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Detailed explanation of WeChat protocol

Y2J
Release： 2017-05-06 10:27:26
Original
16724 people have browsed it

WeChat web protocol analysis (WeChat web version wx2.qq.com)

1. Open the homepage and assign a random uuid,
2. Get the QR code image based on the uuid.
3. WeChat client scans the picture and confirms login on the client.
4. The browser keeps calling an interface. If the login is successful, it calls the login interface
5. At this time, you can get the contact list and send a message. Then continuously call the synchronization interface.
6. If the synchronization interface returns, you can obtain new messages and then continue to call the synchronization 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|
+-------------+
Copy after login

WebWechat API

1. Get UUID (refer to method getUUID)

##dataURL Encodeparams##Return data (
API Get UUID
url https ://login.weixin.qq.com/jslogin
method GET
appid : wx782c26e4c19acffb
fun : new
lang : zh_CN
_ : Timestamp
String

) :

window.QRLogin.code = 200; window.QRLogin.uuid = "xxx"
Copy after login
2. Display QR code (refer to method showQrCode)

##APIDisplay QR codeurllogin.weixin.qq.com/qrcode/{uuid}methodPOSTparams : webwx
3. Wait for login (refer to method waitForLogin) Here is WeChat confirmation login
t _ : Timestamp


##APIQR code scan loginurllogin.weixin.qq.com/cgi-bin/mmwebwx-bin/loginGETtip Return data (String ):
window.code=xxx;

xxx:    408 登陆超时    201 扫描成功    200 确认登录

当返回200时，还会有
window.redirect_uri="https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket=xxx&uuid=xxx&lang=xxx&scan=xxx";
Copy after login
4. Log in to get
method
params
: 1: Not scanned 0 : Scanned uuid : Obtained uuid
_ : Timestamp
Cookie

(refer to method login)

APIwebwxnewloginpageurlwx2.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpageGETticketReturn Data (XML):
method
params
: xxx uuid : xxx
lang : zh_CN
scan : xxx
fun : new
<error>
    <ret>0</ret>
    <message>OK</message>
    <skey>xxx</skey>
    <wxsid>xxx</wxsid>
    <wxuin>xxx</wxuin>
    <pass_ticket>xxx</pass_ticket>
    <isgrayscale>1</isgrayscale></error>
Copy after login

In this step, get the skey,

wxsid

, wxuin, # in xml ##pass_ticket5. WeChat initialization (refer to method wxInit)

API

webwxiniturlwx2.qq.com/cgi-bin/mmwebwx-bin/webwxinitmethodPOSTdataJSONContent -Type: application/json; charset=UTF-8params{ BaseRequest: { Uin: xxx, Skey: xxx,
header
Sid: xxx, DeviceID: xxx,
}
}


##

返回数据(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
}
Copy after login

这一步中获取 SyncKey, User 后面的消息监听用。

6. 开启微信状态通知（参考方法 wxStatusNotify）

APIwebwxstatusnotify
urlwx2.qq.com/cgi-bin/mmwebwx-bin/webwxstatusnotify
methodPOST
dataJSON
headerContent-Type: application/json; charset=UTF-8
params{
BaseRequest: { Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx },
Code: 3,
FromUserName: 自己的ID,
ToUserName: 自己的ID,
ClientMsgId: 时间戳
}

返回数据(JSON):

{
    "BaseResponse": {
        "Ret": 0,
        "ErrMsg": ""
    },
    ...
}
Copy after login

7. 获取联系人列表（参考方法 getContact）

APIwebwxgetcontact
urlwx2.qq.com/cgi-bin/mmwebwx-bin/webwxgetcontact
methodPOST
dataJSON
headerContentType: application/json; charset=UTF-8
params{
BaseRequest: {
Uin: xxx,
Sid: xxx,
Skey: xxx,
DeviceID: xxx,
}
}

返回数据(JSON):

{
    "BaseResponse": {
        "Ret": 0,
        "ErrMsg": ""
    },
    "MemberCount": 334,
    "MemberList": [
        {
            "Uin": 0,
            "UserName": xxx,
            "NickName": "Urinx",
            "HeadImgUrl": xxx,
            "ContactFlag": 3,
            "MemberCount": 0,
            "MemberList": [],
            "RemarkName": "",
            "HideInputBarFlag": 0,
            "Sex": 0,
            "Signature": "我是二蛋",
            "VerifyFlag": 8,
            "OwnerUin": 0,
            "PYInitial": "URINX",
            "PYQuanPin": "Urinx",
            "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
}
Copy after login

