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package eu.dnetlib.goldoa.service;
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import eu.dnetlib.goldoa.domain.*;
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import eu.dnetlib.goldoa.service.dao.UserDAO;
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import eu.dnetlib.goldoa.service.utils.EmailUtils;
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import org.apache.commons.codec.digest.DigestUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.mail.MessagingException;
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import java.math.BigInteger;
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import java.nio.charset.Charset;
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import java.security.SecureRandom;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import java.util.concurrent.ExecutorService;
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//import eu.dnetlib.goldoa.service.utils.EmailUtils;
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/**
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* Created by antleb on 3/4/15.
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*/
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@Service("userManager")
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@Transactional
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public class UserManagerImpl implements UserManager {
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@Autowired
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private UserDAO userDAO;
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@Autowired
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private EmailUtils emailUtils;
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@Autowired
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ExecutorService executorService;
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private int tokenTTL = 30;
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private Log log = LogFactory.getLog(UserManagerImpl.class);
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public static int generateId(Affiliation affiliation) {
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StringBuilder sb = new StringBuilder();
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if (affiliation.getUsers().get(0) != null)
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sb.append(affiliation.getUsers().get(0).getId());
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if (affiliation.getOrganization() != null)
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sb.append(affiliation.getOrganization().getId());
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return DigestUtils.md5Hex(sb.toString()).hashCode();
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}
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@Override
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public User getById(String personId) throws PersonManagerException {
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return userDAO.getUserById(personId);
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}
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@Override
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public User getByEmail(final String email) throws PersonManagerException {
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User user = userDAO.getUserByEmail(email);
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if(user == null)
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throw new PersonManagerException(PersonManagerException.ErrorCause.NOT_EXISTS);
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return user;
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}
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@Override
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// register or update
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public User saveUser(final User user) throws PersonManagerException {
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final List<UserRole> previousRoles;
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if (user.getId() == null) {
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user.setId(generateId(user));
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user.setSource("portal");
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previousRoles = new ArrayList<UserRole>();
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} else {
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previousRoles = user.getRoles();
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}
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userDAO.saveUser(user);
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final List<User> moderators = userDAO.getModerators();
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executorService.submit(new Runnable() {
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@Override
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public void run() {
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try {
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List<Role> roles = new ArrayList<>();
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for (UserRole pRole : user.getRoles()) {
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//!previousRoles.contains(pRole) &&
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if ( !pRole.isApproved())
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roles.add(pRole.getPk().getRole());
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}
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if (roles.size() > 0) {
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emailUtils.sendUserRoleRequestedEmail(user, roles);
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for (User moderator : moderators)
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emailUtils.sendModeratorRoleRequestedEmail(moderator, user, roles);
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}
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} catch (MessagingException e) {
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e.printStackTrace();
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}
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}
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});
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return user;
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}
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@Override
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public void register(final User user) throws PersonManagerException {
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final String token = UUID.randomUUID().toString();
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try {
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User u = userDAO.getUserByEmail(user.getEmail());
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if (u != null)
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throw new PersonManagerException(PersonManagerException.ErrorCause.ALREADY_EXISTS);
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} catch (PersonManagerException e) {
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throw e;
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} catch (RuntimeException e) {
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e.printStackTrace();
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throw e;
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}
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user.setPassword(org.springframework.util.DigestUtils.md5DigestAsHex( user.getPassword().getBytes(Charset.forName("UTF-8"))));
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this.saveUser(user);
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userDAO.saveToken(user.getEmail(), token, tokenTTL);
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executorService.submit(new Runnable() {
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@Override
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public void run() {
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try {
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emailUtils.sendActivationEmail(user, token);
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} catch (MessagingException e) {
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e.printStackTrace();
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}
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}
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});
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}
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@Override
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public User login(String email, String password) throws PersonManagerException {
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try {
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if (userDAO.verifyLogin(email, password)) {
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User user = getByEmail(email);
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if (user.isActive()) {
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return user;
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}
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else
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throw new PersonManagerException(PersonManagerException.ErrorCause.NOT_ACTIVATED);
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} else {
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throw new PersonManagerException(PersonManagerException.ErrorCause.WRONG_EMAIL_OR_PASSWORD);
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}
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} catch (PersonManagerException e) {
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throw e;
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} catch (Exception e) {
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log.error("Error logging in", e);
