587 lines
20 KiB
Python
587 lines
20 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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线程安全的全局状态管理（P0 / O-01）
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约束：
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- 业务代码禁止直接读写底层 dict；必须通过本模块 safe_* API 访问
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- 读：要么持锁并返回副本，要么以“快照”的方式返回可迭代列表
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"""
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from __future__ import annotations
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import threading
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import time
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from typing import Any, Dict, List, Optional, Tuple
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from app_config import get_config
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config = get_config()
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# ==================== Active tasks（运行中的任务句柄） ====================
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_active_tasks: Dict[str, Any] = {}
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_active_tasks_lock = threading.RLock()
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def safe_set_task(account_id: str, handle: Any) -> None:
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with _active_tasks_lock:
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_active_tasks[account_id] = handle
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def safe_get_task(account_id: str) -> Any:
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with _active_tasks_lock:
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return _active_tasks.get(account_id)
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def safe_remove_task(account_id: str) -> Any:
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with _active_tasks_lock:
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return _active_tasks.pop(account_id, None)
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def safe_get_active_task_ids() -> List[str]:
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with _active_tasks_lock:
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return list(_active_tasks.keys())
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# ==================== Task status（前端展示状态） ====================
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_task_status: Dict[str, Dict[str, Any]] = {}
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_task_status_lock = threading.RLock()
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def safe_set_task_status(account_id: str, status_dict: Dict[str, Any]) -> None:
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with _task_status_lock:
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_task_status[account_id] = dict(status_dict or {})
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def safe_update_task_status(account_id: str, updates: Dict[str, Any]) -> bool:
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with _task_status_lock:
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if account_id not in _task_status:
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return False
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_task_status[account_id].update(updates or {})
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return True
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def safe_get_task_status(account_id: str) -> Dict[str, Any]:
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with _task_status_lock:
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value = _task_status.get(account_id)
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return dict(value) if value else {}
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def safe_remove_task_status(account_id: str) -> Dict[str, Any]:
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with _task_status_lock:
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return _task_status.pop(account_id, None)
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def safe_get_all_task_status() -> Dict[str, Dict[str, Any]]:
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with _task_status_lock:
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return {k: dict(v) for k, v in _task_status.items()}
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def safe_iter_task_status_items() -> List[Tuple[str, Dict[str, Any]]]:
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with _task_status_lock:
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return [(k, dict(v)) for k, v in _task_status.items()]
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# ==================== User accounts cache（账号对象缓存） ====================
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_user_accounts: Dict[int, Dict[str, Any]] = {}
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_user_accounts_last_access: Dict[int, float] = {}
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_user_accounts_lock = threading.RLock()
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def safe_touch_user_accounts(user_id: int) -> None:
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now_ts = time.time()
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with _user_accounts_lock:
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_user_accounts_last_access[int(user_id)] = now_ts
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def safe_get_user_accounts_last_access_items() -> List[Tuple[int, float]]:
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with _user_accounts_lock:
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return list(_user_accounts_last_access.items())
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def safe_get_user_accounts_snapshot(user_id: int) -> Dict[str, Any]:
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with _user_accounts_lock:
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return dict(_user_accounts.get(int(user_id), {}))
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def safe_set_user_accounts(user_id: int, accounts_by_id: Dict[str, Any]) -> None:
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with _user_accounts_lock:
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_user_accounts[int(user_id)] = dict(accounts_by_id or {})
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_user_accounts_last_access[int(user_id)] = time.time()
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def safe_get_account(user_id: int, account_id: str) -> Any:
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with _user_accounts_lock:
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return _user_accounts.get(int(user_id), {}).get(account_id)
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def safe_set_account(user_id: int, account_id: str, account_obj: Any) -> None:
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with _user_accounts_lock:
