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<?php |
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namespace LunixREST\Server; |
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use LunixREST\AccessControl\AccessControl; |
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use LunixREST\Endpoint\EndpointFactory; |
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use LunixREST\Endpoint\Exceptions\UnknownEndpointException; |
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use LunixREST\Exceptions\AccessDeniedException; |
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use LunixREST\Exceptions\InvalidAPIKeyException; |
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use LunixREST\Exceptions\ThrottleLimitExceededException; |
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use LunixREST\Request\Request; |
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use LunixREST\Response\Exceptions\NotAcceptableResponseTypeException; |
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use LunixREST\Response\Response; |
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use LunixREST\Response\ResponseFactory; |
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use LunixREST\Server\Exceptions\MethodNotFoundException; |
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use LunixREST\Throttle\Throttle; |
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//TODO: Unit test |
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class Server { |
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/** |
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* @var AccessControl |
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*/ |
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protected $accessControl; |
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/** |
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* @var Throttle |
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*/ |
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protected $throttle; |
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/** |
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* @var ResponseFactory |
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*/ |
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protected $responseFactory; |
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/** |
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* @var Router |
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*/ |
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private $router; |
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/** |
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* @param AccessControl $accessControl |
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* @param Throttle $throttle |
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* @param ResponseFactory $responseFactory |
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* @param EndpointFactory $endpointFactory |
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*/ |
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public function __construct(AccessControl $accessControl, Throttle $throttle, ResponseFactory $responseFactory, EndpointFactory $endpointFactory){ |
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$this->accessControl = $accessControl; |
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$this->throttle = $throttle; |
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$this->responseFactory = $responseFactory; |
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$this->router = new Router($endpointFactory); |
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} |
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/** |
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* @param Request $request |
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* @return Response |
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* @throws AccessDeniedException |
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* @throws ThrottleLimitExceededException |
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* @throws UnknownEndpointException |
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* @throws MethodNotFoundException |
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* @throws NotAcceptableResponseTypeException |
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*/ |
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public function handleRequest(Request $request): Response { |
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$this->validateKey($request); |
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if($this->throttle->shouldThrottle($request)) { |
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throw new ThrottleLimitExceededException('Request limit exceeded'); |
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} |
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$this->validateAcceptableMIMETypes($request); |
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if(!$this->accessControl->validateAccess($request)) { |
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throw new AccessDeniedException("API key does not have the required permissions to access requested resource"); |
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} |
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$this->throttle->logRequest($request); |
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$responseData = $this->router->route($request); |
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return $this->responseFactory->getResponse($responseData, $request->getAcceptableMIMETypes()); |
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} |
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/** |
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* @param Request $request |
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* @throws InvalidAPIKeyException |
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*/ |
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protected function validateKey(Request $request){ |
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if(!$this->accessControl->validateKey($request->getApiKey())){ |
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throw new InvalidAPIKeyException('Invalid API key'); |
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} |
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} |
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/** |
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* @param Request $request |
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* @throws NotAcceptableResponseTypeException |
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*/ |
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//TODO: Handle wildcards in request MIME types (*/*) |
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protected function validateAcceptableMIMETypes(Request $request) { |
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$formats = $this->responseFactory->getSupportedMIMETypes(); |
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if(empty($formats) || ( |
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!empty($request->getAcceptableMIMETypes()) && empty(array_intersect($request->getAcceptableMIMETypes(), $formats)) |
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)) { |
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throw new NotAcceptableResponseTypeException('None of the requests acceptable response types are valid'); |
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} |
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} |
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} |
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johnvandeweghe /
LunixREST
