security/plugins/org.argeo.security.ui.rap/src/main/java/org/argeo/security/ui/rap/SecureEntryPoint.java

   1 package org.argeo.security.ui.rap;
   2
   3 import java.security.PrivilegedAction;
   4
   5 import javax.security.auth.Subject;
   6 import javax.security.auth.login.LoginException;
   7
   8 import org.argeo.eclipse.ui.dialogs.Error;
   9 import org.eclipse.core.runtime.IStatus;
  10 import org.eclipse.core.runtime.Status;
  11 import org.eclipse.jface.dialogs.ErrorDialog;
  12 import org.eclipse.rwt.lifecycle.IEntryPoint;
  13 import org.eclipse.swt.widgets.Display;
  14 import org.eclipse.ui.PlatformUI;
  15 import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
  16 import org.eclipse.ui.application.WorkbenchAdvisor;
  17 import org.eclipse.ui.application.WorkbenchWindowAdvisor;
  18
  19 public class SecureEntryPoint implements IEntryPoint {
  20
  21         @Override
  22         public int createUI() {
  23                 Integer returnCode = null;
  24                 Display display = PlatformUI.createDisplay();
  25                 try {
  26                         Subject subject = null;
  27                         Boolean retry = true;
  28                         while (retry) {
  29                                 try {
  30                                         SecureRapActivator.getLoginContext().login();
  31                                         subject = SecureRapActivator.getLoginContext()
  32                                                         .getSubject();
  33                                         retry = false;
  34                                 } catch (LoginException e) {
  35                                         Error.show("Cannot login", e);
  36                                         retry = true;
  37                                 } catch (Exception e) {
  38                                         Error.show("Unexpected exception while trying to login", e);
  39                                         retry = false;
  40                                 }
  41                         }
  42
  43                         if (subject == null) {
  44                                 // IStatus status = new Status(IStatus.ERROR,
  45                                 // "org.argeo.security.application", "Login is mandatory",
  46                                 // loginException);
  47                                 // ErrorDialog.openError(null, "Error", "Shutdown...", status);
  48                                 // return status.getSeverity();
  49
  50                                 // TODO: log as anonymous
  51                         }
  52
  53                         if (subject != null) {
  54                                 returnCode = (Integer) Subject.doAs(subject,
  55                                                 getRunAction(display));
  56                                 SecureRapActivator.getLoginContext().logout();
  57                                 return processReturnCode(returnCode);
  58                         } else {
  59                                 return -1;
  60                         }
  61                 } catch (Exception e) {
  62                         // e.printStackTrace();
  63                         IStatus status = new Status(IStatus.ERROR,
  64                                         "org.argeo.security.rcp", "Login failed", e);
  65                         ErrorDialog.openError(null, "Error", "Shutdown...", status);
  66                         return returnCode;
  67                 } finally {
  68                         display.dispose();
  69                 }
  70         }
  71
  72         @SuppressWarnings("rawtypes")
  73         private PrivilegedAction getRunAction(final Display display) {
  74                 return new PrivilegedAction() {
  75
  76                         public Object run() {
  77                                 int result = createAndRunWorkbench(display);
  78                                 return new Integer(result);
  79                         }
  80                 };
  81         }
  82
  83         protected Integer createAndRunWorkbench(Display display) {
  84                 return PlatformUI.createAndRunWorkbench(display,
  85                                 createWorkbenchAdvisor());
  86         }
  87
  88         protected Integer processReturnCode(Integer returnCode) {
  89                 return returnCode;
  90         }
  91
  92         protected WorkbenchAdvisor createWorkbenchAdvisor() {
  93                 return new SecureWorkbenchAdvisor() {
  94                         public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(
  95                                         IWorkbenchWindowConfigurer configurer) {
  96                                 return new RapSecureWorkbenchWindowAdvisor(configurer);
  97                         }
  98
  99                 };
 100         }
 101
 102 }