Merge pull request #6 from chrislusf/master

merge

docs/replication.rst

@@ -10,7 +10,7 @@ Basically, the way it works is:
 
 .. code-block:: bash
   
-  ./weed master -defaultReplicationType=001
+  ./weed master -defaultReplication=001
 
 2. start volume servers as this:
 

go/operation/data_struts.go

@@ -2,5 +2,6 @@ package operation
 
 type JoinResult struct {
 	VolumeSizeLimit uint64 `json:"VolumeSizeLimit,omitempty"`
+	SecretKey       string `json:"secretKey,omitempty"`
 	Error           string `json:"error,omitempty"`
 }

go/operation/delete_content.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/chrislusf/weed-fs/go/security"
 	"github.com/chrislusf/weed-fs/go/util"
 )
 
@@ -16,12 +17,12 @@ type DeleteResult struct {
 	Error string `json:"error,omitempty"`
 }
 
-func DeleteFile(master string, fileId string) error {
+func DeleteFile(master string, fileId string, jwt security.EncodedJwt) error {
 	fileUrl, err := LookupFileId(master, fileId)
 	if err != nil {
 		return err
 	}
-	return util.Delete(fileUrl)
+	return util.Delete(fileUrl, jwt)
 }
 
 func ParseFileId(fid string) (vid string, key_cookie string, err error) {

go/operation/submit.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 
 	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/security"
 )
 
 type FilePart struct {
@@ -34,7 +35,10 @@ type SubmitResult struct {
 	Error    string `json:"error,omitempty"`
 }
 
-func SubmitFiles(master string, files []FilePart, replication string, collection string, ttl string, maxMB int) ([]SubmitResult, error) {
+func SubmitFiles(master string, files []FilePart,
+	replication string, collection string, ttl string, maxMB int,
+	secret security.Secret,
+) ([]SubmitResult, error) {
 	results := make([]SubmitResult, len(files))
 	for index, file := range files {
 		results[index].FileName = file.FileName
@@ -54,7 +58,7 @@ func SubmitFiles(master string, files []FilePart, replication string, collection
 		file.Server = ret.PublicUrl
 		file.Replication = replication
 		file.Collection = collection
-		results[index].Size, err = file.Upload(maxMB, master)
+		results[index].Size, err = file.Upload(maxMB, master, secret)
 		if err != nil {
 			results[index].Error = err.Error()
 		}
@@ -101,7 +105,8 @@ func newFilePart(fullPathFilename string) (ret FilePart, err error) {
 	return ret, nil
 }
 
-func (fi FilePart) Upload(maxMB int, master string) (retSize uint32, err error) {
+func (fi FilePart) Upload(maxMB int, master string, secret security.Secret) (retSize uint32, err error) {
+	jwt := security.GenJwt(secret, fi.Fid)
 	fileUrl := "http://" + fi.Server + "/" + fi.Fid
 	if fi.ModTime != 0 {
 		fileUrl += "?ts=" + strconv.Itoa(int(fi.ModTime))
@@ -114,16 +119,20 @@ func (fi FilePart) Upload(maxMB int, master string) (retSize uint32, err error)
 		chunks := fi.FileSize/chunkSize + 1
 		fids := make([]string, 0)
 		for i := int64(0); i < chunks; i++ {
-			id, count, e := upload_one_chunk(fi.FileName+"-"+strconv.FormatInt(i+1, 10), io.LimitReader(fi.Reader, chunkSize), master, fi.Replication, fi.Collection, fi.Ttl)
+			id, count, e := upload_one_chunk(
+				fi.FileName+"-"+strconv.FormatInt(i+1, 10),
+				io.LimitReader(fi.Reader, chunkSize),
+				master, fi.Replication, fi.Collection, fi.Ttl,
+				jwt)
 			if e != nil {
 				return 0, e
 			}
 			fids = append(fids, id)
 			retSize += count
 		}
-		err = upload_file_id_list(fileUrl, fi.FileName+"-list", fids)
+		err = upload_file_id_list(fileUrl, fi.FileName+"-list", fids, jwt)
 	} else {
-		ret, e := Upload(fileUrl, fi.FileName, fi.Reader, fi.IsGzipped, fi.MimeType)
+		ret, e := Upload(fileUrl, fi.FileName, fi.Reader, fi.IsGzipped, fi.MimeType, jwt)
 		if e != nil {
 			return 0, e
 		}
@@ -132,24 +141,27 @@ func (fi FilePart) Upload(maxMB int, master string) (retSize uint32, err error)
 	return
 }
 
-func upload_one_chunk(filename string, reader io.Reader, master, replication string, collection string, ttl string) (fid string, size uint32, e error) {
+func upload_one_chunk(filename string, reader io.Reader, master,
+	replication string, collection string, ttl string, jwt security.EncodedJwt,
+) (fid string, size uint32, e error) {
 	ret, err := Assign(master, 1, replication, collection, ttl)
 	if err != nil {
 		return "", 0, err
 	}
 	fileUrl, fid := "http://"+ret.Url+"/"+ret.Fid, ret.Fid
 	glog.V(4).Info("Uploading part ", filename, " to ", fileUrl, "...")
-	uploadResult, uploadError := Upload(fileUrl, filename, reader, false, "application/octet-stream")
+	uploadResult, uploadError := Upload(fileUrl, filename, reader, false,
+		"application/octet-stream", jwt)
 	if uploadError != nil {
 		return fid, 0, uploadError
 	}
 	return fid, uploadResult.Size, nil
 }
 
-func upload_file_id_list(fileUrl, filename string, fids []string) error {
+func upload_file_id_list(fileUrl, filename string, fids []string, jwt security.EncodedJwt) error {
 	var buf bytes.Buffer
 	buf.WriteString(strings.Join(fids, "\n"))
 	glog.V(4).Info("Uploading final list ", filename, " to ", fileUrl, "...")
-	_, e := Upload(fileUrl, filename, &buf, false, "text/plain")
+	_, e := Upload(fileUrl, filename, &buf, false, "text/plain", jwt)
 	return e
 }

go/operation/upload_content.go

@@ -15,6 +15,7 @@ import (
 	"strings"
 
 	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/security"
 )
 
 type UploadResult struct {
@@ -35,13 +36,13 @@ func init() {
 
 var fileNameEscaper = strings.NewReplacer("\\", "\\\\", "\"", "\\\"")
 
