keys; pass through plain text
+    try {
+      const maybe = t(msgKeyOrText);
+      if (typeof maybe === 'string' && maybe !== msgKeyOrText) return maybe;
+    } catch { }
+    return msgKeyOrText;
+  };
+})();
+
+function queueWelcomeToast(name) {
+  const uname = String(name || '').trim().slice(0, 80);
+  if (!uname) return;
+  // show immediately (if we don’t reload instantly)
+  try {
+    window.dispatchEvent(new CustomEvent('filerise:toast', {
+      detail: { message: `Welcome back, ${uname}!`, duration: 2000 }
+    }));
+  } catch { }
+
+  // and persist for after-reload (flushed by main.js on boot)
+  try {
+    sessionStorage.setItem('welcomeMessage', `Welcome back, ${uname}!`);
+  } catch { }
+}
+
 /* ----------------- TOTP & Toast Overrides ----------------- */
 // detect if we’re in a pending‑TOTP state
 window.pendingTOTP = new URLSearchParams(window.location.search).get('totp_required') === '1';
@@ -72,45 +115,51 @@ const originalFetch = window.fetch;
  * @param {object} options
  * @returns {Promise<Response>}
  */
+
 export async function fetchWithCsrf(url, options = {}) {
-  // 1) Merge in credentials + header
-  options = {
-    credentials: 'include',
-    ...options,
-  };
+  const original = window.fetch.bind(window);
+  const wantJson = (options.headers && /json/i.test(options.headers['Content-Type'] || '')) || typeof options.body === 'string' && options.body.trim().startsWith('{');
+
+  options = { credentials: 'include', ...options };
   options.headers = {
-    ...(options.headers || {}),
-    'X-CSRF-Token': window.csrfToken,
+    'Accept': 'application/json',
+    ...(options.headers || {})
   };
-
-  // 2) First attempt
-  let res = await originalFetch(url, options);
-
-  // 3) If we got a 403, try to refresh token & retry
-  if (res.status === 403) {
-    // 3a) See if the server gave us a new token header
-    let newToken = res.headers.get('X-CSRF-Token');
-    // 3b) Otherwise fall back to the /api/auth/token endpoint
-    if (!newToken) {
-      const tokRes = await originalFetch('/api/auth/token.php', { credentials: 'include' });
-      if (tokRes.ok) {
-        const body = await tokRes.json();
-        newToken = body.csrf_token;
-      }
-    }
-    if (newToken) {
-      // 3c) Update global + meta
-      window.csrfToken = newToken;
-      const meta = document.querySelector('meta[name="csrf-token"]');
-      if (meta) meta.content = newToken;
-
-      // 3d) Retry the original request with the new token
-      options.headers['X-CSRF-Token'] = newToken;
-      res = await originalFetch(url, options);
-    }
+  if (window.csrfToken) {
+    options.headers['X-CSRF-Token'] = window.csrfToken;
   }
 
-  // 4) Return the real Response—no body peeking here!
+  async function retryWithFreshCsrf(asFormFallback = false) {
+    const tokRes = await original('/api/auth/token.php', { credentials: 'include' });
+    if (tokRes.ok) {
+      const body = await tokRes.json().catch(() => ({}));
+      if (body?.csrf_token) {
+        window.csrfToken = body.csrf_token;
+        const meta = document.querySelector('meta[name="csrf-token"]');
+        if (meta) meta.content = body.csrf_token;
+        options.headers['X-CSRF-Token'] = body.csrf_token;
+      }
+    }
+    if (asFormFallback && wantJson) {
+      // convert JSON body into x-www-form-urlencoded
+      const orig = options.body && typeof options.body === 'string' ? JSON.parse(options.body) : {};
+      options.body = toFormBody(orig);
+      options.headers['Content-Type'] = 'application/x-www-form-urlencoded';
+    }
+    return original(url, options);
+  }
+
+  let res = await original(url, options);
+
+  // If API doesn’t like JSON or token is stale
+  if (res.status === 400 || res.status === 403 || res.status === 415) {
+    // 1) retry with fresh CSRF keeping same encoding
+    res = await retryWithFreshCsrf(false);
+    if (!res.ok && wantJson) {
+      // 2) retry again as form-encoded
+      res = await retryWithFreshCsrf(true);
+    }
+  }
   return res;
 }
 
@@ -180,7 +229,7 @@ function updateLoginOptionsUIFromStorage() {
 }
 
 export function loadAdminConfigFunc() {
-  return fetch("/api/admin/getConfig.php", { credentials: "include" })
+  return fetch("/api/siteConfig.php", { credentials: "include" })
     .then(async (response) => {
       // If a proxy or some edge returns 204/empty, handle gracefully
       let config = {};
@@ -191,13 +240,13 @@ export function loadAdminConfigFunc() {
 
       document.title = headerTitle;
       const lo = config.loginOptions || {};
-      localStorage.setItem("disableFormLogin",  String(!!lo.disableFormLogin));
-      localStorage.setItem("disableBasicAuth",  String(!!lo.disableBasicAuth));
-      localStorage.setItem("disableOIDCLogin",  String(!!lo.disableOIDCLogin));
-      localStorage.setItem("globalOtpauthUrl",  config.globalOtpauthUrl || "otpauth://totp/{label}?secret={secret}&issuer=FileRise");
+      localStorage.setItem("disableFormLogin", String(!!lo.disableFormLogin));
+      localStorage.setItem("disableBasicAuth", String(!!lo.disableBasicAuth));
+      localStorage.setItem("disableOIDCLogin", String(!!lo.disableOIDCLogin));
+      localStorage.setItem("globalOtpauthUrl", config.globalOtpauthUrl || "otpauth://totp/{label}?secret={secret}&issuer=FileRise");
       // These may be absent for non-admins; default them
-      localStorage.setItem("authBypass",        String(!!lo.authBypass));
-      localStorage.setItem("authHeaderName",    lo.authHeaderName || "X-Remote-User");
+      localStorage.setItem("authBypass", String(!!lo.authBypass));
+      localStorage.setItem("authHeaderName", lo.authHeaderName || "X-Remote-User");
 
       updateLoginOptionsUIFromStorage();
 
@@ -253,14 +302,14 @@ export async function updateAuthenticatedUI(data) {
   if (loading) loading.remove();
 
   // 2) Show main UI
-  document.querySelector('.main-wrapper').style.display    = '';
-  document.getElementById('loginForm').style.display       = 'none';
+  document.querySelector('.main-wrapper').style.display = '';
+  document.getElementById('loginForm').style.display = 'none';
   toggleVisibility("loginForm", false);
   toggleVisibility("mainOperations", true);
   toggleVisibility("uploadFileForm", true);
   toggleVisibility("fileListContainer", true);
-  attachEnterKeyListener("removeUserModal",   "deleteUserBtn");
-  attachEnterKeyListener("changePasswordModal","saveNewPasswordBtn");
+  attachEnterKeyListener("removeUserModal", "deleteUserBtn");
+  attachEnterKeyListener("changePasswordModal", "saveNewPasswordBtn");
   document.querySelector(".header-buttons").style.visibility = "visible";
 
   // 3) Persist auth flags (unchanged)
@@ -271,9 +320,9 @@ export async function updateAuthenticatedUI(data) {
     localStorage.setItem("username", data.username);
   }
   if (typeof data.folderOnly !== "undefined") {
-    localStorage.setItem("folderOnly",   data.folderOnly   ? "true" : "false");
-    localStorage.setItem("readOnly",     data.readOnly     ? "true" : "false");
-    localStorage.setItem("disableUpload",data.disableUpload? "true" : "false");
+    localStorage.setItem("folderOnly", data.folderOnly ? "true" : "false");
+    localStorage.setItem("readOnly", data.readOnly ? "true" : "false");
+    localStorage.setItem("disableUpload", data.disableUpload ? "true" : "false");
   }
 
   // 4) Fetch up-to-date profile picture — ALWAYS overwrite localStorage
@@ -282,7 +331,7 @@ export async function updateAuthenticatedUI(data) {
 
   // 5) Build / update header buttons
   const headerButtons = document.querySelector(".header-buttons");
-  const firstButton   = headerButtons.firstElementChild;
+  const firstButton = headerButtons.firstElementChild;
 
   // a) restore-from-trash for admins
   if (data.isAdmin) {
@@ -290,8 +339,8 @@ export async function updateAuthenticatedUI(data) {
     if (!r) {
       r = document.createElement("button");
       r.id = "restoreFilesBtn";
-      r.classList.add("btn","btn-warning");
-      r.setAttribute("data-i18n-title","trash_restore_delete");
+      r.classList.add("btn", "btn-warning");
+      r.setAttribute("data-i18n-title", "trash_restore_delete");
       r.innerHTML = '<i class="material-icons">restore_from_trash</i>';
       if (firstButton) insertAfter(r, firstButton);
       else headerButtons.appendChild(r);
@@ -308,8 +357,8 @@ export async function updateAuthenticatedUI(data) {
     if (!a) {
       a = document.createElement("button");
       a.id = "adminPanelBtn";
-      a.classList.add("btn","btn-info");
-      a.setAttribute("data-i18n-title","admin_panel");
+      a.classList.add("btn", "btn-info");
+      a.setAttribute("data-i18n-title", "admin_panel");
       a.innerHTML = '<i class="material-icons">admin_panel_settings</i>';
       insertAfter(a, document.getElementById("restoreFilesBtn"));
       a.addEventListener("click", openAdminPanel);
@@ -330,19 +379,19 @@ export async function updateAuthenticatedUI(data) {
       : `<i class="material-icons">account_circle</i>`;
 
     // fallback username if missing
-    const usernameText = data.username 
-      || localStorage.getItem("username") 
+    const usernameText = data.username
+      || localStorage.getItem("username")
       || "";
 
     if (!dd) {
       dd = document.createElement("div");
-      dd.id    = "userDropdown";
+      dd.id = "userDropdown";
       dd.classList.add("user-dropdown");
 
       // toggle button
       const toggle = document.createElement("button");
-      toggle.id    = "userDropdownToggle";
-      toggle.classList.add("btn","btn-user");
+      toggle.id = "userDropdownToggle";
+      toggle.classList.add("btn", "btn-user");
       toggle.setAttribute("title", t("user_settings"));
       toggle.innerHTML = `
         ${avatarHTML}
@@ -464,6 +513,14 @@ function checkAuthentication(showLoginToast = true) {
         }
         updateAuthenticatedUI(data);
         return data;
+
+        // at the end of updateAuthenticatedUI(data)
+        if (!window.__FR_FLAGS?.initialized && typeof initializeApp === 'function') {
+          initializeApp();
+          window.__FR_FLAGS.initialized = true;
+        }
+        if (typeof applyTranslations === 'function') applyTranslations();
+        if (typeof updateLoginOptionsUIFromStorage === 'function') updateLoginOptionsUIFromStorage();
       } else {
         const overlay = document.getElementById('loadingOverlay');
         if (overlay) overlay.remove();
@@ -484,53 +541,162 @@ function checkAuthentication(showLoginToast = true) {
 }
 
 /* ----------------- Authentication Submission ----------------- */
+async function primeCsrfStrict() {
+  const r = await fetch('/api/auth/token.php', { credentials: 'include' });
+  const j = await r.json().catch(() => ({}));
+  if (!r.ok || !j.csrf_token) throw new Error('CSRF missing');
+  window.csrfToken = j.csrf_token;
+  const m = document.querySelector('meta[name="csrf-token"]');
+  if (m) m.content = j.csrf_token;
+}
+
+function toFormBody(obj) {
+  const p = new URLSearchParams();
+  for (const [k, v] of Object.entries(obj || {})) p.set(k, v == null ? '' : String(v));
+  return p.toString();
+}
+
+async function safeJson(res) {
+  const ct = res.headers.get('content-type') || '';
+  if (!/application\/json/i.test(ct)) return null;
+  try { return await res.clone().json(); } catch { return null; }
+}
+
+async function sniffTOTP(res, bodyMaybe) {
+  if (res.headers.get('X-TOTP-Required') === '1') return true;
+  if (res.redirected && /[?&]totp_required=1\b/.test(res.url)) return true;
+  const body = bodyMaybe ?? await safeJson(res);
+  if (body && (body.totp_required || body.error === 'TOTP_REQUIRED')) return true;
+  try {
+    const txt = await res.clone().text();
+    if (/\btotp_required\s*=\s*1\b/i.test(txt)) return true;
+  } catch { }
+  return false;
+}
+
+async function isAuthedNow() {
+  try {
+    const r = await fetch('/api/auth/checkAuth.php', { credentials: 'include' });
+    const j = await r.json().catch(() => ({}));
+    return !!j.authenticated;
+  } catch { return false; }
+}
+
+function rafTick(times = 2) {
+  return new Promise(res => {
+    const step = () => { if (--times <= 0) res(); else requestAnimationFrame(step); };
+    requestAnimationFrame(step);
+  });
+}
+
+async function fetchAuthSnapshot() {
+  try {
+    const r = await fetch('/api/auth/checkAuth.php', { credentials: 'include' });
+    return await r.json();
+  } catch { return {}; }
+}
+
+async function syncPermissionsToLocalStorage() {
+  try {
+    const r = await fetch('/api/getUserPermissions.php', { credentials: 'include' });
+    const perm = await r.json();
+    if (perm && typeof perm === 'object') {
+      localStorage.setItem('folderOnly', perm.folderOnly ? 'true' : 'false');
+      localStorage.setItem('readOnly', perm.readOnly ? 'true' : 'false');
+      localStorage.setItem('disableUpload', perm.disableUpload ? 'true' : 'false');
+    }
+  } catch { /* non-fatal */ }
+}
+
+// ——— main ———
+let __loginInFlight = false;
+
 async function submitLogin(data) {
-  setLastLoginData(data);
-  window.__lastLoginData = data;
+  if (__loginInFlight) return;
+  __loginInFlight = true;
+
+  const payload = {
+    username: String(data.username || '').trim(),
+    password: String(data.password || '').trim(),
+    remember_me: data.remember_me ? 1 : 0
+  };
+
+  setLastLoginData(payload);
+  window.__lastLoginData = payload;
 
   try {
-    // ─── 1) Get CSRF for the initial auth call ───
-    let res = await fetch("/api/auth/token.php", { credentials: "include" });
-    if (!res.ok) throw new Error("Could not fetch CSRF token");
-    window.csrfToken = (await res.json()).csrf_token;
+    await primeCsrfStrict();
 
-    // ─── 2) Send credentials ───
-    const response = await sendRequest(
-      "/api/auth/auth.php",
-      "POST",
-      data,
-      { "X-CSRF-Token": window.csrfToken }
-    );
+    // Attempt #1 — JSON
+    let res = await fetchWithCsrf('/api/auth/auth.php', {
+      method: 'POST',
+      credentials: 'include',
+      headers: { 'Content-Type': 'application/json', 'Accept': 'application/json' },
+      body: JSON.stringify(payload)
+    });
+    let body = await safeJson(res);
 
-    // ─── 3a) Full login (no TOTP) ───
-    if (response.success || response.status === "ok") {
-      sessionStorage.setItem("welcomeMessage", "Welcome back, " + data.username + "!");
-      // … fetch permissions & reload …
+    // TOTP requested?
+    if (await sniffTOTP(res, body)) {
+      try { await primeCsrfStrict(); } catch { }
+      window.pendingTOTP = true;
       try {
-        const perm = await sendRequest("/api/getUserPermissions.php", "GET");
-        if (perm && typeof perm === "object") {
-          localStorage.setItem("folderOnly", perm.folderOnly ? "true" : "false");
-          localStorage.setItem("readOnly", perm.readOnly ? "true" : "false");
-          localStorage.setItem("disableUpload", perm.disableUpload ? "true" : "false");
-        }
+        const auth = await import('/js/auth.js?v={{APP_QVER}}');
+        if (typeof auth.openTOTPLoginModal === 'function') auth.openTOTPLoginModal();
       } catch { }
-      return window.location.reload();
+      return;
     }
 
-    // ─── 3b) TOTP required ───
-    if (response.totp_required) {
-      // **Refresh** CSRF before the TOTP verify call
-      res = await fetch("/api/auth/token.php", { credentials: "include" });
-      if (res.ok) {
-        window.csrfToken = (await res.json()).csrf_token;
-      }
-      // now open the modal—any totp_verify fetch from here on will use the new token
-      return openTOTPLoginModal();
+    // Full success (no TOTP)
+    if (body && (body.success || body.status === 'ok' || body.authenticated)) {
+
+      await syncPermissionsToLocalStorage();
+      return afterLogin();
     }
 
-    // ─── 3c) Too many attempts ───
-    if (response.error && response.error.includes("Too many failed login attempts")) {
-      showToast(response.error);
+    // Cookie set but non-JSON body — double check session
+    if (!body && await isAuthedNow()) {
+
+      await syncPermissionsToLocalStorage();
+
+      return afterLogin();
+    }
+
+    // Attempt #2 — form fallback
+    res = await fetchWithCsrf('/api/auth/auth.php', {
+      method: 'POST',
+      credentials: 'include',
+      headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'Accept': 'application/json' },
+      body: toFormBody(payload)
+    });
+    body = await safeJson(res);
+
+    if (await sniffTOTP(res, body)) {
+      try { await primeCsrfStrict(); } catch { }
+      window.pendingTOTP = true;
+      try {
+        const auth = await import('/js/auth.js?v={{APP_QVER}}');
+        if (typeof auth.openTOTPLoginModal === 'function') auth.openTOTPLoginModal();
+      } catch { }
+      return;
+    }
+
+    if (body && (body.success || body.status === 'ok' || body.authenticated)) {
+      await syncPermissionsToLocalStorage();
+
+      return afterLogin();
+    }
+
+    if (!body && await isAuthedNow()) {
+
+      await syncPermissionsToLocalStorage();
+
+      return afterLogin();
+    }
+
+    // Rate limit still respected
+    if (body?.error && /Too many failed login attempts/i.test(body.error)) {
+      showToast(body.error);
       const btn = document.querySelector("#authForm button[type='submit']");
       if (btn) {
         btn.disabled = true;
@@ -542,12 +708,12 @@ async function submitLogin(data) {
       return;
     }
 
-    // ─── 3d) Other failures ───
-    showToast("Login failed: " + (response.error || "Unknown error"));
+    showToast('Login failed' + (body?.error ? `: ${body.error}` : ''));
 
-  } catch (err) {
-    const msg = err.message || err.error || "Unknown error";
-    showToast(`Login failed: ${msg}`);
+  } catch (e) {
+    showToast('Login failed: ' + (e.message || 'Unknown error'));
+  } finally {
+    __loginInFlight = false;
   }
 }
 
@@ -763,4 +929,4 @@ document.addEventListener("DOMContentLoaded", function () {
   }
 });
 
-export { initAuth, checkAuthentication };
+export { initAuth, checkAuthentication, openTOTPLoginModal };

public/js/authModals.js

@@ -1,7 +1,7 @@
-import { showToast, toggleVisibility, attachEnterKeyListener } from './domUtils.js';
-import { sendRequest } from './networkUtils.js';
-import { t, applyTranslations, setLocale } from './i18n.js';
-import { loadAdminConfigFunc, updateAuthenticatedUI } from './auth.js';
+import { showToast, toggleVisibility, attachEnterKeyListener } from './domUtils.js?v={{APP_QVER}}';
+import { sendRequest } from './networkUtils.js?v={{APP_QVER}}';
+import { t, applyTranslations, setLocale } from './i18n.js?v={{APP_QVER}}';
+import { loadAdminConfigFunc, updateAuthenticatedUI } from './auth.js?v={{APP_QVER}}';
 
 let lastLoginData = null;
 export function setLastLoginData(data) {
@@ -328,10 +328,19 @@ export async function openUserPanel() {
     const langSel = document.createElement('select');
     langSel.id = 'languageSelector';
     langSel.className = 'form-select';
-    ['en', 'es', 'fr', 'de'].forEach(code => {
+    const languages = [
+      { code: 'en',    labelKey: 'english',             fallback: 'English' },
+      { code: 'es',    labelKey: 'spanish',             fallback: 'Español' },
+      { code: 'fr',    labelKey: 'french',              fallback: 'Français' },
+      { code: 'de',    labelKey: 'german',              fallback: 'Deutsch' },
+      { code: 'zh-CN', labelKey: 'chinese_simplified',  fallback: '简体中文' },
+    ];
+    
+    languages.forEach(({ code, labelKey, fallback }) => {
       const opt = document.createElement('option');
       opt.value = code;
-      opt.textContent = t(code === 'en' ? 'english' : code === 'es' ? 'spanish' : code === 'fr' ? 'french' : 'german');
+      // use i18n if available, otherwise fallback
+      opt.textContent = (typeof t === 'function' ? t(labelKey) : '') || fallback;
       langSel.appendChild(opt);
     });
     langSel.value = localStorage.getItem('language') || 'en';

public/js/defer-css.js

@@ -0,0 +1,31 @@
+// /public/js/defer-css.js
+// Promote preloaded styles to real stylesheets (CSP-safe) and expose a load promise.
+(function () {
+  if (window.__CSS_PROMISE__) return;
+
+  var loads = [];
+
+  // Promote <link rel="preload" as="style"> IN-PLACE
+  var preloads = document.querySelectorAll('link[rel="preload"][as="style"]');
+  for (var i = 0; i < preloads.length; i++) {
+    var l = preloads[i];
+    // resolve when it finishes loading as a stylesheet
+    loads.push(new Promise(function (res) { l.addEventListener('load', res, { once: true }); }));
+    l.rel = 'stylesheet';
+    if (!l.media || l.media === 'print') l.media = 'all'; // be explicit
+    l.removeAttribute('as'); // keep some engines happy about "used" preload
+  }
+
+  // Also wait for any existing <link rel="stylesheet"> that haven't finished yet
+  var styles = document.querySelectorAll('link[rel="stylesheet"]');
+  for (var j = 0; j < styles.length; j++) {
+    var s = styles[j];
+    if (s.sheet) continue; // already applied
+    loads.push(new Promise(function (res) { s.addEventListener('load', res, { once: true }); }));
+  }
+
+  // Safari quirk: nudge layout so promoted sheets apply immediately
+  void document.documentElement.offsetHeight;
+
+  window.__CSS_PROMISE__ = Promise.all(loads);
+})();

public/js/domUtils.js

@@ -1,6 +1,6 @@
 // domUtils.js
-import { t } from './i18n.js';
-import { openDownloadModal } from './fileActions.js';
+import { t } from './i18n.js?v={{APP_QVER}}';
+import { openDownloadModal } from './fileActions.js?v={{APP_QVER}}';
 
 // Basic DOM Helpers
 export function toggleVisibility(elementId, shouldShow) {

public/js/fileActions.js

@@ -1,8 +1,8 @@
 // fileActions.js
-import { showToast, attachEnterKeyListener } from './domUtils.js';
-import { loadFileList } from './fileListView.js';
-import { formatFolderName } from './fileListView.js';
-import { t } from './i18n.js';
+import { showToast, attachEnterKeyListener } from './domUtils.js?v={{APP_QVER}}';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
+import { formatFolderName } from './fileListView.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
 
 export function handleDeleteSelected(e) {
   e.preventDefault();
@@ -31,6 +31,7 @@ document.addEventListener("DOMContentLoaded", function () {
 
   const confirmDelete = document.getElementById("confirmDeleteFiles");
   if (confirmDelete) {
+    confirmDelete.setAttribute("data-default", "");
     confirmDelete.addEventListener("click", function () {
       fetch("/api/file/deleteFiles.php", {
         method: "POST",
@@ -316,6 +317,7 @@ document.addEventListener("DOMContentLoaded", () => {
 
   // 2) Confirm button kicks off the zip+download
   if (confirmZipBtn) {
+    confirmZipBtn.setAttribute("data-default", "");
     confirmZipBtn.addEventListener("click", async () => {
       // a) Validate ZIP filename
       let zipName = document.getElementById("zipFileNameInput").value.trim();
@@ -478,6 +480,7 @@ document.addEventListener("DOMContentLoaded", function () {
   }
   const confirmCopy = document.getElementById("confirmCopyFiles");
   if (confirmCopy) {
+    confirmCopy.setAttribute("data-default", "");
     confirmCopy.addEventListener("click", function () {
       const targetFolder = document.getElementById("copyTargetFolder").value;
       if (!targetFolder) {
@@ -529,6 +532,7 @@ document.addEventListener("DOMContentLoaded", function () {
   }
   const confirmMove = document.getElementById("confirmMoveFiles");
   if (confirmMove) {
+    confirmMove.setAttribute("data-default", "");
     confirmMove.addEventListener("click", function () {
       const targetFolder = document.getElementById("moveTargetFolder").value;
       if (!targetFolder) {
@@ -598,6 +602,7 @@ document.addEventListener("DOMContentLoaded", () => {
 
   const submitBtn = document.getElementById("submitRenameFile");
   if (submitBtn) {
+    submitBtn.setAttribute("data-default", "");
     submitBtn.addEventListener("click", function () {
       const newName = document.getElementById("newFileName").value.trim();
       if (!newName || newName === window.fileToRename) {

public/js/fileDragDrop.js

@@ -1,6 +1,6 @@
 // fileDragDrop.js
-import { showToast } from './domUtils.js';
-import { loadFileList } from './fileListView.js';
+import { showToast } from './domUtils.js?v={{APP_QVER}}';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
 
 export function fileDragStartHandler(event) {
   const row = event.currentTarget;

public/js/fileEditor.js

@@ -1,147 +1,180 @@
 // fileEditor.js
-import { escapeHTML, showToast } from './domUtils.js';
-import { loadFileList } from './fileListView.js';
-import { t } from './i18n.js';
+import { escapeHTML, showToast } from './domUtils.js?v={{APP_QVER}}';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
+import { buildPreviewUrl } from './filePreview.js?v={{APP_QVER}}';
 
 // thresholds for editor behavior
 const EDITOR_PLAIN_THRESHOLD = 5 * 1024 * 1024;  // >5 MiB => force plain text, lighter settings
 const EDITOR_BLOCK_THRESHOLD = 10 * 1024 * 1024; // >10 MiB => block editing
 
-// Lazy-load CodeMirror modes on demand
-const CM_CDN = "https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.5/";
-const MODE_URL = {
-  // core you've likely already loaded:
-  "xml": "mode/xml/xml.min.js",
-  "css": "mode/css/css.min.js",
-  "javascript": "mode/javascript/javascript.min.js",
+// ==== CodeMirror lazy loader ===============================================
+const CM_BASE = "/vendor/codemirror/5.65.5/";
 
-  // extras you may want on-demand:
-  "htmlmixed": "mode/htmlmixed/htmlmixed.min.js",
-  "application/x-httpd-php": "mode/php/php.min.js",
-  "php": "mode/php/php.min.js",
-  "markdown": "mode/markdown/markdown.min.js",
-  "python": "mode/python/python.min.js",
-  "sql": "mode/sql/sql.min.js",
-  "shell": "mode/shell/shell.min.js",
-  "yaml": "mode/yaml/yaml.min.js",
-  "properties": "mode/properties/properties.min.js",
-  "text/x-csrc": "mode/clike/clike.min.js",
-  "text/x-c++src": "mode/clike/clike.min.js",
-  "text/x-java": "mode/clike/clike.min.js",
-  "text/x-csharp": "mode/clike/clike.min.js",
-  "text/x-kotlin": "mode/clike/clike.min.js"
+// Stamp-friendly helpers (the stamper will replace {{APP_QVER}})
+const coreUrl = (p) => `${CM_BASE}${p}?v={{APP_QVER}}`;
+
+const CORE = {
+  js: coreUrl("codemirror.min.js"),
+  css: coreUrl("codemirror.min.css"),
+  themeCss: coreUrl("theme/material-darker.min.css"),
 };
 
+// Which mode file to load for a given name/mime
+const MODE_URL = {
+  // core/common
+  "xml": "mode/xml/xml.min.js?v={{APP_QVER}}",
+  "css": "mode/css/css.min.js?v={{APP_QVER}}",
+  "javascript": "mode/javascript/javascript.min.js?v={{APP_QVER}}",
+
+  // meta / combos
+  "htmlmixed": "mode/htmlmixed/htmlmixed.min.js?v={{APP_QVER}}",
+  "application/x-httpd-php": "mode/php/php.min.js?v={{APP_QVER}}",
+
+  // docs / data
+  "markdown": "mode/markdown/markdown.min.js?v={{APP_QVER}}",
+  "yaml": "mode/yaml/yaml.min.js?v={{APP_QVER}}",
+  "properties": "mode/properties/properties.min.js?v={{APP_QVER}}",
+  "sql": "mode/sql/sql.min.js?v={{APP_QVER}}",
+
+  // shells
+  "shell": "mode/shell/shell.min.js?v={{APP_QVER}}",
+
+  // languages
+  "python": "mode/python/python.min.js?v={{APP_QVER}}",
+  "text/x-csrc": "mode/clike/clike.min.js?v={{APP_QVER}}",
+  "text/x-c++src": "mode/clike/clike.min.js?v={{APP_QVER}}",
+  "text/x-java": "mode/clike/clike.min.js?v={{APP_QVER}}",
+  "text/x-csharp": "mode/clike/clike.min.js?v={{APP_QVER}}",
+  "text/x-kotlin": "mode/clike/clike.min.js?v={{APP_QVER}}"
+};
+
+// Mode dependency graph
+const MODE_DEPS = {
+  "htmlmixed": ["xml", "javascript", "css"],
+  "application/x-httpd-php": ["htmlmixed", "text/x-csrc"], // php overlays + clike bits
+  "markdown": ["xml"]
+};
+
+// Map any mime/alias to the key we use in MODE_URL
+function normalizeModeName(modeOption) {
+  const name = typeof modeOption === "string" ? modeOption : (modeOption && modeOption.name);
+  if (!name) return null;
+  if (name === "text/html") return "htmlmixed";          // CodeMirror uses htmlmixed for HTML
+  if (name === "php") return "application/x-httpd-php";  // prefer the full mime
+  return name;
+}
+
+const _loadedScripts = new Set();
+const _loadedCss = new Set();
+let _corePromise = null;
+
 function loadScriptOnce(url) {
   return new Promise((resolve, reject) => {
-    const key = `cm:${url}`;
-    let s = document.querySelector(`script[data-key="${key}"]`);
-    if (s) {
-      if (s.dataset.loaded === "1") return resolve();
-      s.addEventListener("load", () => resolve());
-      s.addEventListener("error", reject);
-      return;
-    }
-    s = document.createElement("script");
+    if (_loadedScripts.has(url)) return resolve();
+    const s = document.createElement("script");
     s.src = url;
-    s.defer = true;
-    s.dataset.key = key;
-    s.addEventListener("load", () => { s.dataset.loaded = "1"; resolve(); });
-    s.addEventListener("error", reject);
+    s.async = true;
+    s.onload = () => { _loadedScripts.add(url); resolve(); };
+    s.onerror = () => reject(new Error(`Load failed: ${url}`));
     document.head.appendChild(s);
   });
 }
 
