Merge branch 'ConnectedPeers'

Dockerfile

@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.14.2-alpine3.11 as builder
+FROM golang:1.16.7-alpine3.14 as builder
 LABEL maintainer="Khanh Ngo <k@ndk.name"
 ARG BUILD_DEPENDENCIES="npm \
     yarn"

README.md

@@ -21,6 +21,13 @@ You can take a look at this example of [docker-compose.yml](https://github.com/n
 ```
 docker-compose up
 ```
+
+Note:
+
+There is a Status option that needs docker to be able to access the network of the host in order to read the 
+wireguard interface stats. See the `cap_add` and `network_mode` options on the docker-compose.yaml
+
+
 ### Environment Variables
 
 

docker-compose.yaml

@@ -5,13 +5,14 @@ services:
     build: .
     #image: ngoduykhanh/wireguard-ui:latest
     container_name: wgui
+    cap_add:
+      - NET_ADMIN
+    network_mode: host
     environment:
       - SENDGRID_API_KEY
       - EMAIL_FROM
       - EMAIL_FROM_NAME
       - SESSION_SECRET
-    ports:
-      - 5000:5000
     logging:
       driver: json-file
       options:

go.mod

@@ -17,7 +17,8 @@ require (
 	github.com/sendgrid/rest v2.6.4+incompatible // indirect
 	github.com/sendgrid/sendgrid-go v3.10.0+incompatible
 	github.com/skip2/go-qrcode v0.0.0-20191027152451-9434209cb086
-	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20200324154536-ceff61240acf
+	golang.zx2c4.com/wireguard v0.0.20200121 // indirect
+	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20210803171230-4253848d036c
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 	gopkg.in/go-playground/validator.v9 v9.31.0
 )

go.sum

@@ -35,8 +35,11 @@ github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
@@ -48,8 +51,16 @@ github.com/gorilla/sessions v1.2.0/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/z
 github.com/jcelliott/lumber v0.0.0-20160324203708-dd349441af25 h1:EFT6MH3igZK/dIVqgGbTqWVvkZ7wJ5iGN03SVtvvdd8=
 github.com/jcelliott/lumber v0.0.0-20160324203708-dd349441af25/go.mod h1:sWkGw/wsaHtRsT9zGQ/WyJCotGWG/Anow/9hsAcBWRw=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
+github.com/josharian/native v0.0.0-20200817173448-b6b71def0850 h1:uhL5Gw7BINiiPAo24A2sxkcDI0Jt/sqp1v5xQCniEFA=
+github.com/josharian/native v0.0.0-20200817173448-b6b71def0850/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
 github.com/jsimonetti/rtnetlink v0.0.0-20190606172950-9527aa82566a/go.mod h1:Oz+70psSo5OFh8DBl0Zv2ACw7Esh6pPUphlvZG9x7uw=
 github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGuG/smIU4J/54PblvSbh+xvCZmpJnFgr3ds6Z55XMQ=
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+github.com/jsimonetti/rtnetlink v0.0.0-20210212075122-66c871082f2b h1:c3NTyLNozICy8B4mlMXemD3z/gXgQzVXZS/HqT+i3do=
+github.com/jsimonetti/rtnetlink v0.0.0-20210212075122-66c871082f2b/go.mod h1:8w9Rh8m+aHZIG69YPGGem1i5VzoyRC8nw2kA8B+ik5U=
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 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
@@ -73,10 +84,21 @@ github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2y
 github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
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+github.com/mikioh/ipaddr v0.0.0-20190404000644-d465c8ab6721 h1:RlZweED6sbSArvlE924+mUcZuXKLBHA35U7LN621Bws=
 github.com/mikioh/ipaddr v0.0.0-20190404000644-d465c8ab6721/go.mod h1:Ickgr2WtCLZ2MDGd4Gr0geeCH5HybhRJbonOgQpvSxc=
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@@ -130,9 +152,11 @@ golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d h1:1ZiEyfaQIg3Qh0EoqpwAakHVhecoE5wlSg5GjnafJGw=
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@@ -142,8 +166,15 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20191003171128-d98b1b443823/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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-golang.org/x/net v0.0.0-20200226121028-0de0cce0169b h1:0mm1VjtFUOIlE1SbDlwjYaDxZVDP2S5ou6y0gSgXHu8=
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@@ -161,21 +192,40 @@ golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7w
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 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190608022120-eacb66d2a7c3/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.zx2c4.com/wireguard v0.0.0-20210427022245-097af6e1351b/go.mod h1:a057zjmoc00UN7gVkaJt2sXVK523kMJcogDTEvPIasg=
 golang.zx2c4.com/wireguard v0.0.20200121 h1:vcswa5Q6f+sylDfjqyrVNNrjsFUUbPsgAQTBCAg/Qf8=
 golang.zx2c4.com/wireguard v0.0.20200121/go.mod h1:P2HsVp8SKwZEufsnezXZA4GRX/T49/HlU7DGuelXsU4=
-golang.zx2c4.com/wireguard/wgctrl v0.0.0-20200324154536-ceff61240acf h1:rWUZHukj3poXegPQMZOXgxjTGIBe3mLNHNVvL5DsHus=
+golang.zx2c4.com/wireguard/wgctrl v0.0.0-20210803171230-4253848d036c h1:ADNrRDI5NR23/TUCnEmlLZLt4u9DnZ2nwRkPrAcFvto=
-golang.zx2c4.com/wireguard/wgctrl v0.0.0-20200324154536-ceff61240acf/go.mod h1:UdS9frhv65KTfwxME1xE8+rHYoFpbm36gOud1GhBe9c=
+golang.zx2c4.com/wireguard/wgctrl v0.0.0-20210803171230-4253848d036c/go.mod h1:+1XihzyZUBJcSc5WO9SwNA7v26puQwOEDwanaxfNXPQ=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

