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<?php |
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declare(strict_types = 1); |
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namespace HnrAzevedo\Router; |
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use HnrAzevedo\Http\Factory; |
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use HnrAzevedo\Http\ServerRequest; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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trait MiddlewareTrait |
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{ |
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use Helper, |
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CurrentTrait, |
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RunInTrait; |
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protected array $globalMiddlewares = []; |
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protected ServerRequest $serverRequest; |
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protected array $currentMiddlewares = []; |
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public static function globalMiddlewares(?array $middlewares = null): array |
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{ |
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if(null !== $middlewares) { |
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foreach($middlewares as $middleware){ |
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if(!class_exists($middleware)) { |
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throw new \RuntimeException("Middleware class {$middleware} not exists"); |
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} |
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} |
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self::getInstance()->setGlobalMiddlewares($middlewares); |
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} |
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return self::getInstance()->getGlobalMiddlewares(); |
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} |
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protected function getGlobalMiddlewares(): array |
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{ |
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return $this->globalMiddlewares; |
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} |
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protected function setGlobalMiddlewares(array $middlewares): void |
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{ |
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$this->globalMiddlewares = $middlewares; |
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} |
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public static function middleware(array $middlewares): RouterInterface |
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{ |
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$route = self::getInstance()->inSave(); |
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$route['middlewares'] = (is_array($route['middlewares'])) ? array_merge($route['middlewares'], $middlewares) : $middlewares; |
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self::getInstance()->updateRoute($route, array_key_last(self::getInstance()->getRoutes())); |
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return self::getInstance(); |
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} |
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public static function groupMiddlewares(array $middlewares, ?array $excepts = null): RouterInterface |
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{ |
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$excepts = (is_array($excepts)) ? $excepts : []; |
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$group = self::getInstance()->inSave()['group']; |
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foreach(self::getInstance()->getRoutes() as $r => $route){ |
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if($route['group'] !== $group || in_array($route['name'], $excepts)) { |
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continue; |
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} |
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$route['middlewares'] = array_merge($route['middlewares'], $middlewares); |
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self::getInstance()->updateRoute($route, $r); |
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} |
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return self::getInstance(); |
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} |
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private static function existMiddleware(string $name): void |
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{ |
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if(!class_exists($name) && !array_key_exists($name, self::$globalMiddlewares)) { |
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throw new \RuntimeException("Middleware {$name} does not exist"); |
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} |
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} |
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protected function handleMiddlewares(): void |
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{ |
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$factory = new Factory(); |
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$requestMethod = (isset($_REQUEST['REQUEST_METHOD'])) ? $_REQUEST['REQUEST_METHOD'] : $_SERVER['REQUEST_METHOD']; |
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$this->serverRequest = (!isset($this->serverRequest)) ? $factory->createServerRequest($requestMethod, unserialize($this->current()['uri']), ['route' => $this->current()]) : $this->serverRequest; |
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foreach ($this->current()['middlewares'] as $middleware){ |
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$this->currentMiddlewares[] = (class_exists($middleware)) ? new $middleware() : new $this->globalMiddlewares[$middleware](); |
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} |
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$this->process( |
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$this->serverRequest, new class implements RequestHandlerInterface { |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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return (new Factory())->createResponse(200); |
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} |
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} |
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); |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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if(!$this->getInstance()->loaded()) { |
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$this->getInstance()->load(); |
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} |
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$route = $this->getInstance()->current(); |
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if(!empty($route)) { |
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$route['action'] = function () { |
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$this->getInstance()->executeBefore(); |
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$this->getInstance()->executeRouteAction(unserialize($this->getInstance()->current()['action'])); |
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$this->getInstance()->executeAfter(); |
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}; |
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} |
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return $this->next($handler)->handle($request->withAttribute('route', $route)); |
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} |
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private function next(RequestHandlerInterface $defaultHandler): RequestHandlerInterface |
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{ |
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return new class ($this->currentMiddlewares, $defaultHandler) implements RequestHandlerInterface { |
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private RequestHandlerInterface $handler; |
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private array $pipeline; |
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public function __construct(array $pipeline, RequestHandlerInterface $handler) |
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{ |
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$this->handler = $handler; |
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$this->pipeline = $pipeline; |
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} |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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if (!$middleware = array_shift($this->pipeline)) { |
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return $this->handler->handle($request); |
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} |
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$next = clone $this; |
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$this->pipeline = []; |
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return $middleware->process($request, $next); |
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} |
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}; |
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} |
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} |
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hnrazevedo /
Router
