actions/xrds.php

   1 <?php
   2 /**
   3  * XRDS for OpenMicroBlogging
   4  *
   5  * PHP version 5
   6  *
   7  * @category Action
   8  * @package  StatusNet
   9  * @author   Evan Prodromou <evan@status.net>
  10  * @author   Robin Millette <millette@status.net>
  11  * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
  12  * @link     http://status.net/
  13  *
  14  * StatusNet - the distributed open-source microblogging tool
  15  * Copyright (C) 2008, 2009, StatusNet, Inc.
  16  *
  17  * This program is free software: you can redistribute it and/or modify
  18  * it under the terms of the GNU Affero General Public License as published by
  19  * the Free Software Foundation, either version 3 of the License, or
  20  * (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU Affero General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU Affero General Public License
  28  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  29  */
  30
  31 if (!defined('STATUSNET') && !defined('LACONICA')) {
  32     exit(1);
  33 }
  34
  35 require_once INSTALLDIR.'/lib/omb.php';
  36 require_once INSTALLDIR.'/extlib/libomb/service_provider.php';
  37 require_once INSTALLDIR.'/extlib/libomb/xrds_mapper.php';
  38 require_once INSTALLDIR.'/lib/xrdsoutputter.php';
  39
  40 /**
  41  * XRDS for OpenMicroBlogging
  42  *
  43  * @category Action
  44  * @package  StatusNet
  45  * @author   Evan Prodromou <evan@status.net>
  46  * @author   Robin Millette <millette@status.net>
  47  * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
  48  * @link     http://status.net/
  49  */
  50 class XrdsAction extends Action
  51 {
  52     var $user;
  53
  54     /**
  55      * Is read only?
  56      *
  57      * @return boolean true
  58      */
  59     function isReadOnly()
  60     {
  61         return true;
  62     }
  63
  64     function prepare($args)
  65     {
  66         parent::prepare($args);
  67         $nickname = $this->trimmed('nickname');
  68         $this->user     = User::staticGet('nickname', $nickname);
  69         if (!$this->user) {
  70             // TRANS: Client error displayed providing a non-existing nickname.
  71             $this->clientError(_('No such user.'));
  72             return;
  73         }
  74         return true;
  75     }
  76
  77     /**
  78      * Class handler.
  79      *
  80      * @param array $args query arguments
  81      *
  82      * @return void
  83      */
  84     function handle($args)
  85     {
  86         parent::handle($args);
  87         $xrdsOutputter = new XRDSOutputter();
  88         $xrdsOutputter->startXRDS();
  89
  90         Event::handle('StartUserXRDS', array($this,&$xrdsOutputter));
  91
  92         //oauth
  93         $xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
  94                                           'xml:id' => 'oauth',
  95                                           'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
  96                                           'version' => '2.0'));
  97         $xrdsOutputter->element('Type', null, 'xri://$xrds*simple');
  98         $xrdsOutputter->showXrdsService(OAUTH_ENDPOINT_REQUEST,
  99                             common_local_url('requesttoken'),
 100                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY, OAUTH_HMAC_SHA1),
 101                             null,
 102                             $this->user->uri);
 103         $xrdsOutputter->showXrdsService( OAUTH_ENDPOINT_AUTHORIZE,
 104                             common_local_url('userauthorization'),
 105                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY, OAUTH_HMAC_SHA1));
 106         $xrdsOutputter->showXrdsService(OAUTH_ENDPOINT_ACCESS,
 107                             common_local_url('accesstoken'),
 108                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY, OAUTH_HMAC_SHA1));
 109         $xrdsOutputter->showXrdsService(OAUTH_ENDPOINT_RESOURCE,
 110                             null,
 111                             array(OAUTH_AUTH_HEADER, OAUTH_POST_BODY, OAUTH_HMAC_SHA1));
 112         $xrdsOutputter->elementEnd('XRD');
 113
 114         //omb
 115         $xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
 116                                           'xml:id' => 'omb',
 117                                           'xmlns:simple' => 'http://xrds-simple.net/core/1.0',
 118                                           'version' => '2.0'));
 119         $xrdsOutputter->element('Type', null, 'xri://$xrds*simple');
 120         $xrdsOutputter->showXrdsService(OMB_ENDPOINT_POSTNOTICE,
 121                             common_local_url('postnotice'));
 122         $xrdsOutputter->showXrdsService(OMB_ENDPOINT_UPDATEPROFILE,
 123                             common_local_url('updateprofile'));
 124         $xrdsOutputter->elementEnd('XRD');
 125
 126         Event::handle('EndUserXRDS', array($this,&$xrdsOutputter));
 127
 128         //misc
 129         $xrdsOutputter->elementStart('XRD', array('xmlns' => 'xri://$xrd*($v*2.0)',
 130                                           'version' => '2.0'));
 131         $xrdsOutputter->showXrdsService(OAUTH_DISCOVERY,
 132                             '#oauth');
 133         $xrdsOutputter->showXrdsService(OMB_VERSION,
 134                             '#omb');
 135         $xrdsOutputter->elementEnd('XRD');
 136
 137         $xrdsOutputter->endXRDS();
 138     }
 139 }