缓存设置中可以设置缓存主域名，用来复用多域名下的缓存

internal/web/actions/default/servers/server/settings/cache/index.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"github.com/TeaOSLab/EdgeAdmin/internal/utils"
 	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
+	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/default/dns/domains/domainutils"
 	"github.com/TeaOSLab/EdgeCommon/pkg/langs/codes"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/dao"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
@@ -12,6 +13,7 @@ import (
 	"github.com/iwind/TeaGo/actions"
 	"github.com/iwind/TeaGo/maps"
 	"github.com/iwind/TeaGo/types"
+	"strings"
 )
 
 type IndexAction struct {
@@ -92,6 +94,48 @@ func (this *IndexAction) RunPost(params struct {
 		return
 	}
 
+	// 检查Key
+	if cacheConfig.Key != nil && cacheConfig.Key.IsOn {
+		if cacheConfig.Key.Scheme != "http" && cacheConfig.Key.Scheme != "https" {
+			this.Fail("缓存主域名协议只能是http或者https")
+			return
+		}
+		if len(cacheConfig.Key.Host) == 0 {
+			this.Fail("请输入缓存主域名")
+			return
+		}
+		cacheConfig.Key.Host = strings.ToLower(strings.TrimSuffix(cacheConfig.Key.Host, "/"))
+		if !domainutils.ValidateDomainFormat(cacheConfig.Key.Host) {
+			this.Fail("请输入正确的缓存主域名")
+			return
+		}
+
+		// 检查域名所属
+		serverIdResp, err := this.RPC().HTTPWebRPC().FindServerIdWithHTTPWebId(this.AdminContext(), &pb.FindServerIdWithHTTPWebIdRequest{HttpWebId: params.WebId})
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+		var serverId = serverIdResp.ServerId
+		if serverId <= 0 {
+			this.Fail("找不到要操作的网站")
+			return
+		}
+
+		existServerNameResp, err := this.RPC().ServerRPC().CheckServerNameInServer(this.AdminContext(), &pb.CheckServerNameInServerRequest{
+			ServerId:   serverId,
+			ServerName: cacheConfig.Key.Host,
+		})
+		if err != nil {
+			this.ErrorPage(err)
+			return
+		}
+		if !existServerNameResp.Exists {
+			this.Fail("域名 '" + cacheConfig.Key.Host + "' 在当前网站中并未绑定，不能作为缓存主域名")
+			return
+		}
+	}
+
 	err = cacheConfig.Init()
 	if err != nil {
 		this.Fail("检查配置失败：" + err.Error())