| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.guacamole.net.auth.simple; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| import org.apache.guacamole.GuacamoleException; |
| import org.apache.guacamole.GuacamoleSecurityException; |
| import org.apache.guacamole.net.auth.permission.SystemPermission; |
| import org.apache.guacamole.net.auth.permission.SystemPermissionSet; |
| |
| /** |
| * A read-only implementation of SystemPermissionSet which uses a backing Set |
| * of Permissions to determine which permissions are present. |
| */ |
| public class SimpleSystemPermissionSet implements SystemPermissionSet { |
| |
| /** |
| * The set of all permissions currently granted. |
| */ |
| private Set<SystemPermission> permissions = Collections.emptySet(); |
| |
| /** |
| * Creates a new empty SimpleSystemPermissionSet. If you are not extending |
| * SimpleSystemPermissionSet and only need an immutable, empty |
| * SystemPermissionSet, consider using {@link SystemPermissionSet#EMPTY_SET} |
| * instead. |
| */ |
| public SimpleSystemPermissionSet() { |
| } |
| |
| /** |
| * Creates a new SimpleSystemPermissionSet which contains the permissions |
| * within the given Set. |
| * |
| * @param permissions |
| * The Set of permissions this SimpleSystemPermissionSet should |
| * contain. |
| */ |
| public SimpleSystemPermissionSet(Set<SystemPermission> permissions) { |
| this.permissions = permissions; |
| } |
| |
| /** |
| * Sets the Set which backs this SimpleSystemPermissionSet. Future function |
| * calls on this SimpleSystemPermissionSet will use the provided Set. |
| * |
| * @param permissions |
| * The Set of permissions this SimpleSystemPermissionSet should |
| * contain. |
| */ |
| protected void setPermissions(Set<SystemPermission> permissions) { |
| this.permissions = permissions; |
| } |
| |
| @Override |
| public Set<SystemPermission> getPermissions() { |
| return permissions; |
| } |
| |
| @Override |
| public boolean hasPermission(SystemPermission.Type permission) |
| throws GuacamoleException { |
| |
| SystemPermission systemPermission = new SystemPermission(permission); |
| return permissions.contains(systemPermission); |
| |
| } |
| |
| @Override |
| public void addPermission(SystemPermission.Type permission) |
| throws GuacamoleException { |
| throw new GuacamoleSecurityException("Permission denied."); |
| } |
| |
| @Override |
| public void removePermission(SystemPermission.Type permission) |
| throws GuacamoleException { |
| throw new GuacamoleSecurityException("Permission denied."); |
| } |
| |
| @Override |
| public void addPermissions(Set<SystemPermission> permissions) |
| throws GuacamoleException { |
| throw new GuacamoleSecurityException("Permission denied."); |
| } |
| |
| @Override |
| public void removePermissions(Set<SystemPermission> permissions) |
| throws GuacamoleException { |
| throw new GuacamoleSecurityException("Permission denied."); |
| } |
| |
| } |