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Merge "Cleaned up database reconnection logic"
[lhc/web/wiklou.git] / includes / 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 protected $mContentObject;
57
58 /** @var bool Is the content ($mContent) already loaded? */
59 protected $mContentLoaded = false;
60
61 /** @var int|null The oldid of the article that is to be shown, 0 for the current revision */
62 protected $mOldId;
63
64 /** @var Title Title from which we were redirected here */
65 protected $mRedirectedFrom = null;
66
67 /** @var string|bool URL to redirect to or false if none */
68 protected $mRedirectUrl = false;
69
70 /** @var int Revision ID of revision we are working on */
71 protected $mRevIdFetched = 0;
72
73 /** @var Revision Revision we are working on */
74 protected $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;
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 # Is it client cached?
546 if ( $outputPage->checkLastModified( $this->mPage->getTouched() ) ) {
547 wfDebug( __METHOD__ . ": done 304\n" );
548 wfProfileOut( __METHOD__ );
549
550 return;
551 # Try file cache
552 } elseif ( $wgUseFileCache && $this->tryFileCache() ) {
553 wfDebug( __METHOD__ . ": done file cache\n" );
554 # tell wgOut that output is taken care of
555 $outputPage->disable();
556 $this->mPage->doViewUpdates( $user, $oldid );
557 wfProfileOut( __METHOD__ );
558
559 return;
560 }
561 }
562
563 # Should the parser cache be used?
564 $useParserCache = $this->mPage->isParserCacheUsed( $parserOptions, $oldid );
565 wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
566 if ( $user->getStubThreshold() ) {
567 wfIncrStats( 'pcache_miss_stub' );
568 }
569
570 $this->showRedirectedFromHeader();
571 $this->showNamespaceHeader();
572
573 # Iterate through the possible ways of constructing the output text.
574 # Keep going until $outputDone is set, or we run out of things to do.
575 $pass = 0;
576 $outputDone = false;
577 $this->mParserOutput = false;
578
579 while ( !$outputDone && ++$pass ) {
580 switch ( $pass ) {
581 case 1:
582 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
583 break;
584 case 2:
585 # Early abort if the page doesn't exist
586 if ( !$this->mPage->exists() ) {
587 wfDebug( __METHOD__ . ": showing missing article\n" );
588 $this->showMissingArticle();
589 $this->mPage->doViewUpdates( $user );
590 wfProfileOut( __METHOD__ );
591 return;
592 }
593
594 # Try the parser cache
595 if ( $useParserCache ) {
596 $this->mParserOutput = $parserCache->get( $this, $parserOptions );
597
598 if ( $this->mParserOutput !== false ) {
599 if ( $oldid ) {
600 wfDebug( __METHOD__ . ": showing parser cache contents for current rev permalink\n" );
601 $this->setOldSubtitle( $oldid );
602 } else {
603 wfDebug( __METHOD__ . ": showing parser cache contents\n" );
604 }
605 $outputPage->addParserOutput( $this->mParserOutput );
606 # Ensure that UI elements requiring revision ID have
607 # the correct version information.
608 $outputPage->setRevisionId( $this->mPage->getLatest() );
609 # Preload timestamp to avoid a DB hit
610 $cachedTimestamp = $this->mParserOutput->getTimestamp();
611 if ( $cachedTimestamp !== null ) {
612 $outputPage->setRevisionTimestamp( $cachedTimestamp );
613 $this->mPage->setTimestamp( $cachedTimestamp );
614 }
615 $outputDone = true;
616 }
617 }
618 break;
619 case 3:
620 # This will set $this->mRevision if needed
621 $this->fetchContentObject();
622
623 # Are we looking at an old revision
624 if ( $oldid && $this->mRevision ) {
625 $this->setOldSubtitle( $oldid );
626
627 if ( !$this->showDeletedRevisionHeader() ) {
628 wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
629 wfProfileOut( __METHOD__ );
630 return;
631 }
632 }
633
634 # Ensure that UI elements requiring revision ID have
635 # the correct version information.
636 $outputPage->setRevisionId( $this->getRevIdFetched() );
637 # Preload timestamp to avoid a DB hit
638 $outputPage->setRevisionTimestamp( $this->getTimestamp() );
639
640 # Pages containing custom CSS or JavaScript get special treatment
641 if ( $this->getTitle()->isCssOrJsPage() || $this->getTitle()->isCssJsSubpage() ) {
642 wfDebug( __METHOD__ . ": showing CSS/JS source\n" );
643 $this->showCssOrJsPage();
644 $outputDone = true;
645 } elseif ( !wfRunHooks( 'ArticleContentViewCustom',
646 array( $this->fetchContentObject(), $this->getTitle(), $outputPage ) ) ) {
647
648 # Allow extensions do their own custom view for certain pages
649 $outputDone = true;
650 } elseif ( !ContentHandler::runLegacyHooks( 'ArticleViewCustom',
651 array( $this->fetchContentObject(), $this->getTitle(), $outputPage ) ) ) {
652
653 # Allow extensions do their own custom view for certain pages
654 $outputDone = true;
655 }
656 break;
657 case 4:
658 # Run the parse, protected by a pool counter
659 wfDebug( __METHOD__ . ": doing uncached parse\n" );
660
661 $content = $this->getContentObject();
662 $poolArticleView = new PoolWorkArticleView( $this->getPage(), $parserOptions,
663 $this->getRevIdFetched(), $useParserCache, $content );
664
665 if ( !$poolArticleView->execute() ) {
666 $error = $poolArticleView->getError();
667 if ( $error ) {
668 $outputPage->clearHTML(); // for release() errors
669 $outputPage->enableClientCache( false );
670 $outputPage->setRobotPolicy( 'noindex,nofollow' );
671
672 $errortext = $error->getWikiText( false, 'view-pool-error' );
673 $outputPage->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
674 }
675 # Connection or timeout error
676 wfProfileOut( __METHOD__ );
677 return;
678 }
679
680 $this->mParserOutput = $poolArticleView->getParserOutput();
681 $outputPage->addParserOutput( $this->mParserOutput );
682 if ( $content->getRedirectTarget() ) {
683 $outputPage->addSubtitle( wfMessage( 'redirectpagesub' )->parse() );
684 }
685
686 # Don't cache a dirty ParserOutput object
687 if ( $poolArticleView->getIsDirty() ) {
688 $outputPage->setSquidMaxage( 0 );
689 $outputPage->addHTML( "<!-- parser cache is expired, " .
690 "sending anyway due to pool overload-->\n" );
691 }
692
693 $outputDone = true;
694 break;
695 # Should be unreachable, but just in case...
696 default:
697 break 2;
698 }
699 }
700
701 # Get the ParserOutput actually *displayed* here.
702 # Note that $this->mParserOutput is the *current* version output.
703 $pOutput = ( $outputDone instanceof ParserOutput )
704 ? $outputDone // object fetched by hook
705 : $this->mParserOutput;
706
707 # Adjust title for main page & pages with displaytitle
708 if ( $pOutput ) {
709 $this->adjustDisplayTitle( $pOutput );
710 }
711
712 # For the main page, overwrite the <title> element with the con-
713 # tents of 'pagetitle-view-mainpage' instead of the default (if
714 # that's not empty).
