/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 * All rights reserved.
 *
 * Licensed 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.
 *
 * See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 * explanation of the license and how it is applied.
 */

package org.mifos.security;

import org.springframework.context.support.MessageSourceAccessor;
import org.springframework.security.authentication.AccountExpiredException;
import org.springframework.security.authentication.CredentialsExpiredException;
import org.springframework.security.authentication.DisabledException;
import org.springframework.security.authentication.LockedException;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsChecker;

/**
 * Checks the account status of {@link MifosUser} and throws appropriate spring security related error message.
 */
public class MifosUserDetailsChecker implements UserDetailsChecker {

    private final MessageSourceAccessor messages;

    public MifosUserDetailsChecker(MessageSourceAccessor messages) {
        this.messages = messages;
    }

    @Override
    public void check(UserDetails user) {
        if (!user.isAccountNonLocked()) {
            throw new LockedException(messages.getMessage("UserDetailsService.locked", "User account is locked"), user);
        }

        if (!user.isEnabled()) {
            throw new DisabledException(messages.getMessage("UserDetailsService.disabled", "User is disabled"), user);
        }

        if (!user.isAccountNonExpired()) {
            throw new AccountExpiredException(messages.getMessage("UserDetailsService.expired",
                    "User account has expired"), user);
        }

        if (!user.isCredentialsNonExpired()) {
            throw new CredentialsExpiredException(messages.getMessage("UserDetailsService.credentialsExpired",
                    "User credentials have expired"), user);
        }
    }
}