summaryrefslogtreecommitdiffstats
path: root/extensions/BMO/Extension.pm
blob: 5ada4eb725435350b4aad739cfcd854a072caed7 (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
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
# -*- 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 BMO Bugzilla Extension.
#
# The Initial Developer of the Original Code is Gervase Markham.
# Portions created by the Initial Developer are Copyright (C) 2010 the
# Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Gervase Markham <gerv@gerv.net>
#   David Lawrence <dkl@mozilla.com>
#   Byron Jones <glob@mozilla.com>

package Bugzilla::Extension::BMO;
use strict;
use base qw(Bugzilla::Extension);

use Bugzilla::Constants;
use Bugzilla::Error;
use Bugzilla::Field;
use Bugzilla::Group;
use Bugzilla::Mailer;
use Bugzilla::Product;
use Bugzilla::Status;
use Bugzilla::Token;
use Bugzilla::Install::Filesystem;
use Bugzilla::User;
use Bugzilla::User::Setting;
use Bugzilla::Util;

use Date::Parse;
use DateTime;
use Email::MIME::ContentType qw(parse_content_type);
use Encode qw(find_encoding encode_utf8);
use File::MimeInfo::Magic;
use List::MoreUtils qw(natatime);
use Scalar::Util qw(blessed);
use List::Util qw(first);
use Sys::Syslog qw(:DEFAULT setlogsock);

use Bugzilla::Extension::BMO::Constants;
use Bugzilla::Extension::BMO::FakeBug;
use Bugzilla::Extension::BMO::Data;

our $VERSION = '0.1';

#
# Monkey-patched methods
#

BEGIN {
    *Bugzilla::Bug::last_closed_date = \&_last_closed_date;
    *Bugzilla::Product::default_security_group = \&_default_security_group;
    *Bugzilla::Product::default_security_group_obj = \&_default_security_group_obj;
    *Bugzilla::Product::group_always_settable = \&_group_always_settable;
    *Bugzilla::check_default_product_security_group = \&_check_default_product_security_group;
}

sub template_before_process {
    my ($self, $args) = @_;
    my $file = $args->{'file'};
    my $vars = $args->{'vars'};

    $vars->{'cf_hidden_in_product'} = \&cf_hidden_in_product;

    if ($file =~ /^list\/list/) {
        # Purpose: enable correct sorting of list table
        # Matched to changes in list/table.html.tmpl
        my %db_order_column_name_map = (
            'map_components.name' => 'component',
            'map_products.name' => 'product',
            'map_reporter.login_name' => 'reporter',
            'map_assigned_to.login_name' => 'assigned_to',
            'delta_ts' => 'opendate',
            'creation_ts' => 'changeddate',
        );

        my @orderstrings = split(/,\s*/, $vars->{'order'});

        # contains field names of the columns being used to sort the table.
        my @order_columns;
        foreach my $o (@orderstrings) {
            $o =~ s/bugs.//;
            $o = $db_order_column_name_map{$o} if 
                               grep($_ eq $o, keys(%db_order_column_name_map));
            next if (grep($_ eq $o, @order_columns));
            push(@order_columns, $o);
        }

        $vars->{'order_columns'} = \@order_columns;

        # fields that have a custom sortkey. (So they are correctly sorted 
        # when using js)
        my @sortkey_fields = qw(bug_status resolution bug_severity priority
                                rep_platform op_sys);

        my %columns_sortkey;
        foreach my $field (@sortkey_fields) {
            $columns_sortkey{$field} = _get_field_values_sort_key($field);
        }
        $columns_sortkey{'target_milestone'} = _get_field_values_sort_key('milestones');

        $vars->{'columns_sortkey'} = \%columns_sortkey;
    }
    elsif ($file =~ /^bug\/create\/create[\.-](.*)/) {
        my $format = $1;
        if (!$vars->{'cloned_bug_id'}) {
            # Allow status whiteboard values to be bookmarked
            $vars->{'status_whiteboard'} = 
                               Bugzilla->cgi->param('status_whiteboard') || "";
        }

        # Purpose: for pretty product chooser
        $vars->{'format'} = Bugzilla->cgi->param('format');

        if ($format eq 'doc.html.tmpl') {
            my $versions = Bugzilla::Product->new({ name => 'Core' })->versions;
            $vars->{'versions'} = [ reverse @$versions ];
        }
    }


    if ($file =~ /^list\/list/ || $file =~ /^bug\/create\/create[\.-]/) {
        # hack to allow the bug entry templates to use check_can_change_field 
        # to see if various field values should be available to the current user.
        $vars->{'default'} = Bugzilla::Extension::BMO::FakeBug->new($vars->{'default'} || {});
    }

    if ($file =~ /^attachment\/diff-header\./) {
        my $attachid = $vars->{attachid} ? $vars->{attachid} : $vars->{newid};
        $vars->{attachment} = Bugzilla::Attachment->new({ id => $attachid, cache => 1 })
            if $attachid;
    }
}

sub page_before_template {
    my ($self, $args) = @_;
    my $page = $args->{'page_id'};
    my $vars = $args->{'vars'};

    if ($page eq 'user_activity.html') {
        require Bugzilla::Extension::BMO::Reports::UserActivity;
        Bugzilla::Extension::BMO::Reports::UserActivity::report($vars);

    } elsif ($page eq 'triage_reports.html') {
        require Bugzilla::Extension::BMO::Reports::Triage;
        Bugzilla::Extension::BMO::Reports::Triage::report($vars);
    }
    elsif ($page eq 'group_admins.html') {
        require Bugzilla::Extension::BMO::Reports::Groups;
        Bugzilla::Extension::BMO::Reports::Groups::admins_report($vars);
    }
    elsif ($page eq 'group_membership.html' or $page eq 'group_membership.txt') {
        require Bugzilla::Extension::BMO::Reports::Groups;
        Bugzilla::Extension::BMO::Reports::Groups::membership_report($page, $vars);
    }
    elsif ($page eq 'group_members.html' or $page eq 'group_members.json') {
        require Bugzilla::Extension::BMO::Reports::Groups;
        Bugzilla::Extension::BMO::Reports::Groups::members_report($vars);
    }
    elsif ($page eq 'email_queue.html') {
        require Bugzilla::Extension::BMO::Reports::EmailQueue;
        Bugzilla::Extension::BMO::Reports::EmailQueue::report($vars);
    }
    elsif ($page eq 'release_tracking_report.html') {
        require Bugzilla::Extension::BMO::Reports::ReleaseTracking;
        Bugzilla::Extension::BMO::Reports::ReleaseTracking::report($vars);
    }
    elsif ($page eq 'product_security_report.html') {
        require Bugzilla::Extension::BMO::Reports::ProductSecurity;
        Bugzilla::Extension::BMO::Reports::ProductSecurity::report($vars);
    }
    elsif ($page eq 'fields.html') {
        # Recently global/field-descs.none.tmpl and bug/field-help.none.tmpl
        # were changed for better performance and are now only loaded once.
        # I have not found an easy way to allow our hook template to check if
        # it is called from pages/fields.html.tmpl. So we set a value in request_cache
        # that our hook template can see. 
        Bugzilla->request_cache->{'bmo_fields_page'} = 1;
    }
    elsif ($page eq 'query_database.html') {
        query_database($vars);
    }
    elsif ($page eq 'attachment_bounty_form.html') {
        bounty_attachment($vars);
    }
}

sub bounty_attachment {
    my ($vars) = @_;

