package org.apache.maven.wagon.tck.http.fixture;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

import org.apache.commons.codec.binary.Base64;
import org.apache.log4j.Logger;

/**
 * 
 */
public class AuthSnoopFilter
    implements Filter
{
    private static Logger logger = Logger.getLogger( AuthSnoopFilter.class );

    public void destroy()
    {
    }

    public void doFilter( final ServletRequest req, final ServletResponse response, final FilterChain chain )
        throws IOException, ServletException
    {
        HttpServletRequest request = (HttpServletRequest) req;
        String authHeader = request.getHeader( "Authorization" );

        if ( authHeader != null )
        {
            logger.info( "Authorization: " + authHeader );
            String data = authHeader.substring( "BASIC ".length() );
            String decoded = new String( Base64.decodeBase64( data ) );
            logger.info( decoded );
            String[] creds = decoded.split( ":" );

            logger.info( "User: " + creds[0] + "\nPassword: " + creds[1] );
        }
    }

    public void init( final FilterConfig filterConfig )
        throws ServletException
    {
    }

}
