mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/AbuseFilter.git
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5377ebe819
composer: * mediawiki/mediawiki-codesniffer: 36.0.0 → 37.0.0 npm: * postcss: 7.0.35 → 7.0.36 * https://npmjs.com/advisories/1693 (CVE-2021-23368) Change-Id: I2b382f3bb236fb44eb24c6a257b13b8fd886541c
53 lines
1.8 KiB
PHP
53 lines
1.8 KiB
PHP
<?php
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namespace MediaWiki\Extension\AbuseFilter;
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use InvalidArgumentException;
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/**
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* @internal
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*/
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class GlobalNameUtils {
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/** @var string The prefix to use for global filters */
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public const GLOBAL_FILTER_PREFIX = 'global-';
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/**
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* Given a filter ID and a boolean indicating whether it's global, build a string like
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* "<GLOBAL_FILTER_PREFIX>$ID". Note that, with global = false, $id is casted to string.
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* This reverses self::splitGlobalName.
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*
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* @param int $id The filter ID
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* @param bool $global Whether the filter is global
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* @return string
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* @todo Calling this method should be avoided wherever possible
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*/
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public static function buildGlobalName( int $id, bool $global = true ): string {
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$prefix = $global ? self::GLOBAL_FILTER_PREFIX : '';
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return "$prefix$id";
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}
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/**
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* Utility function to split "<GLOBAL_FILTER_PREFIX>$index" to an array [ $id, $global ], where
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* $id is $index casted to int, and $global is a boolean: true if the filter is global,
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* false otherwise (i.e. if the $filter === $index). Note that the $index
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* is always casted to int. Passing anything which isn't an integer-like value or a string
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* in the shape "<GLOBAL_FILTER_PREFIX>integer" will throw.
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* This reverses self::buildGlobalName
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*
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* @param string|int $filter
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* @return array
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* @phan-return array{0:int,1:bool}
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* @throws InvalidArgumentException
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*/
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public static function splitGlobalName( $filter ): array {
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if ( preg_match( '/^' . self::GLOBAL_FILTER_PREFIX . '\d+$/', $filter ) === 1 ) {
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$id = intval( substr( $filter, strlen( self::GLOBAL_FILTER_PREFIX ) ) );
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return [ $id, true ];
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} elseif ( is_numeric( $filter ) ) {
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return [ (int)$filter, false ];
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} else {
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throw new InvalidArgumentException( "Invalid filter name: $filter" );
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}
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}
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}
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