Java tutorial
/* * Copyright (c) 2011-2014 Alliance for Permanent Access (APA) and its * contributors. See the NOTICE file distributed with this work for additional * information regarding copyright ownership. * The APA licenses this file to You 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 eu.scidipes.toolkits.pawebapp.web; import java.security.Principal; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.crypto.password.PasswordEncoder; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; 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.SessionAttributes; import org.springframework.web.bind.support.SessionStatus; import org.springframework.web.servlet.mvc.support.RedirectAttributes; import eu.scidipes.toolkits.pawebapp.model.security.PasswordChange; import eu.scidipes.toolkits.pawebapp.model.security.User; import eu.scidipes.toolkits.pawebapp.repository.UserRepository; import eu.scidipes.toolkits.pawebapp.web.validation.PasswordChangeValidator; /** * {@link Controller} encapsulating non-administrative operations on PA users, e.g. changing password * * @author Tom Bunting * */ @Controller @SessionAttributes({ "user", "passwordChange" }) @RequestMapping("/user") public final class UserController { private static final Logger LOG = LoggerFactory.getLogger(UserController.class); @Autowired private UserRepository userRepo; @Autowired private PasswordEncoder passwordEncoder; @RequestMapping public String profile() { return "/users/profile"; } @RequestMapping(value = "/changepassword", method = RequestMethod.GET) public String changePassword(final Model model) { model.addAttribute("passwordChange", new PasswordChange()); return "/users/changepassword"; } @RequestMapping(value = "/changepassword", method = RequestMethod.POST) public String saveChangePassword(@ModelAttribute final PasswordChange passwordChange, final BindingResult result, final SessionStatus status, final RedirectAttributes redirectAttrs, final Principal principal) { final User user = userRepo.findOne(principal.getName()); new PasswordChangeValidator(user, passwordEncoder).validate(passwordChange, result); if (result.hasErrors()) { return "/users/changepassword"; } final String encodedNewPassword = passwordEncoder.encode(passwordChange.getNewPassword()); if (user != null) { user.setPassword(encodedNewPassword); userRepo.save(user); LOG.debug("Changed password for user: {}", user.getUsername()); } else { return "redirect:/logout"; } status.setComplete(); redirectAttrs.addFlashAttribute("msgKey", "users.changepassword.success"); return "redirect:/user/"; } }