安装时如果数据库地址填写的是公网IP，则提示会影响系统运行性能

internal/utils/ip_utils.go

@@ -134,3 +134,23 @@ func NextIP(prevIP net.IP) net.IP {
 	}
 	return ip
 }
+
+// IsLocalIP 判断是否为本地IP
+// ip 是To4()或者To16()的结果
+func IsLocalIP(ip net.IP) bool {
+	if ip == nil {
+		return false
+	}
+
+	if ip[0] == 127 ||
+		ip[0] == 10 ||
+		(ip[0] == 172 && ip[1]&0xf0 == 16) ||
+		(ip[0] == 192 && ip[1] == 168) {
+		return true
+	}
+
+	if ip.String() == "::1" {
+		return true
+	}
+	return false
+}

internal/web/actions/default/setup/checkLocalIP.go

@@ -0,0 +1,39 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package setup
+
+import (
+	"github.com/TeaOSLab/EdgeAdmin/internal/utils"
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"net"
+)
+
+// CheckLocalIPAction 检查IP是否为局域网IP
+type CheckLocalIPAction struct {
+	actionutils.ParentAction
+}
+
+func (this *CheckLocalIPAction) RunPost(params struct {
+	Host string
+}) {
+	var ip = net.ParseIP(params.Host)
+	if ip == nil {
+		// 默认为true
+		this.Data["isLocal"] = true
+		this.Success()
+	}
+
+	var ipObj = ip.To4()
+	if ipObj == nil {
+		ipObj = ip.To16()
+	}
+	if ipObj == nil {
+		// 默认为true
+		this.Data["isLocal"] = true
+		this.Success()
+	}
+
+	this.Data["isLocal"] = utils.IsLocalIP(ipObj)
+
+	this.Success()
+}

internal/web/actions/default/setup/init.go

@@ -14,6 +14,7 @@ func init() {
 			Post("/install", new(InstallAction)).
 			Post("/status", new(StatusAction)).
 			Post("/detectDB", new(DetectDBAction)).
+			Post("/checkLocalIP", new(CheckLocalIPAction)).
 			EndAll()
 	})
 }

internal/web/helpers/utils.go

@@ -3,6 +3,7 @@ package helpers
 import (
 	"github.com/TeaOSLab/EdgeAdmin/internal/events"
 	nodes "github.com/TeaOSLab/EdgeAdmin/internal/rpc"
+	"github.com/TeaOSLab/EdgeAdmin/internal/utils"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeCommon/pkg/systemconfigs"
 	"github.com/iwind/TeaGo/lists"
@@ -66,7 +67,7 @@ func checkIPWithoutCache(config *systemconfigs.SecurityConfig, ipAddr string) bo
 			return false
 		}
 	}
-	if config.AllowLocal && isLocalIP(ip) {
+	if config.AllowLocal && utils.IsLocalIP(ip) {
 		return true
 	}
 
@@ -105,18 +106,3 @@ func checkIPWithoutCache(config *systemconfigs.SecurityConfig, ipAddr string) bo
 
 	return true
 }
-
-// 判断是否为本地IP
-func isLocalIP(ip net.IP) bool {
-	if ip[0] == 127 ||
-		ip[0] == 10 ||
-		(ip[0] == 172 && ip[1]&0xf0 == 16) ||
-		(ip[0] == 192 && ip[1] == 168) {
-		return true
-	}
-
-	if ip.String() == "::1" {
-		return true
-	}
-	return false
-}

web/views/@default/setup/index.html

@@ -149,8 +149,9 @@
 					<tr>
 						<td class="title">MySQL主机地址 *</td>
 						<td>
-							<input type="text" name="host" maxlength="100" placeholder="比如 192.168.1.100" style="width:16em" ref="dbHost" v-model="localDB.host"/>
+							<input type="text" name="host" maxlength="100" placeholder="比如 192.168.1.100" style="width:16em" ref="dbHost" v-model="localDB.host" @change="checkDBIP" @input="localDB.isLocal = true"/>
                             <p class="comment" v-if="localDBHost.length > 0 && localDBHost == localDB.host"><span class="blue">已经自动填入从当前服务器发现的MySQL数据库信息。</span></p>
+                            <p class="comment" v-if="!localDB.isLocal"><span class="red">当前地址不是局域网IP，可能会严重影响系统运行性能，请优先选择局域网IP。</span></p>
 						</td>
 					</tr>
 					<tr>

web/views/@default/setup/index.js

@@ -57,7 +57,7 @@ Tea.context(function () {
 
 	// 数据库
 	this.dbInfo = {}
-	this.localDB = {"host": "", "port": "", "username": "", "port": ""}
+	this.localDB = {"host": "", "port": "", "username": "", "port": "", "isLocal": true}
 	this.localDBHost = ""
 	this.dbRequesting = false
 
@@ -65,10 +65,26 @@ Tea.context(function () {
 		this.$post(".detectDB")
 			.success(function (resp) {
 				this.localDB = resp.data.localDB
+				this.localDB["isLocal"] = true
 				this.localDBHost = this.localDB.host
 			})
 	}
 
+	this.checkDBIP = function () {
+		this.localDB["isLocal"] = true
+		if (this.localDB.host.length == 0) {
+			return
+		}
+		this.$post(".checkLocalIP")
+			.params({
+				host: this.localDB.host
+			})
+			.success(function (resp) {
+				this.localDB["isLocal"] = resp.data.isLocal
+				this.$forceUpdate()
+			})
+	}
+
 	this.dbSubmit = function () {
 		this.dbRequesting = true
 	}