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<?php |
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declare(strict_types=1); |
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/* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2014-2018 Spomky-Labs |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace OAuth2Framework\Component\Server\TokenEndpoint\Processor; |
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use OAuth2Framework\Component\Server\Core\Response\OAuth2Exception; |
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use OAuth2Framework\Component\Server\TokenEndpoint\GrantTypeData; |
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use OAuth2Framework\Component\Server\TokenEndpoint\GrantType; |
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use Psr\Http\Message\ServerRequestInterface; |
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final class ProcessorManager |
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{ |
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/** |
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* @var callable |
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*/ |
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private $processors = []; |
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/** |
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* @param callable $processor |
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* |
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* @return ProcessorManager |
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*/ |
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public function add(callable $processor): self |
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{ |
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$this->processors[] = $processor; |
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return $this; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param GrantTypeData $grantTypeData |
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* @param GrantType $grantType |
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* |
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* @return GrantTypeData |
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* |
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* @throws OAuth2Exception |
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*/ |
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public function handle(ServerRequestInterface $request, GrantTypeData $grantTypeData, GrantType $grantType): GrantTypeData |
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{ |
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$grantTypeData = call_user_func($this->resolve(0), $request, $grantTypeData, $grantType); |
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return $grantType->grant($request, $grantTypeData); |
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} |
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/** |
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* @param int $index |
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* |
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* @return callable |
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*/ |
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private function resolve(int $index): callable |
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{ |
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if (!isset($this->processors[$index])) { |
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return function (ServerRequestInterface $request, GrantTypeData $grantTypeData, GrantType $grantType): GrantTypeData { |
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return $grantTypeData; |
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}; |
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} |
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$processor = $this->processors[$index]; |
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return function (ServerRequestInterface $request, GrantTypeData $grantTypeData, GrantType $grantType) use ($processor, $index): GrantTypeData { |
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return $processor($request, $grantTypeData, $grantType, $this->resolve($index + 1)); |
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}; |
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} |
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} |
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This check looks from parameters that have been defined for a function or method, but which are not used in the method body.