mirror of https://github.com/fatedier/frp.git
324 lines
8.5 KiB
Go
324 lines
8.5 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 client
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import (
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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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"sort"
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"strconv"
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"strings"
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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/util/log"
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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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// /healthz
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func (svr *Service) healthz(w http.ResponseWriter, r *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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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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_, pxyCfgs, visitorCfgs, err := config.ParseClientConfig(svr.cfgFile)
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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 = svr.ReloadConf(pxyCfgs, 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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type StatusResp struct {
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TCP []ProxyStatusResp `json:"tcp"`
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UDP []ProxyStatusResp `json:"udp"`
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HTTP []ProxyStatusResp `json:"http"`
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HTTPS []ProxyStatusResp `json:"https"`
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STCP []ProxyStatusResp `json:"stcp"`
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XTCP []ProxyStatusResp `json:"xtcp"`
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SUDP []ProxyStatusResp `json:"sudp"`
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}
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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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type ByProxyStatusResp []ProxyStatusResp
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func (a ByProxyStatusResp) Len() int { return len(a) }
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func (a ByProxyStatusResp) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
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func (a ByProxyStatusResp) Less(i, j int) bool { return strings.Compare(a[i].Name, a[j].Name) < 0 }
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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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switch cfg := status.Cfg.(type) {
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case *config.TCPProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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psr.Plugin = cfg.Plugin
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if status.Err != "" {
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psr.RemoteAddr = net.JoinHostPort(serverAddr, strconv.Itoa(cfg.RemotePort))
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} else {
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psr.RemoteAddr = serverAddr + status.RemoteAddr
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}
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case *config.UDPProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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if status.Err != "" {
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psr.RemoteAddr = net.JoinHostPort(serverAddr, strconv.Itoa(cfg.RemotePort))
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} else {
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psr.RemoteAddr = serverAddr + status.RemoteAddr
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}
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case *config.HTTPProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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psr.Plugin = cfg.Plugin
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psr.RemoteAddr = status.RemoteAddr
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case *config.HTTPSProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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psr.Plugin = cfg.Plugin
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psr.RemoteAddr = status.RemoteAddr
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case *config.STCPProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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psr.Plugin = cfg.Plugin
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case *config.XTCPProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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psr.Plugin = cfg.Plugin
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case *config.SUDPProxyConf:
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if cfg.LocalPort != 0 {
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psr.LocalAddr = net.JoinHostPort(cfg.LocalIP, strconv.Itoa(cfg.LocalPort))
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}
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psr.Plugin = cfg.Plugin
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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, r *http.Request) {
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var (
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buf []byte
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res StatusResp
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)
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res.TCP = make([]ProxyStatusResp, 0)
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res.UDP = make([]ProxyStatusResp, 0)
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res.HTTP = make([]ProxyStatusResp, 0)
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res.HTTPS = make([]ProxyStatusResp, 0)
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res.STCP = make([]ProxyStatusResp, 0)
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res.XTCP = make([]ProxyStatusResp, 0)
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res.SUDP = make([]ProxyStatusResp, 0)
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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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ps := svr.ctl.pm.GetAllProxyStatus()
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for _, status := range ps {
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switch status.Type {
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case "tcp":
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res.TCP = append(res.TCP, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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case "udp":
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res.UDP = append(res.UDP, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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case "http":
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res.HTTP = append(res.HTTP, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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case "https":
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res.HTTPS = append(res.HTTPS, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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case "stcp":
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res.STCP = append(res.STCP, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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case "xtcp":
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res.XTCP = append(res.XTCP, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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case "sudp":
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res.SUDP = append(res.SUDP, NewProxyStatusResp(status, svr.cfg.ServerAddr))
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}
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}
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sort.Sort(ByProxyStatusResp(res.TCP))
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sort.Sort(ByProxyStatusResp(res.UDP))
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sort.Sort(ByProxyStatusResp(res.HTTP))
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sort.Sort(ByProxyStatusResp(res.HTTPS))
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sort.Sort(ByProxyStatusResp(res.STCP))
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sort.Sort(ByProxyStatusResp(res.XTCP))
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sort.Sort(ByProxyStatusResp(res.SUDP))
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}
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// GET api/config
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func (svr *Service) apiGetConfig(w http.ResponseWriter, r *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.cfgFile == "" {
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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 := config.GetRenderedConfFromFile(svr.cfgFile)
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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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rows := strings.Split(string(content), "\n")
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newRows := make([]string, 0, len(rows))
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for _, row := range rows {
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row = strings.TrimSpace(row)
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if strings.HasPrefix(row, "token") {
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continue
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}
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newRows = append(newRows, row)
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}
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res.Msg = strings.Join(newRows, "\n")
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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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// get token from origin content
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token := ""
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b, err := os.ReadFile(svr.cfgFile)
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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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content := string(b)
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for _, row := range strings.Split(content, "\n") {
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row = strings.TrimSpace(row)
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if strings.HasPrefix(row, "token") {
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token = row
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break
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}
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}
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tmpRows := make([]string, 0)
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for _, row := range strings.Split(string(body), "\n") {
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row = strings.TrimSpace(row)
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if strings.HasPrefix(row, "token") {
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continue
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}
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tmpRows = append(tmpRows, row)
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}
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newRows := make([]string, 0)
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if token != "" {
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for _, row := range tmpRows {
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newRows = append(newRows, row)
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if strings.HasPrefix(row, "[common]") {
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newRows = append(newRows, token)
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}
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}
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} else {
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newRows = tmpRows
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}
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content = strings.Join(newRows, "\n")
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err = os.WriteFile(svr.cfgFile, []byte(content), 0o644)
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if 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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