fix listObjectsV2 response format

fix https://github.com/chrislusf/seaweedfs/issues/1426 issue 1

test/s3/basic/basic_test.go

@@ -61,7 +61,7 @@ func TestCreateBucket(t *testing.T) {
 
 }
 
-func TestListBuckets(t *testing.T) {
+func TestPutObject(t *testing.T) {
 
 	input := &s3.PutObjectInput{
 		ACL:    aws.String("authenticated-read"),
@@ -89,7 +89,7 @@ func TestListBuckets(t *testing.T) {
 
 }
 
-func TestPutObject(t *testing.T) {
+func TestListBucket(t *testing.T) {
 
 	result, err := svc.ListBuckets(nil)
 	if err != nil {
@@ -105,6 +105,23 @@ func TestPutObject(t *testing.T) {
 
 }
 
+func TestListObjectV2(t *testing.T) {
+
+	listObj, err := svc.ListObjectsV2(&s3.ListObjectsV2Input{
+		Bucket: aws.String(Bucket),
+		Prefix: aws.String("foo"),
+		Delimiter: aws.String("/"),
+	})
+	if err != nil {
+		exitErrorf("Unable to list objects, %v", err)
+	}
+	for _, content := range listObj.Contents {
+		fmt.Println(aws.StringValue(content.Key))
+	}
+	fmt.Printf("list: %s\n", listObj)
+
+}
+
 func exitErrorf(msg string, args ...interface{}) {
 	fmt.Fprintf(os.Stderr, msg+"\n", args...)
 	os.Exit(1)

weed/Makefile

@@ -13,3 +13,7 @@ clean:
 debug_mount:
 	go build -gcflags="all=-N -l"
 	dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- mount -dir=~/tmp/mm
+
+debug_server:
+	go build -gcflags="all=-N -l"
+	dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- server -dir=/Volumes/mobile_disk/99 -filer -volume.port=8343 -s3 -volume.max=0

weed/s3api/s3api_objects_list_handlers.go

@@ -112,12 +112,12 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 	if strings.HasPrefix(reqDir, "/") {
 		reqDir = reqDir[1:]
 	}
+	bucketPrefix := fmt.Sprintf("%s/%s/", s3a.option.BucketsPath, bucket)
+	reqDir = fmt.Sprintf("%s%s", bucketPrefix, reqDir)
 	if strings.HasSuffix(reqDir, "/") {
 		// remove trailing "/"
 		reqDir = reqDir[:len(reqDir)-1]
 	}
-	bucketPrefix := fmt.Sprintf("%s/%s/", s3a.option.BucketsPath, bucket)
-	reqDir = fmt.Sprintf("%s%s", bucketPrefix, reqDir)
 
 	var contents []ListEntry
 	var commonPrefixes []PrefixEntry
@@ -131,14 +131,13 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 		_, isTruncated, nextMarker, doErr = s3a.doListFilerEntries(client, reqDir, prefix, maxKeys, marker, delimiter, func(dir string, entry *filer_pb.Entry) {
 			if entry.IsDirectory {
 				if delimiter == "/" {
-					prefix = fmt.Sprintf("%s%s/", dir, entry.Name)
 					commonPrefixes = append(commonPrefixes, PrefixEntry{
-						Prefix: prefix[len(bucketPrefix):],
+						Prefix: fmt.Sprintf("%s/%s/", dir, entry.Name)[len(bucketPrefix):],
 					})
 				}
 			} else {
 				contents = append(contents, ListEntry{
-					Key:          fmt.Sprintf("%s%s", dir[len(bucketPrefix):], entry.Name),
+					Key:          fmt.Sprintf("%s/%s", dir, entry.Name)[len(bucketPrefix):],
 					LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
 					ETag:         "\"" + filer2.ETag(entry) + "\"",
 					Size:         int64(filer2.FileSize(entry)),