Separate RCP and RAP application/entry point

[lgpl/argeo-commons.git] / security / plugins / org.argeo.security.ui.rap / src / main / java / org / argeo / security / ui / rap / SecureEntryPoint.java

diff --git a/security/plugins/org.argeo.security.ui.rap/src/main/java/org/argeo/security/ui/rap/SecureEntryPoint.java b/security/plugins/org.argeo.security.ui.rap/src/main/java/org/argeo/security/ui/rap/SecureEntryPoint.java
new file mode 100644 (file)
index 0000000..d7dc18c
--- /dev/null
+++ b/security/plugins/org.argeo.security.ui.rap/src/main/java/org/argeo/security/ui/rap/SecureEntryPoint.java
@@ -0,0 +1,102 @@
+package org.argeo.security.ui.rap;
+
+import java.security.PrivilegedAction;
+
+import javax.security.auth.Subject;
+import javax.security.auth.login.LoginException;
+
+import org.argeo.eclipse.ui.dialogs.Error;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.jface.dialogs.ErrorDialog;
+import org.eclipse.rwt.lifecycle.IEntryPoint;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
+import org.eclipse.ui.application.WorkbenchAdvisor;
+import org.eclipse.ui.application.WorkbenchWindowAdvisor;
+
+public class SecureEntryPoint implements IEntryPoint {
+
+       @Override
+       public int createUI() {
+               Integer returnCode = null;
+               Display display = PlatformUI.createDisplay();
+               try {
+                       Subject subject = null;
+                       Boolean retry = true;
+                       while (retry) {
+                               try {
+                                       SecureRapActivator.getLoginContext().login();
+                                       subject = SecureRapActivator.getLoginContext()
+                                                       .getSubject();
+                                       retry = false;
+                               } catch (LoginException e) {
+                                       Error.show("Cannot login", e);
+                                       retry = true;
+                               } catch (Exception e) {
+                                       Error.show("Unexpected exception while trying to login", e);
+                                       retry = false;
+                               }
+                       }
+
+                       if (subject == null) {
+                               // IStatus status = new Status(IStatus.ERROR,
+                               // "org.argeo.security.application", "Login is mandatory",
+                               // loginException);
+                               // ErrorDialog.openError(null, "Error", "Shutdown...", status);
+                               // return status.getSeverity();
+
+                               // TODO: log as anonymous
+                       }
+
+                       if (subject != null) {
+                               returnCode = (Integer) Subject.doAs(subject,
+                                               getRunAction(display));
+                               SecureRapActivator.getLoginContext().logout();
+                               return processReturnCode(returnCode);
+                       } else {
+                               return -1;
+                       }
+               } catch (Exception e) {
+                       // e.printStackTrace();
+                       IStatus status = new Status(IStatus.ERROR,
+                                       "org.argeo.security.rcp", "Login failed", e);
+                       ErrorDialog.openError(null, "Error", "Shutdown...", status);
+                       return returnCode;
+               } finally {
+                       display.dispose();
+               }
+       }
+
+       @SuppressWarnings("rawtypes")
+       private PrivilegedAction getRunAction(final Display display) {
+               return new PrivilegedAction() {
+
+                       public Object run() {
+                               int result = createAndRunWorkbench(display);
+                               return new Integer(result);
+                       }
+               };
+       }
+
+       protected Integer createAndRunWorkbench(Display display) {
+               return PlatformUI.createAndRunWorkbench(display,
+                               createWorkbenchAdvisor());
+       }
+
+       protected Integer processReturnCode(Integer returnCode) {
+               return returnCode;
+       }
+
+       protected WorkbenchAdvisor createWorkbenchAdvisor() {
+               return new SecureWorkbenchAdvisor() {
+                       public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(
+                                       IWorkbenchWindowConfigurer configurer) {
+                               return new RapSecureWorkbenchWindowAdvisor(configurer);
+                       }
+
+               };
+       }
+
+}