116 lines
3.2 KiB
PHP
116 lines
3.2 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Georg Ehrke <georg@owncloud.com>
|
|
*
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program 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, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\DAV\CardDAV;
|
|
|
|
use OCP\Files\NotFoundException;
|
|
use OCP\ILogger;
|
|
use Sabre\CardDAV\Card;
|
|
use Sabre\DAV\Server;
|
|
use Sabre\DAV\ServerPlugin;
|
|
use Sabre\HTTP\RequestInterface;
|
|
use Sabre\HTTP\ResponseInterface;
|
|
|
|
class ImageExportPlugin extends ServerPlugin {
|
|
|
|
/** @var Server */
|
|
protected $server;
|
|
/** @var PhotoCache */
|
|
private $cache;
|
|
|
|
/**
|
|
* ImageExportPlugin constructor.
|
|
*
|
|
* @param PhotoCache $cache
|
|
*/
|
|
public function __construct(PhotoCache $cache) {
|
|
$this->cache = $cache;
|
|
}
|
|
|
|
/**
|
|
* Initializes the plugin and registers event handlers
|
|
*
|
|
* @param Server $server
|
|
* @return void
|
|
*/
|
|
public function initialize(Server $server) {
|
|
$this->server = $server;
|
|
$this->server->on('method:GET', [$this, 'httpGet'], 90);
|
|
}
|
|
|
|
/**
|
|
* Intercepts GET requests on addressbook urls ending with ?photo.
|
|
*
|
|
* @param RequestInterface $request
|
|
* @param ResponseInterface $response
|
|
* @return bool
|
|
*/
|
|
public function httpGet(RequestInterface $request, ResponseInterface $response) {
|
|
|
|
$queryParams = $request->getQueryParameters();
|
|
// TODO: in addition to photo we should also add logo some point in time
|
|
if (!array_key_exists('photo', $queryParams)) {
|
|
return true;
|
|
}
|
|
|
|
$size = isset($queryParams['size']) ? (int)$queryParams['size'] : -1;
|
|
|
|
$path = $request->getPath();
|
|
$node = $this->server->tree->getNodeForPath($path);
|
|
|
|
if (!($node instanceof Card)) {
|
|
return true;
|
|
}
|
|
|
|
$this->server->transactionType = 'carddav-image-export';
|
|
|
|
// Checking ACL, if available.
|
|
if ($aclPlugin = $this->server->getPlugin('acl')) {
|
|
/** @var \Sabre\DAVACL\Plugin $aclPlugin */
|
|
$aclPlugin->checkPrivileges($path, '{DAV:}read');
|
|
}
|
|
|
|
// Fetch addressbook
|
|
$addressbookpath = explode('/', $path);
|
|
array_pop($addressbookpath);
|
|
$addressbookpath = implode('/', $addressbookpath);
|
|
/** @var AddressBook $addressbook */
|
|
$addressbook = $this->server->tree->getNodeForPath($addressbookpath);
|
|
|
|
$response->setHeader('Cache-Control', 'private, max-age=3600, must-revalidate');
|
|
$response->setHeader('Etag', $node->getETag() );
|
|
$response->setHeader('Pragma', 'public');
|
|
|
|
try {
|
|
$file = $this->cache->get($addressbook->getResourceId(), $node->getName(), $size, $node);
|
|
$response->setHeader('Content-Type', $file->getMimeType());
|
|
$response->setHeader('Content-Disposition', 'attachment');
|
|
$response->setStatus(200);
|
|
|
|
$response->setBody($file->getContent());
|
|
} catch (NotFoundException $e) {
|
|
$response->setStatus(404);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|