includes/specials/SpecialNewpages.php

   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         // Stored objects
  32
  33         /**
  34          * @var FormOptions
  35          */
  36         protected $opts;
  37         protected $customFilters;
  38
  39         // Some internal settings
  40         protected $showNavigation = false;
  41
  42         public function __construct() {
  43                 parent::__construct( 'Newpages' );
  44         }
  45
  46         protected function setup( $par ) {
  47                 global $wgEnableNewpagesUserFilter;
  48
  49                 // Options
  50                 $opts = new FormOptions();
  51                 $this->opts = $opts; // bind
  52                 $opts->add( 'hideliu', false );
  53                 $opts->add( 'hidepatrolled', $this->getUser()->getBoolOption( 'newpageshidepatrolled' ) );
  54                 $opts->add( 'hidebots', false );
  55                 $opts->add( 'hideredirs', true );
  56                 $opts->add( 'limit', (int)$this->getUser()->getOption( 'rclimit' ) );
  57                 $opts->add( 'offset', '' );
  58                 $opts->add( 'namespace', '0' );
  59                 $opts->add( 'username', '' );
  60                 $opts->add( 'feed', '' );
  61                 $opts->add( 'tagfilter', '' );
  62
  63                 $this->customFilters = array();
  64                 wfRunHooks( 'SpecialNewPagesFilters', array( $this, &$this->customFilters ) );
  65                 foreach( $this->customFilters as $key => $params ) {
  66                         $opts->add( $key, $params['default'] );
  67                 }
  68
  69                 // Set values
  70                 $opts->fetchValuesFromRequest( $this->getRequest() );
  71                 if ( $par ) $this->parseParams( $par );
  72
  73                 // Validate
  74                 $opts->validateIntBounds( 'limit', 0, 5000 );
  75                 if( !$wgEnableNewpagesUserFilter ) {
  76                         $opts->setValue( 'username', '' );
  77                 }
  78         }
  79
  80         protected function parseParams( $par ) {
  81                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  82                 foreach ( $bits as $bit ) {
  83                         if ( 'shownav' == $bit ) {
  84                                 $this->showNavigation = true;
  85                         }
  86                         if ( 'hideliu' === $bit ) {
  87                                 $this->opts->setValue( 'hideliu', true );
  88                         }
  89                         if ( 'hidepatrolled' == $bit ) {
  90                                 $this->opts->setValue( 'hidepatrolled', true );
  91                         }
  92                         if ( 'hidebots' == $bit ) {
  93                                 $this->opts->setValue( 'hidebots', true );
  94                         }
  95                         if ( 'showredirs' == $bit ) {
  96                                 $this->opts->setValue( 'hideredirs', false );
  97                         }
  98                         if ( is_numeric( $bit ) ) {
  99                                 $this->opts->setValue( 'limit', intval( $bit ) );
 100                         }
 101
 102                         $m = array();
 103                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) ) {
 104                                 $this->opts->setValue( 'limit', intval( $m[1] ) );
 105                         }
 106                         // PG offsets not just digits!
