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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\AbuseFilter\BlockedDomains; |
| 4 | |
| 5 | use MediaWiki\Utils\UrlUtils; |
| 6 | |
| 7 | class BlockedDomainValidator { |
| 8 | |
| 9 | public const SERVICE_NAME = 'AbuseFilterBlockedDomainValidator'; |
| 10 | |
| 11 | public function __construct( private readonly UrlUtils $urlUtils ) { |
| 12 | } |
| 13 | |
| 14 | /** |
| 15 | * Validate an input domain |
| 16 | * |
| 17 | * @param string|null $domain Domain such as foo.wikipedia.org |
| 18 | * @return string|false Parsed domain, or false otherwise |
| 19 | */ |
| 20 | public function validateDomain( ?string $domain ) { |
| 21 | if ( !$domain ) { |
| 22 | return false; |
| 23 | } |
| 24 | |
| 25 | $domain = trim( $domain ); |
| 26 | if ( !str_contains( $domain, '//' ) ) { |
| 27 | $domain = 'https://' . $domain; |
| 28 | } |
| 29 | |
| 30 | $parsedUrl = $this->urlUtils->parse( $domain ); |
| 31 | // Parse url returns a valid URL for "foo" |
| 32 | if ( !$parsedUrl || !str_contains( $parsedUrl['host'], '.' ) ) { |
| 33 | return false; |
| 34 | } |
| 35 | return $parsedUrl['host']; |
| 36 | } |
| 37 | } |