/**
  Plugin Name: WP File Manager
  Plugin URI: https://wordpress.org/plugins/wp-file-manager
  Description: Manage your WP files.
  Author: mndpsingh287
  Version: 8.0.2
  Author URI: https://profiles.wordpress.org/mndpsingh287
  License: GPLv2
 **/
if (!defined('WP_FILE_MANAGER_DIRNAME')) {
    define('WP_FILE_MANAGER_DIRNAME', plugin_basename(dirname(__FILE__)));
}
if ( ! defined( 'WP_FM_SITE_URL' ) ) {
    define( 'WP_FM_SITE_URL', 'https://filemanagerpro.io' );
}
define('WP_FILE_MANAGER_PATH', plugin_dir_path(__FILE__));
if (!class_exists('mk_file_folder_manager')):
    class mk_file_folder_manager
    {
        protected $SERVER = 'https://filemanagerpro.io/api/plugindata/api.php';
        var $ver = '8.0.2';
        /* Auto Load Hooks */
        public function __construct()
        {
	        add_action('activated_plugin', array(&$this, 'deactivate_file_manager_pro'));
            add_action('admin_menu', array(&$this, 'ffm_menu_page'));
            add_action('network_admin_menu', array(&$this, 'ffm_menu_page'));
            add_action('admin_enqueue_scripts', array(&$this, 'ffm_admin_things'));
            add_action('admin_enqueue_scripts', array(&$this, 'ffm_admin_script'));
            add_action('wp_ajax_mk_file_folder_manager', array(&$this, 'mk_file_folder_manager_action_callback'));
            add_action('wp_ajax_mk_fm_close_fm_help', array($this, 'mk_fm_close_fm_help'));
            add_filter('plugin_action_links', array(&$this, 'mk_file_folder_manager_action_links'), 10, 2);
            do_action('load_filemanager_extensions');
            add_action('plugins_loaded', array(&$this, 'filemanager_load_text_domain'));
            /*
            File Manager Verify Email
            */
            add_action('wp_ajax_mk_filemanager_verify_email', array(&$this, 'mk_filemanager_verify_email_callback'));
            add_action('wp_ajax_verify_filemanager_email', array(&$this, 'verify_filemanager_email_callback'));
            /*
            Media Upload
            */
            add_action('wp_ajax_mk_file_folder_manager_media_upload', array(&$this, 'mk_file_folder_manager_media_upload'));
            /* New Feature */
            add_action('init', array(&$this, 'create_auto_directory'));
            /* Backup - Feature */
            add_action('wp_ajax_mk_file_manager_backup', array(&$this, 'mk_file_manager_backup_callback'));
            add_action('wp_ajax_mk_file_manager_backup_remove', array(&$this, 'mk_file_manager_backup_remove_callback'));
            add_action('wp_ajax_mk_file_manager_single_backup_remove', array(&$this, 'mk_file_manager_single_backup_remove_callback'));
            add_action('wp_ajax_mk_file_manager_single_backup_logs', array(&$this, 'mk_file_manager_single_backup_logs_callback'));
            add_action('wp_ajax_mk_file_manager_single_backup_restore', array(&$this, 'mk_file_manager_single_backup_restore_callback'));
            add_action( 'rest_api_init', function () {
            if(current_user_can('manage_options') || (is_multisite() && current_user_can( 'manage_network' ))){
                    register_rest_route( 'v1', '/fm/backup/(?P<backup_id>[a-zA-Z0-9-=]+)/(?P<type>[a-zA-Z0-9-=]+)/(?P<key>[a-zA-Z0-9-=]+)', array(
                        'methods' => 'GET',
                        'callback' => array( $this, 'fm_download_backup' ),
                        'permission_callback' => '__return_true',
                    ));
                
                    register_rest_route( 'v1', '/fm/backupall/(?P<backup_id>[a-zA-Z0-9-=]+)/(?P<type>[a-zA-Z0-9-=]+)/(?P<key>[a-zA-Z0-9-=]+)/(?P<all>[a-zA-Z]+)', array(
                        'methods' => 'GET',
                        'callback' => array( $this, 'fm_download_backup_all' ),
                        'permission_callback' => '__return_true',
                    ));
                }
            });
        }

	    /**
	     * Checks if another version of Filemanager/Filemanager PRO is active and deactivates it.
	     * Hooked on `activated_plugin` so other plugin is deactivated when current plugin is activated.
	     *
	     * @return void
	     */
	    public function deactivate_file_manager_pro($plugin) {

		    if ( ! in_array( $plugin, array(
			    'wp-file-manager/file_folder_manager.php',
			    'wp-file-manager-pro/file_folder_manager_pro.php'
		    ), true ) ) {
			    return;
		    }

		    $plugin_to_deactivate  = 'wp-file-manager/file_folder_manager.php';

		    // If we just activated the free version, deactivate the pro version.
		    if ( $plugin === $plugin_to_deactivate ) {
			    $plugin_to_deactivate  = 'wp-file-manager-pro/file_folder_manager_pro.php';
		    }

		    if ( is_multisite() && is_network_admin() ) {
			    $active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
			    $active_plugins = array_keys( $active_plugins );
		    } else {
			    $active_plugins = (array) get_option( 'active_plugins', array() );
		    }

		    foreach ( $active_plugins as $plugin_basename ) {
			    if ( $plugin_to_deactivate === $plugin_basename ) {
				    deactivate_plugins( $plugin_basename );
				    return;
			    }
		    }
	    }

        /* Auto Directory */
        public function create_auto_directory() {
            $upload_dir = wp_upload_dir();
            $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup';
            if (!file_exists($backup_dirname)) {
                wp_mkdir_p($backup_dirname);
            }

            // security fix
            $myfile = $backup_dirname."/.htaccess";
            if(!file_exists($myfile)){
                $myfileHandle = @fopen($myfile, 'w+');
                if(!is_bool($myfileHandle)){
                     $txt = '<FilesMatch "\.(zip|gz)$">';
                    $txt .= "\nOrder allow,deny\n";
                    $txt .= "Deny from all\n";
                    $txt .= "</Files>";
                    @fwrite($myfileHandle, $txt);
                    @fclose($myfileHandle);
                }
            }

            // creating blank index.php inside fm_backup
            $ourFileName = $backup_dirname."/index.html";
            if(!file_exists($ourFileName)){
                $ourFileHandle = @fopen($ourFileName, 'w');
                if(!is_bool($ourFileHandle)){
                    @fclose($ourFileHandle);
                    @chmod($ourFileName, 0755);
                }
            }

        }

        /*
        Backup - Restore
        */
        public function mk_file_manager_single_backup_restore_callback() {
            WP_Filesystem(); 
            global $wp_filesystem;
            $nonce = sanitize_text_field($_POST['nonce']);
            if(current_user_can('manage_options') && wp_verify_nonce( $nonce, 'wpfmbackuprestore' )) {
                global $wpdb;
                $fmdb = $wpdb->prefix.'wpfm_backup';
                $upload_dir = wp_upload_dir();
                $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup/';
                $bkpid = intval($_POST['id']);
                $result = array();
                $filesDestination = WP_CONTENT_DIR.'/';

                if ( strcmp($backup_dirname, "/") === 0 ) {
                    $backup_path = $backup_dirname;
                }else{
                    $backup_path = $backup_dirname."/";
                }
                
                $database = sanitize_text_field($_POST['database']);
                $plugins = sanitize_text_field($_POST['plugins']);
                $themes = sanitize_text_field($_POST['themes']);
                $uploads = sanitize_text_field($_POST['uploads']);
                $others = sanitize_text_field($_POST['others']);
                if($bkpid) {
                    include('classes/files-restore.php');
                    $restoreFiles = new wp_file_manager_files_restore();
                    $fmbkp = $wpdb->get_row(
                        $wpdb->prepare('select * from '.$fmdb.' where id = %d', $bkpid)
                    );
                    if($themes == 'true') {
                        // case 1 - Themes
                        if(file_exists($backup_dirname.$fmbkp->backup_name.'-themes.zip')) {
                            $wp_filesystem->delete($filesDestination.'themes',true);
                            $restoreThemes = $restoreFiles->extract($backup_dirname.$fmbkp->backup_name.'-themes.zip',$filesDestination.'themes');
                            if($restoreThemes) {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => 'false', 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Themes backup restored successfully.', 'wp-file-manager').'</li>'));  
                                die;
                            } else {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => 'false', 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to restore themes.', 'wp-file-manager').'</li>'));   
                                die;
                            }            
                        }else {
                            echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => 'false', 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => ''));   
                            die;
                        }   
                    } 
                    else if($uploads == 'true'){
                        // case 2 - Uploads
                        if ( is_multisite() ) { 
                            $path_direc =  $upload_dir['basedir'];
                        } else {
                            $path_direc =   $filesDestination.'uploads';
                        }
                        if(file_exists($backup_dirname.$fmbkp->backup_name.'-uploads.zip')) {
                            $alllist = $wp_filesystem->dirlist($path_direc);
                            if(is_array($alllist) && !empty($alllist))
                            {
                                foreach($alllist as $key=>$value)
                                {
                                    if($key!= 'wp-file-manager-pro')
                                    {
                                        $wp_filesystem->delete($path_direc.'/'.$key,true);
                                    }
                                }
                            }

