FilterDetectSetCookie.java

/*
 *
 * Paros and its related class files.
 * 
 * Paros is an HTTP/HTTPS proxy for assessing web application security.
 * Copyright (C) 2003-2004 Chinotec Technologies Company
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Clarified Artistic License
 * as published by the Free Software Foundation.
 * 
 * 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
 * Clarified Artistic License for more details.
 * 
 * You should have received a copy of the Clarified Artistic License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
// ZAP: 2011/04/16 i18n
// ZAP: 2012/03/15 Changed to use StringBuilder and replaced some string concatenations 
// with calls to the method append of the class StringBuilder. Reworked some code.
// ZAP: 2012/04/25 Added @Override annotation to all appropriate methods.
// ZAP: 2012/07/29 Removed incorrect (and unused) init method 
// ZAP: 2013/01/25 Removed the "(non-Javadoc)" comments.
// ZAP: 2013/03/03 Issue 546: Remove all template Javadoc comments

package org.parosproxy.paros.extension.filter;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.swing.JOptionPane;

import org.parosproxy.paros.Constant;
import org.parosproxy.paros.network.HttpMessage;
import org.parosproxy.paros.network.HttpResponseHeader;


public class FilterDetectSetCookie extends FilterAdaptor {

    private static final String CRLF = "\r\n";
    
    private	Pattern pattern = Pattern.compile("^ *"+ "Set-[Cc]ookie" + " *: *([^\\r\\n]*)" + "\\r\\n", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE);

    
    @Override
    public int getId() {
        return 110;
    }

    @Override
    public String getName() {
        return Constant.messages.getString("filter.setcookie.name");
        
    }

    @Override
    public void onHttpRequestSend(HttpMessage msg) {
       }

    @Override
    public void onHttpResponseReceive(HttpMessage msg) {
        HttpResponseHeader resHeader = msg.getResponseHeader();
        if (resHeader == null || resHeader.isEmpty()) {
            return;
        }
        
        if (resHeader.getHeader("Set-cookie") != null) {
            Matcher matcher = pattern.matcher(resHeader.toString());
            List<String> result = new LinkedList<>();
            
            while (matcher.find()){
                String cookie = matcher.group(1);
                if (cookie != null){
                    
                    // Modal dialog with OK/cancel and a text field
                    getView().getMainFrame().toFront();
                    String text = JOptionPane.showInputDialog(getView().getMainFrame(), "Accept the following cookie (Ok=Accept, Cancel=Reject)?", cookie);
                    
                    // text == null means cancel pressed.  If cancel, cookie rejected 
                    if ((text != null && !text.equals(""))){            
                        resHeader.setHeader("Set-cookie", null);          
                        result.add(text);
                    } else if (text==null) {
                        resHeader.setHeader("Set-cookie", null);
                    }
                }
            }
            
            if (result.size() >0){
            	StringBuilder sbContent = new StringBuilder(matcher.replaceAll(""));
                
                Iterator<String> it = result.iterator();
                while (it.hasNext()) {
                	sbContent.append("Set-Cookie: ").append(it.next()).append(CRLF);
                }
                
                try {
                    //	resHeader = new HttpResponseHeader(content);
                    resHeader.setMessage(sbContent.toString());
                } catch (Exception e) {
                    System.out.println(e.getMessage());
                }
            }
        }
    }
}