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Fix incomplete certificate requests causing crashes

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This commit is contained in:
Marvin W 2019-07-03 11:24:34 +02:00
parent 5d6e9ac01c
commit 8a0010a1d8
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GPG Key ID: 072E9235DB996F2A
2 changed files with 20 additions and 2 deletions
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11
play-services-core/src/main/java/com/google/android/gms/common/GoogleCertificatesImpl.java
View File

@ -16,6 +16,7 @@
package com.google.android.gms.common;
import android.content.pm.PackageManager;
import android.os.RemoteException;
import android.support.annotation.Keep;
import android.util.Log;
@ -55,6 +56,14 @@ public class GoogleCertificatesImpl extends IGoogleCertificatesApi.Stub {
@Override
public boolean isGoogleOrPlatformSigned(GoogleCertificatesQuery query, IObjectWrapper packageManager) throws RemoteException {
return PackageUtils.isGooglePackage(query.getPackageName(), query.getCertData().getBytes());
PackageManager pm = ObjectWrapper.unwrapTyped(packageManager, PackageManager.class);
if (query == null || query.getPackageName() == null) {
return false;
} else if (query.getCertData() == null) {
if (pm == null) return false;
return PackageUtils.isGooglePackage(pm, query.getPackageName());
} else {
return PackageUtils.isGooglePackage(query.getPackageName(), query.getCertData().getBytes());
}
}
}

11
play-services-core/src/main/java/org/microg/gms/common/PackageUtils.java
View File

@ -69,6 +69,11 @@ public class PackageUtils {
return isGooglePackage(packageName, signatureDigest);
}
public static boolean isGooglePackage(PackageManager packageManager, String packageName) {
String signatureDigest = firstSignatureDigest(packageManager, packageName);
return isGooglePackage(packageName, signatureDigest);
}
public static boolean isGooglePackage(String packageName, byte[] bytes) {
return isGooglePackage(packageName, sha1sum(bytes));
}
@ -102,7 +107,11 @@ public class PackageUtils {
@Nullable
public static String firstSignatureDigest(Context context, String packageName) {
PackageManager packageManager = context.getPackageManager();
return firstSignatureDigest(context.getPackageManager(), packageName);
}
@Nullable
public static String firstSignatureDigest(PackageManager packageManager, String packageName) {
final PackageInfo info;
try {
info = packageManager.getPackageInfo(packageName, PackageManager.GET_SIGNATURES);