src/java/org/mxchange/jjobs/beans/login/JobsUserLoginWebSessionBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   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.login;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Collections;
  21 import java.util.List;
  22 import java.util.Objects;
  23 import javax.enterprise.context.SessionScoped;
  24 import javax.enterprise.event.Event;
  25 import javax.enterprise.event.Observes;
  26 import javax.enterprise.inject.Any;
  27 import javax.faces.context.FacesContext;
  28 import javax.faces.view.facelets.FaceletException;
  29 import javax.inject.Inject;
  30 import javax.inject.Named;
  31 import javax.naming.Context;
  32 import javax.naming.InitialContext;
  33 import javax.naming.NamingException;
  34 import org.mxchange.jjobs.beans.BaseJobsController;
  35 import org.mxchange.jjobs.beans.user.JobsUserWebSessionController;
  36 import org.mxchange.jusercore.container.login.LoginContainer;
  37 import org.mxchange.jusercore.container.login.UserLoginContainer;
  38 import org.mxchange.jusercore.events.login.UserLoggedInEvent;
  39 import org.mxchange.jusercore.events.login.UserLoginEvent;
  40 import org.mxchange.jusercore.events.logout.ObserveableUserLogoutEvent;
  41 import org.mxchange.jusercore.events.logout.UserLogoutEvent;
  42 import org.mxchange.jusercore.events.user.password_change.UpdatedUserPasswordEvent;
  43 import org.mxchange.jusercore.exceptions.UserNotFoundException;
  44 import org.mxchange.jusercore.exceptions.UserPasswordMismatchException;
  45 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
  46 import org.mxchange.jusercore.exceptions.UserStatusUnconfirmedException;
  47 import org.mxchange.jusercore.model.login.UserLoginSessionBeanRemote;
  48 import org.mxchange.jusercore.model.user.User;
  49 import org.mxchange.jusercore.model.user.UserUtils;
  50 import org.mxchange.jusercore.model.user.password_history.PasswordHistory;
  51 import org.mxchange.jusercore.model.user.password_history.UserPasswordHistorySessionBeanRemote;
  52 import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
  53 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  54
  55 /**
  56  * A web bean for user registration
  57  * <p>
  58  * @author Roland Haeder<roland@mxchange.org>
  59  */
  60 @Named ("loginController")
  61 @SessionScoped
  62 public class JobsUserLoginWebSessionBean extends BaseJobsController implements JobsUserLoginWebSessionController {
  63
  64         /**
  65          * Path name for guest base template
  66          */
  67         private static final String GUEST_BASE_TEMPLATE_NAME = "guest/guest";
  68
  69         /**
  70          * Path name for logged-in user base template
  71          */
  72         private static final String USER_BASE_TEMPLATE_NAME = "login/user/user";
  73
  74         /**
  75          * Serial number
  76          */
  77         private static final long serialVersionUID = 47_828_986_719_691_592L;
  78
  79         /**
  80          * Template type for pages that might be displayed in guest area and login
  81          * area.
