Introduce CMS E4

[lgpl/argeo-commons.git] / org.argeo.cms.e4 / src / org / argeo / cms / e4 / rap / CmsLoginLifecycle.java

diff --git a/org.argeo.cms.e4/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java b/org.argeo.cms.e4/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java
new file mode 100644 (file)
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--- /dev/null
+++ b/org.argeo.cms.e4/src/org/argeo/cms/e4/rap/CmsLoginLifecycle.java
@@ -0,0 +1,108 @@
+package org.argeo.cms.e4.rap;
+
+import java.security.AccessController;
+
+import javax.security.auth.Subject;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
+
+import org.argeo.cms.CmsException;
+import org.argeo.cms.auth.CurrentUser;
+import org.argeo.cms.ui.CmsImageManager;
+import org.argeo.cms.ui.CmsView;
+import org.argeo.cms.ui.UxContext;
+import org.argeo.cms.util.SimpleUxContext;
+import org.argeo.cms.widgets.auth.CmsLoginShell;
+import org.argeo.node.NodeConstants;
+import org.eclipse.e4.ui.workbench.lifecycle.PostContextCreate;
+import org.eclipse.swt.widgets.Display;
+
+@SuppressWarnings("restriction")
+public class CmsLoginLifecycle implements CmsView {
+       private UxContext uxContext;
+       private LoginContext loginContext;
+
+       @PostContextCreate
+       boolean login(Display d) {
+               Subject subject = Subject.getSubject(AccessController.getContext());
+               Display display = Display.getCurrent();
+               CmsLoginShell loginShell = new CmsLoginShell(this);
+               loginShell.setSubject(subject);
+               try {
+                       // try pre-auth
+                       loginContext = new LoginContext(NodeConstants.LOGIN_CONTEXT_USER, subject, loginShell);
+                       loginContext.login();
+               } catch (LoginException e) {
+                       loginShell.createUi();
+                       loginShell.open();
+
+                       while (!loginShell.getShell().isDisposed()) {
+                               if (!display.readAndDispatch())
+                                       display.sleep();
+                       }
+               }
+               if (CurrentUser.getUsername(getSubject()) == null)
+                       return false;
+               uxContext = new SimpleUxContext();
+               return true;
+       }
+
+       @Override
+       public UxContext getUxContext() {
+               return uxContext;
+       }
+
+       @Override
+       public void navigateTo(String state) {
+               // TODO Auto-generated method stub
+
+       }
+
+       @Override
+       public void authChange(LoginContext loginContext) {
+               if (loginContext == null)
+                       throw new CmsException("Login context cannot be null");
+               // logout previous login context
+//             if (this.loginContext != null)
+//                     try {
+//                             this.loginContext.logout();
+//                     } catch (LoginException e1) {
+//                             System.err.println("Could not log out: " + e1);
+//                     }
+               this.loginContext = loginContext;
+       }
+
+       @Override
+       public void logout() {
+               if (loginContext == null)
+                       throw new CmsException("Login context should not bet null");
+               try {
+                       CurrentUser.logoutCmsSession(loginContext.getSubject());
+                       loginContext.logout();
+               } catch (LoginException e) {
+                       throw new CmsException("Cannot log out", e);
+               }
+       }
+
+       @Override
+       public void exception(Throwable e) {
+               // TODO Auto-generated method stub
+
+       }
+
+       @Override
+       public CmsImageManager getImageManager() {
+               // TODO Auto-generated method stub
+               return null;
+       }
+
+       protected Subject getSubject() {
+               return loginContext.getSubject();
+       }
+
+       @Override
+       public boolean isAnonymous() {
+               return CurrentUser.isAnonymous(getSubject());
+       }
+
+}