package weed_server import ( "net/http" "strconv" "strings" "sync/atomic" "github.com/chrislusf/seaweedfs/weed/util" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/security" "github.com/chrislusf/seaweedfs/weed/stats" ) /* If volume server is started with a separated public port, the public port will be more "secure". Public port currently only supports reads. Later writes on public port can have one of the 3 security settings: 1. not secured 2. secured by white list 3. secured by JWT(Json Web Token) */ func (vs *VolumeServer) privateStoreHandler(w http.ResponseWriter, r *http.Request) { w.Header().Set("Server", "SeaweedFS Volume "+util.VERSION) if r.Header.Get("Origin") != "" { w.Header().Set("Access-Control-Allow-Origin", "*") w.Header().Set("Access-Control-Allow-Credentials", "true") } switch r.Method { case "GET", "HEAD": stats.ReadRequest() vs.inFlightDownloadDataLimitCond.L.Lock() for vs.concurrentDownloadLimit != 0 && atomic.LoadInt64(&vs.inFlightDownloadDataSize) > vs.concurrentDownloadLimit { glog.V(4).Infof("wait because inflight download data %d > %d", vs.inFlightDownloadDataSize, vs.concurrentDownloadLimit) vs.inFlightDownloadDataLimitCond.Wait() } vs.inFlightDownloadDataLimitCond.L.Unlock() vs.GetOrHeadHandler(w, r) case "DELETE": stats.DeleteRequest() vs.guard.WhiteList(vs.DeleteHandler)(w, r) case "PUT", "POST": // wait until in flight data is less than the limit contentLength := getContentLength(r) vs.inFlightUploadDataLimitCond.L.Lock() for vs.concurrentUploadLimit != 0 && atomic.LoadInt64(&vs.inFlightUploadDataSize) > vs.concurrentUploadLimit { glog.V(4).Infof("wait because inflight upload data %d > %d", vs.inFlightUploadDataSize, vs.concurrentUploadLimit) vs.inFlightUploadDataLimitCond.Wait() } vs.inFlightUploadDataLimitCond.L.Unlock() atomic.AddInt64(&vs.inFlightUploadDataSize, contentLength) defer func() { atomic.AddInt64(&vs.inFlightUploadDataSize, -contentLength) vs.inFlightUploadDataLimitCond.Signal() }() // processs uploads stats.WriteRequest() vs.guard.WhiteList(vs.PostHandler)(w, r) case "OPTIONS": stats.ReadRequest() w.Header().Add("Access-Control-Allow-Methods", "PUT, POST, GET, DELETE, OPTIONS") w.Header().Add("Access-Control-Allow-Headers", "*") } } func getContentLength(r *http.Request) int64 { contentLength := r.Header.Get("Content-Length") if contentLength != "" { length, err := strconv.ParseInt(contentLength, 10, 64) if err != nil { return 0 } return length } return 0 } func (vs *VolumeServer) publicReadOnlyHandler(w http.ResponseWriter, r *http.Request) { w.Header().Set("Server", "SeaweedFS Volume "+util.VERSION) if r.Header.Get("Origin") != "" { w.Header().Set("Access-Control-Allow-Origin", "*") w.Header().Set("Access-Control-Allow-Credentials", "true") } switch r.Method { case "GET", "HEAD": stats.ReadRequest() vs.inFlightDownloadDataLimitCond.L.Lock() for vs.concurrentDownloadLimit != 0 && atomic.LoadInt64(&vs.inFlightDownloadDataSize) > vs.concurrentDownloadLimit { glog.V(4).Infof("wait because inflight download data %d > %d", vs.inFlightDownloadDataSize, vs.concurrentDownloadLimit) vs.inFlightDownloadDataLimitCond.Wait() } vs.inFlightDownloadDataLimitCond.L.Unlock() vs.GetOrHeadHandler(w, r) case "OPTIONS": stats.ReadRequest() w.Header().Add("Access-Control-Allow-Methods", "GET, OPTIONS") w.Header().Add("Access-Control-Allow-Headers", "*") } } func (vs *VolumeServer) maybeCheckJwtAuthorization(r *http.Request, vid, fid string, isWrite bool) bool { var signingKey security.SigningKey if isWrite { if len(vs.guard.SigningKey) == 0 { return true } else { signingKey = vs.guard.SigningKey } } else { if len(vs.guard.ReadSigningKey) == 0 { return true } else { signingKey = vs.guard.ReadSigningKey } } tokenStr := security.GetJwt(r) if tokenStr == "" { glog.V(1).Infof("missing jwt from %s", r.RemoteAddr) return false } token, err := security.DecodeJwt(signingKey, tokenStr) if err != nil { glog.V(1).Infof("jwt verification error from %s: %v", r.RemoteAddr, err) return false } if !token.Valid { glog.V(1).Infof("jwt invalid from %s: %v", r.RemoteAddr, tokenStr) return false } if sc, ok := token.Claims.(*security.SeaweedFileIdClaims); ok { if sepIndex := strings.LastIndex(fid, "_"); sepIndex > 0 { fid = fid[:sepIndex] } return sc.Fid == vid+","+fid } glog.V(1).Infof("unexpected jwt from %s: %v", r.RemoteAddr, tokenStr) return false }