dépôts / lhc / web / wiklou.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Mention translatewiki.net on edits only, when edit a default message
[lhc/web/wiklou.git] / includes / page / Article.php
1 <?php
2 /**
3 * User interface for page actions.
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 */
22
23 /**
24 * Class for viewing MediaWiki article and history.
25 *
26 * This maintains WikiPage functions for backwards compatibility.
27 *
28 * @todo Move and rewrite code to an Action class
29 *
30 * See design.txt for an overview.
31 * Note: edit user interface and cache support functions have been
32 * moved to separate EditPage and HTMLFileCache classes.
33 *
34 * @internal documentation reviewed 15 Mar 2010
35 */
36 class Article implements Page {
37 /** @var IContextSource The context this Article is executed in */
38 protected $mContext;
39
40 /** @var WikiPage The WikiPage object of this instance */
41 protected $mPage;
42
43 /** @var ParserOptions ParserOptions object for $wgUser articles */
44 public $mParserOptions;
45
46 /**
47 * @var string Text of the revision we are working on
48 * @todo BC cruft
49 */
50 public $mContent;
51
52 /**
53 * @var Content Content of the revision we are working on
54 * @since 1.21
55 */
56 public $mContentObject;
57
58 /** @var bool Is the content ($mContent) already loaded? */
59 public $mContentLoaded = false;
60
61 /** @var int|null The oldid of the article that is to be shown, 0 for the current revision */
62 public $mOldId;
63
64 /** @var Title Title from which we were redirected here */
65 public $mRedirectedFrom = null;
66
67 /** @var string|bool URL to redirect to or false if none */
68 public $mRedirectUrl = false;
69
70 /** @var int Revision ID of revision we are working on */
71 public $mRevIdFetched = 0;
72
73 /** @var Revision Revision we are working on */
74 public $mRevision = null;
75
76 /** @var ParserOutput */
77 public $mParserOutput;
78
79 /**
80 * Constructor and clear the article
81 * @param Title $title Reference to a Title object.
82 * @param int $oldId Revision ID, null to fetch from request, zero for current
83 */
84 public function __construct( Title $title, $oldId = null ) {
85 $this->mOldId = $oldId;
86 $this->mPage = $this->newPage( $title );
87 }
88
89 /**
90 * @param Title $title
91 * @return WikiPage
92 */
93 protected function newPage( Title $title ) {
94 return new WikiPage( $title );
95 }
96
97 /**
98 * Constructor from a page id
99 * @param int $id Article ID to load
100 * @return Article|null
101 */
102 public static function newFromID( $id ) {
103 $t = Title::newFromID( $id );
104 # @todo FIXME: Doesn't inherit right
105 return $t == null ? null : new self( $t );
106 # return $t == null ? null : new static( $t ); // PHP 5.3
107 }
108
109 /**
110 * Create an Article object of the appropriate class for the given page.
111 *
112 * @param Title $title
113 * @param IContextSource $context
114 * @return Article
115 */
116 public static function newFromTitle( $title, IContextSource $context ) {
117 if ( NS_MEDIA == $title->getNamespace() ) {
118 // FIXME: where should this go?
119 $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
120 }
121
122 $page = null;
123 wfRunHooks( 'ArticleFromTitle', array( &$title, &$page, $context ) );
124 if ( !$page ) {
125 switch ( $title->getNamespace() ) {
126 case NS_FILE:
127 $page = new ImagePage( $title );
128 break;
129 case NS_CATEGORY:
130 $page = new CategoryPage( $title );
131 break;
132 default:
133 $page = new Article( $title );
134 }
135 }
136 $page->setContext( $context );
137
138 return $page;
139 }
140
141 /**
142 * Create an Article object of the appropriate class for the given page.
143 *
144 * @param WikiPage $page
145 * @param IContextSource $context
146 * @return Article
147 */
148 public static function newFromWikiPage( WikiPage $page, IContextSource $context ) {
149 $article = self::newFromTitle( $page->getTitle(), $context );
150 $article->mPage = $page; // override to keep process cached vars
151 return $article;
152 }
153
154 /**
155 * Tell the page view functions that this view was redirected
156 * from another page on the wiki.
157 * @param Title $from
158 */
159 public function setRedirectedFrom( Title $from ) {
160 $this->mRedirectedFrom = $from;
161 }
162
163 /**
164 * Get the title object of the article
165 *
166 * @return Title Title object of this page
167 */
168 public function getTitle() {
169 return $this->mPage->getTitle();
170 }
171
172 /**
173 * Get the WikiPage object of this instance
174 *
175 * @since 1.19
176 * @return WikiPage
177 */
178 public function getPage() {
179 return $this->mPage;
180 }
181
182 /**
183 * Clear the object
184 */
185 public function clear() {
186 $this->mContentLoaded = false;
187
188 $this->mRedirectedFrom = null; # Title object if set
189 $this->mRevIdFetched = 0;
190 $this->mRedirectUrl = false;
191
192 $this->mPage->clear();
193 }
194
195 /**
196 * Note that getContent/loadContent do not follow redirects anymore.
197 * If you need to fetch redirectable content easily, try
198 * the shortcut in WikiPage::getRedirectTarget()
199 *
200 * This function has side effects! Do not use this function if you
201 * only want the real revision text if any.
202 *
203 * @deprecated since 1.21; use WikiPage::getContent() instead
204 *
205 * @return string Return the text of this revision
206 */
207 public function getContent() {
208 ContentHandler::deprecated( __METHOD__, '1.21' );
209 $content = $this->getContentObject();
210 return ContentHandler::getContentText( $content );
211 }
212
213 /**
214 * Returns a Content object representing the pages effective display content,
215 * not necessarily the revision's content!
216 *
217 * Note that getContent/loadContent do not follow redirects anymore.
218 * If you need to fetch redirectable content easily, try
219 * the shortcut in WikiPage::getRedirectTarget()
220 *
221 * This function has side effects! Do not use this function if you
222 * only want the real revision text if any.
223 *
224 * @return Content Return the content of this revision
225 *
226 * @since 1.21
227 */
228 protected function getContentObject() {
229 wfProfileIn( __METHOD__ );
230
231 if ( $this->mPage->getID() === 0 ) {
232 # If this is a MediaWiki:x message, then load the messages
233 # and return the message value for x.
234 if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI ) {
235 $text = $this->getTitle()->getDefaultMessageText();
236 if ( $text === false ) {
237 $text = '';
238 }
239
240 $content = ContentHandler::makeContent( $text, $this->getTitle() );
241 } else {
242 $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
243 $content = new MessageContent( $message, null, 'parsemag' );
244 }
245 } else {
246 $this->fetchContentObject();
247 $content = $this->mContentObject;
248 }
249
250 wfProfileOut( __METHOD__ );
251 return $content;
252 }
253
254 /**
255 * @return int The oldid of the article that is to be shown, 0 for the current revision
256 */
257 public function getOldID() {
258 if ( is_null( $this->mOldId ) ) {
259 $this->mOldId = $this->getOldIDFromRequest();
260 }
261
262 return $this->mOldId;
263 }
264
265 /**
266 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
267 *
268 * @return int The old id for the request
269 */
270 public function getOldIDFromRequest() {
271 $this->mRedirectUrl = false;
272
273 $request = $this->getContext()->getRequest();
274 $oldid = $request->getIntOrNull( 'oldid' );
275
276 if ( $oldid === null ) {
277 return 0;
278 }
279
280 if ( $oldid !== 0 ) {
281 # Load the given revision and check whether the page is another one.
282 # In that case, update this instance to reflect the change.
283 if ( $oldid === $this->mPage->getLatest() ) {
284 $this->mRevision = $this->mPage->getRevision();
285 } else {
286 $this->mRevision = Revision::newFromId( $oldid );
287 if ( $this->mRevision !== null ) {
288 // Revision title doesn't match the page title given?
289 if ( $this->mPage->getID() != $this->mRevision->getPage() ) {
290 $function = array( get_class( $this->mPage ), 'newFromID' );
291 $this->mPage = call_user_func( $function, $this->mRevision->getPage() );
292 }
293 }
294 }
295 }
296
297 if ( $request->getVal( 'direction' ) == 'next' ) {
298 $nextid = $this->getTitle()->getNextRevisionID( $oldid );
299 if ( $nextid ) {
300 $oldid = $nextid;
301 $this->mRevision = null;
302 } else {
303 $this->mRedirectUrl = $this->getTitle()->getFullURL( 'redirect=no' );
304 }
305 } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
306 $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
307 if ( $previd ) {
308 $oldid = $previd;
309 $this->mRevision = null;
310 }
311 }
312
313 return $oldid;
314 }
315
316 /**
317 * Load the revision (including text) into this object
318 *
319 * @deprecated since 1.19; use fetchContent()
320 */
321 function loadContent() {
322 wfDeprecated( __METHOD__, '1.19' );
323 $this->fetchContent();
324 }
325
326 /**
327 * Get text of an article from database
328 * Does *NOT* follow redirects.
329 *
330 * @protected
331 * @note This is really internal functionality that should really NOT be
332 * used by other functions. For accessing article content, use the WikiPage
333 * class, especially WikiBase::getContent(). However, a lot of legacy code
334 * uses this method to retrieve page text from the database, so the function
335 * has to remain public for now.
