PHP File_Archive::extract方法代码示例

 /**
  * Returns downloadable backup file
  *
  * @access  public
  * @return void
  */
 function Backup()
 {
     $this->gadget->CheckPermission('Backup');
     $tmpDir = sys_get_temp_dir();
     $domain = preg_replace("/^(www.)|(:{$_SERVER['SERVER_PORT']})\$|[^a-z0-9\\-\\.]/", '', strtolower($_SERVER['HTTP_HOST']));
     $nameArchive = $domain . '-' . date('Y-m-d') . '.tar.gz';
     $pathArchive = $tmpDir . DIRECTORY_SEPARATOR . $nameArchive;
     //Dump database data
     $dbFileName = 'dbdump.xml';
     $dbFilePath = $tmpDir . DIRECTORY_SEPARATOR . $dbFileName;
     Jaws_DB::getInstance()->Dump($dbFilePath);
     $files = array();
     require_once PEAR_PATH . 'File/Archive.php';
     $files[] = File_Archive::read(JAWS_DATA);
     $files[] = File_Archive::read($dbFilePath, $dbFileName);
     File_Archive::extract($files, File_Archive::toArchive($pathArchive, File_Archive::toFiles()));
     Jaws_Utils::Delete($dbFilePath);
     // browser must download file from server instead of cache
     header("Expires: 0");
     header("Pragma: public");
     header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
     // force download dialog
     header("Content-Type: application/force-download");
     // set data type, size and filename
     header("Content-Disposition: attachment; filename=\"{$nameArchive}\"");
     header("Content-Transfer-Encoding: binary");
     header('Content-Length: ' . @filesize($pathArchive));
     @readfile($pathArchive);
     Jaws_Utils::Delete($pathArchive);
 }

 /**
  * Creates a .zip file of the theme in themes/ directory
  *
  * @access  public
  * @param   string  $theme      Name of the theme
  * @param   string  $srcDir     Source directory
  * @param   string  $destDir    Target directory
  * @param   bool    $copy_example_to_repository  If copy example.png too or not
  * @return  bool    Returns true if:
  *                    - Theme exists
  *                    - Theme exists and could be packed
  *                  Returns false if:
  *                    - Theme doesn't exist
  *                    - Theme doesn't exists and couldn't be packed
  */
 function packTheme($theme, $srcDir, $destDir, $copy_example_to_repository = true)
 {
     $themeSrc = $srcDir . '/' . $theme;
     if (!is_dir($themeSrc)) {
         return new Jaws_Error(_t('TMS_ERROR_THEME_DOES_NOT_EXISTS', $theme));
     }
     if (!Jaws_Utils::is_writable($destDir)) {
         return new Jaws_Error(_t('GLOBAL_ERROR_FAILED_DIRECTORY_UNWRITABLE', $destDir), $this->gadget->name);
     }
     $themeDest = $destDir . '/' . $theme . '.zip';
     //If file exists.. delete it
     if (file_exists($themeDest)) {
         @unlink($themeDest);
     }
     require_once PEAR_PATH . 'File/Archive.php';
     $reader = File_Archive::read($themeSrc, $theme);
     $innerWriter = File_Archive::toFiles();
     $writer = File_Archive::toArchive($themeDest, $innerWriter);
     $res = File_Archive::extract($reader, $writer);
     if (PEAR::isError($res)) {
         return new Jaws_Error(_t('TMS_ERROR_COULD_NOT_PACK_THEME'));
     }
     Jaws_Utils::chmod($themeDest);
     if ($copy_example_to_repository) {
         //Copy image to repository/images
         if (file_exists($srcDir . '/example.png')) {
             @copy($srcDir . '/example.png', JAWS_DATA . "themes/repository/Resources/images/{$theme}.png");
             Jaws_Utils::chmod(JAWS_DATA . 'themes/repository/Resources/images/' . $theme . '.png');
         }
     }
     return $themeDest;
 }

