Use const slashSeparator instead of "/" everywhere (#8028)

cmd/admin-handlers.go

@@ -1594,7 +1594,7 @@ func mustTrace(entry interface{}, trcAll, errOnly bool) bool {
 	if !ok {
 		return false
 	}
-	trace := trcAll || !hasPrefix(trcInfo.ReqInfo.Path, minioReservedBucketPath+slashSeparator)
+	trace := trcAll || !hasPrefix(trcInfo.ReqInfo.Path, minioReservedBucketPath+SlashSeparator)
 	if errOnly {
 		return trace && trcInfo.RespInfo.StatusCode >= http.StatusBadRequest
 	}

cmd/admin-heal-ops.go

@@ -587,9 +587,9 @@ func (h *healSequence) healItemsFromSourceCh() error {
 
 		var itemType madmin.HealItemType
 		switch {
-		case path == "/":
+		case path == SlashSeparator:
 			itemType = madmin.HealItemMetadata
-		case !strings.Contains(path, "/"):
+		case !strings.Contains(path, SlashSeparator):
 			itemType = madmin.HealItemBucket
 		default:
 			itemType = madmin.HealItemObject
@@ -693,7 +693,7 @@ func (h *healSequence) healDiskFormat() error {
 		return errServerNotInitialized
 	}
 
-	return h.queueHealTask("/", madmin.HealItemMetadata)
+	return h.queueHealTask(SlashSeparator, madmin.HealItemMetadata)
 }
 
 // healBuckets - check for all buckets heal or just particular bucket.

cmd/api-resources_test.go

@@ -36,7 +36,7 @@ func TestListObjectsV2Resources(t *testing.T) {
 				"prefix":             []string{"photos/"},
 				"continuation-token": []string{"token"},
 				"start-after":        []string{"start-after"},
-				"delimiter":          []string{"/"},
+				"delimiter":          []string{SlashSeparator},
 				"fetch-owner":        []string{"true"},
 				"max-keys":           []string{"100"},
 				"encoding-type":      []string{"gzip"},
@@ -44,7 +44,7 @@ func TestListObjectsV2Resources(t *testing.T) {
 			prefix:       "photos/",
 			token:        "token",
 			startAfter:   "start-after",
-			delimiter:    "/",
+			delimiter:    SlashSeparator,
 			fetchOwner:   true,
 			maxKeys:      100,
 			encodingType: "gzip",
@@ -55,14 +55,14 @@ func TestListObjectsV2Resources(t *testing.T) {
 				"prefix":             []string{"photos/"},
 				"continuation-token": []string{"token"},
 				"start-after":        []string{"start-after"},
-				"delimiter":          []string{"/"},
+				"delimiter":          []string{SlashSeparator},
 				"fetch-owner":        []string{"true"},
 				"encoding-type":      []string{"gzip"},
 			},
 			prefix:       "photos/",
 			token:        "token",
 			startAfter:   "start-after",
-			delimiter:    "/",
+			delimiter:    SlashSeparator,
 			fetchOwner:   true,
 			maxKeys:      1000,
 			encodingType: "gzip",
@@ -73,7 +73,7 @@ func TestListObjectsV2Resources(t *testing.T) {
 				"prefix":             []string{"photos/"},
 				"continuation-token": []string{""},
 				"start-after":        []string{"start-after"},
-				"delimiter":          []string{"/"},
+				"delimiter":          []string{SlashSeparator},
 				"fetch-owner":        []string{"true"},
 				"encoding-type":      []string{"gzip"},
 			},
@@ -130,13 +130,13 @@ func TestListObjectsV1Resources(t *testing.T) {
 			values: url.Values{
 				"prefix":        []string{"photos/"},
 				"marker":        []string{"test"},
-				"delimiter":     []string{"/"},
+				"delimiter":     []string{SlashSeparator},
 				"max-keys":      []string{"100"},
 				"encoding-type": []string{"gzip"},
 			},
 			prefix:       "photos/",
 			marker:       "test",
-			delimiter:    "/",
+			delimiter:    SlashSeparator,
 			maxKeys:      100,
 			encodingType: "gzip",
 		},
@@ -144,12 +144,12 @@ func TestListObjectsV1Resources(t *testing.T) {
 			values: url.Values{
 				"prefix":        []string{"photos/"},
 				"marker":        []string{"test"},
-				"delimiter":     []string{"/"},
+				"delimiter":     []string{SlashSeparator},
 				"encoding-type": []string{"gzip"},
 			},
 			prefix:       "photos/",
 			marker:       "test",
-			delimiter:    "/",
+			delimiter:    SlashSeparator,
 			maxKeys:      1000,
 			encodingType: "gzip",
 		},

cmd/api-response.go

@@ -293,14 +293,14 @@ func getObjectLocation(r *http.Request, domains []string, bucket, object string)
 	}
 	u := &url.URL{
 		Host:   r.Host,
-		Path:   path.Join(slashSeparator, bucket, object),
+		Path:   path.Join(SlashSeparator, bucket, object),
 		Scheme: proto,
 	}
 	// If domain is set then we need to use bucket DNS style.
 	for _, domain := range domains {
 		if strings.Contains(r.Host, domain) {
 			u.Host = bucket + "." + r.Host
-			u.Path = path.Join(slashSeparator, object)
+			u.Path = path.Join(SlashSeparator, object)
 			break
 		}
 	}

cmd/api-router.go

@@ -48,7 +48,7 @@ func registerAPIRouter(router *mux.Router, encryptionEnabled, allowSSEKMS bool)
 	}
 
 	// API Router
-	apiRouter := router.PathPrefix("/").Subrouter()
+	apiRouter := router.PathPrefix(SlashSeparator).Subrouter()
 	var routers []*mux.Router
 	for _, domainName := range globalDomainNames {
 		routers = append(routers, apiRouter.Host("{bucket:.+}."+domainName).Subrouter())
@@ -157,7 +157,7 @@ func registerAPIRouter(router *mux.Router, encryptionEnabled, allowSSEKMS bool)
 	/// Root operation
 
 	// ListBuckets
-	apiRouter.Methods(http.MethodGet).Path("/").HandlerFunc(httpTraceAll(api.ListBucketsHandler))
+	apiRouter.Methods(http.MethodGet).Path(SlashSeparator).HandlerFunc(httpTraceAll(api.ListBucketsHandler))
 
 	// If none of the routes match.
 	apiRouter.NotFoundHandler = http.HandlerFunc(httpTraceAll(notFoundHandler))

cmd/auth-handler_test.go

@@ -44,7 +44,7 @@ func TestGetRequestAuthType(t *testing.T) {
 				URL: &url.URL{
 					Host:   "127.0.0.1:9000",
 					Scheme: httpScheme,
-					Path:   "/",
+					Path:   SlashSeparator,
 				},
 				Header: http.Header{
 					"Authorization":        []string{"AWS4-HMAC-SHA256 <cred_string>"},
@@ -62,7 +62,7 @@ func TestGetRequestAuthType(t *testing.T) {
 				URL: &url.URL{
 					Host:   "127.0.0.1:9000",
 					Scheme: httpScheme,
-					Path:   "/",
+					Path:   SlashSeparator,
 				},
 				Header: http.Header{
 					"Authorization": []string{"Bearer 12313123"},
@@ -77,7 +77,7 @@ func TestGetRequestAuthType(t *testing.T) {
 				URL: &url.URL{
 					Host:   "127.0.0.1:9000",
 					Scheme: httpScheme,
-					Path:   "/",
+					Path:   SlashSeparator,
 				},
 				Header: http.Header{
 					"Authorization": []string{""},
@@ -92,7 +92,7 @@ func TestGetRequestAuthType(t *testing.T) {
 				URL: &url.URL{
 					Host:     "127.0.0.1:9000",
 					Scheme:   httpScheme,
-					Path:     "/",
+					Path:     SlashSeparator,
 					RawQuery: "X-Amz-Credential=EXAMPLEINVALIDEXAMPL%2Fs3%2F20160314%2Fus-east-1",
 				},
 			},
@@ -105,7 +105,7 @@ func TestGetRequestAuthType(t *testing.T) {
 				URL: &url.URL{
 					Host:   "127.0.0.1:9000",
 					Scheme: httpScheme,
-					Path:   "/",
+					Path:   SlashSeparator,
 				},
 				Header: http.Header{
 					"Content-Type": []string{"multipart/form-data"},

cmd/bucket-handlers.go

@@ -650,7 +650,7 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
 		return
 	}
 	if objectAPI.IsEncryptionSupported() {
-		if hasServerSideEncryptionHeader(formValues) && !hasSuffix(object, slashSeparator) { // handle SSE-C and SSE-S3 requests
+		if hasServerSideEncryptionHeader(formValues) && !hasSuffix(object, SlashSeparator) { // handle SSE-C and SSE-S3 requests
 			var reader io.Reader
 			var key []byte
 			if crypto.SSEC.IsRequested(formValues) {

cmd/bucket-handlers_test.go

@@ -69,7 +69,7 @@ func testGetBucketLocationHandler(obj ObjectLayer, instanceType, bucketName stri
 			expectedRespStatus: http.StatusForbidden,
 			locationResponse:   []byte(""),
 			errorResponse: APIErrorResponse{
-				Resource: "/" + bucketName + "/",
+				Resource: SlashSeparator + bucketName + SlashSeparator,
 				Code:     "InvalidAccessKeyId",
 				Message:  "The access key ID you provided does not exist in our records.",
 			},
@@ -394,7 +394,7 @@ func testListMultipartUploadsHandler(obj ObjectLayer, instanceType, bucketName s
 			prefix:             "",
 			keyMarker:          "",
 			uploadIDMarker:     "",
-			delimiter:          "/",
+			delimiter:          SlashSeparator,
 			maxUploads:         "100",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,

cmd/certs.go

@@ -87,7 +87,7 @@ func getRootCAs(certsCAsDir string) (*x509.CertPool, error) {
 	// Load all custom CA files.
 	for _, fi := range fis {
 		// Skip all directories.
-		if hasSuffix(fi, slashSeparator) {
+		if hasSuffix(fi, SlashSeparator) {
 			continue
 		}
 		caCert, err := ioutil.ReadFile(pathJoin(certsCAsDir, fi))

cmd/config-migrate_test.go

@@ -175,7 +175,7 @@ func TestServerConfigMigrateV2toV33(t *testing.T) {
 	}
 	defer os.RemoveAll(fsDir)
 
-	configPath := rootPath + "/" + minioConfigFile
+	configPath := rootPath + SlashSeparator + minioConfigFile
 
 	// Create a corrupted config file
 	if err := ioutil.WriteFile(configPath, []byte("{ \"version\":\"2\","), 0644); err != nil {
@@ -238,7 +238,7 @@ func TestServerConfigMigrateFaultyConfig(t *testing.T) {
 	defer os.RemoveAll(rootPath)
 
 	globalConfigDir = &ConfigDir{path: rootPath}
-	configPath := rootPath + "/" + minioConfigFile
+	configPath := rootPath + SlashSeparator + minioConfigFile
 
 	// Create a corrupted config file
 	if err := ioutil.WriteFile(configPath, []byte("{ \"version\":\"2\", \"test\":"), 0644); err != nil {
@@ -335,7 +335,7 @@ func TestServerConfigMigrateCorruptedConfig(t *testing.T) {
 	defer os.RemoveAll(rootPath)
 
 	globalConfigDir = &ConfigDir{path: rootPath}
-	configPath := rootPath + "/" + minioConfigFile
+	configPath := rootPath + SlashSeparator + minioConfigFile
 
 	for i := 3; i <= 17; i++ {
 		// Create a corrupted config file

cmd/disk-cache-config.go

@@ -109,7 +109,7 @@ func parseCacheExcludes(excludes []string) ([]string, error) {
 		if len(e) == 0 {
 			return nil, uiErrInvalidCacheExcludesValue(nil).Msg("cache exclude path (%s) cannot be empty", e)
 		}
-		if hasPrefix(e, slashSeparator) {
+		if hasPrefix(e, SlashSeparator) {
 			return nil, uiErrInvalidCacheExcludesValue(nil).Msg("cache exclude pattern (%s) cannot start with / as prefix", e)
 		}
 	}

cmd/disk-cache-fs.go

@@ -182,7 +182,7 @@ func (cfs *cacheFSObjects) purgeTrash() {
 
 // Purge cache entries that were not accessed.
 func (cfs *cacheFSObjects) purge() {
-	delimiter := slashSeparator
+	delimiter := SlashSeparator
 	maxKeys := 1000
 	ctx := context.Background()
 	for {

cmd/disk-cache.go

@@ -395,7 +395,7 @@ func listDirCacheFactory(isLeaf func(string, string) bool, disks []*cacheFSObjec
 
 			for i := range entries {
 				if isLeaf(bucket, entries[i]) {
-					entries[i] = strings.TrimSuffix(entries[i], slashSeparator)
+					entries[i] = strings.TrimSuffix(entries[i], SlashSeparator)
 				}
 			}
 
