includes/specials/SpecialProtectedpages.php

   1 <?php
   2 /**
   3  * Implements Special:Protectedpages
   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  * A special page that lists protected pages
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialProtectedpages extends SpecialPage {
  30
  31         protected $IdLevel = 'level';
  32         protected $IdType  = 'type';
  33
  34         public function __construct() {
  35                 parent::__construct( 'Protectedpages' );
  36         }
  37
  38         public function execute( $par ) {
  39                 global $wgOut, $wgRequest;
  40
  41                 $this->setHeaders();
  42                 $this->outputHeader();
  43
  44                 // Purge expired entries on one in every 10 queries
  45                 if( !mt_rand( 0, 10 ) ) {
  46                         Title::purgeExpiredRestrictions();
  47                 }
  48
  49                 $type = $wgRequest->getVal( $this->IdType );
  50                 $level = $wgRequest->getVal( $this->IdLevel );
  51                 $sizetype = $wgRequest->getVal( 'sizetype' );
  52                 $size = $wgRequest->getIntOrNull( 'size' );
  53                 $NS = $wgRequest->getIntOrNull( 'namespace' );
  54                 $indefOnly = $wgRequest->getBool( 'indefonly' ) ? 1 : 0;
  55                 $cascadeOnly = $wgRequest->getBool('cascadeonly') ? 1 : 0;
  56
  57                 $pager = new ProtectedPagesPager( $this, array(), $type, $level, $NS, $sizetype, $size, $indefOnly, $cascadeOnly );
  58
  59                 $wgOut->addHTML( $this->showOptions( $NS, $type, $level, $sizetype, $size, $indefOnly, $cascadeOnly ) );
  60
  61                 if( $pager->getNumRows() ) {
  62                         $s = $pager->getNavigationBar();
  63                         $s .= "<ul>" .
  64                                 $pager->getBody() .
  65                                 "</ul>";
  66                         $s .= $pager->getNavigationBar();
  67                 } else {
  68                         $s = '<p>' . wfMsgHtml( 'protectedpagesempty' ) . '</p>';
  69                 }
  70                 $wgOut->addHTML( $s );
  71         }
  72
  73         /**
  74          * Callback function to output a restriction
  75          * @param $row object Protected title
  76          * @return string Formatted <li> element
  77          */
  78         public function formatRow( $row ) {
  79                 global $wgUser, $wgLang, $wgContLang;
  80
  81                 wfProfileIn( __METHOD__ );
  82
  83                 static $skin = null, $dbr = null;
  84
  85                 if( is_null( $skin ) ){
  86                         $skin = $wgUser->getSkin();
  87                         $dbr = wfGetDB( DB_READ );
  88                 }
  89
  90                 $title = Title::makeTitleSafe( $row->page_namespace, $row->page_title );
  91                 $link = $skin->link( $title );
  92
  93                 $description_items = array ();
  94
  95                 $protType = wfMsgHtml( 'restriction-level-' . $row->pr_level );
  96
  97                 $description_items[] = $protType;
  98
  99                 if( $row->pr_cascade ) {
 100                         $description_items[] = wfMsg( 'protect-summary-cascade' );
 101                 }
 102
 103                 $stxt = '';
 104
 105                 $expiry = $wgLang->formatExpiry( $row->pr_expiry, TS_MW );
 106                 if( $expiry != $dbr->getInfinity() ) {
 107
 108                         $expiry_description = wfMsg(
 109                                 'protect-expiring',
 110                                 $wgLang->timeanddate( $expiry ),
 111                                 $wgLang->date( $expiry ),
 112                                 $wgLang->time( $expiry )
 113                         );
 114
 115                         $description_items[] = htmlspecialchars($expiry_description);
 116                 }
 117
 118                 if(!is_null($size = $row->page_len)) {
 119                         $stxt = $wgContLang->getDirMark() . ' ' . $skin->formatRevisionSize( $size );
 120                 }
 121
 122                 # Show a link to the change protection form for allowed users otherwise a link to the protection log
 123                 if( $wgUser->isAllowed( 'protect' ) ) {
 124                         $changeProtection = ' (' . $skin->linkKnown(
 125                                 $title,
 126                                 wfMsgHtml( 'protect_change' ),
 127                                 array(),
 128                                 array( 'action' => 'unprotect' )
 129                         ) . ')';
 130                 } else {
 131                         $ltitle = SpecialPage::getTitleFor( 'Log' );
 132                         $changeProtection = ' (' . $skin->linkKnown(
 133                                 $ltitle,
 134                                 wfMsgHtml( 'protectlogpage' ),
 135                                 array(),
 136                                 array(
 137                                         'type' => 'protect',
 138                                         'page' => $title->getPrefixedText()
 139                                 )
 140                         ) . ')';
 141                 }
 142
 143                 wfProfileOut( __METHOD__ );
 144
 145                 return Html::rawElement(
 146                         'li',
 147                         array(),
 148                         wfSpecialList( $link . $stxt, $wgLang->commaList( $description_items ) ) . $changeProtection ) . "\n";
 149         }
 150
 151         /**
 152          * @param $namespace Integer
 153          * @param $type String: restriction type
 154          * @param $level String: restriction level
 155          * @param $sizetype String: "min" or "max"
 156          * @param $size Integer
 157          * @param $indefOnly Boolean: only indefinie protection
 158          * @param $cascadeOnly Boolean: only cascading protection
 159          * @return String: input form
 160          */
 161         protected function showOptions( $namespace, $type='edit', $level, $sizetype, $size, $indefOnly, $cascadeOnly ) {
 162                 global $wgScript;
 163                 $title = SpecialPage::getTitleFor( 'Protectedpages' );
 164                 return Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) ) .
