[Aplaws-commit] r119 - ccm-ldn-util/trunk/src/com/arsdigita/london/util

[<mb...@re...>]

Author: mbooth
Date: 2004-11-22 19:48:25 +0100 (Mon, 22 Nov 2004)
New Revision: 119

Added:
   ccm-ldn-util/trunk/src/com/arsdigita/london/util/ApplicationAdminAuthListener.java
Log:
Bring in ApplicationAdminAuthListener from former 1.4 branch


Added: ccm-ldn-util/trunk/src/com/arsdigita/london/util/ApplicationAdminAuthListener.java
===================================================================
--- ccm-ldn-util/trunk/src/com/arsdigita/london/util/ApplicationAdminAuthListener.java	2004-11-22 17:10:35 UTC (rev 118)
+++ ccm-ldn-util/trunk/src/com/arsdigita/london/util/ApplicationAdminAuthListener.java	2004-11-22 18:48:25 UTC (rev 119)
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2001, 2002 Red Hat Inc. All Rights Reserved.
+ *
+ * The contents of this file are subject to the CCM Public
+ * License (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.redhat.com/licenses/ccmpl.html
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ */
+
+package com.arsdigita.london.util;
+
+import com.arsdigita.bebop.PageState;
+import com.arsdigita.bebop.event.RequestEvent;
+import com.arsdigita.bebop.event.RequestListener;
+
+import com.arsdigita.dispatcher.AccessDeniedException;
+import com.arsdigita.dispatcher.DispatcherHelper;
+
+
+import com.arsdigita.web.Application;
+import com.arsdigita.kernel.Kernel;
+import com.arsdigita.kernel.Party;
+import com.arsdigita.kernel.permissions.PermissionDescriptor;
+import com.arsdigita.kernel.permissions.PermissionService;
+import com.arsdigita.kernel.permissions.PrivilegeDescriptor;
+
+
+import com.arsdigita.ui.login.UserAuthenticationListener;
+
+import java.io.IOException;
+import org.apache.log4j.Logger;
+
+/**
+ * A RequestListener that can check to see if a user
+ * has or doesn't have a given privilege on the current
+ * ApplicationInstance.
+ *
+ * The user is redirected to ACCESS_DENIED if their is
+ * insufficient permission.
+ *
+ * @param privilegeName a String that represents the privlege name for the
+ *                 privilege a user must have to see the page.
+ *
+ */
+public class ApplicationAdminAuthListener 
+        extends UserAuthenticationListener 
+        implements RequestListener {
+
+    private static final Logger s_log = Logger.getLogger
+        (ApplicationAdminAuthListener.class);
+
+    public ApplicationAdminAuthListener() {
+        super();
+    }
+
+
+    /**
+     * Checks whether the user is logged in.  If not, redirects the client
+     * to the login page.
+     */
+    public void pageRequested(RequestEvent event) {
+        super.pageRequested(event);
+
+        PageState state = event.getPageState();
+
+        /* Get the current party */
+        Party party = Kernel.getContext().getParty();
+
+        /* Get the current package */
+        Application app = (Application)Kernel.getContext().getResource();
+
+        PermissionDescriptor permDescriptor =
+            new PermissionDescriptor(PrivilegeDescriptor.ADMIN,
+                                     app,
+                                     party);
+        
+        if (!PermissionService.checkPermission(permDescriptor)) {
+            throw new AccessDeniedException("not an administrator for this application");
+        }
+    }
+}