@@ -432,7 +432,7 @@ func (c cacheObjects) listCacheObjects(ctx context.Context, bucket, prefix, mark
 	var nextMarker string
 
 	recursive := true
-	if delimiter == slashSeparator {
+	if delimiter == SlashSeparator {
 		recursive = false
 	}
 	walkResultCh, endWalkCh := c.listPool.Release(listParams{bucket, recursive, marker, prefix, false})
@@ -460,7 +460,7 @@ func (c cacheObjects) listCacheObjects(ctx context.Context, bucket, prefix, mark
 
 		entry := walkResult.entry
 		var objInfo ObjectInfo
-		if hasSuffix(entry, slashSeparator) {
+		if hasSuffix(entry, SlashSeparator) {
 			// Object name needs to be full path.
 			objInfo.Bucket = bucket
 			objInfo.Name = entry
@@ -502,7 +502,7 @@ func (c cacheObjects) listCacheObjects(ctx context.Context, bucket, prefix, mark
 	result = ListObjectsInfo{IsTruncated: !eof}
 	for _, objInfo := range objInfos {
 		result.NextMarker = objInfo.Name
-		if objInfo.IsDir && delimiter == slashSeparator {
+		if objInfo.IsDir && delimiter == SlashSeparator {
 			result.Prefixes = append(result.Prefixes, objInfo.Name)
 			continue
 		}

cmd/disk-usage.go

@@ -23,7 +23,7 @@ import (
 // getDiskUsage walks the file tree rooted at root, calling usageFn
 // for each file or directory in the tree, including root.
 func getDiskUsage(ctx context.Context, root string, usageFn usageFunc) error {
-	return walk(ctx, root+slashSeparator, usageFn)
+	return walk(ctx, root+SlashSeparator, usageFn)
 }
 
 type usageFunc func(ctx context.Context, entry string) error
@@ -34,7 +34,7 @@ func walk(ctx context.Context, path string, usageFn usageFunc) error {
 		return err
 	}
 
-	if !hasSuffix(path, slashSeparator) {
+	if !hasSuffix(path, SlashSeparator) {
 		return nil
 	}
 

cmd/endpoint.go

@@ -100,7 +100,7 @@ func (endpoint *Endpoint) UpdateIsLocal() error {
 func NewEndpoint(arg string) (ep Endpoint, e error) {
 	// isEmptyPath - check whether given path is not empty.
 	isEmptyPath := func(path string) bool {
-		return path == "" || path == "/" || path == `\`
+		return path == "" || path == SlashSeparator || path == `\`
 	}
 
 	if isEmptyPath(arg) {
@@ -152,7 +152,7 @@ func NewEndpoint(arg string) (ep Endpoint, e error) {
 			return ep, fmt.Errorf("empty or root path is not supported in URL endpoint")
 		}
 
-		// On windows having a preceding "/" will cause problems, if the
+		// On windows having a preceding SlashSeparator will cause problems, if the
 		// command line already has C:/<export-folder/ in it. Final resulting
 		// path on windows might become C:/C:/ this will cause problems
 		// of starting minio server properly in distributed mode on windows.

cmd/endpoint_test.go

@@ -96,7 +96,7 @@ func TestNewEndpoint(t *testing.T) {
 		{"http://127.0.0.1:8080/path", Endpoint{URL: u3, IsLocal: true, HostName: "127.0.0.1"}, URLEndpointType, nil},
 		{"http://192.168.253.200/path", Endpoint{URL: u4, IsLocal: false, HostName: "192.168.253.200"}, URLEndpointType, nil},
 		{"", Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
-		{"/", Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
+		{SlashSeparator, Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
 		{`\`, Endpoint{}, -1, fmt.Errorf("empty or root endpoint is not supported")},
 		{"c://foo", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format")},
 		{"ftp://foo", Endpoint{}, -1, fmt.Errorf("invalid URL endpoint format")},

cmd/fs-v1-metadata.go

@@ -141,7 +141,7 @@ func (m fsMetaV1) ToObjectInfo(bucket, object string, fi os.FileInfo) ObjectInfo
 		m.Meta["content-type"] = mimedb.TypeByExtension(pathutil.Ext(object))
 	}
 
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		m.Meta["etag"] = emptyETag // For directories etag is d41d8cd98f00b204e9800998ecf8427e
 		m.Meta["content-type"] = "application/octet-stream"
 	}

cmd/fs-v1-multipart.go

@@ -163,7 +163,7 @@ func (fs *FSObjects) ListMultipartUploads(ctx context.Context, bucket, object, k
 		}
 		uploads = append(uploads, MultipartInfo{
 			Object:    object,
-			UploadID:  strings.TrimSuffix(uploadID, slashSeparator),
+			UploadID:  strings.TrimSuffix(uploadID, SlashSeparator),
 			Initiated: fi.ModTime(),
 		})
 	}

cmd/fs-v1.go

@@ -505,7 +505,7 @@ func (fs *FSObjects) GetObjectNInfo(ctx context.Context, bucket, object string,
 		return nil, toObjectErr(err, bucket, object)
 	}
 	// For a directory, we need to send an reader that returns no bytes.
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		// The lock taken above is released when
 		// objReader.Close() is called by the caller.
 		return NewGetObjectReaderFromReader(bytes.NewBuffer(nil), objInfo, opts.CheckCopyPrecondFn, nsUnlocker)
@@ -596,7 +596,7 @@ func (fs *FSObjects) getObject(ctx context.Context, bucket, object string, offse
 	}
 
 	// If its a directory request, we return an empty body.
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		_, err = writer.Write([]byte(""))
 		logger.LogIf(ctx, err)
 		return toObjectErr(err, bucket, object)
@@ -690,7 +690,7 @@ func (fs *FSObjects) defaultFsJSON(object string) fsMetaV1 {
 // getObjectInfo - wrapper for reading object metadata and constructs ObjectInfo.
 func (fs *FSObjects) getObjectInfo(ctx context.Context, bucket, object string) (oi ObjectInfo, e error) {
 	fsMeta := fsMetaV1{}
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		fi, err := fsStatDir(ctx, pathJoin(fs.fsPath, bucket, object))
 		if err != nil {
 			return oi, err
@@ -750,7 +750,7 @@ func (fs *FSObjects) getObjectInfoWithLock(ctx context.Context, bucket, object s
 		return oi, err
 	}
 
-	if strings.HasSuffix(object, slashSeparator) && !fs.isObjectDir(bucket, object) {
+	if strings.HasSuffix(object, SlashSeparator) && !fs.isObjectDir(bucket, object) {
 		return oi, errFileNotFound
 	}
 
@@ -784,7 +784,7 @@ func (fs *FSObjects) GetObjectInfo(ctx context.Context, bucket, object string, o
 func (fs *FSObjects) parentDirIsObject(ctx context.Context, bucket, parent string) bool {
 	var isParentDirObject func(string) bool
 	isParentDirObject = func(p string) bool {
-		if p == "." || p == "/" {
+		if p == "." || p == SlashSeparator {
 			return false
 		}
 		if fsIsFile(ctx, pathJoin(fs.fsPath, bucket, p)) {

cmd/fs-v1_test.go

@@ -71,7 +71,7 @@ func TestFSParentDirIsObject(t *testing.T) {
 		// Should not cause infinite loop.
 		{
 			parentIsObject: false,
-			objectName:     "/",
+			objectName:     SlashSeparator,
 		},
 		{
 			parentIsObject: false,
@@ -214,7 +214,7 @@ func TestFSPutObject(t *testing.T) {
 	}
 
 	// With a directory object.
-	_, err = obj.PutObject(context.Background(), bucketName+"non-existent", objectName+"/", mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), 0, "", ""), ObjectOptions{})
+	_, err = obj.PutObject(context.Background(), bucketName+"non-existent", objectName+SlashSeparator, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), 0, "", ""), ObjectOptions{})
 	if err == nil {
 		t.Fatal("Unexpected should fail here, bucket doesn't exist")
 	}

cmd/gateway/azure/gateway-azure.go

@@ -431,7 +431,7 @@ func checkAzureUploadID(ctx context.Context, uploadID string) (err error) {
 
 // parses partID from part metadata file name
 func parseAzurePart(metaPartFileName, prefix string) (partID int, err error) {
-	partStr := strings.TrimPrefix(metaPartFileName, prefix+"/")
+	partStr := strings.TrimPrefix(metaPartFileName, prefix+minio.SlashSeparator)
 	if partID, err = strconv.Atoi(partStr); err != nil || partID <= 0 {
 		err = fmt.Errorf("invalid part number in block id '%s'", string(partID))
 		return

cmd/gateway/gcs/gateway-gcs.go

@@ -472,7 +472,7 @@ func (l *gcsGateway) ListBuckets(ctx context.Context) (buckets []minio.BucketInf
 // DeleteBucket delete a bucket on GCS.
 func (l *gcsGateway) DeleteBucket(ctx context.Context, bucket string) error {
 	itObject := l.client.Bucket(bucket).Objects(ctx, &storage.Query{
-		Delimiter: "/",
+		Delimiter: minio.SlashSeparator,
 		Versions:  false,
 	})
 	// We list the bucket and if we find any objects we return BucketNotEmpty error. If we
@@ -1040,7 +1040,7 @@ func (l *gcsGateway) ListMultipartUploads(ctx context.Context, bucket string, pr
 		if prefix == mpMeta.Object {
 			// Extract uploadId
 			// E.g minio.sys.tmp/multipart/v1/d063ad89-fdc4-4ea3-a99e-22dba98151f5/gcs.json
-			components := strings.SplitN(attrs.Name, "/", 5)
+			components := strings.SplitN(attrs.Name, minio.SlashSeparator, 5)
 			if len(components) != 5 {
 				compErr := errors.New("Invalid multipart upload format")
 				logger.LogIf(ctx, compErr)
@@ -1114,7 +1114,7 @@ func (l *gcsGateway) PutObjectPart(ctx context.Context, bucket string, key strin
 
 // gcsGetPartInfo returns PartInfo of a given object part
 func gcsGetPartInfo(ctx context.Context, attrs *storage.ObjectAttrs) (minio.PartInfo, error) {
-	components := strings.SplitN(attrs.Name, "/", 5)
+	components := strings.SplitN(attrs.Name, minio.SlashSeparator, 5)
 	if len(components) != 5 {
 		logger.LogIf(ctx, errors.New("Invalid multipart upload format"))
 		return minio.PartInfo{}, errors.New("Invalid multipart upload format")

cmd/gateway/hdfs/gateway-hdfs-utils.go

@@ -36,7 +36,7 @@ const (
 
 // Ignores all reserved bucket names or invalid bucket names.
 func isReservedOrInvalidBucket(bucketEntry string, strict bool) bool {
-	bucketEntry = strings.TrimSuffix(bucketEntry, "/")
+	bucketEntry = strings.TrimSuffix(bucketEntry, minio.SlashSeparator)
 	if strict {
 		if err := s3utils.CheckValidBucketNameStrict(bucketEntry); err != nil {
 			return true

cmd/gateway/hdfs/gateway-hdfs.go

@@ -46,7 +46,7 @@ import (
 const (
 	hdfsBackend = "hdfs"
 
-	hdfsSeparator = "/"
+	hdfsSeparator = minio.SlashSeparator
 )
 
 func init() {

cmd/gateway/s3/gateway-s3-sse.go

@@ -41,7 +41,6 @@ const (
 	// custom multipart files are stored under the defaultMinioGWPrefix
 	defaultMinioGWPrefix     = ".minio"
 	defaultGWContentFileName = "data"
-	slashSeparator           = "/"
 )
 
 // s3EncObjects is a wrapper around s3Objects and implements gateway calls for
@@ -102,7 +101,7 @@ func (l *s3EncObjects) ListObjectsV2(ctx context.Context, bucket, prefix, contin
 			}
 			// get objectname and ObjectInfo from the custom metadata file
 			if strings.HasSuffix(obj.Name, gwdareMetaJSON) {
-				objSlice := strings.Split(obj.Name, slashSeparator+defaultMinioGWPrefix)
+				objSlice := strings.Split(obj.Name, minio.SlashSeparator+defaultMinioGWPrefix)
 				gwMeta, e := l.getGWMetadata(ctx, bucket, getDareMetaPath(objSlice[0]))
 				if e != nil {
 					continue
@@ -117,7 +116,7 @@ func (l *s3EncObjects) ListObjectsV2(ctx context.Context, bucket, prefix, contin
 			}
 		}
 		for _, p := range loi.Prefixes {
-			objName := strings.TrimSuffix(p, slashSeparator)
+			objName := strings.TrimSuffix(p, minio.SlashSeparator)
 			gm, err := l.getGWMetadata(ctx, bucket, getDareMetaPath(objName))
 			// if prefix is actually a custom multi-part object, append it to objects
 			if err == nil {
@@ -165,7 +164,7 @@ func isGWObject(objName string) bool {
 		return false
 	}
 
-	pfxSlice := strings.Split(objName, slashSeparator)
+	pfxSlice := strings.Split(objName, minio.SlashSeparator)
 	var i1, i2 int
 	for i := len(pfxSlice) - 1; i >= 0; i-- {
 		p := pfxSlice[i]
@@ -401,10 +400,10 @@ func (l *s3EncObjects) ListMultipartUploads(ctx context.Context, bucket string,
 	if e != nil {
 		return
 	}
-	lmi.KeyMarker = strings.TrimSuffix(lmi.KeyMarker, getGWContentPath("/"))
-	lmi.NextKeyMarker = strings.TrimSuffix(lmi.NextKeyMarker, getGWContentPath("/"))
+	lmi.KeyMarker = strings.TrimSuffix(lmi.KeyMarker, getGWContentPath(minio.SlashSeparator))
+	lmi.NextKeyMarker = strings.TrimSuffix(lmi.NextKeyMarker, getGWContentPath(minio.SlashSeparator))
 	for i := range lmi.Uploads {
-		lmi.Uploads[i].Object = strings.TrimSuffix(lmi.Uploads[i].Object, getGWContentPath("/"))
+		lmi.Uploads[i].Object = strings.TrimSuffix(lmi.Uploads[i].Object, getGWContentPath(minio.SlashSeparator))
 	}
 	return
 }

cmd/generic-handlers.go

@@ -153,7 +153,7 @@ func containsReservedMetadata(header http.Header) bool {
 // Reserved bucket.
 const (
 	minioReservedBucket     = "minio"
-	minioReservedBucketPath = "/" + minioReservedBucket
+	minioReservedBucketPath = SlashSeparator + minioReservedBucket
 )
 