 107                         if ( preg_match( '/^offset=([^=]+)$/', $bit, $m ) ) {
 108                                 $this->opts->setValue( 'offset',  intval( $m[1] ) );
 109                         }
 110                         if ( preg_match( '/^username=(.*)$/', $bit, $m ) ) {
 111                                 $this->opts->setValue( 'username', $m[1] );
 112                         }
 113                         if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
 114                                 $ns = $this->getLanguage()->getNsIndex( $m[1] );
 115                                 if( $ns !== false ) {
 116                                         $this->opts->setValue( 'namespace',  $ns );
 117                                 }
 118                         }
 119                 }
 120         }
 121
 122         /**
 123          * Show a form for filtering namespace and username
 124          *
 125          * @param $par String
 126          * @return String
 127          */
 128         public function execute( $par ) {
 129                 $out = $this->getOutput();
 130
 131                 $this->setHeaders();
 132                 $this->outputHeader();
 133
 134                 $this->showNavigation = !$this->including(); // Maybe changed in setup
 135                 $this->setup( $par );
 136
 137                 if( !$this->including() ) {
 138                         // Settings
 139                         $this->form();
 140
 141                         $feedType = $this->opts->getValue( 'feed' );
 142                         if( $feedType ) {
 143                                 return $this->feed( $feedType );
 144                         }
 145
 146                         $out->setFeedAppendQuery( wfArrayToCGI( $this->opts->getAllValues() ) );
 147                 }
 148
 149                 $pager = new NewPagesPager( $this, $this->opts );
 150                 $pager->mLimit = $this->opts->getValue( 'limit' );
 151                 $pager->mOffset = $this->opts->getValue( 'offset' );
 152
 153                 if( $pager->getNumRows() ) {
 154                         $navigation = '';
 155                         if ( $this->showNavigation ) {
 156                                 $navigation = $pager->getNavigationBar();
 157                         }
 158                         $out->addHTML( $navigation . $pager->getBody() . $navigation );
 159                 } else {
 160                         $out->addWikiMsg( 'specialpage-empty' );
 161                 }
 162         }
 163
 164         protected function filterLinks() {
 165                 global $wgGroupPermissions;
 166
 167                 // show/hide links
 168                 $showhide = array( wfMsgHtml( 'show' ), wfMsgHtml( 'hide' ) );
 169
 170                 // Option value -> message mapping
 171                 $filters = array(
 172                         'hideliu' => 'rcshowhideliu',
 173                         'hidepatrolled' => 'rcshowhidepatr',
 174                         'hidebots' => 'rcshowhidebots',
 175                         'hideredirs' => 'whatlinkshere-hideredirs'
 176                 );
 177                 foreach ( $this->customFilters as $key => $params ) {
 178                         $filters[$key] = $params['msg'];
 179                 }
 180
 181                 // Disable some if needed
 182                 # @todo FIXME: Throws E_NOTICEs if not set; and doesn't obey hooks etc.
 183                 if ( $wgGroupPermissions['*']['createpage'] !== true ) {
 184                         unset( $filters['hideliu'] );
 185                 }
 186                 if ( !$this->getUser()->useNPPatrol() ) {
 187                         unset( $filters['hidepatrolled'] );
 188                 }
 189
 190                 $links = array();
 191                 $changed = $this->opts->getChangedValues();
 192                 unset( $changed['offset'] ); // Reset offset if query type changes
 193
 194                 $self = $this->getTitle();
 195                 foreach ( $filters as $key => $msg ) {
 196                         $onoff = 1 - $this->opts->getValue( $key );
 197                         $link = Linker::link( $self, $showhide[$onoff], array(),
 198                                         array( $key => $onoff ) + $changed
 199                         );
 200                         $links[$key] = wfMsgHtml( $msg, $link );
 201                 }
 202
 203                 return $this->getLanguage()->pipeList( $links );
 204         }
 205
 206         protected function form() {
 207                 global $wgEnableNewpagesUserFilter, $wgScript;
 208
 209                 // Consume values
 210                 $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 211                 $namespace = $this->opts->consumeValue( 'namespace' );
 212                 $username = $this->opts->consumeValue( 'username' );
 213                 $tagFilterVal = $this->opts->consumeValue( 'tagfilter' );
 214
 215                 // Check username input validity
 216                 $ut = Title::makeTitleSafe( NS_USER, $username );
 217                 $userText = $ut ? $ut->getText() : '';
 218
 219                 // Store query values in hidden fields so that form submission doesn't lose them
 220                 $hidden = array();
 221                 foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 222                         $hidden[] = Html::hidden( $key, $value );
 223                 }
 224                 $hidden = implode( "\n", $hidden );
 225
 226                 $tagFilter = ChangeTags::buildTagFilterSelector( $tagFilterVal );
 227                 if ( $tagFilter ) {
 228                         list( $tagFilterLabel, $tagFilterSelector ) = $tagFilter;
 229                 }
 230
 231                 $form = Xml::openElement( 'form', array( 'action' => $wgScript ) ) .
 232                         Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 233                         Xml::fieldset( wfMsg( 'newpages' ) ) .
 234                         Xml::openElement( 'table', array( 'id' => 'mw-newpages-table' ) ) .
 235                         '<tr>
 236                                 <td class="mw-label">' .
 237                                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
 238                                 '</td>
 239                                 <td class="mw-input">' .
