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Revert "EditPage: Use context instead of globals (3/4)"
[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
25 /**
26 * The edit page/HTML interface (split from Article)
27 * The actual database and text munging is still in Article,
28 * but it should get easier to call those from alternate
29 * interfaces.
30 *
31 * EditPage cares about two distinct titles:
32 * $this->mContextTitle is the page that forms submit to, links point to,
33 * redirects go to, etc. $this->mTitle (as well as $mArticle) is the
34 * page in the database that is actually being edited. These are
35 * usually the same, but they are now allowed to be different.
36 *
37 * Surgeon General's Warning: prolonged exposure to this class is known to cause
38 * headaches, which may be fatal.
39 */
40 class EditPage {
41 /**
42 * Status: Article successfully updated
43 */
44 const AS_SUCCESS_UPDATE = 200;
45
46 /**
47 * Status: Article successfully created
48 */
49 const AS_SUCCESS_NEW_ARTICLE = 201;
50
51 /**
52 * Status: Article update aborted by a hook function
53 */
54 const AS_HOOK_ERROR = 210;
55
56 /**
57 * Status: A hook function returned an error
58 */
59 const AS_HOOK_ERROR_EXPECTED = 212;
60
61 /**
62 * Status: User is blocked from editing this page
63 */
64 const AS_BLOCKED_PAGE_FOR_USER = 215;
65
66 /**
67 * Status: Content too big (> $wgMaxArticleSize)
68 */
69 const AS_CONTENT_TOO_BIG = 216;
70
71 /**
72 * Status: this anonymous user is not allowed to edit this page
73 */
74 const AS_READ_ONLY_PAGE_ANON = 218;
75
76 /**
77 * Status: this logged in user is not allowed to edit this page
78 */
79 const AS_READ_ONLY_PAGE_LOGGED = 219;
80
81 /**
82 * Status: wiki is in readonly mode (wfReadOnly() == true)
83 */
84 const AS_READ_ONLY_PAGE = 220;
85
86 /**
87 * Status: rate limiter for action 'edit' was tripped
88 */
89 const AS_RATE_LIMITED = 221;
90
91 /**
92 * Status: article was deleted while editing and param wpRecreate == false or form
93 * was not posted
94 */
95 const AS_ARTICLE_WAS_DELETED = 222;
96
97 /**
98 * Status: user tried to create this page, but is not allowed to do that
99 * ( Title->userCan('create') == false )
100 */
101 const AS_NO_CREATE_PERMISSION = 223;
102
103 /**
104 * Status: user tried to create a blank page and wpIgnoreBlankArticle == false
105 */
106 const AS_BLANK_ARTICLE = 224;
107
108 /**
109 * Status: (non-resolvable) edit conflict
110 */
111 const AS_CONFLICT_DETECTED = 225;
112
113 /**
114 * Status: no edit summary given and the user has forceeditsummary set and the user is not
115 * editing in his own userspace or talkspace and wpIgnoreBlankSummary == false
116 */
117 const AS_SUMMARY_NEEDED = 226;
118
119 /**
120 * Status: user tried to create a new section without content
121 */
122 const AS_TEXTBOX_EMPTY = 228;
123
124 /**
125 * Status: article is too big (> $wgMaxArticleSize), after merging in the new section
126 */
127 const AS_MAX_ARTICLE_SIZE_EXCEEDED = 229;
128
129 /**
130 * Status: WikiPage::doEdit() was unsuccessful
131 */
132 const AS_END = 231;
133
134 /**
135 * Status: summary contained spam according to one of the regexes in $wgSummarySpamRegex
136 */
137 const AS_SPAM_ERROR = 232;
138
139 /**
140 * Status: anonymous user is not allowed to upload (User::isAllowed('upload') == false)
141 */
142 const AS_IMAGE_REDIRECT_ANON = 233;
143
144 /**
145 * Status: logged in user is not allowed to upload (User::isAllowed('upload') == false)
146 */
147 const AS_IMAGE_REDIRECT_LOGGED = 234;
148
149 /**
150 * Status: user tried to modify the content model, but is not allowed to do that
151 * ( User::isAllowed('editcontentmodel') == false )
152 */
153 const AS_NO_CHANGE_CONTENT_MODEL = 235;
154
155 /**
156 * Status: user tried to create self-redirect (redirect to the same article) and
157 * wpIgnoreSelfRedirect == false
158 */
159 const AS_SELF_REDIRECT = 236;
160
161 /**
162 * Status: an error relating to change tagging. Look at the message key for
163 * more details
164 */
165 const AS_CHANGE_TAG_ERROR = 237;
166
167 /**
168 * Status: can't parse content
169 */
170 const AS_PARSE_ERROR = 240;
171
172 /**
173 * Status: when changing the content model is disallowed due to
174 * $wgContentHandlerUseDB being false
175 */
176 const AS_CANNOT_USE_CUSTOM_MODEL = 241;
177
178 /**
179 * HTML id and name for the beginning of the edit form.
180 */
181 const EDITFORM_ID = 'editform';
182
183 /**
184 * Prefix of key for cookie used to pass post-edit state.
185 * The revision id edited is added after this
186 */
187 const POST_EDIT_COOKIE_KEY_PREFIX = 'PostEditRevision';
188
189 /**
190 * Duration of PostEdit cookie, in seconds.
191 * The cookie will be removed instantly if the JavaScript runs.
192 *
193 * Otherwise, though, we don't want the cookies to accumulate.
194 * RFC 2109 ( https://www.ietf.org/rfc/rfc2109.txt ) specifies a possible
195 * limit of only 20 cookies per domain. This still applies at least to some
196 * versions of IE without full updates:
197 * https://blogs.msdn.com/b/ieinternals/archive/2009/08/20/wininet-ie-cookie-internals-faq.aspx
198 *
199 * A value of 20 minutes should be enough to take into account slow loads and minor
200 * clock skew while still avoiding cookie accumulation when JavaScript is turned off.
201 */
202 const POST_EDIT_COOKIE_DURATION = 1200;
203
204 /** @var Article */
205 public $mArticle;
206 /** @var WikiPage */
207 private $page;
208
209 /** @var Title */
210 public $mTitle;
211
212 /** @var null|Title */
213 private $mContextTitle = null;
214
215 /** @var string */
216 public $action = 'submit';
217
218 /** @var bool */
219 public $isConflict = false;
220
221 /** @var bool */
222 public $isCssJsSubpage = false;
223
224 /** @var bool */
225 public $isCssSubpage = false;
226
227 /** @var bool */
228 public $isJsSubpage = false;
229
230 /** @var bool */
231 public $isWrongCaseCssJsPage = false;
232
233 /** @var bool New page or new section */
234 public $isNew = false;
235
236 /** @var bool */
237 public $deletedSinceEdit;
238
239 /** @var string */
240 public $formtype;
241
242 /** @var bool */
243 public $firsttime;
244
245 /** @var bool|stdClass */
246 public $lastDelete;
247
248 /** @var bool */
249 public $mTokenOk = false;
250
251 /** @var bool */
252 public $mTokenOkExceptSuffix = false;
253
254 /** @var bool */
255 public $mTriedSave = false;
256
257 /** @var bool */
258 public $incompleteForm = false;
259
260 /** @var bool */
261 public $tooBig = false;
262
263 /** @var bool */
264 public $missingComment = false;
265
266 /** @var bool */
267 public $missingSummary = false;
268
269 /** @var bool */
270 public $allowBlankSummary = false;
271
272 /** @var bool */
273 protected $blankArticle = false;
274
275 /** @var bool */
276 protected $allowBlankArticle = false;
277
278 /** @var bool */
279 protected $selfRedirect = false;
280
281 /** @var bool */
282 protected $allowSelfRedirect = false;
283
284 /** @var string */
285 public $autoSumm = '';
286
287 /** @var string */
288 public $hookError = '';
289
290 /** @var ParserOutput */
291 public $mParserOutput;
292
293 /** @var bool Has a summary been preset using GET parameter &summary= ? */
294 public $hasPresetSummary = false;
295
296 /** @var bool */
297 public $mBaseRevision = false;
298
299 /** @var bool */
300 public $mShowSummaryField = true;
301
302 # Form values
303
304 /** @var bool */
305 public $save = false;
306
307 /** @var bool */
308 public $preview = false;
309
310 /** @var bool */
311 public $diff = false;
312
313 /** @var bool */
314 public $minoredit = false;
315
316 /** @var bool */
317 public $watchthis = false;
318
319 /** @var bool */
320 public $recreate = false;
321
322 /** @var string */
323 public $textbox1 = '';
324
325 /** @var string */
326 public $textbox2 = '';
327
328 /** @var string */
329 public $summary = '';
330
331 /** @var bool */
332 public $nosummary = false;
333
334 /** @var string */
335 public $edittime = '';
336
337 /** @var integer */
338 private $editRevId = null;
339
340 /** @var string */
341 public $section = '';
342
343 /** @var string */
344 public $sectiontitle = '';
345
346 /** @var string */
347 public $starttime = '';
348
349 /** @var int */
350 public $oldid = 0;
351
352 /** @var int */
353 public $parentRevId = 0;
354
355 /** @var string */
356 public $editintro = '';
357
358 /** @var null */
359 public $scrolltop = null;
360
361 /** @var bool */
362 public $bot = true;
363
364 /** @var null|string */
365 public $contentModel = null;
366
367 /** @var null|string */
368 public $contentFormat = null;
369
370 /** @var null|array */
371 private $changeTags = null;
372
373 # Placeholders for text injection by hooks (must be HTML)
374 # extensions should take care to _append_ to the present value
375
376 /** @var string Before even the preview */
377 public $editFormPageTop = '';
378 public $editFormTextTop = '';
379 public $editFormTextBeforeContent = '';
380 public $editFormTextAfterWarn = '';
381 public $editFormTextAfterTools = '';
382 public $editFormTextBottom = '';
383 public $editFormTextAfterContent = '';
384 public $previewTextAfterContent = '';
385 public $mPreloadContent = null;
386
387 /* $didSave should be set to true whenever an article was successfully altered. */
388 public $didSave = false;
389 public $undidRev = 0;
390
391 public $suppressIntro = false;
392
393 /** @var bool */
394 protected $edit;
395
396 /** @var bool|int */
397 protected $contentLength = false;
398
399 /**
400 * @var bool Set in ApiEditPage, based on ContentHandler::allowsDirectApiEditing
401 */
402 private $enableApiEditOverride = false;
403
404 /**
405 * @var IContextSource
406 */
407 protected $context;
408
409 /**
410 * @param Article $article
411 */
412 public function __construct( Article $article ) {
413 $this->mArticle = $article;
414 $this->page = $article->getPage(); // model object
415 $this->mTitle = $article->getTitle();
416 $this->context = $article->getContext();
417
418 $this->contentModel = $this->mTitle->getContentModel();
419
420 $handler = ContentHandler::getForModelID( $this->contentModel );
421 $this->contentFormat = $handler->getDefaultFormat();
422 }
423
424 /**
425 * @return Article
426 */
427 public function getArticle() {
428 return $this->mArticle;
429 }
430
431 /**
432 * @since 1.28
433 * @return IContextSource
434 */
435 public function getContext() {
436 return $this->context;
437 }
438
439 /**
440 * @since 1.19
441 * @return Title
442 */
443 public function getTitle() {
444 return $this->mTitle;
445 }
446
447 /**
448 * Set the context Title object
449 *
450 * @param Title|null $title Title object or null
451 */
452 public function setContextTitle( $title ) {
453 $this->mContextTitle = $title;
454 }
455
456 /**
457 * Get the context title object.
458 * If not set, $wgTitle will be returned. This behavior might change in
459 * the future to return $this->mTitle instead.
460 *
461 * @return Title
462 */
463 public function getContextTitle() {
464 if ( is_null( $this->mContextTitle ) ) {
465 global $wgTitle;
466 return $wgTitle;
467 } else {
468 return $this->mContextTitle;
469 }
470 }
471
472 /**
473 * Returns if the given content model is editable.
474 *
475 * @param string $modelId The ID of the content model to test. Use CONTENT_MODEL_XXX constants.
476 * @return bool
477 * @throws MWException If $modelId has no known handler
478 */
479 public function isSupportedContentModel( $modelId ) {
480 return $this->enableApiEditOverride === true ||
481 ContentHandler::getForModelID( $modelId )->supportsDirectEditing();
482 }
483
484 /**
485 * Allow editing of content that supports API direct editing, but not general
486 * direct editing. Set to false by default.
