aboutsummaryrefslogtreecommitdiffstats
path: root/editusers.cgi
blob: 9a4bfd5c0d1cbf7e4eb8bfa6c3a71cf84a9bf703 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
#!/usr/bin/perl -wT
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# Contributor(s): Marc Schumann <wurblzap@gmail.com>
#                 Lance Larsh <lance.larsh@oracle.com>
#                 Frédéric Buclin <LpSolit@gmail.com>
#                 David Lawrence <dkl@redhat.com>
#                 Vlad Dascalu <jocuri@softhome.net>
#                 Gavin Shelley  <bugzilla@chimpychompy.org>

use strict;
use lib ".";

use Bugzilla;
use Bugzilla::Constants;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::User;
use Bugzilla::Bug;
use Bugzilla::Flag;
use Bugzilla::Field;
use Bugzilla::Group;

my $user = Bugzilla->login(LOGIN_REQUIRED);

my $cgi       = Bugzilla->cgi;
my $template  = Bugzilla->template;
my $dbh       = Bugzilla->dbh;
my $userid    = $user->id;
my $editusers = $user->in_group('editusers');
local our $vars     = {};

# Reject access if there is no sense in continuing.
$editusers
    || $user->can_bless()
    || ThrowUserError("auth_failure", {group  => "editusers",
                                       reason => "cant_bless",
                                       action => "edit",
                                       object => "users"});

print $cgi->header();

# Common CGI params
my $action         = $cgi->param('action') || 'search';
my $otherUserID    = $cgi->param('userid');
my $otherUserLogin = $cgi->param('user');

# Prefill template vars with data used in all or nearly all templates
$vars->{'editusers'} = $editusers;
mirrorListSelectionValues();

###########################################################################
if ($action eq 'search') {
    # Allow to restrict the search to any group the user is allowed to bless.
    $vars->{'restrictablegroups'} = $user->bless_groups();
    $template->process('admin/users/search.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

###########################################################################
} elsif ($action eq 'list') {
    my $matchvalue    = $cgi->param('matchvalue') || '';
    my $matchstr      = $cgi->param('matchstr');
    my $matchtype     = $cgi->param('matchtype');
    my $grouprestrict = $cgi->param('grouprestrict') || '0';
    my $query = 'SELECT DISTINCT userid, login_name, realname, disabledtext ' .
                'FROM profiles';
    my @bindValues;
    my $nextCondition;
    my $visibleGroups;

    # If a group ID is given, make sure it is a valid one.
    my $group;
    if ($grouprestrict) {
        $group = new Bugzilla::Group(scalar $cgi->param('groupid'));
        $group || ThrowUserError('invalid_group_ID');
    }

    if (!$editusers && Bugzilla->params->{'usevisibilitygroups'}) {
        # Show only users in visible groups.
        $visibleGroups = $user->visible_groups_as_string();

        if ($visibleGroups) {
            $query .= qq{, user_group_map AS ugm
                         WHERE ugm.user_id = profiles.userid
                           AND ugm.isbless = 0
                           AND ugm.group_id IN ($visibleGroups)
                        };
            $nextCondition = 'AND';
        }
    } else {
        $visibleGroups = 1;
        if ($grouprestrict eq '1') {
            $query .= qq{, user_group_map AS ugm
                         WHERE ugm.user_id = profiles.userid
                           AND ugm.isbless = 0
                        };
            $nextCondition = 'AND';
        }
        else {
            $nextCondition = 'WHERE';
        }
    }

