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                         $allValues = $this->opts->getAllValues();
 147                         unset( $allValues['feed'] );
 148                         $out->setFeedAppendQuery( wfArrayToCGI( $allValues ) );
 149                 }
 150
 151                 $pager = new NewPagesPager( $this, $this->opts );
 152                 $pager->mLimit = $this->opts->getValue( 'limit' );
 153                 $pager->mOffset = $this->opts->getValue( 'offset' );
 154
 155                 if( $pager->getNumRows() ) {
 156                         $navigation = '';
 157                         if ( $this->showNavigation ) {
 158                                 $navigation = $pager->getNavigationBar();
 159                         }
 160                         $out->addHTML( $navigation . $pager->getBody() . $navigation );
 161                 } else {
 162                         $out->addWikiMsg( 'specialpage-empty' );
 163                 }
 164         }
 165
 166         protected function filterLinks() {
 167                 global $wgGroupPermissions;
 168
 169                 // show/hide links
 170                 $showhide = array( $this->msg( 'show' )->escaped(), $this->msg( 'hide' )->escaped() );
 171
 172                 // Option value -> message mapping
 173                 $filters = array(
 174                         'hideliu' => 'rcshowhideliu',
 175                         'hidepatrolled' => 'rcshowhidepatr',
 176                         'hidebots' => 'rcshowhidebots',
 177                         'hideredirs' => 'whatlinkshere-hideredirs'
 178                 );
 179                 foreach ( $this->customFilters as $key => $params ) {
 180                         $filters[$key] = $params['msg'];
 181                 }
 182
 183                 // Disable some if needed
 184                 # @todo FIXME: Throws E_NOTICEs if not set; and doesn't obey hooks etc.
 185                 if ( $wgGroupPermissions['*']['createpage'] !== true ) {
 186                         unset( $filters['hideliu'] );
 187                 }
 188                 if ( !$this->getUser()->useNPPatrol() ) {
 189                         unset( $filters['hidepatrolled'] );
 190                 }
 191
 192                 $links = array();
 193                 $changed = $this->opts->getChangedValues();
 194                 unset( $changed['offset'] ); // Reset offset if query type changes
 195
 196                 $self = $this->getTitle();
 197                 foreach ( $filters as $key => $msg ) {
 198                         $onoff = 1 - $this->opts->getValue( $key );
 199                         $link = Linker::link( $self, $showhide[$onoff], array(),
 200                                         array( $key => $onoff ) + $changed
 201                         );
 202                         $links[$key] = $this->msg( $msg )->rawParams( $link )->escaped();
 203                 }
 204
 205                 return $this->getLanguage()->pipeList( $links );
 206         }
 207
 208         protected function form() {
 209                 global $wgEnableNewpagesUserFilter, $wgScript;
 210
 211                 // Consume values
 212                 $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 213                 $namespace = $this->opts->consumeValue( 'namespace' );
 214                 $username = $this->opts->consumeValue( 'username' );
 215                 $tagFilterVal = $this->opts->consumeValue( 'tagfilter' );
 216
 217                 // Check username input validity
 218                 $ut = Title::makeTitleSafe( NS_USER, $username );
 219                 $userText = $ut ? $ut->getText() : '';
 220
 221                 // Store query values in hidden fields so that form submission doesn't lose them
 222                 $hidden = array();
 223                 foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 224                         $hidden[] = Html::hidden( $key, $value );
 225                 }
 226                 $hidden = implode( "\n", $hidden );
 227
 228                 $tagFilter = ChangeTags::buildTagFilterSelector( $tagFilterVal );
 229                 if ( $tagFilter ) {
 230                         list( $tagFilterLabel, $tagFilterSelector ) = $tagFilter;
 231                 }
 232
 233                 $form = Xml::openElement( 'form', array( 'action' => $wgScript ) ) .
 234                         Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 235                         Xml::fieldset( $this->msg( 'newpages' )->text() ) .
 236                         Xml::openElement( 'table', array( 'id' => 'mw-newpages-table' ) ) .
 237                         '<tr>
 238                                 <td class="mw-label">' .
 239                                         Xml::label( $this->msg( 'namespace' )->text(), 'namespace' ) .
 240                                 '</td>
 241                                 <td class="mw-input">' .
