| package org.apache.turbine.services.security; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.List; |
| |
| import org.apache.commons.configuration2.Configuration; |
| import org.apache.fulcrum.security.acl.AccessControlList; |
| import org.apache.fulcrum.security.util.DataBackendException; |
| import org.apache.fulcrum.security.util.EntityExistsException; |
| import org.apache.fulcrum.security.util.PasswordMismatchException; |
| import org.apache.fulcrum.security.util.UnknownEntityException; |
| import org.apache.turbine.om.security.User; |
| import org.apache.turbine.services.InitializationException; |
| |
| /** |
| * An UserManager performs {@link org.apache.turbine.om.security.User} objects |
| * related tasks on behalf of the |
| * {@link org.apache.turbine.services.security.DefaultSecurityService}. |
| * |
| * The responsibilities of this class include loading data of an user from the |
| * storage and putting them into the |
| * {@link org.apache.turbine.om.security.User} objects, saving those data |
| * to the permanent storage, and authenticating users. |
| * |
| * @author <a href="mailto:Rafal.Krzewski@e-point.pl">Rafal Krzewski</a> |
| * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a> |
| * @version $Id$ |
| */ |
| public interface UserManager |
| { |
| /** |
| * Initializes the UserManager |
| * |
| * @param conf A Configuration object to init this Manager |
| * |
| * @throws InitializationException When something went wrong. |
| */ |
| void init(Configuration conf) |
| throws InitializationException; |
| |
| /** |
| * Check whether a specified user's account exists. |
| * |
| * The login name is used for looking up the account. |
| * |
| * @param user The user to be checked. |
| * @return true if the specified account exists |
| * @throws DataBackendException if there was an error accessing the data |
| * backend. |
| */ |
| boolean accountExists(User user) |
| throws DataBackendException; |
| |
| /** |
| * Check whether a specified user's account exists. |
| * |
| * The login name is used for looking up the account. |
| * |
| * @param userName The name of the user to be checked. |
| * @return true if the specified account exists |
| * @throws DataBackendException if there was an error accessing the data |
| * backend. |
| */ |
| boolean accountExists(String userName) |
| throws DataBackendException; |
| |
| /** |
| * Retrieve a user from persistent storage using username as the |
| * key. |
| * |
| * @param <U> user class |
| * @param username the name of the user. |
| * @return an User object. |
| * @throws UnknownEntityException if the user's record does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the |
| * storage. |
| */ |
| <U extends User> U retrieve(String username) |
| throws UnknownEntityException, DataBackendException; |
| |
| /** |
| * Retrieve a list of users that meet the specified criteria. |
| * |
| * As the keys for the criteria, you should use the constants that |
| * are defined in {@link User} interface, plus the names |
| * of the custom attributes you added to your user representation |
| * in the data storage. Use verbatim names of the attributes - |
| * without table name prefix in case of DB implementation. |
| * |
| * @param criteria The criteria of selection. |
| * @return a List of users meeting the criteria. |
| * @throws DataBackendException if there is a problem accessing the |
| * storage. |
| */ |
| List<? extends User> retrieveList(Object criteria) |
| throws DataBackendException; |
| |
| /** |
| * Retrieve a user from persistent storage using username as the |
| * key, and authenticate the user. The implementation may chose |
| * to authenticate to the server as the user whose data is being |
| * retrieved. |
| * |
| * @param <U> user class |
| * @param username the name of the user. |
| * @param password the user supplied password. |
| * @return an User object. |
| * @throws PasswordMismatchException if the supplied password was incorrect. |
| * @throws UnknownEntityException if the user's record does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the storage. |
| */ |
| <U extends User> U retrieve(String username, String password) |
| throws PasswordMismatchException, UnknownEntityException, |
| DataBackendException; |
| |
| /** |
| * Save an User object to persistent storage. User's record is |
| * required to exist in the storage. |
| * |
| * @param user an User object to store. |
| * @throws UnknownEntityException if the user's record does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the storage. |
| */ |
| void store(User user) |
| throws UnknownEntityException, DataBackendException; |
| |
| /** |
| * Saves User data when the session is unbound. The user account is required |
| * to exist in the storage. |
| * |
| * LastLogin, AccessCounter, persistent pull tools, and any data stored |
| * in the permData hashtable that is not mapped to a column will be saved. |
| * |
| * @param user the user in the session |
| * |
| * @throws UnknownEntityException if the user's account does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the |
