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<?php |
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declare(strict_types=1); |
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namespace UMA\Psr7Hmac\Psr15; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use UMA\Psr7Hmac\Verifier; |
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final class HmacMiddleware implements MiddlewareInterface |
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{ |
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/** |
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* @var KeyProviderInterface |
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*/ |
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private $keyProvider; |
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/** |
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* @var SecretProviderInterface |
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*/ |
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private $secretProvider; |
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/** |
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* @var RequestHandlerInterface |
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*/ |
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private $noKeyHandler; |
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/** |
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* @var RequestHandlerInterface |
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*/ |
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private $noSecretHandler; |
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/** |
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* @var RequestHandlerInterface |
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*/ |
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private $badSigHandler; |
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/** |
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* @var Verifier |
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*/ |
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private $hmacVerifier; |
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public function __construct( |
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KeyProviderInterface $keyProvider, |
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SecretProviderInterface $secretProvider, |
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RequestHandlerInterface $noKeyHandler, |
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RequestHandlerInterface $noSecretHandler, |
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RequestHandlerInterface $badSigHandler |
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) |
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{ |
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$this->keyProvider = $keyProvider; |
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4 |
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$this->secretProvider = $secretProvider; |
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4 |
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$this->noKeyHandler = $noKeyHandler; |
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$this->noSecretHandler = $noSecretHandler; |
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$this->badSigHandler = $badSigHandler; |
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4 |
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$this->hmacVerifier = new Verifier(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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if (null === $key = $this->keyProvider->getKeyFrom($request)) { |
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return $this->noKeyHandler->handle($request); |
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} |
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3 |
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if (null === $secret = $this->secretProvider->getSecretFor($key)) { |
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return $this->noSecretHandler->handle($request); |
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} |
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if (false === $this->hmacVerifier->verify($request, $secret)) { |
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return $this->badSigHandler->handle($request); |
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} |
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1 |
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return $handler->handle($request); |
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} |
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} |
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1ma /
Psr7Hmac
