/**
* {@inheritdoc}
*/
public function checkElement(DigestDataInterface $digest_data)
{
$opaque = base64_encode(hash_hmac($this->hash_algorithm, $digest_data->get('nonce') . $digest_data->get('realm'), $this->hash_key, true));
if ($opaque !== $digest_data->get('opaque')) {
throw new \InvalidArgumentException('Invalid "opaque" value.');
}
}
/**
* {@inheritdoc}
*/
public function checkElement(DigestDataInterface $digest_data)
{
if (false === $digest_data->has('nonce')) {
throw new \InvalidArgumentException('Missing mandatory digest value: "nonce".');
}
if (false === ($nonceAsPlainText = base64_decode($digest_data->get('nonce')))) {
throw new \InvalidArgumentException(sprintf('Nonce is not encoded in Base64; received nonce "%s".', $digest_data->get('nonce')));
}
$nonceTokens = explode(':', $nonceAsPlainText);
if (2 !== count($nonceTokens)) {
throw new \InvalidArgumentException(sprintf('Nonce should have yielded two tokens but was "%s".', $nonceAsPlainText));
}
$nonce_expiry_time = $nonceTokens[0];
$signature = $nonceTokens[1];
$this->checkSignature($nonce_expiry_time, $signature);
$this->checkExpired($nonce_expiry_time);
}
/**
* {@inheritdoc}
*/
public function checkElement(DigestDataInterface $digest_data)
{
if ($this->realm !== $digest_data->get('realm')) {
throw new \InvalidArgumentException(sprintf('Response realm name "%s" does not match system realm name of "%s".', $digest_data->get('realm'), $this->realm));
}
}
/**
* @param \HttpDigest\DigestDataInterface $digest_data
* @param bool $is_sess
*
* @return \HttpDigest\Algorithm\AlgorithmInterface
*/
private function getAlgorithm(DigestDataInterface $digest_data, &$is_sess)
{
$algorithm_name = $digest_data->has('algorithm') ? $digest_data->get('algorithm') : 'MD5';
if ('-sess' === substr($algorithm_name, 0, -5)) {
$is_sess = true;
$algorithm_name = substr($algorithm_name, 0, strlen($algorithm_name) - 5);
} else {
$is_sess = false;
}
return $this->getSchemeAlgorithm($algorithm_name);
}
private function checkSubElement(DigestDataInterface $digest_data, $element)
{
if (!$digest_data->has($element)) {
throw new \InvalidArgumentException(sprintf('Missing mandatory digest value "%s".', $element));
}
}
/**
* {@inheritdoc}
*/
public function checkElement(DigestDataInterface $digest_data)
{
if ($keys = array_diff(['realm', 'nonce', 'uri', 'response', 'opaque'], $digest_data->all())) {
throw new \InvalidArgumentException(sprintf('Missing mandatory digest value(s): %s.', implode(', ', $keys)));
}
}
private function checkUsername(DigestDataInterface $digest_data)
{
if (!$digest_data->has('username')) {
throw new \InvalidArgumentException('Missing mandatory digest value "username".');
}
}
