Ryujinx-uplift/Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/IFriendService.cs

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using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Memory;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService;
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
class IFriendService : IpcService
{
private FriendServicePermissionLevel _permissionLevel;
public IFriendService(FriendServicePermissionLevel permissionLevel)
{
_permissionLevel = permissionLevel;
}
[Command(10100)]
// nn::friends::GetFriendListIds(int offset, nn::account::Uid userId, nn::friends::detail::ipc::SizedFriendFilter friendFilter, ulong pidPlaceHolder, pid)
// -> int outCount, array<nn::account::NetworkServiceAccountId, 0xa>
public ResultCode GetFriendListIds(ServiceCtx context)
{
int offset = context.RequestData.ReadInt32();
// Padding
context.RequestData.ReadInt32();
UserId userId = context.RequestData.ReadStruct<UserId>();
FriendFilter filter = context.RequestData.ReadStruct<FriendFilter>();
// Pid placeholder
context.RequestData.ReadInt64();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// There are no friends online, so we return 0 because the nn::account::NetworkServiceAccountId array is empty.
context.ResponseData.Write(0);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new
{
UserId = userId.ToString(),
offset,
filter.PresenceStatus,
filter.IsFavoriteOnly,
filter.IsSameAppPresenceOnly,
filter.IsSameAppPlayedOnly,
filter.IsArbitraryAppPlayedOnly,
filter.PresenceGroupId,
});
return ResultCode.Success;
}
[Command(10101)]
// nn::friends::GetFriendList(int offset, nn::account::Uid userId, nn::friends::detail::ipc::SizedFriendFilter friendFilter, ulong pidPlaceHolder, pid)
// -> int outCount, array<nn::friends::detail::FriendImpl, 0x6>
public ResultCode GetFriendList(ServiceCtx context)
{
int offset = context.RequestData.ReadInt32();
// Padding
context.RequestData.ReadInt32();
UserId userId = context.RequestData.ReadStruct<UserId>();
FriendFilter filter = context.RequestData.ReadStruct<FriendFilter>();
// Pid placeholder
context.RequestData.ReadInt64();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// There are no friends online, so we return 0 because the nn::account::NetworkServiceAccountId array is empty.
context.ResponseData.Write(0);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new {
UserId = userId.ToString(),
offset,
filter.PresenceStatus,
filter.IsFavoriteOnly,
filter.IsSameAppPresenceOnly,
filter.IsSameAppPlayedOnly,
filter.IsArbitraryAppPlayedOnly,
filter.PresenceGroupId,
});
return ResultCode.Success;
}
[Command(10400)]
// nn::friends::GetBlockedUserListIds(int offset, nn::account::Uid userId) -> (u32, buffer<nn::account::NetworkServiceAccountId, 0xa>)
public ResultCode GetBlockedUserListIds(ServiceCtx context)
{
int offset = context.RequestData.ReadInt32();
// Padding
context.RequestData.ReadInt32();
UserId userId = context.RequestData.ReadStruct<UserId>();
// There are no friends blocked, so we return 0 because the nn::account::NetworkServiceAccountId array is empty.
context.ResponseData.Write(0);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { offset, UserId = userId.ToString() });
return ResultCode.Success;
}
[Command(10600)]
// nn::friends::DeclareOpenOnlinePlaySession(nn::account::Uid userId)
public ResultCode DeclareOpenOnlinePlaySession(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
if (context.Device.System.State.Account.TryGetUser(userId, out UserProfile profile))
{
profile.OnlinePlayState = AccountState.Open;
}
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString(), profile.OnlinePlayState });
return ResultCode.Success;
}
[Command(10601)]
// nn::friends::DeclareCloseOnlinePlaySession(nn::account::Uid userId)
public ResultCode DeclareCloseOnlinePlaySession(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
if (context.Device.System.State.Account.TryGetUser(userId, out UserProfile profile))
{
profile.OnlinePlayState = AccountState.Closed;
}
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString(), profile.OnlinePlayState });
return ResultCode.Success;
}
[Command(10610)]
// nn::friends::UpdateUserPresence(nn::account::Uid, u64, pid, buffer<nn::friends::detail::UserPresenceImpl, 0x19>)
public ResultCode UpdateUserPresence(ServiceCtx context)
{
UserId uuid = context.RequestData.ReadStruct<UserId>();
// Pid placeholder
context.RequestData.ReadInt64();
long position = context.Request.PtrBuff[0].Position;
long size = context.Request.PtrBuff[0].Size;
byte[] bufferContent = new byte[size];
context.Memory.Read((ulong)position, bufferContent);
if (uuid.IsNull)
{
return ResultCode.InvalidArgument;
}
int elementCount = bufferContent.Length / Marshal.SizeOf<UserPresence>();
using (BinaryReader bufferReader = new BinaryReader(new MemoryStream(bufferContent)))
{
UserPresence[] userPresenceInputArray = bufferReader.ReadStructArray<UserPresence>(elementCount);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = uuid.ToString(), userPresenceInputArray });
}
return ResultCode.Success;
}
[Command(10700)]
// nn::friends::GetPlayHistoryRegistrationKey(b8 unknown, nn::account::Uid) -> buffer<nn::friends::PlayHistoryRegistrationKey, 0x1a>
public ResultCode GetPlayHistoryRegistrationKey(ServiceCtx context)
{
bool unknownBool = context.RequestData.ReadBoolean();
UserId userId = context.RequestData.ReadStruct<UserId>();
long bufferPosition = context.Request.RecvListBuff[0].Position;
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// NOTE: Calls nn::friends::detail::service::core::PlayHistoryManager::GetInstance and stores the instance.
byte[] randomBytes = new byte[8];
Random random = new Random();
random.NextBytes(randomBytes);
// NOTE: Calls nn::friends::detail::service::core::UuidManager::GetInstance and stores the instance.
// Then call nn::friends::detail::service::core::AccountStorageManager::GetInstance and store the instance.
// Then it checks if an Uuid is already stored for the UserId, if not it generates a random Uuid.
// And store it in the savedata 8000000000000080 in the friends:/uid.bin file.
Array16<byte> randomGuid = new Array16<byte>();
Guid.NewGuid().ToByteArray().AsSpan().CopyTo(randomGuid.ToSpan());
PlayHistoryRegistrationKey playHistoryRegistrationKey = new PlayHistoryRegistrationKey
{
Type = 0x101,
KeyIndex = (byte)(randomBytes[0] & 7),
UserIdBool = 0, // TODO: Find it.
UnknownBool = (byte)(unknownBool ? 1 : 0), // TODO: Find it.
Reserved = new Array11<byte>(),
Uuid = randomGuid
};
ReadOnlySpan<byte> playHistoryRegistrationKeyBuffer = SpanHelpers.AsByteSpan(ref playHistoryRegistrationKey);
/*
NOTE: The service uses the KeyIndex to get a random key from a keys buffer (since the key index is stored in the returned buffer).
We currently don't support play history and online services so we can use a blank key for now.
Code for reference:
byte[] hmacKey = new byte[0x20];
HMACSHA256 hmacSha256 = new HMACSHA256(hmacKey);
byte[] hmacHash = hmacSha256.ComputeHash(playHistoryRegistrationKeyBuffer);
*/
context.Memory.Write((ulong)bufferPosition, playHistoryRegistrationKeyBuffer);
context.Memory.Write((ulong)bufferPosition + 0x20, new byte[0x20]); // HmacHash
return ResultCode.Success;
}
}
}