feat: Добавлена начальная реализация веб-интерфейса VPN-клиента с управлением подписками и отображением серверов.

web/server.py

@@ -12,7 +12,9 @@ import socketserver
 import urllib.request
 import urllib.error
 import uuid
-from urllib.parse import parse_qs
+import socket
+import time
+from urllib.parse import parse_qs, unquote
 from pathlib import Path
 
 PORT = 3456
@@ -50,12 +52,13 @@ def get_system_info() -> dict:
     }
 
 
-def save_subscription(url: str, selected_server: str = None):
-    """Save subscription URL and selected server to file"""
+def save_subscription(url: str, selected_server: str = None, user_info: dict = None):
+    """Save subscription URL, selected server and user info to file"""
     DATA_DIR.mkdir(parents=True, exist_ok=True)
     data = {
         "url": url,
-        "selectedServer": selected_server
+        "selectedServer": selected_server,
+        "userInfo": user_info
     }
     SUBSCRIPTION_FILE.write_text(json.dumps(data, ensure_ascii=False, indent=2))
 
@@ -70,10 +73,113 @@ def load_subscription() -> dict:
     return None
 
 
+def measure_tcp_latency(host: str, port: int, timeout: float = 2.0) -> int:
+    """Measure TCP latency to a host:port in milliseconds"""
+    start_time = time.time()
+    try:
+        with socket.create_connection((host, port), timeout=timeout):
+            latency = (time.time() - start_time) * 1000
+            return int(latency)
+    except Exception:
+        return -1
+
+
+def measure_proxy_performance(enable_speed_test: bool = False) -> dict:
+    """Measure proxy latency, speed and public IP via local proxy"""
+    proxy_url = "http://127.0.0.1:8082"
+    proxies = {"http": proxy_url, "https": proxy_url}
+    
+    # 1. Measure Latency (Ping)
+    latency = "Timeout"
+    try:
+        start_time = time.time()
+        # Use a reliable endpoint for ping
+        opener = urllib.request.build_opener(urllib.request.ProxyHandler(proxies))
+        req = urllib.request.Request("http://www.gstatic.com/generate_204", headers={"User-Agent": "singbox-test"})
+        with opener.open(req, timeout=5) as response:
+            lat_ms = int((time.time() - start_time) * 1000)
+            latency = f"{lat_ms}ms"
+    except Exception as e:
+        latency = "Error"
+
+    # 2. Get Public IP (IPv4)
+    ip = "Unknown"
+    try:
+        opener = urllib.request.build_opener(urllib.request.ProxyHandler(proxies))
+        # Use v4.ident.me to force IPv4
+        req = urllib.request.Request("http://v4.ident.me", headers={"User-Agent": "curl/7.68.0"})
+        with opener.open(req, timeout=5) as response:
+            ip = response.read().decode('utf-8').strip()
+    except Exception:
+        # Fallback to ipify if ident.me fails or returns garbage
+        try:
+            req = urllib.request.Request("http://api.ipify.org", headers={"User-Agent": "curl/7.68.0"})
+            with opener.open(req, timeout=5) as response:
+                ip = response.read().decode('utf-8').strip()
+        except Exception:
+            pass
+
+    # 3. Measure Download Speed
+    speed_mbps = 0.0
+    if enable_speed_test:
+        test_files = [
+            # Tele2 Speedtest (Usually very reliable and fast)
+            ("https://speedtest.selectel.ru/100MB", 100),
+            # ThinkBroadband (Reliable backup)
+            ("https://speedtest.selectel.ru/1GB", 1000)
+        ]
+        
+        for url, size_mb in test_files:
+            try:
+                print(f"[WebUI] Testing speed with: {url}")
+                start_time = time.time()
+                opener = urllib.request.build_opener(urllib.request.ProxyHandler(proxies))
+                # Set a longer timeout for speed tests
+                with opener.open(url, timeout=30) as response:
+                    downloaded = 0
+                    # Larger chunk size for better throughput measurement
+                    chunk_size = 1024 * 256  # 256KB chunks
+                    
+                    # Download for at least 2 seconds or up to 25MB for accurate measurement
+                    min_test_duration = 2.0  # seconds
+                    max_download_bytes = 25 * 1024 * 1024  # 25MB
+                    
+                    while True:
+                        chunk = response.read(chunk_size)
+                        if not chunk:
+                            break
+                        downloaded += len(chunk)
+                        
+                        elapsed = time.time() - start_time
+                        # Stop if we've downloaded enough AND tested for minimum duration
+                        if downloaded >= max_download_bytes or (elapsed >= min_test_duration and downloaded >= 2 * 1024 * 1024):
+                            break
+                    
+                    duration = time.time() - start_time
+                    if duration > 0.1 and downloaded > 0:
+                        # Calculate speed in Mbps (megabits per second)
+                        # downloaded bytes * 8 bits/byte / 1,000,000 / seconds
+                        speed_mbps = round((downloaded * 8) / (1000 * 1000) / duration, 1)
+                        print(f"[WebUI] Speed test: downloaded {downloaded / (1024*1024):.1f}MB in {duration:.1f}s = {speed_mbps} Mbps")
+                        break  # Stop if successful
+            except Exception as e:
+                print(f"[WebUI] Speed test failed for {url}: {e}")
+                continue
+
+    result = {
+        "latency": latency,
+        "ip": ip
+    }
+    
+    if enable_speed_test:
+        # If speed is still 0.0 but we tried, return Error or 0.0
+        result["speed"] = f"{speed_mbps} Mbps"
+    
+    return result
+
+
 def parse_vless_url(url: str) -> dict:
     """Parse VLESS URL and extract connection parameters"""
-    from urllib.parse import urlparse, parse_qs, unquote
-    
     if not url.startswith("vless://"):
         raise ValueError("URL must start with vless://")
     
