133 lines
4.1 KiB
PHP
133 lines
4.1 KiB
PHP
<?php
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/**
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* Cleanup all spam from a given hostname
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @ingroup Maintenance
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*/
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require_once( dirname(__FILE__) . '/Maintenance.php' );
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class CleanupSpam extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Cleanup all spam from a given hostname";
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$this->addOption( 'all', 'Check all wikis in $wgLocalDatabases' );
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$this->addArg( 'hostname', 'Hostname that was spamming' );
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}
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public function execute() {
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global $wgLocalDatabases;
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$username = wfMsg( 'spambot_username' );
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$wgUser = User::newFromName( $username );
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// Create the user if necessary
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if ( !$wgUser->getId() ) {
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$wgUser->addToDatabase();
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}
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$spec = $this->getArg();
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$like = LinkFilter::makeLikeArray( $spec );
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if ( !$like ) {
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$this->error( "Not a valid hostname specification: $spec", true );
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}
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if ( $this->hasOption('all') ) {
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// Clean up spam on all wikis
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$this->output( "Finding spam on " . count( $wgLocalDatabases ) . " wikis\n" );
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$found = false;
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foreach ( $wgLocalDatabases as $wikiID ) {
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$dbr = wfGetDB( DB_SLAVE, array(), $wikiID );
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$count = $dbr->selectField( 'externallinks', 'COUNT(*)',
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array( 'el_index' . $dbr->buildLike( $like ) ), __METHOD__ );
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if ( $count ) {
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$found = true;
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passthru( "php cleanupSpam.php --wiki='$wikiID' $spec | sed 's/^/$wikiID: /'" );
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}
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}
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if ( $found ) {
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$this->output( "All done\n" );
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} else {
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$this->output( "None found\n" );
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}
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} else {
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// Clean up spam on this wiki
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'externallinks', array( 'DISTINCT el_from' ),
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array( 'el_index' . $dbr->buildLike( $like ) ), __METHOD__ );
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$count = $dbr->numRows( $res );
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$this->output( "Found $count articles containing $spec\n" );
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foreach ( $res as $row ) {
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$this->cleanupArticle( $row->el_from, $spec );
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}
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if ( $count ) {
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$this->output( "Done\n" );
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}
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}
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}
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private function cleanupArticle( $id, $domain ) {
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$title = Title::newFromID( $id );
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if ( !$title ) {
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$this->error( "Internal error: no page for ID $id" );
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return;
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}
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$this->output( $title->getPrefixedDBkey() . " ..." );
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$rev = Revision::newFromTitle( $title );
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$revId = $rev->getId();
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$currentRevId = $revId;
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while ( $rev && LinkFilter::matchEntry( $rev->getText() , $domain ) ) {
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# Revision::getPrevious can't be used in this way before MW 1.6 (Revision.php 1.26)
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#$rev = $rev->getPrevious();
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$revId = $title->getPreviousRevisionID( $revId );
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if ( $revId ) {
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$rev = Revision::newFromTitle( $title, $revId );
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} else {
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$rev = false;
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}
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}
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if ( $revId == $currentRevId ) {
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// The regex didn't match the current article text
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// This happens e.g. when a link comes from a template rather than the page itself
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$this->output( "False match\n" );
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} else {
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$dbw = wfGetDB( DB_MASTER );
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$dbw->begin();
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if ( !$rev ) {
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// Didn't find a non-spammy revision, blank the page
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$this->output( "blanking\n" );
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$article = new Article( $title );
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$article->updateArticle( '', wfMsg( 'spam_blanking', $domain ),
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false, false );
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} else {
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// Revert to this revision
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$this->output( "reverting\n" );
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$article = new Article( $title );
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$article->updateArticle( $rev->getText(), wfMsg( 'spam_reverting', $domain ), false, false );
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}
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$dbw->commit();
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wfDoUpdates();
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}
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}
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}
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$maintClass = "CleanupSpam";
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require_once( DO_MAINTENANCE );
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