fix: concurrent write to single WebSocket connection (#392)

.github/workflows/release.yml

@@ -108,3 +108,16 @@ jobs:
           curl -s https://purge.jsdelivr.net/gh/$LOWER_USERNAME/nezha@master/script/nezha-agent.service
           curl -s https://purge.jsdelivr.net/gh/$LOWER_USERNAME/nezha@master/script/docker-compose.yaml
           curl -s https://purge.jsdelivr.net/gh/$LOWER_USERNAME/nezha@master/script/config.yaml
+
+      - name: Trigger sync
+        if: ${{ env.SYNCED == 0 }}
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            await github.rest.actions.createWorkflowDispatch({
+            owner: 'naiba',
+            repo: 'nezha',
+            workflow_id: 'sync-release.yml',
+            ref: 'master'
+            })

.github/workflows/sync-release.yml

@@ -0,0 +1,16 @@
+name: Sync Release to Gitee
+
+on:
+  workflow_dispatch:
+    
+jobs:
+  sync-release-to-gitee:
+    runs-on: ubuntu-latest
+    env:
+      GITEE_TOKEN: ${{ secrets.GITEE_TOKEN }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Sync to Gitee
+        run: |
+          pip3 install PyGitHub
+          python3 .github/workflows/sync.py

.github/workflows/sync.py

@@ -0,0 +1,90 @@
+import os
+import time
+import requests
+import hashlib
+from github import Github
+
+
+def get_github_latest_release():
+    g = Github()
+    repo = g.get_repo("naiba/nezha")
+    release = repo.get_latest_release()
+    if release:
+        print(f"Latest release tag is: {release.tag_name}")
+        print(f"Latest release info is: {release.body}")
+        files = []
+        for asset in release.get_assets():
+            url = asset.browser_download_url
+            name = asset.name
+
+            response = requests.get(url)
+            if response.status_code == 200:
+                with open(name, 'wb') as f:
+                    f.write(response.content)
+                print(f"Downloaded {name}")
+            else:
+                print(f"Failed to download {name}")
+            file_abs_path = get_abs_path(asset.name)
+            files.append(file_abs_path)
+        sync_to_gitee(release.tag_name, release.body, files)
+    else:
+        print("No releases found.")
+
+
+def sync_to_gitee(tag: str, body: str, files: slice):
+    release_id = ""
+    owner = "naibahq"
+    repo = "nezha"
+    release_api_uri = f"https://gitee.com/api/v5/repos/{owner}/{repo}/releases"
+    api_client = requests.Session()
+    api_client.headers.update({
+        'Accept': 'application/json',
+        'Content-Type': 'application/json'
+    })
+
+    access_token = os.environ['GITEE_TOKEN']
+    release_data = {
+        'access_token': access_token,
+        'tag_name': tag,
+        'name': tag,
+        'body': body,
+        'prerelease': False,
+        'target_commitish': 'master'
+    }
+    release_api_response = api_client.post(release_api_uri, json=release_data)
+    if release_api_response.status_code == 201:
+        release_info = release_api_response.json()
+        release_id = release_info.get('id')
+    else:
+        print(
+            f"Request failed with status code {release_api_response.status_code}")
+
+    print(f"Gitee release id: {release_id}")
+    asset_api_uri = f"{release_api_uri}/{release_id}/attach_files"
+
+    for file_path in files:
+        files = {
+            'file': open(file_path, 'rb')
+        }
+
+        asset_api_response = requests.post(
+            asset_api_uri, params={'access_token': access_token}, files=files)
+
+        if asset_api_response.status_code == 201:
+            asset_info = asset_api_response.json()
+            asset_name = asset_info.get('name')
+            print(f"Successfully uploaded {asset_name}!")
+        else:
+            print(
+                f"Request failed with status code {asset_api_response.status_code}")
+
+    api_client.close()
+    print("Sync is completed!")
+
+
+def get_abs_path(path: str):
+    wd = os.getcwd()
+    return os.path.join(wd, path)
+
+
+get_github_latest_release()

