BlockedDomainValidator.php
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BlockedDomainValidator.php
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	<?php

	namespace MediaWiki\Extension\AbuseFilter\BlockedDomains;

	use MediaWiki\Utils\UrlUtils;

	class BlockedDomainValidator {

	public const SERVICE_NAME = 'AbuseFilterBlockedDomainValidator';

	private UrlUtils $urlUtils;

	public function __construct( UrlUtils $urlUtils ) {
	$this->urlUtils = $urlUtils;
	}

	/**
	* Validate an input domain
	*
	* @param string\|null $domain Domain such as foo.wikipedia.org
	* @return string\|false Parsed domain, or false otherwise
	*/
	public function validateDomain( ?string $domain ) {
	if ( !$domain ) {
	return false;
	}

	$domain = trim( $domain );
	if ( !str_contains( $domain, '//' ) ) {
	$domain = 'https://' . $domain;
	}

	$parsedUrl = $this->urlUtils->parse( $domain );
	// Parse url returns a valid URL for "foo"
	if ( !$parsedUrl \|\| !str_contains( $parsedUrl['host'], '.' ) ) {
	return false;
	}
	return $parsedUrl['host'];
	}
	}