forked from GNUsocial/gnu-social
88 lines
3.1 KiB
PHP
88 lines
3.1 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* StatusNet-only extensions to the Twitter-like API
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET') && !defined('LACONICA')) {
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exit(1);
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}
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/**
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* Oembed proxy implementation
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*
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* This class provides an interface for our JS-side code to pull info on
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* links from other sites, using either native oEmbed, our own custom
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* handlers, or the noembed.com offsite proxy service as configured.
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*
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* @category oEmbed
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* @package StatusNet
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* @author Brion Vibber <brion@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class OembedproxyAction extends OembedAction
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{
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function handle($args)
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{
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// Trigger short error responses; not a human-readable web page.
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StatusNet::setApi(true);
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// We're not a general oEmbed proxy service; limit to valid sessions.
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$token = $this->trimmed('token');
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if (!$token || $token != common_session_token()) {
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// TRANS: Client error displayed when the session token does not match or is not given.
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$this->clientError(_m('There was a problem with your session token. '.
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'Try again, please.'));
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}
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$format = $this->arg('format');
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if ($format && $format != 'json') {
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// TRANS: Client exception thrown when requesting a different format than JSON.
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throw new ClientException(_m('Invalid format; only JSON supported.'));
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}
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$url = $this->arg('url');
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if (!common_valid_http_url($url)) {
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// TRANS: Client exception thrown when not providing a valid URL.
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throw new ClientException(_m('Invalid URL.'));
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}
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$params = array();
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if ($this->arg('maxwidth')) {
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$params['maxwidth'] = $this->arg('maxwidth');
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}
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if ($this->arg('maxheight')) {
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$params['maxheight'] = $this->arg('maxheight');
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}
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$data = oEmbedHelper::getObject($url, $params);
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$this->init_document('json');
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print json_encode($data);
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}
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}
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