🆕新增离线客户端监听并且发送通知

cron/cron.go

@@ -1 +1,20 @@
 package cron
+
+import (
+	"gitee.ltd/lxh/logger/log"
+	"github.com/go-co-op/gocron/v2"
+	"time"
+	"wireguard-ui/cron/task"
+)
+
+func Task() {
+	sch, err := gocron.NewScheduler(gocron.WithLocation(time.Local))
+	if err != nil {
+		log.Errorf("初始化定时任务失败")
+		return
+	}
+
+	_, _ = sch.NewJob(gocron.DurationJob(3*time.Minute), gocron.NewTask(task.NetworkClient().ClientOfflineNotify())) // 每三分钟检测离线的客户端并且发送消息
+
+	sch.Start()
+}

cron/task/client.go

@@ -0,0 +1,95 @@
+package task
+
+import (
+	"fmt"
+	"gitee.ltd/lxh/logger/log"
+	jsoniter "github.com/json-iterator/go"
+	"golang.org/x/exp/slices"
+	"strings"
+	"time"
+	"wireguard-ui/component"
+	"wireguard-ui/global/client"
+	"wireguard-ui/model"
+	"wireguard-ui/service"
+	"wireguard-ui/utils"
+)
+
+type NetworkClientImpl interface {
+	ClientOfflineNotify() error // 客户端离线通知
+}
+
+type networkClient struct{}
+
+func NetworkClient() NetworkClientImpl {
+	return networkClient{}
+}
+
+// ClientOfflineNotify
+// @description: 客户端离线通知
+// @receiver c
+// @return error
+func (c networkClient) ClientOfflineNotify() error {
+	// 查询出所有配置了离线通知的客户端
+	var clients []model.Client
+	if err := client.DB.Where("offline_monitoring = ?", 1).Find(&clients).Error; err != nil {
+		return err
+	}
+
+	if len(clients) <= 0 {
+		return nil
+	}
+
+	// 开始扫描已经链接过的客户端
+	connectedPeers, err := component.Wireguard().GetClients()
+	if err != nil {
+		log.Errorf("获取已连接客户端失败: %v", err.Error())
+		return err
+	}
+
+	// 查询一下通知配置
+	code, err := service.Setting().GetByCode("WECHAT_NOTIFY")
+	if err != nil {
+		return err
+	}
+
+	for _, peer := range connectedPeers {
+		var clientName string
+		if !slices.ContainsFunc(clients, func(cli model.Client) bool {
+			isExist := peer.PublicKey.String() == jsoniter.Get([]byte(cli.Keys), "PublicKey").ToString()
+			if isExist {
+				clientName = cli.Name
+			}
+			return isExist
+		}) {
+			continue
+		}
+
+		// 如果存在,判断离线时间
+		if time.Since(peer.LastHandshakeTime) < 3 {
+			var ipAllocation string
+			for _, iaip := range peer.AllowedIPs {
+				ipAllocation += iaip.String() + ","
+			}
+			// 去除一下最右边的逗号
+			if len(ipAllocation) > 0 {
+				ipAllocation = strings.TrimRight(ipAllocation, ",")
+			}
+
+			// 已经离线,发送通知
+			msg := fmt.Sprintf(`
+					[离线通知]
+				客户端名称	: %v
+				客户端IP		: %v
+				最后在线时间	: %v
+			`, clientName, ipAllocation, peer.LastHandshakeTime.Format("2006-01-02 15:04:05"))
+			err := utils.WechatNotify(code).SendTextMessage(msg)
+			if err != nil {
+				log.Errorf("微信消息[%v]通知失败: %v", msg, err.Error())
+				continue
+			}
+		}
+
+	}
+
+	return nil
+}

go.mod

@@ -44,6 +44,7 @@ require (
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/glebarez/go-sqlite v1.21.2 // indirect
+	github.com/go-co-op/gocron/v2 v2.12.4 // indirect
 	github.com/go-kit/kit v0.12.0 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
 	github.com/go-logfmt/logfmt v0.5.1 // indirect
@@ -61,6 +62,7 @@ require (
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/jonboulle/clockwork v0.4.0 // indirect
 	github.com/josharian/native v1.1.0 // indirect
 	github.com/jpillora/backoff v1.0.0 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
@@ -85,6 +87,7 @@ require (
 	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/prometheus/prometheus v1.8.2-0.20201028100903-3245b3267b24 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
@@ -97,7 +100,7 @@ require (
 	go.uber.org/multierr v1.9.0 // indirect
 	go.uber.org/zap v1.23.0 // indirect
 	golang.org/x/arch v0.8.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
+	golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8 // indirect
 	golang.org/x/image v0.18.0 // indirect
 	golang.org/x/net v0.25.0 // indirect
 	golang.org/x/oauth2 v0.18.0 // indirect

