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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;
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44
45 public class HttpBasicAuthLogicHandler extends AbstractAuthLogicHandler {
46 private final static Logger logger = LoggerFactory
47 .getLogger(HttpBasicAuthLogicHandler.class);
48
49
50
51
52 public HttpBasicAuthLogicHandler(final ProxyIoSession proxyIoSession)
53 throws ProxyAuthException {
54 super(proxyIoSession);
55
56 if (request == null || !(request instanceof HttpProxyRequest)) {
57 throw new IllegalArgumentException(
58 "request parameter should be a non null HttpProxyRequest instance");
59 }
60
61 ((HttpProxyRequest) request).checkRequiredProperties(
62 HttpProxyConstants.USER_PROPERTY,
63 HttpProxyConstants.PWD_PROPERTY);
64 }
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67
68
69 @Override
70 public void doHandshake(final NextFilter nextFilter)
71 throws ProxyAuthException {
72 logger.debug(" doHandshake()");
73
74 if (step > 0) {
75 throw new ProxyAuthException("Authentication request already sent");
76 }
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79 HttpProxyRequest req = (HttpProxyRequest) request;
80 Map<String, List<String>> headers = req.getHeaders() != null ? req
81 .getHeaders() : new HashMap<String, List<String>>();
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83 String username = req.getProperties().get(
84 HttpProxyConstants.USER_PROPERTY);
85 String password = req.getProperties().get(
86 HttpProxyConstants.PWD_PROPERTY);
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88 StringUtilities.addValueToHeader(headers, "Proxy-Authorization",
89 "Basic " + createAuthorization(username, password), true);
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91 StringUtilities.addValueToHeader(headers, "Keep-Alive",
92 HttpProxyConstants.DEFAULT_KEEP_ALIVE_TIME, true);
93 StringUtilities.addValueToHeader(headers, "Proxy-Connection",
94 "keep-Alive", true);
95 req.setHeaders(headers);
96
97 writeRequest(nextFilter, req);
98 step++;
99 }
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108 public static String createAuthorization(final String username,
109 final String password) {
110 return new String(Base64.encodeBase64((username + ":" + password)
111 .getBytes()));
112 }
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117 @Override
118 public void handleResponse(final HttpProxyResponse response)
119 throws ProxyAuthException {
120 if (response.getStatusCode() != 407) {
121 throw new ProxyAuthException("Received error response code ("
122 + response.getStatusLine() + ").");
123 }
124 }
125 }