271 lines
8.5 KiB
PHP
271 lines
8.5 KiB
PHP
<?php
|
|
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Michael Gapczynski
|
|
* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or any later version.
|
|
*
|
|
* This library 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 along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
class OC_Filestorage_Google {
|
|
|
|
private $datadir;
|
|
private $consumer;
|
|
private $oauth_token;
|
|
private $sig_method;
|
|
|
|
public function __construct($arguments) {
|
|
$this->datadir = $arguments['datadir'];
|
|
$consumer_key = isset($arguments['consumer_key']) ? $arguments['consumer_key'] : 'anonymous';
|
|
$consumer_secret = isset($arguments['consumer_secret']) ? $arguments['consumer_secret'] : 'anonymous';
|
|
$this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
|
|
$this->oauth_token = new OAuthToken($arguments['token'], $arguments['token_secret']);
|
|
$this->sig_method = new OAuthSignatureMethod_HMAC_SHA1();
|
|
}
|
|
|
|
private function sendRequest($feedUri, $http_method, $postData = null) {
|
|
$feedUri = trim($feedUri);
|
|
// create an associative array from each key/value url query param pair.
|
|
$params = array();
|
|
$pieces = explode('?', $feedUri);
|
|
if (isset($pieces[1])) {
|
|
$params = explode_assoc('=', '&', $pieces[1]);
|
|
}
|
|
// urlencode each url parameter key/value pair
|
|
$tempStr = $pieces[0];
|
|
foreach ($params as $key => $value) {
|
|
$tempStr .= '&' . urlencode($key) . '=' . urlencode($value);
|
|
}
|
|
$feedUri = preg_replace('/&/', '?', $tempStr, 1);
|
|
$req = OAuthRequest::from_consumer_and_token($this->consumer, $this->oauth_token, $http_method, $feedUri, $params);
|
|
$req->sign_request($this->sig_method, $this->consumer, $this->oauth_token);
|
|
$auth_header = $req->to_header();
|
|
$result = send_signed_request($http_method, $feedUri, array($auth_header, 'Content-Type: application/atom+xml', 'GData-Version: 3.0'), $postData);
|
|
// TODO Return false if error is received
|
|
if (!$result) {
|
|
return false;
|
|
}
|
|
$result = explode('<', $result, 2);
|
|
$result = isset($result[1]) ? '<'.$result[1] : $result[0];
|
|
$dom = new DOMDocument();
|
|
$dom->loadXML($result);
|
|
return $dom;
|
|
}
|
|
|
|
private function getResource($path) {
|
|
// TODO Look up google docs query caching/only send back if changes occured
|
|
// TODO Look inside of collections for specific file
|
|
// TODO Strip extension
|
|
$title = basename($path);
|
|
return $this->sendRequest('https://docs.google.com/feeds/default/private/full?showfolders=true&title='.$title.'&title-exact=true', 'GET');
|
|
}
|
|
|
|
public function mkdir($path) {
|
|
$dir = dirname($path);
|
|
// Check if path parent is root directory
|
|
if ($dir == '/' || $dir == '\.' || $dir == '.') {
|
|
$feedUri = 'https://docs.google.com/feeds/default/private/full';
|
|
// Get parent content link
|
|
} else {
|
|
$dom = $this->getResource(basename($dir));
|
|
$feedUri = $dom->getElementsByTagName('content')->item(0)->getAttribute('src');
|
|
}
|
|
$title = basename($path);
|
|
// Construct post data
|
|
$postData = '<?xml version="1.0" encoding="UTF-8"?>';
|
|
$postData .= '<entry xmlns="http://www.w3.org/2005/Atom">';
|
|
$postData .= '<category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/docs/2007#folder"/>';
|
|
$postData .= '<title>'.$title.'</title>';
|
|
$postData .= '</entry>';
|
|
if ($dom = $this->sendRequest($feedUri, 'POST', $postData)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function rmdir($path) {
|
|
return $this->unlink($path);
|
|
}
|
|
|
|
public function opendir($path) {
|
|
if ($path == '' || $path == '/') {
|
|
$resource = 'https://docs.google.com/feeds/default/private/full/folder%3Aroot/contents';
|
|
$dom = $this->sendRequest('https://docs.google.com/feeds/default/private/full/folder%3Aroot/contents', 'GET');
|
|
} else {
|
|
$dom = $this->getResource($path);
|
|
}
|
|
global $FAKEDIRS;
|
|
$files = array();
|
|
// while ($next) {
|
|
// // send request $next link
|
|
// $links = $dom->getElementsByTagName('link');
|
|
// foreach ($links as $link) {
|
|
// if ($link->getAttribute('rel') == 'next') {
|
|
// $next = $link->getAttribute('src');