    Bugzilla->user->in_group('bounty-team')
        || ThrowUserError("auth_failure", { group  => "bounty-team",
                                            action => "add",
                                            object => "bounty_attachments" });

    my $input      = Bugzilla->input_params;
    my $dbh        = Bugzilla->dbh;
    my $bug        = Bugzilla::Bug->check({ id => $input->{bug_id}, cache => 1 });
    my $attachment = first { $_ && is_bounty_attachment($_) } @{$bug->attachments};
    $vars->{bug}   = $bug;

    if ($input->{submit}) {
        ThrowUserError('bounty_attachment_missing_reporter')
            unless $input->{reporter_email};

        my @fields = qw( reporter_email amount_paid reported_date fixed_date awarded_date publish );
        my %form =  map { $_ => $input->{$_} } @fields;
        $form{credit} = [ grep { defined } map { $input->{"credit_$_"} } 1..3 ];

        $dbh->bz_start_transaction();
        if ($attachment) {
            $attachment->set(
                description => format_bounty_attachment_description(\%form)
            );
            $attachment->update;
        }
        else {
            my $attachment = Bugzilla::Attachment->create({
                bug         => $bug,
                isprivate   => 1,
                mimetype    => 'text/plain',
                data        => 'bounty',
                filename    => 'bugbounty.data',
                description => format_bounty_attachment_description(\%form),
            });
        }
        $dbh->bz_commit_transaction();

        print Bugzilla->cgi->redirect('show_bug.cgi?id=' . $bug->id);
        exit;
    }

    if ($attachment) {
        my $form = parse_bounty_attachment_description($attachment->description);
        $vars->{form} = $form;
    }
}

sub is_bounty_attachment {
    my ($attachment) = @_;

    return 0 unless $attachment->filename eq 'bugbounty.data';
    return 0 unless $attachment->contenttype eq 'text/plain';
    return 0 unless $attachment->isprivate;
    return $attachment->description =~ /^(?:[^,]*,)+[^,]*$/;
}

sub format_bounty_attachment_description {
    my ($form) = @_;
    my @fields = (
        @$form{qw( reporter_email amount_paid reported_date fixed_date awarded_date )},
        $form->{publish} ? 'true' : 'false',
        @{ $form->{credit} // [] }
    );

    return join(',', map { $_ // '' } @fields);
}

sub parse_bounty_attachment_description {
    my ($desc) = @_;

    my %map = ( true => 1, false => 0 );
    my $date = qr/\d{4}-\d{2}-\d{2}/;
    $desc =~ m!
        ^
        (?<reporter_email> [^,]+)      \s*,\s*
        (?<amount_paid>    [0-9]+)  ?  \s*,\s*
        (?<reported_date>  $date)   ?  \s*,\s*
        (?<fixed_date>     $date)   ?  \s*,\s*
        (?<awarded_date>   $date)   ?  \s*,\s*
        (?<publish>        (?i: true | false )) ?
        (?: \s*,\s* (?<credits>.*) ) ?
        $
    !x;

    return {
        reporter_email => $+{reporter_email} // '',
        amount_paid    => $+{amount_paid}    // '',
        reported_date  => $+{reported_date}  // '',
        fixed_date     => $+{fixed_date}     // '',
        awarded_date   => $+{awarded_date}   // '',
        publish        => $map{ $+{publish} // 'false' },
        credit         => [grep { $_ } split(/\s*,\s*/, $+{credits}) ]
    };
}

sub _get_field_values_sort_key {
    my ($field) = @_;
    my $dbh = Bugzilla->dbh;
    my $fields = $dbh->selectall_arrayref(
         "SELECT value, sortkey FROM $field
        ORDER BY sortkey, value");

    my %field_values;
    foreach my $field (@$fields) {
        my ($value, $sortkey) = @$field;
        $field_values{$value} = $sortkey;
    }
    return \%field_values;
}

sub active_custom_fields {
    my ($self, $args) = @_;
    my $fields    = $args->{'fields'};
    my $params    = $args->{'params'};
    my $product   = $params->{'product'};
    my $component = $params->{'component'};

    return if !$product;

    my $product_name   = blessed $product ? $product->name : $product;
    my $component_name = blessed $component ? $component->name : $component;

    my @tmp_fields;
    foreach my $field (@$$fields) { 
        next if cf_hidden_in_product($field->name, $product_name, $component_name);
        push(@tmp_fields, $field);
    }
    $$fields = \@tmp_fields;
}

sub cf_hidden_in_product {
    my ($field_name, $product_name, $component_name) = @_;

    # If used in buglist.cgi, we pass in one_product which is a Bugzilla::Product
    # elsewhere, we just pass the name of the product.
    $product_name = blessed($product_name)
                    ? $product_name->name
                    : $product_name;

    # Also in buglist.cgi, we pass in a list of components instead 
    # of a single component name everywhere else.
    my $component_list = [];
    if ($component_name) {
        $component_list = ref $component_name
                          ? $component_name
                          : [ $component_name ];
    }

    foreach my $field_re (keys %$cf_visible_in_products) {
        if ($field_name =~ $field_re) {
            # If no product given, for example more than one product
            # in buglist.cgi, then hide field by default
            return 1 if !$product_name;

            my $products = $cf_visible_in_products->{$field_re};
            foreach my $product (keys %$products) {
                my $components = $products->{$product};

                my $found_component = 0;
                if (@$components) {
                    foreach my $component (@$components) {
                        if (ref($component) eq 'Regexp') {
                            if (grep($_ =~ $component, @$component_list)) {
                                $found_component = 1;
                                last;
                            }
                        } else {
                            if (grep($_ eq $component, @$component_list)) {
                                $found_component = 1;
                                last;
                            }
                        }
                    }
                }

                # If product matches and at at least one component matches
                # from component_list (if a matching component was required), 
                # we allow the field to be seen
                if ($product eq $product_name && (!@$components || $found_component)) {
                    return 0;
                }
            }
            return 1;
        }
    }

    return 0;
}

# Purpose: CC certain email addresses on bugmail when a bug is added or 
# removed from a particular group.
sub bugmail_recipients {
    my ($self, $args) = @_;
    my $bug = $args->{'bug'};
    my $recipients = $args->{'recipients'};
    my $diffs = $args->{'diffs'};

    if (@$diffs) {
        # Changed bug
        foreach my $ref (@$diffs) {
            my $old = $ref->{old};
            my $new = $ref->{new};
            my $fieldname = $ref->{field_name};

            if ($fieldname eq "bug_group") {
                _cc_if_special_group($old, $recipients);
                _cc_if_special_group($new, $recipients);
            }
        }
    } else {
        # Determine if it's a new bug, or a comment without a field change
        my $comment_count = scalar @{$bug->comments};
        if ($comment_count == 1) {
            # New bug
            foreach my $group (@{ $bug->groups_in }) {
                _cc_if_special_group($group->{'name'}, $recipients);
            }
        }
    }
}

