mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AbuseFilter.git
synced 2024-11-27 23:40:19 +00:00
caa4b1c763
This is taken from I6a57a28f22600aafb2e529587ecce6083e9f7da4 and makes all the needed changes to make phan pass. Seccheck will instead fail, but since it's not clear how to fix it (and it is non-voting), for the moment we may merge this and enable phan on IC. Bug: T192325 Change-Id: I77648b6f8e146114fd43bb0f4dfccdb36b7ac1ac
855 lines
26 KiB
PHP
855 lines
26 KiB
PHP
<?php
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use MediaWiki\MediaWikiServices;
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use Wikimedia\Rdbms\Database;
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class AbuseFilterHooks {
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const FETCH_ALL_TAGS_KEY = 'abusefilter-fetch-all-tags';
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/** @var AbuseFilterVariableHolder|bool */
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public static $successful_action_vars = false;
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/** @var WikiPage|Article|bool Make sure edit filter & edit save hooks match */
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public static $last_edit_page = false;
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// So far, all of the error message out-params for these hooks accept HTML.
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// Hooray!
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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 $wgAbuseFilterAvailableActions, $wgAbuseFilterRestrictedActions,
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$wgAuthManagerAutoConfig;
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if ( isset( $wgAbuseFilterAvailableActions ) || isset( $wgAbuseFilterRestrictedActions ) ) {
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wfWarn( '$wgAbuseFilterAvailableActions and $wgAbuseFilterRestrictedActions have been '
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. 'removed. Please use $wgAbuseFilterActions and $wgAbuseFilterRestrictions '
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. 'instead. The format is the same except the action names are the keys of the '
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. 'array and the values are booleans.' );
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}
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$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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}
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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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* @return bool Always true
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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, $minoredit
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) {
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$text = AbuseFilter::contentToString( $content );
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$filterStatus = self::filterEdit( $context, $content, $text, $status, $summary, $minoredit );
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if ( !$filterStatus->isOK() ) {
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// Produce a useful error message for API edits
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$status->apiHookResult = self::getApiResult( $filterStatus );
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}
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return true;
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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 Status $status Error message to return
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* @param string $summary Edit summary for page
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* @param bool $minoredit whether this is a minor edit according to the user.
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* @return Status
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*/
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public static function filterEdit( IContextSource $context, $content, $text,
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Status $status, $summary, $minoredit
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) {
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$title = $context->getTitle();
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self::$successful_action_vars = false;
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self::$last_edit_page = false;
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$user = $context->getUser();
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$oldcontent = null;
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if ( ( $title instanceof Title ) && $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 = $context->getWikiPage();
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$revision = $page->getRevision();
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if ( !$revision ) {
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return Status::newGood();
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}
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$oldcontent = $revision->getContent( Revision::RAW );
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$oldtext = AbuseFilter::contentToString( $oldcontent );
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// Cache article object so we can share a parse operation
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$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 ( $content && $oldcontent ) {
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// Compare Content objects if available
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if ( $content->equals( $oldcontent ) ) {
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return Status::newGood();
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}
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} elseif ( strcmp( $oldtext, $text ) == 0 ) {
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// Otherwise, compare strings
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return Status::newGood();
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}
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} else {
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$page = null;
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}
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// Load vars for filters to check
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$vars = self::newVariableHolderForEdit(
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$user, $title, $page, $summary, $content, $text, $oldcontent
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);
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$filter_result = AbuseFilter::filterAction( $vars, $title );
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if ( !$filter_result->isOK() ) {
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$status->merge( $filter_result );
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return $filter_result;
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}
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self::$successful_action_vars = $vars;
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self::$last_edit_page = $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 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, $oldcontent = null
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) {
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$vars = new AbuseFilterVariableHolder();
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$vars->addHolders(
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AbuseFilter::generateUserVars( $user ),
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AbuseFilter::generateTitleVars( $title, 'ARTICLE' )
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);
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$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 = $oldcontent->getModel();
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$oldtext = AbuseFilter::contentToString( $oldcontent );
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} else {
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$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', $text );
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// TODO: set old_content and new_content vars, use them
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$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 array API result
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*/
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private static function getApiResult( Status $status ) {
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global $wgFullyInitialised;
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$params = $status->getErrorsArray()[0];
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$key = array_shift( $params );
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$warning = wfMessage( $key )->params( $params );
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if ( !$wgFullyInitialised ) {
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// This could happen for account autocreation checks
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$warning = $warning->inContentLanguage();
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}
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$filterDescription = $params[0];
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$filter = $params[1];
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// The value is a nested structure keyed by filter id, which doesn't make sense when we only
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// return the result from one filter. Flatten it to a plain array of actions.