 165                         Xml::openElement( 'fieldset' ) .
 166                         Xml::element( 'legend', array(), wfMsg( 'protectedpages' ) ) .
 167                         Html::hidden( 'title', $title->getPrefixedDBkey() ) . "\n" .
 168                         $this->getNamespaceMenu( $namespace ) . "&#160;\n" .
 169                         $this->getTypeMenu( $type ) . "&#160;\n" .
 170                         $this->getLevelMenu( $level ) . "&#160;\n" .
 171                         "<br /><span style='white-space: nowrap'>" .
 172                         $this->getExpiryCheck( $indefOnly ) . "&#160;\n" .
 173                         $this->getCascadeCheck( $cascadeOnly ) . "&#160;\n" .
 174                         "</span><br /><span style='white-space: nowrap'>" .
 175                         $this->getSizeLimit( $sizetype, $size ) . "&#160;\n" .
 176                         "</span>" .
 177                         "&#160;" . Xml::submitButton( wfMsg( 'allpagessubmit' ) ) . "\n" .
 178                         Xml::closeElement( 'fieldset' ) .
 179                         Xml::closeElement( 'form' );
 180         }
 181
 182         /**
 183          * Prepare the namespace filter drop-down; standard namespace
 184          * selector, sans the MediaWiki namespace
 185          *
 186          * @param $namespace Mixed: pre-select namespace
 187          * @return String
 188          */
 189         protected function getNamespaceMenu( $namespace = null ) {
 190                 return "<span style='white-space: nowrap'>" .
 191                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . '&#160;'
 192                         . Xml::namespaceSelector( $namespace, '' ) . "</span>";
 193         }
 194
 195         /**
 196          * @return string Formatted HTML
 197          */
 198         protected function getExpiryCheck( $indefOnly ) {
 199                 return
 200                         Xml::checkLabel( wfMsg('protectedpages-indef'), 'indefonly', 'indefonly', $indefOnly ) . "\n";
 201         }
 202
 203         /**
 204          * @return string Formatted HTML
 205          */
 206         protected function getCascadeCheck( $cascadeOnly ) {
 207                 return
 208                         Xml::checkLabel( wfMsg('protectedpages-cascade'), 'cascadeonly', 'cascadeonly', $cascadeOnly ) . "\n";
 209         }
 210
 211         /**
 212          * @return string Formatted HTML
 213          */
 214         protected function getSizeLimit( $sizetype, $size ) {
 215                 $max = $sizetype === 'max';
 216
 217                 return
 218                         Xml::radioLabel( wfMsg('minimum-size'), 'sizetype', 'min', 'wpmin', !$max ) .
 219                         '&#160;' .
 220                         Xml::radioLabel( wfMsg('maximum-size'), 'sizetype', 'max', 'wpmax', $max ) .
 221                         '&#160;' .
 222                         Xml::input( 'size', 9, $size, array( 'id' => 'wpsize' ) ) .
 223                         '&#160;' .
 224                         Xml::label( wfMsg('pagesize'), 'wpsize' );
 225         }
 226
 227         /**
 228          * Creates the input label of the restriction type
 229          * @param $pr_type string Protection type
 230          * @return string Formatted HTML
 231          */
 232         protected function getTypeMenu( $pr_type ) {
 233                 $m = array(); // Temporary array
 234                 $options = array();
 235
 236                 // First pass to load the log names
 237                 foreach( Title::getFilteredRestrictionTypes( true ) as $type ) {
 238                         $text = wfMsg("restriction-$type");
 239                         $m[$text] = $type;
 240                 }
 241
 242                 // Third pass generates sorted XHTML content
 243                 foreach( $m as $text => $type ) {
 244                         $selected = ($type == $pr_type );
 245                         $options[] = Xml::option( $text, $type, $selected ) . "\n";
 246                 }
 247
 248                 return "<span style='white-space: nowrap'>" .
