Make logout more robust.
[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / auth / CurrentUser.java
index 2f6325d279ccf687f82370771c8b5237746e3e19..eaaf41ab72a458ee7acacb0778315922c9c52ba5 100644 (file)
@@ -1,18 +1,3 @@
-/*
- * 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.auth;
 
 import java.security.AccessController;
@@ -20,20 +5,18 @@ import java.security.Principal;
 import java.security.PrivilegedAction;
 import java.security.PrivilegedActionException;
 import java.security.PrivilegedExceptionAction;
-import java.security.acl.Group;
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
 
 import javax.security.auth.Subject;
 import javax.security.auth.x500.X500Principal;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.cms.CmsException;
+import org.argeo.api.NodeConstants;
 import org.argeo.cms.internal.auth.CmsSessionImpl;
-import org.argeo.eclipse.ui.specific.UiContext;
-import org.argeo.node.NodeConstants;
+import org.argeo.cms.internal.auth.ImpliedByPrincipal;
+import org.argeo.cms.internal.kernel.Activator;
 import org.osgi.service.useradmin.Authorization;
 
 /**
@@ -41,8 +24,6 @@ import org.osgi.service.useradmin.Authorization;
  * context.
  */
 public final class CurrentUser {
-       private final static Log log = LogFactory.getLog(CurrentUser.class);
-//     private final static BundleContext bc = FrameworkUtil.getBundle(CurrentUser.class).getBundleContext();
        /*
         * CURRENT USER API
         */
@@ -50,16 +31,15 @@ public final class CurrentUser {
        /**
         * Technical username of the currently authenticated user.
         * 
-        * @return the authenticated username or null if not authenticated /
-        *         anonymous
+        * @return the authenticated username or null if not authenticated / anonymous
         */
        public static String getUsername() {
                return getUsername(currentSubject());
        }
 
        /**
-        * Human readable name of the currently authenticated user (typically first
-        * name and last name).
+        * Human readable name of the currently authenticated user (typically first name
+        * and last name).
         */
        public static String getDisplayName() {
                return getDisplayName(currentSubject());
@@ -70,6 +50,11 @@ public final class CurrentUser {
                return isAnonymous(currentSubject());
        }
 
+       /** Locale of the current user */
+       public final static Locale locale() {
+               return locale(currentSubject());
+       }
+
        /** Roles of the currently logged-in user */
        public final static Set<String> roles() {
                return roles(currentSubject());
@@ -97,7 +82,7 @@ public final class CurrentUser {
 
        public final static String getUsername(Subject subject) {
                if (subject == null)
-                       throw new CmsException("Subject cannot be null");
+                       throw new IllegalArgumentException("Subject cannot be null");
                if (subject.getPrincipals(X500Principal.class).size() != 1)
                        return NodeConstants.ROLE_ANONYMOUS;
                Principal principal = subject.getPrincipals(X500Principal.class).iterator().next();
@@ -111,12 +96,21 @@ public final class CurrentUser {
        public final static Set<String> roles(Subject subject) {
                Set<String> roles = new HashSet<String>();
                roles.add(getUsername(subject));
-               for (Principal group : subject.getPrincipals(Group.class)) {
+               for (Principal group : subject.getPrincipals(ImpliedByPrincipal.class)) {
                        roles.add(group.getName());
                }
                return roles;
        }
 
+       public final static Locale locale(Subject subject) {
+               Set<Locale> locales = subject.getPublicCredentials(Locale.class);
+               if (locales.isEmpty()) {
+                       Locale defaultLocale = Activator.getNodeState().getDefaultLocale();
+                       return defaultLocale;
+               } else
+                       return locales.iterator().next();
+       }
+
        /** Whether this user is currently authenticated. */
        public static boolean isAnonymous(Subject subject) {
                if (subject == null)
@@ -124,27 +118,25 @@ public final class CurrentUser {
                String username = getUsername(subject);
                return username == null || username.equalsIgnoreCase(NodeConstants.ROLE_ANONYMOUS);
        }
+
+       public CmsSession getCmsSession() {
+               Subject subject = currentSubject();
+               CmsSessionId cmsSessionId = subject.getPrivateCredentials(CmsSessionId.class).iterator().next();
+               return CmsSessionImpl.getByUuid(cmsSessionId.getUuid());
+       }
+
        /*
         * HELPERS
         */
-
        private static Subject currentSubject() {
-               CmsAuthenticated cmsView = getNodeAuthenticated();
-               if (cmsView != null)
-                       return cmsView.getSubject();
-               Subject subject = Subject.getSubject(AccessController.getContext());
+               Subject subject = getAccessControllerSubject();
                if (subject != null)
                        return subject;
-               throw new CmsException("Cannot find related subject");
+               throw new IllegalStateException("Cannot find related subject");
        }
 
-       /**
-        * The node authenticated component (typically a CMS view) related to this
-        * display, or null if none is available from this call. <b>Not API: Only
-        * for low-level access.</b>
-        */
-       private static CmsAuthenticated getNodeAuthenticated() {
-               return UiContext.getData(CmsAuthenticated.KEY);
+       private static Subject getAccessControllerSubject() {
+               return Subject.getSubject(AccessController.getContext());
        }
 
        private static Authorization getAuthorization(Subject subject) {
@@ -157,32 +149,14 @@ public final class CurrentUser {
                        nodeSessionId = subject.getPrivateCredentials(CmsSessionId.class).iterator().next().getUuid();
                else
                        return false;
-               CmsSessionImpl cmsSession = (CmsSessionImpl) CmsSessionImpl.getByUuid(nodeSessionId.toString());
-               cmsSession.close();
-               // Collection<ServiceReference<CmsSession>> srs;
-               // try {
-               // srs = bc.getServiceReferences(CmsSession.class, "(" +
-               // CmsSession.SESSION_UUID + "=" + nodeSessionId + ")");
-               // } catch (InvalidSyntaxException e) {
-               // throw new CmsException("Cannot retrieve CMS session #" +
-               // nodeSessionId, e);
-               // }
-               //
-               // if (srs.size() == 0) {
-               // // if (log.isTraceEnabled())
-               // // log.warn("No CMS web session found for http session " +
-               // // nodeSessionId);
-               // return false;
-               // } else if (srs.size() > 1)
-               // throw new CmsException(srs.size() + " CMS web sessions found for http
-               // session " + nodeSessionId);
-               //
-               // WebCmsSessionImpl cmsSession = (WebCmsSessionImpl)
-               // bc.getService(srs.iterator().next());
-//             cmsSession.cleanUp();
-               // subject.getPrivateCredentials().removeAll(subject.getPrivateCredentials(CmsSessionId.class));
-               if (log.isDebugEnabled())
-                       log.debug("Logged out CMS session " + cmsSession.getUuid());
+               CmsSessionImpl cmsSession = CmsSessionImpl.getByUuid(nodeSessionId.toString());
+               
+               // FIXME logout all views
+               // TODO check why it is sometimes null
+               if (cmsSession != null)
+                       cmsSession.close();
+               // if (log.isDebugEnabled())
+               // log.debug("Logged out CMS session " + cmsSession.getUuid());
                return true;
        }