 240                                         Html::namespaceSelector(
 241                                                 array(
 242                                                         'selected' => $namespace,
 243                                                         'all' => 'all',
 244                                                 ), array(
 245                                                         'name'  => 'namespace',
 246                                                         'id'    => 'namespace',
 247                                                         'class' => 'namespaceselector',
 248                                                 )
 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                         ( $wgEnableNewpagesUserFilter ?
 261                         '<tr>
 262                                 <td class="mw-label">' .
 263                                         Xml::label( wfMsg( 'newpages-username' ), 'mw-np-username' ) .
 264                                 '</td>
 265                                 <td class="mw-input">' .
 266                                         Xml::input( 'username', 30, $userText, array( 'id' => 'mw-np-username' ) ) .
 267                                 '</td>
 268                         </tr>' : '' ) .
 269                         '<tr> <td></td>
 270                                 <td class="mw-submit">' .
 271                                         Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
 272                                 '</td>
 273                         </tr>' .
 274                         '<tr>
 275                                 <td></td>
 276                                 <td class="mw-input">' .
 277                                         $this->filterLinks() .
 278                                 '</td>
 279                         </tr>' .
 280                         Xml::closeElement( 'table' ) .
 281                         Xml::closeElement( 'fieldset' ) .
 282                         $hidden .
 283                         Xml::closeElement( 'form' );
 284
 285                 $this->getOutput()->addHTML( $form );
 286         }
 287
 288         /**
 289          * Format a row, providing the timestamp, links to the page/history, size, user links, and a comment
 290          *
 291          * @param $result Result row
 292          * @return String
 293          */
 294         public function formatRow( $result ) {
 295                 # Revision deletion works on revisions, so we should cast one
 296                 $row = array(
 297                                           'comment' => $result->rc_comment,
 298                                           'deleted' => $result->rc_deleted,
 299                                           'user_text' => $result->rc_user_text,
 300                                           'user' => $result->rc_user,
 301                                         );
 302                 $rev = new Revision( $row );
 303
 304                 $classes = array();
 305
 306                 $lang = $this->getLanguage();
 307                 $dm = $lang->getDirMark();
 308
 309                 $title = Title::newFromRow( $result );
 310                 $spanTime = Html::element( 'span', array( 'class' => 'mw-newpages-time' ),
 311                         $lang->timeanddate( $result->rc_timestamp, true )
 312                 );
 313                 $time = Linker::linkKnown(
 314                         $title,
 315                         $spanTime,
 316                         array(),
 317                         array( 'oldid' => $result->rc_this_oldid ),
 318                         array()
 319                 );
 320
 321                 $query = array( 'redirect' => 'no' );
 322
 323                 if( $this->patrollable( $result ) ) {
 324                         $query['rcid'] = $result->rc_id;
 325                 }
 326
 327                 $plink = Linker::linkKnown(
 328                         $title,
 329                         null,
 330                         array( 'class' => 'mw-newpages-pagename' ),
 331                         $query,
 332                         array( 'known' ) // Set explicitly to avoid the default of 'known','noclasses'. This breaks the colouration for stubs
 333                 );
 334                 $histLink = Linker::linkKnown(
 335                         $title,
 336                         wfMsgHtml( 'hist' ),
 337                         array(),
 338                         array( 'action' => 'history' )
 339                 );
 340                 $hist = Html::rawElement( 'span', array( 'class' => 'mw-newpages-history' ), wfMsg( 'parentheses', $histLink ) );
 341
 342                 $length = Html::element( 'span', array( 'class' => 'mw-newpages-length' ),
 343                                 '[' . $this->msg( 'nbytes' )->numParams( $result->length )->text() . ']'
 344                 );
 345
 346                 $ulink = Linker::revUserTools( $rev );
 347                 $comment = Linker::revComment( $rev );
 348
 349                 if ( $this->patrollable( $result ) ) {
 350                         $classes[] = 'not-patrolled';
 351                 }
 352
 353                 # Add a class for zero byte pages
 354                 if ( $result->length == 0 ) {
 355                         $classes[] = 'mw-newpages-zero-byte-page';
 356                 }
 357
 358                 # Tags, if any. check for including due to bug 23293
 359                 if ( !$this->including() ) {
 360                         list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow( $result->ts_tags, 'newpages' );
 361                         $classes = array_merge( $classes, $newClasses );
 362                 } else {
 363                         $tagDisplay = '';
 364                 }
 365
 366                 $css = count( $classes ) ? ' class="' . implode( ' ', $classes ) . '"' : '';
 367
 368                 # Display the old title if the namespace/title has been changed
 369                 $oldTitleText = '';
 370                 $oldTitle = Title::makeTitle( $result->rc_namespace, $result->rc_title );
 371                 if ( !$title->equals( $oldTitle ) ) {
 372                         $oldTitleText = wfMessage( 'rc-old-title' )->params( $oldTitle->getPrefixedText() )->escaped();
 373                 }
 374
 375                 return "<li{$css}>{$time} {$dm}{$plink} {$hist} {$dm}{$length} {$dm}{$ulink} {$comment} {$tagDisplay} {$oldTitleText}</li>\n";
 376         }
 377
 378         /**
 379          * Should a specific result row provide "patrollable" links?
