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friend: Implement GetPlayHistoryRegistrationKey (#1424)
* 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
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@ -1,9 +1,14 @@
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using Ryujinx.Common;
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using Ryujinx.Common.Logging;
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using Ryujinx.Common.Memory;
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using Ryujinx.Common.Utilities;
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using Ryujinx.HLE.HOS.Services.Account.Acc;
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using Ryujinx.HLE.HOS.Services.Friend.ServiceCreator.FriendService;
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using System;
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using System.IO;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Security.Cryptography;
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namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
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{
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@ -186,5 +191,66 @@ namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
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return ResultCode.Success;
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}
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[Command(10700)]
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// nn::friends::GetPlayHistoryRegistrationKey(b8 unknown, nn::account::Uid) -> buffer<nn::friends::PlayHistoryRegistrationKey, 0x1a>
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public ResultCode GetPlayHistoryRegistrationKey(ServiceCtx context)
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{
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bool unknownBool = context.RequestData.ReadBoolean();
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UserId userId = context.RequestData.ReadStruct<UserId>();
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long bufferPosition = context.Request.RecvListBuff[0].Position;
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if (userId.IsNull)
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{
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return ResultCode.InvalidArgument;
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}
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// NOTE: Calls nn::friends::detail::service::core::PlayHistoryManager::GetInstance and stores the instance.
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byte[] randomBytes = new byte[8];
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Random random = new Random();
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random.NextBytes(randomBytes);
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// NOTE: Calls nn::friends::detail::service::core::UuidManager::GetInstance and stores the instance.
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// Then call nn::friends::detail::service::core::AccountStorageManager::GetInstance and store the instance.
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// Then it checks if an Uuid is already stored for the UserId, if not it generates a random Uuid.
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// And store it in the savedata 8000000000000080 in the friends:/uid.bin file.
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Array16<byte> randomGuid = new Array16<byte>();
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Guid.NewGuid().ToByteArray().AsSpan().CopyTo(randomGuid.ToSpan());
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PlayHistoryRegistrationKey playHistoryRegistrationKey = new PlayHistoryRegistrationKey
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{
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Type = 0x101,
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KeyIndex = (byte)(randomBytes[0] & 7),
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UserIdBool = 0, // TODO: Find it.
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UnknownBool = (byte)(unknownBool ? 1 : 0), // TODO: Find it.
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Reserved = new Array11<byte>(),
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Uuid = randomGuid
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};
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ReadOnlySpan<byte> playHistoryRegistrationKeyBuffer = SpanHelpers.AsByteSpan(ref playHistoryRegistrationKey);
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/*
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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).
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We currently don't support play history and online services so we can use a blank key for now.
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Code for reference:
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byte[] hmacKey = new byte[0x20];
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HMACSHA256 hmacSha256 = new HMACSHA256(hmacKey);
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byte[] hmacHash = hmacSha256.ComputeHash(playHistoryRegistrationKeyBuffer);
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*/
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context.Memory.Write((ulong)bufferPosition, playHistoryRegistrationKeyBuffer);
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context.Memory.Write((ulong)bufferPosition + 0x20, new byte[0x20]); // HmacHash
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return ResultCode.Success;
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}
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}
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}
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@ -0,0 +1,16 @@
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using Ryujinx.Common.Memory;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE.HOS.Services.Friend.ServiceCreator
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{
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[StructLayout(LayoutKind.Sequential, Size = 0x20)]
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struct PlayHistoryRegistrationKey
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{
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public ushort Type;
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public byte KeyIndex;
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public byte UserIdBool;
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public byte UnknownBool;
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public Array11<byte> Reserved;
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public Array16<byte> Uuid;
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}
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}
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