302 lines
7.9 KiB
PHP
302 lines
7.9 KiB
PHP
<?php
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/**
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* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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class OC_FileStorage_DAV extends OC_Filestorage_Common{
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private $password;
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private $user;
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private $host;
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private $secure;
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private $root;
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/**
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* @var Sabre_DAV_Client
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*/
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private $client;
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private static $tempFiles=array();
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public function __construct($params) {
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$host = $params['host'];
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//remove leading http[s], will be generated in createBaseUri()
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if (substr($host, 0, 8) == "https://") $host = substr($host, 8);
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else if (substr($host, 0, 7) == "http://") $host = substr($host, 7);
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$this->host=$host;
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$this->user=$params['user'];
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$this->password=$params['password'];
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$this->secure=(isset($params['secure']) && $params['secure'] == 'true')?true:false;
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$this->root=isset($params['root'])?$params['root']:'/';
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if(!$this->root || $this->root[0]!='/') {
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$this->root='/'.$this->root;
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}
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if(substr($this->root, -1, 1)!='/') {
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$this->root.='/';
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}
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$settings = array(
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'baseUri' => $this->createBaseUri(),
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'userName' => $this->user,
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'password' => $this->password,
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);
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$this->client = new OC_Connector_Sabre_Client($settings);
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if($caview = \OCP\Files::getStorage('files_external')) {
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$certPath=\OCP\Config::getSystemValue('datadirectory').$caview->getAbsolutePath("").'rootcerts.crt';
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if (file_exists($certPath)) {
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$this->client->addTrustedCertificates($certPath);
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}
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}
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//create the root folder if necesary
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$this->mkdir('');
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}
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private function createBaseUri() {
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$baseUri='http';
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if($this->secure) {
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$baseUri.='s';
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}
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$baseUri.='://'.$this->host.$this->root;
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return $baseUri;
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}
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public function mkdir($path) {
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$path=$this->cleanPath($path);
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return $this->simpleResponse('MKCOL', $path, null, 201);
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}
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public function rmdir($path) {
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$path=$this->cleanPath($path);
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return $this->simpleResponse('DELETE', $path, null, 204);
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}
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public function opendir($path) {
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$path=$this->cleanPath($path);
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try{
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$response=$this->client->propfind($path, array(), 1);
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$id=md5('webdav'.$this->root.$path);
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OC_FakeDirStream::$dirs[$id]=array();
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$files=array_keys($response);
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array_shift($files);//the first entry is the current directory
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foreach($files as $file) {
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$file = urldecode(basename($file));
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OC_FakeDirStream::$dirs[$id][]=$file;
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}
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return opendir('fakedir://'.$id);
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}catch(Exception $e) {
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return false;
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}
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}
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public function filetype($path) {
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$path=$this->cleanPath($path);
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try{
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$response=$this->client->propfind($path, array('{DAV:}resourcetype'));
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$responseType=$response["{DAV:}resourcetype"]->resourceType;
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return (count($responseType)>0 and $responseType[0]=="{DAV:}collection")?'dir':'file';
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}catch(Exception $e) {
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error_log($e->getMessage());
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\OCP\Util::writeLog("webdav client", \OCP\Util::sanitizeHTML($e->getMessage()), \OCP\Util::ERROR);
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return false;
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}
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}
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public function isReadable($path) {
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return true;//not properly supported
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}
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public function isUpdatable($path) {
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return true;//not properly supported
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}
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public function file_exists($path) {
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$path=$this->cleanPath($path);
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try{
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$this->client->propfind($path, array('{DAV:}resourcetype'));
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return true;//no 404 exception
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}catch(Exception $e) {
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return false;
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}
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}
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public function unlink($path) {
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return $this->simpleResponse('DELETE', $path, null, 204);
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}
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public function fopen($path, $mode) {
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$path=$this->cleanPath($path);
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switch($mode) {
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case 'r':
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case 'rb':
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if(!$this->file_exists($path)) {
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return false;
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}
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//straight up curl instead of sabredav here, sabredav put's the entire get result in memory
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$curl = curl_init();
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$fp = fopen('php://temp', 'r+');
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curl_setopt($curl, CURLOPT_USERPWD, $this->user.':'.$this->password);
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curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().$path);
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curl_setopt($curl, CURLOPT_FILE, $fp);
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curl_exec ($curl);
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curl_close ($curl);
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rewind($fp);
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return $fp;
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case 'w':
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case 'wb':
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case 'a':
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case 'ab':
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case 'r+':
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case 'w+':