-func Upload(uploadUrl string, filename string, reader io.Reader, isGzipped bool, mtype string) (*UploadResult, error) {
+func Upload(uploadUrl string, filename string, reader io.Reader, isGzipped bool, mtype string, jwt security.EncodedJwt) (*UploadResult, error) {
 	return upload_content(uploadUrl, func(w io.Writer) (err error) {
 		_, err = io.Copy(w, reader)
 		return
-	}, filename, isGzipped, mtype)
+	}, filename, isGzipped, mtype, jwt)
 }
-func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error, filename string, isGzipped bool, mtype string) (*UploadResult, error) {
+func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error, filename string, isGzipped bool, mtype string, jwt security.EncodedJwt) (*UploadResult, error) {
 	body_buf := bytes.NewBufferString("")
 	body_writer := multipart.NewWriter(body_buf)
 	h := make(textproto.MIMEHeader)
@@ -55,6 +56,9 @@ func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error
 	if isGzipped {
 		h.Set("Content-Encoding", "gzip")
 	}
+	if jwt != "" {
+		h.Set("Authorization", "BEARER "+string(jwt))
+	}
 	file_writer, cp_err := body_writer.CreatePart(h)
 	if cp_err != nil {
 		glog.V(0).Infoln("error creating form file", cp_err.Error())

go/security/guard.go

@@ -5,11 +5,8 @@ import (
 	"fmt"
 	"net"
 	"net/http"
-	"strings"
-	"time"
 
 	"github.com/chrislusf/weed-fs/go/glog"
-	"github.com/dgrijalva/jwt-go"
 )
 
 var (
@@ -44,24 +41,24 @@ https://github.com/pkieltyka/jwtauth/blob/master/jwtauth.go
 */
 type Guard struct {
 	whiteList []string
-	secretKey string
+	SecretKey Secret
 
 	isActive bool
 }
 
 func NewGuard(whiteList []string, secretKey string) *Guard {
-	g := &Guard{whiteList: whiteList, secretKey: secretKey}
-	g.isActive = len(g.whiteList) != 0 || len(g.secretKey) != 0
+	g := &Guard{whiteList: whiteList, SecretKey: Secret(secretKey)}
+	g.isActive = len(g.whiteList) != 0 || len(g.SecretKey) != 0
 	return g
 }
 
-func (g *Guard) Secure(f func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
+func (g *Guard) WhiteList(f func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
 	if !g.isActive {
 		//if no security needed, just skip all checkings
 		return f
 	}
 	return func(w http.ResponseWriter, r *http.Request) {
-		if err := g.doCheck(w, r); err != nil {
+		if err := g.checkWhiteList(w, r); err != nil {
 			w.WriteHeader(http.StatusUnauthorized)
 			return
 		}
@@ -69,76 +66,62 @@ func (g *Guard) Secure(f func(w http.ResponseWriter, r *http.Request)) func(w ht
 	}
 }
 
-func (g *Guard) NewToken() (tokenString string, err error) {
-	m := make(map[string]interface{})
-	m["exp"] = time.Now().Unix() + 10
-	return g.Encode(m)
-}
-
-func (g *Guard) Encode(claims map[string]interface{}) (tokenString string, err error) {
+func (g *Guard) Secure(f func(w http.ResponseWriter, r *http.Request)) func(w http.ResponseWriter, r *http.Request) {
 	if !g.isActive {
-		return "", nil
+		//if no security needed, just skip all checkings
+		return f
+	}
+	return func(w http.ResponseWriter, r *http.Request) {
+		if err := g.checkJwt(w, r); err != nil {
+			w.WriteHeader(http.StatusUnauthorized)
+			return
+		}
+		f(w, r)
 	}
-
-	t := jwt.New(jwt.GetSigningMethod("HS256"))
-	t.Claims = claims
-	return t.SignedString(g.secretKey)
 }
 
-func (g *Guard) Decode(tokenString string) (token *jwt.Token, err error) {
-	return jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
-		return g.secretKey, nil
-	})
-}
+func (g *Guard) checkWhiteList(w http.ResponseWriter, r *http.Request) error {
+	if len(g.whiteList) == 0 {
+		return nil
+	}
 
-func (g *Guard) doCheck(w http.ResponseWriter, r *http.Request) error {
-	if len(g.whiteList) != 0 {
-		host, _, err := net.SplitHostPort(r.RemoteAddr)
-		if err == nil {
-			for _, ip := range g.whiteList {
-				if ip == host {
-					return nil
-				}
+	host, _, err := net.SplitHostPort(r.RemoteAddr)
+	if err == nil {
+		for _, ip := range g.whiteList {
+			if ip == host {
+				return nil
 			}
 		}
 	}
 
-	if len(g.secretKey) != 0 {
-
-		// Get token from query params
-		tokenStr := r.URL.Query().Get("jwt")
+	glog.V(1).Infof("Not in whitelist: %s", r.RemoteAddr)
+	return fmt.Errorf("Not in whitelis: %s", r.RemoteAddr)
+}
 
-		// Get token from authorization header
-		if tokenStr == "" {
-			bearer := r.Header.Get("Authorization")
-			if len(bearer) > 7 && strings.ToUpper(bearer[0:6]) == "BEARER" {
-				tokenStr = bearer[7:]
-			}
-		}
+func (g *Guard) checkJwt(w http.ResponseWriter, r *http.Request) error {
+	if g.checkWhiteList(w, r) == nil {
+		return nil
+	}
 
-		// Get token from cookie
-		if tokenStr == "" {
-			cookie, err := r.Cookie("jwt")
-			if err == nil {
-				tokenStr = cookie.Value
-			}
-		}
+	if len(g.SecretKey) == 0 {
+		return nil
+	}
 
-		if tokenStr == "" {
-			return ErrUnauthorized
-		}
+	tokenStr := GetJwt(r)
 
-		// Verify the token
-		token, err := g.Decode(tokenStr)
-		if err != nil {
-			glog.V(1).Infof("Token verification error from %s: %v", r.RemoteAddr, err)
-			return ErrUnauthorized
-		}
-		if !token.Valid {
-			glog.V(1).Infof("Token invliad from %s: %v", r.RemoteAddr, tokenStr)
-			return ErrUnauthorized
-		}
+	if tokenStr == "" {
+		return ErrUnauthorized
+	}
 
