lib/ping.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, 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('LACONICA')) { exit(1); }
  21
  22 function ping_broadcast_notice($notice) {
  23         if (!$notice->is_local) {
  24                 return;
  25         }
  26
  27         # Array of servers, URL => type
  28         $notify = common_config('ping', 'notify');
  29         $profile = $notice->getProfile();
  30         $tags = ping_notice_tags($notice);
  31
  32         foreach ($notify as $notify_url => $type) {
  33                 switch ($type) {
  34                  case 'xmlrpc':
  35                  case 'extended':
  36                         $req = xmlrpc_encode_request('weblogUpdates.ping',
  37                                                                                  array($profile->nickname, # site name
  38                                                                                            common_local_url('showstream',
  39                                                                                                                                 array('nickname' => $profile->nickname)),
  40                                                                                            common_local_url('shownotice',
  41                                                                                                                                 array('notice' => $notice->id)),
  42                                                                                            common_local_url('userrss',
  43                                                                                                                                 array('nickname' => $profile->nickname)),
  44                                                                                            $tags));
  45
  46                         # We re-use this tool's fetcher, since it's pretty good
  47
  48                         $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
  49
  50                         if (!$fetcher) {
  51                                 common_log(LOG_WARNING, 'Failed to initialize Yadis fetcher.', __FILE__);
  52                                 return false;
  53                         }
  54
  55                         $result = $fetcher->post($notify_url,
  56                                                                          $req);
  57
  58                  case 'get':
  59                  case 'post':
  60                  default:
  61                         common_log(LOG_WARNING, 'Unknown notify type for ' . $notify_url . ': ' . $type);
  62                                                                                    }
  63         }
  64 }
  65
  66 function ping_notice_tags($notice) {
  67         $tag = new Notice_tag();
  68         $tag->notice_id = $notice->id;
  69         $tags = array();
  70         if ($tag->find()) {
  71                 while ($tag->fetch()) {
  72                         $tags[] = $tag->tag;
  73                 }
  74                 $tag->free();
  75                 unset($tag);
  76                 return implode('|', $tags);
  77         }
  78         return NULL;
  79 }