通过架设flask或django web服务器，同时后台采用requests和bs4模块来爬取web微信程序相关信息。

在代码过程中遇到一些问题，1、需要认真分析网络请求包。

2、cookies 在获取收发信息时需要携带

3、SyncKey等相关信息在checklogin时就已经返回了，一定要仔细分析每个网络请求，所有的请求头中的参数都可以在以前的服务器返回值中找到，有些参数是固定的如deviceid，有些是time.time()即可

import re
import time
import json
import requests
from django.shortcuts import render
from django.shortcuts import HttpResponse
# 当前时间戳
CURRENT_TIME = None
QCODE = None

LOGIN_COOKIE_DICT = {}
TICKET_COOKIE_DICT = {}
TICKET_DICT = {}
TIPS = 1

USER_INIT_DATA = {}

def login(request):
base_qcode_url = 'https://login.wx.qq.com/jslogin?appid=wx782c26e4c19acffb&redirect_uri=https%3A%2F%2Fwx.qq.com%2Fcgi-bin%2Fmmwebwx-bin%2Fwebwxnewloginpage&fun=new&lang=zh_CN&_={0}'
global CURRENT_TIME
CURRENT_TIME = str(time.time())
q_code_url = base_qcode_url.format(CURRENT_TIME)
response = requests.get(q_code_url)
# 二维码后缀
code = re.findall('uuid = "(.*)";',response.text)[0]
global QCODE
QCODE = code
return render(request, 'login.html', {'code': code})

def long_polling(request):
print('polling....')
ret = {'status': 408, 'data': None}
# https://login.wx.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid=IZpsHyzTNw==&tip=1&r=-897465901&_=1486956149964
# 408，201，200
try:
global TIPS
base_login_url = 'https://login.wx.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid={0}&tip={1}&r=-897465901&_={2}'
login_url = base_login_url.format(QCODE,TIPS,CURRENT_TIME)
response_login = requests.get(login_url)
if "window.code=201" in response_login.text:
TIPS = 0
avatar = re.findall("userAvatar = '(.*)';",response_login.text)[0]
ret['data'] = avatar
ret['status'] = 201
elif 'window.code=200' in response_login.text:
# 扫码点击确认后，获取cookie
LOGIN_COOKIE_DICT.update(response_login.cookies.get_dict())
redirect_uri = re.findall('redirect_uri="(.*)";', response_login.text)[0]
redirect_uri += '&fun=new&version=v2&lang=zh_CN'

# 获取票据，Cookie,返回值
response_ticket = requests.get(redirect_uri, cookies=LOGIN_COOKIE_DICT)
TICKET_COOKIE_DICT.update(response_ticket.cookies.get_dict())
print(response_ticket.text)
from bs4 import BeautifulSoup
soup = BeautifulSoup(response_ticket.text,'html.parser')
for tag in soup.find():
TICKET_DICT[tag.name] = tag.string

ret['status'] = 200

# https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=AZfYKn7CWTeZE_iMTHwv7GFB@qrticket_0&uuid=IeFZHVi6Jw==&lang=zh_CN&scan=1
# https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=AepqqS0wvk1UN6bCGiaHHWXQ@qrticket_0&uuid=we1gq4TyyA==&lang=zh_CN&scan=1486957549"
except Exception as e:
print(e)
return HttpResponse(json.dumps(ret))

def index(request):
# 初始化用户基本信息
# https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r=-909239606&lang=zh_CN&pass_ticket=Tpc2XEec%252BJ0q2qNRw6nqWzGSsQ3jM2LZtBCVJZfjvMTDxjiyJ9mO5eRtCNOveeXO

user_init_url = 'http://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?pass_ticket=%s&r=%s' % (TICKET_DICT['pass_ticket'], int(time.time()))

form_data = {
'BaseRequest': {
'DeviceID': 'e531777446530354',
'Sid': TICKET_DICT['wxsid'],
'Skey': TICKET_DICT['skey'],
'Uin': TICKET_DICT['wxuin']
}
}
all_cookie_dict = {}
all_cookie_dict.update(LOGIN_COOKIE_DICT)
all_cookie_dict.update(TICKET_COOKIE_DICT)

response_init = requests.post(user_init_url, json=form_data, cookies=all_cookie_dict)
response_init.encoding = 'utf-8'
user_init_data = json.loads(response_init.text)
# for k,v in user_init_data.items():
# print(k,v)
USER_INIT_DATA.update(user_init_data)
"""
form_data = {
'BaseRequest':{
'DeviceID': 'e531777446530354',
'Sid': TICKET_DICT['wxsid'],
'Skey': TICKET_DICT['skey'],
'Uin': TICKET_DICT['wxuin']
}
}
all_cookie_dict = {}
all_cookie_dict.update(LOGIN_COOKIE_DICT)
all_cookie_dict.update(TICKET_COOKIE_DICT)