README.md

@@ -4,7 +4,7 @@
   <br>
   <small><i>LOGO designed by <a href="https://xio.ng" target="_blank">熊大</a> .</i></small>
   <br><br>
-<img alt="GitHub release (with filter)" src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&style=for-the-badge&logo=github&label=Dashboard">&nbsp;<img src="https://img.shields.io/github/v/release/nezhahq/agent?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/actions/workflow/status/nezhahq/agent/agent.yml?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.17.0-brightgreen?style=for-the-badge&logo=linux">
+<img alt="GitHub release (with filter)" src="https://img.shields.io/github/v/release/naiba/nezha?color=brightgreen&style=for-the-badge&logo=github&label=Dashboard">&nbsp;<img src="https://img.shields.io/github/v/release/nezhahq/agent?color=brightgreen&label=Agent&style=for-the-badge&logo=github">&nbsp;<img src="https://img.shields.io/github/actions/workflow/status/nezhahq/agent/agent.yml?label=Agent%20CI&logo=github&style=for-the-badge">&nbsp;<img src="https://img.shields.io/badge/Installer-v0.18.1-brightgreen?style=for-the-badge&logo=linux">
   <br>
   <br>
   <p>:trollface: <b>Nezha Monitoring: Self-hostable, lightweight, servers and websites monitoring and O&M tool.</b></p>
@@ -43,8 +43,8 @@ You can change the dashboard language in the settings page (`/setting`) after th
 <!--GAMFC_DELIMITER--><a href="https://github.com/naiba" title="naiba"><img src="https://avatars.githubusercontent.com/u/29243953?v=4" width="50;" alt="naiba"/></a>
 <a href="https://github.com/AkkiaS7" title="Akkia"><img src="https://avatars.githubusercontent.com/u/68485070?v=4" width="50;" alt="Akkia"/></a>
 <a href="https://github.com/Erope" title="卖女孩的小火柴"><img src="https://avatars.githubusercontent.com/u/44471469?v=4" width="50;" alt="卖女孩的小火柴"/></a>
-<a href="https://github.com/dysf888" title="黑歌"><img src="https://avatars.githubusercontent.com/u/47450409?v=4" width="50;" alt="黑歌"/></a>
 <a href="https://github.com/uubulb" title="UUBulb"><img src="https://avatars.githubusercontent.com/u/35923940?v=4" width="50;" alt="UUBulb"/></a>
+<a href="https://github.com/dysf888" title="黑歌"><img src="https://avatars.githubusercontent.com/u/47450409?v=4" width="50;" alt="黑歌"/></a>
 <a href="https://github.com/nap0o" title="nap0o"><img src="https://avatars.githubusercontent.com/u/144927971?v=4" width="50;" alt="nap0o"/></a>
 <a href="https://github.com/xykt" title="xykt"><img src="https://avatars.githubusercontent.com/u/152045469?v=4" width="50;" alt="xykt"/></a>
 <a href="https://github.com/MikoyChinese" title="MikoyChinese"><img src="https://avatars.githubusercontent.com/u/22676744?v=4" width="50;" alt="MikoyChinese"/></a>

cmd/dashboard/controller/common_page.go

@@ -260,8 +260,8 @@ func (cp *commonPage) home(c *gin.Context) {
 }
 
 var upgrader = websocket.Upgrader{
-	ReadBufferSize:  1024,
+	ReadBufferSize:  10240,
-	WriteBufferSize: 1024,
+	WriteBufferSize: 10240,
 }
 
 type Data struct {
@@ -305,8 +305,8 @@ func (cp *commonPage) ws(c *gin.Context) {
 }
 
 func (cp *commonPage) terminal(c *gin.Context) {
-	terminalID := c.Param("id")
+	streamId := c.Param("id")
-	if _, err := rpc.NezhaHandlerSingleton.GetStream(terminalID); err != nil {
+	if _, err := rpc.NezhaHandlerSingleton.GetStream(streamId); err != nil {
 		mygin.ShowErrorPage(c, mygin.ErrInfo{
 			Code:  http.StatusForbidden,
 			Title: "无权访问",
@@ -316,7 +316,7 @@ func (cp *commonPage) terminal(c *gin.Context) {
 		}, true)
 		return
 	}
-	defer rpc.NezhaHandlerSingleton.CloseStream(terminalID)
+	defer rpc.NezhaHandlerSingleton.CloseStream(streamId)
 
 	wsConn, err := upgrader.Upgrade(c.Writer, c.Request, nil)
 	if err != nil {
@@ -344,11 +344,11 @@ func (cp *commonPage) terminal(c *gin.Context) {
 		}
 	}()
 
-	if err = rpc.NezhaHandlerSingleton.UserConnected(terminalID, conn); err != nil {
+	if err = rpc.NezhaHandlerSingleton.UserConnected(streamId, conn); err != nil {
 		return
 	}
 
-	rpc.NezhaHandlerSingleton.StartStream(terminalID, time.Second*10)
+	rpc.NezhaHandlerSingleton.StartStream(streamId, time.Second*10)
 }
 
 type createTerminalRequest struct {
@@ -380,7 +380,7 @@ func (cp *commonPage) createTerminal(c *gin.Context) {
 		return
 	}
 
-	id, err := uuid.GenerateUUID()
+	streamId, err := uuid.GenerateUUID()
 	if err != nil {
 		mygin.ShowErrorPage(c, mygin.ErrInfo{
 			Code: http.StatusInternalServerError,
@@ -394,7 +394,7 @@ func (cp *commonPage) createTerminal(c *gin.Context) {
 		return
 	}
 
-	rpc.NezhaHandlerSingleton.CreateStream(id)
+	rpc.NezhaHandlerSingleton.CreateStream(streamId)
 
 	singleton.ServerLock.RLock()
 	server := singleton.ServerList[createTerminalReq.ID]
@@ -411,7 +411,7 @@ func (cp *commonPage) createTerminal(c *gin.Context) {
 	}
 
 	terminalData, _ := utils.Json.Marshal(&model.TerminalTask{
-		StreamID: id,
+		StreamID: streamId,
 	})
 	if err := server.TaskStream.Send(&proto.Task{
 		Type: model.TaskTypeTerminalGRPC,
@@ -428,7 +428,7 @@ func (cp *commonPage) createTerminal(c *gin.Context) {
 	}
 
 	c.HTML(http.StatusOK, "dashboard-"+singleton.Conf.Site.DashboardTheme+"/terminal", mygin.CommonEnvironment(c, gin.H{
-		"SessionID":  id,
+		"SessionID":  streamId,
 		"ServerName": server.Name,
 	}))
 }

cmd/dashboard/controller/controller.go

@@ -1,6 +1,7 @@
 package controller
 
 import (
+	"encoding/json"
 	"fmt"
 	"html/template"
 	"io/fs"
@@ -14,16 +15,26 @@ import (
 	"code.cloudfoundry.org/bytefmt"
 	"github.com/gin-contrib/pprof"
 	"github.com/gin-gonic/gin"
+	"github.com/hashicorp/go-uuid"
 	"github.com/nicksnyder/go-i18n/v2/i18n"
 
