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(_('Already logged in.'));
  30                 } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
  31                         $openid_url = $this->trimmed('openid_url');
  32                         $result = oid_authenticate($openid_url,
  33                                                                            'finishopenidlogin');
  34                         if (is_string($result)) { # error message
  35                                 $this->show_form($result, $openid_url);
  36                         }
  37                 } else {
  38                         $openid_url = oid_get_last();
  39                         $this->show_form(NULL, $openid_url);
  40                 }
  41         }
  42
  43         function get_instructions() {
  44                 return _('Login with an [OpenID](%%doc.openid%%) account.');
  45         }
  46
  47         function show_top($error=NULL) {
  48                 if ($error) {
  49                         common_element('div', array('class' => 'error'), $error);
  50                 } else {
  51                         $instr = $this->get_instructions();
  52                         $output = common_markup_to_html($instr);
  53                         common_element_start('div', 'instructions');
  54                         common_raw($output);
  55                         common_element_end('div');
  56                 }
  57         }
  58
  59         function show_form($error=NULL, $openid_url) {
  60                 common_show_header(_('OpenID Login'), NULL, $error, array($this, 'show_top'));
  61                 $formaction = common_local_url('openidlogin');
  62                 common_element_start('form', array('method' => 'post',
  63                                                                                    'id' => 'openidlogin',
  64                                                                                    'action' => $formaction));
  65                 common_input('openid_url', _('OpenID URL'),
  66                                          $openid_url,
  67                                          _('Your OpenID URL'));
  68                 common_submit('submit', _('Login'));
  69                 common_element_end('form');
  70                 common_show_footer();
  71         }
  72 }