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uid = int(user_id)
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if uid not in _user_accounts:
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_user_accounts[uid] = {}
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_user_accounts[uid][account_id] = account_obj
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_user_accounts_last_access[uid] = time.time()
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def safe_remove_account(user_id: int, account_id: str) -> Any:
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with _user_accounts_lock:
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uid = int(user_id)
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if uid not in _user_accounts:
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return None
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return _user_accounts[uid].pop(account_id, None)
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def safe_remove_user_accounts(user_id: int) -> None:
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with _user_accounts_lock:
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uid = int(user_id)
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_user_accounts.pop(uid, None)
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_user_accounts_last_access.pop(uid, None)
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def safe_iter_user_accounts_items() -> List[Tuple[int, Dict[str, Any]]]:
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with _user_accounts_lock:
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return [(uid, dict(accounts)) for uid, accounts in _user_accounts.items()]
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def safe_has_user(user_id: int) -> bool:
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with _user_accounts_lock:
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return int(user_id) in _user_accounts
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# ==================== Log cache（用户维度日志缓存） ====================
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_log_cache: Dict[int, List[Dict[str, Any]]] = {}
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_log_cache_lock = threading.RLock()
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_log_cache_total_count = 0
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def safe_add_log(
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user_id: int,
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log_entry: Dict[str, Any],
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*,
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max_logs_per_user: Optional[int] = None,
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max_total_logs: Optional[int] = None,
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) -> None:
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global _log_cache_total_count
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uid = int(user_id)
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max_logs_per_user = int(max_logs_per_user or config.MAX_LOGS_PER_USER)
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max_total_logs = int(max_total_logs or config.MAX_TOTAL_LOGS)
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with _log_cache_lock:
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if uid not in _log_cache:
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_log_cache[uid] = []
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if len(_log_cache[uid]) >= max_logs_per_user:
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_log_cache[uid].pop(0)
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_log_cache_total_count = max(0, _log_cache_total_count - 1)
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_log_cache[uid].append(dict(log_entry or {}))
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_log_cache_total_count += 1
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while _log_cache_total_count > max_total_logs:
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if not _log_cache:
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break
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max_user = max(_log_cache.keys(), key=lambda u: len(_log_cache[u]))
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if _log_cache.get(max_user):
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_log_cache[max_user].pop(0)
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_log_cache_total_count -= 1
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else:
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break
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def safe_get_user_logs(user_id: int) -> List[Dict[str, Any]]:
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uid = int(user_id)
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with _log_cache_lock:
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return list(_log_cache.get(uid, []))
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def safe_clear_user_logs(user_id: int) -> None:
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global _log_cache_total_count
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uid = int(user_id)
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with _log_cache_lock:
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removed = len(_log_cache.get(uid, []))
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_log_cache.pop(uid, None)
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_log_cache_total_count = max(0, _log_cache_total_count - removed)
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def safe_get_log_cache_total_count() -> int:
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with _log_cache_lock:
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return int(_log_cache_total_count)
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# ==================== Captcha storage（验证码存储） ====================
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_captcha_storage: Dict[str, Dict[str, Any]] = {}
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_captcha_storage_lock = threading.RLock()
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def safe_set_captcha(session_id: str, captcha_data: Dict[str, Any]) -> None:
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with _captcha_storage_lock:
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_captcha_storage[str(session_id)] = dict(captcha_data or {})
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def safe_cleanup_expired_captcha(now_ts: Optional[float] = None) -> int:
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now_ts = float(now_ts if now_ts is not None else time.time())
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with _captcha_storage_lock:
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expired = [k for k, v in _captcha_storage.items() if float(v.get("expire_time", 0) or 0) < now_ts]
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for k in expired:
