feat: Add use sni as host (#1516)

* feat: Add use sni as host

* check if there is any sni

app/dashboard/public/statics/locales/en.json

@@ -37,6 +37,7 @@
   "hostsDialog.addHost": "Add host",
   "hostsDialog.advancedOptions": "Advanced options",
   "hostsDialog.allowinsecure": "Allow Insecure",
+  "hostsDialog.useSniAsHost": "Use sni as host",
   "hostsDialog.alpn": "ALPN",
   "hostsDialog.apply": "Apply",
   "hostsDialog.currentServer": "IP Address of current server",

app/dashboard/public/statics/locales/fa.json

@@ -42,6 +42,7 @@
   "hostsDialog.addHost": "افزودن هاست",
   "hostsDialog.advancedOptions": "تنظیمات پیشرفته",
   "hostsDialog.allowinsecure": "Allow Insecure",
+  "hostsDialog.useSniAsHost": "استفاده از sni به عنوان هاست",
   "hostsDialog.alpn": "ALPN",
   "hostsDialog.apply": "اعمال",
   "hostsDialog.currentServer": "IP کنونی سرور",

app/dashboard/public/statics/locales/ru.json

@@ -37,6 +37,7 @@
   "hostsDialog.addHost": "Добавить хост",
   "hostsDialog.advancedOptions": "Дополнительные опции",
   "hostsDialog.allowinsecure": "Allow Insecure",
+  "hostsDialog.useSniAsHost": "Use sni as host",
   "hostsDialog.alpn": "ALPN",
   "hostsDialog.apply": "Применить",
   "hostsDialog.currentServer": "IP текущего сервера",
@@ -188,4 +189,4 @@
   "usersTable.noUserMatched": "Похоже, нет пользователя, соответствующего вашему запросу",
   "usersTable.status": "Статус",
   "usersTable.total": "Всего"
-}
+}

app/dashboard/public/statics/locales/zh.json

@@ -37,6 +37,7 @@
   "hostsDialog.addHost": "添加主机",
   "hostsDialog.advancedOptions": "高级选项",
   "hostsDialog.allowinsecure": "允许不安全连接",
+  "hostsDialog.useSniAsHost": "Use sni as host",
   "hostsDialog.alpn": "ALPN",
   "hostsDialog.apply": "保存",
   "hostsDialog.currentServer": "当前服务器的 IP 地址",
@@ -189,4 +190,4 @@
   "usersTable.status": "状态",
   "usersTable.sortByExpire": "按过期时间排序",
   "usersTable.total": "总共"
-}
+}

app/dashboard/src/components/HostsDialog.tsx

@@ -152,6 +152,7 @@ const hostsSchema = z.record(
       security: z.string(),
       alpn: z.string(),
       fingerprint: z.string(),
+      use_sni_as_host: z.boolean().default(false),
     })
   )
 );
@@ -212,6 +213,7 @@ const AccordionInbound: FC<AccordionInboundType> = ({
       security: "inbound_default",
       alpn: "",
       fingerprint: "",
+      use_sni_as_host: false,
     });
   };
   const duplicateHost = (index: number) => {
@@ -1067,6 +1069,33 @@ const AccordionInbound: FC<AccordionInboundType> = ({
 
 
                           <FormControl
+                            isInvalid={
+                              !!(
+                                accordionErrors &&
+                                accordionErrors[index]?.use_sni_as_host
+                              )
+                            }
+                          >
+                            <Checkbox
+                              {...form.register(
+                                hostKey + "." + index + ".use_sni_as_host"
+                              )}
+                            >
+                              <FormLabel>
+                                {t("hostsDialog.useSniAsHost")}
+                              </FormLabel>
+                            </Checkbox>
+                            {accordionErrors &&
+                              accordionErrors[index]?.use_sni_as_host && (
+                                <Error>
+                                  {
+                                    accordionErrors[index]?.use_sni_as_host
+                                      ?.message
+                                  }
+                                </Error>
+                              )}
+                        </FormControl>
+                         <FormControl
                             isInvalid={
                               !!(
                                 accordionErrors &&

