com.klm.workshop.controller.AuthController.java Source code

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/*
 * The MIT License
 *
 * Copyright 2015 Tijme Gommers <t.gommers@jetcat.nl>.
 *
 * 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 com.klm.workshop.controller;

import com.klm.workshop.dao.UserDAO;
import com.klm.workshop.helper.PasswordHasher;
import com.klm.workshop.model.User;
import com.klm.workshop.validator.SignUpValidator;
import java.util.Locale;
import javax.validation.Valid;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.MessageSource;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

/**
 * Authentication controller
 * 
 * @author Tijme Gommers <t.gommers@jetcat.nl>
 */
@Controller("authController")
@RequestMapping(value = "/auth")
public class AuthController {

    /**
     * User data access object
     */
    @Autowired
    UserDAO userDAO;

    /**
     * Translations
     */
    @Autowired
    private MessageSource messageSource;

    /**
     * Lets anonymous clients sign in
     * 
     * @param model Autowired model and view
     * @param error Login error cause
     * @return Sign in view with the sign in error, if set
     */
    @RequestMapping(value = "/sign-in", method = RequestMethod.GET)
    public ModelAndView getSignIn(ModelAndView model,
            @RequestParam(value = "error", required = false, defaultValue = "") String error) {
        model.setViewName("auth/sign_in");
        model.getModelMap().addAttribute("error", error);
        model.getModelMap().addAttribute("user", new User());
        return model;
    }

    /**
     * Lets anonymous clients sign up
     * 
     * @param model Autowired model and view
     * @return Sign up view
     */
    @RequestMapping(value = "/sign-up", method = RequestMethod.GET)
    public ModelAndView getSignUp(ModelAndView model) {
        model.setViewName("auth/sign_up");
        model.getModelMap().addAttribute("account", new SignUpValidator());
        return model;
    }

    /**
     * Sign up client, and show the sign up form. On error, show errors. On
     * success, redirect to the sign in page and show success message.
     * 
     * @param model Objects and view
     * @param account The posted account
     * @param result Binded validation
     * @param redirect The redirect attributes
     * @param locale The current client locale
     * @return Form to sign up, or a redirect (if client was sign up successfully)
     */
    @RequestMapping(value = "/sign-up", method = RequestMethod.POST)
    public ModelAndView postCreate(ModelAndView model, @ModelAttribute("account") @Valid SignUpValidator account,
            BindingResult result, RedirectAttributes redirect, Locale locale) {
        if (result.hasErrors()) {
            model.setViewName("auth/sign_up");
        } else {
            String password = PasswordHasher.hash(account.getPassword());

            User user = new User();
            user.setFirstName(account.getFirstName());
            user.setLastName(account.getLastName());
            user.setEmail(account.getEmail());
            user.setPassword(password);
            user.setRole(User.Role.ROLE_PARTICIPANT);
            user.setEnabled(true);

            userDAO.create(user);

            String success = messageSource.getMessage("auth.message_sign_up_success", null, locale);

            redirect.addFlashAttribute("alertSuccess", success);
            model.setViewName("redirect:/auth/sign-in");
        }

        return model;
    }

}