702c27b0e6
Conflicts: apps/files_external/js/settings.js apps/files_external/lib/smb.php apps/files_external/templates/settings.php lib/files/storage/common.php
606 lines
19 KiB
PHP
606 lines
19 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Michael Gapczynski
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* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OC\Files\Storage;
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require_once 'Google/common.inc.php';
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class Google extends \OC\Files\Storage\Common {
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private $consumer;
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private $oauth_token;
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private $sig_method;
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private $entries;
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private $id;
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private static $tempFiles = array();
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public function __construct($params) {
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if (isset($params['configured']) && $params['configured'] == 'true'
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&& isset($params['token'])
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&& isset($params['token_secret'])
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) {
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$consumer_key = isset($params['consumer_key']) ? $params['consumer_key'] : 'anonymous';
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$consumer_secret = isset($params['consumer_secret']) ? $params['consumer_secret'] : 'anonymous';
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$this->id = 'google::' . $params['token'];
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$this->consumer = new \OAuthConsumer($consumer_key, $consumer_secret);
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$this->oauth_token = new \OAuthToken($params['token'], $params['token_secret']);
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$this->sig_method = new \OAuthSignatureMethod_HMAC_SHA1();
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$this->entries = array();
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} else {
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throw new \Exception('Creating \OC\Files\Storage\Google storage failed');
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}
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}
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private function sendRequest($uri,
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$httpMethod,
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$postData = null,
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$extraHeaders = null,
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$isDownload = false,
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$returnHeaders = false,
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$isContentXML = true,
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$returnHTTPCode = false) {
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$uri = trim($uri);
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// create an associative array from each key/value url query param pair.
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$params = array();
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$pieces = explode('?', $uri);
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if (isset($pieces[1])) {
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$params = explode_assoc('=', '&', $pieces[1]);
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}
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// urlencode each url parameter key/value pair
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$tempStr = $pieces[0];
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foreach ($params as $key => $value) {
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$tempStr .= '&' . urlencode($key) . '=' . urlencode($value);
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}
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$uri = preg_replace('/&/', '?', $tempStr, 1);
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$request = \OAuthRequest::from_consumer_and_token($this->consumer,
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$this->oauth_token,
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$httpMethod,
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$uri,
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$params);
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$request->sign_request($this->sig_method, $this->consumer, $this->oauth_token);
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$auth_header = $request->to_header();
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$headers = array($auth_header, 'GData-Version: 3.0');
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if ($isContentXML) {
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$headers = array_merge($headers, array('Content-Type: application/atom+xml'));
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}
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if (is_array($extraHeaders)) {
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$headers = array_merge($headers, $extraHeaders);
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}
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$curl = curl_init($uri);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curl, CURLOPT_FAILONERROR, false);
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curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
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switch ($httpMethod) {
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case 'GET':
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curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
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break;
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case 'POST':
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curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
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curl_setopt($curl, CURLOPT_POST, 1);
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curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
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break;
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case 'PUT':
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$headers[] = 'If-Match: *';
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curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
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curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $httpMethod);
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curl_setopt($curl, CURLOPT_POSTFIELDS, $postData);
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break;
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case 'DELETE':
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$headers[] = 'If-Match: *';
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curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
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curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $httpMethod);
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break;
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default:
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curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
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}
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if ($isDownload) {
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$tmpFile = \OC_Helper::tmpFile();
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$handle = fopen($tmpFile, 'w');
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curl_setopt($curl, CURLOPT_FILE, $handle);
