mediawiki-extensions-AbuseF.../includes/AbuseFilterHooks.php

827 lines
26 KiB
PHP

<?php
use MediaWiki\MediaWikiServices;
use Wikimedia\Rdbms\Database;
class AbuseFilterHooks {
const FETCH_ALL_TAGS_KEY = 'abusefilter-fetch-all-tags';
/** @var AbuseFilterVariableHolder|bool */
public static $successful_action_vars = false;
/** @var WikiPage|Article|bool Make sure edit filter & edit save hooks match */
public static $last_edit_page = false;
// So far, all of the error message out-params for these hooks accept HTML.
// Hooray!
/**
* Called right after configuration has been loaded.
*/
public static function onRegistration() {
global $wgAbuseFilterAvailableActions, $wgAbuseFilterRestrictedActions,
$wgAuthManagerAutoConfig;
if ( isset( $wgAbuseFilterAvailableActions ) || isset( $wgAbuseFilterRestrictedActions ) ) {
wfWarn( '$wgAbuseFilterAvailableActions and $wgAbuseFilterRestrictedActions have been '
. 'removed. Please use $wgAbuseFilterActions and $wgAbuseFilterRestrictions '
. 'instead. The format is the same except the action names are the keys of the '
. 'array and the values are booleans.' );
}
$wgAuthManagerAutoConfig['preauth'][AbuseFilterPreAuthenticationProvider::class] = [
'class' => AbuseFilterPreAuthenticationProvider::class,
// Run after normal preauth providers to keep the log cleaner
'sort' => 5,
];
}
/**
* Entry point for the EditFilterMergedContent hook.
*
* @param IContextSource $context the context of the edit
* @param Content $content the new Content generated by the edit
* @param Status $status Error message to return
* @param string $summary Edit summary for page
* @param User $user the user performing the edit
* @param bool $minoredit whether this is a minor edit according to the user.
*/
public static function onEditFilterMergedContent( IContextSource $context, Content $content,
Status $status, $summary, User $user, $minoredit
) {
$text = AbuseFilter::contentToString( $content );
$filterStatus = self::filterEdit( $context, $content, $text, $status, $summary, $minoredit );
if ( !$filterStatus->isOK() ) {
// Produce a useful error message for API edits
$status->apiHookResult = self::getApiResult( $filterStatus );
}
}
/**
* Implementation for EditFilterMergedContent hook.
*
* @param IContextSource $context the context of the edit
* @param Content $content the new Content generated by the edit
* @param string $text new page content (subject of filtering)
* @param Status $status Error message to return
* @param string $summary Edit summary for page
* @param bool $minoredit whether this is a minor edit according to the user.
* @return Status
*/
public static function filterEdit( IContextSource $context, $content, $text,
Status $status, $summary, $minoredit
) {
$title = $context->getTitle();
self::$successful_action_vars = false;
self::$last_edit_page = false;
$user = $context->getUser();
$oldcontent = null;
if ( ( $title instanceof Title ) && $title->canExist() && $title->exists() ) {
// Make sure we load the latest text saved in database (bug 31656)
$page = $context->getWikiPage();
$revision = $page->getRevision();
if ( !$revision ) {
return Status::newGood();
}
$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;
// Don't trigger for null edits.
