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
|
<?php
/**
* Cleanup all spam from a given hostname.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
*/
use MediaWiki\ExternalLinks\LinkFilter;
use MediaWiki\Permissions\Authority;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\SlotRecord;
use MediaWiki\StubObject\StubGlobalUser;
use MediaWiki\Title\Title;
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script to cleanup all spam from a given hostname.
*
* @ingroup Maintenance
*/
class CleanupSpam extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Cleanup all spam from a given hostname' );
$this->addOption( 'all', 'Check all wikis in $wgLocalDatabases' );
$this->addOption( 'delete', 'Delete pages containing only spam instead of blanking them' );
$this->addArg(
'hostname',
'Hostname that was spamming, single * wildcard in the beginning allowed'
);
}
public function execute() {
global $IP, $wgLocalDatabases;
$username = wfMessage( 'spambot_username' )->text();
$user = User::newSystemUser( $username );
if ( !$user ) {
$this->fatalError( "Invalid username specified in 'spambot_username' message: $username" );
}
// Hack: Grant bot rights so we don't flood RecentChanges
$this->getServiceContainer()->getUserGroupManager()->addUserToGroup( $user, 'bot' );
StubGlobalUser::setUser( $user );
$spec = $this->getArg( 0 );
$protConds = [];
foreach ( [ 'http://', 'https://' ] as $prot ) {
$conds = LinkFilter::getQueryConditions( $spec, [ 'protocol' => $prot ] );
if ( !$conds ) {
$this->fatalError( "Not a valid hostname specification: $spec" );
}
$protConds[$prot] = $conds;
}
if ( $this->hasOption( 'all' ) ) {
// Clean up spam on all wikis
$this->output( "Finding spam on " . count( $wgLocalDatabases ) . " wikis\n" );
$found = false;
foreach ( $wgLocalDatabases as $wikiId ) {
/** @var Database $dbr */
$dbr = $this->getDB( DB_REPLICA, [], $wikiId );
foreach ( $protConds as $conds ) {
$count = $dbr->newSelectQueryBuilder()
->select( 'COUNT(*)' )
->from( 'externallinks' )
->where( $conds )
->caller( __METHOD__ )
->fetchField();
if ( $count ) {
$found = true;
$cmd = wfShellWikiCmd(
"$IP/maintenance/cleanupSpam.php",
[ '--wiki', $wikiId, $spec ]
);
// phpcs:ignore MediaWiki.Usage.ForbiddenFunctions.passthru
passthru( "$cmd | sed 's/^/$wikiId: /'" );
}
}
}
if ( $found ) {
$this->output( "All done\n" );
} else {
$this->output( "None found\n" );
}
} else {
// Clean up spam on this wiki
$count = 0;
/** @var Database $dbr */
$dbr = $this->getDB( DB_REPLICA );
foreach ( $protConds as $prot => $conds ) {
$res = $dbr->newSelectQueryBuilder()
->select( 'el_from' )
->distinct()
->from( 'externallinks' )
->where( $conds )
->caller( __METHOD__ )
->fetchResultSet();
$count += $res->numRows();
$this->output( "Found $count articles containing $spec so far...\n" );
foreach ( $res as $row ) {
$this->cleanupArticle(
$row->el_from,
$spec,
$prot,
$user
);
}
}
if ( $count ) {
$this->output( "Done\n" );
}
}
}
/**
* @param int $id
* @param string $domain
* @param string $protocol
* @param Authority $performer
*/
private function cleanupArticle( $id, $domain, $protocol, Authority $performer ) {
$title = Title::newFromID( $id );
if ( !$title ) {
$this->error( "Internal error: no page for ID $id" );
return;
}
$this->output( $title->getPrefixedDBkey() . " ..." );
$services = $this->getServiceContainer();
$revLookup = $services->getRevisionLookup();
$rev = $revLookup->getRevisionByTitle( $title );
$currentRevId = $rev->getId();
while ( $rev && ( $rev->isDeleted( RevisionRecord::DELETED_TEXT ) ||
LinkFilter::matchEntry(
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable RAW never returns null
$rev->getContent( SlotRecord::MAIN, RevisionRecord::RAW ),
$domain,
$protocol
) )
) {
$rev = $revLookup->getPreviousRevision( $rev );
}
if ( $rev && $rev->getId() == $currentRevId ) {
// The regex didn't match the current article text
// This happens e.g. when a link comes from a template rather than the page itself
$this->output( "False match\n" );
} else {
$dbw = $this->getDB( DB_PRIMARY );
$this->beginTransaction( $dbw, __METHOD__ );
$page = $services->getWikiPageFactory()->newFromTitle( $title );
if ( $rev ) {
// Revert to this revision
$content = $rev->getContent( SlotRecord::MAIN, RevisionRecord::RAW );
$this->output( "reverting\n" );
$page->doUserEditContent(
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable RAW never returns null
$content,
$performer,
wfMessage( 'spam_reverting', $domain )->inContentLanguage()->text(),
EDIT_UPDATE | EDIT_FORCE_BOT,
$rev->getId()
);
} elseif ( $this->hasOption( 'delete' ) ) {
// Didn't find a non-spammy revision, blank the page
$this->output( "deleting\n" );
$deletePage = $services->getDeletePageFactory()->newDeletePage( $page, $performer );
$deletePage->deleteUnsafe( wfMessage( 'spam_deleting', $domain )->inContentLanguage()->text() );
} else {
// Didn't find a non-spammy revision, blank the page
$handler = $services->getContentHandlerFactory()
->getContentHandler( $title->getContentModel() );
$content = $handler->makeEmptyContent();
$this->output( "blanking\n" );
$page->doUserEditContent(
$content,
$performer,
wfMessage( 'spam_blanking', $domain )->inContentLanguage()->text(),
EDIT_UPDATE | EDIT_FORCE_BOT
);
}
$this->commitTransaction( $dbw, __METHOD__ );
}
}
}
$maintClass = CleanupSpam::class;
require_once RUN_MAINTENANCE_IF_MAIN;
|
