1   /**
2    * Copyright (c) 2000-2007 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.SystemException;
27  import com.liferay.portal.UserPasswordException;
28  import com.liferay.portal.kernel.util.GetterUtil;
29  import com.liferay.portal.model.PasswordPolicy;
30  import com.liferay.portal.util.PropsUtil;
31  import com.liferay.util.PwdGenerator;
32  
33  import org.apache.commons.logging.Log;
34  import org.apache.commons.logging.LogFactory;
35  
36  /**
37   * <a href="RegExpToolkit.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class RegExpToolkit extends BasicToolkit {
43  
44      public RegExpToolkit() {
45          _pattern = PropsUtil.get(PropsUtil.PASSWORDS_REGEXPTOOLKIT_PATTERN);
46          _charset = PropsUtil.get(PropsUtil.PASSWORDS_REGEXPTOOLKIT_CHARSET);
47          _length = GetterUtil.getInteger(
48              PropsUtil.get(PropsUtil.PASSWORDS_REGEXPTOOLKIT_LENGTH));
49      }
50  
51      public String generate() {
52          return PwdGenerator.getPassword(_charset,_length);
53      }
54  
55      public void validate(
56              long userId, String password1, String password2,
57              PasswordPolicy passwordPolicy)
58          throws PortalException, SystemException {
59  
60          boolean value = password1.matches(_pattern);
61  
62          if (!value) {
63              if (_log.isWarnEnabled()) {
64                  _log.warn("Password " + password1 + " is not valid");
65              }
66  
67              throw new UserPasswordException(
68                  UserPasswordException.PASSWORD_INVALID);
69          }
70      }
71  
72      private static Log _log = LogFactory.getLog(RegExpToolkit.class);
73  
74      private String _pattern;
75      private String _charset;
76      private int _length;
77  
78  }