+	// Verify the token
+	token, err := DecodeJwt(g.SecretKey, tokenStr)
+	if err != nil {
+		glog.V(1).Infof("Token verification error from %s: %v", r.RemoteAddr, err)
+		return ErrUnauthorized
+	}
+	if !token.Valid {
+		glog.V(1).Infof("Token invliad from %s: %v", r.RemoteAddr, tokenStr)
+		return ErrUnauthorized
 	}
 
 	glog.V(1).Infof("No permission from %s", r.RemoteAddr)

go/security/jwt.go

@@ -0,0 +1,72 @@
+package security
+
+import (
+	"net/http"
+	"strings"
+
+	"time"
+
+	"github.com/chrislusf/weed-fs/go/glog"
+	jwt "github.com/dgrijalva/jwt-go"
+)
+
+type EncodedJwt string
+type Secret string
+
+func GenJwt(secret Secret, fileId string) EncodedJwt {
+	if secret == "" {
+		return ""
+	}
+
+	t := jwt.New(jwt.GetSigningMethod("HS256"))
+	t.Claims["exp"] = time.Now().Unix() + 10
+	t.Claims["sub"] = fileId
+	encoded, e := t.SignedString(secret)
+	if e != nil {
+		glog.V(0).Infof("Failed to sign claims: %v", t.Claims)
+		return ""
+	}
+	return EncodedJwt(encoded)
+}
+
+func GetJwt(r *http.Request) EncodedJwt {
+
+	// Get token from query params
+	tokenStr := r.URL.Query().Get("jwt")
+
+	// Get token from authorization header
+	if tokenStr == "" {
+		bearer := r.Header.Get("Authorization")
+		if len(bearer) > 7 && strings.ToUpper(bearer[0:6]) == "BEARER" {
+			tokenStr = bearer[7:]
+		}
+	}
+
+	// Get token from cookie
+	if tokenStr == "" {
+		cookie, err := r.Cookie("jwt")
+		if err == nil {
+			tokenStr = cookie.Value
+		}
+	}
+
+	return EncodedJwt(tokenStr)
+}
+
+func EncodeJwt(secret Secret, claims map[string]interface{}) (EncodedJwt, error) {
+	if secret == "" {
+		return "", nil
+	}
+
+	t := jwt.New(jwt.GetSigningMethod("HS256"))
+	t.Claims = claims
+	encoded, e := t.SignedString(secret)
+	return EncodedJwt(encoded), e
+}
+
+func DecodeJwt(secret Secret, tokenString EncodedJwt) (token *jwt.Token, err error) {
+	// check exp, nbf
+	return jwt.Parse(string(tokenString), func(token *jwt.Token) (interface{}, error) {
+		return secret, nil
+	})
+}

go/storage/store.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/operation"
+	"github.com/chrislusf/weed-fs/go/security"
 	"github.com/chrislusf/weed-fs/go/util"
 	"github.com/golang/protobuf/proto"
 )
@@ -260,7 +261,7 @@ func (s *Store) SetRack(rack string) {
 func (s *Store) SetBootstrapMaster(bootstrapMaster string) {
 	s.masterNodes = NewMasterNodes(bootstrapMaster)
 }
-func (s *Store) Join() (masterNode string, e error) {
+func (s *Store) Join() (masterNode string, secretKey security.Secret, e error) {
 	masterNode, e = s.masterNodes.findMaster()
 	if e != nil {
 		return
@@ -314,22 +315,23 @@ func (s *Store) Join() (masterNode string, e error) {
 
 	data, err := proto.Marshal(joinMessage)
 	if err != nil {
-		return "", err
+		return "", "", err
 	}
 
 	jsonBlob, err := util.PostBytes("http://"+masterNode+"/dir/join", data)
 	if err != nil {
 		s.masterNodes.reset()
-		return "", err
+		return "", "", err
 	}
 	var ret operation.JoinResult
 	if err := json.Unmarshal(jsonBlob, &ret); err != nil {
-		return masterNode, err
+		return masterNode, "", err
 	}
 	if ret.Error != "" {
-		return masterNode, errors.New(ret.Error)
+		return masterNode, "", errors.New(ret.Error)
 	}
 	s.volumeSizeLimit = ret.VolumeSizeLimit
+	secretKey = security.Secret(ret.SecretKey)
 	s.connected = true
 	return
 }
@@ -353,7 +355,7 @@ func (s *Store) Write(i VolumeId, n *Needle) (size uint32, err error) {
 			}
 			if s.volumeSizeLimit < v.ContentSize()+3*uint64(size) {
 				glog.V(0).Infoln("volume", i, "size", v.ContentSize(), "will exceed limit", s.volumeSizeLimit)
-				if _, e := s.Join(); e != nil {
+				if _, _, e := s.Join(); e != nil {
 					glog.V(0).Infoln("error when reporting size:", e)
 				}
 			}

go/topology/store_replicate.go

@@ -7,11 +7,18 @@ import (
 
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/operation"
+	"github.com/chrislusf/weed-fs/go/security"
 	"github.com/chrislusf/weed-fs/go/storage"
 	"github.com/chrislusf/weed-fs/go/util"
 )
 
-func ReplicatedWrite(masterNode string, s *storage.Store, volumeId storage.VolumeId, needle *storage.Needle, r *http.Request) (size uint32, errorStatus string) {
+func ReplicatedWrite(masterNode string, s *storage.Store,
+	volumeId storage.VolumeId, needle *storage.Needle,
+	r *http.Request) (size uint32, errorStatus string) {
+
+	//check JWT
+	jwt := security.GetJwt(r)
+
 	ret, err := s.Write(volumeId, needle)
 	needToReplicate := !s.HasVolume(volumeId)
 	if err != nil {
@@ -27,7 +34,10 @@ func ReplicatedWrite(masterNode string, s *storage.Store, volumeId storage.Volum
 	if needToReplicate { //send to other replica locations
 		if r.FormValue("type") != "replicate" {
 			if !distributedOperation(masterNode, s, volumeId, func(location operation.Location) bool {
-				_, err := operation.Upload("http://"+location.Url+r.URL.Path+"?type=replicate&ts="+strconv.FormatUint(needle.LastModified, 10), string(needle.Name), bytes.NewReader(needle.Data), needle.IsGzipped(), string(needle.Mime))
+				_, err := operation.Upload(
+					"http://"+location.Url+r.URL.Path+"?type=replicate&ts="+strconv.FormatUint(needle.LastModified, 10),
+					string(needle.Name), bytes.NewReader(needle.Data), needle.IsGzipped(), string(needle.Mime),
+					jwt)
 				return err == nil
 			}) {
 				ret = 0
@@ -41,7 +51,7 @@ func ReplicatedWrite(masterNode string, s *storage.Store, volumeId storage.Volum
 				volumeId.String() + ": " + err.Error()
 		} else {
 			distributedOperation(masterNode, s, volumeId, func(location operation.Location) bool {
-				return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate")
+				return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate", jwt)
 			})
 		}
 	}
@@ -49,7 +59,13 @@ func ReplicatedWrite(masterNode string, s *storage.Store, volumeId storage.Volum
 	return
 }
 
