通过requests登录店小秘解决验证码问题

登录常用手段就是:

• request.post请求

• selenium等自动化工具

这里讲一下使用requests实现自动登录
网站

现在网站登录基本上都有验证码，requests登录的难点在于将验证码与账号联系起来，这里是cookie和referer。

def login_dianxiaomi():"""店小秘将code与账号联系起来的纽带就在cookie和referer，需要考虑登录主页，code获取和登录ajax三方"""i = 0while i < 3:ts = int(time.time())homepage = f'https://www.dianxiaomi.com/index.htm?ts={ts}'  # 主页，这里作为后面的refererheaders = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9','Accept-Encoding': 'gzip, deflate, br','Accept-Language': 'zh-CN,zh;q=0.9','Cookie': '_dxm_ad_client_id=C480E8334FD936CCDEB3BA1AD1F98E49F; Hm_lvt_f8001a3f3d9bf5923f780580eb550c0b=1670383137,1670400951; ''JSESSIONID=857D325C586104913A42E668792A8870; dxm_vc=NjlhZDZiOGYwMzk0YzdiYjRlOWJlY2M2OWJiMGY4Y2MhMTY3MDQwMzcxMzg2NQ; ''Hm_lpvt_f8001a3f3d9bf5923f780580eb550c0b=1670403714',  # 直接网页复制获取'Host': 'www.dianxiaomi.com','Referer': 'https://www.dianxiaomi.com/home.htm','User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36'}res = requests.get(homepage, headers=headers, timeout=30)cookie = res.cookies.items()jsessionid = cookie[0][1]print('homepage jsessionid:', jsessionid)# 获取验证码url = f'https://www.dianxiaomi.com/verify/code.htm?t={int(time.time() * 1000)}'headers = {'Accept': 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8','Accept-Encoding': 'gzip, deflate, br','Accept-Language': 'zh-CN,zh;q=0.9','Cookie': '_dxm_ad_client_id=C480E8334FD936CCDEB3BA1AD1F98E49F; Hm_lvt_f8001a3f3d9bf5923f780580eb550c0b=1670383137,1670400951;'f'Hm_lpvt_f8001a3f3d9bf5923f780580eb550c0b=1670402174; JSESSIONID={jsessionid}; '   # 这里的jessionid来自主页cookie'dxm_vc=NjlhZDZiOGYwMzk0YzdiYjRlOWJlY2M2OWJiMGY4Y2MhMTY3MDQwMzcxMzg2NQ','Host': 'www.dianxiaomi.com','Referer': f'https://www.dianxiaomi.com/index.htm?ts={ts}','User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36'}res = requests.get(url, headers=headers, timeout=30)cookie = res.cookies.items()print('code cookie:', cookie)if len(cookie) == 1:i += 1print('code url cookie not right', f'try {i} times')continuecode_jsessionid = cookie[0][1]code_dxm_vc = cookie[1][1]with open('dianxiaomi.png', 'wb') as f:f.write(res.content)# 图像二值化im = Image.open('dianxiaomi.png')img_gray = im.convert('L')img_gray.save('dianxiaomi.png')code = get_code('dianxiaomi.png')print('code:', code)login_url = 'https://www.dianxiaomi.com/user/userLoginNew2.json'headers = {'Accept': 'application/json, text/javascript, */*; q=0.01','Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8','X-Requested-With': 'XMLHttpRequest','User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36','Referer': f'https://www.dianxiaomi.com/index.htm?ts={ts}','Accept-Encoding': 'gzip, deflate, br','Accept-Language': 'zh-CN,zh;q=0.9','Cookie': '_dxm_ad_client_id=C480E8334FD936CCDEB3BA1AD1F98E49F; Hm_lvt_f8001a3f3d9bf5923f780580eb550c0b=1670383137,1670400951; 'f'Hm_lpvt_f8001a3f3d9bf5923f780580eb550c0b=1670402174; JSESSIONID={code_jsessionid}; '   # 这里的jessionid和dxm_vc来自请求code的cookief'dxm_vc={code_dxm_vc}'}data = {'account': 'xx','password': 'xxx','dxmVerify': code,'loginVerifyCode': '','remeber': 'remeber','url': ''}response = requests.post(login_url, data=data, headers=headers, timeout=30)print(response.text)# if '有用户在其它地方，登录此账号' in response.text:#     print('有用户在其它地方，登录此账号')#     returnres = response.json()if res['code'] == -1:i += 1print(res['error'], f'try {i} times')continueelse:# 获取requests请求返回的cookiecookie = response.cookies.items()print(cookie)cookies = ''for c in cookie:cookies += c[0] + '=' + c[1] + ';'print(11, cookies)return cookies

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