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<?php |
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declare(strict_types=1); |
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namespace WebServCo\Api; |
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use WebServCo\Framework\Exceptions\NotImplementedException; |
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use WebServCo\Framework\Exceptions\Validation\RequiredArgumentException; |
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use WebServCo\Framework\Interfaces\RequestInterface; |
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abstract class AbstractSecurity |
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{ |
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/** |
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* Allowed methods. |
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* |
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* @var array<int,string> |
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*/ |
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protected array $allowedMethods; |
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/** |
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* Client "Accept" content types. |
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* |
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* @var array<string,string> |
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*/ |
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protected array $acceptContentTypes; |
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/** |
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* Supported content types |
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* |
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* @var array<int,string> |
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*/ |
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protected array $supportedContentTypes; |
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protected RequestInterface $request; |
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abstract public function verifyAuthorization(): bool; |
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public function __construct(RequestInterface $request) |
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{ |
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$this->allowedMethods = []; |
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$this->supportedContentTypes = []; |
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$this->request = $request; |
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$this->acceptContentTypes = $this->request->getAcceptContentTypes(); |
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if (!\array_key_exists('q=0', $this->acceptContentTypes)) { |
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return; |
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} |
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// $q == 0 means that mime-type isn’t supported! |
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unset($this->acceptContentTypes['q=0']); |
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} |
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public function verify(): bool |
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{ |
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$this->verifySsl(); |
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$this->verifyMethod(); |
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$this->verifyContentType(); |
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return true; |
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} |
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/** |
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* @return array<string,string> |
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*/ |
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public function getClientContentTypes(): array |
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{ |
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return $this->acceptContentTypes; |
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} |
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/** |
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* @param array<int,string> $allowedMethods |
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*/ |
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public function setAllowedMethods(array $allowedMethods): bool |
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{ |
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$this->allowedMethods = $allowedMethods; |
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return true; |
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} |
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/** |
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* @param array<int,string> $supportedContentTypes |
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*/ |
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public function setSupportedContentTypes(array $supportedContentTypes): bool |
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{ |
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$this->supportedContentTypes = $supportedContentTypes; |
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return true; |
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} |
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protected function verifyContentType(): bool |
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{ |
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if (empty($this->supportedContentTypes)) { |
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throw new RequiredArgumentException('Missing supported content types'); |
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} |
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if (empty($this->acceptContentTypes)) { |
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throw new RequiredArgumentException('Missing Accept content type'); |
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} |
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$intersection = \array_intersect($this->acceptContentTypes, $this->supportedContentTypes); |
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if (empty($intersection)) { |
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throw new \WebServCo\Framework\Exceptions\UnsupportedMediaTypeException('Unsupported Accept content type'); |
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} |
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return true; |
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} |
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protected function verifyMethod(): bool |
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{ |
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if (empty($this->allowedMethods)) { |
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throw new NotImplementedException('Method not implemented'); |
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} |
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if (!\in_array($this->request->getMethod(), $this->allowedMethods, true)) { |
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throw new \WebServCo\Framework\Exceptions\MethodNotAllowedException('Unsupported method'); |
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} |
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return true; |
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} |
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protected function verifySsl(): bool |
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{ |
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$schema = $this->request->getSchema(); |
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if ('https' !== $schema) { |
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throw new \WebServCo\Framework\Exceptions\SslRequiredException('SSL required'); |
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} |
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return true; |
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} |
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} |
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