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<?php |
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namespace Psr7Middlewares\Middleware; |
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use Psr7Middlewares\Utils; |
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use Psr7Middlewares\Middleware; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Middleware to handle php errors and exceptions. |
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*/ |
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class ErrorHandler |
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{ |
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const KEY = 'EXCEPTION'; |
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use Utils\HandlerTrait; |
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/** |
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* @var bool Whether or not catch exceptions |
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*/ |
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private $catchExceptions = false; |
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/** |
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* Returns the exception throwed. |
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* |
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* @param ServerRequestInterface $request |
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* |
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* @return \Exception|null |
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*/ |
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public static function getException(ServerRequestInterface $request) |
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{ |
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return Middleware::getAttribute($request, self::KEY); |
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} |
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/** |
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* Configure the catchExceptions. |
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* |
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* @param bool $catch |
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* |
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* @return self |
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*/ |
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public function catchExceptions($catch = true) |
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{ |
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$this->catchExceptions = (boolean) $catch; |
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return $this; |
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} |
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/** |
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* Execute the middleware. |
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* |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @param callable $next |
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* |
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* @return ResponseInterface |
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*/ |
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public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next) |
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{ |
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ob_start(); |
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try { |
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$response = $next($request, $response); |
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} catch (\Exception $exception) { |
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if (!$this->catchExceptions) { |
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throw $exception; |
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} |
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$request = Middleware::setAttribute($request, self::KEY, $exception); |
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$response = $response->withStatus(500); |
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} |
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ob_end_clean(); |
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if ($response->getStatusCode() >= 400 && $response->getStatusCode() < 600) { |
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return $this->executeHandler($request, $response); |
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} |
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return $response; |
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} |
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} |
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oscarotero /
psr7-middlewares