+	"github.com/naiba/nezha/model"
 	"github.com/naiba/nezha/pkg/mygin"
+	"github.com/naiba/nezha/pkg/utils"
+	"github.com/naiba/nezha/proto"
 	"github.com/naiba/nezha/resource"
+	"github.com/naiba/nezha/service/rpc"
 	"github.com/naiba/nezha/service/singleton"
 )
 
 func ServeWeb(port uint) *http.Server {
 	gin.SetMode(gin.ReleaseMode)
 	r := gin.Default()
+	if singleton.Conf.Debug {
+		gin.SetMode(gin.DebugMode)
+		pprof.Register(r)
+	}
+	r.Use(natGateway)
 	tmpl := template.New("").Funcs(funcMap)
 	var err error
 	tmpl, err = tmpl.ParseFS(resource.TemplateFS, "template/**/*.html")
@@ -32,10 +43,6 @@ func ServeWeb(port uint) *http.Server {
 	}
 	tmpl = loadThirdPartyTemplates(tmpl)
 	r.SetHTMLTemplate(tmpl)
-	if singleton.Conf.Debug {
-		gin.SetMode(gin.DebugMode)
-		pprof.Register(r)
-	}
 	r.Use(mygin.RecordPath)
 	staticFs, err := fs.Sub(resource.StaticFS, "static")
 	if err != nil {
@@ -44,7 +51,6 @@ func ServeWeb(port uint) *http.Server {
 	r.StaticFS("/static", http.FS(staticFs))
 	r.Static("/static-custom", "resource/static/custom")
 	routers(r)
-
 	page404 := func(c *gin.Context) {
 		mygin.ShowErrorPage(c, mygin.ErrInfo{
 			Code:  http.StatusNotFound,
@@ -238,3 +244,64 @@ var funcMap = template.FuncMap{
 		return singleton.StatusCodeToString(singleton.GetStatusCode(val))
 	},
 }
+
+func natGateway(c *gin.Context) {
+	natConfig := singleton.GetNATConfigByDomain(c.Request.Host)
+	if natConfig == nil {
+		return
+	}
+
+	singleton.ServerLock.RLock()
+	server := singleton.ServerList[natConfig.ServerID]
+	singleton.ServerLock.RUnlock()
+	if server == nil || server.TaskStream == nil {
+		c.Writer.WriteString("server not found or not connected")
+		c.Abort()
+		return
+	}
+
+	streamId, err := uuid.GenerateUUID()
+	if err != nil {
+		c.Writer.WriteString(fmt.Sprintf("stream id error: %v", err))
+		c.Abort()
+		return
+	}
+
+	rpc.NezhaHandlerSingleton.CreateStream(streamId)
+	defer rpc.NezhaHandlerSingleton.CloseStream(streamId)
+
+	taskData, err := json.Marshal(model.TaskNAT{
+		StreamID: streamId,
+		Host:     natConfig.Host,
+	})
+	if err != nil {
+		c.Writer.WriteString(fmt.Sprintf("task data error: %v", err))
+		c.Abort()
+		return
+	}
+
+	if err := server.TaskStream.Send(&proto.Task{
+		Type: model.TaskTypeNAT,
+		Data: string(taskData),
+	}); err != nil {
+		c.Writer.WriteString(fmt.Sprintf("send task error: %v", err))
+		c.Abort()
+		return
+	}
+
+	w, err := utils.NewRequestWrapper(c.Request, c.Writer)
+	if err != nil {
+		c.Writer.WriteString(fmt.Sprintf("request wrapper error: %v", err))
+		c.Abort()
+		return
+	}
+
+	if err := rpc.NezhaHandlerSingleton.UserConnected(streamId, w); err != nil {
+		c.Writer.WriteString(fmt.Sprintf("user connected error: %v", err))
+		c.Abort()
+		return
+	}
+
+	rpc.NezhaHandlerSingleton.StartStream(streamId, time.Second*10)
+	c.Abort()
+}

cmd/dashboard/controller/member_api.go

@@ -45,6 +45,7 @@ func (ma *memberAPI) serve() {
 	mr.POST("/batch-update-server-group", ma.batchUpdateServerGroup)
 	mr.POST("/batch-delete-server", ma.batchDeleteServer)
 	mr.POST("/notification", ma.addOrEditNotification)
+	mr.POST("/nat", ma.addOrEditNAT)
 	mr.POST("/alert-rule", ma.addOrEditAlertRule)
 	mr.POST("/setting", ma.updateSetting)
 	mr.DELETE("/:model/:id", ma.delete)
@@ -209,6 +210,11 @@ func (ma *memberAPI) delete(c *gin.Context) {
 		if err == nil {
 			singleton.OnDeleteNotification(id)
 		}
+	case "nat":
+		err = singleton.DB.Unscoped().Delete(&model.NAT{}, "id = ?", id).Error
+		if err == nil {
+			singleton.OnNATUpdate()
+		}
 	case "monitor":
 		err = singleton.DB.Unscoped().Delete(&model.Monitor{}, "id = ?", id).Error
 		if err == nil {
@@ -733,6 +739,45 @@ func (ma *memberAPI) addOrEditNotification(c *gin.Context) {
 	})
 }
 