487 *
488 * @param bool $enableOverride
489 */
490 public function setApiEditOverride( $enableOverride ) {
491 $this->enableApiEditOverride = $enableOverride;
492 }
493
494 function submit() {
495 $this->edit();
496 }
497
498 /**
499 * This is the function that gets called for "action=edit". It
500 * sets up various member variables, then passes execution to
501 * another function, usually showEditForm()
502 *
503 * The edit form is self-submitting, so that when things like
504 * preview and edit conflicts occur, we get the same form back
505 * with the extra stuff added. Only when the final submission
506 * is made and all is well do we actually save and redirect to
507 * the newly-edited page.
508 */
509 function edit() {
510 // Allow extensions to modify/prevent this form or submission
511 if ( !Hooks::run( 'AlternateEdit', [ $this ] ) ) {
512 return;
513 }
514
515 wfDebug( __METHOD__ . ": enter\n" );
516
517 $request = $this->context->getRequest();
518 $out = $this->context->getOutput();
519 // If they used redlink=1 and the page exists, redirect to the main article
520 if ( $request->getBool( 'redlink' ) && $this->mTitle->exists() ) {
521 $out->redirect( $this->mTitle->getFullURL() );
522 return;
523 }
524
525 $this->importFormData( $request );
526 $this->firsttime = false;
527
528 if ( wfReadOnly() && $this->save ) {
529 // Force preview
530 $this->save = false;
531 $this->preview = true;
532 }
533
534 if ( $this->save ) {
535 $this->formtype = 'save';
536 } elseif ( $this->preview ) {
537 $this->formtype = 'preview';
538 } elseif ( $this->diff ) {
539 $this->formtype = 'diff';
540 } else { # First time through
541 $this->firsttime = true;
542 if ( $this->previewOnOpen() ) {
543 $this->formtype = 'preview';
544 } else {
545 $this->formtype = 'initial';
546 }
547 }
548
549 $permErrors = $this->getEditPermissionErrors( $this->save ? 'secure' : 'full' );
550 if ( $permErrors ) {
551 wfDebug( __METHOD__ . ": User can't edit\n" );
552 // Auto-block user's IP if the account was "hard" blocked
553 if ( !wfReadOnly() ) {
554 $user = $this->context->getUser();
555 DeferredUpdates::addCallableUpdate( function () use ( $user ) {
556 $user->spreadAnyEditBlock();
557 } );
558 }
559 $this->displayPermissionsError( $permErrors );
560
561 return;
562 }
563
564 $revision = $this->mArticle->getRevisionFetched();
565 // Disallow editing revisions with content models different from the current one
566 if ( $revision && $revision->getContentModel() !== $this->contentModel ) {
567 $this->displayViewSourcePage(
568 $this->getContentObject(),
569 wfMessage(
570 'contentmodelediterror',
571 $revision->getContentModel(),
572 $this->contentModel
573 )->plain()
574 );
575 return;
576 }
577
578 $this->isConflict = false;
579 // css / js subpages of user pages get a special treatment
580 $this->isCssJsSubpage = $this->mTitle->isCssJsSubpage();
581 $this->isCssSubpage = $this->mTitle->isCssSubpage();
582 $this->isJsSubpage = $this->mTitle->isJsSubpage();
583 // @todo FIXME: Silly assignment.
584 $this->isWrongCaseCssJsPage = $this->isWrongCaseCssJsPage();
585
586 # Show applicable editing introductions
587 if ( $this->formtype == 'initial' || $this->firsttime ) {
588 $this->showIntro();
589 }
590
591 # Attempt submission here. This will check for edit conflicts,
592 # and redundantly check for locked database, blocked IPs, etc.
593 # that edit() already checked just in case someone tries to sneak
594 # in the back door with a hand-edited submission URL.
595
596 if ( 'save' == $this->formtype ) {
597 $resultDetails = null;
598 $status = $this->attemptSave( $resultDetails );
599 if ( !$this->handleStatus( $status, $resultDetails ) ) {
600 return;
601 }
602 }
603
604 # First time through: get contents, set time for conflict
605 # checking, etc.
606 if ( 'initial' == $this->formtype || $this->firsttime ) {
607 if ( $this->initialiseForm() === false ) {
608 $this->noSuchSectionPage();
609 return;
610 }
611
612 if ( !$this->mTitle->getArticleID() ) {
613 Hooks::run( 'EditFormPreloadText', [ &$this->textbox1, &$this->mTitle ] );
614 } else {
615 Hooks::run( 'EditFormInitialText', [ $this ] );
616 }
617
618 }
619
620 $this->showEditForm();
621 }
622
623 /**
624 * @param string $rigor Same format as Title::getUserPermissionErrors()
625 * @return array
626 */
627 protected function getEditPermissionErrors( $rigor = 'secure' ) {
628 $user = $this->context->getUser();
629 $permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $user, $rigor );
630 # Can this title be created?
631 if ( !$this->mTitle->exists() ) {
632 $permErrors = array_merge(
633 $permErrors,
634 wfArrayDiff2(
635 $this->mTitle->getUserPermissionsErrors( 'create', $user, $rigor ),
636 $permErrors
637 )
638 );
639 }
640 # Ignore some permissions errors when a user is just previewing/viewing diffs
641 $remove = [];
642 foreach ( $permErrors as $error ) {
643 if ( ( $this->preview || $this->diff )
644 && ( $error[0] == 'blockedtext' || $error[0] == 'autoblockedtext' )
645 ) {
646 $remove[] = $error;
647 }
648 }
649 $permErrors = wfArrayDiff2( $permErrors, $remove );
650
651 return $permErrors;
652 }
653
654 /**
655 * Display a permissions error page, like OutputPage::showPermissionsErrorPage(),
656 * but with the following differences:
657 * - If redlink=1, the user will be redirected to the page
658 * - If there is content to display or the error occurs while either saving,
659 * previewing or showing the difference, it will be a
660 * "View source for ..." page displaying the source code after the error message.
661 *
662 * @since 1.19
663 * @param array $permErrors Array of permissions errors, as returned by
664 * Title::getUserPermissionsErrors().
665 * @throws PermissionsError
666 */
667 protected function displayPermissionsError( array $permErrors ) {
668 $out = $this->context->getOutput();
669 if ( $this->context->getRequest()->getBool( 'redlink' ) ) {
670 // The edit page was reached via a red link.
671 // Redirect to the article page and let them click the edit tab if
672 // they really want a permission error.
673 $out->redirect( $this->mTitle->getFullURL() );
674 return;
675 }
676
677 $content = $this->getContentObject();
678
679 # Use the normal message if there's nothing to display
680 if ( $this->firsttime && ( !$content || $content->isEmpty() ) ) {
681 $action = $this->mTitle->exists() ? 'edit' :
682 ( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
683 throw new PermissionsError( $action, $permErrors );
684 }
685
686 $this->displayViewSourcePage(
687 $content,
688 $out->formatPermissionsErrorMessage( $permErrors, 'edit' )
689 );
690 }
691
692 /**
693 * Display a read-only View Source page
694 * @param Content $content content object
695 * @param string $errorMessage additional wikitext error message to display
696 */
697 protected function displayViewSourcePage( Content $content, $errorMessage = '' ) {
698 $out = $this->context->getOutput();
699 Hooks::run( 'EditPage::showReadOnlyForm:initial', [ $this, &$out ] );
700
701 $out->setRobotPolicy( 'noindex,nofollow' );
702 $out->setPageTitle( wfMessage(
703 'viewsource-title',
704 $this->getContextTitle()->getPrefixedText()
705 ) );
706 $out->addBacklinkSubtitle( $this->getContextTitle() );
707 $out->addHTML( $this->editFormPageTop );
708 $out->addHTML( $this->editFormTextTop );
709
710 if ( $errorMessage !== '' ) {
711 $out->addWikiText( $errorMessage );
712 $out->addHTML( "<hr />\n" );
713 }
714
715 # If the user made changes, preserve them when showing the markup
716 # (This happens when a user is blocked during edit, for instance)
717 if ( !$this->firsttime ) {
718 $text = $this->textbox1;
719 $out->addWikiMsg( 'viewyourtext' );
720 } else {
721 try {
722 $text = $this->toEditText( $content );
723 } catch ( MWException $e ) {
724 # Serialize using the default format if the content model is not supported
725 # (e.g. for an old revision with a different model)
726 $text = $content->serialize();
727 }
728 $out->addWikiMsg( 'viewsourcetext' );
729 }
730
731 $out->addHTML( $this->editFormTextBeforeContent );
732 $this->showTextbox( $text, 'wpTextbox1', [ 'readonly' ] );
733 $out->addHTML( $this->editFormTextAfterContent );
734
735 $out->addHTML( Html::rawElement( 'div', [ 'class' => 'templatesUsed' ],
736 Linker::formatTemplates( $this->getTemplates() ) ) );
737
738 $out->addModules( 'mediawiki.action.edit.collapsibleFooter' );
739
740 $out->addHTML( $this->editFormTextBottom );
741 if ( $this->mTitle->exists() ) {
742 $out->returnToMain( null, $this->mTitle );
743 }
744 }
745
746 /**
747 * Should we show a preview when the edit form is first shown?
748 *
749 * @return bool
750 */
751 protected function previewOnOpen() {
752 global $wgPreviewOnOpenNamespaces;
753 $request = $this->context->getRequest();
754 if ( $request->getVal( 'preview' ) == 'yes' ) {
755 // Explicit override from request
756 return true;
757 } elseif ( $request->getVal( 'preview' ) == 'no' ) {
758 // Explicit override from request
759 return false;
760 } elseif ( $this->section == 'new' ) {
761 // Nothing *to* preview for new sections
762 return false;
763 } elseif ( ( $request->getVal( 'preload' ) !== null || $this->mTitle->exists() )
764 && $this->context->getUser()->getOption( 'previewonfirst' )
765 ) {
766 // Standard preference behavior
767 return true;
768 } elseif ( !$this->mTitle->exists()
769 && isset( $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()] )
770 && $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()]
771 ) {
772 // Categories are special
773 return true;
774 } else {
775 return false;
776 }
777 }
778
779 /**
780 * Checks whether the user entered a skin name in uppercase,
781 * e.g. "User:Example/Monobook.css" instead of "monobook.css"
782 *
783 * @return bool
784 */
785 protected function isWrongCaseCssJsPage() {
786 if ( $this->mTitle->isCssJsSubpage() ) {
787 $name = $this->mTitle->getSkinFromCssJsSubpage();
788 $skins = array_merge(
789 array_keys( Skin::getSkinNames() ),
790 [ 'common' ]
791 );
792 return !in_array( $name, $skins )
793 && in_array( strtolower( $name ), $skins );
794 } else {
795 return false;
796 }
797 }
798
799 /**
800 * Returns whether section editing is supported for the current page.
801 * Subclasses may override this to replace the default behavior, which is
802 * to check ContentHandler::supportsSections.
803 *
804 * @return bool True if this edit page supports sections, false otherwise.
805 */
806 protected function isSectionEditSupported() {
807 $contentHandler = ContentHandler::getForTitle( $this->mTitle );
808 return $contentHandler->supportsSections();
809 }
810
811 /**
812 * This function collects the form data and uses it to populate various member variables.
813 * @param WebRequest $request
814 * @throws ErrorPageError
815 */
816 function importFormData( &$request ) {
817 global $wgContLang;
818
819 # Section edit can come from either the form or a link
820 $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
821
822 if ( $this->section !== null && $this->section !== '' && !$this->isSectionEditSupported() ) {
823 throw new ErrorPageError( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
824 }
825
826 $this->isNew = !$this->mTitle->exists() || $this->section == 'new';
827
828 if ( $request->wasPosted() ) {
829 # These fields need to be checked for encoding.
830 # Also remove trailing whitespace, but don't remove _initial_
831 # whitespace from the text boxes. This may be significant formatting.
832 $this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
833 if ( !$request->getCheck( 'wpTextbox2' ) ) {
834 // Skip this if wpTextbox2 has input, it indicates that we came
835 // from a conflict page with raw page text, not a custom form
836 // modified by subclasses
837 $textbox1 = $this->importContentFormData( $request );
838 if ( $textbox1 !== null ) {
839 $this->textbox1 = $textbox1;
840 }
841 }
842
843 # Truncate for whole multibyte characters
844 $this->summary = $wgContLang->truncate( $request->getText( 'wpSummary' ), 255 );
845
846 # If the summary consists of a heading, e.g. '==Foobar==', extract the title from the
847 # header syntax, e.g. 'Foobar'. This is mainly an issue when we are using wpSummary for
848 # section titles.
849 $this->summary = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->summary );
850
851 # Treat sectiontitle the same way as summary.
852 # Note that wpSectionTitle is not yet a part of the actual edit form, as wpSummary is
853 # currently doing double duty as both edit summary and section title. Right now this
854 # is just to allow API edits to work around this limitation, but this should be
855 # incorporated into the actual edit form when EditPage is rewritten (Bugs 18654, 26312).