336 *
337 * @return string|bool String containing article contents, or false if null
338 * @deprecated since 1.21, use WikiPage::getContent() instead
339 */
340 function fetchContent() { #BC cruft!
341 ContentHandler::deprecated( __METHOD__, '1.21' );
342
343 if ( $this->mContentLoaded && $this->mContent ) {
344 return $this->mContent;
345 }
346
347 wfProfileIn( __METHOD__ );
348
349 $content = $this->fetchContentObject();
350
351 if ( !$content ) {
352 wfProfileOut( __METHOD__ );
353 return false;
354 }
355
356 // @todo Get rid of mContent everywhere!
357 $this->mContent = ContentHandler::getContentText( $content );
358 ContentHandler::runLegacyHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) );
359
360 wfProfileOut( __METHOD__ );
361
362 return $this->mContent;
363 }
364
365 /**
366 * Get text content object
367 * Does *NOT* follow redirects.
368 * @todo When is this null?
369 *
370 * @note Code that wants to retrieve page content from the database should
371 * use WikiPage::getContent().
372 *
373 * @return Content|null|bool
374 *
375 * @since 1.21
376 */
377 protected function fetchContentObject() {
378 if ( $this->mContentLoaded ) {
379 return $this->mContentObject;
380 }
381
382 wfProfileIn( __METHOD__ );
383
384 $this->mContentLoaded = true;
385 $this->mContent = null;
386
387 $oldid = $this->getOldID();
388
389 # Pre-fill content with error message so that if something
390 # fails we'll have something telling us what we intended.
391 //XXX: this isn't page content but a UI message. horrible.
392 $this->mContentObject = new MessageContent( 'missing-revision', array( $oldid ), array() );
393
394 if ( $oldid ) {
395 # $this->mRevision might already be fetched by getOldIDFromRequest()
396 if ( !$this->mRevision ) {
397 $this->mRevision = Revision::newFromId( $oldid );
398 if ( !$this->mRevision ) {
399 wfDebug( __METHOD__ . " failed to retrieve specified revision, id $oldid\n" );
400 wfProfileOut( __METHOD__ );
401 return false;
402 }
403 }
404 } else {
405 if ( !$this->mPage->getLatest() ) {
406 wfDebug( __METHOD__ . " failed to find page data for title " .
407 $this->getTitle()->getPrefixedText() . "\n" );
408 wfProfileOut( __METHOD__ );
409 return false;
410 }
411
412 $this->mRevision = $this->mPage->getRevision();
413
414 if ( !$this->mRevision ) {
415 wfDebug( __METHOD__ . " failed to retrieve current page, rev_id " .
416 $this->mPage->getLatest() . "\n" );
417 wfProfileOut( __METHOD__ );
418 return false;
419 }
420 }
421
422 // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
423 // We should instead work with the Revision object when we need it...
424 // Loads if user is allowed
425 $this->mContentObject = $this->mRevision->getContent(
426 Revision::FOR_THIS_USER,
427 $this->getContext()->getUser()
428 );
429 $this->mRevIdFetched = $this->mRevision->getId();
430
431 wfRunHooks( 'ArticleAfterFetchContentObject', array( &$this, &$this->mContentObject ) );
432
433 wfProfileOut( __METHOD__ );
434
435 return $this->mContentObject;
436 }
437
438 /**
439 * Returns true if the currently-referenced revision is the current edit
440 * to this page (and it exists).
441 * @return bool
442 */
443 public function isCurrent() {
444 # If no oldid, this is the current version.
445 if ( $this->getOldID() == 0 ) {
446 return true;
447 }
448
449 return $this->mPage->exists() && $this->mRevision && $this->mRevision->isCurrent();
450 }
451
452 /**
453 * Get the fetched Revision object depending on request parameters or null
454 * on failure.
455 *
456 * @since 1.19
457 * @return Revision|null
458 */
459 public function getRevisionFetched() {
460 $this->fetchContentObject();
461
462 return $this->mRevision;
463 }
464
465 /**
466 * Use this to fetch the rev ID used on page views
467 *
468 * @return int Revision ID of last article revision
469 */
470 public function getRevIdFetched() {
471 if ( $this->mRevIdFetched ) {
472 return $this->mRevIdFetched;
473 } else {
474 return $this->mPage->getLatest();
475 }
476 }
477
478 /**
479 * This is the default action of the index.php entry point: just view the
480 * page of the given title.
481 */
482 public function view() {
483 global $wgUseFileCache, $wgUseETag, $wgDebugToolbar, $wgMaxRedirects;
484
485 wfProfileIn( __METHOD__ );
486
487 # Get variables from query string
488 # As side effect this will load the revision and update the title
489 # in a revision ID is passed in the request, so this should remain
490 # the first call of this method even if $oldid is used way below.
491 $oldid = $this->getOldID();
492
493 $user = $this->getContext()->getUser();
494 # Another whitelist check in case getOldID() is altering the title
495 $permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $user );
496 if ( count( $permErrors ) ) {
497 wfDebug( __METHOD__ . ": denied on secondary read check\n" );
498 wfProfileOut( __METHOD__ );
499 throw new PermissionsError( 'read', $permErrors );
500 }
501
502 $outputPage = $this->getContext()->getOutput();
503 # getOldID() may as well want us to redirect somewhere else
504 if ( $this->mRedirectUrl ) {
505 $outputPage->redirect( $this->mRedirectUrl );
506 wfDebug( __METHOD__ . ": redirecting due to oldid\n" );
507 wfProfileOut( __METHOD__ );
508
509 return;
510 }
511
512 # If we got diff in the query, we want to see a diff page instead of the article.
513 if ( $this->getContext()->getRequest()->getCheck( 'diff' ) ) {
514 wfDebug( __METHOD__ . ": showing diff page\n" );
515 $this->showDiffPage();
516 wfProfileOut( __METHOD__ );
517
518 return;
519 }
520
521 # Set page title (may be overridden by DISPLAYTITLE)
522 $outputPage->setPageTitle( $this->getTitle()->getPrefixedText() );
523
524 $outputPage->setArticleFlag( true );
525 # Allow frames by default
526 $outputPage->allowClickjacking();
527
528 $parserCache = ParserCache::singleton();
529
530 $parserOptions = $this->getParserOptions();
531 # Render printable version, use printable version cache
532 if ( $outputPage->isPrintable() ) {
533 $parserOptions->setIsPrintable( true );
534 $parserOptions->setEditSection( false );
535 } elseif ( !$this->isCurrent() || !$this->getTitle()->quickUserCan( 'edit', $user ) ) {
536 $parserOptions->setEditSection( false );
537 }
538
539 # Try client and file cache
540 if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage->checkTouched() ) {
541 if ( $wgUseETag ) {
542 $outputPage->setETag( $parserCache->getETag( $this, $parserOptions ) );
543 }
544
545 # Use the greatest of the page's timestamp or the timestamp of any
546 # redirect in the chain (bug 67849)
547 $timestamp = $this->mPage->getTouched();
548 if ( isset( $this->mRedirectedFrom ) ) {
549 $timestamp = max( $timestamp, $this->mRedirectedFrom->getTouched() );
550
551 # If there can be more than one redirect in the chain, we have
552 # to go through the whole chain too in case an intermediate
553 # redirect was changed.
554 if ( $wgMaxRedirects > 1 ) {
555 $titles = Revision::newFromTitle( $this->mRedirectedFrom )
556 ->getContent( Revision::FOR_THIS_USER, $user )
557 ->getRedirectChain();
558 $thisTitle = $this->getTitle();
559 foreach ( $titles as $title ) {
560 if ( Title::compare( $title, $thisTitle ) === 0 ) {
561 break;
562 }
563 $timestamp = max( $timestamp, $title->getTouched() );
564 }
565 }
566 }
567
568 # Is it client cached?
569 if ( $outputPage->checkLastModified( $timestamp ) ) {
570 wfDebug( __METHOD__ . ": done 304\n" );
571 wfProfileOut( __METHOD__ );
572
573 return;
574 # Try file cache
575 } elseif ( $wgUseFileCache && $this->tryFileCache() ) {
576 wfDebug( __METHOD__ . ": done file cache\n" );
577 # tell wgOut that output is taken care of
578 $outputPage->disable();
579 $this->mPage->doViewUpdates( $user, $oldid );
580 wfProfileOut( __METHOD__ );
581
582 return;
583 }
584 }
585
586 # Should the parser cache be used?
587 $useParserCache = $this->mPage->isParserCacheUsed( $parserOptions, $oldid );
588 wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
589 if ( $user->getStubThreshold() ) {
590 wfIncrStats( 'pcache_miss_stub' );
591 }
592
593 $this->showRedirectedFromHeader();
594 $this->showNamespaceHeader();
595
596 # Iterate through the possible ways of constructing the output text.
597 # Keep going until $outputDone is set, or we run out of things to do.
