mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AbuseFilter.git
synced 2024-11-14 17:55:00 +00:00
1125 lines
36 KiB
PHP
1125 lines
36 KiB
PHP
<?php
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use MediaWiki\Linker\LinkRenderer;
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use MediaWiki\Logger\LoggerFactory;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Revision\MutableRevisionRecord;
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use MediaWiki\Revision\SlotRecord;
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use Wikimedia\Rdbms\Database;
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use Wikimedia\Rdbms\IMaintainableDatabase;
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class AbuseFilterHooks {
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const FETCH_ALL_TAGS_KEY = 'abusefilter-fetch-all-tags';
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/** @var WikiPage|null Make sure edit filter & edit save hooks match */
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private static $lastEditPage = null;
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/**
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* Called right after configuration has been loaded.
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*/
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public static function onRegistration() {
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global $wgAuthManagerAutoConfig, $wgActionFilteredLogs, $wgAbuseFilterProfile,
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$wgAbuseFilterProfiling, $wgAbuseFilterPrivateLog, $wgAbuseFilterForceSummary,
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$wgGroupPermissions;
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// @todo Remove this in a future release (added in 1.33)
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if ( isset( $wgAbuseFilterProfile ) || isset( $wgAbuseFilterProfiling ) ) {
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wfWarn( '$wgAbuseFilterProfile and $wgAbuseFilterProfiling have been removed and ' .
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'profiling is now enabled by default.' );
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}
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if ( isset( $wgAbuseFilterPrivateLog ) ) {
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global $wgAbuseFilterLogPrivateDetailsAccess;
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$wgAbuseFilterLogPrivateDetailsAccess = $wgAbuseFilterPrivateLog;
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wfWarn( '$wgAbuseFilterPrivateLog has been renamed to $wgAbuseFilterLogPrivateDetailsAccess. ' .
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'Please make the change in your settings; the format is identical.'
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);
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}
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if ( isset( $wgAbuseFilterForceSummary ) ) {
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global $wgAbuseFilterPrivateDetailsForceReason;
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$wgAbuseFilterPrivateDetailsForceReason = $wgAbuseFilterForceSummary;
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wfWarn( '$wgAbuseFilterForceSummary has been renamed to ' .
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'$wgAbuseFilterPrivateDetailsForceReason. Please make the change in your settings; ' .
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'the format is identical.'
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);
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}
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$found = false;
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foreach ( $wgGroupPermissions as &$perms ) {
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if ( array_key_exists( 'abusefilter-private', $perms ) ) {
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$perms['abusefilter-privatedetails'] = $perms[ 'abusefilter-private' ];
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unset( $perms[ 'abusefilter-private' ] );
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$found = true;
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}
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if ( array_key_exists( 'abusefilter-private-log', $perms ) ) {
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$perms['abusefilter-privatedetails-log'] = $perms[ 'abusefilter-private-log' ];
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unset( $perms[ 'abusefilter-private-log' ] );
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$found = true;
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}
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}
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unset( $perms );
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if ( $found ) {
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wfWarn( 'The group permissions "abusefilter-private-log" and "abusefilter-private" have ' .
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'been renamed, respectively, to "abusefilter-privatedetails-log" and ' .
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'"abusefilter-privatedetails". Please update the names in your settings.'
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);
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}
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$wgAuthManagerAutoConfig['preauth'][AbuseFilterPreAuthenticationProvider::class] = [
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'class' => AbuseFilterPreAuthenticationProvider::class,
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// Run after normal preauth providers to keep the log cleaner
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'sort' => 5,
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];
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$wgActionFilteredLogs['suppress'] = array_merge(
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$wgActionFilteredLogs['suppress'],
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// Message: log-action-filter-suppress-abuselog
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[ 'abuselog' => [ 'hide-afl', 'unhide-afl' ] ]
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);
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$wgActionFilteredLogs['rights'] = array_merge(
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$wgActionFilteredLogs['rights'],
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// Messages: log-action-filter-rights-blockautopromote,
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// log-action-filter-rights-restoreautopromote
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[
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'blockautopromote' => [ 'blockautopromote' ],
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'restoreautopromote' => [ 'restoreautopromote' ]
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]
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);
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}
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/**
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* Entry point for the EditFilterMergedContent hook.
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*
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* @param IContextSource $context the context of the edit
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* @param Content $content the new Content generated by the edit
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* @param Status $status Error message to return
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* @param string $summary Edit summary for page
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* @param User $user the user performing the edit
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* @param bool $minoredit whether this is a minor edit according to the user.
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* @param string $slot slot role for the content
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*/
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public static function onEditFilterMergedContent( IContextSource $context, Content $content,
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Status $status, $summary, User $user, $minoredit, $slot = SlotRecord::MAIN
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) {
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$startTime = microtime( true );
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// @todo is there any real point in passing this in?
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$text = AbuseFilter::contentToString( $content );
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$filterResult = self::filterEdit( $context, $content, $text, $summary, $slot );
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if ( !$filterResult->isOK() ) {
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// Produce a useful error message for API edits
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$filterResultApi = self::getApiStatus( $filterResult );
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$status->merge( $filterResultApi );
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}
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MediaWikiServices::getInstance()->getStatsdDataFactory()
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->timing( 'timing.editAbuseFilter', microtime( true ) - $startTime );
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}
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/**
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* Get variables for filtering an edit.
