微信自动回复其实主要就是登录,接收消息,回复消息三个功能,微信没有提供公开的API,但是可以分析网页版微信通信原理,通过模拟浏览器来实现需要的功能。

下面将给出微信网页版通信原理以及Python代码。

原文地址(本人):https://blog.csdn.net/a5878989/article/details/54974249

介绍

微信自动回复其实主要就是登录,接收消息,回复消息三个功能,微信没有提供公开的API,但是可以分析网页版微信通信原理,通过模拟浏览器来实现需要的功能。

下面将给出微信网页版通信原理以及Python代码。

分析

-获取uuid:

GET 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&_=1486743163000

Param     _   (13位时间戳)

Response   window.QRLogin.code = 200; window.QRLogin.uuid = “4YyQFP2Daw==”; 

-获取二维码:

GET  https://login.weixin.qq.com/qrcode/4YyQFP2Daw==

Param 4YyQFP2Daw==  即上面的uuid

Response  二维码图片

-监听是否扫描二维码以及是否确认登录:

GET   https://login.wx.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid=4YyQFP2Daw==

Param uuid 同上

Response

window.code=200;window.redirect_uri=”https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=ARxD7GSdBYtNHOxhK0BF0ek-@qrticket_0&uuid=4YyQFP2Daw==&lang=zh_CN&scan=1486743186″;

code:

408 无响应

201 扫描二维码但没有登录(此时响应数据中还包含用户头像图片base64编码的字符串,UserAvatar)

200 登录

redirect_uri  为接下来需要请求的地址

-获取后续访问所需要的key等

GET https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=ARxD7GSdBYtNHOxhK0BF0ek-@qrticket_0&uuid=4YyQFP2Daw==&lang=zh_CN&scan=1486743186p

Param  URL为上次返回的redirect_uri  参数已经带上了                                                                              

Response 

<error>
   <ret>0</ret>
   <message/>
   <skey>@crypt_828c27e0_e98d62f6954235194f2b1252943f25ad</skey>
   <wxsid>0zEvAdWKm9ZZgYVn</wxsid>
   <wxuin>1564527827</wxuin>
   <pass_ticket>OLxGHwqL%2BWNArxvXaqjDy06qzdrSojq6DJwiBF19sgw2CibZSJBv1WwOXAfKnLIg</pass_ticket>
   <isgrayscale>1</isgrayscale>
< /error>

 

-初始化

POST https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r=-485039295&lang=zh_CN&pass_ticket=OLxGHwqL%2BWNArxvXaqjDy06qzdrSojq6DJwiBF19sgw2CibZSJBv1WwOXAfKnLIg

Param  r ( –    +  9位随机数),pass_ticket,{“BaseRequest”: {“Uin”: “1564527827”, “Skey”: “@crypt_828c27e0_e98d62f6954235194f2b1252943f25ad”, “DeviceID”: “e924318232435460”, “Sid”: “0zEvAdWKm9ZZgYVn”}} 第三个参数其中为json数据,DeviceID为(e + 15位随机数)

Response  返回json,包含用户自己的信息,最近联系人,订阅的公众号消息等等;这里只需要关注 UserName=@821c154488cdddbfb04141aa8f681174305d21d67a24cfd6eca3e77a152e52ff  每位用户都有一个UserName,但是每次登陆UserName都是重新分配的,SyncKey 为一组key ,后面接收消息需要将其作为参数,同时每次接收接收消息时,也会返回一组SyncKey作为在下一次请求的参数,以此类推

 

-状态检查

这里会建立一个长连接,每次连接大约20秒左右,若新消息,手机端发出退出网页登录指令,或者状态异常会返回特定的状态码

GET https://wx.qq.com/cgi-bin/mmwebwx-bin/synccheck?r=1486743215000&skey=@crypt_828c27e0_e98d62f6954235194f2b1252943f25ad&sid=0zEvAdWKm9Z

ZgYVn&uin=1564527827&deviceid=e891796429.95749&synckey=1_660530221%7C2_660530488%7C3_660530485%7C1000_1486721341&_=1486740215000

Param  

r(时间戳),skey,sid,uin,deviceid,synckey(将SyncKey中的多组key 以 key1_value1|key2_value2 的形式拼接成字符串如:3_660530485|1000_1486721341),_ (时间戳)

