_darcs/pristine/actions/openidsettings.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/settingsaction.php');
  23 require_once(INSTALLDIR.'/lib/openid.php');
  24
  25 class OpenidsettingsAction extends SettingsAction
  26 {
  27
  28     function get_instructions()
  29     {
  30         return _('[OpenID](%%doc.openid%%) lets you log into many sites ' .
  31                   ' with the same user account. '.
  32                   ' Manage your associated OpenIDs from here.');
  33     }
  34
  35     function show_form($msg=null, $success=false)
  36     {
  37
  38         $user = common_current_user();
  39
  40         $this->form_header(_('OpenID settings'), $msg, $success);
  41
  42         common_element_start('form', array('method' => 'post',
  43                                            'id' => 'openidadd',
  44                                            'action' =>
  45                                            common_local_url('openidsettings')));
  46         common_hidden('token', common_session_token());
  47         common_element('h2', null, _('Add OpenID'));
  48         common_element('p', null,
  49                        _('If you want to add an OpenID to your account, ' .
  50                           'enter it in the box below and click "Add".'));
  51         common_element_start('p');
  52         common_element('label', array('for' => 'openid_url'),
  53                        _('OpenID URL'));
  54         common_element('input', array('name' => 'openid_url',
  55                                       'type' => 'text',
  56                                       'id' => 'openid_url'));
  57         common_element('input', array('type' => 'submit',
  58                                       'id' => 'add',
  59                                       'name' => 'add',
  60                                       'class' => 'submit',
  61                                       'value' => _('Add')));
  62         common_element_end('p');
  63         common_element_end('form');
  64
  65         $oid = new User_openid();
  66         $oid->user_id = $user->id;
  67
  68         $cnt = $oid->find();
  69
  70         if ($cnt > 0) {
  71
  72             common_element('h2', null, _('Remove OpenID'));
  73
  74             if ($cnt == 1 && !$user->password) {
  75
  76                 common_element('p', null,
  77                                _('Removing your only OpenID would make it impossible to log in! ' .
  78                                   'If you need to remove it, add another OpenID first.'));
  79
  80                 if ($oid->fetch()) {
  81                     common_element_start('p');
  82                     common_element('a', array('href' => $oid->canonical),
  83                                    $oid->display);
  84                     common_element_end('p');
  85                 }
  86
  87             } else {
  88
  89                 common_element('p', null,
  90                                _('You can remove an OpenID from your account '.
  91                                   'by clicking the button marked "Remove".'));
  92                 $idx = 0;
  93
  94                 while ($oid->fetch()) {
  95                     common_element_start('form', array('method' => 'POST',
  96                                                        'id' => 'openiddelete' . $idx,
  97                                                        'action' =>
  98                                                        common_local_url('openidsettings')));
  99                     common_element_start('p');
 100                     common_hidden('token', common_session_token());
 101                     common_element('a', array('href' => $oid->canonical),
 102                                    $oid->display);
 103                     common_element('input', array('type' => 'hidden',
 104                                                   'id' => 'openid_url'.$idx,
 105                                                   'name' => 'openid_url',
 106                                                   'value' => $oid->canonical));
 107                     common_element('input', array('type' => 'submit',
 108                                                   'id' => 'remove'.$idx,
 109                                                   'name' => 'remove',
 110                                                   'class' => 'submit',
 111                                                   'value' => _('Remove')));
 112                     common_element_end('p');
 113                     common_element_end('form');
 114                     $idx++;
 115                 }
 116             }
 117         }
 118
 119         common_show_footer();
 120     }
 121
 122     function handle_post()
 123     {
 124         # CSRF protection
 125         $token = $this->trimmed('token');
 126         if (!$token || $token != common_session_token()) {
 127             $this->show_form(_('There was a problem with your session token. Try again, please.'));
 128             return;
 129         }
 130
 131         if ($this->arg('add')) {
 132             $result = oid_authenticate($this->trimmed('openid_url'), 'finishaddopenid');
 133             if (is_string($result)) { # error message
 134                 $this->show_form($result);
 135             }
 136         } else if ($this->arg('remove')) {
 137             $this->remove_openid();
 138         } else {
 139             $this->show_form(_('Something weird happened.'));
 140         }
 141     }
 142
 143     function remove_openid()
 144     {
 145
 146         $openid_url = $this->trimmed('openid_url');
 147         $oid = User_openid::staticGet('canonical', $openid_url);
 148         if (!$oid) {
 149             $this->show_form(_('No such OpenID.'));
 150             return;
 151         }
 152         $cur = common_current_user();
 153         if (!$cur || $oid->user_id != $cur->id) {
 154             $this->show_form(_('That OpenID does not belong to you.'));
 155             return;
 156         }
 157         $oid->delete();
 158         $this->show_form(_('OpenID removed.'), true);
 159         return;
 160     }
 161 }