 // Adds redirect rules for incoming requests.
@@ -172,10 +172,10 @@ func setBrowserRedirectHandler(h http.Handler) http.Handler {
 // browser requests.
 func getRedirectLocation(urlPath string) (rLocation string) {
 	if urlPath == minioReservedBucketPath {
-		rLocation = minioReservedBucketPath + "/"
+		rLocation = minioReservedBucketPath + SlashSeparator
 	}
 	if contains([]string{
-		"/",
+		SlashSeparator,
 		"/webrpc",
 		"/login",
 		"/favicon.ico",
@@ -229,7 +229,7 @@ func guessIsRPCReq(req *http.Request) bool {
 		return false
 	}
 	return req.Method == http.MethodPost &&
-		strings.HasPrefix(req.URL.Path, minioReservedBucketPath+"/")
+		strings.HasPrefix(req.URL.Path, minioReservedBucketPath+SlashSeparator)
 }
 
 func (h redirectHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
@@ -258,7 +258,7 @@ func setBrowserCacheControlHandler(h http.Handler) http.Handler {
 func (h cacheControlHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if r.Method == http.MethodGet && guessIsBrowserReq(r) {
 		// For all browser requests set appropriate Cache-Control policies
-		if hasPrefix(r.URL.Path, minioReservedBucketPath+"/") {
+		if hasPrefix(r.URL.Path, minioReservedBucketPath+SlashSeparator) {
 			if hasSuffix(r.URL.Path, ".js") || r.URL.Path == minioReservedBucketPath+"/favicon.ico" {
 				// For assets set cache expiry of one year. For each release, the name
 				// of the asset name will change and hence it can not be served from cache.
@@ -276,7 +276,7 @@ func (h cacheControlHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 // Check to allow access to the reserved "bucket" `/minio` for Admin
 // API requests.
 func isAdminReq(r *http.Request) bool {
-	return strings.HasPrefix(r.URL.Path, adminAPIPathPrefix+"/")
+	return strings.HasPrefix(r.URL.Path, adminAPIPathPrefix+SlashSeparator)
 }
 
 // Adds verification for incoming paths.
@@ -596,7 +596,7 @@ const (
 // such as ".." and "."
 func hasBadPathComponent(path string) bool {
 	path = strings.TrimSpace(path)
-	for _, p := range strings.Split(path, slashSeparator) {
+	for _, p := range strings.Split(path, SlashSeparator) {
 		switch strings.TrimSpace(p) {
 		case dotdotComponent:
 			return true

cmd/generic-handlers_test.go

@@ -35,12 +35,12 @@ func TestRedirectLocation(t *testing.T) {
 		{
 			// 1. When urlPath is '/minio'
 			urlPath:  minioReservedBucketPath,
-			location: minioReservedBucketPath + "/",
+			location: minioReservedBucketPath + SlashSeparator,
 		},
 		{
 			// 2. When urlPath is '/'
-			urlPath:  "/",
-			location: minioReservedBucketPath + "/",
+			urlPath:  SlashSeparator,
+			location: minioReservedBucketPath + SlashSeparator,
 		},
 		{
 			// 3. When urlPath is '/webrpc'

cmd/handler-utils.go

@@ -95,8 +95,8 @@ func isMetadataReplace(h http.Header) bool {
 // Splits an incoming path into bucket and object components.
 func path2BucketAndObject(path string) (bucket, object string) {
 	// Skip the first element if it is '/', split the rest.
-	path = strings.TrimPrefix(path, "/")
-	pathComponents := strings.SplitN(path, "/", 2)
+	path = strings.TrimPrefix(path, SlashSeparator)
+	pathComponents := strings.SplitN(path, SlashSeparator, 2)
 
 	// Save the bucket and object extracted from path.
 	switch len(pathComponents) {
@@ -370,7 +370,7 @@ func getResource(path string, host string, domains []string) (string, error) {
 			continue
 		}
 		bucket := strings.TrimSuffix(host, "."+domain)
-		return slashSeparator + pathJoin(bucket, path), nil
+		return SlashSeparator + pathJoin(bucket, path), nil
 	}
 	return path, nil
 }

cmd/iam.go

@@ -86,7 +86,7 @@ func getCurrentIAMFormat() iamFormat {
 }
 
 func getIAMFormatFilePath() string {
-	return iamConfigPrefix + "/" + iamFormatFile
+	return iamConfigPrefix + SlashSeparator + iamFormatFile
 }
 
 func getUserIdentityPath(user string, isSTS bool) string {
@@ -191,7 +191,7 @@ func listIAMConfigItems(objectAPI ObjectLayer, pathPrefix string, dirs bool,
 		marker := ""
 		for {
 			lo, err := objectAPI.ListObjects(context.Background(),
-				minioMetaBucket, pathPrefix, marker, "/", 1000)
+				minioMetaBucket, pathPrefix, marker, SlashSeparator, 1000)
 			if err != nil {
 				select {
 				case ch <- itemOrErr{Err: err}:
@@ -207,7 +207,7 @@ func listIAMConfigItems(objectAPI ObjectLayer, pathPrefix string, dirs bool,
 			}
 			for _, itemPrefix := range lister {
 				item := strings.TrimPrefix(itemPrefix, pathPrefix)
-				item = strings.TrimSuffix(item, "/")
+				item = strings.TrimSuffix(item, SlashSeparator)
 				select {
 				case ch <- itemOrErr{Item: item}:
 				case <-doneCh:

cmd/lock-rest-server.go

@@ -232,12 +232,12 @@ func startLockMaintenance(lkSrv *lockRESTServer) {
 func registerLockRESTHandlers(router *mux.Router) {
 	subrouter := router.PathPrefix(lockRESTPath).Subrouter()
 	queries := restQueries(lockRESTUID, lockRESTSource, lockRESTResource, lockRESTServerAddr, lockRESTServerEndpoint)
-	subrouter.Methods(http.MethodPost).Path("/" + lockRESTMethodLock).HandlerFunc(httpTraceHdrs(globalLockServer.LockHandler)).Queries(queries...)
-	subrouter.Methods(http.MethodPost).Path("/" + lockRESTMethodRLock).HandlerFunc(httpTraceHdrs(globalLockServer.RLockHandler)).Queries(queries...)
-	subrouter.Methods(http.MethodPost).Path("/" + lockRESTMethodUnlock).HandlerFunc(httpTraceHdrs(globalLockServer.UnlockHandler)).Queries(queries...)
-	subrouter.Methods(http.MethodPost).Path("/" + lockRESTMethodRUnlock).HandlerFunc(httpTraceHdrs(globalLockServer.RUnlockHandler)).Queries(queries...)
-	subrouter.Methods(http.MethodPost).Path("/" + lockRESTMethodForceUnlock).HandlerFunc(httpTraceHdrs(globalLockServer.ForceUnlockHandler)).Queries(queries...)
-	subrouter.Methods(http.MethodPost).Path("/" + lockRESTMethodExpired).HandlerFunc(httpTraceAll(globalLockServer.ExpiredHandler)).Queries(queries...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + lockRESTMethodLock).HandlerFunc(httpTraceHdrs(globalLockServer.LockHandler)).Queries(queries...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + lockRESTMethodRLock).HandlerFunc(httpTraceHdrs(globalLockServer.RLockHandler)).Queries(queries...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + lockRESTMethodUnlock).HandlerFunc(httpTraceHdrs(globalLockServer.UnlockHandler)).Queries(queries...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + lockRESTMethodRUnlock).HandlerFunc(httpTraceHdrs(globalLockServer.RUnlockHandler)).Queries(queries...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + lockRESTMethodForceUnlock).HandlerFunc(httpTraceHdrs(globalLockServer.ForceUnlockHandler)).Queries(queries...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + lockRESTMethodExpired).HandlerFunc(httpTraceAll(globalLockServer.ExpiredHandler)).Queries(queries...)
 
 	router.NotFoundHandler = http.HandlerFunc(httpTraceAll(notFoundHandler))
 

cmd/object-api-common.go

@@ -56,10 +56,10 @@ func init() {
 }
 
 // Checks if the object is a directory, this logic uses
-// if size == 0 and object ends with slashSeparator then
+// if size == 0 and object ends with SlashSeparator then
 // returns true.
 func isObjectDir(object string, size int64) bool {
-	return hasSuffix(object, slashSeparator) && size == 0
+	return hasSuffix(object, SlashSeparator) && size == 0
 }
 
 // Converts just bucket, object metadata into ObjectInfo datatype.
@@ -110,7 +110,7 @@ func cleanupDir(ctx context.Context, storage StorageAPI, volume, dirPath string)
 	var delFunc func(string) error
 	// Function to delete entries recursively.
 	delFunc = func(entryPath string) error {
-		if !hasSuffix(entryPath, slashSeparator) {
+		if !hasSuffix(entryPath, SlashSeparator) {
 			// Delete the file entry.
 			err := storage.DeleteFile(volume, entryPath)
 			logger.LogIf(ctx, err)
@@ -157,7 +157,7 @@ func cleanupObjectsBulk(ctx context.Context, storage StorageAPI, volume string,
 	var traverse func(string) ([]string, error)
 	traverse = func(entryPath string) ([]string, error) {
 		var output = make([]string, 0)
-		if !hasSuffix(entryPath, slashSeparator) {
+		if !hasSuffix(entryPath, SlashSeparator) {
 			output = append(output, entryPath)
 			return output, nil
 		}
@@ -320,7 +320,7 @@ func listObjectsNonSlash(ctx context.Context, obj ObjectLayer, bucket, prefix, m
 }
 
 func listObjects(ctx context.Context, obj ObjectLayer, bucket, prefix, marker, delimiter string, maxKeys int, tpool *TreeWalkPool, listDir ListDirFunc, getObjInfo func(context.Context, string, string) (ObjectInfo, error), getObjectInfoDirs ...func(context.Context, string, string) (ObjectInfo, error)) (loi ListObjectsInfo, err error) {
-	if delimiter != slashSeparator && delimiter != "" {
+	if delimiter != SlashSeparator && delimiter != "" {
 		return listObjectsNonSlash(ctx, obj, bucket, prefix, marker, delimiter, maxKeys, tpool, listDir, getObjInfo, getObjectInfoDirs...)
 	}
 
@@ -346,7 +346,7 @@ func listObjects(ctx context.Context, obj ObjectLayer, bucket, prefix, marker, d
 	// along // with the prefix. On a flat namespace with 'prefix'
 	// as '/' we don't have any entries, since all the keys are
 	// of form 'keyName/...'
-	if delimiter == slashSeparator && prefix == slashSeparator {
+	if delimiter == SlashSeparator && prefix == SlashSeparator {
 		return loi, nil
 	}
 
@@ -357,7 +357,7 @@ func listObjects(ctx context.Context, obj ObjectLayer, bucket, prefix, marker, d
 
 	// Default is recursive, if delimiter is set then list non recursive.
 	recursive := true
-	if delimiter == slashSeparator {
+	if delimiter == SlashSeparator {
 		recursive = false
 	}
 
@@ -382,7 +382,7 @@ func listObjects(ctx context.Context, obj ObjectLayer, bucket, prefix, marker, d
 
 		var objInfo ObjectInfo
 		var err error
-		if hasSuffix(walkResult.entry, slashSeparator) {
+		if hasSuffix(walkResult.entry, SlashSeparator) {
 			for _, getObjectInfoDir := range getObjectInfoDirs {
 				objInfo, err = getObjectInfoDir(ctx, bucket, walkResult.entry)
 				if err == nil {
@@ -429,7 +429,7 @@ func listObjects(ctx context.Context, obj ObjectLayer, bucket, prefix, marker, d
 
 	result := ListObjectsInfo{}
 	for _, objInfo := range objInfos {
-		if objInfo.IsDir && delimiter == slashSeparator {
+		if objInfo.IsDir && delimiter == SlashSeparator {
 			result.Prefixes = append(result.Prefixes, objInfo.Name)
 			continue
 		}

cmd/object-api-errors.go

@@ -203,14 +203,14 @@ func (e ObjectExistsAsDirectory) Error() string {
 type PrefixAccessDenied GenericError
 
 func (e PrefixAccessDenied) Error() string {
-	return "Prefix access is denied: " + e.Bucket + "/" + e.Object
+	return "Prefix access is denied: " + e.Bucket + SlashSeparator + e.Object
 }
 
 // ParentIsObject object access is denied.
 type ParentIsObject GenericError
 
 func (e ParentIsObject) Error() string {
-	return "Parent is object " + e.Bucket + "/" + path.Dir(e.Object)
+	return "Parent is object " + e.Bucket + SlashSeparator + path.Dir(e.Object)
 }
 
 // BucketExists bucket exists.

