Move Lib\Storage to PSR-4

1 files changed, 155 insertions, 0 deletions

diff --git a/apps/files_external/lib/Lib/Storage/FTP.php b/apps/files_external/lib/Lib/Storage/FTP.php
new file mode 100644
index 00000000000..051c1873009
--- /dev/null
+++ b/apps/files_external/lib/Lib/Storage/FTP.php
@@ -0,0 +1,155 @@
+<?php
+/**
+ * @author Bart Visscher <bartv@thisnet.nl>
+ * @author Felix Moeller <mail@felixmoeller.de>
+ * @author Jörn Friedrich Dreyer <jfd@butonic.de>
+ * @author Michael Gapczynski <GapczynskiM@gmail.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Philipp Kapfer <philipp.kapfer@gmx.at>
+ * @author Robin Appelman <icewind@owncloud.com>
+ * @author Robin McCorkell <robin@mccorkell.me.uk>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Vincent Petry <pvince81@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 OCA\Files_External\Lib\Storage;
+
+use Icewind\Streams\RetryWrapper;
+
+class FTP extends StreamWrapper{
+	private $password;
+	private $user;
+	private $host;
+	private $secure;
+	private $root;
+
+	private static $tempFiles=array();
+
+	public function __construct($params) {
+		if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
+			$this->host=$params['host'];
+			$this->user=$params['user'];
+			$this->password=$params['password'];
+			if (isset($params['secure'])) {
+				$this->secure = $params['secure'];
+			} else {
+				$this->secure = false;
+			}
+			$this->root=isset($params['root'])?$params['root']:'/';
+			if ( ! $this->root || $this->root[0]!='/') {
+				$this->root='/'.$this->root;
+			}
+			if (substr($this->root, -1) !== '/') {
+				$this->root .= '/';
+			}
+		} else {
+			throw new \Exception('Creating FTP storage failed');
+		}
+		
+	}
+
+	public function getId(){
+		return 'ftp::' . $this->user . '@' . $this->host . '/' . $this->root;
+	}
+
+	/**
+	 * construct the ftp url
+	 * @param string $path
+	 * @return string
+	 */
+	public function constructUrl($path) {
+		$url='ftp';
+		if ($this->secure) {
+			$url.='s';
+		}
+		$url.='://'.urlencode($this->user).':'.urlencode($this->password).'@'.$this->host.$this->root.$path;
+		return $url;
+	}
+
+	/**
+	 * Unlinks file or directory
+	 * @param string $path
+	 */
+	public function unlink($path) {
+		if ($this->is_dir($path)) {
+			return $this->rmdir($path);
+		}
+		else {
+			$url = $this->constructUrl($path);
+			$result = unlink($url);
+			clearstatcache(true, $url);
+			return $result;
+		}
+	}
+	public function fopen($path,$mode) {
+		switch($mode) {
+			case 'r':
+			case 'rb':
+			case 'w':
+			case 'wb':
+			case 'a':
+			case 'ab':
+				//these are supported by the wrapper
+				$context = stream_context_create(array('ftp' => array('overwrite' => true)));
+				$handle = fopen($this->constructUrl($path), $mode, false, $context);
+				return RetryWrapper::wrap($handle);
+			case 'r+':
+			case 'w+':
+			case 'wb+':
+			case 'a+':
+			case 'x':
+			case 'x+':
+			case 'c':
+			case 'c+':
+				//emulate these
+				if (strrpos($path, '.')!==false) {
+					$ext=substr($path, strrpos($path, '.'));
+				} else {
+					$ext='';
+				}
+				$tmpFile=\OCP\Files::tmpFile($ext);
+				\OC\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
+				if ($this->file_exists($path)) {
+					$this->getFile($path, $tmpFile);
+				}
+				self::$tempFiles[$tmpFile]=$path;
+				return fopen('close://'.$tmpFile, $mode);
+		}
+		return false;
+	}
+
+	public function writeBack($tmpFile) {
+		if (isset(self::$tempFiles[$tmpFile])) {
+			$this->uploadFile($tmpFile, self::$tempFiles[$tmpFile]);
+			unlink($tmpFile);
+		}
+	}
+
+	/**
+	 * check if php-ftp is installed
+	 */
+	public static function checkDependencies() {
+		if (function_exists('ftp_login')) {
+			return(true);
+		} else {
+			return array('ftp');
+		}
+	}
+
+}