Allow saving/opening QR login image

core/app.py

@@ -116,6 +116,8 @@ class OverUB:
         await self.client.connect(
             login_mode=str(bot_cfg.get("login_mode", "phone")),
             phone=str(bot_cfg.get("phone", "")),
+            qr_path=bot_cfg.get("login_qr_path"),
+            qr_open=bool(bot_cfg.get("login_qr_open", False)),
         )
         await self.client.attach_handlers(self)
         await self._load_builtin_modules()

core/client.py

@@ -1,6 +1,9 @@
 from __future__ import annotations
 
 import asyncio
+import subprocess
+import sys
+from pathlib import Path
 from typing import Any, Optional
 
 from core.logger import get_logger
@@ -16,7 +19,13 @@ class ClientWrapper:
         self.session_name = session_name
         self.client: Any = None
 
-    async def connect(self, login_mode: str = "phone", phone: Optional[str] = None) -> None:
+    async def connect(
+        self,
+        login_mode: str = "phone",
+        phone: Optional[str] = None,
+        qr_path: Optional[str] = None,
+        qr_open: bool = False,
+    ) -> None:
         try:
             from telethon import TelegramClient
             from telethon.errors import SessionPasswordNeededError
@@ -35,7 +44,7 @@ class ClientWrapper:
                 logger.warning("QR login not supported by this Telethon version, falling back to phone login")
                 await self.client.start(phone=phone)
                 return
-            self._print_qr(qr.url)
+            self._print_qr(qr.url, qr_path=qr_path, qr_open=qr_open)
             try:
                 await qr.wait()
             except SessionPasswordNeededError:
@@ -119,10 +128,13 @@ class ClientWrapper:
         if self.client:
             await self.client.disconnected
 
-    def _print_qr(self, url: str) -> None:
+    def _print_qr(self, url: str, qr_path: Optional[str] = None, qr_open: bool = False) -> None:
         logger.info("QR login URL: %s", url)
         print("Telegram app -> Settings -> Devices -> Scan QR")
         print(f"If you cannot scan, try opening this URL on your phone: {url}")
+        saved_path = None
+        if qr_path:
+            saved_path = self._save_qr_image(url, qr_path)
         try:
             import qrcode
 
@@ -131,7 +143,33 @@ class ClientWrapper:
             qr.make(fit=True)
             qr.print_ascii(invert=True)
         except Exception:
-            return
+            pass
+        if qr_open and saved_path:
+            self._open_file(saved_path)
+
+    def _save_qr_image(self, url: str, qr_path: str) -> Optional[Path]:
+        try:
+            import qrcode
+        except Exception:
+            logger.warning("qrcode package not installed; cannot save QR image")
+            return None
+        path = Path(qr_path)
+        path.parent.mkdir(parents=True, exist_ok=True)
+        img = qrcode.make(url)
+        img.save(path)
+        logger.info("QR image saved to %s", path)
+        return path
+
+    def _open_file(self, path: Path) -> None:
+        try:
+            if sys.platform.startswith("darwin"):
+                subprocess.run(["open", str(path)], check=False)
+            elif sys.platform.startswith("win"):
+                subprocess.run(["cmd", "/c", "start", "", str(path)], check=False)
+            else:
+                subprocess.run(["xdg-open", str(path)], check=False)
+        except Exception:
+            logger.warning("Failed to open QR image automatically")
 
     async def _prompt(self, prompt: str) -> str:
         loop = asyncio.get_event_loop()