1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.security.pwd;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.UserPasswordException;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.kernel.util.GetterUtil;
30  import com.liferay.portal.model.PasswordPolicy;
31  import com.liferay.portal.util.PropsKeys;
32  import com.liferay.portal.util.PropsUtil;
33  import com.liferay.util.PwdGenerator;
34  
35  /**
36   * <a href="RegExpToolkit.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class RegExpToolkit extends BasicToolkit {
42  
43      public RegExpToolkit() {
44          _pattern = PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_PATTERN);
45          _charset = PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_CHARSET);
46          _length = GetterUtil.getInteger(
47              PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_LENGTH));
48      }
49  
50      public String generate() {
51          return PwdGenerator.getPassword(_charset, _length);
52      }
53  
54      public void validate(
55              long userId, String password1, String password2,
56              PasswordPolicy passwordPolicy)
57          throws PortalException {
58  
59          boolean value = password1.matches(_pattern);
60  
61          if (!value) {
62              if (_log.isWarnEnabled()) {
63                  _log.warn("User " + userId + " attempted an invalid password");
64              }
65  
66              throw new UserPasswordException(
67                  UserPasswordException.PASSWORD_INVALID);
68          }
69      }
70  
71      private static Log _log = LogFactoryUtil.getLog(RegExpToolkit.class);
72  
73      private String _pattern;
74      private String _charset;
75      private int _length;
76  
77  }