response_init = requests.post(user_init_url,json=form_data,)
response_init.encoding = 'utf-8'
print(response_init.text)
"""

return render(request, 'index.html',{'data': user_init_data})

def contact_list(request):
"""
获取联系人列表
:param request:
:return:
"""
# https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxgetcontact?lang=zh_CN&pass_ticket={0}&r={1}&seq=0&skey={2}
base_url = "https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxgetcontact?lang=zh_CN&pass_ticket={0}&r={1}&seq=0&skey={2}"
url = base_url.format(TICKET_DICT['pass_ticket'], str(time.time()), TICKET_DICT['skey'])

all_cookie_dict = {}
all_cookie_dict.update(LOGIN_COOKIE_DICT)
all_cookie_dict.update(TICKET_COOKIE_DICT)
response = requests.get(url,cookies=all_cookie_dict)
response.encoding = 'utf-8'
contact_list_dict = json.loads(response.text)
return render(request, 'contact_list.html',{'obj': contact_list_dict})

def send_msg(request):
for k,v in USER_INIT_DATA.items():
print(k,"======>",v)
from_user_id = USER_INIT_DATA['User']['UserName']
to_user_id = request.POST.get('user_id')
msg = request.POST.get('user_msg')

send_url = "https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsendmsg?lang=zh_CN&pass_ticket=" + TICKET_DICT['pass_ticket']
import base64

form_data = {
'BaseRequest': {
'DeviceID': 'e531777446530354',
'Sid': TICKET_DICT['wxsid'],
'Skey': TICKET_DICT['skey'],
'Uin': TICKET_DICT['wxuin']
},
'Msg':{
"ClientMsgId": str(time.time()),
"Content": '%(content)s',
"FromUserName": from_user_id,
"LocalID": str(time.time()),
"ToUserName": to_user_id,
"Type": 1
},
'Scene':0
}
import json
# 字符串
form_data_str = json.dumps(form_data)
# 进行格式化
form_data_str = form_data_str %{'content':msg}

# 转换成字节
form_data_bytes = bytes(form_data_str,encoding='utf-8')

all_cookie_dict = {}
all_cookie_dict.update(LOGIN_COOKIE_DICT)
all_cookie_dict.update(TICKET_COOKIE_DICT)

response = requests.post(send_url, data=form_data_bytes, cookies=all_cookie_dict, headers={
'Content-Type': 'application/json'})
print(response.text)

return HttpResponse('ok')

def get_msg(request):
# 检查是否有新消息到来
sync_url = "https://webpush.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck"

sync_data_list = []
for item in USER_INIT_DATA['SyncKey']['List']:
temp = "%s_%s" % (item['Key'], item['Val'])
sync_data_list.append(temp)
sync_data_str = "|".join(sync_data_list)
nid = int(time.time())
sync_dict = {
"r": nid,
"skey": TICKET_DICT['skey'],
"sid": TICKET_DICT['wxsid'],
"uin": TICKET_DICT['wxuin'],
"deviceid": "e531777446530354",
"synckey": sync_data_str
}
all_cookie = {}
all_cookie.update(LOGIN_COOKIE_DICT)
all_cookie.update(TICKET_COOKIE_DICT)
response_sync = requests.get(sync_url, params=sync_dict, cookies=all_cookie)
print(response_sync.text)
if 'selector:"2"' in response_sync.text:
fetch_msg_url = "https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsync?sid=%s&skey=%s&lang=zh_CN&pass_ticket=%s" % (TICKET_DICT['wxsid'], TICKET_DICT['skey'], TICKET_DICT['pass_ticket'])

form_data = {
'BaseRequest': {
'DeviceID': 'e531777446530354',
'Sid': TICKET_DICT['wxsid'],
'Skey': TICKET_DICT['skey'],
'Uin': TICKET_DICT['wxuin']
},
'SyncKey': USER_INIT_DATA['SyncKey'],
'rr': str(time.time())
}
response_fetch_msg = requests.post(fetch_msg_url, json=form_data)
response_fetch_msg.encoding = 'utf-8'
res_fetch_msg_dict = json.loads(response_fetch_msg.text)
USER_INIT_DATA['SyncKey'] = res_fetch_msg_dict['SyncKey']
for item in res_fetch_msg_dict['AddMsgList']:
print(item['Content'], ":::::", item['FromUserName'], "---->", item['ToUserName'], )
return HttpResponse('ok')