gnu-social/plugins/RSSCloud/RSSCloudNotifier.php

110 lines
3.8 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Class to ping an rssCloud endpoint when a feed has been updated
*
* 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/>.
*
* @category Plugin
* @package StatusNet
* @author Zach Copley <zach@status.net>
* @copyright 2009 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')) {
exit(1);
}
class RSSCloudNotifier {
function challenge($endpoint, $feed)
{
$code = common_confirmation_code(128);
$params = array('url' => $feed, 'challenge' => $code);
$url = $endpoint . '?' . http_build_query($params);
try {
$client = new HTTPClient();
$response = $client->get($url);
} catch (HTTP_Request2_Exception $e) {
common_log(LOG_INFO, 'RSSCloud plugin - failure testing notify handler ' .
$endpoint . ' - ' . $e->getMessage());
return false;
}
// Check response is betweet 200 and 299 and body contains challenge data
$status = $response->getStatus();
$body = $response->getBody();
if ($status >= 200 && $status < 300) {
if (strpos($body, $code) !== false) {
common_log(LOG_INFO, 'RSSCloud plugin - ' .
"success testing notify handler: $endpoint");
return true;
} else {
common_log(LOG_INFO, 'RSSCloud plugin - ' .
'challenge/repsonse failed for notify handler ' .
$endpoint);
common_debug('body = ' . var_export($body, true));
return false;
}
} else {
common_log(LOG_INFO, 'RSSCloud plugin - ' .
"failure testing notify handler: $endpoint " .
' - got HTTP ' . $status);
common_debug('body = ' . var_export($body, true));
return false;
}
}
function postUpdate($endpoint, $feed) {
$headers = array();
$postdata = array('url' => $feed);
try {
$client = new HTTPClient();
$response = $client->post($endpoint, $headers, $postdata);
} catch (HTTP_Request2_Exception $e) {
common_log(LOG_INFO, 'RSSCloud plugin - failure notifying ' .
$endpoint . ' that feed ' . $feed .
' has changed: ' . $e->getMessage());
return false;
}
$status = $response->getStatus();
if ($status >= 200 && $status < 300) {
common_log(LOG_INFO, 'RSSCloud plugin - success notifying ' .
$endpoint . ' that feed ' . $feed . ' has changed.');
return true;
} else {
common_log(LOG_INFO, 'RSSCloud plugin - failure notifying ' .
$endpoint . ' that feed ' . $feed .
' has changed: got HTTP ' . $status);
common_debug('body = ' . var_export($response->getBody(), true));
return false;
}
}
}