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