aboutsummaryrefslogtreecommitdiffstats
path: root/editflagtypes.cgi
blob: 4f85e6c65ea2499fc2bf3612b1cba69195ed8e0d (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
#!/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.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Myk Melez <myk@mozilla.org>
#                 Frédéric Buclin <LpSolit@gmail.com>

################################################################################
# Script Initialization
################################################################################

# Make it harder for us to do dangerous things in Perl.
use strict;
use lib qw(. lib);

# Use Bugzilla's flag modules for handling flag types.
use Bugzilla;
use Bugzilla::Constants;
use Bugzilla::Flag;
use Bugzilla::FlagType;
use Bugzilla::Group;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::Product;
use Bugzilla::Component;
use Bugzilla::Bug;
use Bugzilla::Attachment;
use Bugzilla::Token;

local our $cgi = Bugzilla->cgi;
local our $template = Bugzilla->template;
local our $vars = {};

# We need this everywhere.
$vars = get_products_and_components($vars);

# Make sure the user is logged in and is an administrator.
my $user = Bugzilla->login(LOGIN_REQUIRED);
$user->in_group('editcomponents')
  || ThrowUserError("auth_failure", {group  => "editcomponents",
                                     action => "edit",
                                     object => "flagtypes"});

################################################################################
# Main Body Execution
################################################################################

# All calls to this script should contain an "action" variable whose value
# determines what the user wants to do.  The code below checks the value of
# that variable and runs the appropriate code.

# Determine whether to use the action specified by the user or the default.
my $action = $cgi->param('action') || 'list';
my $token  = $cgi->param('token');
my @categoryActions;

if (@categoryActions = grep(/^categoryAction-.+/, $cgi->param())) {
    $categoryActions[0] =~ s/^categoryAction-//;
    processCategoryChange($categoryActions[0], $token);
    exit;
}

if    ($action eq 'list')           { list();           }
elsif ($action eq 'enter')          { edit($action);    }
elsif ($action eq 'copy')           { edit($action);    }
elsif ($action eq 'edit')           { edit($action);    }
elsif ($action eq 'insert')         { insert($token);   }
elsif ($action eq 'update')         { update($token);   }
elsif ($action eq 'confirmdelete')  { confirmDelete();  } 
elsif ($action eq 'delete')         { deleteType($token); }
elsif ($action eq 'deactivate')     { deactivate($token); }
else { 
    ThrowCodeError("action_unrecognized", { action => $action });
}

exit;

################################################################################
# Functions
################################################################################

sub list {
    my $product = validateProduct(scalar $cgi->param('product'));
    my $component = validateComponent($product, scalar $cgi->param('component'));
    my $product_id = $product ? $product->id : 0;
    my $component_id = $component ? $component->id : 0;
    my $show_flag_counts = (defined $cgi->param('show_flag_counts')) ? 1 : 0;

    # Define the variables and functions that will be passed to the UI template.
    $vars->{'selected_product'} = $cgi->param('product');
    $vars->{'selected_component'} = $cgi->param('component');

    my $bug_flagtypes;
    my $attach_flagtypes;

    # If a component is given, restrict the list to flag types available
    # for this component.
    if ($component) {
        $bug_flagtypes = $component->flag_types->{'bug'};
        $attach_flagtypes = $component->flag_types->{'attachment'};

        # Filter flag types if a group ID is given.
        $bug_flagtypes = filter_group($bug_flagtypes);
        $attach_flagtypes = filter_group($attach_flagtypes);

    }
    # If only a product is specified but no component, then restrict the list
    # to flag types available in at least one component of that product.
    elsif ($product) {
        $bug_flagtypes = $product->flag_types->{'bug'};
        $attach_flagtypes = $product->flag_types->{'attachment'};

        # Filter flag types if a group ID is given.
        $bug_flagtypes = filter_group($bug_flagtypes);
        $attach_flagtypes = filter_group($attach_flagtypes);
    }
    # If no product is given, then show all flag types available.
    else {
        $bug_flagtypes =
            Bugzilla::FlagType::match({'target_type' => 'bug',
                                       'group' => scalar $cgi->param('group')});