cmd/object-api-getobject_test.go

@@ -259,7 +259,7 @@ func testGetObjectPermissionDenied(obj ObjectLayer, instanceType string, disks [
 
 	for i, testCase := range testCases {
 		for _, d := range disks {
-			err = os.Chmod(d+"/"+testCase.bucketName+"/"+testCase.chmodPath, 0)
+			err = os.Chmod(d+SlashSeparator+testCase.bucketName+SlashSeparator+testCase.chmodPath, 0)
 			if err != nil {
 				t.Fatalf("Test %d, Unable to chmod: %v", i+1, err)
 			}

cmd/object-api-input-checks.go

@@ -74,7 +74,7 @@ func checkListObjsArgs(ctx context.Context, bucket, prefix, marker, delimiter st
 		}
 	}
 	// Verify if delimiter is anything other than '/', which we do not support.
-	if delimiter != "" && delimiter != slashSeparator {
+	if delimiter != "" && delimiter != SlashSeparator {
 		logger.LogIf(ctx, UnsupportedDelimiter{
 			Delimiter: delimiter,
 		})
@@ -102,7 +102,7 @@ func checkListMultipartArgs(ctx context.Context, bucket, prefix, keyMarker, uplo
 		return err
 	}
 	if uploadIDMarker != "" {
-		if hasSuffix(keyMarker, slashSeparator) {
+		if hasSuffix(keyMarker, SlashSeparator) {
 
 			logger.LogIf(ctx, InvalidUploadIDKeyCombination{
 				UploadIDMarker: uploadIDMarker,
@@ -196,7 +196,7 @@ func checkPutObjectArgs(ctx context.Context, bucket, object string, obj ObjectLa
 		return err
 	}
 	if len(object) == 0 ||
-		(hasSuffix(object, slashSeparator) && size != 0) ||
+		(hasSuffix(object, SlashSeparator) && size != 0) ||
 		!IsValidObjectPrefix(object) {
 		return ObjectNameInvalid{
 			Bucket: bucket,

cmd/object-api-listobjects_test.go

@@ -543,20 +543,20 @@ func testListObjects(obj ObjectLayer, instanceType string, t1 TestErrHandler) {
 		{"test-bucket-list-object", "Asia", "", "", 10, resultCases[24], nil, true},
 		// Tests with prefix and delimiter (55-57).
 		// With delimeter the code should not recurse into the sub-directories of prefix Dir.
-		{"test-bucket-list-object", "Asia", "", "/", 10, resultCases[25], nil, true},
-		{"test-bucket-list-object", "new", "", "/", 10, resultCases[26], nil, true},
-		{"test-bucket-list-object", "Asia/India/", "", "/", 10, resultCases[27], nil, true},
+		{"test-bucket-list-object", "Asia", "", SlashSeparator, 10, resultCases[25], nil, true},
+		{"test-bucket-list-object", "new", "", SlashSeparator, 10, resultCases[26], nil, true},
+		{"test-bucket-list-object", "Asia/India/", "", SlashSeparator, 10, resultCases[27], nil, true},
 		// Test with marker set as hierarhical value and with delimiter. (58-59)
-		{"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", "/", 10, resultCases[28], nil, true},
-		{"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", "/", 10, resultCases[29], nil, true},
+		{"test-bucket-list-object", "", "Asia/India/India-summer-photos-1", SlashSeparator, 10, resultCases[28], nil, true},
+		{"test-bucket-list-object", "", "Asia/India/Karnataka/Bangalore/Koramangala/pics", SlashSeparator, 10, resultCases[29], nil, true},
 		// Test with prefix and delimiter set to '/'. (60)
-		{"test-bucket-list-object", "/", "", "/", 10, resultCases[30], nil, true},
+		{"test-bucket-list-object", SlashSeparator, "", SlashSeparator, 10, resultCases[30], nil, true},
 		// Test with invalid prefix (61)
-		{"test-bucket-list-object", "\\", "", "/", 10, ListObjectsInfo{}, ObjectNameInvalid{Bucket: "test-bucket-list-object", Object: "\\"}, false},
+		{"test-bucket-list-object", "\\", "", SlashSeparator, 10, ListObjectsInfo{}, ObjectNameInvalid{Bucket: "test-bucket-list-object", Object: "\\"}, false},
 		// Test listing an empty directory in recursive mode (62)
 		{"test-bucket-empty-dir", "", "", "", 10, resultCases[31], nil, true},
 		// Test listing an empty directory in a non recursive mode (63)
-		{"test-bucket-empty-dir", "", "", "/", 10, resultCases[32], nil, true},
+		{"test-bucket-empty-dir", "", "", SlashSeparator, 10, resultCases[32], nil, true},
 		// Test listing a directory which contains an empty directory (64)
 		{"test-bucket-empty-dir", "", "temporary/", "", 10, resultCases[33], nil, true},
 	}
@@ -595,7 +595,7 @@ func testListObjects(obj ObjectLayer, instanceType string, t1 TestErrHandler) {
 						t.Errorf("Test %d: %s: Expected object name to be \"%s\", but found \"%s\" instead", i+1, instanceType, testCase.result.Objects[j].Name, result.Objects[j].Name)
 					}
 					// FIXME: we should always check for ETag
-					if result.Objects[j].ETag == "" && !strings.HasSuffix(result.Objects[j].Name, slashSeparator) {
+					if result.Objects[j].ETag == "" && !strings.HasSuffix(result.Objects[j].Name, SlashSeparator) {
 						t.Errorf("Test %d: %s: Expected ETag to be not empty, but found empty instead (%v)", i+1, instanceType, result.Objects[j].Name)
 					}
 

cmd/object-api-multipart_test.go

@@ -680,7 +680,7 @@ func testListMultipartUploads(obj ObjectLayer, instanceType string, t TestErrHan
 		// Expecting the result to contain one MultipartInfo entry and IsTruncated to be false.
 		{
 			MaxUploads:  2,
-			Delimiter:   "/",
+			Delimiter:   SlashSeparator,
 			Prefix:      "",
 			IsTruncated: false,
 			Uploads: []MultipartInfo{
@@ -1170,7 +1170,7 @@ func testListMultipartUploads(obj ObjectLayer, instanceType string, t TestErrHan
 		{bucketNames[0], "orange", "", "", "", 2, listMultipartResults[12], nil, true},
 		{bucketNames[0], "Asia", "", "", "", 2, listMultipartResults[13], nil, true},
 		// setting delimiter (Test number 27).
-		{bucketNames[0], "", "", "", "/", 2, listMultipartResults[14], nil, true},
+		{bucketNames[0], "", "", "", SlashSeparator, 2, listMultipartResults[14], nil, true},
 		//Test case with multiple uploadID listing for given object (Test number 28).
 		{bucketNames[1], "", "", "", "", 100, listMultipartResults[15], nil, true},
 		// Test case with multiple uploadID listing for given object, but uploadID marker set.

cmd/object-api-utils.go

@@ -51,7 +51,7 @@ const (
 	// Multipart meta prefix.
 	mpartMetaPrefix = "multipart"
 	// MinIO Multipart meta prefix.
-	minioMetaMultipartBucket = minioMetaBucket + "/" + mpartMetaPrefix
+	minioMetaMultipartBucket = minioMetaBucket + SlashSeparator + mpartMetaPrefix
 	// MinIO Tmp meta prefix.
 	minioMetaTmpBucket = minioMetaBucket + "/tmp"
 	// DNS separator (period), used for bucket name validation.
@@ -131,12 +131,12 @@ func IsValidBucketName(bucket string) bool {
 //
 // - Backslash ("\")
 //
-// additionally minio does not support object names with trailing "/".
+// additionally minio does not support object names with trailing SlashSeparator.
 func IsValidObjectName(object string) bool {
 	if len(object) == 0 {
 		return false
 	}
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		return false
 	}
 	return IsValidObjectPrefix(object)
@@ -168,7 +168,7 @@ func checkObjectNameForLengthAndSlash(bucket, object string) error {
 		}
 	}
 	// Check for slash as prefix in object name
-	if hasPrefix(object, slashSeparator) {
+	if hasPrefix(object, SlashSeparator) {
 		return ObjectNamePrefixAsSlash{
 			Bucket: bucket,
 			Object: object,
@@ -177,20 +177,20 @@ func checkObjectNameForLengthAndSlash(bucket, object string) error {
 	return nil
 }
 
-// Slash separator.
-const slashSeparator = "/"
+// SlashSeparator - slash separator.
+const SlashSeparator = "/"
 
 // retainSlash - retains slash from a path.
 func retainSlash(s string) string {
-	return strings.TrimSuffix(s, slashSeparator) + slashSeparator
+	return strings.TrimSuffix(s, SlashSeparator) + SlashSeparator
 }
 
-// pathJoin - like path.Join() but retains trailing "/" of the last element
+// pathJoin - like path.Join() but retains trailing SlashSeparator of the last element
 func pathJoin(elem ...string) string {
 	trailingSlash := ""
 	if len(elem) > 0 {
-		if hasSuffix(elem[len(elem)-1], slashSeparator) {
-			trailingSlash = "/"
+		if hasSuffix(elem[len(elem)-1], SlashSeparator) {
+			trailingSlash = SlashSeparator
 		}
 	}
 	return path.Join(elem...) + trailingSlash
@@ -292,7 +292,7 @@ func isStringEqual(s1 string, s2 string) bool {
 
 // Ignores all reserved bucket names or invalid bucket names.
 func isReservedOrInvalidBucket(bucketEntry string, strict bool) bool {
-	bucketEntry = strings.TrimSuffix(bucketEntry, slashSeparator)
+	bucketEntry = strings.TrimSuffix(bucketEntry, SlashSeparator)
 	if strict {
 		if err := s3utils.CheckValidBucketNameStrict(bucketEntry); err != nil {
 			return true

cmd/object-handlers.go

@@ -1233,7 +1233,7 @@ func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Req
 
 	var objectEncryptionKey []byte
 	if objectAPI.IsEncryptionSupported() {
-		if hasServerSideEncryptionHeader(r.Header) && !hasSuffix(object, slashSeparator) { // handle SSE requests
+		if hasServerSideEncryptionHeader(r.Header) && !hasSuffix(object, SlashSeparator) { // handle SSE requests
 			reader, objectEncryptionKey, err = EncryptRequest(hashReader, r, bucket, object, metadata)
 			if err != nil {
 				writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL, guessIsBrowserReq(r))

cmd/object-handlers_test.go

@@ -482,7 +482,7 @@ func testAPIGetObjectHandler(obj ObjectLayer, instanceType, bucketName string, a
 
 			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
 				getAPIError(ErrNoSuchKey),
-				"/"+bucketName+"/"+". ./. ./etc", "", "")),
+				SlashSeparator+bucketName+SlashSeparator+". ./. ./etc", "", "")),
 			expectedRespStatus: http.StatusNotFound,
 		},
 		// Test case - 9.
@@ -496,7 +496,7 @@ func testAPIGetObjectHandler(obj ObjectLayer, instanceType, bucketName string, a
 
 			expectedContent: encodeResponse(getAPIErrorResponse(ctx,
 				getAPIError(ErrInvalidObjectName),
-				"/"+bucketName+"/"+". ./../etc", "", "")),
+				SlashSeparator+bucketName+SlashSeparator+". ./../etc", "", "")),
 			expectedRespStatus: http.StatusBadRequest,
 		},
 		// Test case - 10.
@@ -1593,7 +1593,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:         bucketName,
 			uploadID:           uploadID,
-			copySourceHeader:   url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:   url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
 			expectedRespStatus: http.StatusOK,
@@ -1604,7 +1604,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/"),
+			copySourceHeader: url.QueryEscape(SlashSeparator),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1617,7 +1617,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + testObject),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + testObject),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1629,7 +1629,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceRange:  "bytes=500-4096",
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
@@ -1642,7 +1642,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceRange:  "bytes=6145-",
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
@@ -1655,7 +1655,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceRange:  "bytes=0-6144",
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
@@ -1683,7 +1683,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + "non-existent-object"),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + "non-existent-object"),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1697,7 +1697,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       "non-existent-destination-bucket",
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1709,7 +1709,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         uploadID,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        "Invalid-AccessID",
 			secretKey:        credentials.SecretKey,
 
@@ -1721,7 +1721,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:       bucketName,
 			uploadID:         "-1",
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1732,7 +1732,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:         bucketName,
 			uploadID:           uploadID,
-			copySourceHeader:   url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:   url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			invalidPartNumber:  true,
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
@@ -1743,7 +1743,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:         bucketName,
 			uploadID:           uploadID,
-			copySourceHeader:   url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:   url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			maximumPartNumber:  true,
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
@@ -1753,7 +1753,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:         bucketName,
 			uploadID:           uploadID,
-			copySourceHeader:   url.QueryEscape("/"+bucketName+"/"+objectName) + "?versionId=null",
+			copySourceHeader:   url.QueryEscape(SlashSeparator+bucketName+SlashSeparator+objectName) + "?versionId=null",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
 			expectedRespStatus: http.StatusOK,
@@ -1762,7 +1762,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:         bucketName,
 			uploadID:           uploadID,
-			copySourceHeader:   url.QueryEscape("/"+bucketName+"/"+objectName) + "?versionId=17",
+			copySourceHeader:   url.QueryEscape(SlashSeparator+bucketName+SlashSeparator+objectName) + "?versionId=17",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
 			expectedRespStatus: http.StatusNotFound,
@@ -1771,7 +1771,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:          bucketName,
 			uploadID:            uploadID,
-			copySourceHeader:    url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:    url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceVersionID: "null",
 			accessKey:           credentials.AccessKey,
 			secretKey:           credentials.SecretKey,
@@ -1781,7 +1781,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 		{
 			bucketName:          bucketName,
 			uploadID:            uploadID,
-			copySourceHeader:    url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:    url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceVersionID: "17",
 			accessKey:           credentials.AccessKey,
 			secretKey:           credentials.SecretKey,
@@ -1852,7 +1852,7 @@ func testAPICopyObjectPartHandler(obj ObjectLayer, instanceType, bucketName stri
 	// Below is how CopyObjectPartHandler is registered.
 	// bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(api.CopyObjectPartHandler).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
 	// Its necessary to set the "X-Amz-Copy-Source" header for the request to be accepted by the handler.
-	nilReq.Header.Set("X-Amz-Copy-Source", url.QueryEscape("/"+nilBucket+"/"+nilObject))
+	nilReq.Header.Set("X-Amz-Copy-Source", url.QueryEscape(SlashSeparator+nilBucket+SlashSeparator+nilObject))
 
