includes/specials/SpecialResetTokens.php

   1 <?php
   2 /**
   3  * Implements Special:ResetTokens
   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 SpecialPage
  22  */
  23
  24 /**
  25  * Let users reset tokens like the watchlist token.
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialResetTokens extends FormSpecialPage {
  30         private $tokensList;
  31
  32         public function __construct() {
  33                 parent::__construct( 'ResetTokens' );
  34         }
  35
  36         /**
  37          * Returns the token information list for this page after running
  38          * the hook and filtering out disabled preferences.
  39          *
  40          * @return array
  41          */
  42         protected function getTokensList() {
  43                 global $wgHiddenPrefs;
  44
  45                 if ( !isset( $this->tokensList ) ) {
  46                         $tokens = array(
  47                                 array( 'preference' => 'watchlisttoken', 'label-message' => 'resettokens-watchlist-token' ),
  48                         );
  49                         wfRunHooks( 'SpecialResetTokensTokens', array( &$tokens ) );
  50
  51                         $tokens = array_filter( $tokens, function ( $tok ) use ( $wgHiddenPrefs ) {
  52                                 return !in_array( $tok['preference'], $wgHiddenPrefs );
  53                         } );
  54
  55                         $this->tokensList = $tokens;
  56                 }
  57
  58                 return $this->tokensList;
  59         }
  60
  61         public function execute( $par ) {
  62                 // This is a preferences page, so no user JS for y'all.
  63                 $this->getOutput()->disallowUserJs();
  64
  65                 parent::execute( $par );
  66
  67                 $this->getOutput()->addReturnTo( SpecialPage::getTitleFor( 'Preferences' ) );
  68         }
  69
  70         public function onSuccess() {
  71                 $this->getOutput()->wrapWikiMsg(
  72                         "<div class='successbox'>\n$1\n</div>",
  73                         'resettokens-done'
  74                 );
  75         }
  76
  77         /**
  78          * Display appropriate message if there's nothing to do.
  79          * The submit button is also suppressed in this case (see alterForm()).
  80          */
  81         protected function getFormFields() {
  82                 $user = $this->getUser();
  83                 $tokens = $this->getTokensList();
  84
  85                 if ( $tokens ) {
  86                         $tokensForForm = array();
  87                         foreach ( $tokens as $tok ) {
  88                                 $label = $this->msg( 'resettokens-token-label' )
  89                                         ->rawParams( $this->msg( $tok['label-message'] )->escaped() )
  90                                         ->params( $user->getTokenFromOption( $tok['preference'] ) )
  91                                         ->escaped();
  92                                 $tokensForForm[ $label ] = $tok['preference'];
  93                         }
  94
  95                         $desc = array(
  96                                 'label-message' => 'resettokens-tokens',
  97                                 'type' => 'multiselect',
  98                                 'options' => $tokensForForm,
  99                         );
 100                 } else {
 101                         $desc = array(
 102                                 'label-message' => 'resettokens-no-tokens',
 103                                 'type' => 'info',
 104                         );
 105                 }
 106
 107                 return array(
 108                         'tokens' => $desc,
 109                 );
 110         }
 111
 112         /**
 113          * Suppress the submit button if there's nothing to do;
 114          * provide additional message on it otherwise.
 115          */
 116         protected function alterForm( HTMLForm $form ) {
 117                 if ( $this->getTokensList() ) {
 118                         $form->setSubmitTextMsg( 'resettokens-resetbutton' );
 119                 } else {
 120                         $form->suppressDefaultSubmit();
 121                 }
 122         }
 123
 124         public function onSubmit( array $formData ) {
 125                 if ( $formData['tokens'] ) {
 126                         $user = $this->getUser();
 127                         foreach ( $formData['tokens'] as $tokenPref ) {
 128                                 $user->resetTokenFromOption( $tokenPref );
 129                         }
 130                         $user->saveSettings();
 131
 132                         return true;
 133                 }
 134
 135                 return false;
 136         }
 137
 138         protected function getGroupName() {
 139                 return 'users';
 140         }
 141
 142         public function isListed() {
 143                 return (bool)$this->getTokensList();
 144         }
 145 }