/*
* Copyright 2002-2011 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.flex.security3;
import org.springframework.flex.core.MessageInterceptor;
import org.springframework.flex.core.MessageProcessingContext;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.util.Assert;
import flex.messaging.FlexContext;
import flex.messaging.messages.Message;
/**
* {@link MessageInterceptor} implementation that handles setup and teardown of the {@link SecurityContext} for the
* current request when using per-client authentication.
*
* @author Jeremy Grelle
*/
public class PerClientAuthenticationInterceptor implements MessageInterceptor {
/**
*
* {@inheritDoc}
*/
public Message postProcess(MessageProcessingContext context, Message inputMessage, Message outputMessage) {
SecurityContextHolder.clearContext();
return outputMessage;
}
/**
*
* {@inheritDoc}
*/
public Message preProcess(MessageProcessingContext context, Message inputMessage) {
if (FlexContext.getUserPrincipal() != null) {
Assert.isInstanceOf(Authentication.class, FlexContext.getUserPrincipal(), "FlexContext.getUserPrincipal returned an unexpected type. "
+ "Expected instance of " + Authentication.class.getName() + "but was " + FlexContext.getUserPrincipal().getName());
SecurityContextHolder.getContext().setAuthentication((Authentication) FlexContext.getUserPrincipal());
}
return inputMessage;
}
}