  82          */
  83         private String baseTemplatePathName;
  84
  85         /**
  86          * Current password
  87          */
  88         private String currentPassword;
  89
  90         /**
  91          * Logged-in user instance
  92          */
  93         private User loggedInUser;
  94
  95         /**
  96          * Remote register session bean
  97          */
  98         private UserLoginSessionBeanRemote loginBean;
  99
 100         /**
 101          * Event fired when user has logged in
 102          */
 103         @Inject
 104         @Any
 105         private Event<UserLoggedInEvent> loginEvent;
 106
 107         /**
 108          * User controller
 109          */
 110         @Inject
 111         private JobsUserWebSessionController userController;
 112
 113         /**
 114          * Flag whether the user has logged-in, set only from inside
 115          */
 116         private boolean userLoggedIn;
 117
 118         /**
 119          * Event fired when user has logged in
 120          */
 121         @Inject
 122         @Any
 123         private Event<UserLoggedInEvent> userLoginEvent;
 124
 125         /**
 126          * Event fired when user has logged out
 127          */
 128         @Inject
 129         @Any
 130         private Event<ObserveableUserLogoutEvent> userLogoutEvent;
 131
 132         /**
 133          * User's password history
 134          */
 135         private List<PasswordHistory> userPasswordHistory;
 136
 137         /**
 138          * EJB for user's password history
 139          */
 140         private UserPasswordHistorySessionBeanRemote userPasswordHistoryBean;
 141
 142         /**
 143          * Default constructor
 144          */
 145         public JobsUserLoginWebSessionBean () {
 146                 try {
 147                         // Get initial context
 148                         Context context = new InitialContext();
 149
 150                         // Try to lookup
 151                         this.loginBean = (UserLoginSessionBeanRemote) context.lookup("java:global/addressbook-ejb/login!org.mxchange.jusercore.model.login.UserLoginSessionBeanRemote"); //NOI18N
 152
 153                         // Also find this
 154                         this.userPasswordHistoryBean = (UserPasswordHistorySessionBeanRemote) context.lookup(""); //NOI18N
 155
 156                         // Defaul template is guest
 157                         this.baseTemplatePathName = GUEST_BASE_TEMPLATE_NAME;
 158                 } catch (final NamingException ex) {
 159                         // Continue to throw
 160                         throw new FaceletException(ex);
 161                 }
 162         }
 163
 164         @Override
 165         public void afterUserUpdatedPasswordEvent (@Observes final UpdatedUserPasswordEvent event) {
 166                 // Check parameter
 167                 if (null == event) {
 168                         // Throw NPE
 169                         throw new NullPointerException("event is null"); //NOI18N
 170                 } else if (event.getPasswordHistory() == null) {
 171                         // Throw NPE again
 172                         throw new NullPointerException("event.passwordHistory is null"); //NOI18N
 173                 } else if (event.getPasswordHistory().getUserPasswordHistoryId() == null) {
 174                         // ... and again
 175                         throw new NullPointerException("event.passwordHistory.userPasswordHistoryId is null"); //NOI18N
 176                 } else if (event.getPasswordHistory().getUserPasswordHistoryId() < 1) {
 177                         // Invalid value
 178                         throw new IllegalArgumentException(MessageFormat.format("event.passwordHistory.userPasswordHistoryId={0} is in valid", event.getPasswordHistory().getUserPasswordHistoryId())); //NOI18N
 179                 }
 180
 181                 // All fine, so update list
 182                 this.updatePasswordHistory(event.getPasswordHistory());
 183         }
 184
 185         @Override
 186         public String doAdminLogout () {
 187                 // Is a user logged-in?
 188                 if (this.isUserLoggedIn()) {
 189                         // Call other logout
 190                         return this.doUserLogout();
 191                 }
 192
 193                 // Invalidate session
 194                 FacesContext.getCurrentInstance().getExternalContext().invalidateSession();
 195
 196                 // Set template type to guest
 197                 this.setBaseTemplatePathName(GUEST_BASE_TEMPLATE_NAME); //NOI18N
 198
 199                 // Redirect to index
 200                 return "index?faces-redirect=true"; //NOI18N
 201         }
 202
 203         @Override
 204         public String doUserLogin () {
 205                 // Get user instance
 206                 User user = this.userController.createUserLogin();
 207
 208                 // Create login container
 209                 LoginContainer container = new UserLoginContainer(user, this.userController.getUserPassword());
 210
 211                 try {
 212                         // Call bean
 213                         User confirmedUser = this.loginBean.validateUserAccountStatus(container);
 214
 215                         // All fine here so set it here
 216                         this.setLoggedInUser(confirmedUser);
 217
 218                         // Retrieve user's password list
 219                         this.userPasswordHistory = this.userPasswordHistoryBean.getUserPasswordHistory(confirmedUser);
 220
 221                         // Set template to "login"
 222                         this.setBaseTemplatePathName(USER_BASE_TEMPLATE_NAME); //NOI18N
 223
 224                         // Fire event away. Keep this last before return statement.