 function exportUploadedFiles($gid)
 {
     require_once "File/Archive.php";
     File_Archive::setOption('zipCompressionLevel', 0);
     $baseDir = CUSTOMER_IMAGE_DIR . $gid;
     $files = list_files_dir($baseDir);
     File_Archive::extract($files, File_Archive::toArchive("campaign_" . $gid . "_uploadedfiles_" . date('dFY') . ".zip", File_Archive::toOutput()));
 }

 function saveChanges()
 {
     global $CONFIG;
     $_REQUEST->setType('uncompress', 'any');
     if (isset($_FILES['uFiles']) && $this->may($USER, EDIT)) {
         $u = false;
         $ue = false;
         $extensions = $CONFIG->Files->filter;
         foreach ($_FILES['uFiles']['error'] as $i => $e) {
             $parts = explode('.', $_FILES['uFiles']['name'][$i]);
             $extension = array_pop($parts);
             if ($e == UPLOAD_ERR_NO_FILE) {
                 continue;
             }
             $newPath = $this->that->path . '/' . $_FILES['uFiles']['name'][$i];
             if ($e == UPLOAD_ERR_OK) {
                 if ($_REQUEST['uncompress'] && in_array(strtolower(strrchr($_FILES['uFiles']['name'][$i], '.')), array('.tar', '.gz', '.tgz', '.bz2', '.tbz', '.zip', '.ar', '.deb'))) {
                     $tmpfile = $_FILES['uFiles']['tmp_name'][$i] . $_FILES['uFiles']['name'][$i];
                     rename($_FILES['uFiles']['tmp_name'][$i], $tmpfile);
                     $u = true;
                     require_once "File/Archive.php";
                     error_reporting(E_ALL);
                     $curdir = getcwd();
                     chdir($this->path);
                     //FIXME: FIXME!
                     if (@File_Archive::extract(File_Archive::filter(File_Archive::predExtension($extensions), File_Archive::read($tmpfile . '/*')), File_Archive::toFiles()) == null) {
                         $ue = true;
                     } else {
                         Flash::queue(__('Extraction failed'));
                     }
                     chdir($curdir);
                 } elseif (!in_array(strtolower($extension), $extensions)) {
                     Flash::queue(__('Invalid format:') . ' ' . $_FILES['uFiles']['name'][$i], 'warning');
                     continue;
                 } else {
                     $u = (bool) @move_uploaded_file($_FILES['uFiles']['tmp_name'][$i], $newPath);
                 }
             }
             if (!$u) {
                 Flash::queue(__('Upload of file') . ' "' . $_FILES['uFiles']['name'][$i] . '" ' . __('failed') . ' (' . ($e ? $e : __('Check permissions')) . ')', 'warning');
             }
         }
         if ($u) {
             $this->loadStructure(true);
             Flash::queue(__('Your file(s) were uploaded'));
             return true;
         }
         if ($ue) {
             $this->loadStructure(true);
             Flash::queue(__('Your file(s) were uploaded and extracted'));
             return true;
         }
         return false;
     }
 }

