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 string $par 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
  63                         return;
  64                 }
  65
  66                 # Just show the block list
  67                 $fields = array(
  68                         'Target' => array(
  69                                 'type' => 'text',
  70                                 'label-message' => 'ipadressorusername',
  71                                 'tabindex' => '1',
  72                                 'size' => '45',
  73                                 'default' => $this->target,
  74                         ),
  75                         'Options' => array(
  76                                 'type' => 'multiselect',
  77                                 'options' => array(
  78                                         $this->msg( 'blocklist-userblocks' )->text() => 'userblocks',
  79                                         $this->msg( 'blocklist-tempblocks' )->text() => 'tempblocks',
  80                                         $this->msg( 'blocklist-addressblocks' )->text() => 'addressblocks',
  81                                         $this->msg( 'blocklist-rangeblocks' )->text() => 'rangeblocks',
  82                                 ),
  83                                 'flatlist' => true,
  84                         ),
  85                         'Limit' => array(
  86                                 'class' => 'HTMLBlockedUsersItemSelect',
  87                                 'label-message' => 'table_pager_limit_label',
  88                                 'options' => array(
  89                                         $lang->formatNum( 20 ) => 20,
  90                                         $lang->formatNum( 50 ) => 50,
  91                                         $lang->formatNum( 100 ) => 100,
  92                                         $lang->formatNum( 250 ) => 250,
  93                                         $lang->formatNum( 500 ) => 500,
  94                                 ),
  95                                 'name' => 'limit',
  96                                 'default' => 50,
  97                         ),
  98                 );
  99                 $context = new DerivativeContext( $this->getContext() );
 100                 $context->setTitle( $this->getPageTitle() ); // Remove subpage
 101                 $form = new HTMLForm( $fields, $context );
 102                 $form->setMethod( 'get' );
 103                 $form->setWrapperLegendMsg( 'ipblocklist-legend' );
 104                 $form->setSubmitTextMsg( 'ipblocklist-submit' );
 105                 $form->prepareForm();
 106
 107                 $form->displayForm( '' );
 108                 $this->showList();
 109         }
 110
 111         function showList() {
 112                 # Purge expired entries on one in every 10 queries
 113                 if ( !mt_rand( 0, 10 ) ) {
 114                         Block::purgeExpired();
 115                 }
 116
 117                 $conds = array();
 118                 # Is the user allowed to see hidden blocks?
 119                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
 120                         $conds['ipb_deleted'] = 0;
 121                 }
 122
 123                 if ( $this->target !== '' ) {
 124                         list( $target, $type ) = Block::parseTarget( $this->target );
 125
 126                         switch ( $type ) {
 127                                 case Block::TYPE_ID:
 128                                 case Block::TYPE_AUTO:
 129                                         $conds['ipb_id'] = $target;
 130                                         break;
 131
 132                                 case Block::TYPE_IP:
 133                                 case Block::TYPE_RANGE:
 134                                         list( $start, $end ) = IP::parseRange( $target );
 135                                         $dbr = wfGetDB( DB_SLAVE );
 136                                         $conds[] = $dbr->makeList(
 137                                                 array(
 138                                                         'ipb_address' => $target,
 139                                                         Block::getRangeCond( $start, $end )
 140                                                 ),
 141                                                 LIST_OR
 142                                         );
 143                                         $conds['ipb_auto'] = 0;
 144                                         break;
 145
 146                                 case Block::TYPE_USER:
 147                                         $conds['ipb_address'] = $target->getName();
 148                                         $conds['ipb_auto'] = 0;
 149                                         break;
 150                         }
 151                 }
 152
 153                 # Apply filters
 154                 if ( in_array( 'userblocks', $this->options ) ) {
 155                         $conds['ipb_user'] = 0;
 156                 }
 157                 if ( in_array( 'tempblocks', $this->options ) ) {
 158                         $conds['ipb_expiry'] = 'infinity';
 159                 }
 160                 if ( in_array( 'addressblocks', $this->options ) ) {
 161                         $conds[] = "ipb_user != 0 OR ipb_range_end > ipb_range_start";
 162                 }
 163                 if ( in_array( 'rangeblocks', $this->options ) ) {
 164                         $conds[] = "ipb_range_end = ipb_range_start";
 165                 }
 166
 167                 # Check for other blocks, i.e. global/tor blocks
 168                 $otherBlockLink = array();
 169                 wfRunHooks( 'OtherBlockLogLink', array( &$otherBlockLink, $this->target ) );
 170
 171                 $out = $this->getOutput();
 172
 173                 # Show additional header for the local block only when other blocks exists.
