includes/specials/SpecialBlockList.php

   1 <?php
   2 /**
   3  * Implements Special:BlockList
   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 existing blocks
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialBlockList extends SpecialPage {
  30
  31         protected $target, $options;
  32
  33         function __construct() {
  34                 parent::__construct( 'BlockList' );
  35         }
  36
  37         /**
  38          * Main execution point
  39          *
  40          * @param $par String title fragment
  41          */
  42         public function execute( $par ) {
  43                 $this->setHeaders();
  44                 $this->outputHeader();
  45                 $out = $this->getOutput();
  46                 $lang = $this->getLanguage();
  47                 $out->setPageTitle( $this->msg( 'ipblocklist' ) );
  48                 $out->addModuleStyles( 'mediawiki.special' );
  49
  50                 $request = $this->getRequest();
  51                 $par = $request->getVal( 'ip', $par );
  52                 $this->target = trim( $request->getVal( 'wpTarget', $par ) );
  53
  54                 $this->options = $request->getArray( 'wpOptions', array() );
  55
  56                 $action = $request->getText( 'action' );
  57
  58                 if( $action == 'unblock' || $action == 'submit' && $request->wasPosted() ) {
  59                         # B/C @since 1.18: Unblock interface is now at Special:Unblock
  60                         $title = SpecialPage::getTitleFor( 'Unblock', $this->target );
  61                         $out->redirect( $title->getFullUrl() );
  62                         return;
  63                 }
  64
  65                 # Just show the block list
  66                 $fields = array(
  67                         'Target' => array(
  68                                 'type' => 'text',
  69                                 'label-message' => 'ipadressorusername',
  70                                 'tabindex' => '1',
  71                                 'size' => '45',
  72                                 'default' => $this->target,
  73                         ),
  74                         'Options' => array(
  75                                 'type' => 'multiselect',
  76                                 'options' => array(
  77                                         wfMsg( 'blocklist-userblocks' ) => 'userblocks',
  78                                         wfMsg( 'blocklist-tempblocks' ) => 'tempblocks',
  79                                         wfMsg( 'blocklist-addressblocks' ) => 'addressblocks',
  80                                         wfMsg( 'blocklist-rangeblocks' ) => 'rangeblocks',
  81                                 ),
  82                                 'flatlist' => true,
  83                         ),
  84                         'Limit' => array(
  85                                 'class' => 'HTMLBlockedUsersItemSelect',
  86                                 'label-message' => 'table_pager_limit_label',
  87                                 'options' => array(
  88                                         $lang->formatNum( 20 ) => 20,
  89                                         $lang->formatNum( 50 ) => 50,
  90                                         $lang->formatNum( 100 ) => 100,
  91                                         $lang->formatNum( 250 ) => 250,
  92                                         $lang->formatNum( 500 ) => 500,
  93                                 ),
  94                                 'name' => 'limit',
  95                                 'default' => 50,
  96                         ),
  97                 );
  98                 $form = new HTMLForm( $fields, $this->getContext() );
  99                 $form->setMethod( 'get' );
 100                 $form->setWrapperLegend( wfMsg( 'ipblocklist-legend' ) );
 101                 $form->setSubmitText( wfMsg( 'ipblocklist-submit' ) );
 102                 $form->prepareForm();
 103
 104                 $form->displayForm( '' );
 105                 $this->showList();
 106         }
 107
 108         function showList() {
 109                 # Purge expired entries on one in every 10 queries
 110                 if ( !mt_rand( 0, 10 ) ) {
 111                         Block::purgeExpired();
 112                 }
 113
 114                 $conds = array();
 115                 # Is the user allowed to see hidden blocks?