598 $pass = 0;
599 $outputDone = false;
600 $this->mParserOutput = false;
601
602 while ( !$outputDone && ++$pass ) {
603 switch ( $pass ) {
604 case 1:
605 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
606 break;
607 case 2:
608 # Early abort if the page doesn't exist
609 if ( !$this->mPage->exists() ) {
610 wfDebug( __METHOD__ . ": showing missing article\n" );
611 $this->showMissingArticle();
612 $this->mPage->doViewUpdates( $user );
613 wfProfileOut( __METHOD__ );
614 return;
615 }
616
617 # Try the parser cache
618 if ( $useParserCache ) {
619 $this->mParserOutput = $parserCache->get( $this, $parserOptions );
620
621 if ( $this->mParserOutput !== false ) {
622 if ( $oldid ) {
623 wfDebug( __METHOD__ . ": showing parser cache contents for current rev permalink\n" );
624 $this->setOldSubtitle( $oldid );
625 } else {
626 wfDebug( __METHOD__ . ": showing parser cache contents\n" );
627 }
628 $outputPage->addParserOutput( $this->mParserOutput );
629 # Ensure that UI elements requiring revision ID have
630 # the correct version information.
631 $outputPage->setRevisionId( $this->mPage->getLatest() );
632 # Preload timestamp to avoid a DB hit
633 $cachedTimestamp = $this->mParserOutput->getTimestamp();
634 if ( $cachedTimestamp !== null ) {
635 $outputPage->setRevisionTimestamp( $cachedTimestamp );
636 $this->mPage->setTimestamp( $cachedTimestamp );
637 }
638 $outputDone = true;
639 }
640 }
641 break;
642 case 3:
643 # This will set $this->mRevision if needed
644 $this->fetchContentObject();
645
646 # Are we looking at an old revision
647 if ( $oldid && $this->mRevision ) {
648 $this->setOldSubtitle( $oldid );
649
650 if ( !$this->showDeletedRevisionHeader() ) {
651 wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
652 wfProfileOut( __METHOD__ );
653 return;
654 }
655 }
656
657 # Ensure that UI elements requiring revision ID have
658 # the correct version information.
659 $outputPage->setRevisionId( $this->getRevIdFetched() );
660 # Preload timestamp to avoid a DB hit
661 $outputPage->setRevisionTimestamp( $this->getTimestamp() );
662
663 # Pages containing custom CSS or JavaScript get special treatment
664 if ( $this->getTitle()->isCssOrJsPage() || $this->getTitle()->isCssJsSubpage() ) {
665 wfDebug( __METHOD__ . ": showing CSS/JS source\n" );
666 $this->showCssOrJsPage();
667 $outputDone = true;
668 } elseif ( !wfRunHooks( 'ArticleContentViewCustom',
669 array( $this->fetchContentObject(), $this->getTitle(), $outputPage ) ) ) {
670
671 # Allow extensions do their own custom view for certain pages
672 $outputDone = true;
673 } elseif ( !ContentHandler::runLegacyHooks( 'ArticleViewCustom',
674 array( $this->fetchContentObject(), $this->getTitle(), $outputPage ) ) ) {
675
676 # Allow extensions do their own custom view for certain pages
677 $outputDone = true;
678 }
679 break;
680 case 4:
681 # Run the parse, protected by a pool counter
682 wfDebug( __METHOD__ . ": doing uncached parse\n" );
683
684 $content = $this->getContentObject();
685 $poolArticleView = new PoolWorkArticleView( $this->getPage(), $parserOptions,
686 $this->getRevIdFetched(), $useParserCache, $content );
687
688 if ( !$poolArticleView->execute() ) {
689 $error = $poolArticleView->getError();
690 if ( $error ) {
691 $outputPage->clearHTML(); // for release() errors
692 $outputPage->enableClientCache( false );
693 $outputPage->setRobotPolicy( 'noindex,nofollow' );
694
695 $errortext = $error->getWikiText( false, 'view-pool-error' );
696 $outputPage->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
697 }
698 # Connection or timeout error
699 wfProfileOut( __METHOD__ );
700 return;
701 }
702
703 $this->mParserOutput = $poolArticleView->getParserOutput();
704 $outputPage->addParserOutput( $this->mParserOutput );
705 if ( $content->getRedirectTarget() ) {
706 $outputPage->addSubtitle(
707 "<span id=\"redirectsub\">" . wfMessage( 'redirectpagesub' )->parse() . "</span>"
708 );
709 }
710
711 # Don't cache a dirty ParserOutput object
712 if ( $poolArticleView->getIsDirty() ) {
713 $outputPage->setSquidMaxage( 0 );
714 $outputPage->addHTML( "<!-- parser cache is expired, " .
715 "sending anyway due to pool overload-->\n" );
716 }
717
718 $outputDone = true;
719 break;
720 # Should be unreachable, but just in case...
721 default:
722 break 2;
723 }
724 }
725
726 # Get the ParserOutput actually *displayed* here.
727 # Note that $this->mParserOutput is the *current* version output.
728 $pOutput = ( $outputDone instanceof ParserOutput )
729 ? $outputDone // object fetched by hook
730 : $this->mParserOutput;
731
732 # Adjust title for main page & pages with displaytitle
733 if ( $pOutput ) {
734 $this->adjustDisplayTitle( $pOutput );
735 }
736
737 # For the main page, overwrite the <title> element with the con-
738 # tents of 'pagetitle-view-mainpage' instead of the default (if
739 # that's not empty).
740 # This message always exists because it is in the i18n files
741 if ( $this->getTitle()->isMainPage() ) {
742 $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
743 if ( !$msg->isDisabled() ) {
744 $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
745 }
746 }
747
748 # Check for any __NOINDEX__ tags on the page using $pOutput
749 $policy = $this->getRobotPolicy( 'view', $pOutput );
750 $outputPage->setIndexPolicy( $policy['index'] );
751 $outputPage->setFollowPolicy( $policy['follow'] );
752
753 $this->showViewFooter();
754 $this->mPage->doViewUpdates( $user, $oldid );
755
756 $outputPage->addModules( 'mediawiki.action.view.postEdit' );
757
758 wfProfileOut( __METHOD__ );
759 }
760
761 /**
762 * Adjust title for pages with displaytitle, -{T|}- or language conversion
763 * @param ParserOutput $pOutput
764 */
765 public function adjustDisplayTitle( ParserOutput $pOutput ) {
766 # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
767 $titleText = $pOutput->getTitleText();
768 if ( strval( $titleText ) !== '' ) {
769 $this->getContext()->getOutput()->setPageTitle( $titleText );
770 }
771 }
772
773 /**
774 * Show a diff page according to current request variables. For use within
775 * Article::view() only, other callers should use the DifferenceEngine class.
776 *
777 * @todo Make protected
778 */
779 public function showDiffPage() {
780 $request = $this->getContext()->getRequest();
781 $user = $this->getContext()->getUser();
782 $diff = $request->getVal( 'diff' );
783 $rcid = $request->getVal( 'rcid' );
784 $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
785 $purge = $request->getVal( 'action' ) == 'purge';
786 $unhide = $request->getInt( 'unhide' ) == 1;
787 $oldid = $this->getOldID();
788
789 $rev = $this->getRevisionFetched();
790
791 if ( !$rev ) {
792 $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' ) );
793 $msg = $this->getContext()->msg( 'difference-missing-revision' )
794 ->params( $oldid )
795 ->numParams( 1 )
796 ->parseAsBlock();
797 $this->getContext()->getOutput()->addHtml( $msg );
798 return;
799 }
800
801 $contentHandler = $rev->getContentHandler();
802 $de = $contentHandler->createDifferenceEngine(
803 $this->getContext(),
804 $oldid,
805 $diff,
806 $rcid,
807 $purge,
808 $unhide
809 );
810
811 // DifferenceEngine directly fetched the revision:
812 $this->mRevIdFetched = $de->mNewid;
813 $de->showDiffPage( $diffOnly );
814
815 // Run view updates for the newer revision being diffed (and shown
816 // below the diff if not $diffOnly).
817 list( $old, $new ) = $de->mapDiffPrevNext( $oldid, $diff );
818 // New can be false, convert it to 0 - this conveniently means the latest revision
819 $this->mPage->doViewUpdates( $user, (int)$new );
820 }
821
822 /**
823 * Show a page view for a page formatted as CSS or JavaScript. To be called by
824 * Article::view() only.
825 *
826 * This exists mostly to serve the deprecated ShowRawCssJs hook (used to customize these views).
827 * It has been replaced by the ContentGetParserOutput hook, which lets you do the same but with
828 * more flexibility.
829 *
830 * @param bool $showCacheHint Whether to show a message telling the user
831 * to clear the browser cache (default: true).
