model.SentinelHttpParamVirt.java Source code

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Here is the source code for model.SentinelHttpParamVirt.java

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/*
 * Copyright (C) 2013 DobinRutishauser@broken.ch
 *
 * This program 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.
 *
 * 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 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 model;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.lang3.StringEscapeUtils;
import util.BurpCallbacks;

/**
 *
 * @author DobinRutishauser@broken.ch
 */
public class SentinelHttpParamVirt extends SentinelHttpParam {
    private SentinelHttpParam parentParam = null; // For reference purposes only

    public enum EncoderType {
        Base64, URL, HTML,
    }

    private EncoderType encoderType;

    public SentinelHttpParamVirt(SentinelHttpParam parentParam, EncoderType type) {
        super(parentParam);

        this.encoderType = type;
        this.parentParam = parentParam;
    }

    public SentinelHttpParamVirt(SentinelHttpParamVirt virt) {
        super(virt);
        this.encoderType = virt.encoderType;
        this.parentParam = virt.parentParam;
    }

    @Override
    public String getDecodedValue() {
        String mutatedValue = "";

        switch (encoderType) {
        case Base64:
            byte[] mutated = BurpCallbacks.getInstance().getBurp().getHelpers().base64Decode(value);
            mutatedValue = "BASE64: " + new String(mutated);
            break;
        case URL:
            try {
                BurpCallbacks.getInstance().print("A: " + value);
                mutatedValue = "URL: " + URLDecoder.decode(value, "UTF-8");
            } catch (UnsupportedEncodingException ex) {
                Logger.getLogger(SentinelHttpParamVirt.class.getName()).log(Level.SEVERE, null, ex);
            }
            break;
        case HTML:
            mutatedValue = "HTML: " + StringEscapeUtils.unescapeHtml4(value);
            break;
        default:
            mutatedValue = value;
        }

        return mutatedValue;
    }

    @Override
    public void changeValue(String v) {
        String mutatedValue = "";

        switch (encoderType) {
        case Base64:
            byte[] b = BurpCallbacks.getInstance().getBurp().getHelpers().stringToBytes(v);
            mutatedValue = BurpCallbacks.getInstance().getBurp().getHelpers().base64Encode(b);
            break;
        case URL:
            try {
                mutatedValue = URLEncoder.encode(v, "UTF-8");
            } catch (UnsupportedEncodingException ex) {
                Logger.getLogger(SentinelHttpParamVirt.class.getName()).log(Level.SEVERE, null, ex);
            }
            break;
        case HTML:
            mutatedValue = StringEscapeUtils.escapeHtml4(v);
            break;
        default:
            mutatedValue = value;
        }

        this.value = mutatedValue;
        this.valueEnd = this.valueStart + value.length();
    }

}