1//
2//  ========================================================================
3//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4//  ------------------------------------------------------------------------
5//  All rights reserved. This program and the accompanying materials
6//  are made available under the terms of the Eclipse Public License v1.0
7//  and Apache License v2.0 which accompanies this distribution.
8//
9//      The Eclipse Public License is available at
10//      http://www.eclipse.org/legal/epl-v10.html
11//
12//      The Apache License v2.0 is available at
13//      http://www.opensource.org/licenses/apache2.0.php
14//
15//  You may elect to redistribute this code under either of these licenses.
16//  ========================================================================
17//
18
19package org.eclipse.jetty.client.security;
20
21
22import java.io.IOException;
23
24import org.eclipse.jetty.client.HttpExchange;
25import org.eclipse.jetty.http.HttpHeaders;
26import org.eclipse.jetty.io.Buffer;
27import org.eclipse.jetty.io.ByteArrayBuffer;
28import org.eclipse.jetty.util.B64Code;
29import org.eclipse.jetty.util.StringUtil;
30
31/**
32 * Sets authentication headers for BASIC authentication challenges
33 *
34 *
35 */
36public class BasicAuthentication implements Authentication
37{
38    private Buffer _authorization;
39
40    public BasicAuthentication(Realm realm) throws IOException
41    {
42        String authenticationString = "Basic " + B64Code.encode( realm.getPrincipal() + ":" + realm.getCredentials(), StringUtil.__ISO_8859_1);
43        _authorization= new ByteArrayBuffer(authenticationString);
44    }
45
46    /**
47     * BASIC authentication is of the form
48     *
49     * encoded credentials are of the form: username:password
50     *
51     *
52     */
53    public void setCredentials( HttpExchange exchange ) throws IOException
54    {
55        exchange.setRequestHeader( HttpHeaders.AUTHORIZATION_BUFFER, _authorization);
56    }
57}
58