-func ReplicatedDelete(masterNode string, store *storage.Store, volumeId storage.VolumeId, n *storage.Needle, r *http.Request) (ret uint32) {
+func ReplicatedDelete(masterNode string, store *storage.Store,
+	volumeId storage.VolumeId, n *storage.Needle,
+	r *http.Request) (ret uint32) {
+
+	//check JWT
+	jwt := security.GetJwt(r)
+
 	ret, err := store.Delete(volumeId, n)
 	if err != nil {
 		glog.V(0).Infoln("delete error:", err)
@@ -63,7 +79,7 @@ func ReplicatedDelete(masterNode string, store *storage.Store, volumeId storage.
 	if needToReplicate { //send to other replica locations
 		if r.FormValue("type") != "replicate" {
 			if !distributedOperation(masterNode, store, volumeId, func(location operation.Location) bool {
-				return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate")
+				return nil == util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate", jwt)
 			}) {
 				ret = 0
 			}

go/util/constants.go

@@ -1,5 +1,5 @@
 package util
 
 const (
-	VERSION = "0.68"
+	VERSION = "0.69 beta"
 )

go/util/http_util.go

@@ -7,6 +7,8 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+
+	"github.com/chrislusf/weed-fs/go/security"
 )
 
 var (
@@ -63,8 +65,11 @@ func Get(url string) ([]byte, error) {
 	return b, nil
 }
 
-func Delete(url string) error {
+func Delete(url string, jwt security.EncodedJwt) error {
 	req, err := http.NewRequest("DELETE", url, nil)
+	if jwt != "" {
+		req.Header.Set("Authorization", "BEARER "+string(jwt))
+	}
 	if err != nil {
 		return err
 	}

go/weed/benchmark.go

@@ -16,6 +16,7 @@ import (
 
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/operation"
+	"github.com/chrislusf/weed-fs/go/security"
 	"github.com/chrislusf/weed-fs/go/util"
 )
 
@@ -32,6 +33,7 @@ type BenchmarkOptions struct {
 	collection       *string
 	cpuprofile       *string
 	maxCpu           *int
+	secretKey        *string
 	vid2server       map[string]string //cache for vid locations
 
 }
@@ -56,6 +58,7 @@ func init() {
 	b.collection = cmdBenchmark.Flag.String("collection", "benchmark", "write data to this collection")
 	b.cpuprofile = cmdBenchmark.Flag.String("cpuprofile", "", "cpu profile output file")
 	b.maxCpu = cmdBenchmark.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
+	b.secretKey = cmdBenchmark.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
 	b.vid2server = make(map[string]string)
 	sharedBytes = make([]byte, 1024)
 }
@@ -181,6 +184,8 @@ func writeFiles(idChan chan int, fileIdLineChan chan string, s *stat) {
 	defer wait.Done()
 	delayedDeleteChan := make(chan *delayedFile, 100)
 	var waitForDeletions sync.WaitGroup
+	secret := security.Secret(*b.secretKey)
+
 	for i := 0; i < 7; i++ {
 		waitForDeletions.Add(1)
 		go func() {
@@ -189,7 +194,8 @@ func writeFiles(idChan chan int, fileIdLineChan chan string, s *stat) {
 				if df.enterTime.After(time.Now()) {
 					time.Sleep(df.enterTime.Sub(time.Now()))
 				}
-				if e := util.Delete("http://" + df.fp.Server + "/" + df.fp.Fid); e == nil {
+				if e := util.Delete("http://"+df.fp.Server+"/"+df.fp.Fid,
+					security.GenJwt(secret, df.fp.Fid)); e == nil {
 					s.completed++
 				} else {
 					s.failed++
@@ -204,7 +210,7 @@ func writeFiles(idChan chan int, fileIdLineChan chan string, s *stat) {
 		fp := &operation.FilePart{Reader: &FakeReader{id: uint64(id), size: fileSize}, FileSize: fileSize}
 		if assignResult, err := operation.Assign(*b.server, 1, "", *b.collection, ""); err == nil {
 			fp.Server, fp.Fid, fp.Collection = assignResult.Url, assignResult.Fid, *b.collection
-			if _, err := fp.Upload(0, *b.server); err == nil {
+			if _, err := fp.Upload(0, *b.server, secret); err == nil {
 				if rand.Intn(100) < *b.deletePercentage {
 					s.total++
 					delayedDeleteChan <- &delayedFile{time.Now().Add(time.Second), fp}

go/weed/filer.go

@@ -22,6 +22,7 @@ type FilerOptions struct {
 	defaultReplicaPlacement *string
 	dir                     *string
 	redirectOnRead          *bool
+	secretKey               *string
 	cassandra_server        *string
 	cassandra_keyspace      *string
 	redis_server            *string
@@ -40,6 +41,8 @@ func init() {
 	f.cassandra_keyspace = cmdFiler.Flag.String("cassandra.keyspace", "seaweed", "keyspace of the cassandra server")
 	f.redis_server = cmdFiler.Flag.String("redis.server", "", "host:port of the redis server, e.g., 127.0.0.1:6379")
 	f.redis_database = cmdFiler.Flag.Int("redis.database", 0, "the database on the redis server")
+	f.secretKey = cmdFiler.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
+
 }
 
 var cmdFiler = &Command{
@@ -73,6 +76,7 @@ func runFiler(cmd *Command, args []string) bool {
 	r := http.NewServeMux()
 	_, nfs_err := weed_server.NewFilerServer(r, *f.port, *f.master, *f.dir, *f.collection,
 		*f.defaultReplicaPlacement, *f.redirectOnRead,
+		*f.secretKey,
 		*f.cassandra_server, *f.cassandra_keyspace,
 		*f.redis_server, *f.redis_database,
 	)