        $attach_flagtypes =
            Bugzilla::FlagType::match({'target_type' => 'attachment',
                                         'group' => scalar $cgi->param('group')});
    }

    if ($show_flag_counts) {
        my %bug_lists;
        my %map = ('+' => 'granted', '-' => 'denied', '?' => 'pending');

        foreach my $flagtype (@$bug_flagtypes, @$attach_flagtypes) {
            $bug_lists{$flagtype->id} = {};
            my $flags = Bugzilla::Flag->match({type_id => $flagtype->id});
            # Build lists of bugs, triaged by flag status.
            map { push(@{$bug_lists{$flagtype->id}->{$map{$_->status}}}, $_->bug_id) } @$flags;
        }
        $vars->{'bug_lists'} = \%bug_lists;
        $vars->{'show_flag_counts'} = 1;
    }

    $vars->{'bug_types'} = $bug_flagtypes;
    $vars->{'attachment_types'} = $attach_flagtypes;

    # Return the appropriate HTTP response headers.
    print $cgi->header();

    # Generate and return the UI (HTML page) from the appropriate template.
    $template->process("admin/flag-type/list.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}


sub edit {
    my ($action) = @_;

    my $flag_type;
    if ($action eq 'enter') {
        validateTargetType();
    }
    else {
        $flag_type = validateID();
    }

    $vars->{'last_action'} = $cgi->param('action');
    if ($cgi->param('action') eq 'enter' || $cgi->param('action') eq 'copy') {
        $vars->{'action'} = "insert";
        $vars->{'token'} = issue_session_token('add_flagtype');
    }
    else { 
        $vars->{'action'} = "update";
        $vars->{'token'} = issue_session_token('edit_flagtype');
    }

    # If copying or editing an existing flag type, retrieve it.
    if ($cgi->param('action') eq 'copy' || $cgi->param('action') eq 'edit') { 
        $vars->{'type'} = $flag_type;
    }
    # Otherwise set the target type (the minimal information about the type
    # that the template needs to know) from the URL parameter and default
    # the list of inclusions to all categories.
    else {
        my %inclusions;
        $inclusions{"__Any__:__Any__"} = "0:0";
        $vars->{'type'} = { 'target_type' => scalar $cgi->param('target_type'),
                            'inclusions'  => \%inclusions };
    }
    # Get a list of groups available to restrict this flag type against.
    my @groups = Bugzilla::Group->get_all;
    $vars->{'groups'} = \@groups;
    # Return the appropriate HTTP response headers.
    print $cgi->header();

    # Generate and return the UI (HTML page) from the appropriate template.
    $template->process("admin/flag-type/edit.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}

sub processCategoryChange {
    my ($categoryAction, $token) = @_;
    validateIsActive();
    validateIsRequestable();
    validateIsRequesteeble();
    validateAllowMultiple();
    
    my @inclusions = $cgi->param('inclusions');
    my @exclusions = $cgi->param('exclusions');
    if ($categoryAction eq 'include') {
        my $product = validateProduct(scalar $cgi->param('product'));
        my $component = validateComponent($product, scalar $cgi->param('component'));
        my $category = ($product ? $product->id : 0) . ":" .
                       ($component ? $component->id : 0);
        push(@inclusions, $category) unless grep($_ eq $category, @inclusions);
    }
    elsif ($categoryAction eq 'exclude') {
        my $product = validateProduct(scalar $cgi->param('product'));
        my $component = validateComponent($product, scalar $cgi->param('component'));
        my $category = ($product ? $product->id : 0) . ":" .
                       ($component ? $component->id : 0);
        push(@exclusions, $category) unless grep($_ eq $category, @exclusions);
    }
    elsif ($categoryAction eq 'removeInclusion') {
        my @inclusion_to_remove = $cgi->param('inclusion_to_remove');
        @inclusions = map {(lsearch(\@inclusion_to_remove, $_) < 0) ? $_ : ()} @inclusions;
    }
    elsif ($categoryAction eq 'removeExclusion') {
        my @exclusion_to_remove = $cgi->param('exclusion_to_remove');
        @exclusions = map {(lsearch(\@exclusion_to_remove, $_) < 0) ? $_ : ()} @exclusions;
    }
    
