WeChat protocol details

1. open the home page and assign a random uuid. 2. obtain the QR code image based on the uuid. 3. the client scans the image and confirms logon on the client. 4. the browser keeps calling an interface. if logon is successful, the interface is called. 5. You can obtain the contact list and send messages. Then, call the synchronous interface continuously. 6. if the synchronous interface returns a message, you can obtain the new message and continue to call the synchronous interface. Web protocol analysis (web version wx2.qq.com)

1. open the home page and assign a random uuid,
2. obtain the QR code image based on the uuid.
3. the client scans the image and confirms logon on the client.
4. the browser keeps calling an interface. if logon is successful, the interface is called.
5. You can obtain the contact list and send messages. Then, call the synchronous interface continuously.
6. if the synchronous interface returns a message, you can obtain the new message and continue to call the synchronous interface.

Source code address: github.com/biezhi/wechat-robot

Execution process

       +--------------+     +---------------+   +---------------+       |              |     |               |   |               |       |   Get UUID   |     |  Get Contact  |   | Status Notify |       |              |     |               |   |               |       +-------+------+     +-------^-------+   +-------^-------+               |                    |                   |               |                    +-------+  +--------+               |                            |  |       +-------v------+               +-----+--+------+      +--------------+       |              |               |               |      |              |       |  Get QRCode  |               |  Weixin Init  +------>  Sync Check  <----+       |              |               |               |      |              |    |       +-------+------+               +-------^-------+      +-------+------+    |               |                              |                      |           |               |                              |                      +-----------+               |                              |                      |       +-------v------+               +-------+--------+     +-------v-------+       |              | Confirm Login |                |     |               |+------>    Login     +---------------> New Login Page |     |  Weixin Sync  ||      |              |               |                |     |               ||      +------+-------+               +----------------+     +---------------+|             ||QRCode Scaned|+-------------+

WebWechat API1. obtain UUID (refer to getUUID)

API	Obtain UUID
Url	Https://login.weixin.qq.com/jslogin
Method	GET
Data	URL Encode
Params	Appid: Wx782c26e4c19acffb Fun: New Lang: Zh_CN _: Timestamp

Returned data (String ):

window.QRLogin.code = 200; window.QRLogin.uuid = "xxx"

2. display the QR code (refer to showQrCode)

API	Display QR code
Url	Login.weixin.qq.com/qrcode/{uuid}
Method	POST
Params	T: Webwx _: Timestamp

3. wait for logon (refer to the waitForLogin method). here is the logon confirmation.

API	QR code scan logon
Url	Login.weixin.qq.com/cgi-bin/mmwebwx-bin/login
Method	GET
Params	Tip: 1: not scanned 0: scanned Uuid: Uuid obtained _: Timestamp

Returned data (String ):

Window. code = xxx; xxx: 408 login timeout 201 scan successful 200 confirm login there will be window. redirect_uri = "https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage? Ticket = xxx & uuid = xxx & lang = xxx & scan = xxx ";

4. log on to obtain the Cookie (refer to login)

API	Webwxnewloginpage
Url	Wx2.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage
Method	GET
Params	Ticket: Xxx Uuid: Xxx Lang: Zh_CN Scan: Xxx Fun: New

Returned data (XML ):

     
  
   0
      
  
   OK
      
  
   xxx
      
  
   xxx
      
  
   xxx
      
  
   xxx
      
  
   1
  
 

In this step, obtainskey,wxsid,wxuin,pass_ticket

5. initialization (refer to wxInit)

API	Webwxinit
Url	Wx2.qq.com/cgi-bin/mmwebwx-bin/webwxinit
Method	POST
Data	JSON
Header	Content-Type: application/json; charset = UTF-8
Params	{ BaseRequest :{ Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx, } }

Returned data (JSON ):

{    "BaseResponse": {        "Ret": 0,        "ErrMsg": ""    },    "Count": 11,    "ContactList": [...],    "SyncKey": {        "Count": 4,        "List": [            {                "Key": 1,                "Val": 635705559            },            ...        ]    },    "User": {        "Uin": xxx,        "UserName": xxx,        "NickName": xxx,        "HeadImgUrl": xxx,        "RemarkName": "",        "PYInitial": "",        "PYQuanPin": "",        "RemarkPYInitial": "",        "RemarkPYQuanPin": "",        "HideInputBarFlag": 0,        "StarFriend": 0,        "Sex": 1,        "Signature": "Apt-get install B",        "AppAccountFlag": 0,        "VerifyFlag": 0,        "ContactFlag": 0,        "WebWxPluginSwitch": 0,        "HeadImgFlag": 1,        "SnsFlag": 17    },    "ChatSet": xxx,    "SKey": xxx,    "ClientVersion": 369297683,    "SystemTime": 1453124908,    "GrayScale": 1,    "InviteStartCount": 40,    "MPSubscribeMsgCount": 2,    "MPSubscribeMsgList": [...],    "ClickReportInterval": 600000}

Obtained in this stepSyncKey,UserFor later message listening.

