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

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

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/*
 * Copyright 2014-2015 the original author or authors.
 *
 * 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.
 */
package net.thewaffleshop.nimbus.service;

import javax.annotation.Resource;
import javax.validation.ConstraintViolation;
import net.thewaffleshop.nimbus.api.AccountAPI;
import net.thewaffleshop.nimbus.domain.Account;
import net.thewaffleshop.nimbus.domain.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.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author rhollencamp
 */
@Component
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 {
            return accountRepository.save(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;
        }
    }
}