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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) 2014-2019 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\SecurityBundle\Security; |
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use OAuth2Framework\Component\Core\AccessToken\AccessToken; |
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use OAuth2Framework\SecurityBundle\Security\Authentication\Token\OAuth2Token; |
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use Symfony\Component\ExpressionLanguage\ExpressionFunction; |
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use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface; |
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final class ExpressionLanguageProvider implements ExpressionFunctionProviderInterface |
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{ |
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/** |
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* @return ExpressionFunction[] |
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*/ |
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public function getFunctions(): array |
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{ |
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return [ |
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new ExpressionFunction('has_oauth2_scope', static function ($scope) { |
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return sprintf('in_array(%s, $scopes)', $scope); |
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}, static function (array $variables, $scope) { |
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$accessToken = self::getAccessToken($variables); |
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if (null === $accessToken) { |
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return false; |
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} |
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return self::hasScope($accessToken, $scope); |
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}), |
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]; |
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} |
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private static function hasScope(AccessToken $accessToken, string $scope): bool |
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{ |
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$parameters = $accessToken->getParameter(); |
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if (!$parameters->has('scope')) { |
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return false; |
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} |
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$availableScope = $parameters->get('scope'); |
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if (!\is_string($availableScope)) { |
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return false; |
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} |
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$availableScopes = explode(' ', $availableScope); |
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return \in_array($scope, $availableScopes, true); |
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} |
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private static function getSecurityToken(array $variables): ?OAuth2Token |
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{ |
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$securityToken = $variables['token'] ?? null; |
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if (!$securityToken instanceof OAuth2Token) { |
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return null; |
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} |
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return $securityToken; |
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} |
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private static function getAccessToken(array $variables): ?AccessToken |
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{ |
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$securityToken = self::getSecurityToken($variables); |
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if (null === $securityToken) { |
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return null; |
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} |
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return $securityToken->getAccessToken(); |
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} |
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} |
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OAuth2-Framework /
oauth2-framework