    if (!$visibleGroups) {
        $vars->{'users'} = {};
    }
    else {
        # Handle selection by login name, real name, or userid.
        if (defined($matchtype)) {
            $query .= " $nextCondition ";
            my $expr = "";
            if ($matchvalue eq 'userid') {
                if ($matchstr) {
                    my $stored_matchstr = $matchstr;
                    detaint_natural($matchstr) 
                        || ThrowUserError('illegal_user_id', {userid => $stored_matchstr});
                }
                $expr = "profiles.userid";
            } elsif ($matchvalue eq 'realname') {
                $expr = "profiles.realname";
            } else {
                $expr = "profiles.login_name";
            }
            if ($matchtype eq 'regexp') {
                $query .= $dbh->sql_regexp($expr, '?');
                $matchstr = '.' unless $matchstr;
            } elsif ($matchtype eq 'notregexp') {
                $query .= $dbh->sql_not_regexp($expr, '?');
                $matchstr = '.' unless $matchstr;
            } elsif ($matchtype eq 'exact') {
                $query .= $expr . ' = ?';
                $matchstr = '.' unless $matchstr;
            } else { # substr or unknown
                $query .= $dbh->sql_istrcmp($expr, '?', 'LIKE');
                $matchstr = "%$matchstr%";
            }
            $nextCondition = 'AND';
            # We can trick_taint because we use the value in a SELECT only,
            # using a placeholder.
            trick_taint($matchstr);
            push(@bindValues, $matchstr);
        }

        # Handle selection by group.
        if ($grouprestrict eq '1') {
            my $grouplist = join(',',
                @{Bugzilla::User->flatten_group_membership($group->id)});
            $query .= " $nextCondition ugm.group_id IN($grouplist) ";
        }
        $query .= ' ORDER BY profiles.login_name';

        $vars->{'users'} = $dbh->selectall_arrayref($query,
                                                    {'Slice' => {}},
                                                    @bindValues);

    }

    if ($matchtype eq 'exact' && scalar(@{$vars->{'users'}}) == 1) {
        my $match_user_id = $vars->{'users'}[0]->{'userid'};
        my $match_user = check_user($match_user_id);
        edit_processing($match_user);
    } else {
        $template->process('admin/users/list.html.tmpl', $vars)
            || ThrowTemplateError($template->error());
    }

###########################################################################
} elsif ($action eq 'add') {
    $editusers || ThrowUserError("auth_failure", {group  => "editusers",
                                                  action => "add",
                                                  object => "users"});

    $template->process('admin/users/create.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

###########################################################################
} elsif ($action eq 'new') {
    $editusers || ThrowUserError("auth_failure", {group  => "editusers",
                                                  action => "add",
                                                  object => "users"});

    my $login        = $cgi->param('login');
    my $password     = $cgi->param('password');
    my $realname     = trim($cgi->param('name')         || '');
    my $disabledtext = trim($cgi->param('disabledtext') || '');

    # Lock tables during the check+creation session.
    $dbh->bz_lock_tables('profiles WRITE', 'profiles_activity WRITE',
                         'email_setting WRITE', 'user_group_map WRITE',
                         'groups READ', 'tokens READ', 'fielddefs READ');

    # Validity checks
    $login || ThrowUserError('user_login_required');
    validate_email_syntax($login)
      || ThrowUserError('illegal_email_address', {addr => $login});
    is_available_username($login)
      || ThrowUserError('account_exists', {email => $login});
    validate_password($password);

    # Login and password are validated now, and realname and disabledtext
    # are allowed to contain anything
    trick_taint($login);
    trick_taint($realname);
    trick_taint($password);
    trick_taint($disabledtext);

    insert_new_user($login, $realname, $password, $disabledtext);
    my $new_user_id = $dbh->bz_last_key('profiles', 'userid');
    $dbh->bz_unlock_tables();
    userDataToVars($new_user_id);

    $vars->{'message'} = 'account_created';
    $template->process('admin/users/edit.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

###########################################################################
} elsif ($action eq 'edit') {
    my $otherUser = check_user($otherUserID, $otherUserLogin);
    edit_processing($otherUser);

###########################################################################
} elsif ($action eq 'update') {
    my $otherUser = check_user($otherUserID, $otherUserLogin);
    $otherUserID = $otherUser->id;

    my $logoutNeeded = 0;
    my @changedFields;

    # Lock tables during the check+update session.
    $dbh->bz_lock_tables('profiles WRITE',
                         'profiles_activity WRITE',
                         'fielddefs READ',
                         'tokens WRITE',
                         'logincookies WRITE',
                         'groups READ',
                         'user_group_map WRITE',
                         'group_group_map READ',
                         'group_group_map AS ggm READ');
 
    $editusers || $user->can_see_user($otherUser)
        || ThrowUserError('auth_failure', {reason => "not_visible",
                                           action => "modify",
                                           object => "user"});

