summaryrefslogtreecommitdiffstats
path: root/editusers.cgi
blob: 82ad50bcfcb1c523bb03301065bc43b28e50828b (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
#!/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>

use strict;
use lib ".";

require "CGI.pl";
require "globals.pl";

use vars qw( $vars );

use Bugzilla;
use Bugzilla::User;
use Bugzilla::Config;
use Bugzilla::Constants;
use Bugzilla::Auth;
use Bugzilla::Util;

Bugzilla->login(LOGIN_REQUIRED);

my $cgi       = Bugzilla->cgi;
my $template  = Bugzilla->template;
my $dbh       = Bugzilla->dbh;
my $user      = Bugzilla->user;
my $userid    = $user->id;
my $editusers = $user->in_group('editusers');

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

print Bugzilla->cgi->header();

# Common CGI params
my $action       = $cgi->param('action') || 'search';
my $login        = $cgi->param('login');
my $password     = $cgi->param('password');
my $groupid      = $cgi->param('groupid');
my $otherUser    = new Bugzilla::User($cgi->param('userid'));
my $realname     = trim($cgi->param('name')         || '');
my $disabledtext = trim($cgi->param('disabledtext') || '');

# Directly from common CGI params derived values
my $otherUserID = $otherUser->id();

# 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.
    $vars->{'restrictablegroups'} = groupsUserMayBless($user, 'id', 'name');
    $template->process('admin/users/search.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

###########################################################################
} elsif ($action eq 'list') {
    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;

    if (Param('usevisibilitygroups')) {
        # Show only users in visible groups.
        my $visibleGroups = visibleGroupsAsString();
        $query .= qq{, user_group_map AS ugm
                     WHERE ugm.user_id = profiles.userid
                       AND ugm.isbless = 0
                       AND ugm.group_id IN ($visibleGroups)
                    };
        $nextCondition = 'AND';
    } else {
        if ($grouprestrict eq '1') {
            $query .= ', user_group_map AS ugm';
        }
        $nextCondition = 'WHERE';
    }

    # Selection by user name.
    if (defined($matchtype)) {
        $query .= " $nextCondition profiles.login_name ";
        if ($matchtype eq 'regexp') {
            $query .= $dbh->sql_regexp . ' ?';
            $matchstr = '.' unless $matchstr;
        } elsif ($matchtype eq 'notregexp') {
            $query .= $dbh->sql_not_regexp . ' ?';
            $matchstr = '.' unless $matchstr;
        } else { # substr or unknown
            $query .= '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);
    }

    # Selection by group.
    if ($grouprestrict eq '1') {
        $query .= " $nextCondition profiles.userid = ugm.user_id " .
                  'AND ugm.group_id = ?';
        # We can trick_taint because we use the value in a SELECT only, using
        # a placeholder.
        trick_taint($groupid);
        push(@bindValues, $groupid);
    }
    $query .= ' ORDER BY profiles.login_name';

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

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

    # Validity checks
    $login || ThrowUserError('user_login_required');
    CheckEmailSyntax($login);
    is_available_username($login) || ThrowUserError('account_exists',
                                                    {'email' => $login});
    ValidatePassword($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 $userid = $dbh->bz_last_key('profiles', 'userid');
    $dbh->bz_unlock_tables();
    userDataToVars($userid);

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

###########################################################################
} elsif ($action eq 'edit') {
    $otherUser 
        || ThrowCodeError('invalid_user_id', {'userid' => $cgi->param('userid')});

    canSeeUser($otherUserID)
        || ThrowUserError('auth_failure', {reason => "not_visible",
                                           action => "modify",
                                           object => "user"});

    userDataToVars($otherUserID);

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

###########################################################################
} elsif ($action eq 'update') {
    $otherUser
        || ThrowCodeError('invalid_user_id', {'userid' => $cgi->param('userid')});
    my $logoutNeeded = 0;
    my @changedFields;

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

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

    # 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.
            $login || ThrowUserError('user_login_required');
            CheckEmailSyntax($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.
            ValidatePassword($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);
            $logoutNeeded && Bugzilla->logout_user_by_id($otherUserID);
            $dbh->do('UPDATE profiles SET ' .
                     join(' = ?,', @changedFields).' = ? ' .
                     'WHERE userid = ?',
                     undef, @values);
            # XXX: should create profiles_activity entries.
        }
    }

