mirror of
https://github.com/FlourishingWorld/hk4e.git
synced 2026-02-12 22:42:26 +08:00
协议密钥动态随机生成
This commit is contained in:
huangxiaolei
@@ -1,7 +1,7 @@
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package forward
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import (
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"os"
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"hk4e/pkg/random"
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"runtime"
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"sync"
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"time"
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@@ -48,12 +48,14 @@ type ForwardManager struct {
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// kcpConv -> headMeta
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convHeadMetaMap map[uint64]*ClientHeadMeta
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convHeadMetaMapLock sync.RWMutex
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secretKeyBuffer []byte
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kcpEventInput chan *net.KcpEvent
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kcpEventOutput chan *net.KcpEvent
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regionCurr *proto.QueryCurrRegionHttpRsp
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signRsaKey []byte
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encRsaKeyMap map[string][]byte
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// kcpConv -> seed
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convSeedMap map[uint64]uint64
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convSeedMapLock sync.RWMutex
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kcpEventInput chan *net.KcpEvent
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kcpEventOutput chan *net.KcpEvent
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regionCurr *proto.QueryCurrRegionHttpRsp
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signRsaKey []byte
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encRsaKeyMap map[string][]byte
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}
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func NewForwardManager(
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@@ -70,6 +72,7 @@ func NewForwardManager(
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r.userIdConvMap = make(map[uint32]uint64)
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r.convAddrMap = make(map[uint64]string)
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r.convHeadMetaMap = make(map[uint64]*ClientHeadMeta)
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r.convSeedMap = make(map[uint64]uint64)
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r.kcpEventInput = kcpEventInput
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r.kcpEventOutput = kcpEventOutput
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return r
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@@ -97,23 +100,21 @@ func (f *ForwardManager) kcpEventHandle() {
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EventId: net.KcpPacketSendListen,
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EventMessage: "Disable",
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}
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// 登录成功 通知GS初始化相关数据
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userId, exist := f.getUserIdByConvId(event.ConvId)
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seed, exist := f.getSeedByConvId(event.ConvId)
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if !exist {
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logger.LOG.Error("can not find userId by convId")
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logger.LOG.Error("can not find seed by convId")
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continue
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}
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headMeta, exist := f.getHeadMetaByConvId(event.ConvId)
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if !exist {
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logger.LOG.Error("can not find client head metadata by convId")
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continue
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keyBlock := random.NewKeyBlock(seed)
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xorKey := keyBlock.XorKey()
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key := make([]byte, 4096)
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copy(key, xorKey[:])
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// 改变密钥
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f.kcpEventInput <- &net.KcpEvent{
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ConvId: event.ConvId,
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EventId: net.KcpXorKeyChange,
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EventMessage: key,
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}
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netMsg := new(cmd.NetMsg)
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netMsg.UserId = userId
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netMsg.EventId = cmd.UserLoginNotify
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netMsg.ClientSeq = headMeta.seq
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f.netMsgInput <- netMsg
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logger.LOG.Info("send to gs user login ok, ConvId: %v, UserId: %v", event.ConvId, netMsg.UserId)
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case net.KcpConnCloseNotify:
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// 连接断开通知
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userId, exist := f.getUserIdByConvId(event.ConvId)
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@@ -139,6 +140,7 @@ func (f *ForwardManager) kcpEventHandle() {
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}
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f.deleteAddrByConvId(event.ConvId)
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f.deleteHeadMetaByConvId(event.ConvId)
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f.deleteSeedByConvId(event.ConvId)
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case net.KcpConnEstNotify:
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// 连接建立通知
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addr, ok := event.EventMessage.(string)
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@@ -183,15 +185,9 @@ func (f *ForwardManager) kcpEventHandle() {
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func (f *ForwardManager) Start() {
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// 读取密钥相关文件
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var err error = nil
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f.secretKeyBuffer, err = os.ReadFile("key/secretKeyBuffer.bin")
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if err != nil {
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logger.LOG.Error("open secretKeyBuffer.bin error")
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return
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}
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f.signRsaKey, f.encRsaKeyMap, _ = region.LoadRsaKey()
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// region
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regionCurr, _ := region.InitRegion(config.CONF.Hk4e.KcpAddr, config.CONF.Hk4e.KcpPort)
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regionCurr, _, _ := region.InitRegion(config.CONF.Hk4e.KcpAddr, config.CONF.Hk4e.KcpPort)
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f.regionCurr = regionCurr