handler/routes.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"sort"
 	"strings"
 	"time"
 
@@ -14,6 +15,7 @@ import (
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/gommon/log"
 	"github.com/rs/xid"
+	"golang.zx2c4.com/wireguard/wgctrl"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 
 	"github.com/ngoduykhanh/wireguard-ui/emailer"
@@ -452,6 +454,93 @@ func GlobalSettings(db store.IStore) echo.HandlerFunc {
 	}
 }
 
+// Status handler
+func Status(db store.IStore) echo.HandlerFunc {
+	type PeerVM struct {
+		Name              string
+		Email             string
+		PublicKey         string
+		ReceivedBytes     int64
+		TransmitBytes     int64
+		LastHandshakeTime time.Time
+		LastHandshakeRel  time.Duration
+		Connected         bool
+	}
+
+	type DeviceVM struct {
+		Name  string
+		Peers []PeerVM
+	}
+	return func(c echo.Context) error {
+
+		wgclient, err := wgctrl.New()
+		if err != nil {
+			return c.Render(http.StatusInternalServerError, "status.html", map[string]interface{}{
+				"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c)},
+				"error":    err.Error(),
+				"devices":  nil,
+			})
+		}
+
+		devices, err := wgclient.Devices()
+		if err != nil {
+			return c.Render(http.StatusInternalServerError, "status.html", map[string]interface{}{
+				"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c)},
+				"error":    err.Error(),
+				"devices":  nil,
+			})
+		}
+
+		devicesVm := make([]DeviceVM, 0, len(devices))
+		if len(devices) > 0 {
+			m := make(map[string]*model.Client)
+			clients, err := db.GetClients(false)
+			if err != nil {
+				return c.Render(http.StatusInternalServerError, "status.html", map[string]interface{}{
+					"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c)},
+					"error":    err.Error(),
+					"devices":  nil,
+				})
+			}
+			for i := range clients {
+				if clients[i].Client != nil {
+					m[clients[i].Client.PublicKey] = clients[i].Client
+				}
+			}
+
+			conv := map[bool]int{true: 1, false: 0}
+			for i := range devices {
+				devVm := DeviceVM{Name: devices[i].Name}
+				for j := range devices[i].Peers {
+					pVm := PeerVM{
+						PublicKey:         devices[i].Peers[j].PublicKey.String(),
+						ReceivedBytes:     devices[i].Peers[j].ReceiveBytes,
+						TransmitBytes:     devices[i].Peers[j].TransmitBytes,
+						LastHandshakeTime: devices[i].Peers[j].LastHandshakeTime,
+						LastHandshakeRel:  time.Since(devices[i].Peers[j].LastHandshakeTime),
+					}
+					pVm.Connected = pVm.LastHandshakeRel.Minutes() < 3.
+
+					if _client, ok := m[pVm.PublicKey]; ok {
+						pVm.Name = _client.Name
+						pVm.Email = _client.Email
+					}
+					devVm.Peers = append(devVm.Peers, pVm)
+				}
+				sort.SliceStable(devVm.Peers, func(i, j int) bool { return devVm.Peers[i].Name < devVm.Peers[j].Name })
+				sort.SliceStable(devVm.Peers, func(i, j int) bool { return conv[devVm.Peers[i].Connected] > conv[devVm.Peers[j].Connected] })
+				devicesVm = append(devicesVm, devVm)
+			}
+		}
+
+		return c.Render(http.StatusOK, "status.html", map[string]interface{}{
+			"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c)},
+			"devices":  devicesVm,
+			"error":    "",
+		})
+	}
+}
+
 // GlobalSettingSubmit handler to update the global settings
 func GlobalSettingSubmit(db store.IStore) echo.HandlerFunc {
 	return func(c echo.Context) error {

