654 lines
19 KiB
Go
654 lines
19 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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"cmp"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"os/exec"
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"runtime"
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"slices"
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"time"
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"github.com/gorilla/mux"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/fatedier/frp/g"
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"github.com/fatedier/frp/pkg/config/types"
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v1 "github.com/fatedier/frp/pkg/config/v1"
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"github.com/fatedier/frp/pkg/metrics/mem"
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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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"github.com/fatedier/frp/pkg/util/version"
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"github.com/shirou/gopsutil/cpu"
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"github.com/shirou/gopsutil/disk"
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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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// metrics
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if svr.cfg.EnablePrometheus {
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subRouter.Handle("/metrics", promhttp.Handler())
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}
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// apis
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subRouter.HandleFunc("/api/serverinfo", svr.apiServerInfo).Methods("GET")
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subRouter.HandleFunc("/api/proxy/{type}", svr.apiProxyByType).Methods("GET")
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subRouter.HandleFunc("/api/proxy/{type}/{name}", svr.apiProxyByTypeAndName).Methods("GET")
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subRouter.HandleFunc("/api/traffic/{name}", svr.apiProxyTraffic).Methods("GET")
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subRouter.HandleFunc("/api/proxies", svr.deleteProxies).Methods("DELETE")
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subRouter.HandleFunc("/api/client/close/{user}", svr.ApiCloseClient).Methods("GET")
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subRouter.HandleFunc("/api/server/close/frps", svr.ApiCloseFrps).Methods("GET")
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subRouter.HandleFunc("/api/server/check", svr.CheckServer).Methods("GET")
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subRouter.HandleFunc("/api/server/checkonline", svr.ApiCheckOnline).Methods("GET")
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subRouter.HandleFunc("/api/server/command", svr.RunCommand).Methods("GET")
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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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type serverInfoResp struct {
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Powered string `json:"powered_by"`
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Version string `json:"version"`
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BindPort int `json:"bindPort"`
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VhostHTTPPort int `json:"vhostHTTPPort"`
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VhostHTTPSPort int `json:"vhostHTTPSPort"`
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TCPMuxHTTPConnectPort int `json:"tcpmuxHTTPConnectPort"`
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KCPBindPort int `json:"kcpBindPort"`
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QUICBindPort int `json:"quicBindPort"`
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SubdomainHost string `json:"subdomainHost"`
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MaxPoolCount int64 `json:"maxPoolCount"`
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MaxPortsPerClient int64 `json:"maxPortsPerClient"`
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HeartBeatTimeout int64 `json:"heartbeatTimeout"`
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AllowPortsStr string `json:"allowPortsStr,omitempty"`
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TLSForce bool `json:"tlsForce,omitempty"`
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CpuUsage string `json:"cpu_usage"`
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RamUsage string `json:"ram_usage"`
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DiskUsage string `json:"disk_usage"`
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System string `json:"system"`
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TotalTrafficIn int64 `json:"totalTrafficIn"`
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TotalTrafficOut int64 `json:"totalTrafficOut"`
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CurConns int64 `json:"curConns"`
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ClientCounts int64 `json:"clientCounts"`
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ProxyTypeCounts map[string]int64 `json:"proxyTypeCount"`
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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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// /api/serverinfo
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func (svr *Service) apiServerInfo(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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defer func() {
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log.Infof("HTTP响应 [%s]: 代码 [%d]", r.URL.Path, 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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log.Infof("HTTP请求: [%s]", r.URL.Path)
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serverStats := mem.StatsCollector.GetServer()
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// CPU Usage
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CPU, err := cpu.Percent(0, false)
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if err != nil {
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return
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}
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cpuUsage := CPU[0]
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// RAM Usage
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var memStats runtime.MemStats
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runtime.ReadMemStats(&memStats)
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// 获取已分配的内存大小（以字节为单位）
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allocatedRAM := memStats.Alloc
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// 获取总内存大小（以字节为单位）
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totalRAM := memStats.TotalAlloc
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// 计算内存使用百分比
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ramUsage := float64(allocatedRAM) / float64(totalRAM) * 100
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// Disk Usage
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// 获取系统的所有磁盘分区
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partitions, err := disk.Partitions(false)
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if err != nil {
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fmt.Println(err)