 /**
  * validate実行
  *
  * @param   mixed   $attributes チェックする値
  * @param   string  $errStr     エラー文字列
  * @param   array   $params     オプション引数
  * @return  string  エラー文字列(エラーの場合)
  * @access  public
  */
 function validate($attributes, $errStr, $params)
 {
     $this->_cabinet = $attributes["cabinet"];
     $file = $attributes["file"];
     $container =& DIContainerFactory::getContainer();
     $commonMain =& $container->getComponent("commonMain");
     $this->_fileAction =& $commonMain->registerClass(WEBAPP_DIR . '/components/file/Action.class.php', "File_Action", "fileAction");
     $this->_fileView =& $commonMain->registerClass(WEBAPP_DIR . '/components/file/View.class.php', "File_View", "fileView");
     $this->_uploadsView =& $container->getComponent("uploadsView");
     $file_path = "cabinet/" . strtolower(session_id()) . timezone_date();
     if (file_exists(FILEUPLOADS_DIR . $file_path)) {
         $result = $this->_fileAction->delDir(FILEUPLOADS_DIR . $file_path);
         if ($result === false) {
             return $errStr;
         }
     }
     mkdir(FILEUPLOADS_DIR . $file_path, octdec(_UPLOAD_FOLDER_MODE));
     $request =& $container->getComponent("Request");
     $request->setParameter("file_path", $file_path);
     $result = $this->_uploadsView->getUploadById($file["upload_id"]);
     if ($result === false) {
         return $errStr;
     }
     $upload = $result[0];
     File_Archive::extract(File_Archive::read(FILEUPLOADS_DIR . $upload["file_path"] . $upload["physical_file_name"] . "/"), $dest = FILEUPLOADS_DIR . $file_path);
     $configView =& $container->getComponent("configView");
     $config = $configView->getConfigByConfname(_SYS_CONF_MODID, "allow_extension");
     if (!isset($config["conf_value"])) {
         return $errStr;
     }
     $this->_allow_extension = $config["conf_value"];
     $cabinetView =& $container->getComponent("cabinetView");
     $used_size = $cabinetView->getUsedSize();
     if ($used_size === false) {
         return $errStr;
     }
     $total_size = $used_size;
     $result = $this->_check(FILEUPLOADS_DIR . $file_path, $total_size);
     if ($result !== true) {
         $this->_fileAction->delDir(FILEUPLOADS_DIR . $file_path);
         return $result;
     }
     $decompress_size = $this->_fileView->getSize(FILEUPLOADS_DIR . $file_path);
     if ($this->_cabinet["cabinet_max_size"] != 0 && $this->_cabinet["cabinet_max_size"] < $used_size + $decompress_size) {
         $this->_fileAction->delDir(FILEUPLOADS_DIR . $file_path);
         $suffix_compresssize = $this->_fileView->formatSize($used_size + $decompress_size);
         $suffix_maxsize = $this->_fileView->formatSize($this->_cabinet["cabinet_max_size"]);
         return sprintf(CABINET_ERROR_DECOMPRESS_MAX_SIZE, $suffix_compresssize, $suffix_maxsize);
     }
     $result = $cabinetView->checkCapacitySize($decompress_size);
     if ($result !== true) {
         $this->_fileAction->delDir(FILEUPLOADS_DIR . $file_path);
         return $result;
     }
 }

 /**
  * Check if input (an array of $_FILES) are .tar or .zip files, if they
  * are then these get unpacked and returns an managed as $_FILES (returning
  * an array with the same structure $_FILES uses and move pics to /tmp)
  *
  * @access  public
  * @param   array   $files   $_FILES
  * @return  array   $_FILES format
  */
 function UnpackFiles($files)
 {
     if (!is_array($files)) {
         return array();
     }
     $cleanFiles = array();
     $tmpDir = sys_get_temp_dir();
     $counter = 1;
     require_once PEAR_PATH . 'File/Archive.php';
     foreach ($files as $key => $file) {
         if (empty($file['tmp_name'])) {
             continue;
         }
         $ext = strrchr($file['name'], '.');
         switch ($ext) {
             case '.gz':
                 $ext = '.tgz';
                 break;
             case '.bz2':
             case '.bzip2':
                 $ext = '.tbz';
                 break;
         }
         $ext = strtolower(ltrim($ext, '.'));
         if (File_Archive::isKnownExtension($ext)) {
             $tmpArchiveName = $tmpDir . DIRECTORY_SEPARATOR . $file['name'];
             if (!move_uploaded_file($file['tmp_name'], $tmpArchiveName)) {
                 continue;
             }
             $reader = File_Archive::read($tmpArchiveName);
             $source = File_Archive::readArchive($ext, $reader);
             if (!PEAR::isError($source)) {
                 while ($source->next()) {
                     $destFile = $tmpDir . DIRECTORY_SEPARATOR . basename($source->getFilename());
                     $sourceFile = $tmpArchiveName . '/' . $source->getFilename();
                     $extract = File_Archive::extract($sourceFile, $tmpDir);
                     if (PEAR::IsError($extract)) {
                         continue;
                     }
                     $cleanFiles['photo' . $counter] = array('name' => basename($source->getFilename()), 'type' => $source->getMime(), 'tmp_name' => $destFile, 'size' => @filesize($destFile), 'error' => 0);
                     $counter++;
                 }
             }
         } else {
             $cleanFiles['photo' . $counter] = $file;
             $counter++;
         }
     }
     return $cleanFiles;
 }

