SakuraFrp/server/dashboard.go
2017-03-09 22:44:42 +08:00

104 lines
2.5 KiB
Go

// Copyright 2016 fatedier, fatedier@gmail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"encoding/base64"
"fmt"
"net"
"net/http"
"strings"
"time"
"github.com/fatedier/frp/assets"
"github.com/fatedier/frp/models/config"
)
var (
httpServerReadTimeout = 10 * time.Second
httpServerWriteTimeout = 10 * time.Second
)
func RunDashboardServer(addr string, port int64) (err error) {
// url router
mux := http.NewServeMux()
// api, see dashboard_api.go
//mux.HandleFunc("/api/reload", use(apiReload, basicAuth))
//mux.HandleFunc("/api/proxies", apiProxies)
// view, see dashboard_view.go
mux.Handle("/favicon.ico", http.FileServer(assets.FileSystem))
mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(assets.FileSystem)))
//mux.HandleFunc("/", use(viewDashboard, basicAuth))
address := fmt.Sprintf("%s:%d", addr, port)
server := &http.Server{
Addr: address,
Handler: mux,
ReadTimeout: httpServerReadTimeout,
WriteTimeout: httpServerWriteTimeout,
}
if address == "" {
address = ":http"
}
ln, err := net.Listen("tcp", address)
if err != nil {
return err
}
go server.Serve(ln)
return
}
func use(h http.HandlerFunc, middleware ...func(http.HandlerFunc) http.HandlerFunc) http.HandlerFunc {
for _, m := range middleware {
h = m(h)
}
return h
}
func basicAuth(h http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
s := strings.SplitN(r.Header.Get("Authorization"), " ", 2)
if len(s) != 2 {
http.Error(w, "Not authorized", 401)
return
}
b, err := base64.StdEncoding.DecodeString(s[1])
if err != nil {
http.Error(w, err.Error(), 401)
return
}
pair := strings.SplitN(string(b), ":", 2)
if len(pair) != 2 {
http.Error(w, "Not authorized", 401)
return
}
if pair[0] != config.ServerCommonCfg.DashboardUser || pair[1] != config.ServerCommonCfg.DashboardPwd {
http.Error(w, "Not authorized", 401)
return
}
h.ServeHTTP(w, r)
}
}