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client: try fix panic in decodeMultiApplyDownResponse

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This commit is contained in:
wdvxdr 2023-02-10 21:36:12 +08:00
parent e9f4d33002
commit a8d1e40a27
1 changed files with 10 additions and 2 deletions
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12
client/multimsg.go
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@ -97,15 +97,23 @@ func decodeMultiApplyDownResponse(_ *QQClient, _ *network.IncomingPacketInfo, pa
return nil, errors.Wrap(err, "failed to unmarshal protobuf message") return nil, errors.Wrap(err, "failed to unmarshal protobuf message")
} }
if len(body.MultimsgApplydownRsp) == 0 { if len(body.MultimsgApplydownRsp) == 0 {
return nil, errors.New("not found") return nil, errors.New("message not found")
} }
rsp := body.MultimsgApplydownRsp[0] rsp := body.MultimsgApplydownRsp[0]
if rsp.ThumbDownPara == nil {
return nil, errors.New("message not found")
}
var prefix string var prefix string
if rsp.MsgExternInfo != nil && rsp.MsgExternInfo.ChannelType == 2 { if rsp.MsgExternInfo != nil && rsp.MsgExternInfo.ChannelType == 2 {
prefix = "https://ssl.htdata.qq.com" prefix = "https://ssl.htdata.qq.com"
} else { } else {
prefix = fmt.Sprintf("http://%s:%d", binary.UInt32ToIPV4Address(uint32(rsp.Uint32DownIp[0])), body.MultimsgApplydownRsp[0].Uint32DownPort[0]) ma := body.MultimsgApplydownRsp[0]
if len(rsp.Uint32DownIp) == 0 || len(ma.Uint32DownPort) == 0 {
return nil, errors.New("message not found")
}
prefix = fmt.Sprintf("http://%s:%d", binary.UInt32ToIPV4Address(uint32(rsp.Uint32DownIp[0])), ma.Uint32DownPort[0])
} }
b, err := utils.HttpGetBytes(fmt.Sprintf("%s%s", prefix, string(rsp.ThumbDownPara)), "") b, err := utils.HttpGetBytes(fmt.Sprintf("%s%s", prefix, string(rsp.ThumbDownPara)), "")
if err != nil { if err != nil {