"""登录服务：复用 core/ 核心模块，在线程池中并发执行登录并推送日志。""" import asyncio import threading import uuid from concurrent.futures import ThreadPoolExecutor, as_completed from datetime import datetime, timezone from typing import Optional from sqlalchemy.orm import Session from core.douyu import DouyuLogin from core.models import Account, ProxyConfig as DouyuProxyConfig from core.douyu.proxy import resolve_working_proxy from ..models import Account as AccountModel, LoginTask, ProxyConfig as ProxyConfigModel from ..permissions import has_permission class LoginBatchRunner: """批量登录执行器，在线程中运行，通过 ThreadPoolExecutor 并发登录多个账号。""" def __init__( self, db: Session, account_ids: list[int], created_by: int, creator_role: str, max_geetest_retries: int = 5, proxy_config: Optional[ProxyConfigModel] = None, log_queue: Optional[asyncio.Queue] = None, loop: Optional[asyncio.AbstractEventLoop] = None, concurrency: int = 3, ): self.db = db self.account_ids = account_ids self.created_by = created_by self.creator_role = creator_role self.max_geetest_retries = max_geetest_retries self.proxy_config = proxy_config self.log_queue = log_queue self.loop = loop self.batch_id = uuid.uuid4().hex[:12] self.concurrency = max(1, min(concurrency, 10)) # 限制 1-10 self._stop = threading.Event() self._counter_lock = threading.Lock() self._completed = 0 def stop(self): self._stop.set() def _push_log(self, level: str, message: str): if self.log_queue and self.loop: asyncio.run_coroutine_threadsafe( self.log_queue.put({"level": level, "message": message}), self.loop, ) def _resolve_proxy(self) -> tuple[Optional[dict], str]: """ 解析代理配置，返回 (proxy_dict, message)。 - 静态代理：直接返回 dict - API代理：调用 resolve_working_proxy 预检，自动同步白名单 - 无代理：返回 (None, '') """ if not self.proxy_config or not self.proxy_config.enabled: return None, '' # 静态代理 if self.proxy_config.http or self.proxy_config.https: proxy_url = self.proxy_config.http or self.proxy_config.https return {'http': proxy_url, 'https': proxy_url}, f'使用静态代理: {proxy_url}' # API代理：预检获取可用代理 if self.proxy_config.api_url: whitelist_uid = '' whitelist_ukey = '' if self.proxy_config.whitelist_enabled: whitelist_uid = self.proxy_config.whitelist_uid or '' whitelist_ukey = self.proxy_config.whitelist_ukey or '' proxy_url, msg = resolve_working_proxy( api_url=self.proxy_config.api_url, whitelist_uid=whitelist_uid, whitelist_ukey=whitelist_ukey, log_func=self._push_log, ) if proxy_url: return {'http': proxy_url, 'https': proxy_url}, msg return None, msg return None, '' def _execute_one(self, task_id: int, acc_info: dict, proxy_dict: Optional[dict], total: int): """在独立线程中执行单个账号登录，使用独立的 DB 会话。""" if self._stop.is_set(): self._push_log("warning", f"任务已停止，跳过: {acc_info['username']}") return worker_db = SessionLocal() try: task = worker_db.query(LoginTask).filter(LoginTask.id == task_id).first() if not task: return task.status = "running" worker_db.commit() with self._counter_lock: self._completed += 1 current = self._completed self._push_log("info", f"[{current}/{total}] 开始登录: {acc_info['username']}") try: account = Account( username=acc_info["username"], password=acc_info["password"], email=acc_info["email"], email_password=acc_info["email_password"], email_imap_server=acc_info["email_imap_server"] or "", email_imap_port=acc_info["email_imap_port"] or 993, ) loginer = DouyuLogin( account, proxy=proxy_dict, max_geetest_retries=self.max_geetest_retries, ) result = loginer.login() if result.success: task.status = "success" task.cookie = result.cookie task.message = "登录成功" self._push_log("success", f"[{current}] {acc_info['username']} 登录成功") else: task.status = "failed" task.message = result.message self._push_log("error", f"[{current}] {acc_info['username']} 登录失败: {result.message}") except Exception as e: task.status = "error" task.message = str(e) self._push_log("error", f"[{current}] {acc_info['username']} 登录异常: {e}") task.finished_at = datetime.now(timezone.utc) worker_db.commit() finally: worker_db.close() def run(self): """在线程中执行批量登录。""" batch_id = self.batch_id concurrency = self.concurrency self._push_log("info", f"批量登录任务 {batch_id} 开始，共 {len(self.account_ids)} 个账号，并发数: {concurrency}") # 创建任务记录（顺序执行，线程安全） task_infos: list[dict] = [] # {task_id, acc_info} for aid in self.account_ids: acc = self.db.query(AccountModel).filter(AccountModel.id == aid).first() if not acc: continue # 权限检查：客服只能跑分配给自己的 if not has_permission(self.creator_role, "login:view_all"): if acc.assigned_to != self.created_by: self._push_log("warning", f"跳过无权账号: {acc.username}") continue task = LoginTask( batch_id=batch_id, account_id=aid, status="pending", created_by=self.created_by, ) self.db.add(task) self.db.flush() # 获取 task.id task_infos.append({ "task_id": task.id, "acc_info": { "username": acc.username, "password": acc.password, "email": acc.email, "email_password": acc.email_password, "email_imap_server": acc.email_imap_server or "", "email_imap_port": acc.email_imap_port or 993, }, }) self.db.commit() total = len(task_infos) if total == 0: self._push_log("warning", "没有可执行的账号") self._push_log("result", "") return # 代理预检 proxy_dict, proxy_msg = self._resolve_proxy() if proxy_msg: self._push_log("info", proxy_msg) # 如果启用了代理但预检失败，终止任务 if self.proxy_config and self.proxy_config.enabled and not proxy_dict: self._push_log("error", f"代理不可用，任务终止: {proxy_msg}") for item in task_infos: worker_db = SessionLocal() try: task = worker_db.query(LoginTask).filter(LoginTask.id == item["task_id"]).first() if task: task.status = "error" task.message = f"代理不可用: {proxy_msg}" task.finished_at = datetime.now(timezone.utc) worker_db.commit() finally: worker_db.close() self._push_log("result", "") return # 并发执行登录 with ThreadPoolExecutor(max_workers=concurrency) as executor: futures = [] for item in task_infos: if self._stop.is_set(): self._push_log("warning", "任务已停止，跳过剩余账号") break future = executor.submit( self._execute_one, item["task_id"], item["acc_info"], proxy_dict, total, ) futures.append(future) # 等待所有任务完成 for future in as_completed(futures): try: future.result() except Exception as e: self._push_log("error", f"Worker 异常: {e}") self._push_log("info", f"批量登录任务 {batch_id} 完成") self._push_log("result", "") # 在模块末尾导入 SessionLocal（避免循环导入） from ..database import SessionLocal