Viewing file:  authpage.php (2.98 KB) -rw-r--r--
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<?php
/**
* This page serves as a dummy login page.
*
* Note that we don't actually validate the user in this example. This page
* just serves to make the example work out of the box.
*
* @package simpleSAMLphp
* @version $Id$
*/
if (!isset($_REQUEST['ReturnTo'])) {
die('Missing ReturnTo parameter.');
}
$returnTo = $_REQUEST['ReturnTo'];
/*
* The following piece of code would never be found in a real authentication page. Its
* purpose in this example is to make this example safer in the case where the
* administrator of * the IdP leaves the exampleauth-module enabled in a production
* environment.
*
* What we do here is to extract the $state-array identifier, and check that it belongs to
* the exampleauth:External process.
*/
if (!preg_match('@State=(.*)@', $returnTo, $matches)) {
die('Invalid ReturnTo URL for this example.');
}
$stateId = urldecode($matches[1]);
SimpleSAML_Auth_State::loadState($stateId, 'exampleauth:External');
/*
* The loadState-function will not return if the second parameter does not
* match the parameter passed to saveState, so by now we know that we arrived here
* through the exampleauth:External authentication page.
*/
/*
* Our list of users.
*/
$users = array(
'student' => array(
'password' => 'student',
'uid' => 'student',
'name' => 'Student Name',
'mail' => 'somestudent@example.org',
'type' => 'student',
),
'admin' => array(
'password' => 'admin',
'uid' => 'admin',
'name' => 'Admin Name',
'mail' => 'someadmin@example.org',
'type' => 'employee',
),
);
/*
* Time to handle login responses.
* Since this is a dummy example, we accept any data.
*/
$badUserPass = FALSE;
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$username = (string)$_REQUEST['username'];
$password = (string)$_REQUEST['password'];
if (!isset($users[$username]) || $users[$username]['password'] !== $password) {
$badUserPass = TRUE;
} else {
$user = $users[$username];
if (!session_id()) {
/* session_start not called before. Do it here. */
session_start();
}
$_SESSION['uid'] = $user['uid'];
$_SESSION['name'] = $user['name'];
$_SESSION['mail'] = $user['mail'];
$_SESSION['type'] = $user['type'];
header('Location: ' . $returnTo);
exit();
}
}
/*
* If we get this far, we need to show the login page to the user.
*/
?><!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>exampleauth login page</title>
</head>
<body>
<h1>exampleauth login page</h1>
<p>In this example you can log in with two accounts: <code>student</code> and <code>admin</code>. In both cases, the password is the same as the username.</p>
<?php if ($badUserPass) { ?>
<p>Bad username or password.</p>
<?php } ?>
<form method="post" action="?">
<p>
Username:
<input type="text" name="username">
</p>
<p>
Password:
<input type="text" name="password">
</p>
<input type="hidden" name="ReturnTo" value="<?php echo htmlspecialchars($returnTo); ?>">
<p><input type="submit" value="Log in"></p>
</form>
</body>
</html>
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