mirror of
https://github.com/Ryujinx/Ryujinx.git
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134 lines
5.1 KiB
C#
134 lines
5.1 KiB
C#
using Ryujinx.Common.Memory;
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using Ryujinx.HLE.HOS.Services.Caps.Types;
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using SixLabors.ImageSharp;
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using SixLabors.ImageSharp.PixelFormats;
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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.Security.Cryptography;
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namespace Ryujinx.HLE.HOS.Services.Caps
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{
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class CaptureManager
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{
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private string _sdCardPath;
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private uint _shimLibraryVersion;
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public CaptureManager(Switch device)
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{
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_sdCardPath = device.FileSystem.GetSdCardPath();
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}
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public ResultCode SetShimLibraryVersion(ServiceCtx context)
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{
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ulong shimLibraryVersion = context.RequestData.ReadUInt64();
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ulong appletResourceUserId = context.RequestData.ReadUInt64();
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// TODO: Service checks if the pid is present in an internal list and returns ResultCode.BlacklistedPid if it is.
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// The list contents needs to be determined.
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ResultCode resultCode = ResultCode.OutOfRange;
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if (shimLibraryVersion != 0)
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{
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if (_shimLibraryVersion == shimLibraryVersion)
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{
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resultCode = ResultCode.Success;
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}
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else if (_shimLibraryVersion != 0)
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{
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resultCode = ResultCode.ShimLibraryVersionAlreadySet;
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}
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else if (shimLibraryVersion == 1)
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{
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resultCode = ResultCode.Success;
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_shimLibraryVersion = 1;
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}
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}
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return resultCode;
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}
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public ResultCode SaveScreenShot(byte[] screenshotData, ulong appletResourceUserId, ulong titleId, out ApplicationAlbumEntry applicationAlbumEntry)
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{
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applicationAlbumEntry = default;
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if (screenshotData.Length == 0)
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{
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return ResultCode.NullInputBuffer;
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}
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/*
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// NOTE: On our current implementation, appletResourceUserId starts at 0, disable it for now.
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if (appletResourceUserId == 0)
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{
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return ResultCode.InvalidArgument;
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}
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*/
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/*
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// Doesn't occur in our case.
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if (applicationAlbumEntry == null)
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{
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return ResultCode.NullOutputBuffer;
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}
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*/
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if (screenshotData.Length >= 0x384000)
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{
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DateTime currentDateTime = DateTime.Now;
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applicationAlbumEntry = new ApplicationAlbumEntry()
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{
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Size = (ulong)Unsafe.SizeOf<ApplicationAlbumEntry>(),
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TitleId = titleId,
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AlbumFileDateTime = new AlbumFileDateTime()
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{
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Year = (ushort)currentDateTime.Year,
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Month = (byte)currentDateTime.Month,
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Day = (byte)currentDateTime.Day,
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Hour = (byte)currentDateTime.Hour,
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Minute = (byte)currentDateTime.Minute,
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Second = (byte)currentDateTime.Second,
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UniqueId = 0
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},
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AlbumStorage = AlbumStorage.Sd,
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ContentType = ContentType.Screenshot,
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Padding = new Array5<byte>(),
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Unknown0x1f = 1
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};
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// NOTE: The hex hash is a HMAC-SHA256 (first 32 bytes) using a hardcoded secret key over the titleId, we can simulate it by hashing the titleId instead.
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string hash = Convert.ToHexString(SHA256.HashData(BitConverter.GetBytes(titleId))).Remove(0x20);
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string folderPath = Path.Combine(_sdCardPath, "Nintendo", "Album", currentDateTime.Year.ToString("00"), currentDateTime.Month.ToString("00"), currentDateTime.Day.ToString("00"));
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string filePath = GenerateFilePath(folderPath, applicationAlbumEntry, currentDateTime, hash);
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// TODO: Handle that using the FS service implementation and return the right error code instead of throwing exceptions.
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Directory.CreateDirectory(folderPath);
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while (File.Exists(filePath))
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{
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applicationAlbumEntry.AlbumFileDateTime.UniqueId++;
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filePath = GenerateFilePath(folderPath, applicationAlbumEntry, currentDateTime, hash);
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}
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// NOTE: The saved JPEG file doesn't have the limitation in the extra EXIF data.
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Image.LoadPixelData<Rgba32>(screenshotData, 1280, 720).SaveAsJpegAsync(filePath);
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return ResultCode.Success;
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}
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return ResultCode.NullInputBuffer;
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}
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private string GenerateFilePath(string folderPath, ApplicationAlbumEntry applicationAlbumEntry, DateTime currentDateTime, string hash)
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{
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string fileName = $"{currentDateTime:yyyyMMddHHmmss}{applicationAlbumEntry.AlbumFileDateTime.UniqueId:00}-{hash}.jpg";
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return Path.Combine(folderPath, fileName);
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}
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}
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} |