auth/shibboleth/index.php

   1 <?php // $Id$
   2       // Designed to be redirected from moodle/login/index.php
   3
   4     require('../../config.php');
   5     require('lib.php');
   6
   7     if (isloggedin() && $USER->username != 'guest') {      // Nothing to do
   8         if (isset($SESSION->wantsurl) and (strpos($SESSION->wantsurl, $CFG->wwwroot) === 0)) {
   9             $urltogo = $SESSION->wantsurl;    /// Because it's an address in this site
  10             unset($SESSION->wantsurl);
  11
  12         } else {
  13             $urltogo = $CFG->wwwroot.'/';      /// Go to the standard home page
  14             unset($SESSION->wantsurl);         /// Just in case
  15         }
  16
  17         redirect($urltogo);
  18     }
  19
  20     $pluginconfig   = get_config('auth/shibboleth');
  21
  22     // Check whether Shibboleth is configured properly
  23     if (empty($pluginconfig->user_attribute)) {
  24         error(get_string( 'shib_not_set_up_error', 'auth'));
  25      }
  26
  27 /// If we can find the Shibboleth attribute, save it in session and return to main login page
  28     if (!empty($_SERVER[$pluginconfig->user_attribute])) {    // Shibboleth auto-login
  29         $frm->username = $_SERVER[$pluginconfig->user_attribute];
  30         $frm->password = substr(base64_encode($_SERVER[$pluginconfig->user_attribute]),0,8);
  31         // The random password consists of the first 8 letters of the base 64 encoded user ID
  32         // This password is never used unless the user account is converted to manual
  33
  34     /// Check if the user has actually submitted login data to us
  35
  36         if ($user = authenticate_user_login($frm->username, $frm->password)) {
  37
  38             // Let's get them all set up.
  39             $USER = $user;
  40
  41             add_to_log(SITEID, 'user', 'login', "view.php?id=$USER->id&course=".SITEID, $USER->id, 0, $USER->id);
  42
  43             update_user_login_times();
  44             set_moodle_cookie($USER->username);
  45             set_login_session_preferences();
  46
  47             if (user_not_fully_set_up($USER)) {
  48                 $urltogo = $CFG->wwwroot.'/user/edit.php?id='.$USER->id.'&amp;course='.SITEID;
  49                 // We don't delete $SESSION->wantsurl yet, so we get there later
  50
  51             } else if (isset($SESSION->wantsurl) and (strpos($SESSION->wantsurl, $CFG->wwwroot) === 0)) {
  52                 $urltogo = $SESSION->wantsurl;    /// Because it's an address in this site
  53                 unset($SESSION->wantsurl);
  54
  55             } else {
  56                 $urltogo = $CFG->wwwroot.'/';      /// Go to the standard home page
  57                 unset($SESSION->wantsurl);         /// Just in case
  58             }
  59
  60             /// Go to my-moodle page instead of homepage if mymoodleredirect enabled
  61             if (!has_capability('moodle/site:config',get_context_instance(CONTEXT_SYSTEM, SITEID)) and !empty($CFG->mymoodleredirect) and !isguest()) {
  62                 if ($urltogo == $CFG->wwwroot or $urltogo == $CFG->wwwroot.'/' or $urltogo == $CFG->wwwroot.'/index.php') {
  63                     $urltogo = $CFG->wwwroot.'/my/';
  64                 }
  65             }
  66
  67             load_all_capabilities();     /// This is what lets the user do anything on the site  :-)
  68
  69             redirect($urltogo);
  70         }
  71     }
  72
  73     // If we can find any (user independent) Shibboleth attributes but no user
  74     // attributes we probably didn't receive any user attributes
  75     elseif (!empty($_SERVER['HTTP_SHIB_APPLICATION_ID'])) {
  76         error(get_string( 'shib_no_attributes_error', 'auth' , '\''.$pluginconfig->user_attribute.'\', \''.$pluginconfig->field_map_firstname.'\', \''.$pluginconfig->field_map_lastname.'\' and \''.$pluginconfig->field_map_email.'\''));
  77     } else {
  78          error(get_string( 'shib_not_set_up_error', 'auth'));
  79     }
  80
  81 ?>