day1 python从入门到放弃----https网址过登录验证

''''''

# 1、获取token随机字符串
'''
1.访问登录页面获取token随机字符串
    请求URL:  
            https://github.com/login
            
    请求方式:
        GET
            
    请求头:    
        COOKIES
        User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36
    
2.解析并提取token字符串
# 正则
<input type="hidden" name="authenticity_token" value="(.*?)" />
'''
import requests
import re

login_url = 'https://github.com/login'
# login页面的请求头信息
login_header = {
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36'
}

login_res = requests.get(url=login_url, headers=login_header)
# print(login_res.text)

# 解析提取token字符串
authenticity_token = re.findall(
    '<input type="hidden" name="authenticity_token" value="(.*?)" />',
    login_res.text,
    re.S
)[0]
print(authenticity_token)

# 获取login页面的cookies信息
# print(type(login_res.cookies))
# print(type(login_res.cookies.get_dict()))
login_cookies = login_res.cookies.get_dict()

# 2、开始登录github
'''
POST请求自动登录github:
    请求URL:  
        https://github.com/session
        
    请求方式:
        POST
            
    请求头:
        Cookie
        User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36
    
    请求体:
        commit: Sign in
        utf8: ✓
        authenticity_token: 
        UBXaPbyTraHYf9KzcMjmc4djtmqHOeiyUkKssP6drR0X67mcZJJnfqnMT/QnizSRoMdkK8D1YupHoADr31OHew==
        njrbYmGyInLNiNPpvpgxHUDfZ79O1AHDrrDxjSs8HchVBOaAZN2e2v8+DyxbMGiUE+pOGaIxdC++xSMNAkEZVg==
        login: 天王盖地虎
        password: 上山打老鼠
        webauthn-support: supported    
'''
# session登录url
session_url = 'https://github.com/session'

# 请求头信息
session_headers = {
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36'

}

# 请求体信息
form_data = {
    "commit": "Sign in",
    "utf8": "✓",
    "authenticity_token": authenticity_token,
    "login": "****",
    "password": "*****",
    "webauthn-support": "supported"
}
session_res = requests.post(url=session_url,
                            headers=session_headers,
                            cookies=login_cookies,
                            data=form_data)

with open('github3.html', 'w', encoding='utf-8') as f:
    f.write(session_res.text)