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friend: Implement GetPlayHistoryRegistrationKey (#1424)

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* friend: Implement GetPlayHistoryRegistrationKey

This implement IServiceCreator::GetPlayHistoryRegistrationKey call accordingly to RE.

Close #1110

* Fix comments

* Fix guid and comment some codes

* Improve guid casting and remove unused vars
This commit is contained in:
Ac_K 2020-08-02 02:20:44 +02:00 committed by GitHub
parent 3c099454ca
commit 1457ab5456
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2 changed files with 82 additions and 0 deletions
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66
Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/IFriendService.cs
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@ -1,9 +1,14 @@
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
{
@ -186,5 +191,66 @@ namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
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;
}
}
}

16
Ryujinx.HLE/HOS/Services/Friend/ServiceCreator/Types/PlayHistoryRegistrationKey.cs Normal file
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@ -0,0 +1,16 @@
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
{
[StructLayout(LayoutKind.Sequential, Size = 0x20)]
struct PlayHistoryRegistrationKey
{
public ushort Type;
public byte KeyIndex;
public byte UserIdBool;
public byte UnknownBool;
public Array11<byte> Reserved;
public Array16<byte> Uuid;
}
}