sub _cc_if_special_group {
    my ($group, $recipients) = @_;
    
    return if !$group;
    
    if (exists $group_change_notification{$group}) {
        foreach my $login (@{ $group_change_notification{$group} }) {
            my $id = login_to_id($login);
            $recipients->{$id}->{+REL_CC} = Bugzilla::BugMail::BIT_DIRECT();
        }
    }
}

sub _check_trusted {
    my ($field, $trusted, $priv_results) = @_;
    
    my $needed_group = $trusted->{'_default'} || "";
    foreach my $dfield (keys %$trusted) {
        if ($field =~ $dfield) {
            $needed_group = $trusted->{$dfield};
        }
    }
    if ($needed_group && !Bugzilla->user->in_group($needed_group)) {
        push (@$priv_results, PRIVILEGES_REQUIRED_EMPOWERED);
    }              
}

sub _is_field_set {
    my $value = shift;
    return $value ne '---' && $value !~ /\?$/;
}

sub bug_check_can_change_field {
    my ($self, $args) = @_;
    my $bug = $args->{'bug'};
    my $field = $args->{'field'};
    my $new_value = $args->{'new_value'};
    my $old_value = $args->{'old_value'};
    my $priv_results = $args->{'priv_results'};
    my $user = Bugzilla->user;

    if ($field =~ /^cf/ && !@$priv_results && $new_value ne '---') {
        # "other" custom field setters restrictions
        if (exists $cf_setters->{$field}) {
            my $in_group = 0;
            foreach my $group (@{$cf_setters->{$field}}) {
                if ($user->in_group($group, $bug->product_id)) {
                    $in_group = 1;
                    last;
                }
            }
            if (!$in_group) {
                push (@$priv_results, PRIVILEGES_REQUIRED_EMPOWERED);
            }
        }
    }
    elsif ($field eq 'resolution' && $new_value eq 'EXPIRED') {
        # The EXPIRED resolution should only be settable by gerv.
        if ($user->login ne 'gerv@mozilla.org') {
            push (@$priv_results, PRIVILEGES_REQUIRED_EMPOWERED);
        }

    } elsif ($field eq 'resolution' && $new_value eq 'FIXED') {
        # You need at least canconfirm to mark a bug as FIXED
        if (!$user->in_group('canconfirm', $bug->{'product_id'})) {
            push (@$priv_results, PRIVILEGES_REQUIRED_EMPOWERED);
        }

    } elsif (
        ($field eq 'bug_status' && $old_value eq 'VERIFIED')
        || ($field eq 'dup_id' && $bug->status->name eq 'VERIFIED')
        || ($field eq 'resolution' && $bug->status->name eq 'VERIFIED')
    ) {
        # You need at least editbugs to reopen a resolved/verified bug
        if (!$user->in_group('editbugs', $bug->{'product_id'})) {
            push (@$priv_results, PRIVILEGES_REQUIRED_EMPOWERED);
        }

    } elsif ($user->in_group('canconfirm', $bug->{'product_id'})) {
        # Canconfirm is really "cantriage"; users with canconfirm can also mark 
        # bugs as DUPLICATE, WORKSFORME, and INCOMPLETE.
        if ($field eq 'bug_status'
            && is_open_state($old_value)
            && !is_open_state($new_value))
        {
            push (@$priv_results, PRIVILEGES_REQUIRED_NONE);
        }
        elsif ($field eq 'resolution' && 
               ($new_value eq 'DUPLICATE' ||
                $new_value eq 'WORKSFORME' ||
                $new_value eq 'INCOMPLETE'))
        {
            push (@$priv_results, PRIVILEGES_REQUIRED_NONE);
        }

    } elsif ($field eq 'bug_status') {
        # Disallow reopening of bugs which have been resolved for > 1 year
        if (is_open_state($new_value) 
            && !is_open_state($old_value)
            && $bug->resolution eq 'FIXED') 
        {
            my $days_ago = DateTime->now(time_zone => Bugzilla->local_timezone);
            $days_ago->subtract(days => 365);
            my $last_closed = datetime_from($bug->last_closed_date);
            if ($last_closed lt $days_ago) {
                push (@$priv_results, PRIVILEGES_REQUIRED_EMPOWERED);
            }
        }
    }
}

# link up various Mozilla-specific strings
sub bug_format_comment {
    my ($self, $args) = @_;
    my $regexes = $args->{'regexes'};

    # link to crash-stats
    # Only match if not already in an URL using the negative lookbehind (?<!\/)
    push (@$regexes, {
        match => qr/(?<!\/)\bbp-([a-f0-9]{8}\-[a-f0-9]{4}\-[a-f0-9]{4}\-
                                 [a-f0-9]{4}\-[a-f0-9]{12})\b/x,
        replace => sub {
            my $args = shift;
            my $match = html_quote($args->{matches}->[0]);
            return qq{<a href="https://crash-stats.mozilla.com/report/index/$match">bp-$match</a>};
        }
    });

    # link to CVE/CAN security releases
    push (@$regexes, {
        match => qr/(?<!\/|=)\b((?:CVE|CAN)-\d{4}-(?:\d{4}|[1-9]\d{4,6})(?!\d))\b/,
        replace => sub {
            my $args = shift;
            my $match = html_quote($args->{matches}->[0]);
            return qq{<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=$match">$match</a>};
        }
    });

    # link to svn.m.o
    push (@$regexes, {
        match => qr/\br(\d{4,})\b/,
        replace => sub {
            my $args = shift;
            my $match = html_quote($args->{matches}->[0]);
            return qq{<a href="http://viewvc.svn.mozilla.org/vc?view=rev&amp;revision=$match">r$match</a>};
        }
    });

    # link bzr commit messages
    push (@$regexes, {
        match => qr/\b(Committing\s+to:\sbzr\+ssh:\/\/
                    (?:[^\@]+\@)?(bzr\.mozilla\.org[^\n]+)\n.*?\bCommitted\s)
                    (revision\s(\d+))/sx,
        replace => sub {
            my $args = shift;
            my $preamble = html_quote($args->{matches}->[0]);
            my $url = html_quote($args->{matches}->[1]);
            my $text = html_quote($args->{matches}->[2]);
            my $id = html_quote($args->{matches}->[3]);
            $url =~ s/\s+$//;
            $url =~ s/\/$//;
            return qq{$preamble<a href="http://$url/revision/$id">$text</a>};
        }
    });

    # link git.mozilla.org commit messages
    push (@$regexes, {
        match => qr#^(To\s(?:ssh://)?(?:[^\@]+\@)?git\.mozilla\.org[:/](.+?\.git)\n
                    \s+)([0-9a-z]+\.\.([0-9a-z]+)\s+\S+\s->\s\S+)#mx,
        replace => sub {
            my $args = shift;
            my $preamble = html_quote($args->{matches}->[0]);
            my $repo = html_quote($args->{matches}->[1]);
            my $text = $args->{matches}->[2];
            my $revision = $args->{matches}->[3];
            return qq#$preamble<a href="http://git.mozilla.org/?p=$repo;a=commitdiff;h=$revision">$text</a>#;
        }
    });