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// kcp事件监听
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go f.kcpEventHandle()
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@@ -226,12 +222,6 @@ func (f *ForwardManager) sendNetMsgToGameServer() {
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if getPlayerTokenRsp == nil {
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continue
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}
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// 改变解密密钥
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f.kcpEventInput <- &net.KcpEvent{
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ConvId: protoMsg.ConvId,
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EventId: net.KcpXorKeyChange,
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EventMessage: "DEC",
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}
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// 返回数据到客户端
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resp := new(net.ProtoMsg)
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resp.ConvId = protoMsg.ConvId
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@@ -249,29 +239,30 @@ func (f *ForwardManager) sendNetMsgToGameServer() {
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if playerLoginRsp == nil {
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continue
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}
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// 改变加密密钥
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f.kcpEventInput <- &net.KcpEvent{
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ConvId: protoMsg.ConvId,
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EventId: net.KcpXorKeyChange,
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EventMessage: "ENC",
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// 返回数据到客户端
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resp := new(net.ProtoMsg)
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resp.ConvId = protoMsg.ConvId
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resp.CmdId = cmd.PlayerLoginRsp
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resp.HeadMessage = f.getHeadMsg(protoMsg.HeadMessage.ClientSequenceId)
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resp.PayloadMessage = playerLoginRsp
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f.protoMsgInput <- resp
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// 登录成功 通知GS初始化相关数据
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userId, exist := f.getUserIdByConvId(protoMsg.ConvId)
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if !exist {
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logger.LOG.Error("can not find userId by convId")
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continue
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}
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// 开启发包监听
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f.kcpEventInput <- &net.KcpEvent{
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ConvId: protoMsg.ConvId,
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EventId: net.KcpPacketSendListen,
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EventMessage: "Enable",
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headMeta, exist := f.getHeadMetaByConvId(protoMsg.ConvId)
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if !exist {
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logger.LOG.Error("can not find client head metadata by convId")
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continue
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}
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go func() {
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// 保证kcp事件已成功生效
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time.Sleep(time.Millisecond * 50)
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// 返回数据到客户端
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resp := new(net.ProtoMsg)
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resp.ConvId = protoMsg.ConvId
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resp.CmdId = cmd.PlayerLoginRsp
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resp.HeadMessage = f.getHeadMsg(protoMsg.HeadMessage.ClientSequenceId)
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resp.PayloadMessage = playerLoginRsp
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f.protoMsgInput <- resp
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}()
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netMsg := new(cmd.NetMsg)
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netMsg.UserId = userId
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netMsg.EventId = cmd.UserLoginNotify
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netMsg.ClientSeq = headMeta.seq
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f.netMsgInput <- netMsg
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logger.LOG.Info("send to gs user login ok, ConvId: %v, UserId: %v", protoMsg.ConvId, netMsg.UserId)
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case cmd.SetPlayerBornDataReq:
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// 玩家注册请求
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if connState != ConnAlive {
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@@ -480,6 +471,25 @@ func (f *ForwardManager) deleteHeadMetaByConvId(convId uint64) {
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f.convHeadMetaMapLock.Unlock()
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}
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func (f *ForwardManager) getSeedByConvId(convId uint64) (seed uint64, exist bool) {
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f.convSeedMapLock.RLock()
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seed, exist = f.convSeedMap[convId]
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f.convSeedMapLock.RUnlock()
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return seed, exist
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}
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func (f *ForwardManager) setSeedByConvId(convId uint64, seed uint64) {
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f.convSeedMapLock.Lock()
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f.convSeedMap[convId] = seed
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f.convSeedMapLock.Unlock()
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}
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func (f *ForwardManager) deleteSeedByConvId(convId uint64) {
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f.convSeedMapLock.Lock()
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delete(f.convSeedMap, convId)
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f.convSeedMapLock.Unlock()
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}
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// 改变网关开放状态
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func (f *ForwardManager) ChangeGateOpenState(isOpen bool) bool {
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f.kcpEventInput <- &net.KcpEvent{
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@@ -4,8 +4,11 @@ import (
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"bytes"
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"encoding/base64"
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"encoding/binary"
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"fmt"
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"hk4e/dispatch/controller"
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"hk4e/pkg/httpclient"
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"hk4e/pkg/random"
