/**
* Check request content-type header to require JSON for methods with payloads.
*
* @param Request $request
* @throws Exception\UnsupportedMediaTypeException
*/
protected function checkContentType(Request $request)
{
// Require application/json Content-Type for certain methods.
$method = strtolower($request->getMethod());
$contentType = $request->getHeader('content-type');
if (in_array($method, ['post', 'put', 'patch']) && !$contentType->match(['application/json', 'multipart/form-data'])) {
$contentType = $request->getHeader('Content-Type');
$errorMessage = sprintf('Invalid Content-Type header. Expecting "application/json", got "%s".', $contentType ? $contentType->getMediaType() : 'none');
throw new Exception\UnsupportedMediaTypeException($errorMessage);
}
}
