Re add wpScrolltop id in EditPage
[lhc/web/wiklou.git] / includes / EditPage.php
1 <?php
2 /**
3 * User interface for page editing.
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 use MediaWiki\Logger\LoggerFactory;
24 use MediaWiki\MediaWikiServices;
25 use Wikimedia\ScopedCallback;
26
27 /**
28 * The edit page/HTML interface (split from Article)
29 * The actual database and text munging is still in Article,
30 * but it should get easier to call those from alternate
31 * interfaces.
32 *
33 * EditPage cares about two distinct titles:
34 * $this->mContextTitle is the page that forms submit to, links point to,
35 * redirects go to, etc. $this->mTitle (as well as $mArticle) is the
36 * page in the database that is actually being edited. These are
37 * usually the same, but they are now allowed to be different.
38 *
39 * Surgeon General's Warning: prolonged exposure to this class is known to cause
40 * headaches, which may be fatal.
41 */
42 class EditPage {
43 /**
44 * Status: Article successfully updated
45 */
46 const AS_SUCCESS_UPDATE = 200;
47
48 /**
49 * Status: Article successfully created
50 */
51 const AS_SUCCESS_NEW_ARTICLE = 201;
52
53 /**
54 * Status: Article update aborted by a hook function
55 */
56 const AS_HOOK_ERROR = 210;
57
58 /**
59 * Status: A hook function returned an error
60 */
61 const AS_HOOK_ERROR_EXPECTED = 212;
62
63 /**
64 * Status: User is blocked from editing this page
65 */
66 const AS_BLOCKED_PAGE_FOR_USER = 215;
67
68 /**
69 * Status: Content too big (> $wgMaxArticleSize)
70 */
71 const AS_CONTENT_TOO_BIG = 216;
72
73 /**
74 * Status: this anonymous user is not allowed to edit this page
75 */
76 const AS_READ_ONLY_PAGE_ANON = 218;
77
78 /**
79 * Status: this logged in user is not allowed to edit this page
80 */
81 const AS_READ_ONLY_PAGE_LOGGED = 219;
82
83 /**
84 * Status: wiki is in readonly mode (wfReadOnly() == true)
85 */
86 const AS_READ_ONLY_PAGE = 220;
87
88 /**
89 * Status: rate limiter for action 'edit' was tripped
90 */
91 const AS_RATE_LIMITED = 221;
92
93 /**
94 * Status: article was deleted while editing and param wpRecreate == false or form
95 * was not posted
96 */
97 const AS_ARTICLE_WAS_DELETED = 222;
98
99 /**
100 * Status: user tried to create this page, but is not allowed to do that
101 * ( Title->userCan('create') == false )
102 */
103 const AS_NO_CREATE_PERMISSION = 223;
104
105 /**
106 * Status: user tried to create a blank page and wpIgnoreBlankArticle == false
107 */
108 const AS_BLANK_ARTICLE = 224;
109
110 /**
111 * Status: (non-resolvable) edit conflict
112 */
113 const AS_CONFLICT_DETECTED = 225;
114
115 /**
116 * Status: no edit summary given and the user has forceeditsummary set and the user is not
117 * editing in his own userspace or talkspace and wpIgnoreBlankSummary == false
118 */
119 const AS_SUMMARY_NEEDED = 226;
120
121 /**
122 * Status: user tried to create a new section without content
123 */
124 const AS_TEXTBOX_EMPTY = 228;
125
126 /**
127 * Status: article is too big (> $wgMaxArticleSize), after merging in the new section
128 */
129 const AS_MAX_ARTICLE_SIZE_EXCEEDED = 229;
130
131 /**
132 * Status: WikiPage::doEdit() was unsuccessful
133 */
134 const AS_END = 231;
135
136 /**
137 * Status: summary contained spam according to one of the regexes in $wgSummarySpamRegex
138 */
139 const AS_SPAM_ERROR = 232;
140
141 /**
142 * Status: anonymous user is not allowed to upload (User::isAllowed('upload') == false)
143 */
144 const AS_IMAGE_REDIRECT_ANON = 233;
145
146 /**
147 * Status: logged in user is not allowed to upload (User::isAllowed('upload') == false)
148 */
149 const AS_IMAGE_REDIRECT_LOGGED = 234;
150
151 /**
152 * Status: user tried to modify the content model, but is not allowed to do that
153 * ( User::isAllowed('editcontentmodel') == false )
154 */
155 const AS_NO_CHANGE_CONTENT_MODEL = 235;
156
157 /**
158 * Status: user tried to create self-redirect (redirect to the same article) and
159 * wpIgnoreSelfRedirect == false
160 */
161 const AS_SELF_REDIRECT = 236;
162
163 /**
164 * Status: an error relating to change tagging. Look at the message key for
165 * more details
166 */
167 const AS_CHANGE_TAG_ERROR = 237;
168
169 /**
170 * Status: can't parse content
171 */
172 const AS_PARSE_ERROR = 240;
173
174 /**
175 * Status: when changing the content model is disallowed due to
176 * $wgContentHandlerUseDB being false
177 */
178 const AS_CANNOT_USE_CUSTOM_MODEL = 241;
179
180 /**
181 * HTML id and name for the beginning of the edit form.
182 */
183 const EDITFORM_ID = 'editform';
184
185 /**
186 * Prefix of key for cookie used to pass post-edit state.
187 * The revision id edited is added after this
188 */
189 const POST_EDIT_COOKIE_KEY_PREFIX = 'PostEditRevision';
190
191 /**
192 * Duration of PostEdit cookie, in seconds.
193 * The cookie will be removed instantly if the JavaScript runs.
194 *
195 * Otherwise, though, we don't want the cookies to accumulate.
196 * RFC 2109 ( https://www.ietf.org/rfc/rfc2109.txt ) specifies a possible
197 * limit of only 20 cookies per domain. This still applies at least to some
198 * versions of IE without full updates:
199 * https://blogs.msdn.com/b/ieinternals/archive/2009/08/20/wininet-ie-cookie-internals-faq.aspx
200 *
201 * A value of 20 minutes should be enough to take into account slow loads and minor
202 * clock skew while still avoiding cookie accumulation when JavaScript is turned off.
203 */
204 const POST_EDIT_COOKIE_DURATION = 1200;
205
206 /** @var Article */
207 public $mArticle;
208 /** @var WikiPage */
209 private $page;
210
211 /** @var Title */
212 public $mTitle;
213
214 /** @var null|Title */
215 private $mContextTitle = null;
216
217 /** @var string */
218 public $action = 'submit';
219
220 /** @var bool */
221 public $isConflict = false;
222
223 /** @var bool */
224 public $isCssJsSubpage = false;
225
226 /** @var bool */
227 public $isCssSubpage = false;
228
229 /** @var bool */
230 public $isJsSubpage = false;
231
232 /** @var bool */
233 public $isWrongCaseCssJsPage = false;
234
235 /** @var bool New page or new section */
236 public $isNew = false;
237
238 /** @var bool */
239 public $deletedSinceEdit;
240
241 /** @var string */
242 public $formtype;
243
244 /** @var bool */
245 public $firsttime;
246
247 /** @var bool|stdClass */
248 public $lastDelete;
249
250 /** @var bool */
251 public $mTokenOk = false;
252
253 /** @var bool */
254 public $mTokenOkExceptSuffix = false;
255
256 /** @var bool */
257 public $mTriedSave = false;
258
259 /** @var bool */
260 public $incompleteForm = false;
261
262 /** @var bool */
263 public $tooBig = false;
264
265 /** @var bool */
266 public $missingComment = false;
267
268 /** @var bool */
269 public $missingSummary = false;
270
271 /** @var bool */
272 public $allowBlankSummary = false;
273
274 /** @var bool */
275 protected $blankArticle = false;
276
277 /** @var bool */
278 protected $allowBlankArticle = false;
279
280 /** @var bool */
281 protected $selfRedirect = false;
282
283 /** @var bool */
284 protected $allowSelfRedirect = false;
285
286 /** @var string */
287 public $autoSumm = '';
288
289 /** @var string */
290 public $hookError = '';
291
292 /** @var ParserOutput */
293 public $mParserOutput;
294
295 /** @var bool Has a summary been preset using GET parameter &summary= ? */
296 public $hasPresetSummary = false;
297
298 /** @var Revision|bool */
299 public $mBaseRevision = false;
300
301 /** @var bool */
302 public $mShowSummaryField = true;
303
304 # Form values
305
306 /** @var bool */
307 public $save = false;
308
309 /** @var bool */
310 public $preview = false;
311
312 /** @var bool */
313 public $diff = false;
314
315 /** @var bool */
316 public $minoredit = false;
317
318 /** @var bool */
319 public $watchthis = false;
320
321 /** @var bool */
322 public $recreate = false;
323
324 /** @var string */
325 public $textbox1 = '';
326
327 /** @var string */
328 public $textbox2 = '';
329
330 /** @var string */
331 public $summary = '';
332
333 /** @var bool */
334 public $nosummary = false;
335
336 /** @var string */
337 public $edittime = '';
338
339 /** @var int */
340 private $editRevId = null;
341
342 /** @var string */
343 public $section = '';
344
345 /** @var string */
346 public $sectiontitle = '';
347
348 /** @var string */
349 public $starttime = '';
350
351 /** @var int */
352 public $oldid = 0;
353
354 /** @var int */
355 public $parentRevId = 0;
356
357 /** @var string */
358 public $editintro = '';
359
360 /** @var null */
361 public $scrolltop = null;
362
363 /** @var bool */
364 public $bot = true;
365
366 /** @var string */
367 public $contentModel;
368
369 /** @var null|string */
370 public $contentFormat = null;
371
372 /** @var null|array */
373 private $changeTags = null;
374
375 # Placeholders for text injection by hooks (must be HTML)
376 # extensions should take care to _append_ to the present value
377
378 /** @var string Before even the preview */
379 public $editFormPageTop = '';
380 public $editFormTextTop = '';
381 public $editFormTextBeforeContent = '';
382 public $editFormTextAfterWarn = '';
383 public $editFormTextAfterTools = '';
384 public $editFormTextBottom = '';
385 public $editFormTextAfterContent = '';
386 public $previewTextAfterContent = '';
387 public $mPreloadContent = null;
388
389 /* $didSave should be set to true whenever an article was successfully altered. */
390 public $didSave = false;
391 public $undidRev = 0;
392
393 public $suppressIntro = false;
394
395 /** @var bool */
396 protected $edit;
397
398 /** @var bool|int */
399 protected $contentLength = false;
400
401 /**
402 * @var bool Set in ApiEditPage, based on ContentHandler::allowsDirectApiEditing
403 */
404 private $enableApiEditOverride = false;
405
406 /**
407 * @var IContextSource
408 */
409 protected $context;
410
411 /**
412 * @var bool Whether an old revision is edited
413 */
414 private $isOldRev = false;
415
416 /**
417 * @param Article $article
418 */
419 public function __construct( Article $article ) {
420 $this->mArticle = $article;
421 $this->page = $article->getPage(); // model object
422 $this->mTitle = $article->getTitle();
423 $this->context = $article->getContext();
424
425 $this->contentModel = $this->mTitle->getContentModel();
426
427 $handler = ContentHandler::getForModelID( $this->contentModel );
428 $this->contentFormat = $handler->getDefaultFormat();
429 }
430
431 /**
432 * @return Article
433 */
434 public function getArticle() {
435 return $this->mArticle;
436 }
437
438 /**
439 * @since 1.28
440 * @return IContextSource
441 */
442 public function getContext() {
443 return $this->context;
444 }
445
446 /**
447 * @since 1.19
448 * @return Title
449 */
450 public function getTitle() {
451 return $this->mTitle;
452 }
453
454 /**
455 * Set the context Title object
456 *
457 * @param Title|null $title Title object or null
458 */
459 public function setContextTitle( $title ) {
460 $this->mContextTitle = $title;
461 }
462
463 /**
464 * Get the context title object.
465 * If not set, $wgTitle will be returned. This behavior might change in
466 * the future to return $this->mTitle instead.
467 *
468 * @return Title
469 */
470 public function getContextTitle() {
471 if ( is_null( $this->mContextTitle ) ) {
472 global $wgTitle;
473 return $wgTitle;
474 } else {
475 return $this->mContextTitle;
476 }
477 }
478
479 /**
480 * Check if the edit page is using OOUI controls
481 * @return bool Always true
482 * @deprecated since 1.30
483 */
484 public function isOouiEnabled() {
485 return true;
486 }
487
488 /**
489 * Returns if the given content model is editable.
490 *
491 * @param string $modelId The ID of the content model to test. Use CONTENT_MODEL_XXX constants.
492 * @return bool
493 * @throws MWException If $modelId has no known handler
494 */
495 public function isSupportedContentModel( $modelId ) {
496 return $this->enableApiEditOverride === true ||
497 ContentHandler::getForModelID( $modelId )->supportsDirectEditing();
498 }
499
500 /**
501 * Allow editing of content that supports API direct editing, but not general
502 * direct editing. Set to false by default.
