diff options
Diffstat (limited to 'lib/WOPI/DiscoveryManager.php')
-rw-r--r-- | lib/WOPI/DiscoveryManager.php | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/lib/WOPI/DiscoveryManager.php b/lib/WOPI/DiscoveryManager.php new file mode 100644 index 00000000..39326c17 --- /dev/null +++ b/lib/WOPI/DiscoveryManager.php @@ -0,0 +1,117 @@ +<?php +/** + * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch> + * + * @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\WOPI; + +use OCP\AppFramework\Utility\ITimeFactory; +use OCP\Files\IAppData; +use OCP\Files\NotFoundException; +use OCP\Files\SimpleFS\ISimpleFolder; +use OCP\Http\Client\IClientService; +use OCP\IConfig; +use OCP\IL10N; +use OCP\Notification\IApp; + +class DiscoveryManager { + /** @var IClientService */ + private $clientService; + /** @var ISimpleFolder */ + private $appData; + /** @var IConfig */ + private $config; + /** @var IL10N */ + private $l10n; + /** @var ITimeFactory */ + private $timeFactory; + + /** + * @param IClientService $clientService + * @param IAppData $appData + * @param IConfig $config + * @param IL10N $l10n + * @param ITimeFactory $timeFactory + */ + public function __construct(IClientService $clientService, + IAppData $appData, + IConfig $config, + IL10N $l10n, + ITimeFactory $timeFactory) { + $this->clientService = $clientService; + try { + $this->appData = $appData->getFolder('richdocuments'); + } catch (NotFoundException $e) { + $this->appData = $appData->newFolder('richdocuments'); + } + $this->config = $config; + $this->l10n = $l10n; + $this->timeFactory = $timeFactory; + } + + public function get() { + // First check if there is a local valid discovery file + try { + $file = $this->appData->getFile('discovery.xml'); + $decodedFile = json_decode($file->getContent(), true); + if($decodedFile['timestamp'] + 3600 > $this->timeFactory->getTime()) { + return $decodedFile['data']; + } + } catch (NotFoundException $e) { + $file = $this->appData->newFile('discovery.xml'); + } + + $remoteHost = $this->config->getAppValue('richdocuments', 'wopi_url'); + $wopiDiscovery = $remoteHost . '/hosting/discovery'; + + $client = $this->clientService->newClient(); + try { + $response = $client->get($wopiDiscovery); + } catch (\Exception $e) { + $error_message = $e->getMessage(); + if (preg_match('/^cURL error ([0-9]*):/', $error_message, $matches)) { + $admin_check = $this->l10n->t('Please ask your administrator to check the Collabora Online server setting. The exact error message was: ') . $error_message; + + $curl_error = $matches[1]; + switch ($curl_error) { + case '1': + throw new ResponseException($this->l10n->t('Collabora Online: The protocol specified in "%s" is not allowed.', array($wopiRemote)), $admin_check); + case '3': + throw new ResponseException($this->l10n->t('Collabora Online: Malformed URL "%s".', array($wopiRemote)), $admin_check); + case '6': + throw new ResponseException($this->l10n->t('Collabora Online: Cannot resolve the host "%s".', array($wopiRemote)), $admin_check); + case '7': + throw new ResponseException($this->l10n->t('Collabora Online: Cannot connect to the host "%s".', array($wopiRemote)), $admin_check); + case '60': + throw new ResponseException($this->l10n->t('Collabora Online: SSL certificate is not installed.'), $this->l10n->t('Please ask your administrator to add ca-chain.cert.pem to the ca-bundle.crt, for example "cat /etc/loolwsd/ca-chain.cert.pem >> <server-installation>/resources/config/ca-bundle.crt" . The exact error message was: ') . $error_message); + } + } + throw new ResponseException($this->l10n->t('Collabora Online unknown error: ') . $error_message, $contact_admin); + } + + $responseBody = $response->getBody(); + $file->putContent( + json_encode([ + 'data' => $responseBody, + 'timestamp' => $this->timeFactory->getTime(), + ]) + ); + return $responseBody; + } +} |