includes/ProtectionForm.php

   1 <?php
   2 /**
   3  * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
   4  * http://www.mediawiki.org/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @package MediaWiki
  22  * @subpackage SpecialPage
  23  */
  24
  25 class ProtectionForm {
  26         var $mRestrictions = array();
  27         var $mReason = '';
  28
  29         function ProtectionForm( &$article ) {
  30                 global $wgRequest, $wgUser;
  31                 global $wgRestrictionTypes, $wgRestrictionLevels;
  32                 $this->mArticle =& $article;
  33                 $this->mTitle =& $article->mTitle;
  34
  35                 if( $this->mTitle ) {
  36                         foreach( $wgRestrictionTypes as $action ) {
  37                                 // Fixme: this form currently requires individual selections,
  38                                 // but the db allows multiples separated by commas.
  39                                 $this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
  40                         }
  41                 }
  42
  43                 // The form will be available in read-only to show levels.
  44                 $this->disabled = !$wgUser->isAllowed( 'protect' ) || wfReadOnly() || $wgUser->isBlocked();
  45                 $this->disabledAttrib = $this->disabled
  46                         ? array( 'disabled' => 'disabled' )
  47                         : array();
  48
  49                 if( $wgRequest->wasPosted() ) {
  50                         $this->mReason = $wgRequest->getText( 'mwProtect-reason' );
  51                         foreach( $wgRestrictionTypes as $action ) {
  52                                 $val = $wgRequest->getVal( "mwProtect-level-$action" );
  53                                 if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
  54                                         $this->mRestrictions[$action] = $val;
  55                                 }
  56                         }
  57                 }
  58         }
  59
  60         function show() {
  61                 global $wgOut;
  62
  63                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
  64
  65                 if( is_null( $this->mTitle ) ||
  66                         !$this->mTitle->exists() ||
  67                         $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
  68                         $wgOut->showFatalError( wfMsg( 'badarticleerror' ) );
  69                         return;
  70                 }
  71
  72                 if( $this->save() ) {
  73                         $wgOut->redirect( $this->mTitle->getFullUrl() );
  74                         return;
  75                 }
  76
  77                 $wgOut->setPageTitle( wfMsg( 'confirmprotect' ) );
  78                 $wgOut->setSubtitle( wfMsg( 'protectsub', $this->mTitle->getPrefixedText() ) );
  79
  80                 $wgOut->addWikiText(
  81                         wfMsg( $this->disabled ? "protect-viewtext" : "protect-text",
  82                                 $this->mTitle->getPrefixedText() ) );
  83
  84                 $wgOut->addHTML( $this->buildForm() );
  85
  86                 $this->showLogExtract( $wgOut );
  87         }
  88
  89         function save() {
  90                 global $wgRequest, $wgUser, $wgOut;
  91                 if( !$wgRequest->wasPosted() ) {
  92                         return false;
  93                 }
  94
  95                 if( $this->disabled ) {
  96                         return false;
  97                 }
  98
  99                 $token = $wgRequest->getVal( 'wpEditToken' );
 100                 if( !$wgUser->matchEditToken( $token ) ) {
 101                         throw new FatalError( wfMsg( 'sessionfailure' ) );
 102                 }
 103
 104                 $ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $this->mReason );
 105                 if( !$ok ) {
 106                         throw new FatalError( "Unknown error at restriction save time." );
 107                 }
 108                 return $ok;
 109         }
 110
 111         function buildForm() {
 112                 global $wgUser;
 113
 114                 $out = '';
 115                 if( !$this->disabled ) {
 116                         $out .= $this->buildScript();
 117                         // The submission needs to reenable the move permission selector
 118                         // if it's in locked mode, or some browsers won't submit the data.