832 */
833 protected function showCssOrJsPage( $showCacheHint = true ) {
834 $outputPage = $this->getContext()->getOutput();
835
836 if ( $showCacheHint ) {
837 $dir = $this->getContext()->getLanguage()->getDir();
838 $lang = $this->getContext()->getLanguage()->getCode();
839
840 $outputPage->wrapWikiMsg(
841 "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
842 'clearyourcache'
843 );
844 }
845
846 $this->fetchContentObject();
847
848 if ( $this->mContentObject ) {
849 // Give hooks a chance to customise the output
850 if ( ContentHandler::runLegacyHooks(
851 'ShowRawCssJs',
852 array( $this->mContentObject, $this->getTitle(), $outputPage ) )
853 ) {
854 // If no legacy hooks ran, display the content of the parser output, including RL modules,
855 // but excluding metadata like categories and language links
856 $po = $this->mContentObject->getParserOutput( $this->getTitle() );
857 $outputPage->addParserOutputContent( $po );
858 }
859 }
860 }
861
862 /**
863 * Get the robot policy to be used for the current view
864 * @param string $action The action= GET parameter
865 * @param ParserOutput|null $pOutput
866 * @return array The policy that should be set
867 * @todo actions other than 'view'
868 */
869 public function getRobotPolicy( $action, $pOutput = null ) {
870 global $wgArticleRobotPolicies, $wgNamespaceRobotPolicies, $wgDefaultRobotPolicy;
871
872 $ns = $this->getTitle()->getNamespace();
873
874 # Don't index user and user talk pages for blocked users (bug 11443)
875 if ( ( $ns == NS_USER || $ns == NS_USER_TALK ) && !$this->getTitle()->isSubpage() ) {
876 $specificTarget = null;
877 $vagueTarget = null;
878 $titleText = $this->getTitle()->getText();
879 if ( IP::isValid( $titleText ) ) {
880 $vagueTarget = $titleText;
881 } else {
882 $specificTarget = $titleText;
883 }
884 if ( Block::newFromTarget( $specificTarget, $vagueTarget ) instanceof Block ) {
885 return array(
886 'index' => 'noindex',
887 'follow' => 'nofollow'
888 );
889 }
890 }
891
892 if ( $this->mPage->getID() === 0 || $this->getOldID() ) {
893 # Non-articles (special pages etc), and old revisions
894 return array(
895 'index' => 'noindex',
896 'follow' => 'nofollow'
897 );
898 } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
899 # Discourage indexing of printable versions, but encourage following
900 return array(
901 'index' => 'noindex',
902 'follow' => 'follow'
903 );
904 } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
905 # For ?curid=x urls, disallow indexing
906 return array(
907 'index' => 'noindex',
908 'follow' => 'follow'
909 );
910 }
911
912 # Otherwise, construct the policy based on the various config variables.
913 $policy = self::formatRobotPolicy( $wgDefaultRobotPolicy );
914
915 if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
916 # Honour customised robot policies for this namespace
917 $policy = array_merge(
918 $policy,
919 self::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
920 );
921 }
922 if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
923 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
924 # a final sanity check that we have really got the parser output.
925 $policy = array_merge(
926 $policy,
927 array( 'index' => $pOutput->getIndexPolicy() )
928 );
929 }
930
931 if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
932 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
933 $policy = array_merge(
934 $policy,
935 self::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
936 );
937 }
938
939 return $policy;
940 }
941
942 /**
943 * Converts a String robot policy into an associative array, to allow
944 * merging of several policies using array_merge().
945 * @param array|string $policy Returns empty array on null/false/'', transparent
946 * to already-converted arrays, converts string.
947 * @return array 'index' => \<indexpolicy\>, 'follow' => \<followpolicy\>
948 */
949 public static function formatRobotPolicy( $policy ) {
950 if ( is_array( $policy ) ) {
951 return $policy;
952 } elseif ( !$policy ) {
953 return array();
954 }
955
956 $policy = explode( ',', $policy );
957 $policy = array_map( 'trim', $policy );
958
959 $arr = array();
960 foreach ( $policy as $var ) {
961 if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
962 $arr['index'] = $var;
963 } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
964 $arr['follow'] = $var;
965 }
966 }
967
968 return $arr;
969 }
970
971 /**
972 * If this request is a redirect view, send "redirected from" subtitle to
973 * the output. Returns true if the header was needed, false if this is not
974 * a redirect view. Handles both local and remote redirects.
975 *
976 * @return bool
977 */
978 public function showRedirectedFromHeader() {
979 global $wgRedirectSources;
980 $outputPage = $this->getContext()->getOutput();
981
982 $request = $this->getContext()->getRequest();
983 $rdfrom = $request->getVal( 'rdfrom' );
984
985 // Construct a URL for the current page view, but with the target title
986 $query = $request->getValues();
987 unset( $query['rdfrom'] );
988 unset( $query['title'] );
989 if ( $this->getTitle()->isRedirect() ) {
990 // Prevent double redirects
991 $query['redirect'] = 'no';
992 }
993 $redirectTargetUrl = $this->getTitle()->getLinkURL( $query );
994
995 if ( isset( $this->mRedirectedFrom ) ) {
996 // This is an internally redirected page view.
997 // We'll need a backlink to the source page for navigation.
998 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
999 $redir = Linker::linkKnown(
1000 $this->mRedirectedFrom,
1001 null,
1002 array(),
1003 array( 'redirect' => 'no' )
1004 );
1005
1006 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
1007
1008 // Add the script to update the displayed URL and
1009 // set the fragment if one was specified in the redirect
1010 $outputPage->addJsConfigVars( array(
1011 'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
1012 ) );
1013 $outputPage->addModules( 'mediawiki.action.view.redirect' );
1014
1015 // Add a <link rel="canonical"> tag
1016 $outputPage->setCanonicalUrl( $this->getTitle()->getLocalURL() );
1017
1018 // Tell the output object that the user arrived at this article through a redirect
1019 $outputPage->setRedirectedFrom( $this->mRedirectedFrom );
1020
1021 return true;
1022 }
1023 } elseif ( $rdfrom ) {
1024 // This is an externally redirected view, from some other wiki.
1025 // If it was reported from a trusted site, supply a backlink.
1026 if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
1027 $redir = Linker::makeExternalLink( $rdfrom, $rdfrom );
1028 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
1029
1030 // Add the script to update the displayed URL
1031 $outputPage->addJsConfigVars( array(
1032 'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
1033 ) );
1034 $outputPage->addModules( 'mediawiki.action.view.redirect' );
1035
1036 return true;
1037 }
1038 }
1039
1040 return false;
1041 }
1042
1043 /**
1044 * Show a header specific to the namespace currently being viewed, like
1045 * [[MediaWiki:Talkpagetext]]. For Article::view().
1046 */
1047 public function showNamespaceHeader() {
1048 if ( $this->getTitle()->isTalkPage() ) {
1049 if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
1050 $this->getContext()->getOutput()->wrapWikiMsg(
1051 "<div class=\"mw-talkpageheader\">\n$1\n</div>",
1052 array( 'talkpageheader' )
1053 );
1054 }
1055 }
1056 }
1057
1058 /**
1059 * Show the footer section of an ordinary page view
1060 */
1061 public function showViewFooter() {
1062 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1063 if ( $this->getTitle()->getNamespace() == NS_USER_TALK
1064 && IP::isValid( $this->getTitle()->getText() )
1065 ) {
1066 $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
1067 }
1068
1069 // Show a footer allowing the user to patrol the shown revision or page if possible
1070 $patrolFooterShown = $this->showPatrolFooter();
1071
1072 wfRunHooks( 'ArticleViewFooter', array( $this, $patrolFooterShown ) );
1073 }
1074
1075 /**
1076 * If patrol is possible, output a patrol UI box. This is called from the
1077 * footer section of ordinary page views. If patrol is not possible or not
1078 * desired, does nothing.
1079 * Side effect: When the patrol link is build, this method will call
1080 * OutputPage::preventClickjacking() and load mediawiki.page.patrol.ajax.
1081 *
1082 * @return bool
1083 */
1084 public function showPatrolFooter() {
1085 global $wgUseNPPatrol, $wgUseRCPatrol, $wgEnableAPI, $wgEnableWriteAPI;
1086
1087 $outputPage = $this->getContext()->getOutput();
1088 $user = $this->getContext()->getUser();
1089 $cache = wfGetMainCache();
1090 $rc = false;
1091
1092 if ( !$this->getTitle()->quickUserCan( 'patrol', $user )
1093 || !( $wgUseRCPatrol || $wgUseNPPatrol )
1094 ) {
1095 // Patrolling is disabled or the user isn't allowed to
1096 return false;
1097 }
1098
1099 wfProfileIn( __METHOD__ );
1100
1101 // New page patrol: Get the timestamp of the oldest revison which
1102 // the revision table holds for the given page. Then we look
1103 // whether it's within the RC lifespan and if it is, we try
1104 // to get the recentchanges row belonging to that entry
1105 // (with rc_new = 1).
