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Zip (including APK) Loading (#902)

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* load ZipFile

makes it possible to directly load apk files

* use LoadFile for recursive zip opening

* set System.IO.Compression version

* keep identical format in AssetStudio.csproj

* try/catch the loading of each zip entry

* remove extra new line in FileReader.cs

* apply requested changes
This commit is contained in:
Rudolf Kolbe
2021-12-27 08:59:18 +01:00
committed by GitHub
parent e61a317185
commit 8d193a63cd
4 changed files with 57 additions and 6 deletions
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13
AssetStudio/FileReader.cs
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@@ -11,6 +11,8 @@ namespace AssetStudio
private static readonly byte[] gzipMagic = { 0x1f, 0x8b };
private static readonly byte[] brotliMagic = { 0x62, 0x72, 0x6F, 0x74, 0x6C, 0x69 };
private static readonly byte[] zipMagic = { 0x50, 0x4B, 0x03, 0x04 };
private static readonly byte[] zipSpannedMagic = { 0x50, 0x4B, 0x07, 0x08 };
public FileReader(string path) : this(path, File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) { }
@@ -36,7 +38,7 @@ namespace AssetStudio
return FileType.WebFile;
default:
{
var magic = ReadBytes(2);
byte[] magic = ReadBytes(2);
Position = 0;
if (gzipMagic.SequenceEqual(magic))
{
@@ -53,10 +55,11 @@ namespace AssetStudio
{
return FileType.AssetsFile;
}
else
{
return FileType.ResourceFile;
}
magic = ReadBytes(4);
Position = 0;
if (zipMagic.SequenceEqual(magic) || zipSpannedMagic.SequenceEqual(magic))
return FileType.ZipFile;
return FileType.ResourceFile;
}
}
}