c13e680b3d
2. 支持名片、视频号、QQ音乐、小程序、定位等消息的显示 3. 支持直播、游戏消息、语音通话、视频通话等消息的显示 4. 解密前判断对数据库是否有读权限 5. system消息html格式转文本
951 lines
24 KiB
Go
951 lines
24 KiB
Go
package wechat
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import (
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"bufio"
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"bytes"
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"crypto/hmac"
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"crypto/sha1"
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"database/sql"
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"encoding/binary"
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"encoding/hex"
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"errors"
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"fmt"
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"io"
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"log"
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"os"
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"path/filepath"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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"unsafe"
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"github.com/git-jiadong/go-lame"
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"github.com/git-jiadong/go-silk"
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_ "github.com/mattn/go-sqlite3"
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"github.com/shirou/gopsutil/v3/process"
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"golang.org/x/sys/windows"
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)
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type WeChatInfo struct {
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ProcessID uint32
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FilePath string
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AcountName string
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Version string
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Is64Bits bool
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DllBaseAddr uintptr
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DllBaseSize uint32
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DBKey string
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}
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type WeChatInfoList struct {
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Info []WeChatInfo `json:"Info"`
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Total int `json:"Total"`
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}
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type wechatMediaMSG struct {
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Key string
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MsgSvrID int
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Buf []byte
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}
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type wechatHeadImgMSG struct {
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userName string
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Buf []byte
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}
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func GetWeChatAllInfo() *WeChatInfoList {
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list := GetWeChatInfo()
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for i := range list.Info {
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list.Info[i].DBKey = GetWeChatKey(&list.Info[i])
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}
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return list
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}
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func ExportWeChatAllData(info WeChatInfo, expPath string, progress chan<- string) {
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defer close(progress)
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fileInfo, err := os.Stat(info.FilePath)
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if err != nil || !fileInfo.IsDir() {
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%s error\"}", info.FilePath)
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return
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}
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if !exportWeChatDateBase(info, expPath, progress) {
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return
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}
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exportWeChatBat(info, expPath, progress)
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exportWeChatVideoAndFile(info, expPath, progress)
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exportWeChatVoice(info, expPath, progress)
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exportWeChatHeadImage(info, expPath, progress)
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}
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func exportWeChatHeadImage(info WeChatInfo, expPath string, progress chan<- string) {
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat Head Image\", \"progress\": 81}"
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headImgPath := fmt.Sprintf("%s\\FileStorage\\HeadImage", expPath)
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if _, err := os.Stat(headImgPath); err != nil {
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if err := os.MkdirAll(headImgPath, 0644); err != nil {
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log.Printf("MkdirAll %s failed: %v\n", headImgPath, err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%v error\"}", err)
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return
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}
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}