715 # This message always exists because it is in the i18n files
716 if ( $this->getTitle()->isMainPage() ) {
717 $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
718 if ( !$msg->isDisabled() ) {
719 $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
720 }
721 }
722
723 # Check for any __NOINDEX__ tags on the page using $pOutput
724 $policy = $this->getRobotPolicy( 'view', $pOutput );
725 $outputPage->setIndexPolicy( $policy['index'] );
726 $outputPage->setFollowPolicy( $policy['follow'] );
727
728 $this->showViewFooter();
729 $this->mPage->doViewUpdates( $user, $oldid );
730
731 $outputPage->addModules( 'mediawiki.action.view.postEdit' );
732
733 wfProfileOut( __METHOD__ );
734 }
735
736 /**
737 * Adjust title for pages with displaytitle, -{T|}- or language conversion
738 * @param ParserOutput $pOutput
739 */
740 public function adjustDisplayTitle( ParserOutput $pOutput ) {
741 # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
742 $titleText = $pOutput->getTitleText();
743 if ( strval( $titleText ) !== '' ) {
744 $this->getContext()->getOutput()->setPageTitle( $titleText );
745 }
746 }
747
748 /**
749 * Show a diff page according to current request variables. For use within
750 * Article::view() only, other callers should use the DifferenceEngine class.
751 *
752 * @todo Make protected
753 */
754 public function showDiffPage() {
755 $request = $this->getContext()->getRequest();
756 $user = $this->getContext()->getUser();
757 $diff = $request->getVal( 'diff' );
758 $rcid = $request->getVal( 'rcid' );
759 $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
760 $purge = $request->getVal( 'action' ) == 'purge';
761 $unhide = $request->getInt( 'unhide' ) == 1;
762 $oldid = $this->getOldID();
763
764 $rev = $this->getRevisionFetched();
765
766 if ( !$rev ) {
767 $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' ) );
768 $this->getContext()->getOutput()->addWikiMsg( 'difference-missing-revision', $oldid, 1 );
769 return;
770 }
771
772 $contentHandler = $rev->getContentHandler();
773 $de = $contentHandler->createDifferenceEngine(
774 $this->getContext(),
775 $oldid,
776 $diff,
777 $rcid,
778 $purge,
779 $unhide
780 );
781
782 // DifferenceEngine directly fetched the revision:
783 $this->mRevIdFetched = $de->mNewid;
784 $de->showDiffPage( $diffOnly );
785
786 // Run view updates for the newer revision being diffed (and shown
787 // below the diff if not $diffOnly).
788 list( $old, $new ) = $de->mapDiffPrevNext( $oldid, $diff );
789 // New can be false, convert it to 0 - this conveniently means the latest revision
790 $this->mPage->doViewUpdates( $user, (int)$new );
791 }
792
793 /**
794 * Show a page view for a page formatted as CSS or JavaScript. To be called by
795 * Article::view() only.
796 *
797 * This exists mostly to serve the deprecated ShowRawCssJs hook (used to customize these views).
798 * It has been replaced by the ContentGetParserOutput hook, which lets you do the same but with
799 * more flexibility.
800 *
801 * @param bool $showCacheHint Whether to show a message telling the user
802 * to clear the browser cache (default: true).
803 */
804 protected function showCssOrJsPage( $showCacheHint = true ) {
805 $outputPage = $this->getContext()->getOutput();
806
807 if ( $showCacheHint ) {
808 $dir = $this->getContext()->getLanguage()->getDir();
809 $lang = $this->getContext()->getLanguage()->getCode();
810
811 $outputPage->wrapWikiMsg(
812 "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
813 'clearyourcache'
814 );
815 }
816
817 $this->fetchContentObject();
818
819 if ( $this->mContentObject ) {
820 // Give hooks a chance to customise the output
821 if ( ContentHandler::runLegacyHooks(
822 'ShowRawCssJs',
823 array( $this->mContentObject, $this->getTitle(), $outputPage ) )
824 ) {
825 $po = $this->mContentObject->getParserOutput( $this->getTitle() );
826 $outputPage->addHTML( $po->getText() );
827 }
828 }
829 }
830
831 /**
832 * Get the robot policy to be used for the current view
833 * @param string $action The action= GET parameter
834 * @param ParserOutput|null $pOutput
835 * @return array The policy that should be set
836 * @todo: actions other than 'view'
837 */
838 public function getRobotPolicy( $action, $pOutput = null ) {
839 global $wgArticleRobotPolicies, $wgNamespaceRobotPolicies, $wgDefaultRobotPolicy;
840
841 $ns = $this->getTitle()->getNamespace();
842
843 # Don't index user and user talk pages for blocked users (bug 11443)
844 if ( ( $ns == NS_USER || $ns == NS_USER_TALK ) && !$this->getTitle()->isSubpage() ) {
845 $specificTarget = null;
846 $vagueTarget = null;
847 $titleText = $this->getTitle()->getText();
848 if ( IP::isValid( $titleText ) ) {
849 $vagueTarget = $titleText;
850 } else {
851 $specificTarget = $titleText;
852 }
853 if ( Block::newFromTarget( $specificTarget, $vagueTarget ) instanceof Block ) {
854 return array(
855 'index' => 'noindex',
856 'follow' => 'nofollow'
857 );
858 }
859 }
860
861 if ( $this->mPage->getID() === 0 || $this->getOldID() ) {
862 # Non-articles (special pages etc), and old revisions
863 return array(
864 'index' => 'noindex',
865 'follow' => 'nofollow'
866 );
867 } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
868 # Discourage indexing of printable versions, but encourage following
869 return array(
870 'index' => 'noindex',
871 'follow' => 'follow'
872 );
873 } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
874 # For ?curid=x urls, disallow indexing
875 return array(
876 'index' => 'noindex',
877 'follow' => 'follow'
878 );
879 }
880
881 # Otherwise, construct the policy based on the various config variables.
882 $policy = self::formatRobotPolicy( $wgDefaultRobotPolicy );
883
884 if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
885 # Honour customised robot policies for this namespace
886 $policy = array_merge(
887 $policy,
888 self::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
889 );
890 }
891 if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
892 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
893 # a final sanity check that we have really got the parser output.
894 $policy = array_merge(
895 $policy,
896 array( 'index' => $pOutput->getIndexPolicy() )
897 );
898 }
899
900 if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
901 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
902 $policy = array_merge(
903 $policy,
904 self::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
905 );
906 }
907
908 return $policy;
909 }
910
911 /**
912 * Converts a String robot policy into an associative array, to allow
913 * merging of several policies using array_merge().
914 * @param array|string $policy Returns empty array on null/false/'', transparent
915 * to already-converted arrays, converts string.
