SimpleAuth.java

/**
 * This file is part of Waarp Project.
 * 
 * Copyright 2009, Frederic Bregier, and individual contributors by the @author tags. See the
 * COPYRIGHT.txt in the distribution for a full listing of individual contributors.
 * 
 * All Waarp Project is free software: you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 * 
 * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with Waarp . If not, see
 * <http://www.gnu.org/licenses/>.
 */
package org.waarp.ftp.simpleimpl.file;

import org.waarp.common.logging.WaarpLogger;
import org.waarp.common.logging.WaarpLoggerFactory;

/**
 * Simple Authentication based on a previously load XML file. Not to be used in production!
 * 
 * @author Frederic Bregier
 * 
 */
public class SimpleAuth {
    /**
     * Internal Logger
     */
    private static final WaarpLogger logger = WaarpLoggerFactory
            .getLogger(SimpleAuth.class);

    /**
     * User name
     */
    private String user = null;

    /**
     * Password
     */
    private String password = null;

    /**
     * Multiple accounts
     */
    private String[] accounts = null;

    /**
     * Is the current user an administrator (which can shutdown or change bandwidth limitation)
     */
    private boolean isAdmin = false;

    /**
     * @param user
     * @param password
     * @param accounts
     */
    public SimpleAuth(String user, String password, String[] accounts) {
        this.user = user;
        this.password = password;
        this.accounts = accounts;
    }

    /**
     * Is the given password a valid one
     * 
     * @param newpassword
     * @return True if the password is valid (or any password is valid)
     */
    public boolean isPasswordValid(String newpassword) {
        if (password == null) {
            return true;
        }
        if (newpassword == null) {
            return false;
        }
        return password.equals(newpassword);
    }

    /**
     * Is the given account a valid one
     * 
     * @param account
     * @return True if the account is valid (or any account is valid)
     */
    public boolean isAccountValid(String account) {
        if (accounts == null) {
            logger.debug("No account needed");
            return true;
        }
        if (account == null) {
            logger.debug("No account given");
            return false;
        }
        for (String acct : accounts) {
            if (acct.equals(account)) {
                logger.debug("Account found");
                return true;
            }
        }
        logger.debug("No account found");
        return false;
    }

    /**
     * 
     * @param isAdmin
     *            True if the user should be an administrator
     */
    public void setAdmin(boolean isAdmin) {
        this.isAdmin = isAdmin;
    }

    /**
     * @return the isAdmin
     */
    public boolean isAdmin() {
        return isAdmin;
    }

    /**
     * @return the user
     */
    public String getUser() {
        return user;
    }
}