actions/openidsettings.php

   1 <?php
   2 /**
   3  * StatusNet, the distributed open-source microblogging tool
   4  *
   5  * Settings for OpenID
   6  *
   7  * PHP version 5
   8  *
   9  * LICENCE: This program is free software: you can redistribute it and/or modify
  10  * it under the terms of the GNU Affero General Public License as published by
  11  * the Free Software Foundation, either version 3 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU Affero General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Affero General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  * @category  Settings
  23  * @package   StatusNet
  24  * @author    Evan Prodromou <evan@status.net>
  25  * @copyright 2008-2009 StatusNet, Inc.
  26  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  27  * @link      http://status.net/
  28  */
  29
  30 if (!defined('STATUSNET') && !defined('LACONICA')) {
  31     exit(1);
  32 }
  33
  34 require_once INSTALLDIR.'/lib/accountsettingsaction.php';
  35 require_once INSTALLDIR.'/lib/openid.php';
  36
  37 /**
  38  * Settings for OpenID
  39  *
  40  * Lets users add, edit and delete OpenIDs from their account
  41  *
  42  * @category Settings
  43  * @package  StatusNet
  44  * @author   Evan Prodromou <evan@status.net>
  45  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  46  * @link     http://status.net/
  47  */
  48
  49 class OpenidsettingsAction extends AccountSettingsAction
  50 {
  51     /**
  52      * Title of the page
  53      *
  54      * @return string Page title
  55      */
  56
  57     function title()
  58     {
  59         return _('OpenID settings');
  60     }
  61
  62     /**
  63      * Instructions for use
  64      *
  65      * @return string Instructions for use
  66      */
  67
  68     function getInstructions()
  69     {
  70         return _('[OpenID](%%doc.openid%%) lets you log into many sites' .
  71                  ' with the same user account.'.
  72                  ' Manage your associated OpenIDs from here.');
  73     }
  74
  75     function showScripts()
  76     {
  77         parent::showScripts();
  78         $this->autofocus('openid_url');
  79     }
  80
  81     /**
  82      * Show the form for OpenID management
  83      *
  84      * We have one form with a few different submit buttons to do different things.
  85      *
  86      * @return void
  87      */
  88
  89     function showContent()
  90     {
  91         if (!common_config('openid', 'enabled')) {
  92             $this->element('div', array('class' => 'error'),
  93                            _('OpenID is not available.'));
  94             return;
  95         }
  96
  97         $user = common_current_user();
  98
  99         $this->elementStart('form', array('method' => 'post',
 100                                           'id' => 'form_settings_openid_add',
 101                                           'class' => 'form_settings',
 102                                           'action' =>
 103                                           common_local_url('openidsettings')));
 104         $this->elementStart('fieldset', array('id' => 'settings_openid_add'));
 105         $this->element('legend', null, _('Add OpenID'));
 106         $this->hidden('token', common_session_token());
 107         $this->element('p', 'form_guide',
 108                        _('If you want to add an OpenID to your account, ' .
 109                          'enter it in the box below and click "Add".'));
 110         $this->elementStart('ul', 'form_data');
 111         $this->elementStart('li');
 112         $this->element('label', array('for' => 'openid_url'),
 113                        _('OpenID URL'));
 114         $this->element('input', array('name' => 'openid_url',
 115                                       'type' => 'text',
 116                                       'id' => 'openid_url'));
 117         $this->elementEnd('li');
 118         $this->elementEnd('ul');
 119         $this->element('input', array('type' => 'submit',
 120                                       'id' => 'settings_openid_add_action-submit',
 121                                       'name' => 'add',
 122                                       'class' => 'submit',
 123                                       'value' => _('Add')));
 124         $this->elementEnd('fieldset');
 125         $this->elementEnd('form');
 126
 127         $oid = new User_openid();
 128
 129         $oid->user_id = $user->id;
 130
 131         $cnt = $oid->find();
 132
 133         if ($cnt > 0) {
 134
 135             $this->element('h2', null, _('Remove OpenID'));
 136
 137             if ($cnt == 1 && !$user->password) {
 138
 139                 $this->element('p', 'form_guide',
 140                                _('Removing your only OpenID '.
 141                                  'would make it impossible to log in! ' .
 142                                  'If you need to remove it, '.
 143                                  'add another OpenID first.'));
 144
 145                 if ($oid->fetch()) {
 146                     $this->elementStart('p');
 147                     $this->element('a', array('href' => $oid->canonical),
 148                                    $oid->display);
 149                     $this->elementEnd('p');
 150                 }
 151
 152             } else {
 153
 154                 $this->element('p', 'form_guide',
 155                                _('You can remove an OpenID from your account '.
 156                                  'by clicking the button marked "Remove".'));
 157                 $idx = 0;
 158
 159                 while ($oid->fetch()) {
 160                     $this->elementStart('form',
 161                                         array('method' => 'POST',
 162                                               'id' => 'form_settings_openid_delete' . $idx,
 163                                               'class' => 'form_settings',
 164                                               'action' =>
 165                                               common_local_url('openidsettings')));
 166                     $this->elementStart('fieldset');
 167                     $this->hidden('token', common_session_token());
 168                     $this->element('a', array('href' => $oid->canonical),
 169                                    $oid->display);
 170                     $this->element('input', array('type' => 'hidden',
 171                                                   'id' => 'openid_url'.$idx,
 172                                                   'name' => 'openid_url',
 173                                                   'value' => $oid->canonical));
 174                     $this->element('input', array('type' => 'submit',
 175                                                   'id' => 'remove'.$idx,
 176                                                   'name' => 'remove',
 177                                                   'class' => 'submit remove',
 178                                                   'value' => _('Remove')));
 179                     $this->elementEnd('fieldset');
 180                     $this->elementEnd('form');
 181                     $idx++;
 182                 }
 183             }
 184         }
 185     }
 186
 187     /**
 188      * Handle a POST request
 189      *
 190      * Muxes to different sub-functions based on which button was pushed
 191      *
 192      * @return void
 193      */
 194
 195     function handlePost()
 196     {
 197         // CSRF protection
 198         $token = $this->trimmed('token');
 199         if (!$token || $token != common_session_token()) {
 200             $this->showForm(_('There was a problem with your session token. '.
 201                               'Try again, please.'));
 202             return;
 203         }
 204
 205         if ($this->arg('add')) {
 206             $result = oid_authenticate($this->trimmed('openid_url'),
 207                                        'finishaddopenid');
 208             if (is_string($result)) { // error message
 209                 $this->showForm($result);
 210             }
 211         } else if ($this->arg('remove')) {
 212             $this->removeOpenid();
 213         } else {
 214             $this->showForm(_('Something weird happened.'));
 215         }
 216     }
 217
 218     /**
 219      * Handles a request to remove an OpenID from the user's account
 220      *
 221      * Validates input and, if everything is OK, deletes the OpenID.
 222      * Reloads the form with a success or error notification.
 223      *
 224      * @return void
 225      */
 226
 227     function removeOpenid()
 228     {
 229         $openid_url = $this->trimmed('openid_url');
 230
 231         $oid = User_openid::staticGet('canonical', $openid_url);
 232
 233         if (!$oid) {
 234             $this->showForm(_('No such OpenID.'));
 235             return;
 236         }
 237         $cur = common_current_user();
 238         if (!$cur || $oid->user_id != $cur->id) {
 239             $this->showForm(_('That OpenID does not belong to you.'));
 240             return;
 241         }
 242         $oid->delete();
 243         $this->showForm(_('OpenID removed.'), true);
 244         return;
 245     }
 246 }