Response 

window.synccheck={retcode:”0″,selector:”2″} 

retcode=0 正常 ,1101 退出登录,1102 会话异常  , selector= 0 无变化 2or6 有消息

 

-接收消息

若状态检查到有新消息,则请求消息

POST https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsync?sid=0zEvAdWKm9ZZgYVn&skey=@crypt_828c27e0_e98d62f6954235194f2b1252943f25ad&lang=zh_CN&pass_ticket=OLxGHwqL%2BWNArxvXaqjDy06qzdrSojq6DJwiBF19sgw2CibZSJBv1WwOXAfKnLIg

Param  

sid,skey,pass_ticket 以及 json数据 {“SyncKey”: {“Count”: 4, “List”: [{“Key”: 1, “Val”: 660530221}, {“Key”: 2, “Val”: 660530488}, {“Key”: 3, “Val”: 660530485}, {“Key”: 1000, “Val”: 1486721341}]}, “BaseRequest”: {“Sid”: “0zEvAdWKm9ZZgYVn”, “Skey”: “@crypt_828c27e0_e98d62f6954235194f2b1252943f25ad”, “DeviceID”: “e141257009.76972”, “Uin”: “1564527827”}, “rr”: “-888098293”} 其中rr (- + 9位随机数)

Response 

json数据包含消息的所有信息,其中关注 FromUserName=@821c154488cdddbfb04141aa8f681174305d21d67a24cfd6eca3e77a152e52ff  消息发送者以及 Content 消息内容

-发送消息

POST https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsendmsg?lang=zh_CN&pass_ticket=0%2BoUqOWdYEen6oDVFEIv5ncIIaJcWs1LeSi69C8tUTgcp36azGAl6a8uT02PiaHu

Param   pass_ticket, json数据{“Msg”: {“FromUserName”: “@9e718026650771acd6d759922e000fafceaa1a5fda83aea7b3b70bc1bd6c3774”, “LocalID”: “14867488199507670”, “ClientMsgId”: “14867488199507670”, “ToUserName”: “@9e718026650771acd6d759922e000fafceaa1a5fda83aea7b3b70bc1bd6c3774”, “Content”: “消息内容”, “Type”: “1”}, “BaseRequest”: {“Sid”: “5Qn7rswOtPRHFw92”, “Skey”: “@crypt_828c27e0_ad386b3d4d68a282eda03d7d5b2d3104”, “DeviceID”: “e397471984070243”, “Uin”: “1564527827”}, “Scene”: “0”} 其中LocalID,ClientMsgId 为13位时间戳加上5位随机数

Response  返回响应的状态码,发送成功会返回 LocalID 和 ClientMsgID

以上就是我们需要的知道的,当然其他比如读取所有联系人等都是大同小异,这里就不多赘述了。

到这里还有关键的一步,那就是如何根据收到的消息自动回复,当然是接入其他可以聊天的程序了,这里为了方便我使用的simsimi聊天机器人的外链,它不需要登录等操作,连request  header 都不用伪造^0^,直接将接受的消息post过去,将返回的消息作为微信回复消息;当然也可以接入更智能的机器人。

-获取自动回复的消息

POST http://www.niurenqushi.com/api/simsimi/

Param   txt (发送的消息)

Response  {“code”:100000,”text”:”消息”}

代码

运行以下代码,会自动弹出二维码图片,手机扫码登录之后开始运行,手机端发送退出登录指令时结束。

重点在于流程和思路,代码也比较糙,注释也就不加了,多指教^0dfd^

# -*- coding:utf-8 -*-
#author:fengw
import urllib,urllib2,cStringIO,re,sys,os,cookielib,ssl,requests,time,json,random,threading,warnings
from PIL import Image
from matplotlib import pyplot as plt
import xml.etree.cElementTree as et 

reload(sys)
sys.setdefaultencoding(\'utf-8\')
warnings.filterwarnings("ignore")