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handleNumber := int64(0)
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fileNumber := int64(0)
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var wg sync.WaitGroup
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var reportWg sync.WaitGroup
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quitChan := make(chan struct{})
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MSGChan := make(chan wechatHeadImgMSG, 100)
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go func() {
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for {
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miscDBPath := fmt.Sprintf("%s\\Msg\\Misc.db", expPath)
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_, err := os.Stat(miscDBPath)
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if err != nil {
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log.Println("no exist:", miscDBPath)
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break
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}
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db, err := sql.Open("sqlite3", miscDBPath)
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if err != nil {
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log.Printf("open %s failed: %v\n", miscDBPath, err)
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break
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}
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defer db.Close()
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err = db.QueryRow("select count(*) from ContactHeadImg1;").Scan(&fileNumber)
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if err != nil {
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log.Println("select count(*) failed", err)
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break
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}
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log.Println("ContactHeadImg1 fileNumber", fileNumber)
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rows, err := db.Query("select ifnull(usrName,'') as usrName, ifnull(smallHeadBuf,'') as smallHeadBuf from ContactHeadImg1;")
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if err != nil {
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log.Printf("Query failed: %v\n", err)
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break
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}
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msg := wechatHeadImgMSG{}
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for rows.Next() {
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err := rows.Scan(&msg.userName, &msg.Buf)
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if err != nil {
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log.Println("Scan failed: ", err)
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break
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}
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MSGChan <- msg
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}
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break
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}
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close(MSGChan)
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}()
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for i := 0; i < 20; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for msg := range MSGChan {
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imgPath := fmt.Sprintf("%s\\%s.headimg", headImgPath, msg.userName)
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for {
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// log.Println("imgPath:", imgPath, len(msg.Buf))
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_, err := os.Stat(imgPath)
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if err == nil {
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break
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}
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if len(msg.userName) == 0 || len(msg.Buf) == 0 {
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break
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}
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err = os.WriteFile(imgPath, msg.Buf[:], 0666)
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if err != nil {
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log.Println("WriteFile:", imgPath, err)
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}
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break
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}
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atomic.AddInt64(&handleNumber, 1)
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}
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}()
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}
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reportWg.Add(1)
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go func() {
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defer reportWg.Done()
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for {
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select {
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case <-quitChan:
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log.Println("WeChat Head Image report progress end")
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return
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default:
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if fileNumber != 0 {
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filePercent := float64(handleNumber) / float64(fileNumber)
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totalPercent := 81 + (filePercent * (100 - 81))
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totalPercentStr := fmt.Sprintf("{\"status\":\"processing\", \"result\":\"export WeChat Head Image doing\", \"progress\": %d}", int(totalPercent))