|
|
// break;
|
|
// } else {
|
|
// $next = false;
|
|
// }
|
|
// }
|
|
$entries = $dom->getElementsByTagName('entry');
|
|
foreach($entries as $entry) {
|
|
$name = $entry->getElementsByTagName('title')->item(0)->nodeValue;
|
|
// Native Google resources don't include extensions in title
|
|
if (!strpos($name, '.')) {
|
|
if ($ext = $this->filetype('', $entry)) {
|
|
$name .= '.'.$ext;
|
|
}
|
|
}
|
|
$files[] = $name;
|
|
}
|
|
// }
|
|
$FAKEDIRS['google'] = $files;
|
|
return opendir('fakedir://google');
|
|
}
|
|
|
|
public function is_dir($path) {
|
|
if ($entry = $this->getResource($path)) {
|
|
$categories = $entry->getElementsByTagName('category');
|
|
foreach ($categories as $category) {
|
|
if ($category->getAttribute('scheme') == 'http://schemas.google.com/g/2005#kind') {
|
|
// Check if label is equal to folder
|
|
$type = $category->getAttribute('label');
|
|
if (strlen(strstr($type, 'folder')) > 0) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function is_file($path) {
|
|
if ($this->getResource($path)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function stat($path) {
|
|
if ($dom = $this->getResource($path)) {
|
|
// TODO Native resources don't have a file size
|
|
$stat['size'] = $dom->getElementsByTagNameNS('http://schemas.google.com/g/2005', 'quotaBytesUsed')->item(0)->nodeValue;
|
|
$stat['mtime'] = strtotime($dom->getElementsByTagName('updated')->item(1)->nodeValue);
|
|
$stat['ctime'] = strtotime($dom->getElementsByTagName('published')->item(0)->nodeValue);
|
|
return $stat;
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|
|
public function filetype($path, $entry = null) {
|
|
if ($entry == null) {
|
|
$entry = $this->getResource($path);
|
|
}
|
|
$categories = $entry->getElementsByTagName('category');
|
|
foreach ($categories as $category) {
|
|
if ($category->getAttribute('scheme') == 'http://schemas.google.com/g/2005#kind') {
|
|
// Guess extension from label, default to ODF extensions
|
|
$type = $category->getAttribute('label');
|
|
if (strlen(strstr($type, 'folder')) > 0) {
|
|
return '';
|
|
} else if (strlen(strstr($type, 'document')) > 0) {
|
|
return 'odt';
|
|
} else if (strlen(strstr($type, 'presentation')) > 0) {
|
|
return 'odp';
|
|
} else if (strlen(strstr($type, 'spreadsheet')) > 0) {
|
|
return 'ods';
|
|
} else {
|
|
return $type;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public function is_readable($path) {
|
|
return true;
|
|
}
|
|
|
|
public function is_writable($path) {
|
|
// Check if edit or edit-media links exist
|
|
if ($entry = $this->getResource($path)) {
|
|
$links = $entry->getElementsByTagName('link');
|
|
foreach ($links as $link) {
|
|
if ($link->getAttribute('rel') == 'edit') {
|
|
return true;
|
|
} else if ($link->getAttribute('rel') == 'edit-media') {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function file_exists($path) {
|
|
if ($this->getResource($path)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function unlink($path) {
|
|
// Get resource self link to trash resource
|
|
if ($entry = $this->getResource($path)) {
|
|
$links = $entry->getElementsByTagName('link');
|
|
foreach ($links as $link) {
|
|
if ($link->getAttribute('rel') == 'self') {
|
|
$feedUri = $link->getAttribute('href');
|
|
}
|
|
}
|
|
}
|
|
if (isset($feedUri)) {
|
|
$this->sendRequest($feedUri, 'DELETE');
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function rename($path1,$path2) {
|
|
|
|
}
|
|
|
|
public function fopen($path,$mode){}
|
|
|
|
public function toTmpFile($path) {
|
|
$dom = $this->getResource($path);
|
|
$url = $dom->getElementsByTagName('content')->getAttribute('src');
|
|
}
|
|
|
|
public function fromTmpFile($tmpPath,$path){}
|
|
public function fromUploadedFile($tmpPath,$path){}
|
|
public function getMimeType($path){}
|
|
public function hash($type,$path,$raw){}
|
|
|
|
public function free_space($path) {
|
|
if ($dom = $this->sendRequest('https://docs.google.com/feeds/metadata/default', 'GET')) {
|
|
$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 - $used;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function search($query){}
|
|
|
|
public function getLocalFile($path) {
|
|
return false;
|
|
}
|
|
} |