mirror of
https://github.com/fatedier/frp.git
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336 lines
9.3 KiB
Go
336 lines
9.3 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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"encoding/json"
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"net/http"
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"github.com/gorilla/mux"
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"github.com/fatedier/frp/pkg/config"
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"github.com/fatedier/frp/pkg/consts"
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"github.com/fatedier/frp/pkg/metrics/mem"
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"github.com/fatedier/frp/pkg/util/log"
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"github.com/fatedier/frp/pkg/util/version"
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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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type serverInfoResp struct {
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Version string `json:"version"`
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BindPort int `json:"bind_port"`
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BindUDPPort int `json:"bind_udp_port"`
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VhostHTTPPort int `json:"vhost_http_port"`
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VhostHTTPSPort int `json:"vhost_https_port"`
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KCPBindPort int `json:"kcp_bind_port"`
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SubdomainHost string `json:"subdomain_host"`
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MaxPoolCount int64 `json:"max_pool_count"`
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MaxPortsPerClient int64 `json:"max_ports_per_client"`
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HeartBeatTimeout int64 `json:"heart_beat_timeout"`
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TotalTrafficIn int64 `json:"total_traffic_in"`
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TotalTrafficOut int64 `json:"total_traffic_out"`
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CurConns int64 `json:"cur_conns"`
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ClientCounts int64 `json:"client_counts"`
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ProxyTypeCounts map[string]int64 `json:"proxy_type_count"`
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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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// 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.Info("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.Info("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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BindUDPPort: svr.cfg.BindUDPPort,
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VhostHTTPPort: svr.cfg.VhostHTTPPort,
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VhostHTTPSPort: svr.cfg.VhostHTTPSPort,
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KCPBindPort: svr.cfg.KCPBindPort,
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SubdomainHost: svr.cfg.SubDomainHost,
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MaxPoolCount: svr.cfg.MaxPoolCount,
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MaxPortsPerClient: svr.cfg.MaxPortsPerClient,
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HeartBeatTimeout: svr.cfg.HeartbeatTimeout,
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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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config.BaseProxyConf
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}
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type TCPOutConf struct {
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BaseOutConf
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RemotePort int `json:"remote_port"`
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}
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type TCPMuxOutConf struct {
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BaseOutConf
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config.DomainConf
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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:"remote_port"`
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}
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type HTTPOutConf struct {
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BaseOutConf
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config.DomainConf
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Locations []string `json:"locations"`
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HostHeaderRewrite string `json:"host_header_rewrite"`
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}
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type HTTPSOutConf struct {
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BaseOutConf
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config.DomainConf
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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) interface{} {
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switch proxyType {
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case consts.TCPProxy:
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return &TCPOutConf{}
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case consts.TCPMuxProxy:
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return &TCPMuxOutConf{}
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case consts.UDPProxy:
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return &UDPOutConf{}
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case consts.HTTPProxy:
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return &HTTPOutConf{}
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case consts.HTTPSProxy:
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return &HTTPSOutConf{}
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case consts.STCPProxy:
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return &STCPOutConf{}
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case consts.XTCPProxy:
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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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TodayTrafficIn int64 `json:"today_traffic_in"`
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TodayTrafficOut int64 `json:"today_traffic_out"`
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CurConns int64 `json:"cur_conns"`
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LastStartTime string `json:"last_start_time"`
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LastCloseTime string `json:"last_close_time"`
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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.Info("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.Info("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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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.GetConf())
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if err != nil {
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log.Warn("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.Warn("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 = consts.Online
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} else {
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proxyInfo.Status = consts.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:"today_traffic_in"`
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TodayTrafficOut int64 `json:"today_traffic_out"`
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CurConns int64 `json:"cur_conns"`
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LastStartTime string `json:"last_start_time"`
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LastCloseTime string `json:"last_close_time"`
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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.Info("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.Info("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.GetConf())
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if err != nil {
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log.Warn("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.Warn("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 = consts.Online
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} else {
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proxyInfo.Status = consts.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:"traffic_in"`
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TrafficOut []int64 `json:"traffic_out"`
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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.Info("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.Info("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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