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"math/rand"
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"strconv"
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"strings"
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@@ -69,15 +72,16 @@ func (f *ForwardManager) getPlayerToken(convId uint64, req *proto.GetPlayerToken
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rsp.Uid = tokenVerifyRsp.PlayerID
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// TODO 不同的token
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rsp.Token = "xxx"
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rsp.AccountType = 1
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data := make([]byte, 16+32)
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rand.Read(data)
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rsp.SecurityCmdBuffer = data[16:]
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rsp.ClientVersionRandomKey = fmt.Sprintf("%03x-%012x", data[:3], data[4:16])
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// TODO 要确定一下新注册的号这个值该返回什么
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rsp.AccountType = 1
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rsp.IsProficientPlayer = true
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rsp.SecretKeySeed = 11468049314633205968
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rsp.SecurityCmdBuffer = f.secretKeyBuffer
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rsp.PlatformType = 3
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rsp.ChannelId = 1
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rsp.CountryCode = "US"
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rsp.ClientVersionRandomKey = "c25-314dd05b0b5f"
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rsp.RegPlatform = 3
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addr, exist := f.getAddrByConvId(convId)
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if !exist {
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@@ -87,7 +91,6 @@ func (f *ForwardManager) getPlayerToken(convId uint64, req *proto.GetPlayerToken
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split := strings.Split(addr, ":")
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rsp.ClientIpStr = split[0]
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if req.GetKeyId() != 0 {
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// pre check
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logger.LOG.Debug("do hk4e 2.8 rsa logic")
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keyId := strconv.Itoa(int(req.GetKeyId()))
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encPubPrivKey, exist := f.encRsaKeyMap[keyId]
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@@ -111,13 +114,6 @@ func (f *ForwardManager) getPlayerToken(convId uint64, req *proto.GetPlayerToken
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logger.LOG.Error("parse client seed base64 error: %v", err)
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return nil
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}
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// create error rsp info
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clientSeedEncCopy := make([]byte, len(clientSeedEnc))
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copy(clientSeedEncCopy, clientSeedEnc)
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endec.Xor(clientSeedEncCopy, []byte{0x9f, 0x26, 0xb2, 0x17, 0x61, 0x5f, 0xc8, 0x00})
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rsp.ServerRandKey = base64.StdEncoding.EncodeToString(clientSeedEncCopy)
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rsp.Sign = "bm90aGluZyBoZXJl"
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// do
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clientSeed, err := endec.RsaDecrypt(clientSeedEnc, signPrivkey)
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if err != nil {
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logger.LOG.Error("rsa dec error: %v", err)
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@@ -129,7 +125,10 @@ func (f *ForwardManager) getPlayerToken(convId uint64, req *proto.GetPlayerToken
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logger.LOG.Error("parse client seed to uint64 error: %v", err)
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return rsp
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}
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seedUint64 := uint64(11468049314633205968) ^ clientSeedUint64
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timeRand := random.GetTimeRand()
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serverSeedUint64 := timeRand.Uint64()
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f.setSeedByConvId(convId, serverSeedUint64)
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seedUint64 := serverSeedUint64 ^ clientSeedUint64
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seedBuf := new(bytes.Buffer)
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err = binary.Write(seedBuf, binary.BigEndian, seedUint64)
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if err != nil {
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@@ -149,6 +148,12 @@ func (f *ForwardManager) getPlayerToken(convId uint64, req *proto.GetPlayerToken
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}
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rsp.ServerRandKey = base64.StdEncoding.EncodeToString(seedEnc)
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rsp.Sign = base64.StdEncoding.EncodeToString(seedSign)
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// 开启发包监听
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f.kcpEventInput <- &net.KcpEvent{
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ConvId: convId,
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EventId: net.KcpPacketSendListen,
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EventMessage: "Enable",
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}
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}
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return rsp
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}
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@@ -170,6 +175,7 @@ func (f *ForwardManager) playerLogin(convId uint64, req *proto.PlayerLoginReq) (
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rsp.IsUseAbilityHash = true
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rsp.AbilityHashCode = 1844674
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rsp.GameBiz = "hk4e_global"
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rsp.ClientDataVersion = f.regionCurr.RegionInfo.ClientDataVersion
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rsp.ClientSilenceDataVersion = f.regionCurr.RegionInfo.ClientSilenceDataVersion
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rsp.ClientMd5 = f.regionCurr.RegionInfo.ClientDataMd5
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@@ -177,6 +183,7 @@ func (f *ForwardManager) playerLogin(convId uint64, req *proto.PlayerLoginReq) (
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rsp.ResVersionConfig = f.regionCurr.RegionInfo.ResVersionConfig
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rsp.ClientVersionSuffix = f.regionCurr.RegionInfo.ClientVersionSuffix
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rsp.ClientSilenceVersionSuffix = f.regionCurr.RegionInfo.ClientSilenceVersionSuffix
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rsp.IsScOpen = false
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rsp.RegisterCps = "mihoyo"
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rsp.CountryCode = "US"
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