mirror of
https://github.com/fatedier/frp.git
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128 lines
4.0 KiB
Go
128 lines
4.0 KiB
Go
// Copyright 2017 fatedier, fatedier@gmail.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package server
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import (
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"fmt"
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"net"
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"net/http"
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"time"
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"github.com/fatedier/frp/assets"
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"github.com/fatedier/frp/models/config"
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"github.com/julienschmidt/httprouter"
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)
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var (
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httpServerReadTimeout = 10 * time.Second
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httpServerWriteTimeout = 10 * time.Second
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)
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func RunDashboardServer(addr string, port int64) (err error) {
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// url router
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router := httprouter.New()
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// api, see dashboard_api.go
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router.GET("/api/serverinfo", httprouterBasicAuth(apiServerInfo))
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router.GET("/api/proxy/tcp", httprouterBasicAuth(apiProxyTcp))
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router.GET("/api/proxy/udp", httprouterBasicAuth(apiProxyUdp))
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router.GET("/api/proxy/http", httprouterBasicAuth(apiProxyHttp))
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router.GET("/api/proxy/https", httprouterBasicAuth(apiProxyHttps))
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router.GET("/api/proxy/traffic/:name", httprouterBasicAuth(apiProxyTraffic))
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// view
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router.Handler("GET", "/favicon.ico", http.FileServer(assets.FileSystem))
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router.Handler("GET", "/static/*filepath", basicAuthWraper(http.StripPrefix("/static/", http.FileServer(assets.FileSystem))))
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router.HandlerFunc("GET", "/", basicAuth(func(w http.ResponseWriter, r *http.Request) {
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http.Redirect(w, r, "/static/", http.StatusMovedPermanently)
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}))
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address := fmt.Sprintf("%s:%d", addr, port)
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server := &http.Server{
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Addr: address,
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Handler: router,
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ReadTimeout: httpServerReadTimeout,
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WriteTimeout: httpServerWriteTimeout,
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}
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if address == "" {
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address = ":http"
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}
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ln, err := net.Listen("tcp", address)
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if err != nil {
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return err
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}
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go server.Serve(ln)
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return
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}
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func use(h http.HandlerFunc, middleware ...func(http.HandlerFunc) http.HandlerFunc) http.HandlerFunc {
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for _, m := range middleware {
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h = m(h)
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}
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return h
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}
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type AuthWraper struct {
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h http.Handler
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user string
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passwd string
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}
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func (aw *AuthWraper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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user, passwd, hasAuth := r.BasicAuth()
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if (aw.user == "" && aw.passwd == "") || (hasAuth && user == aw.user || passwd == aw.passwd) {
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aw.h.ServeHTTP(w, r)
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} else {
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w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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}
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}
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func basicAuthWraper(h http.Handler) http.Handler {
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return &AuthWraper{
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h: h,
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user: config.ServerCommonCfg.DashboardUser,
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passwd: config.ServerCommonCfg.DashboardPwd,
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}
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}
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func basicAuth(h http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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user, passwd, hasAuth := r.BasicAuth()
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if (config.ServerCommonCfg.DashboardUser == "" && config.ServerCommonCfg.DashboardPwd == "") ||
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(hasAuth && user == config.ServerCommonCfg.DashboardUser || passwd == config.ServerCommonCfg.DashboardPwd) {
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h.ServeHTTP(w, r)
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} else {
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w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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}
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}
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}
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func httprouterBasicAuth(h httprouter.Handle) httprouter.Handle {
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return func(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
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user, passwd, hasAuth := r.BasicAuth()
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if (config.ServerCommonCfg.DashboardUser == "" && config.ServerCommonCfg.DashboardPwd == "") ||
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(hasAuth && user == config.ServerCommonCfg.DashboardUser || passwd == config.ServerCommonCfg.DashboardPwd) {
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h(w, r, ps)
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} else {
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w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
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http.Error(w, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
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}
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}
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}
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