/**
* {@inheritDoc}
*/
public function decode($token)
{
// split token into header and data sections
$token = $this->delegate->decode($token);
$header = substr($token, 0, self::HEADER_LENGTH);
$data = substr($token, self::HEADER_LENGTH);
// unpack and verify expiration date
$unpacked = unpack('Nexpires', $header);
$expires = new \DateTime('@' . $unpacked['expires']);
$now = new \DateTime();
if ($expires <= $now) {
throw new TokenException('Token is expired', $token);
}
return $data;
}
/**
* {@inheritDoc}
*/
public function decode($token)
{
$token = $this->delegate->decode($token);
// disregard header section
return substr($token, self::HEADER_LENGTH);
}
