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1 /*
2  * Copyright (C) 2016 Roland Häder
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;
18
19 import java.text.MessageFormat;
20 import java.util.Objects;
21 import javax.enterprise.context.RequestScoped;
22 import javax.enterprise.event.Event;
23 import javax.enterprise.event.Observes;
24 import javax.enterprise.inject.Any;
25 import javax.faces.FacesException;
26 import javax.faces.view.facelets.FaceletException;
27 import javax.inject.Inject;
28 import javax.inject.Named;
29 import javax.naming.Context;
30 import javax.naming.InitialContext;
31 import javax.naming.NamingException;
32 import org.mxchange.jcontacts.contact.Contact;
33 import org.mxchange.jcoreee.utils.FacesUtils;
34 import org.mxchange.jjobs.beans.BaseJobsController;
35 import org.mxchange.jjobs.beans.contact.JobsAdminContactWebRequestController;
36 import org.mxchange.jjobs.beans.contact.JobsContactWebSessionController;
37 import org.mxchange.jjobs.beans.helper.JobsWebRequestHelperController;
38 import org.mxchange.jjobs.beans.localization.JobsLocalizationSessionController;
39 import org.mxchange.jusercore.container.login.UserLoginContainer;
40 import org.mxchange.jusercore.events.registration.ObservableUserRegisteredEvent;
41 import org.mxchange.jusercore.events.user.add.AdminAddedUserEvent;
42 import org.mxchange.jusercore.events.user.add.ObservableAdminAddedUserEvent;
43 import org.mxchange.jusercore.events.user.delete.AdminDeletedUserEvent;
44 import org.mxchange.jusercore.events.user.delete.ObservableAdminDeletedUserEvent;
45 import org.mxchange.jusercore.events.user.linked.AdminLinkedUserEvent;
46 import org.mxchange.jusercore.events.user.linked.ObservableAdminLinkedUserEvent;
47 import org.mxchange.jusercore.events.user.locked.AdminLockedUserEvent;
48 import org.mxchange.jusercore.events.user.locked.ObservableAdminLockedUserEvent;
49 import org.mxchange.jusercore.events.user.unlocked.AdminUnlockedUserEvent;
50 import org.mxchange.jusercore.events.user.unlocked.ObservableAdminUnlockedUserEvent;
51 import org.mxchange.jusercore.events.user.update.AdminUpdatedUserDataEvent;
52 import org.mxchange.jusercore.events.user.update.ObservableAdminUpdatedUserDataEvent;
53 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
54 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
55 import org.mxchange.jusercore.exceptions.UserNotFoundException;
56 import org.mxchange.jusercore.exceptions.UserPasswordRepeatMismatchException;
57 import org.mxchange.jusercore.exceptions.UserStatusConfirmedException;
58 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
59 import org.mxchange.jusercore.exceptions.UserStatusUnconfirmedException;
60 import org.mxchange.jusercore.model.user.AdminUserSessionBeanRemote;
61 import org.mxchange.jusercore.model.user.LoginUser;
62 import org.mxchange.jusercore.model.user.User;
63 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
64 import org.mxchange.jusercore.model.user.UserUtils;
65 import org.mxchange.jusercore.model.user.profilemodes.ProfileMode;
66 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
67
68 /**
69  * A user controller (bean)
70  * <p>
71  * @author Roland Häder<roland@mxchange.org>
72  */
73 @Named ("adminUserController")
74 @RequestScoped
75 public class JobsAdminUserWebRequestBean extends BaseJobsController implements JobsAdminUserWebRequestController {
76
77         /**
78          * Serial number
79          */
80         private static final long serialVersionUID = 542_145_347_916L;
81
82         /**
83          * An event fired when the administrator has added a new user
84          */
85         @Inject
86         @Any
87         private Event<ObservableAdminAddedUserEvent> addedUserEvent;
88
89         /**
90          * Regular contact controller
91          */
92         @Inject
93         private JobsAdminContactWebRequestController adminContactController;
94
95         /**
96          * Administrative user EJB
97          */
98         private final AdminUserSessionBeanRemote adminUserBean;
99
100         /**
101          * Bean helper
102          */
103         @Inject
104         private JobsWebRequestHelperController beanHelper;
105
106         /**
107          * Regular contact controller
108          */
109         @Inject
110         private JobsContactWebSessionController contactController;
111
112         /**
113          * Event being fired when admin has deleted user
114          */
115         @Inject
116         @Any
117         private Event<ObservableAdminDeletedUserEvent> deleteUserEvent;
118
119         /**
120          * Localization controller
121          */
122         @Inject
123         private JobsLocalizationSessionController localizationController;
124
125         /**
126          * An event fired when the administrator has updated a new user
127          */