    # Convert the array @clusions('prod_ID:comp_ID') back to a hash of
    # the form %clusions{'prod_name:comp_name'} = 'prod_ID:comp_ID'
    my %inclusions = clusion_array_to_hash(\@inclusions);
    my %exclusions = clusion_array_to_hash(\@exclusions);

    my @groups = Bugzilla::Group->get_all;
    $vars->{'groups'} = \@groups;
    $vars->{'action'} = $cgi->param('action');

    my $type = {};
    foreach my $key ($cgi->param()) { $type->{$key} = $cgi->param($key) }
    # That's what I call a big hack. The template expects to see a group object.
    # This script needs some rewrite anyway.
    $type->{'grant_group'} = {};
    $type->{'grant_group'}->{'name'} = $cgi->param('grant_group');
    $type->{'request_group'} = {};
    $type->{'request_group'}->{'name'} = $cgi->param('request_group');

    $type->{'inclusions'} = \%inclusions;
    $type->{'exclusions'} = \%exclusions;
    $vars->{'type'} = $type;
    $vars->{'token'} = $token;

    # Return the appropriate HTTP response headers.
    print $cgi->header();

    # Generate and return the UI (HTML page) from the appropriate template.
    $template->process("admin/flag-type/edit.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}

# Convert the array @clusions('prod_ID:comp_ID') back to a hash of
# the form %clusions{'prod_name:comp_name'} = 'prod_ID:comp_ID'
sub clusion_array_to_hash {
    my $array = shift;
    my %hash;
    my %products;
    my %components;
    foreach my $ids (@$array) {
        trick_taint($ids);
        my ($product_id, $component_id) = split(":", $ids);
        my $product_name = "__Any__";
        if ($product_id) {
            $products{$product_id} ||= new Bugzilla::Product($product_id);
            $product_name = $products{$product_id}->name if $products{$product_id};
        }
        my $component_name = "__Any__";
        if ($component_id) {
            $components{$component_id} ||= new Bugzilla::Component($component_id);
            $component_name = $components{$component_id}->name if $components{$component_id};
        }
        $hash{"$product_name:$component_name"} = $ids;
    }
    return %hash;
}

sub insert {
    my $token = shift;
    check_token_data($token, 'add_flagtype');
    my $name = validateName();
    my $description = validateDescription();
    my $cc_list = validateCCList();
    validateTargetType();
    validateSortKey();
    validateIsActive();
    validateIsRequestable();
    validateIsRequesteeble();
    validateAllowMultiple();
    validateGroups();

    my $dbh = Bugzilla->dbh;

    my $target_type = $cgi->param('target_type') eq "bug" ? "b" : "a";

    $dbh->bz_start_transaction();

    # Insert a record for the new flag type into the database.
    $dbh->do('INSERT INTO flagtypes
                          (name, description, cc_list, target_type,
                           sortkey, is_active, is_requestable, 
                           is_requesteeble, is_multiplicable, 
                           grant_group_id, request_group_id) 
                   VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
              undef, ($name, $description, $cc_list, $target_type,
                      $cgi->param('sortkey'), $cgi->param('is_active'),
                      $cgi->param('is_requestable'), $cgi->param('is_requesteeble'),
                      $cgi->param('is_multiplicable'), scalar($cgi->param('grant_gid')),
                      scalar($cgi->param('request_gid'))));

    # Get the ID of the new flag type.
    my $id = $dbh->bz_last_key('flagtypes', 'id');

    # Populate the list of inclusions/exclusions for this flag type.
    validateAndSubmit($id);

    $dbh->bz_commit_transaction();

    $vars->{'name'} = $name;
    $vars->{'message'} = "flag_type_created";
    delete_token($token);

    $vars->{'bug_types'} = Bugzilla::FlagType::match({'target_type' => 'bug'});
    $vars->{'attachment_types'} = Bugzilla::FlagType::match({'target_type' => 'attachment'});

