/**
* Check if the given response payload should be compressed.
*
* @param HttpRequest $request
* @param HttpResponse $response
* @return bool
*/
protected function isCompressable(HttpRequest $request, HttpResponse $response) : bool
{
if ($request->getMethod() === Http::HEAD) {
return false;
}
if ($response->getBody() instanceof DeferredBody || Http::isResponseWithoutBody($response->getStatusCode())) {
return false;
}
if ($response->hasHeader('Content-Encoding') || !$response->hasHeader('Content-Type')) {
return false;
}
try {
$media = $response->getContentType()->getMediaType();
} catch (InvalidMediaTypeException $e) {
return false;
}
if (isset($this->types[(string) $media])) {
return true;
}
foreach ($media->getSubTypes() as $sub) {
if (isset($this->subTypes[$sub])) {
return true;
}
}
return false;
}