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) {
  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             $context = stream_context_create(array('http' => array('method' => "POST",
  48                                                                    'header' =>
  49                                                                    "Content-Type: text/xml\r\n".
  50                                                                    "User-Agent: StatusNet/".STATUSNET_VERSION."\r\n",
  51                                                                    'content' => $req)));
  52             $file = file_get_contents($notify_url, false, $context);
  53
  54             if ($file === false || mb_strlen($file) == 0) {
  55                 common_log(LOG_WARNING,
  56                            "XML-RPC empty results for ping ($notify_url, $notice->id) ");
  57                 continue;
  58             }
  59
  60             $response = xmlrpc_decode($file);
  61
  62             if (is_array($response) && xmlrpc_is_fault($response)) {
  63                 common_log(LOG_WARNING,
  64                            "XML-RPC error for ping ($notify_url, $notice->id) ".
  65                            "$response[faultString] ($response[faultCode])");
  66             } else {
  67                 common_log(LOG_INFO,
  68                            "Ping success for $notify_url $notice->id");
  69             }
  70             break;
  71
  72                  case 'get':
  73                  case 'post':
  74             $args = array('name' => $profile->nickname,
  75                           'url' => common_local_url('showstream',
  76                                                     array('nickname' => $profile->nickname)),
  77                           'changesURL' => common_local_url('userrss',
  78                                                            array('nickname' => $profile->nickname)));
  79
  80             $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
  81
  82             if ($type === 'get') {
  83                 $result = $fetcher->get($notify_url . '?' . http_build_query($args),
  84                                         array('User-Agent: StatusNet/'.STATUSNET_VERSION));
  85             } else {
  86                 $result = $fetcher->post($notify_url,
  87                                          http_build_query($args),
  88                                          array('User-Agent: StatusNet/'.STATUSNET_VERSION));
  89             }
  90             if ($result->status != '200') {
  91                 common_log(LOG_WARNING,
  92                            "Ping error for '$notify_url' ($notice->id): ".
  93                            "$result->body");
  94             } else {
  95                 common_log(LOG_INFO,
  96                            "Ping success for '$notify_url' ($notice->id): ".
  97                            "'$result->body'");
  98             }
  99             break;
 100
 101                  default:
 102                         common_log(LOG_WARNING, 'Unknown notify type for ' . $notify_url . ': ' . $type);
 103         }
 104         }
 105
 106     return true;
 107 }
 108
 109 function ping_notice_tags($notice) {
 110         $tag = new Notice_tag();
 111         $tag->notice_id = $notice->id;
 112         $tags = array();
 113         if ($tag->find()) {
 114                 while ($tag->fetch()) {
 115                         $tags[] = $tag->tag;
 116                 }
 117                 $tag->free();
 118                 unset($tag);
 119                 return implode('|', $tags);
 120         }
 121         return NULL;
 122 }