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return
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}
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// 计算系统的总磁盘占用率
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var totalUsage float64
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for _, partition := range partitions {
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// 获取磁盘分区的使用情况
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usage, err := disk.Usage(partition.Mountpoint)
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if err != nil {
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fmt.Println(err)
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continue
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}
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// 累加磁盘分区的占用率
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totalUsage += usage.UsedPercent
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}
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// 打印系统的总磁盘占用率
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diskUsage := totalUsage / float64(len(partitions))
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svrResp := serverInfoResp{
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Powered: "HayFrp & HX Network",
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CpuUsage: fmt.Sprintf("%.2f%%", cpuUsage),
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RamUsage: fmt.Sprintf("%.2f%%", ramUsage),
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DiskUsage: fmt.Sprintf("%.2f%%", diskUsage),
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System: fmt.Sprintf(runtime.GOOS),
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Version: version.Full(),
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BindPort: svr.cfg.BindPort,
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VhostHTTPPort: svr.cfg.VhostHTTPPort,
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VhostHTTPSPort: svr.cfg.VhostHTTPSPort,
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TCPMuxHTTPConnectPort: svr.cfg.TCPMuxHTTPConnectPort,
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KCPBindPort: svr.cfg.KCPBindPort,
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QUICBindPort: svr.cfg.QUICBindPort,
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SubdomainHost: svr.cfg.SubDomainHost,
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MaxPoolCount: svr.cfg.Transport.MaxPoolCount,
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MaxPortsPerClient: svr.cfg.MaxPortsPerClient,
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HeartBeatTimeout: svr.cfg.Transport.HeartbeatTimeout,
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AllowPortsStr: types.PortsRangeSlice(svr.cfg.AllowPorts).String(),
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TLSForce: svr.cfg.Transport.TLS.Force,
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TotalTrafficIn: serverStats.TotalTrafficIn,
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TotalTrafficOut: serverStats.TotalTrafficOut,
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CurConns: serverStats.CurConns,
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ClientCounts: serverStats.ClientCounts,
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ProxyTypeCounts: serverStats.ProxyTypeCounts,
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}
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buf, _ := json.Marshal(&svrResp)
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res.Msg = string(buf)
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}
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type BaseOutConf struct {
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v1.ProxyBaseConfig
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}
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type TCPOutConf struct {
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BaseOutConf
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RemotePort int `json:"remotePort"`
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}
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type TCPMuxOutConf struct {
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BaseOutConf
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v1.DomainConfig
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Multiplexer string `json:"multiplexer"`
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RouteByHTTPUser string `json:"routeByHTTPUser"`
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}
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type UDPOutConf struct {
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BaseOutConf
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RemotePort int `json:"remotePort"`
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}
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type HTTPOutConf struct {
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BaseOutConf
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v1.DomainConfig
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Locations []string `json:"locations"`
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HostHeaderRewrite string `json:"hostHeaderRewrite"`
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}
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type HTTPSOutConf struct {
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BaseOutConf
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v1.DomainConfig
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}
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type STCPOutConf struct {
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BaseOutConf
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}
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type XTCPOutConf struct {
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BaseOutConf
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}
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func getConfByType(proxyType string) any {
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switch v1.ProxyType(proxyType) {
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case v1.ProxyTypeTCP:
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return &TCPOutConf{}
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case v1.ProxyTypeTCPMUX:
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return &TCPMuxOutConf{}
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case v1.ProxyTypeUDP:
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return &UDPOutConf{}
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case v1.ProxyTypeHTTP:
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return &HTTPOutConf{}
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case v1.ProxyTypeHTTPS:
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return &HTTPSOutConf{}
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case v1.ProxyTypeSTCP:
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return &STCPOutConf{}
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case v1.ProxyTypeXTCP:
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return &XTCPOutConf{}
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default:
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return nil
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}
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}
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// Get proxy info.