    # Cleanups
    my $loginold        = $cgi->param('loginold')        || '';
    my $realnameold     = $cgi->param('nameold')         || '';
    my $disabledtextold = $cgi->param('disabledtextold') || '';

    my $login        = $cgi->param('login');
    my $password     = $cgi->param('password');
    my $realname     = trim($cgi->param('name')         || '');
    my $disabledtext = trim($cgi->param('disabledtext') || '');

    # Update profiles table entry; silently skip doing this if the user
    # is not authorized.
    if ($editusers) {
        my @values;

        if ($login ne $loginold) {
            # Validate, then trick_taint.
            $login || ThrowUserError('user_login_required');
            validate_email_syntax($login)
              || ThrowUserError('illegal_email_address', {addr => $login});
            is_available_username($login)
              || ThrowUserError('account_exists', {email => $login});

            trick_taint($login);
            push(@changedFields, 'login_name');
            push(@values, $login);
            $logoutNeeded = 1;

            # Since we change the login, silently delete any tokens.
            $dbh->do('DELETE FROM tokens WHERE userid = ?', {}, $otherUserID);
        }
        if ($realname ne $realnameold) {
            # The real name may be anything; we use a placeholder for our
            # INSERT, and we rely on displaying code to FILTER html.
            trick_taint($realname);
            push(@changedFields, 'realname');
            push(@values, $realname);
        }
        if ($password) {
            # Validate, then trick_taint.
            validate_password($password) if $password;
            trick_taint($password);
            push(@changedFields, 'cryptpassword');
            push(@values, bz_crypt($password));
            $logoutNeeded = 1;
        }
        if ($disabledtext ne $disabledtextold) {
            # The disable text may be anything; we use a placeholder for our
            # INSERT, and we rely on displaying code to FILTER html.
            trick_taint($disabledtext);
            push(@changedFields, 'disabledtext');
            push(@values, $disabledtext);
            $logoutNeeded = 1;
        }
        if (@changedFields) {
            push (@values, $otherUserID);
            $logoutNeeded && Bugzilla->logout_user($otherUser);
            $dbh->do('UPDATE profiles SET ' .
                     join(' = ?,', @changedFields).' = ? ' .
                     'WHERE userid = ?',
                     undef, @values);
            # XXX: should create profiles_activity entries.
            #
            # We create a new user object here because it needs to
            # read information that may have changed since this
            # script started.
            my $newprofile = new Bugzilla::User($otherUserID);
            $newprofile->derive_regexp_groups();
        }
    }

    # Update group settings.
    my $sth_add_mapping = $dbh->prepare(
        qq{INSERT INTO user_group_map (
                  user_id, group_id, isbless, grant_type
                 ) VALUES (
                  ?, ?, ?, ?
                 )
          });
    my $sth_remove_mapping = $dbh->prepare(
        qq{DELETE FROM user_group_map
            WHERE user_id = ?
              AND group_id = ?
              AND isbless = ?
              AND grant_type = ?
          });

    my @groupsAddedTo;
    my @groupsRemovedFrom;
    my @groupsGrantedRightsToBless;
    my @groupsDeniedRightsToBless;

    # Regard only groups the user is allowed to bless and skip all others
    # silently.
    # XXX: checking for existence of each user_group_map entry
    #      would allow to display a friendlier error message on page reloads.
    foreach (@{$user->bless_groups()}) {
        my $id = $$_{'id'};
        my $name = $$_{'name'};

        # Change memberships.
        my $oldgroupid = $cgi->param("oldgroup_$id") || '0';
        my $groupid    = $cgi->param("group_$id")    || '0';
        if ($groupid ne $oldgroupid) {
            if ($groupid eq '0') {
                $sth_remove_mapping->execute(
                    $otherUserID, $id, 0, GRANT_DIRECT);
                push(@groupsRemovedFrom, $name);
            } else {
                $sth_add_mapping->execute(
                    $otherUserID, $id, 0, GRANT_DIRECT);
                push(@groupsAddedTo, $name);
            }
        }

