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<?php
namespace MediaWiki\Extension\AbuseFilter\View;
use Flow\Data\Listener\RecentChangesListener;
use MediaWiki\Context\ContextSource;
use MediaWiki\Context\IContextSource;
use MediaWiki\Extension\AbuseFilter\AbuseFilterPermissionManager;
use MediaWiki\Html\Html;
use MediaWiki\Linker\LinkRenderer;
use MediaWiki\Permissions\Authority;
use MediaWiki\RecentChanges\RecentChange;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\SpecialPage\SpecialPage;
use MediaWiki\Title\Title;
use OOUI;
use UnexpectedValueException;
use Wikimedia\Assert\Assert;
use Wikimedia\Rdbms\IExpression;
use Wikimedia\Rdbms\IReadableDatabase;
use Wikimedia\Rdbms\Platform\ISQLPlatform;
abstract class AbuseFilterView extends ContextSource {
private const MAP_ACTION_TO_LOG_TYPE = [
// action => [ rc_log_type, rc_log_action ]
'move' => [ 'move', [ 'move', 'move_redir' ] ],
'createaccount' => [ 'newusers', [ 'create', 'create2', 'byemail', 'autocreate' ] ],
'delete' => [ 'delete', 'delete' ],
'upload' => [ 'upload', [ 'upload', 'overwrite', 'revert' ] ],
];
protected AbuseFilterPermissionManager $afPermManager;
/**
* @var array The parameters of the current request
*/
protected array $mParams;
protected LinkRenderer $linkRenderer;
protected string $basePageName;
/**
* @param AbuseFilterPermissionManager $afPermManager
* @param IContextSource $context
* @param LinkRenderer $linkRenderer
* @param string $basePageName
* @param array $params
*/
public function __construct(
AbuseFilterPermissionManager $afPermManager,
IContextSource $context,
LinkRenderer $linkRenderer,
string $basePageName,
array $params
) {
$this->mParams = $params;
$this->setContext( $context );
$this->linkRenderer = $linkRenderer;
$this->basePageName = $basePageName;
$this->afPermManager = $afPermManager;
}
/**
* @param string|int $subpage
* @return Title
*/
public function getTitle( $subpage = '' ) {
return SpecialPage::getTitleFor( $this->basePageName, $subpage );
}
/**
* Function to show the page
*/
abstract public function show();
/**
* Build input and button for loading a filter
*
* @return string
*/
public function buildFilterLoader() {
$loadText =
new OOUI\TextInputWidget(
[
'type' => 'number',
'name' => 'wpInsertFilter',
'id' => 'mw-abusefilter-load-filter'
]
);
$loadButton =
new OOUI\ButtonWidget(
[
'label' => $this->msg( 'abusefilter-test-load' )->text(),
'id' => 'mw-abusefilter-load'
]
);
$loadGroup =
new OOUI\ActionFieldLayout(
$loadText,
$loadButton,
[
'label' => $this->msg( 'abusefilter-test-load-filter' )->text()
]
);
// CSS class for reducing default input field width
return Html::rawElement(
'div',
[ 'class' => 'mw-abusefilter-load-filter-id' ],
$loadGroup
);
}
/**
* @param IReadableDatabase $db
* @param string|false $action 'edit', 'move', 'createaccount', 'delete' or false for all
* @return IExpression
*/
public function buildTestConditions( IReadableDatabase $db, $action = false ) {
Assert::parameterType( [ 'string', 'false' ], $action, '$action' );
$editSources = [
RecentChange::SRC_EDIT,
RecentChange::SRC_NEW,
];
if ( in_array( 'flow', $this->getConfig()->get( 'AbuseFilterValidGroups' ), true ) ) {
// TODO Should this be separated somehow? Also, this case should be handled via a hook, not
// by special-casing Flow here.
// @phan-suppress-next-line PhanUndeclaredClassConstant Temporary solution
$editSources[] = RecentChangesListener::SRC_FLOW;
}
if ( $action === 'edit' ) {
return $db->expr( 'rc_source', '=', $editSources );
}
if ( $action !== false ) {
if ( !isset( self::MAP_ACTION_TO_LOG_TYPE[$action] ) ) {
throw new UnexpectedValueException( __METHOD__ . ' called with invalid action: ' . $action );
}
[ $logType, $logAction ] = self::MAP_ACTION_TO_LOG_TYPE[$action];
return $db->expr( 'rc_source', '=', RecentChange::SRC_LOG )
->and( 'rc_log_type', '=', $logType )
->and( 'rc_log_action', '=', $logAction );
}
// filter edit and log actions
$conds = [];
foreach ( self::MAP_ACTION_TO_LOG_TYPE as [ $logType, $logAction ] ) {
$conds[] = $db->expr( 'rc_log_type', '=', $logType )
->and( 'rc_log_action', '=', $logAction );
}
return $db->expr( 'rc_source', '=', $editSources )
->orExpr(
$db->expr( 'rc_source', '=', RecentChange::SRC_LOG )
->andExpr( $db->orExpr( $conds ) )
);
}
/**
* @todo Core should provide a method for this (T233222)
* @param ISQLPlatform $db
* @param Authority $authority
* @return array
*/
public function buildVisibilityConditions( ISQLPlatform $db, Authority $authority ): array {
if ( !$authority->isAllowed( 'deletedhistory' ) ) {
$bitmask = RevisionRecord::DELETED_USER;
} elseif ( !$authority->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
$bitmask = RevisionRecord::DELETED_USER | RevisionRecord::DELETED_RESTRICTED;
} else {
$bitmask = 0;
}
return $bitmask
? [ $db->bitAnd( 'rc_deleted', $bitmask ) . " != $bitmask" ]
: [];
}
/**
* @param string|int $id
* @param string|null $text
* @return string HTML
*/
public function getLinkToLatestDiff( $id, $text = null ) {
return $this->linkRenderer->makeKnownLink(
$this->getTitle( "history/$id/diff/prev/cur" ),
$text
);
}
}