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<?php declare(strict_types=1); |
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namespace Limoncello\Passport\Authentication; |
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/** |
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* Copyright 2015-2019 [email protected] |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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use Closure; |
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use Limoncello\Contracts\Application\MiddlewareInterface; |
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use Limoncello\Contracts\Passport\PassportAccountManagerInterface; |
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use Limoncello\Contracts\Settings\SettingsProviderInterface; |
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use Limoncello\Passport\Exceptions\AuthenticationException; |
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use Limoncello\Passport\Package\PassportSettings as S; |
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use Psr\Container\ContainerInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Log\LoggerInterface; |
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use Zend\Diactoros\Response\EmptyResponse; |
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use function assert; |
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use function call_user_func; |
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use function is_callable; |
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use function is_string; |
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use function substr; |
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/** |
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* @package Limoncello\Passport |
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*/ |
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class PassportMiddleware implements MiddlewareInterface |
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{ |
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/** Middleware handler */ |
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const HANDLER = [self::class, self::MIDDLEWARE_METHOD_NAME]; |
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/** |
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* @inheritdoc |
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* |
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* @SuppressWarnings(PHPMD.ElseExpression) |
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*/ |
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public static function handle( |
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ServerRequestInterface $request, |
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Closure $next, |
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ContainerInterface $container |
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): ResponseInterface { |
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$header = $request->getHeader('Authorization'); |
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// if value has Bearer token and it is a valid json with 2 required fields and they are strings |
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3 |
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if (empty($header) === false && |
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substr($value = $header[0], 0, 7) === 'Bearer ' && |
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3 |
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is_string($tokenValue = substr($value, 7)) === true && |
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3 |
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empty($tokenValue) === false |
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) { |
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2 |
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assert($container->has(PassportAccountManagerInterface::class)); |
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/** @var PassportAccountManagerInterface $accountManager */ |
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$accountManager = $container->get(PassportAccountManagerInterface::class); |
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try { |
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$accountManager->setAccountWithTokenValue($tokenValue); |
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} catch (AuthenticationException $exception) { |
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if (($logger = static::getLoggerIfEnabled($container)) !== null) { |
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$logger->info( |
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'Passport authentication failed for a given Bearer token value.', |
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['token' => $tokenValue] |
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); |
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} |
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return static::createAuthenticationFailedResponse($container); |
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} |
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} else { |
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if (($logger = static::getLoggerIfEnabled($container)) !== null) { |
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$logger->debug( |
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'No Bearer token for Passport authentication. The request is not authenticated.' |
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); |
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} |
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} |
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// call next middleware handler |
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return $next($request); |
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} |
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/** |
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* @param ContainerInterface $container |
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* |
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* @return ResponseInterface |
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*/ |
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protected static function createAuthenticationFailedResponse(ContainerInterface $container): ResponseInterface |
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{ |
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/** @var SettingsProviderInterface $provider */ |
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$provider = $container->get(SettingsProviderInterface::class); |
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$settings = $provider->get(S::class); |
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$factory = $settings[S::KEY_FAILED_CUSTOM_UNAUTHENTICATED_FACTORY] ?? null; |
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assert($factory === null || is_callable($factory) === true); |
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$response = $factory === null ? new EmptyResponse(401) : call_user_func($factory); |
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return $response; |
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} |
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/** |
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* @param ContainerInterface $container |
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* |
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* @return null|LoggerInterface |
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*/ |
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protected static function getLoggerIfEnabled(ContainerInterface $container): ?LoggerInterface |
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{ |
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$logger = null; |
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if ($container->has(LoggerInterface::class) === true && |
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$container->get(SettingsProviderInterface::class)->get(S::class)[S::KEY_IS_LOG_ENABLED] === true |
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) { |
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$logger = $container->get(LoggerInterface::class); |
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} |
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return $logger; |
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} |
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} |
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limoncello-php-dist /
passport
