UserManagerIntegrationAdapter.java

package org.eftp.ftpserver.business.users.control;

/*
 * #%L
 * ftpservice
 * %%
 * Copyright (C) 2013 e2ftp
 * %%
 * 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.
 * #L%
 */

import java.util.List;
import javax.inject.Inject;
import org.apache.ftpserver.ftplet.Authentication;
import org.apache.ftpserver.ftplet.AuthenticationFailedException;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.User;
import org.apache.ftpserver.ftplet.UserManager;
import org.apache.ftpserver.usermanager.AnonymousAuthentication;
import org.apache.ftpserver.usermanager.UsernamePasswordAuthentication;
import org.eftp.ftpserver.business.users.boundary.JPAUserStore;
import org.eftp.ftpserver.business.users.entity.FtpUser;

/**
 *
 * @author adam-bien.com
 */
public class UserManagerIntegrationAdapter implements UserManager {

    @Inject
    JPAUserStore userStore;

    @Override
    public User getUserByName(String string) throws FtpException {
        return userStore.find(string).getBaseUser();

    }

    @Override
    public String[] getAllUserNames() throws FtpException {
        List<FtpUser> allUsers = this.userStore.allUsers();
        String userNames[] = new String[allUsers.size()];
        int counter = 0;
        for (FtpUser ftpUser : allUsers) {
            userNames[counter++] = ftpUser.getUserName();
        }
        return userNames;
    }

    @Override
    public void delete(String userName) throws FtpException {
        this.userStore.remove(userName);
    }

    @Override
    public void save(User user) throws FtpException {
        throw new UnsupportedOperationException("User management only supported through JPA store");
    }

    @Override
    public boolean doesExist(String userName) throws FtpException {
        FtpUser found = this.userStore.find(userName);
        return found != null;
    }

    @Override
    public User authenticate(Authentication a) throws AuthenticationFailedException {
        if (a instanceof UsernamePasswordAuthentication) {
            UsernamePasswordAuthentication upa = (UsernamePasswordAuthentication) a;
            FtpUser user = this.userStore.find(upa.getUsername(), upa.getPassword());
            return user.getBaseUser();
        } else if (a instanceof AnonymousAuthentication) {
            FtpUser found = this.userStore.find("anonymous");
            if (found != null) {
                return found.getBaseUser();
            }

        }
        return null;
    }

    @Override
    public String getAdminName() throws FtpException {
        FtpUser adminUser = this.userStore.findAdmin();
        if (adminUser != null) {
            return adminUser.getUserName();
        }
        return null;
    }

    @Override
    public boolean isAdmin(String userName) throws FtpException {
        return this.userStore.isAdmin(userName);
    }
}