Introduce streamer

1 files changed, 87 insertions, 0 deletions

diff --git a/lib/private/streamer.php b/lib/private/streamer.php
new file mode 100644
index 00000000000..7377f31f37b
--- /dev/null
+++ b/lib/private/streamer.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, 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/>
+ *
+ */
+
+use \ZipStreamer\ZipStreamer;
+use DeepDiver1975\TarStreamer\TarStreamer;
+
+class OC_Streamer {
+
+	private $streamerInstance;
+	private $extension;
+	
+	public function __construct(){
+		if (0) {
+			$this->streamerInstance = new ZipStreamer();
+		} else {
+			$this->streamerInstance = new TarStreamer();
+		}
+	}
+	
+	public function sendHeaders($name){
+		$extension = $this->streamerInstance instanceof ZipStreamer ? '.zip' : '.tar';
+		return $this->streamerInstance->sendHeaders($name . $extension);
+	}
+	
+	/**
+	 * @param string $dir
+	 * @param string $internalDir
+	 */
+	public function addDirRecoursive($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');
+				$this->streamerInstance->addFileFromStream($fh, $internalDir . $filename, $filesize);
+				fclose($fh);
+			}elseif(\OC\Files\Filesystem::is_dir($file)) {
+				$this->addDirRecoursive($file, $internalDir);
+			}
+		}
+	}
+	
+	public function addFileFromStream($fd, $internalName, $size){
+		if ($this->streamerInstance instanceof ZipStreamer) {
+			return $this->streamerInstance->addFileFromStream($fd, $internalName);
+		} else {
+			return $this->streamerInstance->addFileFromStream($fd, $internalName, $size);
+		}
+	}
+	
+	public function addEmptyDir($dirName){
+		return $this->streamerInstance->addEmptyDir($dirName);
+	}
+	
+	public function finalize(){
+		return $this->streamerInstance->finalize();
+	}
+}