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case 'wb+':
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case 'a+':
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case 'x':
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case 'x+':
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case 'c':
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case 'c+':
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//emulate these
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if(strrpos($path, '.')!==false) {
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$ext=substr($path, strrpos($path, '.'));
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}else{
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$ext='';
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}
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$tmpFile=OCP\Files::tmpFile($ext);
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OC_CloseStreamWrapper::$callBacks[$tmpFile]=array($this, 'writeBack');
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if($this->file_exists($path)) {
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$this->getFile($path, $tmpFile);
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}
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self::$tempFiles[$tmpFile]=$path;
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return fopen('close://'.$tmpFile, $mode);
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}
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}
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public function writeBack($tmpFile) {
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if(isset(self::$tempFiles[$tmpFile])) {
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$this->uploadFile($tmpFile, self::$tempFiles[$tmpFile]);
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unlink($tmpFile);
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}
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}
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public function free_space($path) {
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$path=$this->cleanPath($path);
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try{
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$response=$this->client->propfind($path, array('{DAV:}quota-available-bytes'));
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if(isset($response['{DAV:}quota-available-bytes'])) {
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return (int)$response['{DAV:}quota-available-bytes'];
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}else{
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return 0;
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}
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}catch(Exception $e) {
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return 0;
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}
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}
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public function touch($path, $mtime=null) {
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if(is_null($mtime)) {
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$mtime=time();
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}
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$path=$this->cleanPath($path);
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$this->client->proppatch($path, array('{DAV:}lastmodified' => $mtime));
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}
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public function getFile($path, $target) {
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$source=$this->fopen($path, 'r');
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file_put_contents($target, $source);
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}
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public function uploadFile($path, $target) {
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$source=fopen($path, 'r');
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_USERPWD, $this->user.':'.$this->password);
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curl_setopt($curl, CURLOPT_URL, $this->createBaseUri().$target);
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curl_setopt($curl, CURLOPT_BINARYTRANSFER, true);
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curl_setopt($curl, CURLOPT_INFILE, $source); // file pointer
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curl_setopt($curl, CURLOPT_INFILESIZE, filesize($path));
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curl_setopt($curl, CURLOPT_PUT, true);
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curl_exec ($curl);
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curl_close ($curl);
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}
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public function rename($path1, $path2) {
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$path1=$this->cleanPath($path1);
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$path2=$this->root.$this->cleanPath($path2);
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try{
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$response=$this->client->request('MOVE', $path1, null, array('Destination'=>$path2));
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return true;
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}catch(Exception $e) {
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echo $e;
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echo 'fail';
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var_dump($response);
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return false;
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}
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}
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public function copy($path1, $path2) {
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$path1=$this->cleanPath($path1);
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$path2=$this->root.$this->cleanPath($path2);
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try{
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$response=$this->client->request('COPY', $path1, null, array('Destination'=>$path2));
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return true;
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}catch(Exception $e) {
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echo $e;
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echo 'fail';
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var_dump($response);
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return false;
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}
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}
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public function stat($path) {
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$path=$this->cleanPath($path);
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try{
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$response=$this->client->propfind($path, array('{DAV:}getlastmodified', '{DAV:}getcontentlength'));
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return array(
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'mtime'=>strtotime($response['{DAV:}getlastmodified']),
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'size'=>(int)isset($response['{DAV:}getcontentlength']) ? $response['{DAV:}getcontentlength'] : 0,
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'ctime'=>-1,
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);
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}catch(Exception $e) {
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return array();
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}
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}
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public function getMimeType($path) {
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$path=$this->cleanPath($path);
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try{
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$response=$this->client->propfind($path, array('{DAV:}getcontenttype', '{DAV:}resourcetype'));
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$responseType=$response["{DAV:}resourcetype"]->resourceType;
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$type=(count($responseType)>0 and $responseType[0]=="{DAV:}collection")?'dir':'file';
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if($type=='dir') {
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return 'httpd/unix-directory';
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}elseif(isset($response['{DAV:}getcontenttype'])) {
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return $response['{DAV:}getcontenttype'];
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}else{
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return false;
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}
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}catch(Exception $e) {
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return false;
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}
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}
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private function cleanPath($path) {
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if(!$path || $path[0]=='/') {
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return substr($path, 1);
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}else{
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return $path;
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}
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}
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private function simpleResponse($method, $path, $body, $expected) {
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$path=$this->cleanPath($path);
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try{
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$response=$this->client->request($method, $path, $body);
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return $response['statusCode']==$expected;
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}catch(Exception $e) {
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return false;
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}
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}
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}
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