 116                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ){
 117                         $conds['ipb_deleted'] = 0;
 118                 }
 119
 120                 if ( $this->target !== '' ){
 121                         list( $target, $type ) = Block::parseTarget( $this->target );
 122
 123                         switch( $type ){
 124                                 case Block::TYPE_ID:
 125                                 case Block::TYPE_AUTO:
 126                                         $conds['ipb_id'] = $target;
 127                                         break;
 128
 129                                 case Block::TYPE_IP:
 130                                 case Block::TYPE_RANGE:
 131                                         list( $start, $end ) = IP::parseRange( $target );
 132                                         $dbr = wfGetDB( DB_SLAVE );
 133                                         $conds[] = $dbr->makeList(
 134                                                 array(
 135                                                         'ipb_address' => $target,
 136                                                         Block::getRangeCond( $start, $end )
 137                                                 ),
 138                                                 LIST_OR
 139                                         );
 140                                         $conds['ipb_auto'] = 0;
 141                                         break;
 142
 143                                 case Block::TYPE_USER:
 144                                         $conds['ipb_address'] = (string)$this->target;
 145                                         $conds['ipb_auto'] = 0;
 146                                         break;
 147                         }
 148                 }
 149
 150                 # Apply filters
 151                 if( in_array( 'userblocks', $this->options ) ) {
 152                         $conds['ipb_user'] = 0;
 153                 }
 154                 if( in_array( 'tempblocks', $this->options ) ) {
 155                         $conds['ipb_expiry'] = 'infinity';
 156                 }
 157                 if( in_array( 'addressblocks', $this->options ) ) {
 158                         $conds[] = "ipb_user != 0 OR ipb_range_end > ipb_range_start";
 159                 }
 160                 if( in_array( 'rangeblocks', $this->options ) ) {
 161                         $conds[] = "ipb_range_end = ipb_range_start";
 162                 }
 163
 164                 # Check for other blocks, i.e. global/tor blocks
 165                 $otherBlockLink = array();
 166                 wfRunHooks( 'OtherBlockLogLink', array( &$otherBlockLink, $this->target ) );
 167
 168                 $out = $this->getOutput();
 169
 170                 # Show additional header for the local block only when other blocks exists.
 171                 # Not necessary in a standard installation without such extensions enabled
 172                 if( count( $otherBlockLink ) ) {
 173                         $out->addHTML(
 174                                 Html::rawElement( 'h2', array(), wfMsg( 'ipblocklist-localblock' ) ) . "\n"
 175                         );
 176                 }
 177
 178                 $pager = new BlockListPager( $this, $conds );
 179                 if ( $pager->getNumRows() ) {
 180                         $out->addHTML(
 181                                 $pager->getNavigationBar() .
 182                                 $pager->getBody().
 183                                 $pager->getNavigationBar()
 184                         );
 185
 186                 } elseif ( $this->target ) {
 187                         $out->addWikiMsg( 'ipblocklist-no-results' );
 188
 189                 } else {
 190                         $out->addWikiMsg( 'ipblocklist-empty' );
 191                 }
 192
 193                 if( count( $otherBlockLink ) ) {
 194                         $out->addHTML(
 195                                 Html::rawElement(
 196                                         'h2',
 197                                         array(),
 198                                         wfMsgExt(
 199                                                 'ipblocklist-otherblocks',
 200                                                 'parseinline',
 201                                                 count( $otherBlockLink )
 202                                         )
 203                                 ) . "\n"
 204                         );
 205                         $list = '';
 206                         foreach( $otherBlockLink as $link ) {
 207                                 $list .= Html::rawElement( 'li', array(), $link ) . "\n";
 208                         }
 209                         $out->addHTML( Html::rawElement( 'ul', array( 'class' => 'mw-ipblocklist-otherblocks' ), $list ) . "\n" );
 210                 }
 211         }
 212 }
 213
 214 class BlockListPager extends TablePager {
 215         protected $conds;
 216         protected $page;
 217
 218         /**
 219          * @param $page SpecialPage
 220          * @param $conds Array
 221          */
 222         function __construct( $page, $conds ) {
 223                 $this->page = $page;
 224                 $this->conds = $conds;
 225                 $this->mDefaultDirection = true;
 226                 parent::__construct( $page->getContext() );
 227         }
 228
 229         function getFieldNames() {
 230                 static $headers = null;
 231
 232                 if ( $headers == array() ) {
 233                         $headers = array(
 234                                 'ipb_timestamp' => 'blocklist-timestamp',
 235                                 'ipb_target' => 'blocklist-target',