916 * @return array 'index' => \<indexpolicy\>, 'follow' => \<followpolicy\>
917 */
918 public static function formatRobotPolicy( $policy ) {
919 if ( is_array( $policy ) ) {
920 return $policy;
921 } elseif ( !$policy ) {
922 return array();
923 }
924
925 $policy = explode( ',', $policy );
926 $policy = array_map( 'trim', $policy );
927
928 $arr = array();
929 foreach ( $policy as $var ) {
930 if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
931 $arr['index'] = $var;
932 } elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
933 $arr['follow'] = $var;
934 }
935 }
936
937 return $arr;
938 }
939
940 /**
941 * If this request is a redirect view, send "redirected from" subtitle to
942 * the output. Returns true if the header was needed, false if this is not
943 * a redirect view. Handles both local and remote redirects.
944 *
945 * @return bool
946 */
947 public function showRedirectedFromHeader() {
948 global $wgRedirectSources;
949 $outputPage = $this->getContext()->getOutput();
950
951 $rdfrom = $this->getContext()->getRequest()->getVal( 'rdfrom' );
952
953 if ( isset( $this->mRedirectedFrom ) ) {
954 // This is an internally redirected page view.
955 // We'll need a backlink to the source page for navigation.
956 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
957 $redir = Linker::linkKnown(
958 $this->mRedirectedFrom,
959 null,
960 array(),
961 array( 'redirect' => 'no' )
962 );
963
964 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
965
966 // Set the fragment if one was specified in the redirect
967 if ( $this->getTitle()->hasFragment() ) {
968 $outputPage->addJsConfigVars( 'wgRedirectToFragment', $this->getTitle()->getFragmentForURL() );
969 $outputPage->addModules( 'mediawiki.action.view.redirectToFragment' );
970 }
971
972 // Add a <link rel="canonical"> tag
973 $outputPage->setCanonicalUrl( $this->getTitle()->getLocalURL() );
974
975 // Tell the output object that the user arrived at this article through a redirect
976 $outputPage->setRedirectedFrom( $this->mRedirectedFrom );
977
978 return true;
979 }
980 } elseif ( $rdfrom ) {
981 // This is an externally redirected view, from some other wiki.
982 // If it was reported from a trusted site, supply a backlink.
983 if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
984 $redir = Linker::makeExternalLink( $rdfrom, $rdfrom );
985 $outputPage->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
986
987 return true;
988 }
989 }
990
991 return false;
992 }
993
994 /**
995 * Show a header specific to the namespace currently being viewed, like
996 * [[MediaWiki:Talkpagetext]]. For Article::view().
997 */
998 public function showNamespaceHeader() {
999 if ( $this->getTitle()->isTalkPage() ) {
1000 if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
1001 $this->getContext()->getOutput()->wrapWikiMsg(
1002 "<div class=\"mw-talkpageheader\">\n$1\n</div>",
1003 array( 'talkpageheader' )
1004 );
1005 }
1006 }
1007 }
1008
1009 /**
1010 * Show the footer section of an ordinary page view
1011 */
1012 public function showViewFooter() {
1013 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1014 if ( $this->getTitle()->getNamespace() == NS_USER_TALK
1015 && IP::isValid( $this->getTitle()->getText() )
1016 ) {
1017 $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
1018 }
1019
1020 // Show a footer allowing the user to patrol the shown revision or page if possible
1021 $patrolFooterShown = $this->showPatrolFooter();
1022
1023 wfRunHooks( 'ArticleViewFooter', array( $this, $patrolFooterShown ) );
1024 }
1025
1026 /**
1027 * If patrol is possible, output a patrol UI box. This is called from the
1028 * footer section of ordinary page views. If patrol is not possible or not
1029 * desired, does nothing.
1030 * Side effect: When the patrol link is build, this method will call
1031 * OutputPage::preventClickjacking() and load mediawiki.page.patrol.ajax.
1032 *
1033 * @return bool
1034 */
1035 public function showPatrolFooter() {
1036 global $wgUseNPPatrol, $wgUseRCPatrol, $wgEnableAPI, $wgEnableWriteAPI;
1037
1038 $outputPage = $this->getContext()->getOutput();
1039 $user = $this->getContext()->getUser();
1040 $cache = wfGetMainCache();
1041 $rc = false;
1042
1043 if ( !$this->getTitle()->quickUserCan( 'patrol', $user )
1044 || !( $wgUseRCPatrol || $wgUseNPPatrol )
1045 ) {
1046 // Patrolling is disabled or the user isn't allowed to
1047 return false;
1048 }
1049
1050 wfProfileIn( __METHOD__ );
1051
1052 // New page patrol: Get the timestamp of the oldest revison which
1053 // the revision table holds for the given page. Then we look
1054 // whether it's within the RC lifespan and if it is, we try
1055 // to get the recentchanges row belonging to that entry
1056 // (with rc_new = 1).
1057
1058 // Check for cached results
1059 if ( $cache->get( wfMemcKey( 'NotPatrollablePage', $this->getTitle()->getArticleID() ) ) ) {
1060 wfProfileOut( __METHOD__ );
1061 return false;
1062 }
1063
1064 if ( $this->mRevision
1065 && !RecentChange::isInRCLifespan( $this->mRevision->getTimestamp(), 21600 )
1066 ) {
1067 // The current revision is already older than what could be in the RC table
1068 // 6h tolerance because the RC might not be cleaned out regularly
1069 wfProfileOut( __METHOD__ );
1070 return false;
1071 }
1072
1073 $dbr = wfGetDB( DB_SLAVE );
1074 $oldestRevisionTimestamp = $dbr->selectField(
1075 'revision',
1076 'MIN( rev_timestamp )',
1077 array( 'rev_page' => $this->getTitle()->getArticleID() ),
1078 __METHOD__
1079 );
1080
1081 if ( $oldestRevisionTimestamp
1082 && RecentChange::isInRCLifespan( $oldestRevisionTimestamp, 21600 )
1083 ) {
1084 // 6h tolerance because the RC might not be cleaned out regularly
1085 $rc = RecentChange::newFromConds(
1086 array(
1087 'rc_new' => 1,
1088 'rc_timestamp' => $oldestRevisionTimestamp,
1089 'rc_namespace' => $this->getTitle()->getNamespace(),
1090 'rc_cur_id' => $this->getTitle()->getArticleID(),
1091 'rc_patrolled' => 0
1092 ),
1093 __METHOD__,
1094 array( 'USE INDEX' => 'new_name_timestamp' )
1095 );
1096 }
1097
1098 if ( !$rc ) {
1099 // No RC entry around
1100
1101 // Cache the information we gathered above in case we can't patrol
1102 // Don't cache in case we can patrol as this could change
1103 $cache->set( wfMemcKey( 'NotPatrollablePage', $this->getTitle()->getArticleID() ), '1' );
1104
1105 wfProfileOut( __METHOD__ );
1106 return false;
1107 }
1108
1109 if ( $rc->getPerformer()->getName() == $user->getName() ) {
1110 // Don't show a patrol link for own creations. If the user could
1111 // patrol them, they already would be patrolled
1112 wfProfileOut( __METHOD__ );
1113 return false;
1114 }
1115
1116 $rcid = $rc->getAttribute( 'rc_id' );
1117
1118 $token = $user->getEditToken( $rcid );
1119
1120 $outputPage->preventClickjacking();
1121 if ( $wgEnableAPI && $wgEnableWriteAPI && $user->isAllowed( 'writeapi' ) ) {
1122 $outputPage->addModules( 'mediawiki.page.patrol.ajax' );
1123 }
1124
1125 $link = Linker::linkKnown(
1126 $this->getTitle(),
1127 wfMessage( 'markaspatrolledtext' )->escaped(),
1128 array(),
1129 array(
1130 'action' => 'markpatrolled',
1131 'rcid' => $rcid,
1132 'token' => $token,
1133 )
1134 );
1135
1136 $outputPage->addHTML(
1137 "<div class='patrollink'>" .
