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

919 lines
31 KiB
PHP

<?php
use MediaWiki\Extension\AbuseFilter\VariableGenerator\RunVariableGenerator;
use MediaWiki\Linker\LinkRenderer;
use MediaWiki\Logger\LoggerFactory;
use MediaWiki\MediaWikiServices;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\SlotRecord;
use MediaWiki\User\UserIdentity;
use Wikimedia\IPUtils;
use Wikimedia\Rdbms\Database;
use Wikimedia\Rdbms\IMaintainableDatabase;
class AbuseFilterHooks {
private const FETCH_ALL_TAGS_KEY = 'abusefilter-fetch-all-tags';
/** @var WikiPage|null Make sure edit filter & edit save hooks match */
private static $lastEditPage = null;
/**
* Called right after configuration has been loaded.
*/
public static function onRegistration() {
global $wgAuthManagerAutoConfig, $wgActionFilteredLogs, $wgAbuseFilterProfile,
$wgAbuseFilterProfiling, $wgAbuseFilterPrivateLog, $wgAbuseFilterForceSummary,
$wgGroupPermissions;
// @todo Remove this in a future release (added in 1.33)
if ( isset( $wgAbuseFilterProfile ) || isset( $wgAbuseFilterProfiling ) ) {
wfWarn( '$wgAbuseFilterProfile and $wgAbuseFilterProfiling have been removed and ' .
'profiling is now enabled by default.' );
}
if ( isset( $wgAbuseFilterPrivateLog ) ) {
global $wgAbuseFilterLogPrivateDetailsAccess;
$wgAbuseFilterLogPrivateDetailsAccess = $wgAbuseFilterPrivateLog;
wfWarn( '$wgAbuseFilterPrivateLog has been renamed to $wgAbuseFilterLogPrivateDetailsAccess. ' .
'Please make the change in your settings; the format is identical.'
);
}
if ( isset( $wgAbuseFilterForceSummary ) ) {
global $wgAbuseFilterPrivateDetailsForceReason;
$wgAbuseFilterPrivateDetailsForceReason = $wgAbuseFilterForceSummary;
wfWarn( '$wgAbuseFilterForceSummary has been renamed to ' .
'$wgAbuseFilterPrivateDetailsForceReason. Please make the change in your settings; ' .
'the format is identical.'
);
}
$found = false;
foreach ( $wgGroupPermissions as &$perms ) {
if ( array_key_exists( 'abusefilter-private', $perms ) ) {
$perms['abusefilter-privatedetails'] = $perms[ 'abusefilter-private' ];
unset( $perms[ 'abusefilter-private' ] );
$found = true;
}
if ( array_key_exists( 'abusefilter-private-log', $perms ) ) {
$perms['abusefilter-privatedetails-log'] = $perms[ 'abusefilter-private-log' ];
unset( $perms[ 'abusefilter-private-log' ] );
$found = true;
}
}
unset( $perms );
if ( $found ) {
wfWarn( 'The group permissions "abusefilter-private-log" and "abusefilter-private" have ' .
'been renamed, respectively, to "abusefilter-privatedetails-log" and ' .
'"abusefilter-privatedetails". Please update the names in your settings.'
);
}
$wgAuthManagerAutoConfig['preauth'][AbuseFilterPreAuthenticationProvider::class] = [
'class' => AbuseFilterPreAuthenticationProvider::class,
// Run after normal preauth providers to keep the log cleaner
'sort' => 5,
];
$wgActionFilteredLogs['suppress'] = array_merge(
$wgActionFilteredLogs['suppress'],
// Message: log-action-filter-suppress-abuselog
[ 'abuselog' => [ 'hide-afl', 'unhide-afl' ] ]
);
$wgActionFilteredLogs['rights'] = array_merge(
$wgActionFilteredLogs['rights'],
// Messages: log-action-filter-rights-blockautopromote,
// log-action-filter-rights-restoreautopromote
[
'blockautopromote' => [ 'blockautopromote' ],
'restoreautopromote' => [ 'restoreautopromote' ]
]
);
}
/**
* 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.
