initial integration with iRODS www.irods.org

The used PHP API is hosted at https://code.renci.org/gf/project/irodsphp/

apps/files_external/appinfo/app.php

@@ -15,6 +15,7 @@ OC::$CLASSPATH['OC\Files\Storage\SMB'] = 'files_external/lib/smb.php';
 OC::$CLASSPATH['OC\Files\Storage\AmazonS3'] = 'files_external/lib/amazons3.php';
 OC::$CLASSPATH['OC\Files\Storage\Dropbox'] = 'files_external/lib/dropbox.php';
 OC::$CLASSPATH['OC\Files\Storage\SFTP'] = 'files_external/lib/sftp.php';
+OC::$CLASSPATH['OC\Files\Storage\iRODS'] = 'files_external/lib/irods.php';
 OC::$CLASSPATH['OC_Mount_Config'] = 'files_external/lib/config.php';
 
 OCP\App::registerAdmin('files_external', 'settings');

apps/files_external/lib/config.php

@@ -113,6 +113,15 @@ class OC_Mount_Config {
 				'password' => '*Password',
 				'root' => '&Root'));
 
+		$backends['\OC\Files\Storage\iRODS']=array(
+			'backend' => 'iRODS',
+			'configuration' => array(
+				'host' => 'Host',
+				'port' => 'Port',
+				'user' => 'Username',
+				'password' => '*Password',
+				'zone' => 'Zone'));
+
 		return($backends);
 	}
 

apps/files_external/lib/irods.php

@@ -0,0 +1,104 @@
+<?php
+/**
+ * Copyright (c) 2013 Thomas Müller <thomas.mueller@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Files\Storage;
+
+set_include_path(get_include_path() . PATH_SEPARATOR .
+	\OC_App::getAppPath('files_external') . '/3rdparty/irodsphp/prods/src');
+
+require_once 'ProdsStreamer.class.php';
+
+class iRODS extends \OC\Files\Storage\StreamWrapper{
+	private $password;
+	private $user;
+	private $host;
+	private $port;
+	private $zone;
+	private $root;
+
+	public function __construct($params) {
+		if (isset($params['host']) && isset($params['user']) && isset($params['password'])) {
+			$this->host=$params['host'];
+			$this->port=$params['port'];
+			$this->user=$params['user'];
+			$this->password=$params['password'];
+			$this->zone=$params['zone'];
+
+			$this->root=isset($params['root'])?$params['root']:'/';
+			if ( ! $this->root || $this->root[0]!='/') {
+				$this->root='/'.$this->root;
+			}
+			//create the root folder if necessary
+			if ( ! $this->is_dir('')) {
+				$this->mkdir('');
+			}
+		} else {
+			throw new \Exception();
+		}
+		
+	}
+
+	public function getId(){
+		return 'irods::' . $this->user . '@' . $this->host . '/' . $this->root;
+	}
+
+	/**
+	 * construct the ftp url
+	 * @param string $path
+	 * @return string
+	 */
+	public function constructUrl($path) {
+		$userWithZone = $this->user.'.'.$this->zone;
+		return 'rods://'.$userWithZone.':'.$this->password.'@'.$this->host.':'.$this->port.$this->root.$path;
+	}
+
+//	public function fopen($path,$mode) {
+//		$this->init();
+//		switch($mode) {
+//			case 'r':
+//			case 'rb':
+//			case 'w':
+//			case 'wb':
+//			case 'a':
+//			case 'ab':
+//				//these are supported by the wrapper
+//				$context = stream_context_create(array('ftp' => array('overwrite' => true)));
+//				return fopen($this->constructUrl($path), $mode, false, $context);
+//			case 'r+':
+//			case 'w+':
+//			case 'wb+':
+//			case 'a+':
+//			case 'x':
+//			case 'x+':
+//			case 'c':
+//			case 'c+':
+//				//emulate these
+//				if (strrpos($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) {
+//		$this->init();
+//		if (isset(self::$tempFiles[$tmpFile])) {
+//			$this->uploadFile($tmpFile, self::$tempFiles[$tmpFile]);
+//			unlink($tmpFile);
+//		}
+//	}
+}

apps/files_external/lib/streamwrapper.php

@@ -82,6 +82,8 @@ abstract class StreamWrapper extends \OC\Files\Storage\Common{
 			$fh = $this->fopen($path, 'a');
 			fwrite($fh, '');
 			fclose($fh);
+
+			return true;
 		} else {
 			return false;//not supported
 		}