Current File : //proc/985914/root/www/varak.net/wiki.varak.net/maintenance/cleanupSpam.php
<?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
*/
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, $wgUser;
$username = wfMessage( 'spambot_username' )->text();
$wgUser = User::newSystemUser( $username );
if ( !$wgUser ) {
$this->fatalError( "Invalid username specified in 'spambot_username' message: $username" );
}
// Hack: Grant bot rights so we don't flood RecentChanges
$wgUser->addGroup( 'bot' );
$spec = $this->getArg();
$likes = [];
foreach ( [ 'http://', 'https://' ] as $prot ) {
$like = LinkFilter::makeLikeArray( $spec, $prot );
if ( !$like ) {
$this->fatalError( "Not a valid hostname specification: $spec" );
}
$likes[$prot] = $like;
}
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 $dbr Database */
$dbr = $this->getDB( DB_REPLICA, [], $wikiID );
foreach ( $likes as $like ) {
$count = $dbr->selectField(
'externallinks',
'COUNT(*)',
[ 'el_index' . $dbr->buildLike( $like ) ],
__METHOD__
);
if ( $count ) {
$found = true;
$cmd = wfShellWikiCmd(
"$IP/maintenance/cleanupSpam.php",
[ '--wiki', $wikiID, $spec ]
);
passthru( "$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 $dbr Database */
$dbr = $this->getDB( DB_REPLICA );
foreach ( $likes as $prot => $like ) {
$res = $dbr->select(
'externallinks',
[ 'DISTINCT el_from' ],
[ 'el_index' . $dbr->buildLike( $like ) ],
__METHOD__
);
$count = $dbr->numRows( $res );
$this->output( "Found $count articles containing $spec\n" );
foreach ( $res as $row ) {
$this->cleanupArticle( $row->el_from, $spec, $prot );
}
}
if ( $count ) {
$this->output( "Done\n" );
}
}
}
/**
* @param int $id
* @param string $domain
* @param string $protocol
* @throws MWException
*/
private function cleanupArticle( $id, $domain, $protocol ) {
$title = Title::newFromID( $id );
if ( !$title ) {
$this->error( "Internal error: no page for ID $id" );
return;
}
$this->output( $title->getPrefixedDBkey() . " ..." );
$rev = Revision::newFromTitle( $title );
$currentRevId = $rev->getId();
while ( $rev && ( $rev->isDeleted( Revision::DELETED_TEXT )
|| LinkFilter::matchEntry( $rev->getContent( Revision::RAW ), $domain, $protocol ) )
) {
$rev = $rev->getPrevious();
}
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_MASTER );
$this->beginTransaction( $dbw, __METHOD__ );
$page = WikiPage::factory( $title );
if ( $rev ) {
// Revert to this revision
$content = $rev->getContent( Revision::RAW );
$this->output( "reverting\n" );
$page->doEditContent(
$content,
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" );
$page->doDeleteArticle(
wfMessage( 'spam_deleting', $domain )->inContentLanguage()->text()
);
} else {
// Didn't find a non-spammy revision, blank the page
$handler = ContentHandler::getForTitle( $title );
$content = $handler->makeEmptyContent();
$this->output( "blanking\n" );
$page->doEditContent(
$content,
wfMessage( 'spam_blanking', $domain )->inContentLanguage()->text(),
EDIT_UPDATE | EDIT_FORCE_BOT
);
}
$this->commitTransaction( $dbw, __METHOD__ );
}
}
}
$maintClass = CleanupSpam::class;
require_once RUN_MAINTENANCE_IF_MAIN;
Mini Shell