* @param string $slot slot role for the content
*/
public static function onEditFilterMergedContent( IContextSource $context, Content $content,
Status $status, $summary, User $user, $minoredit, $slot = SlotRecord::MAIN
) {
$startTime = microtime( true );
$filterResult = self::filterEdit( $context, $user, $content, $summary, $slot );
if ( !$filterResult->isOK() ) {
// Produce a useful error message for API edits
$filterResultApi = self::getApiStatus( $filterResult );
$status->merge( $filterResultApi );
}
MediaWikiServices::getInstance()->getStatsdDataFactory()
->timing( 'timing.editAbuseFilter', microtime( true ) - $startTime );
}
/**
* Implementation for EditFilterMergedContent hook.
*
* @param IContextSource $context the context of the edit
* @param User $user
* @param Content $content the new Content generated by the edit
* @param string $summary Edit summary for page
* @param string $slot slot role for the content
* @return Status
*/
public static function filterEdit(
IContextSource $context,
User $user,
Content $content,
$summary, $slot = SlotRecord::MAIN
) : Status {
self::$lastEditPage = null;
// @todo is there any real point in passing this in?
$text = AbuseFilter::contentToString( $content );
$title = $context->getTitle();
if ( $title === null ) {
// T144265: This *should* never happen.
$logger = LoggerFactory::getInstance( 'AbuseFilter' );
$logger->warning( __METHOD__ . ' received a null title.' );
return Status::newGood();
}
if ( $title->canExist() && $title->exists() ) {
// Make sure we load the latest text saved in database (bug 31656)
$page = $context->getWikiPage();
} else {
$page = null;
}
$vars = new AbuseFilterVariableHolder();
$builder = new RunVariableGenerator( $vars, $user, $title );
$vars = $builder->getEditVars( $content, $text, $summary, $slot, $page );
if ( $vars === null ) {
// We don't have to filter the edit
return Status::newGood();
}
$runner = new AbuseFilterRunner( $user, $title, $vars, 'default' );
$filterResult = $runner->run();
if ( !$filterResult->isOK() ) {
return $filterResult;
}
self::$lastEditPage = $page;
return Status::newGood();
}
/**
* @param Status $status Error message details
* @return Status Status containing the same error messages with extra data for the API
*/
private static function getApiStatus( Status $status ) {
$allActionsTaken = $status->getValue();
$statusForApi = Status::newGood();
foreach ( $status->getErrors() as $error ) {
list( $filterDescription, $filter ) = $error['params'];
$actionsTaken = $allActionsTaken[ $filter ];
$code = ( $actionsTaken === [ 'warn' ] ) ? 'abusefilter-warning' : 'abusefilter-disallowed';
$data = [
'abusefilter' => [
'id' => $filter,
'description' => $filterDescription,
'actions' => $actionsTaken,
],
];
$message = ApiMessage::create( $error, $code, $data );
$statusForApi->fatal( $message );
}
return $statusForApi;
}
/**
* @param WikiPage $wikiPage
* @param UserIdentity $userIdentity
* @param string $summary
* @param int $flags
* @param RevisionRecord $revisionRecord
*/
public static function onPageSaveComplete(
WikiPage $wikiPage,
UserIdentity $userIdentity,
string $summary,
int $flags,
RevisionRecord $revisionRecord
) {
$curTitle = $wikiPage->getTitle()->getPrefixedText();
if ( !isset( AbuseFilter::$logIds[ $curTitle ] ) ||
$wikiPage !== self::$lastEditPage
) {
// This isn't the edit AbuseFilter::$logIds was set for
AbuseFilter::$logIds = [];
return;
}
// Ignore null edit.
