+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 Roland Häder
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package org.mxchange.jusercore.model.user.email_address;
-
-import java.text.MessageFormat;
-import java.util.GregorianCalendar;
-import java.util.List;
-import javax.ejb.EJB;
-import javax.ejb.EJBException;
-import javax.ejb.Stateless;
-import javax.persistence.NoResultException;
-import javax.persistence.Query;
-import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
-import org.mxchange.jusercore.model.email_address.ChangeableEmailAddress;
-import org.mxchange.jusercore.model.email_address.EmailAddressChange;
-import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
-import org.mxchange.jusercore.model.user.UserUtils;
-
-/**
- * A session-scoped bean for changing email addresses
- * <p>
- * @author Roland Häder<roland@mxchange.org>
- */
-@Stateless (name = "userEmailChange", description = "A bean handling user email changes")
-public class AddressbookUserEmailChangeSessionBean extends BaseAddressbookDatabaseBean implements UserEmailChangeSessionBeanRemote {
-
- /**
- * Serial number
- */
- private static final long serialVersionUID = 182_698_165_971_548L;
-
- /**
- * User bean
- */
- @EJB
- private UserSessionBeanRemote userBean;
-
- /**
- * Default constructor
- */
- public AddressbookUserEmailChangeSessionBean () {
- // Call super constructor
- super("jms/addressbook-queue-factory", "jms/addressbook-email-queue"); //NOI18N
- }
-
- @Override
- @SuppressWarnings ("unchecked")
- public List<String> allQueuedAddresses () {
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allQueuedAddresses: CALLED!", this.getClass().getSimpleName())); //NOI18N
-
- // Get named query
- Query query = this.getEntityManager().createNamedQuery("AllEmailAddressChanges", String.class); //NOI18N
-
- // Get all entries
- List<String> emailAddresses = query.getResultList();
-
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allQueuedAddresses: emailAddresses.size()={1} - EXIT!", this.getClass().getSimpleName(), emailAddresses.size())); //NOI18N
-
- // Return it
- return emailAddresses;
- }
-
- @Override
- public void enqueueEmailAddressForChange (final ChangeableEmailAddress emailChange, final String baseUrl) {
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.enqueueEmailAddressForChange: emailChange={1},baseUrl={2} - CALLED!", this.getClass().getSimpleName(), emailChange, baseUrl)); //NOI18N
-
- // Email address change should be valid
- if (null == emailChange) {
- // Abort here
- throw new NullPointerException("emailChange is null"); //NOI18N
- } else if (emailChange.getEmailChangeUser() == null) {
- // Throw NPE again
- throw new NullPointerException("emailChange.emailChangeUser is null"); //NOI18N
- } else if (emailChange.getEmailChangeUser().getUserId() == null) {
- // Throw NPE again
- throw new NullPointerException("emailChange.emailChangeUser.userId is null"); //NOI18N
- } else if (emailChange.getEmailChangeUser().getUserId() < 1) {
- // Not valid id
- throw new IllegalArgumentException(MessageFormat.format("emailChange.emailChangeUser.userId={0} is invalid.", emailChange.getEmailChangeUser().getUserId())); //NOI18N
- } else if (!this.userBean.ifUserExists(emailChange.getEmailChangeUser())) {
- // User does not exist
- throw new EJBException(MessageFormat.format("Email change with id {0} does not exist.", emailChange.getEmailChangeId())); //NOI18N
- } else if (emailChange.getEmailAddress().trim().isEmpty()) {
- // Email address is empty
- throw new IllegalArgumentException("emailChange.emaiLAddress is empty."); //NOI18N
- } else if (this.isEmailAddressEnqueued(emailChange.getEmailAddress())) {
- // Email address is already enqueued
- throw new EJBException(MessageFormat.format("Email address {0} is already enqueued.", emailChange.getEmailAddress())); //NOI18N
- }
-
- // The email change is not (yet) there, add secure hash and "created" timestamp
- emailChange.setEmailChangeCreated(new GregorianCalendar());
- this.generateSecureHash(emailChange);
-
- // Persist it
- //@TODO Fix email delivery then allow this: this.getEntityManager().persist(emailChange);
-
- // Send email
- this.sendEmail("User email change", "user_email_change", emailChange.getEmailChangeUser(), baseUrl, null); //NOI18N
-
