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msg_service.go
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msg_service.go
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package service
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
e "github.com/Aszzo/itchat4go/enum" /* 取个别名 */
m "github.com/Aszzo/itchat4go/model"
t "github.com/Aszzo/itchat4go/tools"
"net/http"
"net/url"
"regexp"
"strconv"
"strings"
"time"
)
/**
* 微信心跳检查 -> 根据retcode和selector 逻辑判断是否需要拉取数据
* Get:https://webpush.wx.qq.com/cgi-bin/mmwebwx-bin/synccheck?
* r=1504582260660&
* skey=%40crypt_3aaab8d5_4f38b712dd654bff65bef8406d020771&
* sid=k4FG05I6vi26YyeW&uin=154158775&
* deviceid=e637087162023800&
* synckey=1_696275959%7C2_696276056%7C3_696275995%7C11_696275997%7C13_696160001%7C201_1504582232%7C203_1504580411%7C1000_1504572121%7C1001_1504572152&
* _=1504582198153
* 这里依然要用到Cookies
*
* 根据 https://github.com/yaphone/itchat4j/blob/master/src/main/java/cn/zhouyafeng/itchat4j/utils/enums/RetCodeEnum.java
* retcode:
* NORMAL("0", "普通"),
* LOGIN_OUT("1102", "退出"),
* LOGIN_OTHERWHERE("1101", "其它地方登陆"),
* MOBILE_LOGIN_OUT("1102", "移动端退出"),
* UNKOWN("9999", "未知")
*
* 自己分析下来
* selector:
* 4:有某位联系人更新了个人信息
* 2:有人发消息了 拉取后,MsgType = 1为文字消息,提取content得到聊天文本
* 每次拉取,需要更新SyncKey,见WebWxSync函数
**/
func SyncCheck(loginMap *m.LoginMap) (int64, int64, error) {
urlMap := map[string]string{}
urlMap[e.R] = fmt.Sprintf("%d", time.Now().UnixNano()/1000000)
urlMap[e.SKey] = loginMap.BaseRequest.SKey
urlMap[e.Sid] = loginMap.BaseRequest.Sid
urlMap[e.Uin] = loginMap.BaseRequest.Uin
urlMap[e.DeviceId] = loginMap.BaseRequest.DeviceID
urlMap[e.SyncKey] = loginMap.SyncKeyStr
urlMap[e.TimeStamp] = urlMap[e.R]
u, _ := url.Parse("https://wx.qq.com")
timeout := time.Duration(30 * time.Second)
jar := new(m.Jar)
jar.SetCookies(u, loginMap.Cookies)
client := &http.Client{
Jar: jar,
Timeout: timeout}
resp, err := client.Get(e.SYNC_CHECK_URL + t.GetURLParams(urlMap))
if err != nil {
return 0, 0, err
}
defer resp.Body.Close()
respBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return 0, 0, err
}
/* 根据正则得到selector => window.synccheck={retcode:"0",selector:"0"}*/
reg := regexp.MustCompile(`^window.synccheck={retcode:"(\d+)",selector:"(\d+)"}$`)
matches := reg.FindStringSubmatch(string(respBytes))
retcode, err := strconv.ParseInt(matches[1], 10, 64) /* 取第二个数据为retcode值 */
if err != nil {
return 0, 0, errors.New("解析微信心跳数据失败:\n" + err.Error() + "\n" + string(respBytes))
}
selector, err := strconv.ParseInt(matches[2], 10, 64) /* 取第三个数据为selector值 */
if err != nil {
return 0, 0, errors.New("解析微信心跳数据失败:\n" + err.Error() + "\n" + string(respBytes))
}
if retcode != 0 {
return retcode, selector, errors.New("retcode异常,程序将退出")
}
return retcode, selector, nil
}
/**
* 微信同步拉取消息,最主要的消息响应逻辑
* POST:https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxsync?