 174                 # Not necessary in a standard installation without such extensions enabled
 175                 if ( count( $otherBlockLink ) ) {
 176                         $out->addHTML(
 177                                 Html::element( 'h2', array(), $this->msg( 'ipblocklist-localblock' )->text() ) . "\n"
 178                         );
 179                 }
 180
 181                 $pager = new BlockListPager( $this, $conds );
 182                 if ( $pager->getNumRows() ) {
 183                         $out->addHTML(
 184                                 $pager->getNavigationBar() .
 185                                         $pager->getBody() .
 186                                         $pager->getNavigationBar()
 187                         );
 188                 } elseif ( $this->target ) {
 189                         $out->addWikiMsg( 'ipblocklist-no-results' );
 190                 } else {
 191                         $out->addWikiMsg( 'ipblocklist-empty' );
 192                 }
 193
 194                 if ( count( $otherBlockLink ) ) {
 195                         $out->addHTML(
 196                                 Html::rawElement(
 197                                         'h2',
 198                                         array(),
 199                                         $this->msg( 'ipblocklist-otherblocks', count( $otherBlockLink ) )->parse()
 200                                 ) . "\n"
 201                         );
 202                         $list = '';
 203                         foreach ( $otherBlockLink as $link ) {
 204                                 $list .= Html::rawElement( 'li', array(), $link ) . "\n";
 205                         }
 206                         $out->addHTML( Html::rawElement( 'ul', array( 'class' => 'mw-ipblocklist-otherblocks' ), $list ) . "\n" );
 207                 }
 208         }
 209
 210         protected function getGroupName() {
 211                 return 'users';
 212         }
 213 }
 214
 215 class BlockListPager extends TablePager {
 216         protected $conds;
 217         protected $page;
 218
 219         /**
 220          * @param SpecialPage $page
 221          * @param array $conds
 222          */
 223         function __construct( $page, $conds ) {
 224                 $this->page = $page;
 225                 $this->conds = $conds;
 226                 $this->mDefaultDirection = true;
 227                 parent::__construct( $page->getContext() );
 228         }
 229
 230         function getFieldNames() {
 231                 static $headers = null;
 232
 233                 if ( $headers === null ) {
 234                         $headers = array(
 235                                 'ipb_timestamp' => 'blocklist-timestamp',
 236                                 'ipb_target' => 'blocklist-target',
 237                                 'ipb_expiry' => 'blocklist-expiry',
 238                                 'ipb_by' => 'blocklist-by',
 239                                 'ipb_params' => 'blocklist-params',
 240                                 'ipb_reason' => 'blocklist-reason',
 241                         );
 242                         foreach ( $headers as $key => $val ) {
 243                                 $headers[$key] = $this->msg( $val )->text();
 244                         }
 245                 }
 246
 247                 return $headers;
 248         }
 249
 250         function formatValue( $name, $value ) {
 251                 static $msg = null;
 252                 if ( $msg === null ) {
 253                         $msg = array(
 254                                 'anononlyblock',
 255                                 'createaccountblock',
 256                                 'noautoblockblock',
 257                                 'emailblock',
 258                                 'blocklist-nousertalk',
 259                                 'unblocklink',
 260                                 'change-blocklink',
 261                                 'infiniteblock',
 262                         );
 263                         $msg = array_combine( $msg, array_map( array( $this, 'msg' ), $msg ) );
 264                 }
 265
 266                 /** @var $row object */
 267                 $row = $this->mCurrentRow;
 268
 269                 $formatted = '';
 270
 271                 switch ( $name ) {
 272                         case 'ipb_timestamp':
 273                                 $formatted = $this->getLanguage()->userTimeAndDate( $value, $this->getUser() );
 274                                 break;
 275
 276                         case 'ipb_target':
 277                                 if ( $row->ipb_auto ) {
 278                                         $formatted = $this->msg( 'autoblockid', $row->ipb_id )->parse();
 279                                 } else {
 280                                         list( $target, $type ) = Block::parseTarget( $row->ipb_address );
 281                                         switch ( $type ) {
 282                                                 case Block::TYPE_USER:
 283                                                 case Block::TYPE_IP:
 284                                                         $formatted = Linker::userLink( $target->getId(), $target );
 285                                                         $formatted .= Linker::userToolLinks(
 286                                                                 $target->getId(),
 287                                                                 $target,
 288                                                                 false,
 289                                                                 Linker::TOOL_LINKS_NOBLOCK
 290                                                         );
 291                                                         break;
 292                                                 case Block::TYPE_RANGE:
 293                                                         $formatted = htmlspecialchars( $target );
