mirror of https://gitee.com/IrisVega/frp.git
408 lines
12 KiB
Go
408 lines
12 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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"net/http"
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"slices"
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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/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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)
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// TODO(fatedier): add an API to clean status of all offline proxies.
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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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// 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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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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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 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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serverStats := mem.StatsCollector.GetServer()
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svrResp := serverInfoResp{
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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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}
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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 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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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 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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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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// 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)
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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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status := r.URL.Query().Get("status")
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if status != "offline" {
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res.Code = 400
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res.Msg = "status only support offline"
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return
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}
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cleared, total := mem.StatsCollector.ClearOfflineProxies()
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log.Infof("cleared [%d] offline proxies, total [%d] proxies", cleared, total)
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}
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