1138 wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
1139 '</div>'
1140 );
1141
1142 wfProfileOut( __METHOD__ );
1143 return true;
1144 }
1145
1146 /**
1147 * Show the error text for a missing article. For articles in the MediaWiki
1148 * namespace, show the default message text. To be called from Article::view().
1149 */
1150 public function showMissingArticle() {
1151 global $wgSend404Code;
1152 $outputPage = $this->getContext()->getOutput();
1153 // Whether the page is a root user page of an existing user (but not a subpage)
1154 $validUserPage = false;
1155
1156 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1157 if ( $this->getTitle()->getNamespace() == NS_USER
1158 || $this->getTitle()->getNamespace() == NS_USER_TALK
1159 ) {
1160 $parts = explode( '/', $this->getTitle()->getText() );
1161 $rootPart = $parts[0];
1162 $user = User::newFromName( $rootPart, false /* allow IP users*/ );
1163 $ip = User::isIP( $rootPart );
1164
1165 if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
1166 $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
1167 array( 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ) );
1168 } elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
1169 LogEventsList::showLogExtract(
1170 $outputPage,
1171 'block',
1172 $user->getUserPage(),
1173 '',
1174 array(
1175 'lim' => 1,
1176 'showIfEmpty' => false,
1177 'msgKey' => array(
1178 'blocked-notice-logextract',
1179 $user->getName() # Support GENDER in notice
1180 )
1181 )
1182 );
1183 $validUserPage = !$this->getTitle()->isSubpage();
1184 } else {
1185 $validUserPage = !$this->getTitle()->isSubpage();
1186 }
1187 }
1188
1189 wfRunHooks( 'ShowMissingArticle', array( $this ) );
1190
1191 // Give extensions a chance to hide their (unrelated) log entries
1192 $logTypes = array( 'delete', 'move' );
1193 $conds = array( "log_action != 'revision'" );
1194 wfRunHooks( 'Article::MissingArticleConditions', array( &$conds, $logTypes ) );
1195
1196 # Show delete and move logs
1197 LogEventsList::showLogExtract( $outputPage, $logTypes, $this->getTitle(), '',
1198 array( 'lim' => 10,
1199 'conds' => $conds,
1200 'showIfEmpty' => false,
1201 'msgKey' => array( 'moveddeleted-notice' ) )
1202 );
1203
1204 if ( !$this->mPage->hasViewableContent() && $wgSend404Code && !$validUserPage ) {
1205 // If there's no backing content, send a 404 Not Found
1206 // for better machine handling of broken links.
1207 $this->getContext()->getRequest()->response()->header( "HTTP/1.1 404 Not Found" );
1208 }
1209
1210 if ( $validUserPage ) {
1211 // Also apply the robot policy for nonexisting user pages (as those aren't served as 404)
1212 $policy = $this->getRobotPolicy( 'view' );
1213 $outputPage->setIndexPolicy( $policy['index'] );
1214 $outputPage->setFollowPolicy( $policy['follow'] );
1215 }
1216
1217 $hookResult = wfRunHooks( 'BeforeDisplayNoArticleText', array( $this ) );
1218
1219 if ( ! $hookResult ) {
1220 return;
1221 }
1222
1223 # Show error message
1224 $oldid = $this->getOldID();
1225 if ( $oldid ) {
1226 $text = wfMessage( 'missing-revision', $oldid )->plain();
1227 } elseif ( $this->getTitle()->getNamespace() === NS_MEDIAWIKI ) {
1228 // Use the default message text
1229 $text = $this->getTitle()->getDefaultMessageText();
1230 } elseif ( $this->getTitle()->quickUserCan( 'create', $this->getContext()->getUser() )
1231 && $this->getTitle()->quickUserCan( 'edit', $this->getContext()->getUser() )
1232 ) {
1233 $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
1234 $text = wfMessage( $message )->plain();
1235 } else {
1236 $text = wfMessage( 'noarticletext-nopermission' )->plain();
1237 }
1238 $text = "<div class='noarticletext'>\n$text\n</div>";
1239
1240 $outputPage->addWikiText( $text );
1241 }
1242
1243 /**
1244 * If the revision requested for view is deleted, check permissions.
1245 * Send either an error message or a warning header to the output.
1246 *
1247 * @return bool true if the view is allowed, false if not.
1248 */
1249 public function showDeletedRevisionHeader() {
1250 if ( !$this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
1251 // Not deleted
1252 return true;
1253 }
1254
1255 $outputPage = $this->getContext()->getOutput();
1256 $user = $this->getContext()->getUser();
1257 // If the user is not allowed to see it...
1258 if ( !$this->mRevision->userCan( Revision::DELETED_TEXT, $user ) ) {
1259 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1260 'rev-deleted-text-permission' );
1261
1262 return false;
1263 // If the user needs to confirm that they want to see it...
1264 } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
1265 # Give explanation and add a link to view the revision...
1266 $oldid = intval( $this->getOldID() );
1267 $link = $this->getTitle()->getFullURL( "oldid={$oldid}&unhide=1" );
1268 $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
1269 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1270 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1271 array( $msg, $link ) );
1272
1273 return false;
1274 // We are allowed to see...
1275 } else {
1276 $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
1277 'rev-suppressed-text-view' : 'rev-deleted-text-view';
1278 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1279
1280 return true;
1281 }
1282 }
1283
1284 /**
1285 * Generate the navigation links when browsing through an article revisions
1286 * It shows the information as:
1287 * Revision as of \<date\>; view current revision
1288 * \<- Previous version | Next Version -\>
1289 *
1290 * @param int $oldid Revision ID of this article revision
1291 */
1292 public function setOldSubtitle( $oldid = 0 ) {
1293 if ( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
1294 return;
1295 }
1296
1297 $unhide = $this->getContext()->getRequest()->getInt( 'unhide' ) == 1;
1298
1299 # Cascade unhide param in links for easy deletion browsing
1300 $extraParams = array();
1301 if ( $unhide ) {
1302 $extraParams['unhide'] = 1;
1303 }
1304
1305 if ( $this->mRevision && $this->mRevision->getId() === $oldid ) {
1306 $revision = $this->mRevision;
1307 } else {
1308 $revision = Revision::newFromId( $oldid );
1309 }
1310
1311 $timestamp = $revision->getTimestamp();
1312
1313 $current = ( $oldid == $this->mPage->getLatest() );
1314 $language = $this->getContext()->getLanguage();
1315 $user = $this->getContext()->getUser();
1316
1317 $td = $language->userTimeAndDate( $timestamp, $user );
1318 $tddate = $language->userDate( $timestamp, $user );
1319 $tdtime = $language->userTime( $timestamp, $user );
1320
1321 # Show user links if allowed to see them. If hidden, then show them only if requested...
