add compression flag option for http request

handler/http/handler.go

@@ -107,6 +107,7 @@ func (h *httpHandler) Init(md md.Metadata) error {
 		IdleConnTimeout:       30 * time.Second,
 		ResponseHeaderTimeout: h.md.readTimeout,
 		DisableKeepAlives:     !h.md.keepalive,
+		DisableCompression:    !h.md.compression,
 	}
 
 	return nil
@@ -627,7 +628,11 @@ func (h *httpHandler) proxyRoundTrip(ctx context.Context, rw io.ReadWriter, req
 		return
 	}
 
-	return resp.Close, nil
+	if resp.ContentLength >= 0 {
+		close = resp.Close
+	}
+
+	return
 }
 
 func (h *httpHandler) dial(ctx context.Context, network, addr string) (conn net.Conn, err error) {

handler/http/metadata.go

@@ -22,6 +22,7 @@ const (
 type metadata struct {
 	readTimeout     time.Duration
 	keepalive       bool
+	compression     bool
 	probeResistance *probeResistance
 	enableUDP       bool
 	header          http.Header
@@ -55,10 +56,8 @@ func (h *httpHandler) parseMetadata(md mdata.Metadata) error {
 		h.md.header = hd
 	}
 
-	h.md.keepalive = true
-	if mdutil.IsExists(md, "http.keepalive", "keepalive") {
-		h.md.keepalive = mdutil.GetBool(md, "http.keepalive", "keepalive")
-	}
+	h.md.keepalive = mdutil.GetBool(md, "http.keepalive", "keepalive")
+	h.md.compression = mdutil.GetBool(md, "http.compression", "compression")
 
 	if pr := mdutil.GetString(md, "probeResist", "probe_resist"); pr != "" {
 		if ss := strings.SplitN(pr, ":", 2); len(ss) == 2 {

handler/tunnel/handler.go

@@ -98,6 +98,7 @@ func (h *tunnelHandler) Init(md md.Metadata) (err error) {
 		IdleConnTimeout:       30 * time.Second,
 		ResponseHeaderTimeout: h.md.entryPointReadTimeout,
 		DisableKeepAlives:     !h.md.entryPointKeepalive,
+		DisableCompression:    !h.md.entryPointCompression,
 	}
 
 	for _, ro := range h.options.Recorders {

handler/tunnel/metadata.go

@@ -26,6 +26,7 @@ type metadata struct {
 	entryPointID                relay.TunnelID
 	entryPointProxyProtocol     int
 	entryPointKeepalive         bool
+	entryPointCompression       bool
 	entryPointReadTimeout       time.Duration
 	sniffingWebsocket           bool
 	sniffingWebsocketSampleRate float64
@@ -45,10 +46,8 @@ func (h *tunnelHandler) parseMetadata(md mdata.Metadata) (err error) {
 	h.md.entryPointID = parseTunnelID(mdutil.GetString(md, "entrypoint.id"))
 	h.md.entryPointProxyProtocol = mdutil.GetInt(md, "entrypoint.ProxyProtocol")
 
-	h.md.entryPointKeepalive = true
-	if mdutil.IsExists(md, "entrypoint.keepalive") {
-		h.md.entryPointKeepalive = mdutil.GetBool(md, "entrypoint.keepalive")
-	}
+	h.md.entryPointKeepalive = mdutil.GetBool(md, "entrypoint.keepalive")
+	h.md.entryPointCompression = mdutil.GetBool(md, "entrypoint.compression")
 
 	h.md.entryPointReadTimeout = mdutil.GetDuration(md, "entrypoint.readTimeout")
 	if h.md.entryPointReadTimeout <= 0 {

internal/util/forwarder/sniffer.go

@@ -530,7 +530,11 @@ func (h *Sniffer) httpRoundTrip(ctx context.Context, rw, cc io.ReadWriter, node
 		return
 	}
 
-	return resp.Close, nil
+	if resp.ContentLength >= 0 {
+		close = resp.Close
+	}
+
+	return
 }
 
 func upgradeType(h http.Header) string {

internal/util/sniffing/sniffer.go

@@ -393,7 +393,11 @@ func (h *Sniffer) httpRoundTrip(ctx context.Context, rw, cc io.ReadWriter, req *
 		return
 	}
 
-	return resp.Close, nil
+	if resp.ContentLength >= 0 {
+		close = resp.Close
+	}
+
+	return
 }
 
 func upgradeType(h http.Header) string {