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Use session token protection on oEmbed proxy action for LinkPreview... and commit the file *sigh*

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Brion Vibber 2010-11-16 15:36:53 -08:00
parent 9cdb9cc18d
commit d1fb52264b
2 changed files with 86 additions and 1 deletions
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3
plugins/LinkPreview/linkpreview.js
View File

@ -54,7 +54,8 @@
url: url,
format: 'json',
maxwidth: oEmbed.width,
maxheight: oEmbed.height
maxheight: oEmbed.height,
token: $('#token').val()
};
$.get(oEmbed.api, params, function(data, xhr) {
callback(data);

84
plugins/LinkPreview/oembedproxyaction.php Normal file
View File

@ -0,0 +1,84 @@
<?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);
}
/**
* Oembed proxy implementation
*
* This class provides an interface for our JS-side code to pull info on
* links from other sites, using either native oEmbed, our own custom
* handlers, or the oohEmbed.com offsite proxy service as configured.
*
* @category oEmbed
* @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($args)
{
// We're not a general oEmbed proxy service; limit to valid sessions.
$token = $this->trimmed('token');
if (!$token || $token != common_session_token()) {
$this->clientError(_('There was a problem with your session token. '.
'Try again, please.'));
}
$format = $this->arg('format');
if ($format && $format != 'json') {
throw new ClientException('Invalid format; only JSON supported.');
}
$url = $this->arg('url');
if (!common_valid_http_url($url)) {
throw new ClientException('Invalid URL.');
}
$params = array();
if ($this->arg('maxwidth')) {
$params['maxwidth'] = $this->arg('maxwidth');
}
if ($this->arg('maxheight')) {
$params['maxheight'] = $this->arg('maxheight');
}
$data = oEmbedHelper::getObject($url, $params);
$this->init_document('json');
print json_encode($data);
}
}