net.thewaffleshop.passwd.service.AccountService.java Source code

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Here is the source code for net.thewaffleshop.passwd.service.AccountService.java

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/*
 * Copyright (C) 2014 The Waffleshop
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package net.thewaffleshop.passwd.service;

import javax.annotation.Resource;
import javax.validation.ConstraintViolation;
import net.thewaffleshop.passwd.api.AccountAPI;
import net.thewaffleshop.passwd.model.Account;
import net.thewaffleshop.passwd.model.repository.AccountRepository;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author Robert Hollencamp
 */
public class AccountService {
    @Resource
    private AccountAPI accountAPI;

    @Resource
    private AccountRepository accountRepository;

    private static final String FOO_BCRYPT = "$2a$10$SmxEATMonGqeN.wL/P/zMeJVHQiYkKMzhXJP6nqlS.M6zeKKcgt/O";

    @Transactional(readOnly = true)
    public Account authenticateUser(String userName, String password) throws AuthenticationException {
        Account account = accountRepository.findByUserName(userName);
        if (account == null) {
            // checking password takes a significant amount of time, so perform the check anyways to make this request about as
            // long as if an account did exist; this prevents timing attacks
            Account tmp = new Account();
            tmp.setPasswordHash(FOO_BCRYPT);
            accountAPI.checkPassword(tmp, "BAR");

            throw new UsernameNotFoundException("Authentication failed; check your username and password");
        }
        if (!accountAPI.checkPassword(account, password)) {
            throw new BadCredentialsException("Authentication failed; check your username and password");
        }
        return account;
    }

    @Transactional
    public Account createAccount(String userName, String password) {
        Account account = new Account();
        account.setUserName(userName);
        accountAPI.setPassword(account, password);
        accountAPI.setSecretKey(account, password);

        try {
            accountRepository.persist(account);
            return account;
        } catch (javax.validation.ConstraintViolationException e) {
            // @todo ability to throw all violations in one exception...ReportableFieldsException mebe?
            for (ConstraintViolation cv : e.getConstraintViolations()) {
                throw new ReportableFieldException(cv.getPropertyPath().toString(), cv.getMessage());
            }
            throw e;
        } catch (DataIntegrityViolationException e) {
            // determine if this was caused by username unique constraint
            Throwable cause = e.getCause();
            if (cause instanceof org.hibernate.exception.ConstraintViolationException) {
                org.hibernate.exception.ConstraintViolationException cve = (org.hibernate.exception.ConstraintViolationException) cause;
                if ("USERNAMEUNIQUE".equals(cve.getConstraintName())) {
                    throw new ReportableFieldException("userName", "User name already in use", e);
                }
            }
            throw e;
        }
    }
}