includes/api/ApiCheckToken.php

   1 <?php
   2 /**
   3  * Created on Jan 29, 2015
   4  *
   5  * Copyright © 2015 Brad Jorsch bjorsch@wikimedia.org
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  */
  24
  25 use MediaWiki\Session\Token;
  26
  27 /**
  28  * @since 1.25
  29  * @ingroup API
  30  */
  31 class ApiCheckToken extends ApiBase {
  32
  33         public function execute() {
  34                 $params = $this->extractRequestParams();
  35                 $token = $params['token'];
  36                 $maxage = $params['maxtokenage'];
  37                 $salts = ApiQueryTokens::getTokenTypeSalts();
  38
  39                 $res = [];
  40
  41                 $tokenObj = ApiQueryTokens::getToken(
  42                         $this->getUser(), $this->getRequest()->getSession(), $salts[$params['type']]
  43                 );
  44
  45                 if ( substr( $token, -strlen( urldecode( Token::SUFFIX ) ) ) === urldecode( Token::SUFFIX ) ) {
  46                         $this->setWarning(
  47                                 "Check that symbols such as \"+\" in the token are properly percent-encoded in the URL."
  48                         );
  49                 }
  50
  51                 if ( $tokenObj->match( $token, $maxage ) ) {
  52                         $res['result'] = 'valid';
  53                 } elseif ( $maxage !== null && $tokenObj->match( $token ) ) {
  54                         $res['result'] = 'expired';
  55                 } else {
  56                         $res['result'] = 'invalid';
  57                 }
  58
  59                 $ts = Token::getTimestamp( $token );
  60                 if ( $ts !== null ) {
  61                         $mwts = new MWTimestamp();
  62                         $mwts->timestamp->setTimestamp( $ts );
  63                         $res['generated'] = $mwts->getTimestamp( TS_ISO_8601 );
  64                 }
  65
  66                 $this->getResult()->addValue( null, $this->getModuleName(), $res );
  67         }
  68
  69         public function getAllowedParams() {
  70                 return [
  71                         'type' => [
  72                                 ApiBase::PARAM_TYPE => array_keys( ApiQueryTokens::getTokenTypeSalts() ),
  73                                 ApiBase::PARAM_REQUIRED => true,
  74                         ],
  75                         'token' => [
  76                                 ApiBase::PARAM_TYPE => 'string',
  77                                 ApiBase::PARAM_REQUIRED => true,
  78                         ],
  79                         'maxtokenage' => [
  80                                 ApiBase::PARAM_TYPE => 'integer',
  81                         ],
  82                 ];
  83         }
  84
  85         protected function getExamplesMessages() {
  86                 return [
  87                         'action=checktoken&type=csrf&token=123ABC'
  88                                 => 'apihelp-checktoken-example-simple',
  89                 ];
  90         }
  91 }