ApiCheckToken.php

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<?php
use MediaWiki\Session\Token;
 
class ApiCheckToken extends ApiBase {
 
    public function execute() {
        $params = $this->extractRequestParams();
        $token = $params['token'];
        $maxage = $params['maxtokenage'];
        $salts = ApiQueryTokens::getTokenTypeSalts();
 
        $res = [];
 
        $tokenObj = ApiQueryTokens::getToken(
            $this->getUser(), $this->getRequest()->getSession(), $salts[$params['type']]
        );
 
        if ( substr( $token, -strlen( urldecode( Token::SUFFIX ) ) ) === urldecode( Token::SUFFIX ) ) {
            $this->addWarning( 'apiwarn-checktoken-percentencoding' );
        }
 
        if ( $tokenObj->match( $token, $maxage ) ) {
            $res['result'] = 'valid';
        } elseif ( $maxage !== null && $tokenObj->match( $token ) ) {
            $res['result'] = 'expired';
        } else {
            $res['result'] = 'invalid';
        }
 
        $ts = Token::getTimestamp( $token );
        if ( $ts !== null ) {
            $mwts = new MWTimestamp();
            $mwts->timestamp->setTimestamp( $ts );
            $res['generated'] = $mwts->getTimestamp( TS_ISO_8601 );
        }
 
        $this->getResult()->addValue( null, $this->getModuleName(), $res );
    }
 
    public function getAllowedParams() {
        return [
            'type' => [
                ApiBase::PARAM_TYPE => array_keys( ApiQueryTokens::getTokenTypeSalts() ),
                ApiBase::PARAM_REQUIRED => true,
            ],
            'token' => [
                ApiBase::PARAM_TYPE => 'string',
                ApiBase::PARAM_REQUIRED => true,
                ApiBase::PARAM_SENSITIVE => true,
            ],
            'maxtokenage' => [
                ApiBase::PARAM_TYPE => 'integer',
            ],
        ];
    }
 
    protected function getExamplesMessages() {
        return [
            'action=checktoken&type=csrf&token=123ABC'
                => 'apihelp-checktoken-example-simple',
        ];
    }
}