go/weed/master.go

@@ -29,8 +29,9 @@ var cmdMaster = &Command{
 
 var (
 	mport                   = cmdMaster.Flag.Int("port", 9333, "http listen port")
-	masterIp                = cmdMaster.Flag.String("ip", "", "master listening ip address, default to listen on all network interfaces")
+	masterIp                = cmdMaster.Flag.String("ip", "localhost", "master <ip>|<server> address")
 	masterBindIp            = cmdMaster.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
+	mPublicUrl              = cmdMaster.Flag.String("publicUrl", "", "peer accessible <ip>|<server_name>:port")
 	metaFolder              = cmdMaster.Flag.String("mdir", os.TempDir(), "data directory to store meta data")
 	masterPeers             = cmdMaster.Flag.String("peers", "", "other master nodes in comma separated ip:port list")
 	volumeSizeLimitMB       = cmdMaster.Flag.Uint("volumeSizeLimitMB", 30*1000, "Master stops directing writes to oversized volumes.")
@@ -41,7 +42,7 @@ var (
 	mMaxCpu                 = cmdMaster.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
 	garbageThreshold        = cmdMaster.Flag.String("garbageThreshold", "0.3", "threshold to vacuum and reclaim spaces")
 	masterWhiteListOption   = cmdMaster.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
-	masterSecureKey         = cmdMaster.Flag.String("secure.key", "", "secret key to check permission")
+	masterSecureKey         = cmdMaster.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
 
 	masterWhiteList []string
 )
@@ -75,10 +76,10 @@ func runMaster(cmd *Command, args []string) bool {
 
 	go func() {
 		time.Sleep(100 * time.Millisecond)
-		if *masterIp == "" {
-			*masterIp = "localhost"
-		}
 		myMasterAddress := *masterIp + ":" + strconv.Itoa(*mport)
+		if *mPublicUrl != "" {
+			myMasterAddress = *mPublicUrl
+		}
 		var peers []string
 		if *masterPeers != "" {
 			peers = strings.Split(*masterPeers, ",")

go/weed/mount_std.go

@@ -13,6 +13,7 @@ import (
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/storage"
 	"github.com/chrislusf/weed-fs/go/util"
+	"golang.org/x/net/context"
 )
 
 func runMount(cmd *Command, args []string) bool {
@@ -55,7 +56,7 @@ type File struct {
 func (File) Attr() fuse.Attr {
 	return fuse.Attr{Mode: 0444}
 }
-func (File) ReadAll(intr fs.Intr) ([]byte, fuse.Error) {
+func (File) ReadAll(ctx context.Context) ([]byte, error) {
 	return []byte("hello, world\n"), nil
 }
 
@@ -68,7 +69,7 @@ func (dir Dir) Attr() fuse.Attr {
 	return fuse.Attr{Inode: dir.Id, Mode: os.ModeDir | 0555}
 }
 
-func (dir Dir) Lookup(name string, intr fs.Intr) (fs.Node, fuse.Error) {
+func (dir Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
 	files_result, e := filer.ListFiles(*mountOptions.filer, dir.Path, name)
 	if e != nil {
 		return nil, fuse.ENOENT
@@ -81,11 +82,11 @@ func (dir Dir) Lookup(name string, intr fs.Intr) (fs.Node, fuse.Error) {
 
 type WFS struct{}
 
-func (WFS) Root() (fs.Node, fuse.Error) {
+func (WFS) Root() (fs.Node, error) {
 	return Dir{}, nil
 }
 
-func (dir *Dir) ReadDir(intr fs.Intr) ([]fuse.Dirent, fuse.Error) {
+func (dir *Dir) ReadDir(ctx context.Context) ([]fuse.Dirent, error) {
 	ret := make([]fuse.Dirent, 0)
 	if dirs, e := filer.ListDirectories(*mountOptions.filer, dir.Path); e == nil {
 		for _, d := range dirs.Directories {

go/weed/server.go

@@ -47,7 +47,7 @@ var cmdServer = &Command{
 }
 
 var (
-	serverIp                      = cmdServer.Flag.String("ip", "", "ip or server name")
+	serverIp                      = cmdServer.Flag.String("ip", "localhost", "ip or server name")
 	serverPublicUrl               = cmdServer.Flag.String("publicUrl", "", "publicly accessible address")
 	serverBindIp                  = cmdServer.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
 	serverMaxCpu                  = cmdServer.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
@@ -56,7 +56,7 @@ var (
 	serverRack                    = cmdServer.Flag.String("rack", "", "current volume server's rack name")
 	serverWhiteListOption         = cmdServer.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
 	serverPeers                   = cmdServer.Flag.String("master.peers", "", "other master nodes in comma separated ip:masterPort list")
-	serverSecureKey               = cmdServer.Flag.String("secure.key", "", "secret key to ensure authenticated access")
+	serverSecureKey               = cmdServer.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
 	serverGarbageThreshold        = cmdServer.Flag.String("garbageThreshold", "0.3", "threshold to vacuum and reclaim spaces")
 	masterPort                    = cmdServer.Flag.Int("master.port", 9333, "master server http listen port")
 	masterMetaFolder              = cmdServer.Flag.String("master.dir", "", "data directory to store meta data, default to same as -dir specified")
@@ -86,10 +86,10 @@ func init() {
 	filerOptions.cassandra_keyspace = cmdServer.Flag.String("filer.cassandra.keyspace", "seaweed", "keyspace of the cassandra server")
 	filerOptions.redis_server = cmdServer.Flag.String("filer.redis.server", "", "host:port of the redis server, e.g., 127.0.0.1:6379")
 	filerOptions.redis_database = cmdServer.Flag.Int("filer.redis.database", 0, "the database on the redis server")
-
 }
 
 func runServer(cmd *Command, args []string) bool {
+	filerOptions.secretKey = serverSecureKey
 	if *serverOptions.cpuprofile != "" {
 		f, err := os.Create(*serverOptions.cpuprofile)
 		if err != nil {
@@ -99,10 +99,6 @@ func runServer(cmd *Command, args []string) bool {
 		defer pprof.StopCPUProfile()
 	}
 