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progress <- totalPercentStr
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}
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time.Sleep(time.Second)
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}
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}
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}()
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wg.Wait()
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close(quitChan)
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reportWg.Wait()
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat Head Image end\", \"progress\": 100}"
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}
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func exportWeChatVoice(info WeChatInfo, expPath string, progress chan<- string) {
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat voice start\", \"progress\": 61}"
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voicePath := fmt.Sprintf("%s\\FileStorage\\Voice", expPath)
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if _, err := os.Stat(voicePath); err != nil {
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if err := os.MkdirAll(voicePath, 0644); err != nil {
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log.Printf("MkdirAll %s failed: %v\n", voicePath, err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%v error\"}", err)
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return
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}
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}
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handleNumber := int64(0)
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fileNumber := int64(0)
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index := 0
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for {
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mediaMSGDB := fmt.Sprintf("%s\\Msg\\Multi\\MediaMSG%d.db", expPath, index)
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_, err := os.Stat(mediaMSGDB)
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if err != nil {
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break
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}
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index += 1
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fileNumber += 1
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}
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var wg sync.WaitGroup
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var reportWg sync.WaitGroup
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quitChan := make(chan struct{})
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index = -1
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MSGChan := make(chan wechatMediaMSG, 100)
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go func() {
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for {
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index += 1
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mediaMSGDB := fmt.Sprintf("%s\\Msg\\Multi\\MediaMSG%d.db", expPath, index)
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_, err := os.Stat(mediaMSGDB)
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if err != nil {
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break
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}
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db, err := sql.Open("sqlite3", mediaMSGDB)
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if err != nil {
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log.Printf("open %s failed: %v\n", mediaMSGDB, err)
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continue
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}
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defer db.Close()
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rows, err := db.Query("select Key, Reserved0, Buf from Media;")
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if err != nil {
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log.Printf("Query failed: %v\n", err)
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continue
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}
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msg := wechatMediaMSG{}
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for rows.Next() {
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err := rows.Scan(&msg.Key, &msg.MsgSvrID, &msg.Buf)
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if err != nil {
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log.Println("Scan failed: ", err)
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break
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}
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MSGChan <- msg
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}
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atomic.AddInt64(&handleNumber, 1)
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}
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close(MSGChan)
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}()
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for i := 0; i < 20; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for msg := range MSGChan {
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mp3Path := fmt.Sprintf("%s\\%d.mp3", voicePath, msg.MsgSvrID)
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_, err := os.Stat(mp3Path)
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if err == nil {
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continue
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}
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err = silkToMp3(msg.Buf[:], mp3Path)
