ion Expired. Try refreshing page.", "download-manager")));
        check_ajax_referer(WPDMAM_NONCE_KEY, '__wpdm_deletelink');
        if (!current_user_can('access_server_browser')) wp_send_json(array('success' => false, 'message' => __("Error! You are not authorized to execute this action.", "download-manager")));

        $link_ID = wpdm_query_var('linkid', 'int');
        $link = Asset::deleteLink($link_ID);
        wp_send_json(array('success' => $link));

    }

    function saveFile()
    {
        if (!isset($_REQUEST['__wpdm_savefile']) || !wp_verify_nonce($_REQUEST['__wpdm_savefile'], WPDMAM_NONCE_KEY)) wp_send_json(array('success' => false, 'message' => __("Error! Session Expired. Try refreshing page.", "download-manager")));
        check_ajax_referer(WPDMAM_NONCE_KEY, '__wpdm_savefile');
        if (!current_user_can(WPDM_ADMIN_CAP)) wp_send_json(array('success' => false, 'message' => __("Error! You are not authorized to execute this action.", "download-manager")));

        $ofilepath = Session::get(wpdm_query_var('opened'));
        $relpath = Crypt::decrypt(wpdm_query_var('file'));
        $path = AssetManager::root($relpath);
        if (!$path) wp_send_json(array('success' => false, 'message' => __("Error! Unauthorized Path.", "download-manager")));

        if (WPDM()->fileSystem->isBlocked($path)) wp_send_json(array('success' => false, 'message' => __("Error! FileType is not allowed.", "download-manager")));

        if (file_exists($path) && is_file($path)) {
            $content = stripslashes_deep($_POST['content']);
            file_put_contents($path, $content);
            wp_send_json(array('success' => true, 'message' => 'Saved Successfully.', 'type' => 'success'));
        } else {
            wp_send_json(array('success' => false, 'message' => __("Error! Couldn't open file ( $path ).", "download-manager")));
        }

    }

    function renameItem()
    {
        if (!isset($_REQUEST['__wpdm_rename']) || !wp_verify_nonce($_REQUEST['__wpdm_rename'], WPDMAM_NONCE_KEY)) wp_send_json(array('success' => false, 'message' => __("Error! Session Expired. Try refreshing page.", "download-manager")));
        check_ajax_referer(WPDMAM_NONCE_KEY, '__wpdm_rename');
        if (!current_user_can(WPDM_ADMIN_CAP)) wp_send_json(array('success' => false, 'message' => __("Error! You are not authorized to execute this action.", "download-manager")));
        global $current_user;
        $asset = new Asset();
        $asset->get(wpdm_query_var('assetid', 'int'));
        $root = AssetManager::root();
        $oldpath = $asset->path;
        $newpath = dirname($asset->path) . '/' . str_replace(array("/", "\\", "\"", "'"), "_", wpdm_query_var('newname'));

        if (WPDM()->fileSystem->isBlocked(wpdm_query_var('newname'))) wp_send_json(array('success' => false, 'message' => __("Error! FileType is not allowed.", "download-manager")));

        if (!strstr($newpath, $root)) die('Error!' . $newpath . " -- " . $root);
        rename($oldpath, $newpath);
        $asset->updatePath($newpath);
        wp_send_json($asset);
    }

    function moveItem()
    {
        if (!isset($_REQUEST['__wpdm_cutpaste']) || !wp_verify_nonce($_REQUEST['__wpdm_cutpaste'], WPDMAM_NONCE_KEY)) wp_send_json(array('success' => false, 'message' => __("Error! Session Expired. Try refreshing page.", "download-manager")));
        check_ajax_referer(WPDMAM_NONCE_KEY, '__wpdm_cutpaste');
        if (!current_user_can(WPDM_ADMIN_CAP)) wp_send_json(array('success' => false, 'message' => __("Error! You are not authorized to execute this action.", "download-manager")));

