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263 lines
6.7 KiB
263 lines
6.7 KiB
// 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 client
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import (
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"cmp"
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"encoding/json"
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"fmt"
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"io"
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"net"
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"net/http"
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"os"
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"slices"
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"strconv"
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"time"
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"github.com/fatedier/frp/client/proxy"
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"github.com/fatedier/frp/pkg/config"
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"github.com/fatedier/frp/pkg/config/v1/validation"
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httppkg "github.com/fatedier/frp/pkg/util/http"
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"github.com/fatedier/frp/pkg/util/log"
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netpkg "github.com/fatedier/frp/pkg/util/net"
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)
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type GeneralResponse struct {
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Code int
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Msg string
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}
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func (svr *Service) registerRouteHandlers(helper *httppkg.RouterRegisterHelper) {
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helper.Router.HandleFunc("/healthz", svr.healthz)
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subRouter := helper.Router.NewRoute().Subrouter()
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subRouter.Use(helper.AuthMiddleware.Middleware)
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// api, see admin_api.go
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subRouter.HandleFunc("/api/reload", svr.apiReload).Methods("GET")
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subRouter.HandleFunc("/api/stop", svr.apiStop).Methods("POST")
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subRouter.HandleFunc("/api/status", svr.apiStatus).Methods("GET")
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subRouter.HandleFunc("/api/config", svr.apiGetConfig).Methods("GET")
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subRouter.HandleFunc("/api/config", svr.apiPutConfig).Methods("PUT")
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// view
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subRouter.Handle("/favicon.ico", http.FileServer(helper.AssetsFS)).Methods("GET")
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subRouter.PathPrefix("/static/").Handler(
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netpkg.MakeHTTPGzipHandler(http.StripPrefix("/static/", http.FileServer(helper.AssetsFS))),
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).Methods("GET")
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subRouter.HandleFunc("/", 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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}
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// /healthz
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func (svr *Service) healthz(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(200)
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}
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// GET /api/reload
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func (svr *Service) apiReload(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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strictConfigMode := false
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strictStr := r.URL.Query().Get("strictConfig")
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if strictStr != "" {
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strictConfigMode, _ = strconv.ParseBool(strictStr)
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}
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log.Info("api request [/api/reload]")
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defer func() {
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log.Info("api response [/api/reload], code [%d]", res.Code)
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w.WriteHeader(res.Code)
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if len(res.Msg) > 0 {
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_, _ = w.Write([]byte(res.Msg))
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}
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}()
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cliCfg, proxyCfgs, visitorCfgs, _, err := config.LoadClientConfig(svr.configFilePath, strictConfigMode)
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if err != nil {
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res.Code = 400
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res.Msg = err.Error()
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log.Warn("reload frpc proxy config error: %s", res.Msg)
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return
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}
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if _, err := validation.ValidateAllClientConfig(cliCfg, proxyCfgs, visitorCfgs); err != nil {
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res.Code = 400
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res.Msg = err.Error()
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log.Warn("reload frpc proxy config error: %s", res.Msg)
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return
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}
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if err := svr.UpdateAllConfigurer(proxyCfgs, visitorCfgs); err != nil {
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res.Code = 500
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res.Msg = err.Error()
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log.Warn("reload frpc proxy config error: %s", res.Msg)
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return
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}
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log.Info("success reload conf")
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}
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// POST /api/stop
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func (svr *Service) apiStop(w http.ResponseWriter, _ *http.Request) {
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res := GeneralResponse{Code: 200}
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log.Info("api request [/api/stop]")
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defer func() {
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log.Info("api response [/api/stop], code [%d]", res.Code)
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w.WriteHeader(res.Code)
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if len(res.Msg) > 0 {
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_, _ = w.Write([]byte(res.Msg))
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}
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}()
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go svr.GracefulClose(100 * time.Millisecond)
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}
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type StatusResp map[string][]ProxyStatusResp
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type ProxyStatusResp struct {
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Name string `json:"name"`
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Type string `json:"type"`
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Status string `json:"status"`
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Err string `json:"err"`
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LocalAddr string `json:"local_addr"`
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Plugin string `json:"plugin"`