-	if *serverIp == "" {
-		*serverIp = "localhost"
-	}
-
 	if *filerOptions.redirectOnRead {
 		*isStartingFiler = true
 	}
@@ -145,13 +141,13 @@ func runServer(cmd *Command, args []string) bool {
 			*filerOptions.dir = *masterMetaFolder + "/filer"
 			os.MkdirAll(*filerOptions.dir, 0700)
 		}
+		if err := util.TestFolderWritable(*filerOptions.dir); err != nil {
+			glog.Fatalf("Check Mapping Meta Folder (-filer.dir=\"%s\") Writable: %s", *filerOptions.dir, err)
+		}
 	}
 	if err := util.TestFolderWritable(*masterMetaFolder); err != nil {
 		glog.Fatalf("Check Meta Folder (-mdir=\"%s\") Writable: %s", *masterMetaFolder, err)
 	}
-	if err := util.TestFolderWritable(*filerOptions.dir); err != nil {
-		glog.Fatalf("Check Mapping Meta Folder (-filer.dir=\"%s\") Writable: %s", *filerOptions.dir, err)
-	}
 
 	if *serverWhiteListOption != "" {
 		serverWhiteList = strings.Split(*serverWhiteListOption, ",")
@@ -162,6 +158,7 @@ func runServer(cmd *Command, args []string) bool {
 			r := http.NewServeMux()
 			_, nfs_err := weed_server.NewFilerServer(r, *filerOptions.port, *filerOptions.master, *filerOptions.dir, *filerOptions.collection,
 				*filerOptions.defaultReplicaPlacement, *filerOptions.redirectOnRead,
+				*filerOptions.secretKey,
 				"", "",
 				"", 0,
 			)

go/weed/upload.go

@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 
 	"github.com/chrislusf/weed-fs/go/operation"
+	"github.com/chrislusf/weed-fs/go/security"
 )
 
 var (
@@ -15,6 +16,7 @@ var (
 	uploadDir         *string
 	uploadTtl         *string
 	include           *string
+	uploadSecretKey   *string
 	maxMB             *int
 )
 
@@ -28,6 +30,7 @@ func init() {
 	uploadCollection = cmdUpload.Flag.String("collection", "", "optional collection name")
 	uploadTtl = cmdUpload.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
 	maxMB = cmdUpload.Flag.Int("maxMB", 0, "split files larger than the limit")
+	uploadSecretKey = cmdUpload.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
 }
 
 var cmdUpload = &Command{
@@ -54,6 +57,7 @@ var cmdUpload = &Command{
 }
 
 func runUpload(cmd *Command, args []string) bool {
+	secret := security.Secret(*uploadSecretKey)
 	if len(cmdUpload.Flag.Args()) == 0 {
 		if *uploadDir == "" {
 			return false
@@ -70,7 +74,9 @@ func runUpload(cmd *Command, args []string) bool {
 					if e != nil {
 						return e
 					}
-					results, e := operation.SubmitFiles(*server, parts, *uploadReplication, *uploadCollection, *uploadTtl, *maxMB)
+					results, e := operation.SubmitFiles(*server, parts,
+						*uploadReplication, *uploadCollection,
+						*uploadTtl, *maxMB, secret)
 					bytes, _ := json.Marshal(results)
 					fmt.Println(string(bytes))
 					if e != nil {
@@ -87,7 +93,9 @@ func runUpload(cmd *Command, args []string) bool {
 		if e != nil {
 			fmt.Println(e.Error())
 		}
-		results, _ := operation.SubmitFiles(*server, parts, *uploadReplication, *uploadCollection, *uploadTtl, *maxMB)
+		results, _ := operation.SubmitFiles(*server, parts,
+			*uploadReplication, *uploadCollection,
+			*uploadTtl, *maxMB, secret)
 		bytes, _ := json.Marshal(results)
 		fmt.Println(string(bytes))
 	}

go/weed/weed_server/common.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/chrislusf/weed-fs/go/glog"
 	"github.com/chrislusf/weed-fs/go/operation"
+	"github.com/chrislusf/weed-fs/go/security"
 	"github.com/chrislusf/weed-fs/go/stats"
 	"github.com/chrislusf/weed-fs/go/storage"
 	"github.com/chrislusf/weed-fs/go/util"
@@ -75,6 +76,7 @@ func debug(params ...interface{}) {
 }
 
 func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl string) {
+	jwt := security.GetJwt(r)
 	m := make(map[string]interface{})
 	if r.Method != "POST" {
 		writeJsonError(w, r, http.StatusMethodNotAllowed, errors.New("Only submit via POST!"))
@@ -102,7 +104,7 @@ func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterUrl st
 	}
 
 	debug("upload file to store", url)
-	uploadResult, err := operation.Upload(url, fname, bytes.NewReader(data), isGzipped, mimeType)
+	uploadResult, err := operation.Upload(url, fname, bytes.NewReader(data), isGzipped, mimeType, jwt)
 	if err != nil {
 		writeJsonError(w, r, http.StatusInternalServerError, err)
 		return

go/weed/weed_server/filer_server.go

@@ -10,6 +10,7 @@ import (
 	"github.com/chrislusf/weed-fs/go/filer/flat_namespace"
 	"github.com/chrislusf/weed-fs/go/filer/redis_store"
 	"github.com/chrislusf/weed-fs/go/glog"
+	"github.com/chrislusf/weed-fs/go/security"
 )
 
 type FilerServer struct {
@@ -18,11 +19,13 @@ type FilerServer struct {
 	collection         string
 	defaultReplication string
 	redirectOnRead     bool
+	secret             security.Secret
 	filer              filer.Filer
 }
 
 func NewFilerServer(r *http.ServeMux, port int, master string, dir string, collection string,
 	replication string, redirectOnRead bool,
+	secret string,
 	cassandra_server string, cassandra_keyspace string,
 	redis_server string, redis_database int,
 ) (fs *FilerServer, err error) {
@@ -56,3 +59,7 @@ func NewFilerServer(r *http.ServeMux, port int, master string, dir string, colle
 
 	return fs, nil
 }
+
+func (fs *FilerServer) jwt(fileId string) security.EncodedJwt {
+	return security.GenJwt(fs.secret, fileId)
+}