$parentRevId = $revisionRecord->getParentId();
if ( $parentRevId !== null ) {
$parentRev = MediaWikiServices::getInstance()
->getRevisionLookup()
->getRevisionById( $parentRevId );
if ( $parentRev && $revisionRecord->hasSameContent( $parentRev ) ) {
AbuseFilter::$logIds = [];
return;
}
}
self::$lastEditPage = null;
$logs = AbuseFilter::$logIds[ $curTitle ];
if ( $logs[ 'local' ] ) {
// Now actually do our storage
$dbw = wfGetDB( DB_MASTER );
$dbw->update( 'abuse_filter_log',
[ 'afl_rev_id' => $revisionRecord->getId() ],
[ 'afl_id' => $logs['local'] ],
__METHOD__
);
}
if ( $logs[ 'global' ] ) {
$fdb = AbuseFilter::getCentralDB( DB_MASTER );
$fdb->update( 'abuse_filter_log',
[ 'afl_rev_id' => $revisionRecord->getId() ],
[ 'afl_id' => $logs['global'], 'afl_wiki' => WikiMap::getCurrentWikiDbDomain()->getId() ],
__METHOD__
);
}
}
/**
* @param User $user
* @param array &$promote
*/
public static function onGetAutoPromoteGroups( User $user, &$promote ) {
if ( $promote ) {
$cache = ObjectCache::getInstance( 'hash' );
$key = AbuseFilter::autoPromoteBlockKey( $cache, $user );
$blocked = (bool)$cache->getWithSetCallback(
$key,
$cache::TTL_PROC_LONG,
function () use ( $user ) {
return AbuseFilter::getAutoPromoteBlockStatus( $user );
}
);
if ( $blocked ) {
$promote = [];
}
}
}
/**
* @param Title $oldTitle
* @param Title $newTitle
* @param User $user
* @param string $reason
* @param Status &$status
*/
public static function onTitleMove(
Title $oldTitle,
Title $newTitle,
User $user,
$reason,
Status &$status
) {
$vars = new AbuseFilterVariableHolder();
$builder = new RunVariableGenerator( $vars, $user, $oldTitle );
$vars = $builder->getMoveVars( $newTitle, $reason );
$runner = new AbuseFilterRunner( $user, $oldTitle, $vars, 'default' );
$result = $runner->run();
$status->merge( $result );
}
/**
* @param WikiPage $article
* @param User $user
* @param string $reason
* @param string &$error
* @param Status $status
* @return bool
*/
public static function onArticleDelete( WikiPage $article, User $user, $reason, &$error,
Status $status ) {
$vars = new AbuseFilterVariableHolder();
$builder = new RunVariableGenerator( $vars, $user, $article->getTitle() );
$vars = $builder->getDeleteVars( $reason );
$runner = new AbuseFilterRunner( $user, $article->getTitle(), $vars, 'default' );
$filterResult = $runner->run();
$status->merge( $filterResult );
$error = $filterResult->isOK() ? '' : $filterResult->getHTML();
return $filterResult->isOK();
}
/**
* @param RecentChange $recentChange
*/
public static function onRecentChangeSave( RecentChange $recentChange ) {
$title = Title::makeTitle(
$recentChange->getAttribute( 'rc_namespace' ),
$recentChange->getAttribute( 'rc_title' )
);
$logType = $recentChange->getAttribute( 'rc_log_type' ) ?: 'edit';
if ( $logType === 'newusers' ) {
$action = $recentChange->getAttribute( 'rc_log_action' ) === 'autocreate' ?
