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/*
*
* 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.qpid.server.security.auth;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.login.AccountNotFoundException;
import java.security.Principal;
import java.io.IOException;
/**
* Represents a "user database" which is really a way of storing principals (i.e. usernames) and
* passwords.
*/
public interface PrincipalDatabase
{
/**
* Set the password for a given principal in the specified callback. This is used for certain
* SASL providers. The user database implementation should look up the password in any way it
* chooses and set it in the callback by calling its setPassword method.
* @param principal the principal
* @param callback the password callback that wants to receive the password
* @throws AccountNotFoundException if the account for specified principal could not be found
* @throws IOException if there was an error looking up the principal
*/
void setPassword(Principal principal, PasswordCallback callback)
throws IOException, AccountNotFoundException;
}
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