go/weed/weed_server/filer_server_handlers.go

@@ -170,7 +170,7 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 		if ret.Name != "" {
 			path += ret.Name
 		} else {
-			operation.DeleteFile(fs.master, assignResult.Fid) //clean up
+			operation.DeleteFile(fs.master, assignResult.Fid, fs.jwt(assignResult.Fid)) //clean up
 			glog.V(0).Infoln("Can not to write to folder", path, "without a file name!")
 			writeJsonError(w, r, http.StatusInternalServerError,
 				errors.New("Can not to write to folder "+path+" without a file name"))
@@ -179,7 +179,7 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 	}
 	glog.V(4).Infoln("saving", path, "=>", assignResult.Fid)
 	if db_err := fs.filer.CreateFile(path, assignResult.Fid); db_err != nil {
-		operation.DeleteFile(fs.master, assignResult.Fid) //clean up
+		operation.DeleteFile(fs.master, assignResult.Fid, fs.jwt(assignResult.Fid)) //clean up
 		glog.V(0).Infof("failing to write %s to filer server : %v", path, db_err)
 		writeJsonError(w, r, http.StatusInternalServerError, db_err)
 		return
@@ -199,7 +199,7 @@ func (fs *FilerServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
 	} else {
 		fid, err = fs.filer.DeleteFile(r.URL.Path)
 		if err == nil {
-			err = operation.DeleteFile(fs.master, fid)
+			err = operation.DeleteFile(fs.master, fid, fs.jwt(fid))
 		}
 	}
 	if err == nil {

go/weed/weed_server/master_server.go

@@ -23,6 +23,7 @@ type MasterServer struct {
 	pulseSeconds            int
 	defaultReplicaPlacement string
 	garbageThreshold        string
+	guard                   *security.Guard
 
 	Topo   *topology.Topology
 	vg     *topology.VolumeGrowth
@@ -57,22 +58,22 @@ func NewMasterServer(r *mux.Router, port int, metaFolder string,
 	ms.vg = topology.NewDefaultVolumeGrowth()
 	glog.V(0).Infoln("Volume Size Limit is", volumeSizeLimitMB, "MB")
 
-	guard := security.NewGuard(whiteList, secureKey)
+	ms.guard = security.NewGuard(whiteList, secureKey)
 
-	r.HandleFunc("/dir/assign", ms.proxyToLeader(guard.Secure(ms.dirAssignHandler)))
-	r.HandleFunc("/dir/lookup", ms.proxyToLeader(guard.Secure(ms.dirLookupHandler)))
-	r.HandleFunc("/dir/join", ms.proxyToLeader(guard.Secure(ms.dirJoinHandler)))
-	r.HandleFunc("/dir/status", ms.proxyToLeader(guard.Secure(ms.dirStatusHandler)))
-	r.HandleFunc("/col/delete", ms.proxyToLeader(guard.Secure(ms.collectionDeleteHandler)))
-	r.HandleFunc("/vol/lookup", ms.proxyToLeader(guard.Secure(ms.volumeLookupHandler)))
-	r.HandleFunc("/vol/grow", ms.proxyToLeader(guard.Secure(ms.volumeGrowHandler)))
-	r.HandleFunc("/vol/status", ms.proxyToLeader(guard.Secure(ms.volumeStatusHandler)))
-	r.HandleFunc("/vol/vacuum", ms.proxyToLeader(guard.Secure(ms.volumeVacuumHandler)))
-	r.HandleFunc("/submit", guard.Secure(ms.submitFromMasterServerHandler))
-	r.HandleFunc("/delete", guard.Secure(ms.deleteFromMasterServerHandler))
+	r.HandleFunc("/dir/assign", ms.proxyToLeader(ms.guard.WhiteList(ms.dirAssignHandler)))
+	r.HandleFunc("/dir/lookup", ms.proxyToLeader(ms.guard.WhiteList(ms.dirLookupHandler)))
+	r.HandleFunc("/dir/join", ms.proxyToLeader(ms.guard.WhiteList(ms.dirJoinHandler)))
+	r.HandleFunc("/dir/status", ms.proxyToLeader(ms.guard.WhiteList(ms.dirStatusHandler)))
+	r.HandleFunc("/col/delete", ms.proxyToLeader(ms.guard.WhiteList(ms.collectionDeleteHandler)))
+	r.HandleFunc("/vol/lookup", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeLookupHandler)))
+	r.HandleFunc("/vol/grow", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeGrowHandler)))
+	r.HandleFunc("/vol/status", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeStatusHandler)))
+	r.HandleFunc("/vol/vacuum", ms.proxyToLeader(ms.guard.WhiteList(ms.volumeVacuumHandler)))
+	r.HandleFunc("/submit", ms.guard.WhiteList(ms.submitFromMasterServerHandler))
+	r.HandleFunc("/delete", ms.guard.WhiteList(ms.deleteFromMasterServerHandler))
 	r.HandleFunc("/{fileId}", ms.redirectHandler)
-	r.HandleFunc("/stats/counter", guard.Secure(statsCounterHandler))
-	r.HandleFunc("/stats/memory", guard.Secure(statsMemoryHandler))
+	r.HandleFunc("/stats/counter", ms.guard.WhiteList(statsCounterHandler))
+	r.HandleFunc("/stats/memory", ms.guard.WhiteList(statsMemoryHandler))
 
 	ms.Topo.StartRefreshWritableVolumes(garbageThreshold)
 

go/weed/weed_server/master_server_handlers_admin.go

@@ -58,7 +58,10 @@ func (ms *MasterServer) dirJoinHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	ms.Topo.ProcessJoinMessage(joinMessage)
-	writeJsonQuiet(w, r, http.StatusOK, operation.JoinResult{VolumeSizeLimit: uint64(ms.volumeSizeLimitMB) * 1024 * 1024})
+	writeJsonQuiet(w, r, http.StatusOK, operation.JoinResult{
+		VolumeSizeLimit: uint64(ms.volumeSizeLimitMB) * 1024 * 1024,
+		SecretKey:       string(ms.guard.SecretKey),
+	})
 }
 
 func (ms *MasterServer) dirStatusHandler(w http.ResponseWriter, r *http.Request) {

go/weed/weed_server/volume_server.go

@@ -3,6 +3,7 @@ package weed_server
 import (
 	"math/rand"
 	"net/http"
+	"sync"
 	"time"
 
