/**
* This file is part of Graylog2.
*
* Graylog2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.security;
import org.apache.shiro.authz.annotation.RequiresAuthentication;
import org.apache.shiro.authz.annotation.RequiresGuest;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.apache.shiro.util.ThreadContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.ws.rs.container.*;
import javax.ws.rs.core.FeatureContext;
import java.lang.reflect.Method;
/**
* @author Kay Roepke <kay@torch.sh>
*/
public class ShiroSecurityBinding implements DynamicFeature {
private static final Logger LOG = LoggerFactory.getLogger(ShiroSecurityBinding.class);
@Override
public void configure(ResourceInfo resourceInfo, FeatureContext context) {
final Class<?> resourceClass = resourceInfo.getResourceClass();
final Method resourceMethod = resourceInfo.getResourceMethod();
if (resourceMethod.isAnnotationPresent(RequiresAuthentication.class) ||
resourceClass.isAnnotationPresent(RequiresAuthentication.class)) {
if (resourceMethod.isAnnotationPresent(RequiresGuest.class)) {
LOG.debug("Resource method {}#{} is marked as unauthenticated, skipping setting filter.");
} else {
LOG.debug("Resource method {}#{} requires an authenticated user.", resourceClass.getCanonicalName(), resourceMethod.getName());
context.register(new ShiroAuthenticationFilter());
}
}
if (resourceMethod.isAnnotationPresent(RequiresPermissions.class) ||
resourceClass.isAnnotationPresent(RequiresPermissions.class)) {
RequiresPermissions a = resourceClass.getAnnotation(RequiresPermissions.class);
if (a == null) {
a = resourceMethod.getAnnotation(RequiresPermissions.class);
}
LOG.debug("Resource method {}#{} requires an authorization checks.", resourceClass.getCanonicalName(), resourceMethod.getName());
context.register(new ShiroAuthorizationFilter(a));
}
// TODO this is the wrong approach, we should have an Environment and proper request wrapping
context.register(new ContainerResponseFilter() {
@Override
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) {
ThreadContext.unbindSubject();
}
});
}
}