 	// execute the object layer set to `nil` test.
 	// `ExecObjectLayerAPINilTest` manages the operation.
@@ -1947,7 +1947,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    "newObject1",
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 			metadata: map[string]string{
@@ -1961,7 +1961,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    "newObject1",
-			copySourceHeader: url.QueryEscape("/"),
+			copySourceHeader: url.QueryEscape(SlashSeparator),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1973,7 +1973,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1986,7 +1986,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape(bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(bucketName + SlashSeparator + objectName),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -1999,7 +1999,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			metadata: map[string]string{
 				"Content-Type": "application/json",
 			},
@@ -2015,7 +2015,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    "newObject1",
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			metadata: map[string]string{
 				"Content-Type": "application/json",
 			},
@@ -2032,7 +2032,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			metadata: map[string]string{
 				"Content-Type": "application/json",
 			},
@@ -2050,7 +2050,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + "non-existent-object"),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + "non-existent-object"),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -2064,7 +2064,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       "non-existent-destination-bucket",
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        credentials.AccessKey,
 			secretKey:        credentials.SecretKey,
 
@@ -2076,7 +2076,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:       bucketName,
 			newObjectName:    objectName,
-			copySourceHeader: url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			accessKey:        "Invalid-AccessID",
 			secretKey:        credentials.SecretKey,
 
@@ -2086,7 +2086,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:         bucketName,
 			newObjectName:      "newObject1",
-			copySourceHeader:   url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:   url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copyModifiedHeader: "Mon, 02 Jan 2006 15:04:05 GMT",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
@@ -2096,7 +2096,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:         bucketName,
 			newObjectName:      "newObject1",
-			copySourceHeader:   url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:   url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copyModifiedHeader: "Mon, 02 Jan 2217 15:04:05 GMT",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
@@ -2106,7 +2106,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:         bucketName,
 			newObjectName:      "newObject1",
-			copySourceHeader:   url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:   url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copyModifiedHeader: "Mon, 02 Jan 2217 15:04:05 +00:00",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
@@ -2116,7 +2116,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:           bucketName,
 			newObjectName:        "newObject1",
-			copySourceHeader:     url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:     url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copyUnmodifiedHeader: "Mon, 02 Jan 2217 15:04:05 GMT",
 			accessKey:            credentials.AccessKey,
 			secretKey:            credentials.SecretKey,
@@ -2126,7 +2126,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:           bucketName,
 			newObjectName:        "newObject1",
-			copySourceHeader:     url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:     url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copyUnmodifiedHeader: "Mon, 02 Jan 2007 15:04:05 GMT",
 			accessKey:            credentials.AccessKey,
 			secretKey:            credentials.SecretKey,
@@ -2136,7 +2136,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:           bucketName,
 			newObjectName:        "newObject1",
-			copySourceHeader:     url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:     url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copyUnmodifiedHeader: "Mon, 02 Jan 2007 15:04:05 +00:00",
 			accessKey:            credentials.AccessKey,
 			secretKey:            credentials.SecretKey,
@@ -2146,7 +2146,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:         bucketName,
 			newObjectName:      "newObject1",
-			copySourceHeader:   url.QueryEscape("/"+bucketName+"/"+objectName) + "?versionId=null",
+			copySourceHeader:   url.QueryEscape(SlashSeparator+bucketName+SlashSeparator+objectName) + "?versionId=null",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
 			expectedRespStatus: http.StatusOK,
@@ -2155,7 +2155,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:         bucketName,
 			newObjectName:      "newObject1",
-			copySourceHeader:   url.QueryEscape("/"+bucketName+"/"+objectName) + "?versionId=17",
+			copySourceHeader:   url.QueryEscape(SlashSeparator+bucketName+SlashSeparator+objectName) + "?versionId=17",
 			accessKey:          credentials.AccessKey,
 			secretKey:          credentials.SecretKey,
 			expectedRespStatus: http.StatusNotFound,
@@ -2164,7 +2164,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:          bucketName,
 			newObjectName:       "newObject1",
-			copySourceHeader:    url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:    url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceVersionID: "null",
 			accessKey:           credentials.AccessKey,
 			secretKey:           credentials.SecretKey,
@@ -2174,7 +2174,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 		{
 			bucketName:          bucketName,
 			newObjectName:       "newObject1",
-			copySourceHeader:    url.QueryEscape("/" + bucketName + "/" + objectName),
+			copySourceHeader:    url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + objectName),
 			copySourceVersionID: "17",
 			accessKey:           credentials.AccessKey,
 			secretKey:           credentials.SecretKey,
@@ -2307,7 +2307,7 @@ func testAPICopyObjectHandler(obj ObjectLayer, instanceType, bucketName string,
 	// Below is how CopyObjectHandler is registered.
 	// bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?")
 	// Its necessary to set the "X-Amz-Copy-Source" header for the request to be accepted by the handler.
-	nilReq.Header.Set("X-Amz-Copy-Source", url.QueryEscape("/"+nilBucket+"/"+nilObject))
+	nilReq.Header.Set("X-Amz-Copy-Source", url.QueryEscape(SlashSeparator+nilBucket+SlashSeparator+nilObject))
 	if err != nil {
 		t.Errorf("MinIO %s: Failed to create HTTP request for testing the response when object Layer is set to `nil`.", instanceType)
 	}

cmd/object_api_suite_test.go

@@ -340,7 +340,7 @@ func testPaging(obj ObjectLayer, instanceType string, t TestErrHandler) {
 		if err != nil {
 			t.Fatalf("%s: <ERROR> %s", instanceType, err)
 		}
-		result, err = obj.ListObjects(context.Background(), "bucket", "this/is/", "", "/", 10)
+		result, err = obj.ListObjects(context.Background(), "bucket", "this/is/", "", SlashSeparator, 10)
 		if err != nil {
 			t.Fatalf("%s: <ERROR> %s", instanceType, err)
 		}
@@ -354,7 +354,7 @@ func testPaging(obj ObjectLayer, instanceType string, t TestErrHandler) {
 
 	// check delimited results with delimiter without prefix.
 	{
-		result, err = obj.ListObjects(context.Background(), "bucket", "", "", "/", 1000)
+		result, err = obj.ListObjects(context.Background(), "bucket", "", "", SlashSeparator, 1000)
 		if err != nil {
 			t.Fatalf("%s: <ERROR> %s", instanceType, err)
 		}

cmd/peer-rest-server.go

@@ -808,38 +808,38 @@ func (s *peerRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
 func registerPeerRESTHandlers(router *mux.Router) {
 	server := &peerRESTServer{}
 	subrouter := router.PathPrefix(peerRESTPath).Subrouter()
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodGetLocks).HandlerFunc(httpTraceHdrs(server.GetLocksHandler))
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodServerInfo).HandlerFunc(httpTraceHdrs(server.ServerInfoHandler))
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodCPULoadInfo).HandlerFunc(httpTraceHdrs(server.CPULoadInfoHandler))
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodMemUsageInfo).HandlerFunc(httpTraceHdrs(server.MemUsageInfoHandler))
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodDrivePerfInfo).HandlerFunc(httpTraceHdrs(server.DrivePerfInfoHandler))
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodDeleteBucket).HandlerFunc(httpTraceHdrs(server.DeleteBucketHandler)).Queries(restQueries(peerRESTBucket)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodSignalService).HandlerFunc(httpTraceHdrs(server.SignalServiceHandler)).Queries(restQueries(peerRESTSignal)...)
-
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketPolicyRemove).HandlerFunc(httpTraceAll(server.RemoveBucketPolicyHandler)).Queries(restQueries(peerRESTBucket)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketPolicySet).HandlerFunc(httpTraceHdrs(server.SetBucketPolicyHandler)).Queries(restQueries(peerRESTBucket)...)
-
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodDeletePolicy).HandlerFunc(httpTraceAll(server.LoadPolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodLoadPolicy).HandlerFunc(httpTraceAll(server.LoadPolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodDeleteUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodLoadUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser, peerRESTUserTemp)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodLoadUsers).HandlerFunc(httpTraceAll(server.LoadUsersHandler))
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodLoadGroup).HandlerFunc(httpTraceAll(server.LoadGroupHandler)).Queries(restQueries(peerRESTGroup)...)
-
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodStartProfiling).HandlerFunc(httpTraceAll(server.StartProfilingHandler)).Queries(restQueries(peerRESTProfiler)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodDownloadProfilingData).HandlerFunc(httpTraceHdrs(server.DownloadProflingDataHandler))
-
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodTargetExists).HandlerFunc(httpTraceHdrs(server.TargetExistsHandler)).Queries(restQueries(peerRESTBucket)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodSendEvent).HandlerFunc(httpTraceHdrs(server.SendEventHandler)).Queries(restQueries(peerRESTBucket)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketNotificationPut).HandlerFunc(httpTraceHdrs(server.PutBucketNotificationHandler)).Queries(restQueries(peerRESTBucket)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketNotificationListen).HandlerFunc(httpTraceHdrs(server.ListenBucketNotificationHandler)).Queries(restQueries(peerRESTBucket)...)
-
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodReloadFormat).HandlerFunc(httpTraceHdrs(server.ReloadFormatHandler)).Queries(restQueries(peerRESTDryRun)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketLifecycleSet).HandlerFunc(httpTraceHdrs(server.SetBucketLifecycleHandler)).Queries(restQueries(peerRESTBucket)...)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketLifecycleRemove).HandlerFunc(httpTraceHdrs(server.RemoveBucketLifecycleHandler)).Queries(restQueries(peerRESTBucket)...)
-
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodTrace).HandlerFunc(server.TraceHandler)
-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBackgroundHealStatus).HandlerFunc(server.BackgroundHealStatusHandler)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodGetLocks).HandlerFunc(httpTraceHdrs(server.GetLocksHandler))
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodServerInfo).HandlerFunc(httpTraceHdrs(server.ServerInfoHandler))
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodCPULoadInfo).HandlerFunc(httpTraceHdrs(server.CPULoadInfoHandler))
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodMemUsageInfo).HandlerFunc(httpTraceHdrs(server.MemUsageInfoHandler))
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodDrivePerfInfo).HandlerFunc(httpTraceHdrs(server.DrivePerfInfoHandler))
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodDeleteBucket).HandlerFunc(httpTraceHdrs(server.DeleteBucketHandler)).Queries(restQueries(peerRESTBucket)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodSignalService).HandlerFunc(httpTraceHdrs(server.SignalServiceHandler)).Queries(restQueries(peerRESTSignal)...)
+
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBucketPolicyRemove).HandlerFunc(httpTraceAll(server.RemoveBucketPolicyHandler)).Queries(restQueries(peerRESTBucket)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBucketPolicySet).HandlerFunc(httpTraceHdrs(server.SetBucketPolicyHandler)).Queries(restQueries(peerRESTBucket)...)
+
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodDeletePolicy).HandlerFunc(httpTraceAll(server.LoadPolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodLoadPolicy).HandlerFunc(httpTraceAll(server.LoadPolicyHandler)).Queries(restQueries(peerRESTPolicy)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodDeleteUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodLoadUser).HandlerFunc(httpTraceAll(server.LoadUserHandler)).Queries(restQueries(peerRESTUser, peerRESTUserTemp)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodLoadUsers).HandlerFunc(httpTraceAll(server.LoadUsersHandler))
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodLoadGroup).HandlerFunc(httpTraceAll(server.LoadGroupHandler)).Queries(restQueries(peerRESTGroup)...)
+
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodStartProfiling).HandlerFunc(httpTraceAll(server.StartProfilingHandler)).Queries(restQueries(peerRESTProfiler)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodDownloadProfilingData).HandlerFunc(httpTraceHdrs(server.DownloadProflingDataHandler))
+
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodTargetExists).HandlerFunc(httpTraceHdrs(server.TargetExistsHandler)).Queries(restQueries(peerRESTBucket)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodSendEvent).HandlerFunc(httpTraceHdrs(server.SendEventHandler)).Queries(restQueries(peerRESTBucket)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBucketNotificationPut).HandlerFunc(httpTraceHdrs(server.PutBucketNotificationHandler)).Queries(restQueries(peerRESTBucket)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBucketNotificationListen).HandlerFunc(httpTraceHdrs(server.ListenBucketNotificationHandler)).Queries(restQueries(peerRESTBucket)...)
+
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodReloadFormat).HandlerFunc(httpTraceHdrs(server.ReloadFormatHandler)).Queries(restQueries(peerRESTDryRun)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBucketLifecycleSet).HandlerFunc(httpTraceHdrs(server.SetBucketLifecycleHandler)).Queries(restQueries(peerRESTBucket)...)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBucketLifecycleRemove).HandlerFunc(httpTraceHdrs(server.RemoveBucketLifecycleHandler)).Queries(restQueries(peerRESTBucket)...)
+
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodTrace).HandlerFunc(server.TraceHandler)
+	subrouter.Methods(http.MethodPost).Path(SlashSeparator + peerRESTMethodBackgroundHealStatus).HandlerFunc(server.BackgroundHealStatusHandler)
 
