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feat(grpc): implement fetch user data for WIi U & 3DS #42

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eb6bb06
feat(grpc): implement fetch user data for WIi U & 3DS
CaramelKat Apr 26, 2026
98c707d
fix(grpc): split out rpc requests
CaramelKat Apr 26, 2026
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255 changes: 255 additions & 0 deletions grpc/get_user_friends_data.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,255 @@
package grpc

import (
"context"
"database/sql"

"github.com/PretendoNetwork/friends/database"
database_3ds "github.com/PretendoNetwork/friends/database/3ds"
database_wiiu "github.com/PretendoNetwork/friends/database/wiiu"
"github.com/PretendoNetwork/friends/globals"
pb "github.com/PretendoNetwork/grpc/go/friends/v2"
"github.com/PretendoNetwork/nex-go/v2/types"
friends_3ds_types "github.com/PretendoNetwork/nex-protocols-go/v2/friends-3ds/types"
friends_wiiu_types "github.com/PretendoNetwork/nex-protocols-go/v2/friends-wiiu/types"
)

func (s *gRPCFriendsV2Server) GetUserFriendsDataWiiU(ctx context.Context, in *pb.GetUserFriendsDataWiiURequest) (*pb.GetUserFriendsDataWiiUResponse, error) {
var friends []*pb.FriendInfoWiiU
friendList, err := database_wiiu.GetUserFriendList(in.Pid)
if err != nil && err != database.ErrEmptyList {
return &pb.GetUserFriendsDataWiiUResponse{
Friends: friends,
}, nil
}

if globals.Config.EnableBella {
bella := friends_wiiu_types.NewFriendInfo()

bella.NNAInfo = friends_wiiu_types.NewNNAInfo()
bella.Presence = friends_wiiu_types.NewNintendoPresenceV2()
bella.Status = friends_wiiu_types.NewComment()
bella.BecameFriend = types.NewDateTime(0)
bella.LastOnline = types.NewDateTime(0)
bella.Unknown = types.NewUInt64(0)

bella.NNAInfo.PrincipalBasicInfo = friends_wiiu_types.NewPrincipalBasicInfo()
bella.NNAInfo.Unknown1 = types.NewUInt8(0)
bella.NNAInfo.Unknown2 = types.NewUInt8(0)

bella.NNAInfo.PrincipalBasicInfo.PID = types.NewPID(1743126339)
bella.NNAInfo.PrincipalBasicInfo.NNID = types.NewString("PN_Testing")
bella.NNAInfo.PrincipalBasicInfo.Mii = friends_wiiu_types.NewMiiV2()
bella.NNAInfo.PrincipalBasicInfo.Unknown = types.NewUInt8(0)

bella.NNAInfo.PrincipalBasicInfo.Mii.Name = types.NewString("Bandwidth")
bella.NNAInfo.PrincipalBasicInfo.Mii.Unknown1 = types.NewUInt8(0)
bella.NNAInfo.PrincipalBasicInfo.Mii.Unknown2 = types.NewUInt8(0)
bella.NNAInfo.PrincipalBasicInfo.Mii.MiiData = types.NewBuffer([]byte{
0x03, 0x00, 0x00, 0x40, 0xE9, 0x55, 0xA2, 0x09,
0xE7, 0xC7, 0x41, 0x82, 0xD9, 0x7D, 0x0B, 0x2D,
0x03, 0xB3, 0xB8, 0x8D, 0x27, 0xD9, 0x00, 0x00,
0x01, 0x40, 0x62, 0x00, 0x65, 0x00, 0x6C, 0x00,
0x6C, 0x00, 0x61, 0x00, 0x00, 0x00, 0x45, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40,
0x12, 0x00, 0x81, 0x01, 0x04, 0x68, 0x43, 0x18,
0x20, 0x34, 0x46, 0x14, 0x81, 0x12, 0x17, 0x68,
0x0D, 0x00, 0x00, 0x29, 0x03, 0x52, 0x48, 0x50,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0x86,
})
bella.NNAInfo.PrincipalBasicInfo.Mii.Datetime = types.NewDateTime(0)