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}
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return null;
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}
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@Override
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public User activate(final String email, final String token) throws PersonManagerException {
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if (!userDAO.verifyToken(email, token))
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throw new PersonManagerException(PersonManagerException.ErrorCause.NOT_EXISTS);
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else {
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User user = userDAO.getUserByEmail(email);
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userDAO.activateUser(user.getEmail());
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userDAO.deleteToken(user.getEmail(), token);
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}
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return getByEmail(email);
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}
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@Override
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public void resetPassword(final String email) throws PersonManagerException {
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SecureRandom random = new SecureRandom();
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final String newPassword = new BigInteger(50, random).toString(32);
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if (!userDAO.updatePassword(newPassword, email)) {
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throw new PersonManagerException(PersonManagerException.ErrorCause.NOT_EXISTS);
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}
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final User user = userDAO.getUserByEmail(email);
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executorService.submit(new Runnable() {
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@Override
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public void run() {
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try {
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emailUtils.sendResetPasswordEmail(user, newPassword);
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} catch (MessagingException e) {
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e.printStackTrace();
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}
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}
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});
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}
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@Override
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public List<Role> getRoles() {
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return userDAO.getRoles();
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}
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@Override
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public List<User> getModerators() {
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return userDAO.getModerators();
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}
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@Override
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public List<User> getAccountingOfficers() {
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return userDAO.getAccountingOfficers();
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}
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@Override
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public void activateUser(String email) {
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userDAO.activateUser(email);
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}
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@Override
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public void activateUsers(List<String> emails) {
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for (String email : emails) {
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userDAO.activateUser(email);
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}
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}
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@Override
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public void deactivateUser(String email) {
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userDAO.deactivateUser(email);
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}
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@Override
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public void deactivateUsers(List<String> emails) {
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for (String email : emails) {
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userDAO.deactivateUser(email);
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}
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}
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@Override
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public void acceptUserRole(final String email, final String roleId) {
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userDAO.acceptUserRole(email, roleId);
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final User user = userDAO.getUserByEmail(email);
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final Role role = userDAO.getRole(roleId);
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final List<User> moderators = getModerators();
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executorService.submit(new Runnable() {
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@Override
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public void run() {
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try {
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emailUtils.sendUserRoleAcceptedEmail(user, role);
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for (User moderator : moderators)
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emailUtils.sendModeratorRoleAcceptedEmail(moderator, user, role);
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} catch (MessagingException e) {
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e.printStackTrace();
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}
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}
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});
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}
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@Override
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public void rejectRole(final String email, final String roleId) {
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userDAO.rejectUserRole(email, roleId);
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final User user = userDAO.getUserByEmail(email);
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final Role role = getRole(roleId);
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final List<User> moderators = getModerators();
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executorService.submit(new Runnable() {
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@Override
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public void run() {
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try {
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emailUtils.sendUserRoleRejectedEmail(user, role);
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for (User moderator : moderators)
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emailUtils.sendModeratorRoleRejectedEmail(moderator, user, role);
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} catch (MessagingException e) {
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e.printStackTrace();
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}
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}
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});
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}
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@Override
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public List<User> getUsers() {
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return userDAO.getUsers();
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}
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@Override
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public String generateId(User user) {
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StringBuilder sb = new StringBuilder();
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sb.append(user.getFirstname()).append(user.getLastname()).append(user.getEmail());
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return "portal::" + DigestUtils.md5Hex(sb.toString());
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}
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public int getTokenTTL() {
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return tokenTTL;
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}
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public void setTokenTTL(int tokenTTL) {
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this.tokenTTL = tokenTTL;
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}
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@Override
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public Role getRole(String roleId){
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return userDAO.getRole(roleId);
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}
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@Override
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public List<Role> getUserRoles(String email){
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return userDAO.getUserRoles(email);
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}
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}
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