1322 $userlinks = Linker::revUserTools( $revision, !$unhide );
1323
1324 $infomsg = $current && !wfMessage( 'revision-info-current' )->isDisabled()
1325 ? 'revision-info-current'
1326 : 'revision-info';
1327
1328 $outputPage = $this->getContext()->getOutput();
1329 $outputPage->addSubtitle( "<div id=\"mw-{$infomsg}\">" . wfMessage( $infomsg,
1330 $td )->rawParams( $userlinks )->params( $revision->getID(), $tddate,
1331 $tdtime, $revision->getUser() )->parse() . "</div>" );
1332
1333 $lnk = $current
1334 ? wfMessage( 'currentrevisionlink' )->escaped()
1335 : Linker::linkKnown(
1336 $this->getTitle(),
1337 wfMessage( 'currentrevisionlink' )->escaped(),
1338 array(),
1339 $extraParams
1340 );
1341 $curdiff = $current
1342 ? wfMessage( 'diff' )->escaped()
1343 : Linker::linkKnown(
1344 $this->getTitle(),
1345 wfMessage( 'diff' )->escaped(),
1346 array(),
1347 array(
1348 'diff' => 'cur',
1349 'oldid' => $oldid
1350 ) + $extraParams
1351 );
1352 $prev = $this->getTitle()->getPreviousRevisionID( $oldid );
1353 $prevlink = $prev
1354 ? Linker::linkKnown(
1355 $this->getTitle(),
1356 wfMessage( 'previousrevision' )->escaped(),
1357 array(),
1358 array(
1359 'direction' => 'prev',
1360 'oldid' => $oldid
1361 ) + $extraParams
1362 )
1363 : wfMessage( 'previousrevision' )->escaped();
1364 $prevdiff = $prev
1365 ? Linker::linkKnown(
1366 $this->getTitle(),
1367 wfMessage( 'diff' )->escaped(),
1368 array(),
1369 array(
1370 'diff' => 'prev',
1371 'oldid' => $oldid
1372 ) + $extraParams
1373 )
1374 : wfMessage( 'diff' )->escaped();
1375 $nextlink = $current
1376 ? wfMessage( 'nextrevision' )->escaped()
1377 : Linker::linkKnown(
1378 $this->getTitle(),
1379 wfMessage( 'nextrevision' )->escaped(),
1380 array(),
1381 array(
1382 'direction' => 'next',
1383 'oldid' => $oldid
1384 ) + $extraParams
1385 );
1386 $nextdiff = $current
1387 ? wfMessage( 'diff' )->escaped()
1388 : Linker::linkKnown(
1389 $this->getTitle(),
1390 wfMessage( 'diff' )->escaped(),
1391 array(),
1392 array(
1393 'diff' => 'next',
1394 'oldid' => $oldid
1395 ) + $extraParams
1396 );
1397
1398 $cdel = Linker::getRevDeleteLink( $user, $revision, $this->getTitle() );
1399 if ( $cdel !== '' ) {
1400 $cdel .= ' ';
1401 }
1402
1403 $outputPage->addSubtitle( "<div id=\"mw-revision-nav\">" . $cdel .
1404 wfMessage( 'revision-nav' )->rawParams(
1405 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
1406 )->escaped() . "</div>" );
1407 }
1408
1409 /**
1410 * Return the HTML for the top of a redirect page
1411 *
1412 * Chances are you should just be using the ParserOutput from
1413 * WikitextContent::getParserOutput instead of calling this for redirects.
1414 *
1415 * @param Title|array $target Destination(s) to redirect
1416 * @param bool $appendSubtitle [optional]
1417 * @param bool $forceKnown Should the image be shown as a bluelink regardless of existence?
1418 * @return string Containing HMTL with redirect link
1419 */
1420 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1421 $lang = $this->getTitle()->getPageLanguage();
1422 if ( $appendSubtitle ) {
1423 $out = $this->getContext()->getOutput();
1424 $out->addSubtitle( wfMessage( 'redirectpagesub' )->parse() );
1425 }
1426 return static::getRedirectHeaderHtml( $lang, $target, $forceKnown );
1427 }
1428
1429 /**
1430 * Return the HTML for the top of a redirect page
1431 *
1432 * Chances are you should just be using the ParserOutput from
1433 * WikitextContent::getParserOutput instead of calling this for redirects.
1434 *
1435 * @since 1.23
1436 * @param Language $lang
1437 * @param Title|array $target Destination(s) to redirect
1438 * @param bool $forceKnown Should the image be shown as a bluelink regardless of existence?
1439 * @return string Containing HMTL with redirect link
1440 */
1441 public static function getRedirectHeaderHtml( Language $lang, $target, $forceKnown = false ) {
1442 global $wgStylePath;
1443
1444 if ( !is_array( $target ) ) {
1445 $target = array( $target );
1446 }
1447
1448 $imageDir = $lang->getDir();
1449
1450 // the loop prepends the arrow image before the link, so the first case needs to be outside
1451
1452 /** @var $title Title */
1453 $title = array_shift( $target );
1454
1455 if ( $forceKnown ) {
1456 $link = Linker::linkKnown( $title, htmlspecialchars( $title->getFullText() ) );
1457 } else {
1458 $link = Linker::link( $title, htmlspecialchars( $title->getFullText() ) );
1459 }
1460
1461 $nextRedirect = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1462 $alt = $lang->isRTL() ? '←' : '→';
1463
1464 // Automatically append redirect=no to each link, since most of them are
1465 // redirect pages themselves.
1466 /** @var Title $rt */
1467 foreach ( $target as $rt ) {
1468 $link .= Html::element( 'img', array( 'src' => $nextRedirect, 'alt' => $alt ) );
1469 if ( $forceKnown ) {
1470 $link .= Linker::linkKnown(
1471 $rt,
1472 htmlspecialchars( $rt->getFullText(),
1473 array(),
1474 array( 'redirect' => 'no' )
1475 )
1476 );
1477 } else {
1478 $link .= Linker::link(
1479 $rt,
1480 htmlspecialchars( $rt->getFullText() ),
1481 array(),
1482 array( 'redirect' => 'no' )
1483 );
1484 }
1485 }
1486
1487 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1488 return '<div class="redirectMsg">' .