856 $this->sectiontitle = $wgContLang->truncate( $request->getText( 'wpSectionTitle' ), 255 );
857 $this->sectiontitle = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->sectiontitle );
858
859 $this->edittime = $request->getVal( 'wpEdittime' );
860 $this->editRevId = $request->getIntOrNull( 'editRevId' );
861 $this->starttime = $request->getVal( 'wpStarttime' );
862
863 $undidRev = $request->getInt( 'wpUndidRevision' );
864 if ( $undidRev ) {
865 $this->undidRev = $undidRev;
866 }
867
868 $this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
869
870 if ( $this->textbox1 === '' && $request->getVal( 'wpTextbox1' ) === null ) {
871 // wpTextbox1 field is missing, possibly due to being "too big"
872 // according to some filter rules such as Suhosin's setting for
873 // suhosin.request.max_value_length (d'oh)
874 $this->incompleteForm = true;
875 } else {
876 // If we receive the last parameter of the request, we can fairly
877 // claim the POST request has not been truncated.
878
879 // TODO: softened the check for cutover. Once we determine
880 // that it is safe, we should complete the transition by
881 // removing the "edittime" clause.
882 $this->incompleteForm = ( !$request->getVal( 'wpUltimateParam' )
883 && is_null( $this->edittime ) );
884 }
885 if ( $this->incompleteForm ) {
886 # If the form is incomplete, force to preview.
887 wfDebug( __METHOD__ . ": Form data appears to be incomplete\n" );
888 wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
889 $this->preview = true;
890 } else {
891 $this->preview = $request->getCheck( 'wpPreview' );
892 $this->diff = $request->getCheck( 'wpDiff' );
893
894 // Remember whether a save was requested, so we can indicate
895 // if we forced preview due to session failure.
896 $this->mTriedSave = !$this->preview;
897
898 if ( $this->tokenOk( $request ) ) {
899 # Some browsers will not report any submit button
900 # if the user hits enter in the comment box.
901 # The unmarked state will be assumed to be a save,
902 # if the form seems otherwise complete.
903 wfDebug( __METHOD__ . ": Passed token check.\n" );
904 } elseif ( $this->diff ) {
905 # Failed token check, but only requested "Show Changes".
906 wfDebug( __METHOD__ . ": Failed token check; Show Changes requested.\n" );
907 } else {
908 # Page might be a hack attempt posted from
909 # an external site. Preview instead of saving.
910 wfDebug( __METHOD__ . ": Failed token check; forcing preview\n" );
911 $this->preview = true;
912 }
913 }
914 $this->save = !$this->preview && !$this->diff;
915 if ( !preg_match( '/^\d{14}$/', $this->edittime ) ) {
916 $this->edittime = null;
917 }
918
919 if ( !preg_match( '/^\d{14}$/', $this->starttime ) ) {
920 $this->starttime = null;
921 }
922
923 $this->recreate = $request->getCheck( 'wpRecreate' );
924
925 $this->minoredit = $request->getCheck( 'wpMinoredit' );
926 $this->watchthis = $request->getCheck( 'wpWatchthis' );
927
928 # Don't force edit summaries when a user is editing their own user or talk page
929 $user = $this->context->getUser();
930 if ( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK )
931 && $this->mTitle->getText() == $user->getName()
932 ) {
933 $this->allowBlankSummary = true;
934 } else {
935 $this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' )
936 || !$user->getOption( 'forceeditsummary' );
937 }
938
939 $this->autoSumm = $request->getText( 'wpAutoSummary' );
940
941 $this->allowBlankArticle = $request->getBool( 'wpIgnoreBlankArticle' );
942 $this->allowSelfRedirect = $request->getBool( 'wpIgnoreSelfRedirect' );
943
944 $changeTags = $request->getVal( 'wpChangeTags' );
945 if ( is_null( $changeTags ) || $changeTags === '' ) {
946 $this->changeTags = [];
947 } else {
948 $this->changeTags = array_filter( array_map( 'trim', explode( ',',
949 $changeTags ) ) );
950 }
951 } else {
952 # Not a posted form? Start with nothing.
953 wfDebug( __METHOD__ . ": Not a posted form.\n" );
954 $this->textbox1 = '';
955 $this->summary = '';
956 $this->sectiontitle = '';
957 $this->edittime = '';
958 $this->editRevId = null;
959 $this->starttime = wfTimestampNow();
960 $this->edit = false;
961 $this->preview = false;
962 $this->save = false;
963 $this->diff = false;
964 $this->minoredit = false;
965 // Watch may be overridden by request parameters
966 $this->watchthis = $request->getBool( 'watchthis', false );
967 $this->recreate = false;
968
969 // When creating a new section, we can preload a section title by passing it as the
970 // preloadtitle parameter in the URL (Bug 13100)
971 if ( $this->section == 'new' && $request->getVal( 'preloadtitle' ) ) {
972 $this->sectiontitle = $request->getVal( 'preloadtitle' );
973 // Once wpSummary isn't being use for setting section titles, we should delete this.
974 $this->summary = $request->getVal( 'preloadtitle' );
975 } elseif ( $this->section != 'new' && $request->getVal( 'summary' ) ) {
976 $this->summary = $request->getText( 'summary' );
977 if ( $this->summary !== '' ) {
978 $this->hasPresetSummary = true;
979 }
980 }
981
982 if ( $request->getVal( 'minor' ) ) {
983 $this->minoredit = true;
984 }
985 }
986
987 $this->oldid = $request->getInt( 'oldid' );
988 $this->parentRevId = $request->getInt( 'parentRevId' );
989
990 $this->bot = $request->getBool( 'bot', true );
991 $this->nosummary = $request->getBool( 'nosummary' );
992
993 // May be overridden by revision.
994 $this->contentModel = $request->getText( 'model', $this->contentModel );
995 // May be overridden by revision.
996 $this->contentFormat = $request->getText( 'format', $this->contentFormat );
997
998 if ( !ContentHandler::getForModelID( $this->contentModel )
999 ->isSupportedFormat( $this->contentFormat )
1000 ) {
1001 throw new ErrorPageError(
1002 'editpage-notsupportedcontentformat-title',
1003 'editpage-notsupportedcontentformat-text',
1004 [ $this->contentFormat, ContentHandler::getLocalizedName( $this->contentModel ) ]
1005 );
1006 }
1007
1008 /**
1009 * @todo Check if the desired model is allowed in this namespace, and if
1010 * a transition from the page's current model to the new model is
1011 * allowed.
1012 */
1013
1014 $this->editintro = $request->getText( 'editintro',
1015 // Custom edit intro for new sections
1016 $this->section === 'new' ? 'MediaWiki:addsection-editintro' : '' );
1017
1018 // Allow extensions to modify form data
1019 Hooks::run( 'EditPage::importFormData', [ $this, $request ] );
1020
1021 }
1022
1023 /**
1024 * Subpage overridable method for extracting the page content data from the
1025 * posted form to be placed in $this->textbox1, if using customized input
1026 * this method should be overridden and return the page text that will be used
1027 * for saving, preview parsing and so on...
1028 *
1029 * @param WebRequest $request
1030 * @return string|null
1031 */
1032 protected function importContentFormData( &$request ) {
1033 return; // Don't do anything, EditPage already extracted wpTextbox1
1034 }
1035
1036 /**
1037 * Initialise form fields in the object
1038 * Called on the first invocation, e.g. when a user clicks an edit link
1039 * @return bool If the requested section is valid
1040 */
1041 function initialiseForm() {
1042 $this->edittime = $this->page->getTimestamp();
1043 $this->editRevId = $this->page->getLatest();
1044
1045 $content = $this->getContentObject( false ); # TODO: track content object?!
1046 if ( $content === false ) {
1047 return false;
1048 }
1049 $this->textbox1 = $this->toEditText( $content );
1050 $user = $this->context->getUser();
1051
1052 // activate checkboxes if user wants them to be always active
1053 # Sort out the "watch" checkbox
1054 if ( $user->getOption( 'watchdefault' ) ) {
1055 # Watch all edits
1056 $this->watchthis = true;
1057 } elseif ( $user->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
1058 # Watch creations
1059 $this->watchthis = true;
1060 } elseif ( $user->isWatched( $this->mTitle ) ) {
1061 # Already watched
1062 $this->watchthis = true;
1063 }
1064 if ( $user->getOption( 'minordefault' ) && !$this->isNew ) {
1065 $this->minoredit = true;
1066 }
1067 if ( $this->textbox1 === false ) {
1068 return false;
1069 }
1070 return true;
1071 }
1072
1073 /**
1074 * @param Content|null $def_content The default value to return
1075 *
1076 * @return Content|null Content on success, $def_content for invalid sections
1077 *
1078 * @since 1.21
1079 */
1080 protected function getContentObject( $def_content = null ) {
1081 global $wgContLang;
1082
1083 $content = false;
1084 $request = $this->context->getRequest();
1085 $user = $this->context->getUser();
1086
1087 // For message page not locally set, use the i18n message.
1088 // For other non-existent articles, use preload text if any.
1089 if ( !$this->mTitle->exists() || $this->section == 'new' ) {
1090 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && $this->section != 'new' ) {
1091 # If this is a system message, get the default text.
1092 $msg = $this->mTitle->getDefaultMessageText();
1093
1094 $content = $this->toEditContent( $msg );
1095 }
1096 if ( $content === false ) {
1097 # If requested, preload some text.
1098 $preload = $request->getVal( 'preload',
1099 // Custom preload text for new sections
1100 $this->section === 'new' ? 'MediaWiki:addsection-preload' : '' );
1101 $params = $request->getArray( 'preloadparams', [] );
1102
1103 $content = $this->getPreloadedContent( $preload, $params );
1104 }
1105 // For existing pages, get text based on "undo" or section parameters.
1106 } else {
1107 if ( $this->section != '' ) {
1108 // Get section edit text (returns $def_text for invalid sections)
1109 $orig = $this->getOriginalContent( $user );
1110 $content = $orig ? $orig->getSection( $this->section ) : null;
1111
1112 if ( !$content ) {
1113 $content = $def_content;
1114 }
1115 } else {
1116 $undoafter = $request->getInt( 'undoafter' );
1117 $undo = $request->getInt( 'undo' );
1118
1119 if ( $undo > 0 && $undoafter > 0 ) {
1120 $undorev = Revision::newFromId( $undo );
1121 $oldrev = Revision::newFromId( $undoafter );
1122
1123 # Sanity check, make sure it's the right page,
1124 # the revisions exist and they were not deleted.
1125 # Otherwise, $content will be left as-is.
1126 if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
1127 !$undorev->isDeleted( Revision::DELETED_TEXT ) &&
1128 !$oldrev->isDeleted( Revision::DELETED_TEXT )
1129 ) {
1130 $content = $this->page->getUndoContent( $undorev, $oldrev );
1131
1132 if ( $content === false ) {
1133 # Warn the user that something went wrong
1134 $undoMsg = 'failure';
1135 } else {
1136 $oldContent = $this->page->getContent( Revision::RAW );
1137 $popts = ParserOptions::newFromUserAndLang( $user, $wgContLang );
1138 $newContent = $content->preSaveTransform( $this->mTitle, $user, $popts );
1139
1140 if ( $newContent->equals( $oldContent ) ) {
1141 # Tell the user that the undo results in no change,
1142 # i.e. the revisions were already undone.
1143 $undoMsg = 'nochange';
1144 $content = false;
1145 } else {
1146 # Inform the user of our success and set an automatic edit summary
1147 $undoMsg = 'success';
1148
1149 # If we just undid one rev, use an autosummary
1150 $firstrev = $oldrev->getNext();
1151 if ( $firstrev && $firstrev->getId() == $undo ) {
1152 $userText = $undorev->getUserText();
1153 if ( $userText === '' ) {
1154 $undoSummary = wfMessage(
1155 'undo-summary-username-hidden',
1156 $undo
1157 )->inContentLanguage()->text();
1158 } else {
1159 $undoSummary = wfMessage(
1160 'undo-summary',
1161 $undo,
1162 $userText
1163 )->inContentLanguage()->text();
1164 }
1165 if ( $this->summary === '' ) {
1166 $this->summary = $undoSummary;
1167 } else {
1168 $this->summary = $undoSummary . wfMessage( 'colon-separator' )
1169 ->inContentLanguage()->text() . $this->summary;
1170 }
1171 $this->undidRev = $undo;
1172 }
1173 $this->formtype = 'diff';
1174 }
1175 }
1176 } else {
1177 // Failed basic sanity checks.
1178 // Older revisions may have been removed since the link
1179 // was created, or we may simply have got bogus input.