+type natForm struct {
+	ID       uint64
+	Name     string
+	ServerID uint64
+	Host     string
+	Domain   string
+}
+
+func (ma *memberAPI) addOrEditNAT(c *gin.Context) {
+	var nf natForm
+	var n model.NAT
+	err := c.ShouldBindJSON(&nf)
+	if err == nil {
+		n.Name = nf.Name
+		n.ID = nf.ID
+		n.Domain = nf.Domain
+		n.Host = nf.Host
+		n.ServerID = nf.ServerID
+	}
+	if err == nil {
+		if n.ID == 0 {
+			err = singleton.DB.Create(&n).Error
+		} else {
+			err = singleton.DB.Save(&n).Error
+		}
+	}
+	if err != nil {
+		c.JSON(http.StatusOK, model.Response{
+			Code:    http.StatusBadRequest,
+			Message: fmt.Sprintf("请求错误：%s", err),
+		})
+		return
+	}
+	singleton.OnNATUpdate()
+	c.JSON(http.StatusOK, model.Response{
+		Code: http.StatusOK,
+	})
+}
+
 type alertRuleForm struct {
 	ID                     uint64
 	Name                   string

cmd/dashboard/controller/member_page.go

@@ -27,6 +27,7 @@ func (mp *memberPage) serve() {
 	mr.GET("/monitor", mp.monitor)
 	mr.GET("/cron", mp.cron)
 	mr.GET("/notification", mp.notification)
+	mr.GET("/nat", mp.nat)
 	mr.GET("/setting", mp.setting)
 	mr.GET("/api", mp.api)
 }
@@ -77,6 +78,15 @@ func (mp *memberPage) notification(c *gin.Context) {
 	}))
 }
 
+func (mp *memberPage) nat(c *gin.Context) {
+	var data []model.NAT
+	singleton.DB.Find(&data)
+	c.HTML(http.StatusOK, "dashboard-"+singleton.Conf.Site.DashboardTheme+"/nat", mygin.CommonEnvironment(c, gin.H{
+		"Title": singleton.Localizer.MustLocalize(&i18n.LocalizeConfig{MessageID: "NAT"}),
+		"NAT":   data,
+	}))
+}
+
 func (mp *memberPage) setting(c *gin.Context) {
 	c.HTML(http.StatusOK, "dashboard-"+singleton.Conf.Site.DashboardTheme+"/setting", mygin.CommonEnvironment(c, gin.H{
 		"Title":           singleton.Localizer.MustLocalize(&i18n.LocalizeConfig{MessageID: "Settings"}),

model/monitor.go

@@ -21,12 +21,18 @@ const (
 	TaskTypeUpgrade
 	TaskTypeKeepalive
 	TaskTypeTerminalGRPC
+	TaskTypeNAT
 )
 
 type TerminalTask struct {
 	StreamID string
 }
 
+type TaskNAT struct {
+	StreamID string
+	Host     string
+}
+
 const (
 	MonitorCoverAll = iota
 	MonitorCoverIgnoreAll
@@ -114,7 +120,7 @@ func (m *Monitor) AfterFind(tx *gorm.DB) error {
 
 // IsServiceSentinelNeeded 判断该任务类型是否需要进行服务监控 需要则返回true
 func IsServiceSentinelNeeded(t uint64) bool {
-	return t != TaskTypeCommand && t != TaskTypeTerminal && t != TaskTypeUpgrade
+	return t != TaskTypeCommand && t != TaskTypeTerminalGRPC && t != TaskTypeUpgrade
 }
 
 func (m *Monitor) InitSkipServers() error {

model/nat.go

@@ -0,0 +1,9 @@
+package model
+
+type NAT struct {
+	Common
+	Name     string
+	ServerID uint64
+	Host     string
+	Domain   string `gorm:"unique"`
+}

pkg/mygin/mygin.go

@@ -16,6 +16,7 @@ var adminPage = map[string]bool{
 	"/monitor":      true,
 	"/setting":      true,
 	"/notification": true,
+	"/nat":          true,
 	"/cron":         true,
 	"/api":          true,
 }