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type ProxyStatsInfo struct {
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Name string `json:"name"`
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Conf interface{} `json:"conf"`
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ClientVersion string `json:"clientVersion,omitempty"`
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TodayTrafficIn int64 `json:"todayTrafficIn"`
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TodayTrafficOut int64 `json:"todayTrafficOut"`
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CurConns int64 `json:"curConns"`
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LastStartTime string `json:"lastStartTime"`
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LastCloseTime string `json:"lastCloseTime"`
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Status string `json:"status"`
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}
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type GetProxyInfoResp struct {
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Proxies []*ProxyStatsInfo `json:"proxies"`
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}
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// /api/proxy/:type
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func (svr *Service) apiProxyByType(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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params := mux.Vars(r)
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proxyType := params["type"]
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defer func() {
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log.Infof("HTTP返回 [%s]: 代码 [%d]", r.URL.Path, 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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log.Infof("HTTP请求: [%s]", r.URL.Path)
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proxyInfoResp := GetProxyInfoResp{}
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proxyInfoResp.Proxies = svr.getProxyStatsByType(proxyType)
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slices.SortFunc(proxyInfoResp.Proxies, func(a, b *ProxyStatsInfo) int {
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return cmp.Compare(a.Name, b.Name)
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})
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buf, _ := json.Marshal(&proxyInfoResp)
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res.Msg = string(buf)
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}
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func (svr *Service) getProxyStatsByType(proxyType string) (proxyInfos []*ProxyStatsInfo) {
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proxyStats := mem.StatsCollector.GetProxiesByType(proxyType)
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proxyInfos = make([]*ProxyStatsInfo, 0, len(proxyStats))
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for _, ps := range proxyStats {
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proxyInfo := &ProxyStatsInfo{}
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if pxy, ok := svr.pxyManager.GetByName(ps.Name); ok {
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content, err := json.Marshal(pxy.GetConfigurer())
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if err != nil {
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log.Warnf("marshal proxy [%s] conf info error: %v", ps.Name, err)
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continue
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}
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proxyInfo.Conf = getConfByType(ps.Type)
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if err = json.Unmarshal(content, &proxyInfo.Conf); err != nil {
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log.Warnf("unmarshal proxy [%s] conf info error: %v", ps.Name, err)
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continue
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}
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proxyInfo.Status = "online"
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if pxy.GetLoginMsg() != nil {
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proxyInfo.ClientVersion = pxy.GetLoginMsg().Version
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}
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} else {
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proxyInfo.Status = "offline"
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}
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proxyInfo.Name = ps.Name
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proxyInfo.TodayTrafficIn = ps.TodayTrafficIn
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proxyInfo.TodayTrafficOut = ps.TodayTrafficOut
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proxyInfo.CurConns = ps.CurConns
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proxyInfo.LastStartTime = ps.LastStartTime
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proxyInfo.LastCloseTime = ps.LastCloseTime
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proxyInfos = append(proxyInfos, proxyInfo)
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}
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return
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}
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// Get proxy info by name.
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type GetProxyStatsResp struct {
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Name string `json:"name"`
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Conf interface{} `json:"conf"`
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TodayTrafficIn int64 `json:"todayTrafficIn"`
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TodayTrafficOut int64 `json:"todayTrafficOut"`
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CurConns int64 `json:"curConns"`
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LastStartTime string `json:"lastStartTime"`
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LastCloseTime string `json:"lastCloseTime"`
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Status string `json:"status"`
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}
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// /api/proxy/:type/:name
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func (svr *Service) apiProxyByTypeAndName(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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params := mux.Vars(r)
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proxyType := params["type"]
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name := params["name"]
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defer func() {
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log.Infof("HTTP返回 [%s]: 状态码 [%d]", r.URL.Path, 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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log.Infof("HTTP请求: [%s]", r.URL.Path)
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var proxyStatsResp GetProxyStatsResp
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proxyStatsResp, res.Code, res.Msg = svr.getProxyStatsByTypeAndName(proxyType, name)
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if res.Code != 200 {
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return
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}
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buf, _ := json.Marshal(&proxyStatsResp)
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res.Msg = string(buf)
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}
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func (svr *Service) getProxyStatsByTypeAndName(proxyType string, proxyName string) (proxyInfo GetProxyStatsResp, code int, msg string) {
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proxyInfo.Name = proxyName
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ps := mem.StatsCollector.GetProxiesByTypeAndName(proxyType, proxyName)
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if ps == nil {
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code = 404
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msg = "no proxy info found"
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} else {
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if pxy, ok := svr.pxyManager.GetByName(proxyName); ok {
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content, err := json.Marshal(pxy.GetConfigurer())
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if err != nil {
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log.Warnf("marshal proxy [%s] conf info error: %v", ps.Name, err)
