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

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using LibHac.Ns;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Memory;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService;
using System;
using System.IO;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
class IFriendService : IpcService
{
private FriendServicePermissionLevel _permissionLevel;
private KEvent _completionEvent;
public IFriendService(FriendServicePermissionLevel permissionLevel)
{
_permissionLevel = permissionLevel;
}
[CommandHipc(0)]
// GetCompletionEvent() -> handle<copy>
public ResultCode GetCompletionEvent(ServiceCtx context)
{
if (_completionEvent == null)
{
_completionEvent = new KEvent(context.Device.System.KernelContext);
}
if (context.Process.HandleTable.GenerateHandle(_completionEvent.ReadableEvent, out int completionEventHandle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(completionEventHandle);
return ResultCode.Success;
}
[CommandHipc(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;
}
[CommandHipc(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;
}
[CommandHipc(10120)] // 10.0.0+
// nn::friends::IsFriendListCacheAvailable(nn::account::Uid userId) -> bool
public ResultCode IsFriendListCacheAvailable(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
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// TODO: Service mount the friends:/ system savedata and try to load friend.cache file, returns true if exists, false otherwise.
// NOTE: If no cache is available, guest then calls nn::friends::EnsureFriendListAvailable, we can avoid that by faking the cache check.
context.ResponseData.Write(true);
// TODO: Since we don't support friend features, it's fine to stub it for now.
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandHipc(10121)] // 10.0.0+
// nn::friends::EnsureFriendListAvailable(nn::account::Uid userId)
public ResultCode EnsureFriendListAvailable(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
if (userId.IsNull)
{
return ResultCode.InvalidArgument;
}
// TODO: Service mount the friends:/ system savedata and create a friend.cache file for the given user id.
// Since we don't support friend features, it's fine to stub it for now.
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandHipc(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;
}
[CommandHipc(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;
}
context.Device.System.AccountManager.OpenUserOnlinePlay(userId);
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Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandHipc(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;
}
context.Device.System.AccountManager.CloseUserOnlinePlay(userId);
Logger.Stub?.PrintStub(LogClass.ServiceFriend, new { UserId = userId.ToString() });
return ResultCode.Success;
}
[CommandHipc(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();
ulong position = context.Request.PtrBuff[0].Position;
ulong size = context.Request.PtrBuff[0].Size;
byte[] bufferContent = new byte[size];
context.Memory.Read(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;
}
[CommandHipc(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>();
context.Response.PtrBuff[0] = context.Response.PtrBuff[0].WithSize(0x40UL);
ulong 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>();
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Guid.NewGuid().ToByteArray().AsSpan().CopyTo(randomGuid.AsSpan());
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(bufferPosition, playHistoryRegistrationKeyBuffer);
context.Memory.Write(bufferPosition + 0x20, new byte[0x20]); // HmacHash
return ResultCode.Success;
}
[CommandHipc(10702)]
// nn::friends::AddPlayHistory(nn::account::Uid, u64, pid, buffer<nn::friends::PlayHistoryRegistrationKey, 0x19>, buffer<nn::friends::InAppScreenName, 0x19>, buffer<nn::friends::InAppScreenName, 0x19>)
public ResultCode AddPlayHistory(ServiceCtx context)
{
UserId userId = context.RequestData.ReadStruct<UserId>();
// Pid placeholder
context.RequestData.ReadInt64();
ulong pid = context.Request.HandleDesc.PId;
ulong playHistoryRegistrationKeyPosition = context.Request.PtrBuff[0].Position;
ulong PlayHistoryRegistrationKeySize = context.Request.PtrBuff[0].Size;
ulong inAppScreenName1Position = context.Request.PtrBuff[1].Position;
ulong inAppScreenName1Size = context.Request.PtrBuff[1].Size;
ulong inAppScreenName2Position = context.Request.PtrBuff[2].Position;
ulong inAppScreenName2Size = context.Request.PtrBuff[2].Size;
if (userId.IsNull || inAppScreenName1Size > 0x48 || inAppScreenName2Size > 0x48)
{
return ResultCode.InvalidArgument;
}
// TODO: Call nn::arp::GetApplicationControlProperty here when implemented.
ApplicationControlProperty controlProperty = context.Device.Application.ControlData.Value;
/*
NOTE: The service calls nn::friends::detail::service::core::PlayHistoryManager to store informations using the registration key computed in GetPlayHistoryRegistrationKey.
Then calls nn::friends::detail::service::core::FriendListManager to update informations on the friend list.
We currently don't support play history and online services so it's fine to do nothing.
*/
Logger.Stub?.PrintStub(LogClass.ServiceFriend);
return ResultCode.Success;
}
}
}