503 *
504 * @param bool $enableOverride
505 */
506 public function setApiEditOverride( $enableOverride ) {
507 $this->enableApiEditOverride = $enableOverride;
508 }
509
510 /**
511 * @deprecated since 1.29, call edit directly
512 */
513 public function submit() {
514 $this->edit();
515 }
516
517 /**
518 * This is the function that gets called for "action=edit". It
519 * sets up various member variables, then passes execution to
520 * another function, usually showEditForm()
521 *
522 * The edit form is self-submitting, so that when things like
523 * preview and edit conflicts occur, we get the same form back
524 * with the extra stuff added. Only when the final submission
525 * is made and all is well do we actually save and redirect to
526 * the newly-edited page.
527 */
528 public function edit() {
529 global $wgOut, $wgRequest, $wgUser;
530 // Allow extensions to modify/prevent this form or submission
531 if ( !Hooks::run( 'AlternateEdit', [ $this ] ) ) {
532 return;
533 }
534
535 wfDebug( __METHOD__ . ": enter\n" );
536
537 // If they used redlink=1 and the page exists, redirect to the main article
538 if ( $wgRequest->getBool( 'redlink' ) && $this->mTitle->exists() ) {
539 $wgOut->redirect( $this->mTitle->getFullURL() );
540 return;
541 }
542
543 $this->importFormData( $wgRequest );
544 $this->firsttime = false;
545
546 if ( wfReadOnly() && $this->save ) {
547 // Force preview
548 $this->save = false;
549 $this->preview = true;
550 }
551
552 if ( $this->save ) {
553 $this->formtype = 'save';
554 } elseif ( $this->preview ) {
555 $this->formtype = 'preview';
556 } elseif ( $this->diff ) {
557 $this->formtype = 'diff';
558 } else { # First time through
559 $this->firsttime = true;
560 if ( $this->previewOnOpen() ) {
561 $this->formtype = 'preview';
562 } else {
563 $this->formtype = 'initial';
564 }
565 }
566
567 $permErrors = $this->getEditPermissionErrors( $this->save ? 'secure' : 'full' );
568 if ( $permErrors ) {
569 wfDebug( __METHOD__ . ": User can't edit\n" );
570 // Auto-block user's IP if the account was "hard" blocked
571 if ( !wfReadOnly() ) {
572 $user = $wgUser;
573 DeferredUpdates::addCallableUpdate( function () use ( $user ) {
574 $user->spreadAnyEditBlock();
575 } );
576 }
577 $this->displayPermissionsError( $permErrors );
578
579 return;
580 }
581
582 $revision = $this->mArticle->getRevisionFetched();
583 // Disallow editing revisions with content models different from the current one
584 // Undo edits being an exception in order to allow reverting content model changes.
585 if ( $revision
586 && $revision->getContentModel() !== $this->contentModel
587 ) {
588 $prevRev = null;
589 if ( $this->undidRev ) {
590 $undidRevObj = Revision::newFromId( $this->undidRev );
591 $prevRev = $undidRevObj ? $undidRevObj->getPrevious() : null;
592 }
593 if ( !$this->undidRev
594 || !$prevRev
595 || $prevRev->getContentModel() !== $this->contentModel
596 ) {
597 $this->displayViewSourcePage(
598 $this->getContentObject(),
599 $this->context->msg(
600 'contentmodelediterror',
601 $revision->getContentModel(),
602 $this->contentModel
603 )->plain()
604 );
605 return;
606 }
607 }
608
609 $this->isConflict = false;
610 // css / js subpages of user pages get a special treatment
611 $this->isCssJsSubpage = $this->mTitle->isCssJsSubpage();
612 $this->isCssSubpage = $this->mTitle->isCssSubpage();
613 $this->isJsSubpage = $this->mTitle->isJsSubpage();
614 // @todo FIXME: Silly assignment.
615 $this->isWrongCaseCssJsPage = $this->isWrongCaseCssJsPage();
616
617 # Show applicable editing introductions
618 if ( $this->formtype == 'initial' || $this->firsttime ) {
619 $this->showIntro();
620 }
621
622 # Attempt submission here. This will check for edit conflicts,
623 # and redundantly check for locked database, blocked IPs, etc.
624 # that edit() already checked just in case someone tries to sneak
625 # in the back door with a hand-edited submission URL.
626
627 if ( 'save' == $this->formtype ) {
628 $resultDetails = null;
629 $status = $this->attemptSave( $resultDetails );
630 if ( !$this->handleStatus( $status, $resultDetails ) ) {
631 return;
632 }
633 }
634
635 # First time through: get contents, set time for conflict
636 # checking, etc.
637 if ( 'initial' == $this->formtype || $this->firsttime ) {
638 if ( $this->initialiseForm() === false ) {
639 $this->noSuchSectionPage();
640 return;
641 }
642
643 if ( !$this->mTitle->getArticleID() ) {
644 Hooks::run( 'EditFormPreloadText', [ &$this->textbox1, &$this->mTitle ] );
645 } else {
646 Hooks::run( 'EditFormInitialText', [ $this ] );
647 }
648
649 }
650
651 $this->showEditForm();
652 }
653
654 /**
655 * @param string $rigor Same format as Title::getUserPermissionErrors()
656 * @return array
657 */
658 protected function getEditPermissionErrors( $rigor = 'secure' ) {
659 global $wgUser;
660
661 $permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser, $rigor );
662 # Can this title be created?
663 if ( !$this->mTitle->exists() ) {
664 $permErrors = array_merge(
665 $permErrors,
666 wfArrayDiff2(
667 $this->mTitle->getUserPermissionsErrors( 'create', $wgUser, $rigor ),
668 $permErrors
669 )
670 );
671 }
672 # Ignore some permissions errors when a user is just previewing/viewing diffs
673 $remove = [];
674 foreach ( $permErrors as $error ) {
675 if ( ( $this->preview || $this->diff )
676 && (
677 $error[0] == 'blockedtext' ||
678 $error[0] == 'autoblockedtext' ||
679 $error[0] == 'systemblockedtext'
680 )
681 ) {
682 $remove[] = $error;
683 }
684 }
685 $permErrors = wfArrayDiff2( $permErrors, $remove );
686
687 return $permErrors;
688 }
689
690 /**
691 * Display a permissions error page, like OutputPage::showPermissionsErrorPage(),
692 * but with the following differences:
693 * - If redlink=1, the user will be redirected to the page
694 * - If there is content to display or the error occurs while either saving,
695 * previewing or showing the difference, it will be a
696 * "View source for ..." page displaying the source code after the error message.
697 *
698 * @since 1.19
699 * @param array $permErrors Array of permissions errors, as returned by
700 * Title::getUserPermissionsErrors().
701 * @throws PermissionsError
702 */
703 protected function displayPermissionsError( array $permErrors ) {
704 global $wgRequest, $wgOut;
705
706 if ( $wgRequest->getBool( 'redlink' ) ) {
707 // The edit page was reached via a red link.
708 // Redirect to the article page and let them click the edit tab if
709 // they really want a permission error.
710 $wgOut->redirect( $this->mTitle->getFullURL() );
711 return;
712 }
713
714 $content = $this->getContentObject();
715
716 # Use the normal message if there's nothing to display
717 if ( $this->firsttime && ( !$content || $content->isEmpty() ) ) {
718 $action = $this->mTitle->exists() ? 'edit' :
719 ( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
720 throw new PermissionsError( $action, $permErrors );
721 }
722
723 $this->displayViewSourcePage(
724 $content,
725 $wgOut->formatPermissionsErrorMessage( $permErrors, 'edit' )
726 );
727 }
728
729 /**
730 * Display a read-only View Source page
731 * @param Content $content content object
732 * @param string $errorMessage additional wikitext error message to display
733 */
734 protected function displayViewSourcePage( Content $content, $errorMessage = '' ) {
735 global $wgOut;
736
737 Hooks::run( 'EditPage::showReadOnlyForm:initial', [ $this, &$wgOut ] );
738
739 $wgOut->setRobotPolicy( 'noindex,nofollow' );
740 $wgOut->setPageTitle( $this->context->msg(
741 'viewsource-title',
742 $this->getContextTitle()->getPrefixedText()
743 ) );
744 $wgOut->addBacklinkSubtitle( $this->getContextTitle() );
745 $wgOut->addHTML( $this->editFormPageTop );
746 $wgOut->addHTML( $this->editFormTextTop );
747
748 if ( $errorMessage !== '' ) {
749 $wgOut->addWikiText( $errorMessage );
750 $wgOut->addHTML( "<hr />\n" );
751 }
752
753 # If the user made changes, preserve them when showing the markup
754 # (This happens when a user is blocked during edit, for instance)
755 if ( !$this->firsttime ) {
756 $text = $this->textbox1;
757 $wgOut->addWikiMsg( 'viewyourtext' );
758 } else {
759 try {
760 $text = $this->toEditText( $content );
761 } catch ( MWException $e ) {
762 # Serialize using the default format if the content model is not supported
763 # (e.g. for an old revision with a different model)
764 $text = $content->serialize();
765 }
766 $wgOut->addWikiMsg( 'viewsourcetext' );
767 }
768
769 $wgOut->addHTML( $this->editFormTextBeforeContent );
770 $this->showTextbox( $text, 'wpTextbox1', [ 'readonly' ] );
771 $wgOut->addHTML( $this->editFormTextAfterContent );
772
773 $wgOut->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
774
775 $wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
776
777 $wgOut->addHTML( $this->editFormTextBottom );
778 if ( $this->mTitle->exists() ) {
779 $wgOut->returnToMain( null, $this->mTitle );
780 }
781 }
782
783 /**
784 * Should we show a preview when the edit form is first shown?
785 *
786 * @return bool
787 */
788 protected function previewOnOpen() {
789 global $wgRequest, $wgUser, $wgPreviewOnOpenNamespaces;
790 if ( $wgRequest->getVal( 'preview' ) == 'yes' ) {
791 // Explicit override from request
792 return true;
793 } elseif ( $wgRequest->getVal( 'preview' ) == 'no' ) {
794 // Explicit override from request
795 return false;
796 } elseif ( $this->section == 'new' ) {
797 // Nothing *to* preview for new sections
798 return false;
799 } elseif ( ( $wgRequest->getVal( 'preload' ) !== null || $this->mTitle->exists() )
800 && $wgUser->getOption( 'previewonfirst' )
801 ) {
802 // Standard preference behavior
803 return true;
804 } elseif ( !$this->mTitle->exists()
805 && isset( $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()] )
806 && $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()]
807 ) {
808 // Categories are special
809 return true;
810 } else {
811 return false;
812 }
813 }
814
815 /**
816 * Checks whether the user entered a skin name in uppercase,
817 * e.g. "User:Example/Monobook.css" instead of "monobook.css"
818 *
819 * @return bool
820 */
821 protected function isWrongCaseCssJsPage() {
822 if ( $this->mTitle->isCssJsSubpage() ) {
823 $name = $this->mTitle->getSkinFromCssJsSubpage();
824 $skins = array_merge(
825 array_keys( Skin::getSkinNames() ),
826 [ 'common' ]
827 );
828 return !in_array( $name, $skins )
829 && in_array( strtolower( $name ), $skins );
830 } else {
831 return false;
832 }
833 }
834
835 /**
836 * Returns whether section editing is supported for the current page.
837 * Subclasses may override this to replace the default behavior, which is
838 * to check ContentHandler::supportsSections.
839 *
840 * @return bool True if this edit page supports sections, false otherwise.
841 */
842 protected function isSectionEditSupported() {
843 $contentHandler = ContentHandler::getForTitle( $this->mTitle );
844 return $contentHandler->supportsSections();
845 }
846
847 /**
848 * This function collects the form data and uses it to populate various member variables.
849 * @param WebRequest &$request
850 * @throws ErrorPageError
851 */
852 public function importFormData( &$request ) {
853 global $wgContLang, $wgUser;
854
855 # Section edit can come from either the form or a link
856 $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
857
858 if ( $this->section !== null && $this->section !== '' && !$this->isSectionEditSupported() ) {
859 throw new ErrorPageError( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
860 }
861
862 $this->isNew = !$this->mTitle->exists() || $this->section == 'new';
863
864 if ( $request->wasPosted() ) {
865 # These fields need to be checked for encoding.
866 # Also remove trailing whitespace, but don't remove _initial_
867 # whitespace from the text boxes. This may be significant formatting.
868 $this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
869 if ( !$request->getCheck( 'wpTextbox2' ) ) {
870 // Skip this if wpTextbox2 has input, it indicates that we came
871 // from a conflict page with raw page text, not a custom form
872 // modified by subclasses
873 $textbox1 = $this->importContentFormData( $request );
874 if ( $textbox1 !== null ) {
875 $this->textbox1 = $textbox1;
876 }
877 }
878
879 # Truncate for whole multibyte characters
880 $this->summary = $wgContLang->truncate( $request->getText( 'wpSummary' ), 255 );
881
882 # If the summary consists of a heading, e.g. '==Foobar==', extract the title from the
883 # header syntax, e.g. 'Foobar'. This is mainly an issue when we are using wpSummary for
884 # section titles.
885 $this->summary = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->summary );
886
887 # Treat sectiontitle the same way as summary.