        # Only members of the editusers group may change bless grants.
        # Skip silently if this is not the case.
        if ($editusers) {
            my $oldgroupid = $cgi->param("oldbless_$id") || '0';
            my $groupid    = $cgi->param("bless_$id")    || '0';
            if ($groupid ne $oldgroupid) {
                if ($groupid eq '0') {
                    $sth_remove_mapping->execute(
                        $otherUserID, $id, 1, GRANT_DIRECT);
                    push(@groupsDeniedRightsToBless, $name);
                } else {
                    $sth_add_mapping->execute(
                        $otherUserID, $id, 1, GRANT_DIRECT);
                    push(@groupsGrantedRightsToBless, $name);
                }
            }
        }
    }
    if (@groupsAddedTo || @groupsRemovedFrom) {
        $dbh->do(qq{INSERT INTO profiles_activity (
                           userid, who,
                           profiles_when, fieldid,
                           oldvalue, newvalue
                          ) VALUES (
                           ?, ?, now(), ?, ?, ?
                          )
                   },
                 undef,
                 ($otherUserID, $userid,
                  get_field_id('bug_group'),
                  join(', ', @groupsRemovedFrom), join(', ', @groupsAddedTo)));
        $dbh->do('UPDATE profiles SET refreshed_when=? WHERE userid = ?',
                 undef, ('1900-01-01 00:00:00', $otherUserID));
    }
    # XXX: should create profiles_activity entries for blesser changes.

    $dbh->bz_unlock_tables();

    # XXX: userDataToVars may be off when editing ourselves.
    userDataToVars($otherUserID);

    $vars->{'message'} = 'account_updated';
    $vars->{'loginold'} = $loginold;
    $vars->{'changed_fields'} = \@changedFields;
    $vars->{'groups_added_to'} = \@groupsAddedTo;
    $vars->{'groups_removed_from'} = \@groupsRemovedFrom;
    $vars->{'groups_granted_rights_to_bless'} = \@groupsGrantedRightsToBless;
    $vars->{'groups_denied_rights_to_bless'} = \@groupsDeniedRightsToBless;
    $template->process('admin/users/edit.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

###########################################################################
} elsif ($action eq 'del') {
    my $otherUser = check_user($otherUserID, $otherUserLogin);
    $otherUserID = $otherUser->id;

    Bugzilla->params->{'allowuserdeletion'} 
        || ThrowUserError('users_deletion_disabled');
    $editusers || ThrowUserError('auth_failure', {group  => "editusers",
                                                  action => "delete",
                                                  object => "users"});
    $vars->{'otheruser'}      = $otherUser;
    $vars->{'editcomponents'} = UserInGroup('editcomponents');

    # Find other cross references.
    $vars->{'assignee_or_qa'} = $dbh->selectrow_array(
        qq{SELECT COUNT(*)
           FROM bugs
           WHERE assigned_to = ? OR qa_contact = ?},
        undef, ($otherUserID, $otherUserID));
    $vars->{'reporter'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM bugs WHERE reporter = ?',
        undef, $otherUserID);
    $vars->{'cc'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM cc WHERE who = ?',
        undef, $otherUserID);
    $vars->{'bugs_activity'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM bugs_activity WHERE who = ?',
        undef, $otherUserID);
    $vars->{'email_setting'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM email_setting WHERE user_id = ?',
        undef, $otherUserID);
    $vars->{'flags'}{'requestee'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM flags WHERE requestee_id = ?',
        undef, $otherUserID);
    $vars->{'flags'}{'setter'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM flags WHERE setter_id = ?',
        undef, $otherUserID);
    $vars->{'longdescs'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM longdescs WHERE who = ?',
        undef, $otherUserID);
    $vars->{'namedqueries'} = $dbh->selectcol_arrayref(
        'SELECT id FROM namedqueries WHERE userid = ?',
        undef,
        $otherUserID);
    if (@{$vars->{'namedqueries'}}) {
        $vars->{'namedquery_group_map'} = $dbh->selectrow_array(
            'SELECT COUNT(*) FROM namedquery_group_map WHERE namedquery_id IN' .
            ' (' . join(', ', @{$vars->{'namedqueries'}}) . ')');
    }
    else {
        $vars->{'namedquery_group_map'} = 0;
    }
    $vars->{'profile_setting'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM profile_setting WHERE user_id = ?',
        undef, $otherUserID);
    $vars->{'profiles_activity'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM profiles_activity WHERE who = ? AND userid != ?',
        undef, ($otherUserID, $otherUserID));
    $vars->{'series'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM series WHERE creator = ?',
        undef, $otherUserID);
    $vars->{'votes'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM votes WHERE who = ?',
        undef, $otherUserID);
    $vars->{'watch'}{'watched'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM watch WHERE watched = ?',
        undef, $otherUserID);
    $vars->{'watch'}{'watcher'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM watch WHERE watcher = ?',
        undef, $otherUserID);
    $vars->{'whine_events'} = $dbh->selectrow_array(
        'SELECT COUNT(*) FROM whine_events WHERE owner_userid = ?',
        undef, $otherUserID);
    $vars->{'whine_schedules'} = $dbh->selectrow_array(
        qq{SELECT COUNT(distinct eventid)
           FROM whine_schedules
           WHERE mailto = ?
           AND mailto_type = ?
          },
        undef, ($otherUserID, MAILTO_USER));