-async function ensureModeLoaded(modeOption) {
-  if (!window.CodeMirror) return; // CM core must be present
-  const name = typeof modeOption === "string" ? modeOption : (modeOption && modeOption.name);
-  if (!name) return;
-  // Already registered?
-  if ((CodeMirror.modes && CodeMirror.modes[name]) || (CodeMirror.mimeModes && CodeMirror.mimeModes[name])) {
-    return;
-  }
-  const url = MODE_URL[name];
-  if (!url) return; // unknown -> fallback to text/plain
-  // Dependencies (htmlmixed needs xml/css/js; php highlighting with HTML also benefits from htmlmixed)
-  if (name === "htmlmixed") {
-    await Promise.all([
-      ensureModeLoaded("xml"),
-      ensureModeLoaded("css"),
-      ensureModeLoaded("javascript")
-    ]);
-  }
-  if (name === "application/x-httpd-php") {
-    await ensureModeLoaded("htmlmixed");
-  }
-  await loadScriptOnce(CM_CDN + url);
+function loadCssOnce(href) {
+  return new Promise((resolve, reject) => {
+    if (_loadedCss.has(href)) return resolve();
+    const l = document.createElement("link");
+    l.rel = "stylesheet";
+    l.href = href;
+    l.onload = () => { _loadedCss.add(href); resolve(); };
+    l.onerror = () => reject(new Error(`Load failed: ${href}`));
+    document.head.appendChild(l);
+  });
 }
 
+async function ensureCore() {
+  if (_corePromise) return _corePromise;
+  _corePromise = (async () => {
+    // load CSS first to avoid FOUC
+    await loadCssOnce(CORE.css);
+    await loadCssOnce(CORE.themeCss);
+    if (!window.CodeMirror) {
+      await loadScriptOnce(CORE.js);
+    }
+  })();
+  return _corePromise;
+}
+
+async function loadSingleMode(name) {
+  const rel = MODE_URL[name];
+  if (!rel) return;
+  // prepend base if needed
+  const url = rel.startsWith("http") ? rel : (rel.startsWith("/") ? rel : (CM_BASE + rel));
+  await loadScriptOnce(url);
+}
+
+function isModeRegistered(name) {
+  return !!(
+    (window.CodeMirror?.modes && window.CodeMirror.modes[name]) ||
+    (window.CodeMirror?.mimeModes && window.CodeMirror.mimeModes[name])
+  );
+}
+
+async function ensureModeLoaded(modeOption) {
+  await ensureCore();
+  const name = normalizeModeName(modeOption);
+  if (!name) return;
+  if (isModeRegistered(name)) return;
+  const deps = MODE_DEPS[name] || [];
+  for (const d of deps) {
+    if (!isModeRegistered(d)) await loadSingleMode(d);
+  }
+  await loadSingleMode(name);
+}
+
+// Public helper for callers (we keep your existing function name in use):
+const MODE_LOAD_TIMEOUT_MS = 2500; // allow closing immediately; don't wait forever
+// ==== /CodeMirror lazy loader ===============================================
+
 function getModeForFile(fileName) {
   const dot = fileName.lastIndexOf(".");
   const ext = dot >= 0 ? fileName.slice(dot + 1).toLowerCase() : "";
 
   switch (ext) {
-    // markup
     case "html":
-    case "htm":
-      return "text/html";                 // ensureModeLoaded will map to htmlmixed
-    case "xml":
-      return "xml";
+    case "htm": return "text/html";
+    case "xml": return "xml";
     case "md":
-    case "markdown":
-      return "markdown";
+    case "markdown": return "markdown";
     case "yml":
-    case "yaml":
-      return "yaml";
-
-    // styles & scripts
-    case "css":
-      return "css";
-    case "js":
-      return "javascript";
-    case "json":
-      return { name: "javascript", json: true };
-
-    // server / langs
-    case "php":
-      return "application/x-httpd-php";
-    case "py":
-      return "python";
-    case "sql":
-      return "sql";
+    case "yaml": return "yaml";
+    case "css": return "css";
+    case "js": return "javascript";
+    case "json": return { name: "javascript", json: true };
+    case "php": return "application/x-httpd-php";
+    case "py": return "python";
+    case "sql": return "sql";
     case "sh":
     case "bash":
     case "zsh":
-    case "bat":
-      return "shell";
-
-    // config-y files
+    case "bat": return "shell";
     case "ini":
     case "conf":
     case "config":
-    case "properties":
-      return "properties";
-
-    // C-family / JVM
+    case "properties": return "properties";
     case "c":
-    case "h":
-      return "text/x-csrc";
+    case "h": return "text/x-csrc";
     case "cpp":
     case "cxx":
     case "hpp":
     case "hh":
-    case "hxx":
-      return "text/x-c++src";
-    case "java":
-      return "text/x-java";
-    case "cs":
-      return "text/x-csharp";
+    case "hxx": return "text/x-c++src";
+    case "java": return "text/x-java";
+    case "cs": return "text/x-csharp";
     case "kt":
-    case "kts":
-      return "text/x-kotlin";
-
-    default:
-      return "text/plain";
+    case "kts": return "text/x-kotlin";
+    default: return "text/plain";
   }
 }
 export { getModeForFile };
@@ -158,138 +191,191 @@ export { adjustEditorSize };
 
 function observeModalResize(modal) {
   if (!modal) return;
-  const resizeObserver = new ResizeObserver(() => {
-    adjustEditorSize();
-  });
+  const resizeObserver = new ResizeObserver(() => adjustEditorSize());
   resizeObserver.observe(modal);
 }
 export { observeModalResize };
 
 export function editFile(fileName, folder) {
+  // destroy any previous editor
   let existingEditor = document.getElementById("editorContainer");
-  if (existingEditor) {
-    existingEditor.remove();
-  }
+  if (existingEditor) existingEditor.remove();
 
   const folderUsed = folder || window.currentFolder || "root";
-  const folderPath = folderUsed === "root"
-    ? "uploads/"
-    : "uploads/" + folderUsed.split("/").map(encodeURIComponent).join("/") + "/";
-  const fileUrl = folderPath + encodeURIComponent(fileName) + "?t=" + new Date().getTime();
+  const fileUrl = buildPreviewUrl(folderUsed, fileName);
 
-  fetch(fileUrl, { method: "HEAD" })
-    .then(response => {
-      const lenHeader =
-        response.headers.get("content-length") ??
-        response.headers.get("Content-Length");
-      const sizeBytes = lenHeader ? parseInt(lenHeader, 10) : null;
+  // Probe size safely via API. Prefer HEAD; if missing Content-Length, fall back to a 1-byte Range GET.
+  async function probeSize(url) {
+    try {
+      const h = await fetch(url, { method: "HEAD", credentials: "include" });
+      const len = h.headers.get("content-length") ?? h.headers.get("Content-Length");
+      if (len && !Number.isNaN(parseInt(len, 10))) return parseInt(len, 10);
+    } catch { }
+    try {
+      const r = await fetch(url, {
+        method: "GET",
+        headers: { Range: "bytes=0-0" },
+        credentials: "include"
+      });
+      // Content-Range: bytes 0-0/12345
+      const cr = r.headers.get("content-range") ?? r.headers.get("Content-Range");
+      const m = cr && cr.match(/\/(\d+)\s*$/);
+      if (m) return parseInt(m[1], 10);
+    } catch { }
+    return null;
+  }
 
+  probeSize(fileUrl)
+    .then(sizeBytes => {
       if (sizeBytes !== null && sizeBytes > EDITOR_BLOCK_THRESHOLD) {
         showToast("This file is larger than 10 MB and cannot be edited in the browser.");
         throw new Error("File too large.");
       }
-      return response;
+      return fetch(fileUrl, { credentials: "include" });
     })
-    .then(() => fetch(fileUrl))
     .then(response => {
-      if (!response.ok) {
-        throw new Error("HTTP error! Status: " + response.status);
-      }
-      const lenHeader =
-        response.headers.get("content-length") ??
-        response.headers.get("Content-Length");
+      if (!response.ok) throw new Error("HTTP error! Status: " + response.status);
+      const lenHeader = response.headers.get("content-length") ?? response.headers.get("Content-Length");
       const sizeBytes = lenHeader ? parseInt(lenHeader, 10) : null;
       return Promise.all([response.text(), sizeBytes]);
     })
     .then(([content, sizeBytes]) => {
-      const forcePlainText =
-        sizeBytes !== null && sizeBytes > EDITOR_PLAIN_THRESHOLD;
+      const forcePlainText = sizeBytes !== null && sizeBytes > EDITOR_PLAIN_THRESHOLD;
 
+      // --- Build modal immediately and wire close controls BEFORE any async loads ---
       const modal = document.createElement("div");
       modal.id = "editorContainer";
       modal.classList.add("modal", "editor-modal");
+      modal.setAttribute("tabindex", "-1"); // for Escape handling
       modal.innerHTML = `
-      <div class="editor-header">
-        <h3 class="editor-title">${t("editing")}: ${escapeHTML(fileName)}${
-          forcePlainText ? " <span style='font-size:.8em;opacity:.7'>(plain text mode)</span>" : ""
-        }</h3>
-        <div class="editor-controls">
-           <button id="decreaseFont" class="btn btn-sm btn-secondary">${t("decrease_font")}</button>
-           <button id="increaseFont" class="btn btn-sm btn-secondary">${t("increase_font")}</button>
+        <div class="editor-header">
+          <h3 class="editor-title">
+            ${t("editing")}: ${escapeHTML(fileName)}
+            ${forcePlainText ? " <span style='font-size:.8em;opacity:.7'>(plain text mode)</span>" : ""}
+          </h3>
+          <div class="editor-controls">
+            <button id="decreaseFont" class="btn btn-sm btn-secondary">${t("decrease_font")}</button>
+            <button id="increaseFont" class="btn btn-sm btn-secondary">${t("increase_font")}</button>
+          </div>
+          <button id="closeEditorX" class="editor-close-btn" aria-label="${t("close")}">&times;</button>
         </div>
-        <button id="closeEditorX" class="editor-close-btn">&times;</button>
-      </div>
-      <textarea id="fileEditor" class="editor-textarea">${escapeHTML(content)}</textarea>
-      <div class="editor-footer">
-        <button id="saveBtn" class="btn btn-primary">${t("save")}</button>
-        <button id="closeBtn" class="btn btn-secondary">${t("close")}</button>
-      </div>
-    `;
+        <textarea id="fileEditor" class="editor-textarea">${escapeHTML(content)}</textarea>
+        <div class="editor-footer">
+          <button id="saveBtn" class="btn btn-primary" data-default disabled>${t("save")} </button>
+          <button id="closeBtn" class="btn btn-secondary">${t("close")}</button>
+        </div>
+      `;
       document.body.appendChild(modal);
       modal.style.display = "block";
+      modal.focus();
 
-      const isDarkMode = document.body.classList.contains("dark-mode");
-      const theme = isDarkMode ? "material-darker" : "default";
-
-      // choose mode + lighter settings for large files
-      const mode = forcePlainText ? "text/plain" : getModeForFile(fileName);
-      const cmOptions = {
-        lineNumbers: !forcePlainText,
-        mode: mode,
-        theme: theme,
-        viewportMargin: forcePlainText ? 20 : Infinity,
-        lineWrapping: false,
+      let canceled = false;
+      const doClose = () => {
+        canceled = true;
+        window.currentEditor = null;
+        modal.remove();
       };
 
-      // ✅ LOAD MODE FIRST, THEN INSTANTIATE CODEMIRROR
-      ensureModeLoaded(mode).finally(() => {
-        const editor = CodeMirror.fromTextArea(
+      // Wire close actions right away
+      modal.addEventListener("keydown", (e) => { if (e.key === "Escape") doClose(); });
+      document.getElementById("closeEditorX").addEventListener("click", doClose);
+      document.getElementById("closeBtn").addEventListener("click", doClose);
+
+      // Keep buttons responsive even before editor exists
+      const decBtn = document.getElementById("decreaseFont");
+      const incBtn = document.getElementById("increaseFont");
+      decBtn.addEventListener("click", () => { });
+      incBtn.addEventListener("click", () => { });
+
+      // Theme + mode selection
+      const isDarkMode = document.body.classList.contains("dark-mode");
+      const theme = isDarkMode ? "material-darker" : "default";
+      const desiredMode = forcePlainText ? "text/plain" : getModeForFile(fileName);
+
+      // Start core+mode loading (don’t block closing)
+      const modePromise = (async () => {
+        await ensureCore();                 // load CM core + CSS
+        if (!forcePlainText) {
+          await ensureModeLoaded(desiredMode); // then load the needed mode + deps
+        }
+      })();
+
+      // Wait up to MODE_LOAD_TIMEOUT_MS; then proceed with whatever is available
+      const timeout = new Promise((res) => setTimeout(res, MODE_LOAD_TIMEOUT_MS));
+
+      Promise.race([modePromise, timeout]).then(() => {
+        if (canceled) return;
+
+        if (!window.CodeMirror) {
+          // Core not present: keep plain <textarea>; enable Save and bail gracefully
+          document.getElementById("saveBtn").disabled = false;
+          observeModalResize(modal);
+          return;
+        }
+
+        const normName = normalizeModeName(desiredMode) || "text/plain";
+        const initialMode = (forcePlainText || !isModeRegistered(normName)) ? "text/plain" : desiredMode;
+
+        const cmOptions = {
+          lineNumbers: !forcePlainText,
+          mode: initialMode,
+          theme,
+          viewportMargin: forcePlainText ? 20 : Infinity,
+          lineWrapping: false
+        };
+
+        const editor = window.CodeMirror.fromTextArea(
           document.getElementById("fileEditor"),
           cmOptions
         );
-
         window.currentEditor = editor;
 
-        setTimeout(() => {
-          adjustEditorSize();
-        }, 50);
-
+        setTimeout(adjustEditorSize, 50);
         observeModalResize(modal);
 
+        // Font controls (now that editor exists)
         let currentFontSize = 14;
-        editor.getWrapperElement().style.fontSize = currentFontSize + "px";
+        const wrapper = editor.getWrapperElement();
+        wrapper.style.fontSize = currentFontSize + "px";
         editor.refresh();
 
-        document.getElementById("closeEditorX").addEventListener("click", function () {
-          modal.remove();
-        });
-
-        document.getElementById("decreaseFont").addEventListener("click", function () {
+        decBtn.addEventListener("click", function () {
           currentFontSize = Math.max(8, currentFontSize - 2);
-          editor.getWrapperElement().style.fontSize = currentFontSize + "px";
+          wrapper.style.fontSize = currentFontSize + "px";
           editor.refresh();
         });
-
-        document.getElementById("increaseFont").addEventListener("click", function () {
+        incBtn.addEventListener("click", function () {
           currentFontSize = Math.min(32, currentFontSize + 2);
-          editor.getWrapperElement().style.fontSize = currentFontSize + "px";
+          wrapper.style.fontSize = currentFontSize + "px";
           editor.refresh();
         });
 
-        document.getElementById("saveBtn").addEventListener("click", function () {
+        // Save
+        const saveBtn = document.getElementById("saveBtn");
+        saveBtn.disabled = false;
+        saveBtn.addEventListener("click", function () {
           saveFile(fileName, folderUsed);
         });
 
-        document.getElementById("closeBtn").addEventListener("click", function () {
-          modal.remove();
-        });
-
+        // Theme switch
         function updateEditorTheme() {
           const isDark = document.body.classList.contains("dark-mode");
           editor.setOption("theme", isDark ? "material-darker" : "default");
         }
         const toggle = document.getElementById("darkModeToggle");
         if (toggle) toggle.addEventListener("click", updateEditorTheme);
+
+        // If we started in plain text due to timeout, flip to the real mode once it arrives
+        modePromise.then(() => {
+          if (!canceled && !forcePlainText) {
+            const nn = normalizeModeName(desiredMode);
+            if (nn && isModeRegistered(nn)) {
+              editor.setOption("mode", desiredMode);
+            }
+          }
+        }).catch(() => {
+          // If the mode truly fails to load, we just stay in plain text
+        });
       });
     })
     .catch(error => {
@@ -298,7 +384,6 @@ export function editFile(fileName, folder) {
     });
 }
 
-
 export function saveFile(fileName, folder) {
   const editor = window.currentEditor;
   if (!editor) {

public/js/fileListView.js

@@ -11,11 +11,11 @@ import {
     updateRowHighlight,
     toggleRowSelection,
     attachEnterKeyListener
-  } from './domUtils.js';
-  import { t } from './i18n.js';
-  import { bindFileListContextMenu } from './fileMenu.js';
-  import { openDownloadModal } from './fileActions.js';
-  import { openTagModal, openMultiTagModal } from './fileTags.js';
+  } from './domUtils.js?v={{APP_QVER}}';
+  import { t } from './i18n.js?v={{APP_QVER}}';
+  import { bindFileListContextMenu } from './fileMenu.js?v={{APP_QVER}}';
+  import { openDownloadModal } from './fileActions.js?v={{APP_QVER}}';
+  import { openTagModal, openMultiTagModal } from './fileTags.js?v={{APP_QVER}}';
   import {
     getParentFolder,
     updateBreadcrumbTitle,
@@ -24,13 +24,13 @@ import {
     hideFolderManagerContextMenu,
     openRenameFolderModal,
     openDeleteFolderModal
-  } from './folderManager.js';
-  import { openFolderShareModal } from './folderShareModal.js';
+  } from './folderManager.js?v={{APP_QVER}}';
+  import { openFolderShareModal } from './folderShareModal.js?v={{APP_QVER}}';
   import {
     folderDragOverHandler,
     folderDragLeaveHandler,
     folderDropHandler
-  } from './fileDragDrop.js';
+  } from './fileDragDrop.js?v={{APP_QVER}}';
   
   export let fileData = [];
   export let sortOrder = { column: "uploaded", ascending: true };
@@ -205,29 +205,84 @@ function wireSelectAll(fileListContent) {
   /**
    * Fuse.js fuzzy search helper
    */
-  function searchFiles(searchTerm) {
-    if (!searchTerm) return fileData;
-  
-    let keys = [
-      { name: 'name', weight: 0.1 },
-      { name: 'uploader', weight: 0.1 },
-      { name: 'tags.name', weight: 0.1 }
-    ];
-    if (window.advancedSearchEnabled) {
-      keys.push({ name: 'content', weight: 0.7 });
-    }
-  
+  // --- Lazy Fuse loader (drop-in, CSP-safe, no inline) ---
+const FUSE_SRC = '/vendor/fuse/6.6.2/fuse.min.js?v={{APP_QVER}}';
+let _fuseLoadingPromise = null;
+
+function loadScriptOnce(src) {
+  // cache by src so we don't append multiple <script> tags
+  if (loadScriptOnce._cache?.has(src)) return loadScriptOnce._cache.get(src);
+  loadScriptOnce._cache = loadScriptOnce._cache || new Map();
+  const p = new Promise((resolve, reject) => {
+    const s = document.createElement('script');
+    s.src = src;
+    s.async = true;
+    s.onload = resolve;
+    s.onerror = () => reject(new Error(`Failed to load ${src}`));
+    document.head.appendChild(s);
+  });
+  loadScriptOnce._cache.set(src, p);
+  return p;
+}
+
+function lazyLoadFuse() {
+  if (window.Fuse) return Promise.resolve(window.Fuse);
+  if (!_fuseLoadingPromise) {
+    _fuseLoadingPromise = loadScriptOnce(FUSE_SRC).then(() => window.Fuse);
+  }
+  return _fuseLoadingPromise;
+}
+
+// (Optional) warm-up call you can trigger from main.js after first render:
+//   import { warmUpSearch } from './fileListView.js?v={{APP_QVER}}';
+//   warmUpSearch();
+// This just starts fetching Fuse in the background.
+export function warmUpSearch() {
+  lazyLoadFuse().catch(() => {/* ignore; we’ll fall back */});
+}
+
+// Lazy + backward-compatible search
+function searchFiles(searchTerm) {
+  if (!searchTerm) return fileData;
+
+  // kick off Fuse load in the background, but don't await
+  lazyLoadFuse().catch(() => { /* ignore */ });
+
+  // keys config (matches your original)
+  const fuseKeys = [
+    { name: 'name',      weight: 0.1 },
+    { name: 'uploader',  weight: 0.1 },
+    { name: 'tags.name', weight: 0.1 }
+  ];
+  if (window.advancedSearchEnabled) {
+    fuseKeys.push({ name: 'content', weight: 0.7 });
+  }
+
+  // If Fuse is present, use it right away (synchronous API)
+  if (window.Fuse) {
     const options = {
-      keys: keys,
+      keys: fuseKeys,
       threshold: 0.4,
       minMatchCharLength: 2,
       ignoreLocation: true
     };
-  
-    const fuse = new Fuse(fileData, options);
-    let results = fuse.search(searchTerm);
-    return results.map(result => result.item);
+    const fuse = new window.Fuse(fileData, options);
+    const results = fuse.search(searchTerm);
+    return results.map(r => r.item);
   }
+
+  // Fallback (first keystrokes before Fuse finishes loading):
+  // simple case-insensitive substring match on the same fields
+  const q = String(searchTerm).toLowerCase();
+  const hay = (v) => (v == null ? '' : String(v)).toLowerCase();
+  return fileData.filter(item => {
+    if (hay(item.name).includes(q)) return true;
+    if (hay(item.uploader).includes(q)) return true;
+    if (Array.isArray(item.tags) && item.tags.some(t => hay(t?.name).includes(q))) return true;
+    if (window.advancedSearchEnabled && hay(item.content).includes(q)) return true;
+    return false;
+  });
+}
   
   /**
    * View mode toggle
@@ -750,7 +805,7 @@ function wireSelectAll(fileListContent) {
     fileListContent.querySelectorAll(".edit-btn").forEach(btn => {
       btn.addEventListener("click", async e => {
         e.stopPropagation();
-        const m = await import('./fileEditor.js');
+        const m = await import('./fileEditor.js?v={{APP_QVER}}');
         m.editFile(btn.dataset.editName, btn.dataset.editFolder);
       });
     });
@@ -759,7 +814,7 @@ function wireSelectAll(fileListContent) {
     fileListContent.querySelectorAll(".rename-btn").forEach(btn => {
       btn.addEventListener("click", async e => {
         e.stopPropagation();
-        const m = await import('./fileActions.js');
+        const m = await import('./fileActions.js?v={{APP_QVER}}');
         m.renameFile(btn.dataset.renameName, btn.dataset.renameFolder);
       });
     });
@@ -768,7 +823,7 @@ function wireSelectAll(fileListContent) {
     fileListContent.querySelectorAll(".preview-btn").forEach(btn => {
       btn.addEventListener("click", async e => {
         e.stopPropagation();
-        const m = await import('./filePreview.js');
+        const m = await import('./filePreview.js?v={{APP_QVER}}');
         m.previewFile(btn.dataset.previewUrl, btn.dataset.previewName);
       });
     });
@@ -822,7 +877,7 @@ function wireSelectAll(fileListContent) {
         const fileName = this.getAttribute("data-file");
         const file = fileData.find(f => f.name === fileName);
         if (file) {
-          import('./filePreview.js').then(module => {
+          import('./filePreview.js?v={{APP_QVER}}').then(module => {
             module.openShareModal(file, folder);
           });
         }
@@ -831,7 +886,7 @@ function wireSelectAll(fileListContent) {
     updateFileActionButtons();
     document.querySelectorAll("#fileList tbody tr").forEach(row => {
       row.setAttribute("draggable", "true");
-      import('./fileDragDrop.js').then(module => {
+      import('./fileDragDrop.js?v={{APP_QVER}}').then(module => {
         row.addEventListener("dragstart", module.fileDragStartHandler);
       });
     });
@@ -1085,7 +1140,7 @@ function wireSelectAll(fileListContent) {
     // preview clicks (dynamic import to avoid global dependency)
     fileListContent.querySelectorAll(".gallery-preview").forEach(el => {
       el.addEventListener("click", async () => {
-        const m = await import('./filePreview.js');
+        const m = await import('./filePreview.js?v={{APP_QVER}}');
         m.previewFile(el.dataset.previewUrl, el.dataset.previewName);
       });
     });
@@ -1102,7 +1157,7 @@ function wireSelectAll(fileListContent) {
     fileListContent.querySelectorAll(".edit-btn").forEach(btn => {
       btn.addEventListener("click", async e => {
         e.stopPropagation();
-        const m = await import('./fileEditor.js');
+        const m = await import('./fileEditor.js?v={{APP_QVER}}');
         m.editFile(btn.dataset.editName, btn.dataset.editFolder);
       });
     });
@@ -1111,7 +1166,7 @@ function wireSelectAll(fileListContent) {
     fileListContent.querySelectorAll(".rename-btn").forEach(btn => {
       btn.addEventListener("click", async e => {
         e.stopPropagation();
-        const m = await import('./fileActions.js');
+        const m = await import('./fileActions.js?v={{APP_QVER}}');
         m.renameFile(btn.dataset.renameName, btn.dataset.renameFolder);
       });
     });
@@ -1123,7 +1178,7 @@ function wireSelectAll(fileListContent) {
         const fileName = btn.dataset.file;
         const fileObj = fileData.find(f => f.name === fileName);
         if (fileObj) {
-          import('./filePreview.js').then(m => m.openShareModal(fileObj, folder));
+          import('./filePreview.js?v={{APP_QVER}}').then(m => m.openShareModal(fileObj, folder));
         }
       });
     });

public/js/fileManager.js

@@ -1,10 +1,10 @@
 // fileManager.js
-import './fileListView.js';
-import './filePreview.js';
-import './fileEditor.js';
-import './fileDragDrop.js';
-import './fileMenu.js';
-import { initFileActions } from './fileActions.js';
+import './fileListView.js?v={{APP_QVER}}';
+import './filePreview.js?v={{APP_QVER}}';
+import './fileEditor.js?v={{APP_QVER}}';
+import './fileDragDrop.js?v={{APP_QVER}}';
+import './fileMenu.js?v={{APP_QVER}}';
+import { initFileActions } from './fileActions.js?v={{APP_QVER}}';
 
 // Initialize file action buttons.
 document.addEventListener("DOMContentLoaded", function () {
@@ -14,7 +14,7 @@ document.addEventListener("DOMContentLoaded", function () {
 // Attach folder drag-and-drop support for folder tree nodes.
 document.addEventListener("DOMContentLoaded", function () {
   document.querySelectorAll(".folder-option").forEach(el => {
-    import('./fileDragDrop.js').then(module => {
+    import('./fileDragDrop.js?v={{APP_QVER}}').then(module => {
       el.addEventListener("dragover", module.folderDragOverHandler);
       el.addEventListener("dragleave", module.folderDragLeaveHandler);
       el.addEventListener("drop", module.folderDropHandler);
@@ -32,7 +32,7 @@ document.addEventListener("keydown", function(e) {
     const selectedCheckboxes = document.querySelectorAll("#fileList .file-checkbox:checked");
     if (selectedCheckboxes.length > 0) {
       e.preventDefault();
-      import('./fileActions.js').then(module => {
+      import('./fileActions.js?v={{APP_QVER}}').then(module => {
         module.handleDeleteSelected(new Event("click"));
       });
     }

public/js/fileMenu.js

@@ -1,11 +1,11 @@
 // fileMenu.js
-import { updateRowHighlight, showToast } from './domUtils.js';
-import { handleDeleteSelected, handleCopySelected, handleMoveSelected, handleDownloadZipSelected, handleExtractZipSelected, renameFile, openCreateFileModal } from './fileActions.js';
-import { previewFile } from './filePreview.js';
-import { editFile } from './fileEditor.js';
-import { canEditFile, fileData } from './fileListView.js';
-import { openTagModal, openMultiTagModal } from './fileTags.js';
-import { t } from './i18n.js';
+import { updateRowHighlight, showToast } from './domUtils.js?v={{APP_QVER}}';
+import { handleDeleteSelected, handleCopySelected, handleMoveSelected, handleDownloadZipSelected, handleExtractZipSelected, renameFile, openCreateFileModal } from './fileActions.js?v={{APP_QVER}}';
+import { previewFile, buildPreviewUrl } from './filePreview.js?v={{APP_QVER}}';
+import { editFile } from './fileEditor.js?v={{APP_QVER}}';
+import { canEditFile, fileData } from './fileListView.js?v={{APP_QVER}}';
+import { openTagModal, openMultiTagModal } from './fileTags.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
 
 export function showFileContextMenu(x, y, menuItems) {
   let menu = document.getElementById("fileContextMenu");
@@ -39,11 +39,11 @@ export function showFileContextMenu(x, y, menuItems) {
     });
     menu.appendChild(menuItem);
   });
-  
+
   menu.style.left = x + "px";
   menu.style.top = y + "px";
   menu.style.display = "block";
-  
+
   const menuRect = menu.getBoundingClientRect();
   const viewportHeight = window.innerHeight;
   if (menuRect.bottom > viewportHeight) {
@@ -62,7 +62,7 @@ export function hideFileContextMenu() {
 
 export function fileListContextMenuHandler(e) {
   e.preventDefault();
-  
+
   let row = e.target.closest("tr");
   if (row) {
     const checkbox = row.querySelector(".file-checkbox");
@@ -71,9 +71,9 @@ export function fileListContextMenuHandler(e) {
       updateRowHighlight(checkbox);
     }
   }
-  
+
   const selected = Array.from(document.querySelectorAll("#fileList .file-checkbox:checked")).map(chk => chk.value);
-  
+
   let menuItems = [
     { label: t("create_file"), action: () => openCreateFileModal() },
     { label: t("delete_selected"), action: () => { handleDeleteSelected(new Event("click")); } },
@@ -81,14 +81,14 @@ export function fileListContextMenuHandler(e) {
     { label: t("move_selected"), action: () => { handleMoveSelected(new Event("click")); } },
     { label: t("download_zip"), action: () => { handleDownloadZipSelected(new Event("click")); } }
   ];
-  
+
   if (selected.some(name => name.toLowerCase().endsWith(".zip"))) {
     menuItems.push({
       label: t("extract_zip"),
       action: () => { handleExtractZipSelected(new Event("click")); }
     });
   }
-  
+
   if (selected.length > 1) {
     menuItems.push({
       label: t("tag_selected"),
@@ -100,36 +100,33 @@ export function fileListContextMenuHandler(e) {
   }
   else if (selected.length === 1) {
     const file = fileData.find(f => f.name === selected[0]);
-    
+
     menuItems.push({
       label: t("preview"),
       action: () => {
         const folder = window.currentFolder || "root";
-        const folderPath = folder === "root"
-          ? "uploads/"
-          : "uploads/" + folder.split("/").map(encodeURIComponent).join("/") + "/";
-        previewFile(folderPath + encodeURIComponent(file.name) + "?t=" + new Date().getTime(), file.name);
+        previewFile(buildPreviewUrl(folder, file.name), file.name);
       }
     });
-    
+
     if (canEditFile(file.name)) {
       menuItems.push({
         label: t("edit"),
         action: () => { editFile(selected[0], window.currentFolder); }
       });
     }
-    
+
     menuItems.push({
       label: t("rename"),
       action: () => { renameFile(selected[0], window.currentFolder); }
     });
-    
+
     menuItems.push({
       label: t("tag_file"),
       action: () => { openTagModal(file); }
     });
   }
-  
+
   showFileContextMenu(e.clientX, e.clientY, menuItems);
 }
 
@@ -140,7 +137,7 @@ export function bindFileListContextMenu() {
   }
 }
 
-document.addEventListener("click", function(e) {
+document.addEventListener("click", function (e) {
   const menu = document.getElementById("fileContextMenu");
   if (menu && menu.style.display === "block") {
     hideFileContextMenu();
@@ -148,9 +145,9 @@ document.addEventListener("click", function(e) {
 });
 