128         @Inject
129         @Any
130         private Event<ObservableAdminUpdatedUserDataEvent> updatedUserDataEvent;
131
132         /**
133          * General user EJB
134          */
135         private final UserSessionBeanRemote userBean;
136
137         /**
138          * Regular user controller
139          */
140         @Inject
141         private JobsUserWebSessionController userController;
142
143         /**
144          * Delete reason
145          */
146         private String userDeleteReason;
147
148         /**
149          * An event fired when the administrator has linked a user with existing
150          * contact data.
151          */
152         @Inject
153         @Any
154         private Event<ObservableAdminLinkedUserEvent> userLinkedEvent;
155
156         /**
157          * User lock reason
158          */
159         private String userLockReason;
160
161         /**
162          * Event being fired when an administrator has locked a user
163          */
164         @Inject
165         @Any
166         private Event<ObservableAdminLockedUserEvent> userLockedEvent;
167
168         /**
169          * Flag whether user must change password after login
170          */
171         private Boolean userMustChangePassword;
172
173         /**
174          * User name
175          */
176         private String userName;
177
178         /**
179          * User password (unencrypted from web form)
180          */
181         private String userPassword;
182
183         /**
184          * User password repeated (unencrypted from web form)
185          */
186         private String userPasswordRepeat;
187
188         /**
189          * Event being fired when admin unlocks an account
190          */
191         @Inject
192         @Any
193         private Event<ObservableAdminUnlockedUserEvent> userUnlockedEvent;
194
195         /**
196          * Default constructor
197          */
198         public JobsAdminUserWebRequestBean () {
199                 // Try it
200                 try {
201                         // Get initial context
202                         Context context = new InitialContext();
203
204                         // Try to lookup
205                         this.userBean = (UserSessionBeanRemote) context.lookup("java:global/jjobs-ejb/user!org.mxchange.jusercore.model.user.UserSessionBeanRemote"); //NOI18N
206                         this.adminUserBean = (AdminUserSessionBeanRemote) context.lookup("java:global/jjobs-ejb/adminUser!org.mxchange.jusercore.model.user.AdminUserSessionBeanRemote"); //NOI18N
207                 } catch (final NamingException e) {
208                         // Throw again
209                         throw new FaceletException(e);
210                 }
211         }
212
213         @Override
214         public String addUser () {
215                 // As the form cannot validate the data (required="true"), check it here
216                 if (this.getUserName() == null) {
217                         // Throw NPE
218                         throw new NullPointerException("userName is null"); //NOI18N
219                 } else if (this.getUserName().isEmpty()) {
220                         // Is empty
221                         throw new IllegalArgumentException("userName is null"); //NOI18N
222                 } else if (this.beanHelper.getContact() == null) {
223                         // No contact instance set, so test required fields: gender, first name and family name
224                         if (this.contactController.getGender() == null) {
225                                 // Throw NPE again
226                                 throw new NullPointerException("contactController.gender is null"); //NOI18N
227                         } else if (this.contactController.getFirstName() == null) {
228                                 // ... and again
229                                 throw new NullPointerException("contactController.firstName is null"); //NOI18N
230                         } else if (this.adminContactController.getFirstName().isEmpty()) {
231                                 // ... and again
232                                 throw new IllegalArgumentException("contactController.firstName is empty"); //NOI18N
233                         } else if (this.adminContactController.getFamilyName() == null) {
234                                 // ... and again
235                                 throw new NullPointerException("contactController.familyName is null"); //NOI18N
236                         } else if (this.contactController.getFamilyName().isEmpty()) {
237                                 // ... and again
238                                 throw new IllegalArgumentException("contactController.familyName is empty"); //NOI18N
