Move Eclipse 3 components to legacy.

[lgpl/argeo-commons.git] / legacy / org.argeo.cms.ui.workbench.rap / src / org / argeo / cms / ui / workbench / rap / AnonymousEntryPoint.java

diff --git a/legacy/org.argeo.cms.ui.workbench.rap/src/org/argeo/cms/ui/workbench/rap/AnonymousEntryPoint.java b/legacy/org.argeo.cms.ui.workbench.rap/src/org/argeo/cms/ui/workbench/rap/AnonymousEntryPoint.java
new file mode 100644 (file)
index 0000000..f657ec3
--- /dev/null
+++ b/legacy/org.argeo.cms.ui.workbench.rap/src/org/argeo/cms/ui/workbench/rap/AnonymousEntryPoint.java
@@ -0,0 +1,112 @@
+/*
+ * 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.cms.ui.workbench.rap;
+
+import java.security.PrivilegedAction;
+
+import javax.security.auth.Subject;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.cms.CmsException;
+import org.argeo.node.NodeConstants;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.rap.rwt.application.EntryPoint;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * RAP entry point which authenticates the subject as anonymous, for public
+ * unauthenticated access.
+ */
+public class AnonymousEntryPoint implements EntryPoint {
+       private final static Log log = LogFactory.getLog(AnonymousEntryPoint.class);
+
+       /**
+        * How many seconds to wait before invalidating the session if the user has
+        * not yet logged in.
+        */
+       private Integer sessionTimeout = 5 * 60;
+
+       @Override
+       public int createUI() {
+               RWT.getRequest().getSession().setMaxInactiveInterval(sessionTimeout);
+
+               // if (log.isDebugEnabled())
+               // log.debug("Anonymous THREAD=" + Thread.currentThread().getId()
+               // + ", sessionStore=" + RWT.getSessionStore().getId());
+
+               final Display display = PlatformUI.createDisplay();
+               Subject subject = new Subject();
+
+               final LoginContext loginContext;
+               try {
+                       loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_ANONYMOUS,
+                                       subject);
+                       loginContext.login();
+               } catch (LoginException e1) {
+                       throw new CmsException("Cannot initialize login context", e1);
+               }
+
+               // identify after successful login
+               if (log.isDebugEnabled())
+                       log.debug("Authenticated " + subject);
+               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 = new RapWorkbenchAdvisor(
+                                                       null);
+                                       int result = PlatformUI.createAndRunWorkbench(display,
+                                                       workbenchAdvisor);
+                                       return new Integer(result);
+                               }
+                       });
+                       logout(loginContext, username);
+                       if (log.isTraceEnabled())
+                               log.trace("Return code " + returnCode);
+               } finally {
+                       display.dispose();
+               }
+               return 1;
+       }
+
+       private void logout(LoginContext loginContext, String username) {
+               try {
+                       loginContext.logout();
+                       log.info("Logged out " + (username != null ? username : "")
+                                       + " (THREAD=" + Thread.currentThread().getId() + ")");
+               } catch (LoginException e) {
+                       log.error("Erorr when logging out", e);
+               }
+       }
+}