 	router.NotFoundHandler = http.HandlerFunc(httpTraceAll(notFoundHandler))
 }

cmd/posix-list-dir_other.go

@@ -86,7 +86,7 @@ func readDirN(dirPath string, count int) (entries []string, err error) {
 				}
 				// Append to entries if symbolic link exists and is valid.
 				if st.IsDir() {
-					entries = append(entries, fi.Name()+slashSeparator)
+					entries = append(entries, fi.Name()+SlashSeparator)
 				} else if st.Mode().IsRegular() {
 					entries = append(entries, fi.Name())
 				}
@@ -96,8 +96,8 @@ func readDirN(dirPath string, count int) (entries []string, err error) {
 				continue
 			}
 			if fi.Mode().IsDir() {
-				// Append "/" instead of "\" so that sorting is achieved as expected.
-				entries = append(entries, fi.Name()+slashSeparator)
+				// Append SlashSeparator instead of "\" so that sorting is achieved as expected.
+				entries = append(entries, fi.Name()+SlashSeparator)
 			} else if fi.Mode().IsRegular() {
 				entries = append(entries, fi.Name())
 			}

cmd/posix-list-dir_unix.go

@@ -69,7 +69,7 @@ func parseDirents(dirPath string, buf []byte) (entries []string, err error) {
 
 		switch dirent.Type {
 		case syscall.DT_DIR:
-			entries = append(entries, name+slashSeparator)
+			entries = append(entries, name+SlashSeparator)
 		case syscall.DT_REG:
 			entries = append(entries, name)
 		case syscall.DT_LNK, syscall.DT_UNKNOWN:
@@ -89,7 +89,7 @@ func parseDirents(dirPath string, buf []byte) (entries []string, err error) {
 				return nil, err
 			}
 			if fi.IsDir() {
-				entries = append(entries, name+slashSeparator)
+				entries = append(entries, name+SlashSeparator)
 			} else if fi.Mode().IsRegular() {
 				entries = append(entries, name)
 			}

cmd/posix-list-dir_windows.go

@@ -92,12 +92,12 @@ func readDirN(dirPath string, count int) (entries []string, err error) {
 				return nil, err
 			}
 			if fi.IsDir() {
-				entries = append(entries, name+slashSeparator)
+				entries = append(entries, name+SlashSeparator)
 			} else if fi.Mode().IsRegular() {
 				entries = append(entries, name)
 			}
 		case data.FileAttributes&syscall.FILE_ATTRIBUTE_DIRECTORY != 0:
-			entries = append(entries, name+slashSeparator)
+			entries = append(entries, name+SlashSeparator)
 		default:
 			entries = append(entries, name)
 		}

cmd/posix.go

@@ -95,7 +95,7 @@ func checkPathLength(pathName string) error {
 	}
 
 	// Check each path segment length is > 255
-	for len(pathName) > 0 && pathName != "." && pathName != "/" {
+	for len(pathName) > 0 && pathName != "." && pathName != SlashSeparator {
 		dir, file := slashpath.Dir(pathName), slashpath.Base(pathName)
 
 		if len(file) > 255 {
@@ -558,7 +558,7 @@ func listVols(dirPath string) ([]VolInfo, error) {
 	}
 	var volsInfo []VolInfo
 	for _, entry := range entries {
-		if !hasSuffix(entry, slashSeparator) || !isValidVolname(slashpath.Clean(entry)) {
+		if !hasSuffix(entry, SlashSeparator) || !isValidVolname(slashpath.Clean(entry)) {
 			// Skip if entry is neither a directory not a valid volume name.
 			continue
 		}
@@ -718,7 +718,7 @@ func (s *posix) Walk(volume, dirPath, marker string, recursive bool, leafFile st
 				return
 			}
 			var fi FileInfo
-			if hasSuffix(walkResult.entry, slashSeparator) {
+			if hasSuffix(walkResult.entry, SlashSeparator) {
 				fi = FileInfo{
 					Volume: volume,
 					Name:   walkResult.entry,
@@ -743,7 +743,7 @@ func (s *posix) Walk(volume, dirPath, marker string, recursive bool, leafFile st
 }
 
 // ListDir - return all the entries at the given directory path.
-// If an entry is a directory it will be returned with a trailing "/".
+// If an entry is a directory it will be returned with a trailing SlashSeparator.
 func (s *posix) ListDir(volume, dirPath string, count int, leafFile string) (entries []string, err error) {
 	defer func() {
 		if err == errFaultyDisk {
@@ -786,7 +786,7 @@ func (s *posix) ListDir(volume, dirPath string, count int, leafFile string) (ent
 	if leafFile != "" {
 		for i, entry := range entries {
 			if _, serr := os.Stat(pathJoin(dirPath, entry, leafFile)); serr == nil {
-				entries[i] = strings.TrimSuffix(entry, slashSeparator)
+				entries[i] = strings.TrimSuffix(entry, SlashSeparator)
 			}
 		}
 	}
@@ -1390,7 +1390,7 @@ func deleteFile(basePath, deletePath string) error {
 
 	// Trailing slash is removed when found to ensure
 	// slashpath.Dir() to work as intended.
-	deletePath = strings.TrimSuffix(deletePath, slashSeparator)
+	deletePath = strings.TrimSuffix(deletePath, SlashSeparator)
 	deletePath = slashpath.Dir(deletePath)
 
 	// Delete parent directory. Errors for parent directories shouldn't trickle down.
@@ -1430,7 +1430,7 @@ func (s *posix) DeleteFile(volume, path string) (err error) {
 		return err
 	}
 
-	// Following code is needed so that we retain "/" suffix if any in
+	// Following code is needed so that we retain SlashSeparator suffix if any in
 	// path argument.
 	filePath := pathJoin(volumeDir, path)
 	if err = checkPathLength((filePath)); err != nil {
@@ -1492,8 +1492,8 @@ func (s *posix) RenameFile(srcVolume, srcPath, dstVolume, dstPath string) (err e
 		}
 	}
 
-	srcIsDir := hasSuffix(srcPath, slashSeparator)
-	dstIsDir := hasSuffix(dstPath, slashSeparator)
+	srcIsDir := hasSuffix(srcPath, SlashSeparator)
+	dstIsDir := hasSuffix(dstPath, SlashSeparator)
 	// Either src and dst have to be directories or files, else return error.
 	if !(srcIsDir && dstIsDir || !srcIsDir && !dstIsDir) {
 		return errFileAccessDenied

cmd/posix_test.go

@@ -69,7 +69,7 @@ func TestIsValidVolname(t *testing.T) {
 		// cases for which test should fail.
 		// passing invalid bucket names.
 		{"", false},
-		{"/", false},
+		{SlashSeparator, false},
 		{"a", false},
 		{"ab", false},
 		{"ab/", true},
@@ -319,9 +319,9 @@ func TestPosixReadAll(t *testing.T) {
 // TestPosixNewPosix all the cases handled in posix storage layer initialization.
 func TestPosixNewPosix(t *testing.T) {
 	// Temporary dir name.
-	tmpDirName := globalTestTmpDir + "/" + "minio-" + nextSuffix()
+	tmpDirName := globalTestTmpDir + SlashSeparator + "minio-" + nextSuffix()
 	// Temporary file name.
-	tmpFileName := globalTestTmpDir + "/" + "minio-" + nextSuffix()
+	tmpFileName := globalTestTmpDir + SlashSeparator + "minio-" + nextSuffix()
 	f, _ := os.Create(tmpFileName)
 	f.Close()
 	defer os.Remove(tmpFileName)

cmd/rest/client.go

@@ -52,9 +52,15 @@ type Client struct {
 	newAuthToken        func() string
 }
 
+// URL query separator constants
+const (
+	resourceSep = "/"
+	querySep    = "?"
+)
+
 // CallWithContext - make a REST call with context.
 func (c *Client) CallWithContext(ctx context.Context, method string, values url.Values, body io.Reader, length int64) (reply io.ReadCloser, err error) {
-	req, err := http.NewRequest(http.MethodPost, c.url.String()+"/"+method+"?"+values.Encode(), body)
+	req, err := http.NewRequest(http.MethodPost, c.url.String()+resourceSep+method+querySep+values.Encode(), body)
 	if err != nil {
 		return nil, &NetworkError{err}
 	}

cmd/server_test.go

@@ -1000,7 +1000,7 @@ func (s *TestSuiteCommon) TestMultipleObjects(c *check) {
 func (s *TestSuiteCommon) TestNotImplemented(c *check) {
 	// Generate a random bucket name.
 	bucketName := getRandomBucketName()
-	request, err := newTestSignedRequest("GET", s.endPoint+"/"+bucketName+"/object?policy",
+	request, err := newTestSignedRequest("GET", s.endPoint+SlashSeparator+bucketName+"/object?policy",
 		0, nil, s.accessKey, s.secretKey, s.signer)
 	c.Assert(err, nil)
 
@@ -1111,7 +1111,7 @@ func (s *TestSuiteCommon) TestCopyObject(c *check) {
 	request, err = newTestRequest("PUT", getPutObjectURL(s.endPoint, bucketName, objectName2), 0, nil)
 	c.Assert(err, nil)
 	// setting the "X-Amz-Copy-Source" to allow copying the content of previously uploaded object.
-	request.Header.Set("X-Amz-Copy-Source", url.QueryEscape("/"+bucketName+"/"+objectName))
+	request.Header.Set("X-Amz-Copy-Source", url.QueryEscape(SlashSeparator+bucketName+SlashSeparator+objectName))
 	if s.signer == signerV4 {
 		err = signRequestV4(request, s.accessKey, s.secretKey)
 	} else {
@@ -1821,7 +1821,7 @@ func (s *TestSuiteCommon) TestPutBucketErrors(c *check) {
 
 	// request for ACL.
 	// Since MinIO server doesn't support ACL's the request is expected to fail with  "NotImplemented" error message.
-	request, err = newTestSignedRequest("PUT", s.endPoint+"/"+bucketName+"?acl",
+	request, err = newTestSignedRequest("PUT", s.endPoint+SlashSeparator+bucketName+"?acl",
 		0, nil, s.accessKey, s.secretKey, s.signer)
 	c.Assert(err, nil)
 

cmd/signature-v2.go

@@ -209,7 +209,7 @@ func getReqAccessKeyV2(r *http.Request) (auth.Credentials, bool, APIErrorCode) {
 //  	CanonicalizedProtocolHeaders +
 //  	CanonicalizedResource;
 //
-// CanonicalizedResource = [ "/" + Bucket ] +
+// CanonicalizedResource = [ SlashSeparator + Bucket ] +
 //  	<HTTP-Request-URI, from the protocol name up to the query string> +
 //  	[ subresource, if present. For example "?acl", "?location", "?logging", or "?torrent"];
 //

cmd/signature-v4-parser.go

@@ -44,7 +44,7 @@ func (c credentialHeader) getScope() string {
 		c.scope.region,
 		c.scope.service,
 		c.scope.request,
-	}, "/")
+	}, SlashSeparator)
 }
 
 func getReqAccessKeyV4(r *http.Request, region string, stype serviceType) (auth.Credentials, bool, APIErrorCode) {
@@ -73,11 +73,11 @@ func parseCredentialHeader(credElement string, region string, stype serviceType)
 	if creds[0] != "Credential" {
 		return ch, ErrMissingCredTag
 	}
-	credElements := strings.Split(strings.TrimSpace(creds[1]), "/")
+	credElements := strings.Split(strings.TrimSpace(creds[1]), SlashSeparator)
 	if len(credElements) < 5 {
 		return ch, ErrCredMalformed
 	}
-	accessKey := strings.Join(credElements[:len(credElements)-4], "/") // The access key may contain one or more `/`
+	accessKey := strings.Join(credElements[:len(credElements)-4], SlashSeparator) // The access key may contain one or more `/`
 	if !auth.IsAccessKeyValid(accessKey) {
 		return ch, ErrInvalidAccessKeyID
 	}

cmd/signature-v4-parser_test.go

@@ -36,7 +36,7 @@ func joinWithSlash(accessKey, date, region, service, requestVersion string) stri
 		date,
 		region,
 		service,
-		requestVersion}, "/")
+		requestVersion}, SlashSeparator)
 }
 
 // generate CredentialHeader from its fields.
@@ -79,12 +79,12 @@ func validateCredentialfields(t *testing.T, testNum int, expectedCredentials cre
 
 // TestParseCredentialHeader - validates the format validator and extractor for the Credential header in an aws v4 request.
 // A valid format of creadential should be of the following format.
-// Credential = accessKey + "/"+ scope
+// Credential = accessKey + SlashSeparator+ scope
 // where scope = string.Join([]string{  currTime.Format(yyyymmdd),
 // 			globalMinioDefaultRegion,
 //               	"s3",
 //		        "aws4_request",
-//                       },"/")
+//                       },SlashSeparator)
 func TestParseCredentialHeader(t *testing.T) {
 
 	sampleTimeStr := UTCNow().Format(yyyymmdd)

cmd/signature-v4.go

@@ -120,7 +120,7 @@ func getScope(t time.Time, region string) string {
 		region,
 		string(serviceS3),
 		"aws4_request",
-	}, "/")
+	}, SlashSeparator)
 	return scope
 }
 
@@ -248,7 +248,7 @@ func doesPresignedSignatureMatch(hashedPayload string, r *http.Request, region s
 	query.Set(xhttp.AmzDate, t.Format(iso8601Format))
 	query.Set(xhttp.AmzExpires, strconv.Itoa(expireSeconds))
 	query.Set(xhttp.AmzSignedHeaders, getSignedHeaders(extractedSignedHeaders))
-	query.Set(xhttp.AmzCredential, cred.AccessKey+"/"+pSignValues.Credential.getScope())
+	query.Set(xhttp.AmzCredential, cred.AccessKey+SlashSeparator+pSignValues.Credential.getScope())
 