pkg/utils/request_wrapper.go

@@ -0,0 +1,56 @@
+package utils
+
+import (
+	"bytes"
+	"io"
+	"net"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+var _ io.ReadWriteCloser = &RequestWrapper{}
+
+type RequestWrapper struct {
+	req    *http.Request
+	reader *bytes.Buffer
+	writer net.Conn
+}
+
+func NewRequestWrapper(req *http.Request, writer gin.ResponseWriter) (*RequestWrapper, error) {
+	conn, _, err := writer.Hijack()
+	if err != nil {
+		return nil, err
+	}
+	buf := bytes.NewBuffer(nil)
+	if err = req.Write(buf); err != nil {
+		return nil, err
+	}
+	return &RequestWrapper{
+		req:    req,
+		reader: buf,
+		writer: conn,
+	}, nil
+}
+
+func (rw *RequestWrapper) Read(p []byte) (int, error) {
+	count, err := rw.reader.Read(p)
+	if err == nil {
+		return count, nil
+	}
+	if err != io.EOF {
+		return count, err
+	}
+	// request 数据读完之后等待客户端断开连接或 grpc 超时
+	return rw.writer.Read(p)
+}
+
+func (rw *RequestWrapper) Write(p []byte) (int, error) {
+	return rw.writer.Write(p)
+}
+
+func (rw *RequestWrapper) Close() error {
+	rw.req.Body.Close()
+	rw.writer.Close()
+	return nil
+}

pkg/websocketx/safe_conn.go

@@ -1,11 +1,14 @@
 package websocketx
 
 import (
+	"io"
 	"sync"
 
 	"github.com/gorilla/websocket"
 )
 
+var _ io.ReadWriteCloser = &Conn{}
+
 type Conn struct {
 	*websocket.Conn
 	writeLock *sync.Mutex
@@ -25,6 +28,12 @@ func (conn *Conn) Write(data []byte) (int, error) {
 	return len(data), nil
 }
 
+func (conn *Conn) WriteMessage(messageType int, data []byte) error {
+	conn.writeLock.Lock()
+	defer conn.writeLock.Unlock()
+	return conn.Conn.WriteMessage(messageType, data)
+}
+
 func (conn *Conn) Read(data []byte) (int, error) {
 	if len(conn.dataBuf) > 0 {
 		n := copy(data, conn.dataBuf)

resource/l10n/en-US.toml

@@ -648,3 +648,6 @@ other = "Disable Switch Template in Frontend"
 
 [ServersOnWorldMap]
 other = "Servers On World Map"
+
+[NAT]
+other = "NAT"

resource/l10n/es-ES.toml

@@ -648,3 +648,6 @@ other = "Deshabilitar Cambio de Plantilla en Frontend"
 
 [ServersOnWorldMap]
 other = "Servidores en el mapa mundial"
+
+[NAT]
+other = "NAT"

resource/l10n/zh-CN.toml

@@ -648,3 +648,6 @@ other = "禁止前台切换模板"
 
 [ServersOnWorldMap]
 other = "服务器世界分布图"
+
+[NAT]
+other = "内网穿透"

resource/l10n/zh-TW.toml

@@ -648,3 +648,6 @@ other = "禁止前台切換主題"
 
 [ServersOnWorldMap]
 other = "伺服器世界分布圖"
+
+[NAT]
+other = "NAT"

resource/static/main.js

@@ -91,6 +91,7 @@ function showFormModal(modelSelector, formID, URL, getData) {
                 item.name.endsWith("_id") ||
                 item.name === "id" ||
                 item.name === "ID" ||
+                item.name === "ServerID" ||
                 item.name === "RequestType" ||
                 item.name === "RequestMethod" ||
                 item.name === "TriggerMode" ||
@@ -255,6 +256,28 @@ function addOrEditNotification(notification) {
   );
 }
 
+function addOrEditNAT(nat) {
+  const modal = $(".nat.modal");
+  modal.children(".header").text((nat ? LANG.Edit : LANG.Add));
+  modal
+    .find(".nezha-primary-btn.button")
+    .html(
+      nat
+        ? LANG.Edit + '<i class="edit icon"></i>'
+        : LANG.Add + '<i class="add icon"></i>'
+    );
+  modal.find("input[name=ID]").val(nat ? nat.ID : null);
+  modal.find("input[name=ServerID]").val(nat ? nat.ServerID : null);
+  modal.find("input[name=Name]").val(nat ? nat.Name : null);
+  modal.find("input[name=Host]").val(nat ? nat.Host : null);
+  modal.find("input[name=Domain]").val(nat ? nat.Domain : null);
+  showFormModal(
+    ".nat.modal",
+    "#natForm",
+    "/api/nat"
+  );
+}
+
 function connectToServer(id) {
   post('/terminal', { Host: window.location.host, Protocol: window.location.protocol, ID: id })
 }

resource/template/common/footer.html

@@ -10,7 +10,7 @@
 <script src="https://unpkg.com/[email protected]/dist/semantic.min.js"></script>
 <script src="/static/semantic-ui-alerts.min.js"></script>
 <script src="https://unpkg.com/[email protected]/dist/vue.min.js"></script>
-<script src="/static/main.js?v20240330"></script>
+<script src="/static/main.js?v20240714"></script>
 <script>
     (function () {
         updateLang({{.LANG }});