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* @todo Consider splitting into a separate class
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* @see self::filterEdit for more parameter docs
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* @internal Until we'll find the right place for it
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*
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* @param Title $title
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* @param User $user
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* @param Content $content
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* @param string $text
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* @param string $summary
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* @param string $slot
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* @param WikiPage|null $page
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* @return AbuseFilterVariableHolder|null
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*/
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public static function getEditVars(
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Title $title,
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User $user,
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Content $content,
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$text,
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$summary,
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$slot,
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WikiPage $page = null
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) {
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$oldContent = null;
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if ( $page !== null ) {
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$oldRevision = $page->getRevision();
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if ( !$oldRevision ) {
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return null;
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}
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$oldContent = $oldRevision->getContent( Revision::RAW );
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$oldAfText = AbuseFilter::revisionToString( $oldRevision, $user );
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// XXX: Recreate what the new revision will probably be so we can get the full AF
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// text for all slots
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$oldRevRecord = $oldRevision->getRevisionRecord();
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$newRevision = MutableRevisionRecord::newFromParentRevision( $oldRevRecord );
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$newRevision->setContent( $slot, $content );
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$text = AbuseFilter::revisionToString( $newRevision, $user );
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// Cache article object so we can share a parse operation
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$articleCacheKey = $title->getNamespace() . ':' . $title->getText();
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AFComputedVariable::$articleCache[$articleCacheKey] = $page;
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// Don't trigger for null edits.
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if ( $oldContent ) {
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// Compare Content objects if available
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if ( $content->equals( $oldContent ) ) {
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return null;
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}
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} elseif ( strcmp( $oldAfText, $text ) === 0 ) {
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// Otherwise, compare strings
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return null;
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}
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} else {
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$oldAfText = '';
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}
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return self::newVariableHolderForEdit(
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$user, $title, $page, $summary, $content, $text, $oldAfText, $oldContent
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);
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}
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/**
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* Implementation for EditFilterMergedContent hook.
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*
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* @param IContextSource $context the context of the edit
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* @param Content $content the new Content generated by the edit
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* @param string $text new page content (subject of filtering)
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* @param string $summary Edit summary for page
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* @param string $slot slot role for the content
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* @return Status
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*/
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public static function filterEdit( IContextSource $context, Content $content, $text,
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$summary, $slot = SlotRecord::MAIN
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) {
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self::$lastEditPage = null;
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$title = $context->getTitle();
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if ( $title === null ) {
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// T144265: This *should* never happen.
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$logger = LoggerFactory::getInstance( 'AbuseFilter' );
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$logger->warning( __METHOD__ . ' received a null title.' );
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return Status::newGood();
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}
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$user = $context->getUser();
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if ( $title->canExist() && $title->exists() ) {
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// Make sure we load the latest text saved in database (bug 31656)
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$page = $context->getWikiPage();
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} else {
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$page = null;
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}
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$vars = self::getEditVars( $title, $user, $content, $text, $summary, $slot, $page );
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if ( $vars === null ) {
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// We don't have to filter the edit
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return Status::newGood();
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}
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$runner = new AbuseFilterRunner( $user, $title, $vars, 'default' );
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$filterResult = $runner->run();
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if ( !$filterResult->isOK() ) {
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return $filterResult;
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}
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self::$lastEditPage = $page;
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return Status::newGood();
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}
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/**
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* @param User $user
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* @param Title $title
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* @param WikiPage|null $page
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* @param string $summary
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* @param Content $newcontent
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* @param string $text
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* @param string $oldtext
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* @param Content|null $oldcontent
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* @return AbuseFilterVariableHolder
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* @throws MWException
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*/
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private static function newVariableHolderForEdit(
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User $user, Title $title, $page, $summary, Content $newcontent,
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$text, $oldtext, Content $oldcontent = null
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) {
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$vars = new AbuseFilterVariableHolder();
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$vars->addHolders(
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AbuseFilter::generateUserVars( $user ),
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AbuseFilter::generateTitleVars( $title, 'page' )
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);
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$vars->setVar( 'action', 'edit' );
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$vars->setVar( 'summary', $summary );
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if ( $oldcontent instanceof Content ) {
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$oldmodel = $oldcontent->getModel();
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} else {
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$oldmodel = '';
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$oldtext = '';
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}
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$vars->setVar( 'old_content_model', $oldmodel );
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$vars->setVar( 'new_content_model', $newcontent->getModel() );
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$vars->setVar( 'old_wikitext', $oldtext );
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$vars->setVar( 'new_wikitext', $text );
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$vars->addHolders( AbuseFilter::getEditVars( $title, $page ) );
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return $vars;
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}
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/**
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* @param Status $status Error message details
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* @return Status Status containing the same error messages with extra data for the API
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*/
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private static function getApiStatus( Status $status ) {
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$allActionsTaken = $status->getValue();
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$statusForApi = Status::newGood();
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foreach ( $status->getErrors() as $error ) {
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list( $filterDescription, $filter ) = $error['params'];
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$actionsTaken = $allActionsTaken[ $filter ];
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$code = ( $actionsTaken === [ 'warn' ] ) ? 'abusefilter-warning' : 'abusefilter-disallowed';
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$data = [
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'abusefilter' => [
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'id' => $filter,
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'description' => $filterDescription,
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'actions' => $actionsTaken,
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],
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];
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$message = ApiMessage::create( $error, $code, $data );
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$statusForApi->fatal( $message );
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}
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return $statusForApi;
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}
