1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 package org.apache.mina.proxy.handlers.http.basic;
21
22 import java.util.HashMap;
23 import java.util.List;
24 import java.util.Map;
25
26 import org.apache.mina.core.filterchain.IoFilter.NextFilter;
27 import org.apache.mina.proxy.ProxyAuthException;
28 import org.apache.mina.proxy.handlers.http.AbstractAuthLogicHandler;
29 import org.apache.mina.proxy.handlers.http.HttpProxyConstants;
30 import org.apache.mina.proxy.handlers.http.HttpProxyRequest;
31 import org.apache.mina.proxy.handlers.http.HttpProxyResponse;
32 import org.apache.mina.proxy.session.ProxyIoSession;
33 import org.apache.mina.proxy.utils.StringUtilities;
34 import org.apache.mina.util.Base64;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
37
38
39
40
41
42
43
44 public class HttpBasicAuthLogicHandler extends AbstractAuthLogicHandler {
45 private final static Logger logger = LoggerFactory
46 .getLogger(HttpBasicAuthLogicHandler.class);
47
48
49
50
51 public HttpBasicAuthLogicHandler(final ProxyIoSession proxyIoSession)
52 throws ProxyAuthException {
53 super(proxyIoSession);
54
55 ((HttpProxyRequest) request).checkRequiredProperties(
56 HttpProxyConstants.USER_PROPERTY,
57 HttpProxyConstants.PWD_PROPERTY);
58 }
59
60
61
62
63 @Override
64 public void doHandshake(final NextFilter nextFilter)
65 throws ProxyAuthException {
66 logger.debug(" doHandshake()");
67
68 if (step > 0) {
69 throw new ProxyAuthException("Authentication request already sent");
70 }
71
72
73 HttpProxyRequest req = (HttpProxyRequest) request;
74 Map<String, List<String>> headers = req.getHeaders() != null ? req
75 .getHeaders() : new HashMap<String, List<String>>();
76
77 String username = req.getProperties().get(
78 HttpProxyConstants.USER_PROPERTY);
79 String password = req.getProperties().get(
80 HttpProxyConstants.PWD_PROPERTY);
81
82 StringUtilities.addValueToHeader(headers, "Proxy-Authorization",
83 "Basic " + createAuthorization(username, password), true);
84
85 addKeepAliveHeaders(headers);
86 req.setHeaders(headers);
87
88 writeRequest(nextFilter, req);
89 step++;
90 }
91
92
93
94
95
96
97
98
99 public static String createAuthorization(final String username,
100 final String password) {
101 return new String(Base64.encodeBase64((username + ":" + password)
102 .getBytes()));
103 }
104
105
106
107
108 @Override
109 public void handleResponse(final HttpProxyResponse response)
110 throws ProxyAuthException {
111 if (response.getStatusCode() != 407) {
112 throw new ProxyAuthException("Received error response code ("
113 + response.getStatusLine() + ").");
114 }
115 }
116 }