        $opath = explode("|||", wpdm_query_var('source'));
        $olddir = Crypt::decrypt($opath[0]);
        $file = end($opath);

        //Check file is in allowed types
        if (WPDM()->fileSystem->isBlocked($file)) wp_send_json(array('success' => false, 'message' => __("Error! FileType is not allowed.", "download-manager")));


        $oldpath = AssetManager::root($olddir . '/' . $file);
        $newpath = AssetManager::root(Crypt::decrypt(wpdm_query_var('dest'))) . $file;
        if (!$oldpath) wp_send_json(array('success' => false, 'message' => __("Invalid source path", "download-manager")));
        if (!$newpath) wp_send_json(array('success' => false, 'message' => __("Invalid destination path", "download-manager")));
        rename($oldpath, $newpath);

        $asset = new Asset();
        $asset = $asset->get($oldpath);
        if ($asset)
            $asset->updatePath($newpath);

        wp_send_json(array('success' => true, 'message' => __("File moved successfully", "download-manager")));
    }

    function copyItem()
    {
        if (!isset($_REQUEST['__wpdm_copypaste']) || !wp_verify_nonce($_REQUEST['__wpdm_copypaste'], WPDMAM_NONCE_KEY)) wp_send_json(array('success' => false, 'message' => __("Error! Session Expired. Try refreshing page.", "download-manager")));
        check_ajax_referer(WPDMAM_NONCE_KEY, '__wpdm_copypaste');
        if (!current_user_can(WPDM_ADMIN_CAP)) wp_send_json(array('success' => false, 'message' => __("Error! You are not authorized to execute this action.", "download-manager")));
        global $current_user;
        $root = AssetManager::root();
        $opath = explode("|||", wpdm_query_var('source'));
        $olddir = Crypt::decrypt($opath[0]);
        $file = end($opath);
        $oldpath = AssetManager::root($olddir . '/' . $file);
        $newpath = AssetManager::root(Crypt::decrypt(wpdm_query_var('dest'))) . $file;
        if (!strstr($oldpath, $root)) wp_send_json(array('success' => false, 'message' => __("Invalid source path", "download-manager")));
        if (!strstr($newpath, $root)) wp_send_json(array('success' => false, 'message' => __("Invalid destination path", "download-manager")));

        //Check file is in allowed types
        if (WPDM()->fileSystem->isBlocked($newpath)) wp_send_json(array('success' => false, 'message' => __("Error! FileType is not allowed.", "download-manager")));

        copy($oldpath, $newpath);

        wp_send_json(array('success' => true, 'message' => __("File copied successfully", "download-manager")));
    }

    function rmDir($dir)
    {
        $files = array_diff(scandir($dir), array('.', '..'));
        foreach ($files as $file) {
            (is_dir("$dir/$file")) ? $this->rmDir("$dir/$file") : unlink("$dir/$file");
        }
        return rmdir($dir);
    }

    function copyDir($src, $dst)
    {
        $src = realpath($src);
        $dir = opendir($src);

        $dst = realpath($dst) . '/' . basename($src);
        @mkdir($dst);

        while (false !== ($file = readdir($dir))) {
            if (($file != '.') && ($file != '..')) {
                if (is_dir($src . '/' . $file)) {
                    $this->copyDir($src . '/' . $file, $dst . '/' . $file);
                } else {
                    copy($src . '/' . $file, $dst . '/' . $file);
                }
            }
        }
        closedir($dir);
    }

    function frontendFileManagerTab($tabs)
    {
        $tabs['asset-manager'] = array('label' => 'Asset Manager', 'callback' => array($this, '_assetManager'), 'icon' => 'fa fa-copy');
        return $tabs;
    }

    function _assetManager()
    {

        include Template::locate("asset-manager-ui.php", __DIR__.'/views');