    $template->process('admin/users/confirm-delete.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

###########################################################################
} elsif ($action eq 'delete') {
    my $otherUser = check_user($otherUserID, $otherUserLogin);
    $otherUserID = $otherUser->id;

    # Cache for user accounts.
    my %usercache = (0 => new Bugzilla::User());
    my %updatedbugs;

    # Lock tables during the check+removal session.
    # XXX: if there was some change on these tables after the deletion
    #      confirmation checks, we may do something here we haven't warned
    #      about.
    $dbh->bz_lock_tables('bugs WRITE',
                         'bugs_activity WRITE',
                         'attachments READ',
                         'fielddefs READ',
                         'products READ',
                         'components READ',
                         'logincookies WRITE',
                         'profiles WRITE',
                         'profiles_activity WRITE',
                         'email_setting WRITE',
                         'profile_setting WRITE',
                         'bug_group_map READ',
                         'user_group_map WRITE',
                         'flags WRITE',
                         'flagtypes READ',
                         'cc WRITE',
                         'namedqueries WRITE',
                         'namedqueries_link_in_footer WRITE',
                         'namedquery_group_map WRITE',
                         'tokens WRITE',
                         'votes WRITE',
                         'watch WRITE',
                         'series WRITE',
                         'series_data WRITE',
                         'whine_schedules WRITE',
                         'whine_queries WRITE',
                         'whine_events WRITE');

    Bugzilla->params->{'allowuserdeletion'}
        || ThrowUserError('users_deletion_disabled');
    $editusers || ThrowUserError('auth_failure',
                                 {group  => "editusers",
                                  action => "delete",
                                  object => "users"});
    @{$otherUser->product_responsibilities()}
        && ThrowUserError('user_has_responsibility');

    Bugzilla->logout_user($otherUser);

    # Get the named query list so we can delete namedquery_group_map entries.
    my $namedqueries_as_string = join(', ', $dbh->selectcol_arrayref(
        'SELECT id FROM namedqueries WHERE userid = ?',
        undef,
        $otherUserID));

    # Get the timestamp for LogActivityEntry.
    my $timestamp = $dbh->selectrow_array('SELECT NOW()');

    # When we update a bug_activity entry, we update the bug timestamp, too.
    my $sth_set_bug_timestamp =
        $dbh->prepare('UPDATE bugs SET delta_ts = ? WHERE bug_id = ?');

    # Reference removals which need LogActivityEntry.
    my $statement_flagupdate = 'UPDATE flags set requestee_id = NULL
                                 WHERE bug_id = ?
                                   AND attach_id %s
                                   AND requestee_id = ?';
    my $sth_flagupdate_attachment =
        $dbh->prepare(sprintf($statement_flagupdate, '= ?'));
    my $sth_flagupdate_bug =
        $dbh->prepare(sprintf($statement_flagupdate, 'IS NULL'));

    my $buglist = $dbh->selectall_arrayref('SELECT DISTINCT bug_id, attach_id
                                              FROM flags
                                             WHERE requestee_id = ?',
                                           undef, $otherUserID);