| * storage. |
| */ |
| void saveOnSessionUnbind(User user) |
| throws UnknownEntityException, DataBackendException; |
| |
| /** |
| * Authenticate an User with the specified password. If authentication |
| * is successful the method returns nothing. If there are any problems, |
| * exception was thrown. |
| * |
| * @param user an User object to authenticate. |
| * @param password the user supplied password. |
| * @throws PasswordMismatchException if the supplied password was incorrect. |
| * @throws UnknownEntityException if the user's record does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the storage. |
| */ |
| void authenticate(User user, String password) |
| throws PasswordMismatchException, UnknownEntityException, |
| DataBackendException; |
| |
| /** |
| * Creates new user account with specified attributes. |
| * |
| * @param user the object describing account to be created. |
| * @param initialPassword password for the new user |
| * @throws UnknownEntityException if the user account cannot be created. |
| * @throws DataBackendException if there was an error accessing the data |
| * backend. |
| * @throws EntityExistsException if the user account already exists. |
| */ |
| void createAccount(User user, String initialPassword) |
| throws UnknownEntityException, EntityExistsException, DataBackendException; |
| |
| /** |
| * Removes an user account from the system. |
| * |
| * @param user the object describing the account to be removed. |
| * @throws DataBackendException if there was an error accessing the data |
| * backend. |
| * @throws UnknownEntityException if the user account is not present. |
| */ |
| void removeAccount(User user) |
| throws UnknownEntityException, DataBackendException; |
| |
| /** |
| * Change the password for an User. |
| * |
| * @param user an User to change password for. |
| * @param oldPassword the current password suplied by the user. |
| * @param newPassword the current password requested by the user. |
| * @throws PasswordMismatchException if the supplied password was incorrect. |
| * @throws UnknownEntityException if the user's record does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the storage. |
| */ |
| void changePassword(User user, String oldPassword, |
| String newPassword) |
| throws PasswordMismatchException, UnknownEntityException, |
| DataBackendException; |
| |
| /** |
| * Forcibly sets new password for an User. |
| * |
| * This is supposed by the administrator to change the forgotten or |
| * compromised passwords. Certain implementatations of this feature |
| * would require administrative level access to the authenticating |
| * server / program. |
| * |
| * @param user an User to change password for. |
| * @param password the new password. |
| * @throws UnknownEntityException if the user's record does not |
| * exist in the database. |
| * @throws DataBackendException if there is a problem accessing the storage. |
| */ |
| void forcePassword(User user, String password) |
| throws UnknownEntityException, DataBackendException; |
| |
| /** |
| * Constructs an User object to represent an anonymous user of the |
| * application. |
| * |
| * @param <U> user class |
| * @return An anonymous Turbine User. |
| * @throws UnknownEntityException |
| * if the anonymous User object couldn't be constructed. |
| */ |
| <U extends User> U getAnonymousUser() throws UnknownEntityException; |
| |
| /** |
| * Checks whether a passed user object matches the anonymous user pattern |
| * according to the configured user manager |
| * |
| * @param u a user object |
| * |
| * @return True if this is an anonymous user |
| * |
| */ |
| boolean isAnonymousUser(User u); |
| |
| /** |
| * Construct a blank User object. |
| * |
| * This method calls getUserClass, and then creates a new object using the |
| * default constructor. |
| * |
| * @param <U> user class |
| * @return an object implementing User interface. |
| * @throws DataBackendException |
| * if the object could not be instantiated. |
| */ |
| <U extends User> U getUserInstance() throws DataBackendException; |
| |
| /** |
| * Construct a blank User object. |
| * |
| * This method calls getUserClass, and then creates a new object using the |
| * default constructor. |
| * |
| * @param <U> user class |
| * @param userName |
| * The name of the user. |
| * |
| * @return an object implementing User interface. |
| * @throws DataBackendException |
| * if the object could not be instantiated. |
| */ |
| <U extends User> U getUserInstance(String userName) throws DataBackendException; |
| |
| /** |
| * Return a Class object representing the system's chosen implementation of |
| * of ACL interface for the given user |
| * |
| * @param <A> ACL class |
| * @param user the user |
| * @return systems's chosen implementation of ACL interface. |
| * @throws UnknownEntityException |
| * if the implementation of ACL interface could not be |
| * determined, or does not exist. |
| */ |
| <A extends AccessControlList> A getACL(User user) throws UnknownEntityException; |
| } |