bella.Presence.ChangedFlags = types.NewUInt32(0x1EE)
bella.Presence.Online = types.NewBool(true)
bella.Presence.GameKey = friends_wiiu_types.NewGameKey()
bella.Presence.Unknown1 = types.NewUInt8(0)
bella.Presence.Message = types.NewString("Testing")
bella.Presence.Unknown2 = types.NewUInt32(0)
bella.Presence.Unknown3 = types.NewUInt8(0)
bella.Presence.GameServerID = types.NewUInt32(0)
bella.Presence.Unknown4 = types.NewUInt32(0)
bella.Presence.PID = types.NewPID(1743126339)
bella.Presence.GatheringID = types.NewUInt32(0)
bella.Presence.ApplicationData = types.NewBuffer([]byte{0x0})
bella.Presence.Unknown5 = types.NewUInt8(0)
bella.Presence.Unknown6 = types.NewUInt8(0)
bella.Presence.Unknown7 = types.NewUInt8(0)

bella.Presence.GameKey.TitleID = 0x0005000010176900
bella.Presence.GameKey.TitleVersion = types.NewUInt16(0)

bella.Status.Unknown = types.NewUInt8(0)
bella.Status.Contents = types.NewString("Howdy hey!")
bella.Status.LastChanged = types.NewDateTime(0)

friendList = append(friendList, bella)
}

for _, friend := range friendList {
// TODO: Is there a better way to do this? I really don't know what I'm doing here
var comment = &pb.Comment{
Contents: string(friend.Status.Contents),
LastChanged: uint64(friend.Status.LastChanged),
}
var mii = &pb.MiiV2{
Name: string(friend.NNAInfo.PrincipalBasicInfo.Mii.Name),
MiiData: friend.NNAInfo.PrincipalBasicInfo.Mii.MiiData,
Datetime: uint64(friend.NNAInfo.PrincipalBasicInfo.Mii.Datetime),
}
var principal = &pb.PrincipalBasicInfo{
Pid: uint32(friend.NNAInfo.PrincipalBasicInfo.PID),
Nnid: string(friend.NNAInfo.PrincipalBasicInfo.NNID),
Mii: mii,
}
var nnaInfo = &pb.NNAInfo{
PrincipalBasicInfo: principal,
}
var gameKey = &pb.GameKey{
TitleId: uint64(friend.Presence.GameKey.TitleID),
TitleVersion: uint32(friend.Presence.GameKey.TitleVersion),
}
var presence = &pb.NintendoPresenceV2{
ChangedFlags: uint32(friend.Presence.ChangedFlags),
Online: bool(friend.Presence.Online),
GameKey: gameKey,
Message: string(friend.Presence.Message),
GameServerId: uint32(friend.Presence.GameServerID),
Pid: uint32(friend.Presence.PID),
GatheringId: uint32(friend.Presence.GatheringID),
ApplicationData: friend.Presence.ApplicationData,
}
var info = &pb.FriendInfoWiiU{
NnaInfo: nnaInfo,
Presence: presence,
Status: comment,
BecameFriend: uint64(friend.BecameFriend),
LastOnline: uint64(friend.LastOnline),
}
friends = append(friends, info)
}

return &pb.GetUserFriendsDataWiiUResponse{
Friends: friends,
}, nil
}

func (s *gRPCFriendsV2Server) GetUserFriendsData3DS(ctx context.Context, in *pb.GetUserFriendsData3DSRequest) (*pb.GetUserFriendsData3DSResponse, error) {
var friends []*pb.FriendInfo3DS
friendList, err := database_3ds.GetUserFriends(in.Pid)
if err != nil && err != database.ErrEmptyList {
return &pb.GetUserFriendsData3DSResponse{
Friends: friends,
}, nil
}

friendPIDs := make([]uint32, len(friendList))

for _, friend := range friendList {
friendPIDs = append(friendPIDs, uint32(friend.PID))
}

friendInfoList, err := database_3ds.GetFriendPersistentInfos(uint32(in.Pid), friendPIDs)
if err != nil && err != sql.ErrNoRows {
globals.Logger.Critical(err.Error())
return &pb.GetUserFriendsData3DSResponse{
Friends: friends,
}, nil
}

miiList, err := database_3ds.GetFriendMiis(friendPIDs)
if err != nil && err != sql.ErrNoRows {
globals.Logger.Critical(err.Error())
return &pb.GetUserFriendsData3DSResponse{
Friends: friends,
}, nil
}

if globals.Config.EnableBella {
bella := friends_3ds_types.NewFriendPersistentInfo()