 // Rebind context menu after file table render.
-(function() {
+(function () {
   const originalRenderFileTable = window.renderFileTable;
-  window.renderFileTable = function(folder) {
+  window.renderFileTable = function (folder) {
     originalRenderFileTable(folder);
     bindFileListContextMenu();
   };

public/js/filePreview.js

@@ -1,7 +1,13 @@
 // filePreview.js
-import { escapeHTML, showToast } from './domUtils.js';
-import { fileData } from './fileListView.js';
-import { t } from './i18n.js';
+import { escapeHTML, showToast } from './domUtils.js?v={{APP_QVER}}';
+import { fileData } from './fileListView.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
+
+// Build a preview URL that always goes through the API layer (respects ACLs/UPLOAD_DIR)
+export function buildPreviewUrl(folder, name) {
+  const f = (!folder || folder === '') ? 'root' : String(folder);
+  return `/api/file/download.php?folder=${encodeURIComponent(f)}&file=${encodeURIComponent(name)}&inline=1&t=${Date.now()}`;
+}
 
 export function openShareModal(file, folder) {
   // Remove any existing modal
@@ -92,10 +98,10 @@ export function openShareModal(file, folder) {
 
       if (sel.value === "custom") {
         value = parseInt(document.getElementById("customExpirationValue").value, 10);
-        unit  = document.getElementById("customExpirationUnit").value;
+        unit = document.getElementById("customExpirationUnit").value;
       } else {
         value = parseInt(sel.value, 10);
-        unit  = "minutes";
+        unit = "minutes";
       }
 
       const password = document.getElementById("sharePassword").value;
@@ -115,20 +121,20 @@ export function openShareModal(file, folder) {
           password
         })
       })
-      .then(res => res.json())
-      .then(data => {
-        if (data.token) {
-          const url = `${window.location.origin}/api/file/share.php?token=${encodeURIComponent(data.token)}`;
-          document.getElementById("shareLinkInput").value = url;
-          document.getElementById("shareLinkDisplay").style.display = "block";
-        } else {
-          showToast(t("error_generating_share") + ": " + (data.error||"Unknown"));
-        }
-      })
-      .catch(err => {
-        console.error(err);
-        showToast(t("error_generating_share"));
-      });
+        .then(res => res.json())
+        .then(data => {
+          if (data.token) {
+            const url = `${window.location.origin}/api/file/share.php?token=${encodeURIComponent(data.token)}`;
+            document.getElementById("shareLinkInput").value = url;
+            document.getElementById("shareLinkDisplay").style.display = "block";
+          } else {
+            showToast(t("error_generating_share") + ": " + (data.error || "Unknown"));
+          }
+        })
+        .catch(err => {
+          console.error(err);
+          showToast(t("error_generating_share"));
+        });
     });
 
   // Copy to clipboard
@@ -272,10 +278,7 @@ export function previewFile(fileUrl, fileName) {
         modal.galleryCurrentIndex = (modal.galleryCurrentIndex - 1 + modal.galleryImages.length) % modal.galleryImages.length;
         let newFile = modal.galleryImages[modal.galleryCurrentIndex];
         modal.querySelector("h4").textContent = newFile.name;
-        img.src = ((window.currentFolder === "root")
-          ? "uploads/"
-          : "uploads/" + window.currentFolder.split("/").map(encodeURIComponent).join("/") + "/")
-          + encodeURIComponent(newFile.name) + "?t=" + new Date().getTime();
+        img.src = buildPreviewUrl(window.currentFolder || 'root', newFile.name);
         // Reset transforms.
         img.dataset.scale = 1;
         img.dataset.rotate = 0;
@@ -355,10 +358,7 @@ export function previewFile(fileUrl, fileName) {
         modal.galleryCurrentIndex = (modal.galleryCurrentIndex + 1) % modal.galleryImages.length;
         let newFile = modal.galleryImages[modal.galleryCurrentIndex];
         modal.querySelector("h4").textContent = newFile.name;
-        img.src = ((window.currentFolder === "root")
-          ? "uploads/"
-          : "uploads/" + window.currentFolder.split("/").map(encodeURIComponent).join("/") + "/")
-          + encodeURIComponent(newFile.name) + "?t=" + new Date().getTime();
+        img.src = buildPreviewUrl(window.currentFolder || 'root', newFile.name);
         // Reset transforms.
         img.dataset.scale = 1;
         img.dataset.rotate = 0;
@@ -416,26 +416,26 @@ export function previewFile(fileUrl, fileName) {
     }
   } else {
     // Handle non-image file previews.
-  if (extension === "pdf") {
-    // build a cache‐busted URL
-    const separator = fileUrl.includes('?') ? '&' : '?';
-    const urlWithTs = fileUrl + separator + 't=' + Date.now();
-  
-    // open in a new tab (avoids CSP frame-ancestors)
-    window.open(urlWithTs, "_blank");
-  
-    // tear down the just-created modal
-    const modal = document.getElementById("filePreviewModal");
-    if (modal) modal.remove();
-  
-    // stop further preview logic
-    return;
-  } else if (/\.(mp4|mkv|webm|mov|ogv)$/i.test(fileName)) {
+    if (extension === "pdf") {
+      // build a cache‐busted URL
+      const separator = fileUrl.includes('?') ? '&' : '?';
+      const urlWithTs = fileUrl + separator + 't=' + Date.now();
+
+      // open in a new tab (avoids CSP frame-ancestors)
+      window.open(urlWithTs, "_blank");
+
+      // tear down the just-created modal
+      const modal = document.getElementById("filePreviewModal");
+      if (modal) modal.remove();
+
+      // stop further preview logic
+      return;
+    } else if (/\.(mp4|mkv|webm|mov|ogv)$/i.test(fileName)) {
       const video = document.createElement("video");
       video.src = fileUrl;
       video.controls = true;
       video.className = "image-modal-img";
-      
+
       const progressKey = 'videoProgress-' + fileUrl;
       video.addEventListener("loadedmetadata", () => {
         const savedTime = localStorage.getItem(progressKey);

public/js/fileTags.js

@@ -3,9 +3,9 @@
 // adding tags to files (with a global tag store for reuse),
 // updating the file row display with tag badges,
 // filtering the file list by tag, and persisting tag data.
-import { escapeHTML } from './domUtils.js';
-import { t } from './i18n.js';
-import { renderFileTable, renderGalleryView } from './fileListView.js';
+import { escapeHTML } from './domUtils.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
+import { renderFileTable, renderGalleryView } from './fileListView.js?v={{APP_QVER}}';
 
 export function openTagModal(file) {
   // Create the modal element.

public/js/folderManager.js

@@ -1,11 +1,11 @@
 // folderManager.js
 
-import { loadFileList } from './fileListView.js';
-import { showToast, escapeHTML, attachEnterKeyListener } from './domUtils.js';
-import { t } from './i18n.js';
-import { openFolderShareModal } from './folderShareModal.js';
-import { fetchWithCsrf } from './auth.js';
-import { loadCsrfToken } from './main.js';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
+import { showToast, escapeHTML, attachEnterKeyListener } from './domUtils.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
+import { openFolderShareModal } from './folderShareModal.js?v={{APP_QVER}}';
+import { fetchWithCsrf } from './auth.js?v={{APP_QVER}}';
+import { loadCsrfToken } from './appCore.js?v={{APP_QVER}}';
 
 /* ----------------------
    Helpers: safe JSON + state
@@ -86,26 +86,27 @@ export function getParentFolder(folder) {
     Breadcrumb Functions
  ----------------------*/
 
+ function setControlEnabled(el, enabled) {
+  if (!el) return;
+  if ('disabled' in el) el.disabled = !enabled;
+  el.classList.toggle('disabled', !enabled);
+  el.setAttribute('aria-disabled', String(!enabled));
+  el.style.pointerEvents = enabled ? '' : 'none';
+  el.style.opacity = enabled ? '' : '0.5';
+}
+
 async function applyFolderCapabilities(folder) {
-  try {
-    const res = await fetch(`/api/folder/capabilities.php?folder=${encodeURIComponent(folder)}`, { credentials: 'include' });
-    if (!res.ok) return;
-    const caps = await res.json();
+  const res = await fetch(`/api/folder/capabilities.php?folder=${encodeURIComponent(folder)}`, { credentials: 'include' });
+  if (!res.ok) return;
+  const caps = await res.json();
+  window.currentFolderCaps = caps;
 
-    // top buttons
-    const createBtn  = document.getElementById('createFolderBtn');
-    const renameBtn  = document.getElementById('renameFolderBtn');
-    const deleteBtn  = document.getElementById('deleteFolderBtn');
-    const shareBtn   = document.getElementById('shareFolderBtn');
-
-    if (createBtn) createBtn.disabled = !caps.canCreate;
-    if (renameBtn) renameBtn.disabled = !caps.canRename || folder === 'root';
-    if (deleteBtn) deleteBtn.disabled = !caps.canDelete || folder === 'root';
-    if (shareBtn)  shareBtn.disabled  = !caps.canShare  || folder === 'root';
-
-    // keep for later if you want context menu to reflect caps
-    window.currentFolderCaps = caps;
-  } catch {}
+  const isRoot   = (folder === 'root');
+  setControlEnabled(document.getElementById('createFolderBtn'), !!caps.canCreate);
+  setControlEnabled(document.getElementById('moveFolderBtn'), !!caps.canMoveFolder);
+  setControlEnabled(document.getElementById('renameFolderBtn'), !isRoot && !!caps.canRename);
+  setControlEnabled(document.getElementById('deleteFolderBtn'), !isRoot && !!caps.canDelete);
+  setControlEnabled(document.getElementById('shareFolderBtn'), !isRoot && !!caps.canShareFolder);
 }
 
 // --- Breadcrumb Delegation Setup ---
@@ -146,6 +147,7 @@ function breadcrumbClickHandler(e) {
   document.querySelectorAll(".folder-option").forEach(el => el.classList.remove("selected"));
   const target = document.querySelector(`.folder-option[data-folder="${folder}"]`);
   if (target) target.classList.add("selected");
+  applyFolderCapabilities(window.currentFolder);
 
   loadFileList(folder);
 }
@@ -179,6 +181,49 @@ function breadcrumbDropHandler(e) {
     console.error("Invalid drag data on breadcrumb:", err);
     return;
   }
+  /* FOLDER MOVE FALLBACK */
+  if (!dragData) {
+    const plain = (event.dataTransfer && event.dataTransfer.getData("application/x-filerise-folder")) ||
+                  (event.dataTransfer && event.dataTransfer.getData("text/plain")) || "";
+    if (plain) {
+      const sourceFolder = String(plain).trim();
+      if (sourceFolder && sourceFolder !== "root") {
+        if (dropFolder === sourceFolder || (dropFolder + "/").startsWith(sourceFolder + "/")) {
+          showToast("Invalid destination.", 4000);
+          return;
+        }
+        fetchWithCsrf("/api/folder/moveFolder.php", {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          credentials: "include",
+          body: JSON.stringify({ source: sourceFolder, destination: dropFolder })
+        })
+          .then(safeJson)
+          .then(data => {
+            if (data && !data.error) {
+              showToast(`Folder moved to ${dropFolder}!`);
+              if (window.currentFolder && (window.currentFolder === sourceFolder || window.currentFolder.startsWith(sourceFolder + "/"))) {
+                const base = sourceFolder.split("/").pop();
+                const newPath = (dropFolder === "root" ? "" : dropFolder + "/") + base;
+                window.currentFolder = newPath;
+              }
+              return loadFolderTree().then(() => {
+                try { expandTreePath(window.currentFolder || "root"); } catch (_) {}
+                loadFileList(window.currentFolder || "root");
+              });
+            } else {
+              showToast("Error: " + (data && data.error || "Could not move folder"), 5000);
+            }
+          })
+          .catch(err => {
+            console.error("Error moving folder:", err);
+            showToast("Error moving folder", 5000);
+          });
+      }
+    }
+    return;
+  }
+
   const filesToMove = dragData.files ? dragData.files : (dragData.fileName ? [dragData.fileName] : []);
   if (filesToMove.length === 0) return;
 
@@ -261,7 +306,7 @@ function renderFolderTree(tree, parentPath = "", defaultDisplay = "block") {
     } else {
       html += `<span class="folder-indent-placeholder"></span>`;
     }
-    html += `<span class="folder-option" data-folder="${fullPath}">${escapeHTML(folder)}</span>`;
+    html += `<span class="folder-option" draggable="true" data-folder="${fullPath}">${escapeHTML(folder)}</span>`;
     if (hasChildren) {
       html += renderFolderTree(tree[folder], fullPath, displayState);
     }
@@ -311,13 +356,58 @@ function folderDropHandler(event) {
   event.preventDefault();
   event.currentTarget.classList.remove("drop-hover");
   const dropFolder = event.currentTarget.getAttribute("data-folder");
-  let dragData;
+  let dragData = null;
   try {
-    dragData = JSON.parse(event.dataTransfer.getData("application/json"));
-  } catch (e) {
+    const jsonStr = event.dataTransfer.getData("application/json") || "";
+    if (jsonStr) dragData = JSON.parse(jsonStr);
+  } 
+ catch (e) {
     console.error("Invalid drag data", e);
     return;
   }
+  /* FOLDER MOVE FALLBACK */
+  if (!dragData) {
+    const plain = (event.dataTransfer && event.dataTransfer.getData("application/x-filerise-folder")) ||
+                  (event.dataTransfer && event.dataTransfer.getData("text/plain")) || "";
+    if (plain) {
+      const sourceFolder = String(plain).trim();
+      if (sourceFolder && sourceFolder !== "root") {
+        if (dropFolder === sourceFolder || (dropFolder + "/").startsWith(sourceFolder + "/")) {
+          showToast("Invalid destination.", 4000);
+          return;
+        }
+        fetchWithCsrf("/api/folder/moveFolder.php", {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          credentials: "include",
+          body: JSON.stringify({ source: sourceFolder, destination: dropFolder })
+        })
+          .then(safeJson)
+          .then(data => {
+            if (data && !data.error) {
+              showToast(`Folder moved to ${dropFolder}!`);
+              if (window.currentFolder && (window.currentFolder === sourceFolder || window.currentFolder.startsWith(sourceFolder + "/"))) {
+                const base = sourceFolder.split("/").pop();
+                const newPath = (dropFolder === "root" ? "" : dropFolder + "/") + base;
+                window.currentFolder = newPath;
+              }
+              return loadFolderTree().then(() => {
+                try { expandTreePath(window.currentFolder || "root"); } catch (_) {}
+                loadFileList(window.currentFolder || "root");
+              });
+            } else {
+              showToast("Error: " + (data && data.error || "Could not move folder"), 5000);
+            }
+          })
+          .catch(err => {
+            console.error("Error moving folder:", err);
+            showToast("Error moving folder", 5000);
+          });
+      }
+    }
+    return;
+  }
+
   const filesToMove = dragData.files ? dragData.files : (dragData.fileName ? [dragData.fileName] : []);
   if (filesToMove.length === 0) return;
 
@@ -458,6 +548,14 @@ export async function loadFolderTree(selectedFolder) {
 
     // Attach drag/drop event listeners.
     container.querySelectorAll(".folder-option").forEach(el => {
+      // Provide folder path payload for folder->folder DnD
+      el.addEventListener("dragstart", (ev) => {
+        const src = el.getAttribute("data-folder");
+        try { ev.dataTransfer.setData("application/x-filerise-folder", src); } catch (e) {}
+        try { ev.dataTransfer.setData("text/plain", src); } catch (e) {}
+        ev.dataTransfer.effectAllowed = "move";
+      });
+
       el.addEventListener("dragover", folderDragOverHandler);
       el.addEventListener("dragleave", folderDragLeaveHandler);
       el.addEventListener("drop", folderDropHandler);
@@ -486,6 +584,14 @@ export async function loadFolderTree(selectedFolder) {
 
     // Folder-option click: update selection, breadcrumbs, and file list
     container.querySelectorAll(".folder-option").forEach(el => {
+      // Provide folder path payload for folder->folder DnD
+      el.addEventListener("dragstart", (ev) => {
+        const src = el.getAttribute("data-folder");
+        try { ev.dataTransfer.setData("application/x-filerise-folder", src); } catch (e) {}
+        try { ev.dataTransfer.setData("text/plain", src); } catch (e) {}
+        ev.dataTransfer.effectAllowed = "move";
+      });
+
       el.addEventListener("click", function (e) {
         e.stopPropagation();
         container.querySelectorAll(".folder-option").forEach(item => item.classList.remove("selected"));
@@ -641,6 +747,44 @@ if (submitRename) {
   });
 }
 
+// === Move Folder Modal helper (shared by button + context menu) ===
+function openMoveFolderUI(sourceFolder) {
+  const modal     = document.getElementById('moveFolderModal');
+  const targetSel = document.getElementById('moveFolderTarget');
+
+  // If you right-clicked a different folder than currently selected, use that
+  if (sourceFolder && sourceFolder !== 'root') {
+    window.currentFolder = sourceFolder;
+  }
+
+  // Fill target dropdown
+  if (targetSel) {
+    targetSel.innerHTML = '';
+    fetch('/api/folder/getFolderList.php', { credentials: 'include' })
+      .then(r => r.json())
+      .then(list => {
+        if (Array.isArray(list) && list.length && typeof list[0] === 'object' && list[0].folder) {
+          list = list.map(it => it.folder);
+        }
+        // Root option
+        const rootOpt = document.createElement('option');
+        rootOpt.value = 'root'; rootOpt.textContent = '(Root)';
+        targetSel.appendChild(rootOpt);
+
+        (list || [])
+          .filter(f => f && f !== 'trash' && f !== (window.currentFolder || ''))
+          .forEach(f => {
+            const o = document.createElement('option');
+            o.value = f; o.textContent = f;
+            targetSel.appendChild(o);
+          });
+      })
+      .catch(()=>{ /* no-op */ });
+  }
+
+  if (modal) modal.style.display = 'block';
+}
+
 export function openDeleteFolderModal() {
   const selectedFolder = window.currentFolder || "root";
   if (!selectedFolder || selectedFolder === "root") {
@@ -824,6 +968,7 @@ function folderManagerContextMenuHandler(e) {
   const folder = target.getAttribute("data-folder");
   if (!folder) return;
   window.currentFolder = folder;
+  applyFolderCapabilities(window.currentFolder);
 
   // Visual selection
   document.querySelectorAll(".folder-option, .breadcrumb-link").forEach(el => el.classList.remove("selected"));
@@ -839,6 +984,10 @@ function folderManagerContextMenuHandler(e) {
         if (input) input.focus();
       }
     },
+    {
+      label: t("move_folder"),
+      action: () => { openMoveFolderUI(folder); }
+    },
     {
       label: t("rename_folder"),
       action: () => { openRenameFolderModal(); }
@@ -921,4 +1070,53 @@ document.addEventListener("DOMContentLoaded", function () {
 });
 
 // Initial context menu delegation bind
-bindFolderManagerContextMenu();
+bindFolderManagerContextMenu();
+
+document.addEventListener("DOMContentLoaded", () => {
+  const moveBtn   = document.getElementById('moveFolderBtn');
+  const modal     = document.getElementById('moveFolderModal');
+  const targetSel = document.getElementById('moveFolderTarget');
+  const cancelBtn = document.getElementById('cancelMoveFolder');
+  const confirmBtn= document.getElementById('confirmMoveFolder');
+
+  if (moveBtn) {
+    moveBtn.addEventListener('click', () => {
+      const cf = window.currentFolder || 'root';
+      if (!cf || cf === 'root') { showToast('Select a non-root folder to move.'); return; }
+      openMoveFolderUI(cf);
+    });
+  }
+
+  if (cancelBtn) cancelBtn.addEventListener('click', () => { if (modal) modal.style.display = 'none'; });
+
+  if (confirmBtn) confirmBtn.addEventListener('click', async () => {
+    if (!targetSel) return;
+    const destination = targetSel.value;
+    const source      = window.currentFolder;
+
+    if (!destination) { showToast('Pick a destination'); return; }
+    if (destination === source || (destination + '/').startsWith(source + '/')) {
+      showToast('Invalid destination'); return;
+    }
+
+    try {
+      const res = await fetch('/api/folder/moveFolder.php', {
+        method: 'POST', credentials: 'include',
+        headers: { 'Content-Type': 'application/json', 'X-CSRF-Token': window.csrfToken },
+        body: JSON.stringify({ source, destination })
+      });
+      const data = await safeJson(res);
+      if (res.ok && data && !data.error) {
+        showToast('Folder moved');
+        if (modal) modal.style.display='none';
+        await loadFolderTree();
+        const base = source.split('/').pop();
+        const newPath = (destination === 'root' ? '' : destination + '/') + base;
+        window.currentFolder = newPath;
+        loadFileList(window.currentFolder || 'root');
+      } else {
+        showToast('Error: ' + (data && data.error || 'Move failed'));
+      }
+    } catch (e) { console.error(e); showToast('Move failed'); }
+  });
+});

public/js/folderShareModal.js

@@ -1,6 +1,6 @@
 // js/folderShareModal.js
-import { escapeHTML, showToast } from './domUtils.js';
-import { t } from './i18n.js';
+import { escapeHTML, showToast } from './domUtils.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
 
 export function openFolderShareModal(folder) {
   // Remove any existing modal

public/js/i18n.js

@@ -216,6 +216,7 @@ const translations = {
     "spanish": "Spanish",
     "french": "French",
     "german": "German",
+    "chinese_simplified": "Chinese (Simplified)",
     "use_totp_code_instead": "Use TOTP Code instead",
     "submit_recovery_code": "Submit Recovery Code",
     "please_enter_recovery_code": "Please enter your recovery code.",
@@ -246,7 +247,7 @@ const translations = {
     "login_options": "Login Options",
     "disable_login_form": "Disable Login Form",
     "disable_basic_http_auth": "Disable Basic HTTP Auth",
-    "disable_oidc_login": "Disable OIDC Login",
+    "disable_oidc_login": "Disable OIDC Login (OIDC Config Required to enable)",
     "save_settings": "Save Settings",
     "at_least_one_login_method": "At least one login method must remain enabled.",
     "settings_updated_successfully": "Settings updated successfully.",
@@ -275,7 +276,33 @@ const translations = {
     "newfile_placeholder": "New file name",
     "file_created_successfully": "File created successfully!",
     "error_creating_file": "Error creating file",
-    "file_created":          "File created successfully!"
+    "file_created": "File created successfully!",
+    "no_access_to_resource": "You do not have access to this resource.",
+    "can_share": "Can Share",
+    "bypass_ownership": "Bypass Ownership",
+    "error_loading_user_grants": "Error loading user grants",
+    "click_to_edit": "Click to edit",
+    "folder_access": "Folder Access",
+    "move_folder": "Move Folder",
+    "move_folder_message": "Select a destination folder to move this folder to:",
+    "move_folder_title": "Move this folder",
+    "move_folder_success": "Folder moved successfully.",
+    "move_folder_error": "Error moving folder.",
+    "move_folder_invalid": "Invalid source or destination folder.",
+    "move_folder_denied": "You do not have permission to move this folder.",
+    "move_folder_same_dest": "Destination cannot be the source or one of its subfolders.",
+    "move_folder_same_owner": "Source and destination must have the same owner.",
+    "move_folder_confirm": "Are you sure you want to move this folder?",
+    "move_folder_select_dest": "Select a destination folder",
+    "move_folder_select_dest_help": "Choose where this folder should be moved to.",
+    "acl_move_folder_label": "Move Folder (source)",
+    "acl_move_folder_help": "Allows moving this folder to a different parent. Requires Manage or Ownership on the folder.",
+    "acl_move_in_label": "Allow Moves Into This Folder (destination)",
+    "acl_move_in_help": "Allows items or folders from elsewhere to be moved into this folder. Requires Manage on the destination folder.",
+    "acl_move_folder_info": "Moving folders is restricted to folder owners or managers. Destination folders must also allow moves in.",
+    "context_move_folder": "Move Folder...",
+    "context_move_here": "Move Here",
+    "context_move_cancel": "Cancel Move"
   },
   es: {
     "please_log_in_to_continue": "Por favor, inicie sesión para continuar.",
@@ -458,6 +485,7 @@ const translations = {
     "spanish": "Español",
     "french": "Francés",
     "german": "Alemán",
+    "chinese_simplified": "Chino (simplificado)",
     "use_totp_code_instead": "Usar código TOTP en su lugar",
     "submit_recovery_code": "Enviar código de recuperación",
     "please_enter_recovery_code": "Por favor, ingrese su código de recuperación.",
@@ -686,6 +714,7 @@ const translations = {
     "spanish": "Espagnol",
     "french": "Français",
     "german": "Allemand",
+    "chinese_simplified": "Chinois (simplifié)",
     "use_totp_code_instead": "Utiliser le code TOTP à la place",
     "submit_recovery_code": "Soumettre le code de récupération",
     "please_enter_recovery_code": "Veuillez entrer votre code de récupération.",
@@ -923,6 +952,7 @@ const translations = {
     "spanish": "Spanisch",
     "french": "Französisch",
     "german": "Deutsch",
+    "chinese_simplified": "Chinesisch (vereinfacht)",
     "use_totp_code_instead": "Stattdessen TOTP-Code verwenden",
     "submit_recovery_code": "Wiederherstellungscode absenden",
     "please_enter_recovery_code": "Bitte geben Sie Ihren Wiederherstellungscode ein.",
@@ -972,7 +1002,275 @@ const translations = {
     "show": "Zeige",
     "items_per_page": "elemente pro seite",
     "columns": "Spalten"
+  },
+  "zh-CN": {
+    "please_log_in_to_continue": "请登录以继续。",
+    "no_files_selected": "未选择文件。",
+    "confirm_delete_files": "确定要删除所选的 {count} 个文件吗？",
+    "element_not_found": "未找到 ID 为 \"{id}\" 的元素。",
+    "search_placeholder": "搜索文件、标签和上传者…",
+    "search_placeholder_advanced": "高级搜索：文件、标签、上传者和内容…",
+    "basic_search_tooltip": "基础搜索：按文件名、标签和上传者搜索。",
+    "advanced_search_tooltip": "高级搜索：包括文件内容、文件名、标签和上传者。",
+    "file_name": "文件名",
+    "date_modified": "修改日期",
+    "upload_date": "上传日期",
+    "file_size": "文件大小",
+    "uploader": "上传者",
+    "enter_totp_code": "输入 TOTP 验证码",
+    "use_recovery_code_instead": "改用恢复代码",
+    "enter_recovery_code": "输入恢复代码",
+    "editing": "正在编辑",
+    "decrease_font": "A-",
+    "increase_font": "A+",
+    "save": "保存",
+    "close": "关闭",
+    "no_files_found": "未找到文件。",
+    "switch_to_table_view": "切换到表格视图",
+    "switch_to_gallery_view": "切换到图库视图",
+    "share_file": "分享文件",
+    "set_expiration": "设置到期时间：",
+    "password_optional": "密码（可选）：",
+    "generate_share_link": "生成分享链接",
+    "shareable_link": "可分享链接：",
+    "copy_link": "复制链接",
+    "tag_file": "标记文件",
+    "tag_name": "标签名称：",
+    "tag_color": "标签颜色：",
+    "save_tag": "保存标签",
+    "light_mode": "浅色模式",
+    "dark_mode": "深色模式",
+    "upload_instruction": "将文件/文件夹拖到此处，或点击“选择文件”",
+    "no_files_selected_default": "未选择文件",
+    "choose_files": "选择文件",
+    "delete_selected": "删除所选",
+    "copy_selected": "复制所选",
+    "move_selected": "移动所选",
+    "tag_selected": "标记所选",
+    "download_zip": "下载 ZIP",
+    "extract_zip": "解压 ZIP",
+    "preview": "预览",
+    "edit": "编辑",
+    "rename": "重命名",
+    "trash_empty": "回收站为空。",
+    "no_trash_selected": "未选择要还原的回收站项目。",
+
+    "title": "FileRise",
+    "header_title": "FileRise",
+    "header_title_text": "标题文本",
+    "logout": "退出登录",
+    "change_password": "更改密码",
+    "restore_text": "还原或",
+    "delete_text": "删除回收站项目",
+    "restore_selected": "还原所选",
+    "restore_all": "全部还原",
+    "delete_selected_trash": "删除所选",
+    "delete_all": "全部删除",
+    "upload_header": "上传文件/文件夹",
+
+    "folder_navigation": "文件夹导航与管理",
+    "create_folder": "创建文件夹",
+    "create_folder_title": "创建文件夹",
+    "enter_folder_name": "输入文件夹名称",
+    "cancel": "取消",
+    "create": "创建",
+    "rename_folder": "重命名文件夹",
+    "rename_folder_title": "重命名文件夹",
+    "rename_folder_placeholder": "输入新的文件夹名称",
+    "delete_folder": "删除文件夹",
+    "delete_folder_title": "删除文件夹",
+    "delete_folder_message": "确定要删除此文件夹吗？",
+    "folder_help": "文件夹帮助",
+    "folder_help_item_1": "点击文件夹以查看其中的文件。",
+    "folder_help_item_2": "使用 [-] 折叠，使用 [+] 展开文件夹。",
+    "folder_help_item_3": "选择一个文件夹并点击“创建文件夹”以添加子文件夹。",
+    "folder_help_item_4": "要重命名或删除文件夹，请选择后点击相应按钮。",
+
+    "actions": "操作",
+    "file_list_title": "文件列表（根目录）",
+    "files_in": "文件位于",
+    "delete_files": "删除文件",
+    "delete_selected_files_title": "删除所选文件",
+    "delete_files_message": "确定要删除所选文件吗？",
+    "copy_files": "复制文件",
+    "copy_files_title": "复制所选文件",
+    "copy_files_message": "选择目标文件夹以复制所选文件：",
+    "move_files": "移动文件",
+    "move_files_title": "移动所选文件",
+    "move_files_message": "选择目标文件夹以移动所选文件：",
+    "move": "移动",
+    "extract_zip_button": "解压 ZIP",
+    "download_zip_title": "将所选文件打包为 ZIP 下载",
+    "download_zip_prompt": "输入 ZIP 文件名：",
+    "zip_placeholder": "files.zip",
+    "share": "分享",
+    "total_files": "文件总数",
+    "total_size": "总大小",
+    "prev": "上一页",
+    "next": "下一页",
+    "page": "第",
+    "of": "页，共",
+
+    "login": "登录",
+    "remember_me": "记住我",
+    "login_oidc": "使用 OIDC 登录",
+    "basic_http_login": "使用基本 HTTP 登录",
+
+    "change_password_title": "更改密码",
+    "old_password": "旧密码",
+    "new_password": "新密码",
+    "confirm_new_password": "确认新密码",
+
+    "create_new_user_title": "创建新用户",
+    "username": "用户名：",
+    "password": "密码：",
+    "enter_password": "密码",
+    "preparing_download": "正在准备下载…",
+    "download_file": "下载文件",
+    "confirm_or_change_filename": "确认或修改下载文件名：",
+    "filename": "文件名",
+    "download": "下载",
+    "grant_admin": "授予管理员权限",
+    "save_user": "保存用户",
+
+    "remove_user_title": "删除用户",
+    "select_user_remove": "选择要删除的用户：",
+    "delete_user": "删除用户",
+
+    "rename_file_title": "重命名文件",
+    "rename_file_placeholder": "输入新的文件名",
+
+    "share_folder": "分享文件夹",
+    "allow_uploads": "允许上传",
+    "share_link_generated": "已生成分享链接",
+    "error_generating_share_link": "生成分享链接时出错",
+    "custom": "自定义",
+    "duration": "持续时间",
+    "seconds": "秒",
+    "minutes": "分钟",
+    "hours": "小时",
+    "days": "天",
+    "custom_duration_warning": "⚠️ 使用较长的到期时间可能存在安全风险，请谨慎使用。",
+
+    "folder_share": "分享文件夹",
+
+    "yes": "是",
+    "no": "否",
+    "unsaved_changes_confirm": "您有未保存的更改，确定要关闭而不保存吗？",
+    "delete": "删除",
+    "upload": "上传",
+    "copy": "复制",
+    "extract": "解压",
+    "user": "用户：",
+    "unknown_error": "未知错误",
+    "link_copied": "链接已复制到剪贴板",
+    "weeks": "周",
+    "months": "月",
+
+    "dark_mode_toggle": "深色模式",
+    "light_mode_toggle": "浅色模式",
+    "switch_to_light_mode": "切换到浅色模式",
+    "switch_to_dark_mode": "切换到深色模式",
+
+    "header_settings": "标题设置",
+    "shared_max_upload_size_bytes_title": "共享最大上传大小",
+    "shared_max_upload_size_bytes": "共享最大上传大小（字节）",
+    "max_bytes_shared_uploads_note": "请输入共享文件夹上传的最大允许字节数",
+    "manage_shared_links": "管理分享链接",
+    "folder_shares": "文件夹分享",
+    "file_shares": "文件分享",
+    "loading": "正在加载…",
+    "error_loading_share_links": "加载分享链接时出错",
+    "share_deleted_successfully": "分享已成功删除",
+    "error_deleting_share": "删除分享时出错",
+    "password_protected": "受密码保护",
+    "no_shared_links_available": "暂无可用的分享链接",
+
+    "admin_panel": "管理员面板",
+    "user_panel": "用户面板",
+    "user_settings": "用户设置",
+    "save_profile_picture": "保存头像",
+    "please_select_picture": "请选择图片",
+    "profile_picture_updated": "头像已更新",
+    "error_updating_picture": "更新头像时出错",
+    "trash_restore_delete": "回收站恢复/删除",
+    "totp_settings": "TOTP 设置",
+    "enable_totp": "启用 TOTP",
+    "language": "语言",
+    "select_language": "选择语言",
+    "english": "英语",
+    "spanish": "西班牙语",
+    "french": "法语",
+    "german": "德语",
+    "chinese_simplified": "简体中文",
+    "use_totp_code_instead": "改用 TOTP 验证码",
+    "submit_recovery_code": "提交恢复代码",
+    "please_enter_recovery_code": "请输入您的恢复代码。",
+    "recovery_code_verification_failed": "恢复代码验证失败",
+    "error_verifying_recovery_code": "验证恢复代码时出错",
+    "totp_verification_failed": "TOTP 验证失败",
+    "error_verifying_totp_code": "验证 TOTP 代码时出错",
+    "totp_setup": "TOTP 设置",
+    "scan_qr_code": "请使用验证器应用扫描此二维码。",
+    "enter_totp_confirmation": "输入应用生成的 6 位验证码以确认设置：",
+    "confirm": "确认",
+    "please_enter_valid_code": "请输入有效的 6 位验证码。",
+    "totp_enabled_successfully": "TOTP 启用成功。",
+    "error_generating_recovery_code": "生成恢复代码时出错",
+    "error_loading_qr_code": "加载二维码时出错。",
+    "error_disabling_totp_setting": "禁用 TOTP 设置时出错",
+    "user_management": "用户管理",
+    "add_user": "添加用户",
+    "remove_user": "删除用户",
+    "user_permissions": "用户权限",
+    "oidc_configuration": "OIDC 配置",
+    "oidc_provider_url": "OIDC 提供者 URL",
+    "oidc_client_id": "OIDC 客户端 ID",
+    "oidc_client_secret": "OIDC 客户端密钥",
+    "oidc_redirect_uri": "OIDC 重定向 URI",
+    "global_totp_settings": "全局 TOTP 设置",
+    "global_otpauth_url": "全局 OTPAuth URL",
+    "login_options": "登录选项",
+    "disable_login_form": "禁用登录表单",
+    "disable_basic_http_auth": "禁用基本 HTTP 认证",
+    "disable_oidc_login": "禁用 OIDC 登录",
+    "save_settings": "保存设置",
+    "at_least_one_login_method": "至少保留一种登录方式。",
+    "settings_updated_successfully": "设置已成功更新。",
+    "error_updating_settings": "更新设置时出错",
+    "user_permissions_updated_successfully": "用户权限已成功更新。",
+    "error_updating_permissions": "更新权限时出错",
+    "no_users_found": "未找到用户。",
+    "user_folder_only": "仅限用户文件夹",
+    "read_only": "只读",
+    "disable_upload": "禁用上传",
+    "error_loading_users": "加载用户时出错",
+    "save_permissions": "保存权限",
+    "your_recovery_code": "您的恢复代码",
+    "please_save_recovery_code": "请妥善保存此代码。此代码仅显示一次且只能使用一次。",
+    "ok": "确定",
+    "show": "显示",
+    "items_per_page": "每页项目数",
+    "columns": "列",
+    "row_height": "行高",
+    "api_docs": "API 文档",
+    "show_folders_above_files": "在文件上方显示文件夹",
+    "display": "显示",
+    "create_file": "创建文件",
+    "create_new_file": "创建新文件",
+    "enter_file_name": "输入文件名",
+    "newfile_placeholder": "新文件名",
+    "file_created_successfully": "文件创建成功！",
+    "error_creating_file": "创建文件时出错",
+    "file_created": "文件创建成功！",
+    "no_access_to_resource": "您无权访问此资源。",
+    "can_share": "可分享",
+    "bypass_ownership": "绕过所有权限制",
+    "error_loading_user_grants": "加载用户授权时出错",
+    "click_to_edit": "点击编辑",
+    "folder_access": "文件夹访问"
   }
+
 };
 