 	"github.com/chrislusf/weed-fs/go/glog"
@@ -12,6 +13,7 @@ import (
 
 type VolumeServer struct {
 	masterNode   string
+	mnLock       sync.RWMutex
 	pulseSeconds int
 	dataCenter   string
 	rack         string
@@ -29,40 +31,42 @@ func NewVolumeServer(publicMux, adminMux *http.ServeMux, ip string,
 	whiteList []string,
 	fixJpgOrientation bool) *VolumeServer {
 	vs := &VolumeServer{
-		masterNode:        masterNode,
 		pulseSeconds:      pulseSeconds,
 		dataCenter:        dataCenter,
 		rack:              rack,
 		FixJpgOrientation: fixJpgOrientation,
 	}
+	vs.SetMasterNode(masterNode)
 	vs.store = storage.NewStore(port, adminPort, ip, publicUrl, folders, maxCounts)
 
 	vs.guard = security.NewGuard(whiteList, "")
 
-	adminMux.HandleFunc("/status", vs.guard.Secure(vs.statusHandler))
-	adminMux.HandleFunc("/admin/assign_volume", vs.guard.Secure(vs.assignVolumeHandler))
-	adminMux.HandleFunc("/admin/vacuum_volume_check", vs.guard.Secure(vs.vacuumVolumeCheckHandler))
-	adminMux.HandleFunc("/admin/vacuum_volume_compact", vs.guard.Secure(vs.vacuumVolumeCompactHandler))
-	adminMux.HandleFunc("/admin/vacuum_volume_commit", vs.guard.Secure(vs.vacuumVolumeCommitHandler))
-	adminMux.HandleFunc("/admin/freeze_volume", vs.guard.Secure(vs.freezeVolumeHandler))
-	adminMux.HandleFunc("/admin/delete_collection", vs.guard.Secure(vs.deleteCollectionHandler))
-	adminMux.HandleFunc("/stats/counter", vs.guard.Secure(statsCounterHandler))
-	adminMux.HandleFunc("/stats/memory", vs.guard.Secure(statsMemoryHandler))
-	adminMux.HandleFunc("/stats/disk", vs.guard.Secure(vs.statsDiskHandler))
+	adminMux.HandleFunc("/status", vs.guard.WhiteList(vs.statusHandler))
+	adminMux.HandleFunc("/admin/assign_volume", vs.guard.WhiteList(vs.assignVolumeHandler))
+	adminMux.HandleFunc("/admin/vacuum_volume_check", vs.guard.WhiteList(vs.vacuumVolumeCheckHandler))
+	adminMux.HandleFunc("/admin/vacuum_volume_compact", vs.guard.WhiteList(vs.vacuumVolumeCompactHandler))
+	adminMux.HandleFunc("/admin/vacuum_volume_commit", vs.guard.WhiteList(vs.vacuumVolumeCommitHandler))
+	adminMux.HandleFunc("/admin/freeze_volume", vs.guard.WhiteList(vs.freezeVolumeHandler))
+	adminMux.HandleFunc("/admin/delete_collection", vs.guard.WhiteList(vs.deleteCollectionHandler))
+	adminMux.HandleFunc("/stats/counter", vs.guard.WhiteList(statsCounterHandler))
+	adminMux.HandleFunc("/stats/memory", vs.guard.WhiteList(statsMemoryHandler))
+	adminMux.HandleFunc("/stats/disk", vs.guard.WhiteList(vs.statsDiskHandler))
 	publicMux.HandleFunc("/delete", vs.guard.Secure(vs.batchDeleteHandler))
 	publicMux.HandleFunc("/", vs.storeHandler)
 
 	go func() {
 		connected := true
-		vs.store.SetBootstrapMaster(vs.masterNode)
+
+		vs.store.SetBootstrapMaster(vs.GetMasterNode())
 		vs.store.SetDataCenter(vs.dataCenter)
 		vs.store.SetRack(vs.rack)
 		for {
-			master, err := vs.store.Join()
+			master, secretKey, err := vs.store.Join()
 			if err == nil {
 				if !connected {
 					connected = true
-					vs.masterNode = master
+					vs.SetMasterNode(master)
+					vs.guard.SecretKey = secretKey
 					glog.V(0).Infoln("Volume Server Connected with master at", master)
 				}
 			} else {
@@ -82,8 +86,24 @@ func NewVolumeServer(publicMux, adminMux *http.ServeMux, ip string,
 	return vs
 }
 
+func (vs *VolumeServer) GetMasterNode() string {
+	vs.mnLock.RLock()
+	defer vs.mnLock.RUnlock()
+	return vs.masterNode
+}
+
+func (vs *VolumeServer) SetMasterNode(masterNode string) {
+	vs.mnLock.Lock()
+	defer vs.mnLock.Unlock()
+	vs.masterNode = masterNode
+}
+
 func (vs *VolumeServer) Shutdown() {
 	glog.V(0).Infoln("Shutting down volume server...")
 	vs.store.Close()
 	glog.V(0).Infoln("Shut down successfully!")
 }
+
+func (vs *VolumeServer) jwt(fileId string) security.EncodedJwt {
+	return security.GenJwt(vs.guard.SecretKey, fileId)
+}

go/weed/weed_server/volume_server_handlers.go

@@ -58,7 +58,7 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 
 	glog.V(4).Infoln("volume", volumeId, "reading", n)
 	if !vs.store.HasVolume(volumeId) {
-		lookupResult, err := operation.Lookup(vs.masterNode, volumeId.String())
+		lookupResult, err := operation.Lookup(vs.GetMasterNode(), volumeId.String())
 		glog.V(2).Infoln("volume", volumeId, "found on", lookupResult, "error", err)
 		if err == nil && len(lookupResult.Locations) > 0 {
 			http.Redirect(w, r, "http://"+lookupResult.Locations[0].Url+r.URL.Path, http.StatusMovedPermanently)
@@ -253,7 +253,8 @@ func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	ret := operation.UploadResult{}
-	size, errorStatus := topology.ReplicatedWrite(vs.masterNode, vs.store, volumeId, needle, r)
+	size, errorStatus := topology.ReplicatedWrite(vs.GetMasterNode(),
+		vs.store, volumeId, needle, r)
 	httpStatus := http.StatusCreated
 	if errorStatus != "" {
 		httpStatus = http.StatusInternalServerError
@@ -290,7 +291,7 @@ func (vs *VolumeServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	n.Size = 0
-	ret := topology.ReplicatedDelete(vs.masterNode, vs.store, volumeId, n, r)
+	ret := topology.ReplicatedDelete(vs.GetMasterNode(), vs.store, volumeId, n, r)
 
 	if ret != 0 {
 		m := make(map[string]uint32)