org.springframework.security.web.session.SimpleRedirectSessionInformationExpiredStrategy 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
*
* 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.springframework.security.web.session;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.web.DefaultRedirectStrategy;
import org.springframework.security.web.RedirectStrategy;
import org.springframework.security.web.util.UrlUtils;
import org.springframework.util.Assert;
/**
* Performs a redirect to a fixed URL when an expired session is detected by the
* {@code ConcurrentSessionFilter}.
*
* @author Marten Deinum
* @since 4.2.0
*/
public final class SimpleRedirectSessionInformationExpiredStrategy implements SessionInformationExpiredStrategy {
private final Log logger = LogFactory.getLog(getClass());
private final String destinationUrl;
private final RedirectStrategy redirectStrategy;
public SimpleRedirectSessionInformationExpiredStrategy(String invalidSessionUrl) {
this(invalidSessionUrl, new DefaultRedirectStrategy());
}
public SimpleRedirectSessionInformationExpiredStrategy(String invalidSessionUrl, RedirectStrategy redirectStrategy) {
Assert.isTrue(UrlUtils.isValidRedirectUrl(invalidSessionUrl),
"url must start with '/' or with 'http(s)'");
this.destinationUrl=invalidSessionUrl;
this.redirectStrategy=redirectStrategy;
}
public void onExpiredSessionDetected(SessionInformationExpiredEvent event) throws IOException {
logger.debug("Redirecting to '" + destinationUrl + "'");
redirectStrategy.sendRedirect(event.getRequest(), event.getResponse(), destinationUrl);
}
}