resource/template/common/menu.html

@@ -9,6 +9,7 @@
         <a class='item{{if eq .MatchedPath "/monitor"}} active{{end}}' href="/monitor"><i class="rss icon"></i>{{tr "Services"}}</a>
         <a class='item{{if eq .MatchedPath "/cron"}} active{{end}}' href="/cron"><i class="clock icon"></i>{{tr "Task"}}</a>
         <a class='item{{if eq .MatchedPath "/notification"}} active{{end}}' href="/notification"><i class="bell icon"></i>{{tr "Notification"}}</a>
+        <a class='item{{if eq .MatchedPath "/nat"}} active{{end}}' href="/nat"><i class="exchange icon"></i>{{tr "NAT"}}</a>
         <a class='item{{if eq .MatchedPath "/setting"}} active{{end}}' href="/setting">
             <i class="settings icon"></i>{{tr "Settings"}}
         </a>

resource/template/component/nat.html

@@ -0,0 +1,31 @@
+{{define "component/nat"}}
+<div class="ui tiny nat modal transition hidden">
+    <div class="header">Add</div>
+    <div class="content">
+        <form id="natForm" class="ui form">
+            <input type="hidden" name="ID">
+            <div class="field">
+                <label>{{tr "Name"}}</label>
+                <input type="text" name="Name">
+            </div>
+            <div class="field">
+                <label>Agent ID</label>
+                <input type="number" name="ServerID" placeholder="1">
+            </div>
+            <div class="field">
+                <label>内网服务</label>
+                <input type="text" name="Host" placeholder="192.168.1.1:80(带端口)">
+            </div>
+            <div class="field">
+                <label>绑定域名</label>
+                <input type="text" name="Domain" placeholder="router.app.yourdomain.com">
+            </div>
+        </form>
+    </div>
+    <div class="actions">
+        <div class="ui negative button">{{tr "Cancel"}}</div>
+        <button class="ui positive nezha-primary-btn right labeled icon button">{{tr "Confirm"}}<i class="checkmark icon"></i>
+        </button>
+    </div>
+</div>
+{{end}}

resource/template/dashboard-default/nat.html

@@ -0,0 +1,54 @@
+{{define "dashboard-default/nat"}}
+{{template "common/header" .}}
+{{template "common/menu" .}}
+<div class="nb-container">
+    <div class="ui container">
+        <div class="ui grid">
+            <div class="right floated right aligned twelve wide column">
+                <button class="ui right labeled nezha-primary-btn icon button" onclick="addOrEditNAT()"><i
+                        class="add icon"></i> Add
+                </button>
+            </div>
+        </div>
+        <table class="ui very basic table">
+            <thead>
+                <tr>
+                    <th>ID</th>
+                    <th>{{tr "Name"}}</th>
+                    <th>Agent ID</th>
+                    <th>内网服务</th>
+                    <th>绑定域名</th>
+                    <th>{{tr "Administration"}}</th>
+                </tr>
+            </thead>
+            <tbody>
+                {{range $item := .NAT}}
+                <tr>
+                    <td>{{$item.ID}}</td>
+                    <td>{{$item.Name}}</td>
+                    <td>{{$item.ServerID}}</td>
+                    <td>{{$item.Host}}</td>
+                    <td>{{$item.Domain}}</td>
+                    <td>
+                        <div class="ui mini icon buttons">
+                            <button class="ui button" onclick="addOrEditNAT({{$item}})">
+                                <i class="edit icon"></i>
+                            </button>
+                            <button class="ui button"
+                                onclick="showConfirm('确定删除NAT隧道？','确认删除',deleteRequest,'/api/nat/'+{{$item.ID}})">
+                                <i class="trash alternate outline icon"></i>
+                            </button>
+                        </div>
+                    </td>
+                </tr>
+                {{end}}
+            </tbody>
+        </table>
+    </div>
+</div>
+{{template "component/nat"}}
+{{template "common/footer" .}}
+<script>
+    $('.checkbox').checkbox()
+</script>
+{{end}}

script/install.sh

@@ -12,7 +12,7 @@ NZ_DASHBOARD_PATH="${NZ_BASE_PATH}/dashboard"
 NZ_AGENT_PATH="${NZ_BASE_PATH}/agent"
 NZ_DASHBOARD_SERVICE="/etc/systemd/system/nezha-dashboard.service"
 NZ_DASHBOARD_SERVICERC="/etc/init.d/nezha-dashboard"
-NZ_VERSION="v0.17.1"
+NZ_VERSION="v0.18.1"
 
 red='\033[0;31m'
 green='\033[0;32m'
@@ -556,6 +556,17 @@ restart_and_update_docker() {
 }
 
 restart_and_update_standalone() {
+    local version=$(curl -m 10 -sL "https://api.github.com/repos/naiba/nezha/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
+    if [ ! -n "$version" ]; then
+        version=$(curl -m 10 -sL "https://gitee.com/api/v5/repos/naibahq/nezha/releases/latest" | awk -F '"' '{for(i=1;i<=NF;i++){if($i=="tag_name"){print $(i+2)}}}')
+    fi
+    if [ ! -n "$version" ]; then
+        version=$(curl -m 10 -sL "https://fastly.jsdelivr.net/gh/naiba/nezha/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/naiba\/nezha@/v/g')
+    fi
+    if [ ! -n "$version" ]; then
+        version=$(curl -m 10 -sL "https://gcore.jsdelivr.net/gh/naiba/nezha/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/naiba\/nezha@/v/g')
+    fi
+
     if [ "$os_alpine" != 1 ]; then
         sudo systemctl daemon-reload
         sudo systemctl stop nezha-dashboard
@@ -563,7 +574,20 @@ restart_and_update_standalone() {
         sudo rc-service nezha-dashboard stop
     fi
 