1180 $undoMsg = 'norev';
1181 }
1182
1183 // Messages: undo-success, undo-failure, undo-norev, undo-nochange
1184 $class = ( $undoMsg == 'success' ? '' : 'error ' ) . "mw-undo-{$undoMsg}";
1185 $this->editFormPageTop .= $this->context->getOutput()->parse(
1186 "<div class=\"{$class}\">" .
1187 wfMessage( 'undo-' . $undoMsg )->plain() . '</div>', true, /* interface */true );
1188 }
1189
1190 if ( $content === false ) {
1191 $content = $this->getOriginalContent( $user );
1192 }
1193 }
1194 }
1195
1196 return $content;
1197 }
1198
1199 /**
1200 * Get the content of the wanted revision, without section extraction.
1201 *
1202 * The result of this function can be used to compare user's input with
1203 * section replaced in its context (using WikiPage::replaceSectionAtRev())
1204 * to the original text of the edit.
1205 *
1206 * This differs from Article::getContent() that when a missing revision is
1207 * encountered the result will be null and not the
1208 * 'missing-revision' message.
1209 *
1210 * @since 1.19
1211 * @param User $user The user to get the revision for
1212 * @return Content|null
1213 */
1214 private function getOriginalContent( User $user ) {
1215 if ( $this->section == 'new' ) {
1216 return $this->getCurrentContent();
1217 }
1218 $revision = $this->mArticle->getRevisionFetched();
1219 if ( $revision === null ) {
1220 if ( !$this->contentModel ) {
1221 $this->contentModel = $this->getTitle()->getContentModel();
1222 }
1223 $handler = ContentHandler::getForModelID( $this->contentModel );
1224
1225 return $handler->makeEmptyContent();
1226 }
1227 $content = $revision->getContent( Revision::FOR_THIS_USER, $user );
1228 return $content;
1229 }
1230
1231 /**
1232 * Get the edit's parent revision ID
1233 *
1234 * The "parent" revision is the ancestor that should be recorded in this
1235 * page's revision history. It is either the revision ID of the in-memory
1236 * article content, or in the case of a 3-way merge in order to rebase
1237 * across a recoverable edit conflict, the ID of the newer revision to
1238 * which we have rebased this page.
1239 *
1240 * @since 1.27
1241 * @return int Revision ID
1242 */
1243 public function getParentRevId() {
1244 if ( $this->parentRevId ) {
1245 return $this->parentRevId;
1246 } else {
1247 return $this->mArticle->getRevIdFetched();
1248 }
1249 }
1250
1251 /**
1252 * Get the current content of the page. This is basically similar to
1253 * WikiPage::getContent( Revision::RAW ) except that when the page doesn't exist an empty
1254 * content object is returned instead of null.
1255 *
1256 * @since 1.21
1257 * @return Content
1258 */
1259 protected function getCurrentContent() {
1260 $rev = $this->page->getRevision();
1261 $content = $rev ? $rev->getContent( Revision::RAW ) : null;
1262
1263 if ( $content === false || $content === null ) {
1264 if ( !$this->contentModel ) {
1265 $this->contentModel = $this->getTitle()->getContentModel();
1266 }
1267 $handler = ContentHandler::getForModelID( $this->contentModel );
1268
1269 return $handler->makeEmptyContent();
1270 } else {
1271 // Content models should always be the same since we error
1272 // out if they are different before this point.
1273 $logger = LoggerFactory::getInstance( 'editpage' );
1274 if ( $this->contentModel !== $rev->getContentModel() ) {
1275 $logger->warning( "Overriding content model from current edit {prev} to {new}", [
1276 'prev' => $this->contentModel,
1277 'new' => $rev->getContentModel(),
1278 'title' => $this->getTitle()->getPrefixedDBkey(),
1279 'method' => __METHOD__
1280 ] );
1281 $this->contentModel = $rev->getContentModel();
1282 }
1283
1284 // Given that the content models should match, the current selected
1285 // format should be supported.
1286 if ( !$content->isSupportedFormat( $this->contentFormat ) ) {
1287 $logger->warning( "Current revision content format unsupported. Overriding {prev} to {new}", [
1288
1289 'prev' => $this->contentFormat,
1290 'new' => $rev->getContentFormat(),
1291 'title' => $this->getTitle()->getPrefixedDBkey(),
1292 'method' => __METHOD__
1293 ] );
1294 $this->contentFormat = $rev->getContentFormat();
1295 }
1296
1297 return $content;
1298 }
1299 }
1300
1301 /**
1302 * Use this method before edit() to preload some content into the edit box
1303 *
1304 * @param Content $content
1305 *
1306 * @since 1.21
1307 */
1308 public function setPreloadedContent( Content $content ) {
1309 $this->mPreloadContent = $content;
1310 }
1311
1312 /**
1313 * Get the contents to be preloaded into the box, either set by
1314 * an earlier setPreloadText() or by loading the given page.
1315 *
1316 * @param string $preload Representing the title to preload from.
1317 * @param array $params Parameters to use (interface-message style) in the preloaded text
1318 *
1319 * @return Content
1320 *
1321 * @since 1.21
1322 */
1323 protected function getPreloadedContent( $preload, $params = [] ) {
1324 global $wgUser;
1325
1326 if ( !empty( $this->mPreloadContent ) ) {
1327 return $this->mPreloadContent;
1328 }
1329
1330 $handler = ContentHandler::getForModelID( $this->contentModel );
1331
1332 if ( $preload === '' ) {
1333 return $handler->makeEmptyContent();
1334 }
1335
1336 $title = Title::newFromText( $preload );
1337 # Check for existence to avoid getting MediaWiki:Noarticletext
1338 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1339 // TODO: somehow show a warning to the user!
1340 return $handler->makeEmptyContent();
1341 }
1342
1343 $page = WikiPage::factory( $title );
1344 if ( $page->isRedirect() ) {
1345 $title = $page->getRedirectTarget();
1346 # Same as before
1347 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1348 // TODO: somehow show a warning to the user!
1349 return $handler->makeEmptyContent();
1350 }
1351 $page = WikiPage::factory( $title );
1352 }
1353
1354 $parserOptions = ParserOptions::newFromUser( $wgUser );
1355 $content = $page->getContent( Revision::RAW );
1356
1357 if ( !$content ) {
1358 // TODO: somehow show a warning to the user!
1359 return $handler->makeEmptyContent();
1360 }
1361
1362 if ( $content->getModel() !== $handler->getModelID() ) {
1363 $converted = $content->convert( $handler->getModelID() );
1364
1365 if ( !$converted ) {
1366 // TODO: somehow show a warning to the user!
1367 wfDebug( "Attempt to preload incompatible content: " .
1368 "can't convert " . $content->getModel() .
1369 " to " . $handler->getModelID() );
1370
1371 return $handler->makeEmptyContent();
1372 }
1373
1374 $content = $converted;
1375 }
1376
1377 return $content->preloadTransform( $title, $parserOptions, $params );
1378 }
1379
1380 /**
1381 * Make sure the form isn't faking a user's credentials.
1382 *
1383 * @param WebRequest $request
1384 * @return bool
1385 * @private
1386 */
1387 function tokenOk( &$request ) {
1388 $token = $request->getVal( 'wpEditToken' );
1389 $user = $this->context->getUser();
1390 $this->mTokenOk = $user->matchEditToken( $token );
1391 $this->mTokenOkExceptSuffix = $user->matchEditTokenNoSuffix( $token );
1392 return $this->mTokenOk;
1393 }
1394
1395 /**
1396 * Sets post-edit cookie indicating the user just saved a particular revision.
1397 *
1398 * This uses a temporary cookie for each revision ID so separate saves will never
1399 * interfere with each other.
1400 *
1401 * The cookie is deleted in the mediawiki.action.view.postEdit JS module after
1402 * the redirect. It must be clearable by JavaScript code, so it must not be
1403 * marked HttpOnly. The JavaScript code converts the cookie to a wgPostEdit config
1404 * variable.
1405 *
1406 * If the variable were set on the server, it would be cached, which is unwanted
1407 * since the post-edit state should only apply to the load right after the save.
1408 *
1409 * @param int $statusValue The status value (to check for new article status)
1410 */
1411 protected function setPostEditCookie( $statusValue ) {
1412 $revisionId = $this->page->getLatest();
1413 $postEditKey = self::POST_EDIT_COOKIE_KEY_PREFIX . $revisionId;
1414
1415 $val = 'saved';
1416 if ( $statusValue == self::AS_SUCCESS_NEW_ARTICLE ) {
1417 $val = 'created';
1418 } elseif ( $this->oldid ) {
1419 $val = 'restored';
1420 }
1421
1422 $response = $this->context->getRequest()->response();
1423 $response->setCookie( $postEditKey, $val, time() + self::POST_EDIT_COOKIE_DURATION, [
1424 'httpOnly' => false,
1425 ] );
1426 }
1427
1428 /**
1429 * Attempt submission
1430 * @param array|bool $resultDetails See docs for $result in internalAttemptSave
1431 * @throws UserBlockedError|ReadOnlyError|ThrottledError|PermissionsError
1432 * @return Status The resulting status object.
1433 */
1434 public function attemptSave( &$resultDetails = false ) {
1435 # Allow bots to exempt some edits from bot flagging
1436 $bot = $this->context->getUser()->isAllowed( 'bot' ) && $this->bot;
1437 $status = $this->internalAttemptSave( $resultDetails, $bot );
1438
1439 Hooks::run( 'EditPage::attemptSave:after', [ $this, $status, $resultDetails ] );
1440
1441 return $status;
1442 }
1443
1444 /**
1445 * Handle status, such as after attempt save
1446 *
1447 * @param Status $status
1448 * @param array|bool $resultDetails
1449 *
1450 * @throws ErrorPageError
1451 * @return bool False, if output is done, true if rest of the form should be displayed
1452 */
1453 private function handleStatus( Status $status, $resultDetails ) {
1454 /**
1455 * @todo FIXME: once the interface for internalAttemptSave() is made
1456 * nicer, this should use the message in $status
1457 */
1458 if ( $status->value == self::AS_SUCCESS_UPDATE
1459 || $status->value == self::AS_SUCCESS_NEW_ARTICLE
1460 ) {
1461 $this->didSave = true;
1462 if ( !$resultDetails['nullEdit'] ) {
1463 $this->setPostEditCookie( $status->value );
1464 }
1465 }
1466
1467 $out = $this->context->getOutput();
1468
1469 // "wpExtraQueryRedirect" is a hidden input to modify
1470 // after save URL and is not used by actual edit form
1471 $request = $this->context->getRequest();
1472 $extraQueryRedirect = $request->getVal( 'wpExtraQueryRedirect' );
1473
1474 switch ( $status->value ) {
1475 case self::AS_HOOK_ERROR_EXPECTED:
1476 case self::AS_CONTENT_TOO_BIG:
1477 case self::AS_ARTICLE_WAS_DELETED:
1478 case self::AS_CONFLICT_DETECTED:
1479 case self::AS_SUMMARY_NEEDED:
1480 case self::AS_TEXTBOX_EMPTY:
1481 case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
1482 case self::AS_END:
1483 case self::AS_BLANK_ARTICLE:
1484 case self::AS_SELF_REDIRECT:
1485 return true;
1486
1487 case self::AS_HOOK_ERROR:
1488 return false;
1489
1490 case self::AS_CANNOT_USE_CUSTOM_MODEL:
1491 case self::AS_PARSE_ERROR:
1492 $out->addWikiText( '<div class="error">' . "\n" . $status->getWikiText() . '</div>' );
1493 return true;
1494
1495 case self::AS_SUCCESS_NEW_ARTICLE:
1496 $query = $resultDetails['redirect'] ? 'redirect=no' : '';
1497 if ( $extraQueryRedirect ) {
1498 if ( $query === '' ) {
1499 $query = $extraQueryRedirect;
1500 } else {
1501 $query = $query . '&' . $extraQueryRedirect;
1502 }
1503 }
1504 $anchor = isset( $resultDetails['sectionanchor'] ) ? $resultDetails['sectionanchor'] : '';
1505 $out->redirect( $this->mTitle->getFullURL( $query ) . $anchor );
1506 return false;
1507
1508 case self::AS_SUCCESS_UPDATE:
1509 $extraQuery = '';
1510 $sectionanchor = $resultDetails['sectionanchor'];
1511
1512 // Give extensions a chance to modify URL query on update
1513 Hooks::run(
1514 'ArticleUpdateBeforeRedirect',
1515 [ $this->mArticle, &$sectionanchor, &$extraQuery ]
1516 );
1517
1518 if ( $resultDetails['redirect'] ) {
1519 if ( $extraQuery == '' ) {
1520 $extraQuery = 'redirect=no';
1521 } else {
1522 $extraQuery = 'redirect=no&' . $extraQuery;
1523 }
1524 }
1525 if ( $extraQueryRedirect ) {
1526 if ( $extraQuery === '' ) {
1527 $extraQuery = $extraQueryRedirect;
1528 } else {
1529 $extraQuery = $extraQuery . '&' . $extraQueryRedirect;
1530 }
1531 }
1532
1533 $out->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
1534 return false;
1535
1536 case self::AS_SPAM_ERROR:
1537 $this->spamPageWithContent( $resultDetails['spam'] );
1538 return false;
1539
1540 case self::AS_BLOCKED_PAGE_FOR_USER:
1541 throw new UserBlockedError( $this->context->getUser()->getBlock() );
1542
1543 case self::AS_IMAGE_REDIRECT_ANON:
1544 case self::AS_IMAGE_REDIRECT_LOGGED:
1545 throw new PermissionsError( 'upload' );
1546
1547 case self::AS_READ_ONLY_PAGE_ANON:
1548 case self::AS_READ_ONLY_PAGE_LOGGED:
1549 throw new PermissionsError( 'edit' );
1550
1551 case self::AS_READ_ONLY_PAGE:
1552 throw new ReadOnlyError;
1553
1554 case self::AS_RATE_LIMITED:
1555 throw new ThrottledError();
1556
1557 case self::AS_NO_CREATE_PERMISSION:
1558 $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
1559 throw new PermissionsError( $permission );
1560
1561 case self::AS_NO_CHANGE_CONTENT_MODEL:
1562 throw new PermissionsError( 'editcontentmodel' );
1563
1564 default:
1565 // We don't recognize $status->value. The only way that can happen
1566 // is if an extension hook aborted from inside ArticleSave.