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/**
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* @param WikiPage $wikiPage
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* @param User $user
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* @param string $content Content
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* @param string $summary
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* @param bool $minoredit
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* @param bool $watchthis
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* @param string $sectionanchor
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* @param int $flags
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* @param Revision $revision
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* @param Status $status
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* @param int $baseRevId
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*/
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public static function onPageContentSaveComplete(
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WikiPage $wikiPage, User $user, $content, $summary, $minoredit, $watchthis, $sectionanchor,
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$flags, Revision $revision, Status $status, $baseRevId
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) {
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$curTitle = $wikiPage->getTitle()->getPrefixedText();
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if ( !isset( AbuseFilter::$logIds[ $curTitle ] ) ||
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$wikiPage !== self::$lastEditPage
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) {
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// This isn't the edit AbuseFilter::$logIds was set for
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AbuseFilter::$logIds = [];
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return;
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}
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self::$lastEditPage = null;
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$logs = AbuseFilter::$logIds[ $curTitle ];
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if ( $logs[ 'local' ] ) {
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// Now actually do our storage
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$dbw = wfGetDB( DB_MASTER );
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$dbw->update( 'abuse_filter_log',
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[ 'afl_rev_id' => $revision->getId() ],
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[ 'afl_id' => $logs['local'] ],
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__METHOD__
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);
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}
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if ( $logs[ 'global' ] ) {
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$fdb = AbuseFilter::getCentralDB( DB_MASTER );
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$fdb->update( 'abuse_filter_log',
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[ 'afl_rev_id' => $revision->getId() ],
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[ 'afl_id' => $logs['global'], 'afl_wiki' => wfWikiID() ],
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__METHOD__
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);
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}
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}
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/**
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* @param User $user
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* @param array &$promote
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*/
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public static function onGetAutoPromoteGroups( User $user, &$promote ) {
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if ( $promote ) {
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$cache = ObjectCache::getInstance( 'hash' );
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$key = AbuseFilter::autoPromoteBlockKey( $cache, $user );
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$blocked = (bool)$cache->getWithSetCallback(
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$key,
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$cache::TTL_PROC_LONG,
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function () use ( $user ) {
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return AbuseFilter::getAutoPromoteBlockStatus( $user );
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}
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);
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if ( $blocked ) {
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$promote = [];
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}
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}
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}
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/**
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* Get variables used to filter a move.
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* @todo Consider splitting into a separate class
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* @internal Until we'll find the right place for it
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*
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* @param User $user
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* @param Title $oldTitle
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* @param Title $newTitle
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* @param string $reason
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* @return AbuseFilterVariableHolder
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*/
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public static function getMoveVars(
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User $user,
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Title $oldTitle,
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Title $newTitle,
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$reason
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) : AbuseFilterVariableHolder {
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$vars = new AbuseFilterVariableHolder;
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$vars->addHolders(
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AbuseFilter::generateUserVars( $user ),
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AbuseFilter::generateTitleVars( $oldTitle, 'MOVED_FROM' ),
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AbuseFilter::generateTitleVars( $newTitle, 'MOVED_TO' )
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);
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$vars->setVar( 'summary', $reason );
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$vars->setVar( 'action', 'move' );
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return $vars;
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}
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/**
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* @param Title $oldTitle
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* @param Title $newTitle
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* @param User $user
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* @param string $reason
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* @param Status &$status
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*/
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public static function onTitleMove(
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Title $oldTitle,
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Title $newTitle,
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User $user,
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$reason,
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Status &$status
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) {
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$vars = self::getMoveVars( $user, $oldTitle, $newTitle, $reason );
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$runner = new AbuseFilterRunner( $user, $oldTitle, $vars, 'default' );
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$result = $runner->run();
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$status->merge( $result );
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}
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/**
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* Get variables for filtering a deletion.
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* @todo Consider splitting into a separate class
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* @internal Until we'll find the right place for it
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*
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* @param User $user
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* @param WikiPage $article
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* @param string $reason
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* @return AbuseFilterVariableHolder
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*/
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public static function getDeleteVars(
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User $user,
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WikiPage $article,
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$reason
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) : AbuseFilterVariableHolder {
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$vars = new AbuseFilterVariableHolder;
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$vars->addHolders(
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AbuseFilter::generateUserVars( $user ),
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AbuseFilter::generateTitleVars( $article->getTitle(), 'page' )
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);
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$vars->setVar( 'summary', $reason );
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$vars->setVar( 'action', 'delete' );
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return $vars;
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}
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/**
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* @param WikiPage $article
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* @param User $user
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* @param string $reason
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* @param string &$error
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* @param Status $status
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* @return bool
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*/
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public static function onArticleDelete( WikiPage $article, User $user, $reason, &$error,
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Status $status ) {
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$vars = self::getDeleteVars( $user, $article, $reason );
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$runner = new AbuseFilterRunner( $user, $article->getTitle(), $vars, 'default' );
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$filterResult = $runner->run();
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$status->merge( $filterResult );
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$error = $filterResult->isOK() ? '' : $filterResult->getHTML();
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return $filterResult->isOK();
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}
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/**
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* @param RecentChange $recentChange
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*/
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public static function onRecentChangeSave( RecentChange $recentChange ) {
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$title = Title::makeTitle(
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$recentChange->getAttribute( 'rc_namespace' ),
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$recentChange->getAttribute( 'rc_title' )
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);
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$logType = $recentChange->getAttribute( 'rc_log_type' ) ?: 'edit';
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if ( $logType === 'newusers' ) {
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$action = $recentChange->getAttribute( 'rc_log_action' ) === 'autocreate' ?
