feat: add keepSniBlank option to host commands and models

Author: kastov

libs/contract/commands/hosts/create.command.ts

@@ -72,6 +72,7 @@ export namespace CreateHostCommand {
             ),
         isHidden: z.optional(z.boolean().default(false)),
         overrideSniFromAddress: z.optional(z.boolean().default(false)),
+        keepSniBlank: z.optional(z.boolean().default(false)),
         allowInsecure: z.optional(z.boolean().default(false)),
         vlessRouteId: z.optional(z.number().int().min(0).max(65535).nullable()),
         shuffleHost: z.optional(z.boolean().default(false)),

libs/contract/commands/hosts/update.command.ts

@@ -76,6 +76,7 @@ export namespace UpdateHostCommand {
             ),
         isHidden: z.optional(z.boolean()),
         overrideSniFromAddress: z.optional(z.boolean()),
+        keepSniBlank: z.optional(z.boolean()),
         vlessRouteId: z.optional(z.number().int().min(0).max(65535).nullable()),
         allowInsecure: z.optional(z.boolean()),
         shuffleHost: z.optional(z.boolean()),

libs/contract/models/hosts.schema.ts

@@ -28,6 +28,7 @@ export const HostsSchema = z.object({
     tag: z.string().nullable(),
     isHidden: z.boolean().default(false),
     overrideSniFromAddress: z.boolean().default(false),
+    keepSniBlank: z.boolean().default(false),
     vlessRouteId: z.number().int().min(0).max(65535).nullable(),
     allowInsecure: z.boolean().default(false),
     shuffleHost: z.boolean(),

libs/contract/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@remnawave/backend-contract",
-  "version": "2.3.33",
+  "version": "2.3.35",
   "public": true,
   "license": "AGPL-3.0-only",
   "description": "A contract library for Remnawave Backend. It can be used in backend and frontend.",

prisma/migrations/20251207150402_blank_sni/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "hosts" ADD COLUMN     "keep_sni_blank" BOOLEAN NOT NULL DEFAULT false;

prisma/schema.prisma

@@ -283,6 +283,7 @@ model Hosts {
   shuffleHost          Boolean @default(false) @map("shuffle_host")
   mihomoX25519         Boolean @default(false) @map("mihomo_x25519")
   xrayJsonTemplateUuid String? @map("xray_json_template_uuid") @db.Uuid
+  keepSniBlank         Boolean @default(false) @map("keep_sni_blank")
 
   tag      String? @map("tag")
   isHidden Boolean @default(false) @map("is_hidden")

src/modules/hosts/entities/hosts.entity.ts

@@ -25,6 +25,7 @@ export class HostsEntity implements Hosts {
     isHidden: boolean;
 
     overrideSniFromAddress: boolean;
+    keepSniBlank: boolean;
     vlessRouteId: number | null;
     shuffleHost: boolean;
     mihomoX25519: boolean;

src/modules/hosts/hosts.converter.ts

@@ -37,7 +37,7 @@ const entityToModel = (entity: HostsEntity): Hosts => {
         isHidden: entity.isHidden,
 
         overrideSniFromAddress: entity.overrideSniFromAddress,
-
+        keepSniBlank: entity.keepSniBlank,
         configProfileUuid: entity.configProfileUuid,
         configProfileInboundUuid: entity.configProfileInboundUuid,
 

src/modules/hosts/models/host.response.model.ts

@@ -30,6 +30,7 @@ export class HostResponseModel {
     public isHidden: boolean;
 
     public overrideSniFromAddress: boolean;
+    public keepSniBlank: boolean;
     public vlessRouteId: number | null;
 
     public inbound: {
@@ -70,6 +71,7 @@ export class HostResponseModel {
         this.isHidden = data.isHidden;
 
         this.overrideSniFromAddress = data.overrideSniFromAddress;
+        this.keepSniBlank = data.keepSniBlank;
         this.vlessRouteId = data.vlessRouteId;
         this.inbound = {
             configProfileUuid: data.configProfileUuid,

src/modules/subscription-template/generators/format-hosts.service.ts

@@ -428,6 +428,10 @@ export class FormatHostsService {
                 sni = address;
             }
 
+            if (inputHost.keepSniBlank) {
+                sni = '';
+            }
+
             formattedHosts.push({
                 remark: finalRemark,
                 address,