 	// Save other headers available in the request parameters.
 	for k, v := range req.URL.Query() {

cmd/storage-rest-common.go

@@ -17,7 +17,7 @@
 package cmd
 
 const storageRESTVersion = "v8"
-const storageRESTPath = minioReservedBucketPath + "/storage/" + storageRESTVersion + "/"
+const storageRESTPath = minioReservedBucketPath + "/storage/" + storageRESTVersion + SlashSeparator
 
 const (
 	storageRESTMethodDiskInfo  = "diskinfo"

cmd/storage-rest-server.go

@@ -567,41 +567,41 @@ func registerStorageRESTHandlers(router *mux.Router, endpoints EndpointList) {
 
 		subrouter := router.PathPrefix(path.Join(storageRESTPath, endpoint.Path)).Subrouter()
 
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDiskInfo).HandlerFunc(httpTraceHdrs(server.DiskInfoHandler))
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodMakeVol).HandlerFunc(httpTraceHdrs(server.MakeVolHandler)).Queries(restQueries(storageRESTVolume)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodStatVol).HandlerFunc(httpTraceHdrs(server.StatVolHandler)).Queries(restQueries(storageRESTVolume)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteVol).HandlerFunc(httpTraceHdrs(server.DeleteVolHandler)).Queries(restQueries(storageRESTVolume)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodListVols).HandlerFunc(httpTraceHdrs(server.ListVolsHandler))
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodDiskInfo).HandlerFunc(httpTraceHdrs(server.DiskInfoHandler))
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodMakeVol).HandlerFunc(httpTraceHdrs(server.MakeVolHandler)).Queries(restQueries(storageRESTVolume)...)
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodStatVol).HandlerFunc(httpTraceHdrs(server.StatVolHandler)).Queries(restQueries(storageRESTVolume)...)
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodDeleteVol).HandlerFunc(httpTraceHdrs(server.DeleteVolHandler)).Queries(restQueries(storageRESTVolume)...)
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodListVols).HandlerFunc(httpTraceHdrs(server.ListVolsHandler))
 
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodAppendFile).HandlerFunc(httpTraceHdrs(server.AppendFileHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodAppendFile).HandlerFunc(httpTraceHdrs(server.AppendFileHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodWriteAll).HandlerFunc(httpTraceHdrs(server.WriteAllHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodWriteAll).HandlerFunc(httpTraceHdrs(server.WriteAllHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodCreateFile).HandlerFunc(httpTraceHdrs(server.CreateFileHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodCreateFile).HandlerFunc(httpTraceHdrs(server.CreateFileHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTLength)...)
 
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodStatFile).HandlerFunc(httpTraceHdrs(server.StatFileHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodStatFile).HandlerFunc(httpTraceHdrs(server.StatFileHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadAll).HandlerFunc(httpTraceHdrs(server.ReadAllHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodReadAll).HandlerFunc(httpTraceHdrs(server.ReadAllHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadFile).HandlerFunc(httpTraceHdrs(server.ReadFileHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodReadFile).HandlerFunc(httpTraceHdrs(server.ReadFileHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength, storageRESTBitrotAlgo, storageRESTBitrotHash)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodReadFileStream).HandlerFunc(httpTraceHdrs(server.ReadFileStreamHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodReadFileStream).HandlerFunc(httpTraceHdrs(server.ReadFileStreamHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTOffset, storageRESTLength)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodListDir).HandlerFunc(httpTraceHdrs(server.ListDirHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodListDir).HandlerFunc(httpTraceHdrs(server.ListDirHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTCount, storageRESTLeafFile)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodWalk).HandlerFunc(httpTraceHdrs(server.WalkHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodWalk).HandlerFunc(httpTraceHdrs(server.WalkHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTDirPath, storageRESTMarkerPath, storageRESTRecursive, storageRESTLeafFile)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteFile).HandlerFunc(httpTraceHdrs(server.DeleteFileHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodDeleteFile).HandlerFunc(httpTraceHdrs(server.DeleteFileHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodDeleteFileBulk).HandlerFunc(httpTraceHdrs(server.DeleteFileBulkHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodDeleteFileBulk).HandlerFunc(httpTraceHdrs(server.DeleteFileBulkHandler)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath)...)
 
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodRenameFile).HandlerFunc(httpTraceHdrs(server.RenameFileHandler)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodRenameFile).HandlerFunc(httpTraceHdrs(server.RenameFileHandler)).
 			Queries(restQueries(storageRESTSrcVolume, storageRESTSrcPath, storageRESTDstVolume, storageRESTDstPath)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodVerifyFile).HandlerFunc(httpTraceHdrs(server.VerifyFile)).
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodVerifyFile).HandlerFunc(httpTraceHdrs(server.VerifyFile)).
 			Queries(restQueries(storageRESTVolume, storageRESTFilePath, storageRESTBitrotAlgo, storageRESTLength)...)
-		subrouter.Methods(http.MethodPost).Path("/" + storageRESTMethodGetInstanceID).HandlerFunc(httpTraceAll(server.GetInstanceID))
+		subrouter.Methods(http.MethodPost).Path(SlashSeparator + storageRESTMethodGetInstanceID).HandlerFunc(httpTraceAll(server.GetInstanceID))
 	}
 
 	router.NotFoundHandler = http.HandlerFunc(httpTraceAll(notFoundHandler))

cmd/sts-handlers.go

@@ -53,7 +53,7 @@ func registerSTSRouter(router *mux.Router) {
 	sts := &stsAPIHandlers{}
 
 	// STS Router
-	stsRouter := router.NewRoute().PathPrefix("/").Subrouter()
+	stsRouter := router.NewRoute().PathPrefix(SlashSeparator).Subrouter()
 
 	// Assume roles with no JWT, handles AssumeRole.
 	stsRouter.Methods(http.MethodPost).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) bool {

cmd/test-utils_test.go

@@ -707,7 +707,7 @@ func signStreamingRequest(req *http.Request, accessKey, secretKey string, currTi
 		globalMinioDefaultRegion,
 		string(serviceS3),
 		"aws4_request",
-	}, "/")
+	}, SlashSeparator)
 
 	stringToSign := "AWS4-HMAC-SHA256" + "\n" + currTime.Format(iso8601Format) + "\n"
 	stringToSign = stringToSign + scope + "\n"
@@ -722,7 +722,7 @@ func signStreamingRequest(req *http.Request, accessKey, secretKey string, currTi
 
 	// final Authorization header
 	parts := []string{
-		"AWS4-HMAC-SHA256" + " Credential=" + accessKey + "/" + scope,
+		"AWS4-HMAC-SHA256" + " Credential=" + accessKey + SlashSeparator + scope,
 		"SignedHeaders=" + signedHeaders,
 		"Signature=" + signature,
 	}
@@ -787,7 +787,7 @@ func assembleStreamingChunks(req *http.Request, body io.ReadSeeker, chunkSize in
 			regionStr,
 			string(serviceS3),
 			"aws4_request",
-		}, "/")
+		}, SlashSeparator)
 
 		stringToSign := "AWS4-HMAC-SHA256-PAYLOAD" + "\n"
 		stringToSign = stringToSign + currTime.Format(iso8601Format) + "\n"
@@ -1062,7 +1062,7 @@ func signRequestV4(req *http.Request, accessKey, secretKey string) error {
 		region,
 		string(serviceS3),
 		"aws4_request",
-	}, "/")
+	}, SlashSeparator)
 
 	stringToSign := "AWS4-HMAC-SHA256" + "\n" + currTime.Format(iso8601Format) + "\n"
 	stringToSign = stringToSign + scope + "\n"
@@ -1077,7 +1077,7 @@ func signRequestV4(req *http.Request, accessKey, secretKey string) error {
 
 	// final Authorization header
 	parts := []string{
-		"AWS4-HMAC-SHA256" + " Credential=" + accessKey + "/" + scope,
+		"AWS4-HMAC-SHA256" + " Credential=" + accessKey + SlashSeparator + scope,
 		"SignedHeaders=" + signedHeaders,
 		"Signature=" + signature,
 	}
@@ -1089,7 +1089,7 @@ func signRequestV4(req *http.Request, accessKey, secretKey string) error {
 
 // getCredentialString generate a credential string.
 func getCredentialString(accessKeyID, location string, t time.Time) string {
-	return accessKeyID + "/" + getScope(t, location)
+	return accessKeyID + SlashSeparator + getScope(t, location)
 }
 
 // getMD5HashBase64 returns MD5 hash in base64 encoding of given data.
@@ -1360,9 +1360,9 @@ func (t *EOFWriter) Write(p []byte) (n int, err error) {
 
 // construct URL for http requests for bucket operations.
 func makeTestTargetURL(endPoint, bucketName, objectName string, queryValues url.Values) string {
-	urlStr := endPoint + "/"
+	urlStr := endPoint + SlashSeparator
 	if bucketName != "" {
-		urlStr = urlStr + bucketName + "/"
+		urlStr = urlStr + bucketName + SlashSeparator
 	}
 	if objectName != "" {
 		urlStr = urlStr + s3utils.EncodePath(objectName)
@@ -2142,7 +2142,7 @@ func registerAPIFunctions(muxRouter *mux.Router, objLayer ObjectLayer, apiFuncti
 		return
 	}
 	// API Router.
-	apiRouter := muxRouter.PathPrefix("/").Subrouter()
+	apiRouter := muxRouter.PathPrefix(SlashSeparator).Subrouter()
 	// Bucket router.
 	bucketRouter := apiRouter.PathPrefix("/{bucket}").Subrouter()
 

cmd/tree-walk.go

@@ -67,10 +67,10 @@ func doTreeWalk(ctx context.Context, bucket, prefixDir, entryPrefixMatch, marker
 	var markerBase, markerDir string
 	if marker != "" {
 		// Ex: if marker="four/five.txt", markerDir="four/" markerBase="five.txt"
-		markerSplit := strings.SplitN(marker, slashSeparator, 2)
+		markerSplit := strings.SplitN(marker, SlashSeparator, 2)
 		markerDir = markerSplit[0]
 		if len(markerSplit) == 2 {
-			markerDir += slashSeparator
+			markerDir += SlashSeparator
 			markerBase = markerSplit[1]
 		}
 	}
@@ -95,7 +95,7 @@ func doTreeWalk(ctx context.Context, bucket, prefixDir, entryPrefixMatch, marker
 
 	for i, entry := range entries {
 		pentry := pathJoin(prefixDir, entry)
-		isDir := hasSuffix(pentry, slashSeparator)
+		isDir := hasSuffix(pentry, SlashSeparator)
 
 		if i == 0 && markerDir == entry {
 			if !recursive {
@@ -165,7 +165,7 @@ func startTreeWalk(ctx context.Context, bucket, prefix, marker string, recursive
 	resultCh := make(chan TreeWalkResult, maxObjectList)
 	entryPrefixMatch := prefix
 	prefixDir := ""
-	lastIndex := strings.LastIndex(prefix, slashSeparator)
+	lastIndex := strings.LastIndex(prefix, SlashSeparator)
 	if lastIndex != -1 {
 		entryPrefixMatch = prefix[lastIndex+1:]
 		prefixDir = prefix[:lastIndex+1]

cmd/update-main.go

@@ -72,7 +72,7 @@ EXAMPLES:
 const (
 	minioReleaseTagTimeLayout = "2006-01-02T15-04-05Z"
 	minioOSARCH               = runtime.GOOS + "-" + runtime.GOARCH
-	minioReleaseURL           = "https://dl.min.io/server/minio/release/" + minioOSARCH + "/"
+	minioReleaseURL           = "https://dl.min.io/server/minio/release/" + minioOSARCH + SlashSeparator
 )
 
 var (

cmd/utils.go

@@ -81,16 +81,16 @@ func request2BucketObjectName(r *http.Request) (bucketName, objectName string) {
 
 // Convert url path into bucket and object name.
 func urlPath2BucketObjectName(path string) (bucketName, objectName string) {
-	if path == "" || path == slashSeparator {
+	if path == "" || path == SlashSeparator {
 		return "", ""
 	}
 
 	// Trim any preceding slash separator.
-	urlPath := strings.TrimPrefix(path, slashSeparator)
+	urlPath := strings.TrimPrefix(path, SlashSeparator)
 
 	// Split urlpath using slash separator into a given number of
 	// expected tokens.
-	tokens := strings.SplitN(urlPath, slashSeparator, 2)
+	tokens := strings.SplitN(urlPath, SlashSeparator, 2)
 	bucketName = tokens[0]
 	if len(tokens) == 2 {
 		objectName = tokens[1]

cmd/utils_test.go

@@ -148,7 +148,7 @@ func TestURL2BucketObjectName(t *testing.T) {
 		// Test case 2 where url only has separator.
 		{
 			u: &url.URL{
-				Path: "/",
+				Path: SlashSeparator,
 			},
 			bucket: "",
 			object: "",

cmd/web-handlers.go

@@ -315,7 +315,7 @@ func (web *webAPIHandlers) ListBuckets(r *http.Request, args *WebGenericArgs, re
 	r.Header.Set("prefix", "")
 
 	// Set delimiter value for "s3:delimiter" policy conditionals.
-	r.Header.Set("delimiter", slashSeparator)
+	r.Header.Set("delimiter", SlashSeparator)
 