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if err != nil {
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log.Printf("silkToMp3 %s failed: %v\n", mp3Path, err)
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}
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}
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}()
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}
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reportWg.Add(1)
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go func() {
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defer reportWg.Done()
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for {
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select {
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case <-quitChan:
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log.Println("WeChat voice report progress end")
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return
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default:
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filePercent := float64(handleNumber) / float64(fileNumber)
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totalPercent := 61 + (filePercent * (80 - 61))
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totalPercentStr := fmt.Sprintf("{\"status\":\"processing\", \"result\":\"export WeChat voice doing\", \"progress\": %d}", int(totalPercent))
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progress <- totalPercentStr
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time.Sleep(time.Second)
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}
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}
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}()
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wg.Wait()
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close(quitChan)
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reportWg.Wait()
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat voice end\", \"progress\": 80}"
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}
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func exportWeChatVideoAndFile(info WeChatInfo, expPath string, progress chan<- string) {
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat Video and File start\", , \"progress\": 41}"
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videoRootPath := info.FilePath + "\\FileStorage\\Video"
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fileRootPath := info.FilePath + "\\FileStorage\\File"
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cacheRootPath := info.FilePath + "\\FileStorage\\Cache"
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rootPaths := []string{videoRootPath, fileRootPath, cacheRootPath}
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handleNumber := int64(0)
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fileNumber := int64(0)
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for _, path := range rootPaths {
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fileNumber += getPathFileNumber(path, "")
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}
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log.Println("VideoAndFile ", fileNumber)
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var wg sync.WaitGroup
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var reportWg sync.WaitGroup
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quitChan := make(chan struct{})
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taskChan := make(chan [2]string, 100)
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go func() {
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for _, rootPath := range rootPaths {
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log.Println(rootPath)
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err := filepath.Walk(rootPath, func(path string, finfo os.FileInfo, err error) error {
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if err != nil {
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log.Printf("filepath.Walk：%v\n", err)
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return err
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}
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if !finfo.IsDir() {
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expFile := expPath + path[len(info.FilePath):]
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_, err := os.Stat(filepath.Dir(expFile))
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if err != nil {
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os.MkdirAll(filepath.Dir(expFile), 0644)
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}
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task := [2]string{path, expFile}
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taskChan <- task
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return nil
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}
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return nil
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})
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if err != nil {
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log.Println("filepath.Walk:", err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%v\"}", err)
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}
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}
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close(taskChan)
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}()
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for i := 1; i < 30; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for task := range taskChan {
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_, err := os.Stat(task[1])
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if err == nil {
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atomic.AddInt64(&handleNumber, 1)
