gistfile1.php

<?php

// Check for token
if (empty($_REQUEST['jwt'])) {
  return drupal_not_found();
}

// Load token
$payload = $_REQUEST['jwt'];

// Get credentials
$client_id = variable_get('strutta_jwt_client_id', '****');
$secret    = variable_get('strutta_jwt_secret',    '****');

// Decode JWT token
try {
  $json = JWT::decode($payload, $secret);
}
catch (Exception $e) {
  drupal_set_message($e);
  return drupal_not_found();
}