@@ -194,6 +300,10 @@ def generate_vless_config(vless_params: dict) -> dict:
     return config
 
 
+class ThreadingHTTPServer(socketserver.ThreadingTCPServer):
+    allow_reuse_address = True
+
+
 class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
     """HTTP Request Handler for Proxy Control"""
 
@@ -224,6 +334,8 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             self.get_status()
         elif self.path == "/subscription":
             self.get_subscription()
+        elif self.path.startswith("/test-connection"):
+            self.test_connection()
         elif self.path.startswith("/static/"):
             self.serve_static()
         else:
@@ -237,6 +349,8 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             self.fetch_subscription()
         elif self.path == "/apply-subscription":
             self.apply_subscription()
+        elif self.path == "/ping-target":
+            self.ping_target()
         else:
             self.send_error(404)
 
@@ -290,10 +404,43 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             self.send_json({
                 "saved": True,
                 "url": sub.get("url"),
-                "selectedServer": sub.get("selectedServer")
+                "selectedServer": sub.get("selectedServer"),
+                "userInfo": sub.get("userInfo")
             })
         else:
             self.send_json({"saved": False})
+    
+    def test_connection(self):
+        """Test active proxy connection"""
+        query_components = {}
+        if '?' in self.path:
+            _, query = self.path.split('?', 1)
+            query_components = parse_qs(query)
+            
+        enable_speed = query_components.get('speed', ['false'])[0].lower() == 'true'
+        
+        result = measure_proxy_performance(enable_speed_test=enable_speed)
+        self.send_json(result)
+
+    def ping_target(self):
+        """Ping a specific target"""
+        try:
+            content_length = int(self.headers.get("Content-Length", 0))
+            body = self.rfile.read(content_length).decode("utf-8")
+            data = json.loads(body)
+            
+            server = data.get("server")
+            port = int(data.get("port", 443))
+            
+            if not server:
+                self.send_json({"error": "No server specified"}, 400)
+                return
+
+            latency = measure_tcp_latency(server, port)
+            self.send_json({"latency": latency})
+            
+        except Exception as e:
+            self.send_json({"error": str(e)}, 500)
 
     def apply_config(self):
         """Apply new config from VLESS URL"""
@@ -372,6 +519,20 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
                 with urllib.request.urlopen(req, timeout=15) as response:
                     config_text = response.read().decode("utf-8")
                     config = json.loads(config_text)
+                    
+                    # Parse User Info header
+                    user_info_header = response.headers.get("subscription-userinfo", "")
+                    user_info = {}
+                    if user_info_header:
+                        parts = user_info_header.split(';')
+                        for part in parts:
+                            if '=' in part:
+                                key, value = part.strip().split('=', 1)
+                                try:
+                                    user_info[key] = int(value)
+                                except ValueError:
+                                    pass
+
             except urllib.error.HTTPError as e:
                 self.send_json({"success": False, "error": f"Ошибка HTTP: {e.code}"}, 400)
                 return
@@ -389,7 +550,7 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
                         "tag": outbound.get("tag", "unknown"),
                         "type": outbound.get("type"),
                         "server": outbound.get("server", "unknown"),
-                        "port": outbound.get("server_port", 443)
+                        "server_port": outbound.get("server_port", 443)
                     })
 
             if not servers:
@@ -399,7 +560,8 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             self.send_json({
                 "success": True,
                 "servers": servers,
-                "config": config
+                "config": config,
+                "userInfo": user_info
             })
 
         except json.JSONDecodeError:
@@ -417,6 +579,7 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             config = data.get("config")
             selected_tag = data.get("selectedServer")
             sub_url = data.get("subUrl")  # URL подписки для сохранения
+            user_info = data.get("userInfo")
 
             if not config:
                 self.send_json({"success": False, "error": "Конфигурация не указана"}, 400)
@@ -448,7 +611,6 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             new_outbounds.insert(0, selected_outbound)
 
             # Update route - remove incompatible fields and set only final
-            # Some subscription configs have route.rules with "action" field which is not supported
             routes = {
                 "final": selected_tag,
                 "auto_detect_interface": True
@@ -463,8 +625,7 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
             config.pop("platform", None)
             config.pop("experimental", None)
 
-            # Replace TUN inbounds with mixed proxy (TUN requires privileges in Docker)
-            # Use mixed proxy on 127.0.0.1:2412 instead
+            # Replace TUN inbounds with mixed proxy
             config["inbounds"] = [
                 {
                     "tag": "mixed-in",
@@ -488,7 +649,7 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
 
             # Save subscription URL for persistence
             if sub_url:
-                save_subscription(sub_url, selected_tag)
+                save_subscription(sub_url, selected_tag, user_info)
 
             # Trigger reload via internal control port
             try:
@@ -509,7 +670,8 @@ class ProxyControlHandler(http.server.BaseHTTPRequestHandler):
 
 def main():
     """Start the web server"""
-    with socketserver.TCPServer(("", PORT), ProxyControlHandler) as httpd:
+    # Use ThreadingTCPServer for concurrent requests
+    with ThreadingHTTPServer(("", PORT), ProxyControlHandler) as httpd:
         print(f"[WebUI] Server started on port {PORT}")
         print(f"[WebUI] Open http://localhost:{PORT} in your browser")
         httpd.serve_forever()