1567 // Render the status object into $this->hookError
1568 // FIXME this sucks, we should just use the Status object throughout
1569 $this->hookError = '<div class="error">' ."\n" . $status->getWikiText() .
1570 '</div>';
1571 return true;
1572 }
1573 }
1574
1575 /**
1576 * Run hooks that can filter edits just before they get saved.
1577 *
1578 * @param Content $content The Content to filter.
1579 * @param Status $status For reporting the outcome to the caller
1580 * @param User $user The user performing the edit
1581 *
1582 * @return bool
1583 */
1584 protected function runPostMergeFilters( Content $content, Status $status, User $user ) {
1585 // Run old style post-section-merge edit filter
1586 if ( !ContentHandler::runLegacyHooks( 'EditFilterMerged',
1587 [ $this, $content, &$this->hookError, $this->summary ] )
1588 ) {
1589 # Error messages etc. could be handled within the hook...
1590 $status->fatal( 'hookaborted' );
1591 $status->value = self::AS_HOOK_ERROR;
1592 return false;
1593 } elseif ( $this->hookError != '' ) {
1594 # ...or the hook could be expecting us to produce an error
1595 $status->fatal( 'hookaborted' );
1596 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1597 return false;
1598 }
1599
1600 // Run new style post-section-merge edit filter
1601 if ( !Hooks::run( 'EditFilterMergedContent',
1602 [ $this->context, $content, $status, $this->summary,
1603 $user, $this->minoredit ] )
1604 ) {
1605 # Error messages etc. could be handled within the hook...
1606 if ( $status->isGood() ) {
1607 $status->fatal( 'hookaborted' );
1608 // Not setting $this->hookError here is a hack to allow the hook
1609 // to cause a return to the edit page without $this->hookError
1610 // being set. This is used by ConfirmEdit to display a captcha
1611 // without any error message cruft.
1612 } else {
1613 $this->hookError = $status->getWikiText();
1614 }
1615 // Use the existing $status->value if the hook set it
1616 if ( !$status->value ) {
1617 $status->value = self::AS_HOOK_ERROR;
1618 }
1619 return false;
1620 } elseif ( !$status->isOK() ) {
1621 # ...or the hook could be expecting us to produce an error
1622 // FIXME this sucks, we should just use the Status object throughout
1623 $this->hookError = $status->getWikiText();
1624 $status->fatal( 'hookaborted' );
1625 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1626 return false;
1627 }
1628
1629 return true;
1630 }
1631
1632 /**
1633 * Return the summary to be used for a new section.
1634 *
1635 * @param string $sectionanchor Set to the section anchor text
1636 * @return string
1637 */
1638 private function newSectionSummary( &$sectionanchor = null ) {
1639 global $wgParser;
1640
1641 if ( $this->sectiontitle !== '' ) {
1642 $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->sectiontitle );
1643 // If no edit summary was specified, create one automatically from the section
1644 // title and have it link to the new section. Otherwise, respect the summary as
1645 // passed.
1646 if ( $this->summary === '' ) {
1647 $cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
1648 return wfMessage( 'newsectionsummary' )
1649 ->rawParams( $cleanSectionTitle )->inContentLanguage()->text();
1650 }
1651 } elseif ( $this->summary !== '' ) {
1652 $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
1653 # This is a new section, so create a link to the new section
1654 # in the revision summary.
1655 $cleanSummary = $wgParser->stripSectionName( $this->summary );
1656 return wfMessage( 'newsectionsummary' )
1657 ->rawParams( $cleanSummary )->inContentLanguage()->text();
1658 }
1659 return $this->summary;
1660 }
1661
1662 /**
1663 * Attempt submission (no UI)
1664 *
1665 * @param array $result Array to add statuses to, currently with the
1666 * possible keys:
1667 * - spam (string): Spam string from content if any spam is detected by
1668 * matchSpamRegex.
1669 * - sectionanchor (string): Section anchor for a section save.
1670 * - nullEdit (boolean): Set if doEditContent is OK. True if null edit,
1671 * false otherwise.
1672 * - redirect (bool): Set if doEditContent is OK. True if resulting
1673 * revision is a redirect.
1674 * @param bool $bot True if edit is being made under the bot right.
1675 *
1676 * @return Status Status object, possibly with a message, but always with
1677 * one of the AS_* constants in $status->value,
1678 *
1679 * @todo FIXME: This interface is TERRIBLE, but hard to get rid of due to
1680 * various error display idiosyncrasies. There are also lots of cases
1681 * where error metadata is set in the object and retrieved later instead
1682 * of being returned, e.g. AS_CONTENT_TOO_BIG and
1683 * AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some
1684 * time.
1685 */
1686 function internalAttemptSave( &$result, $bot = false ) {
1687 global $wgParser, $wgMaxArticleSize, $wgContentHandlerUseDB;
1688
1689 $status = Status::newGood();
1690 $user = $this->context->getUser();
1691 $request = $this->context->getRequest();
1692
1693 if ( !Hooks::run( 'EditPage::attemptSave', [ $this ] ) ) {
1694 wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
1695 $status->fatal( 'hookaborted' );
1696 $status->value = self::AS_HOOK_ERROR;
1697 return $status;
1698 }
1699
1700 $spam = $request->getText( 'wpAntispam' );
1701 if ( $spam !== '' ) {
1702 wfDebugLog(
1703 'SimpleAntiSpam',
1704 $user->getName() .
1705 ' editing "' .
1706 $this->mTitle->getPrefixedText() .
1707 '" submitted bogus field "' .
1708 $spam .
1709 '"'
1710 );
1711 $status->fatal( 'spamprotectionmatch', false );
1712 $status->value = self::AS_SPAM_ERROR;
1713 return $status;
1714 }
1715
1716 try {
1717 # Construct Content object
1718 $textbox_content = $this->toEditContent( $this->textbox1 );
1719 } catch ( MWContentSerializationException $ex ) {
1720 $status->fatal(
1721 'content-failed-to-parse',
1722 $this->contentModel,
1723 $this->contentFormat,
1724 $ex->getMessage()
1725 );
1726 $status->value = self::AS_PARSE_ERROR;
1727 return $status;
1728 }
1729
1730 # Check image redirect
1731 if ( $this->mTitle->getNamespace() == NS_FILE &&
1732 $textbox_content->isRedirect() &&
1733 !$user->isAllowed( 'upload' )
1734 ) {
1735 $code = $user->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
1736 $status->setResult( false, $code );
1737
1738 return $status;
1739 }
1740
1741 # Check for spam
1742 $match = self::matchSummarySpamRegex( $this->summary );
1743 if ( $match === false && $this->section == 'new' ) {
1744 # $wgSpamRegex is enforced on this new heading/summary because, unlike
1745 # regular summaries, it is added to the actual wikitext.
1746 if ( $this->sectiontitle !== '' ) {
1747 # This branch is taken when the API is used with the 'sectiontitle' parameter.
1748 $match = self::matchSpamRegex( $this->sectiontitle );
1749 } else {
1750 # This branch is taken when the "Add Topic" user interface is used, or the API
1751 # is used with the 'summary' parameter.
1752 $match = self::matchSpamRegex( $this->summary );
1753 }
1754 }
1755 if ( $match === false ) {
1756 $match = self::matchSpamRegex( $this->textbox1 );
1757 }
1758 if ( $match !== false ) {
1759 $result['spam'] = $match;
1760 $ip = $request->getIP();
1761 $pdbk = $this->mTitle->getPrefixedDBkey();
1762 $match = str_replace( "\n", '', $match );
1763 wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
1764 $status->fatal( 'spamprotectionmatch', $match );
1765 $status->value = self::AS_SPAM_ERROR;
1766 return $status;
1767 }
1768 if ( !Hooks::run(
1769 'EditFilter',
1770 [ $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ] )
1771 ) {
1772 # Error messages etc. could be handled within the hook...
1773 $status->fatal( 'hookaborted' );
1774 $status->value = self::AS_HOOK_ERROR;
1775 return $status;
1776 } elseif ( $this->hookError != '' ) {
1777 # ...or the hook could be expecting us to produce an error
1778 $status->fatal( 'hookaborted' );
1779 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1780 return $status;
1781 }
1782
1783 if ( $user->isBlockedFrom( $this->mTitle, false ) ) {
1784 // Auto-block user's IP if the account was "hard" blocked
1785 if ( !wfReadOnly() ) {
1786 $user->spreadAnyEditBlock();
1787 }
1788 # Check block state against master, thus 'false'.
1789 $status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
1790 return $status;
1791 }
1792
1793 $this->contentLength = strlen( $this->textbox1 );
1794 if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
1795 // Error will be displayed by showEditForm()
1796 $this->tooBig = true;
1797 $status->setResult( false, self::AS_CONTENT_TOO_BIG );
1798 return $status;
1799 }
1800
1801 if ( !$user->isAllowed( 'edit' ) ) {
1802 if ( $user->isAnon() ) {
1803 $status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
1804 return $status;
1805 } else {
1806 $status->fatal( 'readonlytext' );
1807 $status->value = self::AS_READ_ONLY_PAGE_LOGGED;
1808 return $status;
1809 }
1810 }
1811
1812 $changingContentModel = false;
1813 if ( $this->contentModel !== $this->mTitle->getContentModel() ) {
1814 if ( !$wgContentHandlerUseDB ) {
1815 $status->fatal( 'editpage-cannot-use-custom-model' );
1816 $status->value = self::AS_CANNOT_USE_CUSTOM_MODEL;
1817 return $status;
1818 } elseif ( !$user->isAllowed( 'editcontentmodel' ) ) {
1819 $status->setResult( false, self::AS_NO_CHANGE_CONTENT_MODEL );
1820 return $status;
1821
1822 }
1823 $changingContentModel = true;
1824 $oldContentModel = $this->mTitle->getContentModel();
1825 }
1826
1827 if ( $this->changeTags ) {
1828 $changeTagsStatus = ChangeTags::canAddTagsAccompanyingChange(
1829 $this->changeTags, $user );
1830 if ( !$changeTagsStatus->isOK() ) {
1831 $changeTagsStatus->value = self::AS_CHANGE_TAG_ERROR;
1832 return $changeTagsStatus;
1833 }
1834 }
1835
1836 if ( wfReadOnly() ) {
1837 $status->fatal( 'readonlytext' );
1838 $status->value = self::AS_READ_ONLY_PAGE;
1839 return $status;
1840 }
1841 if ( $user->pingLimiter() || $user->pingLimiter( 'linkpurge', 0 ) ) {
1842 $status->fatal( 'actionthrottledtext' );
1843 $status->value = self::AS_RATE_LIMITED;
1844 return $status;
1845 }
1846
1847 # If the article has been deleted while editing, don't save it without
1848 # confirmation
1849 if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
1850 $status->setResult( false, self::AS_ARTICLE_WAS_DELETED );
1851 return $status;
1852 }
1853
1854 # Load the page data from the master. If anything changes in the meantime,
1855 # we detect it by using page_latest like a token in a 1 try compare-and-swap.