                            $restoreUploads = $restoreFiles->extract($backup_dirname.$fmbkp->backup_name.'-uploads.zip',$path_direc);
                            if($restoreUploads) {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => $themes, 'uploads'=> 'false', 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Uploads backup restored successfully.', 'wp-file-manager').'</li>'));  
                                die;
                        
                            } else {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => $themes, 'uploads'=> 'false', 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to restore uploads.', 'wp-file-manager').'</li>')); 
                                die;
                        
                            }                    
                        } else {
                            echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => $themes, 'uploads'=> 'false', 'others' => $others,'bkpid' => $bkpid,'msg' => '')); 
                            die;
                    
                        }   
                    }
                    else if($others == 'true'){
                    // case 3 - Others
                        if(file_exists($backup_dirname.$fmbkp->backup_name.'-others.zip')) {
                            $alllist = $wp_filesystem->dirlist($filesDestination);
                            if(is_array($alllist) && !empty($alllist))
                            {
                                foreach($alllist as $key=>$value)
                                {
                                    if($key != 'themes' && $key != 'uploads' && $key != 'plugins')
                                    {
                                        $wp_filesystem->delete($filesDestination.$key,true);
                                    }
                                }
                            }
                            $restoreOthers = $restoreFiles->extract($backup_dirname.$fmbkp->backup_name.'-others.zip',$filesDestination);
                            if($restoreOthers) {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => 'false','bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Others backup restored successfully.', 'wp-file-manager').'</li>')); 
                                die;
                        
                            } else {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => 'false','bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to restore others.', 'wp-file-manager').'</li>')); 
                                die;
                        
                            }                  
                        }else {
                            echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => 'false','bkpid' => $bkpid,'msg' => '')); 
                            die;
                        }
                    }
                    else if($plugins == 'true'){
                        // case 4- Plugins
                        if(file_exists($backup_path.$fmbkp->backup_name.'-plugins.zip')) {
                            $alllist = $wp_filesystem->dirlist($filesDestination.'plugins');
                            if(is_array($alllist) && !empty($alllist))
                            {
                                foreach($alllist as $key=>$value)
                                {
                                    if($key!= 'wp-file-manager')
                                    {
                                        $wp_filesystem->delete($filesDestination.'plugins/'.$key,true);
                                    }
                                }
                            }

                            $restorePlugins = $restoreFiles->extract($backup_path.$fmbkp->backup_name.'-plugins.zip',$filesDestination.'plugins');
                            if($restorePlugins) {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => 'false','themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Plugins backup restored successfully.', 'wp-file-manager').'</li>'));  
                                die;
                    
                            } else {
                                echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => 'false','themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to restore plugins.', 'wp-file-manager').'</li>')); 
                                die;
                            }                                      
                        }else {
                            echo wp_json_encode(array('step' => 1, 'database' => $database,'plugins' => 'false','themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => 0,'msg' => '')); 
                            die;
                    
                        }   
                    } 
                    else if($database == 'true'){
                        // case 5- Database
                        if(file_exists($backup_dirname.$fmbkp->backup_name.'-db.sql.gz')) {    
                            include('classes/db-restore.php');
                            $restoreDatabase = new Restore_Database($fmbkp->backup_name.'-db.sql.gz');
                            if($restoreDatabase->restoreDb()) {
                                echo wp_json_encode(array('step' => 0, 'database' => 'false','plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => '','msg' => '<li class="fm-running-list fm-custom-checked">'.__('Database backup restored successfully.', 'wp-file-manager').'</li>',  'msgg' => '<li class="fm-running-list fm-custom-checked">'.__('All Done', 'wp-file-manager').'</li>')); 
                                die;
                            } else {
                                echo wp_json_encode(array('step' => 0, 'database' => 'false','plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to restore DB backup.', 'wp-file-manager').'</li>'));  
                                die;
                            }
                        }else {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $bkpid,'msg' => ''));  
                            die;
                        }  
                    }else {
                        echo wp_json_encode(array('step' => 0, 'database' => 'false','plugins' => 'false','themes' => 'false','uploads'=> 'false','others' => 'false', 'bkpid' => '', 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('All Done', 'wp-file-manager').'</li>'));                        
                        die;
                    }
                } else {
                        echo wp_json_encode(array('step' => 0, 'database' => 'false','plugins' => 'false','themes' => 'false', 'uploads'=> 'false', 'others' => 'false','bkpid' => '','msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to restore plugins.', 'wp-file-manager').'</li>'));
                        die;
                }
                die;
            }
        }
        /*
        Backup - Remove
        */
        public function mk_file_manager_backup_remove_callback(){
            $nonce = sanitize_text_field($_POST['nonce']);
            if(current_user_can('manage_options') && wp_verify_nonce( $nonce, 'wpfmbackupremove' )) {
            global $wpdb;
            $fmdb = $wpdb->prefix.'wpfm_backup';
            $upload_dir = wp_upload_dir();
            $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup/';
            $bkpRids = $_POST['delarr'];
            $isRemoved = false;        
            if(isset($bkpRids)) {
                foreach($bkpRids as $bkRid) {
                    $bkRid = intval($bkRid);
                    $fmbkp = $wpdb->get_row(
                        $wpdb->prepare('select * from '.$fmdb.' where id = %d',$bkRid)
                    );
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-db.sql.gz')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-db.sql.gz');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-others.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-others.zip');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-plugins.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-plugins.zip');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-themes.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-themes.zip');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-uploads.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-uploads.zip');
                    }
                    // removing from db
                    $wpdb->delete($fmdb, array('id' => $bkRid));
                    $isRemoved = true;
                }
            }
            if($isRemoved) {
                
                echo __('Backups removed successfully!','wp-file-manager');
            } else {
                echo __('Unable to removed backup!','wp-file-manager'); 
            }
            die;
        }
        }
        /*
        Backup Logs
        */
        public function mk_file_manager_single_backup_logs_callback() {
            $nonce = sanitize_text_field($_POST['nonce']);
            if(current_user_can('manage_options') && wp_verify_nonce( $nonce, 'wpfmbackuplogs' )) {
            global $wpdb;
            $fmdb = $wpdb->prefix.'wpfm_backup';
            $upload_dir = wp_upload_dir();
            $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup/';
            $bkpId = intval($_POST['id']);
            $logs = array(); 
            $logMessage = '';       
            if(isset($bkpId)) {
                    $fmbkp = $wpdb->get_row(
                        $wpdb->prepare('select * from '.$fmdb.' where id = %d', $bkpId)
                    );
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-db.sql.gz')) {
                        $size = filesize($backup_dirname.$fmbkp->backup_name.'-db.sql.gz');
                        $logs[] = __('Database backup done on date ', 'wp-file-manager').$fmbkp->backup_date.' ('.$fmbkp->backup_name.'-db.sql.gz) ('.$this->formatSizeUnits($size).')';
                    }                    
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-plugins.zip')) {
                        $size = filesize($backup_dirname.$fmbkp->backup_name.'-plugins.zip');
                        $logs[] = __('Plugins backup done on date ', 'wp-file-manager').$fmbkp->backup_date.' ('.$fmbkp->backup_name.'-plugins.zip) ('.$this->formatSizeUnits($size).')';
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-themes.zip')) {
                        $size = filesize($backup_dirname.$fmbkp->backup_name.'-themes.zip');
                        $logs[] = __('Themes backup done on date ', 'wp-file-manager').$fmbkp->backup_date.' ('.$fmbkp->backup_name.'-themes.zip) ('.$this->formatSizeUnits($size).')';
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-uploads.zip')) {
                        $size = filesize($backup_dirname.$fmbkp->backup_name.'-uploads.zip');
                        $logs[] = __('Uploads backup done on date ', 'wp-file-manager').$fmbkp->backup_date.' ('.$fmbkp->backup_name.'-uploads.zip) ('.$this->formatSizeUnits($size).')';
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-others.zip')) {
                        $size = filesize($backup_dirname.$fmbkp->backup_name.'-others.zip');
                        $logs[] = __('Others backup done on date ', 'wp-file-manager').$fmbkp->backup_date.' ('.$fmbkp->backup_name.'-others.zip) ('.$this->formatSizeUnits($size).')';
                    }
            }
            $count = 1;
            $logMessage = '<h3 class="fm_console_log_pop log_msg_align_center">'.__('Logs', 'wp-file-manager').'</h3>';
            if(isset($logs)) {
                foreach($logs as $log) {
                    $logMessage .= '<p class="fm_console_success">('.$count++.') '.$log.'</p>';
                }
            } else {
                $logMessage .= '<p class="fm_console_error">'.__('No logs found!', 'wp-file-manager').'</p>';
            }
            echo $logMessage;
            die; 
        }
        }
       /*
       Returning Valid Format
       */
        public function formatSizeUnits($bytes) {
            if ($bytes >= 1073741824)
            {
                $bytes = number_format($bytes / 1073741824, 2) . ' GB';
            }
            elseif ($bytes >= 1048576)
            {
                $bytes = number_format($bytes / 1048576, 2) . ' MB';
            }
            elseif ($bytes >= 1024)
            {
                $bytes = number_format($bytes / 1024, 2) . ' KB';
            }
            elseif ($bytes > 1)
            {
                $bytes = $bytes . ' bytes';
            }
            elseif ($bytes == 1)
            {
                $bytes = $bytes . ' byte';
            }
            else
            {
                $bytes = '0 bytes';
            }