    # link to hg.m.o
    # Note: for grouping in this regexp, always use non-capturing parentheses.
    my $hgrepos = join('|', qw!(?:releases/)?comm-[\w.]+ 
                               (?:releases/)?mozilla-[\w.]+
                               (?:releases/)?mobile-[\w.]+
                               tracemonkey
                               tamarin-[\w.]+
                               camino!);

    push (@$regexes, {
        match => qr/\b(($hgrepos)\s+changeset:?\s+(?:\d+:)?([0-9a-fA-F]{12}))\b/,
        replace => sub {
            my $args = shift;
            my $text = html_quote($args->{matches}->[0]);
            my $repo = html_quote($args->{matches}->[1]);
            my $id   = html_quote($args->{matches}->[2]);
            $repo = 'integration/mozilla-inbound' if $repo eq 'mozilla-inbound';
            return qq{<a href="https://hg.mozilla.org/$repo/rev/$id">$text</a>};
        }
    });
}

sub quicksearch_map {
    my ($self, $args) = @_;
    my $map = $args->{'map'};

    foreach my $name (keys %$map) {
        if ($name =~ /cf_crash_signature$/) {
            $map->{'sig'} = $name;
        }
    }
}

sub object_end_of_create {
    my ($self, $args) = @_;
    my $class = $args->{class};

    if ($class eq 'Bugzilla::User') {
        my $user = $args->{object};

        # Log real IP addresses for auditing
        _syslog(sprintf('[audit] <%s> created user %s', remote_ip(), $user->login));

        # Add default searches to new user's footer
        my $dbh = Bugzilla->dbh;

        my $sharer = Bugzilla::User->new({ name => 'nobody@mozilla.org' })
            or return;
        my $group = Bugzilla::Group->new({ name => 'everyone' })
            or return;

        foreach my $definition (@default_named_queries) {
            my ($namedquery_id) = _get_named_query($sharer->id, $group->id, $definition);
            $dbh->do(
                "INSERT INTO namedqueries_link_in_footer(namedquery_id,user_id) VALUES (?,?)",
                undef,
                $namedquery_id, $user->id
            );
        }

    } elsif ($class eq 'Bugzilla::Bug') {
        # Log real IP addresses for auditing
        _syslog(sprintf('[audit] %s <%s> created bug %s',
            Bugzilla->user->login, remote_ip(), $args->{object}->id));
    }
}

sub _get_named_query {
    my ($sharer_id, $group_id, $definition) = @_;
    my $dbh = Bugzilla->dbh;
    # find existing namedquery
    my ($namedquery_id) = $dbh->selectrow_array(
        "SELECT id FROM namedqueries WHERE userid=? AND name=?",
        undef,
        $sharer_id, $definition->{name}
    );
    return $namedquery_id if $namedquery_id;
    # create namedquery
    $dbh->do(
        "INSERT INTO namedqueries(userid,name,query) VALUES (?,?,?)",
        undef,
        $sharer_id, $definition->{name}, $definition->{query}
    );
    $namedquery_id = $dbh->bz_last_key();
    # and share it
    $dbh->do(
        "INSERT INTO namedquery_group_map(namedquery_id,group_id) VALUES (?,?)",
        undef,
        $namedquery_id, $group_id,
    );
    return $namedquery_id;
}

# Automatically CC users to bugs based on group & product
sub bug_end_of_create {
    my ($self, $args) = @_;
    my $bug = $args->{'bug'};

    foreach my $group_name (keys %group_auto_cc) {
        my $group_obj = Bugzilla::Group->new({ name => $group_name });
        if ($group_obj && $bug->in_group($group_obj)) {
            my $ra_logins = exists $group_auto_cc{$group_name}->{$bug->product}
                            ? $group_auto_cc{$group_name}->{$bug->product}
                            : $group_auto_cc{$group_name}->{'_default'};
            foreach my $login (@$ra_logins) {
                $bug->add_cc($login);
            }
        }
    }
}

# detect github pull requests and reviewboard reviews, set the content-type
sub attachment_process_data {
    my ($self, $args) = @_;
    my $attributes = $args->{attributes};

    # must be a text attachment
    return unless $attributes->{mimetype} eq 'text/plain';

    # check the attachment size, and get attachment content if it isn't too large
    my $data = $attributes->{data};
    my $url;
    if (blessed($data) && blessed($data) eq 'Fh') {
        # filehandle
        my $size = -s $data;
        return if $size > 256;
        sysread($data, $url, $size);
        seek($data, 0, 0);
    } else {
        # string
        $url = $data;
    }

    if (my $content_type = _get_review_content_type($url)) {
        $attributes->{mimetype} = $content_type;
        $attributes->{ispatch}  = 0;
    }
}

sub _get_review_content_type {
    my ($url) = @_;

    # trim and check for the pull request url
    return unless defined $url;
    return if length($url) > 256;
    $url = trim($url);
    return if $url =~ /\s/;

    if ($url =~ m#^https://github\.com/[^/]+/[^/]+/pull/\d+/?$#i) {
        return GITHUB_PR_CONTENT_TYPE;
    }
    if ($url =~ m#^https?://reviewboard(?:-dev)?\.(?:allizom|mozilla)\.org/r/\d+/?#i) {
        return RB_REQUEST_CONTENT_TYPE;
    }
    return;
}

# redirect automatically to github urls
sub attachment_view {
    my ($self, $args) = @_;
    my $attachment = $args->{attachment};
    my $cgi = Bugzilla->cgi;

    # don't redirect if the content-type is specified explicitly
    return if defined $cgi->param('content_type');

    # must be our github/reviewboard content-type
    return unless
        $attachment->contenttype eq GITHUB_PR_CONTENT_TYPE
        or $attachment->contenttype eq RB_REQUEST_CONTENT_TYPE;

    # must still be a valid url
    return unless _get_review_content_type($attachment->data);

    # redirect
    print $cgi->redirect(trim($attachment->data));
    exit;
}

sub install_before_final_checks {
    my ($self, $args) = @_;

    # Add product chooser setting
    add_setting('product_chooser',
                ['pretty_product_chooser', 'full_product_chooser'],
                'pretty_product_chooser');

    # Add option to inject x-bugzilla headers into the message body to work
    # around gmail filtering limitations
    add_setting('headers_in_body', ['on', 'off'], 'off');

    # Migrate from 'gmail_threading' setting to 'bugmail_new_prefix'
    my $dbh = Bugzilla->dbh;
    if ($dbh->selectrow_array("SELECT 1 FROM setting WHERE name='gmail_threading'")) {
        $dbh->bz_start_transaction();
        $dbh->do("UPDATE profile_setting
                     SET setting_value='on-temp'
                   WHERE setting_name='gmail_threading' AND setting_value='Off'");
        $dbh->do("UPDATE profile_setting
                     SET setting_value='off'
                   WHERE setting_name='gmail_threading' AND setting_value='On'");
        $dbh->do("UPDATE profile_setting
                     SET setting_value='on'
                   WHERE setting_name='gmail_threading' AND setting_value='on-temp'");
        $dbh->do("UPDATE profile_setting
                     SET setting_name='bugmail_new_prefix'
                   WHERE setting_name='gmail_threading'");
        $dbh->do("DELETE FROM setting WHERE name='gmail_threading'");
        $dbh->bz_commit_transaction();
    }
}