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}
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if ($returnHeaders) {
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curl_setopt($curl, CURLOPT_HEADER, true);
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}
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$result = curl_exec($curl);
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$httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
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curl_close($curl);
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if ($result) {
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// TODO https://developers.google.com/google-apps/documents-list/#handling_api_errors
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// TODO Log error messages
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if ($httpCode <= 308) {
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if ($isDownload) {
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return $tmpFile;
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} else if ($returnHTTPCode) {
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return array('result' => $result, 'code' => $httpCode);
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} else {
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return $result;
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}
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}
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}
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return false;
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}
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private function getFeed($feedUri, $httpMethod, $postData = null) {
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$result = $this->sendRequest($feedUri, $httpMethod, $postData);
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if ($result) {
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$dom = new \DOMDocument();
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$dom->loadXML($result);
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return $dom;
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}
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return false;
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}
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/**
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* Base url for google docs feeds
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*/
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const BASE_URI='https://docs.google.com/feeds';
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private function getResource($path) {
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$file = basename($path);
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if (array_key_exists($file, $this->entries)) {
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return $this->entries[$file];
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} else {
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// Strip the file extension; file could be a native Google Docs resource
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if ($pos = strpos($file, '.')) {
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$title = substr($file, 0, $pos);
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$dom = $this->getFeed(self::BASE_URI.'/default/private/full?showfolders=true&title='.$title, 'GET');
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// Check if request was successful and entry exists
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if ($dom && $entry = $dom->getElementsByTagName('entry')->item(0)) {
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$this->entries[$file] = $entry;
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return $entry;
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}
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}
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$dom = $this->getFeed(self::BASE_URI.'/default/private/full?showfolders=true&title='.$file, 'GET');
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// Check if request was successful and entry exists
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if ($dom && $entry = $dom->getElementsByTagName('entry')->item(0)) {
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$this->entries[$file] = $entry;
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return $entry;
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}
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return false;
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}
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}
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private function getExtension($entry) {
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$mimetype = $this->getMimeType('', $entry);
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switch ($mimetype) {
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case 'httpd/unix-directory':
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return '';
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case 'application/vnd.oasis.opendocument.text':
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return 'odt';
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case 'application/vnd.oasis.opendocument.spreadsheet':
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return 'ods';
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case 'application/vnd.oasis.opendocument.presentation':
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return 'pptx';
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case 'text/html':
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return 'html';
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default:
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return 'html';
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}
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}
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public function getId(){
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return $this->id;
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}
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public function mkdir($path) {
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$collection = dirname($path);
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// Check if path parent is root directory
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if ($collection == '/' || $collection == '\.' || $collection == '.') {
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$uri = self::BASE_URI.'/default/private/full';
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} else {
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// Get parent content link
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$dom = $this->getResource(basename($collection));
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if ($dom) {
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$uri = $dom->getElementsByTagName('content')->item(0)->getAttribute('src');
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}
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}
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if (isset($uri)) {
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$title = basename($path);
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// Construct post data
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$postData = '<?xml version="1.0" encoding="UTF-8"?>';
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$postData .= '<entry xmlns="http://www.w3.org/2005/Atom">';
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$postData .= '<category scheme="http://schemas.google.com/g/2005#kind"';
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$postData .= ' term="http://schemas.google.com/docs/2007#folder"/>';
