hostsidetests/securitybulletin/test-apps/CVE-2021-0963/src/android/security/cts/CVE_2021_0963/PocActivity.java

/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.security.cts.CVE_2021_0963;

import android.app.Activity;
import android.os.Bundle;
import android.os.RemoteCallback;
import android.security.KeyChain;
import android.security.KeyChainAliasCallback;

import androidx.annotation.Nullable;

public class PocActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        try {
            super.onCreate(savedInstanceState);
            KeyChainAliasCallback callback = new KeyChainAliasCallback() {
                @Override
                public void alias(@Nullable String alias) {}
            };
            KeyChain.choosePrivateKeyAlias(this, callback, null, null, null, -1, null);
            sendTestResult(getResources().getInteger(R.integer.noException), "");
        } catch (Exception e) {
            sendTestResult(getResources().getInteger(R.integer.assumptionFailure), e.getMessage());
        }
    }

    void sendTestResult(int status, String message) {
        try {
            RemoteCallback cb =
                    (RemoteCallback) getIntent().getExtras().get(getString(R.string.callbackKey));
            Bundle res = new Bundle();
            res.putString(getString(R.string.messageKey), message);
            res.putInt(getString(R.string.statusKey), status);
            cb.sendResult(res);
        } catch (Exception e) {
            // ignore all exceptions
        }
    }
}