webdav storage backend

apps/files_remote/appinfo/app.php

@@ -7,3 +7,4 @@
  */
 
 OC::$CLASSPATH['OC_Filestorage_FTP']='apps/files_remote/lib/ftp.php';
+OC::$CLASSPATH['OC_Filestorage_DAV']='apps/files_remote/lib/webdav.php';

apps/files_remote/lib/webdav.php

@@ -0,0 +1,293 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+class OC_FileStorage_DAV extends OC_Filestorage_Common{
+	private $password;
+	private $user;
+	private $host;
+	private $secure;
+	private $root;
+	/**
+	 * @var Sabre_DAV_Client
+	 */
+	private $client;
+
+	private static $tempFiles=array();
+	
+	public function __construct($params){
+		$this->host=$params['host'];
+		$this->user=$params['user'];
+		$this->password=$params['password'];
+		$this->secure=isset($params['secure'])?(bool)$params['secure']:false;
+		$this->root=isset($params['root'])?$params['root']:'/';
+		if(substr($this->root,0,1)!='/'){
+			$this->root='/'.$this->root;
+		}
+		if(substr($this->root,-1,1)!='/'){
+			$this->root.='/';
+		}
+		
+		$settings = array(
+			'baseUri' => $this->createBaseUri(),
+			'userName' => $this->user,
+			'password' => $this->password,
+		);
+		$this->client = new Sabre_DAV_Client($settings);
+
+		//create the root folder if necesary
+		$this->mkdir('');
+	}
+
+	private function createBaseUri(){
+		$baseUri='http';
+		if($this->secure){
+			$baseUri.'s';
+		}
+		$baseUri.='://'.$this->host.$this->root;
+		return $baseUri;
+	}
+
+	public function mkdir($path){
+		$path=$this->cleanPath($path);
+		return $this->simpleResponse('MKCOL',$path,null,201);
+	}
+
+	public function rmdir($path){
+		$path=$this->cleanPath($path);
+		return $this->simpleResponse('DELETE',$path,null,204);
+	}
+
+	public function opendir($path){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->propfind($path, array(),1);
+			$stripLength=strlen($this->root)+strlen($path);
+			$id=md5('webdav'.$this->root.$path);
+			OC_FakeDirStream::$dirs[$id]=array();
+			foreach($response as $file=>$data){
+				//strip root and path
+				$file=trim(substr($file,$stripLength));
+				$file=trim($file,'/');
+				if($file){
+					OC_FakeDirStream::$dirs[$id][]=$file;
+				}
+			}
+			return opendir('fakedir://'.$id);
+		}catch(Exception $e){
+			return false;
+		}
+	}
+
+	public function filetype($path){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->propfind($path, array('{DAV:}resourcetype'));
+			$responseType=$response["{DAV:}resourcetype"]->resourceType;
+			return (count($responseType)>0 and $responseType[0]=="{DAV:}collection")?'dir':'file';
+		}catch(Exception $e){
+			return false;
+		}
+	}
+
+	public function is_readable($path){
+		return true;//not properly supported
+	}
+
+	public function is_writable($path){
+		return true;//not properly supported
+	}
+
+	public function file_exists($path){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->propfind($path, array('{DAV:}resourcetype'));
+			return true;//no 404 exception
+		}catch(Exception $e){
+			return false;
+		}
+	}
+
+	public function unlink($path){
+		return $this->simpleResponse('DELETE',$path,null,204);
+	}
+
+	public function fopen($path,$mode){
+		$path=$this->cleanPath($path);
+		switch($mode){
+			case 'r':
+			case 'rb':
+				//straight up curl instead of sabredav here, sabredav put's the entire get result in memory
+				$curl = curl_init();
+				$fp = fopen('php://temp', 'r+');
+				curl_setopt($curl,CURLOPT_USERPWD,$this->user.':'.$this->password);
+				curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().$path);
+				curl_setopt($curl, CURLOPT_FILE, $fp);
+
+				curl_exec ($curl);
+				curl_close ($curl);
+				rewind($fp);
+				return $fp;
+			case 'w':
+			case 'wb':
+			case 'a':
+			case 'ab':
+			case 'r+':
+			case 'w+':
+			case 'wb+':
+			case 'a+':
+			case 'x':
+			case 'x+':
+			case 'c':
+			case 'c+':
+				//emulate these
+				if(strrpos($path,'.')!==false){
+					$ext=substr($path,strrpos($path,'.'));
+				}else{
+					$ext='';
+				}
+				$tmpFile=OC_Helper::tmpFile($ext);
+				OC_CloseStreamWrapper::$callBacks[$tmpFile]=array($this,'writeBack');
+				if($this->file_exists($path)){
+					$this->getFile($path,$tmpFile);
+				}
+				self::$tempFiles[$tmpFile]=$path;
+				return fopen('close://'.$tmpFile,$mode);
+		}
+	}
+
+	public function writeBack($tmpFile){
+		if(isset(self::$tempFiles[$tmpFile])){
+			$this->uploadFile($tmpFile,self::$tempFiles[$tmpFile]);
+			unlink($tmpFile);
+		}
+	}
+
+	public function free_space($path){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->propfind($path, array('{DAV:}quota-available-bytes'));
+			if(isset($response['{DAV:}quota-available-bytes'])){
+				return (int)$response['{DAV:}quota-available-bytes'];
+			}else{
+				return 0;
+			}
+		}catch(Exception $e){
+			return 0;
+		}
+	}
+
+	public function touch($path,$mtime=null){
+		if(is_null($mtime)){
+			$mtime=time();
+		}
+		$path=$this->cleanPath($path);
+		$this->client->proppatch($path, array('{DAV:}lastmodified' => $mtime,));
+	}
+
+	public function getFile($path,$target){
+		$source=$this->fopen($path,'r');
+		file_put_contents($target,$source);
+	}
+
+	public function uploadFile($path,$target){
+		$source=fopen($path,'r');
+
+		$curl = curl_init();
+		curl_setopt($curl,CURLOPT_USERPWD,$this->user.':'.$this->password);
+		curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().$target);
+		curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
+		curl_setopt($curl, CURLOPT_INFILE, $source); // file pointer
+		curl_setopt($curl, CURLOPT_INFILESIZE, filesize($path));
+		curl_setopt($curl, CURLOPT_PUT, true);
+		curl_exec ($curl);
+		curl_close ($curl);
+	}
+
+	public function rename($path1,$path2){
+		$path1=$this->cleanPath($path1);
+		$path2=$this->root.$this->cleanPath($path2);
+		try{
+			$response=$this->client->request('MOVE',$path1,null,array('Destination'=>$path2));
+			return true;
+		}catch(Exception $e){
+			echo $e;
+			echo 'fail';
+			var_dump($response);
+			return false;
+		}
+	}
+
+	public function copy($path1,$path2){
+		$path1=$this->cleanPath($path1);
+		$path2=$this->root.$this->cleanPath($path2);
+		try{
+			$response=$this->client->request('COPY',$path1,null,array('Destination'=>$path2));
+			return true;
+		}catch(Exception $e){
+			echo $e;
+			echo 'fail';
+			var_dump($response);
+			return false;
+		}
+	}
+
+	public function stat($path){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->propfind($path, array('{DAV:}getlastmodified','{DAV:}getcontentlength'));
+			if(isset($response['{DAV:}getlastmodified']) and isset($response['{DAV:}getcontentlength'])){
+				return array(
+					'mtime'=>strtotime($response['{DAV:}getlastmodified']),
+					'size'=>(int)$response['{DAV:}getcontentlength'],
+					'ctime'=>-1,
+				);
+			}else{
+				return array();
+			}
+		}catch(Exception $e){
+			return array();
+		}
+	}
+
+	public function getMimeType($path){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->propfind($path, array('{DAV:}getcontenttype','{DAV:}resourcetype'));
+			$responseType=$response["{DAV:}resourcetype"]->resourceType;
+			$type=(count($responseType)>0 and $responseType[0]=="{DAV:}collection")?'dir':'file';
+			if($type=='dir'){
+				return 'httpd/unix-directory';
+			}elseif(isset($response['{DAV:}getcontenttype'])){
+				return $response['{DAV:}getcontenttype'];
+			}else{
+				return false;
+			}
+		}catch(Exception $e){
+			return false;
+		}
+	}
+
+	private function cleanPath($path){
+		if(substr($path,0,1)=='/'){
+			return substr($path,1);
+		}else{
+			return $path;
+		}
+	}
+
+	private function simpleResponse($method,$path,$body,$expected){
+		$path=$this->cleanPath($path);
+		try{
+			$response=$this->client->request($method,$path,$body);
+			return $response['statusCode']==$expected;
+		}catch(Exception $e){
+			return false;
+		}
+	}
+}
+