 	// If etcd, dns federation configured list buckets from etcd.
 	if globalDNSConfig != nil {
@@ -429,7 +429,7 @@ func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, r
 		nextMarker := ""
 		// Fetch all the objects
 		for {
-			result, err := core.ListObjects(args.BucketName, args.Prefix, nextMarker, slashSeparator, 1000)
+			result, err := core.ListObjects(args.BucketName, args.Prefix, nextMarker, SlashSeparator, 1000)
 			if err != nil {
 				return toJSONError(ctx, err, args.BucketName)
 			}
@@ -464,7 +464,7 @@ func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, r
 			r.Header.Set("prefix", args.Prefix)
 
 			// Set delimiter value for "s3:delimiter" policy conditionals.
-			r.Header.Set("delimiter", slashSeparator)
+			r.Header.Set("delimiter", SlashSeparator)
 
 			// Check if anonymous (non-owner) has access to download objects.
 			readable := globalPolicySys.IsAllowed(policy.Args{
@@ -480,7 +480,7 @@ func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, r
 				BucketName:      args.BucketName,
 				ConditionValues: getConditionValues(r, "", ""),
 				IsOwner:         false,
-				ObjectName:      args.Prefix + "/",
+				ObjectName:      args.Prefix + SlashSeparator,
 			})
 
 			reply.Writable = writable
@@ -503,7 +503,7 @@ func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, r
 		r.Header.Set("prefix", args.Prefix)
 
 		// Set delimiter value for "s3:delimiter" policy conditionals.
-		r.Header.Set("delimiter", slashSeparator)
+		r.Header.Set("delimiter", SlashSeparator)
 
 		readable := globalIAMSys.IsAllowed(iampolicy.Args{
 			AccountName:     claims.Subject,
@@ -519,7 +519,7 @@ func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, r
 			BucketName:      args.BucketName,
 			ConditionValues: getConditionValues(r, "", claims.Subject),
 			IsOwner:         owner,
-			ObjectName:      args.Prefix + "/",
+			ObjectName:      args.Prefix + SlashSeparator,
 		})
 
 		reply.Writable = writable
@@ -541,7 +541,7 @@ func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, r
 	nextMarker := ""
 	// Fetch all the objects
 	for {
-		lo, err := listObjects(ctx, args.BucketName, args.Prefix, nextMarker, slashSeparator, 1000)
+		lo, err := listObjects(ctx, args.BucketName, args.Prefix, nextMarker, SlashSeparator, 1000)
 		if err != nil {
 			return &json2.Error{Message: err.Error()}
 		}
@@ -671,7 +671,7 @@ func (web *webAPIHandlers) RemoveObject(r *http.Request, args *RemoveObjectArgs,
 next:
 	for _, objectName := range args.Objects {
 		// If not a directory, remove the object.
-		if !hasSuffix(objectName, slashSeparator) && objectName != "" {
+		if !hasSuffix(objectName, SlashSeparator) && objectName != "" {
 			// Deny if WORM is enabled
 			if globalWORMEnabled {
 				if _, err = objectAPI.GetObjectInfo(ctx, args.BucketName, objectName, ObjectOptions{}); err == nil {
@@ -1034,7 +1034,7 @@ func (web *webAPIHandlers) Upload(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	if objectAPI.IsEncryptionSupported() {
-		if hasServerSideEncryptionHeader(r.Header) && !hasSuffix(object, slashSeparator) { // handle SSE requests
+		if hasServerSideEncryptionHeader(r.Header) && !hasSuffix(object, SlashSeparator) { // handle SSE requests
 			rawReader := hashReader
 			var objectEncryptionKey []byte
 			reader, objectEncryptionKey, err = EncryptRequest(hashReader, r, bucket, object, metadata)
@@ -1436,7 +1436,7 @@ func (web *webAPIHandlers) DownloadZip(w http.ResponseWriter, r *http.Request) {
 			return nil
 		}
 
-		if !hasSuffix(object, slashSeparator) {
+		if !hasSuffix(object, SlashSeparator) {
 			// If not a directory, compress the file and write it to response.
 			err := zipit(pathJoin(args.Prefix, object))
 			if err != nil {
@@ -1873,7 +1873,7 @@ func presignedGet(host, bucket, object string, expiry int64, creds auth.Credenti
 	query.Set(xhttp.AmzSignedHeaders, "host")
 	queryStr := s3utils.QueryEncode(query)
 
-	path := "/" + path.Join(bucket, object)
+	path := SlashSeparator + path.Join(bucket, object)
 
 	// "host" is the only header required to be signed for Presigned URLs.
 	extractedSignedHeaders := make(http.Header)

cmd/web-handlers_test.go

@@ -824,7 +824,7 @@ func testUploadWebHandler(obj ObjectLayer, instanceType string, t TestErrHandler
 
 	test := func(token string, sendContentLength bool) int {
 		rec := httptest.NewRecorder()
-		req, rErr := http.NewRequest("PUT", "/minio/upload/"+bucketName+"/"+objectName, nil)
+		req, rErr := http.NewRequest("PUT", "/minio/upload/"+bucketName+SlashSeparator+objectName, nil)
 		if rErr != nil {
 			t.Fatalf("Cannot create upload request, %v", rErr)
 		}
@@ -926,7 +926,7 @@ func testDownloadWebHandler(obj ObjectLayer, instanceType string, t TestErrHandl
 
 	test := func(token string) (int, []byte) {
 		rec := httptest.NewRecorder()
-		path := "/minio/download/" + bucketName + "/" + objectName + "?token="
+		path := "/minio/download/" + bucketName + SlashSeparator + objectName + "?token="
 		if token != "" {
 			path = path + token
 		}

cmd/web-router.go

@@ -40,7 +40,7 @@ type indexHandler struct {
 }
 
 func (h indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	r.URL.Path = minioReservedBucketPath + "/"
+	r.URL.Path = minioReservedBucketPath + SlashSeparator
 	h.handler.ServeHTTP(w, r)
 }
 

cmd/xl-sets.go

@@ -1027,7 +1027,7 @@ func (s *xlSets) listObjectsNonSlash(ctx context.Context, bucket, prefix, marker
 // walked and merged at this layer. Resulting value through the merge process sends
 // the data in lexically sorted order.
 func (s *xlSets) listObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int, heal bool) (loi ListObjectsInfo, err error) {
-	if delimiter != slashSeparator && delimiter != "" {
+	if delimiter != SlashSeparator && delimiter != "" {
 		// "heal" option passed can be ignored as the heal-listing does not send non-standard delimiter.
 		return s.listObjectsNonSlash(ctx, bucket, prefix, marker, delimiter, maxKeys)
 	}
@@ -1054,7 +1054,7 @@ func (s *xlSets) listObjects(ctx context.Context, bucket, prefix, marker, delimi
 	// along // with the prefix. On a flat namespace with 'prefix'
 	// as '/' we don't have any entries, since all the keys are
 	// of form 'keyName/...'
-	if delimiter == slashSeparator && prefix == slashSeparator {
+	if delimiter == SlashSeparator && prefix == SlashSeparator {
 		return loi, nil
 	}
 
@@ -1065,7 +1065,7 @@ func (s *xlSets) listObjects(ctx context.Context, bucket, prefix, marker, delimi
 
 	// Default is recursive, if delimiter is set then list non recursive.
 	recursive := true
-	if delimiter == slashSeparator {
+	if delimiter == SlashSeparator {
 		recursive = false
 	}
 
@@ -1092,7 +1092,7 @@ func (s *xlSets) listObjects(ctx context.Context, bucket, prefix, marker, delimi
 
 	for _, entry := range entries.Files {
 		var objInfo ObjectInfo
-		if hasSuffix(entry.Name, slashSeparator) {
+		if hasSuffix(entry.Name, SlashSeparator) {
 			if !recursive {
 				loi.Prefixes = append(loi.Prefixes, entry.Name)
 				continue

cmd/xl-v1-common.go

@@ -37,7 +37,7 @@ func (xl xlObjects) getLoadBalancedDisks() (disks []StorageAPI) {
 func (xl xlObjects) parentDirIsObject(ctx context.Context, bucket, parent string) bool {
 	var isParentDirObject func(string) bool
 	isParentDirObject = func(p string) bool {
-		if p == "." || p == "/" {
+		if p == "." || p == SlashSeparator {
 			return false
 		}
 		if xl.isObject(bucket, p) {

cmd/xl-v1-common_test.go

@@ -72,7 +72,7 @@ func TestXLParentDirIsObject(t *testing.T) {
 		// Should not cause infinite loop.
 		{
 			parentIsObject: false,
-			objectName:     "/",
+			objectName:     SlashSeparator,
 		},
 		{
 			parentIsObject: false,

cmd/xl-v1-healing.go

@@ -697,7 +697,7 @@ func (xl xlObjects) HealObject(ctx context.Context, bucket, object string, dryRu
 	healCtx := logger.SetReqInfo(context.Background(), newReqInfo)
 
 	// Healing directories handle it separately.
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		return xl.healObjectDir(healCtx, bucket, object, dryRun)
 	}
 

cmd/xl-v1-list-objects.go

@@ -63,7 +63,7 @@ func listDirFactory(ctx context.Context, disks ...StorageAPI) ListDirFunc {
 func (xl xlObjects) listObjects(ctx context.Context, bucket, prefix, marker, delimiter string, maxKeys int) (loi ListObjectsInfo, e error) {
 	// Default is recursive, if delimiter is set then list non recursive.
 	recursive := true
-	if delimiter == slashSeparator {
+	if delimiter == SlashSeparator {
 		recursive = false
 	}
 
@@ -87,7 +87,7 @@ func (xl xlObjects) listObjects(ctx context.Context, bucket, prefix, marker, del
 		}
 		entry := walkResult.entry
 		var objInfo ObjectInfo
-		if hasSuffix(entry, slashSeparator) {
+		if hasSuffix(entry, SlashSeparator) {
 			// Object name needs to be full path.
 			objInfo.Bucket = bucket
 			objInfo.Name = entry
@@ -125,7 +125,7 @@ func (xl xlObjects) listObjects(ctx context.Context, bucket, prefix, marker, del
 
 	result := ListObjectsInfo{}
 	for _, objInfo := range objInfos {
-		if objInfo.IsDir && delimiter == slashSeparator {
+		if objInfo.IsDir && delimiter == SlashSeparator {
 			result.Prefixes = append(result.Prefixes, objInfo.Name)
 			continue
 		}
@@ -165,7 +165,7 @@ func (xl xlObjects) ListObjects(ctx context.Context, bucket, prefix, marker, del
 	// since according to s3 spec we stop at the 'delimiter' along
 	// with the prefix. On a flat namespace with 'prefix' as '/'
 	// we don't have any entries, since all the keys are of form 'keyName/...'
-	if delimiter == slashSeparator && prefix == slashSeparator {
+	if delimiter == SlashSeparator && prefix == SlashSeparator {
 		return loi, nil
 	}
 

cmd/xl-v1-multipart.go

@@ -169,7 +169,7 @@ func (xl xlObjects) ListMultipartUploads(ctx context.Context, bucket, object, ke
 			return result, err
 		}
 		for i := range uploadIDs {
-			uploadIDs[i] = strings.TrimSuffix(uploadIDs[i], slashSeparator)
+			uploadIDs[i] = strings.TrimSuffix(uploadIDs[i], SlashSeparator)
 		}
 		sort.Strings(uploadIDs)
 		for _, uploadID := range uploadIDs {

cmd/xl-v1-object.go

@@ -147,7 +147,7 @@ func (xl xlObjects) GetObjectNInfo(ctx context.Context, bucket, object string, r
 
 	// Handler directory request by returning a reader that
 	// returns no bytes.
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		var objInfo ObjectInfo
 		if objInfo, err = xl.getObjectInfoDir(ctx, bucket, object); err != nil {
 			nsUnlocker()
@@ -216,7 +216,7 @@ func (xl xlObjects) getObject(ctx context.Context, bucket, object string, startO
 	}
 
 	// If its a directory request, we return an empty body.
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		_, err := writer.Write([]byte(""))
 		logger.LogIf(ctx, err)
 		return toObjectErr(err, bucket, object)
@@ -379,7 +379,7 @@ func (xl xlObjects) GetObjectInfo(ctx context.Context, bucket, object string, op
 		return oi, err
 	}
 
-	if hasSuffix(object, slashSeparator) {
+	if hasSuffix(object, SlashSeparator) {
 		info, err := xl.getObjectInfoDir(ctx, bucket, object)
 		if err != nil {
 			return oi, toObjectErr(err, bucket, object)
@@ -865,7 +865,7 @@ func (xl xlObjects) deleteObjects(ctx context.Context, bucket string, objects []
 	}
 
 	for i, object := range objects {
-		isObjectDirs[i] = hasSuffix(object, slashSeparator)
+		isObjectDirs[i] = hasSuffix(object, SlashSeparator)
 	}
 
 	for i, object := range objects {
@@ -972,7 +972,7 @@ func (xl xlObjects) DeleteObject(ctx context.Context, bucket, object string) (er
 	}
 
 	var writeQuorum int
-	var isObjectDir = hasSuffix(object, slashSeparator)
+	var isObjectDir = hasSuffix(object, SlashSeparator)
 
 	if isObjectDir {
 		_, err = xl.getObjectInfoDir(ctx, bucket, object)

cmd/xl-v1-object_test.go

@@ -180,7 +180,7 @@ func TestXLDeleteObjectsXLSet(t *testing.T) {
 		switch statErr.(type) {
 		case ObjectNotFound:
 		default:
-			t.Fatalf("Object %s is not removed", test.bucket+"/"+test.object)
+			t.Fatalf("Object %s is not removed", test.bucket+SlashSeparator+test.object)
 		}
 	}
 }