actions/postnotice.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 require_once(INSTALLDIR.'/lib/omb.php');
  23
  24 class PostnoticeAction extends Action {
  25         function handle($args) {
  26                 parent::handle($args);
  27                 try {
  28                         common_remove_magic_from_request();
  29                         $req = OAuthRequest::from_request();
  30                         # Note: server-to-server function!
  31                         $server = omb_oauth_server();
  32                         list($consumer, $token) = $server->verify_request($req);
  33                         if ($this->save_notice($req, $consumer, $token)) {
  34                                 print "omb_version=".OMB_VERSION_01;
  35                         }
  36                 } catch (OAuthException $e) {
  37                         common_server_error($e->getMessage());
  38                         return;
  39                 }
  40         }
  41
  42         function save_notice(&$req, &$consumer, &$token) {
  43                 $version = $req->get_parameter('omb_version');
  44                 if ($version != OMB_VERSION_01) {
  45                         common_user_error(_('Unsupported OMB version'), 400);
  46                         return false;
  47                 }
  48                 # First, check to see
  49                 $listenee =  $req->get_parameter('omb_listenee');
  50                 $remote_profile = Remote_profile::staticGet('uri', $listenee);
  51                 if (!$remote_profile) {
  52                         common_user_error(_('Profile unknown'), 403);
  53                         return false;
  54                 }
  55                 $sub = Subscription::staticGet('token', $token->key);
  56                 if (!$sub) {
  57                         common_user_error(_('No such subscription'), 403);
  58                         return false;
  59                 }
  60                 $content = $req->get_parameter('omb_notice_content');
  61         $content_shortened = common_shorten_links($content);
  62         if (mb_strlen($content_shortened) > 140) {
  63             common_user_error(_('Invalid notice content'), 400);
  64             return false;
  65         }
  66                 $notice_uri = $req->get_parameter('omb_notice');
  67                 if (!Validate::uri($notice_uri) &&
  68                         !common_valid_tag($notice_uri)) {
  69                         common_user_error(_('Invalid notice uri'), 400);
  70                         return false;
  71                 }
  72                 $notice_url = $req->get_parameter('omb_notice_url');
  73                 if ($notice_url && !common_valid_http_url($notice_url)) {
  74                         common_user_error(_('Invalid notice url'), 400);
  75                         return false;
  76                 }
  77                 $notice = Notice::staticGet('uri', $notice_uri);
  78                 if (!$notice) {
  79                         $notice = Notice::saveNew($remote_profile->id, $content, 'omb', false, 0, $notice_uri);
  80                         if (is_string($notice)) {
  81                                 common_server_serror($notice, 500);
  82                                 return false;
  83                         }
  84                         common_broadcast_notice($notice, true);
  85                 }
  86                 return true;
  87         }
  88 }