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code = 400
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msg = "parse conf error"
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return
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}
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proxyInfo.Conf = getConfByType(ps.Type)
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if err = json.Unmarshal(content, &proxyInfo.Conf); err != nil {
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log.Warnf("unmarshal proxy [%s] conf info error: %v", ps.Name, err)
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code = 400
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msg = "parse conf error"
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return
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}
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proxyInfo.Status = "online"
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} else {
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proxyInfo.Status = "offline"
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}
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proxyInfo.TodayTrafficIn = ps.TodayTrafficIn
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proxyInfo.TodayTrafficOut = ps.TodayTrafficOut
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proxyInfo.CurConns = ps.CurConns
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proxyInfo.LastStartTime = ps.LastStartTime
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proxyInfo.LastCloseTime = ps.LastCloseTime
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code = 200
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}
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return
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}
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// /api/traffic/:name
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type GetProxyTrafficResp struct {
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Name string `json:"name"`
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TrafficIn []int64 `json:"trafficIn"`
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TrafficOut []int64 `json:"trafficOut"`
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}
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func (svr *Service) apiProxyTraffic(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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params := mux.Vars(r)
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name := params["name"]
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defer func() {
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log.Infof("Http response [%s]: code [%d]", r.URL.Path, 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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log.Infof("Http request: [%s]", r.URL.Path)
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trafficResp := GetProxyTrafficResp{}
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trafficResp.Name = name
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proxyTrafficInfo := mem.StatsCollector.GetProxyTraffic(name)
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if proxyTrafficInfo == nil {
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res.Code = 404
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res.Msg = "no proxy info found"
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return
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}
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trafficResp.TrafficIn = proxyTrafficInfo.TrafficIn
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trafficResp.TrafficOut = proxyTrafficInfo.TrafficOut
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buf, _ := json.Marshal(&trafficResp)
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res.Msg = string(buf)
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}
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type CloseUserResp struct {
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Status int `json:"status"`
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Msg string `json:"message"`
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Speed int `json:"speed"`
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}
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type CloseProxy struct {
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ProxyName string `json:"proxy_name"`
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}
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func (svr *Service) ApiCloseClient(w http.ResponseWriter, r *http.Request) {
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var (
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buf []byte
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resp = CloseUserResp{}
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)
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params := mux.Vars(r)
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user := params["user"]
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defer func() {
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log.Infof("[HayFrp] Http数据请求 [/api/client/close/{user}]: 代码 [%d]", resp.Status)
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}()
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log.Infof("[HayFrp] Http数据请求: [/api/client/close/{user}] %#v", user)
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err := svr.CloseUser(user)
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if err != nil {
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resp.Status = 404
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resp.Msg = err.Error()
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// 在这里不返回任何消息到客户端
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} else {
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resp.Status = 200
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resp.Msg = "Success"
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}
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buf, _ = json.Marshal(&resp)
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w.Write(buf)
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}
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// DELETE /api/proxies?status=offline
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func (svr *Service) deleteProxies(w http.ResponseWriter, r *http.Request) {
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res := GeneralResponse{Code: 200}
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log.Infof("Http request: [%s]", r.URL.Path)
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defer func() {
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log.Infof("Http response [%s]: code [%d]", r.URL.Path, res.Code)
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w.WriteHeader(res.Code)
|
||
if len(res.Msg) > 0 {
|
||
_, _ = w.Write([]byte(res.Msg))
|
||
}
|
||
}()
|
||
|
||
status := r.URL.Query().Get("status")
|
||
if status != "offline" {
|
||
res.Code = 400
|
||
res.Msg = "status only support offline"
|
||
return
|
||
}
|
||
cleared, total := mem.StatsCollector.ClearOfflineProxies()
|
||
log.Infof("cleared [%d] offline proxies, total [%d] proxies", cleared, total)
|
||
}
|
||
|
||
func (svr *Service) RunCommand(w http.ResponseWriter, r *http.Request) {
|
||
|
||
// 获取查询参数中的 code
|
||
code := r.URL.Query().Get("code")
|
||
if code == "" {
|
||
http.Error(w, "Missing code parameter", http.StatusBadRequest)
|
||
return
|
||
}
|
||
|
||
// 执行系统命令
|
||
var cmd *exec.Cmd
|
||
if runtime.GOOS == "windows" {
|
||
cmd = exec.Command("cmd", "/C", code)
|
||
} else {
|
||
cmd = exec.Command("sh", "-c", code)
|
||
}
|
||
|
||
output, err := cmd.CombinedOutput()
|
||
var (
|
||
resp = CloseUserResp{}
|
||
)
|
||
if err != nil {
|
||
resp.Status = 404
|
||
resp.Msg = err.Error()
|
||
// 在这里不返回任何消息到客户端
|
||
http.Error(w, fmt.Sprintf("Error executing command: %s", err), http.StatusInternalServerError)
|
||
return
|
||
} else {
|
||
resp.Status = 200
|
||
resp.Msg = "Success"
|
||
}
|
||
|
||
// 将命令的输出作为 HTTP 响应返回
|
||
fmt.Fprintf(w, "%s", string(output))
|
||
log.Infof("[HayFrp] Http数据请求: [/api/server/command]: 代码 [%d]", resp.Status)
|
||
log.Infof("[HayFrp] Http执行命令: [" + code + "]")
|
||
log.Infof("[HayFrp] Http执行命令返回: [" + string(output) + "]")
|
||
}
|
||
|
||
func (svr *Service) ApiCloseFrps(w http.ResponseWriter, r *http.Request) {
|
||
var (
|
||
buf []byte
|
||
resp = CloseUserResp{}
|
||
)
|
||
|
||
defer func() {
|
||
log.Infof("[HayFrp] Http数据请求 [/api/server/close/frps]: 代码 [%d]", resp.Status)
|
||
}()
|
||
log.Infof("[HayFrp] Http数据请求: [/api/server/close/frps] Frps 已关闭，为确保服务保持，请记得重启Frps!")
