actions/xrds.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 define('OPENMICROBLOGGING01', 'http://openmicroblogging.org/protocol/0.1');
  23
  24 class XrdsAction extends Action {
  25
  26         function handle($args) {
  27                 parent::handle($args);
  28                 $nickname = $this->trimmed('nickname');
  29                 $user = User::staticGet('nickname', $nickname);
  30                 if (!$user) {
  31                         common_user_error(_t('No such user.'));
  32                         return;
  33                 }
  34                 $this->show_xrds($user);
  35         }
  36
  37         function show_xrds($user) {
  38
  39                 header('Content-Type: application/rdf+xml');
  40
  41                 common_start_xml();
  42                 common_element_start('xrds:XRDS', array('xmlns:xrds' => 'xri://$xrds',
  43                                                                                                 'xmlns' => 'xri://$xrd*($v*2.0)'));
  44                 common_element_start('XRD');
  45
  46                 $this->show_service(OPENMICROBLOGGING01.'/identifier',
  47                                                         $user->uri);
  48
  49                 # XXX: decide whether to include user's ID/nickname in postNotice URL
  50
  51                 foreach (array('requestToken', 'userAuthorization',
  52                                            'accessToken', 'postNotice',
  53                                            'updateProfile') as $type) {
  54                         $this->show_service(OPENMICROBLOGGING01.'/'.$type,
  55                                                                 common_local_url(strtolower($type)));
  56                 }
  57
  58                 common_element_end('XRD');
  59                 common_element_end('xrds:XRDS');
  60                 common_end_xml();
  61         }
  62
  63         function show_service($type, $uri) {
  64                 common_element_start('Service');
  65                 common_element('Type', $type);
  66                 common_element('URI', $uri);
  67                 common_element_end('Service');
  68         }
  69 }