-    sudo wget -qO $NZ_DASHBOARD_PATH/app.zip https://${GITHUB_URL}/naiba/nezha/releases/latest/download/dashboard-linux-$os_arch.zip >/dev/null 2>&1 && sudo unzip -qq $NZ_DASHBOARD_PATH/app.zip -d $NZ_DASHBOARD_PATH && sudo mv $NZ_DASHBOARD_PATH/dist/dashboard-linux-$os_arch $NZ_DASHBOARD_PATH/app && sudo rm -r $NZ_DASHBOARD_PATH/app.zip $NZ_DASHBOARD_PATH/dist
+    if [ ! -n "$version" ]; then
+        err "获取版本号失败，请检查本机能否链接 https://api.github.com/repos/naiba/nezha/releases/latest"
+        return 1
+    else
+        echo "当前最新版本为: ${version}"
+    fi
+
+    if [ -z "$CN" ]; then
+        NZ_DASHBOARD_URL="https://${GITHUB_URL}/naiba/nezha/releases/download/$version/dashboard-linux-$os_arch.zip"
+    else
+        NZ_DASHBOARD_URL="https://${GITHUB_URL}/naibahq/nezha/releases/download/$version/dashboard-linux-$os_arch.zip"
+    fi
+
+    sudo wget -qO $NZ_DASHBOARD_PATH/app.zip $NZ_DASHBOARD_URL >/dev/null 2>&1 && sudo unzip -qq $NZ_DASHBOARD_PATH/app.zip -d $NZ_DASHBOARD_PATH && sudo mv $NZ_DASHBOARD_PATH/dist/dashboard-linux-$os_arch $NZ_DASHBOARD_PATH/app && sudo rm -r $NZ_DASHBOARD_PATH/app.zip $NZ_DASHBOARD_PATH/dist
 
     if [ "$os_alpine" != 1 ]; then
         sudo systemctl enable nezha-dashboard

script/install_en.sh

@@ -12,7 +12,7 @@ NZ_DASHBOARD_PATH="${NZ_BASE_PATH}/dashboard"
 NZ_AGENT_PATH="${NZ_BASE_PATH}/agent"
 NZ_DASHBOARD_SERVICE="/etc/systemd/system/nezha-dashboard.service"
 NZ_DASHBOARD_SERVICERC="/etc/init.d/nezha-dashboard"
-NZ_VERSION="v0.17.1"
+NZ_VERSION="v0.18.1"
 
 red='\033[0;31m'
 green='\033[0;32m'
@@ -550,6 +550,24 @@ restart_and_update_docker() {
 }
 
 restart_and_update_standalone() {
+    local version=$(curl -m 10 -sL "https://api.github.com/repos/naiba/nezha/releases/latest" | grep "tag_name" | head -n 1 | awk -F ":" '{print $2}' | sed 's/\"//g;s/,//g;s/ //g')
+    if [ ! -n "$version" ]; then
+        version=$(curl -m 10 -sL "https://gitee.com/api/v5/repos/naibahq/nezha/releases/latest" | awk -F '"' '{for(i=1;i<=NF;i++){if($i=="tag_name"){print $(i+2)}}}')
+    fi
+    if [ ! -n "$version" ]; then
+        version=$(curl -m 10 -sL "https://fastly.jsdelivr.net/gh/naiba/nezha/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/naiba\/nezha@/v/g')
+    fi
+    if [ ! -n "$version" ]; then
+        version=$(curl -m 10 -sL "https://gcore.jsdelivr.net/gh/naiba/nezha/" | grep "option\.value" | awk -F "'" '{print $2}' | sed 's/naiba\/nezha@/v/g')
+    fi
+
+    if [ ! -n "$version" ]; then
+        err "Fail to obtaine agent version, please check if the network can link https://api.github.com/repos/nezhahq/agent/releases/latest"
+        return 1
+    else
+        echo "The current latest version is: ${version}"
+    fi
+
     if [ "$os_alpine" != 1 ]; then
         sudo systemctl daemon-reload
         sudo systemctl stop nezha-dashboard
@@ -557,7 +575,13 @@ restart_and_update_standalone() {
         sudo rc-service nezha-dashboard stop
     fi
 
-    sudo wget -qO $NZ_DASHBOARD_PATH/app.zip https://${GITHUB_URL}/naiba/nezha/releases/latest/download/dashboard-linux-$os_arch.zip >/dev/null 2>&1 && sudo unzip -qq $NZ_DASHBOARD_PATH/app.zip -d $NZ_DASHBOARD_PATH && sudo mv $NZ_DASHBOARD_PATH/dist/dashboard-linux-$os_arch $NZ_DASHBOARD_PATH/app && sudo rm -r $NZ_DASHBOARD_PATH/app.zip $NZ_DASHBOARD_PATH/dist
+    if [ -z "$CN" ]; then
+        NZ_DASHBOARD_URL="https://${GITHUB_URL}/naiba/nezha/releases/download/$version/dashboard-linux-$os_arch.zip"
+    else
+        NZ_DASHBOARD_URL="https://${GITHUB_URL}/naibahq/nezha/releases/download/$version/dashboard-linux-$os_arch.zip"
+    fi
+
+    sudo wget -qO $NZ_DASHBOARD_PATH/app.zip $NZ_DASHBOARD_URL >/dev/null 2>&1 && sudo unzip -qq $NZ_DASHBOARD_PATH/app.zip -d $NZ_DASHBOARD_PATH && sudo mv $NZ_DASHBOARD_PATH/dist/dashboard-linux-$os_arch $NZ_DASHBOARD_PATH/app && sudo rm -r $NZ_DASHBOARD_PATH/app.zip $NZ_DASHBOARD_PATH/dist
 
