EditPage: Don't use $wgOut
[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 $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 $this->context->getOutput()->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;
705
706 $out = $this->context->getOutput();
707 if ( $wgRequest->getBool( 'redlink' ) ) {
708 // The edit page was reached via a red link.
709 // Redirect to the article page and let them click the edit tab if
710 // they really want a permission error.
711 $out->redirect( $this->mTitle->getFullURL() );
712 return;
713 }
714
715 $content = $this->getContentObject();
716
717 # Use the normal message if there's nothing to display
718 if ( $this->firsttime && ( !$content || $content->isEmpty() ) ) {
719 $action = $this->mTitle->exists() ? 'edit' :
720 ( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
721 throw new PermissionsError( $action, $permErrors );
722 }
723
724 $this->displayViewSourcePage(
725 $content,
726 $out->formatPermissionsErrorMessage( $permErrors, 'edit' )
727 );
728 }
729
730 /**
731 * Display a read-only View Source page
732 * @param Content $content content object
733 * @param string $errorMessage additional wikitext error message to display
734 */
735 protected function displayViewSourcePage( Content $content, $errorMessage = '' ) {
736 $out = $this->context->getOutput();
737 Hooks::run( 'EditPage::showReadOnlyForm:initial', [ $this, &$out ] );
738
739 $out->setRobotPolicy( 'noindex,nofollow' );
740 $out->setPageTitle( $this->context->msg(
741 'viewsource-title',
742 $this->getContextTitle()->getPrefixedText()
743 ) );
744 $out->addBacklinkSubtitle( $this->getContextTitle() );
745 $out->addHTML( $this->editFormPageTop );
746 $out->addHTML( $this->editFormTextTop );
747
748 if ( $errorMessage !== '' ) {
749 $out->addWikiText( $errorMessage );
750 $out->addHTML( "<hr />\n" );
751 }
752
753 # If the user made changes, preserve them when showing the markup
754 # (This happens when a user is blocked during edit, for instance)
755 if ( !$this->firsttime ) {
756 $text = $this->textbox1;
757 $out->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 $out->addWikiMsg( 'viewsourcetext' );
767 }
768
769 $out->addHTML( $this->editFormTextBeforeContent );
770 $this->showTextbox( $text, 'wpTextbox1', [ 'readonly' ] );
771 $out->addHTML( $this->editFormTextAfterContent );
772
773 $out->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
774
775 $out->addModules( 'mediawiki.action.edit.collapsibleFooter' );
776
777 $out->addHTML( $this->editFormTextBottom );
778 if ( $this->mTitle->exists() ) {
779 $out->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 $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 $out = $this->context->getOutput();
1235 // Messages: undo-success, undo-failure, undo-norev, undo-nochange
1236 $class = ( $undoMsg == 'success' ? '' : 'error ' ) . "mw-undo-{$undoMsg}";
1237 $this->editFormPageTop .= $out->parse( "<div class=\"{$class}\">" .
1238 $this->context->msg( 'undo-' . $undoMsg )->plain() . '</div>', true, /* interface */true );
1239 }
1240
1241 if ( $content === false ) {
1242 $content = $this->getOriginalContent( $wgUser );
1243 }
1244 }
1245 }
1246
1247 return $content;
1248 }
1249
1250 /**
1251 * Get the content of the wanted revision, without section extraction.
1252 *
1253 * The result of this function can be used to compare user's input with
1254 * section replaced in its context (using WikiPage::replaceSectionAtRev())
1255 * to the original text of the edit.
1256 *
1257 * This differs from Article::getContent() that when a missing revision is
1258 * encountered the result will be null and not the
1259 * 'missing-revision' message.
1260 *
1261 * @since 1.19
1262 * @param User $user The user to get the revision for
1263 * @return Content|null
1264 */
1265 private function getOriginalContent( User $user ) {
1266 if ( $this->section == 'new' ) {
1267 return $this->getCurrentContent();
1268 }
1269 $revision = $this->mArticle->getRevisionFetched();
1270 if ( $revision === null ) {
1271 $handler = ContentHandler::getForModelID( $this->contentModel );
1272 return $handler->makeEmptyContent();
1273 }
1274 $content = $revision->getContent( Revision::FOR_THIS_USER, $user );
1275 return $content;
1276 }
1277
1278 /**
1279 * Get the edit's parent revision ID
1280 *
1281 * The "parent" revision is the ancestor that should be recorded in this
1282 * page's revision history. It is either the revision ID of the in-memory
1283 * article content, or in the case of a 3-way merge in order to rebase
1284 * across a recoverable edit conflict, the ID of the newer revision to
1285 * which we have rebased this page.
1286 *
1287 * @since 1.27
1288 * @return int Revision ID
1289 */
1290 public function getParentRevId() {
1291 if ( $this->parentRevId ) {
1292 return $this->parentRevId;
1293 } else {
1294 return $this->mArticle->getRevIdFetched();
1295 }
1296 }
1297
1298 /**
1299 * Get the current content of the page. This is basically similar to
1300 * WikiPage::getContent( Revision::RAW ) except that when the page doesn't exist an empty
1301 * content object is returned instead of null.
1302 *
1303 * @since 1.21
1304 * @return Content
1305 */
1306 protected function getCurrentContent() {
1307 $rev = $this->page->getRevision();
1308 $content = $rev ? $rev->getContent( Revision::RAW ) : null;
1309
1310 if ( $content === false || $content === null ) {
1311 $handler = ContentHandler::getForModelID( $this->contentModel );
1312 return $handler->makeEmptyContent();
1313 } elseif ( !$this->undidRev ) {
1314 // Content models should always be the same since we error
1315 // out if they are different before this point (in ->edit()).
1316 // The exception being, during an undo, the current revision might
1317 // differ from the prior revision.
1318 $logger = LoggerFactory::getInstance( 'editpage' );
1319 if ( $this->contentModel !== $rev->getContentModel() ) {
1320 $logger->warning( "Overriding content model from current edit {prev} to {new}", [
1321 'prev' => $this->contentModel,
1322 'new' => $rev->getContentModel(),
1323 'title' => $this->getTitle()->getPrefixedDBkey(),
1324 'method' => __METHOD__
1325 ] );
1326 $this->contentModel = $rev->getContentModel();
1327 }
1328
1329 // Given that the content models should match, the current selected
1330 // format should be supported.
1331 if ( !$content->isSupportedFormat( $this->contentFormat ) ) {
1332 $logger->warning( "Current revision content format unsupported. Overriding {prev} to {new}", [
1333
1334 'prev' => $this->contentFormat,
1335 'new' => $rev->getContentFormat(),
1336 'title' => $this->getTitle()->getPrefixedDBkey(),
1337 'method' => __METHOD__
1338 ] );
1339 $this->contentFormat = $rev->getContentFormat();
1340 }
1341 }
1342 return $content;
1343 }
1344
1345 /**
1346 * Use this method before edit() to preload some content into the edit box
1347 *
1348 * @param Content $content
1349 *
1350 * @since 1.21
1351 */
1352 public function setPreloadedContent( Content $content ) {
1353 $this->mPreloadContent = $content;
1354 }
1355
1356 /**
1357 * Get the contents to be preloaded into the box, either set by
1358 * an earlier setPreloadText() or by loading the given page.
1359 *
1360 * @param string $preload Representing the title to preload from.
1361 * @param array $params Parameters to use (interface-message style) in the preloaded text
1362 *
1363 * @return Content
1364 *
1365 * @since 1.21
1366 */
1367 protected function getPreloadedContent( $preload, $params = [] ) {
1368 global $wgUser;
1369
1370 if ( !empty( $this->mPreloadContent ) ) {
1371 return $this->mPreloadContent;
1372 }
1373
1374 $handler = ContentHandler::getForModelID( $this->contentModel );
1375
1376 if ( $preload === '' ) {
1377 return $handler->makeEmptyContent();
1378 }
1379
1380 $title = Title::newFromText( $preload );
1381 # Check for existence to avoid getting MediaWiki:Noarticletext
1382 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1383 // TODO: somehow show a warning to the user!
1384 return $handler->makeEmptyContent();
1385 }
1386
1387 $page = WikiPage::factory( $title );
1388 if ( $page->isRedirect() ) {
1389 $title = $page->getRedirectTarget();
1390 # Same as before
1391 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1392 // TODO: somehow show a warning to the user!
1393 return $handler->makeEmptyContent();
1394 }
1395 $page = WikiPage::factory( $title );
1396 }
1397
1398 $parserOptions = ParserOptions::newFromUser( $wgUser );
1399 $content = $page->getContent( Revision::RAW );
1400
1401 if ( !$content ) {
1402 // TODO: somehow show a warning to the user!