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continue
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}
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_, err = copyFile(task[0], task[1])
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if err != nil {
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log.Println("DecryptDat:", err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"copyFile %v\"}", err)
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}
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atomic.AddInt64(&handleNumber, 1)
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}
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}()
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}
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reportWg.Add(1)
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go func() {
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defer reportWg.Done()
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for {
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select {
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case <-quitChan:
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log.Println("WeChat Video and File report progress end")
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return
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default:
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filePercent := float64(handleNumber) / float64(fileNumber)
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totalPercent := 41 + (filePercent * (60 - 41))
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totalPercentStr := fmt.Sprintf("{\"status\":\"processing\", \"result\":\"export WeChat Video and File doing\", \"progress\": %d}", int(totalPercent))
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progress <- totalPercentStr
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time.Sleep(time.Second)
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}
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}
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}()
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wg.Wait()
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close(quitChan)
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reportWg.Wait()
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat Video and File end\", \"progress\": 60}"
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}
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func exportWeChatBat(info WeChatInfo, expPath string, progress chan<- string) {
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat Dat start\", \"progress\": 21}"
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datRootPath := info.FilePath + "\\FileStorage\\MsgAttach"
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fileInfo, err := os.Stat(datRootPath)
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if err != nil || !fileInfo.IsDir() {
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%s error\"}", datRootPath)
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return
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}
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handleNumber := int64(0)
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fileNumber := getPathFileNumber(datRootPath, ".dat")
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var wg sync.WaitGroup
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var reportWg sync.WaitGroup
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quitChan := make(chan struct{})
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taskChan := make(chan [2]string, 100)
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go func() {
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err = filepath.Walk(datRootPath, func(path string, finfo os.FileInfo, err error) error {
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if err != nil {
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log.Printf("filepath.Walk：%v\n", err)
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return err
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}
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if !finfo.IsDir() && strings.HasSuffix(path, ".dat") {
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expFile := expPath + path[len(info.FilePath):]
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_, err := os.Stat(filepath.Dir(expFile))
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if err != nil {
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os.MkdirAll(filepath.Dir(expFile), 0644)
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}
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task := [2]string{path, expFile}
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taskChan <- task
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return nil
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}
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return nil
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})
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if err != nil {
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log.Println("filepath.Walk:", err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%v\"}", err)
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}
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close(taskChan)
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}()
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for i := 1; i < 30; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for task := range taskChan {
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_, err = os.Stat(task[1])
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if err == nil {
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atomic.AddInt64(&handleNumber, 1)
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continue
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}