go.sum

@@ -224,6 +224,8 @@ github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/glycerine/go-unsnap-stream v0.0.0-20180323001048-9f0cb55181dd/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
 github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
+github.com/go-co-op/gocron/v2 v2.12.4 h1:h1HWApo3T+61UrZqEY2qG1LUpDnB7tkYITxf6YIK354=
+github.com/go-co-op/gocron/v2 v2.12.4/go.mod h1:xY7bJxGazKam1cz04EebrlP4S9q4iWdiAylMGP3jY9w=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -508,6 +510,8 @@ github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHW
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
+github.com/jonboulle/clockwork v0.4.0 h1:p4Cf1aMWXnXAUh8lVfewRBx1zaTSYKrKMF2g3ST4RZ4=
+github.com/jonboulle/clockwork v0.4.0/go.mod h1:xgRqUGwRcjKCO1vbZUEtSLrqKoPSsUpK7fnezOII0kc=
 github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible h1:jdpOPRN1zP63Td1hDQbZW73xKmzDvZHzVdNYxhnTMDA=
 github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible/go.mod h1:1c7szIrayyPPB/987hsnvNzLushdWf4o/79s3P08L8A=
 github.com/josharian/native v1.1.0 h1:uuaP0hAbW7Y4l0ZRQ6C9zfb7Mg1mbFKry/xzDAfmtLA=
@@ -751,6 +755,8 @@ github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qq
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/retailnext/hllpp v1.0.1-0.20180308014038-101a6d2f8b52/go.mod h1:RDpi1RftBQPUCDRw6SmxeaREsAaRKnOclghuzp/WRzc=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
@@ -924,6 +930,8 @@ golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EH
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
 golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
+golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8 h1:yixxcjnhBmY0nkL253HFVIm0JsFHwrHdT3Yh6szTnfY=
+golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8/go.mod h1:jj3sYF3dwk5D+ghuXyeI3r5MFf+NT2An6/9dOA95KSI=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=

main.go

@@ -10,6 +10,7 @@ import (
 	"os"
 	"time"
 	"wireguard-ui/config"
+	"wireguard-ui/cron"
 	"wireguard-ui/http/router"
 	"wireguard-ui/initialize"
 	"wireguard-ui/script"
@@ -20,6 +21,9 @@ func init() {
 	if err := script.New().Do(); err != nil {
 		log.Errorf("执行脚本失败: %v", err.Error())
 	}
+
+	// 启动定时任务
+	go cron.Task()
 }
 
 func main() {

utils/wechat_notify.go

@@ -0,0 +1,57 @@
+package utils
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"gitee.ltd/lxh/logger/log"
+	jsoniter "github.com/json-iterator/go"
+	"wireguard-ui/global/client"
+	"wireguard-ui/model"
+)
+
+// wxid_472vas3av5ug22  /api/sendTextMsg
+type wechatNotify struct {
+	Addr     string
+	Path     string
+	Method   string
+	toUserId string
+}
+
+func WechatNotify(setting *model.Setting) wechatNotify {
+	var sm = make(map[string]string)
+	_ = json.Unmarshal([]byte(setting.Data), &sm)
+
+	return wechatNotify{
+		Addr:     sm["addr"],
+		Path:     sm["path"],
+		Method:   sm["method"],
+		toUserId: sm["toUserId"],
+	}
+}
+
+// SendTextMessage
+// @description: 发送文字通知
+// @receiver website
+// @param msg
+// @return error
+func (w wechatNotify) SendTextMessage(msg string) error {
+	req := client.HttpClient.R()
+
+	req.SetHeader("Content-Type", "application/json")
+	req.SetBody(map[string]string{
+		"wxid": w.toUserId,
+		"msg":  msg,
+	})
+	result, err := req.Post(fmt.Sprintf("%s:%s", w.Addr, w.Path))
+	if err != nil {
+		return err
+	}
+
+	if jsoniter.Get(result.Body(), "code").ToInt() != 1 {
+		log.Errorf("发送通知到微信失败: %v", jsoniter.Get(result.Body(), "msg").ToString())
+		return errors.New("发送通知到微信失败")
+	}
+
+	return nil
+}