mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/ConfirmEdit
synced 2024-11-23 15:56:50 +00:00
92bc1f3d2f
Changes to the use statements done automatically via script Addition of missing use statements done manually Change-Id: Id44f211320e56bc83e4c8f243369dc4eb562cf37
71 lines
1.7 KiB
PHP
71 lines
1.7 KiB
PHP
<?php
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namespace MediaWiki\Extension\ConfirmEdit\Store;
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use BadMethodCallException;
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use MediaWiki\Config\ConfigException;
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abstract class CaptchaStore {
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/**
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* Store the correct answer for a given captcha
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* @param string $index
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* @param array $info the captcha result
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*/
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abstract public function store( $index, $info );
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/**
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* Retrieve the answer for a given captcha
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* @param string $index
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* @return array|false
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*/
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abstract public function retrieve( $index );
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/**
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* Delete a result once the captcha has been used, so it cannot be reused
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* @param string $index
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*/
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abstract public function clear( $index );
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/**
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* Whether this type of CaptchaStore needs cookies
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* @return bool
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*/
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abstract public function cookiesNeeded();
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/**
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* The singleton instance
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* @var CaptchaStore|null
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*/
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private static $instance;
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/**
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* Get somewhere to store captcha data that will persist between requests
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*
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* @return CaptchaStore
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*/
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final public static function get() {
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global $wgCaptchaStorageClass;
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if ( !self::$instance instanceof self ) {
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if ( in_array( self::class, class_parents( $wgCaptchaStorageClass ) ) ) {
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self::$instance = new $wgCaptchaStorageClass;
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} else {
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throw new ConfigException( "Invalid CaptchaStore class $wgCaptchaStorageClass" );
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}
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}
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return self::$instance;
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}
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final public static function unsetInstanceForTests() {
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if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
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throw new BadMethodCallException( 'Cannot unset ' . __CLASS__ . ' instance in operation.' );
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}
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self::$instance = null;
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}
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/**
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* Protected constructor: no creating instances except through the factory method above
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*/
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protected function __construct() {
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}
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}
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