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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\AbuseFilter; |
| 4 | |
| 5 | use MediaWiki\Extension\AbuseFilter\Consequences\ConsequencesRegistry; |
| 6 | use MediaWiki\Extension\AbuseFilter\Filter\ExistingFilter; |
| 7 | use MediaWiki\Extension\AbuseFilter\Special\SpecialAbuseFilter; |
| 8 | use MediaWiki\Extension\Notifications\Model\Event; |
| 9 | use Title; |
| 10 | |
| 11 | /** |
| 12 | * Helper service for EmergencyWatcher to notify filter maintainers of throttled filters |
| 13 | * @todo DI not possible due to Echo |
| 14 | */ |
| 15 | class EchoNotifier { |
| 16 | public const SERVICE_NAME = 'AbuseFilterEchoNotifier'; |
| 17 | public const EVENT_TYPE = 'throttled-filter'; |
| 18 | |
| 19 | /** @var FilterLookup */ |
| 20 | private $filterLookup; |
| 21 | /** @var ConsequencesRegistry */ |
| 22 | private $consequencesRegistry; |
| 23 | /** @var bool */ |
| 24 | private $isEchoLoaded; |
| 25 | |
| 26 | /** |
| 27 | * @param FilterLookup $filterLookup |
| 28 | * @param ConsequencesRegistry $consequencesRegistry |
| 29 | * @param bool $isEchoLoaded |
| 30 | */ |
| 31 | public function __construct( |
| 32 | FilterLookup $filterLookup, |
| 33 | ConsequencesRegistry $consequencesRegistry, |
| 34 | bool $isEchoLoaded |
| 35 | ) { |
| 36 | $this->filterLookup = $filterLookup; |
| 37 | $this->consequencesRegistry = $consequencesRegistry; |
| 38 | $this->isEchoLoaded = $isEchoLoaded; |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * @param int $filter |
| 43 | * @return Title |
| 44 | */ |
| 45 | private function getTitleForFilter( int $filter ): Title { |
| 46 | return SpecialAbuseFilter::getTitleForSubpage( (string)$filter ); |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * @param int $filter |
| 51 | * @return ExistingFilter |
| 52 | */ |
| 53 | private function getFilterObject( int $filter ): ExistingFilter { |
| 54 | return $this->filterLookup->getFilter( $filter, false ); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @internal |
| 59 | * @param int $filter |
| 60 | * @return array |
| 61 | */ |
| 62 | public function getDataForEvent( int $filter ): array { |
| 63 | $filterObj = $this->getFilterObject( $filter ); |
| 64 | $throttledActionNames = array_intersect( |
| 65 | $filterObj->getActionsNames(), |
| 66 | $this->consequencesRegistry->getDangerousActionNames() |
| 67 | ); |
| 68 | return [ |
| 69 | 'type' => self::EVENT_TYPE, |
| 70 | 'title' => $this->getTitleForFilter( $filter ), |
| 71 | 'extra' => [ |
| 72 | 'user' => $filterObj->getUserID(), |
| 73 | 'throttled-actions' => $throttledActionNames, |
| 74 | ], |
| 75 | ]; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Send notification about a filter being throttled |
| 80 | * |
| 81 | * @param int $filter |
| 82 | * @return Event|false |
| 83 | */ |
| 84 | public function notifyForFilter( int $filter ) { |
| 85 | if ( $this->isEchoLoaded ) { |
| 86 | return Event::create( $this->getDataForEvent( $filter ) ); |
| 87 | } |
| 88 | return false; |
| 89 | } |
| 90 | |
| 91 | } |