1403 return $handler->makeEmptyContent();
1404 }
1405
1406 if ( $content->getModel() !== $handler->getModelID() ) {
1407 $converted = $content->convert( $handler->getModelID() );
1408
1409 if ( !$converted ) {
1410 // TODO: somehow show a warning to the user!
1411 wfDebug( "Attempt to preload incompatible content: " .
1412 "can't convert " . $content->getModel() .
1413 " to " . $handler->getModelID() );
1414
1415 return $handler->makeEmptyContent();
1416 }
1417
1418 $content = $converted;
1419 }
1420
1421 return $content->preloadTransform( $title, $parserOptions, $params );
1422 }
1423
1424 /**
1425 * Make sure the form isn't faking a user's credentials.
1426 *
1427 * @param WebRequest &$request
1428 * @return bool
1429 * @private
1430 */
1431 public function tokenOk( &$request ) {
1432 global $wgUser;
1433 $token = $request->getVal( 'wpEditToken' );
1434 $this->mTokenOk = $wgUser->matchEditToken( $token );
1435 $this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
1436 return $this->mTokenOk;
1437 }
1438
1439 /**
1440 * Sets post-edit cookie indicating the user just saved a particular revision.
1441 *
1442 * This uses a temporary cookie for each revision ID so separate saves will never
1443 * interfere with each other.
1444 *
1445 * Article::view deletes the cookie on server-side after the redirect and
1446 * converts the value to the global JavaScript variable wgPostEdit.
1447 *
1448 * If the variable were set on the server, it would be cached, which is unwanted
1449 * since the post-edit state should only apply to the load right after the save.
1450 *
1451 * @param int $statusValue The status value (to check for new article status)
1452 */
1453 protected function setPostEditCookie( $statusValue ) {
1454 $revisionId = $this->page->getLatest();
1455 $postEditKey = self::POST_EDIT_COOKIE_KEY_PREFIX . $revisionId;
1456
1457 $val = 'saved';
1458 if ( $statusValue == self::AS_SUCCESS_NEW_ARTICLE ) {
1459 $val = 'created';
1460 } elseif ( $this->oldid ) {
1461 $val = 'restored';
1462 }
1463
1464 $response = RequestContext::getMain()->getRequest()->response();
1465 $response->setCookie( $postEditKey, $val, time() + self::POST_EDIT_COOKIE_DURATION );
1466 }
1467
1468 /**
1469 * Attempt submission
1470 * @param array|bool &$resultDetails See docs for $result in internalAttemptSave
1471 * @throws UserBlockedError|ReadOnlyError|ThrottledError|PermissionsError
1472 * @return Status The resulting status object.
1473 */
1474 public function attemptSave( &$resultDetails = false ) {
1475 global $wgUser;
1476
1477 # Allow bots to exempt some edits from bot flagging
1478 $bot = $wgUser->isAllowed( 'bot' ) && $this->bot;
1479 $status = $this->internalAttemptSave( $resultDetails, $bot );
1480
1481 Hooks::run( 'EditPage::attemptSave:after', [ $this, $status, $resultDetails ] );
1482
1483 return $status;
1484 }
1485
1486 /**
1487 * Log when a page was successfully saved after the edit conflict view
1488 */
1489 private function incrementResolvedConflicts() {
1490 global $wgRequest;
1491
1492 if ( $wgRequest->getText( 'mode' ) !== 'conflict' ) {
1493 return;
1494 }
1495
1496 $stats = MediaWikiServices::getInstance()->getStatsdDataFactory();
1497 $stats->increment( 'edit.failures.conflict.resolved' );
1498 }
1499
1500 /**
1501 * Handle status, such as after attempt save
1502 *
1503 * @param Status $status
1504 * @param array|bool $resultDetails
1505 *
1506 * @throws ErrorPageError
1507 * @return bool False, if output is done, true if rest of the form should be displayed
1508 */
1509 private function handleStatus( Status $status, $resultDetails ) {
1510 global $wgUser;
1511
1512 /**
1513 * @todo FIXME: once the interface for internalAttemptSave() is made
1514 * nicer, this should use the message in $status
1515 */
1516 if ( $status->value == self::AS_SUCCESS_UPDATE
1517 || $status->value == self::AS_SUCCESS_NEW_ARTICLE
1518 ) {
1519 $this->incrementResolvedConflicts();
1520
1521 $this->didSave = true;
1522 if ( !$resultDetails['nullEdit'] ) {
1523 $this->setPostEditCookie( $status->value );
1524 }
1525 }
1526
1527 $out = $this->context->getOutput();
1528
1529 // "wpExtraQueryRedirect" is a hidden input to modify
1530 // after save URL and is not used by actual edit form
1531 $request = RequestContext::getMain()->getRequest();
1532 $extraQueryRedirect = $request->getVal( 'wpExtraQueryRedirect' );
1533
1534 switch ( $status->value ) {
1535 case self::AS_HOOK_ERROR_EXPECTED:
1536 case self::AS_CONTENT_TOO_BIG:
1537 case self::AS_ARTICLE_WAS_DELETED:
1538 case self::AS_CONFLICT_DETECTED:
1539 case self::AS_SUMMARY_NEEDED:
1540 case self::AS_TEXTBOX_EMPTY:
1541 case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
1542 case self::AS_END:
1543 case self::AS_BLANK_ARTICLE:
1544 case self::AS_SELF_REDIRECT:
1545 return true;
1546
1547 case self::AS_HOOK_ERROR:
1548 return false;
1549
1550 case self::AS_CANNOT_USE_CUSTOM_MODEL:
1551 case self::AS_PARSE_ERROR:
1552 $out->addWikiText( '<div class="error">' . "\n" . $status->getWikiText() . '</div>' );
1553 return true;
1554
1555 case self::AS_SUCCESS_NEW_ARTICLE:
1556 $query = $resultDetails['redirect'] ? 'redirect=no' : '';
1557 if ( $extraQueryRedirect ) {
1558 if ( $query === '' ) {
1559 $query = $extraQueryRedirect;
1560 } else {
1561 $query = $query . '&' . $extraQueryRedirect;
1562 }
1563 }
1564 $anchor = isset( $resultDetails['sectionanchor'] ) ? $resultDetails['sectionanchor'] : '';
1565 $out->redirect( $this->mTitle->getFullURL( $query ) . $anchor );
1566 return false;
1567
1568 case self::AS_SUCCESS_UPDATE:
1569 $extraQuery = '';
1570 $sectionanchor = $resultDetails['sectionanchor'];
1571
1572 // Give extensions a chance to modify URL query on update
1573 Hooks::run(
1574 'ArticleUpdateBeforeRedirect',
1575 [ $this->mArticle, &$sectionanchor, &$extraQuery ]
1576 );
1577
1578 if ( $resultDetails['redirect'] ) {
1579 if ( $extraQuery == '' ) {
1580 $extraQuery = 'redirect=no';
1581 } else {
1582 $extraQuery = 'redirect=no&' . $extraQuery;
1583 }
1584 }
1585 if ( $extraQueryRedirect ) {
1586 if ( $extraQuery === '' ) {
1587 $extraQuery = $extraQueryRedirect;
1588 } else {
1589 $extraQuery = $extraQuery . '&' . $extraQueryRedirect;
1590 }
1591 }
1592
1593 $out->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
1594 return false;
1595
1596 case self::AS_SPAM_ERROR:
1597 $this->spamPageWithContent( $resultDetails['spam'] );
1598 return false;
1599
1600 case self::AS_BLOCKED_PAGE_FOR_USER:
1601 throw new UserBlockedError( $wgUser->getBlock() );
1602
1603 case self::AS_IMAGE_REDIRECT_ANON:
1604 case self::AS_IMAGE_REDIRECT_LOGGED:
1605 throw new PermissionsError( 'upload' );
1606
1607 case self::AS_READ_ONLY_PAGE_ANON:
1608 case self::AS_READ_ONLY_PAGE_LOGGED:
1609 throw new PermissionsError( 'edit' );
1610
1611 case self::AS_READ_ONLY_PAGE:
1612 throw new ReadOnlyError;
1613
1614 case self::AS_RATE_LIMITED:
1615 throw new ThrottledError();
1616
1617 case self::AS_NO_CREATE_PERMISSION:
1618 $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
1619 throw new PermissionsError( $permission );
1620
1621 case self::AS_NO_CHANGE_CONTENT_MODEL:
1622 throw new PermissionsError( 'editcontentmodel' );
1623
1624 default:
1625 // We don't recognize $status->value. The only way that can happen
1626 // is if an extension hook aborted from inside ArticleSave.
