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   1  <?php
   2  /**
   3   * Implements Special:Newpages
   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 list newly created pages
  26   *
  27   * @ingroup SpecialPage
  28   */
  29  class SpecialNewpages extends IncludableSpecialPage {
  30      /**
  31       * @var FormOptions
  32       */
  33      protected $opts;
  34      protected $customFilters;
  35  
  36      protected $showNavigation = false;
  37  
  38  	public function __construct() {
  39          parent::__construct( 'Newpages' );
  40      }
  41  
  42  	protected function setup( $par ) {
  43          // Options
  44          $opts = new FormOptions();
  45          $this->opts = $opts; // bind
  46          $opts->add( 'hideliu', false );
  47          $opts->add( 'hidepatrolled', $this->getUser()->getBoolOption( 'newpageshidepatrolled' ) );
  48          $opts->add( 'hidebots', false );
  49          $opts->add( 'hideredirs', true );
  50          $opts->add( 'limit', $this->getUser()->getIntOption( 'rclimit' ) );
  51          $opts->add( 'offset', '' );
  52          $opts->add( 'namespace', '0' );
  53          $opts->add( 'username', '' );
  54          $opts->add( 'feed', '' );
  55          $opts->add( 'tagfilter', '' );
  56          $opts->add( 'invert', false );
  57  
  58          $this->customFilters = array();
  59          wfRunHooks( 'SpecialNewPagesFilters', array( $this, &$this->customFilters ) );
  60          foreach ( $this->customFilters as $key => $params ) {
  61              $opts->add( $key, $params['default'] );
  62          }
  63  
  64          // Set values
  65          $opts->fetchValuesFromRequest( $this->getRequest() );
  66          if ( $par ) {
  67              $this->parseParams( $par );
  68          }
  69  
  70          // Validate
  71          $opts->validateIntBounds( 'limit', 0, 5000 );
  72      }
  73  
  74  	protected function parseParams( $par ) {
  75          $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  76          foreach ( $bits as $bit ) {
  77              if ( 'shownav' == $bit ) {
  78                  $this->showNavigation = true;
  79              }
  80              if ( 'hideliu' === $bit ) {
  81                  $this->opts->setValue( 'hideliu', true );
  82              }
  83              if ( 'hidepatrolled' == $bit ) {
  84                  $this->opts->setValue( 'hidepatrolled', true );
  85              }
  86              if ( 'hidebots' == $bit ) {
  87                  $this->opts->setValue( 'hidebots', true );
  88              }
  89              if ( 'showredirs' == $bit ) {
  90                  $this->opts->setValue( 'hideredirs', false );
  91              }
  92              if ( is_numeric( $bit ) ) {
  93                  $this->opts->setValue( 'limit', intval( $bit ) );
  94              }
  95  
  96              $m = array();
  97              if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) {
  98                  $this->opts->setValue( 'limit', intval( $m[1] ) );
  99              }
 100              // PG offsets not just digits!
 101              if ( preg_match( '/^offset=([^=]+)$/', $bit, $m ) ) {
 102                  $this->opts->setValue( 'offset', intval( $m[1] ) );
 103              }
 104              if ( preg_match( '/^username=(.*)$/', $bit, $m ) ) {
 105                  $this->opts->setValue( 'username', $m[1] );
 106              }
 107              if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
 108                  $ns = $this->getLanguage()->getNsIndex( $m[1] );
 109                  if ( $ns !== false ) {
 110                      $this->opts->setValue( 'namespace', $ns );
 111                  }
 112              }
 113          }
 114      }
 115  
 116      /**
 117       * Show a form for filtering namespace and username
 118       *
 119       * @param string $par
 120       */
 121  	public function execute( $par ) {
 122          $out = $this->getOutput();
 123  
 124          $this->setHeaders();
 125          $this->outputHeader();
 126  
 127          $this->showNavigation = !$this->including(); // Maybe changed in setup
 128          $this->setup( $par );
 129  
 130          if ( !$this->including() ) {
 131              // Settings
 132              $this->form();
 133  
 134              $feedType = $this->opts->getValue( 'feed' );
 135              if ( $feedType ) {
 136                  $this->feed( $feedType );
 137  
 138                  return;
 139              }
 140  
 141              $allValues = $this->opts->getAllValues();
 142              unset( $allValues['feed'] );
