filer add readonly public port

weed/server/filer_server.go

@@ -57,7 +57,7 @@ type FilerServer struct {
 	masterNodes        *storage.MasterNodes
 }
 
-func NewFilerServer(defaultMux *http.ServeMux, ip string, port int, master string, dir string, collection string,
+func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, ip string, port int, master string, dir string, collection string,
 	replication string, redirectOnRead bool, disableDirListing bool,
 	confFile string,
 	maxMB int,
@@ -111,6 +111,9 @@ func NewFilerServer(defaultMux *http.ServeMux, ip string, port int, master strin
 	}
 
 	defaultMux.HandleFunc("/", fs.filerHandler)
+	if defaultMux != readonlyMux {
+		readonlyMux.HandleFunc("/", fs.readonlyFilerHandler)
+	}
 
 	go func() {
 		connected := true

weed/server/filer_server_handlers.go

@@ -18,3 +18,12 @@ func (fs *FilerServer) filerHandler(w http.ResponseWriter, r *http.Request) {
 		fs.PostHandler(w, r)
 	}
 }
+
+func (fs *FilerServer) readonlyFilerHandler(w http.ResponseWriter, r *http.Request) {
+	switch r.Method {
+	case "GET":
+		fs.GetOrHeadHandler(w, r, true)
+	case "HEAD":
+		fs.GetOrHeadHandler(w, r, false)
+	}
+}