org.springframework.security.web.authentication.preauth.x509.X509AuthenticationFilter Maven / Gradle / Ivy
/*
* Copyright 2002-2016 the original author or authors.
*
* 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
*
* https://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.springframework.security.web.authentication.preauth.x509;
import java.security.cert.X509Certificate;
import jakarta.servlet.http.HttpServletRequest;
import org.springframework.core.log.LogMessage;
import org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter;
/**
* @author Luke Taylor
*/
public class X509AuthenticationFilter extends AbstractPreAuthenticatedProcessingFilter {
private X509PrincipalExtractor principalExtractor = new SubjectDnX509PrincipalExtractor();
@Override
protected Object getPreAuthenticatedPrincipal(HttpServletRequest request) {
X509Certificate cert = extractClientCertificate(request);
return (cert != null) ? this.principalExtractor.extractPrincipal(cert) : null;
}
@Override
protected Object getPreAuthenticatedCredentials(HttpServletRequest request) {
return extractClientCertificate(request);
}
private X509Certificate extractClientCertificate(HttpServletRequest request) {
X509Certificate[] certs = (X509Certificate[]) request.getAttribute("jakarta.servlet.request.X509Certificate");
if (certs != null && certs.length > 0) {
this.logger.debug(LogMessage.format("X.509 client authentication certificate:%s", certs[0]));
return certs[0];
}
this.logger.debug("No client certificate found in request.");
return null;
}
public void setPrincipalExtractor(X509PrincipalExtractor principalExtractor) {
this.principalExtractor = principalExtractor;
}
}