if ( $content && $oldcontent ) {
// Compare Content objects if available
if ( $content->equals( $oldcontent ) ) {
return Status::newGood();
}
} elseif ( strcmp( $oldtext, $text ) == 0 ) {
// Otherwise, compare strings
return Status::newGood();
}
} else {
$page = null;
}
// Load vars for filters to check
$vars = self::newVariableHolderForEdit(
$user, $title, $page, $summary, $content, $text, $oldcontent
);
$filter_result = AbuseFilter::filterAction( $vars, $title );
if ( !$filter_result->isOK() ) {
$status->merge( $filter_result );
return $filter_result;
}
self::$successful_action_vars = $vars;
self::$last_edit_page = $page;
return Status::newGood();
}
/**
* @param User $user
* @param Title $title
* @param WikiPage|null $page
* @param string $summary
* @param Content $newcontent
* @param string $text
* @param Content|null $oldcontent
* @return AbuseFilterVariableHolder
* @throws MWException
*/
private static function newVariableHolderForEdit(
User $user, Title $title, $page, $summary, Content $newcontent,
$text, $oldcontent = null
) {
$vars = new AbuseFilterVariableHolder();
$vars->addHolders(
AbuseFilter::generateUserVars( $user ),
AbuseFilter::generateTitleVars( $title, 'ARTICLE' )
);
$vars->setVar( 'action', 'edit' );
$vars->setVar( 'summary', $summary );
if ( $oldcontent instanceof Content ) {
$oldmodel = $oldcontent->getModel();
$oldtext = AbuseFilter::contentToString( $oldcontent );
} else {
$oldmodel = '';
$oldtext = '';
}
$vars->setVar( 'old_content_model', $oldmodel );
$vars->setVar( 'new_content_model', $newcontent->getModel() );
$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;
}
/**
* @param Status $status Error message details
* @return array API result
*/
private static function getApiResult( Status $status ) {
global $wgFullyInitialised;
$params = $status->getErrorsArray()[0];
$key = array_shift( $params );
$warning = wfMessage( $key )->params( $params );
if ( !$wgFullyInitialised ) {
// This could happen for account autocreation checks
$warning = $warning->inContentLanguage();
}
$filterDescription = $params[0];
$filter = $params[1];
// The value is a nested structure keyed by filter id, which doesn't make sense when we only
// return the result from one filter. Flatten it to a plain array of actions.
$actionsTaken = array_values( array_unique(
array_merge( ...array_values( $status->getValue() ) )
) );
$code = ( $actionsTaken === [ 'warn' ] ) ? 'abusefilter-warning' : 'abusefilter-disallowed';
ApiResult::setIndexedTagName( $params, 'param' );
return [
'code' => $code,
'message' => [
'key' => $key,
'params' => $params,
],
'abusefilter' => [
'id' => $filter,
'description' => $filterDescription,
'actions' => $actionsTaken,
],
// For backwards-compatibility
'info' => 'Hit AbuseFilter: ' . $filterDescription,
'warning' => $warning->parse(),
];
}
/**
* @param WikiPage $wikiPage
* @param User $user
* @param string $content Content
* @param string $summary
* @param bool $minoredit
* @param bool $watchthis
* @param string $sectionanchor
* @param int $flags
* @param Revision $revision
* @param Status $status
* @param int $baseRevId
*/
public static function onPageContentSaveComplete(
WikiPage $wikiPage, $user, $content, $summary, $minoredit, $watchthis, $sectionanchor,
$flags, $revision, $status, $baseRevId
) {
if ( !self::$successful_action_vars || !$revision ) {
self::$successful_action_vars = false;
return;
}
/** @var AbuseFilterVariableHolder|bool $vars */
$vars = self::$successful_action_vars;
if ( $vars->getVar( 'article_prefixedtext' )->toString() !==
$wikiPage->getTitle()->getPrefixedText()
) {
return;
}
if ( !self::identicalPageObjects( $wikiPage, self::$last_edit_page ) ) {
// This isn't the edit $successful_action_vars was set for
return;
}
self::$last_edit_page = false;
if ( $vars->getVar( 'local_log_ids' ) ) {
// Now actually do our storage
$log_ids = $vars->getVar( 'local_log_ids' )->toNative();
$dbw = wfGetDB( DB_MASTER );
if ( $log_ids !== null && count( $log_ids ) ) {
$dbw->update( 'abuse_filter_log',
[ 'afl_rev_id' => $revision->getId() ],
[ 'afl_id' => $log_ids ],
__METHOD__
);
}
}
if ( $vars->getVar( 'global_log_ids' ) ) {
$log_ids = $vars->getVar( 'global_log_ids' )->toNative();
if ( $log_ids !== null && count( $log_ids ) ) {
global $wgAbuseFilterCentralDB;
