public function createUnsupportedMediaTypeResponse() : HttpResponse
{
$response = new HttpResponse(Http::UNSUPPORTED_MEDIA_TYPE);
$accepted = [];
foreach ($this->matches as $match) {
foreach ($match->handler->getConsumedMediaTypes() as $type) {
$accepted[(string) $type] = true;
}
}
if ($accepted) {
\ksort($accepted);
$response = $response->withHeader('Content-Type', 'application/json;charset="utf-8"');
$response = $response->withBody(new StringBody(\json_encode(['status' => Http::UNSUPPORTED_MEDIA_TYPE, 'reason' => Http::getReason(Http::UNSUPPORTED_MEDIA_TYPE), 'acceptable' => \array_keys($accepted)], \JSON_UNESCAPED_SLASHES | \JSON_HEX_AMP | \JSON_HEX_APOS | \JSON_HEX_QUOT | \JSON_HEX_TAG)));
}
return $response;
}
/**
* Serialize HTTP headers to be sent in an FCGI record.
*
* @param HttpResponse $response
* @param int $size
* @return string
*/
protected function serializeHeaders(HttpResponse $response, int $size = null) : string
{
$reason = \trim($response->getReasonPhrase());
if ('' === $reason) {
$reason = Http::getReason($response->getStatusCode());
}
$buffer = \sprintf("Status: %03u%s\r\n", $response->getStatusCode(), \rtrim(' ' . $reason));
if ($size !== null) {
$buffer .= "Content-Length: {$size}\r\n";
}
foreach ($response->getHeaders() as $name => $header) {
$name = Http::normalizeHeaderName($name);
foreach ($header as $value) {
$buffer .= $name . ': ' . $value . "\r\n";
}
}
return $buffer;
}
/**
* Serialize HTTP response headers into a string.
*/
protected function serializeHeaders(HttpResponse $response, bool &$close, int $size = null, bool $nobody = false, bool $deferred = false) : string
{
$reason = \trim($response->getReasonPhrase());
if ($reason === '') {
$reason = \trim(Http::getReason($response->getStatusCode()));
}
if (!$response->hasHeader('Connection')) {
$response = $response->withHeader('Connection', $close ? 'close' : 'keep-alive');
}
if (!$close) {
$response = $response->withHeader('Keep-Alive', '30');
}
$buffer = \sprintf("HTTP/%s %u%s\r\n", $response->getProtocolVersion(), $response->getStatusCode(), \rtrim(' ' . $reason));
if (!$nobody) {
if ($deferred) {
$close = true;
} else {
if ((double) $response->getProtocolVersion() > 1) {
if ($size === null) {
$buffer .= "Transfer-Encoding: chunked\r\n";
} else {
$buffer .= "Content-Length: {$size}\r\n";
}
} elseif ($size !== null) {
$buffer .= "Content-Length: {$size}\r\n";
} else {
$close = true;
}
}
}
foreach ($response->getHeaders() as $name => $header) {
$name = Http::normalizeHeaderName($name);
foreach ($header as $value) {
$buffer .= $name . ': ' . $value . "\r\n";
}
}
return $buffer;
}