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$actionsTaken = array_values( array_unique(
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call_user_func_array( 'array_merge', array_values( $status->getValue() ) )
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) );
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$code = ( $actionsTaken === [ 'warn' ] ) ? 'abusefilter-warning' : 'abusefilter-disallowed';
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ApiResult::setIndexedTagName( $params, 'param' );
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return [
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'code' => $code,
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'message' => [
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'key' => $key,
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'params' => $params,
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],
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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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// For backwards-compatibility
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'info' => 'Hit AbuseFilter: ' . $filterDescription,
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'warning' => $warning->parse(),
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];
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}
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/**
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* @param WikiPage &$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 $baseRevId
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*
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* @return bool
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*/
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public static function onPageContentSaveComplete(
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WikiPage &$wikiPage, &$user, $content, $summary, $minoredit, $watchthis, $sectionanchor,
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&$flags, $revision, &$status, $baseRevId
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) {
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if ( !self::$successful_action_vars || !$revision ) {
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self::$successful_action_vars = false;
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return true;
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}
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/** @var AbuseFilterVariableHolder|bool $vars */
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$vars = self::$successful_action_vars;
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if ( $vars->getVar( 'article_prefixedtext' )->toString() !==
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$wikiPage->getTitle()->getPrefixedText()
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) {
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return true;
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}
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if ( !self::identicalPageObjects( $wikiPage, self::$last_edit_page ) ) {
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// This isn't the edit $successful_action_vars was set for
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return true;
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}
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self::$last_edit_page = false;
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if ( $vars->getVar( 'local_log_ids' ) ) {
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// Now actually do our storage
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$log_ids = $vars->getVar( 'local_log_ids' )->toNative();
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$dbw = wfGetDB( DB_MASTER );
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if ( $log_ids !== null && count( $log_ids ) ) {
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$dbw->update( 'abuse_filter_log',
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[ 'afl_rev_id' => $revision->getId() ],
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[ 'afl_id' => $log_ids ],
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__METHOD__
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);
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}
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}
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if ( $vars->getVar( 'global_log_ids' ) ) {
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$log_ids = $vars->getVar( 'global_log_ids' )->toNative();
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if ( $log_ids !== null && count( $log_ids ) ) {
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global $wgAbuseFilterCentralDB;
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$fdb = wfGetDB( DB_MASTER, [], $wgAbuseFilterCentralDB );
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$fdb->update( 'abuse_filter_log',
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[ 'afl_rev_id' => $revision->getId() ],
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[ 'afl_id' => $log_ids, 'afl_wiki' => wfWikiID() ],
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__METHOD__
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);
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}
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}
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return true;
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}
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/**
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* Check if two article objects are identical or have an identical WikiPage
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* @param Article|WikiPage $page1
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* @param Article|WikiPage $page2
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* @return bool
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*/
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protected static function identicalPageObjects( $page1, $page2 ) {
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$wpage1 = ( $page1 instanceof Article ) ? $page1->getPage() : $page1;
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$wpage2 = ( $page2 instanceof Article ) ? $page2->getPage() : $page2;
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return $wpage1 === $wpage2;
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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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* @return bool
