includes/specials/SpecialNewpages.php

   1 <?php
   2 /**
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  */
  19
  20 /**
  21  * implements Special:Newpages
  22  * @ingroup SpecialPage
  23  */
  24 class SpecialNewpages extends IncludableSpecialPage {
  25
  26         // Stored objects
  27         protected $opts, $skin;
  28
  29         // Some internal settings
  30         protected $showNavigation = false;
  31
  32         public function __construct() {
  33                 parent::__construct( 'Newpages' );
  34         }
  35
  36         protected function setup( $par ) {
  37                 global $wgRequest, $wgUser, $wgEnableNewpagesUserFilter;
  38
  39                 // Options
  40                 $opts = new FormOptions();
  41                 $this->opts = $opts; // bind
  42                 $opts->add( 'hideliu', false );
  43                 $opts->add( 'hidepatrolled', $wgUser->getBoolOption( 'newpageshidepatrolled' ) );
  44                 $opts->add( 'hidebots', false );
  45                 $opts->add( 'hideredirs', true );
  46                 $opts->add( 'limit', (int)$wgUser->getOption( 'rclimit' ) );
  47                 $opts->add( 'offset', '' );
  48                 $opts->add( 'namespace', '0' );
  49                 $opts->add( 'username', '' );
  50                 $opts->add( 'feed', '' );
  51                 $opts->add( 'tagfilter', '' );
  52
  53                 // Set values
  54                 $opts->fetchValuesFromRequest( $wgRequest );
  55                 if ( $par ) $this->parseParams( $par );
  56
  57                 // Validate
  58                 $opts->validateIntBounds( 'limit', 0, 5000 );
  59                 if( !$wgEnableNewpagesUserFilter ) {
  60                         $opts->setValue( 'username', '' );
  61                 }
  62
  63                 // Store some objects
  64                 $this->skin = $wgUser->getSkin();
  65         }
  66
  67         protected function parseParams( $par ) {
  68                 global $wgLang;
  69                 $bits = preg_split( '/\s*,\s*/', trim( $par ) );
  70                 foreach ( $bits as $bit ) {
  71                         if ( 'shownav' == $bit )
  72                                 $this->showNavigation = true;
  73                         if ( 'hideliu' === $bit )
  74                                 $this->opts->setValue( 'hideliu', true );
  75                         if ( 'hidepatrolled' == $bit )
  76                                 $this->opts->setValue( 'hidepatrolled', true );
  77                         if ( 'hidebots' == $bit )
  78                                 $this->opts->setValue( 'hidebots', true );
  79                         if ( 'showredirs' == $bit )
  80                                 $this->opts->setValue( 'hideredirs', false );
  81                         if ( is_numeric( $bit ) )
  82                                 $this->opts->setValue( 'limit', intval( $bit ) );
  83
  84                         $m = array();
  85                         if ( preg_match( '/^limit=(\d+)$/', $bit, $m ) )
  86                                 $this->opts->setValue( 'limit', intval($m[1]) );
  87                         // PG offsets not just digits!