1627 // Render the status object into $this->hookError
1628 // FIXME this sucks, we should just use the Status object throughout
1629 $this->hookError = '<div class="error">' ."\n" . $status->getWikiText() .
1630 '</div>';
1631 return true;
1632 }
1633 }
1634
1635 /**
1636 * Run hooks that can filter edits just before they get saved.
1637 *
1638 * @param Content $content The Content to filter.
1639 * @param Status $status For reporting the outcome to the caller
1640 * @param User $user The user performing the edit
1641 *
1642 * @return bool
1643 */
1644 protected function runPostMergeFilters( Content $content, Status $status, User $user ) {
1645 // Run old style post-section-merge edit filter
1646 if ( $this->hookError != '' ) {
1647 # ...or the hook could be expecting us to produce an error
1648 $status->fatal( 'hookaborted' );
1649 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1650 return false;
1651 }
1652
1653 // Run new style post-section-merge edit filter
1654 if ( !Hooks::run( 'EditFilterMergedContent',
1655 [ $this->mArticle->getContext(), $content, $status, $this->summary,
1656 $user, $this->minoredit ] )
1657 ) {
1658 # Error messages etc. could be handled within the hook...
1659 if ( $status->isGood() ) {
1660 $status->fatal( 'hookaborted' );
1661 // Not setting $this->hookError here is a hack to allow the hook
1662 // to cause a return to the edit page without $this->hookError
1663 // being set. This is used by ConfirmEdit to display a captcha
1664 // without any error message cruft.
1665 } else {
1666 $this->hookError = $status->getWikiText();
1667 }
1668 // Use the existing $status->value if the hook set it
1669 if ( !$status->value ) {
1670 $status->value = self::AS_HOOK_ERROR;
1671 }
1672 return false;
1673 } elseif ( !$status->isOK() ) {
1674 # ...or the hook could be expecting us to produce an error
1675 // FIXME this sucks, we should just use the Status object throughout
1676 $this->hookError = $status->getWikiText();
1677 $status->fatal( 'hookaborted' );
1678 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1679 return false;
1680 }
1681
1682 return true;
1683 }
1684
1685 /**
1686 * Return the summary to be used for a new section.
1687 *
1688 * @param string $sectionanchor Set to the section anchor text
1689 * @return string
1690 */
1691 private function newSectionSummary( &$sectionanchor = null ) {
1692 global $wgParser;
1693
1694 if ( $this->sectiontitle !== '' ) {
1695 $sectionanchor = $this->guessSectionName( $this->sectiontitle );
1696 // If no edit summary was specified, create one automatically from the section
1697 // title and have it link to the new section. Otherwise, respect the summary as
1698 // passed.
1699 if ( $this->summary === '' ) {
1700 $cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
1701 return $this->context->msg( 'newsectionsummary' )
1702 ->rawParams( $cleanSectionTitle )->inContentLanguage()->text();
1703 }
1704 } elseif ( $this->summary !== '' ) {
1705 $sectionanchor = $this->guessSectionName( $this->summary );
1706 # This is a new section, so create a link to the new section
1707 # in the revision summary.
1708 $cleanSummary = $wgParser->stripSectionName( $this->summary );
1709 return $this->context->msg( 'newsectionsummary' )
1710 ->rawParams( $cleanSummary )->inContentLanguage()->text();
1711 }
1712 return $this->summary;
1713 }
1714
1715 /**
1716 * Attempt submission (no UI)
1717 *
1718 * @param array &$result Array to add statuses to, currently with the
1719 * possible keys:
1720 * - spam (string): Spam string from content if any spam is detected by
1721 * matchSpamRegex.
1722 * - sectionanchor (string): Section anchor for a section save.
1723 * - nullEdit (bool): Set if doEditContent is OK. True if null edit,
1724 * false otherwise.
1725 * - redirect (bool): Set if doEditContent is OK. True if resulting
1726 * revision is a redirect.
1727 * @param bool $bot True if edit is being made under the bot right.
1728 *
1729 * @return Status Status object, possibly with a message, but always with
1730 * one of the AS_* constants in $status->value,
1731 *
1732 * @todo FIXME: This interface is TERRIBLE, but hard to get rid of due to
1733 * various error display idiosyncrasies. There are also lots of cases
1734 * where error metadata is set in the object and retrieved later instead
1735 * of being returned, e.g. AS_CONTENT_TOO_BIG and
1736 * AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some
1737 * time.
1738 */
1739 public function internalAttemptSave( &$result, $bot = false ) {
1740 global $wgUser, $wgRequest, $wgMaxArticleSize;
1741 global $wgContentHandlerUseDB;
1742
1743 $status = Status::newGood();
1744
1745 if ( !Hooks::run( 'EditPage::attemptSave', [ $this ] ) ) {
1746 wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
1747 $status->fatal( 'hookaborted' );
1748 $status->value = self::AS_HOOK_ERROR;
1749 return $status;
1750 }
1751
1752 $spam = $wgRequest->getText( 'wpAntispam' );
1753 if ( $spam !== '' ) {
1754 wfDebugLog(
1755 'SimpleAntiSpam',
1756 $wgUser->getName() .
1757 ' editing "' .
1758 $this->mTitle->getPrefixedText() .
1759 '" submitted bogus field "' .
1760 $spam .
1761 '"'
1762 );
1763 $status->fatal( 'spamprotectionmatch', false );
1764 $status->value = self::AS_SPAM_ERROR;
1765 return $status;
1766 }
1767
1768 try {
1769 # Construct Content object
1770 $textbox_content = $this->toEditContent( $this->textbox1 );
1771 } catch ( MWContentSerializationException $ex ) {
1772 $status->fatal(
1773 'content-failed-to-parse',
1774 $this->contentModel,
1775 $this->contentFormat,
1776 $ex->getMessage()
1777 );
1778 $status->value = self::AS_PARSE_ERROR;
1779 return $status;
1780 }
1781
1782 # Check image redirect
1783 if ( $this->mTitle->getNamespace() == NS_FILE &&
1784 $textbox_content->isRedirect() &&
1785 !$wgUser->isAllowed( 'upload' )
1786 ) {
1787 $code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
1788 $status->setResult( false, $code );
1789
1790 return $status;
1791 }
1792
1793 # Check for spam
1794 $match = self::matchSummarySpamRegex( $this->summary );
1795 if ( $match === false && $this->section == 'new' ) {
1796 # $wgSpamRegex is enforced on this new heading/summary because, unlike
1797 # regular summaries, it is added to the actual wikitext.
1798 if ( $this->sectiontitle !== '' ) {
1799 # This branch is taken when the API is used with the 'sectiontitle' parameter.
1800 $match = self::matchSpamRegex( $this->sectiontitle );
1801 } else {
1802 # This branch is taken when the "Add Topic" user interface is used, or the API
1803 # is used with the 'summary' parameter.
1804 $match = self::matchSpamRegex( $this->summary );
1805 }
1806 }
1807 if ( $match === false ) {
1808 $match = self::matchSpamRegex( $this->textbox1 );
1809 }
1810 if ( $match !== false ) {
1811 $result['spam'] = $match;
1812 $ip = $wgRequest->getIP();
1813 $pdbk = $this->mTitle->getPrefixedDBkey();
1814 $match = str_replace( "\n", '', $match );
1815 wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
1816 $status->fatal( 'spamprotectionmatch', $match );
1817 $status->value = self::AS_SPAM_ERROR;
1818 return $status;
1819 }
1820 if ( !Hooks::run(
1821 'EditFilter',
1822 [ $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ] )
1823 ) {
1824 # Error messages etc. could be handled within the hook...
1825 $status->fatal( 'hookaborted' );
1826 $status->value = self::AS_HOOK_ERROR;
1827 return $status;
1828 } elseif ( $this->hookError != '' ) {
1829 # ...or the hook could be expecting us to produce an error
1830 $status->fatal( 'hookaborted' );
1831 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1832 return $status;
1833 }
1834
1835 if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
1836 // Auto-block user's IP if the account was "hard" blocked
1837 if ( !wfReadOnly() ) {
1838 $wgUser->spreadAnyEditBlock();
1839 }
1840 # Check block state against master, thus 'false'.