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err = DecryptDat(task[0], task[1])
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if err != nil {
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log.Println("DecryptDat:", err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"DecryptDat %v\"}", err)
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}
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atomic.AddInt64(&handleNumber, 1)
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}
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}()
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}
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reportWg.Add(1)
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go func() {
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defer reportWg.Done()
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for {
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select {
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case <-quitChan:
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log.Println("WeChat Dat report progress end")
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return
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default:
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filePercent := float64(handleNumber) / float64(fileNumber)
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totalPercent := 21 + (filePercent * (40 - 21))
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totalPercentStr := fmt.Sprintf("{\"status\":\"processing\", \"result\":\"export WeChat Dat doing\", \"progress\": %d}", int(totalPercent))
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progress <- totalPercentStr
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time.Sleep(time.Second)
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}
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}
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}()
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wg.Wait()
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close(quitChan)
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reportWg.Wait()
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat Dat end\", \"progress\": 40}"
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}
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func exportWeChatDateBase(info WeChatInfo, expPath string, progress chan<- string) bool {
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progress <- "{\"status\":\"processing\", \"result\":\"export WeChat DateBase start\", \"progress\": 1}"
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dbKey, err := hex.DecodeString(info.DBKey)
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if err != nil {
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log.Println("DecodeString:", err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%v\"}", err)
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return false
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}
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handleNumber := int64(0)
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fileNumber := getPathFileNumber(info.FilePath+"\\Msg", ".db")
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var wg sync.WaitGroup
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var reportWg sync.WaitGroup
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quitChan := make(chan struct{})
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taskChan := make(chan [2]string, 20)
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go func() {
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err = filepath.Walk(info.FilePath+"\\Msg", func(path string, finfo os.FileInfo, err error) error {
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if err != nil {
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log.Printf("filepath.Walk：%v\n", err)
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return err
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}
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if !finfo.IsDir() && strings.HasSuffix(path, ".db") {
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expFile := expPath + path[len(info.FilePath):]
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_, err := os.Stat(filepath.Dir(expFile))
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if err != nil {
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os.MkdirAll(filepath.Dir(expFile), 0644)
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}
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task := [2]string{path, expFile}
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taskChan <- task
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}
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return nil
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})
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if err != nil {
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log.Println("filepath.Walk:", err)
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progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%v\"}", err)
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}
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close(taskChan)
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}()
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for i := 1; i < 20; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for task := range taskChan {
|
||
if filepath.Base(task[0]) == "xInfo.db" {
|
||
copyFile(task[0], task[1])
|
||
} else {
|
||
err = DecryptDataBase(task[0], dbKey, task[1])
|
||
if err != nil {
|
||
log.Println("DecryptDataBase:", err)
|
||
progress <- fmt.Sprintf("{\"status\":\"error\", \"result\":\"%s %v\"}", task[0], err)
|
||
}
|
||
}
|
||
atomic.AddInt64(&handleNumber, 1)
|
||
}
|
||
}()
|
||
}
|
||
|
||
reportWg.Add(1)
|
||
go func() {
|
