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Java > Open Source Codes > org > apache > commons > httpclient > BasicAuthServlet


1 /*
2  * $Header: /home/cvs/jakarta-commons/httpclient/src/test-webapp/src/org/apache/commons/httpclient/BasicAuthServlet.java,v 1.4.2.1 2004/02/22 18:21:18 olegk Exp $
3  * $Revision: 1.4.2.1 $
4  * $Date: 2004/02/22 18:21:18 $
5  * ====================================================================
6  *
7  * Copyright 1999-2004 The Apache Software Foundation
8  *
9  * Licensed under the Apache License, Version 2.0 (the "License");
10  * you may not use this file except in compliance with the License.
11  * You may obtain a copy of the License at
12  *
13  * http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  * ====================================================================
21  *
22  * This software consists of voluntary contributions made by many
23  * individuals on behalf of the Apache Software Foundation. For more
24  * information on the Apache Software Foundation, please see
25  * <http://www.apache.org/>.
26  *
27  * [Additional notices, if required by prior licensing conditions]
28  *
29  */
30
31 package org.apache.commons.httpclient;
32
33 import java.io.*;
34 import javax.servlet.*;
35 import javax.servlet.http.*;
36 import java.util.*;
37
38 public class BasicAuthServlet extends MultiMethodServlet {
39     // rather then make this servlet depend upon a base64 impl,
40 // we'll just hard code some base64 encodings
41 private static final HashMap creds = new HashMap();
42     static {
43         creds.put("dW5hbWU6cGFzc3dk","uname:passwd");
44         creds.put("amFrYXJ0YTpjb21tb25z","jakarta:commons");
45         creds.put("amFrYXJ0YS5hcGFjaGUub3JnL2NvbW1vbnM6aHR0cGNsaWVudA==","jakarta.apache.org/commons:httpclient");
46     }
47
48     protected void genericService(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
49         String JavaDoc auth = request.getHeader("authorization");
50         if(null == auth) {
51             sendUnauthenticated(request, response);
52         } else {
53             String JavaDoc role = (String JavaDoc)(creds.get(auth.substring("basic ".length(),auth.length())));
54             if(null == role) {
55                 sendUnauthorized(request, response, auth);
56             } else {
57                 sendAuthorized(request, response, role);
58             }
59         }
60     }
61
62     protected void doHead(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
63         String JavaDoc auth = request.getHeader("authorization");
64         if(null == auth) {
65             sendUnauthenticated(request, response);
66         } else {
67             String JavaDoc role = (String JavaDoc)(creds.get(auth.substring("basic ".length(),auth.length())));
68             if(null == role) {
69                 sendUnauthorized(request, response, auth);
70             }
71         }
72     }
73
74     private void sendUnauthenticated(HttpServletRequest request, HttpServletResponse response) throws IOException {
75         response.setStatus(response.SC_UNAUTHORIZED);
76         response.addHeader("www-authenticate","Basic realm=\"BasicAuthServlet\"");
77         PrintWriter out = response.getWriter();
78         response.setContentType("text/html");
79         out.println("<html>");
80         out.println("<head><title>BasicAuth Servlet: " + request.getMethod() + "</title></head>");
81         out.println("<body>");
82         out.println("<p>This is a response to an HTTP " + request.getMethod() + " request.</p>");
83         out.println("<p>Not authorized.</p>");
84         out.println("</body>");
85         out.println("</html>");
86     }
87
88     private void sendUnauthorized(HttpServletRequest request, HttpServletResponse response, String JavaDoc auth) throws IOException {
89         response.setStatus(response.SC_UNAUTHORIZED);
90         response.addHeader("www-authenticate","Basic realm=\"BasicAuthServlet\"");
91         PrintWriter out = response.getWriter();
92         response.setContentType("text/html");
93         out.println("<html>");
94         out.println("<head><title>BasicAuth Servlet: " + request.getMethod() + "</title></head>");
95         out.println("<body>");
96         out.println("<p>This is a response to an HTTP " + request.getMethod() + " request.</p>");
97         out.println("<p>Not authorized. \"" + auth + "\" not recognized.</p>");
98         out.println("</body>");
99         out.println("</html>");
100     }
101
102     private void sendAuthorized(HttpServletRequest request, HttpServletResponse response, String JavaDoc role) throws IOException {
103         response.setContentType("text/html");
104         PrintWriter out = response.getWriter();
105         out.println("<html>");
106         out.println("<head><title>BasicAuth Servlet: " + request.getMethod() + "</title></head>");
107         out.println("<body>");
108         out.println("<p>This is a response to an HTTP " + request.getMethod() + " request.</p>");
109         out.println("<p>You have authenticated as \"" + role + "\"</p>");
110         out.println("</body>");
111         out.println("</html>");
112     }
113 }
114
115
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