 242                                         Html::namespaceSelector(
 243                                                 array(
 244                                                         'selected' => $namespace,
 245                                                         'all' => 'all',
 246                                                 ), array(
 247                                                         'name'  => 'namespace',
 248                                                         'id'    => 'namespace',
 249                                                         'class' => 'namespaceselector',
 250                                                 )
 251                                         ) .
 252                                 '</td>
 253                         </tr>' . ( $tagFilter ? (
 254                         '<tr>
 255                                 <td class="mw-label">' .
 256                                         $tagFilterLabel .
 257                                 '</td>
 258                                 <td class="mw-input">' .
 259                                         $tagFilterSelector .
 260                                 '</td>
 261                         </tr>' ) : '' ) .
 262                         ( $wgEnableNewpagesUserFilter ?
 263                         '<tr>
 264                                 <td class="mw-label">' .
 265                                         Xml::label( $this->msg( 'newpages-username' )->text(), 'mw-np-username' ) .
 266                                 '</td>
 267                                 <td class="mw-input">' .
 268                                         Xml::input( 'username', 30, $userText, array( 'id' => 'mw-np-username' ) ) .
 269                                 '</td>
 270                         </tr>' : '' ) .
 271                         '<tr> <td></td>
 272                                 <td class="mw-submit">' .
 273                                         Xml::submitButton( $this->msg( 'allpagessubmit' )->text() ) .
 274                                 '</td>
 275                         </tr>' .
 276                         '<tr>
 277                                 <td></td>
 278                                 <td class="mw-input">' .
 279                                         $this->filterLinks() .
 280                                 '</td>
 281                         </tr>' .
 282                         Xml::closeElement( 'table' ) .
 283                         Xml::closeElement( 'fieldset' ) .
 284                         $hidden .
 285                         Xml::closeElement( 'form' );
 286
 287                 $this->getOutput()->addHTML( $form );
 288         }
 289
 290         /**
 291          * Format a row, providing the timestamp, links to the page/history, size, user links, and a comment
 292          *
 293          * @param $result Result row
 294          * @return String
 295          */
 296         public function formatRow( $result ) {
 297                 $title = Title::newFromRow( $result );
 298
 299                 # Revision deletion works on revisions, so we should cast one
 300                 $row = array(
 301                                           'comment' => $result->rc_comment,
 302                                           'deleted' => $result->rc_deleted,
 303                                           'user_text' => $result->rc_user_text,
 304                                           'user' => $result->rc_user,
 305                                         );
 306                 $rev = new Revision( $row );
 307                 $rev->setTitle( $title );
 308
 309                 $classes = array();
 310
 311                 $lang = $this->getLanguage();
 312                 $dm = $lang->getDirMark();
 313
 314                 $spanTime = Html::element( 'span', array( 'class' => 'mw-newpages-time' ),
 315                         $lang->userTimeAndDate( $result->rc_timestamp, $this->getUser() )
 316                 );
 317                 $time = Linker::linkKnown(
 318                         $title,
 319                         $spanTime,
 320                         array(),
 321                         array( 'oldid' => $result->rc_this_oldid ),
 322                         array()
 323                 );
 324
 325                 $query = array( 'redirect' => 'no' );
 326
 327                 if( $this->patrollable( $result ) ) {
 328                         $query['rcid'] = $result->rc_id;
 329                 }
 330
 331                 $plink = Linker::linkKnown(
 332                         $title,
 333                         null,
 334                         array( 'class' => 'mw-newpages-pagename' ),
 335                         $query,
 336                         array( 'known' ) // Set explicitly to avoid the default of 'known','noclasses'. This breaks the colouration for stubs
 337                 );
 338                 $histLink = Linker::linkKnown(
 339                         $title,
 340                         $this->msg( 'hist' )->escaped(),
 341                         array(),
 342                         array( 'action' => 'history' )
 343                 );
 344                 $hist = Html::rawElement( 'span', array( 'class' => 'mw-newpages-history' ),
 345                         $this->msg( 'parentheses' )->rawParams( $histLink )->escaped() );
 346
 347                 $length = Html::element( 'span', array( 'class' => 'mw-newpages-length' ),
 348                         $this->msg( 'brackets' )->params( $this->msg( 'nbytes' )->numParams( $result->length )->text() )
 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                         $classes[] = 'mw-newpages-zero-byte-page';
 361                 }
 362
 363                 # Tags, if any. check for including due to bug 23293
 364                 if ( !$this->including() ) {
 365                         list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow( $result->ts_tags, 'newpages' );
 366                         $classes = array_merge( $classes, $newClasses );
 367                 } else {
 368                         $tagDisplay = '';
 369                 }
 370
 371                 $css = count( $classes ) ? ' class="' . implode( ' ', $classes ) . '"' : '';
 372
 373                 # Display the old title if the namespace/title has been changed
 374                 $oldTitleText = '';
 375                 $oldTitle = Title::makeTitle( $result->rc_namespace, $result->rc_title );
 376                 if ( !$title->equals( $oldTitle ) ) {
 377                         $oldTitleText = $this->msg( 'rc-old-title' )->params( $oldTitle->getPrefixedText() )->escaped();
 378                 }
 379
 380                 return "<li{$css}>{$time} {$dm}{$plink} {$hist} {$dm}{$length} {$dm}{$ulink} {$comment} {$tagDisplay} {$oldTitleText}</li>\n";
 381         }
 382
 383         /**
 384          * Should a specific result row provide "patrollable" links?