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'autocreateaccount' :
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'createaccount';
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} else {
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$action = $logType;
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}
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$actionID = AbuseFilter::getTaggingActionId(
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$action,
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$title,
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$recentChange->getAttribute( 'rc_user_text' )
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);
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if ( isset( AbuseFilter::$tagsToSet[$actionID] ) ) {
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$recentChange->addTags( AbuseFilter::$tagsToSet[$actionID] );
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unset( AbuseFilter::$tagsToSet[$actionID] );
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}
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}
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/**
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* Purge all cache related to tags, both within AbuseFilter and in core
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*/
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public static function purgeTagCache() {
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ChangeTags::purgeTagCacheAll();
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$services = MediaWikiServices::getInstance();
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$cache = $services->getMainWANObjectCache();
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$cache->delete(
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$cache->makeKey( self::FETCH_ALL_TAGS_KEY, 0 )
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);
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$cache->delete(
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$cache->makeKey( self::FETCH_ALL_TAGS_KEY, 1 )
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);
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}
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/**
|
|
* @param array $tags
|
|
* @param bool $enabled
|
|
*/
|
|
private static function fetchAllTags( array &$tags, $enabled ) {
|
|
$services = MediaWikiServices::getInstance();
|
|
$cache = $services->getMainWANObjectCache();
|
|
$fname = __METHOD__;
|
|
|
|
$tags = $cache->getWithSetCallback(
|
|
// Key to store the cached value under
|
|
$cache->makeKey( self::FETCH_ALL_TAGS_KEY, (int)$enabled ),
|
|
// Time-to-live (in seconds)
|
|
$cache::TTL_MINUTE,
|
|
// Function that derives the new key value
|
|
function ( $oldValue, &$ttl, array &$setOpts ) use ( $enabled, $tags, $fname ) {
|
|
global $wgAbuseFilterCentralDB, $wgAbuseFilterIsCentral;
|
|
|
|
$dbr = wfGetDB( DB_REPLICA );
|
|
// Account for any snapshot/replica DB lag
|
|
$setOpts += Database::getCacheSetOptions( $dbr );
|
|
|
|
// This is a pretty awful hack.
|
|
|
|
$where = [ 'afa_consequence' => 'tag', 'af_deleted' => false ];
|
|
if ( $enabled ) {
|
|
$where['af_enabled'] = true;
|
|
}
|
|
$res = $dbr->select(
|
|
[ 'abuse_filter_action', 'abuse_filter' ],
|
|
'afa_parameters',
|
|
$where,
|
|
$fname,
|
|
[],
|
|
[ 'abuse_filter' => [ 'INNER JOIN', 'afa_filter=af_id' ] ]
|
|
);
|
|
|
|
foreach ( $res as $row ) {
|
|
$tags = array_filter(
|
|
array_merge( explode( "\n", $row->afa_parameters ), $tags )
|
|
);
|
|
}
|
|
|
|
if ( $wgAbuseFilterCentralDB && !$wgAbuseFilterIsCentral ) {
|
|
$dbr = AbuseFilter::getCentralDB( DB_REPLICA );
|
|
$res = $dbr->select(
|
|
[ 'abuse_filter_action', 'abuse_filter' ],
|
|
'afa_parameters',
|
|
[ 'af_global' => 1 ] + $where,
|
|
$fname,
|
|
[],
|
|
[ 'abuse_filter' => [ 'INNER JOIN', 'afa_filter=af_id' ] ]
|
|
);
|
|
|
|
foreach ( $res as $row ) {
|
|
$tags = array_filter(
|
|
array_merge( explode( "\n", $row->afa_parameters ), $tags )
|
|
);
|
|
}
|
|
}
|
|
|
|
return $tags;
|
|
}
|
|
);
|
|
|
|
$tags[] = 'abusefilter-condition-limit';
|
|
}
|
|
|
|
/**
|
|
* @param string[] &$tags
|
|
*/
|
|
public static function onListDefinedTags( array &$tags ) {
|
|
self::fetchAllTags( $tags, false );
|
|
}
|
|
|
|
/**
|
|
* @param string[] &$tags
|
|
*/
|
|
public static function onChangeTagsListActive( array &$tags ) {
|
|
self::fetchAllTags( $tags, true );
|
|
}
|
|
|
|
/**
|
|
* @param DatabaseUpdater $updater
|
|
* @throws MWException
|
|
*/
|
|
public static function onLoadExtensionSchemaUpdates( DatabaseUpdater $updater ) {
|
|
$dir = dirname( __DIR__ );
|
|
|
|
if ( $updater->getDB()->getType() === 'mysql' || $updater->getDB()->getType() === 'sqlite' ) {
|
|
if ( $updater->getDB()->getType() === 'mysql' ) {
|
|
$updater->addExtensionUpdate( [ 'addTable', 'abuse_filter',
|
|
"$dir/abusefilter.tables.sql", true ] );
|
|
$updater->addExtensionUpdate( [ 'addTable', 'abuse_filter_history',
|
|
"$dir/db_patches/patch-abuse_filter_history.sql", true ] );
|
|
} else {
|
|
$updater->addExtensionUpdate( [ 'addTable', 'abuse_filter',
|
|
"$dir/abusefilter.tables.sqlite.sql", true ] );
|
|
$updater->addExtensionUpdate( [ 'addTable', 'abuse_filter_history',
|
|
"$dir/db_patches/patch-abuse_filter_history.sqlite.sql", true ] );
|
|
}
|
|
$updater->addExtensionUpdate( [
|
|
'addField', 'abuse_filter_history', 'afh_changed_fields',
|
|
"$dir/db_patches/patch-afh_changed_fields.sql", true
|
|
] );
|
|
$updater->addExtensionUpdate( [ 'addField', 'abuse_filter', 'af_deleted',
|
|
"$dir/db_patches/patch-af_deleted.sql", true ] );
|
|
$updater->addExtensionUpdate( [ 'addField', 'abuse_filter', 'af_actions',
|
|
"$dir/db_patches/patch-af_actions.sql", true ] );
|
|
$updater->addExtensionUpdate( [ 'addField', 'abuse_filter', 'af_global',
|
|
"$dir/db_patches/patch-global_filters.sql", true ] );
|
|
