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| 1 | <?php |
| 2 | |
| 3 | namespace Flow\SpamFilter; |
| 4 | |
| 5 | use ExtensionRegistry; |
| 6 | use Flow\Model\AbstractRevision; |
| 7 | use IContextSource; |
| 8 | use MediaWiki\Extension\SpamBlacklist\BaseBlacklist; |
| 9 | use MediaWiki\MediaWikiServices; |
| 10 | use MediaWiki\Status\Status; |
| 11 | use MediaWiki\Title\Title; |
| 12 | use ParserOptions; |
| 13 | |
| 14 | class SpamBlacklist implements SpamFilter { |
| 15 | /** |
| 16 | * @param IContextSource $context |
| 17 | * @param AbstractRevision $newRevision |
| 18 | * @param AbstractRevision|null $oldRevision |
| 19 | * @param Title $title |
| 20 | * @param Title $ownerTitle |
| 21 | * @return Status |
| 22 | */ |
| 23 | public function validate( |
| 24 | IContextSource $context, |
| 25 | AbstractRevision $newRevision, |
| 26 | ?AbstractRevision $oldRevision, |
| 27 | Title $title, |
| 28 | Title $ownerTitle |
| 29 | ) { |
| 30 | $spamObj = BaseBlacklist::getSpamBlacklist(); |
| 31 | |
| 32 | // TODO: This seems to check topic titles. Should it? There can't |
| 33 | // actually be a link in a topic title, but http://spam.com can still look |
| 34 | // spammy even if it's not a working link. |
| 35 | $links = $this->getLinks( $newRevision, $title ); |
| 36 | $matches = $spamObj->filter( $links, $title, $context->getUser() ); |
| 37 | |
| 38 | if ( $matches !== false ) { |
| 39 | $status = Status::newFatal( 'spamprotectiontext' ); |
| 40 | |
| 41 | foreach ( $matches as $match ) { |
| 42 | $status->fatal( 'spamprotectionmatch', $match ); |
| 43 | } |
| 44 | |
| 45 | return $status; |
| 46 | } |
| 47 | |
| 48 | return Status::newGood(); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * @param AbstractRevision $revision |
| 53 | * @param Title $title |
| 54 | * @return array |
| 55 | */ |
| 56 | public function getLinks( AbstractRevision $revision, Title $title ) { |
| 57 | $options = ParserOptions::newFromAnon(); |
| 58 | $output = MediaWikiServices::getInstance()->getParser() |
| 59 | ->parse( $revision->getContentInWikitext(), $title, $options ); |
| 60 | return array_keys( $output->getExternalLinks() ); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Checks if SpamBlacklist is enabled. |
| 65 | * |
| 66 | * @return bool |
| 67 | */ |
| 68 | public function enabled() { |
| 69 | return ExtensionRegistry::getInstance()->isLoaded( 'SpamBlacklist' ); |
| 70 | } |
| 71 | } |