1841 $status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
1842 return $status;
1843 }
1844
1845 $this->contentLength = strlen( $this->textbox1 );
1846 if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
1847 // Error will be displayed by showEditForm()
1848 $this->tooBig = true;
1849 $status->setResult( false, self::AS_CONTENT_TOO_BIG );
1850 return $status;
1851 }
1852
1853 if ( !$wgUser->isAllowed( 'edit' ) ) {
1854 if ( $wgUser->isAnon() ) {
1855 $status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
1856 return $status;
1857 } else {
1858 $status->fatal( 'readonlytext' );
1859 $status->value = self::AS_READ_ONLY_PAGE_LOGGED;
1860 return $status;
1861 }
1862 }
1863
1864 $changingContentModel = false;
1865 if ( $this->contentModel !== $this->mTitle->getContentModel() ) {
1866 if ( !$wgContentHandlerUseDB ) {
1867 $status->fatal( 'editpage-cannot-use-custom-model' );
1868 $status->value = self::AS_CANNOT_USE_CUSTOM_MODEL;
1869 return $status;
1870 } elseif ( !$wgUser->isAllowed( 'editcontentmodel' ) ) {
1871 $status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
1872 return $status;
1873 }
1874 // Make sure the user can edit the page under the new content model too
1875 $titleWithNewContentModel = clone $this->mTitle;
1876 $titleWithNewContentModel->setContentModel( $this->contentModel );
1877 if ( !$titleWithNewContentModel->userCan( 'editcontentmodel', $wgUser )
1878 || !$titleWithNewContentModel->userCan( 'edit', $wgUser )
1879 ) {
1880 $status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
1881 return $status;
1882 }
1883
1884 $changingContentModel = true;
1885 $oldContentModel = $this->mTitle->getContentModel();
1886 }
1887
1888 if ( $this->changeTags ) {
1889 $changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
1890 $this->changeTags, $wgUser );
1891 if ( !$changeTagsStatus->isOK() ) {
1892 $changeTagsStatus->value = self::AS_CHANGE_TAG_ERROR;
1893 return $changeTagsStatus;
1894 }
1895 }
1896
1897 if ( wfReadOnly() ) {
1898 $status->fatal( 'readonlytext' );
1899 $status->value = self::AS_READ_ONLY_PAGE;
1900 return $status;
1901 }
1902 if ( $wgUser->pingLimiter() || $wgUser->pingLimiter( 'linkpurge', 0 )
1903 || ( $changingContentModel && $wgUser->pingLimiter( 'editcontentmodel' ) )
1904 ) {
1905 $status->fatal( 'actionthrottledtext' );
1906 $status->value = self::AS_RATE_LIMITED;
1907 return $status;
1908 }
1909
1910 # If the article has been deleted while editing, don't save it without
1911 # confirmation
1912 if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
1913 $status->setResult( false, self::AS_ARTICLE_WAS_DELETED );
1914 return $status;
1915 }
1916
1917 # Load the page data from the master. If anything changes in the meantime,
1918 # we detect it by using page_latest like a token in a 1 try compare-and-swap.
1919 $this->page->loadPageData( 'fromdbmaster' );
1920 $new = !$this->page->exists();
1921
1922 if ( $new ) {
1923 // Late check for create permission, just in case *PARANOIA*
1924 if ( !$this->mTitle->userCan( 'create', $wgUser ) ) {
1925 $status->fatal( 'nocreatetext' );
1926 $status->value = self::AS_NO_CREATE_PERMISSION;
1927 wfDebug( __METHOD__ . ": no create permission\n" );
1928 return $status;
1929 }
1930
1931 // Don't save a new page if it's blank or if it's a MediaWiki:
1932 // message with content equivalent to default (allow empty pages
1933 // in this case to disable messages, see T52124)
1934 $defaultMessageText = $this->mTitle->getDefaultMessageText();
1935 if ( $this->mTitle->getNamespace() === NS_MEDIAWIKI && $defaultMessageText !== false ) {
1936 $defaultText = $defaultMessageText;
1937 } else {
1938 $defaultText = '';
1939 }
1940
1941 if ( !$this->allowBlankArticle && $this->textbox1 === $defaultText ) {
1942 $this->blankArticle = true;
1943 $status->fatal( 'blankarticle' );
1944 $status->setResult( false, self::AS_BLANK_ARTICLE );
1945 return $status;
1946 }
1947
1948 if ( !$this->runPostMergeFilters( $textbox_content, $status, $wgUser ) ) {
1949 return $status;
1950 }
1951
1952 $content = $textbox_content;
1953
1954 $result['sectionanchor'] = '';
1955 if ( $this->section == 'new' ) {
1956 if ( $this->sectiontitle !== '' ) {
1957 // Insert the section title above the content.
1958 $content = $content->addSectionHeader( $this->sectiontitle );
1959 } elseif ( $this->summary !== '' ) {
1960 // Insert the section title above the content.
1961 $content = $content->addSectionHeader( $this->summary );
1962 }
1963 $this->summary = $this->newSectionSummary( $result['sectionanchor'] );
1964 }
1965
1966 $status->value = self::AS_SUCCESS_NEW_ARTICLE;
1967
1968 } else { # not $new
1969
1970 # Article exists. Check for edit conflict.
1971
1972 $this->page->clear(); # Force reload of dates, etc.
1973 $timestamp = $this->page->getTimestamp();
1974 $latest = $this->page->getLatest();
1975
1976 wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
1977
1978 // Check editRevId if set, which handles same-second timestamp collisions
1979 if ( $timestamp != $this->edittime
1980 || ( $this->editRevId !== null && $this->editRevId != $latest )
1981 ) {
1982 $this->isConflict = true;
1983 if ( $this->section == 'new' ) {
1984 if ( $this->page->getUserText() == $wgUser->getName() &&
1985 $this->page->getComment() == $this->newSectionSummary()
1986 ) {
1987 // Probably a duplicate submission of a new comment.
1988 // This can happen when CDN resends a request after
1989 // a timeout but the first one actually went through.
1990 wfDebug( __METHOD__
1991 . ": duplicate new section submission; trigger edit conflict!\n" );
1992 } else {
1993 // New comment; suppress conflict.
1994 $this->isConflict = false;
1995 wfDebug( __METHOD__ . ": conflict suppressed; new section\n" );
1996 }
1997 } elseif ( $this->section == ''
1998 && Revision::userWasLastToEdit(
1999 DB_MASTER, $this->mTitle->getArticleID(),
2000 $wgUser->getId(), $this->edittime
2001 )
2002 ) {
2003 # Suppress edit conflict with self, except for section edits where merging is required.
2004 wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
2005 $this->isConflict = false;
2006 }
2007 }
2008
2009 // If sectiontitle is set, use it, otherwise use the summary as the section title.
2010 if ( $this->sectiontitle !== '' ) {
2011 $sectionTitle = $this->sectiontitle;
2012 } else {
2013 $sectionTitle = $this->summary;
2014 }
2015
2016 $content = null;
2017
2018 if ( $this->isConflict ) {
2019 wfDebug( __METHOD__
2020 . ": conflict! getting section '{$this->section}' for time '{$this->edittime}'"
2021 . " (id '{$this->editRevId}') (article time '{$timestamp}')\n" );
2022 // @TODO: replaceSectionAtRev() with base ID (not prior current) for ?oldid=X case
2023 // ...or disable section editing for non-current revisions (not exposed anyway).
2024 if ( $this->editRevId !== null ) {
2025 $content = $this->page->replaceSectionAtRev(
2026 $this->section,
2027 $textbox_content,
2028 $sectionTitle,
2029 $this->editRevId
2030 );
2031 } else {
2032 $content = $this->page->replaceSectionContent(
2033 $this->section,
2034 $textbox_content,
2035 $sectionTitle,
2036 $this->edittime
2037 );
2038 }
2039 } else {
2040 wfDebug( __METHOD__ . ": getting section '{$this->section}'\n" );
2041 $content = $this->page->replaceSectionContent(
2042 $this->section,
2043 $textbox_content,
2044 $sectionTitle
2045 );
2046 }
2047
2048 if ( is_null( $content ) ) {
2049 wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
2050 $this->isConflict = true;
2051 $content = $textbox_content; // do not try to merge here!
2052 } elseif ( $this->isConflict ) {
2053 # Attempt merge
2054 if ( $this->mergeChangesIntoContent( $content ) ) {
2055 // Successful merge! Maybe we should tell the user the good news?
