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Add jpeg to supported filetypes

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jvyden 2021-10-31 23:49:04 -04:00
commit cd855ba7db
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2 changed files with 20 additions and 4 deletions
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23
ProjectLighthouse/Helpers/FileHelper.cs
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@ -26,6 +26,7 @@ namespace LBPUnion.ProjectLighthouse.Helpers
LbpFileType.Level => true,
LbpFileType.Voice => true,
LbpFileType.Plan => true,
LbpFileType.Jpeg => true,
#if DEBUG
_ => throw new ArgumentOutOfRangeException(nameof(file), $"Unhandled file type ({file.FileType}) in FileHelper.IsFileSafe()"),
#else
@ -39,9 +40,6 @@ namespace LBPUnion.ProjectLighthouse.Helpers
using MemoryStream ms = new(data);
using BinaryReader reader = new(ms);
string footer = Encoding.ASCII.GetString(BinaryHelper.ReadLastBytes(reader, 4));
if (footer == "FARC") return LbpFileType.FileArchive;
byte[] header = reader.ReadBytes(3);
return Encoding.ASCII.GetString(header) switch
@ -52,10 +50,27 @@ namespace LBPUnion.ProjectLighthouse.Helpers
"VOP" => LbpFileType.Voice,
"LVL" => LbpFileType.Level,
"PLN" => LbpFileType.Plan,
_ => LbpFileType.Unknown,
_ => determineFileTypePartTwoWeirdName(reader),
};
}
private static LbpFileType determineFileTypePartTwoWeirdName(BinaryReader reader)
{
reader.BaseStream.Position = 0;
// Determine if file is FARC
string footer = Encoding.ASCII.GetString(BinaryHelper.ReadLastBytes(reader, 4));
if (footer == "FARC") return LbpFileType.FileArchive;
// Determine if file is JPEG
byte[] header = reader.ReadBytes(9);
if (header[0] == 0xFF && header[1] == 0xD8 && header[2] == 0xFF && header[3] == 0xE0)
return LbpFileType.Jpeg;
return LbpFileType.Unknown; // Still unknown.
}
public static bool ResourceExists(string hash) => File.Exists(GetResourcePath(hash));
public static void EnsureDirectoryCreated(string path)

1
ProjectLighthouse/Types/Files/LbpFileType.cs
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@ -9,6 +9,7 @@ namespace LBPUnion.ProjectLighthouse.Types.Files
Plan, // PLN, uploaded with levels
Voice, // VOP, voice data
Painting, // PTG, paintings
Jpeg, // JFIF / FIF, used in sticker switches
Unknown,
}
}