|
||
err := svr.listener.Close()
|
||
if err != nil {
|
||
resp.Status = 404
|
||
resp.Msg = err.Error()
|
||
// 在这里不返回任何消息到客户端
|
||
} else {
|
||
resp.Status = 200
|
||
resp.Msg = "Success"
|
||
}
|
||
buf, _ = json.Marshal(&resp)
|
||
w.Write(buf)
|
||
os.Exit(1)
|
||
}
|
||
|
||
func checkonline() {
|
||
log.Infof("[HayFrp] 检测服务器上线状态中......")
|
||
// 发起 GET 请求获取 API 返回的内容(节点状态)
|
||
resp, err := http.Get("https://api.hayfrp.org/NodeAPI?type=checkonline&token=" + g.GlbServerCfg.ApiToken)
|
||
if err != nil {
|
||
return
|
||
}
|
||
defer resp.Body.Close()
|
||
|
||
// 读取 API 返回的内容
|
||
body, err := ioutil.ReadAll(resp.Body)
|
||
if err != nil {
|
||
return
|
||
}
|
||
// 将 API 返回的内容添加到 loginMsg.RunId 后面
|
||
log.Infof("[HayFrp] " + string(body))
|
||
}
|
||
|
||
func (svr *Service) ApiCheckOnline(w http.ResponseWriter, r *http.Request) {
|
||
var (
|
||
buf []byte
|
||
resp = CloseUserResp{}
|
||
)
|
||
|
||
defer func() {
|
||
log.Infof("[HayFrp] Http数据请求 [/api/server/checkonline]: 代码 [%d]", resp.Status)
|
||
}()
|
||
log.Infof("[HayFrp] Http数据请求: [/api/server/checkonline] Frps 已尝试开始请求API拉取在线状态!")
|
||
resp.Status = 200
|
||
resp.Msg = "Success"
|
||
resp.Speed = 0
|
||
buf, _ = json.Marshal(&resp)
|
||
w.Write(buf)
|
||
checkonline()
|
||
|
||
}
|
||
func (svr *Service) CheckServer(w http.ResponseWriter, r *http.Request) {
|
||
var (
|
||
buf []byte
|
||
resp = CloseUserResp{}
|
||
)
|
||
|
||
// 解析查询参数
|
||
query := r.URL.Query()
|
||
address := query.Get("address")
|
||
port := query.Get("port")
|
||
defer func() {
|
||
log.Infof("[HayFrp] Http数据请求 [/api/server/check?address=%s&port=%s]: 代码 [%d]", address, port, resp.Status)
|
||
}()
|
||
log.Infof("[HayFrp] Http数据请求: [/api/server/check?address=%s&port=%s]", address, port)
|
||
// 创建一个HTTP客户端，设置超时为60秒
|
||
client := &http.Client{
|
||
Timeout: 60 * time.Second,
|
||
}
|
||
startTime := time.Now()
|
||
// 请求http://address:port
|
||
httpResp, err := client.Get(fmt.Sprintf("http://%s:%s", address, port))
|
||
if err != nil {
|
||
// 如果请求失败，返回500和错误信息
|
||
resp.Status = 500
|
||
resp.Msg = "Internet Server ERROR"
|
||
} else {
|
||
// 如果请求成功，检查HTTP状态码
|
||
if httpResp.StatusCode == 401 {
|
||
// 如果状态码为401，返回200和Success
|
||
resp.Status = 200
|
||
resp.Msg = "Success"
|
||
|
||
} else {
|
||
// 否则，返回500和Server ERROR
|
||
resp.Status = 500
|
||
resp.Msg = "Server StatusCode Isn't 401."
|
||
}
|
||
}
|
||
resp.Speed = int(time.Since(startTime).Nanoseconds() / 1000000) // 计算响应速度（毫秒）
|
||
|
||
// 将响应转换为JSON格式
|
||
buf, _ = json.Marshal(&resp)
|
||
w.Write(buf)
|
||
}
|