            return $bytes;
        }
        /*
        Backup - Remove
        */
        public function mk_file_manager_single_backup_remove_callback(){
            $nonce = sanitize_text_field($_POST['nonce']);
            if(current_user_can('manage_options') && wp_verify_nonce( $nonce, 'wpfmbackupremove' )) {
            global $wpdb;
            $fmdb = $wpdb->prefix.'wpfm_backup';
            $upload_dir = wp_upload_dir();
            $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup/';
            $bkpId = intval($_POST['id']);
            $isRemoved = false;        
            if(isset($bkpId)) {
                    $fmbkp = $wpdb->get_row(
                        $wpdb->prepare('select * from '.$fmdb.' where id = %d',$bkpId)
                    );
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-db.sql.gz')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-db.sql.gz');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-others.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-others.zip');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-plugins.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-plugins.zip');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-themes.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-themes.zip');
                    }
                    if(file_exists($backup_dirname.$fmbkp->backup_name.'-uploads.zip')) {
                        unlink($backup_dirname.$fmbkp->backup_name.'-uploads.zip');
                    }
                    // removing from db
                    $wpdb->delete($fmdb, array('id' => $bkpId));
                    $isRemoved = true;
            }
            if($isRemoved) {
                echo  "1";
            } else {
                echo "2";
            }
            die;
        }
        }
        /*
        Backup - Ajax - Feature
        */
        public function mk_file_manager_backup_callback(){
            
            $nonce = sanitize_text_field( $_POST['nonce'] );
            if( current_user_can( 'manage_options' ) && wp_verify_nonce( $nonce, 'wpfmbackup' ) ) {
            global $wpdb;
            $fmdb = $wpdb->prefix.'wpfm_backup';
            $date = date('Y-m-d H:i:s');
            $file_number = 'backup_'.date('Y_m_d_H_i_s-').bin2hex(openssl_random_pseudo_bytes(4));
            $database = sanitize_text_field($_POST['database']);
            $files = sanitize_text_field($_POST['files']);
            $plugins = sanitize_text_field($_POST['plugins']);
            $themes = sanitize_text_field($_POST['themes']);
            $uploads = sanitize_text_field($_POST['uploads']);
            $others = sanitize_text_field($_POST['others']);
            $bkpid = isset($_POST['bkpid']) ? sanitize_text_field($_POST['bkpid']) : '';
            if($database == 'false' && $files == 'false' && $bkpid == '') {
                echo wp_json_encode(array('step' => '0', 'database' => 'false','files' => 'false','plugins' => 'false','themes' => 'false', 'uploads'=> 'false', 'others' => 'false', 'bkpid' => '0', 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Nothing selected for backup','wp-file-manager').'</li>'));
                die; 
            }
            if($bkpid == '') {
                $wpdb->insert( 
                    $fmdb, 
                    array( 
                        'backup_name' => $file_number, 
                        'backup_date' => $date
                    ), 
                    array( 
                        '%s', 
                        '%s' 
                    ) 
                );
                $id = $wpdb->insert_id;
            } else {
                $id = $bkpid;
            }
            if ( ! wp_verify_nonce( $nonce, 'wpfmbackup' ) ) {
                echo wp_json_encode(array('step' => 0, 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Security Issue.', 'wp-file-manager').'</li>'));
            } else {
                $fileName = $wpdb->get_row(
                  $wpdb->prepare("select * from ".$fmdb." where id=%d",$id)
                );              
                //database
                if($database == 'true') {
                    include('classes/db-backup.php'); 
                    $backupDatabase = new Backup_Database($fileName->backup_name);
                    $result = $backupDatabase->backupTables(TABLES);
                    if($result == '1'){
                        echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => $files,'plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $id,'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Database backup done.', 'wp-file-manager').'</li>'));  
                        die;
                    } else {
                        echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => $files,'plugins' => $plugins,'themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Unable to create database backup.', 'wp-file-manager').'</li>'));   
                        die;
                    }                   
                }
                else if($files == 'true') {
                    include('classes/files-backup.php');
                    $upload_dir = wp_upload_dir();
                    $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup';
                    $filesBackup = new wp_file_manager_files_backup();
                     // plugins
                     if($plugins == 'true') {
                        $plugin_dir = WP_PLUGIN_DIR;  
                        $backup_plugins = $filesBackup->zipData( $plugin_dir,$backup_dirname.'/'.$fileName->backup_name.'-plugins.zip');
                        if($backup_plugins) {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => $themes, 'uploads'=> $uploads, 'others' => $others,'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Plugins backup done.', 'wp-file-manager').'</li>'));
                            die;
                        } else {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => $themes, 'uploads'=> $uploads, 'others' => $others, 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Plugins backup failed.', 'wp-file-manager').'</li>')); 
                            die;
                        }
                     } 
                     // themes
                     else if($themes == 'true') {
                        $themes_dir = get_theme_root();
                        $backup_themes = $filesBackup->zipData( $themes_dir,$backup_dirname.'/'.$fileName->backup_name.'-themes.zip');
                        if($backup_themes) {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => 'false', 'uploads'=> $uploads, 'others' => $others, 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Themes backup done.', 'wp-file-manager').'</li>'));
                            die;
                        } else {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => $themes, 'uploads'=> $uploads, 'others' => $others, 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Themes backup failed.', 'wp-file-manager').'</li>')); 
                            die;
                        }
                     }
                     // uploads
                     else if($uploads == 'true') {
                        $wpfm_upload_dir = wp_upload_dir();
                        $uploads_dir = $wpfm_upload_dir['basedir'];
                        $backup_uploads = $filesBackup->zipData( $uploads_dir,$backup_dirname.'/'.$fileName->backup_name.'-uploads.zip');
                        if($backup_uploads) {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => 'false', 'uploads'=> 'false', 'others' => $others, 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Uploads backup done.', 'wp-file-manager').'</li>'));
                            die;
                        } else {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => 'false', 'uploads'=> 'false', 'others' => $others, 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Uploads backup failed.', 'wp-file-manager').'</li>'));
                            die;
                        }
                     } 
                     // other
                     else if($others == 'true') {
                        $others_dir = WP_CONTENT_DIR;
                        $backup_others = $filesBackup->zipOther( $others_dir,$backup_dirname.'/'.$fileName->backup_name.'-others.zip');
                        if($backup_others) {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => 'false', 'uploads'=> 'false', 'others' => 'false', 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('Others backup done.', 'wp-file-manager').'</li>'));
                            die; 
                        } else {
                            echo wp_json_encode(array('step' => 1, 'database' => 'false','files' => 'true','plugins' => 'false','themes' => 'false', 'uploads'=> 'false', 'others' => 'false', 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-unchecked">'.__('Others backup failed.', 'wp-file-manager').'</li>'));
                            
                        }                        
                     } else {
                        echo wp_json_encode(array('step' => 0, 'database' => 'false', 'files' => 'false','plugins' => 'false','themes' => 'false','uploads'=> 'false','others' => 'false', 'bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('All Done', 'wp-file-manager').'</li>'));
                        die;
                     }
                } else {
                 echo wp_json_encode(array('step' => 0, 'database' => 'false', 'files' => 'false','plugins' => 'false','themes' => 'false','uploads'=> 'false','others' => 'false','bkpid' => $id, 'msg' => '<li class="fm-running-list fm-custom-checked">'.__('All Done', 'wp-file-manager').'</li>'));
                }
            }
            } else {
                die(__('Invalid security token!', 'wp-file-manager'));
            }
            die;
        }