def get_device_id():
    return \'e\'+str(random.random()*10000000000)[0:10]+str(random.random()*100000)[0:5]
def qrcode_img():
    response=urllib2.urlopen(QRCODE_KEY_URL).read()
    p=re.compile(r\'(\d+(\.\d+)?)\')
    code=p.findall(response)[0][0]
    if  code ==\'200\':
        p=re.compile(r\'\"(.*)\"\')
        qrcode_key=p.findall(response)[0]
        qrcode_img_url=QRCODE_IMG_BASE_URL+qrcode_key
        global CHECK_LOGIN_STATUS_BASE_URL
        CHECK_LOGIN_STATUS_BASE_URL=CHECK_LOGIN_STATUS_BASE_URL+qrcode_key
        qrcode_img=Image.open(cStringIO.StringIO(urllib2.urlopen(qrcode_img_url).read()))
        plt.ion()
        plt.figure()
        plt.imshow(qrcode_img)
        plt.figure()
        plt.close(2)        
    else :
        print \'sorry,request qrcode failed...\'
        time.sleep(2)
        os._exit(0)
        
def listen_login():
    run=True
    times=0
    msg=\'please scan the qrcode\'
    while run:
        times+=1
        print msg
        response=urllib2.urlopen(CHECK_LOGIN_STATUS_BASE_URL).read()
        p=re.compile(r\'(\d+(\.\d+)?)\')
        code=p.findall(response)[0][0]
        if  code==\'201\':
            msg= \'please login...\'
            plt.close()
        if  code==\'200\':
            run=False
            plt.close()
            print  \'login sucess,running....\'
            p=re.compile(r\'\"(.*)\"\')
            redirect_url=p.findall(response)[0]
            response=conn.get(url=redirect_url,allow_redirects=False,verify=False)
            msg=response.text
            global ret,message,skey,wxsid,wxuin,pass_ticket,isgrayscale

            xml=et.fromstring(msg)
            ret=xml[0].text
            message=xml[1].text
            skey=xml[2].text
            wxsid=xml[3].text
            wxuin=xml[4].text
            pass_ticket=xml[5].text
            isgrayscale=xml[6].text
        
        
        if  times==20:
            run=False
def update_synckey(msg):
    global synckey,syncheck_key
    synckey=str(msg[\'SyncKey\']).replace("u\'","\'")        
    for k_v in msg[\'SyncKey\'][\'List\']:
        syncheck_key+=\'|\'+str(k_v[\'Key\'])+\'_\'+str(k_v[\'Val\'])
    syncheck_key=syncheck_key[1:]
def  wx_init():    
    url=\'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r=-485039295&lang=zh_CN&pass_ticket=\'+pass_ticket    
    data={\'BaseRequest\':{\'DeviceID\':\'%s\'%get_device_id(),\'Sid\':\'%s\'%wxsid,\'Skey\':\'%s\'%skey,\'Uin\':\'%s\'%wxuin}}
    res=conn.post(url=url,headers=headers,data=json.dumps(data),verify=False)
    response=res.text    
    msg=json.loads(response)
    global user
    user=msg[\'User\'][\'UserName\']
    update_synckey(msg)
    
    
def get_contact_list():
    base_url=\'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxgetcontact?lang=zh_CN&seq=0\'
    base_url+=\'&pass_ticket=\'+pass_ticket+\'&r=\'+str(int(time.time())*1000)+\'&skey=\'+skey
    response=urllib2.urlopen(base_url).read()
    data=json.loads(response)
    f=open(r\'d:/linklist.txt\',\'w\')
    for friend in data[\'MemberList\']:
        msg=friend[\'NickName\']+","+friend[\'RemarkName\']+"\n"
        f.write(msg.encode(\'utf-8\'))
    f.close()
    
def get_auto_reply(send_msg):
    url=\'http://www.niurenqushi.com/api/simsimi/\'
    data={\'txt\':\'%s\'%send_msg}
    res=conn.post(url=url,data=data)
    res.encoding=\'utf-8\'
    return  json.loads(res.text,\'\')[\'text\']
    