2056 $this->isConflict = false;
2057 wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
2058 } else {
2059 $this->section = '';
2060 $this->textbox1 = ContentHandler::getContentText( $content );
2061 wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
2062 }
2063 }
2064
2065 if ( $this->isConflict ) {
2066 $status->setResult( false, self::AS_CONFLICT_DETECTED );
2067 return $status;
2068 }
2069
2070 if ( !$this->runPostMergeFilters( $content, $status, $wgUser ) ) {
2071 return $status;
2072 }
2073
2074 if ( $this->section == 'new' ) {
2075 // Handle the user preference to force summaries here
2076 if ( !$this->allowBlankSummary && trim( $this->summary ) == '' ) {
2077 $this->missingSummary = true;
2078 $status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
2079 $status->value = self::AS_SUMMARY_NEEDED;
2080 return $status;
2081 }
2082
2083 // Do not allow the user to post an empty comment
2084 if ( $this->textbox1 == '' ) {
2085 $this->missingComment = true;
2086 $status->fatal( 'missingcommenttext' );
2087 $status->value = self::AS_TEXTBOX_EMPTY;
2088 return $status;
2089 }
2090 } elseif ( !$this->allowBlankSummary
2091 && !$content->equals( $this->getOriginalContent( $wgUser ) )
2092 && !$content->isRedirect()
2093 && md5( $this->summary ) == $this->autoSumm
2094 ) {
2095 $this->missingSummary = true;
2096 $status->fatal( 'missingsummary' );
2097 $status->value = self::AS_SUMMARY_NEEDED;
2098 return $status;
2099 }
2100
2101 # All's well
2102 $sectionanchor = '';
2103 if ( $this->section == 'new' ) {
2104 $this->summary = $this->newSectionSummary( $sectionanchor );
2105 } elseif ( $this->section != '' ) {
2106 # Try to get a section anchor from the section source, redirect
2107 # to edited section if header found.
2108 # XXX: Might be better to integrate this into Article::replaceSectionAtRev
2109 # for duplicate heading checking and maybe parsing.
2110 $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
2111 # We can't deal with anchors, includes, html etc in the header for now,
2112 # headline would need to be parsed to improve this.
2113 if ( $hasmatch && strlen( $matches[2] ) > 0 ) {
2114 $sectionanchor = $this->guessSectionName( $matches[2] );
2115 }
2116 }
2117 $result['sectionanchor'] = $sectionanchor;
2118
2119 // Save errors may fall down to the edit form, but we've now
2120 // merged the section into full text. Clear the section field
2121 // so that later submission of conflict forms won't try to
2122 // replace that into a duplicated mess.
2123 $this->textbox1 = $this->toEditText( $content );
2124 $this->section = '';
2125
2126 $status->value = self::AS_SUCCESS_UPDATE;
2127 }
2128
2129 if ( !$this->allowSelfRedirect
2130 && $content->isRedirect()
2131 && $content->getRedirectTarget()->equals( $this->getTitle() )
2132 ) {
2133 // If the page already redirects to itself, don't warn.
2134 $currentTarget = $this->getCurrentContent()->getRedirectTarget();
2135 if ( !$currentTarget || !$currentTarget->equals( $this->getTitle() ) ) {
2136 $this->selfRedirect = true;
2137 $status->fatal( 'selfredirect' );
2138 $status->value = self::AS_SELF_REDIRECT;
2139 return $status;
2140 }
2141 }
2142
2143 // Check for length errors again now that the section is merged in
2144 $this->contentLength = strlen( $this->toEditText( $content ) );
2145 if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
2146 $this->tooBig = true;
2147 $status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
2148 return $status;
2149 }
2150
2151 $flags = EDIT_AUTOSUMMARY |
2152 ( $new ? EDIT_NEW : EDIT_UPDATE ) |
2153 ( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
2154 ( $bot ? EDIT_FORCE_BOT : 0 );
2155
2156 $doEditStatus = $this->page->doEditContent(
2157 $content,
2158 $this->summary,
2159 $flags,
2160 false,
2161 $wgUser,
2162 $content->getDefaultFormat(),
2163 $this->changeTags,
2164 $this->undidRev
2165 );
2166
2167 if ( !$doEditStatus->isOK() ) {
2168 // Failure from doEdit()
2169 // Show the edit conflict page for certain recognized errors from doEdit(),
2170 // but don't show it for errors from extension hooks
2171 $errors = $doEditStatus->getErrorsArray();
2172 if ( in_array( $errors[0][0],
2173 [ 'edit-gone-missing', 'edit-conflict', 'edit-already-exists' ] )
2174 ) {
2175 $this->isConflict = true;
2176 // Destroys data doEdit() put in $status->value but who cares
2177 $doEditStatus->value = self::AS_END;
2178 }
2179 return $doEditStatus;
2180 }
2181
2182 $result['nullEdit'] = $doEditStatus->hasMessage( 'edit-no-change' );
2183 if ( $result['nullEdit'] ) {
2184 // We don't know if it was a null edit until now, so increment here
2185 $wgUser->pingLimiter( 'linkpurge' );
2186 }
2187 $result['redirect'] = $content->isRedirect();
2188
2189 $this->updateWatchlist();
2190
2191 // If the content model changed, add a log entry
2192 if ( $changingContentModel ) {
2193 $this->addContentModelChangeLogEntry(
2194 $wgUser,
2195 $new ? false : $oldContentModel,
2196 $this->contentModel,
2197 $this->summary
2198 );
2199 }
2200
2201 return $status;
2202 }
2203
2204 /**
2205 * @param User $user
2206 * @param string|false $oldModel false if the page is being newly created
2207 * @param string $newModel
2208 * @param string $reason
2209 */
2210 protected function addContentModelChangeLogEntry( User $user, $oldModel, $newModel, $reason ) {
2211 $new = $oldModel === false;
2212 $log = new ManualLogEntry( 'contentmodel', $new ? 'new' : 'change' );
2213 $log->setPerformer( $user );
2214 $log->setTarget( $this->mTitle );
2215 $log->setComment( $reason );
2216 $log->setParameters( [
2217 '4::oldmodel' => $oldModel,
2218 '5::newmodel' => $newModel
2219 ] );
2220 $logid = $log->insert();
2221 $log->publish( $logid );
2222 }
2223
2224 /**
2225 * Register the change of watch status
2226 */
2227 protected function updateWatchlist() {
2228 global $wgUser;
2229
2230 if ( !$wgUser->isLoggedIn() ) {
2231 return;
2232 }
2233
2234 $user = $wgUser;
2235 $title = $this->mTitle;
2236 $watch = $this->watchthis;
2237 // Do this in its own transaction to reduce contention...
2238 DeferredUpdates::addCallableUpdate( function () use ( $user, $title, $watch ) {
2239 if ( $watch == $user->isWatched( $title, User::IGNORE_USER_RIGHTS ) ) {
2240 return; // nothing to change
2241 }
2242 WatchAction::doWatchOrUnwatch( $watch, $title, $user );
2243 } );
2244 }
2245
2246 /**
2247 * Attempts to do 3-way merge of edit content with a base revision
2248 * and current content, in case of edit conflict, in whichever way appropriate
2249 * for the content type.
2250 *
2251 * @since 1.21
2252 *
2253 * @param Content $editContent
2254 *
2255 * @return bool
2256 */
2257 private function mergeChangesIntoContent( &$editContent ) {
2258 $db = wfGetDB( DB_MASTER );
2259
2260 // This is the revision the editor started from
2261 $baseRevision = $this->getBaseRevision();
2262 $baseContent = $baseRevision ? $baseRevision->getContent() : null;
2263
2264 if ( is_null( $baseContent ) ) {
2265 return false;
2266 }
2267
2268 // The current state, we want to merge updates into it
2269 $currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
2270 $currentContent = $currentRevision ? $currentRevision->getContent() : null;
2271
2272 if ( is_null( $currentContent ) ) {
2273 return false;
2274 }
2275
2276 $handler = ContentHandler::getForModelID( $baseContent->getModel() );
2277
2278 $result = $handler->merge3( $baseContent, $editContent, $currentContent );
2279
2280 if ( $result ) {
2281 $editContent = $result;
2282 // Update parentRevId to what we just merged.
2283 $this->parentRevId = $currentRevision->getId();
2284 return true;
2285 }
2286
2287 return false;
2288 }
2289
2290 /**
2291 * @note: this method is very poorly named. If the user opened the form with ?oldid=X,
2292 * one might think of X as the "base revision", which is NOT what this returns.