# Migrate old is_active stuff to new patch (is in core in 4.2), The old column
# name was 'is_active', the new one is 'isactive' (no underscore).
sub install_update_db {
    my $dbh = Bugzilla->dbh;
    
    if ($dbh->bz_column_info('milestones', 'is_active')) {
        $dbh->do("UPDATE milestones SET isactive = 0 WHERE is_active = 0;");
        $dbh->bz_drop_column('milestones', 'is_active');
        $dbh->bz_drop_column('milestones', 'is_searchable');
    }
}

sub _last_closed_date {
    my ($self) = @_;
    my $dbh = Bugzilla->dbh;

    return $self->{'last_closed_date'} if defined $self->{'last_closed_date'};

    my $closed_statuses = "'" . join("','", map { $_->name } closed_bug_statuses()) . "'";
    my $status_field_id = get_field_id('bug_status');

    $self->{'last_closed_date'} = $dbh->selectrow_array("
        SELECT bugs_activity.bug_when
          FROM bugs_activity
         WHERE bugs_activity.fieldid = ?
               AND bugs_activity.added IN ($closed_statuses)
               AND bugs_activity.bug_id = ?
      ORDER BY bugs_activity.bug_when DESC " . $dbh->sql_limit(1),
        undef, $status_field_id, $self->id
    );

    return $self->{'last_closed_date'};
}

sub field_end_of_create {
    my ($self, $args) = @_;
    my $field = $args->{'field'};

    # Create an IT bug so Mozilla's DBAs so they can update the grants for metrics

    if (Bugzilla->params->{'urlbase'} ne 'https://bugzilla.mozilla.org/'
        && Bugzilla->params->{'urlbase'} ne 'https://bugzilla.allizom.org/')
    {
        return;
    }

    my $name = $field->name;

    if (Bugzilla->usage_mode == USAGE_MODE_CMDLINE) {
        Bugzilla->set_user(Bugzilla::User->check({ name => 'nobody@mozilla.org' }));
        print "Creating IT permission grant bug for new field '$name'...";
    }

    my $bug_data = {
        short_desc   => "Custom field '$name' added to bugzilla.mozilla.org",
        product      => 'mozilla.org',
        component    => 'Server Operations: Database',
        bug_severity => 'normal',
        op_sys       => 'All',
        rep_platform => 'All',
        version      => 'other',
    };

    my $comment = <<COMMENT;
The custom field '$name' has been added to the BMO database.
Please run the following on bugzilla1.db.scl3.mozilla.com:
COMMENT

    if ($field->type == FIELD_TYPE_SINGLE_SELECT
        || $field->type == FIELD_TYPE_MULTI_SELECT) {
        $comment .= <<COMMENT;
  GRANT SELECT ON `bugs`.`$name` TO 'metrics'\@'10.22.70.20_';
  GRANT SELECT ON `bugs`.`$name` TO 'metrics'\@'10.22.70.21_';
COMMENT
    }
    if ($field->type == FIELD_TYPE_MULTI_SELECT) {
        $comment .= <<COMMENT;
  GRANT SELECT ON `bugs`.`bug_$name` TO 'metrics'\@'10.22.70.20_';
  GRANT SELECT ON `bugs`.`bug_$name` TO 'metrics'\@'10.22.70.21_';
COMMENT
    }
    if ($field->type != FIELD_TYPE_MULTI_SELECT) {
        $comment .= <<COMMENT;
  GRANT SELECT ($name) ON `bugs`.`bugs` TO 'metrics'\@'10.22.70.20_';
  GRANT SELECT ($name) ON `bugs`.`bugs` TO 'metrics'\@'10.22.70.21_';
COMMENT
    }

    $bug_data->{'comment'} = $comment;

    my $old_error_mode = Bugzilla->error_mode;
    Bugzilla->error_mode(ERROR_MODE_DIE);

    my $new_bug = eval { Bugzilla::Bug->create($bug_data) };

    my $error = $@;
    undef $@;
    Bugzilla->error_mode($old_error_mode);

    if ($error || !($new_bug && $new_bug->{'bug_id'})) {
        warn "Error creating IT bug for new field $name: $error";
        if (Bugzilla->usage_mode == USAGE_MODE_CMDLINE) {
            print "\nError: $error\n";
        }
    }
    else {
        Bugzilla::BugMail::Send($new_bug->id, { changer => Bugzilla->user });
        if (Bugzilla->usage_mode == USAGE_MODE_CMDLINE) {
            print "bug " . $new_bug->id . " created.\n";
        }
    }
}

sub webservice {
    my ($self,  $args) = @_;

    my $dispatch = $args->{dispatch};
    $dispatch->{BMO} = "Bugzilla::Extension::BMO::WebService";
}

our $search_content_matches;
BEGIN {
    $search_content_matches = \&Bugzilla::Search::_content_matches;
}

sub search_operator_field_override {
    my ($self, $args) = @_;
    my $search = $args->{'search'};
    my $operators = $args->{'operators'};

    my $cgi = Bugzilla->cgi;
    my @comments = $cgi->param('comments');
    my $exclude_comments = scalar(@comments) && !grep { $_ eq '1' } @comments;

    if ($cgi->param('query_format')
        && $cgi->param('query_format') eq 'specific'
        && $exclude_comments
    ) {
        # use the non-comment operator
        $operators->{'content'}->{matches} = \&_short_desc_matches;
        $operators->{'content'}->{notmatches} = \&_short_desc_matches;

    } else {
        # restore default content operator
        $operators->{'content'}->{matches} = $search_content_matches;
        $operators->{'content'}->{notmatches} = $search_content_matches;
    }
}

sub _short_desc_matches {
    # copy of Bugzilla::Search::_content_matches with comment searching removed

    my ($self, $args) = @_;
    my ($chart_id, $joins, $fields, $operator, $value) =
        @$args{qw(chart_id joins fields operator value)};
    my $dbh = Bugzilla->dbh;

    # Add the fulltext table to the query so we can search on it.
    my $table = "bugs_fulltext_$chart_id";
    push(@$joins, { table => 'bugs_fulltext', as => $table });

    # Create search terms to add to the SELECT and WHERE clauses.
    my ($term, $rterm) =
        $dbh->sql_fulltext_search("$table.short_desc", $value, 2);
    $rterm = $term if !$rterm;

    # The term to use in the WHERE clause.
    if ($operator =~ /not/i) {
        $term = "NOT($term)";
    }
    $args->{term} = $term;

    my $current = $self->COLUMNS->{'relevance'}->{name};
    $current = $current ? "$current + " : '';
    # For NOT searches, we just add 0 to the relevance.
    my $select_term = $operator =~ /not/ ? 0 : "($current$rterm)";
    $self->COLUMNS->{'relevance'}->{name} = $select_term;
}

sub mailer_before_send {
    my ($self, $args) = @_;
    my $email = $args->{email};

    _log_sent_email($email);

    # $bug->mentors is added by the Review extension
    if (Bugzilla::Bug->can('mentors')) {
        _add_mentors_header($email);
    }