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$postData .= '<title>'.$title.'</title>';
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$postData .= '</entry>';
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$dom = $this->sendRequest($uri, 'POST', $postData);
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if ($dom) {
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return true;
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}
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}
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return false;
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}
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public function rmdir($path) {
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return $this->unlink($path);
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}
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public function opendir($path) {
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if ($path == '' || $path == '/') {
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$next = self::BASE_URI.'/default/private/full/folder%3Aroot/contents';
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} else {
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$entry = $this->getResource($path);
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if ($entry) {
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$next = $entry->getElementsByTagName('content')->item(0)->getAttribute('src');
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} else {
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return false;
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}
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}
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$files = array();
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while ($next) {
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$dom = $this->getFeed($next, 'GET');
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$links = $dom->getElementsByTagName('link');
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foreach ($links as $link) {
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if ($link->getAttribute('rel') == 'next') {
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$next = $link->getAttribute('src');
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break;
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} else {
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$next = false;
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}
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}
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$entries = $dom->getElementsByTagName('entry');
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foreach ($entries as $entry) {
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$name = $entry->getElementsByTagName('title')->item(0)->nodeValue;
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// Google Docs resources don't always include extensions in title
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if ( ! strpos($name, '.')) {
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$extension = $this->getExtension($entry);
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if ($extension != '') {
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$name .= '.'.$extension;
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}
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}
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$files[] = basename($name);
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// Cache entry for future use
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$this->entries[$name] = $entry;
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}
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}
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\OC\Files\Stream\Dir::register('google'.$path, $files);
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return opendir('fakedir://google'.$path);
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}
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public function stat($path) {
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if ($path == '' || $path == '/') {
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$stat['size'] = $this->free_space($path);
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$stat['atime'] = time();
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$stat['mtime'] = time();
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$stat['ctime'] = time();
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} else {
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$entry = $this->getResource($path);
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if ($entry) {
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// NOTE: Native resources don't have a file size
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$stat['size'] = $entry->getElementsByTagNameNS('http://schemas.google.com/g/2005',
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'quotaBytesUsed')->item(0)->nodeValue;
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//if (isset($atime = $entry->getElementsByTagNameNS('http://schemas.google.com/g/2005',
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// 'lastViewed')->item(0)->nodeValue))
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//$stat['atime'] = strtotime($entry->getElementsByTagNameNS('http://schemas.google.com/g/2005',
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// 'lastViewed')->item(0)->nodeValue);
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$stat['mtime'] = strtotime($entry->getElementsByTagName('updated')->item(0)->nodeValue);
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}
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}
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if (isset($stat)) {
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return $stat;
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}
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return false;
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}
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public function filetype($path) {
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if ($path == '' || $path == '/') {
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return 'dir';
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} else {
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$entry = $this->getResource($path);
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if ($entry) {
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$categories = $entry->getElementsByTagName('category');
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foreach ($categories as $category) {
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if ($category->getAttribute('scheme') == 'http://schemas.google.com/g/2005#kind') {
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$type = $category->getAttribute('label');
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if (strlen(strstr($type, 'folder')) > 0) {
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return 'dir';
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} else {
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return 'file';
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}
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}
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}
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}
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}
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return false;
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}
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public function isReadable($path) {
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return true;
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}
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public function isUpdatable($path) {
