/*
* This file is part of rockframework.
*
* rockframework 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.
*
* rockframework 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 this program. If not, see <http://www.gnu.org/licenses/>;.
*/
package br.net.woodstock.rockframework.web.filter.referer;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
import br.net.woodstock.rockframework.utils.ConditionUtils;
import br.net.woodstock.rockframework.web.JSPException;
import br.net.woodstock.rockframework.web.utils.RequestUtils;
public class RegexRefererFilter extends NoRefererFilter {
public static final String REGEX_PARAMETER = "regex";
private String regex;
@Override
protected boolean validateReferer(final HttpServletRequest request) {
if (this.regex == null) {
this.regex = this.getInitParameter(RegexRefererFilter.REGEX_PARAMETER);
}
if (ConditionUtils.isEmpty(this.regex)) {
throw new JSPException("Parameter '" + RegexRefererFilter.REGEX_PARAMETER + "' must be set");
}
if (super.validateReferer(request)) {
String referer = RequestUtils.getReferer(request);
if (Pattern.matches(this.regex, referer)) {
return true;
}
}
return false;
}
}