app.py 文件源码

def auth_factory(app, handler):
    '''
    middleware(???)???cookie?????????
    '''
    async def auth(request):
        logging.info('check user: %s %s' % (request.method, request.path))
        request.__user__ = None
        cookie_str = request.cookies.get(COOKIE_NAME)
        if cookie_str:
            # ??cookie???????????
            user = await cookie2user(cookie_str)
            if user:
                logging.info('set current user:%s' % user.email)
                request.__user__ = user
        if request.path.startswith('/manage/') and (request.__user__ is None or not request.__user__.admin):
            # HTTPFound: Exception->HTTPRedirection->302
            return web.HTTPFound('/signin')
        return (await handler(request)) 
    return auth