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Java > Open Source Codes > org > apache > juddi > auth > CryptedXMLDocAuthenticator


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.juddi.auth;
17
18 import java.security.InvalidAlgorithmParameterException JavaDoc;
19 import java.security.InvalidKeyException JavaDoc;
20 import java.security.NoSuchAlgorithmException JavaDoc;
21
22 import javax.crypto.BadPaddingException;
23 import javax.crypto.IllegalBlockSizeException;
24 import javax.crypto.NoSuchPaddingException;
25
26 import org.apache.commons.logging.Log;
27 import org.apache.commons.logging.LogFactory;
28 import org.apache.juddi.cryptor.Cryptor;
29 import org.apache.juddi.cryptor.CryptorFactory;
30 import org.apache.juddi.error.RegistryException;
31 import org.apache.juddi.error.UnknownUserException;
32
33 /**
34  * @author Anou Manavalan
35  */
36 public class CryptedXMLDocAuthenticator extends XMLDocAuthenticator
37 {
38   // private reference to the jUDDI logger
39 private static Log log = LogFactory.getLog(CryptedXMLDocAuthenticator.class);
40
41   /**
42    *
43    */
44   public CryptedXMLDocAuthenticator()
45   {
46     super();
47   }
48
49   /**
50    *
51    */
52   public String JavaDoc authenticate(String JavaDoc userID,String JavaDoc credential)
53     throws RegistryException
54   {
55     preProcess(userID,credential);
56     String JavaDoc encryptedCredential = encrypt(credential);
57     return postProcess(userID, encryptedCredential);
58   }
59
60   /**
61    *
62    */
63   private String JavaDoc encrypt(String JavaDoc str)
64     throws RegistryException
65   {
66     try
67     {
68       Cryptor cryptor = (Cryptor)CryptorFactory.getCryptor();
69   
70       return cryptor.encrypt(str);
71     }
72     catch (InvalidKeyException JavaDoc e)
73     {
74       log.error("Invalid Key Exception in crypting the password",e);
75       throw new RegistryException(e.getMessage());
76     }
77     catch (NoSuchPaddingException e)
78     {
79       log.error("Padding Exception in crypting the password",e);
80       throw new RegistryException(e.getMessage());
81     }
82     catch (NoSuchAlgorithmException JavaDoc e)
83     {
84       log.error("Algorithm Exception in crypting the password",e);
85       throw new RegistryException(e.getMessage());
86     }
87     catch (InvalidAlgorithmParameterException JavaDoc e)
88     {
89       log.error("Algorithm parameter Exception in crypting the password",e);
90       throw new RegistryException(e.getMessage());
91     }
92     catch (IllegalBlockSizeException e)
93     {
94       log.error("Block size Exception in crypting the password",e);
95       throw new RegistryException(e.getMessage());
96     }
97     catch (BadPaddingException e)
98     {
99       log.error("Bad Padding Exception in crypting the password",e);
100       throw new RegistryException(e.getMessage());
101     }
102   }
103
104   /**
105    * @param userID
106    * @param credential
107    * @throws RegistryException
108    */
109   private void preProcess(String JavaDoc userID, String JavaDoc credential)
110     throws RegistryException
111   {
112     // a userID must be specified.
113 if (userID == null)
114       //throw new UnknownUserException("Invalid user ID: "+userID);
115 throw new UnknownUserException("Invalid user ID = "+userID);
116
117     // credential (password) must be specified.
118 if (credential == null)
119       //throw new UnknownUserException("Invalid credentials");
120 throw new UnknownUserException("Invalid credentials");
121   }
122
123   /**
124    * @param userID
125    * @param encryptedCredential
126    * @return
127    * @throws RegistryException
128    */
129   private String JavaDoc postProcess(String JavaDoc userID, String JavaDoc encryptedCredential)
130     throws RegistryException
131   {
132     if (userTable.containsKey(userID))
133     {
134       UserInfo userInfo = (UserInfo)userTable.get(userID);
135       if ((userInfo.password == null) || (!encryptedCredential.equals(userInfo.password)))
136       throw new UnknownUserException("Invalid credentials");
137     }
138     else
139       throw new UnknownUserException("Invalid user ID: "+userID);
140
141     return userID;
142   }
143
144
145   /***************************************************************************/
146   /***************************** TEST DRIVER *********************************/
147   /***************************************************************************/
148
149
150   public static void main(String JavaDoc[] args)
151     throws Exception JavaDoc
152   {
153     Authenticator auth = new CryptedXMLDocAuthenticator();
154
155     try {
156       System.out.print("anou_mana/password: ");
157       auth.authenticate("anou_mana","password");
158       System.out.println("successfully authenticated");
159     }
160     catch(Exception JavaDoc ex) {
161       System.out.println(ex.getMessage());
162     }
163
164     try {
165       System.out.print("anou_mana/badpass: ");
166       auth.authenticate("anou_mana","badpass");
167       System.out.println("successfully authenticated");
168     }
169     catch(Exception JavaDoc ex) {
170       System.out.println(ex.getMessage());
171     }
172
173     try {
174       System.out.print("bozo/clown: ");
175       auth.authenticate("bozo","clown");
176       System.out.println("successfully authenticated");
177     }
178     catch(Exception JavaDoc ex) {
179       System.out.println(ex.getMessage());
180     }
181
182     try {
183       System.out.print("sviens/password: ");
184       auth.authenticate("sviens","password");
185       System.out.println("successfully authenticated");
186     }
187     catch(Exception JavaDoc ex) {
188       System.out.println(ex.getMessage());
189     }
190   }
191 }
192
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