Method contentMiddleware

objectnode/api_middleware.go:198–207

ContentMiddleware returns a middleware handler to process reader for content. If the request contains the "X-amz-Decoded-Content-Length" header, it means that the data in the request body is chunked. Use ChunkedReader to parse the data.

(next http.Handler)

// If the request contains the "X-amz-Decoded-Content-Length" header, it means that the data
// in the request body is chunked. Use ChunkedReader to parse the data.
func (o *ObjectNode) contentMiddleware(next http.Handler) http.Handler {
	var handlerFunc http.HandlerFunc = func(w http.ResponseWriter, r *http.Request) {
		if r.Header.Get(XAmzDecodedContentLength) != "" && r.Header.Get(ContentEncoding) != streamingContentEncoding {
			r.Body = NewClosableChunkedReader(r.Body)
			log.LogDebugf("contentMiddleware: chunk reader inited: requestID(%v)", GetRequestID(r))
		}
		next.ServeHTTP(w, r)
	}
	return handlerFunc
}

// Http's Expect header is a special header. When nginx is used as the reverse proxy in the front
// end of ObjectNode, nginx will process the Expect header information in advance, send the http