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<?php |
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declare(strict_types=1); |
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namespace Piotzkhider\FirebaseAuthenticationModule\Guard; |
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use Aura\Web\Request; |
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use BEAR\Resource\ResourceObject; |
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use Koriym\HttpConstants\ResponseHeader; |
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use Koriym\HttpConstants\StatusCode; |
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use Kreait\Firebase; |
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use Kreait\Firebase\Auth\UserRecord; |
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use Lcobucci\JWT\Token; |
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use Piotzkhider\FirebaseAuthenticationModule\Exception\AuthenticationException; |
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use Piotzkhider\FirebaseAuthenticationModule\Exception\IDTokenNotFound; |
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use Piotzkhider\FirebaseAuthenticationModule\Exception\InvalidToken; |
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use Piotzkhider\FirebaseAuthenticationModule\IDTokenExtractor\IDTokenExtractorResolver; |
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class Authenticator implements AuthenticatorInterface |
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{ |
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/** |
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* @var Firebase |
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*/ |
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protected $firebase; |
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/** |
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* @var IDTokenExtractorResolver |
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*/ |
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private $resolver; |
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public function __construct(Firebase $firebase, IDTokenExtractorResolver $resolver) |
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{ |
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$this->firebase = $firebase; |
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$this->resolver = $resolver; |
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} |
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public function getCredentials(Request $request): Token |
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{ |
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$extractor = $this->resolver->resolve($request); |
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$idToken = $extractor->extract($request); |
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try { |
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return $this->firebase->getAuth()->verifyIdToken($idToken); |
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} catch (\Firebase\Auth\Token\Exception\InvalidToken $e) { |
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throw new InvalidToken($e->getMessage()); |
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} |
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} |
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public function getUser(Token $token): UserRecord |
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{ |
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$uidClaim = $token->getClaim('sub'); |
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return $this->firebase->getAuth()->getUser($uidClaim); |
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} |
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public function onAuthenticationFailure(ResourceObject $caller, AuthenticationException $e): ResourceObject |
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{ |
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if ($e instanceof IDTokenNotFound) { |
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$caller->code = StatusCode::UNAUTHORIZED; |
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$caller->headers[ResponseHeader::WWW_AUTHENTICATE] = sprintf( |
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'Bearer realm="token_required",error="token_not_found",error_description="%s"', |
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$e->getMessage() |
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); |
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return $caller; |
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} |
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if ($e instanceof InvalidToken) { |
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$caller->code = StatusCode::UNAUTHORIZED; |
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$caller->headers[ResponseHeader::WWW_AUTHENTICATE] = sprintf( |
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'Bearer realm="token_required",error="invalid_token",error_description="%s"', |
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$e->getMessage() |
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); |
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return $caller; |
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} |
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throw $e; |
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} |
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} |
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piotzkhider /
BEAR.FirebaseAuthenticationModule