888 # Note that wpSectionTitle is not yet a part of the actual edit form, as wpSummary is
889 # currently doing double duty as both edit summary and section title. Right now this
890 # is just to allow API edits to work around this limitation, but this should be
891 # incorporated into the actual edit form when EditPage is rewritten (Bugs 18654, 26312).
892 $this->sectiontitle = $wgContLang->truncate( $request->getText( 'wpSectionTitle' ), 255 );
893 $this->sectiontitle = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->sectiontitle );
894
895 $this->edittime = $request->getVal( 'wpEdittime' );
896 $this->editRevId = $request->getIntOrNull( 'editRevId' );
897 $this->starttime = $request->getVal( 'wpStarttime' );
898
899 $undidRev = $request->getInt( 'wpUndidRevision' );
900 if ( $undidRev ) {
901 $this->undidRev = $undidRev;
902 }
903
904 $this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
905
906 if ( $this->textbox1 === '' && $request->getVal( 'wpTextbox1' ) === null ) {
907 // wpTextbox1 field is missing, possibly due to being "too big"
908 // according to some filter rules such as Suhosin's setting for
909 // suhosin.request.max_value_length (d'oh)
910 $this->incompleteForm = true;
911 } else {
912 // If we receive the last parameter of the request, we can fairly
913 // claim the POST request has not been truncated.
914
915 // TODO: softened the check for cutover. Once we determine
916 // that it is safe, we should complete the transition by
917 // removing the "edittime" clause.
918 $this->incompleteForm = ( !$request->getVal( 'wpUltimateParam' )
919 && is_null( $this->edittime ) );
920 }
921 if ( $this->incompleteForm ) {
922 # If the form is incomplete, force to preview.
923 wfDebug( __METHOD__ . ": Form data appears to be incomplete\n" );
924 wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
925 $this->preview = true;
926 } else {
927 $this->preview = $request->getCheck( 'wpPreview' );
928 $this->diff = $request->getCheck( 'wpDiff' );
929
930 // Remember whether a save was requested, so we can indicate
931 // if we forced preview due to session failure.
932 $this->mTriedSave = !$this->preview;
933
934 if ( $this->tokenOk( $request ) ) {
935 # Some browsers will not report any submit button
936 # if the user hits enter in the comment box.
937 # The unmarked state will be assumed to be a save,
938 # if the form seems otherwise complete.
939 wfDebug( __METHOD__ . ": Passed token check.\n" );
940 } elseif ( $this->diff ) {
941 # Failed token check, but only requested "Show Changes".
942 wfDebug( __METHOD__ . ": Failed token check; Show Changes requested.\n" );
943 } else {
944 # Page might be a hack attempt posted from
945 # an external site. Preview instead of saving.
946 wfDebug( __METHOD__ . ": Failed token check; forcing preview\n" );
947 $this->preview = true;
948 }
949 }
950 $this->save = !$this->preview && !$this->diff;
951 if ( !preg_match( '/^\d{14}$/', $this->edittime ) ) {
952 $this->edittime = null;
953 }
954
955 if ( !preg_match( '/^\d{14}$/', $this->starttime ) ) {
956 $this->starttime = null;
957 }
958
959 $this->recreate = $request->getCheck( 'wpRecreate' );
960
961 $this->minoredit = $request->getCheck( 'wpMinoredit' );
962 $this->watchthis = $request->getCheck( 'wpWatchthis' );
963
964 # Don't force edit summaries when a user is editing their own user or talk page
965 if ( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK )
966 && $this->mTitle->getText() == $wgUser->getName()
967 ) {
968 $this->allowBlankSummary = true;
969 } else {
970 $this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' )
971 || !$wgUser->getOption( 'forceeditsummary' );
972 }
973
974 $this->autoSumm = $request->getText( 'wpAutoSummary' );
975
976 $this->allowBlankArticle = $request->getBool( 'wpIgnoreBlankArticle' );
977 $this->allowSelfRedirect = $request->getBool( 'wpIgnoreSelfRedirect' );
978
979 $changeTags = $request->getVal( 'wpChangeTags' );
980 if ( is_null( $changeTags ) || $changeTags === '' ) {
981 $this->changeTags = [];
982 } else {
983 $this->changeTags = array_filter( array_map( 'trim', explode( ',',
984 $changeTags ) ) );
985 }
986 } else {
987 # Not a posted form? Start with nothing.
988 wfDebug( __METHOD__ . ": Not a posted form.\n" );
989 $this->textbox1 = '';
990 $this->summary = '';
991 $this->sectiontitle = '';
992 $this->edittime = '';
993 $this->editRevId = null;
994 $this->starttime = wfTimestampNow();
995 $this->edit = false;
996 $this->preview = false;
997 $this->save = false;
998 $this->diff = false;
999 $this->minoredit = false;
1000 // Watch may be overridden by request parameters
1001 $this->watchthis = $request->getBool( 'watchthis', false );
1002 $this->recreate = false;
1003
1004 // When creating a new section, we can preload a section title by passing it as the
1005 // preloadtitle parameter in the URL (T15100)
1006 if ( $this->section == 'new' && $request->getVal( 'preloadtitle' ) ) {
1007 $this->sectiontitle = $request->getVal( 'preloadtitle' );
1008 // Once wpSummary isn't being use for setting section titles, we should delete this.
1009 $this->summary = $request->getVal( 'preloadtitle' );
1010 } elseif ( $this->section != 'new' && $request->getVal( 'summary' ) ) {
1011 $this->summary = $request->getText( 'summary' );
1012 if ( $this->summary !== '' ) {
1013 $this->hasPresetSummary = true;
1014 }
1015 }
1016
1017 if ( $request->getVal( 'minor' ) ) {
1018 $this->minoredit = true;
1019 }
1020 }
1021
1022 $this->oldid = $request->getInt( 'oldid' );
1023 $this->parentRevId = $request->getInt( 'parentRevId' );
1024
1025 $this->bot = $request->getBool( 'bot', true );
1026 $this->nosummary = $request->getBool( 'nosummary' );
1027
1028 // May be overridden by revision.
1029 $this->contentModel = $request->getText( 'model', $this->contentModel );
1030 // May be overridden by revision.
1031 $this->contentFormat = $request->getText( 'format', $this->contentFormat );
1032
1033 try {
1034 $handler = ContentHandler::getForModelID( $this->contentModel );
1035 } catch ( MWUnknownContentModelException $e ) {
1036 throw new ErrorPageError(
1037 'editpage-invalidcontentmodel-title',
1038 'editpage-invalidcontentmodel-text',
1039 [ wfEscapeWikiText( $this->contentModel ) ]
1040 );
1041 }
1042
1043 if ( !$handler->isSupportedFormat( $this->contentFormat ) ) {
1044 throw new ErrorPageError(
1045 'editpage-notsupportedcontentformat-title',
1046 'editpage-notsupportedcontentformat-text',
1047 [
1048 wfEscapeWikiText( $this->contentFormat ),
1049 wfEscapeWikiText( ContentHandler::getLocalizedName( $this->contentModel ) )
1050 ]
1051 );
1052 }
1053
1054 /**
1055 * @todo Check if the desired model is allowed in this namespace, and if
1056 * a transition from the page's current model to the new model is
1057 * allowed.
1058 */
1059
1060 $this->editintro = $request->getText( 'editintro',
1061 // Custom edit intro for new sections
1062 $this->section === 'new' ? 'MediaWiki:addsection-editintro' : '' );
1063
1064 // Allow extensions to modify form data
1065 Hooks::run( 'EditPage::importFormData', [ $this, $request ] );
1066 }
1067
1068 /**
1069 * Subpage overridable method for extracting the page content data from the
1070 * posted form to be placed in $this->textbox1, if using customized input
1071 * this method should be overridden and return the page text that will be used
1072 * for saving, preview parsing and so on...
1073 *
1074 * @param WebRequest &$request
1075 * @return string|null
1076 */
1077 protected function importContentFormData( &$request ) {
1078 return; // Don't do anything, EditPage already extracted wpTextbox1
1079 }
1080
1081 /**
1082 * Initialise form fields in the object
1083 * Called on the first invocation, e.g. when a user clicks an edit link
1084 * @return bool If the requested section is valid
1085 */
1086 public function initialiseForm() {
1087 global $wgUser;
1088 $this->edittime = $this->page->getTimestamp();
1089 $this->editRevId = $this->page->getLatest();
1090
1091 $content = $this->getContentObject( false ); # TODO: track content object?!
1092 if ( $content === false ) {
1093 return false;
1094 }
1095 $this->textbox1 = $this->toEditText( $content );
1096
1097 // activate checkboxes if user wants them to be always active
1098 # Sort out the "watch" checkbox
1099 if ( $wgUser->getOption( 'watchdefault' ) ) {
1100 # Watch all edits
1101 $this->watchthis = true;
1102 } elseif ( $wgUser->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
1103 # Watch creations
1104 $this->watchthis = true;
1105 } elseif ( $wgUser->isWatched( $this->mTitle ) ) {
1106 # Already watched
1107 $this->watchthis = true;
1108 }
1109 if ( $wgUser->getOption( 'minordefault' ) && !$this->isNew ) {
1110 $this->minoredit = true;
1111 }
1112 if ( $this->textbox1 === false ) {
1113 return false;
1114 }
1115 return true;
1116 }
1117
1118 /**
1119 * @param Content|null $def_content The default value to return
1120 *
1121 * @return Content|null Content on success, $def_content for invalid sections
1122 *
1123 * @since 1.21
1124 */
1125 protected function getContentObject( $def_content = null ) {
1126 global $wgOut, $wgRequest, $wgUser, $wgContLang;
1127
1128 $content = false;
1129
1130 // For message page not locally set, use the i18n message.
1131 // For other non-existent articles, use preload text if any.
1132 if ( !$this->mTitle->exists() || $this->section == 'new' ) {
1133 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && $this->section != 'new' ) {
1134 # If this is a system message, get the default text.
1135 $msg = $this->mTitle->getDefaultMessageText();
1136
1137 $content = $this->toEditContent( $msg );
1138 }
1139 if ( $content === false ) {
1140 # If requested, preload some text.
1141 $preload = $wgRequest->getVal( 'preload',
1142 // Custom preload text for new sections
1143 $this->section === 'new' ? 'MediaWiki:addsection-preload' : '' );
1144 $params = $wgRequest->getArray( 'preloadparams', [] );
1145
1146 $content = $this->getPreloadedContent( $preload, $params );
1147 }
1148 // For existing pages, get text based on "undo" or section parameters.
1149 } else {
1150 if ( $this->section != '' ) {
1151 // Get section edit text (returns $def_text for invalid sections)
1152 $orig = $this->getOriginalContent( $wgUser );
1153 $content = $orig ? $orig->getSection( $this->section ) : null;
1154
1155 if ( !$content ) {
1156 $content = $def_content;
1157 }
1158 } else {
1159 $undoafter = $wgRequest->getInt( 'undoafter' );
1160 $undo = $wgRequest->getInt( 'undo' );
1161
1162 if ( $undo > 0 && $undoafter > 0 ) {
1163 $undorev = Revision::newFromId( $undo );
1164 $oldrev = Revision::newFromId( $undoafter );
1165
1166 # Sanity check, make sure it's the right page,
1167 # the revisions exist and they were not deleted.
1168 # Otherwise, $content will be left as-is.
1169 if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
1170 !$undorev->isDeleted( Revision::DELETED_TEXT ) &&
1171 !$oldrev->isDeleted( Revision::DELETED_TEXT )
1172 ) {
1173 $content = $this->page->getUndoContent( $undorev, $oldrev );
1174
1175 if ( $content === false ) {
1176 # Warn the user that something went wrong
1177 $undoMsg = 'failure';
1178 } else {
1179 $oldContent = $this->page->getContent( Revision::RAW );
1180 $popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
1181 $newContent = $content->preSaveTransform( $this->mTitle, $wgUser, $popts );
1182 if ( $newContent->getModel() !== $oldContent->getModel() ) {
1183 // The undo may change content
1184 // model if its reverting the top
1185 // edit. This can result in
1186 // mismatched content model/format.
1187 $this->contentModel = $newContent->getModel();
1188 $this->contentFormat = $oldrev->getContentFormat();
1189 }
1190
1191 if ( $newContent->equals( $oldContent ) ) {
1192 # Tell the user that the undo results in no change,
1193 # i.e. the revisions were already undone.
1194 $undoMsg = 'nochange';
1195 $content = false;
1196 } else {
1197 # Inform the user of our success and set an automatic edit summary
1198 $undoMsg = 'success';
1199
1200 # If we just undid one rev, use an autosummary
1201 $firstrev = $oldrev->getNext();
1202 if ( $firstrev && $firstrev->getId() == $undo ) {
1203 $userText = $undorev->getUserText();
1204 if ( $userText === '' ) {
1205 $undoSummary = $this->context->msg(
1206 'undo-summary-username-hidden',
1207 $undo
1208 )->inContentLanguage()->text();
1209 } else {
1210 $undoSummary = $this->context->msg(
1211 'undo-summary',
1212 $undo,
1213 $userText
1214 )->inContentLanguage()->text();
1215 }
1216 if ( $this->summary === '' ) {
1217 $this->summary = $undoSummary;
1218 } else {
1219 $this->summary = $undoSummary . $this->context->msg( 'colon-separator' )
1220 ->inContentLanguage()->text() . $this->summary;
1221 }
1222 $this->undidRev = $undo;
1223 }
1224 $this->formtype = 'diff';
1225 }
1226 }
1227 } else {
1228 // Failed basic sanity checks.
