<?php
declare(strict_types=1);
namespace ParagonIE\Paseto\Rules;
use ParagonIE\Paseto\{
JsonToken,
ValidationRuleInterface
};
use ParagonIE\Paseto\Exception\PasetoException;
/**
* Class IdentifiedBy
* @package ParagonIE\Paseto\Rules
*/
class IdentifiedBy implements ValidationRuleInterface
{
/** @var string $failure */
protected $failure = 'OK';
/** @var string $issuer */
protected $id;
/**
* IdentifiedBy constructor.
* @param string $id
*/
public function __construct(string $id)
{
$this->id = $id;
}
/**
* @return string
*/
public function getFailureMessage(): string
{
return $this->failure;
}
/**
* @param JsonToken $token
* @return bool
*/
public function isValid(JsonToken $token): bool
{
try {
$jti = $token->getJti();
if (!\hash_equals($this->id, $jti)) {
$this->failure = 'This token was expected to be identified by ' .
$this->id . ', but it was identified by ' .
$jti .' instead.';
return false;
}
} catch (PasetoException $ex) {
$this->failure = $ex->getMessage();
return false;
}
return true;
}
}
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