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Java > Open Source Codes > org > apache > jetspeed > modules > actions > JetspeedSessionValidator


1 /*
2  * Copyright 2000-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16  
17 package org.apache.jetspeed.modules.actions;
18
19 import java.util.Locale JavaDoc;
20
21 import org.apache.turbine.util.RunData;
22 import org.apache.turbine.services.resources.TurbineResources;
23 import org.apache.turbine.services.localization.LocalizationService;
24 import org.apache.turbine.TurbineConstants;
25
26 import org.apache.jetspeed.om.security.JetspeedUser;
27 import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
28 import org.apache.jetspeed.services.logging.JetspeedLogger;
29 import org.apache.jetspeed.services.JetspeedSecurity;
30 import org.apache.jetspeed.services.security.LoginException;
31 import org.apache.jetspeed.services.rundata.JetspeedRunData;
32 import org.apache.jetspeed.services.resources.JetspeedResources;
33 import org.apache.jetspeed.util.ServiceUtil;
34 import org.apache.jetspeed.services.customlocalization.CustomLocalizationService;
35
36
37 /**
38 Just like org.apache.turbine.modules.actions.sessionvalidator.TemplateSessionValidator except:
39 <ul>
40 <li> it doesn't check the session_access_counter
41 <li> it doesn't require you to always logon
42 <li> expects a JetspeedRunData object and put there the additionnal jetspeed
43   properties
44 </ul>
45   
46 @see org.apache.turbine.modules.actions.sessionvalidator.TemplateSessionValidator
47 @author <a HREF="mailto:ingo@raleigh.ibm.com">Ingo Schuster</a>
48 @author <a HREF="mailto:raphael@apache.org">Raphaël Luta</a>
49 @author <a HREF="mailto:sgala@apache.org">Santiago Gala</a>
50 @version $Id: JetspeedSessionValidator.java,v 1.27 2004/02/23 02:59:06 jford Exp $
51 */
52 public class JetspeedSessionValidator extends TemplateSessionValidator
53 {
54
55     
56     /**
57      * Static initialization of the logger for this class
58      */
59     private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(JetspeedSessionValidator.class.getName());
60     
61     /**
62      * Execute the action.
63      *
64      * @param data Turbine information.
65      * @exception Exception, a generic exception.
66      */
67     public void doPerform( RunData data ) throws Exception JavaDoc
68     {
69         //first, invoke our superclass action to make sure
70 //we follow Turbine evolutions
71 //FIXME: if the user is not found (this can happen, for instance,
72 // if the anonymous user is not in the DB), it throws a terrible exception
73 // in the user's face
74 try
75         {
76             super.doPerform(data);
77         }
78         catch (Throwable JavaDoc other)
79         {
80             data.setScreenTemplate(JetspeedResources.getString(TurbineConstants.TEMPLATE_ERROR));
81             String JavaDoc message = other.getMessage() != null ? other.getMessage() : other.toString();
82             data.setMessage(message);
83             data.setStackTrace(org.apache.turbine.util.StringUtils.stackTrace(other), other);
84             return;
85         }
86      
87         JetspeedUser user = (JetspeedUser)data.getUser();
88
89         //if the user is not logged in and auto-login is enable - try and do it.
90 if ( ( user==null || !user.hasLoggedIn() ) && JetspeedResources.getBoolean("automatic.logon.enable", false) ) {
91           // need to make sure there are cookies - turbine does not handle this currently
92 if ( data.getRequest().getCookies() != null )
93           {
94             //check for user in cookie
95 String JavaDoc userName = data.getCookies().getString("username","");
96             String JavaDoc loginCookieValue = data.getCookies().getString("logincookie","");
97
98             if ( userName.length() > 0 && loginCookieValue.length() >0 )
99             {
100               try {
101                 user = JetspeedSecurity.getUser(userName);
102                 if (user.getPerm("logincookie","").equals(loginCookieValue)) {
103                   //cookie is present and correct - log the user in
104 data.setUser(user);
105                   user.setHasLoggedIn(new Boolean JavaDoc(true));
106                   user.updateLastLogin();
107                   data.save();
108                 }
109               } catch (LoginException noSuchUser) {
110                 //user not found - ignore it - they will not be logged in automatically
111 } catch (org.apache.jetspeed.services.security.UnknownUserException unknownUser) {
112                 //user not found - ignore it - they will not be logged in automatically
113 logger.warn("Username from the cookie was not found: " + userName);
114               } catch (Exception JavaDoc other){
115                 logger.error(other);
116               }
117             }
118           }
119         }
120
121         // now, define Jetspeed specific properties, using the customized
122 // RunData properties
123 JetspeedRunData jdata = null;
124         
125         try
126         {
127             jdata = (JetspeedRunData)data;
128         }
129         catch (ClassCastException JavaDoc e)
130         {
131             logger.error("The RunData object does not implement the expected interface, "
132                        + "please verify the RunData factory settings", e);
133             return;
134         }
135         String JavaDoc language = (String JavaDoc) data.getRequest().getParameter("js_language");
136
137         if (null != language)
138         {
139             user.setPerm("language", language);
140         }
141         
142         // Get the locale store it in the user object
143 CustomLocalizationService locService = (CustomLocalizationService) ServiceUtil.getServiceByName(
144             LocalizationService.SERVICE_NAME);
145         Locale JavaDoc locale = locService.getLocale(data);
146
147         if (locale == null) {
148             locale = new Locale JavaDoc(
149                      TurbineResources.getString("locale.default.language", "en"),
150                      TurbineResources.getString("locale.default.country", "US"));
151         }
152         
153         data.getUser().setTemp("locale", locale);
154
155         // if a portlet is referenced in the parameters request, store it
156 // in the RunData object
157 String JavaDoc paramPortlet = jdata.getParameters().getString("js_peid");
158         if (paramPortlet != null && paramPortlet.length() > 0) {
159             jdata.setJs_peid(paramPortlet);
160         }
161         
162     }
163
164     /**
165     */
166     public boolean requiresNewSession( RunData data )
167     {
168         return false;
169     }
170     
171 }
172
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