plugins/CasAuthentication/caslogin.php

   1 <?php
   2 /*
   3  * StatusNet - the distributed open-source microblogging tool
   4  * Copyright (C) 2008, 2009, StatusNet, 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('STATUSNET') && !defined('LACONICA')) { exit(1); }
  21
  22 class CasloginAction extends Action
  23 {
  24     function handle($args)
  25     {
  26         parent::handle($args);
  27         if (common_is_real_login()) {
  28             $this->clientError(_m('Already logged in.'));
  29         } else {
  30             global $casSettings;
  31             phpCAS::client(CAS_VERSION_2_0,$casSettings['server'],$casSettings['port'],$casSettings['path'],false);
  32             phpCAS::setNoCasServerValidation();
  33             phpCAS::handleLogoutRequests();
  34             phpCAS::forceAuthentication();
  35             global $casTempPassword;
  36             $casTempPassword = common_good_rand(16);
  37             $user = common_check_user(phpCAS::getUser(), $casTempPassword);
  38             if (!$user) {
  39                 $this->serverError(_m('Incorrect username or password.'));
  40                 return;
  41             }
  42
  43             // success!
  44             if (!common_set_user($user)) {
  45                 $this->serverError(_m('Error setting user. You are probably not authorized.'));
  46                 return;
  47             }
  48
  49             common_real_login(true);
  50
  51             $url = common_get_returnto();
  52
  53             if ($url) {
  54                 // We don't have to return to it again
  55                 common_set_returnto(null);
  56             } else {
  57                 if(common_config('site', 'private') && $casSettings['takeOverLogin']) {
  58                     //SSO users expect to just go to the URL they entered
  59                     //if we don't have a returnto set, the user entered the
  60                     //main StatusNet url, so send them there.
  61                     $url = common_local_url('public');
  62                 } else {
  63                     //With normal logins (regular form-based username/password),
  64                     //the user would expect to go to their home after logging in.
  65                     $url = common_local_url('public',
  66                                         array('nickname' =>
  67                                               $user->nickname));
  68                 }
  69             }
  70
  71             common_redirect($url, 303);
  72         }
  73     }
  74 }