知乎登录cookie验证

import re
import requests
import codecs
# http.cookiejar 保存cookie
import http.cookiejar as cookieJar
from fake_useragent import UserAgent
import time
'''
    使用requests中的session会话加载Cookie,如果有Cookie,直接加载使用,如果没有,不加载,需要先做登录操作,将登陆成功返回的cookie保存成文件,以便下次使用
    
    在登录过程中,需要从登录页面返回的cookie中找出_xsrf,在传递参数时将其带上,并且带上用户名和密码,有可能会出现验证码,可以使用云打码工具**,把验证码带上,就可以登陆成功了,登录成功之后,利用session.cookie.save()函数  将cookie保存到本地
    
    在之后发起请求时,只需要将之前保存的cookie携带上即可正常访问知乎数据

'''

class ZHCookies(object):

    def __init__(self,phone_num,password):
        self.url = 'https://www.zhihu.com/signin'
        self.headers = {
            "Referer": "https://www.zhihu.com/signup?next=%2F",
            "Host": "www.zhihu.com"
        }
        self.ua = UserAgent()
        self.filename = phone_num+'.txt'
        self.session = requests.Session()
        self.session.cookies = cookieJar.LWPCookieJar(filename=self.filename)
        self.phone_num = phone_num
        self.password = password

    def get_cookies(self):
        self.headers['User-Agent'] = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0'
        response = self.session.get(self.url,headers=self.headers)
        # 查找_xsrf
        res = response.headers['Set-Cookie']
        xsrf = re.search(re.compile('_xsrf=(.*?);'),res)
        self.login(xsrf.group(1))


    def login(self,xsrf):
        # 准备登录
        url = 'https://www.zhihu.com/login/phone_num'
        data = {
            '_xsrf': xsrf,
            'phone_num': self.phone_num,
            'password': self.password
        }

        # 发送登录请求
        response = self.session.post(url, data=data, headers=self.headers)
        # 返回json类型的数据
        res = response.json()
        if res.get('r') == 0:
            # 将cookie保存起来
            self.session.cookies.save()
        else:
            print(response.json().get('msg'))
            print('正在尝试重新登录.....')
            time.sleep(1)
            self.login(xsrf)

if __name__ == '__main__':

    user_info = [
        # {'phone_num':'18337152380','password':'shutun0315'},
        {'phone_num':'13203726750','password':'100xintong'},
    ]
    # for user in user_info:
    #     zh = ZHCookies(user['phone_num'],user['password'])
    #     zh.get_cookies()

    print('已经获取到所有的cookies')
    import random
    # 随机获取一个cookie,用来发送请求
    user = random.choice(user_info)

    with requests.Session() as session:
        # 随机加载本地的cookie文件
        session.cookies = cookieJar.LWPCookieJar()
        session.cookies.load(filename=user['phone_num']+'.txt')
        # 发请求
        response = session.get('http://www.zhihu.com',headers={
            'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0',
            "Referer": "https://www.zhihu.com/signup?next=%2F",
            "Host": "www.zhihu.com"
        })
        # 保存
        with codecs.open('zhihu.html','w',encoding='utf-8') as f:
            f.write(response.text)
知乎登录cookie验证

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