实现基础的DDoS防护

internal/web/actions/default/clusters/cluster/settings/ddos-protection/index.go

@@ -0,0 +1,106 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package ddosProtection
+
+import (
+	"encoding/json"
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/ddosconfigs"
+	"github.com/iwind/TeaGo/actions"
+	"github.com/iwind/TeaGo/types"
+	"net"
+)
+
+type IndexAction struct {
+	actionutils.ParentAction
+}
+
+func (this *IndexAction) Init() {
+	this.Nav("", "setting", "")
+	this.SecondMenu("ddosProtection")
+}
+
+func (this *IndexAction) RunGet(params struct {
+	ClusterId int64
+}) {
+	this.Data["clusterId"] = params.ClusterId
+
+	protectionResp, err := this.RPC().NodeClusterRPC().FindNodeClusterDDoSProtection(this.AdminContext(), &pb.FindNodeClusterDDoSProtectionRequest{NodeClusterId: params.ClusterId})
+	if err != nil {
+		this.ErrorPage(err)
+		return
+	}
+
+	var ddosProtectionConfig = ddosconfigs.DefaultProtectionConfig()
+	if len(protectionResp.DdosProtectionJSON) > 0 {
+		err = json.Unmarshal(protectionResp.DdosProtectionJSON, ddosProtectionConfig)
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+	}
+	this.Data["config"] = ddosProtectionConfig
+	this.Data["defaultConfigs"] = nodeconfigs.DefaultConfigs
+
+	this.Show()
+}
+
+func (this *IndexAction) RunPost(params struct {
+	ClusterId          int64
+	DdosProtectionJSON []byte
+
+	Must *actions.Must
+	CSRF *actionutils.CSRF
+}) {
+	defer this.CreateLogInfo("修改集群 %d 的DDOS防护设置", params.ClusterId)
+
+	var ddosProtectionConfig = &ddosconfigs.ProtectionConfig{}
+	err := json.Unmarshal(params.DdosProtectionJSON, ddosProtectionConfig)
+	if err != nil {
+		this.ErrorPage(err)
+		return
+	}
+
+	err = ddosProtectionConfig.Init()
+	if err != nil {
+		this.Fail("配置校验失败：" + err.Error())
+	}
+
+	// 校验参数
+	if ddosProtectionConfig.TCP != nil {
+		var tcpConfig = ddosProtectionConfig.TCP
+		if tcpConfig.MaxConnectionsPerIP > 0 && tcpConfig.MaxConnectionsPerIP < nodeconfigs.DefaultTCPMinConnectionsPerIP {
+			this.FailField("tcpMaxConnectionsPerIP", "TCP: 单IP TCP最大连接数不能小于"+types.String(nodeconfigs.DefaultTCPMinConnectionsPerIP))
+		}
+
+		if tcpConfig.NewConnectionsRate > 0 && tcpConfig.NewConnectionsRate < nodeconfigs.DefaultTCPNewConnectionsMinRate {
+			this.FailField("tcpNewConnectionsRate", "TCP: 单IP连接速率不能小于"+types.String(nodeconfigs.DefaultTCPNewConnectionsMinRate))
+		}
+
+		// Port
+		for _, portConfig := range tcpConfig.Ports {
+			if portConfig.Port > 65535 {
+				this.Fail("端口号" + types.String(portConfig.Port) + "不能大于65535")
+			}
+		}
+
+		// IP
+		for _, ipConfig := range tcpConfig.AllowIPList {
+			if net.ParseIP(ipConfig.IP) == nil {
+				this.Fail("白名单IP '" + ipConfig.IP + "' 格式错误")
+			}
+		}
+	}
+
+	_, err = this.RPC().NodeClusterRPC().UpdateNodeClusterDDoSProtection(this.AdminContext(), &pb.UpdateNodeClusterDDoSProtectionRequest{
+		NodeClusterId:      params.ClusterId,
+		DdosProtectionJSON: params.DdosProtectionJSON,
+	})
+	if err != nil {
+		this.ErrorPage(err)
+		return
+	}
+	this.Success()
+}

internal/web/actions/default/clusters/cluster/settings/ddos-protection/status.go

@@ -0,0 +1,71 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package ddosProtection
+
+import (
+	"encoding/json"
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/default/nodes/nodeutils"
+	"github.com/TeaOSLab/EdgeCommon/pkg/messageconfigs"
+	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
+	"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/ddosconfigs"
+	"github.com/iwind/TeaGo/maps"
+)
+
+type StatusAction struct {
+	actionutils.ParentAction
+}
+
+func (this *StatusAction) Init() {
+	this.Nav("", "setting", "")
+	this.SecondMenu("ddosProtection")
+}
+
+func (this *StatusAction) RunGet(params struct {
+	ClusterId int64
+}) {
+	this.Data["clusterId"] = params.ClusterId
+
+	this.Show()
+}
+
+func (this *StatusAction) RunPost(params struct {
+	ClusterId int64
+}) {
+	results, err := nodeutils.SendMessageToCluster(this.AdminContext(), params.ClusterId, messageconfigs.MessageCodeCheckLocalFirewall, &messageconfigs.CheckLocalFirewallMessage{
+		Name: "nftables",
+	}, 10)
+	if err != nil {
+		this.ErrorPage(err)
+		return
+	}
+
+	var resultMaps = []maps.Map{}
+	for _, result := range results {
+		var resultMap = maps.Map{
+			"isOk":     result.IsOK,
+			"message":  result.Message,
+			"nodeId":   result.NodeId,
+			"nodeName": result.NodeName,
+		}
+
+		nodeResp, err := this.RPC().NodeRPC().FindNodeDDoSProtection(this.AdminContext(), &pb.FindNodeDDoSProtectionRequest{NodeId: result.NodeId})
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+		if len(nodeResp.DdosProtectionJSON) > 0 {
+			var ddosProtection = ddosconfigs.DefaultProtectionConfig()
+			err = json.Unmarshal(nodeResp.DdosProtectionJSON, ddosProtection)
+			if err != nil {
+				this.ErrorPage(err)
+				return
+			}
+			resultMap["isPrior"] = !ddosProtection.IsPriorEmpty()
+		}
+		resultMaps = append(resultMaps, resultMap)
+	}
+
+	this.Data["results"] = resultMaps
+	this.Success()
+}