8.消息检查（参考方法 syncCheck）

APIsynccheck
urlwebpush2.weixin.qq.com/cgi-bin/mmwebwx-bin/synccheck
methodGET
dataJSON
headerContentType: application/json; charset=UTF-8
params{
BaseRequest: {
Uin: xxx,
Sid: xxx,
Skey: xxx,
DeviceID: xxx,
}
}

返回数据(String):

window.synccheck={retcode:"xxx",selector:"xxx"}

retcode:
    0 正常
    1100 失败/登出微信
selector:
    0 正常
    2 新的消息
    7 进入/离开聊天界面
Copy after login

9. 获取最新消息（参考方法 webwxsync）

APIwebwxsync
urlwx2.qq.com/cgi-bin/mmwebwx-bin/webwxsync?sid=xxx&skey=xxx&pass_ticket=xxx
methodPOST
dataJSON
headerContentType: application/json; charset=UTF-8
params{
BaseRequest: { Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx },
SyncKey: xxx,
rr: 时间戳取反
}

返回数据(JSON):

{
    &#39;BaseResponse&#39;: {&#39;ErrMsg&#39;: &#39;&#39;, &#39;Ret&#39;: 0},
    &#39;SyncKey&#39;: {
        &#39;Count&#39;: 7,
        &#39;List&#39;: [
            {&#39;Val&#39;: 636214192, &#39;Key&#39;: 1},
            ...
        ]
    },
    &#39;ContinueFlag&#39;: 0,
    &#39;AddMsgCount&#39;: 1,
    &#39;AddMsgList&#39;: [
        {
            &#39;FromUserName&#39;: &#39;&#39;,
            &#39;PlayLength&#39;: 0,
            &#39;RecommendInfo&#39;: {...},
            &#39;Content&#39;: "", 
            &#39;StatusNotifyUserName&#39;: &#39;&#39;,
            &#39;StatusNotifyCode&#39;: 5,
            &#39;Status&#39;: 3,
            &#39;VoiceLength&#39;: 0,
            &#39;ToUserName&#39;: &#39;&#39;,
            &#39;ForwardFlag&#39;: 0,
            &#39;AppMsgType&#39;: 0,
            &#39;AppInfo&#39;: {&#39;Type&#39;: 0, &#39;AppID&#39;: &#39;&#39;},
            &#39;Url&#39;: &#39;&#39;,
            &#39;ImgStatus&#39;: 1,
            &#39;MsgType&#39;: 51,
            &#39;ImgHeight&#39;: 0,
            &#39;MediaId&#39;: &#39;&#39;, 
            &#39;FileName&#39;: &#39;&#39;,
            &#39;FileSize&#39;: &#39;&#39;,
            ...
        },
        ...
    ],
    &#39;ModChatRoomMemberCount&#39;: 0,
    &#39;ModContactList&#39;: [],
    &#39;DelContactList&#39;: [],
    &#39;ModChatRoomMemberList&#39;: [],
    &#39;DelContactCount&#39;: 0,
    ...
}
Copy after login

10. 发送消息（参考方法 webwxsendmsg）

APIwebwxsendmsg
urlwx2.qq.com/cgi-bin/mmwebwx-bin/webwxsendmsg?pass_ticket=xxx
methodPOST
dataJSON
headerContentType: application/json; charset=UTF-8
params{
BaseRequest: { Uin: xxx, Sid: xxx, Skey: xxx, DeviceID: xxx },
Msg: {
Type: 1 文字消息,
Content: 要发送的消息,
FromUserName: 自己的ID,
ToUserName: 好友的ID,
LocalID: 与clientMsgId相同,
ClientMsgId: 时间戳左移4位随后补上4位随机数
}
}

返回数据(JSON):

{
    "BaseResponse": {
        "Ret": 0,
        "ErrMsg": ""
    },
    ...
}
Copy after login

更多资料：
github.com/xiangzhai/qwx
github.com/Urinx/WeixinBot
www.07net01.com/2016/01/1201188.html
www.cnblogs.com/xiaozhi_5638/p/4923811.html

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