1106
1107 // Check for cached results
1108 if ( $cache->get( wfMemcKey( 'NotPatrollablePage', $this->getTitle()->getArticleID() ) ) ) {
1109 wfProfileOut( __METHOD__ );
1110 return false;
1111 }
1112
1113 if ( $this->mRevision
1114 && !RecentChange::isInRCLifespan( $this->mRevision->getTimestamp(), 21600 )
1115 ) {
1116 // The current revision is already older than what could be in the RC table
1117 // 6h tolerance because the RC might not be cleaned out regularly
1118 wfProfileOut( __METHOD__ );
1119 return false;
1120 }
1121
1122 $dbr = wfGetDB( DB_SLAVE );
1123 $oldestRevisionTimestamp = $dbr->selectField(
1124 'revision',
1125 'MIN( rev_timestamp )',
1126 array( 'rev_page' => $this->getTitle()->getArticleID() ),
1127 __METHOD__
1128 );
1129
1130 if ( $oldestRevisionTimestamp
1131 && RecentChange::isInRCLifespan( $oldestRevisionTimestamp, 21600 )
1132 ) {
1133 // 6h tolerance because the RC might not be cleaned out regularly
1134 $rc = RecentChange::newFromConds(
1135 array(
1136 'rc_new' => 1,
1137 'rc_timestamp' => $oldestRevisionTimestamp,
1138 'rc_namespace' => $this->getTitle()->getNamespace(),
1139 'rc_cur_id' => $this->getTitle()->getArticleID(),
1140 'rc_patrolled' => 0
1141 ),
1142 __METHOD__,
1143 array( 'USE INDEX' => 'new_name_timestamp' )
1144 );
1145 }
1146
1147 if ( !$rc ) {
1148 // No RC entry around
1149
1150 // Cache the information we gathered above in case we can't patrol
1151 // Don't cache in case we can patrol as this could change
1152 $cache->set( wfMemcKey( 'NotPatrollablePage', $this->getTitle()->getArticleID() ), '1' );
1153
1154 wfProfileOut( __METHOD__ );
1155 return false;
1156 }
1157
1158 if ( $rc->getPerformer()->getName() == $user->getName() ) {
1159 // Don't show a patrol link for own creations. If the user could
1160 // patrol them, they already would be patrolled
1161 wfProfileOut( __METHOD__ );
1162 return false;
1163 }
1164
1165 $rcid = $rc->getAttribute( 'rc_id' );
1166
1167 $token = $user->getEditToken( $rcid );
1168
1169 $outputPage->preventClickjacking();
1170 if ( $wgEnableAPI && $wgEnableWriteAPI && $user->isAllowed( 'writeapi' ) ) {
1171 $outputPage->addModules( 'mediawiki.page.patrol.ajax' );
1172 }
1173
1174 $link = Linker::linkKnown(
1175 $this->getTitle(),
1176 wfMessage( 'markaspatrolledtext' )->escaped(),
1177 array(),
1178 array(
1179 'action' => 'markpatrolled',
1180 'rcid' => $rcid,
1181 'token' => $token,
1182 )
1183 );
1184
1185 $outputPage->addHTML(
1186 "<div class='patrollink'>" .
1187 wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
1188 '</div>'
1189 );
1190
1191 wfProfileOut( __METHOD__ );
1192 return true;
1193 }
1194
1195 /**
1196 * Show the error text for a missing article. For articles in the MediaWiki
1197 * namespace, show the default message text. To be called from Article::view().
1198 */
1199 public function showMissingArticle() {
1200 global $wgSend404Code;
1201
1202 $outputPage = $this->getContext()->getOutput();
1203 // Whether the page is a root user page of an existing user (but not a subpage)
1204 $validUserPage = false;
1205
1206 $title = $this->getTitle();
1207
1208 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1209 if ( $title->getNamespace() == NS_USER
1210 || $title->getNamespace() == NS_USER_TALK
1211 ) {
1212 $parts = explode( '/', $title->getText() );
1213 $rootPart = $parts[0];
1214 $user = User::newFromName( $rootPart, false /* allow IP users*/ );
1215 $ip = User::isIP( $rootPart );
1216 $block = Block::newFromTarget( $user, $user );
1217
1218 if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
1219 $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
1220 array( 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ) );
1221 } elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) { # Show log extract if the user is currently blocked
1222 LogEventsList::showLogExtract(
1223 $outputPage,
1224 'block',
1225 MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
1226 '',
1227 array(
1228 'lim' => 1,
1229 'showIfEmpty' => false,
1230 'msgKey' => array(
1231 'blocked-notice-logextract',
1232 $user->getName() # Support GENDER in notice
1233 )
1234 )
1235 );
1236 $validUserPage = !$title->isSubpage();
1237 } else {
1238 $validUserPage = !$title->isSubpage();
1239 }
1240 }
1241
1242 wfRunHooks( 'ShowMissingArticle', array( $this ) );
1243
1244 // Give extensions a chance to hide their (unrelated) log entries
1245 $logTypes = array( 'delete', 'move' );
1246 $conds = array( "log_action != 'revision'" );
1247 wfRunHooks( 'Article::MissingArticleConditions', array( &$conds, $logTypes ) );
1248
1249 # Show delete and move logs
1250 $member = $title->getNamespace() . ':' . $title->getDBkey();
1251 // @todo: move optimization to showLogExtract()?
1252 if ( BloomCache::get( 'main' )->check( wfWikiId(), 'TitleHasLogs', $member ) ) {
1253 LogEventsList::showLogExtract( $outputPage, $logTypes, $title, '',
1254 array( 'lim' => 10,
1255 'conds' => $conds,
1256 'showIfEmpty' => false,
1257 'msgKey' => array( 'moveddeleted-notice' ) )
1258 );
1259 }
1260
1261 if ( !$this->mPage->hasViewableContent() && $wgSend404Code && !$validUserPage ) {
1262 // If there's no backing content, send a 404 Not Found
1263 // for better machine handling of broken links.
1264 $this->getContext()->getRequest()->response()->header( "HTTP/1.1 404 Not Found" );
1265 }
1266
1267 // Also apply the robot policy for nonexisting pages (even if a 404 was used for sanity)
1268 $policy = $this->getRobotPolicy( 'view' );
1269 $outputPage->setIndexPolicy( $policy['index'] );
1270 $outputPage->setFollowPolicy( $policy['follow'] );
1271
1272 $hookResult = wfRunHooks( 'BeforeDisplayNoArticleText', array( $this ) );
1273
1274 if ( !$hookResult ) {
1275 return;
1276 }
1277
1278 # Show error message
1279 $oldid = $this->getOldID();
1280 if ( $oldid ) {
1281 $text = wfMessage( 'missing-revision', $oldid )->plain();
1282 } elseif ( $title->getNamespace() === NS_MEDIAWIKI ) {
1283 // Use the default message text
1284 $text = $title->getDefaultMessageText();
1285 } elseif ( $title->quickUserCan( 'create', $this->getContext()->getUser() )
1286 && $title->quickUserCan( 'edit', $this->getContext()->getUser() )
1287 ) {
1288 $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
1289 $text = wfMessage( $message )->plain();
1290 } else {
1291 $text = wfMessage( 'noarticletext-nopermission' )->plain();
1292 }
1293 $text = "<div class='noarticletext'>\n$text\n</div>";
1294
1295 $outputPage->addWikiText( $text );
1296 }
1297
1298 /**
1299 * If the revision requested for view is deleted, check permissions.
1300 * Send either an error message or a warning header to the output.
1301 *
1302 * @return bool True if the view is allowed, false if not.
1303 */
1304 public function showDeletedRevisionHeader() {
1305 if ( !$this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
1306 // Not deleted
1307 return true;
1308 }
1309
1310 $outputPage = $this->getContext()->getOutput();
1311 $user = $this->getContext()->getUser();
1312 // If the user is not allowed to see it...
1313 if ( !$this->mRevision->userCan( Revision::DELETED_TEXT, $user ) ) {
1314 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1315 'rev-deleted-text-permission' );
1316
1317 return false;
1318 // If the user needs to confirm that they want to see it...
1319 } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
1320 # Give explanation and add a link to view the revision...
1321 $oldid = intval( $this->getOldID() );
1322 $link = $this->getTitle()->getFullURL( "oldid={$oldid}&unhide=1" );
1323 $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
1324 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1325 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1326 array( $msg, $link ) );
1327
1328 return false;
1329 // We are allowed to see...
1330 } else {
1331 $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
1332 'rev-suppressed-text-view' : 'rev-deleted-text-view';
1333 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1334
1335 return true;
1336 }
1337 }
1338
1339 /**
1340 * Generate the navigation links when browsing through an article revisions
1341 * It shows the information as:
1342 * Revision as of \<date\>; view current revision
1343 * \<- Previous version | Next Version -\>
1344 *
1345 * @param int $oldid Revision ID of this article revision
1346 */
1347 public function setOldSubtitle( $oldid = 0 ) {
1348 if ( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
1349 return;
1350 }
1351
1352 $unhide = $this->getContext()->getRequest()->getInt( 'unhide' ) == 1;
1353
1354 # Cascade unhide param in links for easy deletion browsing
1355 $extraParams = array();
1356 if ( $unhide ) {
1357 $extraParams['unhide'] = 1;
1358 }
1359
1360 if ( $this->mRevision && $this->mRevision->getId() === $oldid ) {
1361 $revision = $this->mRevision;
1362 } else {
1363 $revision = Revision::newFromId( $oldid );
1364 }
1365
1366 $timestamp = $revision->getTimestamp();
1367
1368 $current = ( $oldid == $this->mPage->getLatest() );
1369 $language = $this->getContext()->getLanguage();
1370 $user = $this->getContext()->getUser();
1371
1372 $td = $language->userTimeAndDate( $timestamp, $user );
1373 $tddate = $language->userDate( $timestamp, $user );
1374 $tdtime = $language->userTime( $timestamp, $user );
1375
1376 # Show user links if allowed to see them. If hidden, then show them only if requested...