        /* Verify Email*/
        public function mk_filemanager_verify_email_callback()
        {
            $current_user = wp_get_current_user();
            $nonce = sanitize_text_field($_REQUEST['vle_nonce']);
            if (wp_verify_nonce($nonce, 'verify-filemanager-email')) {
                $action = sanitize_text_field($_POST['todo']);
                $lokhal_email = sanitize_email($_POST['lokhal_email']);
                $lokhal_fname = sanitize_text_field(htmlentities($_POST['lokhal_fname']));
                $lokhal_lname = sanitize_text_field(htmlentities($_POST['lokhal_lname']));
                // case - 1 - close
                if ($action == 'cancel') {
                    set_transient('filemanager_cancel_lk_popup_'.$current_user->ID, 'filemanager_cancel_lk_popup_'.$current_user->ID, 60 * 60 * 24 * 30);
                    update_option('filemanager_email_verified_'.$current_user->ID, 'yes');
                } elseif ($action == 'verify') {
                    $engagement = '75';
                    update_option('filemanager_email_address_'.$current_user->ID, $lokhal_email);
                    update_option('verify_filemanager_fname_'.$current_user->ID, $lokhal_fname);
                    update_option('verify_filemanager_lname_'.$current_user->ID, $lokhal_lname);
                    update_option('filemanager_email_verified_'.$current_user->ID, 'yes');
                    /* Send Email Code */
                    $subject = 'Email Verification';
                    $message = "
					<html>
					<head>
					<title>Email Verification</title>
					</head>
					<body>
					<p>Thanks for signing up! Just click the link below to verify your email and we’ll keep you up-to-date with the latest and greatest brewing in our dev labs!</p>	
					<p><a href='".admin_url('admin-ajax.php?action=verify_filemanager_email&token='.md5($lokhal_email))."'>Click Here to Verify
</a></p>				
					</body>
					</html>
					";
                    // Always set content-type when sending HTML email
                    $headers = 'MIME-Version: 1.0'."\r\n";
                    $headers .= 'Content-type:text/html;charset=UTF-8'."\r\n";
                    $headers .= 'From: noreply@filemanagerpro.io'."\r\n";
                    $mail = mail($lokhal_email, $subject, $message, $headers);
                    $data = $this->verify_on_server($lokhal_email, $lokhal_fname, $lokhal_lname, $engagement, 'verify', '0');
                    if ($mail) {
                        echo '1';
                    } else {
                        echo '2';
                    }
                }
            } else {
                echo 'Nonce';
            }
            die;
        }

        /*
        * Verify Email
        */
        public function verify_filemanager_email_callback()
        {
            $email = sanitize_text_field($_GET['token']);
            $current_user = wp_get_current_user();
            $lokhal_email_address = md5(get_option('filemanager_email_address_'.$current_user->ID));
            if ($email == $lokhal_email_address) {
                $this->verify_on_server(get_option('filemanager_email_address_'.$current_user->ID), get_option('verify_filemanager_fname_'.$current_user->ID), get_option('verify_filemanager_lname_'.$current_user->ID), '100', 'verified', '1');
                update_option('filemanager_email_verified_'.$current_user->ID, 'yes');
                echo '<p>Email Verified Successfully. Redirecting please wait.</p>';
                echo '<script>';
                echo 'setTimeout(function(){window.location.href="https://filemanagerpro.io?utm_redirect=wp" }, 2000);';
                echo '</script>';
            }
            die;
        }

        /*
        Send Data To Server
        */
        public function verify_on_server($email, $fname, $lname, $engagement, $todo, $verified)
        {
            global $wpdb, $wp_version;
            if (get_bloginfo('version') < '3.4') {
                $theme_data = get_theme_data(get_stylesheet_directory().'/style.css');
                $theme = $theme_data['Name'].' '.$theme_data['Version'];
            } else {
                $theme_data = wp_get_theme();
                $theme = $theme_data->Name.' '.$theme_data->Version;
            }

            // Try to identify the hosting provider
            $host = false;
            if (defined('WPE_APIKEY')) {
                $host = 'WP Engine';
            } elseif (defined('PAGELYBIN')) {
                $host = 'Pagely';
            }
            $mysql_ver = @mysqli_get_server_info($wpdb->dbh);
            $id = get_option('page_on_front');
            $info = array(
                         'email' => $email,
                         'first_name' => $fname,
                         'last_name' => $lname,
                         'engagement' => $engagement,
                         'SITE_URL' => site_url(),
                         'PHP_version' => phpversion(),
                         'upload_max_filesize' => ini_get('upload_max_filesize'),
                         'post_max_size' => ini_get('post_max_size'),
                         'memory_limit' => ini_get('memory_limit'),
                         'max_execution_time' => ini_get('max_execution_time'),
                         'HTTP_USER_AGENT' => $_SERVER['HTTP_USER_AGENT'],
                         'wp_version' => $wp_version,
                         'plugin' => 'wp file manager',
                         'nonce' => 'um235gt9duqwghndewi87s34dhg',
                         'todo' => $todo,
                         'verified' => $verified,
                );
            $str = http_build_query($info);
            $args = array(
                'body' => $str,
                'timeout' => '5',
                'redirection' => '5',
                'httpversion' => '1.0',
                'blocking' => true,
                'headers' => array(),
                'cookies' => array(),
            );

            $response = wp_remote_post($this->SERVER, $args);

            return $response;
        }

        /**
		* Generate plugin key
		**/
		
		private static function fm_generate_key(){
			return substr(str_shuffle(str_repeat($x='0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', ceil(25/strlen($x)) )),1,25);
        }
        
        /**
		* Generate plugin key
		**/
		
		private static function fm_get_key(){
			return get_option('fm_key');
		}

        /* File Manager text Domain */
        public function filemanager_load_text_domain()
        {
            $domain = dirname(plugin_basename(__FILE__));
            $locale = apply_filters('plugin_locale', get_locale(), $domain);
            load_textdomain($domain, trailingslashit(WP_LANG_DIR).'plugins'.'/'.$domain.'-'.$locale.'.mo');
            load_plugin_textdomain($domain, false, basename(dirname(__FILE__)).'/languages/');

            ////// Creating key
            $fmkey = self::fm_generate_key();
            if(self::fm_get_key() == ""){
                update_option('fm_key',$fmkey);
            }
        }

        /* Menu Page */
        public function ffm_menu_page()
        {
            add_menu_page(
            __('WP File Manager', 'wp-file-manager'),
            __('WP File Manager', 'wp-file-manager'),
            'manage_options',
            'wp_file_manager',
            array(&$this, 'ffm_settings_callback'),
            plugins_url('images/wp_file_manager.svg', __FILE__)
            );
            /* Only for admin */
            add_submenu_page('wp_file_manager', __('Settings', 'wp-file-manager'), __('Settings', 'wp-file-manager'), 'manage_options', 'wp_file_manager_settings', array(&$this, 'wp_file_manager_settings'));
            /* Only for admin */
            add_submenu_page('wp_file_manager', __('Preferences', 'wp-file-manager'), __('Preferences', 'wp-file-manager'), 'manage_options', 'wp_file_manager_preferences', array(&$this, 'wp_file_manager_root'));
            /* Only for admin */
            add_submenu_page('wp_file_manager', __('System Properties', 'wp-file-manager'), __('System Properties', 'wp-file-manager'), 'manage_options', 'wp_file_manager_sys_properties', array(&$this, 'wp_file_manager_properties'));
            /* Only for admin */
            add_submenu_page('wp_file_manager', __('Shortcode - PRO', 'wp-file-manager'), __('Shortcode - PRO', 'wp-file-manager'), 'manage_options', 'wp_file_manager_shortcode_doc', array(&$this, 'wp_file_manager_shortcode_doc'));
            add_submenu_page('wp_file_manager', __('Logs', 'wp-file-manager'), __('Logs', 'wp-file-manager'), 'manage_options', 'wpfm-logs', array(&$this, 'wp_file_manager_logs'));
            add_submenu_page('wp_file_manager', __('Backup/Restore', 'wp-file-manager'), __('Backup/Restore', 'wp-file-manager'), 'manage_options', 'wpfm-backup', array(&$this, 'wp_file_manager_backup'));             
        }       
        /* Main Role */
        public function ffm_settings_callback()
        {
            if (is_admin()):
             include 'lib/wpfilemanager.php';
            endif;
        }

        /*Settings */
        public function wp_file_manager_settings()
        {
            if (is_admin()):
             include 'inc/settings.php';
            endif;
        }

        /* Shortcode Doc */
        public function wp_file_manager_shortcode_doc()
        {
            if (is_admin()):
             include 'inc/shortcode_docs.php';
            endif;
        }
        /*  Backup */
        public function wp_file_manager_backup() {
            if (is_admin()):
                include 'inc/backup.php';
            endif;
        }

        /* System Properties */
        public function wp_file_manager_properties()
        {
            if (is_admin()):
             include 'inc/system_properties.php';
            endif;
        }	
        /*
         Root
        */
        public function wp_file_manager_root()
        {
            if (is_admin()):
             include 'inc/root.php';
            endif;
        }		
		/* System Properties */
        public function wp_file_manager_logs()
        {
            if (is_admin()):
             include 'inc/logs.php';
            endif;
        }

        public function ffm_admin_script(){
            wp_enqueue_style( 'fm_menu_common', plugins_url('/css/fm_common.css', __FILE__) );
        }

         /* Admin  Things */
         public function ffm_admin_things()
         {
           
            $getPage = isset($_GET['page']) ? sanitize_text_field($_GET['page']) : '';
            $allowedPages = array(
                'wp_file_manager',
            );
           