 119                         $out .= wfOpenElement( 'form', array(
 120                                 'action' => $this->mTitle->getLocalUrl( 'action=protect' ),
 121                                 'method' => 'post',
 122                                 'onsubmit' => 'protectEnable(true)' ) );
 123
 124                         $out .= wfElement( 'input', array(
 125                                 'type' => 'hidden',
 126                                 'name' => 'wpEditToken',
 127                                 'value' => $wgUser->editToken() ) );
 128                 }
 129
 130                 $out .= "<table id='mwProtectSet'>";
 131                 $out .= "<tbody>";
 132                 $out .= "<tr>\n";
 133                 foreach( $this->mRestrictions as $action => $required ) {
 134                         /* Not all languages have V_x <-> N_x relation */
 135                         $out .= "<th>" . wfMsgHtml( 'restriction-' . $action ) . "</th>\n";
 136                 }
 137                 $out .= "</tr>\n";
 138                 $out .= "<tr>\n";
 139                 foreach( $this->mRestrictions as $action => $selected ) {
 140                         $out .= "<td>\n";
 141                         $out .= $this->buildSelector( $action, $selected );
 142                         $out .= "</td>\n";
 143                 }
 144                 $out .= "</tr>\n";
 145
 146                 // JavaScript will add another row with a value-chaining checkbox
 147
 148                 $out .= "</tbody>\n";
 149                 $out .= "</table>\n";
 150
 151                 if( !$this->disabled ) {
 152                         $out .= "<table>\n";
 153                         $out .= "<tbody>\n";
 154                         $out .= "<tr><td>" . $this->buildReasonInput() . "</td></tr>\n";
 155                         $out .= "<tr><td></td><td>" . $this->buildSubmit() . "</td></tr>\n";
 156                         $out .= "</tbody>\n";
 157                         $out .= "</table>\n";
 158                         $out .= "</form>\n";
 159                         $out .= $this->buildCleanupScript();
 160                 }
 161
 162                 return $out;
 163         }
 164
 165         function buildSelector( $action, $selected ) {
 166                 global $wgRestrictionLevels;
 167                 $id = 'mwProtect-level-' . $action;
 168                 $attribs = array(
 169                         'id' => $id,
 170                         'name' => $id,
 171                         'size' => count( $wgRestrictionLevels ),
 172                         'onchange' => 'protectLevelsUpdate(this)',
 173                         ) + $this->disabledAttrib;
 174
 175                 $out = wfOpenElement( 'select', $attribs );
 176                 foreach( $wgRestrictionLevels as $key ) {
 177                         $out .= $this->buildOption( $key, $selected );
 178                 }
 179                 $out .= "</select>\n";
 180                 return $out;
 181         }
 182
 183         function buildOption( $key, $selected ) {
 184                 $text = ( $key == '' )
 185                         ? wfMsg( 'protect-default' )
 186                         : wfMsg( "protect-level-$key" );
 187                 $selectedAttrib = ($selected == $key)
 188                         ? array( 'selected' => 'selected' )
 189                         : array();
 190                 return wfElement( 'option',
 191                         array( 'value' => $key ) + $selectedAttrib,
 192                         $text );
 193         }
 194
 195         function buildReasonInput() {
 196                 $id = 'mwProtect-reason';
 197                 return wfElement( 'label', array(
 198                                 'id' => "$id-label",
 199                                 'for' => $id ),
 200                                 wfMsg( 'protectcomment' ) ) .
 201                         '</td><td>' .
 202                         wfElement( 'input', array(
 203                                 'size' => 60,
 204                                 'name' => $id,
 205                                 'id' => $id ) );
 206         }
 207
 208         function buildSubmit() {
 209                 return wfElement( 'input', array(
 210                         'type' => 'submit',
 211                         'value' => wfMsg( 'confirm' ) ) );
 212         }
 213
 214         function buildScript() {
 215                 global $wgStylePath;
 216                 return '<script type="text/javascript" src="' .
 217                         htmlspecialchars( $wgStylePath . "/common/protect.js" ) .
 218                         '"></script>';
 219         }
 220
 221         function buildCleanupScript() {
 222                 return '<script type="text/javascript">protectInitialize("mwProtectSet","' .
 223                         wfEscapeJsString( wfMsg( 'protect-unchain' ) ) . '")</script>';
 224         }
 225
 226         /**
 227          * @param OutputPage $out
 228          * @access private
 229          */
 230         function showLogExtract( &$out ) {
 231                 # Show relevant lines from the deletion log:
 232                 $out->addHTML( "<h2>" . htmlspecialchars( LogPage::logName( 'protect' ) ) . "</h2>\n" );
 233                 require_once( 'SpecialLog.php' );
 234                 $logViewer = new LogViewer(
 235                         new LogReader(
 236                                 new FauxRequest(
 237                                         array( 'page' => $this->mTitle->getPrefixedText(),
 238                                                'type' => 'protect' ) ) ) );
 239                 $logViewer->showList( $out );
 240         }
 241 }
 242
 243
 244 ?>