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<?php
/**
* @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Richdocuments\Controller;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\OCS\OCSNotFoundException;
use OCP\AppFramework\OCSController;
use OCA\Richdocuments\Db\WopiMapper;
use OCP\AppFramework\Http\DataResponse;
use OCP\IConfig;
use OCP\ILogger;
use OCP\IRequest;
use OCP\IURLGenerator;
use OCP\IUserManager;
class FederationController extends OCSController {
/** @var IConfig */
private $config;
/** @var ILogger */
private $logger;
/** @var WopiMapper */
private $wopiMapper;
/** @var IUserManager */
private $userManager;
/** @var IURLGenerator */
private $urlGenerator;
public function __construct(
string $appName,
IRequest $request,
IConfig $config,
ILogger $logger,
WopiMapper $wopiMapper,
IUserManager $userManager,
IURLGenerator $urlGenerator
) {
parent::__construct($appName, $request);
$this->config = $config;
$this->logger = $logger;
$this->wopiMapper = $wopiMapper;
$this->userManager = $userManager;
$this->urlGenerator = $urlGenerator;
}
/**
* @PublicPage
* @NoCSRFRequired
* @OCSRoute GET /api/v1/federation
*/
public function index(): DataResponse {
$response = new DataResponse([
'wopi_url' => $this->config->getAppValue('richdocuments', 'wopi_url')
]);
$response->setHeaders(['X-Frame-Options' => 'ALLOW']);
return $response;
}
/**
* @PublicPage
* @NoCSRFRequired
* @OCSRoute POST /api/v1/federation
*
* Check the file info of a remote accessing a file
*
* this is used to make sure we respect reshares of federated shares with the
* applied permissions and also have information about the actual editor
*
* @param $token
* @return DataResponse
* @throws DoesNotExistException
*/
public function remoteWopiToken($token): DataResponse {
try {
$initiatorWopi = $this->wopiMapper->getWopiForToken($token);
if (empty($initiatorWopi->getEditorUid()) && !empty($initiatorWopi->getRemoteServer()) && !empty($initiatorWopi->getRemoteServerToken())) {
$client = \OC::$server->getHTTPClientService()->newClient();
$response = $client->post(
rtrim($initiatorWopi->getRemoteServer(), '/') . '/ocs/v2.php/apps/richdocuments/api/v1/federation/user?format=json',
[ 'body' => [ 'token' => $initiatorWopi->getRemoteServerToken() ], 'timeout' => 10 ]
);
$initiatorUser = \json_decode($response->getBody(), true)['ocs']['data'];
$initiatorWopi->setGuestDisplayname($initiatorUser['displayName']);
} else {
$user = $this->userManager->get($initiatorWopi->getEditorUid());
if($user !== null) {
$initiatorWopi->setGuestDisplayname($user->getDisplayName());
}
}
$this->logger->debug('COOL-Federation-Initiator: Token ' . $token . ' returned');
return new DataResponse($initiatorWopi);
} catch (DoesNotExistException $e) {
$this->logger->debug('COOL-Federation-Initiator: Token ' . $token . 'not found');
throw new OCSNotFoundException();
}
}
/**
* @PublicPage
* @NoCSRFRequired
* @OCSRoute POST /api/v1/federation/user
*
* Return user details for a initiator user that will be used by remote instances
* to provide Collabora with the users avatar/displayname for guests on share links
* if the session was created through a direct link of a public share
*
* @param $token
* @return DataResponse
* @throws DoesNotExistException
*/
public function initiatorUser($token): DataResponse {
try {
$wopi = $this->wopiMapper->getWopiForToken($token);
$user = $this->userManager->get($wopi->getEditorUid());
if($user !== null) {
$wopi->setGuestDisplayname($user->getDisplayName());
}
$this->logger->debug('COOL-Federation-Initiator-User: Token ' . $token . ' returned');
return new DataResponse([
'userId' => $user->getUID(),
'displayName' => $user->getDisplayName(),
'avatar' => $this->urlGenerator->linkToRouteAbsolute('core.avatar.getAvatar', ['userId' => $wopi->getEditorUid(), 'size' => WopiController::WOPI_AVATAR_SIZE])
]);
} catch (DoesNotExistException $e) {
$this->logger->debug('COOL-Federation-Initiator-User: Token ' . $token . 'not found');
throw new OCSNotFoundException();
}
}
}
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