org.argeo.cms.e4.rap/src/org/argeo/cms/e4/rap/CmsE4EntryPointFactory.java

   1 package org.argeo.cms.e4.rap;
   2
   3 import java.security.PrivilegedAction;
   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.rap.e4.E4ApplicationConfig;
  18 import org.eclipse.rap.e4.E4EntryPointFactory;
  19 import org.eclipse.rap.rwt.application.EntryPoint;
  20 import org.eclipse.swt.widgets.Display;
  21
  22 public class CmsE4EntryPointFactory extends E4EntryPointFactory {
  23
  24         public CmsE4EntryPointFactory(E4ApplicationConfig config) {
  25                 super(config);
  26         }
  27
  28         @Override
  29         public EntryPoint create() {
  30                 // Subject subject = new Subject();
  31                 EntryPoint ep = createEntryPoint();
  32                 EntryPoint authEp = new EntryPoint() {
  33
  34                         @Override
  35                         public int createUI() {
  36                                 Subject subject = new Subject();
  37 //                              boolean success = login(subject);
  38 //                              if (success)
  39                                         return Subject.doAs(subject, new PrivilegedAction<Integer>() {
  40
  41                                                 @Override
  42                                                 public Integer run() {
  43 //                                                      RWT.setLocale(Locale.FRENCH);
  44                                                         System.out.println("createUI");
  45                                                         return ep.createUI();
  46                                                 }
  47
  48                                         });
  49 //                              else
  50 //                                      return 1;
  51                         }
  52                 };
  53                 return authEp;
  54         }
  55
  56         protected EntryPoint createEntryPoint() {
  57                 return super.create();
  58         }
  59
  60         boolean login(Subject subject) {
  61                 // Subject subject = Subject.getSubject(AccessController.getContext());
  62                 Display display = new Display();
  63                 CmsView cmsView = new E4CmsView(subject);
  64                 CmsLoginShell loginShell = new CmsLoginShell(cmsView);
  65                 loginShell.setSubject(subject);
  66                 try {
  67                         // try pre-auth
  68                         LoginContext loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject, loginShell);
  69                         loginContext.login();
  70                 } catch (LoginException e) {
  71                         loginShell.createUi();
  72                         loginShell.open();
  73
  74                         while (!loginShell.getShell().isDisposed()) {
  75                                 if (!display.readAndDispatch())
  76                                         display.sleep();
  77                         }
  78                 } finally {
  79                         display.dispose();
  80                 }
  81                 if (CurrentUser.getUsername(subject) == null)
  82                         return false;
  83                 return true;
  84         }
  85
  86         class E4CmsView implements CmsView {
  87                 private LoginContext loginContext;
  88                 private UxContext uxContext;
  89                 private Subject subject;
  90
  91                 public E4CmsView(Subject subject) {
  92                         this.subject = subject;
  93                         uxContext = new SimpleUxContext();
  94                 }
  95
  96                 @Override
  97                 public UxContext getUxContext() {
  98                         return uxContext;
  99                 }
 100
 101                 @Override
 102                 public void navigateTo(String state) {
 103                         // TODO Auto-generated method stub
 104
 105                 }
 106
 107                 @Override
 108                 public void authChange(LoginContext loginContext) {
 109                         if (loginContext == null)
 110                                 throw new CmsException("Login context cannot be null");
 111                         // logout previous login context
 112                         // if (this.loginContext != null)
 113                         // try {
 114                         // this.loginContext.logout();
 115                         // } catch (LoginException e1) {
 116                         // System.err.println("Could not log out: " + e1);
 117                         // }
 118                         this.loginContext = loginContext;
 119                 }
 120
 121                 @Override
 122                 public void logout() {
 123                         if (loginContext == null)
 124                                 throw new CmsException("Login context should not bet null");
 125                         try {
 126                                 CurrentUser.logoutCmsSession(loginContext.getSubject());
 127                                 loginContext.logout();
 128                         } catch (LoginException e) {
 129                                 throw new CmsException("Cannot log out", e);
 130                         }
 131                 }
 132
 133                 @Override
 134                 public void exception(Throwable e) {
 135                         // TODO Auto-generated method stub
 136
 137                 }
 138
 139                 @Override
 140                 public CmsImageManager getImageManager() {
 141                         // TODO Auto-generated method stub
 142                         return null;
 143                 }
 144
 145                 protected Subject getSubject() {
 146                         return subject;
 147                 }
 148
 149                 @Override
 150                 public boolean isAnonymous() {
 151                         return CurrentUser.isAnonymous(getSubject());
 152                 }
 153         }
 154 }