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RemoteAddr string `json:"remote_addr"`
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}
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func NewProxyStatusResp(status *proxy.WorkingStatus, serverAddr string) ProxyStatusResp {
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psr := ProxyStatusResp{
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Name: status.Name,
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Type: status.Type,
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Status: status.Phase,
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Err: status.Err,
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}
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baseCfg := status.Cfg.GetBaseConfig()
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if baseCfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(baseCfg.LocalIP, strconv.Itoa(baseCfg.LocalPort))
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}
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psr.Plugin = baseCfg.Plugin.Type
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if status.Err == "" {
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psr.RemoteAddr = status.RemoteAddr
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if slices.Contains([]string{"tcp", "udp"}, status.Type) {
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psr.RemoteAddr = serverAddr + psr.RemoteAddr
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}
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}
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return psr
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}
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// GET /api/status
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func (svr *Service) apiStatus(w http.ResponseWriter, _ *http.Request) {
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var (
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buf []byte
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res StatusResp = make(map[string][]ProxyStatusResp)
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)
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log.Info("Http request [/api/status]")
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defer func() {
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log.Info("Http response [/api/status]")
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buf, _ = json.Marshal(&res)
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_, _ = w.Write(buf)
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}()
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svr.ctlMu.RLock()
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ctl := svr.ctl
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svr.ctlMu.RUnlock()
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if ctl == nil {
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return
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}
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ps := ctl.pm.GetAllProxyStatus()
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for _, status := range ps {
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res[status.Type] = append(res[status.Type], NewProxyStatusResp(status, svr.common.ServerAddr))
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}
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for _, arrs := range res {
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if len(arrs) <= 1 {
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continue
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}
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slices.SortFunc(arrs, func(a, b ProxyStatusResp) int {
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return cmp.Compare(a.Name, b.Name)
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})
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}
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}
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// GET /api/config
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func (svr *Service) apiGetConfig(w http.ResponseWriter, _ *http.Request) {
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res := GeneralResponse{Code: 200}
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log.Info("Http get request [/api/config]")
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defer func() {
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log.Info("Http get response [/api/config], code [%d]", res.Code)
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w.WriteHeader(res.Code)
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if len(res.Msg) > 0 {
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_, _ = w.Write([]byte(res.Msg))
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}
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}()
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if svr.configFilePath == "" {
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res.Code = 400
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res.Msg = "frpc has no config file path"
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log.Warn("%s", res.Msg)
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return
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}
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content, err := os.ReadFile(svr.configFilePath)
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if err != nil {
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res.Code = 400
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res.Msg = err.Error()
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log.Warn("load frpc config file error: %s", res.Msg)
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return
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}
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res.Msg = string(content)
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}
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// PUT /api/config
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func (svr *Service) apiPutConfig(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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log.Info("Http put request [/api/config]")
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defer func() {
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log.Info("Http put response [/api/config], code [%d]", res.Code)
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w.WriteHeader(res.Code)
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if len(res.Msg) > 0 {
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_, _ = w.Write([]byte(res.Msg))
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}
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}()
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// get new config content
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body, err := io.ReadAll(r.Body)
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if err != nil {
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res.Code = 400
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res.Msg = fmt.Sprintf("read request body error: %v", err)
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log.Warn("%s", res.Msg)
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return
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}
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if len(body) == 0 {
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res.Code = 400
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res.Msg = "body can't be empty"
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log.Warn("%s", res.Msg)
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return
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}
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if err := os.WriteFile(svr.configFilePath, body, 0o644); err != nil {
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res.Code = 500
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res.Msg = fmt.Sprintf("write content to frpc config file error: %v", err)
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log.Warn("%s", res.Msg)
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return
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}
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}
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