actions/publicxrds.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/openid.php');
  23
  24 # XXX: factor out similarities with XrdsAction
  25
  26 class PublicxrdsAction extends Action {
  27
  28         function is_readonly() {
  29                 return true;
  30         }
  31
  32         function handle($args) {
  33
  34                 parent::handle($args);
  35
  36                 header('Content-Type: application/xrds+xml');
  37
  38                 common_start_xml();
  39                 common_element_start('XRDS', array('xmlns' => 'xri://$xrds'));
  40
  41                 common_element_start('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
  42                                                                                   'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
  43                                                                                   'version' => '2.0'));
  44
  45                 common_element('Type', NULL, 'xri://$xrds*simple');
  46
  47                 foreach (array('finishopenidlogin', 'finishaddopenid', 'finishimmediate') as $finish) {
  48                         $this->show_service(Auth_OpenID_RP_RETURN_TO_URL_TYPE,
  49                                                                 common_local_url($finish));
  50                 }
  51
  52                 common_element_end('XRD');
  53
  54                 common_element_end('XRDS');
  55                 common_end_xml();
  56         }
  57
  58         function show_service($type, $uri, $params=NULL, $sigs=NULL, $localId=NULL) {
  59                 common_element_start('Service');
  60                 if ($uri) {
  61                         common_element('URI', NULL, $uri);
  62                 }
  63                 common_element('Type', NULL, $type);
  64                 if ($params) {
  65                         foreach ($params as $param) {
  66                                 common_element('Type', NULL, $param);
  67                         }
  68                 }
  69                 if ($sigs) {
  70                         foreach ($sigs as $sig) {
  71                                 common_element('Type', NULL, $sig);
  72                         }
  73                 }
  74                 if ($localId) {
  75                         common_element('LocalID', NULL, $localId);
  76                 }
  77                 common_element_end('Service');
  78         }
  79 }