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<?php |
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namespace Kartenmacherei\RestFramework\Router; |
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use Kartenmacherei\RestFramework\Request\Request; |
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use Kartenmacherei\RestFramework\Request\UnauthorizedException; |
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use Kartenmacherei\RestFramework\RestResource\RestResource; |
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abstract class AbstractResourceRouter implements ResourceRouter |
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{ |
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/** |
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* @var ResourceRouter |
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*/ |
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private $next; |
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/** |
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* @var Acl |
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*/ |
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private $acl; |
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/** |
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* @var RestResource[] |
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*/ |
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private $resources = []; |
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/** |
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* @param Acl $acl |
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*/ |
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public function __construct(Acl $acl = null) |
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{ |
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$this->acl = $acl; |
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} |
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/** |
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* @param RestResource $resource |
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*/ |
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public function addResource(RestResource $resource) |
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{ |
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$this->resources[] = $resource; |
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} |
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/** |
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* @param Request $request |
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* @return RestResource |
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* @throws NoMoreRoutersException |
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*/ |
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public function route(Request $request): RestResource |
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{ |
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if ($this->canRoute($request)) { |
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$this->protect($request); |
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return $this->doRoute($request); |
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} |
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if (null !== $this->next) { |
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return $this->next->route($request); |
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} |
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throw new NoMoreRoutersException(); |
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} |
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/** |
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* @param Request $request |
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* @throws UnauthorizedException |
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*/ |
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private function protect(Request $request) |
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{ |
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if (null === $this->acl || $request->isOptionsRequest()) { |
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return; |
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} |
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if (!$this->acl->complies($request)) { |
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throw new UnauthorizedException(); |
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} |
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} |
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/** |
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* @return RestResource[] |
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*/ |
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protected function getResources() |
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{ |
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return $this->resources; |
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} |
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/** |
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* @param ResourceRouter $router |
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*/ |
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public function setNext(ResourceRouter $router) |
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{ |
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$this->next = $router; |
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} |
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/** |
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* @param Request $request |
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* @return bool |
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*/ |
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abstract protected function canRoute(Request $request): bool; |
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/** |
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* @param Request $request |
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* @return RestResource |
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* @throws NoMoreRoutersException |
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*/ |
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protected function doRoute(Request $request): RestResource |
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{ |
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foreach ($this->getResources() as $resource) { |
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if ($resource->isIdentifiedBy($request->getUri())) { |
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return $resource; |
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} |
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} |
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throw new NoMoreRoutersException(); |
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} |
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} |
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kartenmacherei /
rest-framework
