/*
* Copyright 2011 NCHOVY
*
* Licensed 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.krakenapps.rule.http;
import java.util.Map;
import java.util.regex.Pattern;
public class LocalFileInclusionRule extends HttpRequestRule {
private Map<String, String> params;
public LocalFileInclusionRule(String id, String msg, String path, Map<String, String> params) {
super("lfi", id, msg, path);
this.params = params;
}
@Override
public boolean match(HttpRequestContext c) {
for (String var : params.keySet()) {
String value = c.getParameters().get(var);
if (value == null)
return false;
if (value.contains("%00"))
return true;
if (!value.isEmpty() && value.matches("^/?(\\./|\\.\\./)*$"))
return true;
if (params.get(var) != null) {
String expected = params.get(var);
if (!value.matches(Pattern.quote(expected) + "(/((\\.|\\.\\.)/)*)?"))
return false;
} else {
if (!value.contains("%00"))
return false;
}
}
System.out.println("pass");
return true;
}
@Override
public String toString() {
return getId() + " " + getMessage();
}
}