passwdauthenticator.java

来自「piweurrrrq i o fhsadhfka fd dskajc zxkjc」· Java 代码 · 共 40 行

/*
 * Copyright (c) 2000 Lyrisoft Solutions, Inc.
 * Used by permission
 */
package com.lyrisoft.chat.server.remote.auth;

import java.io.IOException;
import com.lyrisoft.chat.server.remote.AccessDenied;
import com.lyrisoft.chat.server.remote.IAuthenticator;
import com.lyrisoft.chat.server.remote.Auth;
import com.lyrisoft.chat.server.remote.ChatServer;

/**
 * Authenitcator that reads from a password file.<p>
 *
 * The file is made up of colon-delimited fields:
 * <userId>:<access_level>:<password>
 * <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 PasswdAuthenticator implements IAuthenticator {
    public Auth authenticate(String userId, String password) throws AccessDenied {
        try {
            PasswdRecord record = Passwd.getRecord(userId, password);
            if (record == null) {
                return new Auth(userId, USER);
            } else {
                return new Auth(userId, record.access);
            }
        }
        catch (IOException e) {
            ChatServer.log(e);
//            throw new AccessException(Resources.getString("err.passwd.io"));
            throw new AccessDenied(userId);
        }
    }
}