Use PackageInfoCompat.getSignatures().

This commit is contained in:
Isira Seneviratne 2021-07-10 14:57:01 +05:30
parent ca282f2be8
commit 9458b9f37d
1 changed files with 9 additions and 6 deletions

View File

@ -4,7 +4,6 @@ import android.app.Application;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.Signature;
import android.net.ConnectivityManager;
@ -16,6 +15,7 @@ import androidx.annotation.Nullable;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationManagerCompat;
import androidx.core.content.ContextCompat;
import androidx.core.content.pm.PackageInfoCompat;
import androidx.preference.PreferenceManager;
import com.grack.nanojson.JsonObject;
@ -34,6 +34,7 @@ import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.List;
import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
import io.reactivex.rxjava3.core.Maybe;
@ -58,20 +59,22 @@ public final class CheckForNewAppVersion {
*/
@NonNull
private static String getCertificateSHA1Fingerprint(@NonNull final Application application) {
final PackageInfo packageInfo;
final List<Signature> signatures;
try {
packageInfo = application.getPackageManager().getPackageInfo(
application.getPackageName(), PackageManager.GET_SIGNATURES);
signatures = PackageInfoCompat.getSignatures(application.getPackageManager(),
application.getPackageName());
} catch (final PackageManager.NameNotFoundException e) {
ErrorActivity.reportError(application, new ErrorInfo(e,
UserAction.CHECK_FOR_NEW_APP_VERSION, "Could not find package info"));
return "";
}
if (signatures.isEmpty()) {
return "";
}
final X509Certificate c;
try {
final Signature[] signatures = packageInfo.signatures;
final byte[] cert = signatures[0].toByteArray();
final byte[] cert = signatures.get(0).toByteArray();
final InputStream input = new ByteArrayInputStream(cert);
final CertificateFactory cf = CertificateFactory.getInstance("X509");
c = (X509Certificate) cf.generateCertificate(input);