mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/SpamBlacklist
synced 2024-11-24 15:13:44 +00:00
126 lines
3.4 KiB
PHP
126 lines
3.4 KiB
PHP
<?php
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/**
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* An aggressive spam cleanup script.
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* Searches the database for matching pages, and reverts them to the last non-spammed revision.
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* If all revisions contain spam, deletes the page
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*/
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require_once( '../../maintenance/commandLine.inc' );
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require_once( 'SpamBlacklist_body.php' );
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/**
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* Find the latest revision of the article that does not contain spam and revert to it
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*/
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function cleanupArticle( Revision $rev, $regexes, $match ) {
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$title = $rev->getTitle();
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$revId = $rev->getId();
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while ( $rev ) {
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$matches = false;
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foreach ( $regexes as $regex ) {
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$matches = $matches || preg_match( $regex, $rev->getText() );
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}
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if ( !$matches ) {
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// Didn't find any spam
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break;
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}
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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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$dbw = wfGetDB( DB_MASTER );
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$dbw->begin();
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if ( !$rev ) {
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// Didn't find a non-spammy revision, delete the page
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/*
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print "All revisions are spam, deleting...\n";
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$article = new Article( $title );
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$article->doDeleteArticle( "All revisions matched the spam blacklist" );
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*/
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// Too scary, blank instead
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print "All revisions are spam, blanking...\n";
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$text = '';
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$comment = "All revisions matched the spam blacklist ($match), blanking";
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} else {
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// Revert to this revision
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$text = $rev->getText();
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$comment = "Cleaning up links to $match";
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}
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$wikiPage = new WikiPage( $title );
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$wikiPage->doEdit( $text, $comment );
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$dbw->commit();
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}
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//------------------------------------------------------------------------------
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$username = 'Spam cleanup script';
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$wgUser = User::newFromName( $username );
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if ( $wgUser->idForName() == 0 ) {
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// Create the user
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$status = $wgUser->addToDatabase();
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if ( $status === null || $status->isOK() ) {
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$dbw = wfGetDB( DB_MASTER );
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$dbw->update( 'user', array( 'user_password' => 'nologin' ),
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array( 'user_name' => $username ), $username );
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}
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}
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if ( isset( $options['n'] ) ) {
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$dryRun = true;
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} else {
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$dryRun = false;
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}
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$sb = new SpamBlacklist( $wgSpamBlacklistSettings );
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if ( $wgSpamBlacklistFiles ) {
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$sb->files = $wgSpamBlacklistFiles;
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}
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$regexes = $sb->getBlacklists();
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if ( !$regexes ) {
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print "Invalid regex, can't clean up spam\n";
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exit( 1 );
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}
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$dbr = wfGetDB( DB_SLAVE );
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$maxID = $dbr->selectField( 'page', 'MAX(page_id)' );
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$reportingInterval = 100;
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print "Regexes are " . implode( ', ', array_map( 'count', $regexes ) ) . " bytes\n";
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print "Searching for spam in $maxID pages...\n";
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if ( $dryRun ) {
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print "Dry run only\n";
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}
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for ( $id = 1; $id <= $maxID; $id++ ) {
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if ( $id % $reportingInterval == 0 ) {
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printf( "%-8d %-5.2f%%\r", $id, $id / $maxID * 100 );
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}
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$revision = Revision::loadFromPageId( $dbr, $id );
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if ( $revision ) {
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$text = $revision->getText();
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if ( $text ) {
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foreach ( $regexes as $regex ) {
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if ( preg_match( $regex, $text, $matches ) ) {
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$title = $revision->getTitle();
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$titleText = $title->getPrefixedText();
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if ( $dryRun ) {
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print "\nFound spam in [[$titleText]]\n";
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} else {
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print "\nCleaning up links to {$matches[0]} in [[$titleText]]\n";
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$match = str_replace( 'http://', '', $matches[0] );
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cleanupArticle( $revision, $regexes, $match );
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}
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}
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}
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}
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}
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}
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// Just for satisfaction
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printf( "%-8d %-5.2f%%\n", $id - 1, ( $id - 1 ) / $maxID * 100 );
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