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 //HTTPS is required in this page when $CFG->loginhttps enabled
  19 $PAGE->https_required();
  20
  21 /// Define variables used in page
  22     $site = get_site();
  23
  24     $loginsite = get_string("loginsite");
  25
  26     $loginurl = (!empty($CFG->alternateloginurl)) ? $CFG->alternateloginurl : '';
  27
  28
  29     if (!empty($CFG->registerauth) or is_enabled_auth('none') or !empty($CFG->auth_instructions)) {
  30         $show_instructions = true;
  31     } else {
  32         $show_instructions = false;
  33     }
  34
  35     // Set SAML domain cookie
  36     $config = get_config('auth/shibboleth');
  37
  38
  39     $IdPs = get_idp_list($config->organization_selection);
  40     if (isset($_POST['idp']) && isset($IdPs[$_POST['idp']])){
  41         $selectedIdP = $_POST['idp'];
  42         set_saml_cookie($selectedIdP);
  43
  44         // Redirect to SessionInitiator with entityID as argument
  45         if (isset($IdPs[$selectedIdP][1]) && !empty($IdPs[$selectedIdP][1])) {
  46             // For Shibbolet 1.x Service Providers
  47             header('Location: '.$IdPs[$selectedIdP][1].'?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->httpswwwroot.'/auth/shibboleth/index.php'));
  48
  49             // For Shibbolet 2.x Service Providers
  50             // header('Location: '.$IdPs[$selectedIdP][1].'?entityID='. urlencode($selectedIdP) .'&target='. urlencode($CFG->httpswwwroot.'/auth/shibboleth/index.php'));
  51
  52         } else {
  53             // For Shibbolet 1.x Service Providers
  54             header('Location: /Shibboleth.sso?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->httpswwwroot.'/auth/shibboleth/index.php'));
  55
  56             // For Shibboleth 2.x Service Providers
  57             // header('Location: /Shibboleth.sso/DS?entityID='. urlencode($selectedIdP) .'&target='. urlencode($CFG->httpswwwroot.'/auth/shibboleth/index.php'));
  58         }
  59     } elseif (isset($_POST['idp']) && !isset($IdPs[$_POST['idp']]))  {
  60         $errormsg = get_string('auth_shibboleth_errormsg', 'auth_shibboleth');
  61     }
  62
  63     $loginsite = get_string("loginsite");
  64
  65     $PAGE->set_url('/auth/shibboleth/login.php');
  66     $PAGE->set_context(context_system::instance());
  67     $PAGE->navbar->add($loginsite);
  68     $PAGE->set_title("$site->fullname: $loginsite");
  69     $PAGE->set_heading($site->fullname);
  70
  71     echo $OUTPUT->header();
  72     include("index_form.html");
  73     echo $OUTPUT->footer();
  74
  75