2293 * @return Revision Current version when the edit was started
2294 */
2295 public function getBaseRevision() {
2296 if ( !$this->mBaseRevision ) {
2297 $db = wfGetDB( DB_MASTER );
2298 $this->mBaseRevision = $this->editRevId
2299 ? Revision::newFromId( $this->editRevId, Revision::READ_LATEST )
2300 : Revision::loadFromTimestamp( $db, $this->mTitle, $this->edittime );
2301 }
2302 return $this->mBaseRevision;
2303 }
2304
2305 /**
2306 * Check given input text against $wgSpamRegex, and return the text of the first match.
2307 *
2308 * @param string $text
2309 *
2310 * @return string|bool Matching string or false
2311 */
2312 public static function matchSpamRegex( $text ) {
2313 global $wgSpamRegex;
2314 // For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
2315 $regexes = (array)$wgSpamRegex;
2316 return self::matchSpamRegexInternal( $text, $regexes );
2317 }
2318
2319 /**
2320 * Check given input text against $wgSummarySpamRegex, and return the text of the first match.
2321 *
2322 * @param string $text
2323 *
2324 * @return string|bool Matching string or false
2325 */
2326 public static function matchSummarySpamRegex( $text ) {
2327 global $wgSummarySpamRegex;
2328 $regexes = (array)$wgSummarySpamRegex;
2329 return self::matchSpamRegexInternal( $text, $regexes );
2330 }
2331
2332 /**
2333 * @param string $text
2334 * @param array $regexes
2335 * @return bool|string
2336 */
2337 protected static function matchSpamRegexInternal( $text, $regexes ) {
2338 foreach ( $regexes as $regex ) {
2339 $matches = [];
2340 if ( preg_match( $regex, $text, $matches ) ) {
2341 return $matches[0];
2342 }
2343 }
2344 return false;
2345 }
2346
2347 public function setHeaders() {
2348 global $wgUser, $wgAjaxEditStash;
2349
2350 $out = $this->context->getOutput();
2351
2352 $out->addModules( 'mediawiki.action.edit' );
2353 $out->addModuleStyles( 'mediawiki.action.edit.styles' );
2354
2355 if ( $wgUser->getOption( 'showtoolbar' ) ) {
2356 // The addition of default buttons is handled by getEditToolbar() which
2357 // has its own dependency on this module. The call here ensures the module
2358 // is loaded in time (it has position "top") for other modules to register
2359 // buttons (e.g. extensions, gadgets, user scripts).
2360 $out->addModules( 'mediawiki.toolbar' );
2361 }
2362
2363 if ( $wgUser->getOption( 'uselivepreview' ) ) {
2364 $out->addModules( 'mediawiki.action.edit.preview' );
2365 }
2366
2367 if ( $wgUser->getOption( 'useeditwarning' ) ) {
2368 $out->addModules( 'mediawiki.action.edit.editWarning' );
2369 }
2370
2371 # Enabled article-related sidebar, toplinks, etc.
2372 $out->setArticleRelated( true );
2373
2374 $contextTitle = $this->getContextTitle();
2375 if ( $this->isConflict ) {
2376 $msg = 'editconflict';
2377 } elseif ( $contextTitle->exists() && $this->section != '' ) {
2378 $msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
2379 } else {
2380 $msg = $contextTitle->exists()
2381 || ( $contextTitle->getNamespace() == NS_MEDIAWIKI
2382 && $contextTitle->getDefaultMessageText() !== false
2383 )
2384 ? 'editing'
2385 : 'creating';
2386 }
2387
2388 # Use the title defined by DISPLAYTITLE magic word when present
2389 # NOTE: getDisplayTitle() returns HTML while getPrefixedText() returns plain text.
2390 # setPageTitle() treats the input as wikitext, which should be safe in either case.
2391 $displayTitle = isset( $this->mParserOutput ) ? $this->mParserOutput->getDisplayTitle() : false;
2392 if ( $displayTitle === false ) {
2393 $displayTitle = $contextTitle->getPrefixedText();
2394 }
2395 $out->setPageTitle( $this->context->msg( $msg, $displayTitle ) );
2396 # Transmit the name of the message to JavaScript for live preview
2397 # Keep Resources.php/mediawiki.action.edit.preview in sync with the possible keys
2398 $out->addJsConfigVars( [
2399 'wgEditMessage' => $msg,
2400 'wgAjaxEditStash' => $wgAjaxEditStash,
2401 ] );
2402 }
2403
2404 /**
2405 * Show all applicable editing introductions
2406 */
2407 protected function showIntro() {
2408 global $wgUser;
2409 if ( $this->suppressIntro ) {
2410 return;
2411 }
2412
2413 $out = $this->context->getOutput();
2414 $namespace = $this->mTitle->getNamespace();
2415
2416 if ( $namespace == NS_MEDIAWIKI ) {
2417 # Show a warning if editing an interface message
2418 $out->wrapWikiMsg( "<div class='mw-editinginterface'>\n$1\n</div>", 'editinginterface' );
2419 # If this is a default message (but not css or js),
2420 # show a hint that it is translatable on translatewiki.net
2421 if ( !$this->mTitle->hasContentModel( CONTENT_MODEL_CSS )
2422 && !$this->mTitle->hasContentModel( CONTENT_MODEL_JAVASCRIPT )
2423 ) {
2424 $defaultMessageText = $this->mTitle->getDefaultMessageText();
2425 if ( $defaultMessageText !== false ) {
2426 $out->wrapWikiMsg( "<div class='mw-translateinterface'>\n$1\n</div>",
2427 'translateinterface' );
2428 }
2429 }
2430 } elseif ( $namespace == NS_FILE ) {
2431 # Show a hint to shared repo
2432 $file = wfFindFile( $this->mTitle );
2433 if ( $file && !$file->isLocal() ) {
2434 $descUrl = $file->getDescriptionUrl();
2435 # there must be a description url to show a hint to shared repo
2436 if ( $descUrl ) {
2437 if ( !$this->mTitle->exists() ) {
2438 $out->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-create\">\n$1\n</div>", [
2439 'sharedupload-desc-create', $file->getRepo()->getDisplayName(), $descUrl
2440 ] );
2441 } else {
2442 $out->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-edit\">\n$1\n</div>", [
2443 'sharedupload-desc-edit', $file->getRepo()->getDisplayName(), $descUrl
2444 ] );
2445 }
2446 }
2447 }
2448 }
2449
2450 # Show a warning message when someone creates/edits a user (talk) page but the user does not exist
2451 # Show log extract when the user is currently blocked
2452 if ( $namespace == NS_USER || $namespace == NS_USER_TALK ) {
2453 $username = explode( '/', $this->mTitle->getText(), 2 )[0];
2454 $user = User::newFromName( $username, false /* allow IP users */ );
2455 $ip = User::isIP( $username );
2456 $block = Block::newFromTarget( $user, $user );
2457 if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
2458 $out->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n$1\n</div>",
2459 [ 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ] );
2460 } elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
2461 # Show log extract if the user is currently blocked
2462 LogEventsList::showLogExtract(
2463 $out,
2464 'block',
2465 MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
2466 '',
2467 [
2468 'lim' => 1,
2469 'showIfEmpty' => false,
2470 'msgKey' => [
2471 'blocked-notice-logextract',
2472 $user->getName() # Support GENDER in notice
2473 ]
2474 ]
2475 );
2476 }
2477 }
2478 # Try to add a custom edit intro, or use the standard one if this is not possible.
2479 if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
2480 $helpLink = wfExpandUrl( Skin::makeInternalOrExternalUrl(
2481 $this->context->msg( 'helppage' )->inContentLanguage()->text()
2482 ) );
2483 if ( $wgUser->isLoggedIn() ) {
2484 $out->wrapWikiMsg(
2485 // Suppress the external link icon, consider the help url an internal one
2486 "<div class=\"mw-newarticletext plainlinks\">\n$1\n</div>",
2487 [
2488 'newarticletext',
2489 $helpLink
2490 ]
2491 );
2492 } else {
2493 $out->wrapWikiMsg(
2494 // Suppress the external link icon, consider the help url an internal one
2495 "<div class=\"mw-newarticletextanon plainlinks\">\n$1\n</div>",
2496 [
2497 'newarticletextanon',
2498 $helpLink
2499 ]
2500 );
2501 }
2502 }
2503 # Give a notice if the user is editing a deleted/moved page...
