Refine

proxy/blackhole/blackhole.go

@@ -2,7 +2,9 @@
 package blackhole
 
 import (
+	"bytes"
 	"context"
+	"net/http"
 	"time"
 
 	"github.com/xtls/xray-core/common"
@@ -21,6 +23,16 @@ type Handler struct {
 	response []byte
 }
 
+var http403response = http.Response{
+	StatusCode: 403,
+	ProtoMajor: 1,
+	ProtoMinor: 1,
+	Header: http.Header{
+		"Connection":    {"close"},
+		"Cache-Control": {"max-age=3600, public"},
+	},
+}
+
 // New creates a new blackhole handler.
 func New(ctx context.Context, config *Config) (*Handler, error) {
 	response := []byte{}
@@ -28,7 +40,9 @@ func New(ctx context.Context, config *Config) (*Handler, error) {
 		switch config.Response.Type {
 		case "", "none":
 		case "http":
-			response = http403response
+			var data bytes.Buffer
+			common.Must(http403response.Write(&data))
+			response = data.Bytes()
 		case "custom":
 			response = config.Response.CustomResponseData
 		default:

proxy/blackhole/blackhole_test.go

@@ -1,8 +1,11 @@
 package blackhole_test
 
 import (
+	"bufio"
+	"bytes"
 	"context"
 	"crypto/rand"
+	"net/http"
 	"testing"
 
 	"github.com/xtls/xray-core/common"
@@ -22,22 +25,22 @@ func TestBlackholeHTTPResponse(t *testing.T) {
 
 	reader, writer := pipe.New(pipe.WithoutSizeLimit())
 
-	var mb buf.MultiBuffer
-	var rerr error
+	dataCh := make(chan buf.MultiBuffer, 1)
 	go func() {
-		b, e := reader.ReadMultiBuffer()
-		mb = b
-		rerr = e
+		mb := common.Must2(reader.ReadMultiBuffer())
+		dataCh <- mb
 	}()
-
 	link := transport.Link{
 		Reader: reader,
 		Writer: writer,
 	}
 	common.Must(handler.Process(ctx, &link, nil))
-	common.Must(rerr)
-	if mb.IsEmpty() {
-		t.Error("expect http response, but nothing")
+	mb := <-dataCh
+	data := make([]byte, mb.Len())
+	mb.Copy(data)
+	resp := common.Must2(http.ReadResponse(bufio.NewReader(bytes.NewBuffer(data)), nil))
+	if resp.StatusCode != 403 {
+		t.Errorf("expected 403 response, got %d", resp.StatusCode)
 	}
 }
 

proxy/blackhole/config.go

@@ -1,9 +0,0 @@
-package blackhole
-
-var http403response = []byte(`HTTP/1.1 403 Forbidden
-Connection: close
-Cache-Control: max-age=3600, public
-Content-Length: 0
-
-
-`)