from datetime import datetime, timedelta, timezone import asyncio import httpx import json from sqlalchemy import select from sqlalchemy.ext.asyncio import AsyncSession from app.models.user_oauth import UserOAuth from app.models.user_oauth_app import UserOAuthApp from app.models.base import async_session from app.config import settings from app.utils.redis import get_redis from app.utils.logger import get_logger REDIS_KEY = "douyin:tokens" logger = get_logger("token_refresh", "token_refresh") REFRESH_THRESHOLD_SECONDS = 800 CHECK_INTERVAL_MINUTES = 5 async def _update_redis_token(oauth_id: str, token: str, expired_at: datetime): """更新Redis缓存中的token""" redis = get_redis() if not redis: logger.warning("Redis连接未配置，跳过缓存更新") return try: cache = { "token": token, "expired_at": expired_at.isoformat(), } await redis.hset(REDIS_KEY, oauth_id, json.dumps(cache)) logger.info(f"Redis缓存已更新: oauth_id={oauth_id}") except Exception as e: logger.error(f"更新Redis缓存失败: {str(e)}") async def refresh_juliang_token(oauth: UserOAuth, app: UserOAuthApp, db: AsyncSession): """刷新巨量引擎token""" try: async with httpx.AsyncClient() as client: url = "https://api.oceanengine.com/open_api/oauth2/refresh_token/" response = await client.post( url, json={ "app_id": app.app_id, "secret": app.secret, "refresh_token": oauth.refresh_token, }, ) response.raise_for_status() data = response.json() if data.get("code") != 0: logger.error(f"刷新巨量引擎token失败: oauth_id={oauth.id}, 错误信息: {data}") #如果code=40103或者40107，传入refresh_token已失效，失效原因一般是由于refresh_token已被使用，或授权账号重新授权并生成了新的Token if data.get("code") in [40103, 40107]: #清空数据库中的token信息，和Redis缓存中的token from sqlalchemy import update where_cond = UserOAuth.deleted_at.is_(None) if oauth.appid: where_cond = where_cond & (UserOAuth.appid == oauth.appid) if oauth.account_username: where_cond = where_cond & (UserOAuth.account_username == oauth.account_username) if oauth.account_userid: where_cond = where_cond & (UserOAuth.account_userid == oauth.account_userid) await db.execute( update(UserOAuth).where(where_cond).values( access_token=None, access_token_expired=None, refresh_token=None, refresh_token_expired=None, ) ) await db.commit() related_oauth_ids = await db.execute( select(UserOAuth.id).where(where_cond) ) related_oauth_ids = [row[0] for row in related_oauth_ids.all()] for related_id in related_oauth_ids: await _update_redis_token(related_id, "", None) return data = data.get("data", {}) new_access_token = data.get("access_token", "") new_refresh_token = data.get("refresh_token", "") expires_in = datetime.now(tz=oauth.access_token_expired.tzinfo) + timedelta(seconds=data.get("expires_in", 0)) refresh_token_expires_in = datetime.now(tz=oauth.refresh_token_expired.tzinfo) + timedelta(seconds=data.get("refresh_token_expires_in", 0)) from sqlalchemy import update where_cond = UserOAuth.deleted_at.is_(None) if oauth.appid: where_cond = where_cond & (UserOAuth.appid == oauth.appid) if oauth.account_username: where_cond = where_cond & (UserOAuth.account_username == oauth.account_username) if oauth.account_userid: where_cond = where_cond & (UserOAuth.account_userid == oauth.account_userid) await db.execute( update(UserOAuth).where(where_cond).values( access_token=new_access_token, access_token_expired=expires_in, refresh_token=new_refresh_token, refresh_token_expired=refresh_token_expires_in, ) ) await db.commit() related_oauth_ids = await db.execute( select(UserOAuth.id).where(where_cond) ) related_oauth_ids = [row[0] for row in related_oauth_ids.all()] for related_id in related_oauth_ids: await _update_redis_token(related_id, new_access_token, expires_in) logger.info(f"成功刷新巨量引擎token: oauth_id={oauth.id}, account_id={oauth.account_id}, 关联账户数={len(related_oauth_ids)}") except httpx.HTTPError as e: logger.error(f"HTTP请求失败: oauth_id={oauth.id}, 错误: {str(e)}") except Exception as e: logger.error(f"刷新巨量引擎token发生异常: oauth_id={oauth.id}, 错误: {str(e)}") async def check_and_refresh_tokens(): """检查并刷新即将过期的token""" async with async_session() as db: now = datetime.now(timezone.utc) query = select(UserOAuth).where( UserOAuth.deleted_at.is_(None), UserOAuth.refresh_token.is_not(None), UserOAuth.refresh_token_expired.is_not(None), UserOAuth.refresh_token_expired > now, ) result = await db.execute(query) oauth_list = result.scalars().all() refreshed_keys = set() for oauth in oauth_list: try: #检查是否为支持的平台（巨量引擎） # port_type: 平台端口（1=巨量，2=磁力，3=巨量星图，4=服务单，5=腾讯） if oauth.port_type not in [1]: continue #构建登录账号唯一标识，同一登录账号共享token key_parts = [] if oauth.appid: key_parts.append(oauth.appid) if oauth.account_username: key_parts.append(oauth.account_username) if oauth.account_userid: key_parts.append(oauth.account_userid) login_key = "|".join(key_parts) #同一登录账号已刷新过，直接跳过（避免使用旧数据判断） if login_key in refreshed_keys: logger.debug(f"跳过重复刷新: oauth_id={oauth.id}, 同一登录账号已刷新") continue #获取应用配置 app_result = await db.execute( select(UserOAuthApp).where(UserOAuthApp.app_id == oauth.appid) ) app = app_result.scalar_one_or_none() if not app: continue #检查access_token是否需要刷新 need_refresh = False # access_token为空，需要刷新 if not oauth.access_token: need_refresh = True # access_token_expired为空，需要刷新 elif not oauth.access_token_expired: need_refresh = True # access_token即将过期（剩余时间小于800秒），需要刷新 else: remaining_seconds = (oauth.access_token_expired - now).total_seconds() if remaining_seconds < REFRESH_THRESHOLD_SECONDS: need_refresh = True if not need_refresh: continue #refresh_token已在查询条件中过滤，确保有效才能刷新 #刷新token await refresh_juliang_token(oauth, app, db) refreshed_keys.add(login_key) except Exception as e: #7.增加错误日志 logger.error(f"刷新token失败: {str(e)}") async def token_refresh_scheduler(): """定时任务调度器""" while True: try: await check_and_refresh_tokens() except Exception as e: logger.error(f"定时任务token_refresh_scheduler执行失败: {str(e)}") await asyncio.sleep(CHECK_INTERVAL_MINUTES * 60) def start_token_refresh_task(): """启动token刷新定时任务""" logger.info("启动token刷新定时任务") asyncio.create_task(token_refresh_scheduler())