auth/shibboleth/login.php

   1 <?php
   2
   3     require_once("../../config.php");
   4     require_once($CFG->dirroot."/auth/shibboleth/auth.php");
   5
   6     //initialize variables
   7     $errormsg = '';
   8
   9 /// Check for timed out sessions
  10     if (!empty($SESSION->has_timed_out)) {
  11         $session_has_timed_out = true;
  12         $SESSION->has_timed_out = false;
  13     } else {
  14         $session_has_timed_out = false;
  15     }
  16
  17
  18 /// Define variables used in page
  19     $site = get_site();
  20
  21     $loginsite = get_string("loginsite");
  22
  23     $loginurl = (!empty($CFG->alternateloginurl)) ? $CFG->alternateloginurl : '';
  24
  25     $config = get_config('auth_shibboleth');
  26     if (!empty($CFG->registerauth) or is_enabled_auth('none') or !empty($config->auth_instructions)) {
  27         $show_instructions = true;
  28     } else {
  29         $show_instructions = false;
  30     }
  31
  32     $IdPs = get_idp_list($config->organization_selection);
  33     if (isset($_POST['idp']) && isset($IdPs[$_POST['idp']])){
  34         $selectedIdP = $_POST['idp'];
  35         set_saml_cookie($selectedIdP);
  36
  37         // Redirect to SessionInitiator with entityID as argument
  38         if (isset($IdPs[$selectedIdP][1]) && !empty($IdPs[$selectedIdP][1])) {
  39             // For Shibbolet 1.x Service Providers
  40             header('Location: '.$IdPs[$selectedIdP][1].'?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
  41
  42             // For Shibbolet 2.x Service Providers
  43             // header('Location: '.$IdPs[$selectedIdP][1].'?entityID='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
  44
  45         } else {
  46             // For Shibbolet 1.x Service Providers
  47             header('Location: /Shibboleth.sso?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
  48
  49             // For Shibboleth 2.x Service Providers
  50             // header('Location: /Shibboleth.sso/DS?entityID='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
  51         }
  52     } elseif (isset($_POST['idp']) && !isset($IdPs[$_POST['idp']]))  {
  53         $errormsg = get_string('auth_shibboleth_errormsg', 'auth_shibboleth');
  54     }
  55
  56     $loginsite = get_string("loginsite");
  57
  58     $PAGE->set_url('/auth/shibboleth/login.php');
  59     $PAGE->set_context(context_system::instance());
  60     $PAGE->navbar->add($loginsite);
  61     $PAGE->set_title("$site->fullname: $loginsite");
  62     $PAGE->set_heading($site->fullname);
  63
  64     echo $OUTPUT->header();
  65     include("index_form.html");
  66     echo $OUTPUT->footer();
  67
  68