Files
live-hub-py/web/backend/services/login_service.py
T
2026-06-22 15:45:48 +08:00

250 lines
9.2 KiB
Python

"""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
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.utcnow()
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.utcnow()
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