 385          *
 386          * @param $result Result row
 387          * @return Boolean
 388          */
 389         protected function patrollable( $result ) {
 390                 return ( $this->getUser()->useNPPatrol() && !$result->rc_patrolled );
 391         }
 392
 393         /**
 394          * Output a subscription feed listing recent edits to this page.
 395          *
 396          * @param $type String
 397          */
 398         protected function feed( $type ) {
 399                 global $wgFeed, $wgFeedClasses, $wgFeedLimit;
 400
 401                 if ( !$wgFeed ) {
 402                         $this->getOutput()->addWikiMsg( 'feed-unavailable' );
 403                         return;
 404                 }
 405
 406                 if( !isset( $wgFeedClasses[$type] ) ) {
 407                         $this->getOutput()->addWikiMsg( 'feed-invalid' );
 408                         return;
 409                 }
 410
 411                 $feed = new $wgFeedClasses[$type](
 412                         $this->feedTitle(),
 413                         $this->msg( 'tagline' )->text(),
 414                         $this->getTitle()->getFullUrl()
 415                 );
 416
 417                 $pager = new NewPagesPager( $this, $this->opts );
 418                 $limit = $this->opts->getValue( 'limit' );
 419                 $pager->mLimit = min( $limit, $wgFeedLimit );
 420
 421                 $feed->outHeader();
 422                 if( $pager->getNumRows() > 0 ) {
 423                         foreach ( $pager->mResult as $row ) {
 424                                 $feed->outItem( $this->feedItem( $row ) );
 425                         }
 426                 }
 427                 $feed->outFooter();
 428         }
 429
 430         protected function feedTitle() {
 431                 global $wgLanguageCode, $wgSitename;
 432                 $desc = $this->getDescription();
 433                 return "$wgSitename - $desc [$wgLanguageCode]";
 434         }
 435
 436         protected function feedItem( $row ) {
 437                 $title = Title::makeTitle( intval( $row->rc_namespace ), $row->rc_title );
 438                 if( $title ) {
 439                         $date = $row->rc_timestamp;
 440                         $comments = $title->getTalkPage()->getFullURL();
 441
 442                         return new FeedItem(
 443                                 $title->getPrefixedText(),
 444                                 $this->feedItemDesc( $row ),
 445                                 $title->getFullURL(),
 446                                 $date,
 447                                 $this->feedItemAuthor( $row ),
 448                                 $comments
 449                         );
 450                 } else {
 451                         return null;
 452                 }
 453         }
 454
 455         protected function feedItemAuthor( $row ) {
 456                 return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 457         }
 458
 459         protected function feedItemDesc( $row ) {
 460                 $revision = Revision::newFromId( $row->rev_id );
 461                 if( $revision ) {
 462                         //XXX: include content model/type in feed item?
 463                         return '<p>' . htmlspecialchars( $revision->getUserText() ) .
 464                                 $this->msg( 'colon-separator' )->inContentLanguage()->escaped() .
 465                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 466                                 "</p>\n<hr />\n<div>" .
