1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.security.pwd;
21  
22  import com.liferay.portal.PortalException;
23  import com.liferay.portal.UserPasswordException;
24  import com.liferay.portal.kernel.log.Log;
25  import com.liferay.portal.kernel.log.LogFactoryUtil;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.model.PasswordPolicy;
28  import com.liferay.portal.util.PropsKeys;
29  import com.liferay.portal.util.PropsUtil;
30  import com.liferay.util.PwdGenerator;
31  
32  /**
33   * <a href="RegExpToolkit.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class RegExpToolkit extends BasicToolkit {
39  
40      public RegExpToolkit() {
41          _pattern = PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_PATTERN);
42          _charset = PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_CHARSET);
43          _length = GetterUtil.getInteger(
44              PropsUtil.get(PropsKeys.PASSWORDS_REGEXPTOOLKIT_LENGTH));
45      }
46  
47      public String generate() {
48          return PwdGenerator.getPassword(_charset, _length);
49      }
50  
51      public void validate(
52              long userId, String password1, String password2,
53              PasswordPolicy passwordPolicy)
54          throws PortalException {
55  
56          boolean value = password1.matches(_pattern);
57  
58          if (!value) {
59              if (_log.isWarnEnabled()) {
60                  _log.warn("User " + userId + " attempted an invalid password");
61              }
62  
63              throw new UserPasswordException(
64                  UserPasswordException.PASSWORD_INVALID);
65          }
66      }
67  
68      private static Log _log = LogFactoryUtil.getLog(RegExpToolkit.class);
69  
70      private String _pattern;
71      private String _charset;
72      private int _length;
73  
74  }