1377 $userlinks = Linker::revUserTools( $revision, !$unhide );
1378
1379 $infomsg = $current && !wfMessage( 'revision-info-current' )->isDisabled()
1380 ? 'revision-info-current'
1381 : 'revision-info';
1382
1383 $outputPage = $this->getContext()->getOutput();
1384 $outputPage->addSubtitle( "<div id=\"mw-{$infomsg}\">" . wfMessage( $infomsg,
1385 $td )->rawParams( $userlinks )->params( $revision->getID(), $tddate,
1386 $tdtime, $revision->getUserText() )->rawParams( Linker::revComment( $revision, true, true ) )->parse() . "</div>" );
1387
1388 $lnk = $current
1389 ? wfMessage( 'currentrevisionlink' )->escaped()
1390 : Linker::linkKnown(
1391 $this->getTitle(),
1392 wfMessage( 'currentrevisionlink' )->escaped(),
1393 array(),
1394 $extraParams
1395 );
1396 $curdiff = $current
1397 ? wfMessage( 'diff' )->escaped()
1398 : Linker::linkKnown(
1399 $this->getTitle(),
1400 wfMessage( 'diff' )->escaped(),
1401 array(),
1402 array(
1403 'diff' => 'cur',
1404 'oldid' => $oldid
1405 ) + $extraParams
1406 );
1407 $prev = $this->getTitle()->getPreviousRevisionID( $oldid );
1408 $prevlink = $prev
1409 ? Linker::linkKnown(
1410 $this->getTitle(),
1411 wfMessage( 'previousrevision' )->escaped(),
1412 array(),
1413 array(
1414 'direction' => 'prev',
1415 'oldid' => $oldid
1416 ) + $extraParams
1417 )
1418 : wfMessage( 'previousrevision' )->escaped();
1419 $prevdiff = $prev
1420 ? Linker::linkKnown(
1421 $this->getTitle(),
1422 wfMessage( 'diff' )->escaped(),
1423 array(),
1424 array(
1425 'diff' => 'prev',
1426 'oldid' => $oldid
1427 ) + $extraParams
1428 )
1429 : wfMessage( 'diff' )->escaped();
1430 $nextlink = $current
1431 ? wfMessage( 'nextrevision' )->escaped()
1432 : Linker::linkKnown(
1433 $this->getTitle(),
1434 wfMessage( 'nextrevision' )->escaped(),
1435 array(),
1436 array(
1437 'direction' => 'next',
1438 'oldid' => $oldid
1439 ) + $extraParams
1440 );
1441 $nextdiff = $current
1442 ? wfMessage( 'diff' )->escaped()
1443 : Linker::linkKnown(
1444 $this->getTitle(),
1445 wfMessage( 'diff' )->escaped(),
1446 array(),
1447 array(
1448 'diff' => 'next',
1449 'oldid' => $oldid
1450 ) + $extraParams
1451 );
1452
1453 $cdel = Linker::getRevDeleteLink( $user, $revision, $this->getTitle() );
1454 if ( $cdel !== '' ) {
1455 $cdel .= ' ';
1456 }
1457
1458 $outputPage->addSubtitle( "<div id=\"mw-revision-nav\">" . $cdel .
1459 wfMessage( 'revision-nav' )->rawParams(
1460 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
1461 )->escaped() . "</div>" );
1462 }
1463
1464 /**
1465 * Return the HTML for the top of a redirect page
1466 *
1467 * Chances are you should just be using the ParserOutput from
1468 * WikitextContent::getParserOutput instead of calling this for redirects.
1469 *
1470 * @param Title|array $target Destination(s) to redirect
1471 * @param bool $appendSubtitle [optional]
1472 * @param bool $forceKnown Should the image be shown as a bluelink regardless of existence?
1473 * @return string Containing HTML with redirect link
1474 */
1475 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1476 $lang = $this->getTitle()->getPageLanguage();
1477 $out = $this->getContext()->getOutput();
1478 if ( $appendSubtitle ) {
1479 $out->addSubtitle( wfMessage( 'redirectpagesub' )->parse() );
1480 }
1481 $out->addModuleStyles( 'mediawiki.action.view.redirectPage' );
1482 return static::getRedirectHeaderHtml( $lang, $target, $forceKnown );
1483 }
1484
1485 /**
1486 * Return the HTML for the top of a redirect page
1487 *
1488 * Chances are you should just be using the ParserOutput from
1489 * WikitextContent::getParserOutput instead of calling this for redirects.
1490 *
1491 * @since 1.23
1492 * @param Language $lang
1493 * @param Title|array $target Destination(s) to redirect
1494 * @param bool $forceKnown Should the image be shown as a bluelink regardless of existence?
1495 * @return string Containing HTML with redirect link
1496 */
1497 public static function getRedirectHeaderHtml( Language $lang, $target, $forceKnown = false ) {
1498 if ( !is_array( $target ) ) {
1499 $target = array( $target );
1500 }
1501
1502 $html = '<ul class="redirectText">';
1503 /** @var Title $title */
1504 foreach ( $target as $title ) {
1505 $html .= '<li>' . Linker::link(
1506 $title,
1507 htmlspecialchars( $title->getFullText() ),
1508 array(),
1509 // Automatically append redirect=no to each link, since most of them are
1510 // redirect pages themselves.
1511 array( 'redirect' => 'no' ),
1512 ( $forceKnown ? array( 'known', 'noclasses' ) : array() )
1513 ) . '</li>';
1514 }
1515
1516 $redirectToText = wfMessage( 'redirectto' )->inLanguage( $lang )->text();
1517
1518 return '<div class="redirectMsg">' .
1519 '<p>' . $redirectToText . '</p>' .
1520 $html .
1521 '</div>';
1522 }
1523
1524 /**
1525 * Handle action=render
1526 */
1527 public function render() {
1528 $this->getContext()->getRequest()->response()->header( 'X-Robots-Tag: noindex' );
1529 $this->getContext()->getOutput()->setArticleBodyOnly( true );
1530 $this->getContext()->getOutput()->enableSectionEditLinks( false );
1531 $this->view();
1532 }
1533
1534 /**
1535 * action=protect handler
1536 */
1537 public function protect() {
1538 $form = new ProtectionForm( $this );
1539 $form->execute();
1540 }
1541
1542 /**
1543 * action=unprotect handler (alias)
1544 */
1545 public function unprotect() {
1546 $this->protect();
1547 }
1548
1549 /**
1550 * UI entry point for page deletion
1551 */
1552 public function delete() {
1553 # This code desperately needs to be totally rewritten
1554
1555 $title = $this->getTitle();
1556 $user = $this->getContext()->getUser();
1557
1558 # Check permissions
1559 $permissionErrors = $title->getUserPermissionsErrors( 'delete', $user );
1560 if ( count( $permissionErrors ) ) {
1561 throw new PermissionsError( 'delete', $permissionErrors );
1562 }
1563
1564 # Read-only check...
1565 if ( wfReadOnly() ) {
1566 throw new ReadOnlyError;
1567 }
1568
1569 # Better double-check that it hasn't been deleted yet!
1570 $this->mPage->loadPageData( 'fromdbmaster' );
1571 if ( !$this->mPage->exists() ) {
1572 $deleteLogPage = new LogPage( 'delete' );
1573 $outputPage = $this->getContext()->getOutput();
1574 $outputPage->setPageTitle( wfMessage( 'cannotdelete-title', $title->getPrefixedText() ) );
1575 $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1576 array( 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) )
1577 );
1578 $outputPage->addHTML(
1579 Xml::element( 'h2', null, $deleteLogPage->getName()->text() )
1580 );
1581 LogEventsList::showLogExtract(
1582 $outputPage,
1583 'delete',
1584 $title
1585 );
1586
1587 return;
1588 }
1589
1590 $request = $this->getContext()->getRequest();
1591 $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
1592 $deleteReason = $request->getText( 'wpReason' );
1593
1594 if ( $deleteReasonList == 'other' ) {
1595 $reason = $deleteReason;
1596 } elseif ( $deleteReason != '' ) {
1597 // Entry from drop down menu + additional comment
1598 $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
1599 $reason = $deleteReasonList . $colonseparator . $deleteReason;
1600 } else {
1601 $reason = $deleteReasonList;
1602 }
1603
1604 if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
1605 array( 'delete', $this->getTitle()->getPrefixedText() ) )
1606 ) {
1607 # Flag to hide all contents of the archived revisions
1608 $suppress = $request->getVal( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
1609
1610 $this->doDelete( $reason, $suppress );
1611
1612 WatchAction::doWatchOrUnwatch( $request->getCheck( 'wpWatch' ), $title, $user );
1613
1614 return;
1615 }
1616
1617 // Generate deletion reason
1618 $hasHistory = false;
1619 if ( !$reason ) {
1620 try {
1621 $reason = $this->generateReason( $hasHistory );
1622 } catch ( MWException $e ) {
1623 # if a page is horribly broken, we still want to be able to
1624 # delete it. So be lenient about errors here.
1625 wfDebug( "Error while building auto delete summary: $e" );
1626 $reason = '';
1627 }
1628 }
1629
1630 // If the page has a history, insert a warning
1631 if ( $hasHistory ) {
1632 $title = $this->getTitle();
1633
1634 // The following can use the real revision count as this is only being shown for users that can delete
1635 // this page.
