import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-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.argeo.ArgeoException;
+import org.eclipse.equinox.security.auth.ILoginContext;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.rwt.RWT;
import org.eclipse.rwt.lifecycle.IEntryPoint;
-import org.eclipse.rwt.service.SessionStoreEvent;
-import org.eclipse.rwt.service.SessionStoreListener;
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, SessionStoreListener {
- private Log log = LogFactory.getLog(SecureEntryPoint.class);
+import org.springframework.security.BadCredentialsException;
+
+/**
+ * RAP entry point with login capabilities. On the user has been authenticated,
+ * the workbench is run as a privileged action by the related subject.
+ */
+public class SecureEntryPoint implements IEntryPoint {
+ private final static Log log = LogFactory.getLog(SecureEntryPoint.class);
+
+ /**
+ * How many seconds to wait before invalidating the session if the user has
+ * not yet logged in.
+ */
+ private Integer loginTimeout = 1 * 60;
+ private Integer sessionTimeout = 15 * 60;
@Override
public int createUI() {
- // log.debug("THREAD=" + Thread.currentThread().getId()
- // + ", RWT.getSessionStore().getId()="
- // + RWT.getSessionStore().getId());
+ // Short login timeout so that the modal dialog login doesn't hang
+ // around too long
+ RWT.getRequest().getSession().setMaxInactiveInterval(loginTimeout);
+
+ if (log.isDebugEnabled())
+ log.debug("THREAD=" + Thread.currentThread().getId()
+ + ", sessionStore=" + RWT.getSessionStore().getId());
Integer returnCode = null;
+
+ // create display
Display display = PlatformUI.createDisplay();
- try {
- Subject subject = null;
- Boolean retry = true;
- while (retry) {
- try {
- // force login in order to give Spring Security a chance to
- // load
- 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;
+
+ // log in
+ final ILoginContext loginContext = SecureRapActivator
+ .createLoginContext();
+ Subject subject = null;
+ tryLogin: while (subject == null && !display.isDisposed()) {
+ try {
+ loginContext.login();
+ subject = loginContext.getSubject();
+ } catch (LoginException e) {
+ BadCredentialsException bce = wasCausedByBadCredentials(e);
+ if (bce != null) {
+ MessageDialog.openInformation(display.getActiveShell(),
+ "Bad Credentials", bce.getMessage());
+ // retry login
+ continue tryLogin;
}
- }
- 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();
+ // check thread death
+ ThreadDeath td = wasCausedByThreadDeath(e);
+ if (td != null) {
+ display.dispose();
+ throw td;
+ }
- // TODO: log as anonymous
+ if (!display.isDisposed()) {
+ org.argeo.eclipse.ui.Error.show(
+ "Unexpected exception during authentication", e);
+ // this was not just bad credentials or death thread
+ RWT.getRequest().getSession().setMaxInactiveInterval(1);
+ display.dispose();
+ return -1;
+ } else {
+ throw new ArgeoException(
+ "Unexpected exception during authentication", e);
+ }
}
+ }
- if (subject != null) {
- returnCode = (Integer) Subject.doAs(subject,
- getRunAction(display));
- SecureRapActivator.getLoginContext().logout();
- return processReturnCode(returnCode);
- } else {
- return -1;
+ // identify after successful login
+ if (log.isDebugEnabled())
+ log.debug("Authenticated " + subject);
+ final String username = subject.getPrincipals().iterator().next()
+ .getName();
+
+ // Once the user is logged in, she can have a longer session timeout
+ RWT.getRequest().getSession().setMaxInactiveInterval(sessionTimeout);
+
+ // Logout callback when the display is disposed
+ display.disposeExec(new Runnable() {
+ public void run() {
+ log.debug("Display disposed");
+ logout(loginContext, username);
}
- } 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;
+ });
+
+ //
+ // RUN THE WORKBENCH
+ //
+ try {
+ returnCode = (Integer) Subject.doAs(subject, getRunAction(display));
+ logout(loginContext, username);
} finally {
display.dispose();
}
+ return processReturnCode(returnCode);
+ }
+
+ /** Recursively look for {@link BadCredentialsException} in the root causes. */
+ private BadCredentialsException wasCausedByBadCredentials(Throwable t) {
+ if (t instanceof BadCredentialsException)
+ return (BadCredentialsException) t;
+
+ if (t.getCause() != null)
+ return wasCausedByBadCredentials(t.getCause());
+ else
+ return null;
+ }
+
+ /**
+ * If there is a {@link ThreadDeath} in the root causes, rethrow it
+ * (important for RAP cleaning mechanism)
+ */
+ protected ThreadDeath wasCausedByThreadDeath(Throwable t) {
+ if (t instanceof ThreadDeath)
+ return (ThreadDeath) t;
+
+ if (t.getCause() != null)
+ return wasCausedByThreadDeath(t.getCause());
+ else
+ return null;
+ }
+
+ protected void logout(ILoginContext secureContext, String username) {
+ try {
+ secureContext.logout();
+ log.info("Logged out " + (username != null ? username : "")
+ + " (THREAD=" + Thread.currentThread().getId() + ")");
+ } catch (LoginException e) {
+ log.error("Erorr when logging out", e);
+ }
}
@SuppressWarnings("rawtypes")
private PrivilegedAction getRunAction(final Display display) {
return new PrivilegedAction() {
-
public Object run() {
int result = createAndRunWorkbench(display);
return new Integer(result);
};
}
+ /** To be overridden */
protected Integer createAndRunWorkbench(Display display) {
return PlatformUI.createAndRunWorkbench(display,
createWorkbenchAdvisor());
}
+ /** To be overridden */
protected Integer processReturnCode(Integer returnCode) {
return returnCode;
}
+ /** To be overridden */
protected WorkbenchAdvisor createWorkbenchAdvisor() {
return new SecureWorkbenchAdvisor() {
public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(
};
}
-
- @Override
- public void beforeDestroy(SessionStoreEvent event) {
- if (log.isDebugEnabled())
- log.debug("RWT session " + event.getSessionStore().getId()
- + " about to be destroyed. THREAD="
- + Thread.currentThread().getId());
-
- }
-
}