 143              $out->setFeedAppendQuery( wfArrayToCgi( $allValues ) );
 144          }
 145  
 146          $pager = new NewPagesPager( $this, $this->opts );
 147          $pager->mLimit = $this->opts->getValue( 'limit' );
 148          $pager->mOffset = $this->opts->getValue( 'offset' );
 149  
 150          if ( $pager->getNumRows() ) {
 151              $navigation = '';
 152              if ( $this->showNavigation ) {
 153                  $navigation = $pager->getNavigationBar();
 154              }
 155              $out->addHTML( $navigation . $pager->getBody() . $navigation );
 156          } else {
 157              $out->addWikiMsg( 'specialpage-empty' );
 158          }
 159      }
 160  
 161  	protected function filterLinks() {
 162          // show/hide links
 163          $showhide = array( $this->msg( 'show' )->escaped(), $this->msg( 'hide' )->escaped() );
 164  
 165          // Option value -> message mapping
 166          $filters = array(
 167              'hideliu' => 'rcshowhideliu',
 168              'hidepatrolled' => 'rcshowhidepatr',
 169              'hidebots' => 'rcshowhidebots',
 170              'hideredirs' => 'whatlinkshere-hideredirs'
 171          );
 172          foreach ( $this->customFilters as $key => $params ) {
 173              $filters[$key] = $params['msg'];
 174          }
 175  
 176          // Disable some if needed
 177          if ( !User::groupHasPermission( '*', 'createpage' ) ) {
 178              unset( $filters['hideliu'] );
 179          }
 180          if ( !$this->getUser()->useNPPatrol() ) {
 181              unset( $filters['hidepatrolled'] );
 182          }
 183  
 184          $links = array();
 185          $changed = $this->opts->getChangedValues();
 186          unset( $changed['offset'] ); // Reset offset if query type changes
 187  
 188          $self = $this->getPageTitle();
 189          foreach ( $filters as $key => $msg ) {
 190              $onoff = 1 - $this->opts->getValue( $key );
 191              $link = Linker::link( $self, $showhide[$onoff], array(),
 192                  array( $key => $onoff ) + $changed
 193              );
 194              $links[$key] = $this->msg( $msg )->rawParams( $link )->escaped();
 195          }
 196  
 197          return $this->getLanguage()->pipeList( $links );
 198      }
 199  
 200  	protected function form() {
 201          // Consume values
 202          $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 203          $namespace = $this->opts->consumeValue( 'namespace' );
 204          $username = $this->opts->consumeValue( 'username' );
 205          $tagFilterVal = $this->opts->consumeValue( 'tagfilter' );
 206          $nsinvert = $this->opts->consumeValue( 'invert' );
 207  
 208          // Check username input validity
 209          $ut = Title::makeTitleSafe( NS_USER, $username );
 210          $userText = $ut ? $ut->getText() : '';
 211  
 212          // Store query values in hidden fields so that form submission doesn't lose them
 213          $hidden = array();
 214          foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 215              $hidden[] = Html::hidden( $key, $value );
 216          }
 217          $hidden = implode( "\n", $hidden );
 218  
 219          $tagFilter = ChangeTags::buildTagFilterSelector( $tagFilterVal );
 220          if ( $tagFilter ) {
 221              list( $tagFilterLabel, $tagFilterSelector ) = $tagFilter;
 222          }
 223  
 224          $form = Xml::openElement( 'form', array( 'action' => wfScript() ) ) .
 225              Html::hidden( 'title', $this->getPageTitle()->getPrefixedDBkey() ) .
 226              Xml::fieldset( $this->msg( 'newpages' )->text() ) .
 227              Xml::openElement( 'table', array( 'id' => 'mw-newpages-table' ) ) .
 228              '<tr>
 229                  <td class="mw-label">' .
 230              Xml::label( $this->msg( 'namespace' )->text(), 'namespace' ) .
 231              '</td>
 232              <td class="mw-input">' .
 233              Html::namespaceSelector(
 234                  array(
 235                      'selected' => $namespace,
 236                      'all' => 'all',
 237                  ), array(
 238                      'name' => 'namespace',
 239                      'id' => 'namespace',
 240                      'class' => 'namespaceselector',
 241                  )
 242              ) . '&#160;' .
 243              Xml::checkLabel(
 244                  $this->msg( 'invert' )->text(),
 245                  'invert',
 246                  'nsinvert',
 247                  $nsinvert,
 248                  array( 'title' => $this->msg( 'tooltip-invert' )->text() )
 249              ) .