 let currentLocale = 'en';

public/js/trashRestoreDelete.js

@@ -1,9 +1,9 @@
 // trashRestoreDelete.js
-import { sendRequest } from './networkUtils.js';
-import { toggleVisibility, showToast } from './domUtils.js';
-import { loadFileList } from './fileListView.js';
-import { loadFolderTree } from './folderManager.js';
-import { t } from './i18n.js';
+import { sendRequest } from './networkUtils.js?v={{APP_QVER}}';
+import { toggleVisibility, showToast } from './domUtils.js?v={{APP_QVER}}';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
+import { loadFolderTree } from './folderManager.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
 
 function showConfirm(message, onConfirm) {
     const modal = document.getElementById("customConfirmModal");

public/js/upload.js

@@ -1,9 +1,9 @@
-import { initFileActions } from './fileActions.js';
-import { displayFilePreview } from './filePreview.js';
-import { showToast, escapeHTML } from './domUtils.js';
-import { loadFolderTree } from './folderManager.js';
-import { loadFileList } from './fileListView.js';
-import { t } from './i18n.js';
+import { initFileActions } from './fileActions.js?v={{APP_QVER}}';
+import { displayFilePreview } from './filePreview.js?v={{APP_QVER}}';
+import { showToast, escapeHTML } from './domUtils.js?v={{APP_QVER}}';
+import { loadFolderTree } from './folderManager.js?v={{APP_QVER}}';
+import { loadFileList } from './fileListView.js?v={{APP_QVER}}';
+import { t } from './i18n.js?v={{APP_QVER}}';
 
 /* -----------------------------------------------------
    Helpers for Drag–and–Drop Folder Uploads (Original Code)
@@ -36,6 +36,38 @@ function traverseFileTreePromise(item, path = "") {
   });
 }
 
+// --- Lazy loader for Resumable.js (no CSP inline, cached, safe) ---
+const RESUMABLE_SRC = '/vendor/resumable/1.1.0/resumable.min.js?v={{APP_QVER}}';
+let _resumableLoadPromise = null;
+
+function loadScriptOnce(src) {
+  if (loadScriptOnce._cache?.has(src)) return loadScriptOnce._cache.get(src);
+  loadScriptOnce._cache = loadScriptOnce._cache || new Map();
+  const p = new Promise((resolve, reject) => {
+    const s = document.createElement('script');
+    s.src = src;
+    s.async = true;
+    s.onload = resolve;
+    s.onerror = () => reject(new Error(`Failed to load ${src}`));
+    document.head.appendChild(s);
+  });
+  loadScriptOnce._cache.set(src, p);
+  return p;
+}
+
+function lazyLoadResumable() {
+  if (window.Resumable) return Promise.resolve(window.Resumable);
+  if (!_resumableLoadPromise) {
+    _resumableLoadPromise = loadScriptOnce(RESUMABLE_SRC).then(() => window.Resumable);
+  }
+  return _resumableLoadPromise;
+}
+
+// Optional: let main.js prefetch it in the background
+export function warmUpResumable() {
+  lazyLoadResumable().catch(() => {/* ignore warm-up failure */});
+}
+
 // Recursively retrieve files from DataTransfer items.
 function getFilesFromDataTransferItems(items) {
   const promises = [];
@@ -161,91 +193,91 @@ function createFileEntry(file) {
   const removeBtn = document.createElement("button");
   removeBtn.classList.add("remove-file-btn");
   removeBtn.textContent = "×";
-// In your remove button event listener, replace the fetch call with:
-removeBtn.addEventListener("click", function (e) {
-  e.stopPropagation();
-  const uploadIndex = file.uploadIndex;
-  window.selectedFiles = window.selectedFiles.filter(f => f.uploadIndex !== uploadIndex);
-  
-  // Cancel the file upload if possible.
-  if (typeof file.cancel === "function") {
-    file.cancel();
-    console.log("Canceled file upload:", file.fileName);
-  }
-  
-  // Remove file from the resumable queue.
-  if (resumableInstance && typeof resumableInstance.removeFile === "function") {
-    resumableInstance.removeFile(file);
-  }
-  
-  // Call our helper repeatedly to remove the chunk folder.
-  if (file.uniqueIdentifier) {
-    removeChunkFolderRepeatedly(file.uniqueIdentifier, window.csrfToken, 3, 1000);
-  }
-  
-  li.remove();
-  updateFileInfoCount();
-});
+  // In your remove button event listener, replace the fetch call with:
+  removeBtn.addEventListener("click", function (e) {
+    e.stopPropagation();
+    const uploadIndex = file.uploadIndex;
+    window.selectedFiles = window.selectedFiles.filter(f => f.uploadIndex !== uploadIndex);
+
+    // Cancel the file upload if possible.
+    if (typeof file.cancel === "function") {
+      file.cancel();
+      console.log("Canceled file upload:", file.fileName);
+    }
+
+    // Remove file from the resumable queue.
+    if (resumableInstance && typeof resumableInstance.removeFile === "function") {
+      resumableInstance.removeFile(file);
+    }
+
+    // Call our helper repeatedly to remove the chunk folder.
+    if (file.uniqueIdentifier) {
+      removeChunkFolderRepeatedly(file.uniqueIdentifier, window.csrfToken, 3, 1000);
+    }
+
+    li.remove();
+    updateFileInfoCount();
+  });
   li.removeBtn = removeBtn;
   li.appendChild(removeBtn);
 
   // Add pause/resume/restart button if the file supports pause/resume.
-// Conditionally add the pause/resume button only if file.pause is available
-// Pause/Resume button (for resumable file–picker uploads)
-if (typeof file.pause === "function") {
-  const pauseResumeBtn = document.createElement("button");
-  pauseResumeBtn.setAttribute("type", "button"); // not a submit button
-  pauseResumeBtn.classList.add("pause-resume-btn");
-  // Start with pause icon and disable button until upload starts
-  pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">pause_circle_outline</span>';
-  pauseResumeBtn.disabled = true; 
-  pauseResumeBtn.addEventListener("click", function (e) {
-    e.stopPropagation();
-    if (file.isError) {
-      // If the file previously failed, try restarting upload.
-      if (typeof file.retry === "function") {
-        file.retry();
-        file.isError = false;
-        pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">pause_circle_outline</span>';
-      }
-    } else if (!file.paused) {
-      // Pause the upload (if possible)
-      if (typeof file.pause === "function") {
-        file.pause();
-        file.paused = true;
-        pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">play_circle_outline</span>';
-      } else {
-      }
-    } else if (file.paused) {
-      // Resume sequence: first call to resume (or upload() fallback)
-      if (typeof file.resume === "function") {
-        file.resume();
-      } else {
-        resumableInstance.upload();
-      }
-      // After a short delay, pause again then resume
-      setTimeout(() => {
+  // Conditionally add the pause/resume button only if file.pause is available
+  // Pause/Resume button (for resumable file–picker uploads)
+  if (typeof file.pause === "function") {
+    const pauseResumeBtn = document.createElement("button");
+    pauseResumeBtn.setAttribute("type", "button"); // not a submit button
+    pauseResumeBtn.classList.add("pause-resume-btn");
+    // Start with pause icon and disable button until upload starts
+    pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">pause_circle_outline</span>';
+    pauseResumeBtn.disabled = true;
+    pauseResumeBtn.addEventListener("click", function (e) {
+      e.stopPropagation();
+      if (file.isError) {
+        // If the file previously failed, try restarting upload.
+        if (typeof file.retry === "function") {
+          file.retry();
+          file.isError = false;
+          pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">pause_circle_outline</span>';
+        }
+      } else if (!file.paused) {
+        // Pause the upload (if possible)
         if (typeof file.pause === "function") {
           file.pause();
+          file.paused = true;
+          pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">play_circle_outline</span>';
+        } else {
+        }
+      } else if (file.paused) {
+        // Resume sequence: first call to resume (or upload() fallback)
+        if (typeof file.resume === "function") {
+          file.resume();
         } else {
           resumableInstance.upload();
         }
+        // After a short delay, pause again then resume
         setTimeout(() => {
-          if (typeof file.resume === "function") {
-            file.resume();
+          if (typeof file.pause === "function") {
+            file.pause();
           } else {
             resumableInstance.upload();
           }
+          setTimeout(() => {
+            if (typeof file.resume === "function") {
+              file.resume();
+            } else {
+              resumableInstance.upload();
+            }
+          }, 100);
         }, 100);
-      }, 100);
-      file.paused = false;
-      pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">pause_circle_outline</span>';
-    } else {
-      console.error("Pause/resume function not available for file", file);
-    }
-  });
-  li.appendChild(pauseResumeBtn);
-}
+        file.paused = false;
+        pauseResumeBtn.innerHTML = '<span class="material-icons pauseResumeBtn">pause_circle_outline</span>';
+      } else {
+        console.error("Pause/resume function not available for file", file);
+      }
+    });
+    li.appendChild(pauseResumeBtn);
+  }
 
   // Preview element
   const preview = document.createElement("div");
@@ -401,29 +433,49 @@ function processFiles(filesInput) {
    Resumable.js Integration for File Picker Uploads
    (Only files chosen via file input use Resumable; folder uploads use original code.)
 ----------------------------------------------------- */
-const useResumable = true; // Enable resumable for file picker uploads
-let resumableInstance;
-function initResumableUpload() {
-  resumableInstance = new Resumable({
-    target: "/api/upload/upload.php",
-    query: { folder: window.currentFolder || "root", upload_token: window.csrfToken },
-    chunkSize: 1.5 * 1024 * 1024, // 1.5 MB chunks
-    simultaneousUploads: 3,
-    forceChunkSize: true,
-    testChunks: false,
-    throttleProgressCallbacks: 1,
-    withCredentials: true,
-    headers: { 'X-CSRF-Token': window.csrfToken },
-    query: {
-      folder: window.currentFolder || "root",
-      upload_token: window.csrfToken   // still as a fallback
-    }
+const useResumable = true;
+let resumableInstance = null;
+let _pendingPickedFiles = [];   // files picked before library/instance ready
+let _resumableReady = false;
+
+// Make init async-safe; it resolves when Resumable is constructed
+async function initResumableUpload() {
+  if (resumableInstance) return;
+  // Load the library if needed
+  const ResumableCtor = await lazyLoadResumable().catch(err => {
+    console.error('Failed to load Resumable.js:', err);
+    return null;
   });
+  if (!ResumableCtor) return;
+
+  // Construct the instance once
+  if (!resumableInstance) {
+    resumableInstance = new ResumableCtor({
+      target: "/api/upload/upload.php",
+      chunkSize: 1.5 * 1024 * 1024,
+      simultaneousUploads: 3,
+      forceChunkSize: true,
+      testChunks: false,
+      withCredentials: true,
+      headers: { 'X-CSRF-Token': window.csrfToken },
+      query: () => ({
+        folder: window.currentFolder || "root",
+        upload_token: window.csrfToken
+      })
+    });
+  }
+
+  // keep query fresh when folder changes (call this from your folder nav code)
+  function updateResumableQuery() {
+    if (!resumableInstance) return;
+    resumableInstance.opts.headers['X-CSRF-Token'] = window.csrfToken;
+    resumableInstance.opts.query.folder = window.currentFolder || 'root';
+    resumableInstance.opts.query.upload_token = window.csrfToken;
+  }
 
   const fileInput = document.getElementById("file");
   if (fileInput) {
-    // Assign Resumable to file input for file picker uploads.
-    resumableInstance.assignBrowse(fileInput);
+    
     fileInput.addEventListener("change", function () {
       for (let i = 0; i < fileInput.files.length; i++) {
         resumableInstance.addFile(fileInput.files[i]);
@@ -432,6 +484,7 @@ function initResumableUpload() {
   }
 
   resumableInstance.on("fileAdded", function (file) {
+
     // Initialize custom paused flag
     file.paused = false;
     file.uploadIndex = file.uniqueIdentifier;
@@ -461,16 +514,17 @@ function initResumableUpload() {
     li.dataset.uploadIndex = file.uniqueIdentifier;
     list.appendChild(li);
     updateFileInfoCount();
+    updateResumableQuery();
   });
 
-  resumableInstance.on("fileProgress", function(file) {
+  resumableInstance.on("fileProgress", function (file) {
     const progress = file.progress(); // value between 0 and 1
     const percent = Math.floor(progress * 100);
     const li = document.querySelector(`li.upload-progress-item[data-upload-index="${file.uniqueIdentifier}"]`);
     if (li && li.progressBar) {
       if (percent < 99) {
         li.progressBar.style.width = percent + "%";
-        
+
         // Calculate elapsed time and speed.
         const elapsed = (Date.now() - li.startTime) / 1000;
         let speed = "";
@@ -491,7 +545,7 @@ function initResumableUpload() {
         li.progressBar.style.width = "100%";
         li.progressBar.innerHTML = '<i class="material-icons spinning" style="vertical-align: middle;">autorenew</i>';
       }
-      
+
       // Enable the pause/resume button once progress starts.
       const pauseResumeBtn = li.querySelector(".pause-resume-btn");
       if (pauseResumeBtn) {
@@ -499,8 +553,8 @@ function initResumableUpload() {
       }
     }
   });
-  
-  resumableInstance.on("fileSuccess", function(file, message) {
+
+  resumableInstance.on("fileSuccess", function (file, message) {
     // Try to parse JSON response
     let data;
     try {
@@ -508,18 +562,18 @@ function initResumableUpload() {
     } catch (e) {
       data = null;
     }
-  
+
     // 1) Soft‐fail CSRF? then update token & retry this file
     if (data && data.csrf_expired) {
       // Update global and Resumable headers
       window.csrfToken = data.csrf_token;
       resumableInstance.opts.headers['X-CSRF-Token'] = data.csrf_token;
-      resumableInstance.opts.query.upload_token        = data.csrf_token;
+      resumableInstance.opts.query.upload_token = data.csrf_token;
       // Retry this chunk/file
       file.retry();
-      return; 
+      return;
     }
-  
+
     // 2) Otherwise treat as real success:
     const li = document.querySelector(
       `li.upload-progress-item[data-upload-index="${file.uniqueIdentifier}"]`
@@ -531,13 +585,13 @@ function initResumableUpload() {
       const pauseResumeBtn = li.querySelector(".pause-resume-btn");
       if (pauseResumeBtn) pauseResumeBtn.style.display = "none";
       const removeBtn = li.querySelector(".remove-file-btn");
-      if (removeBtn)   removeBtn.style.display = "none";
+      if (removeBtn) removeBtn.style.display = "none";
       setTimeout(() => li.remove(), 5000);
     }
-  
+
     loadFileList(window.currentFolder);
   });
-  
+
 
 
   resumableInstance.on("fileError", function (file, message) {
@@ -578,13 +632,24 @@ function initResumableUpload() {
       showToast("Some files failed to upload. Please check the list.");
     }
   });
+
+  _resumableReady = true;
+  if (_pendingPickedFiles.length) {
+    updateResumableQuery();
+    for (const f of _pendingPickedFiles) resumableInstance.addFile(f);
+    _pendingPickedFiles = [];
+  }
+
 }
 
 /* -----------------------------------------------------
    XHR-based submitFiles for Drag–and–Drop (Folder) Uploads
 ----------------------------------------------------- */
 function submitFiles(allFiles) {
-  const folderToUse = window.currentFolder || "root";
+  const folderToUse = (() => {
+    const f = window.currentFolder || "root";
+    try { return decodeURIComponent(f); } catch { return f; }
+  })();
   const progressContainer = document.getElementById("uploadProgressContainer");
   const fileInput = document.getElementById("file");
 
@@ -637,7 +702,7 @@ function submitFiles(allFiles) {
       } catch (e) {
         jsonResponse = null;
       }
-    
+
       // ─── Soft-fail CSRF: retry this upload ───────────────────────
       if (jsonResponse && jsonResponse.csrf_expired) {
         console.warn("CSRF expired during upload, retrying chunk", file.uploadIndex);
@@ -650,10 +715,10 @@ function submitFiles(allFiles) {
         xhr.send(formData);
         return;  // skip the "finishedCount++" and error/success logic for now
       }
-    
+
       // ─── Normal success/error handling ────────────────────────────  
       const li = progressElements[file.uploadIndex];
-    
+
       if (xhr.status >= 200 && xhr.status < 300 && (!jsonResponse || !jsonResponse.error)) {
         // real success
         if (li) {
@@ -662,6 +727,7 @@ function submitFiles(allFiles) {
           if (li.removeBtn) li.removeBtn.style.display = "none";
         }
         uploadResults[file.uploadIndex] = true;
+
       } else {
         // real failure
         if (li) {
@@ -681,12 +747,17 @@ function submitFiles(allFiles) {
           }
         }, 5000);
       }
-    
+
       // ─── Only now count this chunk as finished ───────────────────
       finishedCount++;
-      if (finishedCount === allFiles.length) {
-        refreshFileList(allFiles, uploadResults, progressElements);
-      }
+if (finishedCount === allFiles.length) {
+  const succeededCount = uploadResults.filter(Boolean).length;
+  const failedCount = allFiles.length - succeededCount;
+
+  setTimeout(() => {
+    refreshFileList(allFiles, uploadResults, progressElements);
+  }, 250);
+}
     });
 
     xhr.addEventListener("error", function () {
@@ -699,6 +770,9 @@ function submitFiles(allFiles) {
       finishedCount++;
       if (finishedCount === allFiles.length) {
         refreshFileList(allFiles, uploadResults, progressElements);
+        // Immediate summary toast based on actual XHR outcomes
+        const succeededCount = uploadResults.filter(Boolean).length;
+        const failedCount = allFiles.length - succeededCount;
       }
     });
 
@@ -725,17 +799,30 @@ function submitFiles(allFiles) {
     loadFileList(folderToUse)
       .then(serverFiles => {
         initFileActions();
-        serverFiles = (serverFiles || []).map(item => item.name.trim().toLowerCase());
+        // Be tolerant to API shapes: string or object with name/fileName/filename
+        serverFiles = (serverFiles || [])
+          .map(item => {
+            if (typeof item === 'string') return item;
+            const n = item?.name ?? item?.fileName ?? item?.filename ?? '';
+            return String(n);
+          })
+          .map(s => s.trim().toLowerCase())
+          .filter(Boolean);
         let overallSuccess = true;
+        let succeeded = 0;
         allFiles.forEach(file => {
           const clientFileName = file.name.trim().toLowerCase();
           const li = progressElements[file.uploadIndex];
-          if (!uploadResults[file.uploadIndex] || !serverFiles.includes(clientFileName)) {
+          const hadRelative = !!(file.webkitRelativePath || file.customRelativePath);
+          if (!uploadResults[file.uploadIndex] || (!hadRelative && !serverFiles.includes(clientFileName))) {
             if (li) {
               li.progressBar.innerText = "Error";
             }
             overallSuccess = false;
+            
           } else if (li) {
+            succeeded++;
+            
             // Schedule removal of successful file entry after 5 seconds.
             setTimeout(() => {
               li.remove();
@@ -757,9 +844,12 @@ function submitFiles(allFiles) {
             }, 5000);
           }
         });
-        
+
         if (!overallSuccess) {
-          showToast("Some files failed to upload. Please check the list.");
+          const failed = allFiles.length - succeeded;
+          showToast(`${failed} file(s) failed, ${succeeded} succeeded. Please check the list.`);
+        } else {
+          showToast(`${succeeded} file succeeded. Please check the list.`);
         }
       })
       .catch(error => {
@@ -768,6 +858,7 @@ function submitFiles(allFiles) {
       })
       .finally(() => {
         loadFolderTree(window.currentFolder);
+        
       });
   }
 }
@@ -822,32 +913,48 @@ function initUpload() {
   }
 
   if (fileInput) {
-    fileInput.addEventListener("change", function () {
+    fileInput.addEventListener("change", async function () {
+      const files = Array.from(fileInput.files || []);
+      if (!files.length) return;
+  
       if (useResumable) {
-        // For file picker, if resumable is enabled, let it handle the files.
-        for (let i = 0; i < fileInput.files.length; i++) {
-          resumableInstance.addFile(fileInput.files[i]);
+        // Ensure the lib/instance exists
+        if (!_resumableReady) await initResumableUpload();
+        if (resumableInstance) {
+          for (const f of files) resumableInstance.addFile(f);
+        } else {
+          // If still not ready (load error), fall back to your XHR path
+          processFiles(files);
         }
       } else {
-        processFiles(fileInput.files);
+        processFiles(files);
       }
     });
   }
 
   if (uploadForm) {
-    uploadForm.addEventListener("submit", function (e) {
+    uploadForm.addEventListener("submit", async function (e) {
       e.preventDefault();
       const files = window.selectedFiles || (fileInput ? fileInput.files : []);
-      if (!files || files.length === 0) {
+      if (!files || !files.length) {
         showToast("No files selected.");
         return;
       }
-      // If files come from file picker (no relative path), use Resumable.
-      if (useResumable && (!files[0].customRelativePath || files[0].customRelativePath === "")) {
-        // Ensure current folder is updated.
-        resumableInstance.opts.query.folder = window.currentFolder || "root";
-        resumableInstance.upload();
-        showToast("Resumable upload started...");
+  
+      // Resumable path (only for picked files, not folder uploads)
+      const first = files[0];
+      const isFolderish = !!(first.customRelativePath || first.webkitRelativePath);
+      if (useResumable && !isFolderish) {
+        if (!_resumableReady) await initResumableUpload();
+        if (resumableInstance) {
+          // ensure folder/token fresh
+          resumableInstance.opts.query.folder = window.currentFolder || "root";
+          resumableInstance.upload();
+          showToast("Resumable upload started...");
+        } else {
+          // fallback
+          submitFiles(files);
+        }
       } else {
         submitFiles(files);
       }

public/js/version.js

@@ -0,0 +1,2 @@
+// generated by CI
+window.APP_VERSION = 'v1.7.5';

public/vendor/bootstrap/4.5.2/LICENSE

@@ -0,0 +1,21 @@
+Bootstrap 4.5.2 — MIT
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

public/vendor/codemirror/5.65.5/LICENSE

@@ -0,0 +1,21 @@
+CodeMirror 5.65.5 — MIT
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

public/vendor/codemirror/5.65.5/mode/htmlmixed/htmlmixed.min.js

@@ -0,0 +1 @@
+!function(t){"object"==typeof exports&&"object"==typeof module?t(require("../../lib/codemirror"),require("../xml/xml"),require("../javascript/javascript"),require("../css/css")):"function"==typeof define&&define.amd?define(["../../lib/codemirror","../xml/xml","../javascript/javascript","../css/css"],t):t(CodeMirror)}(function(m){"use strict";var l={script:[["lang",/(javascript|babel)/i,"javascript"],["type",/^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^module$|^$/i,"javascript"],["type",/./,"text/plain"],[null,null,"javascript"]],style:[["lang",/^css$/i,"css"],["type",/^(text\/)?(x-)?(stylesheet|css)$/i,"css"],["type",/./,"text/plain"],[null,null,"css"]]};var a={};function d(t,e){e=t.match(a[t=e]||(a[t]=new RegExp("\\s+"+t+"\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*")));return e?/^\s*(.*?)\s*$/.exec(e[2])[1]:""}function g(t,e){return new RegExp((e?"^":"")+"</\\s*"+t+"\\s*>","i")}function o(t,e){for(var a in t)for(var n=e[a]||(e[a]=[]),l=t[a],o=l.length-1;0<=o;o--)n.unshift(l[o])}m.defineMode("htmlmixed",function(i,t){var c=m.getMode(i,{name:"xml",htmlMode:!0,multilineTagIndentFactor:t.multilineTagIndentFactor,multilineTagIndentPastTag:t.multilineTagIndentPastTag,allowMissingTagName:t.allowMissingTagName}),s={},e=t&&t.tags,a=t&&t.scriptTypes;if(o(l,s),e&&o(e,s),a)for(var n=a.length-1;0<=n;n--)s.script.unshift(["type",a[n].matches,a[n].mode]);function u(t,e){var a,o,r,n=c.token(t,e.htmlState),l=/\btag\b/.test(n);return l&&!/[<>\s\/]/.test(t.current())&&(a=e.htmlState.tagName&&e.htmlState.tagName.toLowerCase())&&s.hasOwnProperty(a)?e.inTag=a+" ":e.inTag&&l&&/>$/.test(t.current())?(a=/^([\S]+) (.*)/.exec(e.inTag),e.inTag=null,l=">"==t.current()&&function(t,e){for(var a=0;a<t.length;a++){var n=t[a];if(!n[0]||n[1].test(d(e,n[0])))return n[2]}}(s[a[1]],a[2]),l=m.getMode(i,l),o=g(a[1],!0),r=g(a[1],!1),e.token=function(t,e){return t.match(o,!1)?(e.token=u,e.localState=e.localMode=null):(a=t,n=r,t=e.localMode.token(t,e.localState),e=a.current(),-1<(l=e.search(n))?a.backUp(e.length-l):e.match(/<\/?$/)&&(a.backUp(e.length),a.match(n,!1)||a.match(e)),t);var a,n,l},e.localMode=l,e.localState=m.startState(l,c.indent(e.htmlState,"",""))):e.inTag&&(e.inTag+=t.current(),t.eol()&&(e.inTag+=" ")),n}return{startState:function(){return{token:u,inTag:null,localMode:null,localState:null,htmlState:m.startState(c)}},copyState:function(t){var e;return t.localState&&(e=m.copyState(t.localMode,t.localState)),{token:t.token,inTag:t.inTag,localMode:t.localMode,localState:e,htmlState:m.copyState(c,t.htmlState)}},token:function(t,e){return e.token(t,e)},indent:function(t,e,a){return!t.localMode||/^\s*<\//.test(e)?c.indent(t.htmlState,e,a):t.localMode.indent?t.localMode.indent(t.localState,e,a):m.Pass},innerMode:function(t){return{state:t.localState||t.htmlState,mode:t.localMode||c}}}},"xml","javascript","css"),m.defineMIME("text/html","htmlmixed")});

