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                         $req = OAuthRequest::from_request();
  29                         # Note: server-to-server function!
  30                         $server = omb_oauth_server();
  31                         list($consumer, $token) = $server->verify_request($req);
  32                         if ($this->save_notice($req, $consumer, $token)) {
  33                                 print "omb_version=".OMB_VERSION_01;
  34                         }
  35                 } catch (OAuthException $e) {
  36                         common_server_error($e->getMessage());
  37                         return;
  38                 }
  39         }
  40
  41         function save_notice(&$req, &$consumer, &$token) {
  42                 $version = $req->get_parameter('omb_version');
  43                 if ($version != OMB_VERSION_01) {
  44                         common_user_error(_t('Unsupported OMB version'), 400);
  45                         return false;
  46                 }
  47                 # First, check to see
  48                 $listenee =  $req->get_parameter('omb_listenee');
  49                 $remote_profile = Remote_profile::staticGet('uri', $listenee);
  50                 if (!$remote_profile) {
  51                         common_user_error(_t('Profile unknown'), 403);
  52                         return false;
  53                 }
  54                 $sub = Subscription::staticGet('token', $token->key);
  55                 if (!$sub) {
  56                         common_user_error(_t('No such subscription'), 403);
  57                         return false;
  58                 }
  59                 $content = $req->get_parameter('omb_notice_content');
  60                 if (!$content || strlen($content) > 140) {
  61                         common_user_error(_t('Invalid notice content'), 400);
  62                         return false;
  63                 }
  64                 $notice_uri = $req->get_parameter('omb_notice');
  65                 if (!Validate::uri($notice_uri) &&
  66                         !common_valid_tag($notice_uri)) {
  67                         common_user_error(_t('Invalid notice uri'), 400);
  68                         return false;
  69                 }
  70                 $notice_url = $req->get_parameter('omb_notice_url');
  71                 if ($notice_url && !common_valid_http_url($notice_url)) {
  72                         common_user_error(_t('Invalid notice url'), 400);
  73                         return false;
  74                 }
  75                 $notice = Notice::staticGet('uri', $notice_uri);
  76                 if (!$notice) {
  77                         $notice = new Notice();
  78                         $notice->profile_id = $remote_profile->id;
  79                         $notice->uri = $notice->uri;
  80                         $notice->content = $content;
  81                         if ($notice_url) {
  82                                 $notice->url = $notice_url;
  83                         }
  84                         $notice->created = DB_DataObject_Cast::dateTime(); # current time
  85                         $id = $notice->insert();
  86                         if (!$id) {
  87                                 common_server_error(_t('Error inserting notice'), 500);
  88                                 return false;
  89                         }
  90                         common_broadcast_notice($notice, true);
  91                 }
  92                 return true;
  93         }
  94 }