lib/ping.php

   1 <?php
   2 /*
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2009, StatusNet, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
  21
  22 function ping_broadcast_notice($notice) {
  23
  24         if ($notice->is_local != Notice::LOCAL_PUBLIC && $notice->is_local != Notice::LOCAL_NONPUBLIC) {
  25                 return true;
  26         }
  27
  28         # Array of servers, URL => type
  29         $notify = common_config('ping', 'notify');
  30         $profile = $notice->getProfile();
  31         $tags = ping_notice_tags($notice);
  32
  33         foreach ($notify as $notify_url => $type) {
  34                 switch ($type) {
  35                  case 'xmlrpc':
  36                  case 'extended':
  37                         $req = xmlrpc_encode_request('weblogUpdates.ping',
  38                                                                                  array($profile->nickname, # site name
  39                                                                                            common_local_url('showstream',
  40                                                                                                                                 array('nickname' => $profile->nickname)),
  41                                                                                            common_local_url('shownotice',
  42                                                                                                                                 array('notice' => $notice->id)),
  43                                                                                            common_local_url('userrss',
  44                                                                                                                                 array('nickname' => $profile->nickname)),
  45                                                                                            $tags));
  46
  47             $request = HTTPClient::start();
  48             $request->setConfig('connect_timeout', common_config('ping', 'timeout'));
  49             $request->setConfig('timeout', common_config('ping', 'timeout'));
  50             try {
  51                 $httpResponse = $request->post($notify_url, array('Content-Type: text/xml'), $req);
  52             } catch (Exception $e) {
  53                 common_log(LOG_ERR,
  54                            "Exception pinging $notify_url: " . $e->getMessage());
  55                 continue;
  56             }
  57
  58             if (!$httpResponse || mb_strlen($httpResponse->getBody()) == 0) {
  59                 common_log(LOG_WARNING,
  60                            "XML-RPC empty results for ping ($notify_url, $notice->id) ");
  61                 continue;
  62             }
  63
  64             $response = xmlrpc_decode($httpResponse->getBody());
  65
  66             if (is_array($response) && xmlrpc_is_fault($response)) {
  67                 common_log(LOG_WARNING,
  68                            "XML-RPC error for ping ($notify_url, $notice->id) ".
  69                            "$response[faultString] ($response[faultCode])");
  70             } else {
  71                 common_log(LOG_INFO,
  72                            "Ping success for $notify_url $notice->id");
  73             }
  74             break;
  75
  76                  case 'get':
  77                  case 'post':
  78             $args = array('name' => $profile->nickname,
  79                           'url' => common_local_url('showstream',
  80                                                     array('nickname' => $profile->nickname)),
  81                           'changesURL' => common_local_url('userrss',
  82                                                            array('nickname' => $profile->nickname)));
  83
  84             $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
  85
  86             if ($type === 'get') {
  87                 $result = $fetcher->get($notify_url . '?' . http_build_query($args),
  88                                         array('User-Agent: StatusNet/'.STATUSNET_VERSION));
  89             } else {
  90                 $result = $fetcher->post($notify_url,
  91                                          http_build_query($args),
  92                                          array('User-Agent: StatusNet/'.STATUSNET_VERSION));
  93             }
  94             if ($result->status != '200') {
  95                 common_log(LOG_WARNING,
  96                            "Ping error for '$notify_url' ($notice->id): ".
  97                            "$result->body");
  98             } else {
  99                 common_log(LOG_INFO,
 100                            "Ping success for '$notify_url' ($notice->id): ".
 101                            "'$result->body'");
 102             }
 103             break;
 104
 105                  default:
 106                         common_log(LOG_WARNING, 'Unknown notify type for ' . $notify_url . ': ' . $type);
 107         }
 108         }
 109
 110     return true;
 111 }
 112
 113 function ping_notice_tags($notice) {
 114         $tag = new Notice_tag();
 115         $tag->notice_id = $notice->id;
 116         $tags = array();
 117         if ($tag->find()) {
 118                 while ($tag->fetch()) {
 119                         $tags[] = $tag->tag;
 120                 }
 121                 $tag->free();
 122                 unset($tag);
 123                 return implode('|', $tags);
 124         }
 125         return NULL;
 126 }