+++ /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.internal;
-
-import java.security.AccessController;
-import java.security.Principal;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Set;
-
-import javax.security.auth.Subject;
-
-import org.argeo.ArgeoException;
-import org.springframework.security.Authentication;
-import org.springframework.security.GrantedAuthority;
-
-/**
- * Retrieves information about the current user. Not an API, can change without
- * notice.
- */
-public class CurrentUser {
- public final static String getUsername() {
- Subject subject = getSubject();
- if (subject == null)
- return null;
- Principal principal = subject.getPrincipals().iterator().next();
- return principal.getName();
-
- }
-
- public final static Set<String> roles() {
- Set<String> roles = Collections.synchronizedSet(new HashSet<String>());
- Authentication authentication = getAuthentication();
- for (GrantedAuthority ga : authentication.getAuthorities()) {
- roles.add(ga.getAuthority());
- }
- return Collections.unmodifiableSet(roles);
- }
-
- public final static Authentication getAuthentication() {
- Set<Authentication> authens = getSubject().getPrincipals(
- Authentication.class);
- if (authens != null && !authens.isEmpty()) {
- Principal principal = authens.iterator().next();
- Authentication authentication = (Authentication) principal;
- return authentication;
- }
- throw new ArgeoException("No authentication found");
- }
-
- public final static Subject getSubject() {
- Subject subject = Subject.getSubject(AccessController.getContext());
- if (subject == null)
- throw new ArgeoException("Not authenticated.");
- return subject;
- }
-}