millegalencodingdetector.java

httptunnel.jar httptunnel java 源码

package net.jumperz.app.MGuardian.plugin;

import java.io.*;
import java.util.*;
import java.net.*;
import net.jumperz.net.*;
import net.jumperz.util.*;
import net.jumperz.app.MGuardian.*;


public class MIllegalEncodingDetector
extends MGuardianPlugin
{
//--------------------------------------------------------------------------------
public Map execute( Map sessionInfo )
throws IOException
{
/* blocks URI like:
 * %u0041%41
 * %0X
 * %u000X
 */

MHttpRequest request = ( MHttpRequest )sessionInfo.get( "request" );
Map pluginResult = new HashMap();

try
	{
	String uri = request.getUri();
	if( MUnicodeUrlDecoder.isUrlDecoded( uri ) )
		{
		MUnicodeUrlDecoder.decode( uri );
		}
	else
		{
		URLDecoder.decode( uri, MCharset.CS_ISO_8859_1 );
		}
	}
catch( UnsupportedEncodingException e )
	{
	// ignore :p
	}
catch( IllegalArgumentException e )
	{
	//e.printStackTrace();
	pluginResult.put( "message", e.getMessage() );
	pluginResult.put( "block", new Boolean( true ) );
	}
return pluginResult;
}
//--------------------------------------------------------------------------------
}