    foreach (@$buglist) {
        my ($bug_id, $attach_id) = @$_;
        my @old_summaries = Bugzilla::Flag::snapshot($bug_id, $attach_id);
        if ($attach_id) {
            $sth_flagupdate_attachment->execute($bug_id, $attach_id, $otherUserID);
        }
        else {
            $sth_flagupdate_bug->execute($bug_id, $otherUserID);
        }
        my @new_summaries = Bugzilla::Flag::snapshot($bug_id, $attach_id);
        # Let update_activity do all the dirty work, including setting
        # the bug timestamp.
        Bugzilla::Flag::update_activity($bug_id, $attach_id, $timestamp,
                                        \@old_summaries, \@new_summaries);
        $updatedbugs{$bug_id} = 1;
    }

    # Simple deletions in referred tables.
    $dbh->do('DELETE FROM email_setting WHERE user_id = ?', undef,
             $otherUserID);
    $dbh->do('DELETE FROM logincookies WHERE userid = ?', undef, $otherUserID);
    $dbh->do('DELETE FROM namedqueries WHERE userid = ?', undef, $otherUserID);
    $dbh->do('DELETE FROM namedqueries_link_in_footer WHERE user_id = ?', undef,
             $otherUserID);
    if ($namedqueries_as_string) {
        $dbh->do('DELETE FROM namedquery_group_map WHERE namedquery_id IN ' .
                 "($namedqueries_as_string)");
    }
    $dbh->do('DELETE FROM profile_setting WHERE user_id = ?', undef,
             $otherUserID);
    $dbh->do('DELETE FROM profiles_activity WHERE userid = ? OR who = ?', undef,
             ($otherUserID, $otherUserID));
    $dbh->do('DELETE FROM tokens WHERE userid = ?', undef, $otherUserID);
    $dbh->do('DELETE FROM user_group_map WHERE user_id = ?', undef,
             $otherUserID);
    $dbh->do('DELETE FROM votes WHERE who = ?', undef, $otherUserID);
    $dbh->do('DELETE FROM watch WHERE watcher = ? OR watched = ?', undef,
             ($otherUserID, $otherUserID));

    # Deletions in referred tables which need LogActivityEntry.
    $buglist = $dbh->selectcol_arrayref('SELECT bug_id FROM cc
                                          WHERE who = ?',
                                        undef, $otherUserID);
    $dbh->do('DELETE FROM cc WHERE who = ?', undef, $otherUserID);
    foreach my $bug_id (@$buglist) {
        LogActivityEntry($bug_id, 'cc', $otherUser->login, '', $userid,
                         $timestamp);
        $sth_set_bug_timestamp->execute($timestamp, $bug_id);
        $updatedbugs{$bug_id} = 1;
    }

    # Even more complex deletions in referred tables.
    my $id;

    # 1) Series
    my $sth_seriesid = $dbh->prepare(
           'SELECT series_id FROM series WHERE creator = ?');
    my $sth_deleteSeries = $dbh->prepare(
           'DELETE FROM series WHERE series_id = ?');
    my $sth_deleteSeriesData = $dbh->prepare(
           'DELETE FROM series_data WHERE series_id = ?');

    $sth_seriesid->execute($otherUserID);
    while ($id = $sth_seriesid->fetchrow_array()) {
        $sth_deleteSeriesData->execute($id);
        $sth_deleteSeries->execute($id);
    }

    # 2) Whines
    my $sth_whineidFromSchedules = $dbh->prepare(
           qq{SELECT eventid FROM whine_schedules
              WHERE mailto = ? AND mailto_type = ?});
    my $sth_whineidFromEvents = $dbh->prepare(
           'SELECT id FROM whine_events WHERE owner_userid = ?');
    my $sth_deleteWhineEvent = $dbh->prepare(
           'DELETE FROM whine_events WHERE id = ?');
    my $sth_deleteWhineQuery = $dbh->prepare(
           'DELETE FROM whine_queries WHERE eventid = ?');
    my $sth_deleteWhineSchedule = $dbh->prepare(
           'DELETE FROM whine_schedules WHERE eventid = ?');