    # Return the appropriate HTTP response headers.
    print $cgi->header();

    $template->process("admin/flag-type/list.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}


sub update {
    my $token = shift;
    check_token_data($token, 'edit_flagtype');
    my $flag_type = validateID();
    my $id = $flag_type->id;
    my $name = validateName();
    my $description = validateDescription();
    my $cc_list = validateCCList();
    validateTargetType();
    validateSortKey();
    validateIsActive();
    validateIsRequestable();
    validateIsRequesteeble();
    validateAllowMultiple();
    validateGroups();

    my $dbh = Bugzilla->dbh;
    my $user = Bugzilla->user;
    $dbh->bz_start_transaction();
    $dbh->do('UPDATE flagtypes
                 SET name = ?, description = ?, cc_list = ?,
                     sortkey = ?, is_active = ?, is_requestable = ?,
                     is_requesteeble = ?, is_multiplicable = ?,
                     grant_group_id = ?, request_group_id = ?
               WHERE id = ?',
              undef, ($name, $description, $cc_list, $cgi->param('sortkey'),
                      $cgi->param('is_active'), $cgi->param('is_requestable'),
                      $cgi->param('is_requesteeble'), $cgi->param('is_multiplicable'),
                      scalar($cgi->param('grant_gid')), scalar($cgi->param('request_gid')),
                      $id));
    
    # Update the list of inclusions/exclusions for this flag type.
    validateAndSubmit($id);

    $dbh->bz_commit_transaction();

    # Clear existing flags for bugs/attachments in categories no longer on 
    # the list of inclusions or that have been added to the list of exclusions.
    my $flag_ids = $dbh->selectcol_arrayref('SELECT DISTINCT flags.id
                                               FROM flags
                                         INNER JOIN bugs
                                                 ON flags.bug_id = bugs.bug_id
                                    LEFT OUTER JOIN flaginclusions AS i
                                                 ON (flags.type_id = i.type_id 
                                                     AND (bugs.product_id = i.product_id
                                                          OR i.product_id IS NULL)
                                                     AND (bugs.component_id = i.component_id
                                                          OR i.component_id IS NULL))
                                              WHERE flags.type_id = ?
                                                AND i.type_id IS NULL',
                                             undef, $id);
    Bugzilla::Flag->force_retarget($flag_ids);

    $flag_ids = $dbh->selectcol_arrayref('SELECT DISTINCT flags.id
                                            FROM flags
                                      INNER JOIN bugs 
                                              ON flags.bug_id = bugs.bug_id
                                      INNER JOIN flagexclusions AS e
                                              ON flags.type_id = e.type_id
                                           WHERE flags.type_id = ?
                                             AND (bugs.product_id = e.product_id
                                                  OR e.product_id IS NULL)
                                             AND (bugs.component_id = e.component_id
                                                  OR e.component_id IS NULL)',
                                          undef, $id);
    Bugzilla::Flag->force_retarget($flag_ids);

    # Now silently remove requestees from flags which are no longer
    # specifically requestable.
    if (!$cgi->param('is_requesteeble')) {
        $dbh->do('UPDATE flags SET requestee_id = NULL WHERE type_id = ?',
                 undef, $id);
    }

    $vars->{'name'} = $name;
    $vars->{'message'} = "flag_type_changes_saved";
    delete_token($token);

    $vars->{'bug_types'} = Bugzilla::FlagType::match({'target_type' => 'bug'});
    $vars->{'attachment_types'} = Bugzilla::FlagType::match({'target_type' => 'attachment'});

    # Return the appropriate HTTP response headers.
    print $cgi->header();

    $template->process("admin/flag-type/list.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}


sub confirmDelete {
    my $flag_type = validateID();

    $vars->{'flag_type'} = $flag_type;
    $vars->{'token'} = issue_session_token('delete_flagtype');
    # Return the appropriate HTTP response headers.
    print $cgi->header();