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.enqueueEmailAddressForChange - EXIT!", this.getClass().getSimpleName())); //NOI18N
- }
-
- @Override
- public boolean isEmailAddressEnqueued (final String emailAddress) {
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isEmailAddressEnqueued: emailAddress={1} - CALLED!", this.getClass().getSimpleName(), emailAddress)); //NOI18N
-
- // Create query instance
- Query query = this.getEntityManager().createNamedQuery("SearchEmailChangeByEmail"); //NOI18N
-
- // Add email address as parameter
- query.setParameter("email", emailAddress); //NOI18N
-
- // Initialize variable
- boolean isFound = false;
-
- // Try it
- try {
- // Try to get single result
- ChangeableEmailAddress dummy = (ChangeableEmailAddress) query.getSingleResult();
-
- // Found it
- isFound = true;
- } catch (final NoResultException ex) {
- // Log it
- this.getLoggerBeanLocal().logException(ex);
- }
-
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isEmailAddressEnqueued: isFound={1} - EXIT!", this.getClass().getSimpleName(), isFound)); //NOI18N
-
- // Return it
- return isFound;
- }
-
- @Override
- public void updateEmailAddress (final ChangeableEmailAddress emailAddress) {
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.updateEmailAddress: emailAddress={1} - CALLED!", this.getClass().getSimpleName(), emailAddress)); //NOI18N
-
- // Email address change should be valid
- if (null == emailAddress) {
- // Abort here
- throw new NullPointerException("emailAddress is null"); //NOI18N
- } else if (emailAddress.getEmailChangeId() == null) {
- // Throw NPE again
- throw new NullPointerException("emailAddress.emailChangeId is null"); //NOI18N
- } else if (emailAddress.getEmailChangeId() < 1) {
- // Not valid
- throw new IllegalArgumentException(MessageFormat.format("emailAddress.emailChangeId={0} is not valid.", emailAddress.getEmailChangeId())); //NOI18N
- } else if (emailAddress.getEmailAddress().trim().isEmpty()) {
- // Email address is empty
- throw new IllegalArgumentException("emailAddress.emaiLAddress is empty."); //NOI18N
- } else if (!this.userBean.ifUserExists(emailAddress.getEmailChangeUser())) {
- // User does not exist
- throw new EJBException(MessageFormat.format("Email change with id {0} does not exist.", emailAddress.getEmailChangeId())); //NOI18N
- } else if (!this.isEmailAddressEnqueued(emailAddress.getEmailAddress())) {
- // Email address is not enqueued
- throw new EJBException(MessageFormat.format("Email address {0} is not enqueued.", emailAddress.getEmailAddress())); //NOI18N
- }
-
- throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
- }
-
- /**
- * Generates a secure, unique hash for given email address change. This
- * requires to check if the hash is really not there.
- * <p>
- * @param emailAddress Email address change
- */
- private void generateSecureHash (final ChangeableEmailAddress emailAddress) {
- // Email address change should be valid
- if (null == emailAddress) {
- // Abort here
- throw new NullPointerException("emailAddress is null"); //NOI18N
- } else if (emailAddress.getEmailAddress().trim().isEmpty()) {
- // Email address is empty
- throw new IllegalArgumentException("emailAddress.emaiLAddress is empty."); //NOI18N
- }
-
- // Initialize loop with null
- String hash = null;
-
- // Default is not used
- boolean isUsed = true;
-
- // Search for free hash
- while (isUsed) {
- // Generate hash, there is already in UserUtils a nice method that can be used for this purpose.
- hash = UserUtils.encryptPassword(String.format("%s:%s", emailAddress.getEmailAddress(), emailAddress.toString())); //NOI18N
-
- // The hash *may* be unique, better test it
- Query query = this.getEntityManager().createNamedQuery("SearchEmailChangeByHash", EmailAddressChange.class); //NOI18N
-
- // Set hash as parameter
- query.setParameter("hash", hash); //NOI18N
-
- // Try to get single result
- try {
- // Get single result
- ChangeableEmailAddress dummy = (ChangeableEmailAddress) query.getSingleResult();
- } catch (final NoResultException ex) {
- // Not found
- isUsed = false;
- }
- }
-
- // hash should not be null and set
- assert (hash != null) : "hash is null"; //NOI18N
- assert (!hash.isEmpty()) : "hash is empty"; //NOI18N
-
- // Set it in email change
- emailAddress.setEmailChangeHash(hash);
- }
-
-}
projects / addressbook-mailer-ejb.git / blobdiff