zmirror.py 文件源码

def filter_client_request():
    """??????, ??????????
    :rtype: Union[Response, None]
    """
    dbgprint('Client Request Url: ', request.url)

    # crossdomain.xml
    if os.path.basename(request.path) == 'crossdomain.xml':
        dbgprint('crossdomain.xml hit from', request.url)
        return crossdomain_xml()

    # Global whitelist ua
    if check_global_ua_pass(str(request.user_agent)):
        return None

    if is_deny_spiders_by_403 and is_denied_because_of_spider(str(request.user_agent)):
        return generate_simple_resp_page(b'Spiders Are Not Allowed To This Site', 403)

    if human_ip_verification_enabled and (
                ((human_ip_verification_whitelist_from_cookies or enable_custom_access_cookie_generate_and_verify)
                 and must_verify_cookies)
            or is_ip_not_in_allow_range(request.remote_addr)
    ):
        dbgprint('ip', request.remote_addr, 'is verifying cookies')
        if 'zmirror_verify' in request.cookies and \
                ((human_ip_verification_whitelist_from_cookies and verify_ip_hash_cookie(request.cookies.get('zmirror_verify')))
                 or (enable_custom_access_cookie_generate_and_verify and custom_verify_access_cookie(
                        request.cookies.get('zmirror_verify'), request))):
            ip_whitelist_add(request.remote_addr, info_record_dict=request.cookies.get('zmirror_verify'))
            dbgprint('add to ip_whitelist because cookies:', request.remote_addr)
        else:
            return redirect(
                "/ip_ban_verify_page?origin=" + base64.urlsafe_b64encode(str(request.url).encode(encoding='utf-8')).decode(
                    encoding='utf-8'),
                code=302)

    return None