public/vendor/codemirror/5.65.5/mode/properties/properties.min.js

@@ -0,0 +1 @@
+!function(e){"object"==typeof exports&&"object"==typeof module?e(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],e):e(CodeMirror)}(function(e){"use strict";e.defineMode("properties",function(){return{token:function(e,i){var t=e.sol()||i.afterSection,n=e.eol();if(i.afterSection=!1,t&&(i.nextMultiline?(i.inMultiline=!0,i.nextMultiline=!1):i.position="def"),n&&!i.nextMultiline&&(i.inMultiline=!1,i.position="def"),t)for(;e.eatSpace(););n=e.next();return!t||"#"!==n&&"!"!==n&&";"!==n?t&&"["===n?(i.afterSection=!0,e.skipTo("]"),e.eat("]"),"header"):"="===n||":"===n?(i.position="quote",null):("\\"===n&&"quote"===i.position&&e.eol()&&(i.nextMultiline=!0),i.position):(i.position="comment",e.skipToEnd(),"comment")},startState:function(){return{position:"def",nextMultiline:!1,inMultiline:!1,afterSection:!1}}}}),e.defineMIME("text/x-properties","properties"),e.defineMIME("text/x-ini","properties")});

public/vendor/codemirror/5.65.5/mode/shell/shell.min.js

@@ -0,0 +1 @@
+!function(e){"object"==typeof exports&&"object"==typeof module?e(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],e):e(CodeMirror)}(function(s){"use strict";s.defineMode("shell",function(){var o={};function e(e,t){for(var n=0;n<t.length;n++)o[t[n]]=e}var t=["true","false"],n=["if","then","do","else","elif","while","until","for","in","esac","fi","fin","fil","done","exit","set","unset","export","function"],r=["ab","awk","bash","beep","cat","cc","cd","chown","chmod","chroot","clear","cp","curl","cut","diff","echo","find","gawk","gcc","get","git","grep","hg","kill","killall","ln","ls","make","mkdir","openssl","mv","nc","nl","node","npm","ping","ps","restart","rm","rmdir","sed","service","sh","shopt","shred","source","sort","sleep","ssh","start","stop","su","sudo","svn","tee","telnet","top","touch","vi","vim","wall","wc","wget","who","write","yes","zsh"];function i(e,t){if(e.eatSpace())return null;var n,r=e.sol(),i=e.next();if("\\"===i)return e.next(),null;if("'"===i||'"'===i||"`"===i)return t.tokens.unshift(f(i,"`"===i?"quote":"string")),l(e,t);if("#"===i)return r&&e.eat("!")?(e.skipToEnd(),"meta"):(e.skipToEnd(),"comment");if("$"===i)return t.tokens.unshift(u),l(e,t);if("+"===i||"="===i)return"operator";if("-"===i)return e.eat("-"),e.eatWhile(/\w/),"attribute";if("<"==i){if(e.match("<<"))return"operator";r=e.match(/^<-?\s*['"]?([^'"]*)['"]?/);if(r)return t.tokens.unshift((n=r[1],function(e,t){return e.sol()&&e.string==n&&t.tokens.shift(),e.skipToEnd(),"string-2"})),"string-2"}if(/\d/.test(i)&&(e.eatWhile(/\d/),e.eol()||!/\w/.test(e.peek())))return"number";e.eatWhile(/[\w-]/);t=e.current();return"="===e.peek()&&/\w+/.test(t)?"def":o.hasOwnProperty(t)?o[t]:null}function f(i,o){var s="("==i?")":"{"==i?"}":i;return function(e,t){for(var n,r=!1;null!=(n=e.next());){if(n===s&&!r){t.tokens.shift();break}if("$"===n&&!r&&"'"!==i&&e.peek()!=s){r=!0,e.backUp(1),t.tokens.unshift(u);break}if(!r&&i!==s&&n===i)return t.tokens.unshift(f(i,o)),l(e,t);if(!r&&/['"]/.test(n)&&!/['"]/.test(i)){t.tokens.unshift(function(n,r){return function(e,t){return t.tokens[0]=f(n,r),e.next(),l(e,t)}}(n,"string")),e.backUp(1);break}r=!r&&"\\"===n}return o}}s.registerHelper("hintWords","shell",t.concat(n,r)),e("atom",t),e("keyword",n),e("builtin",r);var u=function(e,t){1<t.tokens.length&&e.eat("$");var n=e.next();return/['"({]/.test(n)?(t.tokens[0]=f(n,"("==n?"quote":"{"==n?"def":"string"),l(e,t)):(/\d/.test(n)||e.eatWhile(/\w/),t.tokens.shift(),"def")};function l(e,t){return(t.tokens[0]||i)(e,t)}return{startState:function(){return{tokens:[]}},token:l,closeBrackets:"()[]{}''\"\"``",lineComment:"#",fold:"brace"}}),s.defineMIME("text/x-sh","shell"),s.defineMIME("application/x-sh","shell")});

public/vendor/codemirror/5.65.5/mode/yaml/yaml.min.js

@@ -0,0 +1 @@
+!function(e){"object"==typeof exports&&"object"==typeof module?e(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],e):e(CodeMirror)}(function(e){"use strict";e.defineMode("yaml",function(){var n=new RegExp("\\b(("+["true","false","on","off","yes","no"].join(")|(")+"))$","i");return{token:function(e,i){var t=e.peek(),r=i.escaped;if(i.escaped=!1,"#"==t&&(0==e.pos||/\s/.test(e.string.charAt(e.pos-1))))return e.skipToEnd(),"comment";if(e.match(/^('([^']|\\.)*'?|"([^"]|\\.)*"?)/))return"string";if(i.literal&&e.indentation()>i.keyCol)return e.skipToEnd(),"string";if(i.literal&&(i.literal=!1),e.sol()){if(i.keyCol=0,i.pair=!1,i.pairStart=!1,e.match("---"))return"def";if(e.match("..."))return"def";if(e.match(/\s*-\s+/))return"meta"}if(e.match(/^(\{|\}|\[|\])/))return"{"==t?i.inlinePairs++:"}"==t?i.inlinePairs--:"["==t?i.inlineList++:i.inlineList--,"meta";if(0<i.inlineList&&!r&&","==t)return e.next(),"meta";if(0<i.inlinePairs&&!r&&","==t)return i.keyCol=0,i.pair=!1,i.pairStart=!1,e.next(),"meta";if(i.pairStart){if(e.match(/^\s*(\||\>)\s*/))return i.literal=!0,"meta";if(e.match(/^\s*(\&|\*)[a-z0-9\._-]+\b/i))return"variable-2";if(0==i.inlinePairs&&e.match(/^\s*-?[0-9\.\,]+\s?$/))return"number";if(0<i.inlinePairs&&e.match(/^\s*-?[0-9\.\,]+\s?(?=(,|}))/))return"number";if(e.match(n))return"keyword"}return!i.pair&&e.match(/^\s*(?:[,\[\]{}&*!|>'"%@`][^\s'":]|[^,\[\]{}#&*!|>'"%@`])[^#]*?(?=\s*:($|\s))/)?(i.pair=!0,i.keyCol=e.indentation(),"atom"):i.pair&&e.match(/^:\s*/)?(i.pairStart=!0,"meta"):(i.pairStart=!1,i.escaped="\\"==t,e.next(),null)},startState:function(){return{pair:!1,pairStart:!1,keyCol:0,inlinePairs:0,inlineList:0,literal:!1,escaped:!1}},lineComment:"#",fold:"indent"}}),e.defineMIME("text/x-yaml","yaml"),e.defineMIME("text/yaml","yaml")});

public/vendor/codemirror/5.65.5/theme/material-darker.min.css

@@ -0,0 +1 @@
+.cm-s-material-darker.CodeMirror{background-color:#212121;color:#eff}.cm-s-material-darker .CodeMirror-gutters{background:#212121;color:#545454;border:none}.cm-s-material-darker .CodeMirror-guttermarker,.cm-s-material-darker .CodeMirror-guttermarker-subtle,.cm-s-material-darker .CodeMirror-linenumber{color:#545454}.cm-s-material-darker .CodeMirror-cursor{border-left:1px solid #fc0}.cm-s-material-darker div.CodeMirror-selected{background:rgba(97,97,97,.2)}.cm-s-material-darker.CodeMirror-focused div.CodeMirror-selected{background:rgba(97,97,97,.2)}.cm-s-material-darker .CodeMirror-line::selection,.cm-s-material-darker .CodeMirror-line>span::selection,.cm-s-material-darker .CodeMirror-line>span>span::selection{background:rgba(128,203,196,.2)}.cm-s-material-darker .CodeMirror-line::-moz-selection,.cm-s-material-darker .CodeMirror-line>span::-moz-selection,.cm-s-material-darker .CodeMirror-line>span>span::-moz-selection{background:rgba(128,203,196,.2)}.cm-s-material-darker .CodeMirror-activeline-background{background:rgba(0,0,0,.5)}.cm-s-material-darker .cm-keyword{color:#c792ea}.cm-s-material-darker .cm-operator{color:#89ddff}.cm-s-material-darker .cm-variable-2{color:#eff}.cm-s-material-darker .cm-type,.cm-s-material-darker .cm-variable-3{color:#f07178}.cm-s-material-darker .cm-builtin{color:#ffcb6b}.cm-s-material-darker .cm-atom{color:#f78c6c}.cm-s-material-darker .cm-number{color:#ff5370}.cm-s-material-darker .cm-def{color:#82aaff}.cm-s-material-darker .cm-string{color:#c3e88d}.cm-s-material-darker .cm-string-2{color:#f07178}.cm-s-material-darker .cm-comment{color:#545454}.cm-s-material-darker .cm-variable{color:#f07178}.cm-s-material-darker .cm-tag{color:#ff5370}.cm-s-material-darker .cm-meta{color:#ffcb6b}.cm-s-material-darker .cm-attribute{color:#c792ea}.cm-s-material-darker .cm-property{color:#c792ea}.cm-s-material-darker .cm-qualifier{color:#decb6b}.cm-s-material-darker .cm-type,.cm-s-material-darker .cm-variable-3{color:#decb6b}.cm-s-material-darker .cm-error{color:#fff;background-color:#ff5370}.cm-s-material-darker .CodeMirror-matchingbracket{text-decoration:underline;color:#fff!important}

public/vendor/dompurify/2.4.0/LICENSE

@@ -0,0 +1,180 @@
+DOMPurify 2.4.0 — Apache-2.0
+
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction,
+and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by
+the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all
+other entities that control, are controlled by, or are under common
+control with that entity. For the purposes of this definition,
+"control" means (i) the power, direct or indirect, to cause the
+direction or management of such entity, whether by contract or
+otherwise, or (ii) ownership of fifty percent (50%) or more of the
+outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity
+exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications,
+including but not limited to software source code, documentation
+source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical
+transformation or translation of a Source form, including but
+not limited to compiled object code, generated documentation,
+and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or
+Object form, made available under the License, as indicated by a
+copyright notice that is included in or attached to the work
+(an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object
+form, that is based on (or derived from) the Work and for which the
+editorial revisions, annotations, elaborations, or other modifications
+represent, as a whole, an original work of authorship. For the purposes
+of this License, Derivative Works shall not include works that remain
+separable from, or merely link (or bind by name) to the interfaces of,
+the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including
+the original version of the Work and any modifications or additions
+to that Work or Derivative Works thereof, that is intentionally
+submitted to Licensor for inclusion in the Work by the copyright owner
+or by an individual or Legal Entity authorized to submit on behalf of
+the copyright owner. For the purposes of this definition, "submitted"
+means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems,
+and issue tracking systems that are managed by, or on behalf of, the
+Licensor for the purpose of discussing and improving the Work, but
+excluding communication that is conspicuously marked or otherwise
+designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity
+on behalf of whom a Contribution has been received by Licensor and
+subsequently incorporated within the Work.
+
+2. Grant of Copyright License.
+
+Subject to the terms and conditions of this License, each Contributor
+hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable copyright license to reproduce, prepare
+Derivative Works of, publicly display, publicly perform, sublicense,
+and distribute the Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License.
+
+Subject to the terms and conditions of this License, each Contributor
+hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable (except as stated in this section) patent
+license to make, have made, use, offer to sell, sell, import, and
+otherwise transfer the Work, where such license applies only to those
+patent claims licensable by such Contributor that are necessarily
+infringed by their Contribution(s) alone or by combination of their
+Contribution(s) with the Work to which such Contribution(s) was submitted.
+If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work
+or a Contribution incorporated within the Work constitutes direct
+or contributory patent infringement, then any patent licenses
+granted to You under this License for that Work shall terminate
+as of the date such litigation is filed.
+
+4. Redistribution.
+
+You may reproduce and distribute copies of the Work or Derivative Works
+thereof in any medium, with or without modifications, and in Source or
+Object form, provided that You meet the following conditions:
+
+(a) You must give any other recipients of the Work or Derivative Works
+a copy of this License; and
+
+(b) You must cause any modified files to carry prominent notices stating
+that You changed the files; and
+
+(c) You must retain, in the Source form of any Derivative Works that You
+distribute, all copyright, patent, trademark, and attribution notices
+from the Source form of the Work, excluding those notices that do not
+pertain to any part of the Derivative Works; and
+
+(d) If the Work includes a "NOTICE" text file as part of its distribution,
+then any Derivative Works that You distribute must include a readable
+copy of the attribution notices contained within such NOTICE file,
+excluding those notices that do not pertain to any part of the
+Derivative Works, in at least one of the following places: within a
+NOTICE text file distributed as part of the Derivative Works; within
+the Source form or documentation, if provided along with the Derivative
+Works; or, within a display generated by the Derivative Works, if and
+wherever such third-party notices normally appear. The contents of the
+NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works
+that You distribute, alongside or as an addendum to the NOTICE text from
+the Work, provided that such additional attribution notices cannot be
+construed as modifying the License.
+
+You may add Your own copyright statement to Your modifications and may
+provide additional or different license terms and conditions for use,
+reproduction, or distribution of Your modifications, or for any such
+Derivative Works as a whole, provided Your use, reproduction, and
+distribution of the Work otherwise complies with the conditions
+stated in this License.
+
+5. Submission of Contributions.
+
+Unless You explicitly state otherwise, any Contribution intentionally
+submitted for inclusion in the Work by You to the Licensor shall be
+under the terms and conditions of this License, without any additional
+terms or conditions. Notwithstanding the above, nothing herein shall
+supersede or modify the terms of any separate license agreement you
+may have executed with Licensor regarding such Contributions.
+
+6. Trademarks.
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty.
+
+Unless required by applicable law or agreed to in writing, Licensor provides
+the Work (and each Contributor provides its Contributions) on an "AS IS"
+BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+implied, including, without limitation, any warranties or conditions of
+TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR
+PURPOSE. You are solely responsible for determining the appropriateness
+of using or redistributing the Work and assume any risks associated with
+Your exercise of permissions under this License.
+
+8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License
+or out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction,
+or any and all other commercial damages or losses), even if such Contributor
+has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity,
+or other liability obligations and/or rights consistent with this License.
+However, in accepting such obligations, You may act only on Your own behalf
+and on Your sole responsibility, not on behalf of any other Contributor,
+and only if You agree to indemnify, defend, and hold each Contributor harmless
+for any liability incurred by, or claims asserted against, such Contributor
+by reason of your accepting any such warranty or additional liability.

public/vendor/fuse/6.6.2/LICENSE

@@ -0,0 +1,180 @@
+Fuse.js 6.6.2 — Apache-2.0
+
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction,
+and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by
+the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all
+other entities that control, are controlled by, or are under common
+control with that entity. For the purposes of this definition,
+"control" means (i) the power, direct or indirect, to cause the
+direction or management of such entity, whether by contract or
+otherwise, or (ii) ownership of fifty percent (50%) or more of the
+outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity
+exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications,
+including but not limited to software source code, documentation
+source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical
+transformation or translation of a Source form, including but
+not limited to compiled object code, generated documentation,
+and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or
+Object form, made available under the License, as indicated by a
+copyright notice that is included in or attached to the work
+(an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object
+form, that is based on (or derived from) the Work and for which the
+editorial revisions, annotations, elaborations, or other modifications
+represent, as a whole, an original work of authorship. For the purposes
+of this License, Derivative Works shall not include works that remain
+separable from, or merely link (or bind by name) to the interfaces of,
+the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including
+the original version of the Work and any modifications or additions
+to that Work or Derivative Works thereof, that is intentionally
+submitted to Licensor for inclusion in the Work by the copyright owner
+or by an individual or Legal Entity authorized to submit on behalf of
+the copyright owner. For the purposes of this definition, "submitted"
+means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems,
+and issue tracking systems that are managed by, or on behalf of, the
+Licensor for the purpose of discussing and improving the Work, but
+excluding communication that is conspicuously marked or otherwise
+designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity
+on behalf of whom a Contribution has been received by Licensor and
+subsequently incorporated within the Work.
+
+2. Grant of Copyright License.
+
+Subject to the terms and conditions of this License, each Contributor
+hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable copyright license to reproduce, prepare
+Derivative Works of, publicly display, publicly perform, sublicense,
+and distribute the Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License.
+
+Subject to the terms and conditions of this License, each Contributor
+hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
+royalty-free, irrevocable (except as stated in this section) patent
+license to make, have made, use, offer to sell, sell, import, and
+otherwise transfer the Work, where such license applies only to those
+patent claims licensable by such Contributor that are necessarily
+infringed by their Contribution(s) alone or by combination of their
+Contribution(s) with the Work to which such Contribution(s) was submitted.
+If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work
+or a Contribution incorporated within the Work constitutes direct
+or contributory patent infringement, then any patent licenses
+granted to You under this License for that Work shall terminate
+as of the date such litigation is filed.
+
+4. Redistribution.
+
+You may reproduce and distribute copies of the Work or Derivative Works
+thereof in any medium, with or without modifications, and in Source or
+Object form, provided that You meet the following conditions:
+
+(a) You must give any other recipients of the Work or Derivative Works
+a copy of this License; and
+
+(b) You must cause any modified files to carry prominent notices stating
+that You changed the files; and
+
+(c) You must retain, in the Source form of any Derivative Works that You
+distribute, all copyright, patent, trademark, and attribution notices
+from the Source form of the Work, excluding those notices that do not
+pertain to any part of the Derivative Works; and
+
+(d) If the Work includes a "NOTICE" text file as part of its distribution,
+then any Derivative Works that You distribute must include a readable
+copy of the attribution notices contained within such NOTICE file,
+excluding those notices that do not pertain to any part of the
+Derivative Works, in at least one of the following places: within a
+NOTICE text file distributed as part of the Derivative Works; within
+the Source form or documentation, if provided along with the Derivative
+Works; or, within a display generated by the Derivative Works, if and
+wherever such third-party notices normally appear. The contents of the
+NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works
+that You distribute, alongside or as an addendum to the NOTICE text from
+the Work, provided that such additional attribution notices cannot be
+construed as modifying the License.
+
+You may add Your own copyright statement to Your modifications and may
+provide additional or different license terms and conditions for use,
+reproduction, or distribution of Your modifications, or for any such
+Derivative Works as a whole, provided Your use, reproduction, and
+distribution of the Work otherwise complies with the conditions
+stated in this License.
+
+5. Submission of Contributions.
+
+Unless You explicitly state otherwise, any Contribution intentionally
+submitted for inclusion in the Work by You to the Licensor shall be
+under the terms and conditions of this License, without any additional
+terms or conditions. Notwithstanding the above, nothing herein shall
+supersede or modify the terms of any separate license agreement you
+may have executed with Licensor regarding such Contributions.
+
+6. Trademarks.
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty.
+
+Unless required by applicable law or agreed to in writing, Licensor provides
+the Work (and each Contributor provides its Contributions) on an "AS IS"
+BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+implied, including, without limitation, any warranties or conditions of
+TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR
+PURPOSE. You are solely responsible for determining the appropriateness
+of using or redistributing the Work and assume any risks associated with
+Your exercise of permissions under this License.
+
+8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License
+or out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction,
+or any and all other commercial damages or losses), even if such Contributor
+has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity,
+or other liability obligations and/or rights consistent with this License.
+However, in accepting such obligations, You may act only on Your own behalf
+and on Your sole responsibility, not on behalf of any other Contributor,
+and only if You agree to indemnify, defend, and hold each Contributor harmless
+for any liability incurred by, or claims asserted against, such Contributor
+by reason of your accepting any such warranty or additional liability.

public/vendor/redoc/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-present, Rebilly, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

public/vendor/resumable/1.1.0/LICENSE

@@ -0,0 +1,21 @@
+Resumable.js 1.1.0 — MIT
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

scripts/stamp-assets.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+# usage: scripts/stamp-assets.sh vX.Y.Z /path/to/target/dir
+set -euo pipefail
+
+VER="${1:?usage: stamp-assets.sh vX.Y.Z target_dir}"
+QVER="${VER#v}"
+TARGET="${2:-.}"
+
+echo "Stamping assets in: $TARGET"
+echo "VER=${VER}  QVER=${QVER}"
+
+cd "$TARGET"
+
+# Normalize CRLF to LF (if any files were edited on Windows)
+# We only touch web assets.
+find public \( -name '*.html' -o -name '*.php' -o -name '*.css' -o -name '*.js' \) -type f -print0 \
+  | xargs -0 -r sed -i 's/\r$//'
+
+# --- HTML/CSS/PHP: stamp ?v=... and {{APP_VER}} ---
+# (?v=...) -> ?v=<QVER>
+HTML_CSS_COUNT=0
+while IFS= read -r -d '' f; do
+  sed -E -i "s/(\?v=)[^\"'&<>\s]*/\1${QVER}/g" "$f"
+  sed -E -i "s/\{\{APP_VER\}\}/${VER}/g" "$f"
+  HTML_CSS_COUNT=$((HTML_CSS_COUNT+1))
+done < <(find public -type f \( -name '*.html' -o -name '*.php' -o -name '*.css' \) -print0)
+
+# --- JS: stamp placeholders and normalize any pre-existing ?v=... ---
+JS_COUNT=0
+while IFS= read -r -d '' f; do
+  # Replace placeholders
+  sed -E -i "s/\{\{APP_VER\}\}/${VER}/g" "$f"
+  sed -E -i "s/\{\{APP_QVER\}\}/${QVER}/g" "$f"
+  # Normalize any "?v=..." that appear in ESM imports or strings
+  # This keeps any ".js" or ".mjs" then forces ?v=<QVER>
+  perl -0777 -i -pe "s@(\.m?js)\?v=[^\"')]+@\1?v=${QVER}@g" "$f"
+  JS_COUNT=$((JS_COUNT+1))
+done < <(find public -type f -name '*.js' -print0)
+
+# Force-write version.js (source of truth in stamped output)
+if [[ -f public/js/version.js ]]; then
+  printf "window.APP_VERSION = '%s';\n" "$VER" > public/js/version.js
+fi
+
+echo "Touched files: HTML/CSS/PHP=${HTML_CSS_COUNT}, JS=${JS_COUNT}"
+
+# Final self-check: fail if anything is left
+if grep -R -n -E "{{APP_QVER}}|{{APP_VER}}" public \
+   --include='*.html' --include='*.php' --include='*.css' --include='*.js' 2>/dev/null; then
+  echo "ERROR: Placeholders remain after stamping." >&2
+  exit 2
+fi
+
+echo "✅ Stamped to ${VER} (${QVER})"

src/controllers/AdminController.php

@@ -7,55 +7,60 @@ require_once PROJECT_ROOT . '/src/models/AdminModel.php';
 class AdminController
 { 
     public function getConfig(): void
-{
-    header('Content-Type: application/json');
-
-    // Load raw config (no disclosure yet)
-    $config = AdminModel::getConfig();
-    if (isset($config['error'])) {
-        http_response_code(500);
-        echo json_encode(['error' => $config['error']]);
-        exit;
-    }
-
-    // Minimal, safe subset for all callers (unauth users and regular users)
-    $public = [
-        'header_title'        => $config['header_title'] ?? 'FileRise',
-        'loginOptions'        => [
-            // expose only what the login page / header needs
-            'disableFormLogin'  => (bool)($config['loginOptions']['disableFormLogin']  ?? false),
-            'disableBasicAuth'  => (bool)($config['loginOptions']['disableBasicAuth']  ?? false),
-            'disableOIDCLogin'  => (bool)($config['loginOptions']['disableOIDCLogin']  ?? false),
-        ],
-        'globalOtpauthUrl'    => $config['globalOtpauthUrl'] ?? '',
-        'enableWebDAV'        => (bool)($config['enableWebDAV'] ?? false),
-        'sharedMaxUploadSize' => (int)($config['sharedMaxUploadSize'] ?? 0),
-
-        'oidc' => [
-            'providerUrl' => (string)($config['oidc']['providerUrl'] ?? ''),
-            'redirectUri' => (string)($config['oidc']['redirectUri'] ?? ''),
-            // never expose clientId / clientSecret
-        ],
-    ];
-
-    $isAdmin = !empty($_SESSION['authenticated']) && !empty($_SESSION['isAdmin']);
-
-    if ($isAdmin) {
-        // Add admin-only fields (used by Admin Panel UI)
-        $adminExtra = [
-            'loginOptions' => array_merge($public['loginOptions'], [
-                'authBypass'     => (bool)($config['loginOptions']['authBypass']     ?? false),
-                'authHeaderName' => (string)($config['loginOptions']['authHeaderName'] ?? 'X-Remote-User'),
-            ]),
+    {
+        header('Content-Type: application/json; charset=utf-8');
+    
+        $config = AdminModel::getConfig();
+        if (isset($config['error'])) {
+            http_response_code(500);
+            header('Cache-Control: no-store');
+            echo json_encode(['error' => $config['error']], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+            return;
+        }
+    
+        // Whitelisted public subset only
+        $public = [
+            'header_title'        => (string)($config['header_title'] ?? 'FileRise'),
+            'loginOptions'        => [
+                'disableFormLogin' => (bool)($config['loginOptions']['disableFormLogin'] ?? false),
+                'disableBasicAuth' => (bool)($config['loginOptions']['disableBasicAuth'] ?? false),
+                'disableOIDCLogin' => (bool)($config['loginOptions']['disableOIDCLogin'] ?? false),
+            ],
+            'globalOtpauthUrl'    => (string)($config['globalOtpauthUrl'] ?? ''),
+            'enableWebDAV'        => (bool)($config['enableWebDAV'] ?? false),
+            'sharedMaxUploadSize' => (int)($config['sharedMaxUploadSize'] ?? 0),
+            'oidc' => [
+                'providerUrl' => (string)($config['oidc']['providerUrl'] ?? ''),
+                'redirectUri' => (string)($config['oidc']['redirectUri'] ?? ''),
+                // never include clientId/clientSecret
+            ],
         ];
-        echo json_encode(array_merge($public, $adminExtra));
+    
+        $isAdmin = !empty($_SESSION['authenticated']) && !empty($_SESSION['isAdmin']);
+    
+        if ($isAdmin) {
+            // admin-only extras: presence flags + proxy options
+            $adminExtra = [
+                'loginOptions' => array_merge($public['loginOptions'], [
+                    'authBypass'     => (bool)($config['loginOptions']['authBypass'] ?? false),
+                    'authHeaderName' => (string)($config['loginOptions']['authHeaderName'] ?? 'X-Remote-User'),
+                ]),
+                'oidc' => array_merge($public['oidc'], [
+                    'hasClientId'     => !empty($config['oidc']['clientId']),
+                    'hasClientSecret' => !empty($config['oidc']['clientSecret']),
+                ]),
+            ];
+            header('Cache-Control: no-store'); // don’t cache admin config
+            echo json_encode(array_merge($public, $adminExtra), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+            return;
+        }
+    
+        // Non-admins / unauthenticated: only the public subset
+        header('Cache-Control: no-store');
+        echo json_encode($public, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
         return;
     }
 
-    // Non-admins / unauthenticated: only the public subset
-    echo json_encode($public);
-}
-
     public function updateConfig(): void
     {
         header('Content-Type: application/json');
@@ -99,7 +104,7 @@ class AdminController
             'header_title'        => '',
             'loginOptions'        => [
                 'disableFormLogin' => false,
-                'disableBasicAuth' => false,
+                'disableBasicAuth' => true,
                 'disableOIDCLogin' => true,
                 'authBypass'       => false,
                 'authHeaderName'   => 'X-Remote-User'

src/controllers/AuthController.php

@@ -70,7 +70,10 @@ class AuthController
             if ($oidcAction === 'callback') {
                 try {
                     $oidc->authenticate();
-                    $username = $oidc->requestUserInfo('preferred_username');
+                    $username =
+    $oidc->requestUserInfo('preferred_username')
+    ?: $oidc->requestUserInfo('email')
+    ?: $oidc->requestUserInfo('sub');
 
                     // check if this user has a TOTP secret
                     $totp_secret = null;

src/controllers/FileController.php

@@ -65,6 +65,37 @@ class FileController
         return [];
     }
 
+    private static function folderOfPath(string $path): string {
+        // normalize path to folder; files: use dirname, folders: return path
+        $p = trim(str_replace('\\', '/', $path), "/ \t\r\n");
+        if ($p === '' || $p === 'root') return 'root';
+        // If it ends with a slash or is an existing folder path, treat as folder
+        if (substr($p, -1) === '/') $p = rtrim($p, '/');
+        // For files, take the parent folder
+        $dir = dirname($p);
+        return ($dir === '.' || $dir === '') ? 'root' : $dir;
+    }
+    
+    private static function ensureSrcDstAllowedForCopy(
+        string $user, array $perms, string $srcPath, string $dstFolder
+    ): bool {
+        $srcFolder = ACL::normalizeFolder(self::folderOfPath($srcPath));
+        $dstFolder = ACL::normalizeFolder($dstFolder);
+        // Need to be able to see the source (own or full) and copy into destination
+        return ACL::canReadOwn($user, $perms, $srcFolder)
+            && ACL::canCopy($user, $perms, $dstFolder);
+    }
+    
+    private static function ensureSrcDstAllowedForMove(
+        string $user, array $perms, string $srcPath, string $dstFolder
+    ): bool {
+        $srcFolder = ACL::normalizeFolder(self::folderOfPath($srcPath));
+        $dstFolder = ACL::normalizeFolder($dstFolder);
+        // Move removes from source and adds to dest
+        return ACL::canDelete($user, $perms, $srcFolder)
+            && ACL::canMove($user, $perms, $dstFolder);
+    }
+
     /**
      * Ownership-only enforcement for a set of files in a folder.
      * Returns null if OK, or an error string.
@@ -135,21 +166,26 @@ class FileController
         // Otherwise, require the specific capability on the target folder
         $ok = false;
         switch ($need) {
-            case 'manage':
-                $ok = ACL::canManage($username, $userPermissions, $folder);
-                break;
-            case 'write':
-                $ok = ACL::canWrite($username, $userPermissions, $folder);
-                break;
-            case 'share':
-                $ok = ACL::canShare($username, $userPermissions, $folder);
-                break;
-            case 'read_own':
-                $ok = ACL::canReadOwn($username, $userPermissions, $folder);
-                break;
-            default: // 'read'
-                $ok = ACL::canRead($username, $userPermissions, $folder);
-        }
+                case 'manage':   $ok = ACL::canManage($username, $userPermissions, $folder); break;
+                case 'write':    $ok = ACL::canWrite($username, $userPermissions, $folder);  break; // legacy
+                case 'share':    $ok = ACL::canShare($username, $userPermissions, $folder);  break; // legacy
+                case 'read_own': $ok = ACL::canReadOwn($username, $userPermissions, $folder); break;
+                // granular:
+                case 'create':   $ok = ACL::canCreate($username, $userPermissions, $folder); break;
+                case 'upload':   $ok = ACL::canUpload($username, $userPermissions, $folder); break;
+                case 'edit':     $ok = ACL::canEdit($username, $userPermissions, $folder);   break;
+                case 'rename':   $ok = ACL::canRename($username, $userPermissions, $folder); break;
+                case 'copy':     $ok = ACL::canCopy($username, $userPermissions, $folder);   break;
+                case 'move':     $ok = ACL::canMove($username, $userPermissions, $folder);   break;
+                case 'delete':   $ok = ACL::canDelete($username, $userPermissions, $folder); break;
+                case 'extract':  $ok = ACL::canExtract($username, $userPermissions, $folder); break;
+                case 'shareFile':
+                case 'share_file':   $ok = ACL::canShareFile($username, $userPermissions, $folder);   break;
+                case 'shareFolder':
+                case 'share_folder': $ok = ACL::canShareFolder($username, $userPermissions, $folder); break;
+                default: // 'read'
+                    $ok = ACL::canRead($username, $userPermissions, $folder);
+            }
 
         return $ok ? null : "Forbidden: folder scope violation.";
     }
@@ -209,110 +245,157 @@ class FileController
      * Actions
      * ========================= */
 