  88                         if ( preg_match( '/^offset=([^=]+)$/', $bit, $m ) )
  89                                 $this->opts->setValue( 'offset',  intval($m[1]) );
  90                         if ( preg_match( '/^username=(.*)$/', $bit, $m ) )
  91                                 $this->opts->setValue( 'username', $m[1] );
  92                         if ( preg_match( '/^namespace=(.*)$/', $bit, $m ) ) {
  93                                 $ns = $wgLang->getNsIndex( $m[1] );
  94                                 if( $ns !== false ) {
  95                                         $this->opts->setValue( 'namespace',  $ns );
  96                                 }
  97                         }
  98                 }
  99         }
 100
 101         /**
 102          * Show a form for filtering namespace and username
 103          *
 104          * @param $par String
 105          * @return String
 106          */
 107         public function execute( $par ) {
 108                 global $wgOut;
 109
 110                 $this->setHeaders();
 111                 $this->outputHeader();
 112
 113                 $this->showNavigation = !$this->including(); // Maybe changed in setup
 114                 $this->setup( $par );
 115
 116                 if( !$this->including() ) {
 117                         // Settings
 118                         $this->form();
 119
 120                         $this->setSyndicated();
 121                         $feedType = $this->opts->getValue( 'feed' );
 122                         if( $feedType ) {
 123                                 return $this->feed( $feedType );
 124                         }
 125                 }
 126
 127                 $pager = new NewPagesPager( $this, $this->opts );
 128                 $pager->mLimit = $this->opts->getValue( 'limit' );
 129                 $pager->mOffset = $this->opts->getValue( 'offset' );
 130
 131                 if( $pager->getNumRows() ) {
 132                         $navigation = '';
 133                         if ( $this->showNavigation ) $navigation = $pager->getNavigationBar();
 134                         $wgOut->addHTML( $navigation . $pager->getBody() . $navigation );
 135                 } else {
 136                         $wgOut->addWikiMsg( 'specialpage-empty' );
 137                 }
 138         }
 139
 140         protected function filterLinks() {
 141                 global $wgGroupPermissions, $wgUser, $wgLang;
 142
 143                 // show/hide links
 144                 $showhide = array( wfMsgHtml( 'show' ), wfMsgHtml( 'hide' ) );
 145
 146                 // Option value -> message mapping
 147                 $filters = array(
 148                         'hideliu' => 'rcshowhideliu',
 149                         'hidepatrolled' => 'rcshowhidepatr',
 150                         'hidebots' => 'rcshowhidebots',
 151                         'hideredirs' => 'whatlinkshere-hideredirs'
 152                 );
 153
 154                 // Disable some if needed
 155                 # FIXME: throws E_NOTICEs if not set; and doesn't obey hooks etc
 156                 if ( $wgGroupPermissions['*']['createpage'] !== true )
 157                         unset($filters['hideliu']);
 158
 159                 if ( !$wgUser->useNPPatrol() )
 160                         unset($filters['hidepatrolled']);
 161
 162                 $links = array();
 163                 $changed = $this->opts->getChangedValues();
 164                 unset($changed['offset']); // Reset offset if query type changes
 165
 166                 $self = $this->getTitle();
 167                 foreach ( $filters as $key => $msg ) {
 168                         $onoff = 1 - $this->opts->getValue($key);
 169                         $link = $this->skin->link( $self, $showhide[$onoff], array(),
 170                                  array( $key => $onoff ) + $changed
 171                         );
 172                         $links[$key] = wfMsgHtml( $msg, $link );
 173                 }
 174
 175                 return $wgLang->pipeList( $links );
 176         }
 177
 178         protected function form() {
 179                 global $wgOut, $wgEnableNewpagesUserFilter, $wgScript;
 180
 181                 // Consume values
 182                 $this->opts->consumeValue( 'offset' ); // don't carry offset, DWIW
 183                 $namespace = $this->opts->consumeValue( 'namespace' );
 184                 $username = $this->opts->consumeValue( 'username' );
 185                 $tagFilterVal = $this->opts->consumeValue( 'tagfilter' );
 186
 187                 // Check username input validity
 188                 $ut = Title::makeTitleSafe( NS_USER, $username );
 189                 $userText = $ut ? $ut->getText() : '';
 190
 191                 // Store query values in hidden fields so that form submission doesn't lose them
 192                 $hidden = array();
 193                 foreach ( $this->opts->getUnconsumedValues() as $key => $value ) {
 194                         $hidden[] = Xml::hidden( $key, $value );
 195                 }
 196                 $hidden = implode( "\n", $hidden );
 197
 198                 $tagFilter = ChangeTags::buildTagFilterSelector( $tagFilterVal );
 199                 if ($tagFilter)
 200                         list( $tagFilterLabel, $tagFilterSelector ) = $tagFilter;
 201
 202                 $form = Xml::openElement( 'form', array( 'action' => $wgScript ) ) .
 203                         Xml::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 204                         Xml::fieldset( wfMsg( 'newpages' ) ) .
 205                         Xml::openElement( 'table', array( 'id' => 'mw-newpages-table' ) ) .
 206                         "<tr>
 207                                 <td class='mw-label'>" .
 208                                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) .
 209                                 "</td>
 210                                 <td class='mw-input'>" .