1636 // This, as a side-effect, also makes sure that the following query isn't being run for pages with a
1637 // larger history, unless the user has the 'bigdelete' right (and is about to delete this page).
1638 $dbr = wfGetDB( DB_SLAVE );
1639 $revisions = $edits = (int)$dbr->selectField(
1640 'revision',
1641 'COUNT(rev_page)',
1642 array( 'rev_page' => $title->getArticleID() ),
1643 __METHOD__
1644 );
1645
1646 // @todo FIXME: i18n issue/patchwork message
1647 $this->getContext()->getOutput()->addHTML( '<strong class="mw-delete-warning-revisions">' .
1648 wfMessage( 'historywarning' )->numParams( $revisions )->parse() .
1649 wfMessage( 'word-separator' )->plain() . Linker::linkKnown( $title,
1650 wfMessage( 'history' )->escaped(),
1651 array( 'rel' => 'archives' ),
1652 array( 'action' => 'history' ) ) .
1653 '</strong>'
1654 );
1655
1656 if ( $title->isBigDeletion() ) {
1657 global $wgDeleteRevisionsLimit;
1658 $this->getContext()->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1659 array(
1660 'delete-warning-toobig',
1661 $this->getContext()->getLanguage()->formatNum( $wgDeleteRevisionsLimit )
1662 )
1663 );
1664 }
1665 }
1666
1667 $this->confirmDelete( $reason );
1668 }
1669
1670 /**
1671 * Output deletion confirmation dialog
1672 * @todo FIXME: Move to another file?
1673 * @param string $reason Prefilled reason
1674 */
1675 public function confirmDelete( $reason ) {
1676 wfDebug( "Article::confirmDelete\n" );
1677
1678 $title = $this->getTitle();
1679 $ctx = $this->getContext();
1680 $outputPage = $ctx->getOutput();
1681 $useMediaWikiUIEverywhere = $ctx->getConfig()->get( 'UseMediaWikiUIEverywhere' );
1682 $outputPage->setPageTitle( wfMessage( 'delete-confirm', $title->getPrefixedText() ) );
1683 $outputPage->addBacklinkSubtitle( $title );
1684 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1685 $backlinkCache = $title->getBacklinkCache();
1686 if ( $backlinkCache->hasLinks( 'pagelinks' ) || $backlinkCache->hasLinks( 'templatelinks' ) ) {
1687 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1688 'deleting-backlinks-warning' );
1689 }
1690 $outputPage->addWikiMsg( 'confirmdeletetext' );
1691
1692 wfRunHooks( 'ArticleConfirmDelete', array( $this, $outputPage, &$reason ) );
1693
1694 $user = $this->getContext()->getUser();
1695
1696 if ( $user->isAllowed( 'suppressrevision' ) ) {
1697 $suppress = Html::openElement( 'div', array( 'id' => 'wpDeleteSuppressRow' ) ) .
1698 "<strong>" .
1699 Xml::checkLabel( wfMessage( 'revdelete-suppress' )->text(),
1700 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
1701 "</strong>" .
1702 Html::closeElement( 'div' );
1703 } else {
1704 $suppress = '';
1705 }
1706 $checkWatch = $user->getBoolOption( 'watchdeletion' ) || $user->isWatched( $title );
1707
1708 $form = Html::openElement( 'form', array( 'method' => 'post',
1709 'action' => $title->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
1710 Html::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
1711 Html::element( 'legend', null, wfMessage( 'delete-legend' )->text() ) .
1712 Html::openElement( 'div', array( 'id' => 'mw-deleteconfirm-table' ) ) .
1713 Html::openElement( 'div', array( 'id' => 'wpDeleteReasonListRow' ) ) .
1714 Html::label( wfMessage( 'deletecomment' )->text(), 'wpDeleteReasonList' ) .
1715 '&nbsp;' .
1716 Xml::listDropDown(
1717 'wpDeleteReasonList',
1718 wfMessage( 'deletereason-dropdown' )->inContentLanguage()->text(),
1719 wfMessage( 'deletereasonotherlist' )->inContentLanguage()->text(),
1720 '',
1721 'wpReasonDropDown',
1722 1
1723 ) .
1724 Html::closeElement( 'div' ) .
1725 Html::openElement( 'div', array( 'id' => 'wpDeleteReasonRow' ) ) .
1726 Html::label( wfMessage( 'deleteotherreason' )->text(), 'wpReason' ) .
1727 '&nbsp;' .
1728 Html::input( 'wpReason', $reason, 'text', array(
1729 'size' => '60',
1730 'maxlength' => '255',
1731 'tabindex' => '2',
1732 'id' => 'wpReason',
1733 'class' => 'mw-ui-input-inline',
1734 'autofocus'
1735 ) ) .
1736 Html::closeElement( 'div' );
1737
1738 # Disallow watching if user is not logged in
1739 if ( $user->isLoggedIn() ) {
1740 $form .=
1741 Xml::checkLabel( wfMessage( 'watchthis' )->text(),
1742 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) );
1743 }
1744
1745 $form .=
1746 Html::openElement( 'div' ) .
1747 $suppress .
1748 Xml::submitButton( wfMessage( 'deletepage' )->text(),
1749 array(
1750 'name' => 'wpConfirmB',
1751 'id' => 'wpConfirmB',
1752 'tabindex' => '5',
1753 'class' => $useMediaWikiUIEverywhere ? 'mw-ui-button mw-ui-destructive' : '',
1754 )
1755 ) .
1756 Html::closeElement( 'div' ) .
1757 Html::closeElement( 'div' ) .
1758 Xml::closeElement( 'fieldset' ) .
1759 Html::hidden(
1760 'wpEditToken',
1761 $user->getEditToken( array( 'delete', $title->getPrefixedText() ) )
1762 ) .
1763 Xml::closeElement( 'form' );
1764
1765 if ( $user->isAllowed( 'editinterface' ) ) {
1766 $dropdownTitle = Title::makeTitle( NS_MEDIAWIKI, 'Deletereason-dropdown' );
1767 $link = Linker::link(
1768 $dropdownTitle,
1769 wfMessage( 'delete-edit-reasonlist' )->escaped(),
1770 array(),
1771 array( 'action' => 'edit' )
1772 );
1773 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
1774 }
1775
1776 $outputPage->addHTML( $form );
1777
1778 $deleteLogPage = new LogPage( 'delete' );
1779 $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1780 LogEventsList::showLogExtract( $outputPage, 'delete', $title );
1781 }
1782
1783 /**
1784 * Perform a deletion and output success or failure messages
1785 * @param string $reason
1786 * @param bool $suppress
1787 */
1788 public function doDelete( $reason, $suppress = false ) {
1789 $error = '';
1790 $outputPage = $this->getContext()->getOutput();
1791 $status = $this->mPage->doDeleteArticleReal( $reason, $suppress, 0, true, $error );
1792
1793 if ( $status->isGood() ) {
1794 $deleted = $this->getTitle()->getPrefixedText();
1795
1796 $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
1797 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1798
1799 $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
1800
1801 $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
1802 $outputPage->returnToMain( false );
1803 } else {
1804 $outputPage->setPageTitle(
1805 wfMessage( 'cannotdelete-title',
1806 $this->getTitle()->getPrefixedText() )
1807 );
1808
1809 if ( $error == '' ) {
1810 $outputPage->addWikiText(
1811 "<div class=\"error mw-error-cannotdelete\">\n" . $status->getWikiText() . "\n</div>"
1812 );
1813 $deleteLogPage = new LogPage( 'delete' );
1814 $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1815
1816 LogEventsList::showLogExtract(
1817 $outputPage,
1818 'delete',
1819 $this->getTitle()
1820 );
1821 } else {
1822 $outputPage->addHTML( $error );
1823 }
1824 }
1825 }
1826
1827 /* Caching functions */
1828
1829 /**
1830 * checkLastModified returns true if it has taken care of all
1831 * output to the client that is necessary for this request.
1832 * (that is, it has sent a cached version of the page)
1833 *
1834 * @return bool True if cached version send, false otherwise
1835 */
1836 protected function tryFileCache() {
1837 static $called = false;
1838
1839 if ( $called ) {
1840 wfDebug( "Article::tryFileCache(): called twice!?\n" );
1841 return false;
1842 }
1843
1844 $called = true;
1845 if ( $this->isFileCacheable() ) {
1846 $cache = new HTMLFileCache( $this->getTitle(), 'view' );
1847 if ( $cache->isCacheGood( $this->mPage->getTouched() ) ) {
1848 wfDebug( "Article::tryFileCache(): about to load file\n" );
1849 $cache->loadFromFileCache( $this->getContext() );
1850 return true;
1851 } else {
1852 wfDebug( "Article::tryFileCache(): starting buffer\n" );
1853 ob_start( array( &$cache, 'saveToFileCache' ) );
1854 }
1855 } else {
1856 wfDebug( "Article::tryFileCache(): not cacheable\n" );
1857 }
1858
1859 return false;
1860 }
1861
1862 /**
1863 * Check if the page can be cached
1864 * @return bool
1865 */
1866 public function isFileCacheable() {
1867 $cacheable = false;
1868
1869 if ( HTMLFileCache::useFileCache( $this->getContext() ) ) {
1870 $cacheable = $this->mPage->getID()
1871 && !$this->mRedirectedFrom && !$this->getTitle()->isRedirect();
1872 // Extension may have reason to disable file caching on some pages.