1229 // Older revisions may have been removed since the link
1230 // was created, or we may simply have got bogus input.
1231 $undoMsg = 'norev';
1232 }
1233
1234 // Messages: undo-success, undo-failure, undo-norev, undo-nochange
1235 $class = ( $undoMsg == 'success' ? '' : 'error ' ) . "mw-undo-{$undoMsg}";
1236 $this->editFormPageTop .= $wgOut->parse( "<div class=\"{$class}\">" .
1237 $this->context->msg( 'undo-' . $undoMsg )->plain() . '</div>', true, /* interface */true );
1238 }
1239
1240 if ( $content === false ) {
1241 $content = $this->getOriginalContent( $wgUser );
1242 }
1243 }
1244 }
1245
1246 return $content;
1247 }
1248
1249 /**
1250 * Get the content of the wanted revision, without section extraction.
1251 *
1252 * The result of this function can be used to compare user's input with
1253 * section replaced in its context (using WikiPage::replaceSectionAtRev())
1254 * to the original text of the edit.
1255 *
1256 * This differs from Article::getContent() that when a missing revision is
1257 * encountered the result will be null and not the
1258 * 'missing-revision' message.
1259 *
1260 * @since 1.19
1261 * @param User $user The user to get the revision for
1262 * @return Content|null
1263 */
1264 private function getOriginalContent( User $user ) {
1265 if ( $this->section == 'new' ) {
1266 return $this->getCurrentContent();
1267 }
1268 $revision = $this->mArticle->getRevisionFetched();
1269 if ( $revision === null ) {
1270 $handler = ContentHandler::getForModelID( $this->contentModel );
1271 return $handler->makeEmptyContent();
1272 }
1273 $content = $revision->getContent( Revision::FOR_THIS_USER, $user );
1274 return $content;
1275 }
1276
1277 /**
1278 * Get the edit's parent revision ID
1279 *
1280 * The "parent" revision is the ancestor that should be recorded in this
1281 * page's revision history. It is either the revision ID of the in-memory
1282 * article content, or in the case of a 3-way merge in order to rebase
1283 * across a recoverable edit conflict, the ID of the newer revision to
1284 * which we have rebased this page.
1285 *
1286 * @since 1.27
1287 * @return int Revision ID
1288 */
1289 public function getParentRevId() {
1290 if ( $this->parentRevId ) {
1291 return $this->parentRevId;
1292 } else {
1293 return $this->mArticle->getRevIdFetched();
1294 }
1295 }
1296
1297 /**
1298 * Get the current content of the page. This is basically similar to
1299 * WikiPage::getContent( Revision::RAW ) except that when the page doesn't exist an empty
1300 * content object is returned instead of null.
1301 *
1302 * @since 1.21
1303 * @return Content
1304 */
1305 protected function getCurrentContent() {
1306 $rev = $this->page->getRevision();
1307 $content = $rev ? $rev->getContent( Revision::RAW ) : null;
1308
1309 if ( $content === false || $content === null ) {
1310 $handler = ContentHandler::getForModelID( $this->contentModel );
1311 return $handler->makeEmptyContent();
1312 } elseif ( !$this->undidRev ) {
1313 // Content models should always be the same since we error
1314 // out if they are different before this point (in ->edit()).
1315 // The exception being, during an undo, the current revision might
1316 // differ from the prior revision.
1317 $logger = LoggerFactory::getInstance( 'editpage' );
1318 if ( $this->contentModel !== $rev->getContentModel() ) {
1319 $logger->warning( "Overriding content model from current edit {prev} to {new}", [
1320 'prev' => $this->contentModel,
1321 'new' => $rev->getContentModel(),
1322 'title' => $this->getTitle()->getPrefixedDBkey(),
1323 'method' => __METHOD__
1324 ] );
1325 $this->contentModel = $rev->getContentModel();
1326 }
1327
1328 // Given that the content models should match, the current selected
1329 // format should be supported.
1330 if ( !$content->isSupportedFormat( $this->contentFormat ) ) {
1331 $logger->warning( "Current revision content format unsupported. Overriding {prev} to {new}", [
1332
1333 'prev' => $this->contentFormat,
1334 'new' => $rev->getContentFormat(),
1335 'title' => $this->getTitle()->getPrefixedDBkey(),
1336 'method' => __METHOD__
1337 ] );
1338 $this->contentFormat = $rev->getContentFormat();
1339 }
1340 }
1341 return $content;
1342 }
1343
1344 /**
1345 * Use this method before edit() to preload some content into the edit box
1346 *
1347 * @param Content $content
1348 *
1349 * @since 1.21
1350 */
1351 public function setPreloadedContent( Content $content ) {
1352 $this->mPreloadContent = $content;
1353 }
1354
1355 /**
1356 * Get the contents to be preloaded into the box, either set by
1357 * an earlier setPreloadText() or by loading the given page.
1358 *
1359 * @param string $preload Representing the title to preload from.
1360 * @param array $params Parameters to use (interface-message style) in the preloaded text
1361 *
1362 * @return Content
1363 *
1364 * @since 1.21
1365 */
1366 protected function getPreloadedContent( $preload, $params = [] ) {
1367 global $wgUser;
1368
1369 if ( !empty( $this->mPreloadContent ) ) {
1370 return $this->mPreloadContent;
1371 }
1372
1373 $handler = ContentHandler::getForModelID( $this->contentModel );
1374
1375 if ( $preload === '' ) {
1376 return $handler->makeEmptyContent();
1377 }
1378
1379 $title = Title::newFromText( $preload );
1380 # Check for existence to avoid getting MediaWiki:Noarticletext
1381 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1382 // TODO: somehow show a warning to the user!
1383 return $handler->makeEmptyContent();
1384 }
1385
1386 $page = WikiPage::factory( $title );
1387 if ( $page->isRedirect() ) {
1388 $title = $page->getRedirectTarget();
1389 # Same as before
1390 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1391 // TODO: somehow show a warning to the user!
1392 return $handler->makeEmptyContent();
1393 }
1394 $page = WikiPage::factory( $title );
1395 }
1396
1397 $parserOptions = ParserOptions::newFromUser( $wgUser );
1398 $content = $page->getContent( Revision::RAW );
1399
1400 if ( !$content ) {
1401 // TODO: somehow show a warning to the user!
1402 return $handler->makeEmptyContent();
1403 }
1404
1405 if ( $content->getModel() !== $handler->getModelID() ) {
1406 $converted = $content->convert( $handler->getModelID() );
1407
1408 if ( !$converted ) {
1409 // TODO: somehow show a warning to the user!
1410 wfDebug( "Attempt to preload incompatible content: " .
1411 "can't convert " . $content->getModel() .
1412 " to " . $handler->getModelID() );
1413
1414 return $handler->makeEmptyContent();
1415 }
1416
1417 $content = $converted;
1418 }
1419
1420 return $content->preloadTransform( $title, $parserOptions, $params );
1421 }
1422
1423 /**
1424 * Make sure the form isn't faking a user's credentials.
1425 *
1426 * @param WebRequest &$request
1427 * @return bool
1428 * @private
1429 */
1430 public function tokenOk( &$request ) {
1431 global $wgUser;
1432 $token = $request->getVal( 'wpEditToken' );
1433 $this->mTokenOk = $wgUser->matchEditToken( $token );
1434 $this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
1435 return $this->mTokenOk;
1436 }
1437
1438 /**
1439 * Sets post-edit cookie indicating the user just saved a particular revision.
1440 *
1441 * This uses a temporary cookie for each revision ID so separate saves will never
1442 * interfere with each other.
1443 *
1444 * Article::view deletes the cookie on server-side after the redirect and
1445 * converts the value to the global JavaScript variable wgPostEdit.
1446 *
1447 * If the variable were set on the server, it would be cached, which is unwanted
1448 * since the post-edit state should only apply to the load right after the save.
1449 *
1450 * @param int $statusValue The status value (to check for new article status)
1451 */
1452 protected function setPostEditCookie( $statusValue ) {
1453 $revisionId = $this->page->getLatest();
1454 $postEditKey = self::POST_EDIT_COOKIE_KEY_PREFIX . $revisionId;
1455
1456 $val = 'saved';
1457 if ( $statusValue == self::AS_SUCCESS_NEW_ARTICLE ) {
1458 $val = 'created';
1459 } elseif ( $this->oldid ) {
1460 $val = 'restored';
1461 }
1462
1463 $response = RequestContext::getMain()->getRequest()->response();
1464 $response->setCookie( $postEditKey, $val, time() + self::POST_EDIT_COOKIE_DURATION );
1465 }
1466
1467 /**
1468 * Attempt submission
1469 * @param array|bool &$resultDetails See docs for $result in internalAttemptSave
1470 * @throws UserBlockedError|ReadOnlyError|ThrottledError|PermissionsError
1471 * @return Status The resulting status object.
1472 */
1473 public function attemptSave( &$resultDetails = false ) {
1474 global $wgUser;
1475
1476 # Allow bots to exempt some edits from bot flagging
1477 $bot = $wgUser->isAllowed( 'bot' ) && $this->bot;
1478 $status = $this->internalAttemptSave( $resultDetails, $bot );
1479
1480 Hooks::run( 'EditPage::attemptSave:after', [ $this, $status, $resultDetails ] );
1481
1482 return $status;
1483 }
1484
1485 /**
1486 * Log when a page was successfully saved after the edit conflict view
1487 */
1488 private function incrementResolvedConflicts() {
1489 global $wgRequest;
1490
1491 if ( $wgRequest->getText( 'mode' ) !== 'conflict' ) {
1492 return;
1493 }
1494
1495 $stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
1496 $stats->increment( 'edit.failures.conflict.resolved' );
1497 }
1498
1499 /**
1500 * Handle status, such as after attempt save
1501 *
1502 * @param Status $status
1503 * @param array|bool $resultDetails
1504 *
1505 * @throws ErrorPageError
1506 * @return bool False, if output is done, true if rest of the form should be displayed
1507 */
1508 private function handleStatus( Status $status, $resultDetails ) {
1509 global $wgUser, $wgOut;
1510
1511 /**
1512 * @todo FIXME: once the interface for internalAttemptSave() is made
1513 * nicer, this should use the message in $status
1514 */
1515 if ( $status->value == self::AS_SUCCESS_UPDATE
1516 || $status->value == self::AS_SUCCESS_NEW_ARTICLE
1517 ) {
1518 $this->incrementResolvedConflicts();
1519
1520 $this->didSave = true;
1521 if ( !$resultDetails['nullEdit'] ) {
1522 $this->setPostEditCookie( $status->value );
1523 }
1524 }
1525
1526 // "wpExtraQueryRedirect" is a hidden input to modify
1527 // after save URL and is not used by actual edit form
1528 $request = RequestContext::getMain()->getRequest();
1529 $extraQueryRedirect = $request->getVal( 'wpExtraQueryRedirect' );
1530
1531 switch ( $status->value ) {
1532 case self::AS_HOOK_ERROR_EXPECTED:
1533 case self::AS_CONTENT_TOO_BIG:
1534 case self::AS_ARTICLE_WAS_DELETED:
1535 case self::AS_CONFLICT_DETECTED:
1536 case self::AS_SUMMARY_NEEDED:
1537 case self::AS_TEXTBOX_EMPTY:
1538 case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
1539 case self::AS_END:
1540 case self::AS_BLANK_ARTICLE:
1541 case self::AS_SELF_REDIRECT:
1542 return true;
1543
1544 case self::AS_HOOK_ERROR:
1545 return false;
1546
1547 case self::AS_CANNOT_USE_CUSTOM_MODEL:
1548 case self::AS_PARSE_ERROR:
1549 $wgOut->addWikiText( '<div class="error">' . "\n" . $status->getWikiText() . '</div>' );
1550 return true;
1551
1552 case self::AS_SUCCESS_NEW_ARTICLE:
1553 $query = $resultDetails['redirect'] ? 'redirect=no' : '';
1554 if ( $extraQueryRedirect ) {
1555 if ( $query === '' ) {
1556 $query = $extraQueryRedirect;
1557 } else {
1558 $query = $query . '&' . $extraQueryRedirect;
1559 }
1560 }
1561 $anchor = isset( $resultDetails['sectionanchor'] ) ? $resultDetails['sectionanchor'] : '';
1562 $wgOut->redirect( $this->mTitle->getFullURL( $query ) . $anchor );
1563 return false;
1564
1565 case self::AS_SUCCESS_UPDATE:
1566 $extraQuery = '';
1567 $sectionanchor = $resultDetails['sectionanchor'];
1568
1569 // Give extensions a chance to modify URL query on update
1570 Hooks::run(
1571 'ArticleUpdateBeforeRedirect',
1572 [ $this->mArticle, &$sectionanchor, &$extraQuery ]
1573 );
1574
1575 if ( $resultDetails['redirect'] ) {
1576 if ( $extraQuery == '' ) {
1577 $extraQuery = 'redirect=no';
1578 } else {
1579 $extraQuery = 'redirect=no&' . $extraQuery;
1580 }
1581 }
1582 if ( $extraQueryRedirect ) {
1583 if ( $extraQuery === '' ) {
1584 $extraQuery = $extraQueryRedirect;
1585 } else {
1586 $extraQuery = $extraQuery . '&' . $extraQueryRedirect;
1587 }
1588 }
1589
1590 $wgOut->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
1591 return false;
1592
1593 case self::AS_SPAM_ERROR:
1594 $this->spamPageWithContent( $resultDetails['spam'] );
1595 return false;
1596
1597 case self::AS_BLOCKED_PAGE_FOR_USER:
1598 throw new UserBlockedError( $wgUser->getBlock() );
1599
1600 case self::AS_IMAGE_REDIRECT_ANON:
1601 case self::AS_IMAGE_REDIRECT_LOGGED:
1602 throw new PermissionsError( 'upload' );
1603
1604 case self::AS_READ_ONLY_PAGE_ANON:
1605 case self::AS_READ_ONLY_PAGE_LOGGED:
1606 throw new PermissionsError( 'edit' );
1607
1608 case self::AS_READ_ONLY_PAGE:
1609 throw new ReadOnlyError;
1610
1611 case self::AS_RATE_LIMITED:
1612 throw new ThrottledError();
1613
1614 case self::AS_NO_CREATE_PERMISSION:
1615 $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
1616 throw new PermissionsError( $permission );
1617
1618 case self::AS_NO_CHANGE_CONTENT_MODEL:
1619 throw new PermissionsError( 'editcontentmodel' );
1620
1621 default:
1622 // We don't recognize $status->value. The only way that can happen
1623 // is if an extension hook aborted from inside ArticleSave.