    # insert x-bugzilla headers into the body
    _inject_headers_into_body($email);
}

# Log a summary of bugmail sent to the syslog, for auditing and monitoring
sub _log_sent_email {
    my $email = shift;

    my $recipient = $email->header('to');
    return unless $recipient;

    my $subject = $email->header('Subject');

    my $bug_id = $email->header('X-Bugzilla-ID');
    if (!$bug_id && $subject =~ /[\[\(]Bug (\d+)/i) {
        $bug_id = $1;
    }
    $bug_id = $bug_id ? "bug-$bug_id" : '-';

    my $message_type;
    my $type = $email->header('X-Bugzilla-Type');
    my $reason = $email->header('X-Bugzilla-Reason');
    if ($type eq 'whine' || $type eq 'request' || $type eq 'admin') {
        $message_type = $type;
    } elsif ($reason && $reason ne 'None') {
        $message_type = $reason;
    } else {
        $message_type = $email->header('X-Bugzilla-Watch-Reason');
    }
    $message_type ||= $type || '?';

    $subject =~ s/[\[\(]Bug \d+[\]\)]\s*//;

    _syslog("[bugmail] $recipient ($message_type) $bug_id $subject");
}

# Add X-Bugzilla-Mentors field to bugmail
sub _add_mentors_header {
    my $email = shift;
    return unless my $bug_id = $email->header('X-Bugzilla-ID');
    return unless my $bug = Bugzilla::Bug->new({ id => $bug_id, cache => 1 });
    return unless my $mentors = $bug->mentors;
    return unless @$mentors;
    $email->header_set('X-Bugzilla-Mentors', join(', ', map { $_->login } @$mentors));
}

sub _inject_headers_into_body {
    my $email = shift;
    my $replacement = '';

    my $recipient = Bugzilla::User->new({ name => $email->header('To'), cache => 1 });
    if ($recipient
        && $recipient->settings->{headers_in_body}->{value} eq 'on')
    {
        my @headers;
        my $it = natatime(2, $email->header_pairs);
        while (my ($name, $value) = $it->()) {
            next unless $name =~ /^X-Bugzilla-(.+)/;
            if ($name eq 'X-Bugzilla-Flags' || $name eq 'X-Bugzilla-Changed-Field-Names') {
                # these are multi-value fields, split on space
                foreach my $v (split(/\s+/, $value)) {
                    push @headers, "$name: $v";
                }
            }
            elsif ($name eq 'X-Bugzilla-Changed-Fields') {
                # cannot split on space for this field, because field names contain
                # spaces.  instead work from a list of field names.
                my @fields =
                    map { $_->description }
                    @{ Bugzilla->fields };
                # these aren't real fields, but exist in the headers
                push @fields, ('Comment Created', 'Attachment Created');
                @fields =
                    sort { length($b) <=> length($a) }
                    @fields;
                while ($value ne '') {
                    foreach my $field (@fields) {
                        if ($value eq $field) {
                            push @headers, "$name: $field";
                            $value = '';
                            last;
                        }
                        if (substr($value, 0, length($field) + 1) eq $field . ' ') {
                            push @headers, "$name: $field";
                            $value = substr($value, length($field) + 1);
                            last;
                        }
                    }
                }
            }
            else {
                push @headers, "$name: $value";
            }
        }
        $replacement = join("\n", @headers);
    }

    # update the message body
    if (scalar($email->parts) > 1) {
        $email->walk_parts(sub {
            my ($part) = @_;

            # skip top-level
            return if $part->parts > 1;

            # do not filter attachments such as patches, etc.
            return if
                $part->header('Content-Disposition')
                && $part->header('Content-Disposition') =~ /attachment/;

            # text/plain|html only
            return unless $part->content_type =~ /^text\/(?:html|plain)/;

            # hide in html content
            if ($replacement && $part->content_type =~ /^text\/html/) {
                $replacement = '<pre style="font-size: 0pt; color: #fff">' . $replacement . '</pre>';
            }

            # and inject
            _replace_placeholder_in_part($part, $replacement);
        });

        # force Email::MIME to re-create all the parts.  without this
        # as_string() doesn't return the updated body for multi-part sub-parts.
        $email->parts_set([ $email->subparts ]);
    }
    else {
        # text-only email
        _replace_placeholder_in_part($email, $replacement);
    }
}

sub _replace_placeholder_in_part {
    my ($part, $replacement) = @_;

    _fix_encoding($part);

    # replace
    my $placeholder = quotemeta('@@body-headers@@');
    my $body = $part->body_str;
    $body =~ s/$placeholder/$replacement/;
    $part->body_str_set($body);
}

sub _fix_encoding {
    my $part = shift;

    # don't touch the top-level part of multi-part mail
    return if $part->parts > 1;

    # nothing to do if the part already has a charset
    my $ct = parse_content_type($part->content_type);
    my $charset = $ct->{attributes}{charset}
        ? $ct->{attributes}{charset}
        : '';
    return unless !$charset || $charset eq 'us-ascii';

    if (Bugzilla->params->{utf8}) {
        $part->charset_set('UTF-8');
        my $raw = $part->body_raw;
        if (utf8::is_utf8($raw)) {
            utf8::encode($raw);
            $part->body_set($raw);
        }
    }
    $part->encoding_set('quoted-printable');
}

sub _syslog {
    my $message = shift;
    openlog('apache', 'cons,pid', 'local4');
    syslog('notice', encode_utf8($message));
    closelog();
}

sub post_bug_after_creation {
    my ($self, $args) = @_;
    return unless my $format = Bugzilla->input_params->{format};
    my $bug = $args->{vars}->{bug};

    if ($format eq 'employee-incident'
        && $bug->component eq 'Server Operations: Desktop Issues')
    {
        $self->_post_employee_incident_bug($args);
    }
    elsif ($format eq 'swag') {
        $self->_post_gear_bug($args);
    }
    elsif ($format eq 'mozpr') {
        $self->_post_mozpr_bug($args);
    }
}

sub _post_employee_incident_bug {
    my ($self, $args) = @_;
    my $vars = $args->{vars};
    my $bug = $vars->{bug};

    my $error_mode_cache = Bugzilla->error_mode;
    Bugzilla->error_mode(ERROR_MODE_DIE);

    my $template = Bugzilla->template;
    my $cgi = Bugzilla->cgi;

    my ($investigate_bug, $ssh_key_bug);
    my $old_user = Bugzilla->user;
    eval {
        Bugzilla->set_user(Bugzilla::User->new({ name => 'nobody@mozilla.org' }));
        my $new_user = Bugzilla->user;

        # HACK: User needs to be in the editbugs and primary bug's group to allow
        # setting of dependencies.
        $new_user->{'groups'} = [ Bugzilla::Group->new({ name => 'editbugs' }),
                                    Bugzilla::Group->new({ name => 'infra' }),
                                    Bugzilla::Group->new({ name => 'infrasec' }) ];

        my $recipients = { changer => $new_user };
        $vars->{original_reporter} = $old_user;

        my $comment;
        $cgi->param('display_action', '');
        $template->process('bug/create/comment-employee-incident.txt.tmpl', $vars, \$comment)
            || ThrowTemplateError($template->error());