    # Generate and return the UI (HTML page) from the appropriate template.
    $template->process("admin/flag-type/confirm-delete.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}


sub deleteType {
    my $token = shift;
    check_token_data($token, 'delete_flagtype');
    my $flag_type = validateID();
    my $id = $flag_type->id;
    my $dbh = Bugzilla->dbh;

    $dbh->bz_start_transaction();

    # Get the name of the flag type so we can tell users
    # what was deleted.
    $vars->{'name'} = $flag_type->name;

    $dbh->do('DELETE FROM flags WHERE type_id = ?', undef, $id);
    $dbh->do('DELETE FROM flaginclusions WHERE type_id = ?', undef, $id);
    $dbh->do('DELETE FROM flagexclusions WHERE type_id = ?', undef, $id);
    $dbh->do('DELETE FROM flagtypes WHERE id = ?', undef, $id);
    $dbh->bz_commit_transaction();

    $vars->{'message'} = "flag_type_deleted";
    delete_token($token);

    $vars->{'bug_types'} = Bugzilla::FlagType::match({'target_type' => 'bug'});
    $vars->{'attachment_types'} = Bugzilla::FlagType::match({'target_type' => 'attachment'});

    # Return the appropriate HTTP response headers.
    print $cgi->header();

    $template->process("admin/flag-type/list.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}


sub deactivate {
    my $token = shift;
    check_token_data($token, 'delete_flagtype');
    my $flag_type = validateID();
    validateIsActive();

    my $dbh = Bugzilla->dbh;

    $dbh->bz_start_transaction();
    $dbh->do('UPDATE flagtypes SET is_active = 0 WHERE id = ?', undef, $flag_type->id);
    $dbh->bz_commit_transaction();

    $vars->{'message'} = "flag_type_deactivated";
    $vars->{'flag_type'} = $flag_type;
    delete_token($token);

    $vars->{'bug_types'} = Bugzilla::FlagType::match({'target_type' => 'bug'});
    $vars->{'attachment_types'} = Bugzilla::FlagType::match({'target_type' => 'attachment'});

    # Return the appropriate HTTP response headers.
    print $cgi->header();

    # Generate and return the UI (HTML page) from the appropriate template.
    $template->process("admin/flag-type/list.html.tmpl", $vars)
      || ThrowTemplateError($template->error());
}

sub get_products_and_components {
    my $vars = shift;

    my @products = Bugzilla::Product->get_all;
    # We require all unique component names.
    my %components;
    foreach my $product (@products) {
        foreach my $component (@{$product->components}) {
            $components{$component->name} = 1;
        }
    }
    $vars->{'products'} = \@products;
    $vars->{'components'} = [sort(keys %components)];
    return $vars;
}

################################################################################
# Data Validation / Security Authorization
################################################################################

sub validateID {
    my $id = $cgi->param('id');
    my $flag_type = new Bugzilla::FlagType($id)
        || ThrowCodeError('flag_type_nonexistent', { id => $id });

    return $flag_type;
}

sub validateName {
    my $name = $cgi->param('name');
    ($name && $name !~ /[ ,]/ && length($name) <= 50)
      || ThrowUserError("flag_type_name_invalid",
                        { name => $name });
    trick_taint($name);
    return $name;
}

sub validateDescription {
    my $description = $cgi->param('description');
    length($description) < 2**16-1
      || ThrowUserError("flag_type_description_invalid");
    trick_taint($description);
    return $description;
}

sub validateCCList {
    my $cc_list = $cgi->param('cc_list');
    length($cc_list) <= 200
      || ThrowUserError("flag_type_cc_list_invalid", 
                        { cc_list => $cc_list });

    my @addresses = split(/[, ]+/, $cc_list);
    # We do not call Util::validate_email_syntax because these
    # addresses do not require to match 'emailregexp' and do not
    # depend on 'emailsuffix'. So we limit ourselves to a simple
    # sanity check:
    # - match the syntax of a fully qualified email address;
    # - do not contain any illegal character.
    foreach my $address (@addresses) {
        ($address =~ /^[\w\.\+\-=]+@[\w\.\-]+\.[\w\-]+$/
           && $address !~ /[\\\(\)<>&,;:"\[\] \t\r\n]/)
          || ThrowUserError('illegal_email_address',
                            {addr => $address, default => 1});
    }
    trick_taint($cc_list);
    return $cc_list;
}

sub validateProduct {
    my $product_name = shift;
    return unless $product_name;

    my $product = Bugzilla::Product::check_product($product_name);
    return $product;
}

sub validateComponent {
    my ($product, $component_name) = @_;
    return unless $component_name;

