+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.security.ui.rap;
-
-import java.security.PrivilegedAction;
-
-import javax.security.auth.Subject;
-import javax.security.auth.login.LoginException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpSession;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
-import org.argeo.eclipse.ui.ErrorFeedback;
-import org.argeo.util.LocaleUtils;
-import org.eclipse.equinox.security.auth.ILoginContext;
-import org.eclipse.jface.dialogs.MessageDialog;
-import org.eclipse.rap.rwt.RWT;
-import org.eclipse.rap.rwt.application.IEntryPoint;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.ui.PlatformUI;
-import org.springframework.security.BadCredentialsException;
-import org.springframework.security.context.SecurityContext;
-import org.springframework.security.context.SecurityContextHolder;
-
-/**
- * RAP entry point with login capabilities. Once 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);
-
- /**
- * From org.springframework.security.context.
- * HttpSessionContextIntegrationFilter
- */
- protected static final String SPRING_SECURITY_CONTEXT_KEY = "SPRING_SECURITY_CONTEXT";
-
- /**
- * How many seconds to wait before invalidating the session if the user has
- * not yet logged in.
- */
- private Integer loginTimeout = 1 * 60;
- // TODO make it configurable
- /** Default session timeout is 8 hours (European working day length) */
- private Integer sessionTimeout = 8 * 60 * 60;
-
- /** Override to provide an application specific workbench advisor */
- protected RapWorkbenchAdvisor createRapWorkbenchAdvisor(String username) {
- return new RapWorkbenchAdvisor(username);
- }
-
- @Override
- public final int createUI() {
- // Short login timeout so that the modal dialog login doesn't hang
- // around too long
- RWT.getRequest().getSession().setMaxInactiveInterval(loginTimeout);
-
- // Try to load security context thanks to the session processing filter
- HttpServletRequest httpRequest = RWT.getRequest();
- HttpSession httpSession = httpRequest.getSession();
- Object contextFromSessionObject = httpSession
- .getAttribute(SPRING_SECURITY_CONTEXT_KEY);
- if (contextFromSessionObject != null)
- SecurityContextHolder
- .setContext((SecurityContext) contextFromSessionObject);
-
-// if (log.isDebugEnabled())
-// log.debug("THREAD=" + Thread.currentThread().getId()
-// + ", sessionStore=" + RWT.getSessionStore().getId()
-// + ", remote user=" + httpRequest.getRemoteUser());
-
- // create display
- final Display display = PlatformUI.createDisplay();
-
- // log in
- final ILoginContext loginContext = SecureRapActivator
- .createLoginContext(SecureRapActivator.CONTEXT_SPRING);
- Subject subject = null;
- tryLogin: while (subject == null && !display.isDisposed()) {
- try {
- loginContext.login();
- subject = loginContext.getSubject();
-
- // add security context to session
- if (httpSession.getAttribute(SPRING_SECURITY_CONTEXT_KEY) == null)
- httpSession.setAttribute(SPRING_SECURITY_CONTEXT_KEY,
- SecurityContextHolder.getContext());
- // add thread locale to RWT session
- log.info("Locale "+LocaleUtils.threadLocale.get());
- RWT.setLocale(LocaleUtils.threadLocale.get());
-
- // Once the user is logged in, she can have a longer session
- // timeout
- RWT.getRequest().getSession()
- .setMaxInactiveInterval(sessionTimeout);
- if (log.isDebugEnabled())
- log.debug("Authenticated " + subject);
- } catch (LoginException e) {
- BadCredentialsException bce = wasCausedByBadCredentials(e);
- if (bce != null) {
- MessageDialog.openInformation(display.getActiveShell(),
- "Bad Credentials", bce.getMessage());
- // retry login
- continue tryLogin;
- }
- return processLoginDeath(display, e);
- }
- }
-
- final String username = subject.getPrincipals().iterator().next()
- .getName();
- // Logout callback when the display is disposed
- display.disposeExec(new Runnable() {
- public void run() {
- log.debug("Display disposed");
- logout(loginContext, username);
- }
- });
-
- //
- // RUN THE WORKBENCH
- //
- Integer returnCode = null;
- try {
- returnCode = Subject.doAs(subject, new PrivilegedAction<Integer>() {
- public Integer run() {
- RapWorkbenchAdvisor workbenchAdvisor = createRapWorkbenchAdvisor(username);
- int result = PlatformUI.createAndRunWorkbench(display,
- workbenchAdvisor);
- return new Integer(result);
- }
- });
- // logout(loginContext, username);
- } finally {
- display.dispose();
- }
- return returnCode;
- }
-
- private Integer processLoginDeath(Display display, LoginException e) {
- // check thread death
- ThreadDeath td = wasCausedByThreadDeath(e);
- if (td != null) {
- display.dispose();
- throw td;
- }
- if (!display.isDisposed()) {
- ErrorFeedback.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);
- }
-
- }
-
- /** 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 {
- HttpServletRequest httpRequest = RWT.getRequest();
- HttpSession httpSession = httpRequest.getSession();
- httpSession.setAttribute(SPRING_SECURITY_CONTEXT_KEY, null);
- RWT.getRequest().getSession().setMaxInactiveInterval(1);
- SecurityContextHolder.clearContext();
- secureContext.logout();
- log.info("Logged out " + (username != null ? username : "")
- + " (THREAD=" + Thread.currentThread().getId() + ")");
- } catch (LoginException e) {
- log.error("Erorr when logging out", e);
- }
- }
-}
projects / lgpl / argeo-commons.git / blobdiff