 249                         Xml::label( wfMsg('restriction-type') , $this->IdType ) . '&#160;' .
 250                         Xml::tags( 'select',
 251                                 array( 'id' => $this->IdType, 'name' => $this->IdType ),
 252                                 implode( "\n", $options ) ) . "</span>";
 253         }
 254
 255         /**
 256          * Creates the input label of the restriction level
 257          * @param $pr_level string Protection level
 258          * @return string Formatted HTML
 259          */
 260         protected function getLevelMenu( $pr_level ) {
 261                 global $wgRestrictionLevels;
 262
 263                 $m = array( wfMsg('restriction-level-all') => 0 ); // Temporary array
 264                 $options = array();
 265
 266                 // First pass to load the log names
 267                 foreach( $wgRestrictionLevels as $type ) {
 268                         // Messages used can be 'restriction-level-sysop' and 'restriction-level-autoconfirmed'
 269                         if( $type !='' && $type !='*') {
 270                                 $text = wfMsg("restriction-level-$type");
 271                                 $m[$text] = $type;
 272                         }
 273                 }
 274
 275                 // Third pass generates sorted XHTML content
 276                 foreach( $m as $text => $type ) {
 277                         $selected = ($type == $pr_level );
 278                         $options[] = Xml::option( $text, $type, $selected );
 279                 }
 280
 281                 return "<span style='white-space: nowrap'>" .
 282                         Xml::label( wfMsg( 'restriction-level' ) , $this->IdLevel ) . ' ' .
 283                         Xml::tags( 'select',
 284                                 array( 'id' => $this->IdLevel, 'name' => $this->IdLevel ),
 285                                 implode( "\n", $options ) ) . "</span>";
 286         }
 287 }
 288
 289 /**
 290  * @todo document
 291  * @ingroup Pager
 292  */
 293 class ProtectedPagesPager extends AlphabeticPager {
 294         public $mForm, $mConds;
 295         private $type, $level, $namespace, $sizetype, $size, $indefonly;
 296
 297         function __construct( $form, $conds = array(), $type, $level, $namespace, $sizetype='', $size=0,
 298                 $indefonly = false, $cascadeonly = false )
 299         {
 300                 $this->mForm = $form;
 301                 $this->mConds = $conds;
 302                 $this->type = ( $type ) ? $type : 'edit';
 303                 $this->level = $level;
 304                 $this->namespace = $namespace;
 305                 $this->sizetype = $sizetype;
 306                 $this->size = intval($size);
 307                 $this->indefonly = (bool)$indefonly;
 308                 $this->cascadeonly = (bool)$cascadeonly;
 309                 parent::__construct();
 310         }
 311
 312         function getStartBody() {
 313                 # Do a link batch query
 314                 $lb = new LinkBatch;
 315                 foreach ( $this->mResult as $row ) {
 316                         $lb->add( $row->page_namespace, $row->page_title );
 317                 }
 318                 $lb->execute();
 319                 return '';
 320         }
 321
 322         function formatRow( $row ) {
 323                 return $this->mForm->formatRow( $row );
 324         }
 325
 326         function getQueryInfo() {
 327                 $conds = $this->mConds;
 328                 $conds[] = '(pr_expiry>' . $this->mDb->addQuotes( $this->mDb->timestamp() ) .
 329                                 'OR pr_expiry IS NULL)';
 330                 $conds[] = 'page_id=pr_page';
 331                 $conds[] = 'pr_type=' . $this->mDb->addQuotes( $this->type );
 332
 333                 if( $this->sizetype=='min' ) {
 334                         $conds[] = 'page_len>=' . $this->size;
 335                 } else if( $this->sizetype=='max' ) {
 336                         $conds[] = 'page_len<=' . $this->size;
 337                 }
 338
 339                 if( $this->indefonly ) {
 340                         $conds[] = "pr_expiry = 'infinity' OR pr_expiry IS NULL";
 341                 }
 342                 if( $this->cascadeonly ) {
 343                         $conds[] = "pr_cascade = '1'";
 344                 }
 345
 346                 if( $this->level )
 347                         $conds[] = 'pr_level=' . $this->mDb->addQuotes( $this->level );
 348                 if( !is_null($this->namespace) )
 349                         $conds[] = 'page_namespace=' . $this->mDb->addQuotes( $this->namespace );
 350                 return array(
 351                         'tables' => array( 'page_restrictions', 'page' ),
 352                         'fields' => 'pr_id,page_namespace,page_title,page_len,pr_type,pr_level,pr_expiry,pr_cascade',
 353                         'conds' => $conds
 354                 );
 355         }
 356
 357         function getIndexField() {
 358                 return 'pr_id';
 359         }
 360 }