           // Languages
            $lang = isset($_GET['lang']) && !empty($_GET['lang']) && in_array(sanitize_text_field(htmlentities($_GET['lang'])), $this->fm_languages()) ? sanitize_text_field(htmlentities($_GET['lang'])) : '';
            if (!empty($getPage) && in_array($getPage, $allowedPages)):
                if( isset( $_GET['lang'] ) && !empty( $_GET['lang'] ) && !wp_verify_nonce( isset( $_GET['nonce'] ) ? $_GET['nonce'] : '', 'wp-file-manager-language' )) {
                    //Access Denied
                } else {
                global $wp_version;
                $fm_nonce = wp_create_nonce('wp-file-manager');
                $wp_fm_lang = get_transient('wp_fm_lang');
                $wp_fm_theme = get_transient('wp_fm_theme');
                $opt = get_option('wp_file_manager_settings');
                 wp_enqueue_style('jquery-ui', plugins_url('css/jquery-ui.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_commands', plugins_url('lib/css/commands.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_common', plugins_url('lib/css/common.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_contextmenu', plugins_url('lib/css/contextmenu.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_cwd', plugins_url('lib/css/cwd.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_dialog', plugins_url('lib/css/dialog.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_fonts', plugins_url('lib/css/fonts.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_navbar', plugins_url('lib/css/navbar.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_places', plugins_url('lib/css/places.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_quicklook', plugins_url('lib/css/quicklook.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_statusbar', plugins_url('lib/css/statusbar.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('theme', plugins_url('lib/css/theme.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_toast', plugins_url('lib/css/toast.css', __FILE__), '', $this->ver);
                 wp_enqueue_style('fm_toolbar', plugins_url('lib/css/toolbar.css', __FILE__), '', $this->ver);
				 
                 wp_enqueue_script('jquery');          
                 
                 wp_enqueue_script('fm_jquery_js', plugins_url('js/top.js', __FILE__), '', $this->ver);
                
                $jquery_ui_js = 'jquery-ui-1.11.4.js';
                // 5.6 jquery ui issue fix
                if ( version_compare( $wp_version, '5.6', '>=' ) ) {
                    $jquery_ui_js = 'jquery-ui-1.13.2.js';
                }

                wp_enqueue_script('fm_jquery_ui', plugins_url('lib/jquery/'.$jquery_ui_js, __FILE__), $this->ver);
                wp_enqueue_script('fm_elFinder_min', plugins_url('lib/js/elfinder.min.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder', plugins_url('lib/js/elFinder.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_version', plugins_url('lib/js/elFinder.version.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_jquery_elfinder', plugins_url('lib/js/jquery.elfinder.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_mimetypes', plugins_url('lib/js/elFinder.mimetypes.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_options', plugins_url('lib/js/elFinder.options.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_options_netmount', plugins_url('lib/js/elFinder.options.netmount.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_history', plugins_url('lib/js/elFinder.history.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_command', plugins_url('lib/js/elFinder.command.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_elFinder_resources', plugins_url('lib/js/elFinder.resources.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_dialogelfinder', plugins_url('lib/js/jquery.dialogelfinder.js', __FILE__), '', $this->ver);
                 
           
                    if (!empty($lang)) {
                        set_transient('wp_fm_lang', $lang, 60 * 60 * 720);
                        wp_enqueue_script('fm_lang', plugins_url('lib/js/i18n/elfinder.'.$lang.'.js', __FILE__), '', $this->ver);
                    } elseif (false !== ($wp_fm_lang = get_transient('wp_fm_lang'))) {
                        wp_enqueue_script('fm_lang', plugins_url('lib/js/i18n/elfinder.'.$wp_fm_lang.'.js', __FILE__), '', $this->ver);
                    } else {
                        wp_enqueue_script('fm_lang', plugins_url('lib/js/i18n/elfinder.en.js', __FILE__), '', $this->ver);  
                    }
                wp_enqueue_script('fm_ui_button', plugins_url('lib/js/ui/button.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_contextmenu', plugins_url('lib/js/ui/contextmenu.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_cwd', plugins_url('lib/js/ui/cwd.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_dialog', plugins_url('lib/js/ui/dialog.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_fullscreenbutton', plugins_url('lib/js/ui/fullscreenbutton.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_navbar', plugins_url('lib/js/ui/navbar.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_navdock', plugins_url('lib/js/ui/navdock.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_overlay', plugins_url('lib/js/ui/overlay.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_panel', plugins_url('lib/js/ui/panel.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_ui_path', plugins_url('lib/js/ui/path.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_ui_searchbutton', plugins_url('lib/js/ui/searchbutton.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_sortbutton', plugins_url('lib/js/ui/sortbutton.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_stat', plugins_url('lib/js/ui/stat.js', __FILE__), '', $this->ver);


                wp_enqueue_script('fm_ui_toast', plugins_url('lib/js/ui/toast.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_toolbar', plugins_url('lib/js/ui/toolbar.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_tree', plugins_url('lib/js/ui/tree.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_uploadButton', plugins_url('lib/js/ui/uploadButton.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_ui_viewbutton', plugins_url('lib/js/ui/viewbutton.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_ui_workzone', plugins_url('lib/js/ui/workzone.js', __FILE__), '', $this->ver);           

                wp_enqueue_script('fm_command_archive', plugins_url('lib/js/commands/archive.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_back', plugins_url('lib/js/commands/back.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_chmod', plugins_url('lib/js/commands/chmod.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_colwidth', plugins_url('lib/js/commands/colwidth.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_copy', plugins_url('lib/js/commands/copy.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_cut', plugins_url('lib/js/commands/cut.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_download', plugins_url('lib/js/commands/download.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_duplicate', plugins_url('lib/js/commands/duplicate.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_edit', plugins_url('lib/js/commands/edit.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_empty', plugins_url('lib/js/commands/empty.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_extract', plugins_url('lib/js/commands/extract.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_forward', plugins_url('lib/js/commands/forward.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_fullscreen', plugins_url('lib/js/commands/fullscreen.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_getfile', plugins_url('lib/js/commands/getfile.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_help', plugins_url('lib/js/commands/help.js', __FILE__), '', $this->ver); 
                
                wp_enqueue_script('fm_command_hidden', plugins_url('lib/js/commands/hidden.js', __FILE__), '', $this->ver);  
                wp_enqueue_script('fm_command_hide', plugins_url('lib/js/commands/hide.js', __FILE__), '', $this->ver);  
                wp_enqueue_script('fm_command_home', plugins_url('lib/js/commands/home.js', __FILE__), '', $this->ver);  
                wp_enqueue_script('fm_command_info', plugins_url('lib/js/commands/info.js', __FILE__), '', $this->ver);  
                wp_enqueue_script('fm_command_mkdir', plugins_url('lib/js/commands/mkdir.js', __FILE__), '', $this->ver);  
                wp_enqueue_script('fm_command_mkfile', plugins_url('lib/js/commands/mkfile.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_netmount', plugins_url('lib/js/commands/netmount.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_open', plugins_url('lib/js/commands/open.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_opendir', plugins_url('lib/js/commands/opendir.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_opennew', plugins_url('lib/js/commands/opennew.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_paste', plugins_url('lib/js/commands/paste.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_places', plugins_url('lib/js/commands/places.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_quicklook', plugins_url('lib/js/commands/quicklook.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_quicklook_plugins', plugins_url('lib/js/commands/quicklook.plugins.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_reload', plugins_url('lib/js/commands/reload.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_rename', plugins_url('lib/js/commands/rename.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_resize', plugins_url('lib/js/commands/resize.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_restore', plugins_url('lib/js/commands/restore.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_rm', plugins_url('lib/js/commands/rm.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_search', plugins_url('lib/js/commands/search.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_selectall', plugins_url('lib/js/commands/selectall.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_selectinvert', plugins_url('lib/js/commands/selectinvert.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_selectnone', plugins_url('lib/js/commands/selectnone.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_sort', plugins_url('lib/js/commands/sort.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_command_undo', plugins_url('lib/js/commands/undo.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_up', plugins_url('lib/js/commands/up.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_upload', plugins_url('lib/js/commands/upload.js', __FILE__), '', $this->ver);
                wp_enqueue_script('fm_command_view', plugins_url('lib/js/commands/view.js', __FILE__), '', $this->ver);

                wp_enqueue_script('fm_quicklook_googledocs', plugins_url('lib/js/extras/quicklook.googledocs.js', __FILE__), '', $this->ver);         
                     
                 // code mirror
                wp_enqueue_script('fm-codemirror-js', plugins_url('lib/codemirror/lib/codemirror.js', __FILE__), '', $this->ver);

                wp_enqueue_style('fm-codemirror', plugins_url('lib/codemirror/lib/codemirror.css', __FILE__), '', $this->ver);

                wp_enqueue_style('fm-3024-day', plugins_url('lib/codemirror/theme/3024-day.css', __FILE__), '', $this->ver);
                // File - Manager UI               
                wp_register_script( "file_manager_free_shortcode_admin", plugins_url('js/file_manager_free_shortcode_admin.js',  __FILE__ ), array(), rand(0,9999) );
                 wp_localize_script( 'file_manager_free_shortcode_admin', 'fmfparams', array(
                     'ajaxurl' => admin_url('admin-ajax.php'),
                     'nonce' => $fm_nonce,
                     'plugin_url' => plugins_url('lib/', __FILE__),
                     'lang' => isset($_GET['lang']) && in_array(sanitize_text_field(htmlentities($_GET['lang'])), $this->fm_languages()) ? sanitize_text_field(htmlentities($_GET['lang'])) : (($wp_fm_lang !== false) ? $wp_fm_lang : 'en'),
                     'fm_enable_media_upload' => (isset($opt['fm_enable_media_upload']) && $opt['fm_enable_media_upload'] == '1') ? '1' : '0',
                     'is_multisite'=> is_multisite() ? '1' : '0',
                     'network_url'=> is_multisite() ? network_home_url() : '',
                     )
                 );        
                 wp_enqueue_script( 'file_manager_free_shortcode_admin' );               
                