1624 // Render the status object into $this->hookError
1625 // FIXME this sucks, we should just use the Status object throughout
1626 $this->hookError = '<div class="error">' ."\n" . $status->getWikiText() .
1627 '</div>';
1628 return true;
1629 }
1630 }
1631
1632 /**
1633 * Run hooks that can filter edits just before they get saved.
1634 *
1635 * @param Content $content The Content to filter.
1636 * @param Status $status For reporting the outcome to the caller
1637 * @param User $user The user performing the edit
1638 *
1639 * @return bool
1640 */
1641 protected function runPostMergeFilters( Content $content, Status $status, User $user ) {
1642 // Run old style post-section-merge edit filter
1643 if ( $this->hookError != '' ) {
1644 # ...or the hook could be expecting us to produce an error
1645 $status->fatal( 'hookaborted' );
1646 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1647 return false;
1648 }
1649
1650 // Run new style post-section-merge edit filter
1651 if ( !Hooks::run( 'EditFilterMergedContent',
1652 [ $this->mArticle->getContext(), $content, $status, $this->summary,
1653 $user, $this->minoredit ] )
1654 ) {
1655 # Error messages etc. could be handled within the hook...
1656 if ( $status->isGood() ) {
1657 $status->fatal( 'hookaborted' );
1658 // Not setting $this->hookError here is a hack to allow the hook
1659 // to cause a return to the edit page without $this->hookError
1660 // being set. This is used by ConfirmEdit to display a captcha
1661 // without any error message cruft.
1662 } else {
1663 $this->hookError = $status->getWikiText();
1664 }
1665 // Use the existing $status->value if the hook set it
1666 if ( !$status->value ) {
1667 $status->value = self::AS_HOOK_ERROR;
1668 }
1669 return false;
1670 } elseif ( !$status->isOK() ) {
1671 # ...or the hook could be expecting us to produce an error
1672 // FIXME this sucks, we should just use the Status object throughout
1673 $this->hookError = $status->getWikiText();
1674 $status->fatal( 'hookaborted' );
1675 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1676 return false;
1677 }
1678
1679 return true;
1680 }
1681
1682 /**
1683 * Return the summary to be used for a new section.
1684 *
1685 * @param string $sectionanchor Set to the section anchor text
1686 * @return string
1687 */
1688 private function newSectionSummary( &$sectionanchor = null ) {
1689 global $wgParser;
1690
1691 if ( $this->sectiontitle !== '' ) {
1692 $sectionanchor = $this->guessSectionName( $this->sectiontitle );
1693 // If no edit summary was specified, create one automatically from the section
1694 // title and have it link to the new section. Otherwise, respect the summary as
1695 // passed.
1696 if ( $this->summary === '' ) {
1697 $cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
1698 return $this->context->msg( 'newsectionsummary' )
1699 ->rawParams( $cleanSectionTitle )->inContentLanguage()->text();
1700 }
1701 } elseif ( $this->summary !== '' ) {
1702 $sectionanchor = $this->guessSectionName( $this->summary );
1703 # This is a new section, so create a link to the new section
1704 # in the revision summary.
1705 $cleanSummary = $wgParser->stripSectionName( $this->summary );
1706 return $this->context->msg( 'newsectionsummary' )
1707 ->rawParams( $cleanSummary )->inContentLanguage()->text();
1708 }
1709 return $this->summary;
1710 }
1711
1712 /**
1713 * Attempt submission (no UI)
1714 *
1715 * @param array &$result Array to add statuses to, currently with the
1716 * possible keys:
1717 * - spam (string): Spam string from content if any spam is detected by
1718 * matchSpamRegex.
1719 * - sectionanchor (string): Section anchor for a section save.
1720 * - nullEdit (bool): Set if doEditContent is OK. True if null edit,
1721 * false otherwise.
1722 * - redirect (bool): Set if doEditContent is OK. True if resulting
1723 * revision is a redirect.
1724 * @param bool $bot True if edit is being made under the bot right.
1725 *
1726 * @return Status Status object, possibly with a message, but always with
1727 * one of the AS_* constants in $status->value,
1728 *
1729 * @todo FIXME: This interface is TERRIBLE, but hard to get rid of due to
1730 * various error display idiosyncrasies. There are also lots of cases
1731 * where error metadata is set in the object and retrieved later instead
1732 * of being returned, e.g. AS_CONTENT_TOO_BIG and
1733 * AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some
1734 * time.
1735 */
1736 public function internalAttemptSave( &$result, $bot = false ) {
1737 global $wgUser, $wgRequest, $wgMaxArticleSize;
1738 global $wgContentHandlerUseDB;
1739
1740 $status = Status::newGood();
1741
1742 if ( !Hooks::run( 'EditPage::attemptSave', [ $this ] ) ) {
1743 wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
1744 $status->fatal( 'hookaborted' );
1745 $status->value = self::AS_HOOK_ERROR;
1746 return $status;
1747 }
1748
1749 $spam = $wgRequest->getText( 'wpAntispam' );
1750 if ( $spam !== '' ) {
1751 wfDebugLog(
1752 'SimpleAntiSpam',
1753 $wgUser->getName() .
1754 ' editing "' .
1755 $this->mTitle->getPrefixedText() .
1756 '" submitted bogus field "' .
1757 $spam .
1758 '"'
1759 );
1760 $status->fatal( 'spamprotectionmatch', false );
1761 $status->value = self::AS_SPAM_ERROR;
1762 return $status;
1763 }
1764
1765 try {
1766 # Construct Content object
1767 $textbox_content = $this->toEditContent( $this->textbox1 );
1768 } catch ( MWContentSerializationException $ex ) {
1769 $status->fatal(
1770 'content-failed-to-parse',
1771 $this->contentModel,
1772 $this->contentFormat,
1773 $ex->getMessage()
1774 );
1775 $status->value = self::AS_PARSE_ERROR;
1776 return $status;
1777 }
1778
1779 # Check image redirect
1780 if ( $this->mTitle->getNamespace() == NS_FILE &&
1781 $textbox_content->isRedirect() &&
1782 !$wgUser->isAllowed( 'upload' )
1783 ) {
1784 $code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
1785 $status->setResult( false, $code );
1786
1787 return $status;
1788 }
1789
1790 # Check for spam
1791 $match = self::matchSummarySpamRegex( $this->summary );
1792 if ( $match === false && $this->section == 'new' ) {
1793 # $wgSpamRegex is enforced on this new heading/summary because, unlike
1794 # regular summaries, it is added to the actual wikitext.
1795 if ( $this->sectiontitle !== '' ) {
1796 # This branch is taken when the API is used with the 'sectiontitle' parameter.
1797 $match = self::matchSpamRegex( $this->sectiontitle );
1798 } else {
1799 # This branch is taken when the "Add Topic" user interface is used, or the API
1800 # is used with the 'summary' parameter.
1801 $match = self::matchSpamRegex( $this->summary );
1802 }
1803 }
1804 if ( $match === false ) {
1805 $match = self::matchSpamRegex( $this->textbox1 );
1806 }
1807 if ( $match !== false ) {
1808 $result['spam'] = $match;
1809 $ip = $wgRequest->getIP();
1810 $pdbk = $this->mTitle->getPrefixedDBkey();
1811 $match = str_replace( "\n", '', $match );
1812 wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
1813 $status->fatal( 'spamprotectionmatch', $match );
1814 $status->value = self::AS_SPAM_ERROR;
1815 return $status;
1816 }
1817 if ( !Hooks::run(
1818 'EditFilter',
1819 [ $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ] )
1820 ) {
1821 # Error messages etc. could be handled within the hook...
1822 $status->fatal( 'hookaborted' );
1823 $status->value = self::AS_HOOK_ERROR;
1824 return $status;
1825 } elseif ( $this->hookError != '' ) {
1826 # ...or the hook could be expecting us to produce an error
1827 $status->fatal( 'hookaborted' );
1828 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1829 return $status;
1830 }
1831
1832 if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
1833 // Auto-block user's IP if the account was "hard" blocked
1834 if ( !wfReadOnly() ) {
1835 $wgUser->spreadAnyEditBlock();
1836 }
1837 # Check block state against master, thus 'false'.
1838 $status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
1839 return $status;
1840 }
1841
1842 $this->contentLength = strlen( $this->textbox1 );
1843 if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
1844 // Error will be displayed by showEditForm()
1845 $this->tooBig = true;
1846 $status->setResult( false, self::AS_CONTENT_TOO_BIG );
1847 return $status;
1848 }
1849
1850 if ( !$wgUser->isAllowed( 'edit' ) ) {
1851 if ( $wgUser->isAnon() ) {
1852 $status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
1853 return $status;
1854 } else {
1855 $status->fatal( 'readonlytext' );
1856 $status->value = self::AS_READ_ONLY_PAGE_LOGGED;
1857 return $status;
1858 }
1859 }
1860
1861 $changingContentModel = false;
1862 if ( $this->contentModel !== $this->mTitle->getContentModel() ) {
1863 if ( !$wgContentHandlerUseDB ) {
1864 $status->fatal( 'editpage-cannot-use-custom-model' );
1865 $status->value = self::AS_CANNOT_USE_CUSTOM_MODEL;
1866 return $status;
1867 } elseif ( !$wgUser->isAllowed( 'editcontentmodel' ) ) {
1868 $status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
1869 return $status;
1870 }
1871 // Make sure the user can edit the page under the new content model too
1872 $titleWithNewContentModel = clone $this->mTitle;
1873 $titleWithNewContentModel->setContentModel( $this->contentModel );
1874 if ( !$titleWithNewContentModel->userCan( 'editcontentmodel', $wgUser )
1875 || !$titleWithNewContentModel->userCan( 'edit', $wgUser )
1876 ) {
1877 $status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
1878 return $status;
1879 }
1880
1881 $changingContentModel = true;
1882 $oldContentModel = $this->mTitle->getContentModel();
1883 }
1884
1885 if ( $this->changeTags ) {
1886 $changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
1887 $this->changeTags, $wgUser );
1888 if ( !$changeTagsStatus->isOK() ) {
1889 $changeTagsStatus->value = self::AS_CHANGE_TAG_ERROR;
1890 return $changeTagsStatus;
1891 }
1892 }
1893
1894 if ( wfReadOnly() ) {
1895 $status->fatal( 'readonlytext' );
1896 $status->value = self::AS_READ_ONLY_PAGE;
1897 return $status;
1898 }
1899 if ( $wgUser->pingLimiter() || $wgUser->pingLimiter( 'linkpurge', 0 )
1900 || ( $changingContentModel && $wgUser->pingLimiter( 'editcontentmodel' ) )
1901 ) {
1902 $status->fatal( 'actionthrottledtext' );
1903 $status->value = self::AS_RATE_LIMITED;
1904 return $status;
1905 }
1906
1907 # If the article has been deleted while editing, don't save it without
1908 # confirmation
1909 if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
1910 $status->setResult( false, self::AS_ARTICLE_WAS_DELETED );
1911 return $status;
1912 }
1913
1914 # Load the page data from the master. If anything changes in the meantime,
1915 # we detect it by using page_latest like a token in a 1 try compare-and-swap.