 250              '</td>
 251              </tr>' . ( $tagFilter ? (
 252              '<tr>
 253                  <td class="mw-label">' .
 254                  $tagFilterLabel .
 255                  '</td>
 256                  <td class="mw-input">' .
 257                  $tagFilterSelector .
 258                  '</td>
 259              </tr>' ) : '' ) .
 260              '<tr>
 261                  <td class="mw-label">' .
 262                      Xml::label( $this->msg( 'newpages-username' )->text(), 'mw-np-username' ) .
 263                      '</td>
 264                  <td class="mw-input">' .
 265                      Xml::input( 'username', 30, $userText, array( 'id' => 'mw-np-username' ) ) .
 266                      '</td>
 267              </tr>' .
 268              '<tr> <td></td>
 269                  <td class="mw-submit">' .
 270              Xml::submitButton( $this->msg( 'allpagessubmit' )->text() ) .
 271              '</td>
 272          </tr>' .
 273              '<tr>
 274                  <td></td>
 275                  <td class="mw-input">' .
 276              $this->filterLinks() .
 277              '</td>
 278              </tr>' .
 279              Xml::closeElement( 'table' ) .
 280              Xml::closeElement( 'fieldset' ) .
 281              $hidden .
 282              Xml::closeElement( 'form' );
 283  
 284          $this->getOutput()->addHTML( $form );
 285      }
 286  
 287      /**
 288       * Format a row, providing the timestamp, links to the page/history,
 289       * size, user links, and a comment
 290       *
 291       * @param object $result Result row
 292       * @return string
 293       */
 294  	public function formatRow( $result ) {
 295          $title = Title::newFromRow( $result );
 296  
 297          # Revision deletion works on revisions, so we should cast one
 298          $row = array(
 299              'comment' => $result->rc_comment,
 300              'deleted' => $result->rc_deleted,
 301              'user_text' => $result->rc_user_text,
 302              'user' => $result->rc_user,
 303          );
 304          $rev = new Revision( $row );
 305          $rev->setTitle( $title );
 306  
 307          $classes = array();
 308  
 309          $lang = $this->getLanguage();
 310          $dm = $lang->getDirMark();
 311  
 312          $spanTime = Html::element( 'span', array( 'class' => 'mw-newpages-time' ),
 313              $lang->userTimeAndDate( $result->rc_timestamp, $this->getUser() )
 314          );
 315          $time = Linker::linkKnown(
 316              $title,
 317              $spanTime,
 318              array(),
 319              array( 'oldid' => $result->rc_this_oldid ),
 320              array()
 321          );
 322  
 323          $query = array( 'redirect' => 'no' );
 324  
 325          // Linker::linkKnown() uses 'known' and 'noclasses' options.
 326          // This breaks the colouration for stubs.
 327          $plink = Linker::link(
 328              $title,
 329              null,
 330              array( 'class' => 'mw-newpages-pagename' ),
 331              $query,
 332              array( 'known' )
 333          );
 334          $histLink = Linker::linkKnown(
 335              $title,
 336              $this->msg( 'hist' )->escaped(),
 337              array(),
 338              array( 'action' => 'history' )
 339          );
 340          $hist = Html::rawElement( 'span', array( 'class' => 'mw-newpages-history' ),
 341              $this->msg( 'parentheses' )->rawParams( $histLink )->escaped() );
 342  
 343          $length = Html::element(
 344              'span',
 345              array( 'class' => 'mw-newpages-length' ),
 346              $this->msg( 'brackets' )->params( $this->msg( 'nbytes' )
 347                  ->numParams( $result->length )->text()
 348              )
 349          );
 350  
 351          $ulink = Linker::revUserTools( $rev );
 352          $comment = Linker::revComment( $rev );
 353  
 354          if ( $this->patrollable( $result ) ) {
 355              $classes[] = 'not-patrolled';
 356          }
 357  
 358          # Add a class for zero byte pages
 359          if ( $result->length == 0 ) {
 360              $classes[] = 'mw-newpages-zero-byte-page';
 361          }
 362  
 363          # Tags, if any.