 380          *
 381          * @param $result Result row
 382          * @return Boolean
 383          */
 384         protected function patrollable( $result ) {
 385                 return ( $this->getUser()->useNPPatrol() && !$result->rc_patrolled );
 386         }
 387
 388         /**
 389          * Output a subscription feed listing recent edits to this page.
 390          *
 391          * @param $type String
 392          */
 393         protected function feed( $type ) {
 394                 global $wgFeed, $wgFeedClasses, $wgFeedLimit;
 395
 396                 if ( !$wgFeed ) {
 397                         $this->getOutput()->addWikiMsg( 'feed-unavailable' );
 398                         return;
 399                 }
 400
 401                 if( !isset( $wgFeedClasses[$type] ) ) {
 402                         $this->getOutput()->addWikiMsg( 'feed-invalid' );
 403                         return;
 404                 }
 405
 406                 $feed = new $wgFeedClasses[$type](
 407                         $this->feedTitle(),
 408                         wfMsgExt( 'tagline', 'parsemag' ),
 409                         $this->getTitle()->getFullUrl()
 410                 );
 411
 412                 $pager = new NewPagesPager( $this, $this->opts );
 413                 $limit = $this->opts->getValue( 'limit' );
 414                 $pager->mLimit = min( $limit, $wgFeedLimit );
 415
 416                 $feed->outHeader();
 417                 if( $pager->getNumRows() > 0 ) {
 418                         foreach ( $pager->mResult as $row ) {
 419                                 $feed->outItem( $this->feedItem( $row ) );
 420                         }
 421                 }
 422                 $feed->outFooter();
 423         }
 424
 425         protected function feedTitle() {
 426                 global $wgLanguageCode, $wgSitename;
 427                 $desc = $this->getDescription();
 428                 return "$wgSitename - $desc [$wgLanguageCode]";
 429         }
 430
 431         protected function feedItem( $row ) {
 432                 $title = Title::MakeTitle( intval( $row->rc_namespace ), $row->rc_title );
 433                 if( $title ) {
 434                         $date = $row->rc_timestamp;
 435                         $comments = $title->getTalkPage()->getFullURL();
 436
 437                         return new FeedItem(
 438                                 $title->getPrefixedText(),
 439                                 $this->feedItemDesc( $row ),
 440                                 $title->getFullURL(),
 441                                 $date,
 442                                 $this->feedItemAuthor( $row ),
 443                                 $comments
 444                         );
 445                 } else {
 446                         return null;
 447                 }
 448         }
 449
 450         protected function feedItemAuthor( $row ) {
 451                 return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 452         }
 453
 454         protected function feedItemDesc( $row ) {
 455                 $revision = Revision::newFromId( $row->rev_id );
 456                 if( $revision ) {
 457                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 458                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 459                                 "</p>\n<hr />\n<div>" .