-    public function copyFiles()
-    {
-        $this->_jsonStart();
-        try {
-            if (!$this->_checkCsrf()) return;
-            if (!$this->_requireAuth()) return;
+     public function copyFiles()
+     {
+         $this->_jsonStart();
+         try {
+             if (!$this->_checkCsrf()) return;
+             if (!$this->_requireAuth()) return;
+     
+             $data = $this->_readJsonBody();
+             if (
+                 !$data
+                 || !isset($data['source'], $data['destination'], $data['files'])
+                 || !is_array($data['files'])
+             ) {
+                 $this->_jsonOut(["error" => "Invalid request"], 400); return;
+             }
+     
+             $sourceFolder      = $this->_normalizeFolder($data['source']);
+             $destinationFolder = $this->_normalizeFolder($data['destination']);
+             $files             = array_values(array_filter(array_map('basename', (array)$data['files'])));
 
-            $data = $this->_readJsonBody();
-            if (!$data || !isset($data['source'], $data['destination'], $data['files']) || !is_array($data['files'])) {
-                $this->_jsonOut(["error" => "Invalid request"], 400); return;
+     
+             if (!$this->_validFolder($sourceFolder) || !$this->_validFolder($destinationFolder)) {
+                 $this->_jsonOut(["error" => "Invalid folder name(s)."], 400); return;
+             }
+             if (empty($files)) {
+                        $this->_jsonOut(["error" => "No files specified."], 400); return;
+                }
+     
+             $username        = $_SESSION['username'] ?? '';
+             $userPermissions = $this->loadPerms($username);
+     
+             // --- Permission gates (granular) ------------------------------------
+             // Source: own-only view is enough to copy (we'll enforce ownership below if no full read)
+             $hasSourceView = ACL::canReadOwn($username, $userPermissions, $sourceFolder)
+                            || $this->ownsFolderOrAncestor($sourceFolder, $username, $userPermissions);
+             if (!$hasSourceView) {
+                 $this->_jsonOut(["error" => "Forbidden: no read access to source"], 403); return;
+             }
+     
+             // Destination: must have 'copy' capability (or own ancestor)
+             $hasDestCreate = ACL::canCreate($username, $userPermissions, $destinationFolder)
+                          || $this->ownsFolderOrAncestor($destinationFolder, $username, $userPermissions);
+            if (!$hasDestCreate) {
+                $this->_jsonOut(["error" => "Forbidden: no write access to destination"], 403); return;
             }
 
-            $sourceFolder      = $this->_normalizeFolder($data['source']);
-            $destinationFolder = $this->_normalizeFolder($data['destination']);
-            $files             = $data['files'];
+            $needSrcScope = ACL::canRead($username, $userPermissions, $sourceFolder) ? 'read' : 'read_own';
+     
+             // Folder-scope checks with the needed capabilities
+             $sv = $this->enforceFolderScope($sourceFolder, $username, $userPermissions, $needSrcScope);
+            if ($sv) { $this->_jsonOut(["error" => $sv], 403); return; }
+     
+             $dv = $this->enforceFolderScope($destinationFolder, $username, $userPermissions, 'create');
+             if ($dv) { $this->_jsonOut(["error" => $dv], 403); return; }
+     
+             // If the user doesn't have full read on source (only read_own), enforce per-file ownership
+             $ignoreOwnership = $this->isAdmin($userPermissions)
+                 || ($userPermissions['bypassOwnership'] ?? (defined('DEFAULT_BYPASS_OWNERSHIP') ? DEFAULT_BYPASS_OWNERSHIP : false));
+     
+             if (
+                 !$ignoreOwnership
+                 && !ACL::canRead($username, $userPermissions, $sourceFolder)   // no explicit full read
+                 && ACL::hasGrant($username, $sourceFolder, 'read_own')         // but has own-only
+             ) {
+                 $ownErr = $this->enforceScopeAndOwnership($sourceFolder, $files, $username, $userPermissions);
+                 if ($ownErr) { $this->_jsonOut(["error" => $ownErr], 403); return; }
+             }
 
-            if (!$this->_validFolder($sourceFolder) || !$this->_validFolder($destinationFolder)) {
-                $this->_jsonOut(["error" => "Invalid folder name(s)."], 400); return;
-            }
+             // Account flags: copy writes new objects into destination
+           if (!empty($userPermissions['readOnly'])) {
+                    $this->_jsonOut(["error" => "Account is read-only."], 403); return;
+                }
+                if (!empty($userPermissions['disableUpload'])) {
+                    $this->_jsonOut(["error" => "Uploads are disabled for your account."], 403); return;
+                }
+     
+             // --- Do the copy ----------------------------------------------------
+             $result = FileModel::copyFiles($sourceFolder, $destinationFolder, $files);
+             $this->_jsonOut($result);
+     
+         } catch (Throwable $e) {
+             error_log('FileController::copyFiles error: '.$e->getMessage().' @ '.$e->getFile().':'.$e->getLine());
+             $this->_jsonOut(['error' => 'Internal server error while copying files.'], 500);
+         } finally {
+             $this->_jsonEnd();
+         }
+     }
 
-            $username        = $_SESSION['username'] ?? '';
-            $userPermissions = $this->loadPerms($username);
+public function deleteFiles()
+{
+    $this->_jsonStart();
+    try {
+        if (!$this->_checkCsrf()) return;
+        if (!$this->_requireAuth()) return;
 
-            // Gate: need read on source (or ancestor-owner) and write on destination (or ancestor-owner)
-            if (!(ACL::canRead($username, $userPermissions, $sourceFolder) || $this->ownsFolderOrAncestor($sourceFolder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no read access to source"], 403); return;
-            }
-            if (!(ACL::canWrite($username, $userPermissions, $destinationFolder) || $this->ownsFolderOrAncestor($destinationFolder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access to destination"], 403); return;
-            }
+        $data = $this->_readJsonBody();
+        if (!is_array($data) || !isset($data['files']) || !is_array($data['files'])) {
+            $this->_jsonOut(["error" => "No file names provided"], 400); return;
+        }
 
-            // Folder-scope checks with the needed capabilities
-            $sv = $this->enforceFolderScope($sourceFolder, $username, $userPermissions, 'read');
-            if ($sv) { $this->_jsonOut(["error"=>$sv], 403); return; }
+        // sanitize/normalize the list (empty names filtered out)
+        $files = array_values(array_filter(array_map('strval', $data['files']), fn($s) => $s !== ''));
+        if (!$files) {
+            $this->_jsonOut(["error" => "No file names provided"], 400); return;
+        }
 
-            $dv = $this->enforceFolderScope($destinationFolder, $username, $userPermissions, 'write');
-            if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
+        $folder = $this->_normalizeFolder($data['folder'] ?? 'root');
+        if (!$this->_validFolder($folder)) {
+            $this->_jsonOut(["error" => "Invalid folder name."], 400); return;
+        }
 
-            // If the user doesn't have full read on source (only read_own), enforce per-file ownership
-            $ignoreOwnership = $this->isAdmin($userPermissions)
-                || ($userPermissions['bypassOwnership'] ?? (defined('DEFAULT_BYPASS_OWNERSHIP') ? DEFAULT_BYPASS_OWNERSHIP : false));
-            if (
-                !$ignoreOwnership
-                && !ACL::canRead($username, $userPermissions, $sourceFolder)   // no explicit full read
-                && ACL::hasGrant($username, $sourceFolder, 'read_own')         // but has own-only
-            ) {
-                $ownErr = $this->enforceScopeAndOwnership($sourceFolder, $files, $username, $userPermissions);
-                if ($ownErr) { $this->_jsonOut(["error"=>$ownErr], 403); return; }
-            }
+        $username        = $_SESSION['username'] ?? '';
+        $userPermissions = $this->loadPerms($username);
 
-            $result = FileModel::copyFiles($sourceFolder, $destinationFolder, $files);
-            $this->_jsonOut($result);
-        } catch (Throwable $e) {
-            error_log('FileController::copyFiles error: '.$e->getMessage().' @ '.$e->getFile().':'.$e->getLine());
-            $this->_jsonOut(['error' => 'Internal server error while copying files.'], 500);
-        } finally { $this->_jsonEnd(); }
-    }
+        // --- Permission gates (granular) ------------------------------------
+        // Need delete on folder (or ancestor-owner)
+        $hasDelete = ACL::canDelete($username, $userPermissions, $folder)
+                  || $this->ownsFolderOrAncestor($folder, $username, $userPermissions);
+        if (!$hasDelete) {
+            $this->_jsonOut(["error" => "Forbidden: no delete permission"], 403); return;
+        }
 
-    public function deleteFiles()
-    {
-        $this->_jsonStart();
-        try {
-            if (!$this->_checkCsrf()) return;
-            if (!$this->_requireAuth()) return;
+        // --- Folder-scope check (granular) ----------------------------------
+        $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'delete');
+        if ($dv) { $this->_jsonOut(["error" => $dv], 403); return; }
 
-            $data = $this->_readJsonBody();
-            if (!isset($data['files']) || !is_array($data['files'])) {
-                $this->_jsonOut(["error" => "No file names provided"], 400); return;
-            }
+        // --- Ownership enforcement when user only has viewOwn ----------------
+        $ignoreOwnership = $this->isAdmin($userPermissions)
+            || ($userPermissions['bypassOwnership'] ?? (defined('DEFAULT_BYPASS_OWNERSHIP') ? DEFAULT_BYPASS_OWNERSHIP : false));
+        $isFolderOwner = ACL::isOwner($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions);
 
-            $folder = $this->_normalizeFolder($data['folder'] ?? 'root');
-            if (!$this->_validFolder($folder)) {
-                $this->_jsonOut(["error" => "Invalid folder name."], 400); return;
-            }
+        // If user is not owner/admin and does NOT have full view, but does have own-only, enforce per-file ownership
+        if (
+            !$ignoreOwnership
+            && !$isFolderOwner
+            && !ACL::canRead($username, $userPermissions, $folder)   // lacks full read
+            && ACL::hasGrant($username, $folder, 'read_own')         // has own-only
+        ) {
+            $ownErr = $this->enforceScopeAndOwnership($folder, $files, $username, $userPermissions);
+            if ($ownErr) { $this->_jsonOut(["error" => $ownErr], 403); return; }
+        }
 
-            $username        = $_SESSION['username'] ?? '';
-            $userPermissions = $this->loadPerms($username);
+        // --- Perform delete --------------------------------------------------
+        $result = FileModel::deleteFiles($folder, $files);
+        $this->_jsonOut($result);
 
-            // Need write (or ancestor-owner)
-            if (!(ACL::canWrite($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access"], 403); return;
-            }
-
-            // Folder-scope: write
-            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'write');
-            if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
-
-            // Ownership enforcement for non-admins who are not folder owners
-            $ignoreOwnership = $this->isAdmin($userPermissions)
-                || ($userPermissions['bypassOwnership'] ?? (defined('DEFAULT_BYPASS_OWNERSHIP') ? DEFAULT_BYPASS_OWNERSHIP : false));
-            $isFolderOwner = ACL::isOwner($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions);
-
-            if (!$ignoreOwnership && !$isFolderOwner) {
-                $violation = $this->enforceScopeAndOwnership($folder, $data['files'], $username, $userPermissions);
-                if ($violation) { $this->_jsonOut(["error"=>$violation], 403); return; }
-            }
-
-            $result = FileModel::deleteFiles($folder, $data['files']);
-            $this->_jsonOut($result);
-        } catch (Throwable $e) {
-            error_log('FileController::deleteFiles error: '.$e->getMessage().' @ '.$e->getFile().':'.$e->getLine());
-            $this->_jsonOut(['error' => 'Internal server error while deleting files.'], 500);
-        } finally { $this->_jsonEnd(); }
-    }
+    } catch (Throwable $e) {
+        error_log('FileController::deleteFiles error: '.$e->getMessage().' @ '.$e->getFile().':'.$e->getLine());
+        $this->_jsonOut(['error' => 'Internal server error while deleting files.'], 500);
+    } finally { $this->_jsonEnd(); }
+}
 
     public function moveFiles()
     {
@@ -320,41 +403,59 @@ class FileController
         try {
             if (!$this->_checkCsrf()) return;
             if (!$this->_requireAuth()) return;
-
+    
             $data = $this->_readJsonBody();
-            if (!$data || !isset($data['source'], $data['destination'], $data['files']) || !is_array($data['files'])) {
+            if (
+                !$data
+                || !isset($data['source'], $data['destination'], $data['files'])
+                || !is_array($data['files'])
+            ) {
                 $this->_jsonOut(["error" => "Invalid request"], 400); return;
             }
-
+    
             $sourceFolder      = $this->_normalizeFolder($data['source']);
             $destinationFolder = $this->_normalizeFolder($data['destination']);
             if (!$this->_validFolder($sourceFolder) || !$this->_validFolder($destinationFolder)) {
                 $this->_jsonOut(["error" => "Invalid folder name(s)."], 400); return;
             }
-
-            $username        = $_SESSION['username'] ?? '';
-            $userPermissions = $this->loadPerms($username);
-
-            // Require write on both ends (or ancestor-owner on each end)
-            if (!(ACL::canWrite($username, $userPermissions, $sourceFolder) || $this->ownsFolderOrAncestor($sourceFolder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access to source"], 403); return;
+    
+            $files            = $data['files'];
+            $username         = $_SESSION['username'] ?? '';
+            $userPermissions  = $this->loadPerms($username);
+    
+            // --- Permission gates (granular) ------------------------------------
+            // Must be able to at least SEE the source and DELETE there
+            $hasSourceView = ACL::canReadOwn($username, $userPermissions, $sourceFolder)
+                           || $this->ownsFolderOrAncestor($sourceFolder, $username, $userPermissions);
+            if (!$hasSourceView) {
+                $this->_jsonOut(["error" => "Forbidden: no read access to source"], 403); return;
             }
-            if (!(ACL::canWrite($username, $userPermissions, $destinationFolder) || $this->ownsFolderOrAncestor($destinationFolder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access to destination"], 403); return;
+    
+            $hasSourceDelete = ACL::canDelete($username, $userPermissions, $sourceFolder)
+                            || $this->ownsFolderOrAncestor($sourceFolder, $username, $userPermissions);
+            if (!$hasSourceDelete) {
+                $this->_jsonOut(["error" => "Forbidden: no delete permission on source"], 403); return;
             }
-
-            $files = $data['files'];
-
-            // Folder scope: need WRITE on both ends for a move
-            $sv = $this->enforceFolderScope($sourceFolder, $username, $userPermissions, 'write');
-            if ($sv) { $this->_jsonOut(["error"=>$sv], 403); return; }
-            $dv = $this->enforceFolderScope($destinationFolder, $username, $userPermissions, 'write');
-            if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
-
-            // If the user doesn't have full read on source (only read_own), enforce per-file ownership
+    
+            // Destination must allow MOVE
+            $hasDestMove = ACL::canMove($username, $userPermissions, $destinationFolder)
+                        || $this->ownsFolderOrAncestor($destinationFolder, $username, $userPermissions);
+            if (!$hasDestMove) {
+                $this->_jsonOut(["error" => "Forbidden: no move permission on destination"], 403); return;
+            }
+    
+            // --- Folder-scope checks --------------------------------------------
+            // Source needs 'delete' scope; destination needs 'move' scope
+            $sv = $this->enforceFolderScope($sourceFolder, $username, $userPermissions, 'delete');
+            if ($sv) { $this->_jsonOut(["error" => $sv], 403); return; }
+    
+            $dv = $this->enforceFolderScope($destinationFolder, $username, $userPermissions, 'move');
+            if ($dv) { $this->_jsonOut(["error" => $dv], 403); return; }
+    
+            // --- Ownership enforcement when only viewOwn on source --------------
             $ignoreOwnership = $this->isAdmin($userPermissions)
                 || ($userPermissions['bypassOwnership'] ?? (defined('DEFAULT_BYPASS_OWNERSHIP') ? DEFAULT_BYPASS_OWNERSHIP : false));
-
+    
             if (
                 !$ignoreOwnership
                 && !ACL::canRead($username, $userPermissions, $sourceFolder)   // no explicit full read
@@ -363,13 +464,17 @@ class FileController
                 $ownErr = $this->enforceScopeAndOwnership($sourceFolder, $files, $username, $userPermissions);
                 if ($ownErr) { $this->_jsonOut(["error"=>$ownErr], 403); return; }
             }
-
+    
+            // --- Perform move ----------------------------------------------------
             $result = FileModel::moveFiles($sourceFolder, $destinationFolder, $files);
             $this->_jsonOut($result);
+    
         } catch (Throwable $e) {
             error_log('FileController::moveFiles error: '.$e->getMessage().' @ '.$e->getFile().':'.$e->getLine());
             $this->_jsonOut(['error' => 'Internal server error while moving files.'], 500);
-        } finally { $this->_jsonEnd(); }
+        } finally {
+            $this->_jsonEnd();
+        }
     }
 
     public function renameFile()
@@ -378,12 +483,12 @@ class FileController
         try {
             if (!$this->_checkCsrf()) return;
             if (!$this->_requireAuth()) return;
-
+    
             $data = $this->_readJsonBody();
             if (!$data || !isset($data['folder'], $data['oldName'], $data['newName'])) {
                 $this->_jsonOut(["error" => "Invalid input"], 400); return;
             }
-
+    
             $folder  = $this->_normalizeFolder($data['folder']);
             $oldName = basename(trim((string)$data['oldName']));
             $newName = basename(trim((string)$data['newName']));
@@ -391,19 +496,19 @@ class FileController
             if (!$this->_validFile($oldName) || !$this->_validFile($newName)) {
                 $this->_jsonOut(["error"=>"Invalid file name(s)."], 400); return;
             }
-
+    
             $username        = $_SESSION['username'] ?? '';
             $userPermissions = $this->loadPerms($username);
-
-            // Need write (or ancestor-owner)
-            if (!(ACL::canWrite($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access"], 403); return;
+    
+            // Need granular rename (or ancestor-owner)
+            if (!(ACL::canRename($username, $userPermissions, $folder))) {
+                $this->_jsonOut(["error"=>"Forbidden: no rename rights"], 403); return;
             }
-
-            // Folder scope: write
-            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'write');
+    
+            // Folder scope: rename
+            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'rename');
             if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
-
+    
             // Ownership for non-admins when not a folder owner
             $ignoreOwnership = $this->isAdmin($userPermissions)
                 || ($userPermissions['bypassOwnership'] ?? (defined('DEFAULT_BYPASS_OWNERSHIP') ? DEFAULT_BYPASS_OWNERSHIP : false));
@@ -412,7 +517,7 @@ class FileController
                 $violation = $this->enforceScopeAndOwnership($folder, [$oldName], $username, $userPermissions);
                 if ($violation) { $this->_jsonOut(["error"=>$violation], 403); return; }
             }
-
+    
             $result = FileModel::renameFile($folder, $oldName, $newName);
             if (!is_array($result)) throw new RuntimeException('FileModel::renameFile returned non-array');
             if (isset($result['error'])) { $this->_jsonOut($result, 400); return; }
@@ -444,12 +549,12 @@ class FileController
             $userPermissions = $this->loadPerms($username);
 
             // Need write (or ancestor-owner)
-            if (!(ACL::canWrite($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access"], 403); return;
+            if (!(ACL::canEdit($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
+                $this->_jsonOut(["error"=>"Forbidden: no full write access"], 403); return;
             }
 
             // Folder scope: write
-            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'write');
+            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'edit');
             if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
 
             // If overwriting, enforce ownership for non-admins (unless folder owner)
@@ -580,7 +685,7 @@ class FileController
             $perms    = $this->loadPerms($username);
 
             // Optional zip gate by account flag
-            if (!$this->isAdmin($perms) && array_key_exists('canZip', $perms) && !$perms['canZip']) {
+            if (!$this->isAdmin($perms) && !empty($perms['disableZip'])) {
                 $this->_jsonOut(["error" => "ZIP downloads are not allowed for your account."], 403); return;
             }
 
@@ -652,12 +757,12 @@ class FileController
             $perms    = $this->loadPerms($username);
 
             // must be able to write into target folder (or be ancestor-owner)
-            if (!(ACL::canWrite($username, $perms, $folder) || $this->ownsFolderOrAncestor($folder, $username, $perms))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access to destination"], 403); return;
+            if (!(ACL::canExtract($username, $perms, $folder) || $this->ownsFolderOrAncestor($folder, $username, $perms))) {
+                $this->_jsonOut(["error"=>"Forbidden: no full write access to destination"], 403); return;
             }
 
             // Folder scope: write
-            $dv = $this->enforceFolderScope($folder, $username, $perms, 'write');
+            $dv = $this->enforceFolderScope($folder, $username, $perms, 'extract');
             if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
 
             $result = FileModel::extractZipArchive($folder, $data['files']);
@@ -785,7 +890,7 @@ class FileController
             $userPermissions = $this->loadPerms($username);
 
             // Need share (or ancestor-owner)
-            if (!(ACL::canShare($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
+            if (!(ACL::canShareFile($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
                 $this->_jsonOut(["error"=>"Forbidden: no share access"], 403); return;
             }
 
@@ -936,7 +1041,7 @@ class FileController
 
             // Need write (or ancestor-owner)
             if (!(ACL::canWrite($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access"], 403); return;
+                $this->_jsonOut(["error"=>"Forbidden: no full write access"], 403); return;
             }
 
             // Folder scope: write
@@ -967,49 +1072,78 @@ class FileController
     {
         if (session_status() !== PHP_SESSION_ACTIVE) session_start();
         header('Content-Type: application/json; charset=utf-8');
-
+    
         // convert warnings/notices to exceptions for cleaner error handling
         set_error_handler(function ($severity, $message, $file, $line) {
             if (!(error_reporting() & $severity)) return;
             throw new ErrorException($message, 0, $severity, $file, $line);
         });
-
+    
         try {
             if (empty($_SESSION['username'])) {
                 http_response_code(401);
                 echo json_encode(['error' => 'Unauthorized']);
                 return;
             }
-
+    
             if (!is_dir(META_DIR)) @mkdir(META_DIR, 0775, true);
-
-            $folder = isset($_GET['folder']) ? trim((string)$_GET['folder']) : 'root';
-            if ($folder !== 'root' && !preg_match(REGEX_FOLDER_NAME, $folder)) {
-                http_response_code(400);
-                echo json_encode(['error' => 'Invalid folder name.']);
-                return;
-            }
-
             if (!is_dir(UPLOAD_DIR)) {
                 http_response_code(500);
                 echo json_encode(['error' => 'Uploads directory not found.']);
                 return;
             }
-
+    
+            // --- inputs ---
+            $folder = isset($_GET['folder']) ? trim((string)$_GET['folder']) : 'root';
+    
+            // Validate folder path: allow "root" or nested segments that each match REGEX_FOLDER_NAME
+            if ($folder !== 'root') {
+                $parts = array_filter(explode('/', trim($folder, "/\\ ")));
+                if (empty($parts)) {
+                    http_response_code(400);
+                    echo json_encode(['error' => 'Invalid folder name.']);
+                    return;
+                }
+                foreach ($parts as $seg) {
+                    if (!preg_match(REGEX_FOLDER_NAME, $seg)) {
+                        http_response_code(400);
+                        echo json_encode(['error' => 'Invalid folder name.']);
+                        return;
+                    }
+                }
+                $folder = implode('/', $parts);
+            }
+    
             // ---- Folder-level view checks (full vs own-only) ----
             $username = $_SESSION['username'] ?? '';
             $perms    = $this->loadPerms($username);
-
+    
             // Full view if read OR ancestor owner
-            $fullView = ACL::canRead($username, $perms, $folder) || $this->ownsFolderOrAncestor($folder, $username, $perms);
+            $fullView     = ACL::canRead($username, $perms, $folder) || $this->ownsFolderOrAncestor($folder, $username, $perms);
             $ownOnlyGrant = ACL::hasGrant($username, $folder, 'read_own');
-
-            if (!$fullView && !$ownOnlyGrant) {
+    
+            // Special-case: keep Root visible but inert if user lacks any visibility there.
+            if ($folder === 'root' && !$fullView && !$ownOnlyGrant) {
+                echo json_encode([
+                    'success' => true,
+                    'folder'  => 'root',
+                    'files'   => [],
+                    // Optional hint the UI can use to show a soft message / disable actions:
+                    'uiHints' => [
+                        'noAccessRoot' => true,
+                        'message'      => "You don't have access to Root. Select a folder you have access to."
+                    ],
+                ], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+                return;
+            }
+    
+            // Non-root: still enforce 403 if no visibility
+            if ($folder !== 'root' && !$fullView && !$ownOnlyGrant) {
                 http_response_code(403);
                 echo json_encode(['error' => 'Forbidden: no view access to this folder.']);
                 return;
             }
-
+    
             // Fetch the list
             $result = FileModel::getFileList($folder);
             if ($result === false || $result === null) {
@@ -1025,12 +1159,12 @@ class FileController
                 echo json_encode($result);
                 return;
             }
-
+    
             // ---- Apply own-only filter if user does NOT have full view ----
             if (!$fullView && $ownOnlyGrant && isset($result['files'])) {
                 $files = $result['files'];
-
-                // If files keyed by filename
+    
+                // If files keyed by filename (assoc array)
                 if (is_array($files) && array_keys($files) !== range(0, count($files) - 1)) {
                     $filtered = [];
                     foreach ($files as $name => $meta) {
@@ -1040,7 +1174,7 @@ class FileController
                     }
                     $result['files'] = $filtered;
                 }
-                // If files are a numeric array of metadata
+                // If files is a numeric array of metadata items
                 else if (is_array($files)) {
                     $result['files'] = array_values(array_filter(
                         $files,
@@ -1050,7 +1184,7 @@ class FileController
                     ));
                 }
             }
-
+    
             echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
         } catch (Throwable $e) {
             error_log('FileController::getFileList error: '.$e->getMessage().' in '.$e->getFile().':'.$e->getLine());
@@ -1117,12 +1251,12 @@ class FileController
             $userPermissions = $this->loadPerms($username);
 
             // Need write (or ancestor-owner)
-            if (!(ACL::canWrite($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
-                $this->_jsonOut(["error"=>"Forbidden: no write access"], 403); return;
+            if (!(ACL::canCreate($username, $userPermissions, $folder) || $this->ownsFolderOrAncestor($folder, $username, $userPermissions))) {
+                $this->_jsonOut(["error"=>"Forbidden: no full write access"], 403); return;
             }
 
             // Folder scope: write
-            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'write');
+            $dv = $this->enforceFolderScope($folder, $username, $userPermissions, 'create');
             if ($dv) { $this->_jsonOut(["error"=>$dv], 403); return; }
 
             $result = FileModel::createFile($folder, $filename, $username);

src/controllers/FolderController.php

@@ -150,35 +150,65 @@ class FolderController
      * $need: 'read' | 'write' | 'manage' | 'share' | 'read_own' (default 'read')
      * Returns null if allowed, or an error string if forbidden.
      */
-    private static function enforceFolderScope(string $folder, string $username, array $perms, string $need = 'read'): ?string
-    {
-        // Admins bypass scope
-        if (self::isAdmin($perms)) return null;
+    // In FolderController.php
+private static function enforceFolderScope(
+    string $folder,
+    string $username,
+    array  $perms,
+    string $need = 'read'
+): ?string {
+    // Admins bypass scope
+    if (self::isAdmin($perms)) return null;
 
-        // Not a folder-only account? no gate here
-        if (!self::isFolderOnly($perms)) return null;
+    // If this account isn't folder-scoped, don't gate here
+    if (!self::isFolderOnly($perms)) return null;
 
-        $folder = ACL::normalizeFolder($folder);
+    $folder = ACL::normalizeFolder($folder);
 
-        // If user owns folder or an ancestor, allow
-        $f = $folder;
-        while ($f !== '' && strtolower($f) !== 'root') {
-            if (ACL::isOwner($username, $perms, $f)) return null;
-            $pos = strrpos($f, '/');
-            $f = ($pos === false) ? '' : substr($f, 0, $pos);
-        }
-
-        // Otherwise, require specific capability on the target folder
-        switch ($need) {
-            case 'manage':   $ok = ACL::canManage($username, $perms, $folder); break;
-            case 'write':    $ok = ACL::canWrite($username, $perms, $folder);  break;
-            case 'share':    $ok = ACL::canShare($username, $perms, $folder);  break;
-            case 'read_own': $ok = ACL::canReadOwn($username, $perms, $folder);break;
-            default:         $ok = ACL::canRead($username, $perms, $folder);
-        }
-        return $ok ? null : "Forbidden: folder scope violation.";
+    // If user owns folder or an ancestor, allow
+    $f = $folder;
+    while ($f !== '' && strtolower($f) !== 'root') {
+        if (ACL::isOwner($username, $perms, $f)) return null;
+        $pos = strrpos($f, '/');
+        $f = ($pos === false) ? '' : substr($f, 0, $pos);
     }
 
+    // Normalize aliases so callers can pass either camelCase or snake_case
+    switch ($need) {
+        case 'manage':      $ok = ACL::canManage($username, $perms, $folder);      break;
+
+        // legacy:
+        case 'write':       $ok = ACL::canWrite($username, $perms, $folder);       break;
+        case 'share':       $ok = ACL::canShare($username, $perms, $folder);       break;
+
+        // read flavors:
+        case 'read_own':    $ok = ACL::canReadOwn($username, $perms, $folder);     break;
+        case 'read':        $ok = ACL::canRead($username, $perms, $folder);        break;
+
+        // granular write-ish:
+        case 'create':      $ok = ACL::canCreate($username, $perms, $folder);      break;
+        case 'upload':      $ok = ACL::canUpload($username, $perms, $folder);      break;
+        case 'edit':        $ok = ACL::canEdit($username, $perms, $folder);        break;
+        case 'rename':      $ok = ACL::canRename($username, $perms, $folder);      break;
+        case 'copy':        $ok = ACL::canCopy($username, $perms, $folder);        break;
+        case 'move':        $ok = ACL::canMove($username, $perms, $folder);        break;
+        case 'delete':      $ok = ACL::canDelete($username, $perms, $folder);      break;
+        case 'extract':     $ok = ACL::canExtract($username, $perms, $folder);     break;
+
+        // granular share (support both key styles)
+        case 'shareFile':
+        case 'share_file':  $ok = ACL::canShareFile($username, $perms, $folder);   break;
+        case 'shareFolder':
+        case 'share_folder':$ok = ACL::canShareFolder($username, $perms, $folder); break;
+
+        default:
+            // Default to full read if unknown need was passed
+            $ok = ACL::canRead($username, $perms, $folder);
+    }
+
+    return $ok ? null : "Forbidden: folder scope violation.";
+}
+
     /** Returns true if caller can ignore ownership (admin or bypassOwnership/default). */
     private static function canBypassOwnership(array $perms): bool
     {
@@ -194,49 +224,58 @@ class FolderController
 