        $investigate_bug = Bugzilla::Bug->create({
            short_desc        => 'Investigate Lost Device',
            product           => 'mozilla.org',
            component         => 'Security Assurance: Incident',
            status_whiteboard => '[infrasec:incident]',
            bug_severity      => 'critical',
            cc                => [ 'jstevensen@mozilla.com' ],
            groups            => [ 'infrasec' ],
            comment           => $comment,
            op_sys            => 'All',
            rep_platform      => 'All',
            version           => 'other',
            dependson         => $bug->bug_id,
        });
        $bug->set_all({ blocked => { add => [ $investigate_bug->bug_id ] }});
        Bugzilla::BugMail::Send($investigate_bug->id, $recipients);

        Bugzilla->set_user($old_user);
        $vars->{original_reporter} = '';
        $comment = '';
        $cgi->param('display_action', 'ssh');
        $template->process('bug/create/comment-employee-incident.txt.tmpl', $vars, \$comment)
            || ThrowTemplateError($template->error());

        $ssh_key_bug = Bugzilla::Bug->create({
            short_desc        => 'Disable/Regenerate SSH Key',
            product           => $bug->product,
            component         => $bug->component,
            bug_severity      => 'critical',
            cc                => $bug->cc,
            groups            => [ map { $_->{name} } @{ $bug->groups } ],
            comment           => $comment,
            op_sys            => 'All',
            rep_platform      => 'All',
            version           => 'other',
            dependson         => $bug->bug_id,
        });
        $bug->set_all({ blocked => { add => [ $ssh_key_bug->bug_id ] }});
        Bugzilla::BugMail::Send($ssh_key_bug->id, $recipients);
    };
    my $error = $@;

    Bugzilla->set_user($old_user);
    Bugzilla->error_mode($error_mode_cache);

    if ($error || !$investigate_bug || !$ssh_key_bug) {
        warn "Failed to create additional employee-incident bug: $error" if $error;
        $vars->{'message'} = 'employee_incident_creation_failed';
    }
}

sub _post_gear_bug {
    my ($self, $args) = @_;
    my $vars = $args->{vars};
    my $bug = $vars->{bug};
    my $input = Bugzilla->input_params;

    my ($team, $code) = $input->{teamcode} =~ /^(.+?) \((\d+)\)$/;
    my @request = (
        "Date Required: $input->{date_required}",
        "$input->{firstname} $input->{lastname}",
        $input->{email},
        $input->{mozspace},
        $team,
        $code,
        $input->{purpose},
    );
    my @recipient = (
        "$input->{shiptofirstname} $input->{shiptolastname}",
        $input->{shiptoemail},
        $input->{shiptoaddress1},
        $input->{shiptoaddress2},
        $input->{shiptocity},
        $input->{shiptostate},
        $input->{shiptopostcode},
        $input->{shiptocountry},
        "Phone: $input->{shiptophone}",
        $input->{shiptoidrut},
    );

    # the csv has 14 item fields
    my @items = map { trim($_) } split(/\n/, $input->{items});
    my @csv;
    while (@items) {
        my @batch;
        if (scalar(@items) > 14) {
            @batch = splice(@items, 0, 14);
        }
        else {
            @batch = @items;
            push @batch, '' for scalar(@items)..13;
            @items = ();
        }
        push @csv, [ @request, @batch, @recipient ];
    }

    # csv quoting and concat
    foreach my $line (@csv) {
        foreach my $field (@$line) {
            if ($field =~ s/"/""/g || $field =~ /,/) {
                $field = qq#"$field"#;
            }
        }
        $line = join(',', @$line);
    }

    $self->_add_attachment($args, {
        data        => join("\n", @csv),
        description => "Items (CSV)",
        filename    => "gear_" . $bug->id . ".csv",
        mimetype    => "text/csv",
    });
    $bug->update($bug->creation_ts);
}

sub _post_mozpr_bug {
    my ($self, $args) = @_;
    my $vars = $args->{vars};
    my $bug = $vars->{bug};
    my $input = Bugzilla->input_params;

    if ($input->{proj_mat_file}) {
        $self->_add_attachment($args, {
            data        => $input->{proj_mat_file_attach},
            description => $input->{proj_mat_file_desc},
            filename    => scalar $input->{proj_mat_file_attach},
        });
    }
    if ($input->{pr_mat_file}) {
        $self->_add_attachment($args, {
            data        => $input->{pr_mat_file_attach},
            description => $input->{pr_mat_file_desc},
            filename    => scalar $input->{pr_mat_file_attach},
        });
    }
    $bug->update($bug->creation_ts);
}

sub _add_attachment {
    my ($self, $args, $attachment_args) = @_;

    my $bug = $args->{vars}->{bug};
    $attachment_args->{bug}         = $bug;
    $attachment_args->{creation_ts} = $bug->creation_ts;
    $attachment_args->{ispatch}     = 0 unless exists $attachment_args->{ispatch};
    $attachment_args->{isprivate}   = 0 unless exists $attachment_args->{isprivate};
    $attachment_args->{mimetype}    ||= $self->_detect_content_type($attachment_args->{data});

    # If the attachment cannot be successfully added to the bug,
    # we notify the user, but we don't interrupt the bug creation process.
    my $old_error_mode = Bugzilla->error_mode;
    Bugzilla->error_mode(ERROR_MODE_DIE);
    my $attachment;
    eval {
        $attachment = Bugzilla::Attachment->create($attachment_args);
    };
    warn "$@" if $@;
    Bugzilla->error_mode($old_error_mode);

    if ($attachment) {
        # Insert comment for attachment
        $bug->add_comment('', { isprivate  => 0,
                                type       => CMT_ATTACHMENT_CREATED,
                                extra_data => $attachment->id });
        delete $bug->{attachments};
    }
    else {
        $args->{vars}->{'message'} = 'attachment_creation_failed';
    }

    # Note: you must call $bug->update($bug->creation_ts) after adding all attachments
}

# bugzilla's content_type detection makes assumptions about form fields, which
# means we can't use it here.  this code is lifted from
# Bugzilla::Attachment::get_content_type and the TypeSniffer extension.
sub _detect_content_type {
    my ($self, $data) = @_;
    my $cgi = Bugzilla->cgi;

    # browser provided content-type
    my $content_type = $cgi->uploadInfo($data)->{'Content-Type'};
    $content_type = 'image/png' if $content_type eq 'image/x-png';

    if ($content_type eq 'application/octet-stream') {
        # detect from filename
        my $filename = scalar($data);
        if (my $from_filename = mimetype($filename)) {
            return $from_filename;
        }
    }

    return $content_type || 'application/octet-stream';
}

sub buglist_columns {
    my ($self, $args) = @_;
    my $columns = $args->{columns};
    $columns->{'cc_count'} = {
        name => '(SELECT COUNT(*) FROM cc WHERE cc.bug_id = bugs.bug_id)',
        title => 'CC Count',
    };
    $columns->{'dupe_count'} = {
        name => '(SELECT COUNT(*) FROM duplicates WHERE duplicates.dupe_of = bugs.bug_id)',
        title => 'Duplicate Count',
    };
}

sub enter_bug_start {
    my ($self, $args) = @_;
    # if configured with create_bug_formats, force users into a custom bug
    # format (can be overridden with a __standard__ format)
    my $cgi = Bugzilla->cgi;
    if ($cgi->param('format') && $cgi->param('format') eq '__standard__') {
        $cgi->delete('format');
    } elsif (my $format = forced_format($cgi->param('product'))) {
        $cgi->param('format', $format);
    }

