feat: add value field to the dns log (#67)

record resolve value of dns log to facilitate the observation of dns rebinding.

.github/workflows/go.yml

@@ -23,6 +23,10 @@ jobs:
         uses: actions/checkout@v2
       - name: create dist directory
         run: mkdir frontend/dist && touch frontend/dist/revsuit
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.19.x
       - name: Run golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:

frontend/src/api/index.js

@@ -2,7 +2,7 @@ import axios from 'axios'
 import {store} from "@/main";
 
 const service = axios.create({
-    baseURL: location.pathname.slice(0, -'/admin/'.length) + "/api", // api的base_url
+    baseURL: "../api", // api的base_url
     timeout: 5000, // request timeout
     validateStatus: function (status) {
         if (status === 403) {

frontend/src/views/logs/Dns.vue

@@ -82,6 +82,15 @@ const columns = [
       filterIcon: 'filterIcon',
     },
   },
+  {
+    title: 'VALUE',
+    dataIndex: 'value',
+    key: 'value',
+    scopedSlots: {
+      filterDropdown: 'filterDropdown',
+      filterIcon: 'filterIcon',
+    },
+  },
   {
     title: 'REMOTE IP',
     key: 'remote_ip',

frontend/vue.config.js

@@ -10,7 +10,7 @@ module.exports = {
     devServer: {
         proxy: {
             '/api': {
-                target: 'http://localhost:10000',
+                target: 'http://127.0.0.1:10000/revsuit/',
             }
         },
     },

pkg/dns/dns.go

@@ -126,7 +126,7 @@ func (s *Server) newZone(name string) *newdns.Zone {
 			"ns2.hostmaster.com.",
 			"ns3.hostmaster.com.",
 		},
-		Handler: func(lookedName, remoteAddr string) ([]newdns.Set, error) {
+		Handler: func(lookedName, remoteAddr string) (set []newdns.Set, err error) {
 			ip := strings.Split(remoteAddr, ":")[0]
 
 			for _, _rule := range s.getRules() {
@@ -135,12 +135,24 @@ func (s *Server) newZone(name string) *newdns.Zone {
 					continue
 				}
 
-				r, err := newRecord(_rule, flag, domain, ip, ipinfo.Area(ip))
+				if _rule.Value != "" {
+					_type := _rule.Type
+					if _rule.Type == newdns.REBINDING {
+						_type = newdns.A
+					}
+					set = newSet(_rule, name, rule.CompileTpl(_rule.Value, vars), ip, _type)
+				}
+
+				var value string
+				if len(set) > 0 && len(set[0].Records) > 0 {
+					value = set[0].Records[0].Address
+				}
+				r, err := newRecord(_rule, flag, domain, value, ip, ipinfo.Area(ip))
 				if err != nil {
 					log.Warn("DNS record(rule_id:%s) created failed :%s", _rule.Name, err)
 					return nil, nil
 				}
-				log.Info("DNS record[id:%d rule:%s remote_ip:%s] has been created", r.ID, _rule.Name, ip)
+				log.Info("DNS record[id:%d rule:%s remote_ip:%s, value:%s] has been created", r.ID, _rule.Name, ip, value)
 
 				//only send to client or notify user when this connection recorded first time.
 				var count int64
@@ -168,15 +180,7 @@ func (s *Server) newZone(name string) *newdns.Zone {
 						}()
 					}
 				}
-				if _rule.Value != "" {
-					value := rule.CompileTpl(_rule.Value, vars)
-					_type := _rule.Type
-					if _rule.Type == newdns.REBINDING {
-						_type = newdns.A
-					}
-
-					return newSet(_rule, name, value, ip, _type), nil
-				}
+				return set, err
 			}
 
 			return nil, nil

pkg/dns/record.go

@@ -17,6 +17,7 @@ var _ record.Record = (*Record)(nil)
 
 type Record struct {
 	Domain string `gorm:"index" form:"domain" json:"domain"`
+	Value  string `form:"value" json:"value"`
 
 	record.BaseRecord
 	Rule Rule `gorm:"foreignKey:RuleName;references:Name;constraint:OnUpdate:CASCADE,OnDelete:SET NULL;" form:"-" json:"-" notice:"-"`
@@ -30,7 +31,7 @@ func (r Record) Notice() {
 	notice.Notice(r)
 }
 
-func newRecord(rule *Rule, flag, domain, remoteIp, ipArea string) (r *Record, err error) {
+func newRecord(rule *Rule, flag, domain, value, remoteIp, ipArea string) (r *Record, err error) {
 	r = &Record{
 		BaseRecord: record.BaseRecord{
 			Flag:        flag,
@@ -39,6 +40,7 @@ func newRecord(rule *Rule, flag, domain, remoteIp, ipArea string) (r *Record, er
 			RequestTime: time.Now(),
 		},
 		Domain: domain,
+		Value:  value,
 		Rule:   *rule,
 	}
 
@@ -89,6 +91,9 @@ func Records(c *gin.Context) {
 	if dnsRecord.RuleName != "" {
 		db.Where("rule_name = ?", dnsRecord.RuleName)
 	}
+	if dnsRecord.Value != "" {
+		db.Where("address= ?", dnsRecord.Value)
+	}
 
 	//Delete records
 	if c.Request.Method == http.MethodDelete {