/*
* Copyright 2015 JBoss, by Red Hat, Inc
*
* 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.uberfire.ext.security.server;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import org.jboss.errai.marshalling.server.MappingContextSingleton;
import org.uberfire.backend.server.security.RoleRegistry;
public class SecurityIntegrationFilter implements Filter {
public static final String PROBE_ROLES_INIT_PARAM = "probe-for-roles";
static final ThreadLocal<HttpServletRequest> requests = new ThreadLocal<HttpServletRequest>();
/**
* Returns the current servlet request that this thread is handling, or null if this thread is not currently handling
* a servlet request.
*/
public static HttpServletRequest getRequest() {
return requests.get();
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
MappingContextSingleton.get();
String commaSeparatedRoles = filterConfig.getInitParameter(PROBE_ROLES_INIT_PARAM);
if (commaSeparatedRoles != null) {
for (final String role : Collections.unmodifiableList(Arrays.asList(commaSeparatedRoles.split(",")))) {
RoleRegistry.get().registerRole(role);
}
}
}
@Override
public void destroy() {
// no op
}
@Override
public void doFilter(ServletRequest request,
ServletResponse response,
FilterChain chain) throws IOException, ServletException {
requests.set((HttpServletRequest) request);
try {
chain.doFilter(request,
response);
} finally {
requests.remove();
}
}
}