    # If product eq 'mozilla.org' and format eq 'itrequest', then
    # switch to the new 'Infrastructure & Operations' product.
    if ($cgi->param('product') && $cgi->param('product') eq 'mozilla.org'
        && $cgi->param('format') && $cgi->param('format') eq 'itrequest')
    {
        $cgi->param('product', 'Infrastructure & Operations');
    }

    # map renamed groups
    $cgi->param('groups', _map_groups($cgi->param('groups')));
}

sub bug_before_create {
    my ($self, $args) = @_;
    my $params = $args->{params};
    if (exists $params->{groups}) {
        # map renamed groups
        $params->{groups} = [ _map_groups($params->{groups}) ];
    }
}

sub _map_groups {
    my (@groups) = @_;
    return unless @groups;
    @groups = @{ $groups[0] } if ref($groups[0]);
    return map {
        # map mozilla-corporation-confidential => mozilla-employee-confidential
        $_ eq 'mozilla-corporation-confidential'
        ? 'mozilla-employee-confidential'
        : $_
    } @groups;
}

sub forced_format {
    # note: this is also called from the guided bug entry extension
    my ($product) = @_;
    return undef unless defined $product;

    # always work on the correct product name
    $product = Bugzilla::Product->new({ name => $product, cache => 1 })
        unless blessed($product);
    return undef unless $product;

    # check for a forced-format entry
    my $forced = $create_bug_formats{$product->name}
        || return;

    # should this user be included?
    my $user = Bugzilla->user;
    my $include = ref($forced->{include}) ? $forced->{include} : [ $forced->{include} ];
    foreach my $inc (@$include) {
        return $forced->{format} if $user->in_group($inc);
    }

    return undef;
}

sub query_database {
    my ($vars) = @_;

    # validate group membership
    my $user = Bugzilla->user;
    $user->in_group('query_database')
        || ThrowUserError('auth_failure', { group  => 'query_database',
                                            action => 'access',
                                            object => 'query_database' });

    # read query
    my $input = Bugzilla->input_params;
    my $query = $input->{query};
    $vars->{query} = $query;

    if ($query) {
        trick_taint($query);
        $vars->{executed} = 1;

        # add limit if missing
        if ($query !~ /\sLIMIT\s+\d+\s*$/si) {
            $query .= ' LIMIT 1000';
            $vars->{query} = $query;
        }

        # log query
        _syslog(sprintf("[db_query] %s %s", $user->login, $query));

        # connect to database and execute
        # switching to the shadow db gives us a read-only connection
        my $dbh = Bugzilla->switch_to_shadow_db();
        my $sth;
        eval {
            $sth = $dbh->prepare($query);
            $sth->execute();
        };
        if ($@) {
            $vars->{sql_error} = $@;
            return;
        }

        # build result
        my $columns = $sth->{NAME};
        my $rows;
        while (my @row = $sth->fetchrow_array) {
            push @$rows, \@row;
        }

        # return results
        $vars->{columns} = $columns;
        $vars->{rows} = $rows;
    }
}

# you can always file bugs into a product's default security group, as well as
# into any of the groups in @always_fileable_groups
sub _group_always_settable {
    my ($self, $group) = @_;
    return
        $group->name eq $self->default_security_group
        || ((grep { $_ eq $group->name } @always_fileable_groups) ? 1 : 0);
}

sub _default_security_group {
    my ($self) = @_;
    return exists $product_sec_groups{$self->name}
        ? $product_sec_groups{$self->name}
        : $product_sec_groups{_default};
}

sub _default_security_group_obj {
    my ($self) = @_;
    return unless my $group_name = $self->default_security_group;
    return Bugzilla::Group->new({ name => $group_name, cache => 1 })
}

# called from the verify version, component, and group page.
# if we're making a group invalid, stuff the default group into the cgi param
# to make it checked by default.
sub _check_default_product_security_group {
    my ($self, $product, $invalid_groups, $optional_group_controls) = @_;
    return unless my $group = $product->default_security_group_obj;
    if (@$invalid_groups) {
        my $cgi = Bugzilla->cgi;
        my @groups = $cgi->param('groups');
        push @groups, $group->name unless grep { $_ eq $group->name } @groups;
        $cgi->param('groups', @groups);
    }
}

sub install_filesystem {
    my ($self, $args) = @_;
    my $files = $args->{files};
    my $extensions_dir = bz_locations()->{extensionsdir};
    $files->{"$extensions_dir/BMO/bin/migrate-github-pull-requests.pl"} = {
        perms => Bugzilla::Install::Filesystem::OWNER_EXECUTE
    };
}

# "deleted" comment tag

sub config_modify_panels {
    my ($self, $args) = @_;
    push @{ $args->{panels}->{groupsecurity}->{params} }, {
        name    => 'delete_comments_group',
        type    => 's',
        choices => \&Bugzilla::Config::GroupSecurity::_get_all_group_names,
        default => 'admin',
        checker => \&check_group
    };
}

sub comment_after_add_tag {
    my ($self, $args) = @_;
    my $tag = $args->{tag};
    return unless lc($tag) eq 'deleted';

    my $group_name = Bugzilla->params->{delete_comments_group};
    if (!$group_name || !Bugzilla->user->in_group($group_name)) {
        ThrowUserError('auth_failure', { group  => $group_name,
                                         action => 'delete',
                                         object => 'comments' });
    }
}

sub comment_after_remove_tag {
    my ($self, $args) = @_;
    my $tag = $args->{tag};
    return unless lc($tag) eq 'deleted';

    my $group_name = Bugzilla->params->{delete_comments_group};
    if (!$group_name || !Bugzilla->user->in_group($group_name)) {
        ThrowUserError('auth_failure', { group  => $group_name,
                                         action => 'delete',
                                         object => 'comments' });
    }
}

BEGIN {
    *Bugzilla::Comment::has_tag = \&_comment_has_tag;
}

sub _comment_has_tag {
    my ($self, $test_tag) = @_;
    $test_tag = lc($test_tag);
    foreach my $tag (@{ $self->tags }) {
        return 1 if lc($tag) eq $test_tag;
    }
    return 0;
}

sub bug_comments {
    my ($self, $args) = @_;
    my $can_delete = Bugzilla->user->in_group(Bugzilla->params->{delete_comments_group});
    my $comments = $args->{comments};
    my @deleted = grep { $_->has_tag('deleted') } @$comments;
    while (my $comment = pop @deleted) {
        for (my $i = scalar(@$comments) - 1; $i >= 0; $i--) {
            if ($comment == $comments->[$i]) {
                if ($can_delete) {
                    # don't remove comment from users who can "delete" them
                    # just collapse it instead
                    $comment->{collapsed} = 1;
                }
                else {
                    # otherwise, remove it from the array
                    splice(@$comments, $i, 1);
                }
                last;
            }
        }
    }
}

__PACKAGE__->NAME;