apps/files_remote/tests/config.php

@@ -5,5 +5,11 @@ return array(
 		'user'=>'test',
 		'password'=>'test',
 		'root'=>'/test',
-	)
+	),
+	'webdav'=>array(
+		'host'=>'localhost',
+		'user'=>'test',
+		'password'=>'test',
+		'root'=>'/owncloud/files/webdav.php',
+	),
 );

apps/files_remote/tests/ftp.php

@@ -7,9 +7,6 @@
  */
 
 class Test_Filestorage_FTP extends Test_FileStorage {
-	/**
-	 * @var string tmpDir
-	 */
 	private $config;
 	private $id;
 
@@ -24,5 +21,3 @@ class Test_Filestorage_FTP extends Test_FileStorage {
 		OC_Helper::rmdirr($this->instance->constructUrl(''));
 	}
 }
-
-?>

apps/files_remote/tests/webdav.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+class Test_Filestorage_DAV extends Test_FileStorage {
+	private $config;
+	private $id;
+
+	public function setUp(){
+		$id=uniqid();
+		$this->config=include('apps/files_remote/tests/config.php');
+		$this->config['webdav']['root'].='/'.$id;//make sure we have an new empty folder to work in
+		$this->instance=new OC_Filestorage_DAV($this->config['webdav']);
+	}
+
+	public function tearDown(){
+		$this->instance->rmdir('/');
+	}
+}