From 78117f38bc1ef08438b6000869f7371301178f57 Mon Sep 17 00:00:00 2001
From: exe-cutor <exe-cutor>
Date: Fri, 1 Feb 2008 08:30:17 +0000
Subject: [PATCH] Added integrated Shibboleth WAYF service on alternative login
 page Updated README

---
 auth/shibboleth/index_form.html | 99 +++++++++++++++++++++++++++++++++
 auth/shibboleth/login.php       | 80 ++++++++++++++++++++++++++
 2 files changed, 179 insertions(+)
 create mode 100644 auth/shibboleth/index_form.html
 create mode 100644 auth/shibboleth/login.php

diff --git a/auth/shibboleth/index_form.html b/auth/shibboleth/index_form.html
new file mode 100644
index 0000000000..4a65883038
--- /dev/null
+++ b/auth/shibboleth/index_form.html
@@ -0,0 +1,99 @@
+<?php
+$config = get_config('auth/shibboleth');
+
+if ($show_instructions) {
+    $columns = 'twocolumns';
+} else {
+    $columns = 'onecolumn';
+}
+?>
+<div class="loginbox clearfix <?php echo $columns ?>">
+  <div class="loginpanel">
+    <!--<h2><?php print_string("returningtosite") ?></h2>-->
+    
+    <h2><?php 
+        if (isset($config->login_name) && !empty($config->login_name)){
+            echo $config->login_name;
+        } else {
+            print_string("auth_shibboleth_login_long", "auth");
+        }
+    ?></h2>
+      <div class="subcontent loginsub">
+        <div class="desc">
+        <?php
+          if (!empty($errormsg)) {
+              echo '<div class="loginerrors">';
+              formerr($errormsg);
+              echo '</div>';
+          }
+
+        ?>
+          <div class="guestsub">
+          <p><?php print_string("auth_shibboleth_select_organization", "auth"); ?></p>
+            <form action="login.php" method="post" id="guestlogin">
+            <select name="idp"> 
+                <option value="-" ><?php print_string("auth_shibboleth_select_member", "auth"); ?></option>
+                <?php
+                    print_idp_list();
+                ?>
+            </select><p><input type="submit" value="<?php print_string("select"); ?>" accesskey="s" /></p>
+            </form>
+            <p>
+            <?php 
+                print_string("auth_shibboleth_contact_administrator", "auth"); 
+                echo '<a href="mailto:'.get_admin()->email.'"> Moodle Administrator</a>.';
+            ?>
+            </p>
+          </div>
+         </div>
+      </div>
+
+<?php if ($CFG->guestloginbutton) {  ?>
+      <div class="subcontent guestsub">
+        <div class="desc">
+          <?php print_string("someallowguest") ?>
+        </div>
+        <form action="../../login/index.php" method="post" id="guestlogin">
+          <div class="guestform">
+            <input type="hidden" name="username" value="guest" />
+            <input type="hidden" name="password" value="guest" />
+            <input type="hidden" name="testcookies" value="1" />
+            <input type="submit" value="<?php print_string("loginguest") ?>" />
+          </div>
+        </form>
+      </div>
+<?php } ?>
+     </div>
+
+
+<?php if ($show_instructions) { ?>
+    <div class="signuppanel">
+      <h2><?php print_string("firsttime") ?></h2>
+      <div class="subcontent">
+<?php     if (is_enabled_auth('none')) { // instructions override the rest for security reasons 
+              print_string("loginstepsnone");
+          } else if ($CFG->registerauth == 'email') {
+              if (!empty($CFG->auth_instructions)) {
+                  echo format_text($CFG->auth_instructions);
+              } else {
+                  print_string("loginsteps", "", "signup.php");
+              } ?>
+                 <div class="signupform">
+                   <form action="../../login/signup.php" method="get" id="signup">
+                   <div><input type="submit" value="<?php print_string("startsignup") ?>" /></div>
+                   </form>
+                 </div>
+<?php     } else if (!empty($CFG->registerauth)) {
+              echo format_text($CFG->auth_instructions); ?>
+              <div class="signupform">
+                <form action="../../login/signup.php" method="get" id="signup">
+                <div><input type="submit" value="<?php print_string("startsignup") ?>" /></div>
+                </form>
+              </div>
+<?php     } else {
+              echo format_text($CFG->auth_instructions);
+          } ?>
+      </div>
+    </div>
+<?php } ?>
+</div>
diff --git a/auth/shibboleth/login.php b/auth/shibboleth/login.php
new file mode 100644
index 0000000000..32c1478120
--- /dev/null
+++ b/auth/shibboleth/login.php
@@ -0,0 +1,80 @@
+<?php // $Id$
+
+
+    require_once("../../config.php");
+    require_once($CFG->dirroot."/auth/shibboleth/auth.php");
+    
+    //initialize variables
+    $errormsg = '';
+
+/// Check for timed out sessions
+    if (!empty($SESSION->has_timed_out)) {
+        $session_has_timed_out = true;
+        $SESSION->has_timed_out = false;
+    } else {
+        $session_has_timed_out = false;
+    }
+
+
+//HTTPS is potentially required in this page
+httpsrequired();
+
+/// Define variables used in page
+    if (!$site = get_site()) {
+        error("No site found!");
+    }
+
+    if (empty($CFG->langmenu)) {
+        $langmenu = "";
+    } else {
+        $currlang = current_language();
+        $langs    = get_list_of_languages();
+        $langlabel = get_accesshide(get_string('language'));
+        $langmenu = popup_form ("$CFG->httpswwwroot/login/index.php?lang=", $langs, "chooselang", $currlang, "", "", "", true, 'self', $langlabel);
+    }
+
+    $loginsite = get_string("loginsite");
+
+    $loginurl = (!empty($CFG->alternateloginurl)) ? $CFG->alternateloginurl : '';
+
+
+    if (get_moodle_cookie() == '') {   
+        set_moodle_cookie('nobody');   // To help search for cookies
+    }
+
+    if (!empty($CFG->registerauth) or is_enabled_auth('none') or !empty($CFG->auth_instructions)) {
+        $show_instructions = true;
+    } else {
+        $show_instructions = false;
+    }
+
+    // Set SAML domain cookie
+    $config = get_config('auth/shibboleth');
+    
+
+    $IdPs = get_idp_list($config->organization_selection);
+    if (isset($_POST['idp']) && isset($IdPs[$_POST['idp']])){
+        $selectedIdP = $_POST['idp'];
+        set_saml_cookie($selectedIdP);
+        
+        // Redirect to SessionInitiator with providerId as argument
+        if (isset($IdPs[$selectedIdP][1]) && !empty($IdPs[$selectedIdP][1])){
+            header('Location: '.$IdPs[$selectedIdP][1].'?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
+        } else {
+            header('Location: /Shibboleth.sso?providerId='. urlencode($selectedIdP) .'&target='. urlencode($CFG->wwwroot.'/auth/shibboleth/index.php'));
+        }
+    } elseif (isset($_POST['idp']) && !isset($IdPs[$_POST['idp']]))  {
+        $errormsg = get_string('auth_shibboleth_errormsg', 'auth');
+    }
+
+    $loginsite = get_string("loginsite");
+    $navlinks = array(array('name' => $loginsite, 'link' => null, 'type' => 'misc'));
+    $navigation = build_navigation($navlinks);
+    $focus = 'idp';
+    print_header("$site->fullname: $loginsite", $site->fullname, $navigation, $focus,
+                 '', true, '<div class="langmenu">'.$langmenu.'</div>');
+
+    include("index_form.html");
+    print_footer();
+
+?>
-- 
2.39.5