1873 if ( $cacheable ) {
1874 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
1875 }
1876 }
1877
1878 return $cacheable;
1879 }
1880
1881 /**#@-*/
1882
1883 /**
1884 * Lightweight method to get the parser output for a page, checking the parser cache
1885 * and so on. Doesn't consider most of the stuff that WikiPage::view is forced to
1886 * consider, so it's not appropriate to use there.
1887 *
1888 * @since 1.16 (r52326) for LiquidThreads
1889 *
1890 * @param int|null $oldid Revision ID or null
1891 * @param User $user The relevant user
1892 * @return ParserOutput|bool ParserOutput or false if the given revision ID is not found
1893 */
1894 public function getParserOutput( $oldid = null, User $user = null ) {
1895 //XXX: bypasses mParserOptions and thus setParserOptions()
1896
1897 if ( $user === null ) {
1898 $parserOptions = $this->getParserOptions();
1899 } else {
1900 $parserOptions = $this->mPage->makeParserOptions( $user );
1901 }
1902
1903 return $this->mPage->getParserOutput( $parserOptions, $oldid );
1904 }
1905
1906 /**
1907 * Override the ParserOptions used to render the primary article wikitext.
1908 *
1909 * @param ParserOptions $options
1910 * @throws MWException If the parser options where already initialized.
1911 */
1912 public function setParserOptions( ParserOptions $options ) {
1913 if ( $this->mParserOptions ) {
1914 throw new MWException( "can't change parser options after they have already been set" );
1915 }
1916
1917 // clone, so if $options is modified later, it doesn't confuse the parser cache.
1918 $this->mParserOptions = clone $options;
1919 }
1920
1921 /**
1922 * Get parser options suitable for rendering the primary article wikitext
1923 * @return ParserOptions
1924 */
1925 public function getParserOptions() {
1926 if ( !$this->mParserOptions ) {
1927 $this->mParserOptions = $this->mPage->makeParserOptions( $this->getContext() );
1928 }
1929 // Clone to allow modifications of the return value without affecting cache
1930 return clone $this->mParserOptions;
1931 }
1932
1933 /**
1934 * Sets the context this Article is executed in
1935 *
1936 * @param IContextSource $context
1937 * @since 1.18
1938 */
1939 public function setContext( $context ) {
1940 $this->mContext = $context;
1941 }
1942
1943 /**
1944 * Gets the context this Article is executed in
1945 *
1946 * @return IContextSource
1947 * @since 1.18
1948 */
1949 public function getContext() {
1950 if ( $this->mContext instanceof IContextSource ) {
1951 return $this->mContext;
1952 } else {
1953 wfDebug( __METHOD__ . " called and \$mContext is null. " .
1954 "Return RequestContext::getMain(); for sanity\n" );
1955 return RequestContext::getMain();
1956 }
1957 }
1958
1959 /**
1960 * Use PHP's magic __get handler to handle accessing of
1961 * raw WikiPage fields for backwards compatibility.
1962 *
1963 * @param string $fname Field name
1964 * @return mixed
1965 */
1966 public function __get( $fname ) {
1967 if ( property_exists( $this->mPage, $fname ) ) {
1968 #wfWarn( "Access to raw $fname field " . __CLASS__ );
1969 return $this->mPage->$fname;
1970 }
1971 trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE );
1972 }
1973
1974 /**
1975 * Use PHP's magic __set handler to handle setting of
1976 * raw WikiPage fields for backwards compatibility.
1977 *
1978 * @param string $fname Field name
1979 * @param mixed $fvalue New value
1980 */
1981 public function __set( $fname, $fvalue ) {
1982 if ( property_exists( $this->mPage, $fname ) ) {
1983 #wfWarn( "Access to raw $fname field of " . __CLASS__ );
1984 $this->mPage->$fname = $fvalue;
1985 // Note: extensions may want to toss on new fields
1986 } elseif ( !in_array( $fname, array( 'mContext', 'mPage' ) ) ) {
1987 $this->mPage->$fname = $fvalue;
1988 } else {
1989 trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE );
1990 }
1991 }
1992
1993 /**
1994 * Use PHP's magic __call handler to transform instance calls to
1995 * WikiPage functions for backwards compatibility.
1996 *
1997 * @param string $fname Name of called method
1998 * @param array $args Arguments to the method
1999 * @return mixed
2000 */
2001 public function __call( $fname, $args ) {
2002 if ( is_callable( array( $this->mPage, $fname ) ) ) {
2003 #wfWarn( "Call to " . __CLASS__ . "::$fname; please use WikiPage instead" );
2004 return call_user_func_array( array( $this->mPage, $fname ), $args );
2005 }
2006 trigger_error( 'Inaccessible function via __call(): ' . $fname, E_USER_ERROR );
2007 }
2008
2009 // ****** B/C functions to work-around PHP silliness with __call and references ****** //
2010
2011 /**
2012 * @param array $limit
2013 * @param array $expiry
2014 * @param bool $cascade
2015 * @param string $reason
2016 * @param User $user
2017 * @return Status
2018 */
2019 public function doUpdateRestrictions( array $limit, array $expiry, &$cascade,
2020 $reason, User $user
2021 ) {
2022 return $this->mPage->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
2023 }
2024
2025 /**
2026 * @param array $limit
2027 * @param string $reason
2028 * @param int $cascade
2029 * @param array $expiry
2030 * @return bool
2031 */
2032 public function updateRestrictions( $limit = array(), $reason = '',
2033 &$cascade = 0, $expiry = array()
2034 ) {
2035 return $this->mPage->doUpdateRestrictions(
2036 $limit,
2037 $expiry,
2038 $cascade,
2039 $reason,
2040 $this->getContext()->getUser()
2041 );
2042 }
2043
2044 /**
2045 * @param string $reason
2046 * @param bool $suppress
2047 * @param int $id
2048 * @param bool $commit
2049 * @param string $error
2050 * @return bool
2051 */
2052 public function doDeleteArticle( $reason, $suppress = false, $id = 0,
2053 $commit = true, &$error = ''
2054 ) {
2055 return $this->mPage->doDeleteArticle( $reason, $suppress, $id, $commit, $error );
2056 }
2057
2058 /**
2059 * @param string $fromP
2060 * @param string $summary
2061 * @param string $token
2062 * @param bool $bot
2063 * @param array $resultDetails
2064 * @param User|null $user
2065 * @return array
2066 */
2067 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User $user = null ) {
2068 $user = is_null( $user ) ? $this->getContext()->getUser() : $user;
2069 return $this->mPage->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
2070 }
2071
2072 /**
2073 * @param string $fromP
2074 * @param string $summary
2075 * @param bool $bot
2076 * @param array $resultDetails
2077 * @param User|null $guser
2078 * @return array
2079 */
2080 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser = null ) {
2081 $guser = is_null( $guser ) ? $this->getContext()->getUser() : $guser;
2082 return $this->mPage->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
2083 }
2084
2085 /**
2086 * @param bool $hasHistory
2087 * @return mixed
2088 */
2089 public function generateReason( &$hasHistory ) {
2090 $title = $this->mPage->getTitle();
2091 $handler = ContentHandler::getForTitle( $title );
2092 return $handler->getAutoDeleteReason( $title, $hasHistory );
2093 }
2094
2095 // ****** B/C functions for static methods ( __callStatic is PHP>=5.3 ) ****** //
2096
2097 /**
2098 * @return array
2099 *
2100 * @deprecated since 1.24, use WikiPage::selectFields() instead
2101 */
2102 public static function selectFields() {
2103 wfDeprecated( __METHOD__, '1.24' );
2104 return WikiPage::selectFields();
2105 }
2106
2107 /**
2108 * @param Title $title
2109 *
2110 * @deprecated since 1.24, use WikiPage::onArticleCreate() instead
2111 */
2112 public static function onArticleCreate( $title ) {
2113 wfDeprecated( __METHOD__, '1.24' );
2114 WikiPage::onArticleCreate( $title );
2115 }
2116
2117 /**
2118 * @param Title $title
2119 *
2120 * @deprecated since 1.24, use WikiPage::onArticleDelete() instead
2121 */
2122 public static function onArticleDelete( $title ) {
2123 wfDeprecated( __METHOD__, '1.24' );
2124 WikiPage::onArticleDelete( $title );
2125 }
2126
2127 /**
2128 * @param Title $title
2129 *
2130 * @deprecated since 1.24, use WikiPage::onArticleEdit() instead
2131 */
2132 public static function onArticleEdit( $title ) {
2133 wfDeprecated( __METHOD__, '1.24' );
2134 WikiPage::onArticleEdit( $title );
2135 }
2136
2137 /**
2138 * @param string $oldtext
2139 * @param string $newtext
2140 * @param int $flags
2141 * @return string
2142 * @deprecated since 1.21, use ContentHandler::getAutosummary() instead
2143 */
2144 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2145 return WikiPage::getAutosummary( $oldtext, $newtext, $flags );
2146 }
2147 // ******
2148 }
Wiklou, le Wiki du Wiklou