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<?php |
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namespace Mouf\Mvc\Splash\Services; |
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use Mouf\Annotations\URLAnnotation; |
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use Mouf\Mvc\Splash\Utils\SplashException; |
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use Mouf\Reflection\MoufReflectionMethod; |
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use Psr\Http\Message\ResponseInterface; |
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use Mouf\Annotations\paramAnnotation; |
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use Mouf\Reflection\MoufReflectionParameter; |
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use Zend\Diactoros\Response\HtmlResponse; |
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class SplashUtils |
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{ |
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const MODE_WEAK = 'weak'; |
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const MODE_STRICT = 'strict'; |
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public static function buildControllerResponse($callback, $mode = self::MODE_STRICT, $debug = false) |
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{ |
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ob_start(); |
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try { |
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$result = $callback(); |
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} catch (\Exception $e) { |
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ob_end_clean(); |
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// Rethrow and keep stack trace. |
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throw $e; |
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} |
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$html = ob_get_clean(); |
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if (!empty($html) || $mode === self::MODE_WEAK) { |
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if ($mode === self::MODE_WEAK) { |
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$code = http_response_code(); |
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$headers = self::getResponseHeaders(); |
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// Suppress actual headers (re-add by PSR-7 Response) |
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// If you don't remove old headers, it's duplicated in HTTP Headers |
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foreach ($headers as $key => $head) { |
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header_remove($key); |
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} |
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if ($result !== null) { |
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// We might be in weak mode, it is not normal to have both an output and a response! |
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$html = '<h1>Output started in controller. It is not normal to have an output in the controller, and a response returned by the controller. Output detected:</h1>'.$html; |
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$code = 500; |
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} |
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return new HtmlResponse($html, $code, $headers); |
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} else { |
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if ($debug) { |
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$html = '<h1>Output started in controller. A controller should return an object implementing the ResponseInterface rather than outputting directly content. Output detected:</h1>'.$html; |
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return new HtmlResponse($html, 500); |
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} else { |
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throw new SplashException('Output started in Controller : '.$html); |
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} |
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} |
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} |
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if (!$result instanceof ResponseInterface) { |
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if ($result === null) { |
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throw new SplashException('Your controller should return an instance of Psr\\Http\\Message\\ResponseInterface. Your controller did not return any value.'); |
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} else { |
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$class = (gettype($result) == 'object') ? get_class($result) : gettype($result); |
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throw new SplashException('Your controller should return an instance of Psr\\Http\\Message\\ResponseInterface. Type of value returned: '.$class); |
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} |
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} |
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return $result; |
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// TODO: If Symfony Response convert to psr-7 |
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// if ($result instanceof Response) { |
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// if ($html !== "") { |
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// throw new SplashException("You cannot output text AND return Response object in the same action. Output already started :'$html"); |
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// } |
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// |
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// if (headers_sent()) { |
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// $headers = headers_list(); |
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// throw new SplashException("Headers already sent. Detected headers are : ".var_export($headers, true)); |
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// } |
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// |
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// return $result; |
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// } |
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// |
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// $code = http_response_code(); |
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// $headers = SplashUtils::greatResponseHeaders(); |
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// |
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// // Suppress actual headers (re-add by Symfony Response) |
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// // If you don't remove old headers, it's duplicated in HTTP Headers |
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// foreach ($headers as $key => $head) { |
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// header_remove($key); |
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// } |
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// |
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// return new Response($html, $code, $headers); |
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} |
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/** |
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* Same as apache_response_headers (for any server) |
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* @return array |
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*/ |
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private static function getResponseHeaders() { |
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$arh = array(); |
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// headers_list don't return associative array |
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$headers = headers_list(); |
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foreach ($headers as $header) { |
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$header = explode(":", $header); |
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$arh[array_shift($header)] = trim(implode(":", $header)); |
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} |
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return $arh; |
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} |
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} |
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thecodingmachine /
mvc.splash-common
