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authorRoeland Jago Douma <rullzer@owncloud.com>2016-04-29 15:08:01 +0200
committerRoeland Jago Douma <rullzer@owncloud.com>2016-04-29 15:08:01 +0200
commitf52c5b31b6b92bc83e224413f4a8ae4ba7d11993 (patch)
tree09654a6d35089eab4b7b0deeda72cee522ae304f /lib/private/Streamer.php
parent66ebc2ee6fe09e1e8419f4b399cd2c7c155d533e (diff)
downloadnextcloud-server-f52c5b31b6b92bc83e224413f4a8ae4ba7d11993.tar.gz
nextcloud-server-f52c5b31b6b92bc83e224413f4a8ae4ba7d11993.zip
Move more from \OC to PSR-4
* \OC\OCSClient * \OC\Preview * \OC\PreviewManager * \OC\Repair * \OC\RepairException * \OC\Search * \OC\ServerContainer * \OC\ServerNotAvailableException * \OC\ServiceUnavailableException * \OC\Setup * \OC\Streamer * \OC\SubAdmin * \OC\SystemConfig * \OC\TagManager * \OC\Tags * \OC\TempManager * \OC\TemplateLayout * \OC\URLGenerator * \OC\Updater
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+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC;
+
+use ownCloud\TarStreamer\TarStreamer;
+use ZipStreamer\ZipStreamer;
+
+class Streamer {
+ // array of regexp. Matching user agents will get tar instead of zip
+ private $preferTarFor = [ '/macintosh|mac os x/i' ];
+
+ // streamer instance
+ private $streamerInstance;
+
+ public function __construct(){
+ /** @var \OCP\IRequest */
+ $request = \OC::$server->getRequest();
+
+ if ($request->isUserAgent($this->preferTarFor)) {
+ $this->streamerInstance = new TarStreamer();
+ } else {
+ $this->streamerInstance = new ZipStreamer(['zip64' => PHP_INT_SIZE !== 4]);
+ }
+ }
+
+ /**
+ * Send HTTP headers
+ * @param string $name
+ */
+ public function sendHeaders($name){
+ $extension = $this->streamerInstance instanceof ZipStreamer ? '.zip' : '.tar';
+ $fullName = $name . $extension;
+ $this->streamerInstance->sendHeaders($fullName);
+ }
+
+ /**
+ * Stream directory recursively
+ * @param string $dir
+ * @param string $internalDir
+ */
+ public function addDirRecursive($dir, $internalDir='') {
+ $dirname = basename($dir);
+ $rootDir = $internalDir . $dirname;
+ if (!empty($rootDir)) {
+ $this->streamerInstance->addEmptyDir($rootDir);
+ }
+ $internalDir .= $dirname . '/';
+ // prevent absolute dirs
+ $internalDir = ltrim($internalDir, '/');
+
+ $files= \OC\Files\Filesystem::getDirectoryContent($dir);
+ foreach($files as $file) {
+ $filename = $file['name'];
+ $file = $dir . '/' . $filename;
+ if(\OC\Files\Filesystem::is_file($file)) {
+ $filesize = \OC\Files\Filesystem::filesize($file);
+ $fh = \OC\Files\Filesystem::fopen($file, 'r');
+ $this->addFileFromStream($fh, $internalDir . $filename, $filesize);
+ fclose($fh);
+ }elseif(\OC\Files\Filesystem::is_dir($file)) {
+ $this->addDirRecursive($file, $internalDir);
+ }
+ }
+ }
+
+ /**
+ * Add a file to the archive at the specified location and file name.
+ *
+ * @param string $stream Stream to read data from
+ * @param string $internalName Filepath and name to be used in the archive.
+ * @param int $size Filesize
+ * @return bool $success
+ */
+ public function addFileFromStream($stream, $internalName, $size){
+ if ($this->streamerInstance instanceof ZipStreamer) {
+ return $this->streamerInstance->addFileFromStream($stream, $internalName);
+ } else {
+ return $this->streamerInstance->addFileFromStream($stream, $internalName, $size);
+ }
+ }
+
+ /**
+ * Add an empty directory entry to the archive.
+ *
+ * @param string $dirName Directory Path and name to be added to the archive.
+ * @return bool $success
+ */
+ public function addEmptyDir($dirName){
+ return $this->streamerInstance->addEmptyDir($dirName);
+ }
+
+ /**
+ * Close the archive.
+ * A closed archive can no longer have new files added to it. After
+ * closing, the file is completely written to the output stream.
+ * @return bool $success
+ */
+ public function finalize(){
+ return $this->streamerInstance->finalize();
+ }
+}