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<?php |
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namespace Jasny\ErrorHandler; |
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use Jasny\ErrorHandler; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Jasny\HttpMessage\Response as JasnyResponse; |
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/** |
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* Use error handler as middleware |
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*/ |
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class Middleware |
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{ |
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/** |
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* @var ErrorHandler |
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*/ |
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protected $errorHandler; |
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/** |
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* Class constructor |
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* |
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* @param ErrorHandler $errorHandler |
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*/ |
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public function __construct(ErrorHandler $errorHandler) |
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{ |
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$this->errorHandler = $errorHandler; |
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} |
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/** |
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* Run middleware action |
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* |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @param callback $next |
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* @return ResponseInterface |
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*/ |
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public function __invoke(ServerRequestInterface $request, ResponseInterface $response, $next) |
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{ |
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if (!is_callable($next)) { |
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throw new \InvalidArgumentException("'next' should be a callback"); |
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} |
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try { |
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$nextResponse = $next($request, $response); |
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$error = null; |
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} catch (\Error $e) { |
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$error = $e; |
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} catch (\Exception $e) { |
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$error = $e; |
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} |
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$this->errorHandler->setError($error); |
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if ($error) { |
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$this->errorHandler->log($error); |
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$nextResponse = $this->errorResponse($request, $response); |
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} |
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return $nextResponse; |
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} |
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/** |
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* Handle caught error |
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* |
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* @param ServerRequestInterface $request |
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* @param ResponseInterface $response |
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* @return ResponseInterface |
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*/ |
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protected function errorResponse(ServerRequestInterface $request, ResponseInterface $response) |
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{ |
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if ($response instanceof JasnyResponse && $response->isStale()) { |
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$response = $response->revive(); |
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} |
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$errorResponse = $response->withProtocolVersion($request->getProtocolVersion())->withStatus(500); |
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$errorResponse->getBody()->write('An unexpected error occured'); |
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return $errorResponse; |
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} |
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} |
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jasny /
error-handler
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