1856 $this->page->loadPageData( 'fromdbmaster' );
1857 $new = !$this->page->exists();
1858
1859 if ( $new ) {
1860 // Late check for create permission, just in case *PARANOIA*
1861 if ( !$this->mTitle->userCan( 'create', $user ) ) {
1862 $status->fatal( 'nocreatetext' );
1863 $status->value = self::AS_NO_CREATE_PERMISSION;
1864 wfDebug( __METHOD__ . ": no create permission\n" );
1865 return $status;
1866 }
1867
1868 // Don't save a new page if it's blank or if it's a MediaWiki:
1869 // message with content equivalent to default (allow empty pages
1870 // in this case to disable messages, see bug 50124)
1871 $defaultMessageText = $this->mTitle->getDefaultMessageText();
1872 if ( $this->mTitle->getNamespace() === NS_MEDIAWIKI && $defaultMessageText !== false ) {
1873 $defaultText = $defaultMessageText;
1874 } else {
1875 $defaultText = '';
1876 }
1877
1878 if ( !$this->allowBlankArticle && $this->textbox1 === $defaultText ) {
1879 $this->blankArticle = true;
1880 $status->fatal( 'blankarticle' );
1881 $status->setResult( false, self::AS_BLANK_ARTICLE );
1882 return $status;
1883 }
1884
1885 if ( !$this->runPostMergeFilters( $textbox_content, $status, $user ) ) {
1886 return $status;
1887 }
1888
1889 $content = $textbox_content;
1890
1891 $result['sectionanchor'] = '';
1892 if ( $this->section == 'new' ) {
1893 if ( $this->sectiontitle !== '' ) {
1894 // Insert the section title above the content.
1895 $content = $content->addSectionHeader( $this->sectiontitle );
1896 } elseif ( $this->summary !== '' ) {
1897 // Insert the section title above the content.
1898 $content = $content->addSectionHeader( $this->summary );
1899 }
1900 $this->summary = $this->newSectionSummary( $result['sectionanchor'] );
1901 }
1902
1903 $status->value = self::AS_SUCCESS_NEW_ARTICLE;
1904
1905 } else { # not $new
1906
1907 # Article exists. Check for edit conflict.
1908
1909 $this->page->clear(); # Force reload of dates, etc.
1910 $timestamp = $this->page->getTimestamp();
1911 $latest = $this->page->getLatest();
1912
1913 wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
1914
1915 // Check editRevId if set, which handles same-second timestamp collisions
1916 if ( $timestamp != $this->edittime
1917 || ( $this->editRevId !== null && $this->editRevId != $latest )
1918 ) {
1919 $this->isConflict = true;
1920 if ( $this->section == 'new' ) {
1921 if ( $this->page->getUserText() == $user->getName() &&
1922 $this->page->getComment() == $this->newSectionSummary()
1923 ) {
1924 // Probably a duplicate submission of a new comment.
1925 // This can happen when CDN resends a request after
1926 // a timeout but the first one actually went through.
1927 wfDebug( __METHOD__
1928 . ": duplicate new section submission; trigger edit conflict!\n" );
1929 } else {
1930 // New comment; suppress conflict.
1931 $this->isConflict = false;
1932 wfDebug( __METHOD__ . ": conflict suppressed; new section\n" );
1933 }
1934 } elseif ( $this->section == ''
1935 && Revision::userWasLastToEdit(
1936 DB_MASTER, $this->mTitle->getArticleID(),
1937 $user->getId(), $this->edittime
1938 )
1939 ) {
1940 # Suppress edit conflict with self, except for section edits where merging is required.
1941 wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
1942 $this->isConflict = false;
1943 }
1944 }
1945
1946 // If sectiontitle is set, use it, otherwise use the summary as the section title.
1947 if ( $this->sectiontitle !== '' ) {
1948 $sectionTitle = $this->sectiontitle;
1949 } else {
1950 $sectionTitle = $this->summary;
1951 }
1952
1953 $content = null;
1954
1955 if ( $this->isConflict ) {
1956 wfDebug( __METHOD__
1957 . ": conflict! getting section '{$this->section}' for time '{$this->edittime}'"
1958 . " (id '{$this->editRevId}') (article time '{$timestamp}')\n" );
1959 // @TODO: replaceSectionAtRev() with base ID (not prior current) for ?oldid=X case
1960 // ...or disable section editing for non-current revisions (not exposed anyway).
1961 if ( $this->editRevId !== null ) {
1962 $content = $this->page->replaceSectionAtRev(
1963 $this->section,
1964 $textbox_content,
1965 $sectionTitle,
1966 $this->editRevId
1967 );
1968 } else {
1969 $content = $this->page->replaceSectionContent(
1970 $this->section,
1971 $textbox_content,
1972 $sectionTitle,
1973 $this->edittime
1974 );
1975 }
1976 } else {
1977 wfDebug( __METHOD__ . ": getting section '{$this->section}'\n" );
1978 $content = $this->page->replaceSectionContent(
1979 $this->section,
1980 $textbox_content,
1981 $sectionTitle
1982 );
1983 }
1984
1985 if ( is_null( $content ) ) {
1986 wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
1987 $this->isConflict = true;
1988 $content = $textbox_content; // do not try to merge here!
1989 } elseif ( $this->isConflict ) {
1990 # Attempt merge
1991 if ( $this->mergeChangesIntoContent( $content ) ) {
1992 // Successful merge! Maybe we should tell the user the good news?
1993 $this->isConflict = false;
1994 wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
1995 } else {
1996 $this->section = '';
1997 $this->textbox1 = ContentHandler::getContentText( $content );
1998 wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
1999 }
2000 }
2001
2002 if ( $this->isConflict ) {
2003 $status->setResult( false, self::AS_CONFLICT_DETECTED );
2004 return $status;
2005 }
2006
2007 if ( !$this->runPostMergeFilters( $content, $status, $user ) ) {
2008 return $status;
2009 }
2010
2011 if ( $this->section == 'new' ) {
2012 // Handle the user preference to force summaries here
2013 if ( !$this->allowBlankSummary && trim( $this->summary ) == '' ) {
2014 $this->missingSummary = true;
2015 $status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
2016 $status->value = self::AS_SUMMARY_NEEDED;
2017 return $status;
2018 }
2019
2020 // Do not allow the user to post an empty comment
2021 if ( $this->textbox1 == '' ) {
2022 $this->missingComment = true;
2023 $status->fatal( 'missingcommenttext' );
2024 $status->value = self::AS_TEXTBOX_EMPTY;
2025 return $status;
2026 }
2027 } elseif ( !$this->allowBlankSummary
2028 && !$content->equals( $this->getOriginalContent( $user ) )
2029 && !$content->isRedirect()
2030 && md5( $this->summary ) == $this->autoSumm
2031 ) {
2032 $this->missingSummary = true;
2033 $status->fatal( 'missingsummary' );
2034 $status->value = self::AS_SUMMARY_NEEDED;
2035 return $status;
2036 }
2037
2038 # All's well
2039 $sectionanchor = '';
2040 if ( $this->section == 'new' ) {
2041 $this->summary = $this->newSectionSummary( $sectionanchor );
2042 } elseif ( $this->section != '' ) {
2043 # Try to get a section anchor from the section source, redirect
2044 # to edited section if header found.
2045 # XXX: Might be better to integrate this into Article::replaceSectionAtRev
2046 # for duplicate heading checking and maybe parsing.
2047 $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
2048 # We can't deal with anchors, includes, html etc in the header for now,
2049 # headline would need to be parsed to improve this.
2050 if ( $hasmatch && strlen( $matches[2] ) > 0 ) {
2051 $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $matches[2] );
2052 }
2053 }
2054 $result['sectionanchor'] = $sectionanchor;
2055
2056 // Save errors may fall down to the edit form, but we've now
2057 // merged the section into full text. Clear the section field
2058 // so that later submission of conflict forms won't try to
2059 // replace that into a duplicated mess.
2060 $this->textbox1 = $this->toEditText( $content );
2061 $this->section = '';
2062
2063 $status->value = self::AS_SUCCESS_UPDATE;
2064 }
2065
2066 if ( !$this->allowSelfRedirect
2067 && $content->isRedirect()
2068 && $content->getRedirectTarget()->equals( $this->getTitle() )
2069 ) {
2070 // If the page already redirects to itself, don't warn.
2071 $currentTarget = $this->getCurrentContent()->getRedirectTarget();
2072 if ( !$currentTarget || !$currentTarget->equals( $this->getTitle() ) ) {
2073 $this->selfRedirect = true;
2074 $status->fatal( 'selfredirect' );
2075 $status->value = self::AS_SELF_REDIRECT;
2076 return $status;
2077 }
2078 }
2079
2080 // Check for length errors again now that the section is merged in
2081 $this->contentLength = strlen( $this->toEditText( $content ) );
2082 if ( $this->contentLength > $wgMaxArticleSize * 1024 ) {
2083 $this->tooBig = true;
2084 $status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
2085 return $status;
2086 }
2087
2088 $flags = EDIT_AUTOSUMMARY |
2089 ( $new ? EDIT_NEW : EDIT_UPDATE ) |
2090 ( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
2091 ( $bot ? EDIT_FORCE_BOT : 0 );
2092
2093 $doEditStatus = $this->page->doEditContent(
2094 $content,
2095 $this->summary,
2096 $flags,
2097 false,
2098 $user,
2099 $content->getDefaultFormat(),
2100 $this->changeTags
2101 );
2102
2103 if ( !$doEditStatus->isOK() ) {
2104 // Failure from doEdit()
2105 // Show the edit conflict page for certain recognized errors from doEdit(),
2106 // but don't show it for errors from extension hooks
2107 $errors = $doEditStatus->getErrorsArray();
2108 if ( in_array( $errors[0][0],
2109 [ 'edit-gone-missing', 'edit-conflict', 'edit-already-exists' ] )
2110 ) {
2111 $this->isConflict = true;
2112 // Destroys data doEdit() put in $status->value but who cares
2113 $doEditStatus->value = self::AS_END;
2114 }
2115 return $doEditStatus;
2116 }
2117
2118 $result['nullEdit'] = $doEditStatus->hasMessage( 'edit-no-change' );
2119 if ( $result['nullEdit'] ) {
2120 // We don't know if it was a null edit until now, so increment here
2121 $user->pingLimiter( 'linkpurge' );
2122 }
2123 $result['redirect'] = $content->isRedirect();
2124
2125 $this->updateWatchlist();
2126
2127 // If the content model changed, add a log entry
2128 if ( $changingContentModel ) {
2129 $this->addContentModelChangeLogEntry(
2130 $user,
2131 $new ? false : $oldContentModel,
2132 $this->contentModel,
2133 $this->summary
2134 );
2135 }
2136
2137 return $status;
2138 }
2139
2140 /**
2141 * @param User $user
2142 * @param string|false $oldModel false if the page is being newly created
2143 * @param string $newModel
2144 * @param string $reason
2145 */
2146 protected function addContentModelChangeLogEntry( User $user, $oldModel, $newModel, $reason ) {
2147 $new = $oldModel === false;
2148 $log = new ManualLogEntry( 'contentmodel', $new ? 'new' : 'change' );
2149 $log->setPerformer( $user );
2150 $log->setTarget( $this->mTitle );
2151 $log->setComment( $reason );
2152 $log->setParameters( [
2153 '4::oldmodel' => $oldModel,
2154 '5::newmodel' => $newModel
2155 ] );
2156 $logid = $log->insert();
2157 $log->publish( $logid );
2158 }
2159
2160 /**
2161 * Register the change of watch status
2162 */
2163 protected function updateWatchlist() {
2164 global $wgUser;
2165
2166 if ( !$wgUser->isLoggedIn() ) {
2167 return;
2168 }
2169
2170 $user = $wgUser;
2171 $title = $this->mTitle;
2172 $watch = $this->watchthis;
2173 // Do this in its own transaction to reduce contention...
2174 DeferredUpdates::addCallableUpdate( function () use ( $user, $title, $watch ) {
2175 if ( $watch == $user->isWatched( $title, User::IGNORE_USER_RIGHTS ) ) {
2176 return; // nothing to change
2177 }
2178 WatchAction::doWatchOrUnwatch( $watch, $title, $user );
2179 } );
2180 }
2181
2182 /**
2183 * Attempts to do 3-way merge of edit content with a base revision
2184 * and current content, in case of edit conflict, in whichever way appropriate
2185 * for the content type.
