src/java/org/mxchange/jjobs/beans/user/confirmlink/JobsConfirmationLinkWebRequestBean.java

   1 /*
   2  * Copyright (C) 2016 - 2020 Free Software Foundation
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jjobs.beans.user.confirmlink;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Objects;
  21 import javax.ejb.EJB;
  22 import javax.enterprise.context.RequestScoped;
  23 import javax.enterprise.event.Event;
  24 import javax.enterprise.inject.Any;
  25 import javax.faces.FacesException;
  26 import javax.inject.Inject;
  27 import javax.inject.Named;
  28 import org.mxchange.jcoreee.events.helper.clear.HelperCleanupEvent;
  29 import org.mxchange.jcoreee.events.helper.clear.ObservableHelperCleanupEvent;
  30 import org.mxchange.jcoreee.utils.FacesUtils;
  31 import org.mxchange.jjobs.beans.BaseJobsBean;
  32 import org.mxchange.jjobs.beans.user.list.JobsUserListWebViewController;
  33 import org.mxchange.jusercore.events.user.created.CreatedUserEvent;
  34 import org.mxchange.jusercore.events.user.created.ObservableCreatedUserEvent;
  35 import org.mxchange.jusercore.exceptions.UserStatusConfirmedException;
  36 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
  37 import org.mxchange.jusercore.model.user.User;
  38 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  39 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  40 import org.mxchange.juserlogincore.events.confirmation.ObservableUserConfirmedAccountEvent;
  41 import org.mxchange.juserlogincore.events.confirmation.UserConfirmedAccountEvent;
  42
  43 /**
  44  * A web request bean for confirmation link handling
  45  * <p>
  46  * @author Roland Häder<roland@mxchange.org>
  47  */
  48 @Named ("userConfirmationLinkController")
  49 @RequestScoped
  50 public class JobsConfirmationLinkWebRequestBean extends BaseJobsBean implements JobsConfirmationLinkWebRequestController {
  51
  52         /**
  53          * Serial number
  54          */
  55         private static final long serialVersionUID = 57_637_182_796_370L;
  56
  57         /**
  58          * Event being fired when a bean helper should be cleaned
  59          */
  60         @Inject
  61         @Any
  62         private Event<ObservableHelperCleanupEvent> cleanHelperEvent;
  63
  64         /**
  65          * Confirmation key
  66          */
  67         private String confirmationKey;
  68
  69         /**
  70          * Remote user bean
  71          */
  72         @EJB (lookup = "java:global/jjobs-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote")
  73         private UserSessionBeanRemote userBean;
  74
  75         /**
  76          * Event being fired when a user has confirmed the account
  77          */
  78         @Inject
  79         @Any
  80         private Event<ObservableUserConfirmedAccountEvent> userConfirmedEvent;
  81
  82         /**
  83          * Event for when a user instance was created
  84          */
  85         @Any
  86         @Inject
  87         private Event<ObservableCreatedUserEvent> userCreatedEvent;
  88
  89         /**
  90          * User controller
  91          */
  92         @Inject
  93         private JobsUserListWebViewController userListController;
  94
  95         /**
  96          * Default constructor
  97          */
  98         public JobsConfirmationLinkWebRequestBean () {
  99                 // Call super constructor
 100                 super();
 101         }
 102
 103         @Override
 104         public String getConfirmationKey () {
 105                 return this.confirmationKey;
 106         }
 107
 108         @Override
 109         public void setConfirmationKey (final String confirmationKey) {
 110                 this.confirmationKey = confirmationKey;
 111         }
 112
 113         @Override
 114         public void maybeConfirmUserAccount () {
 115                 // Is the confirmation key set?
 116                 if (this.getConfirmationKey() == null) {
 117                         // May be null if not set
 118                         return;
 119                 } else if (this.getConfirmationKey().isEmpty()) {
 120                         // Is empty string
 121                         return;
 122                 }
 123
 124                 // Init instance
 125                 User user = null;
 126
 127                 // Then loop through all
 128                 for (final User currentUser : this.userListController.getAllUsers()) {
 129                         // Same confirmation key?
 130                         if (Objects.equals(this.getConfirmationKey(), currentUser.getUserConfirmKey())) {
 131                                 // Found it, then set it and abort loop
 132                                 user = currentUser;
 133                                 break;
 134                         }
 135                 }
 136
 137                 // Is the user instance null?
 138                 if ((null == user) || (user.getUserAccountStatus() != UserAccountStatus.UNCONFIRMED)) {
 139                         // Then clear this bean and the helper
 140                         this.cleanHelperEvent.fire(new HelperCleanupEvent());
 141                 } else {
 142                         // Try to confirm it
 143                         this.confirmUserAccount(user);
 144                 }
 145         }
 146
 147         /**
 148          * Tries to confirm the currently set user instance (in helper).
 149          * <p>
 150          * @param user User instance
 151          */
 152         private void confirmUserAccount (final User user) {
 153                 // Should be set
 154                 if (null == user) {
 155                         // Throw NPE
 156                         throw new NullPointerException("user is null"); //NOI18N
 157                 } else if (user.getUserId() == null) {
 158                         // Abort here
 159                         throw new NullPointerException("user.userId is null"); //NOI18N
 160                 } else if (user.getUserId() < 1) {
 161                         // Invalid number
 162                         throw new IllegalArgumentException(MessageFormat.format("userId is not valid: {0}", user.getUserId())); //NOI18N
 163                 } else if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
 164                         // Account is already confirmed
 165                         throw new FacesException(new UserStatusConfirmedException(user));
 166                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
 167                         // Account is already confirmed
 168                         throw new FacesException(new UserStatusLockedException(user));
 169                 } else if (user.getUserConfirmKey() == null) {
 170                         // Throw NPE
 171                         throw new NullPointerException("user.userConfirmKey is null"); //NOI18N
 172                 } else if (user.getUserConfirmKey().isEmpty()) {
 173                         // Is empty string
 174                         throw new IllegalArgumentException("user.userConfirmKey is empty"); //NOI18N
 175                 }
 176
 177                 // Updated user instance
 178                 final User updatedUser;
 179
 180                 try {
 181                         // Get base URL
 182                         final String baseUrl = FacesUtils.generateBaseUrl();
 183
 184                         // Confirm account
 185                         updatedUser = this.userBean.confirmAccount(user, baseUrl);
 186                 } catch (final UserStatusConfirmedException | UserStatusLockedException ex) {
 187                         // Something unexpected happened
 188                         throw new FacesException(MessageFormat.format("Cannot confirm user account {0}", user.getUserName()), ex); //NOI18N
 189                 }
 190
 191                 // Fire event that the user has confirmed account
 192                 this.userConfirmedEvent.fire(new UserConfirmedAccountEvent(updatedUser));
 193
 194                 // Fire event
 195                 this.userCreatedEvent.fire(new CreatedUserEvent(updatedUser));
 196         }
 197
 198 }