3 files changed, 14 insertions, 50 deletions
diff --git a/weed/operation/assign_file_id.go b/weed/operation/assign_file_id.go
index 3f3bb13e0..b67d8b708 100644
--- a/weed/operation/assign_file_id.go
+++ b/weed/operation/assign_file_id.go
@@ -1,17 +1,13 @@
 package operation
 
 import (
-	"bytes"
 	"context"
 	"fmt"
-
-	"github.com/valyala/fasthttp"
-	"google.golang.org/grpc"
-
-	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
 	"github.com/chrislusf/seaweedfs/weed/security"
 	"github.com/chrislusf/seaweedfs/weed/util"
+	"google.golang.org/grpc"
+	"strings"
 )
 
 type VolumeAssignRequest struct {
@@ -93,16 +89,12 @@ func Assign(server string, grpcDialOption grpc.DialOption, primaryRequest *Volum
 func LookupJwt(master string, fileId string) security.EncodedJwt {
 
 	tokenStr := ""
-	lookupUrl := fmt.Sprintf("http://%s/dir/lookup?fileId=%s", master, fileId)
 
-	err := util.Head(lookupUrl, func(header fasthttp.ResponseHeader) {
-		bearer := header.Peek("Authorization")
-		if len(bearer) > 7 && string(bytes.ToUpper(bearer[0:6])) == "BEARER" {
-			tokenStr = string(bearer[7:])
+	if h, e := util.Head(fmt.Sprintf("http://%s/dir/lookup?fileId=%s", master, fileId)); e == nil {
+		bearer := h.Get("Authorization")
+		if len(bearer) > 7 && strings.ToUpper(bearer[0:6]) == "BEARER" {
+			tokenStr = bearer[7:]
 		}
-	})
-	if err != nil {
-		glog.V(0).Infof("failed to lookup jwt %s: %v", lookupUrl, err)
 	}
 
 	return security.EncodedJwt(tokenStr)
diff --git a/weed/util/http_util.go b/weed/util/http_util.go
index b74e30ad7..08007a038 100644
--- a/weed/util/http_util.go
+++ b/weed/util/http_util.go
@@ -12,8 +12,6 @@ import (
 	"net/url"
 	"strings"
 
-	"github.com/valyala/fasthttp"
-
 	"github.com/chrislusf/seaweedfs/weed/glog"
 )
 
@@ -85,23 +83,16 @@ func Get(url string) ([]byte, error) {
 	return b, nil
 }
 
-func Head(url string, fn func(header fasthttp.ResponseHeader)) error {
-	req := fasthttp.AcquireRequest()
-	resp := fasthttp.AcquireResponse()
-	defer fasthttp.ReleaseRequest(req)   // <- do not forget to release
-	defer fasthttp.ReleaseResponse(resp) // <- do not forget to release
-
-	c := fasthttp.Client{}
-	req.SetRequestURI(url)
-	req.Header.SetMethod(fasthttp.MethodHead)
-	if err := c.Do(req, resp); err != nil {
-		return err
+func Head(url string) (http.Header, error) {
+	r, err := client.Head(url)
+	if err != nil {
+		return nil, err
 	}
-	if resp.StatusCode() >= 400 {
-		return fmt.Errorf("%s: %d", url, resp.StatusCode())
+	defer r.Body.Close()
+	if r.StatusCode >= 400 {
+		return nil, fmt.Errorf("%s: %s", url, r.Status)
 	}
-	fn(resp.Header)
-	return nil
+	return r.Header, nil
 }
 
 func Delete(url string, jwt string) error {
diff --git a/weed/util/http_util_test.go b/weed/util/http_util_test.go
deleted file mode 100644
index a8a1172d2..000000000
--- a/weed/util/http_util_test.go
+++ /dev/null
@@ -1,19 +0,0 @@
-package util
-
-import (
-	"testing"
-
-	"github.com/valyala/fasthttp"
-)
-
-func TestFasthttpClientHead(t *testing.T) {
-	err := Head("https://www.google.com", func(header fasthttp.ResponseHeader) {
-		header.VisitAll(func(key, value []byte) {
-			println(string(key) + ": " + string(value))
-		})
-	})
-	if err != nil {
-		println(err.Error())
-	}
-
-}