frp/client/admin_api.go

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// Copyright 2017 fatedier, fatedier@gmail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package client
import (
"encoding/json"
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"fmt"
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"io/ioutil"
"net/http"
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"sort"
"strings"
ini "github.com/vaughan0/go-ini"
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"github.com/fatedier/frp/g"
"github.com/fatedier/frp/models/config"
"github.com/fatedier/frp/utils/log"
)
type GeneralResponse struct {
Code int64 `json:"code"`
Msg string `json:"msg"`
}
// api/reload
type ReloadResp struct {
GeneralResponse
}
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func (svr *Service) apiReload(w http.ResponseWriter, r *http.Request) {
var (
buf []byte
res ReloadResp
)
defer func() {
log.Info("Http response [/api/reload]: code [%d]", res.Code)
buf, _ = json.Marshal(&res)
w.Write(buf)
}()
log.Info("Http request: [/api/reload]")
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b, err := ioutil.ReadFile(g.GlbClientCfg.CfgFile)
if err != nil {
res.Code = 1
res.Msg = err.Error()
log.Error("reload frpc config file error: %v", err)
return
}
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content := string(b)
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newCommonCfg, err := config.UnmarshalClientConfFromIni(nil, content)
if err != nil {
res.Code = 2
res.Msg = err.Error()
log.Error("reload frpc common section error: %v", err)
return
}
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conf, err := ini.LoadFile(g.GlbClientCfg.CfgFile)
if err != nil {
res.Code = 1
res.Msg = err.Error()
log.Error("reload frpc config file error: %v", err)
return
}
pxyCfgs, visitorCfgs, err := config.LoadProxyConfFromIni(g.GlbClientCfg.User, conf, newCommonCfg.Start)
if err != nil {
res.Code = 3
res.Msg = err.Error()
log.Error("reload frpc proxy config error: %v", err)
return
}
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err = svr.ctl.reloadConf(pxyCfgs, visitorCfgs)
if err != nil {
res.Code = 4
res.Msg = err.Error()
log.Error("reload frpc proxy config error: %v", err)
return
}
log.Info("success reload conf")
return
}
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type StatusResp struct {
Tcp []ProxyStatusResp `json:"tcp"`
Udp []ProxyStatusResp `json:"udp"`
Http []ProxyStatusResp `json:"http"`
Https []ProxyStatusResp `json:"https"`
Stcp []ProxyStatusResp `json:"stcp"`
Xtcp []ProxyStatusResp `json:"xtcp"`
}
type ProxyStatusResp struct {
Name string `json:"name"`
Type string `json:"type"`
Status string `json:"status"`
Err string `json:"err"`
LocalAddr string `json:"local_addr"`
Plugin string `json:"plugin"`
RemoteAddr string `json:"remote_addr"`
}
type ByProxyStatusResp []ProxyStatusResp
func (a ByProxyStatusResp) Len() int { return len(a) }
func (a ByProxyStatusResp) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ByProxyStatusResp) Less(i, j int) bool { return strings.Compare(a[i].Name, a[j].Name) < 0 }
func NewProxyStatusResp(status *ProxyStatus) ProxyStatusResp {
psr := ProxyStatusResp{
Name: status.Name,
Type: status.Type,
Status: status.Status,
Err: status.Err,
}
switch cfg := status.Cfg.(type) {
case *config.TcpProxyConf:
if cfg.LocalPort != 0 {
psr.LocalAddr = fmt.Sprintf("%s:%d", cfg.LocalIp, cfg.LocalPort)
}
psr.Plugin = cfg.Plugin
if status.Err != "" {
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psr.RemoteAddr = fmt.Sprintf("%s:%d", g.GlbClientCfg.ServerAddr, cfg.RemotePort)
} else {
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psr.RemoteAddr = g.GlbClientCfg.ServerAddr + status.RemoteAddr
}
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case *config.UdpProxyConf:
if cfg.LocalPort != 0 {
psr.LocalAddr = fmt.Sprintf("%s:%d", cfg.LocalIp, cfg.LocalPort)
}
if status.Err != "" {
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psr.RemoteAddr = fmt.Sprintf("%s:%d", g.GlbClientCfg.ServerAddr, cfg.RemotePort)
} else {
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psr.RemoteAddr = g.GlbClientCfg.ServerAddr + status.RemoteAddr
}
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case *config.HttpProxyConf:
if cfg.LocalPort != 0 {
psr.LocalAddr = fmt.Sprintf("%s:%d", cfg.LocalIp, cfg.LocalPort)
}
psr.Plugin = cfg.Plugin
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psr.RemoteAddr = status.RemoteAddr
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case *config.HttpsProxyConf:
if cfg.LocalPort != 0 {
psr.LocalAddr = fmt.Sprintf("%s:%d", cfg.LocalIp, cfg.LocalPort)
}
psr.Plugin = cfg.Plugin
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psr.RemoteAddr = status.RemoteAddr
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case *config.StcpProxyConf:
if cfg.LocalPort != 0 {
psr.LocalAddr = fmt.Sprintf("%s:%d", cfg.LocalIp, cfg.LocalPort)
}
psr.Plugin = cfg.Plugin
case *config.XtcpProxyConf:
if cfg.LocalPort != 0 {
psr.LocalAddr = fmt.Sprintf("%s:%d", cfg.LocalIp, cfg.LocalPort)
}
psr.Plugin = cfg.Plugin
}
return psr
}
// api/status
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func (svr *Service) apiStatus(w http.ResponseWriter, r *http.Request) {
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var (
buf []byte
res StatusResp
)
res.Tcp = make([]ProxyStatusResp, 0)
res.Udp = make([]ProxyStatusResp, 0)
res.Http = make([]ProxyStatusResp, 0)
res.Https = make([]ProxyStatusResp, 0)
res.Stcp = make([]ProxyStatusResp, 0)
res.Xtcp = make([]ProxyStatusResp, 0)
defer func() {
log.Info("Http response [/api/status]")
buf, _ = json.Marshal(&res)
w.Write(buf)
}()
log.Info("Http request: [/api/status]")
ps := svr.ctl.pm.GetAllProxyStatus()
for _, status := range ps {
switch status.Type {
case "tcp":
res.Tcp = append(res.Tcp, NewProxyStatusResp(status))
case "udp":
res.Udp = append(res.Udp, NewProxyStatusResp(status))
case "http":
res.Http = append(res.Http, NewProxyStatusResp(status))
case "https":
res.Https = append(res.Https, NewProxyStatusResp(status))
case "stcp":
res.Stcp = append(res.Stcp, NewProxyStatusResp(status))
case "xtcp":
res.Xtcp = append(res.Xtcp, NewProxyStatusResp(status))
}
}
sort.Sort(ByProxyStatusResp(res.Tcp))
sort.Sort(ByProxyStatusResp(res.Udp))
sort.Sort(ByProxyStatusResp(res.Http))
sort.Sort(ByProxyStatusResp(res.Https))
sort.Sort(ByProxyStatusResp(res.Stcp))
sort.Sort(ByProxyStatusResp(res.Xtcp))
return
}