public function validateCredentials(Credentials $credentials)
{
// Validate $credentials here, then assign to $claims an array
// containing the JWT claims to associate with the generated token.
// EKW: Successful validation assumed
$tokenId = base64_encode(mcrypt_create_iv(32));
$issuedAt = time();
$notBefore = $issuedAt + 10;
// Adding 10 seconds
$expire = $notBefore + 864000;
// Adding 30 days for example
$serverName = gethostname();
// Retrieve the server name from config file
$data = array(Constants::USER_ID => $credentials->getUserId(), Constants::ROLE => $credentials->getRole());
$claims = array('iat' => $issuedAt, 'jti' => $tokenId, 'iss' => $serverName, 'nbf' => $notBefore, 'exp' => $expire, 'data' => $data);
return $this->generator->getToken($claims);
}