 /**
  * Export language
  *
  * @access  public
  * @return  void
  */
 function Export()
 {
     $lang = jaws()->request->fetch('lang', 'get');
     require_once PEAR_PATH . 'File/Archive.php';
     $tmpDir = sys_get_temp_dir();
     $tmpFileName = "{$lang}.tar";
     $tmpArchiveName = $tmpDir . DIRECTORY_SEPARATOR . $tmpFileName;
     $writerObj = File_Archive::toFiles();
     $src = File_Archive::read(JAWS_DATA . "languages/{$lang}", $lang);
     $dst = File_Archive::toArchive($tmpArchiveName, $writerObj);
     $res = File_Archive::extract($src, $dst);
     if (!PEAR::isError($res)) {
         return Jaws_Utils::Download($tmpArchiveName, $tmpFileName);
     }
     Jaws_Header::Referrer();
 }

    /**
     * ダウンロードメイン表示クラス
     *
     * @access  public
     */
    function execute()
    {
        $header = <<<EOD
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>NetCommons</title>
</head>
<body>

EOD;
        $footer = <<<EOD
</body>
</html>
EOD;
        require_once "File/Archive.php";
        $dest = File_Archive::toArchive("document.zip", File_Archive::toOutput());
        $dest->newFile("document.html");
        $download_url = "?action=" . $this->download_action . "&upload_id=";
        $count = substr_count($this->content, $download_url);
        if (!$count) {
            $dest->writeData($header . $this->content . $footer);
            $dest->close();
            exit;
        }
        $upload_id = array();
        $files = array();
        $trans = array();
        $parts = explode($download_url, $this->content);
        for ($i = 1; $i <= $count; $i++) {
            $id = substr($parts[$i], 0, strpos($parts[$i], '"'));
            if (!isset($upload_id[$id])) {
                $upload_id[$id] = true;
                list($pathname, $filename, $physical_file_name, $space_type) = $this->uploadsView->downloadCheck($id, null, 0, "common_download_main");
                if ($pathname != null) {
                    $files[] = $pathname . $physical_file_name;
                    $trans[BASE_URL . '/' . $download_url . $id] = "./" . $physical_file_name;
                    $trans[$download_url . $id] = $physical_file_name;
                }
            }
        }
        clearstatcache();
        $dest->writeData($header . strtr($this->content, $trans) . $footer);
        File_Archive::extract($files, $dest);
    }

 /**
  * _unzipFile
  *
  * @return	bool
  **/
 public function _unzipFile()
 {
     // local file name
     $downloadDirPath = realpath($this->Xupdate->params['temp_path']);
     $downloadFilePath = $this->Xupdate->params['temp_path'] . '/' . $this->target_key . '.zip';
     $exploredDirPath = realpath($downloadDirPath . '/' . $this->target_key);
     if (empty($downloadFilePath)) {
         $this->_set_error_log('getDownloadFilePath not found error in: ' . $this->_getDownloadFilePath());
         return false;
     }
     if (!chdir($exploredDirPath)) {
         $this->_set_error_log('chdir error in: ' . $exploredDirPath);
         return false;
         //chdir error
     }
     File_Archive::extract(File_Archive::read($downloadFilePath . '/'), File_Archive::appender($exploredDirPath));
     return true;
 }