239                         } else if (this.adminContactController.getEmailAddress() == null) {
240                                 // ... and again
241                                 throw new NullPointerException("contactController.emailAddress is null"); //NOI18N
242                         } else if (this.adminContactController.getEmailAddress().isEmpty()) {
243                                 // ... and again
244                                 throw new IllegalArgumentException("contactController.emailAddress is empty"); //NOI18N
245                         }
246                 }
247
248                 // Create new user instance
249                 User user = new LoginUser();
250
251                 // Set user name, CONFIRMED and INVISIBLE
252                 user.setUserName(this.getUserName());
253                 user.setUserMustChangePassword(this.getUserMustChangePassword());
254                 user.setUserAccountStatus(UserAccountStatus.CONFIRMED);
255                 user.setUserProfileMode(ProfileMode.INVISIBLE);
256
257                 // Init instance
258                 Contact contact;
259
260                 // Is a contact instance in helper set?
261                 if (this.beanHelper.getContact() instanceof Contact) {
262                         // Then use it for contact linking
263                         contact = this.beanHelper.getContact();
264                 } else {
265                         // Create contact instance
266                         contact = this.contactController.createContactInstance();
267                 }
268
269                 // Set contact in user
270                 user.setUserContact(contact);
271
272                 // Init variable for password
273                 String password = null;
274
275                 // Is the user name or email address used already?
276                 // @TODO Add password length check
277                 if (this.userController.isUserNameRegistered(user)) {
278                         // User name is already used
279                         throw new FaceletException(new UserNameAlreadyRegisteredException(user));
280                 } else if ((this.beanHelper.getContact() == null) && (this.contactController.isEmailAddressRegistered(user.getUserContact()))) {
281                         // Email address is already used
282                         this.showFacesMessage("admin_add_user:emailAddress", "ERROR_EMAIL_ADDRESS_ALREADY_USED"); //NOI18N
283
284                         // Always clear password
285                         this.setUserPassword(null);
286                         this.setUserPasswordRepeat(null);
287
288                         // Skip it
289                         return ""; //NOI18N
290                 } else if ((this.getUserPassword() == null && (this.getUserPasswordRepeat() == null)) || ((this.getUserPassword().isEmpty()) && (this.getUserPasswordRepeat().isEmpty()))) {
291                         // Empty password entered, then generate one
292                         password = UserUtils.createRandomPassword(JobsUserWebSessionController.MINIMUM_PASSWORD_LENGTH);
293                 } else if (!this.isSamePasswordEntered()) {
294                         // Both passwords don't match
295                         throw new FaceletException(new UserPasswordRepeatMismatchException(user));
296                 } else {
297                         // Both match, so get it from this bean
298                         password = this.getUserPassword();
299                 }
300
301                 // The password should not be null and at least 5 characters long
302                 assert (password != null) : "password is null"; //NOI18N
303                 assert (password.length() >= JobsUserWebSessionController.MINIMUM_PASSWORD_LENGTH) : "Password is not long enough."; //NOI18N
304
305                 // Encrypt password and set it
306                 user.setUserEncryptedPassword(UserUtils.encryptPassword(password));
307
308                 try {
309                         // Now, that all is set, call EJB
310                         if (this.beanHelper.getContact() instanceof Contact) {
311                                 // Link contact with this user
312                                 User updatedUser = this.adminUserBean.linkUser(user);
313
314                                 // Fire event
315                                 this.userLinkedEvent.fire(new AdminLinkedUserEvent(updatedUser));
316
317                                 // Remove contact instance
318                                 this.beanHelper.setContact(null);
319                         } else {
320                                 // Add new contact
321                                 User updatedUser = this.adminUserBean.addUser(user);
322
323                                 // Fire event