    ($product && $product->id)
      || ThrowUserError("flag_type_component_without_product");

    my $component = Bugzilla::Component->check({ product => $product,
                                                 name => $component_name });
    return $component;
}

sub validateSortKey {
    # $sortkey is destroyed if detaint_natural fails.
    my $sortkey = $cgi->param('sortkey');
    detaint_natural($sortkey)
      && $sortkey < 32768
      || ThrowUserError("flag_type_sortkey_invalid", 
                        { sortkey => scalar $cgi->param('sortkey') });
    $cgi->param('sortkey', $sortkey);
}

sub validateTargetType {
    grep($cgi->param('target_type') eq $_, ("bug", "attachment"))
      || ThrowCodeError("flag_type_target_type_invalid", 
                        { target_type => scalar $cgi->param('target_type') });
}

sub validateIsActive {
    $cgi->param('is_active', $cgi->param('is_active') ? 1 : 0);
}

sub validateIsRequestable {
    $cgi->param('is_requestable', $cgi->param('is_requestable') ? 1 : 0);
}

sub validateIsRequesteeble {
    $cgi->param('is_requesteeble', $cgi->param('is_requesteeble') ? 1 : 0);
}

sub validateAllowMultiple {
    $cgi->param('is_multiplicable', $cgi->param('is_multiplicable') ? 1 : 0);
}

sub validateGroups {
    my $dbh = Bugzilla->dbh;
    # Convert group names to group IDs
    foreach my $col ('grant', 'request') {
        my $name = $cgi->param($col . '_group');
        if ($name) {
            trick_taint($name);
            my $gid = $dbh->selectrow_array('SELECT id FROM groups
                                             WHERE name = ?', undef, $name);
            $gid || ThrowUserError("group_unknown", { name => $name });
            $cgi->param($col . '_gid', $gid);
        }
    }
}

# At this point, values either come the DB itself or have been recently
# added by the user and have passed all validation tests.
# The only way to have invalid product/component combinations is to
# hack the URL. So we silently ignore them, if any.
sub validateAndSubmit {
    my ($id) = @_;
    my $dbh = Bugzilla->dbh;

    # Cache product objects.
    my %products;
    foreach my $category_type ("inclusions", "exclusions") {
        # Will be used several times below.
        my $sth = $dbh->prepare("INSERT INTO flag$category_type " .
                                "(type_id, product_id, component_id) " .
                                "VALUES (?, ?, ?)");

        $dbh->do("DELETE FROM flag$category_type WHERE type_id = ?", undef, $id);
        foreach my $category ($cgi->param($category_type)) {
            trick_taint($category);
            my ($product_id, $component_id) = split(":", $category);
            # Does the product exist?
            if ($product_id) {
                $products{$product_id} ||= new Bugzilla::Product($product_id);
                next unless defined $products{$product_id};
            }
            # A component was selected without a product being selected.
            next if (!$product_id && $component_id);
            # Does the component belong to this product?
            if ($component_id) {
                my @match = grep {$_->id == $component_id} @{$products{$product_id}->components};
                next unless scalar(@match);
            }
            $product_id ||= undef;
            $component_id ||= undef;
            $sth->execute($id, $product_id, $component_id);
        }
    }
}

sub filter_group {
    my $flag_types = shift;
    return $flag_types unless Bugzilla->cgi->param('group');

    my $gid = scalar $cgi->param('group');
    my @flag_types = grep {($_->grant_group && $_->grant_group->id == $gid)
                           || ($_->request_group && $_->request_group->id == $gid)} @$flag_types;

    return \@flag_types;
}