separate SNIs from URLs

README.md

@@ -7,8 +7,9 @@ d2ray is a single Docker container that provides easy 5-minute setups and braind
 1. You can start with the example `docker-compose.yml` from this repo.
 2. Adjust environment variables:
     - `PORT`: the port Xray listens on.
-    - `TARGET_URL`: the target domain to redirect non proxy connections.
+    - `TARGET_HOST`: the target host to redirect non proxy connections.
     - `TARGET_PORT`: the target port to redirect non proxy connections.
+    - `TARGET_SNI`: comma separated list of the target website's SNIs.
     - `USERS`: comma separated list of usernames that can access Xray.
     - `LOG_LEVEL`: the verbosity of Xray logs. Default: `warn`.
 3. `docker compose up -d`

docker-compose.yml

@@ -10,10 +10,11 @@ services:
       - 8443:8443
     environment:
       - PORT=8443
-      - TARGET_URL=example.com
+      - TARGET_HOST=example.com
       - TARGET_PORT=443
+      - TARGET_SNI=www.example.com,example.com
       - USERS=exampleuser1,exampleuser2
-      - LOG_LEVEL=${LOG_LEVEL}
+      - LOG_LEVEL=warn
     restart: unless-stopped
     networks:
       - d2ray_br

opt/init.py

@@ -13,13 +13,15 @@ XRAY_BIN = pathlib.Path("/opt/xray/xray")
 class d2args:
     port : int
     target_port : int
-    target_url : str
+    target_host : str
+    target_sni : str
     log_level : str
     users : list[str]
     def __init__(self) -> None:
         self.port = 443
+        self.target_host = "localhost"
         self.target_port = 443
-        self.target_url = "localhost"
+        self.target_sni = "localhost"
         self.log_level = "warn"
         self.users = [''.join(random.choices(string.ascii_uppercase + string.digits, k=24))]
 
@@ -32,9 +34,13 @@ class d2args:
         if env != None:
             self.target_port = int(env)  
 
-        env = os.getenv("TARGET_URL")
+        env = os.getenv("TARGET_SNI")
         if env != None:
-            self.target_url = env
+            self.target_sni = env.split(",")
+        
+        env = os.getenv("TARGET_HOST")
+        if env != None:
+            self.target_host = env
 
         env = os.getenv("LOG_LEVEL")
         if env != None:
@@ -47,7 +53,8 @@ class d2args:
     def __str__(self):
         ret = (f"Port: {self.port}\n"
                f"Target Port: {self.target_port}\n"
-               f"Target URL: {self.target_url}\n"
+               f"Target Host: {self.target_host}\n"
+               f"Target SNI: {', '.join(self.target_sni)}\n"
                f"Log Level: {self.log_level}\n"
                f"Users: {', '.join(self.users)}"
         )
@@ -68,12 +75,8 @@ def process_directory(path : str, vars : dict[str, str], delete_template : bool
             if delete_template:
                 subprocess.check_call(f"rm {full_path}", shell=True)
 
-def build_target_fqdns(url : str) -> str:
-    prefix = "www."
-    fqdns = [url, f"{prefix}{url}"]
-    if url.startswith(prefix) and len(url) > len(prefix):
-        fqdns.append(url[len(prefix):])
-    return ', '.join(['"' + item + '"' for item in fqdns])
+def build_target_snis(snis : list[str]) -> str:
+    return ', '.join(['"' + item + '"' for item in snis])
 
 def build_users_json(users: list[str]) -> str:
     return ', '.join(["{\"id\": \"" + item + "\", \"flow\": \"xtls-rprx-vision\"}" for item in users])
@@ -82,9 +85,9 @@ def build_jinja_dict(args : d2args, skey : str) -> dict[str, str]:
     jinja_dict : dict[str,str] = dict()
     jinja_dict["PORT"] = str(args.port)
     
-    jinja_dict["TARGET_URL"] = args.target_url
+    jinja_dict["TARGET_HOST"] = args.target_host
     jinja_dict["TARGET_PORT"] = str(args.target_port)
-    jinja_dict["TARGET_FQDNS"] = build_target_fqdns(args.target_url)
+    jinja_dict["TARGET_SNI"] = build_target_snis(args.target_sni)
 
     jinja_dict["LOG_DIR"] = str(LOG_DIR)
     jinja_dict["LOG_LEVEL"] = args.log_level

opt/xray/d2ray.json.in

@@ -19,10 +19,10 @@
           "security": "reality",
           "realitySettings": {
             "show": false,
-            "dest": "{{ TARGET_URL }}:{{ TARGET_PORT }}",
+            "dest": "{{ TARGET_HOST }}:{{ TARGET_PORT }}",
             "xver": 0,
             "serverNames": [
-              {{ TARGET_FQDNS }}
+              {{ TARGET_SNI }}
             ],
             "privateKey": "{{ PRIVATE_KEY }}",
             "shortIds": [