2186 *
2187 * @since 1.21
2188 *
2189 * @param Content $editContent
2190 *
2191 * @return bool
2192 */
2193 private function mergeChangesIntoContent( &$editContent ) {
2194
2195 $db = wfGetDB( DB_MASTER );
2196
2197 // This is the revision the editor started from
2198 $baseRevision = $this->getBaseRevision();
2199 $baseContent = $baseRevision ? $baseRevision->getContent() : null;
2200
2201 if ( is_null( $baseContent ) ) {
2202 return false;
2203 }
2204
2205 // The current state, we want to merge updates into it
2206 $currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
2207 $currentContent = $currentRevision ? $currentRevision->getContent() : null;
2208
2209 if ( is_null( $currentContent ) ) {
2210 return false;
2211 }
2212
2213 $handler = ContentHandler::getForModelID( $baseContent->getModel() );
2214
2215 $result = $handler->merge3( $baseContent, $editContent, $currentContent );
2216
2217 if ( $result ) {
2218 $editContent = $result;
2219 // Update parentRevId to what we just merged.
2220 $this->parentRevId = $currentRevision->getId();
2221 return true;
2222 }
2223
2224 return false;
2225 }
2226
2227 /**
2228 * @note: this method is very poorly named. If the user opened the form with ?oldid=X,
2229 * one might think of X as the "base revision", which is NOT what this returns.
2230 * @return Revision Current version when the edit was started
2231 */
2232 function getBaseRevision() {
2233 if ( !$this->mBaseRevision ) {
2234 $db = wfGetDB( DB_MASTER );
2235 $this->mBaseRevision = $this->editRevId
2236 ? Revision::newFromId( $this->editRevId, Revision::READ_LATEST )
2237 : Revision::loadFromTimestamp( $db, $this->mTitle, $this->edittime );
2238 }
2239 return $this->mBaseRevision;
2240 }
2241
2242 /**
2243 * Check given input text against $wgSpamRegex, and return the text of the first match.
2244 *
2245 * @param string $text
2246 *
2247 * @return string|bool Matching string or false
2248 */
2249 public static function matchSpamRegex( $text ) {
2250 global $wgSpamRegex;
2251 // For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
2252 $regexes = (array)$wgSpamRegex;
2253 return self::matchSpamRegexInternal( $text, $regexes );
2254 }
2255
2256 /**
2257 * Check given input text against $wgSummarySpamRegex, and return the text of the first match.
2258 *
2259 * @param string $text
2260 *
2261 * @return string|bool Matching string or false
2262 */
2263 public static function matchSummarySpamRegex( $text ) {
2264 global $wgSummarySpamRegex;
2265 $regexes = (array)$wgSummarySpamRegex;
2266 return self::matchSpamRegexInternal( $text, $regexes );
2267 }
2268
2269 /**
2270 * @param string $text
2271 * @param array $regexes
2272 * @return bool|string
2273 */
2274 protected static function matchSpamRegexInternal( $text, $regexes ) {
2275 foreach ( $regexes as $regex ) {
2276 $matches = [];
2277 if ( preg_match( $regex, $text, $matches ) ) {
2278 return $matches[0];
2279 }
2280 }
2281 return false;
2282 }
2283
2284 function setHeaders() {
2285 global $wgOut, $wgUser, $wgAjaxEditStash;
2286
2287 $wgOut->addModules( 'mediawiki.action.edit' );
2288 $wgOut->addModuleStyles( 'mediawiki.action.edit.styles' );
2289
2290 if ( $wgUser->getOption( 'showtoolbar' ) ) {
2291 // The addition of default buttons is handled by getEditToolbar() which
2292 // has its own dependency on this module. The call here ensures the module
2293 // is loaded in time (it has position "top") for other modules to register
2294 // buttons (e.g. extensions, gadgets, user scripts).
2295 $wgOut->addModules( 'mediawiki.toolbar' );
2296 }
2297
2298 if ( $wgUser->getOption( 'uselivepreview' ) ) {
2299 $wgOut->addModules( 'mediawiki.action.edit.preview' );
2300 }
2301
2302 if ( $wgUser->getOption( 'useeditwarning' ) ) {
2303 $wgOut->addModules( 'mediawiki.action.edit.editWarning' );
2304 }
2305
2306 # Enabled article-related sidebar, toplinks, etc.
2307 $wgOut->setArticleRelated( true );
2308
2309 $contextTitle = $this->getContextTitle();
2310 if ( $this->isConflict ) {
2311 $msg = 'editconflict';
2312 } elseif ( $contextTitle->exists() && $this->section != '' ) {
2313 $msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
2314 } else {
2315 $msg = $contextTitle->exists()
2316 || ( $contextTitle->getNamespace() == NS_MEDIAWIKI
2317 && $contextTitle->getDefaultMessageText() !== false
2318 )
2319 ? 'editing'
2320 : 'creating';
2321 }
2322
2323 # Use the title defined by DISPLAYTITLE magic word when present
2324 # NOTE: getDisplayTitle() returns HTML while getPrefixedText() returns plain text.
2325 # setPageTitle() treats the input as wikitext, which should be safe in either case.
2326 $displayTitle = isset( $this->mParserOutput ) ? $this->mParserOutput->getDisplayTitle() : false;
2327 if ( $displayTitle === false ) {
2328 $displayTitle = $contextTitle->getPrefixedText();
2329 }
2330 $wgOut->setPageTitle( wfMessage( $msg, $displayTitle ) );
2331 # Transmit the name of the message to JavaScript for live preview
2332 # Keep Resources.php/mediawiki.action.edit.preview in sync with the possible keys
2333 $wgOut->addJsConfigVars( [
2334 'wgEditMessage' => $msg,
2335 'wgAjaxEditStash' => $wgAjaxEditStash,
2336 ] );
2337 }
2338
2339 /**
2340 * Show all applicable editing introductions
2341 */
2342 protected function showIntro() {
2343 global $wgOut, $wgUser;
2344 if ( $this->suppressIntro ) {
2345 return;
2346 }
2347
2348 $namespace = $this->mTitle->getNamespace();
2349
2350 if ( $namespace == NS_MEDIAWIKI ) {
2351 # Show a warning if editing an interface message
2352 $wgOut->wrapWikiMsg( "<div class='mw-editinginterface'>\n$1\n</div>", 'editinginterface' );
2353 # If this is a default message (but not css or js),
2354 # show a hint that it is translatable on translatewiki.net
2355 if ( !$this->mTitle->hasContentModel( CONTENT_MODEL_CSS )
2356 && !$this->mTitle->hasContentModel( CONTENT_MODEL_JAVASCRIPT )
2357 ) {
2358 $defaultMessageText = $this->mTitle->getDefaultMessageText();
2359 if ( $defaultMessageText !== false ) {
2360 $wgOut->wrapWikiMsg( "<div class='mw-translateinterface'>\n$1\n</div>",
2361 'translateinterface' );
2362 }
2363 }
2364 } elseif ( $namespace == NS_FILE ) {
2365 # Show a hint to shared repo
2366 $file = wfFindFile( $this->mTitle );
2367 if ( $file && !$file->isLocal() ) {
2368 $descUrl = $file->getDescriptionUrl();
2369 # there must be a description url to show a hint to shared repo
2370 if ( $descUrl ) {
2371 if ( !$this->mTitle->exists() ) {
2372 $wgOut->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-create\">\n$1\n</div>", [
2373 'sharedupload-desc-create', $file->getRepo()->getDisplayName(), $descUrl
2374 ] );
2375 } else {
2376 $wgOut->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-edit\">\n$1\n</div>", [
2377 'sharedupload-desc-edit', $file->getRepo()->getDisplayName(), $descUrl
2378 ] );
2379 }
2380 }
2381 }
2382 }
2383
2384 # Show a warning message when someone creates/edits a user (talk) page but the user does not exist
2385 # Show log extract when the user is currently blocked
2386 if ( $namespace == NS_USER || $namespace == NS_USER_TALK ) {
2387 $username = explode( '/', $this->mTitle->getText(), 2 )[0];
2388 $user = User::newFromName( $username, false /* allow IP users*/ );
2389 $ip = User::isIP( $username );
2390 $block = Block::newFromTarget( $user, $user );
2391 if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
2392 $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n$1\n</div>",
2393 [ 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ] );
2394 } elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
2395 # Show log extract if the user is currently blocked
2396 LogEventsList::showLogExtract(
2397 $wgOut,
2398 'block',
2399 MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
2400 '',
2401 [
2402 'lim' => 1,
2403 'showIfEmpty' => false,
2404 'msgKey' => [
2405 'blocked-notice-logextract',
2406 $user->getName() # Support GENDER in notice
2407 ]
2408 ]
2409 );
2410 }
2411 }
2412 # Try to add a custom edit intro, or use the standard one if this is not possible.
2413 if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
2414 $helpLink = wfExpandUrl( Skin::makeInternalOrExternalUrl(
2415 wfMessage( 'helppage' )->inContentLanguage()->text()
2416 ) );
2417 if ( $wgUser->isLoggedIn() ) {
2418 $wgOut->wrapWikiMsg(
2419 // Suppress the external link icon, consider the help url an internal one
2420 "<div class=\"mw-newarticletext plainlinks\">\n$1\n</div>",
2421 [
2422 'newarticletext',
2423 $helpLink
2424 ]
2425 );
2426 } else {
2427 $wgOut->wrapWikiMsg(
2428 // Suppress the external link icon, consider the help url an internal one
2429 "<div class=\"mw-newarticletextanon plainlinks\">\n$1\n</div>",
2430 [
2431 'newarticletextanon',
2432 $helpLink
2433 ]
2434 );
2435 }
2436 }
2437 # Give a notice if the user is editing a deleted/moved page...
2438 if ( !$this->mTitle->exists() ) {
2439 LogEventsList::showLogExtract( $wgOut, [ 'delete', 'move' ], $this->mTitle,
2440 '',
2441 [
2442 'lim' => 10,
2443 'conds' => [ "log_action != 'revision'" ],
2444 'showIfEmpty' => false,
2445 'msgKey' => [ 'recreate-moveddeleted-warn' ]
2446 ]
2447 );
2448 }
2449 }
2450
2451 /**
2452 * Attempt to show a custom editing introduction, if supplied
2453 *
2454 * @return bool
2455 */
2456 protected function showCustomIntro() {
2457 if ( $this->editintro ) {
2458 $title = Title::newFromText( $this->editintro );
2459 if ( $title instanceof Title && $title->exists() && $title->userCan( 'read' ) ) {
2460 global $wgOut;
2461 // Added using template syntax, to take <noinclude>'s into account.
2462 $wgOut->addWikiTextTitleTidy(
2463 '<div class="mw-editintro">{{:' . $title->getFullText() . '}}</div>',
2464 $this->mTitle
2465 );
2466 return true;
2467 }
2468 }
2469 return false;
2470 }
2471
2472 /**
2473 * Gets an editable textual representation of $content.
2474 * The textual representation can be turned by into a Content object by the
2475 * toEditContent() method.
2476 *
2477 * If $content is null or false or a string, $content is returned unchanged.
2478 *
2479 * If the given Content object is not of a type that can be edited using
2480 * the text base EditPage, an exception will be raised. Set
2481 * $this->allowNonTextContent to true to allow editing of non-textual
2482 * content.
2483 *
2484 * @param Content|null|bool|string $content
2485 * @return string The editable text form of the content.
2486 *
2487 * @throws MWException If $content is not an instance of TextContent and
2488 * $this->allowNonTextContent is not true.
2489 */
2490 protected function toEditText( $content ) {
2491 if ( $content === null || $content === false || is_string( $content ) ) {
2492 return $content;
2493 }
2494
2495 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2496 throw new MWException( 'This content model is not supported: '
2497 . ContentHandler::getLocalizedName( $content->getModel() ) );
2498 }
2499
2500 return $content->serialize( $this->contentFormat );
2501 }
2502
2503 /**
2504 * Turns the given text into a Content object by unserializing it.
2505 *
2506 * If the resulting Content object is not of a type that can be edited using
2507 * the text base EditPage, an exception will be raised. Set
2508 * $this->allowNonTextContent to true to allow editing of non-textual
2509 * content.
2510 *
2511 * @param string|null|bool $text Text to unserialize
2512 * @return Content|bool|null The content object created from $text. If $text was false
2513 * or null, false resp. null will be returned instead.
2514 *
2515 * @throws MWException If unserializing the text results in a Content
2516 * object that is not an instance of TextContent and
2517 * $this->allowNonTextContent is not true.
2518 */
2519 protected function toEditContent( $text ) {
2520 if ( $text === false || $text === null ) {
2521 return $text;
2522 }
2523
2524 $content = ContentHandler::makeContent( $text, $this->getTitle(),
2525 $this->contentModel, $this->contentFormat );
2526
2527 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2528 throw new MWException( 'This content model is not supported: '
2529 . ContentHandler::getLocalizedName( $content->getModel() ) );
2530 }
2531
2532 return $content;
2533 }
2534
2535 /**
2536 * Send the edit form and related headers to $wgOut
2537 * @param callable|null $formCallback That takes an OutputPage parameter; will be called
2538 * during form output near the top, for captchas and the like.