 function _decompression($name, &$fileUpload)
 {
     $container =& DIContainerFactory::getContainer();
     $actionChain =& $container->getComponent("ActionChain");
     $session =& $container->getComponent("Session");
     $file_extra =& $container->getComponent("File");
     $commonMain =& $container->getComponent("commonMain");
     $fileAction =& $commonMain->registerClass(WEBAPP_DIR . '/components/file/Action.class.php', "File_Action", "fileAction");
     $action_name = $actionChain->getCurActionName();
     $pathList = explode("_", $action_name);
     $cur_sess_id = $session->getID();
     require_once "File/Archive.php";
     //
     // テンポラリーディレクトリ作成
     //
     if (!file_exists(FILEUPLOADS_DIR . $pathList[0])) {
         mkdir(FILEUPLOADS_DIR . $pathList[0], octdec(_UPLOAD_FOLDER_MODE));
     }
     $file_path = $pathList[0] . "/" . strtolower($cur_sess_id);
     if (file_exists(FILEUPLOADS_DIR . $file_path)) {
         $result = $fileAction->delDir(FILEUPLOADS_DIR . $file_path);
         if ($result === false) {
             return false;
         }
     }
     mkdir(FILEUPLOADS_DIR . $file_path, octdec(_UPLOAD_FOLDER_MODE));
     //
     // 圧縮ファイル取得
     //
     $files = $file_extra->getParameterRef($name);
     $file_name = FILEUPLOADS_DIR . $file_path . "/" . $files['name'];
     //
     // TODO:cabinetの場合、圧縮ファイルをFileクラスに登録したものを解凍しないといけないため
     // $fileUpload->moveで移動してしまうとエラーとなる。
     //
     $fileUpload->move(0, $file_name);
     //
     // 圧縮ファイル解凍
     //
     File_Archive::extract(File_Archive::read($file_name . "/"), $dest = FILEUPLOADS_DIR . $file_path);
     //
     // 圧縮ファイル削除
     //
     $fileAction->delDir($file_name);
     //
     // 解凍したファイルをアップロードファイルとしてセット
     //
     $commonMain =& $container->getComponent("commonMain");
     $uploadsAction =& $commonMain->registerClass(WEBAPP_DIR . '/components/uploads/Action.class.php', "Uploads_Action", "uploadsAction");
     $uploadsAction->setFileByPath(FILEUPLOADS_DIR . $file_path, $name);
 }

 function testMultiWriter()
 {
     $this->assertTrue(!PEAR::isError(File_Archive::extract(File_Archive::readMemory("ABCDEF", "A.txt"), File_Archive::toMulti(File_Archive::toVariable($a), File_Archive::toVariable($b)))) && $a == 'ABCDEF' && $b == 'ABCDEF');
 }

