de.alpharogroup.user.service.UserTokensBusinessService.java Source code

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Here is the source code for de.alpharogroup.user.service.UserTokensBusinessService.java

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/**
 * The MIT License
 *
 * Copyright (C) 2015 Asterios Raptis
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *  *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *  *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package de.alpharogroup.user.service;

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;
import java.util.List;

import org.apache.commons.collections4.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.torpedoquery.jpa.Torpedo;

import de.alpharogroup.collections.ListExtensions;
import de.alpharogroup.db.service.jpa.AbstractBusinessService;
import de.alpharogroup.random.RandomExtensions;
import de.alpharogroup.user.entities.UserTokens;
import de.alpharogroup.user.repositories.UserTokensDao;
import de.alpharogroup.user.service.api.UserTokensService;

@Transactional
@Service("userTokensService")
public class UserTokensBusinessService extends AbstractBusinessService<UserTokens, Integer, UserTokensDao>
        implements UserTokensService {

    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 1L;

    @Override
    public UserTokens find(String username) {
        return ListExtensions.getFirst(findAll(username));
    }

    @Override
    public List<UserTokens> findAll(String username) {
        List<UserTokens> userTokens = null;
        UserTokens from = Torpedo.from(UserTokens.class);
        Torpedo.where(from.getUsername()).eq(username);
        org.torpedoquery.jpa.Query<UserTokens> select = Torpedo.select(from);
        userTokens = select.list(getDao().getEntityManager());
        return userTokens;
    }

    @Override
    public String getAutheticationToken(String username) {
        UserTokens token = find(username);
        if (token != null) {
            return token.getToken();
        }
        return null;
    }

    @Override
    public boolean isValid(String token) {
        List<UserTokens> userTokens = null;
        UserTokens from = Torpedo.from(UserTokens.class);
        Torpedo.where(from.getToken()).eq(token);
        org.torpedoquery.jpa.Query<UserTokens> select = Torpedo.select(from);
        userTokens = select.list(getDao().getEntityManager());
        boolean valid = CollectionUtils.isNotEmpty(userTokens);
        return valid;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String newAuthenticationToken(String username) {
        UserTokens userTokens = find(username);
        if (userTokens == null) {
            userTokens = merge(newUserTokens(username));
        }
        // check if expired
        Date now = Date.from(LocalDateTime.now().atZone(ZoneId.systemDefault()).toInstant());
        if (userTokens.getExpiry().before(now)) {
            // expires in one year
            Date expiry = Date.from(LocalDateTime.now().plusMonths(12).atZone(ZoneId.systemDefault()).toInstant());
            // create a token
            String token = RandomExtensions.randomToken();
            userTokens.setExpiry(expiry);
            userTokens.setToken(token);
            userTokens = merge(userTokens);
        }
        return userTokens.getToken();
    }

    /**
     * New user tokens.
     *
     * @param username
     *            the username
     * @return the user tokens
     */
    private UserTokens newUserTokens(String username) {
        UserTokens userTokens;
        // expires in one year
        Date expiry = Date.from(LocalDateTime.now().plusMonths(12).atZone(ZoneId.systemDefault()).toInstant());
        // create a token
        String token = RandomExtensions.randomToken();
        userTokens = UserTokens.builder().expiry(expiry).username(username).token(token).build();
        return userTokens;
    }

    @Autowired
    public void setUserTokensDao(UserTokensDao userTokensDao) {
        setDao(userTokensDao);
    }

}