||
defer reportWg.Done()
|
||
for {
|
||
select {
|
||
case <-quitChan:
|
||
log.Println("WeChat DateBase report progress end")
|
||
return
|
||
default:
|
||
filePercent := float64(handleNumber) / float64(fileNumber)
|
||
totalPercent := 1 + (filePercent * (20 - 1))
|
||
totalPercentStr := fmt.Sprintf("{\"status\":\"processing\", \"result\":\"export WeChat DateBase doing\", \"progress\": %d}", int(totalPercent))
|
||
progress <- totalPercentStr
|
||
time.Sleep(time.Second)
|
||
}
|
||
}
|
||
}()
|
||
wg.Wait()
|
||
close(quitChan)
|
||
reportWg.Wait()
|
||
progress <- "{\"status\":\"processing\", \"result\":\"export WeChat DateBase end\", \"progress\": 20}"
|
||
return true
|
||
}
|
||
|
||
func GetWeChatInfo() (list *WeChatInfoList) {
|
||
list = &WeChatInfoList{}
|
||
list.Info = make([]WeChatInfo, 0)
|
||
list.Total = 0
|
||
|
||
processes, err := process.Processes()
|
||
if err != nil {
|
||
log.Println("Error getting processes:", err)
|
||
return
|
||
}
|
||
|
||
for _, p := range processes {
|
||
name, err := p.Name()
|
||
if err != nil {
|
||
continue
|
||
}
|
||
info := WeChatInfo{}
|
||
if name == "WeChat.exe" {
|
||
info.ProcessID = uint32(p.Pid)
|
||
info.Is64Bits, _ = Is64BitProcess(info.ProcessID)
|
||
log.Println("ProcessID", info.ProcessID)
|
||
files, err := p.OpenFiles()
|
||
if err != nil {
|
||
log.Println("OpenFiles failed")
|
||
continue
|
||
}
|
||
|
||
for _, f := range files {
|
||
if strings.HasSuffix(f.Path, "\\Media.db") {
|
||
// fmt.Printf("opened %s\n", f.Path[4:])
|
||
filePath := f.Path[4:]
|
||
parts := strings.Split(filePath, string(filepath.Separator))
|
||
if len(parts) < 4 {
|
||
log.Println("Error filePath " + filePath)
|
||
break
|
||
}
|
||
info.FilePath = strings.Join(parts[:len(parts)-2], string(filepath.Separator))
|
||
info.AcountName = strings.Join(parts[len(parts)-3:len(parts)-2], string(filepath.Separator))
|
||
}
|
||
|
||
}
|
||
|
||
if len(info.FilePath) == 0 {
|
||
log.Println("wechat not log in")
|
||
continue
|
||
}
|
||
|
||
hModuleSnap, err := windows.CreateToolhelp32Snapshot(windows.TH32CS_SNAPMODULE|windows.TH32CS_SNAPMODULE32, uint32(p.Pid))
|
||
if err != nil {
|
||
log.Println("CreateToolhelp32Snapshot failed", err)
|
||
continue
|
||
}
|
||
defer windows.CloseHandle(hModuleSnap)
|
||
|
||
var me32 windows.ModuleEntry32
|
||
me32.Size = uint32(windows.SizeofModuleEntry32)
|
||
|
||
err = windows.Module32First(hModuleSnap, &me32)
|
||
if err != nil {
|
||
log.Println("Module32First failed", err)
|
||
continue
|
||
}
|
||
|
||
for ; err == nil; err = windows.Module32Next(hModuleSnap, &me32) {
|
||
if windows.UTF16ToString(me32.Module[:]) == "WeChatWin.dll" {
|
||
// fmt.Printf("MODULE NAME: %s\n", windows.UTF16ToString(me32.Module[:]))
|
||
// fmt.Printf("executable NAME: %s\n", windows.UTF16ToString(me32.ExePath[:]))
|
||
// fmt.Printf("base address: 0x%08X\n", me32.ModBaseAddr)
|
||
// fmt.Printf("base ModBaseSize: %d\n", me32.ModBaseSize)
|
||
info.DllBaseAddr = me32.ModBaseAddr
|
||
info.DllBaseSize = me32.ModBaseSize
|
||
|
||
var zero windows.Handle
|
||
driverPath := windows.UTF16ToString(me32.ExePath[:])
|
||
infoSize, err := windows.GetFileVersionInfoSize(driverPath, &zero)
|
||
if err != nil {
|
||
log.Println("GetFileVersionInfoSize failed", err)
|
||
break
|
||
}
|
||
versionInfo := make([]byte, infoSize)
|
||
if err = windows.GetFileVersionInfo(driverPath, 0, infoSize, unsafe.Pointer(&versionInfo[0])); err != nil {
|
||
log.Println("GetFileVersionInfo failed", err)
|
||
break
|
||
}
|
||
var fixedInfo *windows.VS_FIXEDFILEINFO
|
||
fixedInfoLen := uint32(unsafe.Sizeof(*fixedInfo))
|
||
err = windows.VerQueryValue(unsafe.Pointer(&versionInfo[0]), `\`, (unsafe.Pointer)(&fixedInfo), &fixedInfoLen)
|
||
if err != nil {
|
||
log.Println("VerQueryValue failed", err)
|
||
break
|
||
}
|
||
// fmt.Printf("%s: v%d.%d.%d.%d\n", windows.UTF16ToString(me32.Module[:]),
|
||
// (fixedInfo.FileVersionMS>>16)&0xff,
|
||
// (fixedInfo.FileVersionMS>>0)&0xff,
|
||
// (fixedInfo.FileVersionLS>>16)&0xff,
|
||
// (fixedInfo.FileVersionLS>>0)&0xff)
|
||
|
||
info.Version = fmt.Sprintf("%d.%d.%d.%d",
|
||
(fixedInfo.FileVersionMS>>16)&0xff,
|
||
(fixedInfo.FileVersionMS>>0)&0xff,
|
||
(fixedInfo.FileVersionLS>>16)&0xff,
|
||
(fixedInfo.FileVersionLS>>0)&0xff)
|
||
list.Info = append(list.Info, info)
|
||
list.Total += 1
|
||
break
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return
|
||
}
|
||
|
||
func Is64BitProcess(pid uint32) (bool, error) {
|
||
is64Bit := false
|
||
handle, err := windows.OpenProcess(windows.PROCESS_QUERY_INFORMATION, false, pid)
|
||
if err != nil {
|
||
log.Println("Error opening process:", err)
|
||
return is64Bit, errors.New("OpenProcess failed")
|
||
}
|
||
defer windows.CloseHandle(handle)
|
||
|
||
err = windows.IsWow64Process(handle, &is64Bit)
|
||
if err != nil {
|
||
log.Println("Error IsWow64Process:", err)
|
||
}
|
||
return !is64Bit, err
|
||
}
|
||
|
||
func GetWeChatKey(info *WeChatInfo) string {
|
||
mediaDB := info.FilePath + "\\Msg\\Media.db"
|
||
if _, err := os.Stat(mediaDB); err != nil {
|
||
log.Printf("open db %s error: %v", mediaDB, err)
|
||
return ""
|
||
}
|
||
|
||
handle, err := windows.OpenProcess(windows.PROCESS_QUERY_INFORMATION|windows.PROCESS_VM_READ, false, uint32(info.ProcessID))
|
||
if err != nil {
|
||
log.Println("Error opening process:", err)
|
||
return ""
|
||
}
|
||
defer windows.CloseHandle(handle)
|
||
|
||
buffer := make([]byte, info.DllBaseSize)
|
||
err = windows.ReadProcessMemory(handle, uintptr(info.DllBaseAddr), &buffer[0], uintptr(len(buffer)), nil)
|
||
if err != nil {
|
||
log.Println("Error ReadProcessMemory:", err)
|
||
return ""
|
||
}
|
||
|
||
offset := 0
|
||
// searchStr := []byte(info.AcountName)
|
||
for {
|
||
index := hasDeviceSybmol(buffer[offset:])
|
||
if index == -1 {
|
||
log.Println("has not DeviceSybmol")
|
||
break
|
||
}
|
||
fmt.Printf("hasDeviceSybmol: 0x%X\n", index)
|
||
keys := findDBKeyPtr(buffer[offset:index], info.Is64Bits)
