001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027package org.apache.http.ssl;
028
029import java.security.cert.CertificateException;
030import java.security.cert.X509Certificate;
031
032/**
033 * A strategy to establish trustworthiness of certificates without consulting the trust manager
034 * configured in the actual SSL context. This interface can be used to override the standard
035 * JSSE certificate verification process.
036 *
037 * @since 4.4
038 */
039public interface TrustStrategy {
040
041    /**
042     * Determines whether the certificate chain can be trusted without consulting the trust manager
043     * configured in the actual SSL context. This method can be used to override the standard JSSE
044     * certificate verification process.
045     * <p>
046     * Please note that, if this method returns {@code false}, the trust manager configured
047     * in the actual SSL context can still clear the certificate as trusted.
048     *
049     * @param chain the peer certificate chain
050     * @param authType the authentication type based on the client certificate
051     * @return {@code true} if the certificate can be trusted without verification by
052     *   the trust manager, {@code false} otherwise.
053     * @throws CertificateException thrown if the certificate is not trusted or invalid.
054     */
055    boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException;
056
057}