 225                         this.userLoginEvent.fire(new UserLoginEvent(confirmedUser));
 226
 227                         // Clear this bean
 228                         this.clear();
 229
 230                         // All fine
 231                         return "login"; //NOI18N
 232                 } catch (final UserNotFoundException | UserStatusLockedException | UserStatusUnconfirmedException ex) {
 233                         // Show JSF message
 234                         this.showFacesMessage("form_user_login:userName", ex); //NOI18N
 235                         return ""; //NOI18N
 236                 } catch (final UserPasswordMismatchException ex) {
 237                         // Show JSF message
 238                         this.showFacesMessage("form_user_login:userPassword", ex); //NOI18N
 239                         return ""; //NOI18N
 240                 }
 241         }
 242
 243         @Override
 244         public String doUserLogout () {
 245                 // Is loggedInUser set?
 246                 if (this.getLoggedInUser() == null) {
 247                         // Throw NPE
 248                         throw new NullPointerException("this.loggedInUser is null"); //NOI18N
 249                 } else if (this.getLoggedInUser().getUserId() == null) {
 250                         // Throw again
 251                         throw new NullPointerException("this.loggedInUser.userId is null"); //NOI18N
 252                 } else if (this.getLoggedInUser().getUserId() < 1) {
 253                         // Invalid user id
 254                         throw new IllegalStateException(MessageFormat.format("this.loggedInUser.userId={0} is not valid.", this.getLoggedInUser().getUserId())); //NOI18N
 255                 }
 256
 257                 // Fire event
 258                 this.userLogoutEvent.fire(new UserLogoutEvent(this.getLoggedInUser()));
 259
 260                 // Invalidate session
 261                 FacesContext.getCurrentInstance().getExternalContext().invalidateSession();
 262
 263                 // Unset any user instances
 264                 this.setLoggedInUser(null);
 265                 this.setBaseTemplatePathName(GUEST_BASE_TEMPLATE_NAME); //NOI18N
 266
 267                 // Redirect to index
 268                 return "index"; //NOI18N
 269         }
 270
 271         @Override
 272         public String getBaseTemplatePathName () {
 273                 return this.baseTemplatePathName;
 274         }
 275
 276         @Override
 277         public void setBaseTemplatePathName (final String baseTemplatePathName) {
 278                 this.baseTemplatePathName = baseTemplatePathName;
 279         }
 280
 281         @Override
 282         public String getCurrentPassword () {
 283                 return this.currentPassword;
 284         }
 285
 286         @Override
 287         public void setCurrentPassword (final String currentPassword) {
 288                 this.currentPassword = currentPassword;
 289         }
 290
 291         @Override
 292         public User getLoggedInUser () {
 293                 return this.loggedInUser;
 294         }
 295
 296         @Override
 297         public void setLoggedInUser (final User loggedInUser) {
 298                 this.loggedInUser = loggedInUser;
 299         }
 300
 301         @Override
 302         public List<PasswordHistory> getUserPasswordHistory () {
 303                 return Collections.unmodifiableList(this.userPasswordHistory);
 304         }
 305
 306         @Override
 307         public boolean ifCurrentPasswordMatches () {
 308                 // The current password must be set and not empty
 309                 if (this.getCurrentPassword() == null) {
 310                         // Is not set
 311                         throw new NullPointerException("this.currentPassword is null"); //NOI18N
 312                 } else if (this.getCurrentPassword().isEmpty()) {
 313                         // Is set empty
 314                         throw new IllegalStateException("this.currentPassword is empty."); //NOI18N
 315                 }
 316
 317                 // Create "container"
 318                 LoginContainer container = new UserLoginContainer(this.getLoggedInUser(), this.getCurrentPassword());
 319
 320                 // Now check if it matches
 321                 return UserUtils.ifPasswordMatches(container, this.getLoggedInUser());
 322         }
 323
 324         @Override
 325         public boolean ifUserMustChangePassword () {
 326                 return (this.isUserLoggedIn() && this.getLoggedInUser().getUserMustChangePassword());
 327         }
 328
 329         @Override
 330         public boolean isInvisible () {
 331                 // Check on login
 332                 if (!this.isUserLoggedIn()) {
 333                         // Not logged in!
