mysqlauthenticator.java

来自「piweurrrrq i o fhsadhfka fd dskajc zxkjc」· Java 代码 · 共 49 行

/*
 * Mysql Authentication Module:
 * By Leif Jackson <[e-mail]>
 * Last Updated: 03.21.2000 
 * ChangeLog:
 *  - 03.21.2000 
 *   * Created base SQL code for auth and create a local connection to test with
 *  - 03.22.2000 - TL
 *   * Not logging SQLException because the Mysql class logs it for us 
 *   * Using an instance of the Mysql object rather than a static version
 */

package com.lyrisoft.auth.mysql;

import java.sql.SQLException;

import com.lyrisoft.chat.server.remote.AccessDenied;
import com.lyrisoft.chat.server.remote.IAuthenticator;
import com.lyrisoft.chat.server.remote.Auth;

/**
 * Authenitcator that reads from MySQL server using mm.mysql JDBC<p>
 *
 * If a user if found in the password file, his password is checked.
 * If a user is not found in the password file, the access level IAuthenticator.USER
 * is returned.
 */
public class MysqlAuthenticator implements IAuthenticator {
    private Mysql _mysql;

    public MysqlAuthenticator() {
        _mysql = new Mysql();
    }

    public Auth authenticate(String userId, String password) throws AccessDenied {
        try {
            MysqlRecord record = _mysql.getRecord(userId, password);
            if (record == null) {
                return new Auth(userId, USER);
            } else {
                return new Auth(userId, record.access);
            }
        }
        catch (SQLException e) {
            throw new AccessDenied("SQL Error: " + e.getMessage());
        }
    }
}