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*/
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public static function onGetAutoPromoteGroups( $user, &$promote ) {
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if ( $promote ) {
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$key = AbuseFilter::autoPromoteBlockKey( $user );
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$blocked = (bool)ObjectCache::getInstance( 'hash' )->getWithSetCallback(
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$key,
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30,
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function () use ( $key ) {
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return (int)ObjectCache::getMainStashInstance()->get( $key );
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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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return true;
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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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* @return bool
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*/
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public static function onMovePageCheckPermissions( Title $oldTitle, Title $newTitle,
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User $user, $reason, Status $status
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) {
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$vars = new AbuseFilterVariableHolder;
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$vars->addHolders(
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AbuseFilter::generateUserVars( $user ),
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AbuseFilter::generateTitleVars( $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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$result = AbuseFilter::filterAction( $vars, $oldTitle );
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$status->merge( $result );
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return $result->isOK();
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}
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/**
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* @param WikiPage &$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( &$article, &$user, &$reason, &$error, &$status ) {
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$vars = new AbuseFilterVariableHolder;
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$vars->addHolders(
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AbuseFilter::generateUserVars( $user ),
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AbuseFilter::generateTitleVars( $article->getTitle(), 'ARTICLE' )
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);
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$vars->setVar( 'SUMMARY', $reason );
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$vars->setVar( 'ACTION', 'delete' );
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$filter_result = AbuseFilter::filterAction( $vars, $article->getTitle() );
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$status->merge( $filter_result );
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$error = $filter_result->isOK() ? '' : $filter_result->getHTML();
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return $filter_result->isOK();
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}
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/**
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* @param RecentChange $recentChange
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* @return bool
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*/
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public static function onRecentChangeSave( $recentChange ) {
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$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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$action = $recentChange->mAttribs['rc_log_type'] ?
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$recentChange->mAttribs['rc_log_type'] : 'edit';
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$actionID = implode( '-', [
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$title->getPrefixedText(), $recentChange->getAttribute( 'rc_user_text' ), $action
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] );
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if ( isset( AbuseFilter::$tagsToSet[$actionID] ) ) {
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$recentChange->addTags( AbuseFilter::$tagsToSet[$actionID] );
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}
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return true;
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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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/**
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* @param array $tags
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* @param bool $enabled
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* @return bool
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*/
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private static function fetchAllTags( array &$tags, $enabled ) {
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$services = MediaWikiServices::getInstance();
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$cache = $services->getMainWANObjectCache();
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$tags = $cache->getWithSetCallback(
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// Key to store the cached value under
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$cache->makeKey( self::FETCH_ALL_TAGS_KEY, (int)$enabled ),
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// Time-to-live (in seconds)
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$cache::TTL_MINUTE,
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// Function that derives the new key value
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function ( $oldValue, &$ttl, array &$setOpts ) use ( $enabled, $tags ) {
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global $wgAbuseFilterCentralDB, $wgAbuseFilterIsCentral;
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$dbr = wfGetDB( DB_REPLICA );
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// Account for any snapshot/replica DB lag
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$setOpts += Database::getCacheSetOptions( $dbr );
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// This is a pretty awful hack.
