auth/shibboleth/login.php

   1 <?php // $Id$
   2
   3
   4     require_once("../../config.php");
   5     require_once($CFG->dirroot."/auth/shibboleth/auth.php");
   6
   7     //initialize variables
   8     $errormsg = '';
   9
  10 /// Check for timed out sessions
  11     if (!empty($SESSION->has_timed_out)) {
  12         $session_has_timed_out = true;
  13         $SESSION->has_timed_out = false;
  14     } else {
  15         $session_has_timed_out = false;
  16     }
  17
  18
  19 //HTTPS is potentially required in this page
  20 httpsrequired();
  21
  22 /// Define variables used in page
  23     if (!$site = get_site()) {
  24         error("No site found!");
  25     }
  26
  27     if (empty($CFG->langmenu)) {
  28         $langmenu = "";
  29     } else {
  30         $currlang = current_language();
  31         $langs    = get_list_of_languages();
  32         $langlabel = get_accesshide(get_string('language'));
  33         $langmenu = popup_form ("$CFG->httpswwwroot/login/index.php?lang=", $langs, "chooselang", $currlang, "", "", "", true, 'self', $langlabel);
  34     }
  35
  36     $loginsite = get_string("loginsite");
  37
  38     $loginurl = (!empty($CFG->alternateloginurl)) ? $CFG->alternateloginurl : '';
  39
  40
  41     if (get_moodle_cookie() == '') {
  42         set_moodle_cookie('nobody');   // To help search for cookies
  43     }
  44
  45     if (!empty($CFG->registerauth) or is_enabled_auth('none') or !empty($CFG->auth_instructions)) {
  46         $show_instructions = true;
  47     } else {
  48         $show_instructions = false;
  49     }
  50
  51     // Set SAML domain cookie
  52     $config = get_config('auth/shibboleth');
  53
  54
  55     $IdPs = get_idp_list($config->organization_selection);
  56     if (isset($_POST['idp']) && isset($IdPs[$_POST['idp']])){
  57         $selectedIdP = $_POST['idp'];
  58         set_saml_cookie($selectedIdP);
  59
  60         // Redirect to SessionInitiator with providerId as argument
  61         if (isset($IdPs[$selectedIdP][1]) && !empty($IdPs[$selectedIdP][1])){
  62             header('Location: '.$IdPs[$selectedIdP][1].'?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
  63         } else {
  64             header('Location: /Shibboleth.sso?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
  65         }
  66     } elseif (isset($_POST['idp']) && !isset($IdPs[$_POST['idp']]))  {
  67         $errormsg = get_string('auth_shibboleth_errormsg', 'auth');
  68     }
  69
  70     $loginsite = get_string("loginsite");
  71     $navlinks = array(array('name' => $loginsite, 'link' => null, 'type' => 'misc'));
  72     $navigation = build_navigation($navlinks);
  73     $focus = 'idp';
  74     print_header("$site->fullname: $loginsite", $site->fullname, $navigation, $focus,
  75                  '', true, '<div class="langmenu">'.$langmenu.'</div>');
  76
  77     include("index_form.html");
  78     print_footer();
  79
  80 ?>