             $theme = isset($_GET['theme']) && !empty($_GET['theme']) ? sanitize_text_field(htmlentities($_GET['theme'])) : '';
             // New Theme
             if (!empty($theme)) {
                 delete_transient('wp_fm_theme');
                 set_transient('wp_fm_theme', $theme, 60 * 60 * 720);
                 if ($theme != 'default') {
                     wp_enqueue_style('theme-latest', plugins_url('lib/themes/'.$theme.'/css/theme.css', __FILE__), '', $this->ver);
                 }
             } elseif (false !== ($wp_fm_theme = get_transient('wp_fm_theme'))) {
                 if ($wp_fm_theme != 'default') {
                     wp_enqueue_style('theme-latest', plugins_url('lib/themes/'.$wp_fm_theme.'/css/theme.css', __FILE__), '', $this->ver);
                 }
             } else {}
             
            }
             endif;
             
         }

        /*
        * Admin Links
        */
        public function mk_file_folder_manager_action_links($links, $file)
        {
            if ($file == plugin_basename(__FILE__)) {
                $mk_file_folder_manager_links = '<a href="https://filemanagerpro.io/product/file-manager/" title="Buy Pro Now" target="_blank" style="font-weight:bold">'.__('Buy Pro', 'wp-file-manager').'</a>';
                $mk_file_folder_manager_donate = '<a href="http://www.webdesi9.com/donate/?plugin=wp-file-manager" title="Donate Now" target="_blank" style="font-weight:bold">'.__('Donate', 'wp-file-manager').'</a>';
                array_unshift($links, $mk_file_folder_manager_donate);
                array_unshift($links, $mk_file_folder_manager_links);
            }

            return $links;
        }

        /*
        * Ajax request handler
        * Run File Manager
        */
        public function mk_file_folder_manager_action_callback()
        {
            $path = ABSPATH;
            $settings      = get_option( 'wp_file_manager_settings' );
            $mk_restrictions = array();
            $mk_restrictions[] = array(
                                  'pattern' => '/.tmb/',
                                   'read' => false,
                                   'write' => false,
                                   'hidden' => true,
                                   'locked' => false,
                                );
            $mk_restrictions[] = array(
                                  'pattern' => '/.quarantine/',
                                   'read' => false,
                                   'write' => false,
                                   'hidden' => true,
                                   'locked' => false,
                                );
            $nonce = sanitize_text_field($_REQUEST['_wpnonce']);
            if (wp_verify_nonce($nonce, 'wp-file-manager')) {
                require 'lib/php/autoload.php';
                if (isset($settings['fm_enable_trash']) && $settings['fm_enable_trash'] == '1') {
                    $mkTrash = array(
                            'id' => '1',
                            'driver' => 'Trash',
                            'path' => WP_FILE_MANAGER_PATH.'lib/files/.trash/',
                            'tmbURL' => site_url().'/lib/files/.trash/.tmb/',
                            'winHashFix' => DIRECTORY_SEPARATOR !== '/',
                            'uploadDeny' => array(''),
                            'uploadAllow' => array(''),
                            'uploadOrder' => array('deny', 'allow'),
                            'accessControl' => 'access',
                            'attributes' => $mk_restrictions,
                        );
                    $mkTrashHash = 't1_Lw';
                } else {
                    $mkTrash = array();
                    $mkTrashHash = '';
                }
                $path_url      =  is_multisite() ? network_home_url() : site_url();
                /**
                 * @Preference
                 * If public root path is changed.
                 */
                $absolute_path = str_replace( '\\', '/', $path ); 
                $path_length   = strlen( $absolute_path );
                $access_folder = isset( $settings['public_path'] ) && ! empty( $settings['public_path'] ) ? substr( $settings['public_path'], $path_length ) : '';
                if ( isset( $settings['public_path'] ) && ! empty( $settings['public_path'] ) ) {
                    $path     = $settings['public_path'];
                    $path_url = is_multisite() ? network_home_url() .'/'. ltrim( $access_folder, '/' ) : site_url() .'/'. ltrim( $access_folder, '/' );
                }
                $opts = array(
                       'debug' => false,
                       'roots' => array(
                        array(
                            'driver' => 'LocalFileSystem',
                            'path' => $path,
                            'URL' => $path_url,
                            'trashHash' => $mkTrashHash,
                            'winHashFix' => DIRECTORY_SEPARATOR !== '/',
                            'uploadDeny' => array(),
                            'uploadAllow' => array('image', 'text/plain'),
                            'uploadOrder' => array('deny', 'allow'),
                            'accessControl' => 'access',
                            'acceptedName' => 'validName',
                            'disabled' => array('help', 'preference','hide','netmount'),
                            'attributes' => $mk_restrictions,
                        ),
                        $mkTrash,
                    ),
                );
                //run elFinder
                $connector = new elFinderConnector(new elFinder($opts));
                $connector->run();
            }
            die;
        }

        /*
        permisions
        */
        public function permissions()
        {
            $permissions = 'manage_options';

            return $permissions;
        }

        /*
         Load Help Desk
        */
        public function load_help_desk()
        {
            $mkcontent = '';
            $mkcontent .= '<div class="wfmrs">';
            $mkcontent .= '<div class="l_wfmrs">';
            $mkcontent .= '';
            $mkcontent .= '</div>';
            $mkcontent .= '<div class="r_wfmrs">';
            $mkcontent .= '<a class="close_fm_help fm_close_btn" href="javascript:void(0)" data-ct="rate_later" title="close">X</a><strong>WP File Manager</strong><p>We love and care about you. Our team is putting maximum efforts to provide you the best functionalities. It would be highly appreciable if you could spend a couple of seconds to give a Nice Review to the plugin to appreciate our efforts. So we can work hard to provide new features regularly :)</p><a class="close_fm_help fm_close_btn_1" href="javascript:void(0)" data-ct="rate_later" title="Remind me later">Later</a> <a class="close_fm_help fm_close_btn_2" href="https://wordpress.org/support/plugin/wp-file-manager/reviews/?filter=5" data-ct="rate_now" title="Rate us now" target="_blank">Rate Us</a> <a class="close_fm_help fm_close_btn_3" href="javascript:void(0)" data-ct="rate_never" title="Not interested">Never</a>';
            $mkcontent .= '</div></div>';
            if (false === ($mk_fm_close_fm_help_c_fm = get_option('mk_fm_close_fm_help_c_fm'))) {
                echo apply_filters('the_content', $mkcontent);
            }
        }

        /*
         Close Help
        */
        public function mk_fm_close_fm_help()
        {
            $what_to_do = sanitize_text_field($_POST['what_to_do']);
            $expire_time = 15;
            if ($what_to_do == 'rate_now' || $what_to_do == 'rate_never') {
                $expire_time = 365;
            } elseif ($what_to_do == 'rate_later') {
                $expire_time = 15;
            }
            if (false === ($mk_fm_close_fm_help_c_fm = get_option('mk_fm_close_fm_help_c_fm'))) {
                $set = update_option('mk_fm_close_fm_help_c_fm', 'done');
                if ($set) {
                    echo 'ok';
                } else {
                    echo 'oh';
                }
            } else {
                echo 'ac';
            }
            die;
        }

        /*
         Loading Custom Assets
        */
        public function load_custom_assets()
        {                 
            wp_enqueue_script('fm-custom-script', plugins_url('js/fm_script.js', __FILE__), array('jquery'), $this->ver);
            wp_localize_script( 'fm-custom-script', 'fmscript', array(
                'nonce' => wp_create_nonce('wp-file-manager-language')
            )); 
            wp_enqueue_style('fm-custom-script-style', plugins_url('css/fm_script.css', __FILE__), '', $this->ver);
        }

        /*
         custom_css
        */
        public function custom_css()
        {
            wp_enqueue_style('fm-custom-style', plugins_url('css/fm_custom.css', __FILE__), '', $this->ver);
        }