    $sth_whineidFromSchedules->execute($otherUserID, MAILTO_USER);
    while ($id = $sth_whineidFromSchedules->fetchrow_array()) {
        $sth_deleteWhineQuery->execute($id);
        $sth_deleteWhineSchedule->execute($id);
        $sth_deleteWhineEvent->execute($id);
    }

    $sth_whineidFromEvents->execute($otherUserID);
    while ($id = $sth_whineidFromEvents->fetchrow_array()) {
        $sth_deleteWhineQuery->execute($id);
        $sth_deleteWhineSchedule->execute($id);
        $sth_deleteWhineEvent->execute($id);
    }

    # 3) Bugs
    # 3.1) fall back to the default assignee
    $buglist = $dbh->selectall_arrayref(
        'SELECT bug_id, initialowner
         FROM bugs
         INNER JOIN components ON components.id = bugs.component_id
         WHERE assigned_to = ?', undef, $otherUserID);

    my $sth_updateAssignee = $dbh->prepare(
        'UPDATE bugs SET assigned_to = ?, delta_ts = ? WHERE bug_id = ?');

    foreach my $bug (@$buglist) {
        my ($bug_id, $default_assignee_id) = @$bug;
        $sth_updateAssignee->execute($default_assignee_id,
                                     $timestamp, $bug_id);
        $updatedbugs{$bug_id} = 1;
        $default_assignee_id ||= 0;
        $usercache{$default_assignee_id} ||=
            new Bugzilla::User($default_assignee_id);
        LogActivityEntry($bug_id, 'assigned_to', $otherUser->login,
                         $usercache{$default_assignee_id}->login,
                         $userid, $timestamp);
    }

    # 3.2) fall back to the default QA contact
    $buglist = $dbh->selectall_arrayref(
        'SELECT bug_id, initialqacontact
         FROM bugs
         INNER JOIN components ON components.id = bugs.component_id
         WHERE qa_contact = ?', undef, $otherUserID);

    my $sth_updateQAcontact = $dbh->prepare(
        'UPDATE bugs SET qa_contact = ?, delta_ts = ? WHERE bug_id = ?');

    foreach my $bug (@$buglist) {
        my ($bug_id, $default_qa_contact_id) = @$bug;
        $sth_updateQAcontact->execute($default_qa_contact_id,
                                      $timestamp, $bug_id);
        $updatedbugs{$bug_id} = 1;
        $default_qa_contact_id ||= 0;
        $usercache{$default_qa_contact_id} ||=
            new Bugzilla::User($default_qa_contact_id);
        LogActivityEntry($bug_id, 'qa_contact', $otherUser->login,
                         $usercache{$default_qa_contact_id}->login,
                         $userid, $timestamp);
    }

    # Finally, remove the user account itself.
    $dbh->do('DELETE FROM profiles WHERE userid = ?', undef, $otherUserID);

    $dbh->bz_unlock_tables();

    $vars->{'message'} = 'account_deleted';
    $vars->{'otheruser'}{'login'} = $otherUser->login;
    $vars->{'restrictablegroups'} = $user->bless_groups();
    $template->process('admin/users/search.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

    # Send mail about what we've done to bugs.
    # The deleted user is not notified of the changes.
    foreach (keys(%updatedbugs)) {
        Bugzilla::BugMail::Send($_);
    }

###########################################################################
} elsif ($action eq 'activity') {
    my $otherUser = check_user($otherUserID, $otherUserLogin);

    $vars->{'profile_changes'} = $dbh->selectall_arrayref(
        "SELECT profiles.login_name AS who, " .
                $dbh->sql_date_format('profiles_activity.profiles_when') . " AS activity_when,
                fielddefs.description AS what,
                profiles_activity.oldvalue AS removed,
                profiles_activity.newvalue AS added
         FROM profiles_activity
         INNER JOIN profiles ON profiles_activity.who = profiles.userid
         INNER JOIN fielddefs ON fielddefs.fieldid = profiles_activity.fieldid
         WHERE profiles_activity.userid = ?
         ORDER BY profiles_activity.profiles_when",
        {'Slice' => {}},
        $otherUser->id);

    $vars->{'otheruser'} = $otherUser;

    $template->process("account/profile-activity.html.tmpl", $vars)
        || ThrowTemplateError($template->error());

