/*
* JBoss, Home of Professional Open Source.
* Copyright 2012 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.security.handlers;
import io.undertow.security.api.SecurityContext;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
/**
* This is the final {@link HttpHandler} in the security chain, it's purpose is to act as a barrier at the end of the chain to
* ensure authenticate is called after the mechanisms have been associated with the context and the constraint checked.
*
* @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
*/
public class AuthenticationCallHandler implements HttpHandler {
private final HttpHandler next;
public AuthenticationCallHandler(final HttpHandler next) {
this.next = next;
}
/**
* Only allow the request through if successfully authenticated or if authentication is not required.
*
* @see io.undertow.server.HttpHandler#handleRequest(io.undertow.server.HttpServerExchange)
*/
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
if(exchange.isInIoThread()) {
exchange.dispatch(this);
return;
}
SecurityContext context = exchange.getSecurityContext();
if (context.authenticate()) {
if(!exchange.isComplete()) {
next.handleRequest(exchange);
}
} else {
exchange.endExchange();
}
}
}