     /* -------------------- API: Create Folder -------------------- */
     public function createFolder(): void
-    {
-        header('Content-Type: application/json');
-        self::requireAuth();
-        if ($_SERVER['REQUEST_METHOD'] !== 'POST') { http_response_code(405); echo json_encode(['error' => 'Method not allowed.']); exit; }
-        self::requireCsrf();
-        self::requireNotReadOnly();
+{
+    header('Content-Type: application/json');
+    self::requireAuth();
+    if ($_SERVER['REQUEST_METHOD'] !== 'POST') { http_response_code(405); echo json_encode(['error' => 'Method not allowed.']); return; }
+    self::requireCsrf();
+    self::requireNotReadOnly();
 
-        $input = json_decode(file_get_contents('php://input'), true);
-        if (!isset($input['folderName'])) { http_response_code(400); echo json_encode(['error' => 'Folder name not provided.']); exit; }
+    try {
+        $input = json_decode(file_get_contents('php://input'), true) ?? [];
+        if (!isset($input['folderName'])) { http_response_code(400); echo json_encode(['error' => 'Folder name not provided.']); return; }
 
         $folderName = trim((string)$input['folderName']);
-        $parentIn   = isset($input['parent']) ? trim((string)$input['parent']) : '';
+        $parentIn   = isset($input['parent']) ? trim((string)$input['parent']) : 'root';
 
         if (!preg_match(REGEX_FOLDER_NAME, $folderName)) {
-            http_response_code(400); echo json_encode(['error' => 'Invalid folder name.']); exit;
+            http_response_code(400); echo json_encode(['error' => 'Invalid folder name.']); return;
         }
         if ($parentIn !== '' && strcasecmp($parentIn, 'root') !== 0 && !preg_match(REGEX_FOLDER_NAME, $parentIn)) {
-            http_response_code(400); echo json_encode(['error' => 'Invalid parent folder name.']); exit;
+            http_response_code(400); echo json_encode(['error' => 'Invalid parent folder name.']); return;
         }
 
-        // Normalize parent to an ACL key
-        $parent = ($parentIn === '' || strcasecmp($parentIn, 'root') === 0) ? 'root' : $parentIn;
+        $parent = ($parentIn === '' ? 'root' : $parentIn);
 
         $username = $_SESSION['username'] ?? '';
         $perms    = self::getPerms();
 
-        // Must be able to write into parent OR be owner (or ancestor owner) of it
-        if (!(ACL::canWrite($username, $perms, $parent) || self::ownsFolderOrAncestor($parent, $username, $perms))) {
+        // Need create on parent OR ownership on parent/ancestor
+        if (!(ACL::canCreateFolder($username, $perms, $parent) || self::ownsFolderOrAncestor($parent, $username, $perms))) {
             http_response_code(403);
-            echo json_encode(['error' => 'Forbidden: no write access to parent folder.']);
+            echo json_encode(['error' => 'Forbidden: manager/owner required on parent.']);
             exit;
         }
 
-        // Folder-scope gate for folder-only accounts (need write on parent)
-        if ($msg = self::enforceFolderScope($parent, $username, $perms, 'write')) {
-            http_response_code(403); echo json_encode(['error' => $msg]); exit;
+        // Folder-scope gate for folder-only accounts (need create on parent)
+        if ($msg = self::enforceFolderScope($parent, $username, $perms, 'manage')) {
+            http_response_code(403); echo json_encode(['error' => $msg]); return;
         }
 
-        // Model should create folder and seed ACL (owner = creator)
         $result = FolderModel::createFolder($folderName, $parent, $username);
+        if (empty($result['success'])) {
+            http_response_code(400);
+            echo json_encode($result);
+            return;
+        }
+
         echo json_encode($result);
-        exit;
+    } catch (Throwable $e) {
+        error_log('createFolder fatal: '.$e->getMessage().' @ '.$e->getFile().':'.$e->getLine());
+        http_response_code(500);
+        echo json_encode(['error' => 'Internal error creating folder.']);
     }
+}
 
     /* -------------------- API: Delete Folder -------------------- */
     public function deleteFolder(): void
@@ -307,11 +346,11 @@ class FolderController
             http_response_code(403); echo json_encode(["error" => $msg]); exit;
         }
         // For the new folder path, require write scope (we're "creating" a path)
-        if ($msg = self::enforceFolderScope($newFolder, $username, $perms, 'write')) {
+        if ($msg = self::enforceFolderScope($newFolder, $username, $perms, 'manage')) {
             http_response_code(403); echo json_encode(["error" => "New path not allowed: " . $msg]); exit;
         }
 
-        // Strong gates: need manage on old OR ancestor owner; need write on new parent or ancestor owner
+        // Strong gates: need manage on old OR ancestor owner; need manage on new parent OR ancestor owner
         $canManageOld = ACL::canManage($username, $perms, $oldFolder) || self::ownsFolderOrAncestor($oldFolder, $username, $perms);
         if (!$canManageOld) {
             http_response_code(403); echo json_encode(['error' => 'Forbidden: you lack manage rights on the source folder.']); exit;
@@ -656,4 +695,79 @@ for ($i = $startPage; $i <= $endPage; $i++): ?>
             echo json_encode(['success' => false, 'error' => 'Not found']);
         }
     }
-}
+
+    /* -------------------- API: Move Folder -------------------- */
+    public function moveFolder(): void
+    {
+        header('Content-Type: application/json; charset=utf-8');
+        self::requireAuth();
+        if (($_SERVER['REQUEST_METHOD'] ?? 'GET') !== 'POST') { http_response_code(405); echo json_encode(['error'=>'Method not allowed']); return; }
+        // CSRF: accept header or form field
+        $hdr = $_SERVER['HTTP_X_CSRF_TOKEN'] ?? '';
+        $tok = $_SESSION['csrf_token'] ?? '';
+        if (!$hdr || !$tok || !hash_equals((string)$tok, (string)$hdr)) { http_response_code(403); echo json_encode(['error'=>'Invalid CSRF token']); return; }
+
+        $raw = file_get_contents('php://input');
+        $input = json_decode($raw ?: "{}", true);
+        $source = trim((string)($input['source'] ?? ''));
+        $destination = trim((string)($input['destination'] ?? ''));
+
+        if ($source === '' || strcasecmp($source,'root')===0) { http_response_code(400); echo json_encode(['error'=>'Invalid source folder']); return; }
+        if ($destination === '') $destination = 'root';
+
+        // basic segment validation
+        foreach ([$source,$destination] as $f) {
+            if ($f==='root') continue;
+            $parts = array_filter(explode('/', trim($f, "/\\ ")), fn($p)=>$p!=='');
+            foreach ($parts as $seg) {
+                if (!preg_match(REGEX_FOLDER_NAME, $seg)) { http_response_code(400); echo json_encode(['error'=>'Invalid folder segment']); return; }
+            }
+        }
+
+        $srcNorm = trim($source, "/\\ ");
+        $dstNorm = $destination==='root' ? '' : trim($destination, "/\\ ");
+
+        // prevent move into self/descendant
+        if ($dstNorm !== '' && (strcasecmp($dstNorm,$srcNorm)===0 || strpos($dstNorm.'/', $srcNorm.'/')===0)) {
+            http_response_code(400); echo json_encode(['error'=>'Destination cannot be the source or its descendant']); return;
+        }
+
+        $username = $_SESSION['username'] ?? '';
+        $perms = $this->loadPerms($username);
+
+        // enforce scopes (source manage-ish, dest write-ish)
+        if ($msg = self::enforceFolderScope($source, $username, $perms, 'manage')) { http_response_code(403); echo json_encode(['error'=>$msg]); return; }
+        if ($msg = self::enforceFolderScope($destination, $username, $perms, 'write')) { http_response_code(403); echo json_encode(['error'=>$msg]); return; }
+
+        // Check capabilities using ACL helpers
+        $canManageSource = ACL::canManage($username, $perms, $source) || ACL::isOwner($username, $perms, $source);
+        $canMoveIntoDest = ACL::canMove($username, $perms, $destination) || ($destination==='root' ? self::isAdmin($perms) : ACL::isOwner($username, $perms, $destination));
+        if (!$canManageSource) { http_response_code(403); echo json_encode(['error'=>'Forbidden: manage rights required on source']); return; }
+        if (!$canMoveIntoDest) { http_response_code(403); echo json_encode(['error'=>'Forbidden: move rights required on destination']); return; }
+
+        // Non-admin: enforce same owner between source and destination tree (if any)
+        $isAdmin = self::isAdmin($perms);
+        if (!$isAdmin) {
+            try {
+                $ownerSrc = FolderModel::getOwnerFor($source) ?? '';
+                $ownerDst = $destination==='root' ? '' : (FolderModel::getOwnerFor($destination) ?? '');
+                if ($ownerSrc !== $ownerDst) {
+                    http_response_code(403); echo json_encode(['error'=>'Source and destination must have the same owner']); return;
+                }
+            } catch (\Throwable $e) { /* ignore – fall through */ }
+        }
+
+        // Compute final target "destination/basename(source)"
+        $baseName = basename(str_replace('\\','/', $srcNorm));
+        $target   = $destination==='root' ? $baseName : rtrim($destination, "/\\ ") . '/' . $baseName;
+
+        try {
+            $result = FolderModel::renameFolder($source, $target);
+            echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+        } catch (\Throwable $e) {
+            error_log('moveFolder error: '.$e->getMessage());
+            http_response_code(500);
+            echo json_encode(['error'=>'Internal error moving folder']);
+        }
+    }
+}

src/controllers/UploadController.php

@@ -52,57 +52,69 @@ class UploadController {
         }
     
         // ---- 3) Folder-level WRITE permission (ACL) ----
-        // Always require client to send the folder; fall back to GET if needed.
-        $folderParam   = isset($_POST['folder']) ? (string)$_POST['folder'] : (isset($_GET['folder']) ? (string)$_GET['folder'] : 'root');
-        $targetFolder  = ACL::normalizeFolder($folderParam);
-    
-        // Admins bypass folder canWrite checks
-        if (!$isAdmin && !ACL::canWrite($username, $userPerms, $targetFolder)) {
-            http_response_code(403);
-            echo json_encode(['error' => 'Forbidden: no write access to folder "'.$targetFolder.'".']);
-            return;
-        }
-    
-        // ---- 4) Delegate to model (actual file/chunk processing) ----
-        // (Optionally re-check in UploadModel before finalizing.)
-        $result = UploadModel::handleUpload($_POST, $_FILES);
-    
-        // ---- 5) Response ----
-        if (isset($result['error'])) {
-            http_response_code(400);
-            echo json_encode($result);
-            return;
-        }
-        if (isset($result['status'])) {
-            // e.g., {"status":"chunk uploaded"}
-            echo json_encode($result);
-            return;
-        }
-    
-        echo json_encode([
-            'success'     => 'File uploaded successfully',
-            'newFilename' => $result['newFilename'] ?? null
-        ]);
+    // Always require client to send the folder; fall back to GET if needed.
+    $folderParam = isset($_POST['folder'])
+        ? (string)$_POST['folder']
+        : (isset($_GET['folder']) ? (string)$_GET['folder'] : 'root');
+
+    // Decode %xx (e.g., "test%20folder") then normalize
+    $folderParam  = rawurldecode($folderParam);
+    $targetFolder = ACL::normalizeFolder($folderParam);
+
+    // Admins bypass folder canWrite checks
+    $username  = (string)($_SESSION['username'] ?? '');
+    $userPerms = loadUserPermissions($username) ?: [];
+    $isAdmin   = ACL::isAdmin($userPerms);
+
+    if (!$isAdmin && !ACL::canUpload($username, $userPerms, $targetFolder)) {
+        http_response_code(403);
+        echo json_encode(['error' => 'Forbidden: no write access to folder "'.$targetFolder.'".']);
+        return;
     }
+
+    // ---- 4) Delegate to model (force the sanitized folder) ----
+    $_POST['folder'] = $targetFolder; // in case model reads superglobal
+    $post = $_POST;
+    $post['folder'] = $targetFolder;
+
+    $result = UploadModel::handleUpload($post, $_FILES);
+
+    // ---- 5) Response (unchanged) ----
+    if (isset($result['error'])) {
+        http_response_code(400);
+        echo json_encode($result);
+        return;
+    }
+    if (isset($result['status'])) {
+        echo json_encode($result);
+        return;
+    }
+
+    echo json_encode([
+        'success'     => 'File uploaded successfully',
+        'newFilename' => $result['newFilename'] ?? null
+    ]);
+}
     
     public function removeChunks(): void {
-        header('Content-Type: application/json');
+    header('Content-Type: application/json');
 
-        $receivedToken = isset($_POST['csrf_token']) ? trim($_POST['csrf_token']) : '';
-        if ($receivedToken !== ($_SESSION['csrf_token'] ?? '')) {
-            http_response_code(403);
-            echo json_encode(['error' => 'Invalid CSRF token']);
-            return;
-        }
-
-        if (!isset($_POST['folder'])) {
-            http_response_code(400);
-            echo json_encode(['error' => 'No folder specified']);
-            return;
-        }
-
-        $folder = (string)$_POST['folder'];
-        $result = UploadModel::removeChunks($folder);
-        echo json_encode($result);
+    $receivedToken = isset($_POST['csrf_token']) ? trim($_POST['csrf_token']) : '';
+    if ($receivedToken !== ($_SESSION['csrf_token'] ?? '')) {
+        http_response_code(403);
+        echo json_encode(['error' => 'Invalid CSRF token']);
+        return;
     }
+
+    if (!isset($_POST['folder'])) {
+        http_response_code(400);
+        echo json_encode(['error' => 'No folder specified']);
+        return;
+    }
+
+    $folderRaw = (string)$_POST['folder'];
+    $folder    = ACL::normalizeFolder(rawurldecode($folderRaw));
+
+    echo json_encode(UploadModel::removeChunks($folder));
+}
 }

src/controllers/UserController.php

@@ -3,6 +3,7 @@
 
 require_once __DIR__ . '/../../config/config.php';
 require_once PROJECT_ROOT . '/src/models/UserModel.php';
+require_once PROJECT_ROOT . '/src/models/AdminModel.php';
 
 /**
  * UserController
@@ -665,4 +666,38 @@ class UserController
         echo json_encode(['success' => true, 'url' => $url]);
         exit;
     }
+
+    public function siteConfig(): void
+    {
+        header('Content-Type: application/json');
+
+        $usersDir     = rtrim(USERS_DIR, '/\\') . DIRECTORY_SEPARATOR;
+        $publicPath   = $usersDir . 'siteConfig.json';
+        $adminEncPath = $usersDir . 'adminConfig.json';
+
+        $publicMtime = is_file($publicPath) ? (int)@filemtime($publicPath) : 0;
+        $adminMtime  = is_file($adminEncPath) ? (int)@filemtime($adminEncPath) : 0;
+
+        // If public cache is present and fresh enough, serve it
+        if ($publicMtime > 0 && $publicMtime >= $adminMtime) {
+            $raw = @file_get_contents($publicPath);
+            $data = is_string($raw) ? json_decode($raw, true) : null;
+            if (is_array($data)) {
+                echo json_encode($data);
+                return;
+            }
+        }
+
+        // Otherwise regenerate from decrypted admin config
+        $cfg = AdminModel::getConfig();
+        if (isset($cfg['error'])) {
+            http_response_code(500);
+            echo json_encode(['error' => $cfg['error']]);
+            return;
+        }
+
+        $public = AdminModel::buildPublicSubset($cfg);
+        $w = AdminModel::writeSiteConfig($public); // best effort
+        echo json_encode($public);
+    }
 }

src/lib/ACL.php

@@ -6,23 +6,20 @@ require_once PROJECT_ROOT . '/config/config.php';
 
 class ACL
 {
-    /** In-memory cache of the ACL file. */
     private static $cache = null;
-    /** Absolute path to folder_acl.json */
     private static $path  = null;
 
-    /** Capability buckets we store per folder. */
-    private const BUCKETS = ['owners','read','write','share','read_own']; // + read_own (view own only)
+    private const BUCKETS = [
+        'owners','read','write','share','read_own',
+        'create','upload','edit','rename','copy','move','delete','extract',
+        'share_file','share_folder'
+    ];
 
-    /** Compute/cache the ACL storage path. */
     private static function path(): string {
-        if (!self::$path) {
-            self::$path = rtrim(META_DIR, '/\\') . DIRECTORY_SEPARATOR . 'folder_acl.json';
-        }
+        if (!self::$path) self::$path = rtrim(META_DIR, '/\\') . DIRECTORY_SEPARATOR . 'folder_acl.json';
         return self::$path;
     }
 
-    /** Normalize folder names (slashes + root). */
     public static function normalizeFolder(string $f): string {
         $f = trim(str_replace('\\', '/', $f), "/ \t\r\n");
         if ($f === '' || $f === 'root') return 'root';
@@ -33,23 +30,61 @@ class ACL
         $user = (string)$user;
         $acl  = self::$cache ?? self::loadFresh();
         $changed = false;
-    
         foreach ($acl['folders'] as $folder => &$rec) {
             foreach (self::BUCKETS as $k) {
-                $before = $rec[$k] ?? [];
+                $before = is_array($rec[$k] ?? null) ? $rec[$k] : [];
                 $rec[$k] = array_values(array_filter($before, fn($u) => strcasecmp((string)$u, $user) !== 0));
                 if ($rec[$k] !== $before) $changed = true;
             }
         }
         unset($rec);
-    
         return $changed ? self::save($acl) : true;
     }
+    public static function ownsFolderOrAncestor(string $user, array $perms, string $folder): bool
+{
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    if (self::hasGrant($user, $folder, 'owners')) return true;
+
+    $folder = trim($folder, "/\\ ");
+    if ($folder === '' || $folder === 'root') return false;
+
+    $parts = explode('/', $folder);
+    while (count($parts) > 1) {
+        array_pop($parts);
+        $parent = implode('/', $parts);
+        if (self::hasGrant($user, $parent, 'owners')) return true;
+    }
+    return false;
+}
+
+    /** Re-key explicit ACL entries for an entire subtree: old/... → new/... */
+public static function renameTree(string $oldFolder, string $newFolder): void
+{
+    $old = self::normalizeFolder($oldFolder);
+    $new = self::normalizeFolder($newFolder);
+    if ($old === '' || $old === 'root') return; // nothing to re-key for root
+
+    $acl = self::$cache ?? self::loadFresh();
+    if (!isset($acl['folders']) || !is_array($acl['folders'])) return;
+
+    $rebased = [];
+    foreach ($acl['folders'] as $k => $rec) {
+        if ($k === $old || strpos($k, $old . '/') === 0) {
+            $suffix = substr($k, strlen($old));
+            $suffix = ltrim((string)$suffix, '/');
+            $newKey = $new . ($suffix !== '' ? '/' . $suffix : '');
+            $rebased[$newKey] = $rec;
+        } else {
+            $rebased[$k] = $rec;
+        }
+    }
+    $acl['folders'] = $rebased;
+    self::save($acl);
+}
 
-    /** Load ACL fresh from disk, create/heal if needed. */
     private static function loadFresh(): array {
         $path = self::path();
-
         if (!is_file($path)) {
             @mkdir(dirname($path), 0755, true);
             $init = [
@@ -59,7 +94,17 @@ class ACL
                         'read'    => ['admin'],
                         'write'   => ['admin'],
                         'share'   => ['admin'],
-                        'read_own'=> [],          // new bucket; empty by default
+                        'read_own'=> [],
+                        'create'       => [],
+                        'upload'       => [],
+                        'edit'         => [],
+                        'rename'       => [],
+                        'copy'         => [],
+                        'move'         => [],
+                        'delete'       => [],
+                        'extract'      => [],
+                        'share_file'   => [],
+                        'share_folder' => [],
                     ],
                 ],
                 'groups' => [],
@@ -70,12 +115,9 @@ class ACL
         $json = (string) @file_get_contents($path);
         $data = json_decode($json, true);
         if (!is_array($data)) $data = [];
-
-        // Normalize shape
         $data['folders'] = isset($data['folders']) && is_array($data['folders']) ? $data['folders'] : [];
         $data['groups']  = isset($data['groups'])  && is_array($data['groups'])  ? $data['groups']  : [];
 
-        // Ensure root exists and has all buckets
         if (!isset($data['folders']['root']) || !is_array($data['folders']['root'])) {
             $data['folders']['root'] = [
                 'owners'   => ['admin'],
@@ -84,16 +126,8 @@ class ACL
                 'share'    => ['admin'],
                 'read_own' => [],
             ];
-        } else {
-            foreach (self::BUCKETS as $k) {
-                if (!isset($data['folders']['root'][$k]) || !is_array($data['folders']['root'][$k])) {
-                    // sensible defaults: admin in the classic buckets, empty for read_own
-                    $data['folders']['root'][$k] = ($k === 'read_own') ? [] : ['admin'];
-                }
-            }
         }
 
-        // Heal any folder records
         $healed = false;
         foreach ($data['folders'] as $folder => &$rec) {
             if (!is_array($rec)) { $rec = []; $healed = true; }
@@ -107,30 +141,22 @@ class ACL
         unset($rec);
 
         self::$cache = $data;
-
-        // Persist back if we healed anything
-        if ($healed) {
-            @file_put_contents($path, json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES), LOCK_EX);
-        }
-
+        if ($healed) @file_put_contents($path, json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES), LOCK_EX);
         return $data;
     }
 
-    /** Persist ACL to disk and refresh cache. */
     private static function save(array $acl): bool {
         $ok = @file_put_contents(self::path(), json_encode($acl, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES), LOCK_EX) !== false;
         if ($ok) self::$cache = $acl;
         return $ok;
     }
 
-    /** Get a bucket list (owners/read/write/share/read_own) for a folder (explicit only). */
     private static function listFor(string $folder, string $key): array {
         $acl = self::$cache ?? self::loadFresh();
         $f   = $acl['folders'][$folder] ?? null;
         return is_array($f[$key] ?? null) ? $f[$key] : [];
     }
 
-    /** Ensure a folder record exists (giving an initial owner). */
     public static function ensureFolderRecord(string $folder, string $owner = 'admin'): void {
         $folder = self::normalizeFolder($folder);
         $acl = self::$cache ?? self::loadFresh();
@@ -141,18 +167,26 @@ class ACL
                 'write'    => [$owner],
                 'share'    => [$owner],
                 'read_own' => [],
+                'create'       => [],
+                'upload'       => [],
+                'edit'         => [],
+                'rename'       => [],
+                'copy'         => [],
+                'move'         => [],
+                'delete'       => [],
+                'extract'      => [],
+                'share_file'   => [],
+                'share_folder' => [],
             ];
             self::save($acl);
         }
     }
 
-    /** True if this request is admin. */
     public static function isAdmin(array $perms = []): bool {
         if (!empty($_SESSION['isAdmin'])) return true;
         if (!empty($perms['admin']) || !empty($perms['isAdmin'])) return true;
         if (isset($perms['role']) && (string)$perms['role'] === '1') return true;
         if (!empty($_SESSION['role']) && (string)$_SESSION['role'] === '1') return true;
-        // Optional: if you configured DEFAULT_ADMIN_USER, treat that username as admin
         if (defined('DEFAULT_ADMIN_USER') && !empty($_SESSION['username'])
             && strcasecmp((string)$_SESSION['username'], (string)DEFAULT_ADMIN_USER) === 0) {
             return true;
@@ -160,24 +194,19 @@ class ACL
         return false;
     }
 
-    /** Case-insensitive membership in a capability bucket. $cap: owner|owners|read|write|share|read_own */
     public static function hasGrant(string $user, string $folder, string $cap): bool {
         $folder = self::normalizeFolder($folder);
         $capKey = ($cap === 'owner') ? 'owners' : $cap;
         $arr    = self::listFor($folder, $capKey);
-        foreach ($arr as $u) {
-            if (strcasecmp((string)$u, $user) === 0) return true;
-        }
+        foreach ($arr as $u) if (strcasecmp((string)$u, $user) === 0) return true;
         return false;
     }
 
-    /** True if user is an explicit owner (or admin). */
     public static function isOwner(string $user, array $perms, string $folder): bool {
         if (self::isAdmin($perms)) return true;
         return self::hasGrant($user, $folder, 'owners');
     }
 
-    /** "Manage" in UI == owner. */
     public static function canManage(string $user, array $perms, string $folder): bool {
         return self::isOwner($user, $perms, $folder);
     }
@@ -185,19 +214,15 @@ class ACL
     public static function canRead(string $user, array $perms, string $folder): bool {
         $folder = self::normalizeFolder($folder);
         if (self::isAdmin($perms)) return true;
-        // IMPORTANT: write no longer implies read
         return self::hasGrant($user, $folder, 'owners')
             || self::hasGrant($user, $folder, 'read');
     }
 
-    /** Own-only view = read_own OR (any full view). */
     public static function canReadOwn(string $user, array $perms, string $folder): bool {
-        // if they can full-view, this is trivially true
         if (self::canRead($user, $perms, $folder)) return true;
         return self::hasGrant($user, $folder, 'read_own');
     }
 
-    /** Upload = write OR owner. No bypassOwnership. */
     public static function canWrite(string $user, array $perms, string $folder): bool {
         $folder = self::normalizeFolder($folder);
         if (self::isAdmin($perms)) return true;
@@ -205,7 +230,6 @@ class ACL
             || self::hasGrant($user, $folder, 'write');
     }
 
-    /** Share = share OR owner. No bypassOwnership. */
     public static function canShare(string $user, array $perms, string $folder): bool {
         $folder = self::normalizeFolder($folder);
         if (self::isAdmin($perms)) return true;
@@ -213,10 +237,7 @@ class ACL
             || self::hasGrant($user, $folder, 'share');
     }
 
-    /**
-     * Return explicit lists for a folder (no inheritance).
-     * Keys: owners, read, write, share, read_own (always arrays).
-     */
+    // Legacy-only explicit (to avoid breaking existing callers)
     public static function explicit(string $folder): array {
         $folder = self::normalizeFolder($folder);
         $acl = self::$cache ?? self::loadFresh();
@@ -235,10 +256,35 @@ class ACL
         ];
     }
 
-    /**
-     * Upsert a full explicit record for a folder.
-     * NOTE: preserves existing 'read_own' so older callers don't wipe it.
-     */
+    // New: full explicit including granular
+    public static function explicitAll(string $folder): array {
+        $folder = self::normalizeFolder($folder);
+        $acl = self::$cache ?? self::loadFresh();
+        $rec = $acl['folders'][$folder] ?? [];
+        $norm = function ($v): array {
+            if (!is_array($v)) return [];
+            $v = array_map('strval', $v);
+            return array_values(array_unique($v));
+        };
+        return [
+            'owners'       => $norm($rec['owners']       ?? []),
+            'read'         => $norm($rec['read']         ?? []),
+            'write'        => $norm($rec['write']        ?? []),
+            'share'        => $norm($rec['share']        ?? []),
+            'read_own'     => $norm($rec['read_own']     ?? []),
+            'create'       => $norm($rec['create']       ?? []),
+            'upload'       => $norm($rec['upload']       ?? []),
+            'edit'         => $norm($rec['edit']         ?? []),
+            'rename'       => $norm($rec['rename']       ?? []),
+            'copy'         => $norm($rec['copy']         ?? []),
+            'move'         => $norm($rec['move']         ?? []),
+            'delete'       => $norm($rec['delete']       ?? []),
+            'extract'      => $norm($rec['extract']      ?? []),
+            'share_file'   => $norm($rec['share_file']   ?? []),
+            'share_folder' => $norm($rec['share_folder'] ?? []),
+        ];
+    }
+
     public static function upsert(string $folder, array $owners, array $read, array $write, array $share): bool {
         $folder = self::normalizeFolder($folder);
         $acl = self::$cache ?? self::loadFresh();
@@ -251,24 +297,23 @@ class ACL
             'read'     => $fmt($read),
             'write'    => $fmt($write),
             'share'    => $fmt($share),
-            // preserve any own-only grants unless caller explicitly manages them elsewhere
             'read_own' => isset($existing['read_own']) && is_array($existing['read_own'])
                 ? array_values(array_unique(array_map('strval', $existing['read_own'])))
                 : [],
+            'create'       => isset($existing['create'])       && is_array($existing['create'])       ? array_values(array_unique(array_map('strval', $existing['create'])))       : [],
+            'upload'       => isset($existing['upload'])       && is_array($existing['upload'])       ? array_values(array_unique(array_map('strval', $existing['upload'])))       : [],
+            'edit'         => isset($existing['edit'])         && is_array($existing['edit'])         ? array_values(array_unique(array_map('strval', $existing['edit'])))         : [],
+            'rename'       => isset($existing['rename'])       && is_array($existing['rename'])       ? array_values(array_unique(array_map('strval', $existing['rename'])))       : [],
+            'copy'         => isset($existing['copy'])         && is_array($existing['copy'])         ? array_values(array_unique(array_map('strval', $existing['copy'])))         : [],
+            'move'         => isset($existing['move'])         && is_array($existing['move'])         ? array_values(array_unique(array_map('strval', $existing['move'])))         : [],
+            'delete'       => isset($existing['delete'])       && is_array($existing['delete'])       ? array_values(array_unique(array_map('strval', $existing['delete'])))       : [],
+            'extract'      => isset($existing['extract'])      && is_array($existing['extract'])      ? array_values(array_unique(array_map('strval', $existing['extract'])))      : [],
+            'share_file'   => isset($existing['share_file'])   && is_array($existing['share_file'])   ? array_values(array_unique(array_map('strval', $existing['share_file'])))   : [],
+            'share_folder' => isset($existing['share_folder']) && is_array($existing['share_folder']) ? array_values(array_unique(array_map('strval', $existing['share_folder']))) : [],
         ];
         return self::save($acl);
     }
 
-    /**
-     * Atomic per-user update across many folders.
-     * $grants is like:
-     *   [
-     *     "folderA" => ["view"=>true, "viewOwn"=>false, "upload"=>true, "manage"=>false, "share"=>false],
-     *     "folderB" => ["view"=>false, "viewOwn"=>true,  "upload"=>false, "manage"=>false, "share"=>false],
-     *   ]
-     * If a folder is INCLUDED with all false, the user is removed from all its buckets.
-     * (If the frontend omits a folder entirely, this method leaves that folder unchanged.)
-     */
     public static function applyUserGrantsAtomic(string $user, array $grants): array {
         $user = (string)$user;
         $path = self::path();
@@ -278,7 +323,6 @@ class ACL
         if (!flock($fh, LOCK_EX)) { fclose($fh); throw new RuntimeException('Cannot lock ACL storage'); }
 
         try {
-            // Read current content
             $raw = stream_get_contents($fh);
             if ($raw === false) $raw = '';
             $acl = json_decode($raw, true);
@@ -290,38 +334,59 @@ class ACL
 
             foreach ($grants as $folder => $caps) {
                 $ff = self::normalizeFolder((string)$folder);
-                if (!isset($acl['folders'][$ff]) || !is_array($acl['folders'][$ff])) {
-                    $acl['folders'][$ff] = ['owners'=>[], 'read'=>[], 'write'=>[], 'share'=>[], 'read_own'=>[]];
-                }
+                if (!isset($acl['folders'][$ff]) || !is_array($acl['folders'][$ff])) $acl['folders'][$ff] = [];
                 $rec =& $acl['folders'][$ff];
 
-                // Remove user from all buckets first (idempotent)
                 foreach (self::BUCKETS as $k) {
+                    if (!isset($rec[$k]) || !is_array($rec[$k])) $rec[$k] = [];
+                }
+                foreach (self::BUCKETS as $k) {
+                    $arr = is_array($rec[$k]) ? $rec[$k] : [];
                     $rec[$k] = array_values(array_filter(
-                        array_map('strval', $rec[$k]),
-                        fn($u) => strcasecmp($u, $user) !== 0
+                        array_map('strval', $arr),
+                        fn($u) => strcasecmp((string)$u, $user) !== 0
                     ));
                 }
 