 211                                         Xml::namespaceSelector( $namespace, 'all' ) .
 212                                 "</td>
 213                         </tr>" . ( $tagFilter ? (
 214                         "<tr>
 215                                 <td class='mw-label'>" .
 216                                         $tagFilterLabel .
 217                                 "</td>
 218                                 <td class='mw-input'>" .
 219                                         $tagFilterSelector .
 220                                 "</td>
 221                         </tr>" ) : '' ) .
 222                         ($wgEnableNewpagesUserFilter ?
 223                         "<tr>
 224                                 <td class='mw-label'>" .
 225                                         Xml::label( wfMsg( 'newpages-username' ), 'mw-np-username' ) .
 226                                 "</td>
 227                                 <td class='mw-input'>" .
 228                                         Xml::input( 'username', 30, $userText, array( 'id' => 'mw-np-username' ) ) .
 229                                 "</td>
 230                         </tr>" : "" ) .
 231                         "<tr> <td></td>
 232                                 <td class='mw-submit'>" .
 233                                         Xml::submitButton( wfMsg( 'allpagessubmit' ) ) .
 234                                 "</td>
 235                         </tr>" .
 236                         "<tr>
 237                                 <td></td>
 238                                 <td class='mw-input'>" .
 239                                         $this->filterLinks() .
 240                                 "</td>
 241                         </tr>" .
 242                         Xml::closeElement( 'table' ) .
 243                         Xml::closeElement( 'fieldset' ) .
 244                         $hidden .
 245                         Xml::closeElement( 'form' );
 246
 247                 $wgOut->addHTML( $form );
 248         }
 249
 250         protected function setSyndicated() {
 251                 global $wgOut;
 252                 $wgOut->setSyndicated( true );
 253                 $wgOut->setFeedAppendQuery( wfArrayToCGI( $this->opts->getAllValues() ) );
 254         }
 255
 256         /**
 257          * Format a row, providing the timestamp, links to the page/history, size, user links, and a comment
 258          *
 259          * @param $result Result row
 260          * @return String
 261          */
 262         public function formatRow( $result ) {
 263                 global $wgLang, $wgContLang;
 264
 265                 $classes = array();
 266
 267                 $dm = $wgContLang->getDirMark();
 268
 269                 $title = Title::makeTitleSafe( $result->rc_namespace, $result->rc_title );
 270                 $time = Html::element( 'span', array( 'class' => 'mw-newpages-time' ),
 271                         $wgLang->timeAndDate( $result->rc_timestamp, true )
 272                 );
 273
 274                 $query = array( 'redirect' => 'no' );
 275
 276                 if( $this->patrollable( $result ) )
 277                         $query['rcid'] = $result->rc_id;
 278
 279                 $plink = $this->skin->linkKnown(
 280                         $title,
 281                         null,
 282                         array( 'class' => 'mw-newpages-pagename' ),
 283                         $query
 284                 );
 285                 $histLink = $this->skin->linkKnown(
 286                         $title,
 287                         wfMsgHtml( 'hist' ),
 288                         array(),
 289                         array( 'action' => 'history' )
 290                 );
 291                 $hist = Html::rawElement( 'span', array( 'class' => 'mw-newpages-history' ), wfMsg( 'parentheses', $histLink ) );
 292
 293                 $length = Html::rawElement( 'span', array( 'class' => 'mw-newpages-length' ),
 294                                 '[' . wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ), $wgLang->formatNum( $result->length ) ) .
 295                                 ']'
 296                 );
 297                 $ulink = $this->skin->userLink( $result->rc_user, $result->rc_user_text ) . ' ' .
