/
tlv_decoders.go
229 lines (203 loc) · 5.24 KB
/
tlv_decoders.go
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package client
import (
"crypto/md5"
"fmt"
"time"
"github.com/scxiangqilin/MiraiGo/client/internal/tlv"
"github.com/scxiangqilin/MiraiGo/utils"
"github.com/scxiangqilin/MiraiGo/binary"
)
// --- tlv decoders for qq client ---
/*
func (c *QQClient) decodeT161(data []byte) {
reader := binary.NewReader(data)
reader.ReadBytes(2)
t := reader.ReadTlvMap(2)
if t172, ok := t[0x172]; ok {
c.rollbackSig = t172
}
}
*/
func (c *QQClient) decodeT119(data, ek []byte) {
tea := binary.NewTeaCipher(ek)
m, _ := tlv.NewDecoder(2, 2).DecodeRecordMap(tea.Decrypt(data)[2:])
if t130, ok := m[0x130]; ok {
c.decodeT130(t130)
}
if t113, ok := m[0x113]; ok {
c.decodeT113(t113)
}
/*
if t528, ok := m[0x528]; ok {
c.t528 = t528
}
if t530, ok := m[0x530]; ok {
c.t530 = t530
}
*/
if t108, ok := m[0x108]; ok {
c.sig.Ksid = t108
}
var (
// openId []byte
// openKey []byte
// payToken []byte
// pf []byte
// pfkey []byte
gender uint16 = 0
age uint16 = 0
nick = ""
// a1 []byte
// noPicSig []byte
// ctime = time.Now().Unix()
// etime = ctime + 2160000
psKeyMap map[string][]byte
pt4TokenMap map[string][]byte
)
if t11a, ok := m[0x11a]; ok {
nick, age, gender = readT11A(t11a)
}
/*
if _, ok := m[0x125]; ok {
openId, openKey = readT125(t125)
}
if t186, ok := m[0x186]; ok {
c.decodeT186(t186)
}
if _, ok := m[0x199]; ok {
openId, payToken = readT199(t199)
}
if _, ok := m[0x200]; ok {
pf, pfkey = readT200(t200)
}
if _, ok := m[0x531]; ok {
a1, noPicSig = readT531(t531)
}
if _, ok := m[0x138]; ok {
readT138(t138) // chg time
}
*/
if t512, ok := m[0x512]; ok {
psKeyMap, pt4TokenMap = readT512(t512)
}
c.oicq.WtSessionTicketKey = utils.Select(m[0x134], c.oicq.WtSessionTicketKey)
// we don't use `c.sigInfo = &auth.SigInfo{...}` here,
// because we need keep other fields in `c.sigInfo`
s := c.sig
s.LoginBitmap = 0
s.SrmToken = utils.Select(m[0x16a], s.SrmToken)
s.T133 = utils.Select(m[0x133], s.T133)
s.EncryptedA1 = utils.Select(m[0x106], s.EncryptedA1)
s.TGT = m[0x10a]
s.TGTKey = m[0x10d]
s.UserStKey = m[0x10e]
s.UserStWebSig = m[0x103]
s.SKey = m[0x120]
s.SKeyExpiredTime = time.Now().Unix() + 21600
s.D2 = m[0x143]
s.D2Key = m[0x305]
s.DeviceToken = m[0x322]
s.PsKeyMap = psKeyMap
s.Pt4TokenMap = pt4TokenMap
if len(c.PasswordMd5[:]) > 0 {
data, cl := binary.OpenWriterF(func(w *binary.Writer) {
w.Write(c.PasswordMd5[:])
w.WriteUInt32(0) // []byte{0x00, 0x00, 0x00, 0x00}...
w.WriteUInt32(uint32(c.Uin))
})
key := md5.Sum(data)
cl()
decrypted := binary.NewTeaCipher(key[:]).Decrypt(c.sig.EncryptedA1)
if len(decrypted) > 51+16 {
dr := binary.NewReader(decrypted)
dr.ReadBytes(51)
c.Device().TgtgtKey = dr.ReadBytes(16)
}
}
c.Nickname = nick
c.Age = age
c.Gender = gender
}
// wtlogin.exchange_emp
func (c *QQClient) decodeT119R(data []byte) {
tea := binary.NewTeaCipher(c.Device().TgtgtKey)
m, _ := tlv.NewDecoder(2, 2).DecodeRecordMap(tea.Decrypt(data)[2:])
if t120, ok := m[0x120]; ok {
c.sig.SKey = t120
c.sig.SKeyExpiredTime = time.Now().Unix() + 21600
c.debug("skey updated: %v", c.sig.SKey)
}
if t11a, ok := m[0x11a]; ok {
c.Nickname, c.Age, c.Gender = readT11A(t11a)
c.debug("account info updated: " + c.Nickname)
}
}
func (c *QQClient) decodeT130(data []byte) {
reader := binary.NewReader(data)
reader.ReadBytes(2)
// c.timeDiff = int64(reader.ReadInt32()) - time.Now().Unix()
// c.t149 = reader.ReadBytes(4)
}
func (c *QQClient) decodeT113(data []byte) {
reader := binary.NewReader(data)
uin := reader.ReadInt32() // ?
fmt.Println("got t113 uin:", uin)
}
/*
func (c *QQClient) decodeT186(data []byte) {
// c.pwdFlag = data[1] == 1
}
*/
// --- tlv readers ---
func readT125(data []byte) (openID, openKey []byte) {
reader := binary.NewReader(data)
openID = reader.ReadBytesShort()
openKey = reader.ReadBytesShort()
return
}
func readT11A(data []byte) (nick string, age, gender uint16) {
reader := binary.NewReader(data)
reader.ReadUInt16()
age = uint16(reader.ReadByte())
gender = uint16(reader.ReadByte())
nick = reader.ReadStringLimit(int(reader.ReadByte()) & 0xff)
return
}
func readT199(data []byte) (openID, payToken []byte) {
reader := binary.NewReader(data)
openID = reader.ReadBytesShort()
payToken = reader.ReadBytesShort()
return
}
func readT200(data []byte) (pf, pfKey []byte) {
reader := binary.NewReader(data)
pf = reader.ReadBytesShort()
pfKey = reader.ReadBytesShort()
return
}
func readT512(data []byte) (psKeyMap map[string][]byte, pt4TokenMap map[string][]byte) {
reader := binary.NewReader(data)
length := int(reader.ReadUInt16())
psKeyMap = make(map[string][]byte, length)
pt4TokenMap = make(map[string][]byte, length)
for i := 0; i < length; i++ {
domain := reader.ReadStringShort()
psKey := reader.ReadBytesShort()
pt4Token := reader.ReadBytesShort()
if len(psKey) > 0 {
psKeyMap[domain] = psKey
}
if len(pt4Token) > 0 {
pt4TokenMap[domain] = pt4Token
}
}
return
}
func readT531(data []byte) (a1, noPicSig []byte) {
m, _ := tlv.NewDecoder(2, 2).DecodeRecordMap(data)
if m.Exists(0x103) && m.Exists(0x16a) && m.Exists(0x113) && m.Exists(0x10c) {
a1 = append(m[0x106], m[0x10c]...)
noPicSig = m[0x16a]
}
return
}