perf(auth): Make aiohttp auth server read-only
Refactored the aiohttp authentication server to be a purely read-only service. Removed all file write operations from the authentication logic to eliminate disk I/O and reduce CPU overhead during connection attempts. The responsibility for persistently blocking users by writing to `users.json` is now fully delegated to the external scheduler service, allowing the auth server to function as a faster, more efficient gatekeeper.
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@ -14,18 +14,16 @@ async def load_users(app):
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global users_data
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async with users_lock:
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if os.path.exists(USERS_FILE):
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async with aiofiles.open(USERS_FILE, 'r') as f:
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content = await f.read()
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users_data = json.loads(content)
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try:
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async with aiofiles.open(USERS_FILE, 'r') as f:
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content = await f.read()
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users_data = json.loads(content)
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except (IOError, json.JSONDecodeError):
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users_data = {}
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else:
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users_data = {}
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app['users_data'] = users_data
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async def save_users():
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async with users_lock:
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async with aiofiles.open(USERS_FILE, 'w') as f:
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await f.write(json.dumps(users_data, indent=4))
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async def authenticate(request):
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global users_data
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try:
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@ -50,7 +48,6 @@ async def authenticate(request):
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if user.get("password") != password:
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return web.json_response({"ok": False, "msg": "Invalid password"}, status=401)
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should_save = False
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expiration_days = user.get("expiration_days", 0)
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if expiration_days > 0:
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creation_date_str = user.get("account_creation_date")
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@ -58,20 +55,14 @@ async def authenticate(request):
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creation_date = datetime.strptime(creation_date_str, "%Y-%m-%d")
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expiration_date = creation_date + timedelta(days=expiration_days)
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if datetime.now() >= expiration_date:
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user["blocked"] = True
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should_save = True
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return web.json_response({"ok": False, "msg": "Account expired"}, status=401)
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max_bytes = user.get("max_download_bytes", 0)
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if max_bytes > 0:
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current_up = user.get("upload_bytes", 0)
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current_down = user.get("download_bytes", 0)
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if (current_up + current_down) >= max_bytes:
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user["blocked"] = True
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should_save = True
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if should_save:
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await save_users()
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return web.json_response({"ok": False, "msg": "User blocked due to limits"}, status=401)
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return web.json_response({"ok": False, "msg": "Data limit exceeded"}, status=401)
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return web.json_response({"ok": True, "id": username})
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