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<?php |
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declare(strict_types=1); |
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namespace Shlinkio\Shlink\Rest\Authentication\Plugin; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Shlinkio\Shlink\Rest\Authentication\JWTServiceInterface; |
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use Shlinkio\Shlink\Rest\Exception\VerifyAuthenticationException; |
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use Shlinkio\Shlink\Rest\Util\RestUtils; |
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use Throwable; |
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use Zend\I18n\Translator\TranslatorInterface; |
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use function count; |
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use function explode; |
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use function sprintf; |
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use function strtolower; |
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class AuthorizationHeaderPlugin implements AuthenticationPluginInterface |
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{ |
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public const HEADER_NAME = 'Authorization'; |
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/** |
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* @var JWTServiceInterface |
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*/ |
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private $jwtService; |
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/** |
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* @var TranslatorInterface |
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*/ |
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private $translator; |
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public function __construct(JWTServiceInterface $jwtService, TranslatorInterface $translator) |
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{ |
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$this->jwtService = $jwtService; |
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$this->translator = $translator; |
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} |
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/** |
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* @throws VerifyAuthenticationException |
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*/ |
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public function verify(ServerRequestInterface $request): void |
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{ |
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// Get token making sure the an authorization type is provided |
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$authToken = $request->getHeaderLine(self::HEADER_NAME); |
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$authTokenParts = explode(' ', $authToken); |
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if (count($authTokenParts) === 1) { |
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throw VerifyAuthenticationException::withError( |
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RestUtils::INVALID_AUTHORIZATION_ERROR, |
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sprintf( |
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$this->translator->translate('You need to provide the Bearer type in the %s header.'), |
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self::HEADER_NAME |
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) |
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); |
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} |
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// Make sure the authorization type is Bearer |
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[$authType, $jwt] = $authTokenParts; |
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if (strtolower($authType) !== 'bearer') { |
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throw VerifyAuthenticationException::withError( |
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RestUtils::INVALID_AUTHORIZATION_ERROR, |
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sprintf($this->translator->translate( |
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'Provided authorization type %s is not supported. Use Bearer instead.' |
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), $authType) |
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); |
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} |
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try { |
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if (! $this->jwtService->verify($jwt)) { |
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throw $this->createInvalidTokenError(); |
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} |
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} catch (Throwable $e) { |
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throw $this->createInvalidTokenError($e); |
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} |
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} |
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private function createInvalidTokenError(Throwable $prev = null): VerifyAuthenticationException |
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{ |
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return VerifyAuthenticationException::withError( |
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RestUtils::INVALID_AUTH_TOKEN_ERROR, |
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sprintf($this->translator->translate( |
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'Missing or invalid auth token provided. Perform a new authentication request and send provided ' |
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. 'token on every new request on the %s header' |
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), self::HEADER_NAME), |
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$prev |
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); |
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} |
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public function update(ServerRequestInterface $request, ResponseInterface $response): ResponseInterface |
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{ |
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$authToken = $request->getHeaderLine(self::HEADER_NAME); |
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[, $jwt] = explode(' ', $authToken); |
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$jwt = $this->jwtService->refresh($jwt); |
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return $response->withHeader(self::HEADER_NAME, sprintf('Bearer %s', $jwt)); |
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} |
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} |
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shlinkio /
shlink
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.