$updater->addExtensionUpdate( [ 'addField', 'abuse_filter_log', 'afl_rev_id',
|
|
"$dir/db_patches/patch-afl_action_id.sql", true ] );
|
|
if ( $updater->getDB()->getType() === 'mysql' ) {
|
|
$updater->addExtensionUpdate( [ 'addIndex', 'abuse_filter_log',
|
|
'filter_timestamp', "$dir/db_patches/patch-fix-indexes.sql", true ] );
|
|
} else {
|
|
$updater->addExtensionUpdate( [
|
|
'addIndex', 'abuse_filter_log', 'afl_filter_timestamp',
|
|
"$dir/db_patches/patch-fix-indexes.sqlite.sql", true
|
|
] );
|
|
}
|
|
|
|
$updater->addExtensionUpdate( [ 'addField', 'abuse_filter',
|
|
'af_group', "$dir/db_patches/patch-af_group.sql", true ] );
|
|
|
|
if ( $updater->getDB()->getType() === 'mysql' ) {
|
|
$updater->addExtensionUpdate( [
|
|
'addIndex', 'abuse_filter_log', 'wiki_timestamp',
|
|
"$dir/db_patches/patch-global_logging_wiki-index.sql", true
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'modifyField', 'abuse_filter_log', 'afl_namespace',
|
|
"$dir/db_patches/patch-afl-namespace_int.sql", true
|
|
] );
|
|
} else {
|
|
$updater->addExtensionUpdate( [
|
|
'addIndex', 'abuse_filter_log', 'afl_wiki_timestamp',
|
|
"$dir/db_patches/patch-global_logging_wiki-index.sqlite.sql", true
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'modifyField', 'abuse_filter_log', 'afl_namespace',
|
|
"$dir/db_patches/patch-afl-namespace_int.sqlite.sql", true
|
|
] );
|
|
}
|
|
if ( $updater->getDB()->getType() === 'mysql' ) {
|
|
$updater->addExtensionUpdate( [ 'dropField', 'abuse_filter_log',
|
|
'afl_log_id', "$dir/db_patches/patch-drop_afl_log_id.sql", true ] );
|
|
} else {
|
|
$updater->addExtensionUpdate( [ 'dropField', 'abuse_filter_log',
|
|
'afl_log_id', "$dir/db_patches/patch-drop_afl_log_id.sqlite.sql", true ] );
|
|
}
|
|
|
|
if ( $updater->getDB()->getType() == 'mysql' ) {
|
|
$updater->addExtensionUpdate( [
|
|
'addIndex', 'abuse_filter_log', 'filter_timestamp_full',
|
|
"$dir/db_patches/patch-split-afl_filter.sql", true
|
|
] );
|
|
} else {
|
|
$updater->addExtensionUpdate( [
|
|
'addIndex', 'abuse_filter_log', 'filter_timestamp_full',
|
|
"$dir/db_patches/patch-split-afl_filter.sqlite.sql", true
|
|
] );
|
|
}
|
|
} elseif ( $updater->getDB()->getType() === 'postgres' ) {
|
|
$updater->addExtensionUpdate( [
|
|
'addTable', 'abuse_filter', "$dir/abusefilter.tables.pg.sql", true ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addTable', 'abuse_filter_history',
|
|
"$dir/db_patches/patch-abuse_filter_history.pg.sql", true
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter', 'af_actions', "TEXT NOT NULL DEFAULT ''" ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter', 'af_deleted', 'SMALLINT NOT NULL DEFAULT 0' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter', 'af_global', 'SMALLINT NOT NULL DEFAULT 0' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter', 'af_group', "TEXT NOT NULL DEFAULT 'default'" ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter', 'abuse_filter_group_enabled_id',
|
|
"(af_group, af_enabled, af_id)"
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_history', 'afh_group', "TEXT" ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_wiki', 'TEXT' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_deleted', 'SMALLINT' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'setDefault', 'abuse_filter_log', 'afl_deleted', '0' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'changeNullableField', 'abuse_filter_log', 'afl_deleted', 'NOT NULL', true ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_patrolled_by', 'INTEGER' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_rev_id', 'INTEGER' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'changeField', 'abuse_filter_log', 'afl_filter', 'TEXT', '' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'changeField', 'abuse_filter_log', 'afl_namespace', "INTEGER", '' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgIndex', 'abuse_filter_log', 'abuse_filter_log_filter' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgIndex', 'abuse_filter_log', 'abuse_filter_log_ip' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgIndex', 'abuse_filter_log', 'abuse_filter_log_title' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgIndex', 'abuse_filter_log', 'abuse_filter_log_user' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgIndex', 'abuse_filter_log', 'abuse_filter_log_user_text' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgIndex', 'abuse_filter_log', 'abuse_filter_log_wiki' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_filter_timestamp',
|
|
'(afl_filter,afl_timestamp)'
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_user_timestamp',
|
|
'(afl_user,afl_user_text,afl_timestamp)'
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_page_timestamp',
|
|
'(afl_namespace,afl_title,afl_timestamp)'
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_ip_timestamp',
|
|
'(afl_ip, afl_timestamp)'
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_rev_id',
|
|
'(afl_rev_id)'
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_wiki_timestamp',
|
|
'(afl_wiki,afl_timestamp)'
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'dropPgField', 'abuse_filter_log', 'afl_log_id' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'setDefault', 'abuse_filter_log', 'afl_filter', ''
|
|
] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_global', 'SMALLINT NOT NULL DEFAULT 0' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_filter_id', 'INTEGER NOT NULL DEFAULT 0' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgIndex', 'abuse_filter_log', 'abuse_filter_log_filter_timestamp_full',
|
|
'(afl_global, afl_filter_id, afl_timestamp)' ] );
|
|
}
|
|
|
|
$updater->addExtensionUpdate( [ [ __CLASS__, 'createAbuseFilterUser' ] ] );
|
|
$updater->addPostDatabaseUpdateMaintenance( 'NormalizeThrottleParameters' );
|
|
}
|
|
|
|
/**
|
|
* Updater callback to create the AbuseFilter user after the user tables have been updated.
