99 lines
3.2 KiB
PHP
99 lines
3.2 KiB
PHP
<?php
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require_once 'config.php';
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header('Content-Type: application/json');
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// Ensure user is authenticated
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if (!isset($_SESSION['authenticated']) || $_SESSION['authenticated'] !== true) {
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echo json_encode(["error" => "Unauthorized"]);
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http_response_code(401);
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exit;
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}
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// Ensure the request is a POST
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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echo json_encode(['success' => false, 'error' => 'Invalid request method.']);
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exit;
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}
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$headers = array_change_key_case(getallheaders(), CASE_LOWER);
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$receivedToken = isset($headers['x-csrf-token']) ? trim($headers['x-csrf-token']) : '';
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if ($receivedToken !== $_SESSION['csrf_token']) {
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echo json_encode(['success' => false, 'error' => 'Invalid CSRF token.']);
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http_response_code(403);
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exit;
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}
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$username = $_SESSION['username'] ?? '';
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$userPermissions = loadUserPermissions($username);
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if ($username) {
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$userPermissions = loadUserPermissions($username);
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if (isset($userPermissions['readOnly']) && $userPermissions['readOnly'] === true) {
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echo json_encode(["error" => "Read-only users are not allowed to delete folders."]);
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exit();
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}
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}
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// Get the JSON input and decode it
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$input = json_decode(file_get_contents('php://input'), true);
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if (!isset($input['folder'])) {
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echo json_encode(['success' => false, 'error' => 'Folder name not provided.']);
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exit;
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}
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$folderName = trim($input['folder']);
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// Prevent deletion of root.
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if ($folderName === 'root') {
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echo json_encode(['success' => false, 'error' => 'Cannot delete root folder.']);
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exit;
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}
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// Allow letters, numbers, underscores, dashes, spaces, and forward slashes.
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if (!preg_match(REGEX_FOLDER_NAME, $folderName)) {
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echo json_encode(['success' => false, 'error' => 'Invalid folder name.']);
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exit;
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}
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// Build the folder path (supports subfolder paths like "FolderTest/FolderTestSub")
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$folderPath = rtrim(UPLOAD_DIR, '/\\') . DIRECTORY_SEPARATOR . $folderName;
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// Check if the folder exists and is a directory
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if (!file_exists($folderPath) || !is_dir($folderPath)) {
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echo json_encode(['success' => false, 'error' => 'Folder does not exist.']);
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exit;
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}
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// Prevent deletion if the folder is not empty
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if (count(scandir($folderPath)) > 2) {
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echo json_encode(['success' => false, 'error' => 'Folder is not empty.']);
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exit;
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}
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/**
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* Helper: Generate the metadata file path for a given folder.
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* For "root", returns "root_metadata.json". Otherwise, it replaces
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* slashes, backslashes, and spaces with dashes and appends "_metadata.json".
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*
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* @param string $folder The folder's relative path.
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* @return string The full path to the folder's metadata file.
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*/
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function getMetadataFilePath($folder) {
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if (strtolower($folder) === 'root' || $folder === '') {
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return META_DIR . "root_metadata.json";
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}
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return META_DIR . str_replace(['/', '\\', ' '], '-', $folder) . '_metadata.json';
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}
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// Attempt to delete the folder.
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if (rmdir($folderPath)) {
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// Remove corresponding metadata file if it exists.
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$metadataFile = getMetadataFilePath($folderName);
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if (file_exists($metadataFile)) {
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unlink($metadataFile);
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}
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echo json_encode(['success' => true]);
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} else {
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echo json_encode(['success' => false, 'error' => 'Failed to delete folder.']);
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}
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?>
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