CmsLoginLifecycle.java

   1 package org.argeo.cms.e4.rap;
   2
   3 import java.security.AccessController;
   4
   5 import javax.security.auth.Subject;
   6 import javax.security.auth.login.LoginContext;
   7 import javax.security.auth.login.LoginException;
   8
   9 import org.argeo.cms.CmsException;
  10 import org.argeo.cms.auth.CurrentUser;
  11 import org.argeo.cms.ui.CmsImageManager;
  12 import org.argeo.cms.ui.CmsView;
  13 import org.argeo.cms.ui.UxContext;
  14 import org.argeo.cms.util.SimpleUxContext;
  15 import org.argeo.cms.widgets.auth.CmsLoginShell;
  16 import org.argeo.node.NodeConstants;
  17 import org.eclipse.e4.ui.workbench.lifecycle.PostContextCreate;
  18 import org.eclipse.swt.widgets.Display;
  19
  20 @SuppressWarnings("restriction")
  21 public class CmsLoginLifecycle implements CmsView {
  22         private UxContext uxContext;
  23         private LoginContext loginContext;
  24
  25         @PostContextCreate
  26         boolean login(Display d) {
  27                 Subject subject = Subject.getSubject(AccessController.getContext());
  28                 Display display = Display.getCurrent();
  29                 CmsLoginShell loginShell = new CmsLoginShell(this);
  30                 loginShell.setSubject(subject);
  31                 try {
  32                         // try pre-auth
  33                         loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject, loginShell);
  34                         loginContext.login();
  35                 } catch (LoginException e) {
  36                         loginShell.createUi();
  37                         loginShell.open();
  38
  39                         while (!loginShell.getShell().isDisposed()) {
  40                                 if (!display.readAndDispatch())
  41                                         display.sleep();
  42                         }
  43                 }
  44                 if (CurrentUser.getUsername(getSubject()) == null)
  45                         return false;
  46                 uxContext = new SimpleUxContext();
  47                 return true;
  48         }
  49
  50         @Override
  51         public UxContext getUxContext() {
  52                 return uxContext;
  53         }
  54
  55         @Override
  56         public void navigateTo(String state) {
  57                 // TODO Auto-generated method stub
  58
  59         }
  60
  61         @Override
  62         public void authChange(LoginContext loginContext) {
  63                 if (loginContext == null)
  64                         throw new CmsException("Login context cannot be null");
  65                 // logout previous login context
  66 //              if (this.loginContext != null)
  67 //                      try {
  68 //                              this.loginContext.logout();
  69 //                      } catch (LoginException e1) {
  70 //                              System.err.println("Could not log out: " + e1);
  71 //                      }
  72                 this.loginContext = loginContext;
  73         }
  74
  75         @Override
  76         public void logout() {
  77                 if (loginContext == null)
  78                         throw new CmsException("Login context should not bet null");
  79                 try {
  80                         CurrentUser.logoutCmsSession(loginContext.getSubject());
  81                         loginContext.logout();
  82                 } catch (LoginException e) {
  83                         throw new CmsException("Cannot log out", e);
  84                 }
  85         }
  86
  87         @Override
  88         public void exception(Throwable e) {
  89                 // TODO Auto-generated method stub
  90
  91         }
  92
  93         @Override
  94         public CmsImageManager getImageManager() {
  95                 // TODO Auto-generated method stub
  96                 return null;
  97         }
  98
  99         protected Subject getSubject() {
 100                 return loginContext.getSubject();
 101         }
 102
 103         @Override
 104         public boolean isAnonymous() {
 105                 return CurrentUser.isAnonymous(getSubject());
 106         }
 107
 108 }