|
|
* @param DatabaseUpdater $updater
|
|
*/
|
|
public static function createAbuseFilterUser( DatabaseUpdater $updater ) {
|
|
$username = wfMessage( 'abusefilter-blocker' )->inContentLanguage()->text();
|
|
$user = User::newFromName( $username );
|
|
|
|
if ( $user && !$updater->updateRowExists( 'create abusefilter-blocker-user' ) ) {
|
|
$user = User::newSystemUser( $username, [ 'steal' => true ] );
|
|
$updater->insertUpdateRow( 'create abusefilter-blocker-user' );
|
|
// Promote user so it doesn't look too crazy.
|
|
$user->addGroup( 'sysop' );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param int $id
|
|
* @param Title $nt
|
|
* @param array &$tools
|
|
* @param SpecialPage $sp for context
|
|
*/
|
|
public static function onContributionsToolLinks( $id, Title $nt, array &$tools, SpecialPage $sp ) {
|
|
$username = $nt->getText();
|
|
if ( MediaWikiServices::getInstance()->getPermissionManager()
|
|
->userHasRight( $sp->getUser(), 'abusefilter-log' )
|
|
&& !IP::isValidRange( $username )
|
|
) {
|
|
$linkRenderer = $sp->getLinkRenderer();
|
|
$tools['abuselog'] = $linkRenderer->makeLink(
|
|
SpecialPage::getTitleFor( 'AbuseLog' ),
|
|
$sp->msg( 'abusefilter-log-linkoncontribs' )->text(),
|
|
[ 'title' => $sp->msg( 'abusefilter-log-linkoncontribs-text',
|
|
$username )->text() ],
|
|
[ 'wpSearchUser' => $username ]
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param IContextSource $context
|
|
* @param LinkRenderer $linkRenderer
|
|
* @param string[] &$links
|
|
*/
|
|
public static function onHistoryPageToolLinks(
|
|
IContextSource $context,
|
|
LinkRenderer $linkRenderer,
|
|
array &$links
|
|
) {
|
|
$user = $context->getUser();
|
|
if ( MediaWikiServices::getInstance()->getPermissionManager()
|
|
->userHasRight( $user, 'abusefilter-log' )
|
|
) {
|
|
$links[] = $linkRenderer->makeLink(
|
|
SpecialPage::getTitleFor( 'AbuseLog' ),
|
|
$context->msg( 'abusefilter-log-linkonhistory' )->text(),
|
|
[ 'title' => $context->msg( 'abusefilter-log-linkonhistory-text' )->text() ],
|
|
[ 'wpSearchTitle' => $context->getTitle()->getPrefixedText() ]
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param IContextSource $context
|
|
* @param LinkRenderer $linkRenderer
|
|
* @param string[] &$links
|
|
*/
|
|
public static function onUndeletePageToolLinks(
|
|
IContextSource $context,
|
|
LinkRenderer $linkRenderer,
|
|
array &$links
|
|
) {
|
|
$user = $context->getUser();
|
|
if ( MediaWikiServices::getInstance()->getPermissionManager()
|
|
->userHasRight( $user, 'abusefilter-log' )
|
|
) {
|
|
$links[] = $linkRenderer->makeLink(
|
|
SpecialPage::getTitleFor( 'AbuseLog' ),
|
|
$context->msg( 'abusefilter-log-linkonundelete' )->text(),
|
|
[ 'title' => $context->msg( 'abusefilter-log-linkonundelete-text' )->text() ],
|
|
[ 'wpSearchTitle' => $context->getTitle()->getPrefixedText() ]
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter an upload.
|
|
*
|
|
* @param UploadBase $upload
|
|
* @param User $user
|
|
* @param array|null $props
|
|
* @param string $comment
|
|
* @param string $pageText
|
|
* @param array|ApiMessage &$error
|
|
* @return bool
|
|
*/
|
|
public static function onUploadVerifyUpload( UploadBase $upload, User $user,
|
|
$props, $comment, $pageText, &$error
|
|
) {
|
|
return self::filterUpload( 'upload', $upload, $user, $props, $comment, $pageText, $error );
|
|
}
|
|
|
|
/**
|
|
* Filter an upload to stash. If a filter doesn't need to check the page contents or
|
|
* upload comment, it can use `action='stashupload'` to provide better experience to e.g.
|
|
* UploadWizard (rejecting files immediately, rather than after the user adds the details).