main.go

@@ -102,6 +102,7 @@ func main() {
 	app.POST("wg-server/keypair", handler.WireGuardServerKeyPair(db), handler.ValidSession)
 	app.GET("/global-settings", handler.GlobalSettings(db), handler.ValidSession)
 	app.POST("/global-settings", handler.GlobalSettingSubmit(db), handler.ValidSession)
+	app.GET("/status", handler.Status(db), handler.ValidSession)
 	app.GET("/api/clients", handler.GetClients(db), handler.ValidSession)
 	app.GET("/api/client/:id", handler.GetClient(db), handler.ValidSession)
 	app.GET("/api/machine-ips", handler.MachineIPAddresses(), handler.ValidSession)

router/router.go

@@ -74,12 +74,18 @@ func New(tmplBox *rice.Box, extraData map[string]string, secret []byte) *echo.Ec
 		log.Fatal(err)
 	}
 
+	tmplStatusString, err := tmplBox.String("status.html")
+	if err != nil {
+		log.Fatal(err)
+	}
+
 	// create template list
 	templates := make(map[string]*template.Template)
 	templates["login.html"] = template.Must(template.New("login").Parse(tmplLoginString))
 	templates["clients.html"] = template.Must(template.New("clients").Parse(tmplBaseString + tmplClientsString))
 	templates["server.html"] = template.Must(template.New("server").Parse(tmplBaseString + tmplServerString))
 	templates["global_settings.html"] = template.Must(template.New("global_settings").Parse(tmplBaseString + tmplGlobalSettingsString))
+	templates["status.html"] = template.Must(template.New("status").Parse(tmplBaseString + tmplStatusString))
 
 	e.Logger.SetLevel(log.DEBUG)
 	e.Pre(middleware.RemoveTrailingSlash())

templates/base.html

@@ -120,6 +120,14 @@
                                 </p>
                             </a>
                         </li>
+                        <li class="nav-item">
+                            <a href="/status" class="nav-link {{if eq .baseData.Active "status" }}active{{end}}">
+                                <i class="nav-icon fas fa-user"></i>
+                                <p>
+                                    Status
+                                </p>
+                            </a>
+                        </li>
                     </ul>
                 </nav>
                 <!-- /.sidebar-menu -->

