discord-jadx/app/src/main/java/androidx/core/content/pm/PackageInfoCompat.java

package androidx.core.content.pm;

import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.Signature;
import android.content.pm.SigningInfo;
import android.os.Build;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.annotation.Size;
import c.d.b.a.a;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
public final class PackageInfoCompat {

    @RequiresApi(28)
    public static class Api28Impl {
        private Api28Impl() {
        }

        @Nullable
        public static Signature[] getApkContentsSigners(@NonNull SigningInfo signingInfo) {
            return signingInfo.getApkContentsSigners();
        }

        @Nullable
        public static Signature[] getSigningCertificateHistory(@NonNull SigningInfo signingInfo) {
            return signingInfo.getSigningCertificateHistory();
        }

        public static boolean hasMultipleSigners(@NonNull SigningInfo signingInfo) {
            return signingInfo.hasMultipleSigners();
        }

        public static boolean hasSigningCertificate(@NonNull PackageManager packageManager, @NonNull String str, @NonNull byte[] bArr, int i) {
            return packageManager.hasSigningCertificate(str, bArr, i);
        }
    }

    private PackageInfoCompat() {
    }

    private static boolean byteArrayContains(@NonNull byte[][] bArr, @NonNull byte[] bArr2) {
        for (byte[] bArr3 : bArr) {
            if (Arrays.equals(bArr2, bArr3)) {
                return true;
            }
        }
        return false;
    }

    private static byte[] computeSHA256Digest(byte[] bArr) {
        try {
            return MessageDigest.getInstance("SHA256").digest(bArr);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("Device doesn't support SHA256 cert checking", e);
        }
    }

    public static long getLongVersionCode(@NonNull PackageInfo packageInfo) {
        return Build.VERSION.SDK_INT >= 28 ? packageInfo.getLongVersionCode() : (long) packageInfo.versionCode;
    }

    @NonNull
    public static List<Signature> getSignatures(@NonNull PackageManager packageManager, @NonNull String str) throws PackageManager.NameNotFoundException {
        Signature[] signatureArr;
        if (Build.VERSION.SDK_INT >= 28) {
            SigningInfo signingInfo = packageManager.getPackageInfo(str, 134217728).signingInfo;
            signatureArr = Api28Impl.hasMultipleSigners(signingInfo) ? Api28Impl.getApkContentsSigners(signingInfo) : Api28Impl.getSigningCertificateHistory(signingInfo);
        } else {
            signatureArr = packageManager.getPackageInfo(str, 64).signatures;
        }
        return signatureArr == null ? Collections.emptyList() : Arrays.asList(signatureArr);
    }

    public static boolean hasSignatures(@NonNull PackageManager packageManager, @NonNull String str, @NonNull @Size(min = 1) Map<byte[], Integer> map, boolean z2) throws PackageManager.NameNotFoundException {
        if (map.isEmpty()) {
            return false;
        }
        Set<byte[]> keySet = map.keySet();
        for (byte[] bArr : keySet) {
            if (bArr != null) {
                Integer num = map.get(bArr);
                if (num != null) {
                    int intValue = num.intValue();
                    if (!(intValue == 0 || intValue == 1)) {
                        throw new IllegalArgumentException("Unsupported certificate type " + num + " when verifying " + str);
                    }
                } else {
                    throw new IllegalArgumentException(a.u("Type must be specified for cert when verifying ", str));
                }
            } else {
                throw new IllegalArgumentException(a.u("Cert byte array cannot be null when verifying ", str));
            }
        }
        List<Signature> signatures = getSignatures(packageManager, str);
        if (z2 || Build.VERSION.SDK_INT < 28) {
            if (signatures.size() != 0 && map.size() <= signatures.size() && (!z2 || map.size() == signatures.size())) {
                byte[][] bArr2 = null;
                if (map.containsValue(1)) {
                    bArr2 = new byte[signatures.size()][];
                    for (int i = 0; i < signatures.size(); i++) {
                        bArr2[i] = computeSHA256Digest(signatures.get(i).toByteArray());
                    }
                }
                Iterator<byte[]> it = keySet.iterator();
                if (it.hasNext()) {
                    byte[] next = it.next();
                    Integer num2 = map.get(next);
                    int intValue2 = num2.intValue();
                    if (intValue2 != 0) {
                        if (intValue2 != 1) {
                            throw new IllegalArgumentException("Unsupported certificate type " + num2);
                        } else if (!byteArrayContains(bArr2, next)) {
                            return false;
                        }
                    } else if (!signatures.contains(new Signature(next))) {
                        return false;
                    }
                    return true;
                }
            }
            return false;
        }
        for (byte[] bArr3 : keySet) {
            if (!Api28Impl.hasSigningCertificate(packageManager, str, bArr3, map.get(bArr3).intValue())) {
                return false;
            }
        }
        return true;
    }
}