 294                                         }
 295                                 }
 296                                 break;
 297
 298                         case 'ipb_expiry':
 299                                 $formatted = $this->getLanguage()->formatExpiry( $value, /* User preference timezone */true );
 300                                 if ( $this->getUser()->isAllowed( 'block' ) ) {
 301                                         if ( $row->ipb_auto ) {
 302                                                 $links[] = Linker::linkKnown(
 303                                                         SpecialPage::getTitleFor( 'Unblock' ),
 304                                                         $msg['unblocklink'],
 305                                                         array(),
 306                                                         array( 'wpTarget' => "#{$row->ipb_id}" )
 307                                                 );
 308                                         } else {
 309                                                 $links[] = Linker::linkKnown(
 310                                                         SpecialPage::getTitleFor( 'Unblock', $row->ipb_address ),
 311                                                         $msg['unblocklink']
 312                                                 );
 313                                                 $links[] = Linker::linkKnown(
 314                                                         SpecialPage::getTitleFor( 'Block', $row->ipb_address ),
 315                                                         $msg['change-blocklink']
 316                                                 );
 317                                         }
 318                                         $formatted .= ' ' . Html::rawElement(
 319                                                 'span',
 320                                                 array( 'class' => 'mw-blocklist-actions' ),
 321                                                 $this->msg( 'parentheses' )->rawParams(
 322                                                         $this->getLanguage()->pipeList( $links ) )->escaped()
 323                                         );
 324                                 }
 325                                 break;
 326
 327                         case 'ipb_by':
 328                                 if ( isset( $row->by_user_name ) ) {
 329                                         $formatted = Linker::userLink( $value, $row->by_user_name );
 330                                         $formatted .= Linker::userToolLinks( $value, $row->by_user_name );
 331                                 } else {
 332                                         $formatted = htmlspecialchars( $row->ipb_by_text ); // foreign user?
 333                                 }
 334                                 break;
 335
 336                         case 'ipb_reason':
 337                                 $formatted = Linker::formatComment( $value );
 338                                 break;
 339
 340                         case 'ipb_params':
 341                                 $properties = array();
 342                                 if ( $row->ipb_anon_only ) {
 343                                         $properties[] = $msg['anononlyblock'];
 344                                 }
 345                                 if ( $row->ipb_create_account ) {
 346                                         $properties[] = $msg['createaccountblock'];
 347                                 }
 348                                 if ( $row->ipb_user && !$row->ipb_enable_autoblock ) {
 349                                         $properties[] = $msg['noautoblockblock'];
 350                                 }
 351
 352                                 if ( $row->ipb_block_email ) {
 353                                         $properties[] = $msg['emailblock'];
 354                                 }
 355
 356                                 if ( !$row->ipb_allow_usertalk ) {
 357                                         $properties[] = $msg['blocklist-nousertalk'];
 358                                 }
 359
 360                                 $formatted = $this->getLanguage()->commaList( $properties );
 361                                 break;
 362
 363                         default:
 364                                 $formatted = "Unable to format $name";
 365                                 break;
 366                 }
 367
 368                 return $formatted;
 369         }
 370
 371         function getQueryInfo() {
 372                 $info = array(
 373                         'tables' => array( 'ipblocks', 'user' ),
 374                         'fields' => array(
 375                                 'ipb_id',
 376                                 'ipb_address',
 377                                 'ipb_user',
 378                                 'ipb_by',
 379                                 'ipb_by_text',
 380                                 'by_user_name' => 'user_name',
 381                                 'ipb_reason',
 382                                 'ipb_timestamp',
 383                                 'ipb_auto',
 384                                 'ipb_anon_only',
 385                                 'ipb_create_account',
 386                                 'ipb_enable_autoblock',
 387                                 'ipb_expiry',
 388                                 'ipb_range_start',
 389                                 'ipb_range_end',
 390                                 'ipb_deleted',
 391                                 'ipb_block_email',
 392                                 'ipb_allow_usertalk',
 393                         ),
 394                         'conds' => $this->conds,
 395                         'join_conds' => array( 'user' => array( 'LEFT JOIN', 'user_id = ipb_by' ) )
 396                 );
 397
 398                 # Is the user allowed to see hidden blocks?