1916 $this->page->loadPageData( 'fromdbmaster' );
1917 $new = !$this->page->exists();
1918
1919 if ( $new ) {
1920 // Late check for create permission, just in case *PARANOIA*
1921 if ( !$this->mTitle->userCan( 'create', $wgUser ) ) {
1922 $status->fatal( 'nocreatetext' );
1923 $status->value = self::AS_NO_CREATE_PERMISSION;
1924 wfDebug( __METHOD__ . ": no create permission\n" );
1925 return $status;
1926 }
1927
1928 // Don't save a new page if it's blank or if it's a MediaWiki:
1929 // message with content equivalent to default (allow empty pages
1930 // in this case to disable messages, see T52124)
1931 $defaultMessageText = $this->mTitle->getDefaultMessageText();
1932 if ( $this->mTitle->getNamespace() === NS_MEDIAWIKI && $defaultMessageText !== false ) {
1933 $defaultText = $defaultMessageText;
1934 } else {
1935 $defaultText = '';
1936 }
1937
1938 if ( !$this->allowBlankArticle && $this->textbox1 === $defaultText ) {
1939 $this->blankArticle = true;
1940 $status->fatal( 'blankarticle' );
1941 $status->setResult( false, self::AS_BLANK_ARTICLE );
1942 return $status;
1943 }
1944
1945 if ( !$this->runPostMergeFilters( $textbox_content, $status, $wgUser ) ) {
1946 return $status;
1947 }
1948
1949 $content = $textbox_content;
1950
1951 $result['sectionanchor'] = '';
1952 if ( $this->section == 'new' ) {
1953 if ( $this->sectiontitle !== '' ) {
1954 // Insert the section title above the content.
1955 $content = $content->addSectionHeader( $this->sectiontitle );
1956 } elseif ( $this->summary !== '' ) {
1957 // Insert the section title above the content.
1958 $content = $content->addSectionHeader( $this->summary );
1959 }
1960 $this->summary = $this->newSectionSummary( $result['sectionanchor'] );
1961 }
1962
1963 $status->value = self::AS_SUCCESS_NEW_ARTICLE;
1964
1965 } else { # not $new
1966
1967 # Article exists. Check for edit conflict.
1968
1969 $this->page->clear(); # Force reload of dates, etc.
1970 $timestamp = $this->page->getTimestamp();
1971 $latest = $this->page->getLatest();
1972
1973 wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
1974
1975 // Check editRevId if set, which handles same-second timestamp collisions
1976 if ( $timestamp != $this->edittime
1977 || ( $this->editRevId !== null && $this->editRevId != $latest )
1978 ) {
1979 $this->isConflict = true;
1980 if ( $this->section == 'new' ) {
1981 if ( $this->page->getUserText() == $wgUser->getName() &&
1982 $this->page->getComment() == $this->newSectionSummary()
1983 ) {
1984 // Probably a duplicate submission of a new comment.
1985 // This can happen when CDN resends a request after
1986 // a timeout but the first one actually went through.
1987 wfDebug( __METHOD__
1988 . ": duplicate new section submission; trigger edit conflict!\n" );
1989 } else {
1990 // New comment; suppress conflict.
1991 $this->isConflict = false;
1992 wfDebug( __METHOD__ . ": conflict suppressed; new section\n" );
1993 }
1994 } elseif ( $this->section == ''
1995 && Revision::userWasLastToEdit(
1996 DB_MASTER, $this->mTitle->getArticleID(),
1997 $wgUser->getId(), $this->edittime
1998 )
1999 ) {
2000 # Suppress edit conflict with self, except for section edits where merging is required.
2001 wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
2002 $this->isConflict = false;
2003 }
2004 }
2005
2006 // If sectiontitle is set, use it, otherwise use the summary as the section title.
2007 if ( $this->sectiontitle !== '' ) {
2008 $sectionTitle = $this->sectiontitle;
2009 } else {
2010 $sectionTitle = $this->summary;
2011 }
2012
2013 $content = null;
2014
2015 if ( $this->isConflict ) {
2016 wfDebug( __METHOD__
2017 . ": conflict! getting section '{$this->section}' for time '{$this->edittime}'"
2018 . " (id '{$this->editRevId}') (article time '{$timestamp}')\n" );
2019 // @TODO: replaceSectionAtRev() with base ID (not prior current) for ?oldid=X case
2020 // ...or disable section editing for non-current revisions (not exposed anyway).
2021 if ( $this->editRevId !== null ) {
2022 $content = $this->page->replaceSectionAtRev(
2023 $this->section,
2024 $textbox_content,
2025 $sectionTitle,
2026 $this->editRevId
2027 );
2028 } else {
2029 $content = $this->page->replaceSectionContent(
2030 $this->section,
2031 $textbox_content,
2032 $sectionTitle,
2033 $this->edittime
2034 );
2035 }
2036 } else {
2037 wfDebug( __METHOD__ . ": getting section '{$this->section}'\n" );
2038 $content = $this->page->replaceSectionContent(
2039 $this->section,
2040 $textbox_content,
2041 $sectionTitle
2042 );
2043 }
2044
2045 if ( is_null( $content ) ) {
2046 wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
2047 $this->isConflict = true;
2048 $content = $textbox_content; // do not try to merge here!
2049 } elseif ( $this->isConflict ) {
2050 # Attempt merge
2051 if ( $this->mergeChangesIntoContent( $content ) ) {
2052 // Successful merge! Maybe we should tell the user the good news?
2053 $this->isConflict = false;
2054 wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
2055 } else {
2056 $this->section = '';
2057 $this->textbox1 = ContentHandler::getContentText( $content );
2058 wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
2059 }
2060 }
2061
2062 if ( $this->isConflict ) {
2063 $status->setResult( false, self::AS_CONFLICT_DETECTED );
2064 return $status;
2065 }
2066
2067 if ( !$this->runPostMergeFilters( $content, $status, $wgUser ) ) {
2068 return $status;
2069 }
2070
2071 if ( $this->section == 'new' ) {
2072 // Handle the user preference to force summaries here
2073 if ( !$this->allowBlankSummary && trim( $this->summary ) == '' ) {
2074 $this->missingSummary = true;
2075 $status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
2076 $status->value = self::AS_SUMMARY_NEEDED;
2077 return $status;
2078 }
2079
2080 // Do not allow the user to post an empty comment
2081 if ( $this->textbox1 == '' ) {
2082 $this->missingComment = true;
2083 $status->fatal( 'missingcommenttext' );
2084 $status->value = self::AS_TEXTBOX_EMPTY;
2085 return $status;
2086 }
2087 } elseif ( !$this->allowBlankSummary
2088 && !$content->equals( $this->getOriginalContent( $wgUser ) )
2089 && !$content->isRedirect()
2090 && md5( $this->summary ) == $this->autoSumm
2091 ) {
2092 $this->missingSummary = true;
2093 $status->fatal( 'missingsummary' );
2094 $status->value = self::AS_SUMMARY_NEEDED;
2095 return $status;
2096 }
2097
2098 # All's well
2099 $sectionanchor = '';
2100 if ( $this->section == 'new' ) {
2101 $this->summary = $this->newSectionSummary( $sectionanchor );
2102 } elseif ( $this->section != '' ) {
2103 # Try to get a section anchor from the section source, redirect
2104 # to edited section if header found.
2105 # XXX: Might be better to integrate this into Article::replaceSectionAtRev
2106 # for duplicate heading checking and maybe parsing.
2107 $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
2108 # We can't deal with anchors, includes, html etc in the header for now,
2109 # headline would need to be parsed to improve this.
2110 if ( $hasmatch && strlen( $matches[2] ) > 0 ) {
2111 $sectionanchor = $this->guessSectionName( $matches[2] );
2112 }
2113 }
2114 $result['sectionanchor'] = $sectionanchor;
2115
2116 // Save errors may fall down to the edit form, but we've now
2117 // merged the section into full text. Clear the section field
2118 // so that later submission of conflict forms won't try to
2119 // replace that into a duplicated mess.
2120 $this->textbox1 = $this->toEditText( $content );
2121 $this->section = '';
2122
2123 $status->value = self::AS_SUCCESS_UPDATE;
2124 }
2125
2126 if ( !$this->allowSelfRedirect
2127 && $content->isRedirect()
2128 && $content->getRedirectTarget()->equals( $this->getTitle() )
2129 ) {
2130 // If the page already redirects to itself, don't warn.
2131 $currentTarget = $this->getCurrentContent()->getRedirectTarget();
2132 if ( !$currentTarget || !$currentTarget->equals( $this->getTitle() ) ) {
2133 $this->selfRedirect = true;
2134 $status->fatal( 'selfredirect' );
2135 $status->value = self::AS_SELF_REDIRECT;
2136 return $status;
2137 }
2138 }
2139
2140 // Check for length errors again now that the section is merged in
2141 $this->contentLength = strlen( $this->toEditText( $content ) );
2142 if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
2143 $this->tooBig = true;
2144 $status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
2145 return $status;
2146 }
2147
2148 $flags = EDIT_AUTOSUMMARY |
2149 ( $new ? EDIT_NEW : EDIT_UPDATE ) |
2150 ( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
2151 ( $bot ? EDIT_FORCE_BOT : 0 );
2152
2153 $doEditStatus = $this->page->doEditContent(
2154 $content,
2155 $this->summary,
2156 $flags,
2157 false,
2158 $wgUser,
2159 $content->getDefaultFormat(),
2160 $this->changeTags,
2161 $this->undidRev
2162 );
2163
2164 if ( !$doEditStatus->isOK() ) {
2165 // Failure from doEdit()
2166 // Show the edit conflict page for certain recognized errors from doEdit(),
2167 // but don't show it for errors from extension hooks
2168 $errors = $doEditStatus->getErrorsArray();
2169 if ( in_array( $errors[0][0],
2170 [ 'edit-gone-missing', 'edit-conflict', 'edit-already-exists' ] )
2171 ) {
2172 $this->isConflict = true;
2173 // Destroys data doEdit() put in $status->value but who cares
2174 $doEditStatus->value = self::AS_END;
2175 }
2176 return $doEditStatus;
2177 }
2178
2179 $result['nullEdit'] = $doEditStatus->hasMessage( 'edit-no-change' );
2180 if ( $result['nullEdit'] ) {
2181 // We don't know if it was a null edit until now, so increment here
2182 $wgUser->pingLimiter( 'linkpurge' );
2183 }
2184 $result['redirect'] = $content->isRedirect();
2185
2186 $this->updateWatchlist();
2187
2188 // If the content model changed, add a log entry
2189 if ( $changingContentModel ) {
2190 $this->addContentModelChangeLogEntry(
2191 $wgUser,
2192 $new ? false : $oldContentModel,
2193 $this->contentModel,
2194 $this->summary
2195 );
2196 }
2197
2198 return $status;
2199 }
2200
2201 /**
2202 * @param User $user
2203 * @param string|false $oldModel false if the page is being newly created
2204 * @param string $newModel
2205 * @param string $reason
2206 */
2207 protected function addContentModelChangeLogEntry( User $user, $oldModel, $newModel, $reason ) {
2208 $new = $oldModel === false;
2209 $log = new ManualLogEntry( 'contentmodel', $new ? 'new' : 'change' );
2210 $log->setPerformer( $user );
2211 $log->setTarget( $this->mTitle );
2212 $log->setComment( $reason );
2213 $log->setParameters( [
2214 '4::oldmodel' => $oldModel,
2215 '5::newmodel' => $newModel
2216 ] );
2217 $logid = $log->insert();
2218 $log->publish( $logid );
2219 }
2220
2221 /**
2222 * Register the change of watch status
2223 */
2224 protected function updateWatchlist() {
2225 global $wgUser;
2226
2227 if ( !$wgUser->isLoggedIn() ) {
2228 return;
2229 }
2230
2231 $user = $wgUser;
2232 $title = $this->mTitle;
2233 $watch = $this->watchthis;
2234 // Do this in its own transaction to reduce contention...
2235 DeferredUpdates::addCallableUpdate( function () use ( $user, $title, $watch ) {
2236 if ( $watch == $user->isWatched( $title, User::IGNORE_USER_RIGHTS ) ) {
2237 return; // nothing to change
2238 }
2239 WatchAction::doWatchOrUnwatch( $watch, $title, $user );
2240 } );
2241 }
2242
2243 /**
2244 * Attempts to do 3-way merge of edit content with a base revision
2245 * and current content, in case of edit conflict, in whichever way appropriate
2246 * for the content type.
2247 *
2248 * @since 1.21
2249 *
2250 * @param Content $editContent
2251 *
2252 * @return bool
2253 */
2254 private function mergeChangesIntoContent( &$editContent ) {
2255 $db = wfGetDB( DB_MASTER );
2256
2257 // This is the revision the editor started from
2258 $baseRevision = $this->getBaseRevision();
2259 $baseContent = $baseRevision ? $baseRevision->getContent() : null;
2260
2261 if ( is_null( $baseContent ) ) {
2262 return false;
2263 }
2264
2265 // The current state, we want to merge updates into it
2266 $currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
2267 $currentContent = $currentRevision ? $currentRevision->getContent() : null;
2268
2269 if ( is_null( $currentContent ) ) {
2270 return false;
2271 }
2272
2273 $handler = ContentHandler::getForModelID( $baseContent->getModel() );
2274
2275 $result = $handler->merge3( $baseContent, $editContent, $currentContent );
2276
2277 if ( $result ) {
2278 $editContent = $result;
2279 // Update parentRevId to what we just merged.