|
|
*
|
|
* @param UploadBase $upload
|
|
* @param User $user
|
|
* @param array $props
|
|
* @param array|ApiMessage &$error
|
|
* @return bool
|
|
*/
|
|
public static function onUploadStashFile( UploadBase $upload, User $user,
|
|
array $props, &$error
|
|
) {
|
|
return self::filterUpload( 'stashupload', $upload, $user, $props, null, null, $error );
|
|
}
|
|
|
|
/**
|
|
* Get variables for filtering an upload.
|
|
* @todo Consider splitting into a separate class
|
|
* @internal Until we'll find the right place for it
|
|
*
|
|
* @param string $action
|
|
* @param User $user
|
|
* @param Title $title
|
|
* @param UploadBase $upload
|
|
* @param string $summary
|
|
* @param string $text
|
|
* @param array $props
|
|
* @return AbuseFilterVariableHolder|null
|
|
*/
|
|
public static function getUploadVars(
|
|
$action,
|
|
User $user,
|
|
Title $title,
|
|
UploadBase $upload,
|
|
$summary,
|
|
$text,
|
|
$props
|
|
) {
|
|
$mimeAnalyzer = MediaWikiServices::getInstance()->getMimeAnalyzer();
|
|
if ( !$props ) {
|
|
$props = ( new MWFileProps( $mimeAnalyzer ) )->getPropsFromPath(
|
|
$upload->getTempPath(),
|
|
true
|
|
);
|
|
}
|
|
|
|
$vars = new AbuseFilterVariableHolder;
|
|
$vars->addHolders(
|
|
AbuseFilter::generateUserVars( $user ),
|
|
AbuseFilter::generateTitleVars( $title, 'page' )
|
|
);
|
|
$vars->setVar( 'action', $action );
|
|
|
|
// We use the hexadecimal version of the file sha1.
|
|
// Use UploadBase::getTempFileSha1Base36 so that we don't have to calculate the sha1 sum again
|
|
$sha1 = Wikimedia\base_convert( $upload->getTempFileSha1Base36(), 36, 16, 40 );
|
|
|
|
// This is the same as AbuseFilter::getUploadVarsFromRCRow, but from a different source
|
|
$vars->setVar( 'file_sha1', $sha1 );
|
|
$vars->setVar( 'file_size', $upload->getFileSize() );
|
|
|
|
$vars->setVar( 'file_mime', $props['mime'] );
|
|
$vars->setVar( 'file_mediatype', $mimeAnalyzer->getMediaType( null, $props['mime'] ) );
|
|
$vars->setVar( 'file_width', $props['width'] );
|
|
$vars->setVar( 'file_height', $props['height'] );
|
|
$vars->setVar( 'file_bits_per_channel', $props['bits'] );
|
|
|
|
// We only have the upload comment and page text when using the UploadVerifyUpload hook
|
|
if ( $summary !== null && $text !== null ) {
|
|
// This block is adapted from self::filterEdit()
|
|
if ( $title->exists() ) {
|
|
$page = WikiPage::factory( $title );
|
|
$revision = $page->getRevision();
|
|
if ( !$revision ) {
|
|
return null;
|
|
}
|
|
|
|
$oldcontent = $revision->getContent( Revision::RAW );
|
|
$oldtext = AbuseFilter::contentToString( $oldcontent );
|
|
|
|
// Cache article object so we can share a parse operation
|
|
$articleCacheKey = $title->getNamespace() . ':' . $title->getText();
|
|
AFComputedVariable::$articleCache[$articleCacheKey] = $page;
|
|
|
|
// Page text is ignored for uploads when the page already exists
|
|
$text = $oldtext;
|
|
} else {
|
|
$page = null;
|
|
$oldtext = '';
|
|
}
|
|
|
|
// Load vars for filters to check
|
|
$vars->setVar( 'summary', $summary );
|
|
$vars->setVar( 'old_wikitext', $oldtext );
|
|
$vars->setVar( 'new_wikitext', $text );
|
|
// TODO: set old_content and new_content vars, use them
|
|
$vars->addHolders( AbuseFilter::getEditVars( $title, $page ) );
|
|
}
|
|
return $vars;
|
|
}
|
|
|
|
/**
|
|
* Implementation for UploadStashFile and UploadVerifyUpload hooks.
|
|
*
|
|
* @param string $action 'upload' or 'stashupload'
|
|
* @param UploadBase $upload
|
|
* @param User $user User performing the action
|
|
* @param array|null $props File properties, as returned by MWFileProps::getPropsFromPath().
|
|
* @param string|null $summary Upload log comment (also used as edit summary)
|
|
* @param string|null $text File description page text (only used for new uploads)
|
|
* @param array|ApiMessage &$error
|
|
* @return bool
|
|
*/
|
|
public static function filterUpload( $action, UploadBase $upload, User $user,
|
|
$props, $summary, $text, &$error
|
|
) {
|
|
$title = $upload->getTitle();
|
|
if ( $title === null ) {
|
|
// T144265: This could happen for 'stashupload' if the specified title is invalid.
|
|
// Let UploadBase warn the user about that, and we'll filter later.
