RestrictToMasterFilter.java example

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graylog2-server-master
/**
 * This file is part of Graylog.
 *
 * Graylog 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.
 *
 * Graylog 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 Graylog.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.graylog2.shared.security;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.annotation.Priority;
import javax.ws.rs.ForbiddenException;
import javax.ws.rs.Priorities;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import java.io.IOException;

@Priority(Priorities.AUTHORIZATION)
public class RestrictToMasterFilter implements ContainerRequestFilter {
    private static final Logger LOG = LoggerFactory.getLogger(RestrictToMasterFilter.class);

    @Override
    public void filter(ContainerRequestContext requestContext) throws IOException {
        LOG.warn("Rejected request that is only allowed against master nodes. Returning HTTP 403.");
        throw new ForbiddenException("Request is only allowed against master nodes.");
    }
}