2280 $this->parentRevId = $currentRevision->getId();
2281 return true;
2282 }
2283
2284 return false;
2285 }
2286
2287 /**
2288 * @note: this method is very poorly named. If the user opened the form with ?oldid=X,
2289 * one might think of X as the "base revision", which is NOT what this returns.
2290 * @return Revision Current version when the edit was started
2291 */
2292 public function getBaseRevision() {
2293 if ( !$this->mBaseRevision ) {
2294 $db = wfGetDB( DB_MASTER );
2295 $this->mBaseRevision = $this->editRevId
2296 ? Revision::newFromId( $this->editRevId, Revision::READ_LATEST )
2297 : Revision::loadFromTimestamp( $db, $this->mTitle, $this->edittime );
2298 }
2299 return $this->mBaseRevision;
2300 }
2301
2302 /**
2303 * Check given input text against $wgSpamRegex, and return the text of the first match.
2304 *
2305 * @param string $text
2306 *
2307 * @return string|bool Matching string or false
2308 */
2309 public static function matchSpamRegex( $text ) {
2310 global $wgSpamRegex;
2311 // For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
2312 $regexes = (array)$wgSpamRegex;
2313 return self::matchSpamRegexInternal( $text, $regexes );
2314 }
2315
2316 /**
2317 * Check given input text against $wgSummarySpamRegex, and return the text of the first match.
2318 *
2319 * @param string $text
2320 *
2321 * @return string|bool Matching string or false
2322 */
2323 public static function matchSummarySpamRegex( $text ) {
2324 global $wgSummarySpamRegex;
2325 $regexes = (array)$wgSummarySpamRegex;
2326 return self::matchSpamRegexInternal( $text, $regexes );
2327 }
2328
2329 /**
2330 * @param string $text
2331 * @param array $regexes
2332 * @return bool|string
2333 */
2334 protected static function matchSpamRegexInternal( $text, $regexes ) {
2335 foreach ( $regexes as $regex ) {
2336 $matches = [];
2337 if ( preg_match( $regex, $text, $matches ) ) {
2338 return $matches[0];
2339 }
2340 }
2341 return false;
2342 }
2343
2344 public function setHeaders() {
2345 global $wgOut, $wgUser, $wgAjaxEditStash;
2346
2347 $wgOut->addModules( 'mediawiki.action.edit' );
2348 $wgOut->addModuleStyles( 'mediawiki.action.edit.styles' );
2349
2350 if ( $wgUser->getOption( 'showtoolbar' ) ) {
2351 // The addition of default buttons is handled by getEditToolbar() which
2352 // has its own dependency on this module. The call here ensures the module
2353 // is loaded in time (it has position "top") for other modules to register
2354 // buttons (e.g. extensions, gadgets, user scripts).
2355 $wgOut->addModules( 'mediawiki.toolbar' );
2356 }
2357
2358 if ( $wgUser->getOption( 'uselivepreview' ) ) {
2359 $wgOut->addModules( 'mediawiki.action.edit.preview' );
2360 }
2361
2362 if ( $wgUser->getOption( 'useeditwarning' ) ) {
2363 $wgOut->addModules( 'mediawiki.action.edit.editWarning' );
2364 }
2365
2366 # Enabled article-related sidebar, toplinks, etc.
2367 $wgOut->setArticleRelated( true );
2368
2369 $contextTitle = $this->getContextTitle();
2370 if ( $this->isConflict ) {
2371 $msg = 'editconflict';
2372 } elseif ( $contextTitle->exists() && $this->section != '' ) {
2373 $msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
2374 } else {
2375 $msg = $contextTitle->exists()
2376 || ( $contextTitle->getNamespace() == NS_MEDIAWIKI
2377 && $contextTitle->getDefaultMessageText() !== false
2378 )
2379 ? 'editing'
2380 : 'creating';
2381 }
2382
2383 # Use the title defined by DISPLAYTITLE magic word when present
2384 # NOTE: getDisplayTitle() returns HTML while getPrefixedText() returns plain text.
2385 # setPageTitle() treats the input as wikitext, which should be safe in either case.
2386 $displayTitle = isset( $this->mParserOutput ) ? $this->mParserOutput->getDisplayTitle() : false;
2387 if ( $displayTitle === false ) {
2388 $displayTitle = $contextTitle->getPrefixedText();
2389 }
2390 $wgOut->setPageTitle( $this->context->msg( $msg, $displayTitle ) );
2391 # Transmit the name of the message to JavaScript for live preview
2392 # Keep Resources.php/mediawiki.action.edit.preview in sync with the possible keys
2393 $wgOut->addJsConfigVars( [
2394 'wgEditMessage' => $msg,
2395 'wgAjaxEditStash' => $wgAjaxEditStash,
2396 ] );
2397 }
2398
2399 /**
2400 * Show all applicable editing introductions
2401 */
2402 protected function showIntro() {
2403 global $wgOut, $wgUser;
2404 if ( $this->suppressIntro ) {
2405 return;
2406 }
2407
2408 $namespace = $this->mTitle->getNamespace();
2409
2410 if ( $namespace == NS_MEDIAWIKI ) {
2411 # Show a warning if editing an interface message
2412 $wgOut->wrapWikiMsg( "<div class='mw-editinginterface'>\n$1\n</div>", 'editinginterface' );
2413 # If this is a default message (but not css or js),
2414 # show a hint that it is translatable on translatewiki.net
2415 if ( !$this->mTitle->hasContentModel( CONTENT_MODEL_CSS )
2416 && !$this->mTitle->hasContentModel( CONTENT_MODEL_JAVASCRIPT )
2417 ) {
2418 $defaultMessageText = $this->mTitle->getDefaultMessageText();
2419 if ( $defaultMessageText !== false ) {
2420 $wgOut->wrapWikiMsg( "<div class='mw-translateinterface'>\n$1\n</div>",
2421 'translateinterface' );
2422 }
2423 }
2424 } elseif ( $namespace == NS_FILE ) {
2425 # Show a hint to shared repo
2426 $file = wfFindFile( $this->mTitle );
2427 if ( $file && !$file->isLocal() ) {
2428 $descUrl = $file->getDescriptionUrl();
2429 # there must be a description url to show a hint to shared repo
2430 if ( $descUrl ) {
2431 if ( !$this->mTitle->exists() ) {
2432 $wgOut->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-create\">\n$1\n</div>", [
2433 'sharedupload-desc-create', $file->getRepo()->getDisplayName(), $descUrl
2434 ] );
2435 } else {
2436 $wgOut->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-edit\">\n$1\n</div>", [
2437 'sharedupload-desc-edit', $file->getRepo()->getDisplayName(), $descUrl
2438 ] );
2439 }
2440 }
2441 }
2442 }
2443
2444 # Show a warning message when someone creates/edits a user (talk) page but the user does not exist
2445 # Show log extract when the user is currently blocked
2446 if ( $namespace == NS_USER || $namespace == NS_USER_TALK ) {
2447 $username = explode( '/', $this->mTitle->getText(), 2 )[0];
2448 $user = User::newFromName( $username, false /* allow IP users */ );
2449 $ip = User::isIP( $username );
2450 $block = Block::newFromTarget( $user, $user );
2451 if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
2452 $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n$1\n</div>",
2453 [ 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ] );
2454 } elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
2455 # Show log extract if the user is currently blocked
2456 LogEventsList::showLogExtract(
2457 $wgOut,
2458 'block',
2459 MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
2460 '',
2461 [
2462 'lim' => 1,
2463 'showIfEmpty' => false,
2464 'msgKey' => [
2465 'blocked-notice-logextract',
2466 $user->getName() # Support GENDER in notice
2467 ]
2468 ]
2469 );
2470 }
2471 }
2472 # Try to add a custom edit intro, or use the standard one if this is not possible.
2473 if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
2474 $helpLink = wfExpandUrl( Skin::makeInternalOrExternalUrl(
2475 $this->context->msg( 'helppage' )->inContentLanguage()->text()
2476 ) );
2477 if ( $wgUser->isLoggedIn() ) {
2478 $wgOut->wrapWikiMsg(
2479 // Suppress the external link icon, consider the help url an internal one
2480 "<div class=\"mw-newarticletext plainlinks\">\n$1\n</div>",
2481 [
2482 'newarticletext',
2483 $helpLink
2484 ]
2485 );
2486 } else {
2487 $wgOut->wrapWikiMsg(
2488 // Suppress the external link icon, consider the help url an internal one
2489 "<div class=\"mw-newarticletextanon plainlinks\">\n$1\n</div>",
2490 [
2491 'newarticletextanon',
2492 $helpLink
2493 ]
2494 );
2495 }
2496 }
2497 # Give a notice if the user is editing a deleted/moved page...
2498 if ( !$this->mTitle->exists() ) {
2499 $dbr = wfGetDB( DB_REPLICA );
2500
2501 LogEventsList::showLogExtract( $wgOut, [ 'delete', 'move' ], $this->mTitle,
2502 '',
2503 [
2504 'lim' => 10,
2505 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
2506 'showIfEmpty' => false,
2507 'msgKey' => [ 'recreate-moveddeleted-warn' ]
2508 ]
2509 );
2510 }
2511 }
2512
2513 /**
2514 * Attempt to show a custom editing introduction, if supplied
2515 *
2516 * @return bool
2517 */
2518 protected function showCustomIntro() {
2519 if ( $this->editintro ) {
2520 $title = Title::newFromText( $this->editintro );
2521 if ( $title instanceof Title && $title->exists() && $title->userCan( 'read' ) ) {
2522 global $wgOut;
2523 // Added using template syntax, to take <noinclude>'s into account.
2524 $wgOut->addWikiTextTitleTidy(
2525 '<div class="mw-editintro">{{:' . $title->getFullText() . '}}</div>',
2526 $this->mTitle
2527 );
2528 return true;
2529 }
2530 }
2531 return false;
2532 }
2533
2534 /**
2535 * Gets an editable textual representation of $content.
2536 * The textual representation can be turned by into a Content object by the
2537 * toEditContent() method.
2538 *
2539 * If $content is null or false or a string, $content is returned unchanged.
2540 *
2541 * If the given Content object is not of a type that can be edited using
2542 * the text base EditPage, an exception will be raised. Set
2543 * $this->allowNonTextContent to true to allow editing of non-textual
2544 * content.
2545 *
2546 * @param Content|null|bool|string $content
2547 * @return string The editable text form of the content.
2548 *
2549 * @throws MWException If $content is not an instance of TextContent and
2550 * $this->allowNonTextContent is not true.
2551 */
2552 protected function toEditText( $content ) {
2553 if ( $content === null || $content === false || is_string( $content ) ) {
2554 return $content;
2555 }
2556
2557 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2558 throw new MWException( 'This content model is not supported: ' . $content->getModel() );
2559 }
2560
2561 return $content->serialize( $this->contentFormat );
2562 }
2563
2564 /**
2565 * Turns the given text into a Content object by unserializing it.
2566 *
2567 * If the resulting Content object is not of a type that can be edited using
2568 * the text base EditPage, an exception will be raised. Set
2569 * $this->allowNonTextContent to true to allow editing of non-textual
2570 * content.
2571 *
2572 * @param string|null|bool $text Text to unserialize
2573 * @return Content|bool|null The content object created from $text. If $text was false
2574 * or null, false resp. null will be returned instead.
2575 *
2576 * @throws MWException If unserializing the text results in a Content
2577 * object that is not an instance of TextContent and
2578 * $this->allowNonTextContent is not true.
2579 */
2580 protected function toEditContent( $text ) {
2581 if ( $text === false || $text === null ) {
2582 return $text;
2583 }
2584
2585 $content = ContentHandler::makeContent( $text, $this->getTitle(),
2586 $this->contentModel, $this->contentFormat );
2587
2588 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2589 throw new MWException( 'This content model is not supported: ' . $content->getModel() );
2590 }
2591
2592 return $content;
2593 }
2594
2595 /**
2596 * Send the edit form and related headers to $wgOut
2597 * @param callable|null $formCallback That takes an OutputPage parameter; will be called
2598 * during form output near the top, for captchas and the like.
2599 *
2600 * The $formCallback parameter is deprecated since MediaWiki 1.25. Please
2601 * use the EditPage::showEditForm:fields hook instead.
2602 */
2603 public function showEditForm( $formCallback = null ) {
2604 global $wgOut, $wgUser;
2605
2606 # need to parse the preview early so that we know which templates are used,
2607 # otherwise users with "show preview after edit box" will get a blank list
2608 # we parse this near the beginning so that setHeaders can do the title
2609 # setting work instead of leaving it in getPreviewText
2610 $previewOutput = '';
2611 if ( $this->formtype == 'preview' ) {
2612 $previewOutput = $this->getPreviewText();
2613 }
2614
2615 // Avoid PHP 7.1 warning of passing $this by reference
2616 $editPage = $this;
2617 Hooks::run( 'EditPage::showEditForm:initial', [ &$editPage, &$wgOut ] );
2618
2619 $this->setHeaders();
2620
2621 $this->addTalkPageText();
2622 $this->addEditNotices();
2623
2624 if ( !$this->isConflict &&
2625 $this->section != '' &&
2626 !$this->isSectionEditSupported() ) {
2627 // We use $this->section to much before this and getVal('wgSection') directly in other places
2628 // at this point we can't reset $this->section to '' to fallback to non-section editing.