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if ($path == '' || $path == '/') {
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return true;
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} else {
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$entry = $this->getResource($path);
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if ($entry) {
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// Check if edit or edit-media links exist
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$links = $entry->getElementsByTagName('link');
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foreach ($links as $link) {
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if ($link->getAttribute('rel') == 'edit') {
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return true;
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} else if ($link->getAttribute('rel') == 'edit-media') {
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return true;
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}
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}
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}
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}
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return false;
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}
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public function file_exists($path) {
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if ($path == '' || $path == '/') {
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return true;
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} else if ($this->getResource($path)) {
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return true;
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}
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return false;
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}
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public function unlink($path) {
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// Get resource self link to trash resource
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$entry = $this->getResource($path);
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if ($entry) {
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$links = $entry->getElementsByTagName('link');
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foreach ($links as $link) {
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if ($link->getAttribute('rel') == 'self') {
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$uri = $link->getAttribute('href');
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break;
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}
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}
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}
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if (isset($uri)) {
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$this->sendRequest($uri, 'DELETE');
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return true;
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}
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return false;
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}
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public function rename($path1, $path2) {
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$entry = $this->getResource($path1);
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if ($entry) {
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$collection = dirname($path2);
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if (dirname($path1) == $collection) {
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// Get resource edit link to rename resource
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$etag = $entry->getAttribute('gd:etag');
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$links = $entry->getElementsByTagName('link');
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foreach ($links as $link) {
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if ($link->getAttribute('rel') == 'edit') {
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$uri = $link->getAttribute('href');
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break;
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}
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}
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$title = basename($path2);
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// Construct post data
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$postData = '<?xml version="1.0" encoding="UTF-8"?>';
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$postData .= '<entry xmlns="http://www.w3.org/2005/Atom"';
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$postData .= ' xmlns:docs="http://schemas.google.com/docs/2007"';
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$postData .= ' xmlns:gd="http://schemas.google.com/g/2005"';
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$postData .= ' gd:etag='.$etag.'>';
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$postData .= '<title>'.$title.'</title>';
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$postData .= '</entry>';
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$this->sendRequest($uri, 'PUT', $postData);
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return true;
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} else {
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// Move to different collection
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$collectionEntry = $this->getResource($collection);
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if ($collectionEntry) {
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$feedUri = $collectionEntry->getElementsByTagName('content')->item(0)->getAttribute('src');
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// Construct post data
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$postData = '<?xml version="1.0" encoding="UTF-8"?>';
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$postData .= '<entry xmlns="http://www.w3.org/2005/Atom">';
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$postData .= '<id>'.$entry->getElementsByTagName('id')->item(0).'</id>';
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$postData .= '</entry>';
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$this->sendRequest($feedUri, 'POST', $postData);
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return true;
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}
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}
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}
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return false;
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}
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public function fopen($path, $mode) {
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switch ($mode) {
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case 'r':
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case 'rb':
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$entry = $this->getResource($path);
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if ($entry) {
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$extension = $this->getExtension($entry);
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$downloadUri = $entry->getElementsByTagName('content')->item(0)->getAttribute('src');
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// TODO Non-native documents don't need these additional parameters
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$downloadUri .= '&exportFormat='.$extension.'&format='.$extension;
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$tmpFile = $this->sendRequest($downloadUri, 'GET', null, null, true);
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return fopen($tmpFile, 'r');
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}