1489 Html::element( 'img', array( 'src' => $imageUrl, 'alt' => '#REDIRECT' ) ) .
1490 '<span class="redirectText">' . $link . '</span></div>';
1491 }
1492
1493 /**
1494 * Handle action=render
1495 */
1496 public function render() {
1497 $this->getContext()->getOutput()->setArticleBodyOnly( true );
1498 $this->getContext()->getOutput()->enableSectionEditLinks( false );
1499 $this->view();
1500 }
1501
1502 /**
1503 * action=protect handler
1504 */
1505 public function protect() {
1506 $form = new ProtectionForm( $this );
1507 $form->execute();
1508 }
1509
1510 /**
1511 * action=unprotect handler (alias)
1512 */
1513 public function unprotect() {
1514 $this->protect();
1515 }
1516
1517 /**
1518 * UI entry point for page deletion
1519 */
1520 public function delete() {
1521 # This code desperately needs to be totally rewritten
1522
1523 $title = $this->getTitle();
1524 $user = $this->getContext()->getUser();
1525
1526 # Check permissions
1527 $permission_errors = $title->getUserPermissionsErrors( 'delete', $user );
1528 if ( count( $permission_errors ) ) {
1529 throw new PermissionsError( 'delete', $permission_errors );
1530 }
1531
1532 # Read-only check...
1533 if ( wfReadOnly() ) {
1534 throw new ReadOnlyError;
1535 }
1536
1537 # Better double-check that it hasn't been deleted yet!
1538 $this->mPage->loadPageData( 'fromdbmaster' );
1539 if ( !$this->mPage->exists() ) {
1540 $deleteLogPage = new LogPage( 'delete' );
1541 $outputPage = $this->getContext()->getOutput();
1542 $outputPage->setPageTitle( wfMessage( 'cannotdelete-title', $title->getPrefixedText() ) );
1543 $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1544 array( 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) )
1545 );
1546 $outputPage->addHTML(
1547 Xml::element( 'h2', null, $deleteLogPage->getName()->text() )
1548 );
1549 LogEventsList::showLogExtract(
1550 $outputPage,
1551 'delete',
1552 $title
1553 );
1554
1555 return;
1556 }
1557
1558 $request = $this->getContext()->getRequest();
1559 $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
1560 $deleteReason = $request->getText( 'wpReason' );
1561
1562 if ( $deleteReasonList == 'other' ) {
1563 $reason = $deleteReason;
1564 } elseif ( $deleteReason != '' ) {
1565 // Entry from drop down menu + additional comment
1566 $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
1567 $reason = $deleteReasonList . $colonseparator . $deleteReason;
1568 } else {
1569 $reason = $deleteReasonList;
1570 }
1571
1572 if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
1573 array( 'delete', $this->getTitle()->getPrefixedText() ) )
1574 ) {
1575 # Flag to hide all contents of the archived revisions
1576 $suppress = $request->getVal( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
1577
1578 $this->doDelete( $reason, $suppress );
1579
1580 WatchAction::doWatchOrUnwatch( $request->getCheck( 'wpWatch' ), $title, $user );
1581
1582 return;
1583 }
1584
1585 // Generate deletion reason
1586 $hasHistory = false;
1587 if ( !$reason ) {
1588 try {
1589 $reason = $this->generateReason( $hasHistory );
1590 } catch ( MWException $e ) {
1591 # if a page is horribly broken, we still want to be able to
1592 # delete it. So be lenient about errors here.
1593 wfDebug( "Error while building auto delete summary: $e" );
1594 $reason = '';
1595 }
1596 }
1597
1598 // If the page has a history, insert a warning
1599 if ( $hasHistory ) {
1600 $revisions = $this->mTitle->estimateRevisionCount();
1601 // @todo FIXME: i18n issue/patchwork message
1602 $this->getContext()->getOutput()->addHTML( '<strong class="mw-delete-warning-revisions">' .
1603 wfMessage( 'historywarning' )->numParams( $revisions )->parse() .
1604 wfMessage( 'word-separator' )->plain() . Linker::linkKnown( $title,
1605 wfMessage( 'history' )->escaped(),
1606 array( 'rel' => 'archives' ),
1607 array( 'action' => 'history' ) ) .
1608 '</strong>'
1609 );
1610
1611 if ( $this->mTitle->isBigDeletion() ) {
1612 global $wgDeleteRevisionsLimit;
1613 $this->getContext()->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1614 array(
1615 'delete-warning-toobig',
1616 $this->getContext()->getLanguage()->formatNum( $wgDeleteRevisionsLimit )
1617 )
1618 );
1619 }
1620 }
1621
1622 $this->confirmDelete( $reason );
1623 }
1624
1625 /**
1626 * Output deletion confirmation dialog
1627 * @todo FIXME: Move to another file?
1628 * @param string $reason Prefilled reason
1629 */
1630 public function confirmDelete( $reason ) {
1631 wfDebug( "Article::confirmDelete\n" );
1632
1633 $outputPage = $this->getContext()->getOutput();
1634 $outputPage->setPageTitle( wfMessage( 'delete-confirm', $this->getTitle()->getPrefixedText() ) );
1635 $outputPage->addBacklinkSubtitle( $this->getTitle() );
1636 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1637 $backlinkCache = $this->getTitle()->getBacklinkCache();
1638 if ( $backlinkCache->hasLinks( 'pagelinks' ) || $backlinkCache->hasLinks( 'templatelinks' ) ) {
1639 $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1640 'deleting-backlinks-warning' );
1641 }
1642 $outputPage->addWikiMsg( 'confirmdeletetext' );
1643
1644 wfRunHooks( 'ArticleConfirmDelete', array( $this, $outputPage, &$reason ) );
1645
1646 $user = $this->getContext()->getUser();
1647
1648 if ( $user->isAllowed( 'suppressrevision' ) ) {
1649 $suppress = "<tr id=\"wpDeleteSuppressRow\">
1650 <td></td>
1651 <td class='mw-input'><strong>" .
1652 Xml::checkLabel( wfMessage( 'revdelete-suppress' )->text(),
1653 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
1654 "</strong></td>
1655 </tr>";
1656 } else {
1657 $suppress = '';
1658 }
1659 $checkWatch = $user->getBoolOption( 'watchdeletion' ) || $user->isWatched( $this->getTitle() );
1660
1661 $form = Xml::openElement( 'form', array( 'method' => 'post',
1662 'action' => $this->getTitle()->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
1663 Xml::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
1664 Xml::tags( 'legend', null, wfMessage( 'delete-legend' )->escaped() ) .
1665 Xml::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
1666 "<tr id=\"wpDeleteReasonListRow\">
1667 <td class='mw-label'>" .
1668 Xml::label( wfMessage( 'deletecomment' )->text(), 'wpDeleteReasonList' ) .
1669 "</td>
1670 <td class='mw-input'>" .
1671 Xml::listDropDown(
1672 'wpDeleteReasonList',
1673 wfMessage( 'deletereason-dropdown' )->inContentLanguage()->text(),
1674 wfMessage( 'deletereasonotherlist' )->inContentLanguage()->text(),
1675 '',
1676 'wpReasonDropDown',
1677 1
1678 ) .
1679 "</td>
1680 </tr>
1681 <tr id=\"wpDeleteReasonRow\">
1682 <td class='mw-label'>" .
1683 Xml::label( wfMessage( 'deleteotherreason' )->text(), 'wpReason' ) .
1684 "</td>
1685 <td class='mw-input'>" .
1686 Html::input( 'wpReason', $reason, 'text', array(
1687 'size' => '60',
1688 'maxlength' => '255',
1689 'tabindex' => '2',
1690 'id' => 'wpReason',
1691 'autofocus'
1692 ) ) .