324                                 this.addedUserEvent.fire(new AdminAddedUserEvent(updatedUser));
325                         }
326                 } catch (final UserNameAlreadyRegisteredException | EmailAddressAlreadyRegisteredException ex) {
327                         // Throw again
328                         throw new FaceletException(ex);
329                 }
330
331                 // Clear helper
332                 this.beanHelper.setContact(null);
333
334                 // Clear this bean
335                 this.clear();
336
337                 // Return to user list (for now)
338                 return "admin_list_user"; //NOI18N
339         }
340
341         @Override
342         public void afterUserRegistrationEvent (@Observes final ObservableUserRegisteredEvent event) {
343                 // event should not be null
344                 if (null == event) {
345                         // Throw NPE
346                         throw new NullPointerException("event is null"); //NOI18N
347                 } else if (event.getRegisteredUser() == null) {
348                         // Throw NPE again
349                         throw new NullPointerException("event.user is null"); //NOI18N
350                 } else if (event.getRegisteredUser().getUserId() == null) {
351                         // userId is null
352                         throw new NullPointerException("event.user.userId is null"); //NOI18N
353                 } else if (event.getRegisteredUser().getUserId() < 1) {
354                         // Not avalid id
355                         throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getRegisteredUser(), event.getRegisteredUser().getUserId())); //NOI18N
356                 }
357
358                 // Get user instance
359                 User registeredUser = event.getRegisteredUser();
360
361                 // @TODO Nothing to do with the user here?
362
363                 // Clear all data
364                 this.clear();
365         }
366
367         @Override
368         public String deleteUserData (final User user) {
369                 // Is the user instance valid and CONFIRMED?
370                 if (null == user) {
371                         // Throw NPE
372                         throw new NullPointerException("user is null"); //NOI18N
373                 } else if (user.getUserId() == null) {
374                         // Throw again
375                         throw new NullPointerException("user.userId is null"); //NOI18N
376                 } else if (user.getUserId() < 1) {
377                         // Invalid id number
378                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not valid", user.getUserId())); //NOI18N
379                 }
380
381                 try {
382                         // All fine, delete it
383                         this.adminUserBean.deleteUser(user, this.getUserDeleteReason());
384                 } catch (final UserNotFoundException ex) {
385                         // Should not happen, so throw again
386                         throw new FaceletException(ex);
387                 }
388
389                 // Fire event
390                 this.deleteUserEvent.fire(new AdminDeletedUserEvent(user, this.getUserDeleteReason()));
391
392                 // Redirect
393                 return "admin_list_user"; //NOI18N
394         }
395
396         @Override
397         public String editUserData () {
398                 // Get user instance
399                 User user = this.beanHelper.getUser();
400
401                 // Null password means not setting it
402                 String encryptedPassword = null;
403
404                 // Check if user instance is in helper and valid
405                 if (null == user) {
406                         // Throw NPE
407                         throw new NullPointerException("beanHelper.user is null"); //NOI18N
408                 } else if (user.getUserId() == null) {
409                         // Throw NPE again
410                         throw new NullPointerException("beanHelper.user.userId is null"); //NOI18N
411                 } else if (user.getUserId() < 1) {
412                         // Invalid id
413                         throw new IllegalStateException(MessageFormat.format("beanHelper.user.userId={0} is invalid", user.getUserId())); //NOI18N
414                 } else if (this.getUserName() == null) {
415                         // Not all required fields are set
416                         throw new NullPointerException("this.userName is null"); //NOI18N
417                 } else if (this.getUserName().isEmpty()) {
418                         // Not all required fields are set
419                         throw new IllegalArgumentException("this.userName is empty"); //NOI18N
