Workspace/Siman/src/org/splat/simer/ConnectionAction.java

   1 package org.splat.simer;
   2
   3 import java.util.Map;
   4 import java.util.Set;
   5
   6 import javax.security.auth.login.LoginContext;
   7 import javax.security.auth.Subject;
   8 import javax.security.auth.callback.*;
   9
  10 import org.splat.dal.bo.kernel.User;
  11 import org.splat.som.ApplicationRights;
  12
  13 import java.io.IOException;
  14 import javax.security.auth.login.FailedLoginException;
  15
  16 public class ConnectionAction extends Action {
  17
  18         private String username = null;
  19         private String password = null;
  20         private String backmenu = null;
  21
  22     private String _menuProperty;
  23
  24         /**
  25          * Serial version ID.
  26          */
  27         private static final long serialVersionUID = 6095471616361606231L;
  28
  29         private class Handler implements CallbackHandler {
  30                 // ------------------------------------------------
  31                 public void handle(Callback[] callbacks) throws IOException,
  32                                 UnsupportedCallbackException {
  33                         for (int i = 0; i < callbacks.length; i++) {
  34                                 if (callbacks[i] instanceof TextOutputCallback) {
  35                                         // Display a message according to a specified type
  36
  37                                 } else if (callbacks[i] instanceof NameCallback) {
  38                                         // Get the username
  39                                         NameCallback call = (NameCallback) callbacks[i];
  40                                         call.setName(username);
  41
  42                                 } else if (callbacks[i] instanceof PasswordCallback) {
  43                                         // Get the password
  44                                         if (password != null) {
  45                                                 PasswordCallback call = (PasswordCallback) callbacks[i];
  46                                                 call.setPassword(password.toCharArray());
  47                                         }
  48                                 } else {
  49                                         throw new UnsupportedCallbackException(callbacks[i],
  50                                                         "Unrecognized Callback");
  51                                 }
  52                         }
  53                 }
  54         }
  55
  56         // ==============================================================================================================================
  57         // Action execution
  58         // ==============================================================================================================================
  59
  60         @SuppressWarnings("unchecked")
  61         public String doLogin() throws Exception {
  62                 // ------------------------
  63                 if (username == null || username.length() == 0)
  64                         return INPUT;
  65                 if (password != null && password.length() == 0)
  66                         password = null; // User having no password
  67                 try {
  68                         LoginContext context = new LoginContext("Simer", new Handler());
  69                         context.login();
  70
  71                         Subject identity = context.getSubject();
  72                         Set<User> table = identity.getPrincipals(User.class);
  73                         if (table.isEmpty())
  74                                 throw new Exception();
  75
  76                         User user = table.iterator().next(); // The user is (apparently...) the 1st principal
  77                         ApplicationRights logged = new ApplicationRights(user);
  78                         if (logged.canContributeToStudy() || logged.canValidate()) {
  79                                 // TODO: Set the search filter according to user preferences
  80                                 Map<String, Object> session = getSession();
  81                                 // Map<String,Object> kfilter = (Map<String, Object>)session.get("knowledge.filter");
  82                                 Map<String, Object> sfilter = (Map<String, Object>) session
  83                                                 .get("study.filter");
  84
  85                                 sfilter.put("state", "ANY");
  86                                 sfilter.put("visibility", "PRIVATE");
  87                                 if (logged.canCreateStudy())
  88                                         sfilter.put("author", String.valueOf(user.getIndex()));
  89                         }
  90                         this.connect(context, user); // Updates the session context
  91
  92                         setMenuProperty("none");
  93                         initializationScreenContext(_menuProperty);
  94
  95                         return backmenu;
  96                 } catch (FailedLoginException error) {
  97                         setErrorCode("message.error.login." + error.getMessage());
  98                         return INPUT;
  99                 } catch (Exception error) {
 100                         logger.error("Reason:", error);
 101                         return ERROR;
 102                 }
 103         }
 104
 105
 106         @SuppressWarnings("unchecked")
 107         public String doLogout() {
 108                 // -------------------------
 109                 try {
 110                         Map<String, Object> session = getSession();
 111                         // Map<String,Object> kfilter = (Map<String, Object>)session.get("knowledge.filter");
 112                         Map<String, Object> sfilter = (Map<String, Object>) session
 113                                         .get("study.filter");
 114                         LoginContext context = (LoginContext) session.get("login.context");
 115
 116                         String connectedUsr = "";
 117                         if (getConnectedUser() != null) {
 118                                 connectedUsr = getConnectedUser().toString();
 119                         }
 120
 121                         logger.info("Deconnection of " + connectedUsr
 122                                         + ".");
 123
 124                         if (context != null) {
 125                                 context.logout();
 126                         }
 127
 128                         // TODO: ProjectSettings.deleteDownloadDirectory(user);
 129                         if (sfilter != null) {
 130                                 sfilter.put("state", "ANY");
 131                                 sfilter.put("author", "0");
 132                         }
 133
 134                         this.disconnect(); // Updates the session context
 135
 136                         setMenuProperty("none");
 137                         initializationScreenContext(_menuProperty);
 138
 139                         return backmenu;
 140                 } catch (Exception error) {
 141                         logger.error("Reason:", error);
 142                         return ERROR;
 143                 }
 144         }
 145
 146 //  ==============================================================================================================================
 147 //  Getters and setters
 148 //  ==============================================================================================================================
 149
 150     public String getUsername () {
 151 //  ----------------------------
 152       return username;
 153     }
 154     public String getPassword () {
 155 //  ----------------------------
 156       return password;
 157     }
 158
 159     public void setUsername (String value) {
 160 //  --------------------------------------
 161       this.username = value;
 162     }
 163     public void setPassword (String value) {
 164 //  --------------------------------------
 165       this.password = value;
 166     }
 167     public void setBackMenu (String menu) {
 168 //  -------------------------------------
 169       this.backmenu = menu;
 170     }
 171
 172     /**
 173          * Get the menuProperty.
 174          * @return the menuProperty
 175          */
 176         public String getMenuProperty() {
 177                 return _menuProperty;
 178         }
 179
 180         /**
 181          * Set the menuProperty.
 182          * @param menuProperty the menuProperty to set
 183          */
 184         public void setMenuProperty(String menuProperty) {
 185                 this._menuProperty = menuProperty;
 186         }
 187 }