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/*-
* ============LICENSE_START=======================================================
* org.onap.dcaegen2.collectors.ves
* ================================================================================
* Copyright (C) 2019 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.common.configuration;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.onap.dcae.ApplicationException;
import org.onap.dcae.ApplicationSettings;
public class SubjectMatcher {
private final ApplicationSettings properties;
private final X509Certificate[] cert;
public SubjectMatcher(ApplicationSettings properties, X509Certificate[] cert) {
this.properties = properties;
this.cert = cert;
}
public boolean match(){
try {
return getLines().anyMatch(element -> Pattern.compile(element).matcher(getSubjectDN(cert)).find());
} catch (IOException ex) {
throw new ApplicationException("Cannot read file cause: ", ex);
}
}
public boolean isCert() {
return cert !=null;
}
private Stream<String> getLines() throws IOException {
return Files.lines(Paths.get(properties.certSubjectMatcher()));
}
private String getSubjectDN(X509Certificate[] certs) {
return Arrays.stream(certs).map(e -> e.getSubjectDN().getName())
.map(x -> x.split(",")).flatMap(Arrays::stream)
.collect(Collectors.joining(","));
}
}
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