 467                                 nl2br( htmlspecialchars( $revision->getContent()->serialize() ) ) . "</div>";
 468                 }
 469                 return '';
 470         }
 471 }
 472
 473 /**
 474  * @ingroup SpecialPage Pager
 475  */
 476 class NewPagesPager extends ReverseChronologicalPager {
 477         // Stored opts
 478         protected $opts;
 479
 480         /**
 481          * @var HtmlForm
 482          */
 483         protected $mForm;
 484
 485         function __construct( $form, FormOptions $opts ) {
 486                 parent::__construct( $form->getContext() );
 487                 $this->mForm = $form;
 488                 $this->opts = $opts;
 489         }
 490
 491         function getQueryInfo() {
 492                 global $wgEnableNewpagesUserFilter, $wgGroupPermissions;
 493                 $conds = array();
 494                 $conds['rc_new'] = 1;
 495
 496                 $namespace = $this->opts->getValue( 'namespace' );
 497                 $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 498
 499                 $username = $this->opts->getValue( 'username' );
 500                 $user = Title::makeTitleSafe( NS_USER, $username );
 501
 502                 if( $namespace !== false ) {
 503                         $conds['rc_namespace'] = $namespace;
 504                         $rcIndexes = array( 'new_name_timestamp' );
 505                 } else {
 506                         $rcIndexes = array( 'rc_timestamp' );
 507                 }
 508
 509                 # $wgEnableNewpagesUserFilter - temp WMF hack
 510                 if( $wgEnableNewpagesUserFilter && $user ) {
 511                         $conds['rc_user_text'] = $user->getText();
 512                         $rcIndexes = 'rc_user_text';
 513                 # If anons cannot make new pages, don't "exclude logged in users"!
 514                 } elseif( $wgGroupPermissions['*']['createpage'] && $this->opts->getValue( 'hideliu' ) ) {
 515                         $conds['rc_user'] = 0;
 516                 }
 517                 # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 518                 if( $this->opts->getValue( 'hidepatrolled' ) && $this->getUser()->useNPPatrol() ) {
 519                         $conds['rc_patrolled'] = 0;
 520                 }
 521                 if( $this->opts->getValue( 'hidebots' ) ) {
 522                         $conds['rc_bot'] = 0;
 523                 }
 524
 525                 if ( $this->opts->getValue( 'hideredirs' ) ) {
 526                         $conds['page_is_redirect'] = 0;
 527                 }
 528
 529                 // Allow changes to the New Pages query
 530                 $tables = array( 'recentchanges', 'page' );
 531                 $fields = array(
 532                         'rc_namespace', 'rc_title', 'rc_cur_id', 'rc_user', 'rc_user_text',
 533                         'rc_comment', 'rc_timestamp', 'rc_patrolled','rc_id', 'rc_deleted',
 534                         'length' => 'page_len', 'rev_id' => 'page_latest', 'ts_tags', 'rc_this_oldid',
 535                         'page_namespace', 'page_title'
 536                 );
 537                 $join_conds = array( 'page' => array( 'INNER JOIN', 'page_id=rc_cur_id' ) );
 538
 539                 wfRunHooks( 'SpecialNewpagesConditions',
 540                         array( &$this, $this->opts, &$conds, &$tables, &$fields, &$join_conds ) );
 541
 542                 $info = array(
 543                         'tables'         => $tables,
 544                         'fields'         => $fields,
 545                         'conds'          => $conds,
 546                         'options'        => array( 'USE INDEX' => array( 'recentchanges' => $rcIndexes ) ),
 547                         'join_conds' => $join_conds
 548                 );
 549
 550                 // Empty array for fields, it'll be set by us anyway.
 551                 $fields = array();
 552
 553                 // Modify query for tags
 554                 ChangeTags::modifyDisplayQuery(
 555                         $info['tables'],
 556                         $fields,
 557                         $info['conds'],
 558                         $info['join_conds'],
 559                         $info['options'],
 560                         $this->opts['tagfilter']
 561                 );
 562
 563                 return $info;
 564         }
 565
 566         function getIndexField() {
 567                 return 'rc_timestamp';
 568         }
 569
 570         function formatRow( $row ) {
 571                 return $this->mForm->formatRow( $row );
 572         }
 573
 574         function getStartBody() {
 575                 # Do a batch existence check on pages
 576                 $linkBatch = new LinkBatch();
 577                 foreach ( $this->mResult as $row ) {
 578                         $linkBatch->add( NS_USER, $row->rc_user_text );
 579                         $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 580                         $linkBatch->add( $row->rc_namespace, $row->rc_title );
 581                 }
 582                 $linkBatch->execute();
 583                 return '<ul>';
 584         }
 585
 586         function getEndBody() {
 587                 return '</ul>';
 588         }
 589 }