2629 // Someone is welcome to try refactoring though
2630 $wgOut->showErrorPage( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
2631 return;
2632 }
2633
2634 $this->showHeader();
2635
2636 $wgOut->addHTML( $this->editFormPageTop );
2637
2638 if ( $wgUser->getOption( 'previewontop' ) ) {
2639 $this->displayPreviewArea( $previewOutput, true );
2640 }
2641
2642 $wgOut->addHTML( $this->editFormTextTop );
2643
2644 $showToolbar = true;
2645 if ( $this->wasDeletedSinceLastEdit() ) {
2646 if ( $this->formtype == 'save' ) {
2647 // Hide the toolbar and edit area, user can click preview to get it back
2648 // Add an confirmation checkbox and explanation.
2649 $showToolbar = false;
2650 } else {
2651 $wgOut->wrapWikiMsg( "<div class='error mw-deleted-while-editing'>\n$1\n</div>",
2652 'deletedwhileediting' );
2653 }
2654 }
2655
2656 // @todo add EditForm plugin interface and use it here!
2657 // search for textarea1 and textarea2, and allow EditForm to override all uses.
2658 $wgOut->addHTML( Html::openElement(
2659 'form',
2660 [
2661 'class' => 'mw-editform',
2662 'id' => self::EDITFORM_ID,
2663 'name' => self::EDITFORM_ID,
2664 'method' => 'post',
2665 'action' => $this->getActionURL( $this->getContextTitle() ),
2666 'enctype' => 'multipart/form-data'
2667 ]
2668 ) );
2669
2670 if ( is_callable( $formCallback ) ) {
2671 wfWarn( 'The $formCallback parameter to ' . __METHOD__ . 'is deprecated' );
2672 call_user_func_array( $formCallback, [ &$wgOut ] );
2673 }
2674
2675 // Add an empty field to trip up spambots
2676 $wgOut->addHTML(
2677 Xml::openElement( 'div', [ 'id' => 'antispam-container', 'style' => 'display: none;' ] )
2678 . Html::rawElement(
2679 'label',
2680 [ 'for' => 'wpAntispam' ],
2681 $this->context->msg( 'simpleantispam-label' )->parse()
2682 )
2683 . Xml::element(
2684 'input',
2685 [
2686 'type' => 'text',
2687 'name' => 'wpAntispam',
2688 'id' => 'wpAntispam',
2689 'value' => ''
2690 ]
2691 )
2692 . Xml::closeElement( 'div' )
2693 );
2694
2695 // Avoid PHP 7.1 warning of passing $this by reference
2696 $editPage = $this;
2697 Hooks::run( 'EditPage::showEditForm:fields', [ &$editPage, &$wgOut ] );
2698
2699 // Put these up at the top to ensure they aren't lost on early form submission
2700 $this->showFormBeforeText();
2701
2702 if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
2703 $username = $this->lastDelete->user_name;
2704 $comment = CommentStore::newKey( 'log_comment' )->getComment( $this->lastDelete )->text;
2705
2706 // It is better to not parse the comment at all than to have templates expanded in the middle
2707 // TODO: can the checkLabel be moved outside of the div so that wrapWikiMsg could be used?
2708 $key = $comment === ''
2709 ? 'confirmrecreate-noreason'
2710 : 'confirmrecreate';
2711 $wgOut->addHTML(
2712 '<div class="mw-confirm-recreate">' .
2713 $this->context->msg( $key, $username, "<nowiki>$comment</nowiki>" )->parse() .
2714 Xml::checkLabel( $this->context->msg( 'recreate' )->text(), 'wpRecreate', 'wpRecreate', false,
2715 [ 'title' => Linker::titleAttrib( 'recreate' ), 'tabindex' => 1, 'id' => 'wpRecreate' ]
2716 ) .
2717 '</div>'
2718 );
2719 }
2720
2721 # When the summary is hidden, also hide them on preview/show changes
2722 if ( $this->nosummary ) {
2723 $wgOut->addHTML( Html::hidden( 'nosummary', true ) );
2724 }
2725
2726 # If a blank edit summary was previously provided, and the appropriate
2727 # user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
2728 # user being bounced back more than once in the event that a summary
2729 # is not required.
2730 # ####
2731 # For a bit more sophisticated detection of blank summaries, hash the
2732 # automatic one and pass that in the hidden field wpAutoSummary.
2733 if ( $this->missingSummary || ( $this->section == 'new' && $this->nosummary ) ) {
2734 $wgOut->addHTML( Html::hidden( 'wpIgnoreBlankSummary', true ) );
2735 }
2736
2737 if ( $this->undidRev ) {
2738 $wgOut->addHTML( Html::hidden( 'wpUndidRevision', $this->undidRev ) );
2739 }
2740
2741 if ( $this->selfRedirect ) {
2742 $wgOut->addHTML( Html::hidden( 'wpIgnoreSelfRedirect', true ) );
2743 }
2744
2745 if ( $this->hasPresetSummary ) {
2746 // If a summary has been preset using &summary= we don't want to prompt for
2747 // a different summary. Only prompt for a summary if the summary is blanked.
2748 // (T19416)
2749 $this->autoSumm = md5( '' );
2750 }
2751
2752 $autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
2753 $wgOut->addHTML( Html::hidden( 'wpAutoSummary', $autosumm ) );
2754
2755 $wgOut->addHTML( Html::hidden( 'oldid', $this->oldid ) );
2756 $wgOut->addHTML( Html::hidden( 'parentRevId', $this->getParentRevId() ) );
2757
2758 $wgOut->addHTML( Html::hidden( 'format', $this->contentFormat ) );
2759 $wgOut->addHTML( Html::hidden( 'model', $this->contentModel ) );
2760
2761 $wgOut->enableOOUI();
2762
2763 if ( $this->section == 'new' ) {
2764 $this->showSummaryInput( true, $this->summary );
2765 $wgOut->addHTML( $this->getSummaryPreview( true, $this->summary ) );
2766 }
2767
2768 $wgOut->addHTML( $this->editFormTextBeforeContent );
2769
2770 if ( !$this->isCssJsSubpage && $showToolbar && $wgUser->getOption( 'showtoolbar' ) ) {
2771 $wgOut->addHTML( self::getEditToolbar( $this->mTitle ) );
2772 }
2773
2774 if ( $this->blankArticle ) {
2775 $wgOut->addHTML( Html::hidden( 'wpIgnoreBlankArticle', true ) );
2776 }
2777
2778 if ( $this->isConflict ) {
2779 // In an edit conflict bypass the overridable content form method
2780 // and fallback to the raw wpTextbox1 since editconflicts can't be
2781 // resolved between page source edits and custom ui edits using the
2782 // custom edit ui.
2783 $this->textbox2 = $this->textbox1;
2784
2785 $content = $this->getCurrentContent();
2786 $this->textbox1 = $this->toEditText( $content );
2787
2788 $this->showTextbox1();
2789 } else {
2790 $this->showContentForm();
2791 }
2792
2793 $wgOut->addHTML( $this->editFormTextAfterContent );
2794
2795 $this->showStandardInputs();
2796
2797 $this->showFormAfterText();
2798
2799 $this->showTosSummary();
2800
2801 $this->showEditTools();
2802
2803 $wgOut->addHTML( $this->editFormTextAfterTools . "\n" );
2804
2805 $wgOut->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
2806
2807 $wgOut->addHTML( Html::rawElement( 'div', [ 'class' => 'hiddencats' ],
2808 Linker::formatHiddenCategories( $this->page->getHiddenCategories() ) ) );
2809
2810 $wgOut->addHTML( Html::rawElement( 'div', [ 'class' => 'limitreport' ],
2811 self::getPreviewLimitReport( $this->mParserOutput ) ) );
2812
2813 $wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
2814
2815 if ( $this->isConflict ) {
2816 try {
2817 $this->showConflict();
2818 } catch ( MWContentSerializationException $ex ) {
2819 // this can't really happen, but be nice if it does.
2820 $msg = $this->context->msg(
2821 'content-failed-to-parse',
2822 $this->contentModel,
2823 $this->contentFormat,
2824 $ex->getMessage()
2825 );
2826 $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>' );
2827 }
2828 }
2829
2830 // Set a hidden field so JS knows what edit form mode we are in
2831 if ( $this->isConflict ) {
2832 $mode = 'conflict';
2833 } elseif ( $this->preview ) {
2834 $mode = 'preview';
2835 } elseif ( $this->diff ) {
2836 $mode = 'diff';
2837 } else {
2838 $mode = 'text';
2839 }
2840 $wgOut->addHTML( Html::hidden( 'mode', $mode, [ 'id' => 'mw-edit-mode' ] ) );
2841
2842 // Marker for detecting truncated form data. This must be the last
2843 // parameter sent in order to be of use, so do not move me.
2844 $wgOut->addHTML( Html::hidden( 'wpUltimateParam', true ) );
2845 $wgOut->addHTML( $this->editFormTextBottom . "\n</form>\n" );
2846
2847 if ( !$wgUser->getOption( 'previewontop' ) ) {
2848 $this->displayPreviewArea( $previewOutput, false );
2849 }
2850 }
2851
2852 /**
2853 * Wrapper around TemplatesOnThisPageFormatter to make
2854 * a "templates on this page" list.
2855 *
2856 * @param Title[] $templates
2857 * @return string HTML
2858 */
2859 public function makeTemplatesOnThisPageList( array $templates ) {
2860 $templateListFormatter = new TemplatesOnThisPageFormatter(
2861 $this->context, MediaWikiServices::getInstance()->getLinkRenderer()
2862 );
2863
2864 // preview if preview, else section if section, else false
2865 $type = false;
2866 if ( $this->preview ) {
2867 $type = 'preview';
2868 } elseif ( $this->section != '' ) {
2869 $type = 'section';
2870 }
2871
2872 return Html::rawElement( 'div', [ 'class' => 'templatesUsed' ],
2873 $templateListFormatter->format( $templates, $type )
2874 );
2875 }
2876
2877 /**
2878 * Extract the section title from current section text, if any.
2879 *
2880 * @param string $text
2881 * @return string|bool String or false
2882 */
2883 public static function extractSectionTitle( $text ) {
2884 preg_match( "/^(=+)(.+)\\1\\s*(\n|$)/i", $text, $matches );
2885 if ( !empty( $matches[2] ) ) {
2886 global $wgParser;
2887 return $wgParser->stripSectionName( trim( $matches[2] ) );
2888 } else {
2889 return false;
2890 }
2891 }
2892
2893 protected function showHeader() {
2894 global $wgOut, $wgUser;
2895 global $wgAllowUserCss, $wgAllowUserJs;
2896
2897 if ( $this->isConflict ) {
2898 $this->addExplainConflictHeader( $wgOut );
2899 $this->editRevId = $this->page->getLatest();
2900 } else {
2901 if ( $this->section != '' && $this->section != 'new' ) {
2902 if ( !$this->summary && !$this->preview && !$this->diff ) {
2903 $sectionTitle = self::extractSectionTitle( $this->textbox1 ); // FIXME: use Content object
2904 if ( $sectionTitle !== false ) {
2905 $this->summary = "/* $sectionTitle */ ";
2906 }
2907 }
2908 }
2909
2910 $buttonLabel = $this->context->msg( $this->getSaveButtonLabel() )->text();
2911
2912 if ( $this->missingComment ) {
2913 $wgOut->wrapWikiMsg( "<div id='mw-missingcommenttext'>\n$1\n</div>", 'missingcommenttext' );
2914 }
2915
2916 if ( $this->missingSummary && $this->section != 'new' ) {
2917 $wgOut->wrapWikiMsg(
2918 "<div id='mw-missingsummary'>\n$1\n</div>",
2919 [ 'missingsummary', $buttonLabel ]
2920 );
2921 }
2922
2923 if ( $this->missingSummary && $this->section == 'new' ) {
2924 $wgOut->wrapWikiMsg(
2925 "<div id='mw-missingcommentheader'>\n$1\n</div>",
2926 [ 'missingcommentheader', $buttonLabel ]
2927 );
2928 }
2929
2930 if ( $this->blankArticle ) {
2931 $wgOut->wrapWikiMsg(
2932 "<div id='mw-blankarticle'>\n$1\n</div>",
2933 [ 'blankarticle', $buttonLabel ]
2934 );
2935 }
2936
2937 if ( $this->selfRedirect ) {
2938 $wgOut->wrapWikiMsg(
2939 "<div id='mw-selfredirect'>\n$1\n</div>",
2940 [ 'selfredirect', $buttonLabel ]
2941 );
2942 }
2943
2944 if ( $this->hookError !== '' ) {
2945 $wgOut->addWikiText( $this->hookError );
2946 }
2947
2948 if ( !$this->checkUnicodeCompliantBrowser() ) {
2949 $wgOut->addWikiMsg( 'nonunicodebrowser' );
2950 }
2951
2952 if ( $this->section != 'new' ) {
2953 $revision = $this->mArticle->getRevisionFetched();
2954 if ( $revision ) {