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<?php |
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declare(strict_types=1); |
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namespace HttpSoft\ErrorHandler; |
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use HttpSoft\Response\HtmlResponse; |
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use HttpSoft\Response\JsonResponse; |
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use HttpSoft\Response\TextResponse; |
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use HttpSoft\Response\XmlResponse; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Throwable; |
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use function array_key_exists; |
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use function array_keys; |
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use function explode; |
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use function preg_match; |
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use function strtolower; |
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use function trim; |
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use function uasort; |
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final class ErrorResponseGenerator implements ErrorResponseGeneratorInterface |
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{ |
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/** |
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* {@inheritDoc} |
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*/ |
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64 |
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public function generate(Throwable $error, ServerRequestInterface $request): ResponseInterface |
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{ |
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64 |
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$errorCode = (int) $error->getCode(); |
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64 |
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$responseCode = self::STATUS_INTERNAL_SERVER_ERROR; |
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64 |
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if (array_key_exists($errorCode, self::ERROR_PHRASES)) { |
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$responseCode = $errorCode; |
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} |
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64 |
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$requestMimeTypes = $this->getSortedMimeTypesByRequest($request); |
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return $this->getResponse($responseCode, self::ERROR_PHRASES[$responseCode], $requestMimeTypes); |
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} |
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/** |
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* @param int $code |
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* @param string $message |
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* @param string[] $mimeTypes |
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* @return ResponseInterface |
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*/ |
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private function getResponse(int $code, string $message, array $mimeTypes): ResponseInterface |
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{ |
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64 |
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foreach ($mimeTypes as $mimeType) { |
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if ($mimeType === 'text/html' || $mimeType === '*/*') { |
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1 |
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return $this->getHtmlResponse($code, $message); |
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} |
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if ($mimeType === 'text/plain') { |
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return new TextResponse("Error {$code} - {$message}", $code); |
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} |
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if ($mimeType === 'application/json') { |
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return new JsonResponse(['name' => 'Error', 'code' => $code, 'message' => $message], $code); |
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} |
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3 |
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if ($mimeType === 'application/xml' || $mimeType === 'text/xml') { |
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$xml = '<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>'; |
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$xml .= "\n<error>\n<code>{$code}</code>\n<message>{$message}</message>\n</error>"; |
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return new XmlResponse($xml, $code); |
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} |
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} |
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return $this->getHtmlResponse($code, $message); |
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} |
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/** |
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* @param int $code |
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* @param string $message |
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* @return HtmlResponse |
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*/ |
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private function getHtmlResponse(int $code, string $message): HtmlResponse |
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{ |
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$title = "Error {$code} - {$message}"; |
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$html = '<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><title>' . $title . '</title></head>'; |
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$html .= '<body style="padding:20px 10px"><h1 style="text-align:center">' . $title . '</h1></body></html>'; |
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return new HtmlResponse($html, $code); |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @return string[] |
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*/ |
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private function getSortedMimeTypesByRequest(ServerRequestInterface $request): array |
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{ |
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if (!$acceptParameters = $request->getHeaderLine('accept')) { |
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return []; |
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} |
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$mimeTypes = []; |
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foreach (explode(',', $acceptParameters) as $acceptParameter) { |
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$parts = explode(';', $acceptParameter); |
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if (!isset($parts[0]) || isset($mimeTypes[$parts[0]]) || !($mimeType = strtolower(trim($parts[0])))) { |
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2 |
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continue; |
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} |
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51 |
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if (!isset($parts[1])) { |
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$mimeTypes[$mimeType] = 1.0; |
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continue; |
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} |
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if (preg_match('/^\s*q=\s*(0(?:\.\d{1,3})?|1(?:\.0{1,3})?)\s*$/i', $parts[1], $matches)) { |
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$mimeTypes[$mimeType] = (float) ($matches[1] ?? 1.0); |
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} |
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} |
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uasort($mimeTypes, static fn(float $a, float $b) => ($a === $b) ? 0 : ($a > $b ? -1 : 1)); |
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return array_keys($mimeTypes); |
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} |
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} |
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httpsoft /
http-error-handler
