1   /**
2    * Copyright (c) 2000-2008 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.NoSuchUserException;
26  import com.liferay.portal.kernel.util.HttpUtil;
27  import com.liferay.portal.kernel.util.StringPool;
28  import com.liferay.portal.model.User;
29  import com.liferay.portal.service.UserLocalServiceUtil;
30  import com.liferay.portal.theme.ThemeDisplay;
31  import com.liferay.portal.util.PortalUtil;
32  import com.liferay.portal.util.PrefsPropsUtil;
33  import com.liferay.portal.util.PropsUtil;
34  import com.liferay.portal.util.PropsValues;
35  import com.liferay.portal.util.WebKeys;
36  import com.liferay.util.PwdGenerator;
37  
38  import java.io.BufferedReader;
39  import java.io.InputStream;
40  import java.io.InputStreamReader;
41  
42  import java.net.URL;
43  import java.net.URLConnection;
44  
45  import java.util.Calendar;
46  import java.util.HashMap;
47  import java.util.Locale;
48  import java.util.Map;
49  
50  import javax.servlet.http.HttpServletRequest;
51  import javax.servlet.http.HttpServletResponse;
52  import javax.servlet.http.HttpSession;
53  
54  import org.apache.commons.logging.Log;
55  import org.apache.commons.logging.LogFactory;
56  
57  /**
58   * <a href="OpenSSOAutoLogin.java.html"><b><i>View Source</i></b></a>
59   *
60   * @author Brian Wing Shun Chan
61   *
62   */
63  public class OpenSSOAutoLogin implements AutoLogin {
64  
65      public String[] login(HttpServletRequest req, HttpServletResponse res)
66          throws AutoLoginException {
67  
68          String[] credentials = null;
69  
70          try {
71              long companyId = PortalUtil.getCompanyId(req);
72  
73              if (!PrefsPropsUtil.getBoolean(
74                      companyId, PropsUtil.OPEN_SSO_AUTH_ENABLED,
75                      PropsValues.OPEN_SSO_AUTH_ENABLED)) {
76  
77                  return credentials;
78              }
79  
80              HttpSession ses = req.getSession();
81  
82              String subjectId = (String)ses.getAttribute(WebKeys.OPEN_SSO_LOGIN);
83  
84              if (subjectId == null) {
85                  return credentials;
86              }
87  
88              Map<String, String> nameValues = new HashMap<String, String>();
89  
90              String serviceUrl = PrefsPropsUtil.getString(
91                  companyId, PropsUtil.OPEN_SSO_SERVICE_URL);
92  
93              String url =
94                  serviceUrl + "/attributes?subjectid=" +
95                      HttpUtil.encodeURL(subjectId);
96  
97              URL urlObj = new URL(url);
98  
99              URLConnection con = urlObj.openConnection();
100 
101             BufferedReader reader = new BufferedReader(
102                 new InputStreamReader((InputStream)con.getContent()));
103 
104             String line = null;
105 
106             while ((line = reader.readLine()) != null) {
107                 String[] parts = line.split("=");
108 
109                 if ((parts == null) || (parts.length != 2)) {
110                     continue;
111                 }
112 
113                 String attrName = null;
114                 String attrValue = null;
115 
116                 if (parts[0].endsWith("name")) {
117                     attrName = parts[1];
118 
119                     line = reader.readLine();
120 
121                     if (line == null) {
122 
123                         // Name must be followed by value
124 
125                         throw new AutoLoginException(
126                             "Error reading user attributes");
127                     }
128 
129                     parts = line.split("=");
130 
131                     if ((parts == null) || (parts.length != 2) ||
132                         (!parts[0].endsWith("value"))) {
133 
134                         attrValue = null;
135                     }
136                     else {
137                         attrValue = parts[1];
138                     }
139 
140                     nameValues.put(attrName, attrValue);
141                 }
142             }
143 
144             String firstName = nameValues.get("cn");
145             String lastName = nameValues.get("sn");
146             String screenName = nameValues.get("givenname");
147             String emailAddress = nameValues.get("mail");
148 
149             User user = null;
150 
151             try {
152                 user = UserLocalServiceUtil.getUserByEmailAddress(
153                     companyId, emailAddress);
154             }
155             catch (NoSuchUserException nsue) {
156                 ThemeDisplay themeDisplay =
157                     (ThemeDisplay)req.getAttribute(WebKeys.THEME_DISPLAY);
158 
159                 user = addUser(
160                     companyId, firstName, lastName, emailAddress, screenName,
161                     themeDisplay.getLocale());
162             }
163 
164             credentials = new String[3];
165 
166             credentials[0] = String.valueOf(user.getUserId());
167             credentials[1] = user.getPassword();
168             credentials[2] = Boolean.TRUE.toString();
169         }
170         catch (Exception e) {
171             _log.error(e.getMessage());
172         }
173 
174         return credentials;
175     }
176 
177     protected User addUser(
178             long companyId, String firstName, String lastName,
179             String emailAddress, String screenName, Locale locale)
180         throws Exception {
181 
182         long creatorUserId = 0;
183         boolean autoPassword = false;
184         String password1 = PwdGenerator.getPassword();
185         String password2 = password1;
186         boolean autoScreenName = false;
187         String middleName = StringPool.BLANK;
188         int prefixId = 0;
189         int suffixId = 0;
190         boolean male = true;
191         int birthdayMonth = Calendar.JANUARY;
192         int birthdayDay = 1;
193         int birthdayYear = 1970;
194         String jobTitle = StringPool.BLANK;
195         long[] organizationIds = new long[0];
196         boolean sendEmail = false;
197 
198         return UserLocalServiceUtil.addUser(
199             creatorUserId, companyId, autoPassword, password1, password2,
200             autoScreenName, screenName, emailAddress, locale, firstName,
201             middleName, lastName, prefixId, suffixId, male, birthdayMonth,
202             birthdayDay, birthdayYear, jobTitle, organizationIds, sendEmail);
203     }
204 
205     private static Log _log = LogFactory.getLog(OpenSSOAutoLogin.class);
206 
207 }