6. enable status notification (refer to wxStatusNotify)

API	Webwxstatusnotify
Url	Wx2.qq.com/cgi-bin/mmwebwx-bin/webwxstatusnotify
Method	POST
Data	JSON
Header	Content-Type: application/json; charset = UTF-8
Params	{ BaseRequest: {Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx }, Code: 3, FromUserName: Your own ID, ToUserName: Your own ID, ClientMsgId: Timestamp }

Returned data (JSON ):

{    "BaseResponse": {        "Ret": 0,        "ErrMsg": ""    },    ...}

7. obtain the contact list (refer to the getContact method)

API	Webwxgetcontact
Url	Wx2.qq.com/cgi-bin/mmwebwx-bin/webwxgetcontact
Method	POST
Data	JSON
Header	ContentType: application/json; charset = UTF-8
Params	{ BaseRequest :{ Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx, } }

Returned data (JSON ):

{"BaseResponse": {"Ret": 0, "ErrMsg": ""}, "MemberCount": 334, "MemberList": [{"Uin": 0, "UserName": xxx, "NickName": "urrent"," HeadImgUrl ": xxx," ContactFlag ": 3," MemberCount ": 0," MemberList ": [], "RemarkName": "", "HideInputBarFlag": 0, "Sex": 0, "Signature": "I am an egg", "VerifyFlag": 8, "OwnerUin ": 0, "PYInitial": "urrent"," PYQuanPin ":" urrent", "RemarkPYInitial": "", "RemarkPYQuanPin": "", "StarFriend": 0, "AppAccountFlag": 0, "Statues": 0, "AttrStatus": 0, "Province": "", "City": "", "Alias": "Urinxs ", "SnsFlag": 0, "UniFriend": 0, "DisplayName": "", "ChatRoomId": 0, "KeyWord": "gh _", "EncryChatRoomId ": ""},...], "Seq": 0}

8. message check (refer to syncCheck)

API	Synccheck
Url	Webpush2.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck
Method	GET
Data	JSON
Header	ContentType: application/json; charset = UTF-8
Params	{ BaseRequest :{ Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx, } }

Returned data (String ):

Window. synccheck = {retcode: "xxx", selector: "xxx"} retcode: 0 normal 1100 failed/logout selector: 0 normal 2 New Message 7 enter/exit chat interface

9. Get the latest message (refer to webwxsync)

API	Webwxsync
Url	Wx2.qq.com/cgi-bin/mmwebwx-bin/webwxsync? Sid = xxx & skey = xxx & pass_ticket = xxx
Method	POST
Data	JSON
Header	ContentType: application/json; charset = UTF-8
Params	{ BaseRequest: {Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx }, SyncKey: xxx, Rr:Reverse timestamp }

Returned data (JSON ):

{    'BaseResponse': {'ErrMsg': '', 'Ret': 0},    'SyncKey': {        'Count': 7,        'List': [            {'Val': 636214192, 'Key': 1},            ...        ]    },    'ContinueFlag': 0,    'AddMsgCount': 1,    'AddMsgList': [        {            'FromUserName': '',            'PlayLength': 0,            'RecommendInfo': {...},            'Content': "",             'StatusNotifyUserName': '',            'StatusNotifyCode': 5,            'Status': 3,            'VoiceLength': 0,            'ToUserName': '',            'ForwardFlag': 0,            'AppMsgType': 0,            'AppInfo': {'Type': 0, 'AppID': ''},            'Url': '',            'ImgStatus': 1,            'MsgType': 51,            'ImgHeight': 0,            'MediaId': '',             'FileName': '',            'FileSize': '',            ...        },        ...    ],    'ModChatRoomMemberCount': 0,    'ModContactList': [],    'DelContactList': [],    'ModChatRoomMemberList': [],    'DelContactCount': 0,    ...}

10. send messages (refer to webwxsendmsg)

API	Webwxsendmsg
Url	Wx2.qq.com/cgi-bin/mmwebwx-bin/webwxsendmsg? Pass_ticket = xxx
Method	POST
Data	JSON
Header	ContentType: application/json; charset = UTF-8
Params	{ BaseRequest: {Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx }, Msg :{ Type: 1 text message, Content: The message to be sent, FromUserName: Your own ID, ToUserName: Friend ID, LocalID: same as clientMsgId, ClientMsgId: shifts the timestamp left by four digits and then adds a random number of four digits. } }

Returned data (JSON ):

{    "BaseResponse": {        "Ret": 0,        "ErrMsg": ""    },    ...}

More information:
Github.com/xiangzhai/qwx
Github.com/Urinx/WeixinBot
Www.07net01.com/2016/01/1201188.html
Www.cnblogs.com/xiaozhi_5638/p/4103811.html