/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2017 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.platform.web.http.filters;
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 javax.servlet.http.HttpServletResponse;
import javax.ws.rs.HttpMethod;
import java.io.IOException;
public class PreFlightReportingFilter implements Filter {
public void init( FilterConfig filterConfig ) throws ServletException {
}
public void destroy() {
}
public void doFilter( ServletRequest request, ServletResponse response, FilterChain chain ) throws IOException,
ServletException {
HttpServletRequest httpRequest = (HttpServletRequest) request;
if ( isPreFlight( httpRequest ) ) {
final HttpServletResponse servletResponse = (HttpServletResponse) response;
servletResponse.setStatus( HttpServletResponse.SC_METHOD_NOT_ALLOWED );
} else {
chain.doFilter( request, response );
}
}
private boolean isPreFlight( final HttpServletRequest request ) {
return ( HttpMethod.OPTIONS.equals( request.getMethod() ) || HttpMethod.HEAD.equals( request.getMethod() ) );
}
}