platform/src/main/java/org/conscrypt/ct/CTPolicyImpl.java

/*
 * Copyright (C) 2015 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 org.conscrypt.ct;

import java.security.cert.X509Certificate;
import java.util.HashSet;
import java.util.Set;
import org.conscrypt.Internal;

/**
 * @hide
 */
@Internal
public class CTPolicyImpl implements CTPolicy {
    private final CTLogStore logStore;
    private final int minimumLogCount;

    public CTPolicyImpl(CTLogStore logStore, int minimumLogCount) {
        this.logStore = logStore;
        this.minimumLogCount = minimumLogCount;
    }

    @Override
    public boolean doesResultConformToPolicy(CTVerificationResult result, String hostname,
                                             X509Certificate[] chain) {
        Set<CTLogInfo> logSet = new HashSet();
        for (VerifiedSCT verifiedSCT: result.getValidSCTs()) {
            CTLogInfo log = logStore.getKnownLog(verifiedSCT.sct.getLogID());
            if (log != null) {
                logSet.add(log);
            }
        }

        return logSet.size() >= minimumLogCount;
    }
}