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$where = [ 'afa_consequence' => 'tag', 'af_deleted' => false ];
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if ( $enabled ) {
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$where['af_enabled'] = true;
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}
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$res = $dbr->select(
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[ 'abuse_filter_action', 'abuse_filter' ],
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'afa_parameters',
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$where,
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__METHOD__,
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[],
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[ 'abuse_filter' => [ 'INNER JOIN', 'afa_filter=af_id' ] ]
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);
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foreach ( $res as $row ) {
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$tags = array_filter(
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array_merge( explode( "\n", $row->afa_parameters ), $tags )
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);
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}
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if ( $wgAbuseFilterCentralDB && !$wgAbuseFilterIsCentral ) {
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$dbr = wfGetDB( DB_REPLICA, [], $wgAbuseFilterCentralDB );
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$where['af_global'] = 1;
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$res = $dbr->select(
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[ 'abuse_filter_action', 'abuse_filter' ],
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'afa_parameters',
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$where,
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__METHOD__,
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[],
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[ 'abuse_filter' => [ 'INNER JOIN', 'afa_filter=af_id' ] ]
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);
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foreach ( $res as $row ) {
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$tags = array_filter(
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array_merge( explode( "\n", $row->afa_parameters ), $tags )
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);
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}
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}
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return $tags;
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}
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);
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$tags[] = 'abusefilter-condition-limit';
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return true;
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}
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/**
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* @param string[] &$tags
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* @return bool
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*/
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public static function onListDefinedTags( array &$tags ) {
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return self::fetchAllTags( $tags, false );
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}
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/**
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* @param string[] &$tags
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* @return bool
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*/
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public static function onChangeTagsListActive( array &$tags ) {
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return self::fetchAllTags( $tags, true );
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}
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/**
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* @param DatabaseUpdater $updater
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* @throws MWException
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* @return bool
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*/
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public static function onLoadExtensionSchemaUpdates( DatabaseUpdater $updater ) {
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$dir = dirname( __DIR__ );
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if ( $updater->getDB()->getType() == 'mysql' || $updater->getDB()->getType() == 'sqlite' ) {
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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
|
|
] );
|
|
} else {
|
|
$updater->addExtensionUpdate( [
|
|
'addIndex', 'abuse_filter_log', 'afl_wiki_timestamp',
|
|
"$dir/db_patches/patch-global_logging_wiki-index.sqlite.sql", true
|
|
] );
|
|
}
|
|
|
|
if ( $updater->getDB()->getType() == 'mysql' ) {
|
|
$updater->addExtensionUpdate( [
|
|
'modifyField', 'abuse_filter_log', 'afl_namespace',
|
|
"$dir/db_patches/patch-afl-namespace_int.sql", true
|
|
] );
|
|
} else {
|
|
/*
|
|
$updater->addExtensionUpdate( array(
|
|
'modifyField',
|
|
'abuse_filter_log',
|
|
'afl_namespace',
|
|
"$dir/db_patches/patch-afl-namespace_int.sqlite.sql",
|
|
true
|
|
) );
|
|
*/
|
|
/* @todo Modify a column in sqlite, which do not support such
|
|
* things create backup, drop, create with new schema, copy,
|
|
* drop backup or simply see
|
|
* https://www.mediawiki.org/wiki/Manual:SQLite#About_SQLite :
|
|
* Several extensions are known to have database update or
|
|
* installation issues with SQLite: AbuseFilter, ...
|
|
*/
|
|
}
|
|
} 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_log', 'afl_wiki', 'TEXT' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgField', 'abuse_filter_log', 'afl_deleted', 'SMALLINT' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'changeField', 'abuse_filter_log', 'afl_filter', 'TEXT', '' ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_ip', "(afl_ip)" ] );
|
|
$updater->addExtensionUpdate( [
|
|
'addPgExtIndex', 'abuse_filter_log', 'abuse_filter_log_wiki', "(afl_wiki)" ] );
|
|
$updater->addExtensionUpdate( [
|
|
'changeField', 'abuse_filter_log', 'afl_namespace', "INTEGER", '' ] );
|
|
$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( [ [ __CLASS__, 'createAbuseFilterUser' ] ] );
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Updater callback to create the AbuseFilter user after the user tables have been updated.
|
|
* @param DatabaseUpdater $updater
|
|
*/
|
|
public static function createAbuseFilterUser( $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, $nt, array &$tools, SpecialPage $sp ) {
|
|
$username = $nt->getText();
|
|
if ( $sp->getUser()->isAllowed( '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 ]
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filter an upload.