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_captcha_storage.pop(k, None)
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return len(expired)
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def safe_delete_captcha(session_id: str) -> None:
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with _captcha_storage_lock:
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_captcha_storage.pop(str(session_id), None)
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def safe_verify_and_consume_captcha(session_id: str, code: str, *, max_attempts: Optional[int] = None) -> Tuple[bool, str]:
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max_attempts = int(max_attempts or config.MAX_CAPTCHA_ATTEMPTS)
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with _captcha_storage_lock:
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captcha_data = _captcha_storage.pop(str(session_id), None)
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if captcha_data is None:
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return False, "验证码已过期或不存在，请重新获取"
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try:
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if float(captcha_data.get("expire_time", 0) or 0) < time.time():
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return False, "验证码已过期，请重新获取"
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failed_attempts = int(captcha_data.get("failed_attempts", 0) or 0)
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if failed_attempts >= max_attempts:
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return False, f"验证码错误次数过多（{max_attempts}次），请重新获取"
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expected = str(captcha_data.get("code", "") or "").lower()
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actual = str(code or "").lower()
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if expected != actual:
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failed_attempts += 1
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captcha_data["failed_attempts"] = failed_attempts
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if failed_attempts < max_attempts:
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_captcha_storage[str(session_id)] = captcha_data
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return False, "验证码错误"
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return True, "验证成功"
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except Exception:
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return False, "验证码验证失败，请重新获取"
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# ==================== IP rate limit（验证码失败限流） ====================
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_ip_rate_limit: Dict[str, Dict[str, Any]] = {}
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_ip_rate_limit_lock = threading.RLock()
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def check_ip_rate_limit(
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ip_address: str,
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*,
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max_attempts_per_hour: Optional[int] = None,
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lock_duration_seconds: Optional[int] = None,
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) -> Tuple[bool, Optional[str]]:
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current_time = time.time()
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max_attempts_per_hour = int(max_attempts_per_hour or config.MAX_IP_ATTEMPTS_PER_HOUR)
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lock_duration_seconds = int(lock_duration_seconds or config.IP_LOCK_DURATION)
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with _ip_rate_limit_lock:
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expired_ips = []
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for ip, data in _ip_rate_limit.items():
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lock_expired = float(data.get("lock_until", 0) or 0) < current_time
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first_attempt = data.get("first_attempt")
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attempt_expired = first_attempt is None or (current_time - float(first_attempt)) > 3600
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if lock_expired and attempt_expired:
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expired_ips.append(ip)
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for ip in expired_ips:
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_ip_rate_limit.pop(ip, None)
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ip_key = str(ip_address)
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if ip_key in _ip_rate_limit:
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ip_data = _ip_rate_limit[ip_key]
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if float(ip_data.get("lock_until", 0) or 0) > current_time:
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remaining_time = int(float(ip_data["lock_until"]) - current_time)
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return False, f"IP已被锁定,请{remaining_time // 60 + 1}分钟后再试"
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first_attempt = ip_data.get("first_attempt")
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if first_attempt is None or current_time - float(first_attempt) > 3600:
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_ip_rate_limit[ip_key] = {"attempts": 0, "first_attempt": current_time}
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return True, None
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def record_failed_captcha(
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ip_address: str,
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*,
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max_attempts_per_hour: Optional[int] = None,
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lock_duration_seconds: Optional[int] = None,
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) -> bool:
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current_time = time.time()
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max_attempts_per_hour = int(max_attempts_per_hour or config.MAX_IP_ATTEMPTS_PER_HOUR)
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lock_duration_seconds = int(lock_duration_seconds or config.IP_LOCK_DURATION)
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with _ip_rate_limit_lock:
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ip_key = str(ip_address)
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if ip_key not in _ip_rate_limit:
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_ip_rate_limit[ip_key] = {"attempts": 1, "first_attempt": current_time}
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else:
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_ip_rate_limit[ip_key]["attempts"] = int(_ip_rate_limit[ip_key].get("attempts", 0) or 0) + 1