-                $v  = !empty($caps['view']);       // full view
-                $vo = !empty($caps['viewOwn']);    // own-only view
-                $u  = !empty($caps['upload']);
-                $m  = !empty($caps['manage']);
-                $s  = !empty($caps['share']);
+                $v   = !empty($caps['view']);
+                $vo  = !empty($caps['viewOwn']);
+                $u   = !empty($caps['upload']);
+                $m   = !empty($caps['manage']);
+                $s   = !empty($caps['share']);
+                $w   = !empty($caps['write']);
 
-                // Implications
-                if ($m) { $v = true; $u = true; }   // owner implies read+write
-                if ($u && !$v && !$vo) $vo = true;  // upload needs at least own-only visibility
-                if ($s && !$v) $v = true;           // sharing implies full read (can be relaxed if desired)
+                $c   = !empty($caps['create']);
+                $ed  = !empty($caps['edit']);
+                $rn  = !empty($caps['rename']);
+                $cp  = !empty($caps['copy']);
+                $mv  = !empty($caps['move']);
+                $dl  = !empty($caps['delete']);
+                $ex  = !empty($caps['extract']);
+                $sf  = !empty($caps['shareFile'])   || !empty($caps['share_file']);
+                $sfo = !empty($caps['shareFolder']) || !empty($caps['share_folder']);
 
-                // Add back per caps
-                if ($m) $rec['owners'][]   = $user;
-                if ($v) $rec['read'][]     = $user;
-                if ($vo) $rec['read_own'][]= $user;
-                if ($u) $rec['write'][]    = $user;
-                if ($s) $rec['share'][]    = $user;
+                if ($m) { $v = true; $w = true; $u = $c = $ed = $rn = $cp = $dl = $ex = $sf = $sfo = true; }
+                if ($u && !$v && !$vo) $vo = true;
+                //if ($s && !$v) $v = true;
+                if ($w) { $c = $u = $ed = $rn = $cp = $dl = $ex = true; }
+
+                if ($m)  $rec['owners'][]       = $user;
+                if ($v)  $rec['read'][]         = $user;
+                if ($vo) $rec['read_own'][]     = $user;
+                if ($w)  $rec['write'][]        = $user;
+                if ($s)  $rec['share'][]        = $user;
+
+                if ($u)  $rec['upload'][]       = $user;
+                if ($c)  $rec['create'][]       = $user;
+                if ($ed) $rec['edit'][]         = $user;
+                if ($rn) $rec['rename'][]       = $user;
+                if ($cp) $rec['copy'][]         = $user;
+                if ($mv) $rec['move'][]         = $user;
+                if ($dl) $rec['delete'][]       = $user;
+                if ($ex) $rec['extract'][]      = $user;
+                if ($sf) $rec['share_file'][]   = $user;
+                if ($sfo)$rec['share_folder'][] = $user;
 
-                // De-dup
                 foreach (self::BUCKETS as $k) {
                     $rec[$k] = array_values(array_unique(array_map('strval', $rec[$k])));
                 }
@@ -330,7 +395,6 @@ class ACL
                 unset($rec);
             }
 
-            // Write back atomically
             ftruncate($fh, 0);
             rewind($fh);
             $ok = fwrite($fh, json_encode($acl, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)) !== false;
@@ -344,4 +408,96 @@ class ACL
             fclose($fh);
         }
     }
-}
+
+// --- Granular write family -----------------------------------------------
+
+public static function canCreate(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'create')
+        || self::hasGrant($user, $folder, 'write');
+}
+
+public static function canCreateFolder(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    // Only owners/managers can create subfolders under $folder
+    return self::hasGrant($user, $folder, 'owners');
+}
+
+public static function canUpload(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'upload')
+        || self::hasGrant($user, $folder, 'write');
+}
+
+public static function canEdit(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'edit')
+        || self::hasGrant($user, $folder, 'write');
+}
+
+public static function canRename(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'rename')
+        || self::hasGrant($user, $folder, 'write');
+}
+
+public static function canCopy(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'copy')
+        || self::hasGrant($user, $folder, 'write');
+}
+
+public static function canMove(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::ownsFolderOrAncestor($user, $perms, $folder);
+}
+
+public static function canMoveFolder(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::ownsFolderOrAncestor($user, $perms, $folder);
+}
+
+public static function canDelete(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'delete')
+        || self::hasGrant($user, $folder, 'write');
+}
+
+public static function canExtract(string $user, array $perms, string $folder): bool {
+    $folder = self::normalizeFolder($folder);
+    if (self::isAdmin($perms)) return true;
+    return self::hasGrant($user, $folder, 'owners')
+        || self::hasGrant($user, $folder, 'extract')
+        || self::hasGrant($user, $folder, 'write');
+}
+    
+    /** Sharing: files use share, folders require share + full-view. */
+    public static function canShareFile(string $user, array $perms, string $folder): bool {
+        $folder = self::normalizeFolder($folder);
+        if (self::isAdmin($perms)) return true;
+        return self::hasGrant($user, $folder, 'owners') || self::hasGrant($user, $folder, 'share');
+    }
+    public static function canShareFolder(string $user, array $perms, string $folder): bool {
+        $folder = self::normalizeFolder($folder);
+        if (self::isAdmin($perms)) return true;
+        $can = self::hasGrant($user, $folder, 'owners') || self::hasGrant($user, $folder, 'share');
+        if (!$can) return false;
+        // require full view too
+        return self::hasGrant($user, $folder, 'owners') || self::hasGrant($user, $folder, 'read');
+    }
+}

src/models/AdminModel.php

@@ -62,6 +62,51 @@ class AdminModel
         return (int)$val;
     }
 
+    public static function buildPublicSubset(array $config): array
+    {
+        return [
+            'header_title'        => $config['header_title'] ?? 'FileRise',
+            'loginOptions'        => [
+                'disableFormLogin' => (bool)($config['loginOptions']['disableFormLogin'] ?? false),
+                'disableBasicAuth' => (bool)($config['loginOptions']['disableBasicAuth'] ?? false),
+                'disableOIDCLogin' => (bool)($config['loginOptions']['disableOIDCLogin'] ?? false),
+                // do NOT include authBypass/authHeaderName here — admin-only
+            ],
+            'globalOtpauthUrl'    => $config['globalOtpauthUrl'] ?? '',
+            'enableWebDAV'        => (bool)($config['enableWebDAV'] ?? false),
+            'sharedMaxUploadSize' => (int)($config['sharedMaxUploadSize'] ?? 0),
+            'oidc' => [
+                'providerUrl' => (string)($config['oidc']['providerUrl'] ?? ''),
+                'redirectUri' => (string)($config['oidc']['redirectUri'] ?? ''),
+                // never include clientId / clientSecret
+            ],
+        ];
+    }
+
+    /** Write USERS_DIR/siteConfig.json atomically (unencrypted). */
+    public static function writeSiteConfig(array $publicSubset): array
+    {
+        $dest = rtrim(USERS_DIR, '/\\') . DIRECTORY_SEPARATOR . 'siteConfig.json';
+        $tmp  = $dest . '.tmp';
+
+        $json = json_encode($publicSubset, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        if ($json === false) {
+            return ["error" => "Failed to encode siteConfig.json"];
+        }
+
+        if (file_put_contents($tmp, $json, LOCK_EX) === false) {
+            return ["error" => "Failed to write temp siteConfig.json"];
+        }
+
+        if (!@rename($tmp, $dest)) {
+            @unlink($tmp);
+            return ["error" => "Failed to move siteConfig.json into place"];
+        }
+
+        @chmod($dest, 0664); // readable in bind mounts
+        return ["success" => true];
+    }
+
     /**
      * Updates the admin configuration file.
      *
@@ -157,6 +202,14 @@ class AdminModel
         // Best-effort normalize perms for host visibility (user rw, group rw)
         @chmod($configFile, 0664);
 
+        $public = self::buildPublicSubset($configUpdate);
+        $w = self::writeSiteConfig($public);
+        // Don’t fail the whole update if public cache write had a minor issue.
+        if (isset($w['error'])) {
+            // Log but keep success for admin write
+            error_log("AdminModel::writeSiteConfig warning: " . $w['error']);
+        }
+
         return ["success" => "Configuration updated successfully."];
     }
 
@@ -262,7 +315,7 @@ class AdminModel
             ],
             'loginOptions'          => [
                 'disableFormLogin' => false,
-                'disableBasicAuth' => false,
+                'disableBasicAuth' => true,
                 'disableOIDCLogin' => true
             ],
             'globalOtpauthUrl'      => "",

src/models/FolderModel.php

@@ -169,48 +169,67 @@ class FolderModel
      * @param string $parent     'root' or nested key (e.g. 'team/reports')
      * @param string $creator    username to set as initial owner (falls back to 'admin')
      */
-    public static function createFolder(string $folderName, string $parent = 'root', string $creator = 'admin'): array
+    public static function createFolder(string $folderName, string $parent, string $creator): array
     {
+        // -------- Normalize incoming values (use ONLY the parameters) --------
+        $folderName = trim((string)$folderName);
+        $parentIn   = trim((string)$parent);
+    
+        // If the client sent a path in folderName (e.g., "bob/new-sub") and parent is root/empty,
+        // derive parent = "bob" and folderName = "new-sub" so permission checks hit "bob".
+        $normalized = ACL::normalizeFolder($folderName);
+        if ($normalized !== 'root' && strpos($normalized, '/') !== false &&
+            ($parentIn === '' || strcasecmp($parentIn, 'root') === 0)) {
+            $parentIn  = trim(str_replace('\\', '/', dirname($normalized)), '/');
+            $folderName = basename($normalized);
+            if ($parentIn === '' || strcasecmp($parentIn, 'root') === 0) $parentIn = 'root';
+        }
+    
+        $parent = ($parentIn === '' || strcasecmp($parentIn, 'root') === 0) ? 'root' : $parentIn;
         $folderName = trim($folderName);
-        $parent     = trim($parent);
-
-        if ($folderName === '' || !preg_match(REGEX_FOLDER_NAME, $folderName)) {
-            return ['success' => false, 'error' => 'Invalid folder name', 'code' => 400];
+        if ($folderName === '') return ['success'=>false, 'error' => 'Folder name required'];
+    
+        // ACL key for new folder
+        $newKey = ($parent === 'root') ? $folderName : ($parent . '/' . $folderName);
+    
+        // -------- Compose filesystem paths --------
+        $base = rtrim((string)UPLOAD_DIR, "/\\");
+        $parentRel = ($parent === 'root') ? '' : str_replace('/', DIRECTORY_SEPARATOR, $parent);
+        $parentAbs = $parentRel ? ($base . DIRECTORY_SEPARATOR . $parentRel) : $base;
+        $newAbs = $parentAbs . DIRECTORY_SEPARATOR . $folderName;
+    
+        // -------- Exists / sanity checks --------
+        if (!is_dir($parentAbs))   return ['success'=>false, 'error' => 'Parent folder does not exist'];
+        if (is_dir($newAbs))       return ['success'=>false, 'error' => 'Folder already exists'];
+    
+        // -------- Create directory --------
+        if (!@mkdir($newAbs, 0775, true)) {
+            $err = error_get_last();
+            return ['success'=>false, 'error' => 'Failed to create folder' . (!empty($err['message']) ? (': '.$err['message']) : '')];
         }
-        if ($parent !== '' && strcasecmp($parent, 'root') !== 0 && !preg_match(REGEX_FOLDER_NAME, $parent)) {
-            return ['success' => false, 'error' => 'Invalid parent folder', 'code' => 400];
+    
+        // -------- Seed ACL --------
+        $inherit = defined('ACL_INHERIT_ON_CREATE') && ACL_INHERIT_ON_CREATE;
+        try {
+            if ($inherit) {
+                // Copy parent’s explicit (legacy 5 buckets), add creator to owners
+                $p = ACL::explicit($parent); // owners, read, write, share, read_own
+                $owners = array_values(array_unique(array_map('strval', array_merge($p['owners'], [$creator]))));
+                $read   = $p['read'];
+                $write  = $p['write'];
+                $share  = $p['share'];
+                ACL::upsert($newKey, $owners, $read, $write, $share);
+            } else {
+                // Creator owns the new folder
+                ACL::ensureFolderRecord($newKey, $creator);
+            }
+        } catch (Throwable $e) {
+            // Roll back FS if ACL seeding fails
+            @rmdir($newAbs);
+            return ['success'=>false, 'error' => 'Failed to seed ACL: ' . $e->getMessage()];
         }
-
-        // Compute ACL key and filesystem path
-        $aclKey = ($parent === '' || strcasecmp($parent, 'root') === 0) ? $folderName : ($parent . '/' . $folderName);
-
-        $base = rtrim(UPLOAD_DIR, '/\\');
-        $path = ($parent === '' || strcasecmp($parent, 'root') === 0)
-            ? $base . DIRECTORY_SEPARATOR . $folderName
-            : $base . DIRECTORY_SEPARATOR . str_replace('/', DIRECTORY_SEPARATOR, $parent) . DIRECTORY_SEPARATOR . $folderName;
-
-        // Safety: stay inside UPLOAD_DIR
-        $realBase = realpath($base);
-        $realPath = $path; // may not exist yet
-        $parentDir = dirname($path);
-        if (!is_dir($parentDir) && !@mkdir($parentDir, 0775, true)) {
-            return ['success' => false, 'error' => 'Failed to create parent path', 'code' => 500];
-        }
-
-        if (is_dir($path)) {
-            // Idempotent: still ensure ACL record exists
-            ACL::ensureFolderRecord($aclKey, $creator ?: 'admin');
-            return ['success' => true, 'folder' => $aclKey, 'alreadyExists' => true];
-        }
-
-        if (!@mkdir($path, 0775, true)) {
-            return ['success' => false, 'error' => 'Failed to create folder', 'code' => 500];
-        }
-
-        // Seed ACL: owner/read/write/share -> creator; read_own empty
-        ACL::ensureFolderRecord($aclKey, $creator ?: 'admin');
-
-        return ['success' => true, 'folder' => $aclKey];
+    
+        return ['success' => true, 'folder' => $newKey];
     }
 
 
@@ -307,6 +326,8 @@ class FolderModel
 
         // Update ownership mapping for the entire subtree.
         self::renameOwnersForTree($oldRel, $newRel);
+        // Re-key explicit ACLs for the moved subtree
+        ACL::renameTree($oldRel, $newRel);
 
         return ["success" => true];
     }

src/models/UploadModel.php

@@ -4,211 +4,209 @@
 require_once PROJECT_ROOT . '/config/config.php';
 
 class UploadModel {
-    /**
-     * Handles file uploads – supports both chunked uploads and full (non-chunked) uploads.
-     *
-     * @param array $post The $_POST array.
-     * @param array $files The $_FILES array.
-     * @return array Returns an associative array with "success" on success or "error" on failure.
-     */
-    public static function handleUpload(array $post, array $files): array {
-        // If this is a GET request for testing chunk existence.
-        if ($_SERVER['REQUEST_METHOD'] === 'GET' && isset($post['resumableTest'])) {
-            $chunkNumber = intval($post['resumableChunkNumber']);
-            $resumableIdentifier = $post['resumableIdentifier'] ?? '';
-            $folder = isset($post['folder']) ? trim($post['folder']) : 'root';
-            $baseUploadDir = UPLOAD_DIR;
-            if ($folder !== 'root') {
-                $baseUploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR . $folder . DIRECTORY_SEPARATOR;
+
+    private static function sanitizeFolder(string $folder): string {
+        // decode "%20", normalise slashes & trim via ACL helper
+        $f = ACL::normalizeFolder(rawurldecode($folder));
+
+        // model uses '' to represent root
+        if ($f === 'root') return '';
+
+        // forbid dot segments / empty parts
+        foreach (explode('/', $f) as $seg) {
+            if ($seg === '' || $seg === '.' || $seg === '..') {
+                return '';
             }
-            $tempDir = $baseUploadDir . 'resumable_' . $resumableIdentifier . DIRECTORY_SEPARATOR;
+        }
+
+        // allow spaces & unicode via your global regex
+        // (REGEX_FOLDER_NAME validates a path "seg(/seg)*")
+        if (!preg_match(REGEX_FOLDER_NAME, $f)) {
+            return '';
+        }
+
+        return $f; // safe, normalised, with spaces allowed
+    }
+
+    public static function handleUpload(array $post, array $files): array {
+        // --- GET resumable test (make folder handling consistent)
+        if ($_SERVER['REQUEST_METHOD'] === 'GET' && isset($post['resumableTest'])) {
+            $chunkNumber         = (int)($post['resumableChunkNumber'] ?? 0);
+            $resumableIdentifier = $post['resumableIdentifier'] ?? '';
+            $folderSan           = self::sanitizeFolder((string)($post['folder'] ?? 'root'));
+
+            $baseUploadDir = UPLOAD_DIR;
+            if ($folderSan !== '') {
+                $baseUploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR
+                               . str_replace('/', DIRECTORY_SEPARATOR, $folderSan) . DIRECTORY_SEPARATOR;
+            }
+
+            $tempDir  = $baseUploadDir . 'resumable_' . $resumableIdentifier . DIRECTORY_SEPARATOR;
             $chunkFile = $tempDir . $chunkNumber;
             return ["status" => file_exists($chunkFile) ? "found" : "not found"];
         }
-        
-        // Handle chunked uploads.
+
+        // --- CHUNKED ---
         if (isset($post['resumableChunkNumber'])) {
-            $chunkNumber         = intval($post['resumableChunkNumber']);
-            $totalChunks         = intval($post['resumableTotalChunks']);
+            $chunkNumber         = (int)$post['resumableChunkNumber'];
+            $totalChunks         = (int)$post['resumableTotalChunks'];
             $resumableIdentifier = $post['resumableIdentifier'] ?? '';
-            $resumableFilename   = urldecode(basename($post['resumableFilename']));
-            
-            // Validate file name.
+            $resumableFilename   = urldecode(basename($post['resumableFilename'] ?? ''));
+
             if (!preg_match(REGEX_FILE_NAME, $resumableFilename)) {
                 return ["error" => "Invalid file name: $resumableFilename"];
             }
-            
-            $folder = isset($post['folder']) ? trim($post['folder']) : 'root';
-            if ($folder !== 'root' && !preg_match(REGEX_FOLDER_NAME, $folder)) {
-                return ["error" => "Invalid folder name"];
+
+            $folderSan = self::sanitizeFolder((string)($post['folder'] ?? 'root'));
+
+            if (empty($files['file']) || !isset($files['file']['name'])) {
+                return ["error" => "No files received"];
             }
-            
+
             $baseUploadDir = UPLOAD_DIR;
-            if ($folder !== 'root') {
-                $baseUploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR . $folder . DIRECTORY_SEPARATOR;
+            if ($folderSan !== '') {
+                $baseUploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR
+                               . str_replace('/', DIRECTORY_SEPARATOR, $folderSan) . DIRECTORY_SEPARATOR;
             }
             if (!is_dir($baseUploadDir) && !mkdir($baseUploadDir, 0775, true)) {
                 return ["error" => "Failed to create upload directory"];
             }
-            
+
             $tempDir = $baseUploadDir . 'resumable_' . $resumableIdentifier . DIRECTORY_SEPARATOR;
             if (!is_dir($tempDir) && !mkdir($tempDir, 0775, true)) {
                 return ["error" => "Failed to create temporary chunk directory"];
             }
-            
-            if (!isset($files["file"]) || $files["file"]["error"] !== UPLOAD_ERR_OK) {
+
+            $chunkErr = $files['file']['error'] ?? UPLOAD_ERR_NO_FILE;
+            if ($chunkErr !== UPLOAD_ERR_OK) {
                 return ["error" => "Upload error on chunk $chunkNumber"];
             }
-            
+
             $chunkFile = $tempDir . $chunkNumber;
-            if (!move_uploaded_file($files["file"]["tmp_name"], $chunkFile)) {
+            $tmpName   = $files['file']['tmp_name'] ?? null;
+            if (!$tmpName || !move_uploaded_file($tmpName, $chunkFile)) {
                 return ["error" => "Failed to move uploaded chunk $chunkNumber"];
             }
-            
-            // Check if all chunks are present.
-            $allChunksPresent = true;
+
+            // all chunks present?
             for ($i = 1; $i <= $totalChunks; $i++) {
                 if (!file_exists($tempDir . $i)) {
-                    $allChunksPresent = false;
-                    break;
+                    return ["status" => "chunk uploaded"];
                 }
             }
-            if (!$allChunksPresent) {
-                return ["status" => "chunk uploaded"];
-            }
-            
-            // Merge chunks.
+
+            // merge
             $targetPath = $baseUploadDir . $resumableFilename;
             if (!$out = fopen($targetPath, "wb")) {
                 return ["error" => "Failed to open target file for writing"];
             }
             for ($i = 1; $i <= $totalChunks; $i++) {
                 $chunkPath = $tempDir . $i;
-                if (!file_exists($chunkPath)) {
-                    fclose($out);
-                    return ["error" => "Chunk $i missing during merge"];
-                }
-                if (!$in = fopen($chunkPath, "rb")) {
-                    fclose($out);
-                    return ["error" => "Failed to open chunk $i"];
-                }
-                while ($buff = fread($in, 4096)) {
-                    fwrite($out, $buff);
-                }
+                if (!file_exists($chunkPath)) { fclose($out); return ["error" => "Chunk $i missing during merge"]; }
+                if (!$in = fopen($chunkPath, "rb")) { fclose($out); return ["error" => "Failed to open chunk $i"]; }
+                while ($buff = fread($in, 4096)) { fwrite($out, $buff); }
                 fclose($in);
             }
             fclose($out);
-            
-            // Update metadata.
-            $relativeFolder = $folder;
-            $metadataKey = ($relativeFolder === '' || strtolower($relativeFolder) === 'root') ? "root" : $relativeFolder;
+
+            // metadata
+            $metadataKey      = ($folderSan === '') ? "root" : $folderSan;
             $metadataFileName = str_replace(['/', '\\', ' '], '-', $metadataKey) . '_metadata.json';
-            $metadataFile = META_DIR . $metadataFileName;
-            $uploadedDate = date(DATE_TIME_FORMAT);
-            $uploader = $_SESSION['username'] ?? "Unknown";
-            $metadataCollection = file_exists($metadataFile) ? json_decode(file_get_contents($metadataFile), true) : [];
-            if (!is_array($metadataCollection)) {
-                $metadataCollection = [];
+            $metadataFile     = META_DIR . $metadataFileName;
+            $uploadedDate     = date(DATE_TIME_FORMAT);
+            $uploader         = $_SESSION['username'] ?? "Unknown";
+            $collection       = file_exists($metadataFile) ? json_decode(file_get_contents($metadataFile), true) : [];
+            if (!is_array($collection)) $collection = [];
+            if (!isset($collection[$resumableFilename])) {
+                $collection[$resumableFilename] = ["uploaded" => $uploadedDate, "uploader" => $uploader];
+                file_put_contents($metadataFile, json_encode($collection, JSON_PRETTY_PRINT));
             }
-            if (!isset($metadataCollection[$resumableFilename])) {
-                $metadataCollection[$resumableFilename] = [
-                    "uploaded" => $uploadedDate,
-                    "uploader" => $uploader
-                ];
-                file_put_contents($metadataFile, json_encode($metadataCollection, JSON_PRETTY_PRINT));
-            }
-            
-            // Cleanup temporary directory.
-            $rrmdir = function($dir) use (&$rrmdir) {
-                if (!is_dir($dir)) return;
-                $iterator = new RecursiveIteratorIterator(
-                    new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS),
-                    RecursiveIteratorIterator::CHILD_FIRST
-                );
-                foreach ($iterator as $item) {
-                    $item->isDir() ? rmdir($item->getRealPath()) : unlink($item->getRealPath());
-                }
-                rmdir($dir);
-            };
-            $rrmdir($tempDir);
-            
+
+            // cleanup temp
+            self::rrmdir($tempDir);
+
             return ["success" => "File uploaded successfully"];
-        } else {
-            // Handle full upload (non-chunked).
-            $folder = isset($post['folder']) ? trim($post['folder']) : 'root';
-            if ($folder !== 'root' && !preg_match(REGEX_FOLDER_NAME, $folder)) {
-                return ["error" => "Invalid folder name"];
-            }
-            
-            $baseUploadDir = UPLOAD_DIR;
-            if ($folder !== 'root') {
-                $baseUploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR . $folder . DIRECTORY_SEPARATOR;
-            }
-            if (!is_dir($baseUploadDir) && !mkdir($baseUploadDir, 0775, true)) {
-                return ["error" => "Failed to create upload directory"];
-            }
-            
-            $safeFileNamePattern = REGEX_FILE_NAME;
-            $metadataCollection = [];
-            $metadataChanged = [];
-            
-            foreach ($files["file"]["name"] as $index => $fileName) {
-                $safeFileName = trim(urldecode(basename($fileName)));
-                if (!preg_match($safeFileNamePattern, $safeFileName)) {
-                    return ["error" => "Invalid file name: " . $fileName];
-                }
-                $relativePath = '';
-                if (isset($post['relativePath'])) {
-                    $relativePath = is_array($post['relativePath']) ? $post['relativePath'][$index] ?? '' : $post['relativePath'];
-                }
-                $uploadDir = $baseUploadDir;
-                if (!empty($relativePath)) {
-                    $subDir = dirname($relativePath);
-                    if ($subDir !== '.' && $subDir !== '') {
-                        $uploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR . str_replace('/', DIRECTORY_SEPARATOR, $subDir) . DIRECTORY_SEPARATOR;
-                    }
-                    $safeFileName = basename($relativePath);
-                }
-                if (!is_dir($uploadDir) && !mkdir($uploadDir, 0775, true)) {
-                    return ["error" => "Failed to create subfolder"];
-                }
-                $targetPath = $uploadDir . $safeFileName;
-                if (move_uploaded_file($files["file"]["tmp_name"][$index], $targetPath)) {
-                    $folderPath = $folder;
-                    $metadataKey = ($folderPath === '' || strtolower($folderPath) === 'root') ? "root" : $folderPath;
-                    $metadataFileName = str_replace(['/', '\\', ' '], '-', $metadataKey) . '_metadata.json';
-                    $metadataFile = META_DIR . $metadataFileName;
-                    if (!isset($metadataCollection[$metadataKey])) {
-                        $metadataCollection[$metadataKey] = file_exists($metadataFile) ? json_decode(file_get_contents($metadataFile), true) : [];
-                        if (!is_array($metadataCollection[$metadataKey])) {
-                            $metadataCollection[$metadataKey] = [];
-                        }
-                        $metadataChanged[$metadataKey] = false;
-                    }
-                    if (!isset($metadataCollection[$metadataKey][$safeFileName])) {
-                        $uploadedDate = date(DATE_TIME_FORMAT);
-                        $uploader = $_SESSION['username'] ?? "Unknown";
-                        $metadataCollection[$metadataKey][$safeFileName] = [
-                            "uploaded" => $uploadedDate,
-                            "uploader" => $uploader
-                        ];
-                        $metadataChanged[$metadataKey] = true;
-                    }
-                } else {
-                    return ["error" => "Error uploading file"];
-                }
-            }
-            
-            foreach ($metadataCollection as $folderKey => $data) {
-                if ($metadataChanged[$folderKey]) {
-                    $metadataFileName = str_replace(['/', '\\', ' '], '-', $folderKey) . '_metadata.json';
-                    $metadataFile = META_DIR . $metadataFileName;
-                    file_put_contents($metadataFile, json_encode($data, JSON_PRETTY_PRINT));
-                }
-            }
-            return ["success" => "Files uploaded successfully"];
         }
+
+        // --- NON-CHUNKED ---
+        $folderSan = self::sanitizeFolder((string)($post['folder'] ?? 'root'));
+
+        $baseUploadDir = UPLOAD_DIR;
+        if ($folderSan !== '') {
+            $baseUploadDir = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR
+                           . str_replace('/', DIRECTORY_SEPARATOR, $folderSan) . DIRECTORY_SEPARATOR;
+        }
+        if (!is_dir($baseUploadDir) && !mkdir($baseUploadDir, 0775, true)) {
+            return ["error" => "Failed to create upload directory"];
+        }
+
+        $safeFileNamePattern = REGEX_FILE_NAME;
+        $metadataCollection  = [];
+        $metadataChanged     = [];
+
+        foreach ($files["file"]["name"] as $index => $fileName) {
+            if (($files['file']['error'][$index] ?? UPLOAD_ERR_OK) !== UPLOAD_ERR_OK) {
+                return ["error" => "Error uploading file"];
+            }
+
+            $safeFileName = trim(urldecode(basename($fileName)));
+            if (!preg_match($safeFileNamePattern, $safeFileName)) {
+                return ["error" => "Invalid file name: " . $fileName];
+            }
+
+            $relativePath = '';
+            if (isset($post['relativePath'])) {
+                $relativePath = is_array($post['relativePath']) ? ($post['relativePath'][$index] ?? '') : $post['relativePath'];
+            }
+
+            $uploadDir = rtrim($baseUploadDir, '/\\') . DIRECTORY_SEPARATOR;
+            if (!empty($relativePath)) {
+                $subDir = dirname($relativePath);
+                if ($subDir !== '.' && $subDir !== '') {
+                    $uploadDir = rtrim($baseUploadDir, '/\\') . DIRECTORY_SEPARATOR
+                               . str_replace('/', DIRECTORY_SEPARATOR, $subDir) . DIRECTORY_SEPARATOR;
+                }
+                $safeFileName = basename($relativePath);
+            }
+
+            if (!is_dir($uploadDir) && !@mkdir($uploadDir, 0775, true)) {
+                return ["error" => "Failed to create subfolder: " . $uploadDir];
+            }
+
+            $targetPath = $uploadDir . $safeFileName;
+            if (!move_uploaded_file($files["file"]["tmp_name"][$index], $targetPath)) {
+                return ["error" => "Error uploading file"];
+            }
+
+            $metadataKey      = ($folderSan === '') ? "root" : $folderSan;
+            $metadataFileName = str_replace(['/', '\\', ' '], '-', $metadataKey) . '_metadata.json';
+            $metadataFile     = META_DIR . $metadataFileName;
+
+            if (!isset($metadataCollection[$metadataKey])) {
+                $metadataCollection[$metadataKey] = file_exists($metadataFile) ? json_decode(file_get_contents($metadataFile), true) : [];
+                if (!is_array($metadataCollection[$metadataKey])) $metadataCollection[$metadataKey] = [];
+                $metadataChanged[$metadataKey] = false;
+            }
+
+            if (!isset($metadataCollection[$metadataKey][$safeFileName])) {
+                $uploadedDate = date(DATE_TIME_FORMAT);
+                $uploader     = $_SESSION['username'] ?? "Unknown";
+                $metadataCollection[$metadataKey][$safeFileName] = ["uploaded" => $uploadedDate, "uploader" => $uploader];
+                $metadataChanged[$metadataKey] = true;
+            }
+        }
+
+        foreach ($metadataCollection as $folderKey => $data) {
+            if (!empty($metadataChanged[$folderKey])) {
+                $metadataFileName = str_replace(['/', '\\', ' '], '-', $folderKey) . '_metadata.json';
+                $metadataFile     = META_DIR . $metadataFileName;
+                file_put_contents($metadataFile, json_encode($data, JSON_PRETTY_PRINT));
+            }
+        }
+
+        return ["success" => "Files uploaded successfully"];
     }
+    
 
         /**
      * Recursively removes a directory and its contents.