 399                 if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
 400                         $info['conds']['ipb_deleted'] = 0;
 401                 }
 402
 403                 return $info;
 404         }
 405
 406         public function getTableClass() {
 407                 return 'TablePager mw-blocklist';
 408         }
 409
 410         function getIndexField() {
 411                 return 'ipb_timestamp';
 412         }
 413
 414         function getDefaultSort() {
 415                 return 'ipb_timestamp';
 416         }
 417
 418         function isFieldSortable( $name ) {
 419                 return false;
 420         }
 421
 422         /**
 423          * Do a LinkBatch query to minimise database load when generating all these links
 424          * @param ResultWrapper $result
 425          */
 426         function preprocessResults( $result ) {
 427                 wfProfileIn( __METHOD__ );
 428                 # Do a link batch query
 429                 $lb = new LinkBatch;
 430                 $lb->setCaller( __METHOD__ );
 431
 432                 $userids = array();
 433
 434                 foreach ( $result as $row ) {
 435                         $userids[] = $row->ipb_by;
 436
 437                         # Usernames and titles are in fact related by a simple substitution of space -> underscore
 438                         # The last few lines of Title::secureAndSplit() tell the story.
 439                         $name = str_replace( ' ', '_', $row->ipb_address );
 440                         $lb->add( NS_USER, $name );
 441                         $lb->add( NS_USER_TALK, $name );
 442                 }
 443
 444                 $ua = UserArray::newFromIDs( $userids );
 445                 foreach ( $ua as $user ) {
 446                         $name = str_replace( ' ', '_', $user->getName() );
 447                         $lb->add( NS_USER, $name );
 448                         $lb->add( NS_USER_TALK, $name );
 449                 }
 450
 451                 $lb->execute();
 452                 wfProfileOut( __METHOD__ );
 453         }
 454 }
 455
 456 /**
 457  * Items per page dropdown. Essentially a crap workaround for bug 32603.
 458  */
 459 class HTMLBlockedUsersItemSelect extends HTMLSelectField {
 460         /**
 461          * Basically don't do any validation. If it's a number that's fine. Also,
 462          * add it to the list if it's not there already
 463          *
 464          * @param string $value
 465          * @param array $alldata
 466          * @return bool
 467          */
 468         function validate( $value, $alldata ) {
 469                 if ( $value == '' ) {
 470                         return true;
 471                 }
 472
 473                 // Let folks pick an explicit limit not from our list, as long as it's a real numbr.
 474                 if ( !in_array( $value, $this->mParams['options'] ) && $value == intval( $value ) && $value > 0 ) {
 475                         // This adds the explicitly requested limit value to the drop-down,
 476                         // then makes sure it's sorted correctly so when we output the list
 477                         // later, the custom option doesn't just show up last.
 478                         $this->mParams['options'][$this->mParent->getLanguage()->formatNum( $value )] = intval( $value );
 479                         asort( $this->mParams['options'] );
 480                 }
 481
 482                 return true;
 483         }
 484 }