| <?php␊ | 
| /* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */␊ | 
| /*␊ | 
| # ***** BEGIN LICENSE BLOCK *****␊ | 
| # This file is part of InDefero, an open source project management application.␊ | 
| # Copyright (C) 2008, 2009, 2010 Céondo Ltd and contributors.␊ | 
| #␊ | 
| # InDefero is free software; you can redistribute it and/or modify␊ | 
| # it under the terms of the GNU General Public License as published by␊ | 
| # the Free Software Foundation; either version 2 of the License, or␊ | 
| # (at your option) any later version.␊ | 
| #␊ | 
| # InDefero 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 General Public License for more details.␊ | 
| #␊ | 
| # You should have received a copy of the GNU General Public License␊ | 
| # along with this program; if not, write to the Free Software␊ | 
| # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA␊ | 
| #␊ | 
| # ***** END LICENSE BLOCK ***** */␊ | 
| ␊ | 
| /**␊ | 
| * Management of the webhooks.␊ | 
| *␊ | 
| * The class provides the tools to perform the POST request with␊ | 
| * authentication for the webhooks.␊ | 
| *␊ | 
| */␊ | 
| class IDF_Webhook␊ | 
| {␊ | 
| /**␊ | 
| * Perform the POST request given the webhook payload.␊ | 
| *␊ | 
| * @param array Payload␊ | 
| * @return bool Success or error␊ | 
| */␊ | 
| public static function postNotification($payload)␊ | 
| {␊ | 
| $data = json_encode($payload['to_send']);␊ | 
| $sign = hash_hmac('md5', $data, $payload['authkey']);␊ | 
| $params = array('http' => array(␊ | 
| 'method' => 'POST',␊ | 
| 'content' => $data,␊ | 
| 'user_agent' => 'Indefero Hook Sender (http://www.indefero.net)',␊ | 
| 'max_redirects' => 0, ␊ | 
| 'timeout' => 15,␊ | 
| 'header'=> 'Indefero-Hook-Hmac: '.$sign."\r\n"␊ | 
| .'Content-Type: application/json'."\r\n",␊ | 
| )␊ | 
| );␊ | 
| $url = $payload['url'];␊ | 
| $ctx = stream_context_create($params);␊ | 
| $fp = @fopen($url, 'rb', false, $ctx);␊ | 
| if (!$fp) {␊ | 
| return false;␊ | 
| }␊ | 
| $meta = stream_get_meta_data($fp);␊ | 
| @fclose($fp);␊ | 
| if (!isset($meta['wrapper_data'][0]) or $meta['timed_out']) {␊ | 
| return false;␊ | 
| }␊ | 
| if (0 === strpos($meta['wrapper_data'][0], 'HTTP/1.1 2') or ␊ | 
| 0 === strpos($meta['wrapper_data'][0], 'HTTP/1.1 3')) {␊ | 
| return true;␊ | 
| }␊ | 
| return false;␊ | 
| }␊ | 
| ␊ | 
| ␊ | 
| /**␊ | 
| * Process the webhook.␊ | 
| *␊ | 
| */␊ | 
| public static function process($sender, &$params)␊ | 
| {␊ | 
| $item = $params['item'];␊ | 
| if ($item->type != 'new_commit') {␊ | 
| // We do nothing.␊ | 
| return;␊ | 
| }␊ | 
| if (isset($params['res']['IDF_Webhook::process']) and ␊ | 
| $params['res']['IDF_Webhook::process'] == true) {␊ | 
| // Already processed.␊ | 
| return;␊ | 
| }␊ | 
| // We have either to retry or to push for the first time.␊ | 
| $res = self::postNotification($item->payload);␊ | 
| if ($res) {␊ | 
| $params['res']['IDF_Webhook::process'] = true;␊ | 
| } elseif ($item->trials >= 9) {␊ | 
| // We are at trial 10, give up␊ | 
| $params['res']['IDF_Webhook::process'] = true;␊ | 
| } else {␊ | 
| // Need to try again␊ | 
| $params['res']['IDF_Webhook::process'] = false;␊ | 
| }␊ | 
| }␊ | 
| }␊ |