001package org.apache.maven.wagon.tck.http.fixture; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.apache.commons.codec.binary.Base64; 023 024import java.io.IOException; 025 026import javax.servlet.Filter; 027import javax.servlet.FilterChain; 028import javax.servlet.FilterConfig; 029import javax.servlet.ServletException; 030import javax.servlet.ServletRequest; 031import javax.servlet.ServletResponse; 032import javax.servlet.http.HttpServletRequest; 033import javax.servlet.http.HttpServletResponse; 034 035/** 036 * 037 */ 038public class ProxyAuthenticationFilter 039 implements Filter 040{ 041 042 private final String username; 043 044 private final String password; 045 046 public ProxyAuthenticationFilter( final String username, final String password ) 047 { 048 this.username = username; 049 this.password = password; 050 } 051 052 public void destroy() 053 { 054 } 055 056 public void doFilter( final ServletRequest req, final ServletResponse resp, final FilterChain chain ) 057 throws IOException, ServletException 058 { 059 HttpServletRequest request = (HttpServletRequest) req; 060 HttpServletResponse response = (HttpServletResponse) resp; 061 062 String header = request.getHeader( "Proxy-Authorization" ); 063 if ( header == null ) 064 { 065 response.setStatus( HttpServletResponse.SC_PROXY_AUTHENTICATION_REQUIRED ); 066 response.addHeader( "Proxy-Authenticate", "Basic realm=\"Squid proxy-caching web server\"" ); 067 return; 068 } 069 else 070 { 071 String data = header.substring( "BASIC ".length() ); 072 data = new String( Base64.decodeBase64( data ) ); 073 String[] creds = data.split( ":" ); 074 075 if ( !creds[0].equals( username ) || !creds[1].equals( password ) ) 076 { 077 response.sendError( HttpServletResponse.SC_UNAUTHORIZED ); 078 } 079 } 080 081 chain.doFilter( req, resp ); 082 } 083 084 public void init( final FilterConfig filterConfig ) 085 throws ServletException 086 { 087 } 088 089}