SakuraFrp/server/dashboard.go

128 lines
4.0 KiB
Go

// Copyright 2017 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 (
"fmt"
"net"
"net/http"
"time"
"github.com/fatedier/frp/assets"
"github.com/fatedier/frp/models/config"
"github.com/julienschmidt/httprouter"
)
var (
httpServerReadTimeout = 10 * time.Second
httpServerWriteTimeout = 10 * time.Second
)
func RunDashboardServer(addr string, port int64) (err error) {
// url router
router := httprouter.New()
// api, see dashboard_api.go
router.GET("/api/serverinfo", httprouterBasicAuth(apiServerInfo))
router.GET("/api/proxy/tcp", httprouterBasicAuth(apiProxyTcp))
router.GET("/api/proxy/udp", httprouterBasicAuth(apiProxyUdp))
router.GET("/api/proxy/http", httprouterBasicAuth(apiProxyHttp))
router.GET("/api/proxy/https", httprouterBasicAuth(apiProxyHttps))
router.GET("/api/proxy/traffic/:name", httprouterBasicAuth(apiProxyTraffic))
// view
router.Handler("GET", "/favicon.ico", http.FileServer(assets.FileSystem))
router.Handler("GET", "/static/*filepath", basicAuthWraper(http.StripPrefix("/static/", http.FileServer(assets.FileSystem))))
router.HandlerFunc("GET", "/", basicAuth(func(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, "/static/", http.StatusMovedPermanently)
}))
address := fmt.Sprintf("%s:%d", addr, port)
server := &http.Server{
Addr: address,
Handler: router,
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
}
type AuthWraper struct {
h http.Handler
user string
passwd string
}
func (aw *AuthWraper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
user, passwd, hasAuth := r.BasicAuth()
if (aw.user == "" && aw.passwd == "") || (hasAuth && user == aw.user || passwd == aw.passwd) {
aw.h.ServeHTTP(w, r)
} else {
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
}
}
func basicAuthWraper(h http.Handler) http.Handler {
return &AuthWraper{
h: h,
user: config.ServerCommonCfg.DashboardUser,
passwd: config.ServerCommonCfg.DashboardPwd,
}
}
func basicAuth(h http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
user, passwd, hasAuth := r.BasicAuth()
if (config.ServerCommonCfg.DashboardUser == "" && config.ServerCommonCfg.DashboardPwd == "") ||
(hasAuth && user == config.ServerCommonCfg.DashboardUser || passwd == config.ServerCommonCfg.DashboardPwd) {
h.ServeHTTP(w, r)
} else {
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
}
}
}
func httprouterBasicAuth(h httprouter.Handle) httprouter.Handle {
return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
user, passwd, hasAuth := r.BasicAuth()
if (config.ServerCommonCfg.DashboardUser == "" && config.ServerCommonCfg.DashboardPwd == "") ||
(hasAuth && user == config.ServerCommonCfg.DashboardUser || passwd == config.ServerCommonCfg.DashboardPwd) {
h(w, r, ps)
} else {
w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
}
}
}