 /**
  * バックアップXMLファイル->リストア配列変換処理
  *
  * @access  public
  */
 function getRestoreArray($upload_id, $backup_page_id, $module_id, $temporary_file_path)
 {
     set_time_limit(BACKUP_TIME_LIMIT);
     // メモリ最大サイズ設定
     ini_set('memory_limit', -1);
     $errorList =& $this->_actionChain->getCurErrorList();
     //if($backup_page_id == 0 || $upload_id == 0) {
     //	// フルバックアップをリストアしようとしている
     //	$errorList->add("backup", BACKUP_FAILURE_RESTORE);
     //	return false;
     //}
     //$uploads = $this->_db->selectExecute("uploads", array("upload_id" => $upload_id, "room_id" => $backup_page_id, "module_id" => $module_id));
     $uploads = $this->_db->selectExecute("uploads", array("upload_id" => $upload_id, "module_id" => $module_id));
     if ($uploads === false || !isset($uploads[0]) || count($uploads) > 1) {
         return false;
     }
     $uploads_file_path = FILEUPLOADS_DIR . "backup/" . $uploads[0]['physical_file_name'];
     if (!file_exists($uploads_file_path)) {
         // バックアップファイルなし
         $errorList->add("backup", BACKUP_NONE_RESTORE);
         return false;
     }
     if (file_exists($temporary_file_path)) {
         // 現在、同じバックアップファイル-リストア中
         // エラーとする
         $errorList->add("backup", BACKUP_RESTORING);
         return false;
     }
     if (!mkdir($temporary_file_path, 0777)) {
         $errorList->add("backup", BACKUP_RESTORE_ERROR);
         return false;
     }
     //
     // 解凍
     //
     File_Archive::extract(File_Archive::read($uploads_file_path . "/"), File_Archive::appender($temporary_file_path));
     if (!file_exists($temporary_file_path . BACKUP_ROOM_XML_FILE_NAME)) {
         // XMLファイルなし
         $this->_fileAction->delDir($temporary_file_path);
         $errorList->add("backup", BACKUP_FAILURE_RESTORE);
         return false;
     }
     // PHP 4 > 4.3.0, PHP 5
     $xml = file_get_contents($temporary_file_path . BACKUP_ROOM_XML_FILE_NAME);
     if ($xml === false) {
         $this->_fileAction->delDir($temporary_file_path);
         $errorList->add("backup", BACKUP_RESTORE_ERROR);
         return false;
     }
     if (!file_exists($temporary_file_path . BACKUP_ROOM_XML_INI_NAME)) {
         // XML INIファイルなし
         $this->_fileAction->delDir($temporary_file_path);
         $errorList->add("backup", BACKUP_FAILURE_RESTORE);
         return false;
     }
     $xml_ini = file_get_contents($temporary_file_path . BACKUP_ROOM_XML_INI_NAME);
     if ($xml_ini === false) {
         $this->_fileAction->delDir($temporary_file_path);
         $errorList->add("backup", BACKUP_RESTORE_ERROR);
         return false;
     }
     $unserializer =& new XML_Unserializer();
     //
     // 複合化チェック
     //
     $result = $unserializer->unserialize($xml_ini);
     if ($result !== true) {
         $this->_fileAction->delDir($temporary_file_path);
         $errorList->add("backup", BACKUP_FAILURE_UNSERIALIZE);
         return false;
     }
     $data_ini = $unserializer->getUnserializedData();
     // 共有設定されているかどうか
     if ($data_ini["host_field"] == BASE_URL . INDEX_FILE_NAME) {
         // 自サイトならば、無条件でOK
         $self_flag = true;
     } else {
         $self_flag = false;
         // サイトテーブルにあり、commons_flagが立っているものを許す
         $data_ini["host_field"] = preg_replace("/" . preg_quote(INDEX_FILE_NAME, "/") . "\$/i", "", $data_ini["host_field"]);
         $where_params = array("url" => $data_ini["host_field"], "commons_flag" => _ON);
         // 有効期限がいついつの公開鍵を取得
         $other_site = $this->_db->selectExecute("sites", $where_params, null, 1);
         if ($other_site === false) {
             $this->_fileAction->delDir($temporary_file_path);
             $errorList->add("backup", BACKUP_RESTORE_ERROR);
             return false;
         }
         if (!isset($other_site[0])) {
             // 共有設定されていない
             $this->_fileAction->delDir($temporary_file_path);
             $errorList->add("backup", BACKUP_RESTORE_COMMONS_ERROR);
             return false;
         }
     }
//.........这里部分代码省略.........