'autocreateaccount' :
'createaccount';
} else {
$action = $logType;
}
$actionID = AbuseFilter::getTaggingActionId(
$action,
$title,
$recentChange->getAttribute( 'rc_user_text' )
);
if ( isset( AbuseFilter::$tagsToSet[$actionID] ) ) {
$recentChange->addTags( AbuseFilter::$tagsToSet[$actionID] );
unset( AbuseFilter::$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();
$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 ] );
} else {
$updater->addExtensionUpdate( [ 'addTable', 'abuse_filter',
"$dir/abusefilter.tables.sqlite.sql", true ] );
}
$updater->addExtensionTable( 'abuse_filter_history',
"$dir/db_patches/patch-abuse_filter_history.sql" );
$updater->addExtensionUpdate( [
'addField', 'abuse_filter_history', 'afh_changed_fields',
"$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 ] );
$updater->addExtensionIndex(
'abuse_filter_log', 'afl_wiki_timestamp',
"$dir/db_patches/patch-global_logging_wiki-index.sql"
);
if ( $updater->getDB()->getType() === 'mysql' ) {
$updater->addExtensionUpdate( [
'modifyField', 'abuse_filter_log', 'afl_namespace',
"$dir/db_patches/patch-afl-namespace_int.sql", true
] );
} else {
$updater->addExtensionUpdate( [
'modifyField', 'abuse_filter_log', 'afl_namespace',
"$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
] );
}
if ( $updater->getDB()->getType() == 'mysql' ) {
$updater->addExtensionUpdate( [ 'modifyField', 'abuse_filter_log', 'afl_patrolled_by',
"$dir/db_patches/patch-afl_change_deleted_patrolled.sql", true ] );
} else {
$updater->addExtensionUpdate( [ 'modifyField', 'abuse_filter_log', 'afl_patrolled_by',
"$dir/db_patches/patch-afl_change_deleted_patrolled.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( [ 'setDefault', 'abuse_filter_log', 'afl_deleted', 0 ] );
$updater->addExtensionUpdate( [
'changeNullableField', 'abuse_filter_log', 'afl_deleted', 'NOT NULL', true ] );
$updater->addExtensionUpdate( [ 'setDefault', 'abuse_filter_log', 'afl_patrolled_by', 0 ] );
$updater->addExtensionUpdate( [
'changeNullableField', 'abuse_filter_log', 'afl_patrolled_by', 'NOT NULL', true ] );
}
$updater->addExtensionUpdate( [ [ __CLASS__, 'createAbuseFilterUser' ] ] );
$updater->addPostDatabaseUpdateMaintenance( 'NormalizeThrottleParameters' );
$updater->addPostDatabaseUpdateMaintenance( 'FixOldLogEntries' );
$updater->addPostDatabaseUpdateMaintenance( 'UpdateVarDumps' );
}
/**
* 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' )
&& !IPUtils::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
) {
$pm = MediaWikiServices::getInstance()->getPermissionManager();
$show = $pm->userHasRight( $context->getUser(), 'abusefilter-log' );
$action = $context->getRequest()->getVal( 'action', 'view' );
// For 'history action', the link would be added by HistoryPageToolLinks hook.
if ( $show && $action !== 'history' ) {
$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 );
}
/**
* 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 = new AbuseFilterVariableHolder();
$builder = new RunVariableGenerator( $vars, $user, $title );
$vars = $builder->getUploadVars( $action, $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();
}
/**
* For integration with the Renameuser extension.
*
* @param RenameuserSQL $renameUserSQL
*/
public static function onRenameUserSQL( RenameuserSQL $renameUserSQL ) {
$renameUserSQL->tablesJob['abuse_filter'] = [
RenameuserSQL::NAME_COL => 'af_user_text',
RenameuserSQL::UID_COL => 'af_user',
RenameuserSQL::TIME_COL => 'af_timestamp',
'uniqueKey' => 'af_id'
];
$renameUserSQL->tablesJob['abuse_filter_history'] = [
RenameuserSQL::NAME_COL => 'afh_user_text',
RenameuserSQL::UID_COL => 'afh_user',
RenameuserSQL::TIME_COL => 'afh_timestamp',
'uniqueKey' => 'afh_id'
];
}
/**
* Tables that Extension:UserMerge needs to update
*
* @param array &$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, string $summary, User $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;
// 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,
$slot
) {
$startTime = microtime( true );
$vars = new AbuseFilterVariableHolder();
$generator = new RunVariableGenerator( $vars, $user, $page->getTitle() );
$vars = $generator->getStashEditVars( $content, $summary, $slot, $page );
if ( !$vars ) {
return;
}
$runner = new AbuseFilterRunner( $user, $page->getTitle(), $vars, 'default' );
$runner->runForStash();
$totalTime = 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], __METHOD__ ) ) {
// 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 );
}
}
}