###########################################################################
} else {
    $vars->{'action'} = $action;
    ThrowCodeError('action_unrecognized', $vars);
}

exit;

###########################################################################
# Helpers
###########################################################################

# Try to build a user object using its ID, else its login name, and throw
# an error if the user does not exist.
sub check_user {
    my ($otherUserID, $otherUserLogin) = @_;

    my $otherUser;
    my $vars = {};

    if ($otherUserID) {
        $otherUser = Bugzilla::User->new($otherUserID);
        $vars->{'user_id'} = $otherUserID;
    }
    elsif ($otherUserLogin) {
        $otherUser = Bugzilla::User->new_from_login($otherUserLogin);
        $vars->{'user_login'} = $otherUserLogin;
    }
    ($otherUser && $otherUser->id) || ThrowCodeError('invalid_user', $vars);

    return $otherUser;
}

# Copy incoming list selection values from CGI params to template variables.
sub mirrorListSelectionValues {
    my $cgi = Bugzilla->cgi;
    if (defined($cgi->param('matchtype'))) {
        foreach ('matchvalue', 'matchstr', 'matchtype', 'grouprestrict', 'groupid') {
            $vars->{'listselectionvalues'}{$_} = $cgi->param($_);
        }
    }
}

# Retrieve user data for the user editing form. User creation and user
# editing code rely on this to call derive_groups().
sub userDataToVars {
    my $otheruserid = shift;
    my $otheruser = new Bugzilla::User($otheruserid);
    my $query;
    my $user = Bugzilla->user;
    my $dbh = Bugzilla->dbh;

    my $grouplist = $otheruser->groups_as_string;

    $vars->{'otheruser'} = $otheruser;
    $vars->{'groups'} = $user->bless_groups();

    $vars->{'permissions'} = $dbh->selectall_hashref(
        qq{SELECT id,
                  COUNT(directmember.group_id) AS directmember,
                  COUNT(regexpmember.group_id) AS regexpmember,
                  (CASE WHEN (groups.id IN ($grouplist)
                              AND COUNT(directmember.group_id) = 0
                              AND COUNT(regexpmember.group_id) = 0
                             ) THEN 1 ELSE 0 END) 
                      AS derivedmember,
                  COUNT(directbless.group_id) AS directbless
           FROM groups
           LEFT JOIN user_group_map AS directmember
                  ON directmember.group_id = id
                 AND directmember.user_id = ?
                 AND directmember.isbless = 0
                 AND directmember.grant_type = ?
           LEFT JOIN user_group_map AS regexpmember
                  ON regexpmember.group_id = id
                 AND regexpmember.user_id = ?
                 AND regexpmember.isbless = 0
                 AND regexpmember.grant_type = ?
           LEFT JOIN user_group_map AS directbless
                  ON directbless.group_id = id
                 AND directbless.user_id = ?
                 AND directbless.isbless = 1
                 AND directbless.grant_type = ?
          } . $dbh->sql_group_by('id'),
        'id', undef,
        ($otheruserid, GRANT_DIRECT,
         $otheruserid, GRANT_REGEXP,
         $otheruserid, GRANT_DIRECT));

    # Find indirect bless permission.
    $query = qq{SELECT groups.id
                FROM groups, group_group_map AS ggm
                WHERE groups.id = ggm.grantor_id
                  AND ggm.member_id IN ($grouplist)
                  AND ggm.grant_type = ?
               } . $dbh->sql_group_by('id');
    foreach (@{$dbh->selectall_arrayref($query, undef,
                                        (GROUP_BLESS))}) {
        # Merge indirect bless permissions into permission variable.
        $vars->{'permissions'}{${$_}[0]}{'indirectbless'} = 1;
    }
}

sub edit_processing {
    my $otherUser = shift;
    my $user = Bugzilla->user;
    my $template = Bugzilla->template;

    $user->in_group('editusers') || $user->can_see_user($otherUser)
        || ThrowUserError('auth_failure', {reason => "not_visible",
                                           action => "modify",
                                           object => "user"});

    userDataToVars($otherUser->id);

    $template->process('admin/users/edit.html.tmpl', $vars)
       || ThrowTemplateError($template->error());
}