|
|
$logger = LoggerFactory::getInstance( 'AbuseFilter' );
|
|
$logger->warning( __METHOD__ . " received a null title. Action: $action." );
|
|
return true;
|
|
}
|
|
|
|
$vars = self::getUploadVars( $action, $user, $title, $upload, $summary, $text, $props );
|
|
if ( $vars === null ) {
|
|
return true;
|
|
}
|
|
$runner = new AbuseFilterRunner( $user, $title, $vars, 'default' );
|
|
$filterResult = $runner->run();
|
|
|
|
if ( !$filterResult->isOK() ) {
|
|
// Produce a useful error message for API edits
|
|
$filterResultApi = self::getApiStatus( $filterResult );
|
|
// @todo Return all errors instead of only the first one
|
|
$error = $filterResultApi->getErrors()[0]['message'];
|
|
}
|
|
|
|
return $filterResult->isOK();
|
|
}
|
|
|
|
/**
|
|
* Tables that Extension:UserMerge needs to update
|
|
*
|
|
* @param array &$updateFields
|
|
*/
|
|
public static function onUserMergeAccountFields( array &$updateFields ) {
|
|
$updateFields[] = [ 'abuse_filter', 'af_user', 'af_user_text' ];
|
|
$updateFields[] = [ 'abuse_filter_log', 'afl_user', 'afl_user_text' ];
|
|
$updateFields[] = [ 'abuse_filter_history', 'afh_user', 'afh_user_text' ];
|
|
}
|
|
|
|
/**
|
|
* Warms the cache for getLastPageAuthors() - T116557
|
|
*
|
|
* @param WikiPage $page
|
|
* @param Content $content
|
|
* @param ParserOutput $output
|
|
* @param string $summary
|
|
* @param User $user
|
|
*/
|
|
public static function onParserOutputStashForEdit(
|
|
WikiPage $page, Content $content, ParserOutput $output, $summary, User $user
|
|
) {
|
|
$startTime = microtime( true );
|
|
$oldRevision = $page->getRevision();
|
|
if ( !$oldRevision ) {
|
|
return;
|
|
}
|
|
|
|
$oldContent = $oldRevision->getContent( Revision::RAW );
|
|
$oldAfText = AbuseFilter::revisionToString( $oldRevision, $user );
|
|
|
|
// XXX: This makes the assumption that this method is only ever called for the main slot.
|
|
// Which right now holds true, but any more fancy MCR stuff will likely break here...
|
|
$slot = SlotRecord::MAIN;
|
|
|
|
// XXX: Recreate what the new revision will probably be so we can get the full AF
|
|
// text for all slots
|
|
$oldRevRecord = $oldRevision->getRevisionRecord();
|
|
$newRevision = MutableRevisionRecord::newFromParentRevision( $oldRevRecord );
|
|
$newRevision->setContent( $slot, $content );
|
|
$text = AbuseFilter::revisionToString( $newRevision, $user );
|
|
|
|
$outerTime = microtime( true ) - $startTime;
|
|
|
|
// Cache any resulting filter matches.
|
|
// Do this outside the synchronous stash lock to avoid any chance of slowdown.
|
|
DeferredUpdates::addCallableUpdate(
|
|
function () use (
|
|
$user,
|
|
$page,
|
|
$summary,
|
|
$content,
|
|
$text,
|
|
$oldContent,
|
|
$oldAfText,
|
|
$outerTime
|
|
) {
|
|
$startTime = microtime( true );
|
|
$vars = self::newVariableHolderForEdit(
|
|
$user, $page->getTitle(), $page, $summary, $content, $text, $oldAfText, $oldContent
|
|
);
|
|
$runner = new AbuseFilterRunner( $user, $page->getTitle(), $vars, 'default' );
|
|
$runner->runForStash();
|
|
$totalTime = $outerTime + ( microtime( true ) - $startTime );
|
|
MediaWikiServices::getInstance()->getStatsdDataFactory()
|
|
->timing( 'timing.stashAbuseFilter', $totalTime );
|
|
},
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Setup tables to emulate global filters, used in AbuseFilterConsequencesTest.
|
|
*
|
|
* @param IMaintainableDatabase $db
|
|
* @param string $prefix The prefix used in unit tests
|
|
* @suppress PhanUndeclaredClassConstant AbuseFilterConsequencesTest is in AutoloadClasses
|
|
* @suppress PhanUndeclaredClassStaticProperty AbuseFilterConsequencesTest is in AutoloadClasses
|
|
*/
|
|
public static function onUnitTestsAfterDatabaseSetup( IMaintainableDatabase $db, $prefix ) {
|
|
$externalPrefix = AbuseFilterConsequencesTest::DB_EXTERNAL_PREFIX;
|
|
if ( $db->tableExists( $externalPrefix . AbuseFilterConsequencesTest::$externalTables[0] ) ) {
|
|
// Check a random table to avoid unnecessary table creations. See T155147.
|
|
return;
|
|
}
|
|
|
|
foreach ( AbuseFilterConsequencesTest::$externalTables as $table ) {
|
|
// Don't create them as temporary, as we'll access the DB via another connection
|
|
$db->duplicateTableStructure(
|
|
"$prefix$table",
|
|
"$prefix$externalPrefix$table",
|
|
false,
|
|
__METHOD__
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Drop tables used for global filters in AbuseFilterConsequencesTest.
|
|
* Note: this has the same problem as T201290.
|
|
*
|
|
* @suppress PhanUndeclaredClassConstant AbuseFilterConsequencesTest is in AutoloadClasses
|
|
* @suppress PhanUndeclaredClassStaticProperty AbuseFilterConsequencesTest is in AutoloadClasses
|
|
*/
|
|
public static function onUnitTestsBeforeDatabaseTeardown() {
|
|
$db = wfGetDB( DB_MASTER );
|
|
foreach ( AbuseFilterConsequencesTest::$externalTables as $table ) {
|
|
$db->dropTable( AbuseFilterConsequencesTest::DB_EXTERNAL_PREFIX . $table );
|
|
}
|
|
}
|
|
}
|