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if int(_ip_rate_limit[ip_key].get("attempts", 0) or 0) >= max_attempts_per_hour:
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_ip_rate_limit[ip_key]["lock_until"] = current_time + lock_duration_seconds
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return True
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return False
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def cleanup_expired_ip_rate_limits(now_ts: Optional[float] = None) -> int:
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now_ts = float(now_ts if now_ts is not None else time.time())
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with _ip_rate_limit_lock:
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expired_ips = []
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for ip, data in _ip_rate_limit.items():
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lock_until = float(data.get("lock_until", 0) or 0)
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first_attempt = float(data.get("first_attempt", 0) or 0)
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if lock_until < now_ts and (now_ts - first_attempt) > 3600:
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expired_ips.append(ip)
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for ip in expired_ips:
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_ip_rate_limit.pop(ip, None)
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return len(expired_ips)
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def safe_get_ip_lock_until(ip_address: str) -> float:
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"""获取指定 IP 的锁定截至时间戳（未锁定返回 0）。"""
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ip_key = str(ip_address)
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with _ip_rate_limit_lock:
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data = _ip_rate_limit.get(ip_key) or {}
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try:
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return float(data.get("lock_until", 0) or 0)
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except Exception:
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return 0.0
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# ==================== IP request rate limit（接口频率限制） ====================
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_ip_request_rate: Dict[str, Dict[str, Any]] = {}
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_ip_request_rate_lock = threading.RLock()
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def _get_action_rate_limit(action: str) -> Tuple[int, int]:
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action = str(action or "").lower()
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if action == "register":
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return int(config.IP_RATE_LIMIT_REGISTER_MAX), int(config.IP_RATE_LIMIT_REGISTER_WINDOW_SECONDS)
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if action == "email":
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return int(config.IP_RATE_LIMIT_EMAIL_MAX), int(config.IP_RATE_LIMIT_EMAIL_WINDOW_SECONDS)
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return int(config.IP_RATE_LIMIT_LOGIN_MAX), int(config.IP_RATE_LIMIT_LOGIN_WINDOW_SECONDS)
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def check_ip_request_rate(
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ip_address: str,
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action: str,
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*,
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max_requests: Optional[int] = None,
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window_seconds: Optional[int] = None,
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) -> Tuple[bool, Optional[str]]:
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now_ts = time.time()
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default_max, default_window = _get_action_rate_limit(action)
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max_requests = int(max_requests or default_max)
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window_seconds = int(window_seconds or default_window)
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key = f"{action}:{ip_address}"
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with _ip_request_rate_lock:
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data = _ip_request_rate.get(key)
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if not data or (now_ts - float(data.get("window_start", 0) or 0)) >= window_seconds:
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data = {"window_start": now_ts, "count": 0}
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_ip_request_rate[key] = data
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if int(data.get("count", 0) or 0) >= max_requests:
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remaining = max(1, int(window_seconds - (now_ts - float(data.get("window_start", 0) or 0))))
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if remaining >= 60:
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wait_hint = f"{remaining // 60 + 1}分钟"
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else:
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wait_hint = f"{remaining}秒"
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return False, f"请求过于频繁，请{wait_hint}后再试"
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data["count"] = int(data.get("count", 0) or 0) + 1
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return True, None
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def cleanup_expired_ip_request_rates(now_ts: Optional[float] = None) -> int:
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now_ts = float(now_ts if now_ts is not None else time.time())
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removed = 0
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with _ip_request_rate_lock:
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for key in list(_ip_request_rate.keys()):
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data = _ip_request_rate.get(key) or {}
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action = key.split(":", 1)[0]
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_, window_seconds = _get_action_rate_limit(action)
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window_start = float(data.get("window_start", 0) or 0)
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if now_ts - window_start >= window_seconds:
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_ip_request_rate.pop(key, None)
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removed += 1
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return removed
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# ==================== 登录失败追踪（触发验证码） ====================
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_login_failures: Dict[str, Dict[str, Any]] = {}