* sid=u6j1MoqYJgbI66kO&
* skey=@crypt_3aaab8d5_1f2b5690081714b78fc9b70ee3e4538c&
* pass_ticket=M3%252BbNp65pZ53GJwvd7aq%252FQuS5Rd7lctHU0qilHs7Fjw%253D
* BODY:{
* "BaseRequest":{"Uin":154158775,"Sid":"u6j1MoqYJgbI66kO","Skey":"@crypt_3aaab8d5_1f2b5690081714b78fc9b70ee3e4538c","DeviceID":"e215003169713295"},
* "SyncKey":{"Count":8,"List":[{"Key":1,"Val":696275959},{"Key":2,"Val":696276275},{"Key":3,"Val":696276260},{"Key":11,"Val":696275997},{"Key":13,"Val":696160001},{"Key":201,"Val":1504604303},{"Key":1000,"Val":1504603672},{"Key":1001,"Val":1504572152}]},
* "rr":-1365833882
* }
* @param {[type]} loginMap m.LoginMap [description]
*/
func WebWxSync(loginMap *m.LoginMap) (m.WxRecvMsges, error) {
wxMsges := m.WxRecvMsges{}
urlMap := map[string]string{}
urlMap[e.Sid] = loginMap.BaseRequest.Sid
urlMap[e.SKey] = loginMap.BaseRequest.SKey
urlMap[e.PassTicket] = loginMap.PassTicket
webWxSyncJsonData := map[string]interface{}{}
webWxSyncJsonData["BaseRequest"] = loginMap.BaseRequest
webWxSyncJsonData["SyncKey"] = loginMap.SyncKeys
webWxSyncJsonData["rr"] = -time.Now().Unix()
jsonBytes, err := json.Marshal(webWxSyncJsonData)
if err != nil {
return wxMsges, err
}
resp, err := http.Post(e.WEB_WX_SYNC_URL+t.GetURLParams(urlMap), e.JSON_HEADER, strings.NewReader(string(jsonBytes)))
if err != nil {
return wxMsges, err
}
defer resp.Body.Close()
bodyBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
return wxMsges, err
}
/* 解析组装消息对象 */
err = json.Unmarshal(bodyBytes, &wxMsges)
if err != nil {
return wxMsges, err
}
/* 更新SyncKey */
loginMap.SyncKeys = wxMsges.SyncKeys
loginMap.SyncKeyStr = wxMsges.SyncKeys.ToString()
return wxMsges, nil
}
func SendMsg(loginMap *m.LoginMap, wxSendMsg m.WxSendMsg) error {
urlMap := map[string]string{}
urlMap[e.Lang] = e.LangValue
urlMap[e.PassTicket] = loginMap.PassTicket
wxSendMsgMap := map[string]interface{}{}
wxSendMsgMap[e.BaseRequest] = loginMap.BaseRequest
wxSendMsgMap["Msg"] = wxSendMsg
wxSendMsgMap["Scene"] = 0
jsonBytes, err := json.Marshal(wxSendMsgMap)
if err != nil {
return err
}
// TODO: 发送微信消息时暂不处理返回值
_, err = http.Post(e.WEB_WX_SENDMSG_URL+t.GetURLParams(urlMap), e.JSON_HEADER, strings.NewReader(string(jsonBytes)))
if err != nil {
return err
}
return nil
}
/* 邀请联系人加入群 */
func InviteMember(loginMap *m.LoginMap, memberUserName string, chatRoomUserName string) error {
urlMap := map[string]string{}
urlMap["fun"] = "invitemember"
wxUpdateChatRoomMap := map[string]interface{}{}
wxUpdateChatRoomMap[e.BaseRequest] = loginMap.BaseRequest
wxUpdateChatRoomMap["InviteMemberList"] = memberUserName
wxUpdateChatRoomMap["ChatRoomName"] = chatRoomUserName
jsonBytes, err := json.Marshal(wxUpdateChatRoomMap)
if err != nil {
return err
}
//TODO:发送群聊邀请暂不做反馈解析
u, _ := url.Parse("https://wx.qq.com")
timeout := time.Duration(30 * time.Second)
jar := new(m.Jar)
jar.SetCookies(u, loginMap.Cookies)
client := &http.Client{
Jar: jar,
Timeout: timeout}
_, err = client.Post(e.WEB_WX_UPDATECHATROOM_URL+t.GetURLParams(urlMap), e.JSON_HEADER, strings.NewReader(string(jsonBytes)))
return nil
}