1693 "</td>
1694 </tr>";
1695
1696 # Disallow watching if user is not logged in
1697 if ( $user->isLoggedIn() ) {
1698 $form .= "
1699 <tr>
1700 <td></td>
1701 <td class='mw-input'>" .
1702 Xml::checkLabel( wfMessage( 'watchthis' )->text(),
1703 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
1704 "</td>
1705 </tr>";
1706 }
1707
1708 $form .= "
1709 $suppress
1710 <tr>
1711 <td></td>
1712 <td class='mw-submit'>" .
1713 Xml::submitButton( wfMessage( 'deletepage' )->text(),
1714 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
1715 "</td>
1716 </tr>" .
1717 Xml::closeElement( 'table' ) .
1718 Xml::closeElement( 'fieldset' ) .
1719 Html::hidden(
1720 'wpEditToken',
1721 $user->getEditToken( array( 'delete', $this->getTitle()->getPrefixedText() ) )
1722 ) .
1723 Xml::closeElement( 'form' );
1724
1725 if ( $user->isAllowed( 'editinterface' ) ) {
1726 $title = Title::makeTitle( NS_MEDIAWIKI, 'Deletereason-dropdown' );
1727 $link = Linker::link(
1728 $title,
1729 wfMessage( 'delete-edit-reasonlist' )->escaped(),
1730 array(),
1731 array( 'action' => 'edit' )
1732 );
1733 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
1734 }
1735
1736 $outputPage->addHTML( $form );
1737
1738 $deleteLogPage = new LogPage( 'delete' );
1739 $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1740 LogEventsList::showLogExtract( $outputPage, 'delete',
1741 $this->getTitle()
1742 );
1743 }
1744
1745 /**
1746 * Perform a deletion and output success or failure messages
1747 * @param string $reason
1748 * @param bool $suppress
1749 */
1750 public function doDelete( $reason, $suppress = false ) {
1751 $error = '';
1752 $outputPage = $this->getContext()->getOutput();
1753 $status = $this->mPage->doDeleteArticleReal( $reason, $suppress, 0, true, $error );
1754
1755 if ( $status->isGood() ) {
1756 $deleted = $this->getTitle()->getPrefixedText();
1757
1758 $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
1759 $outputPage->setRobotPolicy( 'noindex,nofollow' );
1760
1761 $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
1762
1763 $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
1764 $outputPage->returnToMain( false );
1765 } else {
1766 $outputPage->setPageTitle(
1767 wfMessage( 'cannotdelete-title',
1768 $this->getTitle()->getPrefixedText() )
1769 );
1770
1771 if ( $error == '' ) {
1772 $outputPage->addWikiText(
1773 "<div class=\"error mw-error-cannotdelete\">\n" . $status->getWikiText() . "\n</div>"
1774 );
1775 $deleteLogPage = new LogPage( 'delete' );
1776 $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1777
1778 LogEventsList::showLogExtract(
1779 $outputPage,
1780 'delete',
1781 $this->getTitle()
1782 );
1783 } else {
1784 $outputPage->addHTML( $error );
1785 }
1786 }
1787 }
1788
1789 /* Caching functions */
1790
1791 /**
1792 * checkLastModified returns true if it has taken care of all
1793 * output to the client that is necessary for this request.
1794 * (that is, it has sent a cached version of the page)
1795 *
1796 * @return bool true if cached version send, false otherwise
1797 */
1798 protected function tryFileCache() {
1799 static $called = false;
1800
1801 if ( $called ) {
1802 wfDebug( "Article::tryFileCache(): called twice!?\n" );
1803 return false;
1804 }
1805
1806 $called = true;
1807 if ( $this->isFileCacheable() ) {
1808 $cache = HTMLFileCache::newFromTitle( $this->getTitle(), 'view' );
1809 if ( $cache->isCacheGood( $this->mPage->getTouched() ) ) {
1810 wfDebug( "Article::tryFileCache(): about to load file\n" );
1811 $cache->loadFromFileCache( $this->getContext() );
1812 return true;
1813 } else {
1814 wfDebug( "Article::tryFileCache(): starting buffer\n" );
1815 ob_start( array( &$cache, 'saveToFileCache' ) );
1816 }
1817 } else {
1818 wfDebug( "Article::tryFileCache(): not cacheable\n" );
1819 }
1820
1821 return false;
1822 }
1823
1824 /**
1825 * Check if the page can be cached
1826 * @return bool
1827 */
1828 public function isFileCacheable() {
1829 $cacheable = false;
1830
1831 if ( HTMLFileCache::useFileCache( $this->getContext() ) ) {
1832 $cacheable = $this->mPage->getID()
1833 && !$this->mRedirectedFrom && !$this->getTitle()->isRedirect();
1834 // Extension may have reason to disable file caching on some pages.
1835 if ( $cacheable ) {
1836 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
1837 }
1838 }
1839
1840 return $cacheable;
1841 }
1842
1843 /**#@-*/
1844
1845 /**
1846 * Lightweight method to get the parser output for a page, checking the parser cache
1847 * and so on. Doesn't consider most of the stuff that WikiPage::view is forced to
1848 * consider, so it's not appropriate to use there.
1849 *
1850 * @since 1.16 (r52326) for LiquidThreads
1851 *
1852 * @param int|null $oldid Revision ID or null
1853 * @param User $user The relevant user
1854 * @return ParserOutput|bool ParserOutput or false if the given revision ID is not found
1855 */
1856 public function getParserOutput( $oldid = null, User $user = null ) {
1857 //XXX: bypasses mParserOptions and thus setParserOptions()
1858
1859 if ( $user === null ) {
1860 $parserOptions = $this->getParserOptions();
1861 } else {
1862 $parserOptions = $this->mPage->makeParserOptions( $user );
1863 }
1864
1865 return $this->mPage->getParserOutput( $parserOptions, $oldid );
1866 }
1867
1868 /**
1869 * Override the ParserOptions used to render the primary article wikitext.
1870 *
1871 * @param ParserOptions $options
1872 * @throws MWException if the parser options where already initialized.
1873 */
1874 public function setParserOptions( ParserOptions $options ) {
1875 if ( $this->mParserOptions ) {
1876 throw new MWException( "can't change parser options after they have already been set" );
1877 }
1878
1879 // clone, so if $options is modified later, it doesn't confuse the parser cache.
1880 $this->mParserOptions = clone $options;
1881 }
1882
1883 /**
1884 * Get parser options suitable for rendering the primary article wikitext
1885 * @return ParserOptions
1886 */
1887 public function getParserOptions() {
1888 if ( !$this->mParserOptions ) {
1889 $this->mParserOptions = $this->mPage->makeParserOptions( $this->getContext() );
1890 }
1891 // Clone to allow modifications of the return value without affecting cache
1892 return clone $this->mParserOptions;
1893 }
1894
1895 /**
1896 * Sets the context this Article is executed in
1897 *
1898 * @param IContextSource $context
1899 * @since 1.18
1900 */
1901 public function setContext( $context ) {
1902 $this->mContext = $context;
1903 }
1904
1905 /**
1906 * Gets the context this Article is executed in
1907 *
1908 * @return IContextSource
1909 * @since 1.18
1910 */
1911 public function getContext() {
1912 if ( $this->mContext instanceof IContextSource ) {
1913 return $this->mContext;
1914 } else {
1915 wfDebug( __METHOD__ . " called and \$mContext is null. " .