    # 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 = ?
          });

    # We need the group names, too -- for display and for profiles_activity.
    my $groups = $dbh->selectall_hashref('SELECT id, name FROM groups', 'id');
    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 (@{groupsUserMayBless($user, 'id')}) {
        my $id = $$_{'id'};

        # 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, $$groups{$id}{'name'});
            } else {
                $sth_add_mapping->execute(
                    $otherUserID, $id, 0, GRANT_DIRECT);
                push(@groupsAddedTo, $$groups{$id}{'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, $$groups{$id}{'name'});
                } else {
                    $sth_add_mapping->execute(
                        $otherUserID, $id, 1, GRANT_DIRECT);
                    push(@groupsGrantedRightsToBless, $$groups{$id}{'name'});
                }
            }
        }
    }
    if (@groupsAddedTo || @groupsRemovedFrom) {
        $dbh->do(qq{INSERT INTO profiles_activity (
                           userid, who,
                           profiles_when, fieldid,
                           oldvalue, newvalue
                          ) VALUES (
                           ?, ?, now(), ?, ?, ?
                          )
                   },
                 undef,
                 ($otherUserID, $userid,
                  GetFieldID('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') {
    $otherUser
        || ThrowCodeError('invalid_user_id', {'userid' => $cgi->param('userid')});

    Param('allowuserdeletion') || ThrowUserError('users_deletion_disabled');
    $editusers || ThrowUserError('auth_failure', {group  => "editusers",
                                                  action => "delete",
                                                  object => "users"});
    canSeeUser($otherUserID) || ThrowUserError('auth_failure',
                                               {reason => "not_visible",
                                                action => "delete",
                                                object => "user"});

    $vars->{'otheruser'}      = $otherUser;
    $vars->{'editcomponents'} = UserInGroup('editcomponents');

    # If the user is initial owner or initial QA contact of a component,
    # then no deletion is possible.
    $vars->{'product_responsibilities'} = productResponsibilities($otherUserID);

    # Find other cross references.
    $vars->{'bugs'} = $dbh->selectrow_array(
        qq{SELECT COUNT(*)
           FROM bugs
           WHERE assigned_to = ? OR
                 qa_contact = ? OR
                 reporter = ?
          },
        undef, ($otherUserID, $otherUserID, $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->{'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->selectrow_array(
        'SELECT COUNT(*) FROM namedqueries WHERE userid = ?',
        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') {
    $otherUser
        || ThrowCodeError('invalid_user_id', {'userid' => $cgi->param('userid')});
    my $otherUserLogin = $otherUser->login();

    # 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('products READ',
                         'components READ',
                         'logincookies WRITE',
                         'profiles WRITE',
                         'profiles_activity WRITE',
                         'groups READ',
                         'user_group_map WRITE',
                         'group_group_map READ',
                         'flags WRITE',
                         'cc WRITE',
                         'namedqueries WRITE',
                         'tokens WRITE',
                         'votes WRITE',
                         'watch WRITE',
                         'series WRITE',
                         'series_data WRITE',
                         'whine_schedules WRITE',
                         'whine_queries WRITE',
                         'whine_events WRITE');

    Param('allowuserdeletion')
        || ThrowUserError('users_deletion_disabled');
    $editusers || ThrowUserError('auth_failure',
                                 {group  => "editusers",
                                  action => "delete",
                                  object => "users"});
    canSeeUser($otherUserID) || ThrowUserError('auth_failure',
                                               {reason => "not_visible",
                                                action => "delete",
                                                object => "user"});
    productResponsibilities($otherUserID)
        && ThrowUserError('user_has_responsibility');

    Bugzilla->logout_user_by_id($otherUserID);

    # Reference removals.
    $dbh->do('UPDATE flags set requestee_id = NULL WHERE requestee_id = ?',
             undef, $otherUserID);

    # Simple deletions in referred tables.
    $dbh->do('DELETE FROM cc WHERE who = ?', undef, $otherUserID);
    $dbh->do('DELETE FROM logincookies WHERE userid = ?', undef, $otherUserID);
    $dbh->do('DELETE FROM namedqueries WHERE userid = ?', 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));

    # 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);
    }

    # 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'} = $otherUserLogin;
    $vars->{'restrictablegroups'} = groupsUserMayBless($user, 'id', 'name');
    $template->process('admin/users/search.html.tmpl', $vars)
       || ThrowTemplateError($template->error());