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_login_failures_lock = threading.RLock()
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def _get_login_captcha_config() -> Tuple[int, int]:
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return int(config.LOGIN_CAPTCHA_AFTER_FAILURES), int(config.LOGIN_CAPTCHA_WINDOW_SECONDS)
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def record_login_failure(ip_address: str) -> None:
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now_ts = time.time()
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max_failures, window_seconds = _get_login_captcha_config()
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ip_key = str(ip_address or "")
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with _login_failures_lock:
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data = _login_failures.get(ip_key)
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if not data or (now_ts - float(data.get("first_failed", 0) or 0)) > window_seconds:
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data = {"first_failed": now_ts, "count": 0}
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_login_failures[ip_key] = data
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data["count"] = int(data.get("count", 0) or 0) + 1
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if int(data["count"]) > max_failures * 5:
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data["count"] = max_failures * 5
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def clear_login_failures(ip_address: str) -> None:
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ip_key = str(ip_address or "")
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with _login_failures_lock:
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_login_failures.pop(ip_key, None)
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|
||
def check_login_captcha_required(ip_address: str) -> bool:
|
||
now_ts = time.time()
|
||
max_failures, window_seconds = _get_login_captcha_config()
|
||
ip_key = str(ip_address or "")
|
||
with _login_failures_lock:
|
||
data = _login_failures.get(ip_key)
|
||
if not data:
|
||
return False
|
||
if (now_ts - float(data.get("first_failed", 0) or 0)) > window_seconds:
|
||
_login_failures.pop(ip_key, None)
|
||
return False
|
||
return int(data.get("count", 0) or 0) >= max_failures
|
||
|
||
|
||
# ==================== Batch screenshots（批次任务截图收集） ====================
|
||
|
||
_batch_task_screenshots: Dict[str, Dict[str, Any]] = {}
|
||
_batch_task_lock = threading.RLock()
|
||
|
||
|
||
def safe_create_batch(batch_id: str, batch_info: Dict[str, Any]) -> None:
|
||
with _batch_task_lock:
|
||
_batch_task_screenshots[str(batch_id)] = dict(batch_info or {})
|
||
|
||
|
||
def safe_get_batch(batch_id: str) -> Optional[Dict[str, Any]]:
|
||
with _batch_task_lock:
|
||
info = _batch_task_screenshots.get(str(batch_id))
|
||
return dict(info) if info else None
|
||
|
||
|
||
def safe_update_batch(batch_id: str, updates: Dict[str, Any]) -> bool:
|
||
with _batch_task_lock:
|
||
if str(batch_id) not in _batch_task_screenshots:
|
||
return False
|
||
_batch_task_screenshots[str(batch_id)].update(dict(updates or {}))
|
||
return True
|
||
|
||
|
||
def safe_pop_batch(batch_id: str) -> Optional[Dict[str, Any]]:
|
||
with _batch_task_lock:
|
||
return _batch_task_screenshots.pop(str(batch_id), None)
|
||
|
||
|
||
def safe_batch_append_result(batch_id: str, result: Dict[str, Any]) -> Optional[Dict[str, Any]]:
|
||
now_ts = time.time()
|
||
with _batch_task_lock:
|
||
info = _batch_task_screenshots.get(str(batch_id))
|
||
if not info:
|
||
return None
|
||
info.setdefault("screenshots", []).append(dict(result or {}))
|
||
info["completed"] = int(info.get("completed", 0) or 0) + 1
|
||
info["updated_at"] = now_ts
|
||
total = int(info.get("total_accounts", 0) or 0)
|
||
if total > 0 and int(info.get("completed", 0) or 0) >= total:
|
||
return _batch_task_screenshots.pop(str(batch_id), None)
|
||
return None
|
||
|
||
|
||
def safe_cleanup_expired_batches(expire_seconds: int, now_ts: Optional[float] = None) -> int:
|
||
now_ts = float(now_ts if now_ts is not None else time.time())
|
||
expire_seconds = max(1, int(expire_seconds))
|
||
with _batch_task_lock:
|
||
expired = []
|
||
for batch_id, info in list(_batch_task_screenshots.items()):
|
||
last_ts = info.get("updated_at") or info.get("created_at") or info.get("created_time") or now_ts
|
||
if (now_ts - float(last_ts)) > expire_seconds:
|
||
expired.append(batch_id)
|
||
for batch_id in expired:
|
||
_batch_task_screenshots.pop(batch_id, None)
|
||
return len(expired)
|
||
|
||
|
||
def safe_finalize_batch_after_dispatch(batch_id: str, total_accounts: int, *, now_ts: Optional[float] = None) -> Optional[Dict[str, Any]]:
|
||
"""定时批次任务：更新总账号数，并在“已完成>=总数”时弹出批次数据用于发邮件。"""
|
||
now_ts = float(now_ts if now_ts is not None else time.time())
|
||
with _batch_task_lock:
|
||
info = _batch_task_screenshots.get(str(batch_id))
|
||
if not info:
|
||
return None
|
||
info["total_accounts"] = int(total_accounts or 0)
|
||
info["updated_at"] = now_ts
|
||
|
||
if int(total_accounts or 0) <= 0:
|
||
_batch_task_screenshots.pop(str(batch_id), None)
|
||
return None
|
||
|
||
if int(info.get("completed", 0) or 0) >= int(total_accounts):
|
||
return _batch_task_screenshots.pop(str(batch_id), None)
|
||
return None
|
||
|
||
|
||
# ==================== Pending random schedules（兼容旧随机延迟逻辑） ====================
|
||
|
||
_pending_random_schedules: Dict[int, Dict[str, Any]] = {}
|
||
_pending_random_lock = threading.RLock()
|
||
|
||
|
||
def safe_set_pending_random_schedule(schedule_id: int, info: Dict[str, Any]) -> None:
|
||
with _pending_random_lock:
|
||
_pending_random_schedules[int(schedule_id)] = dict(info or {})
|
||
|
||
|
||
def safe_get_pending_random_schedule(schedule_id: int) -> Optional[Dict[str, Any]]:
|
||
with _pending_random_lock:
|
||
value = _pending_random_schedules.get(int(schedule_id))
|
||
return dict(value) if value else None
|
||
|
||
|
||
def safe_pop_pending_random_schedule(schedule_id: int) -> Optional[Dict[str, Any]]:
|
||
with _pending_random_lock:
|
||
return _pending_random_schedules.pop(int(schedule_id), None)
|
||
|
||
|
||
def safe_iter_pending_random_schedules_items() -> List[Tuple[int, Dict[str, Any]]]:
|
||
with _pending_random_lock:
|
||
return [(sid, dict(info)) for sid, info in _pending_random_schedules.items()]
|
||
|
||
|
||
def safe_cleanup_expired_pending_random(expire_seconds: int, now_ts: Optional[float] = None) -> int:
|
||
now_ts = float(now_ts if now_ts is not None else time.time())
|
||
expire_seconds = max(1, int(expire_seconds))
|
||
with _pending_random_lock:
|
||
expired = []
|
||
for schedule_id, info in list(_pending_random_schedules.items()):
|
||
created_at = info.get("created_at") or info.get("created_time") or now_ts
|
||
if (now_ts - float(created_at)) > expire_seconds:
|
||
expired.append(schedule_id)
|
||
for schedule_id in expired:
|
||
_pending_random_schedules.pop(int(schedule_id), None)
|
||
return len(expired)
|