/*
* 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.servlet.handlers.security;
import io.undertow.security.api.SecurityContext;
import io.undertow.security.idm.Account;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.servlet.api.SecurityInfo;
import io.undertow.servlet.handlers.ServletRequestContext;
import java.util.List;
import java.util.Set;
import javax.servlet.DispatcherType;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet role handler
*
* @author Stuart Douglas
*/
public class ServletSecurityRoleHandler implements HttpHandler {
private final HttpHandler next;
public ServletSecurityRoleHandler(final HttpHandler next) {
this.next = next;
}
@Override
public void handleRequest(final HttpServerExchange exchange) throws Exception {
final ServletRequestContext servletRequestContext = exchange.getAttachment(ServletRequestContext.ATTACHMENT_KEY);
List<SingleConstraintMatch> constraints = servletRequestContext.getRequiredConstrains();
SecurityContext sc = exchange.getAttachment(SecurityContext.ATTACHMENT_KEY);
ServletRequest request = servletRequestContext.getServletRequest();
if (request.getDispatcherType() != DispatcherType.REQUEST) {
next.handleRequest(exchange);
} else if (constraints == null || constraints.isEmpty()) {
next.handleRequest(exchange);
} else {
Account account = sc.getAuthenticatedAccount();
for (final SingleConstraintMatch constraint : constraints) {
boolean found = false;
Set<String> roleSet = constraint.getRequiredRoles();
if (roleSet.isEmpty() && constraint.getEmptyRoleSemantic() != SecurityInfo.EmptyRoleSemantic.DENY) {
/*
* The EmptyRoleSemantic was either PERMIT or AUTHENTICATE, either way a roles check is not needed.
*/
found = true;
} else {
for (String role : roleSet) {
if (account.isUserInRole(role)) {
found = true;
break;
}
}
}
if (!found) {
HttpServletResponse response = (HttpServletResponse) servletRequestContext.getServletResponse();
response.sendError(403);
return;
}
}
next.handleRequest(exchange);
}
}
}