server/apps/files_external/lib/dropbox.php
Philipp Kapfer 730bca98b4 Moved dependency checks to end of class files
Dependency messages now appear below the configuration options instead of above
Reworked dependency check method to support consolidated messages for multiple backends

Conflicts:
	apps/files_external/lib/google.php
	apps/files_external/lib/swift.php
	apps/files_external/templates/settings.php
2014-04-03 16:46:22 +02:00

325 lines
8.5 KiB
PHP
Executable file

<?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/>.
*/
namespace OC\Files\Storage;
require_once __DIR__ . '/../3rdparty/Dropbox/autoload.php';
class Dropbox extends \OC\Files\Storage\Common {
private $dropbox;
private $root;
private $id;
private $metaData = array();
private static $tempFiles = array();
public function __construct($params) {
if (isset($params['configured']) && $params['configured'] == 'true'
&& isset($params['app_key'])
&& isset($params['app_secret'])
&& isset($params['token'])
&& isset($params['token_secret'])
) {
$this->root = isset($params['root']) ? $params['root'] : '';
$this->id = 'dropbox::'.$params['app_key'] . $params['token']. '/' . $this->root;
$oauth = new \Dropbox_OAuth_Curl($params['app_key'], $params['app_secret']);
$oauth->setToken($params['token'], $params['token_secret']);
$this->dropbox = new \Dropbox_API($oauth, 'dropbox');
} else {
throw new \Exception('Creating \OC\Files\Storage\Dropbox storage failed');
}
}
/**
* @param string $path
*/
private function deleteMetaData($path) {
$path = $this->root.$path;
if (isset($this->metaData[$path])) {
unset($this->metaData[$path]);
return true;
}
return false;
}
/**
* @brief Returns the path's metadata
* @param string $path path for which to return the metadata
* @param $list if true, also return the directory's contents
* @return directory contents if $list is true, file metadata if $list is
* false, null if the file doesn't exist or "false" if the operation failed
*/
private function getMetaData($path, $list = false) {
$path = $this->root.$path;
if ( ! $list && isset($this->metaData[$path])) {
return $this->metaData[$path];
} else {
if ($list) {
try {
$response = $this->dropbox->getMetaData($path);
} catch (\Exception $exception) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
$contents = array();
if ($response && isset($response['contents'])) {
// Cache folder's contents
foreach ($response['contents'] as $file) {
if (!isset($file['is_deleted']) || !$file['is_deleted']) {
$this->metaData[$path.'/'.basename($file['path'])] = $file;
$contents[] = $file;
}
}
unset($response['contents']);
}
if (!isset($response['is_deleted']) || !$response['is_deleted']) {
$this->metaData[$path] = $response;
}
// Return contents of folder only
return $contents;
} else {
try {
$response = $this->dropbox->getMetaData($path, 'false');
if (!isset($response['is_deleted']) || !$response['is_deleted']) {
$this->metaData[$path] = $response;
return $response;
}
return null;
} catch (\Exception $exception) {
if ($exception instanceof \Dropbox_Exception_NotFound) {
// don't log, might be a file_exist check
return false;
}
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
}
}
}
public function getId(){
return $this->id;
}
public function mkdir($path) {
$path = $this->root.$path;
try {
$this->dropbox->createFolder($path);
return true;
} catch (\Exception $exception) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
}
public function rmdir($path) {
return $this->unlink($path);
}
public function opendir($path) {
$contents = $this->getMetaData($path, true);
if ($contents !== false) {
$files = array();
foreach ($contents as $file) {
$files[] = basename($file['path']);
}
\OC\Files\Stream\Dir::register('dropbox'.$path, $files);
return opendir('fakedir://dropbox'.$path);
}
return false;
}
public function stat($path) {
$metaData = $this->getMetaData($path);
if ($metaData) {
$stat['size'] = $metaData['bytes'];
$stat['atime'] = time();
$stat['mtime'] = (isset($metaData['modified'])) ? strtotime($metaData['modified']) : time();
return $stat;
}
return false;
}
public function filetype($path) {
if ($path == '' || $path == '/') {
return 'dir';
} else {
$metaData = $this->getMetaData($path);
if ($metaData) {
if ($metaData['is_dir'] == 'true') {
return 'dir';
} else {
return 'file';
}
}
}
return false;
}
public function file_exists($path) {
if ($path == '' || $path == '/') {
return true;
}
if ($this->getMetaData($path)) {
return true;
}
return false;
}
public function unlink($path) {
try {
$this->dropbox->delete($this->root.$path);
$this->deleteMetaData($path);
return true;
} catch (\Exception $exception) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
}
public function rename($path1, $path2) {
try {
// overwrite if target file exists and is not a directory
$destMetaData = $this->getMetaData($path2);
if (isset($destMetaData) && $destMetaData !== false && !$destMetaData['is_dir']) {
$this->unlink($path2);
}
$this->dropbox->move($this->root.$path1, $this->root.$path2);
$this->deleteMetaData($path1);
return true;
} catch (\Exception $exception) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
}
public function copy($path1, $path2) {
$path1 = $this->root.$path1;
$path2 = $this->root.$path2;
try {
$this->dropbox->copy($path1, $path2);
return true;
} catch (\Exception $exception) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
}
public function fopen($path, $mode) {
$path = $this->root.$path;
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) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
case 'w':
case 'wb':
case 'a':
case 'ab':
case 'r+':
case 'w+':
case 'wb+':
case 'a+':
case 'x':
case 'x+':
case 'c':
case 'c+':
if (strrpos($path, '.') !== false) {
$ext = substr($path, strrpos($path, '.'));
} else {
$ext = '';
}
$tmpFile = \OC_Helper::tmpFile($ext);
\OC\Files\Stream\Close::registerCallback($tmpFile, array($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 {
$this->dropbox->putFile(self::$tempFiles[$tmpFile], $handle);
unlink($tmpFile);
} catch (\Exception $exception) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
}
}
}
public function getMimeType($path) {
if ($this->filetype($path) == 'dir') {
return 'httpd/unix-directory';
} else {
$metaData = $this->getMetaData($path);
if ($metaData) {
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) {
\OCP\Util::writeLog('files_external', $exception->getMessage(), \OCP\Util::ERROR);
return false;
}
}
public function touch($path, $mtime = null) {
if ($this->file_exists($path)) {
return false;
} else {
$this->file_put_contents($path, '');
}
return true;
}
/**
* check if curl is installed
*/
public static function checkDependencies() {
if (function_exists('curl_init')) {
return true;
} else {
return array('curl');
}
}
}