1916 "Return RequestContext::getMain(); for sanity\n" );
1917 return RequestContext::getMain();
1918 }
1919 }
1920
1921 /**
1922 * Info about this page
1923 * @deprecated since 1.19
1924 */
1925 public function info() {
1926 wfDeprecated( __METHOD__, '1.19' );
1927 Action::factory( 'info', $this )->show();
1928 }
1929
1930 /**
1931 * Handle action=purge
1932 * @deprecated since 1.19
1933 * @return Action|bool|null false if the action is disabled, null if it is not recognised
1934 */
1935 public function purge() {
1936 return Action::factory( 'purge', $this )->show();
1937 }
1938
1939 /**
1940 * Handle action=revert
1941 * @deprecated since 1.19
1942 */
1943 public function revert() {
1944 wfDeprecated( __METHOD__, '1.19' );
1945 Action::factory( 'revert', $this )->show();
1946 }
1947
1948 /**
1949 * Handle action=rollback
1950 * @deprecated since 1.19
1951 */
1952 public function rollback() {
1953 wfDeprecated( __METHOD__, '1.19' );
1954 Action::factory( 'rollback', $this )->show();
1955 }
1956
1957 /**
1958 * Use PHP's magic __get handler to handle accessing of
1959 * raw WikiPage fields for backwards compatibility.
1960 *
1961 * @param string $fname Field name
1962 */
1963 public function __get( $fname ) {
1964 if ( property_exists( $this->mPage, $fname ) ) {
1965 #wfWarn( "Access to raw $fname field " . __CLASS__ );
1966 return $this->mPage->$fname;
1967 }
1968 trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE );
1969 }
1970
1971 /**
1972 * Use PHP's magic __set handler to handle setting of
1973 * raw WikiPage fields for backwards compatibility.
1974 *
1975 * @param string $fname Field name
1976 * @param mixed $fvalue New value
1977 */
1978 public function __set( $fname, $fvalue ) {
1979 if ( property_exists( $this->mPage, $fname ) ) {
1980 #wfWarn( "Access to raw $fname field of " . __CLASS__ );
1981 $this->mPage->$fname = $fvalue;
1982 // Note: extensions may want to toss on new fields
1983 } elseif ( !in_array( $fname, array( 'mContext', 'mPage' ) ) ) {
1984 $this->mPage->$fname = $fvalue;
1985 } else {
1986 trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE );
1987 }
1988 }
1989
1990 /**
1991 * Use PHP's magic __call handler to transform instance calls to
1992 * WikiPage functions for backwards compatibility.
1993 *
1994 * @param string $fname Name of called method
1995 * @param array $args Arguments to the method
1996 * @return mixed
1997 */
1998 public function __call( $fname, $args ) {
1999 if ( is_callable( array( $this->mPage, $fname ) ) ) {
2000 #wfWarn( "Call to " . __CLASS__ . "::$fname; please use WikiPage instead" );
2001 return call_user_func_array( array( $this->mPage, $fname ), $args );
2002 }
2003 trigger_error( 'Inaccessible function via __call(): ' . $fname, E_USER_ERROR );
2004 }
2005
2006 // ****** B/C functions to work-around PHP silliness with __call and references ****** //
2007
2008 /**
2009 * @param array $limit
2010 * @param array $expiry
2011 * @param bool $cascade
2012 * @param string $reason
2013 * @param User $user
2014 * @return Status
2015 */
2016 public function doUpdateRestrictions( array $limit, array $expiry, &$cascade,
2017 $reason, User $user
2018 ) {
2019 return $this->mPage->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
2020 }
2021
2022 /**
2023 * @param array $limit
2024 * @param string $reason
2025 * @param int $cascade
2026 * @param array $expiry
2027 * @return bool
2028 */
2029 public function updateRestrictions( $limit = array(), $reason = '',
2030 &$cascade = 0, $expiry = array()
2031 ) {
2032 return $this->mPage->doUpdateRestrictions(
2033 $limit,
2034 $expiry,
2035 $cascade,
2036 $reason,
2037 $this->getContext()->getUser()
2038 );
2039 }
2040
2041 /**
2042 * @param string $reason
2043 * @param bool $suppress
2044 * @param int $id
2045 * @param bool $commit
2046 * @param string $error
2047 * @return bool
2048 */
2049 public function doDeleteArticle( $reason, $suppress = false, $id = 0,
2050 $commit = true, &$error = ''
2051 ) {
2052 return $this->mPage->doDeleteArticle( $reason, $suppress, $id, $commit, $error );
2053 }
2054
2055 /**
2056 * @param string $fromP
2057 * @param string $summary
2058 * @param string $token
2059 * @param bool $bot
2060 * @param array $resultDetails
2061 * @param User|null $user
2062 * @return array
2063 */
2064 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User $user = null ) {
2065 $user = is_null( $user ) ? $this->getContext()->getUser() : $user;
2066 return $this->mPage->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
2067 }
2068
2069 /**
2070 * @param string $fromP
2071 * @param string $summary
2072 * @param bool $bot
2073 * @param array $resultDetails
2074 * @param User|null $guser
2075 * @return array
2076 */
2077 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser = null ) {
2078 $guser = is_null( $guser ) ? $this->getContext()->getUser() : $guser;
2079 return $this->mPage->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
2080 }
2081
2082 /**
2083 * @param bool $hasHistory
2084 * @return mixed
2085 */
2086 public function generateReason( &$hasHistory ) {
2087 $title = $this->mPage->getTitle();
2088 $handler = ContentHandler::getForTitle( $title );
2089 return $handler->getAutoDeleteReason( $title, $hasHistory );
2090 }
2091
2092 // ****** B/C functions for static methods ( __callStatic is PHP>=5.3 ) ****** //
2093
2094 /**
2095 * @return array
2096 */
2097 public static function selectFields() {
2098 return WikiPage::selectFields();
2099 }
2100
2101 /**
2102 * @param Title $title
2103 */
2104 public static function onArticleCreate( $title ) {
2105 WikiPage::onArticleCreate( $title );
2106 }
2107
2108 /**
2109 * @param Title $title
2110 */
2111 public static function onArticleDelete( $title ) {
2112 WikiPage::onArticleDelete( $title );
2113 }
2114
2115 /**
2116 * @param Title $title
2117 */
2118 public static function onArticleEdit( $title ) {
2119 WikiPage::onArticleEdit( $title );
2120 }
2121
2122 /**
2123 * @param string $oldtext
2124 * @param string $newtext
2125 * @param int $flags
2126 * @return string
2127 * @deprecated since 1.21, use ContentHandler::getAutosummary() instead
2128 */
2129 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2130 return WikiPage::getAutosummary( $oldtext, $newtext, $flags );
2131 }
2132 // ******
2133 }
Wiklou, le Wiki du Wiklou