org.apache.oozie.servlet.OozieXFrameOptionsFilter.java Source code

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Here is the source code for org.apache.oozie.servlet.OozieXFrameOptionsFilter.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.oozie.servlet;

import org.apache.hadoop.security.http.XFrameOptionsFilter;
import org.apache.oozie.service.ConfigurationService;
import org.apache.oozie.util.XLog;

import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.FilterChain;
import java.io.IOException;

public class OozieXFrameOptionsFilter extends XFrameOptionsFilter {

    private static final XLog LOG = XLog.getLog(OozieXFrameOptionsFilter.class);

    @Override
    public void init(FilterConfig config) throws ServletException {
        super.init(config);
    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
            throws IOException, ServletException {
        boolean isXFrameEnable = ConfigurationService.getBoolean(ConfigurationService.XFRAME_PROPERTY);
        LOG.debug("Oozie XFrame-Option filter enabled status: " + isXFrameEnable);
        if (isXFrameEnable) {
            super.doFilter(req, res, chain);
        } else {
            chain.doFilter(req, res);
        }
    }

    @Override
    public void destroy() {
        super.destroy();
    }
}