    }

    /**
     * Shortcode processor for [wpdm_asset ...$params]
     * @param $params
     * @return bool|mixed|string
     */
    function wpdmAsset($params)
    {
        if (!isset($params['id'])) return \WPDM\__\Messages::error(__("Asset not found!", "download-manager"), -1);
        $path_or_id = (int)$params['id'];
        $asset = new Asset();
        $asset->get($path_or_id);
        ob_start();
        include Template::locate("embed-asset.php", __DIR__.'/views');
        $content = ob_get_clean();
        return $content;
    }

    function upload($file)
    {
        if (isset($_REQUEST['__wpdmfm_upload']) && wp_verify_nonce($_REQUEST['__wpdmfm_upload'], NONCE_KEY)) {
            $working_dir = get_user_meta(get_current_user_id(), 'working_dir', true);
            $root = AssetManager::root();
            if (!strstr($working_dir, $root)) wp_send_json(array('success' => false));
            if ($working_dir != '') {
                $dest = $working_dir . basename($file);
                rename($file, $dest);
                wp_send_json(array('success' => true, 'src' => $file, 'file' => $dest));
            } else
                wp_send_json(array('success' => false));
        }
    }

    /**
     * Extract zip
     */
    function extract()
    {
        $relpath = Crypt::decrypt(wpdm_query_var('zipfile'));
        $zipfile = AssetManager::root($relpath);
        $reldest = Crypt::decrypt(wpdm_query_var('zipdest'));
        if ($reldest == '') $reldest = dirname($zipfile);
        $zipdest = AssetManager::root($reldest);
        if (!current_user_can(WPDM_ADMIN_CAP)) wp_send_json(array('success' => false, 'message' => __("Error! Only Administrator can execute this operation.", "download-manager")));
        if (!$zipfile || !stristr($zipfile, '.zip')) wp_send_json(array('success' => false, 'message' => __("Error! Unauthorized Path.", "download-manager")));
        if (!$zipdest) wp_send_json(array('success' => false, 'message' => __("Error! Invalid Destination Path.", "download-manager")));
        if (!class_exists('\ZipArchive')) wp_send_json(array('success' => false, 'message' => __('Please activate "zlib" in your server to perform zip operations', 'download-manager')));
        $zip = new \ZipArchive();
        if ($zip->open($zipfile) === TRUE) {
            $zip->extractTo($zipdest);
            $zip->close();
            wp_send_json(array('success' => true, 'message' => __("Unzipped successfully.", "download-manager")));
        } else {
            wp_send_json(array('success' => false, 'message' => __("Error! Couldn't open the zip file.", "download-manager")));
        }
    }

	static function fsPath($path)
	{
		$path = str_replace("\\", "/", $path);
		$path = is_dir($path) ? trailingslashit($path) : $path;
		return $path;
	}

}



<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WPDM\AssetManager\AssetManager' not found in /home/kordian1/domains/ostrabrama.pl/public_html/wp-content/plugins/download-manager/download-manager.php:211
Stack trace:
#0 /home/kordian1/domains/ostrabrama.pl/public_html/wp-content/plugins/download-manager/download-manager.php(151): WPDM\WordPressDownloadManager-&gt;__construct()
#1 /home/kordian1/domains/ostrabrama.pl/public_html/wp-content/plugins/download-manager/download-manager.php(559): WPDM\WordPressDownloadManager::instance()
#2 /home/kordian1/domains/ostrabrama.pl/public_html/wp-settings.php(522): include_once('/home/kordian1/...')
#3 /home/kordian1/domains/ostrabrama.pl/public_html/wp-config.php(81): require_once('/home/kordian1/...')
#4 /home/kordian1/domains/ostrabrama.pl/public_html/wp-load.php(50): require_once('/home/kordian1/...')
#5 /home/kordian1/domains/ostrabrama.pl/public_html/wp-blog-header.php(13): require_once('/home/kordian1/...')
#6 /home/kordian1/domains/ostrabrama.pl/public_html/index.php(17): require('/home/kord in <b>/home/kordian1/domains/ostrabrama.pl/public_html/wp-content/plugins/download-manager/download-manager.php</b> on line <b>211</b><br />