 298                         $this->skin->userToolLinks( $result->rc_user, $result->rc_user_text );
 299                 $comment = $this->skin->commentBlock( $result->rc_comment );
 300
 301                 if ( $this->patrollable( $result ) ) {
 302                         $classes[] = 'not-patrolled';
 303                 }
 304
 305                 # Add a class for zero byte pages
 306                 if ( $result->length == 0 ) {
 307                         $classes[] = 'mw-newpages-zero-byte-page';
 308                 }
 309
 310                 # Tags, if any. check for including due to bug 23293
 311                 if ( !$this->including() ) {
 312                         list( $tagDisplay, $newClasses ) = ChangeTags::formatSummaryRow( $result->ts_tags, 'newpages' );
 313                         $classes = array_merge( $classes, $newClasses );
 314                 } else {
 315                         $tagDisplay = '';
 316                 }
 317
 318                 $css = count($classes) ? ' class="'.implode( " ", $classes).'"' : '';
 319
 320                 return "<li{$css}>{$time} {$dm}{$plink} {$hist} {$dm}{$length} {$dm}{$ulink} {$comment} {$tagDisplay}</li>\n";
 321         }
 322
 323         /**
 324          * Should a specific result row provide "patrollable" links?
 325          *
 326          * @param $result Result row
 327          * @return Boolean
 328          */
 329         protected function patrollable( $result ) {
 330                 global $wgUser;
 331                 return ( $wgUser->useNPPatrol() && !$result->rc_patrolled );
 332         }
 333
 334         /**
 335          * Output a subscription feed listing recent edits to this page.
 336          *
 337          * @param $type String
 338          */
 339         protected function feed( $type ) {
 340                 global $wgFeed, $wgFeedClasses, $wgFeedLimit, $wgOut;
 341
 342                 if ( !$wgFeed ) {
 343                         $wgOut->addWikiMsg( 'feed-unavailable' );
 344                         return;
 345                 }
 346
 347                 if( !isset( $wgFeedClasses[$type] ) ) {
 348                         $wgOut->addWikiMsg( 'feed-invalid' );
 349                         return;
 350                 }
 351
 352                 $feed = new $wgFeedClasses[$type](
 353                         $this->feedTitle(),
 354                         wfMsgExt( 'tagline', 'parsemag' ),
 355                         $this->getTitle()->getFullUrl() );
 356
 357                 $pager = new NewPagesPager( $this, $this->opts );
 358                 $limit = $this->opts->getValue( 'limit' );
 359                 $pager->mLimit = min( $limit, $wgFeedLimit );
 360
 361                 $feed->outHeader();
 362                 if( $pager->getNumRows() > 0 ) {
 363                         while( $row = $pager->mResult->fetchObject() ) {
 364                                 $feed->outItem( $this->feedItem( $row ) );
 365                         }
 366                 }
 367                 $feed->outFooter();
 368         }
 369
 370         protected function feedTitle() {
 371                 global $wgContLanguageCode, $wgSitename;
 372                 $page = SpecialPage::getPage( 'Newpages' );
 373                 $desc = $page->getDescription();
 374                 return "$wgSitename - $desc [$wgContLanguageCode]";
 375         }
 376
 377         protected function feedItem( $row ) {
 378                 $title = Title::MakeTitle( intval( $row->rc_namespace ), $row->rc_title );
 379                 if( $title ) {
 380                         $date = $row->rc_timestamp;
 381                         $comments = $title->getTalkPage()->getFullURL();
 382
 383                         return new FeedItem(
 384                                 $title->getPrefixedText(),
 385                                 $this->feedItemDesc( $row ),
 386                                 $title->getFullURL(),
 387                                 $date,
 388                                 $this->feedItemAuthor( $row ),
 389                                 $comments);
 390                 } else {
 391                         return null;
 392                 }
 393         }
 394
 395         protected function feedItemAuthor( $row ) {
 396                 return isset( $row->rc_user_text ) ? $row->rc_user_text : '';
 397         }
 398
 399         protected function feedItemDesc( $row ) {
 400                 $revision = Revision::newFromId( $row->rev_id );
 401                 if( $revision ) {
 402                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 403                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 404                                 "</p>\n<hr />\n<div>" .
