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Rewrite the FNFC java copy function for android

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The old one was randomly throwing some crashes such as
* OutOfMemory
* NegativeArraySizeException
* IllegalStateException

This new one should fix those!

Co-Authored-By: Karim Akra <144803230+KarimAkra@users.noreply.github.com>
This commit is contained in:
MoonDroid
2026-08-21 14:46:57 +07:00
co-authored by Karim Akra
parent ee9d492bec
commit 3c8f7c08ec
1 changed files with 61 additions and 45 deletions
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source/funkin/external/android/java/funkin/extension/FNFCExtension.java
Vendored
+61 -45
View File
@@ -2,23 +2,26 @@ package funkin.extensions;
import android.content.Intent;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.os.Build;
import android.os.FileUtils;
import android.os.Bundle;
import android.util.Log;
import android.util.Base64;
import funkin.extensions.CallbackUtil;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import org.haxe.extension.Extension;
import org.haxe.lime.HaxeObject;
public class FNFCExtension extends Extension
{
public static final String LOG_TAG = "FNFCExtension";
@@ -69,61 +72,74 @@ public class FNFCExtension extends Extension
}
public static String copyFNFCToCache(Uri uri) throws IOException
{
if (uri != null)
{
if (uri == null) return null;
File output = null;
try
{
String fileName = new File(uri.getPath()).getName();
// Clean some Uri leftovers
if (fileName.contains(":"))
fileName = fileName.split(":")[1];
File cacheFNFC = new File(mainContext.getCacheDir(), "fnfc");
File output = new File(cacheFNFC, fileName);
if (!cacheFNFC.exists() && !cacheFNFC.mkdirs())
throw new IOException("Failed to create FNFC cache dir at: " + cacheFNFC.getAbsolutePath());
if (!cacheFNFC.exists())
cacheFNFC.mkdir();
output = new File(cacheFNFC, fnfcCacheName(uri));
if (output.exists())
output.delete();
ParcelFileDescriptor parcelFileDescriptor = null;
FileInputStream fileInputStream = null;
OutputStream out = null;
InputStream in = null;
OutputStream out = null;
try
{
parcelFileDescriptor = mainContext.getContentResolver().openFileDescriptor(uri, "r");
fileInputStream = new FileInputStream(parcelFileDescriptor.getFileDescriptor());
in = mainContext.getContentResolver().openInputStream(uri);
if (in == null)
throw new IOException("Failed to get input stream for Uri: " + uri.toString());
byte[] fileBytes = new byte[(int) parcelFileDescriptor.getStatSize()];
fileInputStream.read(fileBytes);
out = new FileOutputStream(output);
out = new FileOutputStream(output);
out.write(fileBytes);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q)
{
FileUtils.copy(in, out);
}
else
{
Files.copy(in, output.toPath(), StandardCopyOption.REPLACE_EXISTING);
}
if (output.exists())
output.deleteOnExit(); // makes the file get deleted when the app closes ig?
out.flush();
}
catch (IOException e)
finally
{
Log.e(LOG_TAG, e.getMessage());
if (in != null)
in.close();
if (out != null)
out.close();
}
finally
{
if (fileInputStream != null)
fileInputStream.close();
if (parcelFileDescriptor != null)
parcelFileDescriptor.close();
if (output.length() <= 0)
throw new IOException("The copied Uri file (" + uri.toString() + ") ended empty at: " + output.getAbsolutePath());
if (out != null)
out.close();
}
return output.getAbsolutePath();
}
catch (Throwable t)
{
Log.e("trace", "Failed to copy FNFC from " + uri.toString() + ". Error message: " + t.getMessage());
if (output != null) output.delete();
return null;
}
}
return output.getAbsolutePath();
}
return null;
}
private static String fnfcCacheName(Uri uri)
{
try
{
byte[] digest = MessageDigest.getInstance("SHA-256")
.digest(uri.toString().getBytes(StandardCharsets.UTF_8));
return Base64.encodeToString(digest,
Base64.URL_SAFE | Base64.NO_WRAP | Base64.NO_PADDING) + ".fnfc";
}
catch (Exception e)
{
return Integer.toHexString(uri.toString().hashCode()) + ".fnfc";
}
}
}