CrackMe.apk
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package com.google.android.exoplayer2.upstream;
import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.content.res.Resources;
import android.net.Uri;
import android.text.TextUtils;
import com.facebook.common.util.UriUtil;
import com.google.android.exoplayer2.PlaybackException;
import com.google.android.exoplayer2.util.Assertions;
import com.google.android.exoplayer2.util.Util;
import java.io.EOFException;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.channels.FileChannel;
public final class RawResourceDataSource extends BaseDataSource {
public static final String RAW_RESOURCE_SCHEME = "rawresource";
private AssetFileDescriptor assetFileDescriptor;
private long bytesRemaining;
private InputStream inputStream;
private boolean opened;
private final String packageName;
private final Resources resources;
private Uri uri;
public static class RawResourceDataSourceException extends DataSourceException {
@Deprecated
public RawResourceDataSourceException(String str) {
super(str, (Throwable) null, 2000);
}
@Deprecated
public RawResourceDataSourceException(Throwable th) {
super(th, 2000);
}
public RawResourceDataSourceException(String str, Throwable th, int i) {
super(str, th, i);
}
}
public static Uri buildRawResourceUri(int i) {
return Uri.parse("rawresource:///" + i);
}
public RawResourceDataSource(Context context) {
super(false);
this.resources = context.getResources();
this.packageName = context.getPackageName();
}
public long open(DataSpec dataSpec) throws RawResourceDataSourceException {
int i;
String str;
DataSpec dataSpec2 = dataSpec;
Uri uri2 = dataSpec2.uri;
this.uri = uri2;
if (TextUtils.equals(RAW_RESOURCE_SCHEME, uri2.getScheme()) || (TextUtils.equals(UriUtil.QUALIFIED_RESOURCE_SCHEME, uri2.getScheme()) && uri2.getPathSegments().size() == 1 && ((String) Assertions.checkNotNull(uri2.getLastPathSegment())).matches("\\d+"))) {
try {
i = Integer.parseInt((String) Assertions.checkNotNull(uri2.getLastPathSegment()));
} catch (NumberFormatException unused) {
throw new RawResourceDataSourceException("Resource identifier must be an integer.", (Throwable) null, 1004);
}
} else if (TextUtils.equals(UriUtil.QUALIFIED_RESOURCE_SCHEME, uri2.getScheme())) {
String str2 = (String) Assertions.checkNotNull(uri2.getPath());
if (str2.startsWith("/")) {
str2 = str2.substring(1);
}
String host = uri2.getHost();
StringBuilder sb = new StringBuilder();
if (TextUtils.isEmpty(host)) {
str = "";
} else {
str = host + ":";
}
sb.append(str);
sb.append(str2);
i = this.resources.getIdentifier(sb.toString(), "raw", this.packageName);
if (i == 0) {
throw new RawResourceDataSourceException("Resource not found.", (Throwable) null, PlaybackException.ERROR_CODE_IO_FILE_NOT_FOUND);
}
} else {
throw new RawResourceDataSourceException("URI must either use scheme rawresource or android.resource", (Throwable) null, 1004);
}
transferInitializing(dataSpec);
try {
AssetFileDescriptor openRawResourceFd = this.resources.openRawResourceFd(i);
this.assetFileDescriptor = openRawResourceFd;
if (openRawResourceFd != null) {
long length = openRawResourceFd.getLength();
FileInputStream fileInputStream = new FileInputStream(openRawResourceFd.getFileDescriptor());
this.inputStream = fileInputStream;
int i2 = (length > -1 ? 1 : (length == -1 ? 0 : -1));
if (i2 != 0) {
try {
if (dataSpec2.position > length) {
throw new RawResourceDataSourceException((String) null, (Throwable) null, 2008);
}
} catch (RawResourceDataSourceException e) {
throw e;
} catch (IOException e2) {
throw new RawResourceDataSourceException((String) null, e2, 2000);
}
}
long startOffset = openRawResourceFd.getStartOffset();
long skip = fileInputStream.skip(dataSpec2.position + startOffset) - startOffset;
if (skip == dataSpec2.position) {
if (i2 == 0) {
FileChannel channel = fileInputStream.getChannel();
if (channel.size() == 0) {
this.bytesRemaining = -1;
} else {
long size = channel.size() - channel.position();
this.bytesRemaining = size;
if (size < 0) {
throw new RawResourceDataSourceException((String) null, (Throwable) null, 2008);
}
}
} else {
long j = length - skip;
this.bytesRemaining = j;
if (j < 0) {
throw new DataSourceException(2008);
}
}
if (dataSpec2.length != -1) {
long j2 = this.bytesRemaining;
this.bytesRemaining = j2 == -1 ? dataSpec2.length : Math.min(j2, dataSpec2.length);
}
this.opened = true;
transferStarted(dataSpec);
return dataSpec2.length != -1 ? dataSpec2.length : this.bytesRemaining;
}
throw new RawResourceDataSourceException((String) null, (Throwable) null, 2008);
}
throw new RawResourceDataSourceException("Resource is compressed: " + uri2, (Throwable) null, 2000);
} catch (Resources.NotFoundException e3) {
throw new RawResourceDataSourceException((String) null, e3, PlaybackException.ERROR_CODE_IO_FILE_NOT_FOUND);
}
}
public int read(byte[] bArr, int i, int i2) throws RawResourceDataSourceException {
if (i2 == 0) {
return 0;
}
long j = this.bytesRemaining;
if (j == 0) {
return -1;
}
if (j != -1) {
try {
i2 = (int) Math.min(j, (long) i2);
} catch (IOException e) {
throw new RawResourceDataSourceException((String) null, e, 2000);
}
}
int read = ((InputStream) Util.castNonNull(this.inputStream)).read(bArr, i, i2);
if (read != -1) {
long j2 = this.bytesRemaining;
if (j2 != -1) {
this.bytesRemaining = j2 - ((long) read);
}
bytesTransferred(read);
return read;
} else if (this.bytesRemaining == -1) {
return -1;
} else {
throw new RawResourceDataSourceException("End of stream reached having not read sufficient data.", new EOFException(), 2000);
}
}
public Uri getUri() {
return this.uri;
}
public void close() throws RawResourceDataSourceException {
this.uri = null;
try {
InputStream inputStream2 = this.inputStream;
if (inputStream2 != null) {
inputStream2.close();
}
this.inputStream = null;
try {
AssetFileDescriptor assetFileDescriptor2 = this.assetFileDescriptor;
if (assetFileDescriptor2 != null) {
assetFileDescriptor2.close();
}
this.assetFileDescriptor = null;
if (this.opened) {
this.opened = false;
transferEnded();
}
} catch (IOException e) {
throw new RawResourceDataSourceException((String) null, e, 2000);
} catch (Throwable th) {
this.assetFileDescriptor = null;
if (this.opened) {
this.opened = false;
transferEnded();
}
throw th;
}
} catch (IOException e2) {
throw new RawResourceDataSourceException((String) null, e2, 2000);
} catch (Throwable th2) {
this.inputStream = null;
try {
AssetFileDescriptor assetFileDescriptor3 = this.assetFileDescriptor;
if (assetFileDescriptor3 != null) {
assetFileDescriptor3.close();
}
this.assetFileDescriptor = null;
if (this.opened) {
this.opened = false;
transferEnded();
}
throw th2;
} catch (IOException e3) {
throw new RawResourceDataSourceException((String) null, e3, 2000);
} catch (Throwable th3) {
this.assetFileDescriptor = null;
if (this.opened) {
this.opened = false;
transferEnded();
}
throw th3;
}
}
}
}
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