        /* Languages */
        public function fm_languages()
        {
            $langs = array('English' => 'en',
                          'Arabic' => 'ar',
                          'Bulgarian' => 'bg',
                          'Catalan' => 'ca',
                          'Czech' => 'cs',
                          'Danish' => 'da',
                          'German' => 'de',
                          'Greek' => 'el',
                          'Español' => 'es',
                          'Persian-Farsi' => 'fa',
                          'Faroese translation' => 'fo',
                          'French' => 'fr',
                          'Hebrew (עברית)' => 'he',
                          'hr' => 'hr',
                          'magyar' => 'hu',
                          'Indonesian' => 'id',
                          'Italiano' => 'it',
                          'Japanese' => 'ja',
                          'Korean' => 'ko',
                          'Dutch' => 'nl',
                          'Norwegian' => 'no',
                          'Polski' => 'pl',
                          'Português' => 'pt_BR',
                          'Română' => 'ro',
                          'Russian (Русский)' => 'ru',
                          'Slovak' => 'sk',
                          'Slovenian' => 'sl',
                          'Serbian' => 'sr',
                          'Swedish' => 'sv',
                          'Türkçe' => 'tr',
                          'Uyghur' => 'ug_CN',
                          'Ukrainian' => 'uk',
                          'Vietnamese' => 'vi',
                          'Simplified Chinese (简体中文)' => 'zh_CN',
                          'Traditional Chinese' => 'zh_TW',
                          );

            return $langs;
        }

        /* get All Themes */
        public function get_themes()
        {
            $dir = dirname(__FILE__).'/lib/themes';
            $theme_files = array_diff(scandir($dir), array('..', '.'));

            return $theme_files;
        }

        /* Success Message */
        public function success($msg)
        {
            _e('<div class="updated settings-error notice is-dismissible" id="setting-error-settings_updated"> 
<p><strong>'.$msg.'</strong></p><button class="notice-dismiss" type="button"><span class="screen-reader-text">Dismiss this notice.</span></button></div>', 'te-editor');
        }

        /* Error Message */
        public function error($msg)
        {
            _e('<div class="error settings-error notice is-dismissible" id="setting-error-settings_updated"> 
<p><strong>'.$msg.'</strong></p><button class="notice-dismiss" type="button"><span class="screen-reader-text">Dismiss this notice.</span></button></div>', 'te-editor');
        }

        /*
         * Admin - Assets
        */
        public function fm_custom_assets()
        {
            wp_enqueue_style('fm_custom_style', plugins_url('/css/fm_custom_style.css', __FILE__));
        }
        /* 
        * Media Upload
        */
        public function mk_file_folder_manager_media_upload() {	
            $nonce = sanitize_text_field($_REQUEST['_wpnonce']);
            if (current_user_can('manage_options') && wp_verify_nonce($nonce, 'wp-file-manager')) {
                $uploadedfiles = isset($_POST['uploadefiles']) ? $_POST['uploadefiles'] : '';
                if(!empty($uploadedfiles)) {
                    foreach($uploadedfiles as $uploadedfile) {
                        $uploadedfile = esc_url_raw($uploadedfile);
                        /* Start - Uploading Image to Media Lib */
                        if(is_multisite() && isset($_REQUEST['networkhref']) && !empty($_REQUEST['networkhref']))
                        {
                            $network_home = network_home_url();
                            $uploadedfile =  $network_home.basename($uploadedfile);
                        }
                        $this->upload_to_media_library($uploadedfile);
                        /* End - Uploading Image to Media Lib */
                    }
                }
            }
            die;
        }
       /* Upload Images to Media Library */
		 public function upload_to_media_library($image_url) {
            $allowed_exts = array('jpg','jpe',
                'jpeg','gif',
                'png','svg',
                'pdf','zip',
                'ico','pdf',
                'doc','docx',
                'ppt','pptx',
                'pps','ppsx',
                'odt','xls',
                'xlsx','psd',
                'mp3','m4a',
                'ogg','wav',
                'mp4','m4v',
                'mov','wmv',
                'avi','mpg',
                'ogv','3gp',
                '3g2'
            );
            $image_url = str_replace('..', '', $image_url);
            $url = $image_url;
            preg_match('/[^\?]+\.(jpg|jpe|jpeg|gif|png|pdf|zip|ico|pdf|doc|docx|ppt|pptx|pps|ppsx|odt|xls|xlsx|psd|mp3|m4a|ogg|wav|mp4|m4v|mov|wmv|avi|mpg|ogv|3gp|3g2)/i', $url, $matches);
             if(isset($matches[1]) && in_array($matches[1], $allowed_exts)) {
			// Need to require these files
					if ( !function_exists('media_handle_upload') ) {
						require_once(ABSPATH . "wp-admin" . '/includes/image.php');
						require_once(ABSPATH . "wp-admin" . '/includes/file.php');
						require_once(ABSPATH . "wp-admin" . '/includes/media.php');
					}
				
					$tmp = download_url( $url );
					$post_id = 0;
					$desc = "";
					$file_array = array();     
                    $file_array['name'] = basename($matches[0]);
                    $file_info = pathinfo($file_array['name']);
					$desc = $file_info['filename'];				
					// If error storing temporarily, unlink
					if ( is_wp_error( $tmp ) ) {
						@unlink($file_array['tmp_name']);
						$file_array['tmp_name'] = '';
					} else {
						$file_array['tmp_name'] = $tmp;
					}
					$id = media_handle_sideload( $file_array, $post_id, $desc );
					if ( is_wp_error($id) ) {
						@unlink($file_array['tmp_name']);
						return $id;
                    }
            }
         }

         /**
         * Function to download backup
         */

         public function fm_download_backup($request){
            $params = $request->get_params();
            $backup_id = isset($params["backup_id"]) ? trim($params["backup_id"]) : '';
            $type = isset($params["type"]) ? trim($params["type"]) : '';
            if(!empty($backup_id) && !empty($type)){
                $id = (int) base64_decode(trim($params["backup_id"]));
                $type = base64_decode(trim($params["type"]));
                $fmkey = self::fm_get_key();
                if(base64_encode(site_url().$fmkey) === $params['key']){
                    global $wpdb;
                    $upload_dir = wp_upload_dir();
                    $backup = $wpdb->get_var(
                        $wpdb->prepare("select backup_name from ".$wpdb->prefix."wpfm_backup where id=%d",$id)
                    );
                    $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup/';
                    $backup_baseurl = $upload_dir['baseurl'].'/wp-file-manager-pro/fm_backup/';
                    if($type == "db"){
                        $bkpName = $backup.'-db.sql.gz';
                    }else{
                        $directory_separators = ['../', './','..\\', '.\\', '..'];
                        $type = str_replace($directory_separators, '', $type);
                        $bkpName = $backup.'-'.$type.'.zip';
                    }
                    $file = $backup_dirname.$bkpName;
                    if(file_exists($file)){
                        //Set Headers:
                        $memory_limit = intval( ini_get( 'memory_limit' ) );
                        if ( ! extension_loaded( 'suhosin' ) && $memory_limit < 512 ) {
                            @ini_set( 'memory_limit', '1024M' );
                        }
                        @ini_set( 'max_execution_time', 6000 );
                        @ini_set( 'max_input_vars', 10000 );
                        $etag = md5_file($file);
                        header('Pragma: public');
                        header('Expires: 0');
                        header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
                        header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($file)) . ' GMT');
                        header("Etag: ".$etag);
                        header('Content-Type: application/force-download');
                        header('Content-Disposition: inline; filename="'.$bkpName.'"');
                        header('Content-Transfer-Encoding: binary');
                        header('Content-Length: ' . filesize($file));
                        header('Connection: close');
                        if(ob_get_level()){
                            ob_end_clean();
                        }
                        readfile($file);
                        exit();
                    }
                    else{
                        $messg = __( 'File doesn\'t exist to download.', 'wp-file-manager-pro');
                        return new WP_Error( 'fm_file_exist', $messg, array( 'status' => 404 ) );
                    }
                }
                else {
                    $messg = __( 'Invalid Security Code.', 'wp-file-manager-pro');
                    return new WP_Error( 'fm_security_issue', $messg, array( 'status' => 404 ) );
                }
            }
            if(!isset($params["backup_id"])){
                $messg1 = __( 'Missing backup id.', 'wp-file-manager-pro');
                return new WP_Error( 'fm_missing_params', $messg1, array( 'status' => 401 ) );
            } elseif(!isset($params["type"])){
                $messg2 = __( 'Missing parameter type.', 'wp-file-manager-pro');
                return new WP_Error( 'fm_missing_params', $messg2, array( 'status' => 401 ) );
            } else {
                $messg4 = __( 'Missing required parameters.', 'wp-file-manager-pro');
                return new WP_Error( 'fm_missing_params', $messg4, array( 'status' => 401 ) );
            }
        }

        /**
         * Function to download all backup zip in one
         */

        public function fm_download_backup_all($request){
            $params = $request->get_params();
            $backup_id = isset($params["backup_id"]) ? trim($params["backup_id"]) : '';
            $type = isset($params["type"]) ? trim($params["type"]) : '';
            $all = isset($params["all"]) ? trim($params["all"]) : '';
            if(!empty($backup_id) && !empty($type) && !empty($all)){
                $id = (int) base64_decode(trim($params["backup_id"]));
                $type = base64_decode(trim($params["type"]));
                $fmkey = self::fm_get_key();
                if(base64_encode(site_url().$fmkey) === $params['key']){
                    global $wpdb;
                    $upload_dir = wp_upload_dir();
                    $backup = $wpdb->get_var(
                        $wpdb->prepare("select backup_name from ".$wpdb->prefix."wpfm_backup where id=%d",$id)
                    );
                    