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

exit;

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

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

# Give a list of IDs of groups the user can see.
sub visibleGroupsAsString {
    return join(', ', -1, @{$user->visible_groups_direct()});
}

# Give a list of IDs of groups the user may bless.
sub groupsUserMayBless {
    my $user = shift;
    my $fieldList = join(', ', @_);
    my $query;
    my $connector;
    my @bindValues;

    $user->derive_groups(1);

    if ($editusers) {
        $query = "SELECT DISTINCT $fieldList FROM groups";
        $connector = 'WHERE';
    } else {
        $query = qq{SELECT DISTINCT $fieldList
                    FROM groups, user_group_map AS ugm
                    LEFT JOIN group_group_map AS ggm
                           ON ggm.member_id = ugm.group_id
                          AND ggm.grant_type = ?
                    WHERE user_id = ?
                      AND ((id = group_id AND isbless = 1) OR
                           (id = grantor_id))
                   };
        @bindValues = (GROUP_BLESS, $userid);
        $connector = 'AND';
    }

    # If visibilitygroups are used, restrict the set of groups.
    if (Param('usevisibilitygroups')) {
        my $visibleGroups = visibleGroupsAsString();
        $query .= " $connector id in ($visibleGroups)";
    }

    $query .= ' ORDER BY name';

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

# Determine whether the user can see a user. (Checks for existence, too.)
sub canSeeUser {
    my $otherUserID = shift;
    my $query;

    if (Param('usevisibilitygroups')) {
        my $visibleGroups = visibleGroupsAsString();
        $query = qq{SELECT COUNT(DISTINCT userid)
                    FROM profiles, user_group_map
                    WHERE userid = ?
                    AND user_id = userid
                    AND isbless = 0
                    AND group_id IN ($visibleGroups)
                   };
    } else {
        $query = qq{SELECT COUNT(userid)
                    FROM profiles
                    WHERE userid = ?
                   };
    }
    return $dbh->selectrow_array($query, undef, $otherUserID);
}

# Retrieve product responsibilities, usable for both display and verification.
sub productResponsibilities {
    my $userid = shift;
    my $h = $dbh->selectall_arrayref(
           qq{SELECT products.name AS productname,
                     components.name AS componentname,
                     initialowner,
                     initialqacontact
              FROM products, components
              WHERE products.id = components.product_id
                AND ? IN (initialowner, initialqacontact)
             },
           {'Slice' => {}}, $userid);

    if (@$h) {
        return $h;
    } else {
        return undef;
    }
}

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

    $user->derive_groups();

    $vars->{'otheruser'} = $user;
    $vars->{'groups'} = groupsUserMayBless($user, 'id', 'name', 'description');
    $vars->{'disabledtext'} = $dbh->selectrow_array(
        'SELECT disabledtext FROM profiles WHERE userid = ?', undef, $userid);

    $vars->{'permissions'} = $dbh->selectall_hashref(
        qq{SELECT id,
                  COUNT(directmember.group_id) AS directmember,
                  COUNT(regexpmember.group_id) AS regexpmember,
                  COUNT(derivedmember.group_id) AS derivedmember,
                  COUNT(directbless.group_id) AS directbless
           FROM groups
           LEFT JOIN user_group_map AS directmember
                  ON directmember.group_id = id
                 AND directmember.user_id = ?
                 AND directmember.isbless = 0
                 AND directmember.grant_type = ?
           LEFT JOIN user_group_map AS regexpmember
                  ON regexpmember.group_id = id
                 AND regexpmember.user_id = ?
                 AND regexpmember.isbless = 0
                 AND regexpmember.grant_type = ?
           LEFT JOIN user_group_map AS derivedmember
                  ON derivedmember.group_id = id
                 AND derivedmember.user_id = ?
                 AND derivedmember.isbless = 0
                 AND derivedmember.grant_type = ?
           LEFT JOIN user_group_map AS directbless
                  ON directbless.group_id = id
                 AND directbless.user_id = ?
                 AND directbless.isbless = 1
                 AND directbless.grant_type = ?
           GROUP BY id
          },
        'id', undef,
        ($userid, GRANT_DIRECT,
         $userid, GRANT_REGEXP,
         $userid, GRANT_DERIVED,
         $userid, GRANT_DIRECT));

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