$fdb = wfGetDB( DB_MASTER, [], $wgAbuseFilterCentralDB );
$fdb->update( 'abuse_filter_log',
[ 'afl_rev_id' => $revision->getId() ],
[ 'afl_id' => $log_ids, 'afl_wiki' => wfWikiID() ],
__METHOD__
);
}
}
}
/**
* Check if two article objects are identical or have an identical WikiPage
* @param Article|WikiPage $page1
* @param Article|WikiPage $page2
* @return bool
*/
protected static function identicalPageObjects( $page1, $page2 ) {
$wpage1 = ( $page1 instanceof Article ) ? $page1->getPage() : $page1;
$wpage2 = ( $page2 instanceof Article ) ? $page2->getPage() : $page2;
return $wpage1 === $wpage2;
}
/**
* @param User $user
* @param array &$promote
*/
public static function onGetAutoPromoteGroups( $user, &$promote ) {
if ( $promote ) {
$key = AbuseFilter::autoPromoteBlockKey( $user );
$blocked = (bool)ObjectCache::getInstance( 'hash' )->getWithSetCallback(
$key,
30,
function () use ( $key ) {
return (int)ObjectCache::getMainStashInstance()->get( $key );
}
);
if ( $blocked ) {
$promote = [];
}
}
}
/**
* @param Title $oldTitle
* @param Title $newTitle
* @param User $user
* @param string $reason
* @param Status $status
* @return bool
*/
public static function onMovePageCheckPermissions( Title $oldTitle, Title $newTitle,
User $user, $reason, Status $status
) {
$vars = new AbuseFilterVariableHolder;
$vars->addHolders(
AbuseFilter::generateUserVars( $user ),
AbuseFilter::generateTitleVars( $oldTitle, 'MOVED_FROM' ),
AbuseFilter::generateTitleVars( $newTitle, 'MOVED_TO' )
);
$vars->setVar( 'SUMMARY', $reason );
$vars->setVar( 'ACTION', 'move' );
$result = AbuseFilter::filterAction( $vars, $oldTitle );
$status->merge( $result );
return $result->isOK();
}
/**
* @param WikiPage $article
* @param User $user
* @param string $reason
* @param string &$error
* @param Status $status
* @return bool
*/
public static function onArticleDelete( $article, $user, $reason, &$error, $status ) {
$vars = new AbuseFilterVariableHolder;
$vars->addHolders(
AbuseFilter::generateUserVars( $user ),
AbuseFilter::generateTitleVars( $article->getTitle(), 'ARTICLE' )
);
$vars->setVar( 'SUMMARY', $reason );
$vars->setVar( 'ACTION', 'delete' );
$filter_result = AbuseFilter::filterAction( $vars, $article->getTitle() );
$status->merge( $filter_result );
$error = $filter_result->isOK() ? '' : $filter_result->getHTML();
return $filter_result->isOK();
}
/**
* @param RecentChange $recentChange
*/
public static function onRecentChangeSave( $recentChange ) {
$title = Title::makeTitle(
$recentChange->getAttribute( 'rc_namespace' ),
$recentChange->getAttribute( 'rc_title' )
);
$action = $recentChange->mAttribs['rc_log_type'] ?
$recentChange->mAttribs['rc_log_type'] : 'edit';
$actionID = implode( '-', [
$title->getPrefixedText(), $recentChange->getAttribute( 'rc_user_text' ), $action
] );
if ( isset( AbuseFilter::$tagsToSet[$actionID] ) ) {
$recentChange->addTags( AbuseFilter::$tagsToSet[$actionID] );
}
}
/**
* Purge all cache related to tags, both within AbuseFilter and in core
*/
public static function purgeTagCache() {
ChangeTags::purgeTagCacheAll();
$services = MediaWikiServices::getInstance();
$cache = $services->getMainWANObjectCache();
$cache->delete(
$cache->makeKey( self::FETCH_ALL_TAGS_KEY, 0 )
);
$cache->delete(
$cache->makeKey( self::FETCH_ALL_TAGS_KEY, 1 )
);
}
/**
* @param array $tags
* @param bool $enabled
*/
private static function fetchAllTags( array &$tags, $enabled ) {
$services = MediaWikiServices::getInstance();
$cache = $services->getMainWANObjectCache();
$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 ) {
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,
__METHOD__,
[],
[ '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 = wfGetDB( DB_REPLICA, [], $wgAbuseFilterCentralDB );
$where['af_global'] = 1;
$res = $dbr->select(
[ 'abuse_filter_action', 'abuse_filter' ],
'afa_parameters',
$where,
__METHOD__,
[],
[ '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
] );
} 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' ] ] );
}
/**
* 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
*/
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::$examineId,
];
}
}
/**
* Tables that Extension:UserMerge needs to update
*
* @param array &$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|null $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
);
}
}