 /**
  * Export Logs
  *
  * @access  public
  * @return  void
  */
 function ExportLogs()
 {
     $this->gadget->CheckPermission('ExportLogs');
     $filters = jaws()->request->fetch(array('from_date', 'to_date', 'gname', 'user', 'priority', 'status'), 'get');
     $filters['gadget'] = $filters['gname'];
     unset($filters['gname']);
     $model = $this->gadget->model->load('Logs');
     $logs = $model->GetLogs($filters);
     if (Jaws_Error::IsError($logs) || count($logs) < 1) {
         return;
     }
     $tmpDir = sys_get_temp_dir();
     $tmpCSVFileName = uniqid(rand(), true) . '.csv';
     $fp = fopen($tmpDir . DIRECTORY_SEPARATOR . $tmpCSVFileName, 'w');
     $date = Jaws_Date::getInstance();
     foreach ($logs as $log) {
         $exportData = '';
         $exportData .= $log['id'] . ',';
         $exportData .= $log['username'] . ',';
         $exportData .= $log['gadget'] . ',';
         $exportData .= $log['action'] . ',';
         $exportData .= $log['priority'] . ',';
         $exportData .= $log['apptype'] . ',';
         $exportData .= $log['backend'] . ',';
         $exportData .= long2ip($log['ip']) . ',';
         $exportData .= $log['status'] . ',';
         $exportData .= $date->Format($log['insert_time'], 'Y-m-d H:i:s');
         $exportData .= PHP_EOL;
         fwrite($fp, $exportData);
     }
     fclose($fp);
     require_once PEAR_PATH . 'File/Archive.php';
     $tmpFileName = uniqid(rand(), true) . '.tar.gz';
     $tmpArchiveName = $tmpDir . DIRECTORY_SEPARATOR . $tmpFileName;
     $writerObj = File_Archive::toFiles();
     $src = File_Archive::read($tmpDir . DIRECTORY_SEPARATOR . $tmpCSVFileName);
     $dst = File_Archive::toArchive($tmpArchiveName, $writerObj);
     $res = File_Archive::extract($src, $dst);
     if (!PEAR::isError($res)) {
         return Jaws_Utils::Download($tmpArchiveName, $tmpFileName);
     }
     Jaws_Header::Referrer();
 }

function zip_it($source, $destination)
{
    $source = realpath($source);
    if (is_readable($source) === true) {
        if (extension_loaded('zip') === true) {
            $zip = new ZipArchive();
            if ($zip->open($destination, ZIPARCHIVE::CREATE) === true) {
                $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);
                // Iterate through files & directories and add to archive object
                foreach ($files as $file) {
                    if (is_dir($file) === true) {
                        $zip->addEmptyDir(str_replace($source . '/', '', $file . '/'));
                    } else {
                        if (is_file($file) === true) {
                            $zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
                        }
                    }
                }
            } else {
                echo "Couldn't create zip file<br />";
            }
            return $zip->close();
        } else {
            $original_dir = getcwd();
            chdir($source);
            File_Archive::extract(File_Archive::read('.'), File_Archive::toArchive($destination, File_Archive::toFiles(), 'zip'));
            chdir($original_dir);
            // TODO: add filesize check?
            if (is_readable($destination)) {
                return true;
            }
        }
    } else {
        echo "Source content does not exist or is not readable<br />";
    }
    return false;
}

 /**
  * Execute action when called for explicitly by the user
  *
  * This function also contains the actions available in the interface provided, including file
  * uploading, compressed file extraction and the creation of folders.
  * @return void
  */
 function run()
 {
     global $Templates, $USER, $Controller, $ID, $CONFIG;
     /**
      * User input types
      */
     $_REQUEST->setType('action', 'string');
     $_REQUEST->setType('popup', 'string');
     $_REQUEST->setType('filter', 'string');
     if (!$this->may($USER, READ)) {
         errorPage(401);
     } else {
         if (!in_array($CMPRExtension = $CONFIG->files->compression_format, array('tar', 'gz', 'tgz', 'tbz', 'zip', 'ar', 'deb'))) {
             $CONFIG->files->compression_format = $CMPRExtension = 'zip';
         }
         $render = true;
         switch ($_REQUEST['action']) {
             // All users
             case 'download':
                 global $PREVENT_CSIZE_HEADER;
                 $PREVENT_CSIZE_HEADER = true;
                 while (ob_get_level()) {
                     echo ob_get_clean();
                 }
                 require_once "File/Archive.php";
                 File_Archive::extract($this->path, File_Archive::toArchive($this->filename . '.' . $CMPRExtension, File_Archive::toOutput()));
                 die;
             default:
                 $this->setContent("main", $this->genHTML());
                 break;
         }
         if ($render) {
             $t = 'admin';
             if ($_REQUEST['popup']) {
                 $t = 'popup';
             }
             $Templates->{$t}->render();
         }
     }
 }