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<?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/>.
*/
require_once 'Dropbox/autoload.php';
class OC_Filestorage_Dropbox extends OC_Filestorage_Common {
private $dropbox;
private $metaData = array();
private static $tempFiles = array();
public function __construct($params) {
$oauth = new Dropbox_OAuth_Curl($params['app_key'], $params['app_secret']);
$oauth->setToken($params['token'], $params['token_secret']);
$this->dropbox = new Dropbox_API($oauth, 'dropbox');
}
private function getMetaData($path, $list = false) {
if (!$list && isset($this->metaData[$path])) {
return $this->metaData[$path];
} else {
if ($list) {
try {
$response = $this->dropbox->getMetaData($path);
} catch (Exception $exception) {
return false;
}
if ($response && isset($response['contents'])) {
$contents = $response['contents'];
// Cache folder's contents
foreach ($contents as $file) {
$this->metaData[$path.'/'.basename($file['path'])] = $file;
}
unset($response['contents']);
$this->metaData[$path] = $response;
}
$this->metaData[$path] = $response;
// Return contents of folder only
return $contents;
} else {
try {
$response = $this->dropbox->getMetaData($path, 'false');
$this->metaData[$path] = $response;
return $response;
} catch (Exception $exception) {
return false;
}
}
}
}
public function mkdir($path) {
try {
$this->dropbox->createFolder($path);
return true;
} catch (Exception $exception) {
return false;
}
}
public function rmdir($path) {
return $this->unlink($path);
}
public function opendir($path) {
if ($contents = $this->getMetaData($path, true)) {
$files = array();
foreach ($contents as $file) {
$files[] = basename($file['path']);
}
OC_FakeDirStream::$dirs['dropbox'.$path] = $files;
return opendir('fakedir://dropbox'.$path);
}
return false;
}
public function stat($path) {
if ($metaData = $this->getMetaData($path)) {
$stat['size'] = $metaData['bytes'];
$stat['atime'] = time();
$stat['mtime'] = (isset($metaData['modified'])) ? strtotime($metaData['modified']) : time();
$stat['ctime'] = $stat['mtime'];
return $stat;
}
return false;
}
public function filetype($path) {
if ($path == '' || $path == '/') {
return 'dir';
} else if ($metaData = $this->getMetaData($path)) {
if ($metaData['is_dir'] == 'true') {
return 'dir';
} else {
return 'file';
}
}
return false;
}
public function is_readable($path) {
return $this->file_exists($path);
}
public function is_writable($path) {
return $this->file_exists($path);
}
public function file_exists($path) {
if ($path == '' || $path == '/') {
return true;
}
if ($this->getMetaData($path)) {
return true;
}
return false;
}
public function unlink($path) {
try {
$this->dropbox->delete($path);
return true;
} catch (Exception $exception) {
return false;
}
}
public function rename($path1, $path2) {
try {
$this->dropbox->move($path1, $path2);
return true;
} catch (Exception $exception) {
return false;
}
}
public function copy($path1, $path2) {
try {
$this->dropbox->copy($path1, $path2);
return true;
} catch (Exception $exception) {
return false;
}
}
public function fopen($path, $mode) {
switch ($mode) {
case 'r':
case 'rb':
$tmpFile = OC_Helper::tmpFile();
try {
$data = $this->dropbox->getFile($path);
file_put_contents($tmpFile, $data);
return fopen($tmpFile, 'r');
} catch (Exception $exception) {
return false;
}
case 'w':
case 'wb':
case 'a':
case 'ab':
case 'r+':
case 'w+':
case 'wb+':
case 'a+':
case 'x':
case 'x+':
case 'c':
case 'c+':
if (strrpos($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)) {
$source = $this->fopen($path, 'r');
file_put_contents($tmpFile, $source);
}
self::$tempFiles[$tmpFile] = $path;
return fopen('close://'.$tmpFile, $mode);
}
return false;
}
public function writeBack($tmpFile) {
if (isset(self::$tempFiles[$tmpFile])) {
$handle = fopen($tmpFile, 'r');
try {
$response = $this->dropbox->putFile(self::$tempFiles[$tmpFile], $handle);
unlink($tmpFile);
} catch (Exception $exception) {
}
}
}
public function getMimeType($path) {
if ($this->filetype($path) == 'dir') {
return 'httpd/unix-directory';
} else if ($metaData = $this->getMetaData($path)) {
return $metaData['mime_type'];
}
return false;
}
public function free_space($path) {
try {
$info = $this->dropbox->getAccountInfo();
return $info['quota_info']['quota'] - $info['quota_info']['normal'];
} catch (Exception $exception) {
return false;
}
}
public function touch($path, $mtime = null) {
return false;
}
}
?>
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