flask 微信扫码登录

￡神魔★判官ぃ 2021-09-17 12:42 608阅读 0赞

# flask 微信扫码登录 #

#### app和路由配置代码 ####

import re
    import time
    import requests
    from flask import Flask, render_template, session, jsonify
    
    app = Flask(__name__)
    app.secret_key = '1231sdfasdf'
    
    from bs4 import BeautifulSoup
    
    
    def xml_parse(text):
        result = { }
        soup = BeautifulSoup(text, 'html.parser')
        tag_list = soup.find(name='error').find_all()
        for tag in tag_list:
            result[tag.name] = tag.text
        return result
    
    
    @app.route('/login')
    def login():
        ctime = int(time.time() * 1000)
        qcode_url = "https://login.wx2.qq.com/jslogin?appid=wx782c26e4c19acffb&redirect_uri=https%3A%2F%2Fwx.qq.com%2Fcgi-bin%2Fmmwebwx-bin%2Fwebwxnewloginpage&fun=new&lang=zh_CN&_={0}".format(
            ctime)
    
        rep = requests.get(
            url=qcode_url
        )
        # print(rep.text) # window.QRLogin.code = 200; window.QRLogin.uuid = "gb8UuMBZyA==";
        qcode = re.findall('uuid = "(.*)";', rep.text)[0]
        session['qcode'] = qcode
        return render_template('login.html', qcode=qcode)
    
    
    @app.route('/check/login')
    def check_login():
        qcode = session['qcode']
        ctime = int(time.time() * 1000)
        # https://login.wx2.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid=oeq3xdRFig==&tip=0&r=-412057997&_=1546600257051
        # https://login.wx2.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid=oa95cvIS5w==&tip=0&r=-413943228&_=1546602155746
        check_login_url = 'https://login.wx2.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid={0}&tip=0&r=-413943228&_={1}'.format(
            qcode, ctime)
        rep = requests.get(
            url=check_login_url
        )
        result = { 'code': 408}
    
        if 'window.code=408' in rep.text:
            # 用户未扫码
            result['code'] = 408
        elif 'window.code=201' in rep.text:
            # 用户扫码，获取头像
            result['code'] = 201
            result['avatar'] = re.findall("window.userAvatar = '(.*)';", rep.text)[0]
        elif 'window.code=200' in rep.text:
            # 用户确认登录
            redirect_uri = re.findall('window.redirect_uri="(.*)";', rep.text)[0]
            print(redirect_uri)
    
            # https://wx2.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=A_pgPh0SjvyHWTDEF3kce2Wg@qrticket_0&uuid=wbewGl1rwQ==&lang=zh_CN&scan=1546599481&fun=new&version=v2
            # https://wx2.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=A_pgPh0SjvyHWTDEF3kce2Wg@qrticket_0&uuid=wbewGl1rwQ==&lang=zh_CN&scan=15
    
       
            redirect_uri = redirect_uri + "&fun=new&version=v2"
            ru = requests.get(url=redirect_uri)
    
            # <error><ret>0</ret><message></message><skey>@crypt_2272b9c9_c4a1df2d806c0b32bc7f8b678b907bd6</skey><wxsid>hKPtRPRAn0yZWwZW</wxsid><wxuin>1440810436</wxuin><pass_ticket>%2BuiXaDx68luSpK5djbIrAqKoVLi4vSlxTg7dQe4105vIaFK93ORlG1kPgO5uQsSi</pass_ticket><isgrayscale>1</isgrayscale></error>
            ticket_dict = xml_parse(ru.text)
            # print(ticket_dict)
            session['ticket_dict'] = ticket_dict
            result['code'] = 200
    
        return jsonify(result)
    
    
    @app.route('/index')
    def index():
        pass_ticket = session['ticket_dict']['pass_ticket']
        init_url = "https://wx2.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r=-412030554&lang=zh_CN&pass_ticket={0}".format(
            pass_ticket)
    
        rep = requests.post(
            url=init_url,
            json={ 
                'BaseRequest': { 
                    'DeviceID': "e572672200373583",
                    'Sid': session['ticket_dict']['wxsid'],
                    'Skey': session['ticket_dict']['skey'],
                    # 'Uin': session['ticket_dict']['wxuin'],
                    'Uin': "1440810436",
    
                }
            }
        )
        rep.encoding = 'utf-8'
    
        init_user_dict = rep.json()
        print(init_user_dict)
    
        return render_template('index.html', init_user_dict=init_user_dict)
    
    
    if __name__ == '__main__':
        app.run()

#### index.html页面 ####

<!DOCTYPE html>
    <html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
    </head>
    <body>
    <h1>欢迎使用Web微信:{ { init_user_dict.User.NickName}}</h1>
    
    <h3>最近联系人</h3>
    <ul>
        { % for row in init_user_dict.ContactList %}
        <li>{ { row.NickName}}</li>
        { % endfor %}
        <li><a href="#">查看所有联系人</a></li>
    </ul>
    
    <h3>最近公众号</h3>
    { % for item in init_user_dict.MPSubscribeMsgList %}
    <div>
        <h3>{ { item.NickName}}</h3>
        <ul>
            { % for msg in item.MPArticleList %}
            <li><a href="{ { msg.Url }}">{ { msg.Title}}</a></li>
            { % endfor %}
        </ul>
    </div>
    { % endfor %}
    
    
    </body>
    </html>

#### login.html页面 ####

<!DOCTYPE html>
    <html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
    </head>
    <body>
        <div style="width: 200px;margin: 100px auto;background-color:cadetblue" >
            <h2 style="text-align: center;color:white;padding-top: 15px">微信登录</h2>
            <img id="userAvatar" style="width: 200px;height: 200px;" src="https://login.weixin.qq.com/qrcode/{ {qcode}}" alt="">
        </div>
    
        <script src="https://cdn.bootcss.com/jquery/3.3.0/jquery.min.js"></script>
        <script>
            $(function () { 
                checkLogin();
            });
            function checkLogin() { 
                $.ajax({ 
                    url:'{ { url_for('check_login') }}',
                    method:'GET',
                    dataType:'json',
                    success:function (arg) { 
                        console.log(arg);
                        checkLogin();
                        if(arg.code === 408){ 
                            checkLogin();
                        }else if(arg.code === 201){ 
                            $('#userAvatar').attr('src',arg.avatar);
                            checkLogin();
                        }else if(arg.code === 200){ 
                            location.href = "{ { url_for('index') }}"
                        }
                    }
                })
            }
        </script>
    </body>
    </html>

#### 显示效果 ####

##### 登录界面 #####

![C:\\Users\\john\\AppData\\Roaming\\Typora\\typora-user-images\\1546668183423.png][C_Users_john_AppData_Roaming_Typora_typora-user-images_1546668183423.png]

##### 获取微信登录信息 #####

![1546667297336][]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzk1ODgwNA_size_16_color_FFFFFF_t_70]

[C_Users_john_AppData_Roaming_Typora_typora-user-images_1546668183423.png]: /images/20210726/6b4c765733b24ffcae73e06959bb6e0d.png
[1546667297336]: /images/20210726/8f7586864a0940d4a1f5a86cd27baff5.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80Mzk1ODgwNA_size_16_color_FFFFFF_t_70]: /images/20210726/2546a818dad8479780bcf3e9a1cbec41.png