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- <?php
- /**
- * StatusNet, the distributed open-source microblogging tool
- *
- * StatusNet-only extensions to the Twitter-like API
- *
- * PHP version 5
- *
- * LICENCE: 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/>.
- *
- * @package StatusNet
- * @author Brion Vibber <brion@status.net>
- * @copyright 2010 StatusNet, Inc.
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link http://status.net/
- */
- if (!defined('STATUSNET') && !defined('LACONICA')) {
- exit(1);
- }
- /**
- * Embed proxy implementation
- *
- * This class provides an interface for our JS-side code to pull info on
- * links from other sites, using either native embed, our own custom
- * handlers, or the noembed.com offsite proxy service as configured.
- *
- * @category embed
- * @package StatusNet
- * @author Brion Vibber <brion@status.net>
- * @copyright 2010 StatusNet, Inc.
- * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
- * @link http://status.net/
- */
- class OEmbedproxyAction extends OEmbedAction
- {
- function handle()
- {
- // Trigger short error responses; not a human-readable web page.
- GNUsocial::setApi(true);
- // We're not a general embed proxy service; limit to valid sessions.
- $token = $this->trimmed('token');
- if (!$token || $token != common_session_token()) {
- // TRANS: Client error displayed when the session token does not match or is not given.
- $this->clientError(_m('There was a problem with your session token. '.
- 'Try again, please.'));
- }
- $format = $this->arg('format');
- if ($format && $format != 'json') {
- // TRANS: Client exception thrown when requesting a different format than JSON.
- throw new ClientException(_m('Invalid format; only JSON supported.'));
- }
- $url = $this->arg('url');
- if (!common_valid_http_url($url)) {
- // TRANS: Client exception thrown when not providing a valid URL.
- throw new ClientException(_m('Invalid URL.'));
- }
- $params = array();
- if ($this->arg('maxwidth')) {
- $params['maxwidth'] = $this->arg('maxwidth');
- }
- if ($this->arg('maxheight')) {
- $params['maxheight'] = $this->arg('maxheight');
- }
- $data = EmbedHelper::getObject($url, $params);
- $this->init_document('json');
- print json_encode($data);
- }
- }
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