 405                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 406                 }
 407                 return '';
 408         }
 409 }
 410
 411 /**
 412  * @ingroup SpecialPage Pager
 413  */
 414 class NewPagesPager extends ReverseChronologicalPager {
 415         // Stored opts
 416         protected $opts, $mForm;
 417
 418         function __construct( $form, FormOptions $opts ) {
 419                 parent::__construct();
 420                 $this->mForm = $form;
 421                 $this->opts = $opts;
 422         }
 423
 424         function getTitle() {
 425                 static $title = null;
 426                 if ( $title === null )
 427                         $title = $this->mForm->getTitle();
 428                 return $title;
 429         }
 430
 431         function getQueryInfo() {
 432                 global $wgEnableNewpagesUserFilter, $wgGroupPermissions, $wgUser;
 433                 $conds = array();
 434                 $conds['rc_new'] = 1;
 435
 436                 $namespace = $this->opts->getValue( 'namespace' );
 437                 $namespace = ( $namespace === 'all' ) ? false : intval( $namespace );
 438
 439                 $username = $this->opts->getValue( 'username' );
 440                 $user = Title::makeTitleSafe( NS_USER, $username );
 441
 442                 if( $namespace !== false ) {
 443                         $conds['rc_namespace'] = $namespace;
 444                         $rcIndexes = array( 'new_name_timestamp' );
 445                 } else {
 446                         $rcIndexes = array( 'rc_timestamp' );
 447                 }
 448
 449                 # $wgEnableNewpagesUserFilter - temp WMF hack
 450                 if( $wgEnableNewpagesUserFilter && $user ) {
 451                         $conds['rc_user_text'] = $user->getText();
 452                         $rcIndexes = 'rc_user_text';
 453                 # If anons cannot make new pages, don't "exclude logged in users"!
 454                 } elseif( $wgGroupPermissions['*']['createpage'] && $this->opts->getValue( 'hideliu' ) ) {
 455                         $conds['rc_user'] = 0;
 456                 }
 457                 # If this user cannot see patrolled edits or they are off, don't do dumb queries!
 458                 if( $this->opts->getValue( 'hidepatrolled' ) && $wgUser->useNPPatrol() ) {
 459                         $conds['rc_patrolled'] = 0;
 460                 }
 461                 if( $this->opts->getValue( 'hidebots' ) ) {
 462                         $conds['rc_bot'] = 0;
 463                 }
 464
 465                 if ( $this->opts->getValue( 'hideredirs' ) ) {
 466                         $conds['page_is_redirect'] = 0;
 467                 }
 468
 469                 // Allow changes to the New Pages query
 470                 wfRunHooks('SpecialNewpagesConditions', array(&$this, $this->opts, &$conds));
 471
 472                 $info = array(
 473                         'tables' => array( 'recentchanges', 'page' ),
 474                         'fields' => 'rc_namespace,rc_title, rc_cur_id, rc_user,rc_user_text,rc_comment,
 475                                 rc_timestamp,rc_patrolled,rc_id,page_len as length, page_latest as rev_id, ts_tags',
 476                         'conds' => $conds,
 477                         'options' => array( 'USE INDEX' => array('recentchanges' => $rcIndexes) ),
 478                         'join_conds' => array(
 479                                 'page' => array('INNER JOIN', 'page_id=rc_cur_id'),
 480                         ),
 481                 );
 482
 483                 ## Empty array for fields, it'll be set by us anyway.
 484                 $fields = array();
 485
 486                 ## Modify query for tags
 487                 ChangeTags::modifyDisplayQuery( $info['tables'],
 488                                                                                 $fields,
 489                                                                                 $info['conds'],
 490                                                                                 $info['join_conds'],
 491                                                                                 $info['options'],
 492                                                                                 $this->opts['tagfilter'] );
 493
 494                 return $info;
 495         }
 496
 497         function getIndexField() {
 498                 return 'rc_timestamp';
 499         }
 500
 501         function formatRow( $row ) {
 502                 return $this->mForm->formatRow( $row );
 503         }
 504
 505         function getStartBody() {
 506                 # Do a batch existence check on pages
 507                 $linkBatch = new LinkBatch();
 508                 while( $row = $this->mResult->fetchObject() ) {
 509                         $linkBatch->add( NS_USER, $row->rc_user_text );
 510                         $linkBatch->add( NS_USER_TALK, $row->rc_user_text );
 511                         $linkBatch->add( $row->rc_namespace, $row->rc_title );
 512                 }
 513                 $linkBatch->execute();
 514                 return "<ul>";
 515         }
 516
 517         function getEndBody() {
 518                 return "</ul>";
 519         }
 520 }