 364          if ( isset( $result->ts_tags ) ) {
 365              list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow(
 366                  $result->ts_tags,
 367                  'newpages'
 368              );
 369              $classes = array_merge( $classes, $newClasses );
 370          } else {
 371              $tagDisplay = '';
 372          }
 373  
 374          $css = count( $classes ) ? ' class="' . implode( ' ', $classes ) . '"' : '';
 375  
 376          # Display the old title if the namespace/title has been changed
 377          $oldTitleText = '';
 378          $oldTitle = Title::makeTitle( $result->rc_namespace, $result->rc_title );
 379  
 380          if ( !$title->equals( $oldTitle ) ) {
 381              $oldTitleText = $oldTitle->getPrefixedText();
 382              $oldTitleText = $this->msg( 'rc-old-title' )->params( $oldTitleText )->escaped();
 383          }
 384  
 385          return "<li{$css}>{$time} {$dm}{$plink} {$hist} {$dm}{$length} "
 386              . "{$dm}{$ulink} {$comment} {$tagDisplay} {$oldTitleText}</li>\n";
 387      }
 388  
 389      /**
 390       * Should a specific result row provide "patrollable" links?
 391       *
 392       * @param object $result Result row
 393       * @return bool
 394       */
 395  	protected function patrollable( $result ) {
 396          return ( $this->getUser()->useNPPatrol() && !$result->rc_patrolled );
 397      }
 398  
 399      /**
 400       * Output a subscription feed listing recent edits to this page.
 401       *
 402       * @param string $type
 403       */
 404  	protected function feed( $type ) {
 405          if ( !$this->getConfig()->get( 'Feed' ) ) {
 406              $this->getOutput()->addWikiMsg( 'feed-unavailable' );
 407  
 408              return;
 409          }
 410  
 411          $feedClasses = $this->getConfig()->get( 'FeedClasses' );
 412          if ( !isset( $feedClasses[$type] ) ) {
 413              $this->getOutput()->addWikiMsg( 'feed-invalid' );
 414  
 415              return;
 416          }
 417  
 418          $feed = new $feedClasses[$type](
 419              $this->feedTitle(),
 420              $this->msg( 'tagline' )->text(),
 421              $this->getPageTitle()->getFullURL()
 422          );
 423  
 424          $pager = new NewPagesPager( $this, $this->opts );
 425          $limit = $this->opts->getValue( 'limit' );
 426          $pager->mLimit = min( $limit, $this->getConfig()->get( 'FeedLimit' ) );
 427  
 428          $feed->outHeader();
 429          if ( $pager->getNumRows() > 0 ) {
 430              foreach ( $pager->mResult as $row ) {
 431                  $feed->outItem( $this->feedItem( $row ) );
 432              }
 433          }
 434          $feed->outFooter();
 435      }
 436  
 437  	protected function feedTitle() {
 438          $desc = $this->getDescription();
 439          $code = $this->getConfig()->get( 'LanguageCode' );
 440          $sitename = $this->getConfig()->get( 'Sitename' );
 441  
 442          return "$sitename - $desc [$code]";
 443      }
 444  
 445  	protected function feedItem( $row ) {
 446          $title = Title::makeTitle( intval( $row->rc_namespace ), $row->rc_title );
 447          if ( $title ) {
 448              $date = $row->rc_timestamp;
 449              $comments = $title->getTalkPage()->getFullURL();
 450  
 451              return new FeedItem(
 452                  $title->getPrefixedText(),
 453                  $this->feedItemDesc( $row ),
 454                  $title->getFullURL(),
 455                  $date,
 456                  $this->feedItemAuthor( $row ),
 457                  $comments
 458              );
 459          } else {
 460              return null;
 461          }
 462      }
 463  
 464  	protected function feedItemAuthor( $row ) {
 465          return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 466      }
 467  
 468  	protected function feedItemDesc( $row ) {
 469          $revision = Revision::newFromId( $row->rev_id );
 470          if ( $revision ) {
 471              //XXX: include content model/type in feed item?
 472              return '<p>' . htmlspecialchars( $revision->getUserText() ) .
 473                  $this->msg( 'colon-separator' )->inContentLanguage()->escaped() .
 474                  htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 475                  "</p>\n<hr />\n<div>" .