|
||
// fmt.Println("keys:", keys)
|
||
|
||
key, err := findDBkey(handle, info.FilePath+"\\Msg\\Media.db", keys)
|
||
if err == nil {
|
||
// fmt.Println("key:", key)
|
||
return key
|
||
}
|
||
|
||
offset += (index + 20)
|
||
}
|
||
|
||
return ""
|
||
}
|
||
|
||
func hasDeviceSybmol(buffer []byte) int {
|
||
sybmols := [...][]byte{
|
||
{'a', 'n', 'd', 'r', 'o', 'i', 'd', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00},
|
||
{'p', 'a', 'd', '-', 'a', 'n', 'd', 'r', 'o', 'i', 'd', 0x00, 0x00, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00},
|
||
{'i', 'p', 'h', 'o', 'n', 'e', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00},
|
||
{'i', 'p', 'a', 'd', 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00},
|
||
}
|
||
for _, syb := range sybmols {
|
||
if index := bytes.Index(buffer, syb); index != -1 {
|
||
return index
|
||
}
|
||
}
|
||
|
||
return -1
|
||
}
|
||
|
||
func findDBKeyPtr(buffer []byte, is64Bits bool) [][]byte {
|
||
keys := make([][]byte, 0)
|
||
step := 8
|
||
keyLen := []byte{0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
|
||
if !is64Bits {
|
||
keyLen = keyLen[:4]
|
||
step = 4
|
||
}
|
||
|
||
offset := len(buffer) - step
|
||
for {
|
||
if bytes.Contains(buffer[offset:offset+step], keyLen) {
|
||
keys = append(keys, buffer[offset-step:offset])
|
||
}
|
||
|
||
offset -= step
|
||
if offset <= 0 {
|
||
break
|
||
}
|
||
}
|
||
|
||
return keys
|
||
}
|
||
|
||
func findDBkey(handle windows.Handle, path string, keys [][]byte) (string, error) {
|
||
var keyAddrPtr uint64
|
||
addrBuffer := make([]byte, 0x08)
|
||
for _, key := range keys {
|
||
copy(addrBuffer, key)
|
||
err := binary.Read(bytes.NewReader(addrBuffer), binary.LittleEndian, &keyAddrPtr)
|
||
if err != nil {
|
||
log.Println("binary.Read:", err)
|
||
continue
|
||
}
|
||
if keyAddrPtr == 0x00 {
|
||
continue
|
||
}
|
||
log.Printf("keyAddrPtr: 0x%X\n", keyAddrPtr)
|
||
keyBuffer := make([]byte, 0x20)
|
||
err = windows.ReadProcessMemory(handle, uintptr(keyAddrPtr), &keyBuffer[0], uintptr(len(keyBuffer)), nil)
|
||
if err != nil {
|
||
// fmt.Println("Error ReadProcessMemory:", err)
|
||
continue
|
||
}
|
||
if checkDataBaseKey(path, keyBuffer) {
|
||
return hex.EncodeToString(keyBuffer), nil
|
||
}
|
||
}
|
||
|
||
return "", errors.New("not found key")
|
||
}
|
||
|
||
func checkDataBaseKey(path string, password []byte) bool {
|
||
fp, err := os.Open(path)
|
||
if err != nil {
|
||
return false
|
||
}
|
||
defer fp.Close()
|
||
|
||
fpReader := bufio.NewReaderSize(fp, defaultPageSize*100)
|
||
|
||
buffer := make([]byte, defaultPageSize)
|
||
|
||
n, err := fpReader.Read(buffer)
|
||
if err != nil && n != defaultPageSize {
|
||
log.Println("read failed:", err, n)
|
||
return false
|
||
}
|
||
|
||
salt := buffer[:16]
|
||
key := pbkdf2HMAC(password, salt, defaultIter, keySize)
|
||
|
||
page1 := buffer[16:defaultPageSize]
|
||
|
||
macSalt := xorBytes(salt, 0x3a)
|
||
macKey := pbkdf2HMAC(key, macSalt, 2, keySize)
|
||
|
||
hashMac := hmac.New(sha1.New, macKey)
|
||
hashMac.Write(page1[:len(page1)-32])
|
||
hashMac.Write([]byte{1, 0, 0, 0})
|
||
|
||
return hmac.Equal(hashMac.Sum(nil), page1[len(page1)-32:len(page1)-12])
|
||
}
|
||
|
||
func (info WeChatInfo) String() string {
|
||
return fmt.Sprintf("PID: %d\nVersion: v%s\nBaseAddr: 0x%08X\nDllSize: %d\nIs 64Bits: %v\nFilePath %s\nAcountName: %s",
|
||
info.ProcessID, info.Version, info.DllBaseAddr, info.DllBaseSize, info.Is64Bits, info.FilePath, info.AcountName)
|
||
}
|
||
|
||
func copyFile(src, dst string) (int64, error) {
|
||
sourceFile, err := os.Open(src)
|
||
if err != nil {
|
||
return 0, err
|
||
}
|
||
defer sourceFile.Close()
|
||
|
||
destFile, err := os.Create(dst)
|
||
if err != nil {
|
||
return 0, err
|
||
}
|
||
defer destFile.Close()
|
||
|
||
bytesWritten, err := io.Copy(destFile, sourceFile)
|
||
if err != nil {
|
||
return bytesWritten, err
|
||
}
|
||
|
||
return bytesWritten, nil
|
||
}
|
||
|
||
func silkToMp3(amrBuf []byte, mp3Path string) error {
|
||
amrReader := bytes.NewReader(amrBuf)
|
||
|
||
var pcmBuffer bytes.Buffer
|
||
sr := silk.NewWriter(&pcmBuffer)
|
||
sr.Decoder.SetSampleRate(24000)
|
||
amrReader.WriteTo(sr)
|
||
sr.Close()
|
||
|
||
if pcmBuffer.Len() == 0 {
|
||
return errors.New("silk to mp3 failed " + mp3Path)
|
||
}
|
||
|
||
of, err := os.Create(mp3Path)
|
||
if err != nil {
|
||
return nil
|
||
}
|
||
defer of.Close()
|
||
|
||
wr := lame.NewWriter(of)
|
||
wr.Encoder.SetInSamplerate(24000)
|
||
wr.Encoder.SetOutSamplerate(24000)
|
||
wr.Encoder.SetNumChannels(1)
|
||
wr.Encoder.SetQuality(5)
|
||
// IMPORTANT!
|
||
wr.Encoder.InitParams()
|
||
|
||
pcmBuffer.WriteTo(wr)
|
||
wr.Close()
|
||
|
||
return nil
|
||
}
|
||
|
||
func getPathFileNumber(targetPath string, fileSuffix string) int64 {
|
||
|
||
number := int64(0)
|
||
err := filepath.Walk(targetPath, func(path string, finfo os.FileInfo, err error) error {
|
||
if err != nil {
|
||
log.Printf("filepath.Walk：%v\n", err)
|
||
return err
|
||
}
|
||
if !finfo.IsDir() && strings.HasSuffix(path, fileSuffix) {
|
||
number += 1
|
||
}
|
||
|
||
return nil
|
||
})
|
||
if err != nil {
|
||
log.Println("filepath.Walk:", err)
|
||
}
|
||
|
||
return number
|
||
}
|
||
|
||
func ExportWeChatHeadImage(exportPath string) {
|
||
progress := make(chan string)
|
||
info := WeChatInfo{}
|
||
|
||
miscDBPath := fmt.Sprintf("%s\\Msg\\Misc.db", exportPath)
|
||
_, err := os.Stat(miscDBPath)
|
||
if err != nil {
|
||
log.Println("no exist:", miscDBPath)
|
||
return
|
||
}
|
||
|
||
headImgPath := fmt.Sprintf("%s\\FileStorage\\HeadImage", exportPath)
|
||
if _, err := os.Stat(headImgPath); err == nil {
|
||
log.Println("has HeadImage")
|
||
return
|
||
}
|
||
|
||
go func() {
|
||
exportWeChatHeadImage(info, exportPath, progress)
|
||
close(progress)
|
||
}()
|
||
|
||
for p := range progress {
|
||
log.Println(p)
|
||
}
|
||
log.Println("ExportWeChatHeadImage done")
|
||
}
|