 236                                 'ipb_expiry' => 'blocklist-expiry',
 237                                 'ipb_by' => 'blocklist-by',
 238                                 'ipb_params' => 'blocklist-params',
 239                                 'ipb_reason' => 'blocklist-reason',
 240                         );
 241                         $headers = array_map( 'wfMsg', $headers );
 242                 }
 243
 244                 return $headers;
 245         }
 246
 247         function formatValue( $name, $value ) {
 248                 static $msg = null;
 249                 if ( $msg === null ) {
 250                         $msg = array(
 251                                 'anononlyblock',
 252                                 'createaccountblock',
 253                                 'noautoblockblock',
 254                                 'emailblock',
 255                                 'blocklist-nousertalk',
 256                                 'unblocklink',
 257                                 'change-blocklink',
 258                                 'infiniteblock',
 259                         );
 260                         $msg = array_combine( $msg, array_map( 'wfMessage', $msg ) );
 261                 }
 262
 263                 /** @var $row object */
 264                 $row = $this->mCurrentRow;
 265
 266                 $formatted = '';
 267
 268                 switch( $name ) {
 269                         case 'ipb_timestamp':
 270                                 $formatted = $this->getLanguage()->timeanddate( $value, /* User preference timezone */ true );
 271                                 break;
 272
 273                         case 'ipb_target':
 274                                 if( $row->ipb_auto ){
 275                                         $formatted = wfMessage( 'autoblockid', $row->ipb_id )->parse();
 276                                 } else {
 277                                         list( $target, $type ) = Block::parseTarget( $row->ipb_address );
 278                                         switch( $type ){
 279                                                 case Block::TYPE_USER:
 280                                                 case Block::TYPE_IP:
 281                                                         $formatted = Linker::userLink( $target->getId(), $target );
 282                                                         $formatted .= Linker::userToolLinks(
 283                                                                 $target->getId(),
 284                                                                 $target,
 285                                                                 false,
 286                                                                 Linker::TOOL_LINKS_NOBLOCK
 287                                                         );
 288                                                         break;
 289                                                 case Block::TYPE_RANGE:
 290                                                         $formatted = htmlspecialchars( $target );
 291                                         }
 292                                 }
 293                                 break;
 294
 295                         case 'ipb_expiry':
 296                                 $formatted = $this->getLanguage()->formatExpiry( $value, /* User preference timezone */ true );
 297                                 if( $this->getUser()->isAllowed( 'block' ) ){
 298                                         if( $row->ipb_auto ){
 299                                                 $links[] = Linker::linkKnown(
 300                                                         SpecialPage::getTitleFor( 'Unblock' ),
 301                                                         $msg['unblocklink'],
 302                                                         array(),
 303                                                         array( 'wpTarget' => "#{$row->ipb_id}" )
 304                                                 );
 305                                         } else {
 306                                                 $links[] = Linker::linkKnown(
 307                                                         SpecialPage::getTitleFor( 'Unblock', $row->ipb_address ),
 308                                                         $msg['unblocklink']
 309                                                 );
 310                                                 $links[] = Linker::linkKnown(
 311                                                         SpecialPage::getTitleFor( 'Block', $row->ipb_address ),
 312                                                         $msg['change-blocklink']
 313                                                 );
 314                                         }
 315                                         $formatted .= ' ' . Html::rawElement(
 316                                                 'span',
 317                                                 array( 'class' => 'mw-blocklist-actions' ),
 318                                                 wfMsg( 'parentheses', $this->getLanguage()->pipeList( $links ) )
 319                                         );
 320                                 }
 321                                 break;
 322
 323                         case 'ipb_by':
 324                                 if ( isset( $row->by_user_name ) ) {
 325                                         $formatted = Linker::userLink( $value, $row->by_user_name );
 326                                         $formatted .= Linker::userToolLinks( $value, $row->by_user_name );
 327                                 } else {
 328                                         $formatted = htmlspecialchars( $row->ipb_by_text ); // foreign user?