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case 'w':
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case 'wb':
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case 'a':
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case 'ab':
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case 'r+':
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case 'w+':
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case 'wb+':
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case 'a+':
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case 'x':
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case 'x+':
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case 'c':
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case 'c+':
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if (strrpos($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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$tmpFile = \OC_Helper::tmpFile($ext);
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\OC\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
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if ($this->file_exists($path)) {
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$source = $this->fopen($path, 'r');
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file_put_contents($tmpFile, $source);
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}
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self::$tempFiles[$tmpFile] = $path;
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return fopen('close://'.$tmpFile, $mode);
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}
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return false;
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}
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public function writeBack($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($tmpFile);
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}
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}
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private function uploadFile($path, $target) {
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$entry = $this->getResource($target);
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if ( ! $entry) {
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if (dirname($target) == '.' || dirname($target) == '/') {
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$uploadUri = self::BASE_URI.'/upload/create-session/default/private/full/folder%3Aroot/contents';
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} else {
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$entry = $this->getResource(dirname($target));
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}
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}
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if ( ! isset($uploadUri) && $entry) {
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$links = $entry->getElementsByTagName('link');
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foreach ($links as $link) {
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if ($link->getAttribute('rel') == 'http://schemas.google.com/g/2005#resumable-create-media') {
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$uploadUri = $link->getAttribute('href');
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break;
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}
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}
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}
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if (isset($uploadUri) && $handle = fopen($path, 'r')) {
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$uploadUri .= '?convert=false';
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$mimetype = \OC_Helper::getMimeType($path);
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$size = filesize($path);
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$headers = array('X-Upload-Content-Type: ' => $mimetype, 'X-Upload-Content-Length: ' => $size);
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$postData = '<?xml version="1.0" encoding="UTF-8"?>';
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$postData .= '<entry xmlns="http://www.w3.org/2005/Atom" xmlns:docs="http://schemas.google.com/docs/2007">';
|
|
$postData .= '<title>'.basename($target).'</title>';
|
|
$postData .= '</entry>';
|
|
$result = $this->sendRequest($uploadUri, 'POST', $postData, $headers, false, true);
|
|
if ($result) {
|
|
// Get location to upload file
|
|
if (preg_match('@^Location: (.*)$@m', $result, $matches)) {
|
|
$uploadUri = trim($matches[1]);
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
// 512 kB chunks
|
|
$chunkSize = 524288;
|
|
$i = 0;
|
|
while (!feof($handle)) {
|
|
if ($i + $chunkSize > $size) {
|
|
if ($i == 0) {
|
|
$chunkSize = $size;
|
|
} else {
|
|
$chunkSize = $size % $i;
|
|
}
|
|
}
|
|
$end = $i + $chunkSize - 1;
|
|
$headers = array('Content-Length: '.$chunkSize,
|
|
'Content-Type: '.$mimetype,
|
|
'Content-Range: bytes '.$i.'-'.$end.'/'.$size);
|
|
$postData = fread($handle, $chunkSize);
|
|
$result = $this->sendRequest($uploadUri, 'PUT', $postData, $headers, false, true, false, true);
|
|
if ($result['code'] == '308') {
|
|
if (preg_match('@^Location: (.*)$@m', $result['result'], $matches)) {
|
|
// Get next location to upload file chunk
|
|
$uploadUri = trim($matches[1]);
|
|
}
|
|
$i += $chunkSize;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
// TODO Wait for resource entry
|
|
}
|
|
}
|
|
|
|
public function getMimeType($path, $entry = null) {
|
|
// Entry can be passed, because extension is required for opendir
|
|
// and the entry can't be cached without the extension
|
|
if ($entry == null) {
|
|
if ($path == '' || $path == '/') {
|
|
return 'httpd/unix-directory';
|
|
} else {
|
|
$entry = $this->getResource($path);
|
|
}
|
|
}
|
|
if ($entry) {
|
|
$mimetype = $entry->getElementsByTagName('content')->item(0)->getAttribute('type');
|
|
// Native Google Docs resources often default to text/html,
|
|
// but it may be more useful to default to a corresponding ODF mimetype
|
|
// Collections get reported as application/atom+xml,
|
|
// make sure it actually is a folder and fix the mimetype
|
|
if ($mimetype == 'text/html' || $mimetype == 'application/atom+xml;type=feed') {
|
|
$categories = $entry->getElementsByTagName('category');
|
|
foreach ($categories as $category) {
|
|
if ($category->getAttribute('scheme') == 'http://schemas.google.com/g/2005#kind') {
|
|
$type = $category->getAttribute('label');
|
|
if (strlen(strstr($type, 'folder')) > 0) {
|
|
return 'httpd/unix-directory';
|
|
} else if (strlen(strstr($type, 'document')) > 0) {
|
|
return 'application/vnd.oasis.opendocument.text';
|
|
} else if (strlen(strstr($type, 'spreadsheet')) > 0) {
|
|
return 'application/vnd.oasis.opendocument.spreadsheet';
|
|
} else if (strlen(strstr($type, 'presentation')) > 0) {
|
|
return 'application/vnd.oasis.opendocument.presentation';
|
|
} else if (strlen(strstr($type, 'drawing')) > 0) {
|
|
return 'application/vnd.oasis.opendocument.graphics';
|
|
} else {
|
|
// If nothing matches return text/html,
|
|
// all native Google Docs resources can be exported as text/html
|
|
return 'text/html';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $mimetype;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function free_space($path) {
|
|
$dom = $this->getFeed(self::BASE_URI.'/metadata/default', 'GET');
|
|
if ($dom) {
|
|
// NOTE: Native Google Docs resources don't count towards quota
|
|
$total = $dom->getElementsByTagNameNS('http://schemas.google.com/g/2005',
|
|
'quotaBytesTotal')->item(0)->nodeValue;
|
|
$used = $dom->getElementsByTagNameNS('http://schemas.google.com/g/2005',
|
|
'quotaBytesUsed')->item(0)->nodeValue;
|
|
return $total - $used;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function touch($path, $mtime = null) {
|
|
|
|
}
|
|
|
|
public function test() {
|
|
if ($this->free_space('')) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
}
|