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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Auth\Middleware; |
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use Psr\Http\Message\ResponseFactoryInterface; |
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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 Yiisoft\Auth\AuthenticationMethodInterface; |
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use Yiisoft\Auth\Handler\AuthenticationFailureHandler; |
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use Yiisoft\Strings\StringHelper; |
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/** |
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* Authentication middleware tries to authenticate and identity using request data. |
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* If identity is found, it is set to request attribute allowing further middleware to obtain and use it. |
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* If identity is not found failure handler is called. By default it is {@see AuthenticationFailureHandler}. |
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*/ |
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final class Authentication implements MiddlewareInterface |
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{ |
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private AuthenticationMethodInterface $authenticationMethod; |
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/** |
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* @var RequestHandlerInterface A handler that is called when there is a failure authenticating an identity. |
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*/ |
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private RequestHandlerInterface $failureHandler; |
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private array $optional = []; |
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public function __construct( |
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AuthenticationMethodInterface $authenticationMethod, |
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ResponseFactoryInterface $responseFactory, |
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RequestHandlerInterface $authenticationFailureHandler = null |
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) { |
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$this->authenticationMethod = $authenticationMethod; |
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$this->failureHandler = $authenticationFailureHandler ?? new AuthenticationFailureHandler( |
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$responseFactory |
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); |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$identity = $this->authenticationMethod->authenticate($request); |
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$request = $request->withAttribute(self::class, $identity); |
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if ($identity === null && !$this->isOptional($request)) { |
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return $this->authenticationMethod->challenge( |
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$this->failureHandler->handle($request) |
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); |
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} |
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return $handler->handle($request); |
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} |
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public function withOptional(array $optional): self |
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{ |
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$new = clone $this; |
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$new->optional = $optional; |
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return $new; |
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} |
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/** |
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* Checks, whether authentication is optional for the given action. |
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*/ |
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private function isOptional(ServerRequestInterface $request): bool |
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{ |
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$path = $request->getUri()->getPath(); |
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foreach ($this->optional as $pattern) { |
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if (StringHelper::matchWildcard($pattern, $path)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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yiisoft /
auth