 329                                 }
 330                                 break;
 331
 332                         case 'ipb_reason':
 333                                 $formatted = Linker::commentBlock( $value );
 334                                 break;
 335
 336                         case 'ipb_params':
 337                                 $properties = array();
 338                                 if ( $row->ipb_anon_only ) {
 339                                         $properties[] = $msg['anononlyblock'];
 340                                 }
 341                                 if ( $row->ipb_create_account ) {
 342                                         $properties[] = $msg['createaccountblock'];
 343                                 }
 344                                 if ( $row->ipb_user && !$row->ipb_enable_autoblock ) {
 345                                         $properties[] = $msg['noautoblockblock'];
 346                                 }
 347
 348                                 if ( $row->ipb_block_email ) {
 349                                         $properties[] = $msg['emailblock'];
 350                                 }
 351
 352                                 if ( !$row->ipb_allow_usertalk ) {
 353                                         $properties[] = $msg['blocklist-nousertalk'];
 354                                 }
 355
 356                                 $formatted = $this->getLanguage()->commaList( $properties );
 357                                 break;
 358
 359                         default:
 360                                 $formatted = "Unable to format $name";
 361                                 break;
 362                 }
 363
 364                 return $formatted;
 365         }
 366
 367         function getQueryInfo() {
 368                 $info = array(
 369                         'tables' => array( 'ipblocks', 'user' ),
 370                         'fields' => array(
 371                                 'ipb_id',
 372                                 'ipb_address',
 373                                 'ipb_user',
 374                                 'ipb_by',
 375                                 'ipb_by_text',
 376                                 'user_name AS by_user_name',
 377                                 'ipb_reason',
 378                                 'ipb_timestamp',
 379                                 'ipb_auto',
 380                                 'ipb_anon_only',
 381                                 'ipb_create_account',
 382                                 'ipb_enable_autoblock',
 383                                 'ipb_expiry',
 384                                 'ipb_range_start',
 385                                 'ipb_range_end',
 386                                 'ipb_deleted',
 387                                 'ipb_block_email',
 388                                 'ipb_allow_usertalk',
 389                         ),
 390                         'conds' => $this->conds,
 391                         'join_conds' => array( 'user' => array( 'LEFT JOIN', 'user_id = ipb_by' ) )
 392                 );
 393
 394                 # Is the user allowed to see hidden blocks?
 395                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ){
 396                         $info['conds']['ipb_deleted'] = 0;
 397                 }
 398
 399                 return $info;
 400         }
 401
 402         public function getTableClass(){
 403                 return 'TablePager mw-blocklist';
 404         }
 405
 406         function getIndexField() {
 407                 return 'ipb_timestamp';
 408         }
 409
 410         function getDefaultSort() {
 411                 return 'ipb_timestamp';
 412         }
 413
 414         function isFieldSortable( $name ) {
 415                 return false;
 416         }
 417
 418         /**
 419          * Do a LinkBatch query to minimise database load when generating all these links
 420          * @param $result
 421          */
 422         function preprocessResults( $result ){
 423                 wfProfileIn( __METHOD__ );
 424                 # Do a link batch query
 425                 $lb = new LinkBatch;
 426                 $lb->setCaller( __METHOD__ );
 427
 428                 $userids = array();
 429
 430                 foreach ( $result as $row ) {
 431                         $userids[] = $row->ipb_by;
 432
 433                         # Usernames and titles are in fact related by a simple substitution of space -> underscore
 434                         # The last few lines of Title::secureAndSplit() tell the story.
 435                         $name = str_replace( ' ', '_', $row->ipb_address );
 436                         $lb->add( NS_USER, $name );
 437                         $lb->add( NS_USER_TALK, $name );
 438                 }
 439
 440                 $ua = UserArray::newFromIDs( $userids );
 441                 foreach( $ua as $user ){
 442                         $name = str_replace( ' ', '_', $user->getName() );
 443                         $lb->add( NS_USER, $name );
 444                         $lb->add( NS_USER_TALK, $name );
 445                 }
 446
 447                 $lb->execute();
 448                 wfProfileOut( __METHOD__ );
 449         }
 450 }
 451
 452 /**
 453  * Items per page dropdown. Essentially a crap workaround for bug 32603.
 454  *
 455  * @todo Do not release 1.19 with this.
 456  */
 457 class HTMLBlockedUsersItemSelect extends HTMLSelectField {
 458         /**
 459          * Basically don't do any validation. If it's a number that's fine. Also,
 460          * add it to the list if it's not there already
 461          *
 462          * @param $value
 463          * @param $alldata
 464          * @return bool
 465          */
 466         function validate( $value, $alldata ) {
 467                 if ( $value == '' ) {
 468                         return true;
 469                 }
 470
 471                 if ( !in_array( $value, $this->mParams['options'] ) ) {
 472                         $this->mParams['options'][ $this->mParent->getLanguage()->formatNum( $value ) ] = intval($value);
 473                 }
 474
 475                 return true;
 476         }
 477
 478 }