2504 if ( !$this->mTitle->exists() ) {
2505 $dbr = wfGetDB( DB_REPLICA );
2506
2507 LogEventsList::showLogExtract( $out, [ 'delete', 'move' ], $this->mTitle,
2508 '',
2509 [
2510 'lim' => 10,
2511 'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
2512 'showIfEmpty' => false,
2513 'msgKey' => [ 'recreate-moveddeleted-warn' ]
2514 ]
2515 );
2516 }
2517 }
2518
2519 /**
2520 * Attempt to show a custom editing introduction, if supplied
2521 *
2522 * @return bool
2523 */
2524 protected function showCustomIntro() {
2525 if ( $this->editintro ) {
2526 $title = Title::newFromText( $this->editintro );
2527 if ( $title instanceof Title && $title->exists() && $title->userCan( 'read' ) ) {
2528 // Added using template syntax, to take <noinclude>'s into account.
2529 $this->context->getOutput()->addWikiTextTitleTidy(
2530 '<div class="mw-editintro">{{:' . $title->getFullText() . '}}</div>',
2531 $this->mTitle
2532 );
2533 return true;
2534 }
2535 }
2536 return false;
2537 }
2538
2539 /**
2540 * Gets an editable textual representation of $content.
2541 * The textual representation can be turned by into a Content object by the
2542 * toEditContent() method.
2543 *
2544 * If $content is null or false or a string, $content is returned unchanged.
2545 *
2546 * If the given Content object is not of a type that can be edited using
2547 * the text base EditPage, an exception will be raised. Set
2548 * $this->allowNonTextContent to true to allow editing of non-textual
2549 * content.
2550 *
2551 * @param Content|null|bool|string $content
2552 * @return string The editable text form of the content.
2553 *
2554 * @throws MWException If $content is not an instance of TextContent and
2555 * $this->allowNonTextContent is not true.
2556 */
2557 protected function toEditText( $content ) {
2558 if ( $content === null || $content === false || is_string( $content ) ) {
2559 return $content;
2560 }
2561
2562 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2563 throw new MWException( 'This content model is not supported: ' . $content->getModel() );
2564 }
2565
2566 return $content->serialize( $this->contentFormat );
2567 }
2568
2569 /**
2570 * Turns the given text into a Content object by unserializing it.
2571 *
2572 * If the resulting Content object is not of a type that can be edited using
2573 * the text base EditPage, an exception will be raised. Set
2574 * $this->allowNonTextContent to true to allow editing of non-textual
2575 * content.
2576 *
2577 * @param string|null|bool $text Text to unserialize
2578 * @return Content|bool|null The content object created from $text. If $text was false
2579 * or null, false resp. null will be returned instead.
2580 *
2581 * @throws MWException If unserializing the text results in a Content
2582 * object that is not an instance of TextContent and
2583 * $this->allowNonTextContent is not true.
2584 */
2585 protected function toEditContent( $text ) {
2586 if ( $text === false || $text === null ) {
2587 return $text;
2588 }
2589
2590 $content = ContentHandler::makeContent( $text, $this->getTitle(),
2591 $this->contentModel, $this->contentFormat );
2592
2593 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2594 throw new MWException( 'This content model is not supported: ' . $content->getModel() );
2595 }
2596
2597 return $content;
2598 }
2599
2600 /**
2601 * Send the edit form and related headers to OutputPage
2602 * @param callable|null $formCallback That takes an OutputPage parameter; will be called
2603 * during form output near the top, for captchas and the like.
2604 *
2605 * The $formCallback parameter is deprecated since MediaWiki 1.25. Please
2606 * use the EditPage::showEditForm:fields hook instead.
2607 */
2608 public function showEditForm( $formCallback = null ) {
2609 global $wgUser;
2610
2611 # need to parse the preview early so that we know which templates are used,
2612 # otherwise users with "show preview after edit box" will get a blank list
2613 # we parse this near the beginning so that setHeaders can do the title
2614 # setting work instead of leaving it in getPreviewText
2615 $previewOutput = '';
2616 if ( $this->formtype == 'preview' ) {
2617 $previewOutput = $this->getPreviewText();
2618 }
2619
2620 $out = $this->context->getOutput();
2621
2622 // Avoid PHP 7.1 warning of passing $this by reference
2623 $editPage = $this;
2624 Hooks::run( 'EditPage::showEditForm:initial', [ &$editPage, &$out ] );
2625
2626 $this->setHeaders();
2627
2628 $this->addTalkPageText();
2629 $this->addEditNotices();
2630
2631 if ( !$this->isConflict &&
2632 $this->section != '' &&
2633 !$this->isSectionEditSupported() ) {
2634 // We use $this->section to much before this and getVal('wgSection') directly in other places
2635 // at this point we can't reset $this->section to '' to fallback to non-section editing.
2636 // Someone is welcome to try refactoring though
2637 $out->showErrorPage( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
2638 return;
2639 }
2640
2641 $this->showHeader();
2642
2643 $out->addHTML( $this->editFormPageTop );
2644
2645 if ( $wgUser->getOption( 'previewontop' ) ) {
2646 $this->displayPreviewArea( $previewOutput, true );
2647 }
2648
2649 $out->addHTML( $this->editFormTextTop );
2650
2651 $showToolbar = true;
2652 if ( $this->wasDeletedSinceLastEdit() ) {
2653 if ( $this->formtype == 'save' ) {
2654 // Hide the toolbar and edit area, user can click preview to get it back
2655 // Add an confirmation checkbox and explanation.
2656 $showToolbar = false;
2657 } else {
2658 $out->wrapWikiMsg( "<div class='error mw-deleted-while-editing'>\n$1\n</div>",
2659 'deletedwhileediting' );
2660 }
2661 }
2662
2663 // @todo add EditForm plugin interface and use it here!
2664 // search for textarea1 and textarea2, and allow EditForm to override all uses.
2665 $out->addHTML( Html::openElement(
2666 'form',
2667 [
2668 'class' => 'mw-editform',
2669 'id' => self::EDITFORM_ID,
2670 'name' => self::EDITFORM_ID,
2671 'method' => 'post',
2672 'action' => $this->getActionURL( $this->getContextTitle() ),
2673 'enctype' => 'multipart/form-data'
2674 ]
2675 ) );
2676
2677 if ( is_callable( $formCallback ) ) {
2678 wfWarn( 'The $formCallback parameter to ' . __METHOD__ . 'is deprecated' );
2679 call_user_func_array( $formCallback, [ &$out ] );
2680 }
2681
2682 // Add an empty field to trip up spambots
2683 $out->addHTML(
2684 Xml::openElement( 'div', [ 'id' => 'antispam-container', 'style' => 'display: none;' ] )
2685 . Html::rawElement(
2686 'label',
2687 [ 'for' => 'wpAntispam' ],
2688 $this->context->msg( 'simpleantispam-label' )->parse()
2689 )
2690 . Xml::element(
2691 'input',
2692 [
2693 'type' => 'text',
2694 'name' => 'wpAntispam',
2695 'id' => 'wpAntispam',
2696 'value' => ''
2697 ]
2698 )
2699 . Xml::closeElement( 'div' )
2700 );
2701
2702 // Avoid PHP 7.1 warning of passing $this by reference
2703 $editPage = $this;
2704 Hooks::run( 'EditPage::showEditForm:fields', [ &$editPage, &$out ] );
2705
2706 // Put these up at the top to ensure they aren't lost on early form submission
2707 $this->showFormBeforeText();
2708
2709 if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
2710 $username = $this->lastDelete->user_name;
2711 $comment = CommentStore::newKey( 'log_comment' )->getComment( $this->lastDelete )->text;
2712
2713 // It is better to not parse the comment at all than to have templates expanded in the middle
2714 // TODO: can the checkLabel be moved outside of the div so that wrapWikiMsg could be used?
2715 $key = $comment === ''
2716 ? 'confirmrecreate-noreason'
2717 : 'confirmrecreate';
2718 $out->addHTML(
2719 '<div class="mw-confirm-recreate">' .
2720 $this->context->msg( $key, $username, "<nowiki>$comment</nowiki>" )->parse() .
2721 Xml::checkLabel( $this->context->msg( 'recreate' )->text(), 'wpRecreate', 'wpRecreate', false,
2722 [ 'title' => Linker::titleAttrib( 'recreate' ), 'tabindex' => 1, 'id' => 'wpRecreate' ]
2723 ) .
2724 '</div>'
2725 );
2726 }
2727
2728 # When the summary is hidden, also hide them on preview/show changes
2729 if ( $this->nosummary ) {
2730 $out->addHTML( Html::hidden( 'nosummary', true ) );
2731 }
2732
2733 # If a blank edit summary was previously provided, and the appropriate
2734 # user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
2735 # user being bounced back more than once in the event that a summary
2736 # is not required.
2737 # ####
2738 # For a bit more sophisticated detection of blank summaries, hash the
2739 # automatic one and pass that in the hidden field wpAutoSummary.