 334                         throw new IllegalStateException("isInvisible() has been invoked for a guest."); //NOI18N
 335                 }
 336
 337                 // Check logged-in first, then invisibility
 338                 return this.getLoggedInUser().getUserProfileMode().equals(ProfileMode.INVISIBLE);
 339         }
 340
 341         @Override
 342         public boolean isPasswordInHistory (final String userPassword) {
 343                 // Default is not found
 344                 boolean isPasswordInHistory = false;
 345
 346                 // Init variables
 347                 int count = 1;
 348                 int maxEntries = this.getIntegerContextParameter("max_user_password_history"); //NOI18N
 349
 350                 // Check all passwords
 351                 for (final PasswordHistory entry : this.getUserPasswordHistory()) {
 352                         // Is password the same?
 353                         if (UserUtils.ifPasswordMatches(userPassword, entry.getUserPasswordHistoryUser())) {
 354                                 // Yes, found it
 355                                 isPasswordInHistory = true;
 356                                 break;
 357                         } else if (count == maxEntries) {
 358                                 // Maximum reached
 359                                 break;
 360                         }
 361
 362                         // Count up
 363                         count++;
 364                 }
 365
 366                 // Return status
 367                 return isPasswordInHistory;
 368         }
 369
 370         @Override
 371         public boolean isUserLoggedIn () {
 372                 // Compare instance
 373                 this.userLoggedIn = ((this.getLoggedInUser() instanceof User) && (Objects.equals(this.getLoggedInUser().getUserAccountStatus(), UserAccountStatus.CONFIRMED)));
 374
 375                 // Return it
 376                 return this.userLoggedIn;
 377         }
 378
 379         /**
 380          * Clears this bean
 381          */
 382         private void clear () {
 383                 // Clear all fields
 384                 this.setCurrentPassword(null);
 385         }
 386
 387         /**
 388          * Updates password history by adding given entry to it as long as it is not
 389          * there.
 390          * <p>
 391          * @param passwordHistory Password history entry
 392          */
 393         private void updatePasswordHistory (final PasswordHistory passwordHistory) {
 394                 if (null == passwordHistory) {
 395                         // Throw NPE
 396                         throw new NullPointerException("passwordHistory is null"); //NOI18N
 397                 } else if (passwordHistory.getUserPasswordHistoryId() == null) {
 398                         // Throw NPE again
 399                         throw new NullPointerException("passwordHistory.userPasswordHistoryId is null"); //NOI18N
 400                 } else if (passwordHistory.getUserPasswordHistoryId() < 1) {
 401                         // Invalid id
 402                         throw new IllegalArgumentException(MessageFormat.format("passwordHistory.userPasswordHistoryId={0} is not valid.", passwordHistory.getUserPasswordHistoryId())); //NOI18N
 403                 }
 404
 405                 // Is it there?
 406                 if (this.userPasswordHistory.contains(passwordHistory)) {
 407                         // Excact copy found
 408                         return;
 409                 }
 410
 411                 // Check all entries
 412                 for (final PasswordHistory entry : this.userPasswordHistory) {
 413                         // Is same id number?
 414                         if (Objects.equals(entry.getUserPasswordHistoryId(), passwordHistory.getUserPasswordHistoryId())) {
 415                                 // Found it
 416                                 return;
 417                         }
 418                 }
 419
 420                 // Not found, so add it
 421                 this.userPasswordHistory.add(passwordHistory);
 422         }
 423
 424 }