nifi-registry-core/nifi-registry-web-api/src/main/java/org/apache/nifi/registry/web/security/authentication/x509/SubjectDnX509PrincipalExtractor.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.nifi.registry.web.security.authentication.x509;

import org.springframework.security.web.authentication.preauth.x509.X509PrincipalExtractor;
import org.springframework.stereotype.Component;

import java.security.cert.X509Certificate;

/**
 * Principal extractor for extracting a DN.
 */
@Component
public class SubjectDnX509PrincipalExtractor implements X509PrincipalExtractor {

    @Override
    public Object extractPrincipal(X509Certificate cert) {
        return cert.getSubjectDN().getName().trim();
    }

}