maintenance/wrapOldPasswords.php

   1 <?php
   2 /**
   3  * Maintenance script to wrap all old-style passwords in a layered type
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Maintenance
  22  */
  23 require_once __DIR__ . '/Maintenance.php';
  24
  25 /**
  26  * Maintenance script to wrap all passwords of a certain type in a specified layered
  27  * type that wraps around the old type.
  28  *
  29  * @since 1.24
  30  * @ingroup Maintenance
  31  */
  32 class WrapOldPasswords extends Maintenance {
  33         public function __construct() {
  34                 parent::__construct();
  35                 $this->addDescription( 'Wrap all passwords of a certain type in a new layered type' );
  36                 $this->addOption( 'type',
  37                         'Password type to wrap passwords in (must inherit LayeredParameterizedPassword)', true, true );
  38                 $this->addOption( 'verbose', 'Enables verbose output', false, false, 'v' );
  39                 $this->setBatchSize( 100 );
  40         }
  41
  42         public function execute() {
  43                 global $wgAuth;
  44
  45                 if ( !$wgAuth->allowSetLocalPassword() ) {
  46                         $this->error( '$wgAuth does not allow local passwords. Aborting.', true );
  47                 }
  48
  49                 $passwordFactory = new PasswordFactory();
  50                 $passwordFactory->init( RequestContext::getMain()->getConfig() );
  51
  52                 $typeInfo = $passwordFactory->getTypes();
  53                 $layeredType = $this->getOption( 'type' );
  54
  55                 // Check that type exists and is a layered type
  56                 if ( !isset( $typeInfo[$layeredType] ) ) {
  57                         $this->error( 'Undefined password type', true );
  58                 }
  59
  60                 $passObj = $passwordFactory->newFromType( $layeredType );
  61                 if ( !$passObj instanceof LayeredParameterizedPassword ) {
  62                         $this->error( 'Layered parameterized password type must be used.', true );
  63                 }
  64
  65                 // Extract the first layer type
  66                 $typeConfig = $typeInfo[$layeredType];
  67                 $firstType = $typeConfig['types'][0];
  68
  69                 // Get a list of password types that are applicable
  70                 $dbw = $this->getDB( DB_MASTER );
  71                 $typeCond = 'user_password' . $dbw->buildLike( ":$firstType:", $dbw->anyString() );
  72
  73                 $minUserId = 0;
  74                 do {
  75                         $this->beginTransaction( $dbw, __METHOD__ );
  76
  77                         $res = $dbw->select( 'user',
  78                                 array( 'user_id', 'user_name', 'user_password' ),
  79                                 array(
  80                                         'user_id > ' . $dbw->addQuotes( $minUserId ),
  81                                         $typeCond
  82                                 ),
  83                                 __METHOD__,
  84                                 array(
  85                                         'ORDER BY' => 'user_id',
  86                                         'LIMIT' => $this->mBatchSize,
  87                                         'LOCK IN SHARE MODE',
  88                                 )
  89                         );
  90
  91                         /** @var User[] $updateUsers */
  92                         $updateUsers = array();
  93                         foreach ( $res as $row ) {
  94                                 if ( $this->hasOption( 'verbose' ) ) {
  95                                         $this->output( "Updating password for user {$row->user_name} ({$row->user_id}).\n" );
  96                                 }
  97
  98                                 $user = User::newFromId( $row->user_id );
  99                                 /** @var ParameterizedPassword $password */
 100                                 $password = $passwordFactory->newFromCiphertext( $row->user_password );
 101                                 /** @var LayeredParameterizedPassword $layeredPassword */
 102                                 $layeredPassword = $passwordFactory->newFromType( $layeredType );
 103                                 $layeredPassword->partialCrypt( $password );
 104
 105                                 $updateUsers[] = $user;
 106                                 $dbw->update( 'user',
 107                                         array( 'user_password' => $layeredPassword->toString() ),
 108                                         array( 'user_id' => $row->user_id ),
 109                                         __METHOD__
 110                                 );
 111
 112                                 $minUserId = $row->user_id;
 113                         }
 114
 115                         $this->commitTransaction( $dbw, __METHOD__ );
 116
 117                         // Clear memcached so old passwords are wiped out
 118                         foreach ( $updateUsers as $user ) {
 119                                 $user->clearSharedCache();
 120                         }
 121                 } while ( $res->numRows() );
 122         }
 123 }
 124
 125 $maintClass = "WrapOldPasswords";
 126 require_once RUN_MAINTENANCE_IF_MAIN;