app/db/crud.py

@@ -158,6 +158,7 @@ def update_hosts(db: Session, inbound_tag: str, modified_hosts: List[ProxyHostMo
             fragment_setting=host.fragment_setting,
             noise_setting=host.noise_setting,
             random_user_agent=host.random_user_agent,
+            use_sni_as_host=host.use_sni_as_host,
         ) for host in modified_hosts
     ]
     db.commit()

app/db/migrations/versions/2b231de97dc3_add_use_sni_as_host_to_hosts.py

@@ -0,0 +1,27 @@
+"""add use sni as host to hosts
+
+Revision ID: 2b231de97dc3
+Revises: e7b869e999b4
+Create Date: 2024-12-15 09:48:24.330959
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = '2b231de97dc3'
+down_revision = 'e7b869e999b4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('hosts', sa.Column('use_sni_as_host', sa.Boolean(), server_default='0', nullable=False))
+   # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('hosts', 'use_sni_as_host')
+    # ### end Alembic commands ###

app/db/models.py

@@ -263,6 +263,7 @@ class ProxyHost(Base):
     fragment_setting = Column(String(100), nullable=True)
     noise_setting = Column(String(2000), nullable=True)
     random_user_agent = Column(Boolean, nullable=False, default=False, server_default='0')
+    use_sni_as_host = Column(Boolean, nullable=False, default=False, server_default="0")
 
 
 class System(Base):

app/models/proxy.py

@@ -4,7 +4,7 @@ from enum import Enum
 from typing import Optional, Union
 from uuid import UUID, uuid4
 
-from pydantic import field_validator, ConfigDict, BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field, field_validator
 
 from app.utils.system import random_password
 from xray_api.types.account import (
@@ -13,7 +13,7 @@ from xray_api.types.account import (
     TrojanAccount,
     VLESSAccount,
     VMessAccount,
-    XTLSFlows
+    XTLSFlows,
 )
 
 FRAGMENT_PATTERN = re.compile(r'^((\d{1,4}-\d{1,4})|(\d{1,4})),((\d{1,3}-\d{1,3})|(\d{1,3})),(tlshello|\d|\d\-\d)$')
@@ -154,6 +154,7 @@ class ProxyHost(BaseModel):
     fragment_setting: Optional[str] = Field(None, nullable=True)
     noise_setting: Optional[str] = Field(None, nullable=True)
     random_user_agent: Union[bool, None] = None
+    use_sni_as_host: Union[bool, None] = None
     model_config = ConfigDict(from_attributes=True)
 
     @field_validator("remark", mode="after")

app/subscription/share.py

@@ -292,6 +292,9 @@ def process_inbounds_and_tags(
                 else:
                     path = inbound.get("path", "").format_map(format_variables)
 
+                if host.get("use_sni_as_host", False) and sni:
+                    req_host = sni
+
                 host_inbound.update(
                     {
                         "port": host["port"] or inbound["port"],

app/xray/__init__.py

@@ -10,10 +10,8 @@ from app.xray.core import XRayCore
 from app.xray.node import XRayNode
 from config import XRAY_ASSETS_PATH, XRAY_EXECUTABLE_PATH, XRAY_JSON
 from xray_api import XRay as XRayAPI
-from xray_api import exceptions
+from xray_api import exceptions, types
 from xray_api import exceptions as exc
-from xray_api import types
-
 
 core = XRayCore(XRAY_EXECUTABLE_PATH, XRAY_ASSETS_PATH)
 
@@ -64,6 +62,7 @@ def hosts(storage: dict):
                     "fragment_setting": host.fragment_setting,
                     "noise_setting": host.noise_setting,
                     "random_user_agent": host.random_user_agent,
+                    "use_sni_as_host": host.use_sni_as_host,
                 } for host in inbound_hosts if not host.is_disabled
             ]