2740 if ( $this->missingSummary || ( $this->section == 'new' && $this->nosummary ) ) {
2741 $out->addHTML( Html::hidden( 'wpIgnoreBlankSummary', true ) );
2742 }
2743
2744 if ( $this->undidRev ) {
2745 $out->addHTML( Html::hidden( 'wpUndidRevision', $this->undidRev ) );
2746 }
2747
2748 if ( $this->selfRedirect ) {
2749 $out->addHTML( Html::hidden( 'wpIgnoreSelfRedirect', true ) );
2750 }
2751
2752 if ( $this->hasPresetSummary ) {
2753 // If a summary has been preset using &summary= we don't want to prompt for
2754 // a different summary. Only prompt for a summary if the summary is blanked.
2755 // (T19416)
2756 $this->autoSumm = md5( '' );
2757 }
2758
2759 $autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
2760 $out->addHTML( Html::hidden( 'wpAutoSummary', $autosumm ) );
2761
2762 $out->addHTML( Html::hidden( 'oldid', $this->oldid ) );
2763 $out->addHTML( Html::hidden( 'parentRevId', $this->getParentRevId() ) );
2764
2765 $out->addHTML( Html::hidden( 'format', $this->contentFormat ) );
2766 $out->addHTML( Html::hidden( 'model', $this->contentModel ) );
2767
2768 $out->enableOOUI();
2769
2770 if ( $this->section == 'new' ) {
2771 $this->showSummaryInput( true, $this->summary );
2772 $out->addHTML( $this->getSummaryPreview( true, $this->summary ) );
2773 }
2774
2775 $out->addHTML( $this->editFormTextBeforeContent );
2776
2777 if ( !$this->isCssJsSubpage && $showToolbar && $wgUser->getOption( 'showtoolbar' ) ) {
2778 $out->addHTML( self::getEditToolbar( $this->mTitle ) );
2779 }
2780
2781 if ( $this->blankArticle ) {
2782 $out->addHTML( Html::hidden( 'wpIgnoreBlankArticle', true ) );
2783 }
2784
2785 if ( $this->isConflict ) {
2786 // In an edit conflict bypass the overridable content form method
2787 // and fallback to the raw wpTextbox1 since editconflicts can't be
2788 // resolved between page source edits and custom ui edits using the
2789 // custom edit ui.
2790 $this->textbox2 = $this->textbox1;
2791
2792 $content = $this->getCurrentContent();
2793 $this->textbox1 = $this->toEditText( $content );
2794
2795 $this->showTextbox1();
2796 } else {
2797 $this->showContentForm();
2798 }
2799
2800 $out->addHTML( $this->editFormTextAfterContent );
2801
2802 $this->showStandardInputs();
2803
2804 $this->showFormAfterText();
2805
2806 $this->showTosSummary();
2807
2808 $this->showEditTools();
2809
2810 $out->addHTML( $this->editFormTextAfterTools . "\n" );
2811
2812 $out->addHTML( $this->makeTemplatesOnThisPageList( $this->getTemplates() ) );
2813
2814 $out->addHTML( Html::rawElement( 'div', [ 'class' => 'hiddencats' ],
2815 Linker::formatHiddenCategories( $this->page->getHiddenCategories() ) ) );
2816
2817 $out->addHTML( Html::rawElement( 'div', [ 'class' => 'limitreport' ],
2818 self::getPreviewLimitReport( $this->mParserOutput ) ) );
2819
2820 $out->addModules( 'mediawiki.action.edit.collapsibleFooter' );
2821
2822 if ( $this->isConflict ) {
2823 try {
2824 $this->showConflict();
2825 } catch ( MWContentSerializationException $ex ) {
2826 // this can't really happen, but be nice if it does.
2827 $msg = $this->context->msg(
2828 'content-failed-to-parse',
2829 $this->contentModel,
2830 $this->contentFormat,
2831 $ex->getMessage()
2832 );
2833 $out->addWikiText( '<div class="error">' . $msg->text() . '</div>' );
2834 }
2835 }
2836
2837 // Set a hidden field so JS knows what edit form mode we are in
2838 if ( $this->isConflict ) {
2839 $mode = 'conflict';
2840 } elseif ( $this->preview ) {
2841 $mode = 'preview';
2842 } elseif ( $this->diff ) {
2843 $mode = 'diff';
2844 } else {
2845 $mode = 'text';
2846 }
2847 $out->addHTML( Html::hidden( 'mode', $mode, [ 'id' => 'mw-edit-mode' ] ) );
2848
2849 // Marker for detecting truncated form data. This must be the last
2850 // parameter sent in order to be of use, so do not move me.
2851 $out->addHTML( Html::hidden( 'wpUltimateParam', true ) );
2852 $out->addHTML( $this->editFormTextBottom . "\n</form>\n" );
2853
2854 if ( !$wgUser->getOption( 'previewontop' ) ) {
2855 $this->displayPreviewArea( $previewOutput, false );
2856 }
2857 }
2858
2859 /**
2860 * Wrapper around TemplatesOnThisPageFormatter to make
2861 * a "templates on this page" list.
2862 *
2863 * @param Title[] $templates
2864 * @return string HTML
2865 */
2866 public function makeTemplatesOnThisPageList( array $templates ) {
2867 $templateListFormatter = new TemplatesOnThisPageFormatter(
2868 $this->context, MediaWikiServices::getInstance()->getLinkRenderer()
2869 );
2870
2871 // preview if preview, else section if section, else false
2872 $type = false;
2873 if ( $this->preview ) {
2874 $type = 'preview';
2875 } elseif ( $this->section != '' ) {
2876 $type = 'section';
2877 }
2878
2879 return Html::rawElement( 'div', [ 'class' => 'templatesUsed' ],
2880 $templateListFormatter->format( $templates, $type )
2881 );
2882 }
2883
2884 /**
2885 * Extract the section title from current section text, if any.
2886 *
2887 * @param string $text
2888 * @return string|bool String or false
2889 */
2890 public static function extractSectionTitle( $text ) {
2891 preg_match( "/^(=+)(.+)\\1\\s*(\n|$)/i", $text, $matches );
2892 if ( !empty( $matches[2] ) ) {
2893 global $wgParser;
2894 return $wgParser->stripSectionName( trim( $matches[2] ) );
2895 } else {
2896 return false;
2897 }
2898 }
2899
2900 protected function showHeader() {
2901 global $wgUser;
2902 global $wgAllowUserCss, $wgAllowUserJs;
2903
2904 $out = $this->context->getOutput();
2905 if ( $this->isConflict ) {
2906 $this->addExplainConflictHeader( $out );
2907 $this->editRevId = $this->page->getLatest();
2908 } else {
2909 if ( $this->section != '' && $this->section != 'new' ) {
2910 if ( !$this->summary && !$this->preview && !$this->diff ) {
2911 $sectionTitle = self::extractSectionTitle( $this->textbox1 ); // FIXME: use Content object
2912 if ( $sectionTitle !== false ) {
2913 $this->summary = "/* $sectionTitle */ ";
2914 }
2915 }
2916 }
2917
2918 $buttonLabel = $this->context->msg( $this->getSaveButtonLabel() )->text();
2919
2920 if ( $this->missingComment ) {
2921 $out->wrapWikiMsg( "<div id='mw-missingcommenttext'>\n$1\n</div>", 'missingcommenttext' );
2922 }
2923
2924 if ( $this->missingSummary && $this->section != 'new' ) {
2925 $out->wrapWikiMsg(
2926 "<div id='mw-missingsummary'>\n$1\n</div>",
2927 [ 'missingsummary', $buttonLabel ]
2928 );
2929 }
2930
2931 if ( $this->missingSummary && $this->section == 'new' ) {
2932 $out->wrapWikiMsg(
2933 "<div id='mw-missingcommentheader'>\n$1\n</div>",
2934 [ 'missingcommentheader', $buttonLabel ]
2935 );
2936 }
2937
2938 if ( $this->blankArticle ) {
2939 $out->wrapWikiMsg(
2940 "<div id='mw-blankarticle'>\n$1\n</div>",
2941 [ 'blankarticle', $buttonLabel ]
2942 );
2943 }
2944
2945 if ( $this->selfRedirect ) {
2946 $out->wrapWikiMsg(
2947 "<div id='mw-selfredirect'>\n$1\n</div>",
2948 [ 'selfredirect', $buttonLabel ]
2949 );
2950 }
2951
2952 if ( $this->hookError !== '' ) {
2953 $out->addWikiText( $this->hookError );
2954 }