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