Using Selenium and Python to Identify Who Has Blocked You on QQ Space

The author describes a step‑by‑step process for building a small Python crawler that discovers which QQ friends have blocked the user on QQ Space. It begins with setting up the Python environment (Python 3.7.4) and installing third‑party libraries such as requests , lxml , threadpool , and selenium .

Login and Cookie Retrieval

def search_cookie():
    if not __import__('os').path.exists('cookie_dict.txt'):
        get_cookie_json()
    with open('cookie_dict.txt', 'r') as f:
        cookie = json.load(f)
    return cookie

def get_cookie_json():
    qq_number = input('请输入qq号:')
    password = __import__('getpass').getpass('请输入qq密码:')
    from selenium import webdriver
    login_url = 'https://i.qq.com/'
    chrome_options = Options()
    chrome_options.add_argument('--headless')
    driver = webdriver.Chrome(options=chrome_options)
    driver.get(login_url)
    driver.switch_to_frame('login_frame')
    driver.find_element_by_xpath('//*[@id="switcher_plogin"]').click()
    time.sleep(1)
    driver.find_element_by_xpath('//*[@id="u"]').send_keys(qq_number)
    driver.find_element_by_xpath('//*[@id="p"]').send_keys(password)
    time.sleep(1)
    driver.find_element_by_xpath('//*[@id="login_button"]').click()
    time.sleep(1)
    cookie_list = driver.get_cookies()
    cookie_dict = {}
    for cookie in cookie_list:
        if 'name' in cookie and 'value' in cookie:
            cookie_dict[cookie['name']] = cookie['value']
    with open('cookie_dict.txt', 'w') as f:
        json.dump(cookie_dict, f)
    return True

Finding the Friend List API

By inspecting the network traffic in the QQ Space friend page (using the browser's F12 tools), the author locates the request URL that returns the friend list, which contains a friend field.

Computing the g_tk Encryption Parameter

def get_g_tk():
    p_skey = cookie['p_skey']
    h = 5381
    for i in p_skey:
        h += (h << 5) + ord(i)
    g_tk = h & 2147483647
    return g_tk

Retrieving Friends' QQ Numbers

def get_friends_uin(g_tk):
    yurl = 'https://user.qzone.qq.com/proxy/domain/r.qzone.qq.com/cgi-bin/tfriend/friend_ship_manager.cgi?'
    data = {
        'uin': cookie['ptui_loginuin'],
        'do': 1,
        'g_tk': g_tk
    }
    url = yurl + urllib.parse.urlencode(data)
    res = requests.get(url, headers=headers, cookies=cookie)
    r = res.text.split('(')[1].split(')')[0]
    friends_list = json.loads(r)['data']['items_list']
    friends_uin = []
    for f in friends_list:
        friends_uin.append(f['uin'])
    return friends_uin

Detecting Blocked Friends

def get_blacklist(friends):
    access_denied = []
    yurl = 'https://user.qzone.qq.com/'
    for friend in friends:
        print("开始检查:" + str(friend))
        url = yurl + str(friend)
        res = requests.get(url, headers=headers, cookies=cookie)
        tip = etree.HTML(res.text).xpath('/html/body/div/div/div[1]/p/text()')
        if len(tip) > 0:
            print(str(friend) + "把我拉黑了!")
            access_denied.append(friend)
    return access_denied

Automated Blacklisting

def pull_black():
    global cookie
    cookie = search_cookie()
    with open('access_denied.txt', 'r') as f:
        access_denied = f.readlines()
    for fake_friend in access_denied:
        fake_friend = fake_friend.split('\n')[0]
        yurl = "https://user.qzone.qq.com/proxy/domain/w.qzone.qq.com/cgi-bin/right/cgi_black_action_new?"
        g_tk = get_g_tk()
        url_data = {'g_tk': g_tk}
        data = {
            'uin': cookie['ptui_loginuin'],
            'action': '1',
            'act_uin': fake_friend,
            'fupdate': '1',
            'qzreferrer': 'https://user.qzone.qq.com/1223411083'
        }
        url = yurl + urllib.parse.urlencode(url_data)
        res = requests.post(url, headers=headers, data=data, cookies=cookie)
        print(str(fake_friend) + "已被您拉黑")
    print("都拉黑了！解气！！")

The article concludes with a personal note expressing frustration at being blocked and encourages readers to run the script to blacklist the offending friends.