maintenance/CheckSignatures.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Maintenance
  20  */
  21
  22 /**
  23  * Maintenance script to list users with invalid signatures.
  24  *
  25  * @ingroup Maintenance
  26  */
  27 class CheckSignatures extends Maintenance {
  28
  29         public function __construct() {
  30                 parent::__construct();
  31                 $this->addDescription( 'List users with invalid signatures' );
  32                 $this->setBatchSize( 1000 );
  33         }
  34
  35         public function execute() {
  36                 $dbr = $this->getReplicaDB();
  37                 $userFactory = $this->getServiceContainer()->getUserIdentityLookup();
  38                 $userOptions = $this->getServiceContainer()->getUserOptionsLookup();
  39                 $signatureValidatorFactory = $this->getServiceContainer()->getSignatureValidatorFactory();
  40                 $contentLanguage = $this->getServiceContainer()->getContentLanguage();
  41
  42                 $count = 0;
  43                 $maxUserId = 0;
  44                 do {
  45                         // List users who may have a signature that needs validation
  46                         $res = $dbr->newSelectQueryBuilder()
  47                                 ->from( 'user_properties' )
  48                                 ->select( 'up_user' )
  49                                 ->where( [ 'up_property' => 'fancysig' ] )
  50                                 ->andWhere( $dbr->expr( 'up_user', '>', $maxUserId ) )
  51                                 ->orderBy( [ 'up_property', 'up_user' ] )
  52                                 ->limit( $this->getBatchSize() )
  53                                 ->caller( __METHOD__ )
  54                                 ->fetchResultSet();
  55
  56                         foreach ( $res as $row ) {
  57                                 // Double-check effective preferences and check validation
  58                                 $user = $userFactory->getUserIdentityByUserId( $row->up_user );
  59                                 if ( !$user ) {
  60                                         continue;
  61                                 }
  62                                 $signature = $userOptions->getOption( $user, 'nickname' );
  63                                 $useFancySig = $userOptions->getBoolOption( $user, 'fancysig' );
  64                                 if ( $useFancySig && $signature !== '' ) {
  65                                         $parserOpts = new ParserOptions( $user, $contentLanguage );
  66                                         $validator = $signatureValidatorFactory->newSignatureValidator( $user, null, $parserOpts );
  67                                         $signatureErrors = $validator->validateSignature( $signature );
  68                                         if ( $signatureErrors ) {
  69                                                 $count++;
  70                                                 $this->output( $user->getName() . "\n" );
  71                                         }
  72                                 }
  73
  74                                 $maxUserId = $row->up_user;
  75                         }
  76                 } while ( $res->numRows() );
  77
  78                 $this->output( "-- $count invalid signatures --\n" );
  79         }
  80 }
  81
  82 // @codeCoverageIgnoreStart
  83 $maintClass = CheckSignatures::class;
  84 // @codeCoverageIgnoreEnd