|
|
*
|
|
* @param UploadBase $upload
|
|
* @param User $user
|
|
* @param array $props
|
|
* @param string $comment
|
|
* @param string $pageText
|
|
* @param array|ApiMessage &$error
|
|
* @return bool
|
|
*/
|
|
public static function onUploadVerifyUpload( UploadBase $upload, User $user,
|
|
array $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 );
|
|
}
|
|
|
|
/**
|
|
* Implementation for UploadStashFile and UploadVerifyUpload hooks.
|
|
*
|
|
* @param string $action 'upload' or 'stashupload'
|
|
* @param UploadBase $upload
|
|
* @param User $user User performing the action
|
|
* @param array $props File properties, as returned by FSFile::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,
|
|
array $props, $summary, $text, &$error
|
|
) {
|
|
$title = $upload->getTitle();
|
|
|
|
$vars = new AbuseFilterVariableHolder;
|
|
$vars->addHolders(
|
|
AbuseFilter::generateUserVars( $user ),
|
|
AbuseFilter::generateTitleVars( $title, 'ARTICLE' )
|
|
);
|
|
$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 );
|
|
|
|
$vars->setVar( 'file_sha1', $sha1 );
|
|
$vars->setVar( 'file_size', $upload->getFileSize() );
|
|
|
|
$vars->setVar( 'file_mime', $props['mime'] );
|
|
$vars->setVar(
|
|
'file_mediatype',
|
|
MediaWiki\MediaWikiServices::getInstance()->getMimeAnalyzer()
|
|
->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 true;
|
|
}
|
|
|
|
$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( 'minor_edit', false );
|
|
$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 ) );
|
|
}
|
|
|
|
$filter_result = AbuseFilter::filterAction( $vars, $title );
|
|
|
|
if ( !$filter_result->isOK() ) {
|
|
$messageAndParams = $filter_result->getErrorsArray()[0];
|
|
$apiResult = self::getApiResult( $filter_result );
|
|
$error = ApiMessage::create(
|
|
$messageAndParams,
|
|
$apiResult['code'],
|
|
$apiResult
|
|
);
|
|
}
|
|
|
|
return $filter_result->isOK();
|
|
}
|
|
|
|
/**
|
|
* Adds global variables to the Javascript as needed
|
|
*
|
|
* @param array &$vars
|
|
* @return bool
|
|
*/
|
|
public static function onMakeGlobalVariablesScript( array &$vars ) {
|
|
if ( isset( AbuseFilter::$editboxName ) && AbuseFilter::$editboxName !== null ) {
|
|
$vars['abuseFilterBoxName'] = AbuseFilter::$editboxName;
|
|
}
|
|
|
|
if ( AbuseFilterViewExamine::$examineType !== null ) {
|
|
$vars['abuseFilterExamine'] = [
|
|
'type' => AbuseFilterViewExamine::$examineType,
|
|
'id' => AbuseFilterViewExamine::$examineId,
|
|
];
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Tables that Extension:UserMerge needs to update
|
|
*
|
|
* @param array &$updateFields
|
|
* @return bool
|
|
*/
|
|
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' ];
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* 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 = null
|
|
) {
|
|
$revision = $page->getRevision();
|
|
if ( !$revision ) {
|
|
return;
|
|
}
|
|
|
|
$text = AbuseFilter::contentToString( $content );
|
|
$oldcontent = $revision->getContent( Revision::RAW );
|
|
$user = $user ?: RequestContext::getMain()->getUser();
|
|
|
|
// 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 ) {
|
|
$vars = self::newVariableHolderForEdit(
|
|
$user, $page->getTitle(), $page, $summary, $content, $text, $oldcontent
|
|
);
|
|
AbuseFilter::filterAction( $vars, $page->getTitle(), 'default', $user, 'stash' );
|
|
},
|
|
DeferredUpdates::PRESEND
|
|
);
|
|
}
|
|
}
|