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<?php |
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namespace Thruster\Component\HttpMiddlewares; |
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use Namshi\JOSE\SimpleJWS; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Thruster\Component\HttpMessage\Response; |
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/** |
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* Class JWTValidatorMiddleware |
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* |
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* @package Thruster\Component\HttpMiddlewares |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class JWTValidatorMiddleware |
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{ |
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/** |
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* @var resource |
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*/ |
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private $publicKey; |
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/** |
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* @var string |
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*/ |
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private $encoder; |
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/** |
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* @var ResponseInterface |
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*/ |
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private $invalidResponse; |
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public function __construct($publicKey, string $encoder = 'RS256', ResponseInterface $invalidResponse = null) |
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{ |
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$this->publicKey = $publicKey; |
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$this->encoder = $encoder; |
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if (null !== $invalidResponse) { |
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$this->invalidResponse = $invalidResponse; |
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} else { |
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$this->invalidResponse = new Response(403); |
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} |
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} |
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public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next) |
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{ |
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if (false === $request->hasHeader('Authorization')) { |
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return $next($request, $response); |
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} |
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$token = $request->getHeaderLine('Authorization'); |
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if (false === strpos($token, 'Bearer ')) { |
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return $this->invalidResponse; |
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} |
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$token = substr($token, 7); |
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/** @var SimpleJWS $jws */ |
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$jws = SimpleJWS::load($token, false); |
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if (false === $jws->isValid($this->publicKey, $this->encoder)) { |
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return $this->invalidResponse; |
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} |
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return $next($request->withAttribute('jwt', $jws->getPayload()), $response); |
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} |
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} |
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ThrusterIO /
http-middlewares
