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using MsgPack;
using MsgPack.Serialization;
using Ryujinx.Common.Logging;
using Ryujinx.Common.Utilities;
using Ryujinx.Horizon.Common;
using Ryujinx.Horizon.Prepo.Types;
using Ryujinx.Horizon.Sdk.Account;
using Ryujinx.Horizon.Sdk.Prepo;
using Ryujinx.Horizon.Sdk.Sf;
using Ryujinx.Horizon.Sdk.Sf.Hipc;
using System;
using System.Text;
using ApplicationId = Ryujinx.Horizon.Sdk.Ncm.ApplicationId;
namespace Ryujinx.Horizon.Prepo.Ipc
{
partial class PrepoService : IPrepoService
{
enum PlayReportKind
{
Normal,
System,
}
private readonly PrepoServicePermissionLevel _permissionLevel;
private ulong _systemSessionId;
private bool _immediateTransmissionEnabled;
private bool _userAgreementCheckEnabled = true;
public PrepoService(PrepoServicePermissionLevel permissionLevel)
{
_permissionLevel = permissionLevel;
}
[CmifCommand(10100)] // 1.0.0-5.1.0
[CmifCommand(10102)] // 6.0.0-9.2.0
[CmifCommand(10104)] // 10.0.0+
public Result SaveReport([Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer, [ClientProcessId] ulong pid)
{
if ((_permissionLevel & PrepoServicePermissionLevel.User) == 0)
{
return PrepoResult.PermissionDenied;
}
ProcessPlayReport(PlayReportKind.Normal, gameRoomBuffer, reportBuffer, pid, Uid.Null);
return Result.Success;
}
[CmifCommand(10101)] // 1.0.0-5.1.0
[CmifCommand(10103)] // 6.0.0-9.2.0
[CmifCommand(10105)] // 10.0.0+
public Result SaveReportWithUser(Uid userId, [Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer, [ClientProcessId] ulong pid)
{
if ((_permissionLevel & PrepoServicePermissionLevel.User) == 0)
{
return PrepoResult.PermissionDenied;
}
ProcessPlayReport(PlayReportKind.Normal, gameRoomBuffer, reportBuffer, pid, userId, true);
return Result.Success;
}
[CmifCommand(10200)]
public Result RequestImmediateTransmission()
{
_immediateTransmissionEnabled = true;
// It signals an event of nn::prepo::detail::service::core::TransmissionStatusManager that requests the transmission of the report.
// Since we don't use reports, it's fine to do nothing.
return Result.Success;
}
[CmifCommand(10300)]
public Result GetTransmissionStatus(out int status)
{
status = 0;
if (_immediateTransmissionEnabled && _userAgreementCheckEnabled)
{
status = 1;
}
return Result.Success;
}
[CmifCommand(10400)] // 9.0.0+
public Result GetSystemSessionId(out ulong systemSessionId)
{
systemSessionId = default;
if ((_permissionLevel & PrepoServicePermissionLevel.User) == 0)
{
return PrepoResult.PermissionDenied;
}
if (_systemSessionId == 0)
{
_systemSessionId = (ulong)Random.Shared.NextInt64();
}
systemSessionId = _systemSessionId;
return Result.Success;
}
[CmifCommand(20100)]
public Result SaveSystemReport([Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, ApplicationId applicationId, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer)
{
if ((_permissionLevel & PrepoServicePermissionLevel.System) != 0)
{
return PrepoResult.PermissionDenied;
}
return ProcessPlayReport(PlayReportKind.System, gameRoomBuffer, reportBuffer, 0, Uid.Null, false, applicationId);
}
[CmifCommand(20101)]
public Result SaveSystemReportWithUser(Uid userId, [Buffer(HipcBufferFlags.In | HipcBufferFlags.Pointer)] ReadOnlySpan<byte> gameRoomBuffer, ApplicationId applicationId, [Buffer(HipcBufferFlags.In | HipcBufferFlags.MapAlias)] ReadOnlySpan<byte> reportBuffer)
{
if ((_permissionLevel & PrepoServicePermissionLevel.System) != 0)
{
return PrepoResult.PermissionDenied;
}
return ProcessPlayReport(PlayReportKind.System, gameRoomBuffer, reportBuffer, 0, userId, true, applicationId);
}
[CmifCommand(40100)] // 2.0.0+
public Result IsUserAgreementCheckEnabled(out bool enabled)
{
enabled = false;
if (_permissionLevel == PrepoServicePermissionLevel.User || _permissionLevel == PrepoServicePermissionLevel.System)
{
enabled = _userAgreementCheckEnabled;
// If "enabled" is false, it sets some internal fields to 0.
// Then, it mounts "prepo-sys:/is_user_agreement_check_enabled.bin" and returns the contained bool.
// We can return the private bool instead, we don't care about the agreement since we don't send reports.
return Result.Success;
}
return PrepoResult.PermissionDenied;
}
[CmifCommand(40101)] // 2.0.0+
public Result SetUserAgreementCheckEnabled(bool enabled)
{
if (_permissionLevel == PrepoServicePermissionLevel.User || _permissionLevel == PrepoServicePermissionLevel.System)
{
_userAgreementCheckEnabled = enabled;
// If "enabled" is false, it sets some internal fields to 0.
// Then, it mounts "prepo-sys:/is_user_agreement_check_enabled.bin" and stores the "enabled" value.
// We can store in the private bool instead, we don't care about the agreement since we don't send reports.
return Result.Success;
}
return PrepoResult.PermissionDenied;
}
private static Result ProcessPlayReport(PlayReportKind playReportKind, ReadOnlySpan<byte> gameRoomBuffer, ReadOnlySpan<byte> reportBuffer, ulong pid, Uid userId, bool withUserId = false, ApplicationId applicationId = default)
{
if (withUserId)
{
if (userId.IsNull)
{
return PrepoResult.InvalidArgument;
}
}
if (gameRoomBuffer.Length > 31)
{
return PrepoResult.InvalidArgument;
}
string gameRoom = Encoding.UTF8.GetString(gameRoomBuffer).TrimEnd();
if (gameRoom == string.Empty)
{
return PrepoResult.InvalidState;
}
if (reportBuffer.Length == 0)
{
return PrepoResult.InvalidBufferSize;
}
StringBuilder builder = new();
MessagePackObject deserializedReport = MessagePackSerializer.UnpackMessagePackObject(reportBuffer.ToArray());
builder.AppendLine();
builder.AppendLine("PlayReport log:");
builder.AppendLine($" Kind: {playReportKind}");
// NOTE: The service calls arp:r using the pid to get the application id, if it fails PrepoResult.InvalidPid is returned.
// Reports are stored internally and an event is signaled to transmit them.
if (pid != 0)
{
builder.AppendLine($" Pid: {pid}");
}
else
{
builder.AppendLine($" ApplicationId: {applicationId}");
}
if (!userId.IsNull)
{
builder.AppendLine($" UserId: {userId}");
}
builder.AppendLine($" Room: {gameRoom}");
builder.AppendLine($" Report: {MessagePackObjectFormatter.Format(deserializedReport)}");
Logger.Info?.Print(LogClass.ServicePrepo, builder.ToString());
return Result.Success;
}
}
}
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