     if [ "$os_alpine" != 1 ]; then
         sudo systemctl enable nezha-dashboard

service/rpc/io_stream.go

@@ -136,6 +136,5 @@ LOOP:
 	}()
 
 	<-endCh
-
 	return err
 }

service/singleton/api.go

@@ -15,8 +15,6 @@ var (
 
 	ServerAPI  = &ServerAPIService{}
 	MonitorAPI = &MonitorAPIService{}
-
-	once = &sync.Once{}
 )
 
 type ServerAPIService struct{}
@@ -78,7 +76,7 @@ func InitAPI() {
 	UserIDToApiTokenList = make(map[uint64][]string)
 }
 
-func LoadAPI() {
+func loadAPI() {
 	InitAPI()
 	var tokenList []*model.ApiToken
 	DB.Find(&tokenList)

service/singleton/crontask.go

@@ -24,8 +24,8 @@ func InitCronTask() {
 	Crons = make(map[uint64]*model.Cron)
 }
 
-// LoadCronTasks 加载计划任务
+// loadCronTasks 加载计划任务
-func LoadCronTasks() {
+func loadCronTasks() {
 	InitCronTask()
 	var crons []model.Cron
 	DB.Find(&crons)

service/singleton/nat.go

@@ -0,0 +1,31 @@
+package singleton
+
+import (
+	"sync"
+
+	"github.com/naiba/nezha/model"
+)
+
+var natCache = make(map[string]*model.NAT)
+var natCacheRwLock = new(sync.RWMutex)
+
+func initNAT() {
+	OnNATUpdate()
+}
+
+func OnNATUpdate() {
+	natCacheRwLock.Lock()
+	defer natCacheRwLock.Unlock()
+	var nats []*model.NAT
+	DB.Find(&nats)
+	natCache = make(map[string]*model.NAT)
+	for i := 0; i < len(nats); i++ {
+		natCache[nats[i].Domain] = nats[i]
+	}
+}
+
+func GetNATConfigByDomain(domain string) *model.NAT {
+	natCacheRwLock.RLock()
+	defer natCacheRwLock.RUnlock()
+	return natCache[domain]
+}

service/singleton/notification.go

@@ -24,8 +24,8 @@ func InitNotification() {
 	NotificationIDToTag = make(map[uint64]string)
 }
 
-// LoadNotifications 从 DB 初始化通知方式相关参数
+// loadNotifications 从 DB 初始化通知方式相关参数
-func LoadNotifications() {
+func loadNotifications() {
 	InitNotification()
 	notificationsLock.Lock()
 	defer notificationsLock.Unlock()

service/singleton/server.go

@@ -25,8 +25,8 @@ func InitServer() {
 	ServerTagToIDList = make(map[string][]uint64)
 }
 
-// LoadServers 加载服务器列表并根据ID排序
+// loadServers 加载服务器列表并根据ID排序
-func LoadServers() {
+func loadServers() {
 	InitServer()
 	var servers []model.Server
 	DB.Find(&servers)

service/singleton/singleton.go

@@ -34,10 +34,11 @@ func InitTimezoneAndCache() {
 
 // LoadSingleton 加载子服务并执行
 func LoadSingleton() {
-	LoadNotifications() // 加载通知服务
+	loadNotifications() // 加载通知服务
-	LoadServers()       // 加载服务器列表
+	loadServers()       // 加载服务器列表
-	LoadCronTasks()     // 加载定时任务
+	loadCronTasks()     // 加载定时任务
-	LoadAPI()
+	loadAPI()
+	initNAT()
 }
 
 // InitConfigFromPath 从给出的文件路径中加载配置
@@ -47,11 +48,11 @@ func InitConfigFromPath(path string) {
 	if err != nil {
 		panic(err)
 	}
-	ValidateConfig()
+	validateConfig()
 }
 
-// ValidateConfig 验证配置文件有效性
+// validateConfig 验证配置文件有效性
-func ValidateConfig() {
+func validateConfig() {
 	var err error
 	if Conf.DDNS.Provider == "" {
 		err = ValidateDDNSProvidersFromProfiles()
@@ -82,7 +83,8 @@ func InitDBFromPath(path string) {
 	}
 	err = DB.AutoMigrate(model.Server{}, model.User{},
 		model.Notification{}, model.AlertRule{}, model.Monitor{},
-		model.MonitorHistory{}, model.Cron{}, model.Transfer{}, model.ApiToken{})
+		model.MonitorHistory{}, model.Cron{}, model.Transfer{},
+		model.ApiToken{}, model.NAT{})
 	if err != nil {
 		panic(err)
 	}