session_start();
}
if (!isset($_SESSION['pending_clef_id']) && !isset($_SESSION['pending_clef_email'])) {
?>
<div class="col-sm-6 alt-options-div">
<div class="clef-div">
<script type="text/javascript" src="https://clef.io/v3/clef.js"
class="clef-button"
data-app-id= <?php
echo CLEF_ID;
?>
data-color="blue"
data-state= <?php
echo generate_state_parameter();
?>
data-redirect-url= <?php
echo CLEF_URL;
?>
data-type="login">
</script>
</div>
</div>
<?php
}
?>
</div> <!-- row ends -->
return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
}
function generate_state_parameter()
{
if (isset($_SESSION['state'])) {
return $_SESSION['state'];
} else {
$state = base64url_encode(openssl_random_pseudo_bytes(32));
$_SESSION['state'] = $state;
return $state;
}
}
if (!session_id()) {
session_start();
}
$state = generate_state_parameter();
?>
<!-- #################################code for clef button#############################-->
<div class="container">
<div class="row">
<div class="col-xs-12 col-sm-4 col-sm-offset-4">
<div class="panel panel-default" style="min-height: 400px;">
<div class="panel-body" style="padding:20px;">
<p class="title">Clef Authentication sample for moodle</p>
<hr><br><br>
<center>
<script src='https://clef.io/v3/clef.js'
class='clef-button'
data-app-id='<?php
