org.springframework.security.web.access.channel.AbstractRetryEntryPoint 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.access.channel;
import java.io.IOException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.core.log.LogMessage;
import org.springframework.security.web.DefaultRedirectStrategy;
import org.springframework.security.web.PortMapper;
import org.springframework.security.web.PortMapperImpl;
import org.springframework.security.web.PortResolver;
import org.springframework.security.web.PortResolverImpl;
import org.springframework.security.web.RedirectStrategy;
import org.springframework.util.Assert;
/**
* @author Luke Taylor
*/
public abstract class AbstractRetryEntryPoint implements ChannelEntryPoint {
protected final Log logger = LogFactory.getLog(getClass());
private PortMapper portMapper = new PortMapperImpl();
private PortResolver portResolver = new PortResolverImpl();
/**
* The scheme ("http://" or "https://")
*/
private final String scheme;
/**
* The standard port for the scheme (80 for http, 443 for https)
*/
private final int standardPort;
private RedirectStrategy redirectStrategy = new DefaultRedirectStrategy();
public AbstractRetryEntryPoint(String scheme, int standardPort) {
this.scheme = scheme;
this.standardPort = standardPort;
}
@Override
public void commence(HttpServletRequest request, HttpServletResponse response) throws IOException {
String queryString = request.getQueryString();
String redirectUrl = request.getRequestURI() + ((queryString != null) ? ("?" + queryString) : "");
Integer currentPort = this.portResolver.getServerPort(request);
Integer redirectPort = getMappedPort(currentPort);
if (redirectPort != null) {
boolean includePort = redirectPort != this.standardPort;
String port = (includePort) ? (":" + redirectPort) : "";
redirectUrl = this.scheme + request.getServerName() + port + redirectUrl;
}
this.logger.debug(LogMessage.format("Redirecting to: %s", redirectUrl));
this.redirectStrategy.sendRedirect(request, response, redirectUrl);
}
protected abstract Integer getMappedPort(Integer mapFromPort);
protected final PortMapper getPortMapper() {
return this.portMapper;
}
public void setPortMapper(PortMapper portMapper) {
Assert.notNull(portMapper, "portMapper cannot be null");
this.portMapper = portMapper;
}
public void setPortResolver(PortResolver portResolver) {
Assert.notNull(portResolver, "portResolver cannot be null");
this.portResolver = portResolver;
}
protected final PortResolver getPortResolver() {
return this.portResolver;
}
/**
* Sets the strategy to be used for redirecting to the required channel URL. A
* {@code DefaultRedirectStrategy} instance will be used if not set.
* @param redirectStrategy the strategy instance to which the URL will be passed.
*/
public void setRedirectStrategy(RedirectStrategy redirectStrategy) {
Assert.notNull(redirectStrategy, "redirectStrategy cannot be null");
this.redirectStrategy = redirectStrategy;
}
protected final RedirectStrategy getRedirectStrategy() {
return this.redirectStrategy;
}
}