def reply_msg(content,touser):    
    url=\'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsendmsg?lang=zh_CN&pass_ticket=\'+pass_ticket
    #touser=\'filehelper\'
    ClientMsgId=str(int(time.time()))+str(random.random()*10000000)[0:7]
    print \'recive msg :\',content
    sendmsg=get_auto_reply(content)
    data={\'BaseRequest\':{\'Uin\':\'%s\'%wxuin,\'Sid\':\'%s\'%wxsid,\'Skey\':\'%s\'%skey,\'DeviceID\':\'%s\'%get_device_id()},\'Msg\':{\'ClientMsgId\':\'%s\'%ClientMsgId,\'Content\':\'%s\'%sendmsg.encode(\'utf-8\'),\'FromUserName\':\'%s\'%user,\'LocalID\':ClientMsgId,\'ToUserName\':\'%s\'%touser,\'Type\':\'1\'},\'Scene\':\'0\'}
    data=json.dumps(data,ensure_ascii=False)
    res=conn.post(url=url,headers=headers,data=data.encode(\'utf-8\'),verify=False)
    print \'reply:\',sendmsg
def recive_msg():
    base_url=\'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsync\'
    base_url+=\'?sid=\'+wxsid+\'&skey=\'+skey+\'&lang=\'+\'zh_CN\'+\'&pass_ticket=\'+pass_ticket
    while True:
        try:
            rr=\'-\'+str(random.random()*1000000000)[0:9]
            data={\'BaseRequest\':{\'Uin\':\'%s\'%wxuin,\'Sid\':\'%s\'%wxsid,\'Skey\':\'%s\'%skey,\'DeviceID\':\'%s\'%get_device_id()},\'SyncKey\':eval(synckey),\'rr\':\'%s\'%rr}
            res=conn.post(url=base_url,headers=headers,data=json.dumps(data),verify=False)
            res.encoding=\'utf-8\'
            response=res.text        
            if response==None:
                continue
            data=json.loads(response)
            update_synckey(data)
            for msg in data[\'AddMsgList\']:
                content=msg[\'Content\']
                fromuser=msg[\'FromUserName\']
                if fromuser==user:
                    continue
                if content[0:4]==\'<\':                
                    continue
                #print \'recived msg:\',content.decode(\'unicode_escape\'),\'from user :\',fromuser        
                threading.Thread(target=reply_msg,args=(content,fromuser)).start()
            time.sleep(2)
        except Exception  as e :
            pass
        
def sync_check():
    listen=True
    base_url=\'https://webpush.wx.qq.com/cgi-bin/mmwebwx-bin/synccheck\'
    base_url+=\'?r=\'+str(int(time.time())*1000)+\'&skey=\'+skey+\'&sid=\'+wxsid+\'&uin=\'+wxuin+\'&deviceid=\'+get_device_id()+\'&synckey=\'+syncheck_key+\'&_=\'+str(int(time.time())*1000-3000000)
    request = urllib2.Request(url=base_url, headers=headers)
    while listen:
        try:
            res=conn.get(url=base_url,headers=headers,verify=False)
            response=res.text
            p=re.compile(r\'(\d+(\.\d+)?)\')
            retcode=p.findall(response)[0][0]
            if retcode==\'1101\' or retcode==\'1102\':
                print \'login out ...\'
                listen=False
                os._exit(0)
            time.sleep(2)
        except Exception:
            pass
if __name__ == \'__main__\':        
    ssl._create_default_https_context = ssl._create_unverified_context
    QRCODE_KEY_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&_=\'+str(int(time.time())*1000)
    QRCODE_IMG_BASE_URL=\'https://login.weixin.qq.com/qrcode/\'
    CHECK_LOGIN_STATUS_BASE_URL=\'https://login.wx.qq.com/cgi-bin/mmwebwx-bin/login?loginicon=true&uuid=\'
    ret,message,skey,wxsid,wxuin,pass_ticket,isgrayscale=\'\',\'\',\'\',\'\',\'\',\'\',\'\'
    synckey,user=\'\',\'\'
    syncheck_key=\'\'
    cookie=cookielib.CookieJar()
    handler=urllib2.HTTPCookieProcessor(cookie)
    debug_h=urllib2.HTTPSHandler(debuglevel=0)
    opener=urllib2.build_opener(handler,debug_h)
    urllib2.install_opener(opener)
    conn=requests.session()
    headers = {     \'Host\': \'wx.qq.com\',
                    \'Connection\': \'keep-alive\',
                    \'Accept\': \'application/json, text/plain, */*\',
                    \'Origin\': \'https://wx.qq.com\',
                    \'User-Agent\': \'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0\',
                    \'Content-Type\': \'application/json;\',                
                    \'Accept-Encoding\': \'gzip, deflate, br\',
                    \'Accept-Language\': \'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3\'
                    }
    #获取微信二维码并显示                    
    qrcode_img()
    #监听用户扫描二维码和登录动作
    listen_login()
    #微信初始化
    wx_init()
    #开启子线程监听登录状态
    check_status_task=threading.Thread(target=sync_check)
    check_status_task.start()
    #get_contact_list()
    #主线程监听消息
    recive_msg()

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