templates/status.html

@@ -0,0 +1,210 @@
+{{define "title"}}
+Connected Peers
+{{end}}
+
+{{define "top_css"}}
+{{end}}
+
+{{define "username"}}
+{{ .username }}
+{{end}}
+
+{{define "page_title"}}
+Connected Peers
+{{end}}
+
+{{define "page_content"}}
+<section class="content">
+    <div class="container-fluid">
+        {{ if .error }}
+        <div class="alert alert-warning" role="alert">{{.error}}</div>
+        {{ end}}
+        {{ range $dev := .devices }}
+            <table class="table table-sm">
+                <caption>List of connected peers for device with name {{ $dev.Name }} </caption>
+              <thead>
+                <tr>
+                  <th scope="col">#</th>
+                  <th scope="col">Name</th>
+                  <th scope="col">Email</th>
+                  <th scope="col">Public Key</th>
+                  <th scope="col">ReceiveBytes</th>
+                  <th scope="col">TransmitBytes</th>
+                  <th scope="col">Connected (Approximation)</th>
+                  <th scope="col">LastHandshakeTime</th>
+                </tr>
+              </thead>
+              <tbody>
+              {{ range $idx, $peer := $dev.Peers }}
+              <tr {{ if $peer.Connected }} class="table-success" {{ end }}>
+                <th scope="row">{{ $idx }}</th>
+                <td>{{ $peer.Name }}</td>
+                <td>{{ $peer.Email }}</td>
+                <td>{{ $peer.PublicKey }}</td>
+                <td>{{ $peer.ReceivedBytes }}</td>
+                <td>{{ $peer.TransmitBytes }}</td>
+                <td>{{ $peer.Connected }}</td>
+                <td>{{ $peer.LastHandshakeTime }}</td>
+               </tr>
+              {{ end }}
+              </tbody>
+            </table>
+        {{ end }}
+
+
+    </div>
+</section>
+
+<div class="modal fade" id="modal_endpoint_address_suggestion">
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header">
+                <h4 class="modal-title">Endpoint Address Suggestion</h4>
+                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
+                    <span aria-hidden="true">&times;</span>
+                </button>
+            </div>
+            <div class="modal-body">
+                <p>Following is the list of public and local IP addresses for your consideration.</p>
+                <select id="ip_suggestion" class="select2"
+                    data-placeholder="Select an IP address" style="width: 100%;">
+                </select>
+            </div>
+            <div class="modal-footer justify-content-between">
+                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+                <button type="button" class="btn btn-success" id="btn_use_ip" disabled>Use selected IP address</button>
+            </div>
+        </div>
+        <!-- /.modal-content -->
+    </div>
+    <!-- /.modal-dialog -->
+</div>
+<!-- /.modal -->
+{{end}}
+
+{{define "bottom_js"}}
+    <script>
+        function submitGlobalSettings() {
+            const endpoint_address = $("#endpoint_address").val();
+            const dns_servers = $("#dns_servers").val().split(",");
+            const mtu = $("#mtu").val();
+            const persistent_keepalive = $("#persistent_keepalive").val();
+            const config_file_path = $("#config_file_path").val();
+            const data = {"endpoint_address": endpoint_address, "dns_servers": dns_servers, "mtu": mtu, "persistent_keepalive": persistent_keepalive, "config_file_path": config_file_path};
+
+            $.ajax({
+                cache: false,
+                method: 'POST',
+                url: '/global-settings',
+                dataType: 'json',
+                contentType: "application/json",
+                data: JSON.stringify(data),
+                success: function(data) {
+                    $("#modal_new_client").modal('hide');
+                    toastr.success('Update global settings successfully');
+                },
+                error: function(jqXHR, exception) {
+                    const responseJson = jQuery.parseJSON(jqXHR.responseText);
+                    toastr.error(responseJson['message']);
+                }
+            });
+        }
+
+        function updateEndpointSuggestionIP() {
+            $.getJSON("/api/machine-ips", null, function(data) {
+                $("#ip_suggestion option").remove();
+                $.each(data, function(index, item) {
+                    $("#ip_suggestion").append(
+                        $("<option></option>")
+                            .text(item.ip_address + ' - ' + item.name)
+                            .val(item.ip_address)
+                    );
+                });
+                document.getElementById("btn_use_ip").disabled = false;
+            });
+        }
+    </script>
+    <script>
+        // Wireguard Interface DNS server tag input
+        $("#dns_servers").tagsInput({
+            'width': '100%',
+            'height': '75%',
+            'interactive': true,
+            'defaultText': 'Add More',
+            'removeWithBackspace': true,
+            'minChars': 0,
+            'placeholderColor': '#666666'
+        });
+
+        // Load DNS server to the form
+        {{range .globalSettings.DNSServers}}
+        $("#dns_servers").addTag('{{.}}');
+        {{end}}
+
+        // Global setting form validation
+        $(document).ready(function () {
+            $.validator.setDefaults({
+                submitHandler: function () {
+                    submitGlobalSettings();
+                }
+            });
+            $("#frm_global_settings").validate({
+                rules: {
+                    mtu: {
+                        required: true,
+                        digits: true,
+                        range: [68, 65535]
+                    },
+                    persistent_keepalive: {
+                        required: true,
+                        digits: true
+                    },
+                    config_file_path: {
+                        required: true
+                    }
+                },
+                messages: {
+                    mtu: {
+                        required: "Please enter a MTU value",
+                        digits: "MTU must be an integer",
+                        range: "MTU must be in range 68..65535"
+                    },
+                    persistent_keepalive: {
+                        required: "Please enter a Persistent Keepalive value",
+                        digits: "Persistent keepalive must be an integer"
+                    },
+                    config_file_path: {
+                        required: "Please enter WireGuard config file path"
+                    }
+                },
+                errorElement: 'span',
+                errorPlacement: function (error, element) {
+                    error.addClass('invalid-feedback');
+                    element.closest('.form-group').append(error);
+                },
+                highlight: function (element, errorClass, validClass) {
+                    $(element).addClass('is-invalid');
+                },
+                unhighlight: function (element, errorClass, validClass) {
+                    $(element).removeClass('is-invalid');
+                }
+            });
+        });
+
+        // Endpoint IP suggestion modal event
+        $(document).ready(function () {
+            $("#modal_endpoint_address_suggestion").on('shown.bs.modal', function (e) {
+                updateEndpointSuggestionIP();
+            });
+        });
+
+        // Use selected IP address from suggestion form
+        $(document).ready(function () {
+            $("#btn_use_ip").click(function () {
+                const ip = $("#ip_suggestion").select2('val');
+                $("#endpoint_address").val(ip);
+                $("#modal_endpoint_address_suggestion").modal('hide');
+            });
+        });
+    </script>
+{{end}}