Rabbit-R1/android (non root)/java/sources/androidx/media3/datasource/AesCipherDataSource.java
2024-05-21 17:08:36 -04:00

62 lines
2 KiB
Java

package androidx.media3.datasource;
import android.net.Uri;
import androidx.media3.common.util.Assertions;
import androidx.media3.common.util.Util;
import java.io.IOException;
import java.util.List;
import java.util.Map;
/* loaded from: classes2.dex */
public final class AesCipherDataSource implements DataSource {
private AesFlushingCipher cipher;
private final byte[] secretKey;
private final DataSource upstream;
public AesCipherDataSource(byte[] bArr, DataSource dataSource) {
this.upstream = dataSource;
this.secretKey = bArr;
}
@Override // androidx.media3.datasource.DataSource
public void addTransferListener(TransferListener transferListener) {
Assertions.checkNotNull(transferListener);
this.upstream.addTransferListener(transferListener);
}
@Override // androidx.media3.datasource.DataSource
public long open(DataSpec dataSpec) throws IOException {
long open = this.upstream.open(dataSpec);
this.cipher = new AesFlushingCipher(2, this.secretKey, dataSpec.key, dataSpec.uriPositionOffset + dataSpec.position);
return open;
}
@Override // androidx.media3.common.DataReader
public int read(byte[] bArr, int i, int i2) throws IOException {
if (i2 == 0) {
return 0;
}
int read = this.upstream.read(bArr, i, i2);
if (read == -1) {
return -1;
}
((AesFlushingCipher) Util.castNonNull(this.cipher)).updateInPlace(bArr, i, read);
return read;
}
@Override // androidx.media3.datasource.DataSource
public Uri getUri() {
return this.upstream.getUri();
}
@Override // androidx.media3.datasource.DataSource
public Map<String, List<String>> getResponseHeaders() {
return this.upstream.getResponseHeaders();
}
@Override // androidx.media3.datasource.DataSource
public void close() throws IOException {
this.cipher = null;
this.upstream.close();
}
}