actions/openidlogin.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/openid.php');
  23
  24 class OpenidloginAction extends Action {
  25
  26         function handle($args) {
  27                 parent::handle($args);
  28                 if (common_logged_in()) {
  29                         common_user_error(_t('Already logged in.'));
  30                 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  31                         $result = oid_authenticate($this->trimmed('openid_url'),
  32                                                                            'finishopenidlogin');
  33                         if (is_string($result)) { # error message
  34                                 $this->show_form($result);
  35                         }
  36                 } else {
  37                         $this->show_form();
  38                 }
  39         }
  40
  41         function show_top($error=NULL) {
  42                 if ($error) {
  43                         common_element('div', array('class' => 'error'), $error);
  44                 } else {
  45                         common_element('div', 'instructions',
  46                                                    _t('Login with an OpenID account.'));
  47                 }
  48         }
  49
  50         function show_form($error=NULL) {
  51                 common_show_header(_t('OpenID Login'), NULL, $error, array($this, 'show_top'));
  52                 $formaction = common_local_url('openidlogin');
  53                 common_element_start('form', array('method' => 'POST',
  54                                                                                    'id' => 'openidlogin',
  55                                                                                    'action' => $formaction));
  56                 common_input('openid_url', _t('OpenID URL'));
  57                 common_submit('submit', _t('Login'));
  58                 common_element_end('form');
  59                 common_show_footer();
  60         }
  61 }