420                 } else if (((!this.getUserPassword().isEmpty()) || (!this.getUserPasswordRepeat().isEmpty())) && (!this.isSamePasswordEntered())) {
421                         // Clear password fields
422                         this.setUserPassword(null);
423                         this.setUserPasswordRepeat(null);
424
425                         // Not same password entered
426                         this.showFacesMessage("form_edit_user:userPassword", "ADMIN_USER_PASSWORD_REPEAT_DIFFERENT"); //NOI18N
427                         return ""; //NOI18N
428                 } else if ((!Objects.equals(user.getUserName(), this.getUserName())) && (this.userBean.ifUserNameExists(this.getUserName()))) {
429                         // Clear all fields
430                         this.clear();
431
432                         // User name already exists
433                         this.showFacesMessage("form_edit_user:userName", "ADMIN_USER_NAME_ALREADY_EXISTS"); //NOI18N
434                         return ""; //NOI18N
435                 } else if (this.isSamePasswordEntered()) {
436                         // Same password entered, create container
437                         if ((Objects.equals(user.getUserMustChangePassword(), this.getUserMustChangePassword())) && (UserUtils.ifPasswordMatches(new UserLoginContainer(user, this.getUserPassword())))) {
438                                 // Clear password fields
439                                 this.setUserPassword(null);
440                                 this.setUserPasswordRepeat(null);
441
442                                 // Same password entered
443                                 this.showFacesMessage("form_edit_user:userPassword", "ADMIN_USER_ENTERED_SAME_AS_OLD_PASSWORD"); //NOI18N
444                                 return ""; //NOI18N
445                         }
446
447                         // Encrypt password
448                         encryptedPassword = UserUtils.encryptPassword(this.getUserPassword());
449                 }
450
451                 // Set user name and flag
452                 user.setUserName(this.getUserName());
453                 user.setUserMustChangePassword(this.getUserMustChangePassword());
454
455                 // Is a password set?
456                 if (encryptedPassword != null) {
457                         // Set it as well
458                         user.setUserEncryptedPassword(encryptedPassword);
459                 }
460
461                 // Call EJB for updating user data
462                 User updatedUser = this.userBean.updateUserData(user);
463
464                 // Fire event
465                 this.updatedUserDataEvent.fire(new AdminUpdatedUserDataEvent(updatedUser));
466
467                 // Return to user list (for now)
468                 return "admin_list_user"; //NOI18N
469         }
470
471         @Override
472         public String getUserDeleteReason () {
473                 return this.userDeleteReason;
474         }
475
476         @Override
477         public void setUserDeleteReason (final String userDeleteReason) {
478                 this.userDeleteReason = userDeleteReason;
479         }
480
481         @Override
482         public String getUserLockReason () {
483                 return this.userLockReason;
484         }
485
486         @Override
487         public void setUserLockReason (final String userLockReason) {
488                 this.userLockReason = userLockReason;
489         }
490
491         @Override
492         public Boolean getUserMustChangePassword () {
493                 return this.userMustChangePassword;
494         }
495
496         @Override
497         public void setUserMustChangePassword (final Boolean userMustChangePassword) {
498                 this.userMustChangePassword = userMustChangePassword;
499         }
500
501         @Override
502         public String getUserName () {
503                 return this.userName;
504         }
505
506         @Override
507         public void setUserName (final String userName) {
508                 this.userName = userName;
509         }
510
511         @Override
512         public String getUserPassword () {
513                 return this.userPassword;
514         }
515
516         @Override
517         public void setUserPassword (final String userPassword) {
518                 this.userPassword = userPassword;
519         }
520
521         @Override
522         public String getUserPasswordRepeat () {
523                 return this.userPasswordRepeat;
524         }
525
526         @Override
527         public void setUserPasswordRepeat (final String userPasswordRepeat) {
528                 this.userPasswordRepeat = userPasswordRepeat;
529         }
530
531         @Override
532         public String lockUserAccount (final User user) {
533                 // Is the user instance valid and CONFIRMED?