 460                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 461                 }
 462                 return '';
 463         }
 464 }
 465
 466 /**
 467  * @ingroup SpecialPage Pager
 468  */
 469 class NewPagesPager extends ReverseChronologicalPager {
 470         // Stored opts
 471         protected $opts;
 472
 473         /**
 474          * @var HtmlForm
 475          */
 476         protected $mForm;
 477
 478         function __construct( $form, FormOptions $opts ) {
 479                 parent::__construct( $form->getContext() );
 480                 $this->mForm = $form;
 481                 $this->opts = $opts;
 482         }
 483
 484         function getQueryInfo() {
 485                 global $wgEnableNewpagesUserFilter, $wgGroupPermissions;
 486                 $conds = array();
 487                 $conds['rc_new'] = 1;
 488
 489                 $namespace = $this->opts->getValue( 'namespace' );
 490                 $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 491
 492                 $username = $this->opts->getValue( 'username' );
 493                 $user = Title::makeTitleSafe( NS_USER, $username );
 494
 495                 if( $namespace !== false ) {
 496                         $conds['rc_namespace'] = $namespace;
 497                         $rcIndexes = array( 'new_name_timestamp' );
 498                 } else {
 499                         $rcIndexes = array( 'rc_timestamp' );
 500                 }
 501
 502                 # $wgEnableNewpagesUserFilter - temp WMF hack
 503                 if( $wgEnableNewpagesUserFilter && $user ) {
 504                         $conds['rc_user_text'] = $user->getText();
 505                         $rcIndexes = 'rc_user_text';
 506                 # If anons cannot make new pages, don't "exclude logged in users"!
 507                 } elseif( $wgGroupPermissions['*']['createpage'] && $this->opts->getValue( 'hideliu' ) ) {
 508                         $conds['rc_user'] = 0;
 509                 }
 510                 # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 511                 if( $this->opts->getValue( 'hidepatrolled' ) && $this->getUser()->useNPPatrol() ) {
 512                         $conds['rc_patrolled'] = 0;
 513                 }
 514                 if( $this->opts->getValue( 'hidebots' ) ) {
 515                         $conds['rc_bot'] = 0;
 516                 }
 517
 518                 if ( $this->opts->getValue( 'hideredirs' ) ) {
 519                         $conds['page_is_redirect'] = 0;
 520                 }
 521
 522                 // Allow changes to the New Pages query
 523                 $tables = array( 'recentchanges', 'page' );
 524                 $fields = array(
 525                         'rc_namespace', 'rc_title', 'rc_cur_id', 'rc_user', 'rc_user_text',
 526                         'rc_comment', 'rc_timestamp', 'rc_patrolled','rc_id', 'rc_deleted',
 527                         'page_len AS length', 'page_latest AS rev_id', 'ts_tags', 'rc_this_oldid',
 528                         'page_namespace', 'page_title'
 529                 );
 530                 $join_conds = array( 'page' => array( 'INNER JOIN', 'page_id=rc_cur_id' ) );
 531
 532                 wfRunHooks( 'SpecialNewpagesConditions',
 533                         array( &$this, $this->opts, &$conds, &$tables, &$fields, &$join_conds ) );
 534
 535                 $info = array(
 536                         'tables'         => $tables,
 537                         'fields'         => $fields,
 538                         'conds'          => $conds,
 539                         'options'        => array( 'USE INDEX' => array( 'recentchanges' => $rcIndexes ) ),
 540                         'join_conds' => $join_conds
 541                 );
 542
 543                 // Empty array for fields, it'll be set by us anyway.
 544                 $fields = array();
 545
 546                 // Modify query for tags
 547                 ChangeTags::modifyDisplayQuery(
 548                         $info['tables'],
 549                         $fields,
 550                         $info['conds'],
 551                         $info['join_conds'],
 552                         $info['options'],
 553                         $this->opts['tagfilter']
 554                 );
 555
 556                 return $info;
 557         }
 558
 559         function getIndexField() {
 560                 return 'rc_timestamp';
 561         }
 562
 563         function formatRow( $row ) {
 564                 return $this->mForm->formatRow( $row );
 565         }
 566
 567         function getStartBody() {
 568                 # Do a batch existence check on pages
 569                 $linkBatch = new LinkBatch();
 570                 foreach ( $this->mResult as $row ) {
 571                         $linkBatch->add( NS_USER, $row->rc_user_text );
 572                         $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 573                         $linkBatch->add( $row->rc_namespace, $row->rc_title );
 574                 }
 575                 $linkBatch->execute();
 576                 return '<ul>';
 577         }
 578
 579         function getEndBody() {
 580                 return '</ul>';
 581         }
 582 }