                    $backup_dirname = $upload_dir['basedir'].'/wp-file-manager-pro/fm_backup/';
                    $dir_list = scandir($backup_dirname, 1);
                    $zip = new ZipArchive(); 
                    $zip_name = $backup."-all.zip"; 
                    if ($zip->open($zip_name, ZIPARCHIVE::CREATE  || ZipArchive::OVERWRITE) === true) {
                    foreach($dir_list as $key => $file_name){
                        $ext = pathinfo($file_name, PATHINFO_EXTENSION);
                        if($file_name != '.' && $file_name != '..' && (is_dir($backup_dirname.'/'.$file_name) || $ext == 'zip' || $ext == 'gz') ){
                          
                                if(strpos($file_name,$backup) !== false ){
                                    $source_file = $backup_dirname.$dir_list[$key];
                                    $source_file = str_replace('\\', '/', realpath($source_file));
                                    $zip->addFromString(basename($source_file), file_get_contents($source_file));
                                  
                                }
                            }
                        }
                    }
              
                    $zip->close();
                    if(file_exists($zip_name)){
                        //Set Headers:
                        $memory_limit = intval( ini_get( 'memory_limit' ) );
                        if ( ! extension_loaded( 'suhosin' ) && $memory_limit < 512 ) {
                            @ini_set( 'memory_limit', '1024M' );
                        }
                        @ini_set( 'max_execution_time', 6000 );
                        @ini_set( 'max_input_vars', 10000 );
                        $etag = md5_file($zip_name);
                        header('Pragma: public');
                        header('Expires: 0');
                        header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
                        header('Last-Modified: ' . gmdate('D, d M Y H:i:s', filemtime($zip_name)) . ' GMT');
                        header("Etag: ".$etag);
                        header('Content-Type: application/force-download');
                        header('Content-Disposition: inline; filename="'.$zip_name.'"');
                        header('Content-Transfer-Encoding: binary');
                        header('Content-Length: ' . filesize($zip_name));
                        header('Connection: close');
                        if(ob_get_level()){
                            ob_end_clean();
                        }
                        readfile($zip_name);
                        unlink($zip_name);
                        exit();
                    }
                    else{
                        $messg = __( 'File doesn\'t exist to download.', 'wp-file-manager-pro');
                        return new WP_Error( 'fm_file_exist', $messg, array( 'status' => 404 ) );
                    }
                }
                else {
                    $messg = __( 'Invalid Security Code.', 'wp-file-manager-pro');
                    return new WP_Error( 'fm_security_issue', $messg, array( 'status' => 404 ) );
                }
            }
            if(!isset($params["backup_id"])){
                $messg1 = __( 'Missing backup id.', 'wp-file-manager-pro');
                return new WP_Error( 'fm_missing_params', $messg1, array( 'status' => 401 ) );
            } elseif(!isset($params["type"])){
                $messg2 = __( 'Missing parameter type.', 'wp-file-manager-pro');
                return new WP_Error( 'fm_missing_params', $messg2, array( 'status' => 401 ) );
            } else {
                $messg4 = __( 'Missing required parameters.', 'wp-file-manager-pro');
                return new WP_Error( 'fm_missing_params', $messg4, array( 'status' => 401 ) );
            }
        }

        /*
        * Redirection
        */
        public static function mk_fm_redirect($url){
            $url= esc_url_raw($url);
            wp_register_script( 'mk-fm-redirect', '', array("jquery"));
            wp_enqueue_script( 'mk-fm-redirect' );
            wp_add_inline_script('mk-fm-redirect','window.location.href="'.$url.'"');
        }

    }
    $filemanager = new mk_file_folder_manager();
    global $filemanager;
    /* end class */
endif;

if(!function_exists('mk_file_folder_manager_wp_fm_create_tables')) {
	function mk_file_folder_manager_wp_fm_create_tables(){
		global $wpdb;
		$table_name = $wpdb->prefix . 'wpfm_backup';
		require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
		if($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
			$charset_collate = $wpdb->get_charset_collate();
			$sql = "CREATE TABLE ".$table_name." (
                    id int(11) NOT NULL AUTO_INCREMENT,
                    backup_name text NULL,
                    backup_date text NULL,
                    PRIMARY KEY  (id)
                ) $charset_collate;";
			dbDelta( $sql );
		}
	}
}

if(!function_exists('mk_file_folder_manager_create_tables')){
	function mk_file_folder_manager_create_tables(){
		if ( is_multisite() ) {
			global $wpdb;
			// Get all blogs in the network and activate plugin on each one
			$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
			foreach ( $blog_ids as $blog_id ) {
				switch_to_blog( $blog_id );
				mk_file_folder_manager_wp_fm_create_tables();
				restore_current_blog();
			}
		} else {
			mk_file_folder_manager_wp_fm_create_tables();
		}
	}
}

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	<article id="post-1413" class="post-1413 post type-post status-publish format-standard hentry category-uncategorized">
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									<h1 class="entry-title">Elevating Mobile Gaming: The Significance of Optimising Slot Game Experiences</h1>
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			<p>In the rapidly evolving world of digital gaming, mobile platforms continue to dominate player engagement and market share. According to recent industry reports, over <strong>82%</strong> of global online gambling revenue now comes from mobile devices, highlighting the importance of seamless mobile optimisation for casino slot games (<em>Source: Global Gaming Industry Analysis, 2023</em>). Such a shift elevates the responsibility for developers and operators to ensure that every facet of their gaming offerings is fully optimised for mobile, not just in terms of graphics but also functionality, speed, and user experience.</p>
<h2>The Critical Role of Mobile Optimization in Slot Gaming</h2>
<p>Mobile optimisation is more than a technical requirement; it is a strategic imperative. In the competitive landscape of online slots, a subpar mobile experience can significantly deter players, impacting retention and revenue. Modern players expect instant access, intuitive interfaces, and a seamless gaming journey, regardless of device or context. This expectation is driven by innovations in responsive design, adaptive graphics, and faster loading times.</p>
<blockquote><p>
«The success of a slot game in today&#8217;s market hinges on its capacity to deliver a flawless mobile experience—anything less risks losing a substantial portion of the audience.»</p></blockquote>
<h2>Case Study: The &#8216;Book of Oz&#8217; Slot Series and Mobile Optimisation</h2>
<p>A prime example of the industry’s move towards superior mobile experiences is exemplified by titles in the <em>&#8216;Book of Oz&#8217;</em> series, which has garnered a dedicated player base worldwide. As the series expanded, developers recognised the need to adapt the game for mobile platforms to meet the demands of on-the-go gaming). This led to critical assessments of their design and performance metrics, focusing on delivering a consistent experience across all devices.</p>
<p>To understand the depth of this review process, industry insiders often refer to comprehensive resources that audit game performance, mechanics, and usability on various platforms. One such authoritative source is available at <a href="https://mobileslottesting.com/database/book-of-oz-lock-n-spin.html/">Book of Oz Lock &#8216;N Spin: mobile optimization</a>. This tool provides in-depth data and insights on how the game performs when optimised for mobile devices, highlighting crucial elements such as:</p>
<table>
<thead>
<tr>
<th>Aspect</th>
<th>Details</th>
</tr>
</thead>
<tbody>
<tr>
<td>Loading Speed</td>
<td>Ensures rapid game launch and smooth transitions, reducing user frustration</td>
</tr>
<tr>
<td>User Interface</td>
<td>Adapts control schemes for multi-touch screens, maintaining clarity and accessibility</td>
</tr>
<tr>
<td>Graphics &amp; Animation</td>
<td>Optimizes assets for performance without compromising visual appeal</td>
</tr>
<tr>
<td>Responsiveness</td>
<td>Maintains functionality and visual integrity across all screen sizes and orientations</td>
</tr>
<tr>
<td>Gameplay Mechanics</td>
<td>Ensures features like Spin, Autoplay, and bonus triggers work flawlessly on mobile</td>
</tr>
</tbody>
</table>
<p>Such detailed evaluations demonstrate how thoughtful mobile optimisation directly impacts player engagement and retention for games like <em>&#8216;Book of Oz Lock &#8216;N Spin&#8217;</em>. Achieving a high standard in these areas not only enhances user experience but also influences a game’s competitive edge in saturated markets.</p>
<h2>Industry Insights: The Future of Mobile Slot Optimization</h2>
<p>Industry leaders predict that mobile gaming will continue to evolve with innovations like 5G connectivity, augmented reality, and improved mobile hardware. These advancements necessitate ongoing optimisation efforts. For example, high-definition graphics and complex mechanics must be balanced against speed and data constraints to deliver optimal performance.</p>
<p><strong>Expert Tip:</strong> Developers must adopt a continuous approach to optimisation, incorporating user feedback and performance data analytics to refine their mobile offerings.</p>
<h2>Conclusion: Integrating Best Practices for a Competitive Edge</h2>
<p>In sum, robust mobile optimisation is no longer an optional feature but an essential strategy for game developers aiming to lead in a crowded marketplace. Resources like Book of Oz Lock &#8216;N Spin: mobile optimization serve as vital benchmarks, providing insights into effective adaptation strategies for popular titles. By prioritising seamless mobile experiences, developers not only meet player expectations but also unlock new growth avenues, ensuring their games remain relevant and profitable in the digital age.</p>
            <p>Autor: host</p>
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