534                 if (null == user) {
535                         // Throw NPE
536                         throw new NullPointerException("user is null"); //NOI18N
537                 } else if (user.getUserId() == null) {
538                         // Throw again
539                         throw new NullPointerException("user.userId is null"); //NOI18N
540                 } else if (user.getUserId() < 1) {
541                         // Invalid id number
542                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not valid", user.getUserId())); //NOI18N
543                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
544                         // User account is locked
545                         throw new FacesException(new UserStatusLockedException(user));
546                 } else if (user.getUserAccountStatus() == UserAccountStatus.UNCONFIRMED) {
547                         // User account is locked
548                         throw new FaceletException(new UserStatusUnconfirmedException(user));
549                 } else if (this.getUserLockReason() == null) {
550                         // Throw NPE again
551                         throw new NullPointerException("this.userLockReason is null"); //NOI18N
552                 } else if (this.getUserLockReason().isEmpty()) {
553                         // Empty lock reason
554                         throw new IllegalArgumentException("this.userLockReason is empty"); //NOI18N
555                 }
556
557                 // Init updated user instance
558                 User updatedUser;
559
560                 try {
561                         // Get base URL
562                         String baseUrl = FacesUtils.generateBaseUrl();
563
564                         // Call EJB to lock account
565                         updatedUser = this.adminUserBean.lockUserAccount(user, this.getUserLockReason(), baseUrl);
566                 } catch (final UserStatusLockedException | UserStatusUnconfirmedException | UserNotFoundException ex) {
567                         // Throw again
568                         throw new FaceletException(ex);
569                 }
570
571                 // Fire event
572                 this.userLockedEvent.fire(new AdminLockedUserEvent(updatedUser));
573
574                 // Clear bean
575                 this.clear();
576
577                 // Should go fine at this point, redirect to user profile
578                 return "admin_show_user"; //NOI18N
579         }
580
581         @Override
582         public String unlockUserAccount (final User user) {
583                 // Is the user instance valid and CONFIRMED?
584                 if (null == user) {
585                         // Throw NPE
586                         throw new NullPointerException("user is null"); //NOI18N
587                 } else if (user.getUserId() == null) {
588                         // Throw again
589                         throw new NullPointerException("user.userId is null"); //NOI18N
590                 } else if (user.getUserId() < 1) {
591                         // Invalid id number
592                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not valid", user.getUserId())); //NOI18N
593                 } else if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
594                         // User account is locked
595                         throw new FacesException(new UserStatusConfirmedException(user));
596                 } else if (user.getUserAccountStatus() == UserAccountStatus.UNCONFIRMED) {
597                         // User account is locked
598                         throw new FaceletException(new UserStatusUnconfirmedException(user));
599                 }
600
601                 // Init updated user instance
602                 User updatedUser;
603
604                 try {
605                         // Get base URL
606                         String baseUrl = FacesUtils.generateBaseUrl();
607
608                         // Call EJB to unlock account
609                         updatedUser = this.adminUserBean.unlockUserAccount(user, baseUrl);
610                 } catch (final UserStatusConfirmedException | UserStatusUnconfirmedException | UserNotFoundException ex) {
611                         // Throw again
612                         throw new FaceletException(ex);
613                 }
614
615                 // Fire event
616                 this.userUnlockedEvent.fire(new AdminUnlockedUserEvent(updatedUser));
617
618                 // Clear bean
619                 this.clear();
620
621                 // Should go fine at this point, redirect to user profile
622                 return "admin_show_user"; //NOI18N
623         }
624
625         /**
626          * Clears this bean
627          */
628         private void clear () {
629                 // Clear all data
630                 // - other data
631                 this.setUserName(null);
632                 this.setUserPassword(null);
633                 this.setUserPasswordRepeat(null);
634                 this.setUserMustChangePassword(null);
635         }
636
637         /**
638          * Checks if same password is entered and that they are not empty.
639          * <p>
640          * @return Whether the same password was entered
641          */
642         private boolean isSamePasswordEntered () {
643                 return ((!this.getUserPassword().isEmpty()) && (Objects.equals(this.getUserPassword(), this.getUserPasswordRepeat())));
644         }
645
646 }