新增代理服务的离线接口，优化认证逻辑，代理服务表添加状态字段

web/auth/context.go

@@ -65,6 +65,8 @@ func (t PayloadType) ToStr() string {
 		return "cpub"
 	case PayloadSecuredServer:
 		return "ccnf"
+	case PayloadInternalServer:
+		return "inte"
 	default:
 		return "none"
 	}
@@ -80,6 +82,8 @@ func PayloadTypeFromStr(name string) PayloadType {
 		return PayloadPublicServer
 	case "ccnf":
 		return PayloadSecuredServer
+	case "inte":
+		return PayloadInternalServer
 	default:
 		return PayloadNone
 	}