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