 476                  nl2br( htmlspecialchars( $revision->getContent()->serialize() ) ) . "</div>";
 477          }
 478  
 479          return '';
 480      }
 481  
 482  	protected function getGroupName() {
 483          return 'changes';
 484      }
 485  }
 486  
 487  /**
 488   * @ingroup SpecialPage Pager
 489   */
 490  class NewPagesPager extends ReverseChronologicalPager {
 491      // Stored opts
 492      protected $opts;
 493  
 494      /**
 495       * @var HtmlForm
 496       */
 497      protected $mForm;
 498  
 499  	function __construct( $form, FormOptions $opts ) {
 500          parent::__construct( $form->getContext() );
 501          $this->mForm = $form;
 502          $this->opts = $opts;
 503      }
 504  
 505  	function getQueryInfo() {
 506          $conds = array();
 507          $conds['rc_new'] = 1;
 508  
 509          $namespace = $this->opts->getValue( 'namespace' );
 510          $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 511  
 512          $username = $this->opts->getValue( 'username' );
 513          $user = Title::makeTitleSafe( NS_USER, $username );
 514  
 515          $rcIndexes = array();
 516  
 517          if ( $namespace !== false ) {
 518              if ( $this->opts->getValue( 'invert' ) ) {
 519                  $conds[] = 'rc_namespace != ' . $this->mDb->addQuotes( $namespace );
 520              } else {
 521                  $conds['rc_namespace'] = $namespace;
 522              }
 523          }
 524  
 525          if ( $user ) {
 526              $conds['rc_user_text'] = $user->getText();
 527              $rcIndexes = 'rc_user_text';
 528          } elseif ( User::groupHasPermission( '*', 'createpage' ) &&
 529              $this->opts->getValue( 'hideliu' )
 530          ) {
 531              # If anons cannot make new pages, don't "exclude logged in users"!
 532              $conds['rc_user'] = 0;
 533          }
 534  
 535          # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 536          if ( $this->opts->getValue( 'hidepatrolled' ) && $this->getUser()->useNPPatrol() ) {
 537              $conds['rc_patrolled'] = 0;
 538          }
 539  
 540          if ( $this->opts->getValue( 'hidebots' ) ) {
 541              $conds['rc_bot'] = 0;
 542          }
 543  
 544          if ( $this->opts->getValue( 'hideredirs' ) ) {
 545              $conds['page_is_redirect'] = 0;
 546          }
 547  
 548          // Allow changes to the New Pages query
 549          $tables = array( 'recentchanges', 'page' );
 550          $fields = array(
 551              'rc_namespace', 'rc_title', 'rc_cur_id', 'rc_user', 'rc_user_text',
 552              'rc_comment', 'rc_timestamp', 'rc_patrolled', 'rc_id', 'rc_deleted',
 553              'length' => 'page_len', 'rev_id' => 'page_latest', 'rc_this_oldid',
 554              'page_namespace', 'page_title'
 555          );
 556          $join_conds = array( 'page' => array( 'INNER JOIN', 'page_id=rc_cur_id' ) );
 557  
 558          wfRunHooks( 'SpecialNewpagesConditions',
 559              array( &$this, $this->opts, &$conds, &$tables, &$fields, &$join_conds ) );
 560  
 561          $options = array();
 562  
 563          if ( $rcIndexes ) {
 564              $options = array( 'USE INDEX' => array( 'recentchanges' => $rcIndexes ) );
 565          }
 566  
 567          $info = array(
 568              'tables' => $tables,
 569              'fields' => $fields,
 570              'conds' => $conds,
 571              'options' => $options,
 572              'join_conds' => $join_conds
 573          );
 574  
 575          // Modify query for tags
 576          ChangeTags::modifyDisplayQuery(
 577              $info['tables'],
 578              $info['fields'],
 579              $info['conds'],
 580              $info['join_conds'],
 581              $info['options'],
 582              $this->opts['tagfilter']
 583          );
 584  
 585          return $info;
 586      }
 587  
 588  	function getIndexField() {
 589          return 'rc_timestamp';
 590      }
 591  
 592  	function formatRow( $row ) {
 593          return $this->mForm->formatRow( $row );
 594      }
 595  
 596  	function getStartBody() {
 597          # Do a batch existence check on pages
 598          $linkBatch = new LinkBatch();
 599          foreach ( $this->mResult as $row ) {
 600              $linkBatch->add( NS_USER, $row->rc_user_text );
 601              $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 602              $linkBatch->add( $row->rc_namespace, $row->rc_title );
 603          }
 604          $linkBatch->execute();
 605  
 606          return '<ul>';
 607      }
 608  
 609  	function getEndBody() {
 610          return '</ul>';
 611      }
 612  }