bella.PID = types.NewPID(1743126339)
bella.Region = types.NewUInt8(0)
bella.Country = types.NewUInt8(0)
bella.Area = types.NewUInt8(0)
bella.Language = types.NewUInt8(0)
bella.Platform = types.NewUInt8(0)
bella.GameKey.TitleID = 0x0005000010176900
bella.GameKey.TitleVersion = types.NewUInt16(0)
bella.Message = "Howdy Hey!"
bella.MessageUpdatedAt = types.NewDateTime(0)
bella.MiiModifiedAt = types.NewDateTime(0)
bella.LastOnline = types.NewDateTime(0)

mii := friends_3ds_types.NewMii()
mii.Name = types.NewString("Bandwidth")
mii.ProfanityFlag = types.NewBool(false)
mii.CharacterSet = types.NewUInt8(0)
mii.MiiData = types.NewBuffer([]byte{
0x03, 0x00, 0x00, 0x40, 0xE9, 0x55, 0xA2, 0x09,
0xE7, 0xC7, 0x41, 0x82, 0xD9, 0x7D, 0x0B, 0x2D,
0x03, 0xB3, 0xB8, 0x8D, 0x27, 0xD9, 0x00, 0x00,
0x01, 0x40, 0x62, 0x00, 0x65, 0x00, 0x6C, 0x00,
0x6C, 0x00, 0x61, 0x00, 0x00, 0x00, 0x45, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40,
0x12, 0x00, 0x81, 0x01, 0x04, 0x68, 0x43, 0x18,
0x20, 0x34, 0x46, 0x14, 0x81, 0x12, 0x17, 0x68,
0x0D, 0x00, 0x00, 0x29, 0x03, 0x52, 0x48, 0x50,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0x86,
})

friendMii := friends_3ds_types.NewFriendMii()
friendMii.PID = types.NewPID(uint64(bella.PID))
friendMii.Mii = mii
friendMii.ModifiedAt = types.NewDateTime(0)

friendInfoList = append(friendInfoList, bella)
miiList = append(miiList, friendMii)
}

for _, friend := range friendInfoList {
// TODO: Is there a better way to do this? I really don't know what I'm doing here
var gameKey = &pb.GameKey{
TitleId: uint64(friend.GameKey.TitleID),
TitleVersion: uint32(friend.GameKey.TitleVersion),
}
var miiIndex = -1
for index, mii := range miiList {
if mii.PID == friend.PID {
miiIndex = index
break
}
}
if miiIndex == -1 {
continue
}
var miiData = miiList[miiIndex]
var mii = &pb.MiiV2{
Name: string(miiData.Mii.Name),
MiiData: miiData.Mii.MiiData,
Datetime: uint64(miiData.ModifiedAt),
}
var info = &pb.FriendInfo3DS{
Pid: uint32(friend.PID),
Region: uint32(friend.Region),
Country: uint32(friend.Country),
Area: uint32(friend.Area),
Language: uint32(friend.Language),
Platform: uint32(friend.Platform),
GameKey: gameKey,
Message: string(friend.Message),
MessageUpdatedAt: uint64(friend.MessageUpdatedAt),
MiiModifiedAt: uint64(friend.MiiModifiedAt),
LastOnline: uint64(friend.LastOnline),
Mii: mii,
}
friends = append(friends, info)
}

return &pb.GetUserFriendsData3DSResponse{
Friends: friends,
}, nil
}
6 changes: 6 additions & 0 deletions grpc/grpc_server.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,18 @@ import (

"github.com/PretendoNetwork/friends/globals"
pb "github.com/PretendoNetwork/grpc/go/friends"
pbv2 "github.com/PretendoNetwork/grpc/go/friends/v2"
"google.golang.org/grpc"
)

type gRPCFriendsServer struct {
pb.UnimplementedFriendsServer
}

type gRPCFriendsV2Server struct {
pbv2.UnimplementedFriendsServiceServer
}

func StartGRPCServer() {
listener, err := net.Listen("tcp", fmt.Sprintf(":%d", globals.Config.GRPCServerPort))
if err != nil {
Expand All @@ -25,6 +30,7 @@ func StartGRPCServer() {
)

pb.RegisterFriendsServer(server, &gRPCFriendsServer{})
pbv2.RegisterFriendsServiceServer(server, &gRPCFriendsV2Server{})

log.Printf("server listening at %v", listener.Addr())

Expand Down
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