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<?php
/**
* File: Verifier.php
*
* @author Maciej Sławik <[email protected]>
* Github: https://github.com/maciejslawik
*/
namespace MSlwk\Jwt\Handler;
use MSlwk\Jwt\Api\VerifierInterface;
* Class Verifier
* @package MSlwk\Jwt\Handler
class Verifier extends AbstractHandler implements VerifierInterface
{
* @param string $token
* @return bool
public function verifyToken(string $token): bool
if (!$this->verifyTokenStructure($token)) {
return false;
}
$tokenParts = $this->divideToken($token);
$receivedHeader = $tokenParts[0];
$receivedPayload = $tokenParts[1];
$receivedSignature = $tokenParts[2];
$calculatedSignature = $this->calculateSignature($receivedHeader, $receivedPayload);
return $calculatedSignature === $receivedSignature;
protected function divideToken(string $token): array
return explode('.', $token);
protected function verifyTokenStructure(string $token): bool
return count($this->divideToken($token)) === 3;
maciejslawik /
jwt
