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.auth;
24  
25  import com.liferay.portal.kernel.util.KeyValuePair;
26  import com.liferay.portal.kernel.util.StringPool;
27  import com.liferay.portal.kernel.util.Validator;
28  import com.liferay.portal.model.Company;
29  import com.liferay.portal.service.UserLocalServiceUtil;
30  import com.liferay.portal.util.CookieKeys;
31  import com.liferay.portal.util.PortalUtil;
32  import com.liferay.util.CookieUtil;
33  
34  import javax.servlet.http.Cookie;
35  import javax.servlet.http.HttpServletRequest;
36  import javax.servlet.http.HttpServletResponse;
37  
38  import org.apache.commons.logging.Log;
39  import org.apache.commons.logging.LogFactory;
40  
41  /**
42   * <a href="RememberMeAutoLogin.java.html"><b><i>View Source</i></b></a>
43   *
44   * @author Brian Wing Shun Chan
45   *
46   */
47  public class RememberMeAutoLogin implements AutoLogin {
48  
49      public String[] login(HttpServletRequest req, HttpServletResponse res)
50          throws AutoLoginException {
51  
52          try {
53              String[] credentials = null;
54  
55              String autoUserId = CookieUtil.get(req.getCookies(), CookieKeys.ID);
56              String autoPassword =
57                  CookieUtil.get(req.getCookies(), CookieKeys.PASSWORD);
58  
59              if (Validator.isNotNull(autoUserId) &&
60                  Validator.isNotNull(autoPassword)) {
61  
62                  Company company = PortalUtil.getCompany(req);
63  
64                  KeyValuePair kvp = null;
65  
66                  if (company.isAutoLogin()) {
67                      kvp = UserLocalServiceUtil.decryptUserId(
68                          company.getCompanyId(), autoUserId, autoPassword);
69  
70                      credentials = new String[3];
71  
72                      credentials[0] = kvp.getKey();
73                      credentials[1] = kvp.getValue();
74                      credentials[2] = Boolean.FALSE.toString();
75                  }
76              }
77  
78              return credentials;
79          }
80          catch (Exception e) {
81              _log.warn(e, e);
82  
83              Cookie cookie = new Cookie(CookieKeys.ID, StringPool.BLANK);
84  
85              cookie.setMaxAge(0);
86              cookie.setPath(StringPool.SLASH);
87  
88              CookieKeys.addCookie(res, cookie);
89  
90              cookie = new Cookie(CookieKeys.PASSWORD, StringPool.BLANK);
91  
92              cookie.setMaxAge(0);
93              cookie.setPath(StringPool.SLASH);
94  
95              CookieKeys.addCookie(res, cookie);
96  
97              throw new AutoLoginException(e);
98          }
99      }
100 
101     private static Log _log = LogFactory.getLog(RememberMeAutoLogin.class);
102 
103 }