From 4360f2830a2766a8e80d955a2c0a18158e3ba9d5 Mon Sep 17 00:00:00 2001
From: Ryan <ryantl66@gmail.com>
Date: Thu, 10 Apr 2025 10:33:13 -0400
Subject: [PATCH] new filetag endpoint and config.php update

---
 config.php     |  9 ++++++---
 getFileTag.php | 42 ++++++++++++++++++++++++++++++++++++++++++
 js/fileTags.js |  2 +-
 3 files changed, 49 insertions(+), 4 deletions(-)
 create mode 100644 getFileTag.php

diff --git a/config.php b/config.php
index a9ae36a..47a2c81 100644
--- a/config.php
+++ b/config.php
@@ -48,9 +48,12 @@ function decryptData($encryptedData, $encryptionKey)
 }
 
 // Load encryption key from environment (override in production).
-$encryptionKey = getenv('PERSISTENT_TOKENS_KEY') ?: 'default_please_change_this_key';
-if (!$encryptionKey) {
-    die('Encryption key for persistent tokens is not set.');
+$envKey = getenv('PERSISTENT_TOKENS_KEY');
+if ($envKey === false || $envKey === '') {
+    $encryptionKey = 'default_please_change_this_key';
+    error_log('WARNING: Using default encryption key. Please set PERSISTENT_TOKENS_KEY in your environment.');
+} else {
+    $encryptionKey = $envKey;
 }
 
 function loadUserPermissions($username)
diff --git a/getFileTag.php b/getFileTag.php
new file mode 100644
index 0000000..9cd2bf3
--- /dev/null
+++ b/getFileTag.php
@@ -0,0 +1,42 @@
+<?php
+declare(strict_types=1);
+
+// getFileTag.php
+
+require_once 'config.php';
+
+// Set security and content headers
+header('Content-Type: application/json; charset=utf-8');
+header('X-Content-Type-Options: nosniff');
+header('Cache-Control: no-cache, must-revalidate');
+
+$metadataPath = META_DIR . 'createdTags.json';
+
+// Check if the metadata file exists and is readable
+if (!file_exists($metadataPath) || !is_readable($metadataPath)) {
+    error_log('Metadata file does not exist or is not readable: ' . $metadataPath);
+    http_response_code(200); // Return empty array with HTTP 200 so the client can handle it gracefully
+    echo json_encode([]);
+    exit;
+}
+
+$data = file_get_contents($metadataPath);
+if ($data === false) {
+    error_log('Failed to read metadata file: ' . $metadataPath);
+    http_response_code(500);
+    echo json_encode(["error" => "Unable to read metadata file."]);
+    exit;
+}
+
+// Decode the JSON data to check for validity
+$jsonData = json_decode($data, true);
+if (json_last_error() !== JSON_ERROR_NONE) {
+    error_log('Invalid JSON in metadata file: ' . $metadataPath . ' Error: ' . json_last_error_msg());
+    http_response_code(500);
+    echo json_encode(["error" => "Metadata file contains invalid JSON."]);
+    exit;
+}
+
+// Output the re-encoded JSON to ensure well-formed output
+echo json_encode($jsonData);
+exit;
\ No newline at end of file
diff --git a/js/fileTags.js b/js/fileTags.js
index 9724bb0..ea55231 100644
--- a/js/fileTags.js
+++ b/js/fileTags.js
@@ -305,7 +305,7 @@ if (localStorage.getItem('globalTags')) {
   
 // New function to load global tags from the server's persistent JSON.
 export function loadGlobalTags() {
-  fetch("metadata/createdTags.json", { credentials: "include" })
+  fetch("getFileTag.php", { credentials: "include" })
     .then(response => {
       if (!response.ok) {
         // If the file doesn't exist, assume there are no global tags.