2539 *
2540 * The $formCallback parameter is deprecated since MediaWiki 1.25. Please
2541 * use the EditPage::showEditForm:fields hook instead.
2542 */
2543 function showEditForm( $formCallback = null ) {
2544 global $wgOut, $wgUser;
2545
2546 # need to parse the preview early so that we know which templates are used,
2547 # otherwise users with "show preview after edit box" will get a blank list
2548 # we parse this near the beginning so that setHeaders can do the title
2549 # setting work instead of leaving it in getPreviewText
2550 $previewOutput = '';
2551 if ( $this->formtype == 'preview' ) {
2552 $previewOutput = $this->getPreviewText();
2553 }
2554
2555 Hooks::run( 'EditPage::showEditForm:initial', [ &$this, &$wgOut ] );
2556
2557 $this->setHeaders();
2558
2559 if ( $this->showHeader() === false ) {
2560 return;
2561 }
2562
2563 $wgOut->addHTML( $this->editFormPageTop );
2564
2565 if ( $wgUser->getOption( 'previewontop' ) ) {
2566 $this->displayPreviewArea( $previewOutput, true );
2567 }
2568
2569 $wgOut->addHTML( $this->editFormTextTop );
2570
2571 $showToolbar = true;
2572 if ( $this->wasDeletedSinceLastEdit() ) {
2573 if ( $this->formtype == 'save' ) {
2574 // Hide the toolbar and edit area, user can click preview to get it back
2575 // Add an confirmation checkbox and explanation.
2576 $showToolbar = false;
2577 } else {
2578 $wgOut->wrapWikiMsg( "<div class='error mw-deleted-while-editing'>\n$1\n</div>",
2579 'deletedwhileediting' );
2580 }
2581 }
2582
2583 // @todo add EditForm plugin interface and use it here!
2584 // search for textarea1 and textares2, and allow EditForm to override all uses.
2585 $wgOut->addHTML( Html::openElement(
2586 'form',
2587 [
2588 'id' => self::EDITFORM_ID,
2589 'name' => self::EDITFORM_ID,
2590 'method' => 'post',
2591 'action' => $this->getActionURL( $this->getContextTitle() ),
2592 'enctype' => 'multipart/form-data'
2593 ]
2594 ) );
2595
2596 if ( is_callable( $formCallback ) ) {
2597 wfWarn( 'The $formCallback parameter to ' . __METHOD__ . 'is deprecated' );
2598 call_user_func_array( $formCallback, [ &$wgOut ] );
2599 }
2600
2601 // Add an empty field to trip up spambots
2602 $wgOut->addHTML(
2603 Xml::openElement( 'div', [ 'id' => 'antispam-container', 'style' => 'display: none;' ] )
2604 . Html::rawElement(
2605 'label',
2606 [ 'for' => 'wpAntispam' ],
2607 wfMessage( 'simpleantispam-label' )->parse()
2608 )
2609 . Xml::element(
2610 'input',
2611 [
2612 'type' => 'text',
2613 'name' => 'wpAntispam',
2614 'id' => 'wpAntispam',
2615 'value' => ''
2616 ]
2617 )
2618 . Xml::closeElement( 'div' )
2619 );
2620
2621 Hooks::run( 'EditPage::showEditForm:fields', [ &$this, &$wgOut ] );
2622
2623 // Put these up at the top to ensure they aren't lost on early form submission
2624 $this->showFormBeforeText();
2625
2626 if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
2627 $username = $this->lastDelete->user_name;
2628 $comment = $this->lastDelete->log_comment;
2629
2630 // It is better to not parse the comment at all than to have templates expanded in the middle
2631 // TODO: can the checkLabel be moved outside of the div so that wrapWikiMsg could be used?
2632 $key = $comment === ''
2633 ? 'confirmrecreate-noreason'
2634 : 'confirmrecreate';
2635 $wgOut->addHTML(
2636 '<div class="mw-confirm-recreate">' .
2637 wfMessage( $key, $username, "<nowiki>$comment</nowiki>" )->parse() .
2638 Xml::checkLabel( wfMessage( 'recreate' )->text(), 'wpRecreate', 'wpRecreate', false,
2639 [ 'title' => Linker::titleAttrib( 'recreate' ), 'tabindex' => 1, 'id' => 'wpRecreate' ]
2640 ) .
2641 '</div>'
2642 );
2643 }
2644
2645 # When the summary is hidden, also hide them on preview/show changes
2646 if ( $this->nosummary ) {
2647 $wgOut->addHTML( Html::hidden( 'nosummary', true ) );
2648 }
2649
2650 # If a blank edit summary was previously provided, and the appropriate
2651 # user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
2652 # user being bounced back more than once in the event that a summary
2653 # is not required.
2654 # ####
2655 # For a bit more sophisticated detection of blank summaries, hash the
2656 # automatic one and pass that in the hidden field wpAutoSummary.
2657 if ( $this->missingSummary || ( $this->section == 'new' && $this->nosummary ) ) {
2658 $wgOut->addHTML( Html::hidden( 'wpIgnoreBlankSummary', true ) );
2659 }
2660
2661 if ( $this->undidRev ) {
2662 $wgOut->addHTML( Html::hidden( 'wpUndidRevision', $this->undidRev ) );
2663 }
2664
2665 if ( $this->selfRedirect ) {
2666 $wgOut->addHTML( Html::hidden( 'wpIgnoreSelfRedirect', true ) );
2667 }
2668
2669 if ( $this->hasPresetSummary ) {
2670 // If a summary has been preset using &summary= we don't want to prompt for
2671 // a different summary. Only prompt for a summary if the summary is blanked.
2672 // (Bug 17416)
2673 $this->autoSumm = md5( '' );
2674 }
2675
2676 $autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
2677 $wgOut->addHTML( Html::hidden( 'wpAutoSummary', $autosumm ) );
2678
2679 $wgOut->addHTML( Html::hidden( 'oldid', $this->oldid ) );
2680 $wgOut->addHTML( Html::hidden( 'parentRevId', $this->getParentRevId() ) );
2681
2682 $wgOut->addHTML( Html::hidden( 'format', $this->contentFormat ) );
2683 $wgOut->addHTML( Html::hidden( 'model', $this->contentModel ) );
2684
2685 if ( $this->section == 'new' ) {
2686 $this->showSummaryInput( true, $this->summary );
2687 $wgOut->addHTML( $this->getSummaryPreview( true, $this->summary ) );
2688 }
2689
2690 $wgOut->addHTML( $this->editFormTextBeforeContent );
2691
2692 if ( !$this->isCssJsSubpage && $showToolbar && $wgUser->getOption( 'showtoolbar' ) ) {
2693 $wgOut->addHTML( EditPage::getEditToolbar( $this->mTitle ) );
2694 }
2695
2696 if ( $this->blankArticle ) {
2697 $wgOut->addHTML( Html::hidden( 'wpIgnoreBlankArticle', true ) );
2698 }
2699
2700 if ( $this->isConflict ) {
2701 // In an edit conflict bypass the overridable content form method
2702 // and fallback to the raw wpTextbox1 since editconflicts can't be
2703 // resolved between page source edits and custom ui edits using the
2704 // custom edit ui.
2705 $this->textbox2 = $this->textbox1;
2706
2707 $content = $this->getCurrentContent();
2708 $this->textbox1 = $this->toEditText( $content );
2709
2710 $this->showTextbox1();
2711 } else {
2712 $this->showContentForm();
2713 }
2714
2715 $wgOut->addHTML( $this->editFormTextAfterContent );
2716
2717 $this->showStandardInputs();
2718
2719 $this->showFormAfterText();
2720
2721 $this->showTosSummary();
2722
2723 $this->showEditTools();
2724
2725 $wgOut->addHTML( $this->editFormTextAfterTools . "\n" );
2726
2727 $wgOut->addHTML( Html::rawElement( 'div', [ 'class' => 'templatesUsed' ],
2728 Linker::formatTemplates( $this->getTemplates(), $this->preview, $this->section != '' ) ) );
2729
2730 $wgOut->addHTML( Html::rawElement( 'div', [ 'class' => 'hiddencats' ],
2731 Linker::formatHiddenCategories( $this->page->getHiddenCategories() ) ) );
2732
2733 if ( $this->mParserOutput ) {
2734 $wgOut->setLimitReportData( $this->mParserOutput->getLimitReportData() );
2735 }
2736
2737 $wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
2738
2739 if ( $this->isConflict ) {
2740 try {
2741 $this->showConflict();
2742 } catch ( MWContentSerializationException $ex ) {
2743 // this can't really happen, but be nice if it does.
2744 $msg = wfMessage(
2745 'content-failed-to-parse',
2746 $this->contentModel,
2747 $this->contentFormat,
2748 $ex->getMessage()
2749 );
2750 $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>' );
2751 }
2752 }
2753
2754 // Set a hidden field so JS knows what edit form mode we are in
2755 if ( $this->isConflict ) {
2756 $mode = 'conflict';
2757 } elseif ( $this->preview ) {
2758 $mode = 'preview';
2759 } elseif ( $this->diff ) {
2760 $mode = 'diff';
2761 } else {
2762 $mode = 'text';
2763 }
2764 $wgOut->addHTML( Html::hidden( 'mode', $mode, [ 'id' => 'mw-edit-mode' ] ) );
2765
2766 // Marker for detecting truncated form data. This must be the last
2767 // parameter sent in order to be of use, so do not move me.
2768 $wgOut->addHTML( Html::hidden( 'wpUltimateParam', true ) );
2769 $wgOut->addHTML( $this->editFormTextBottom . "\n</form>\n" );
2770
2771 if ( !$wgUser->getOption( 'previewontop' ) ) {
2772 $this->displayPreviewArea( $previewOutput, false );
2773 }
2774
2775 }
2776
2777 /**
2778 * Extract the section title from current section text, if any.
2779 *
2780 * @param string $text
2781 * @return string|bool String or false
2782 */
2783 public static function extractSectionTitle( $text ) {
2784 preg_match( "/^(=+)(.+)\\1\\s*(\n|$)/i", $text, $matches );
2785 if ( !empty( $matches[2] ) ) {
2786 global $wgParser;
2787 return $wgParser->stripSectionName( trim( $matches[2] ) );
2788 } else {
2789 return false;
2790 }
2791 }
2792
2793 /**
2794 * @return bool
2795 */
2796 protected function showHeader() {
2797 global $wgOut, $wgUser, $wgMaxArticleSize, $wgLang;
2798 global $wgAllowUserCss, $wgAllowUserJs;
2799
2800 if ( $this->mTitle->isTalkPage() ) {
2801 $wgOut->addWikiMsg( 'talkpagetext' );
2802 }
2803
2804 // Add edit notices
2805 $editNotices = $this->mTitle->getEditNotices( $this->oldid );
2806 if ( count( $editNotices ) ) {
2807 $wgOut->addHTML( implode( "\n", $editNotices ) );
2808 } else {
2809 $msg = wfMessage( 'editnotice-notext' );
2810 if ( !$msg->isDisabled() ) {
2811 $wgOut->addHTML(
2812 '<div class="mw-editnotice-notext">'
2813 . $msg->parseAsBlock()
2814 . '</div>'
2815 );
2816 }
2817 }
2818
2819 if ( $this->isConflict ) {
2820 $wgOut->wrapWikiMsg( "<div class='mw-explainconflict'>\n$1\n</div>", 'explainconflict' );
2821 $this->editRevId = $this->page->getLatest();
2822 } else {
2823 if ( $this->section != '' && !$this->isSectionEditSupported() ) {
2824 // We use $this->section to much before this and getVal('wgSection') directly in other places
2825 // at this point we can't reset $this->section to '' to fallback to non-section editing.
2826 // Someone is welcome to try refactoring though
2827 $wgOut->showErrorPage( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
2828 return false;
2829 }
2830
2831 if ( $this->section != '' && $this->section != 'new' ) {
2832 if ( !$this->summary && !$this->preview && !$this->diff ) {
2833 $sectionTitle = self::extractSectionTitle( $this->textbox1 ); // FIXME: use Content object
2834 if ( $sectionTitle !== false ) {
2835 $this->summary = "/* $sectionTitle */ ";
2836 }
2837 }
2838 }
2839
2840 if ( $this->missingComment ) {
2841 $wgOut->wrapWikiMsg( "<div id='mw-missingcommenttext'>\n$1\n</div>", 'missingcommenttext' );
2842 }
2843
2844 if ( $this->missingSummary && $this->section != 'new' ) {
2845 $wgOut->wrapWikiMsg( "<div id='mw-missingsummary'>\n$1\n</div>", 'missingsummary' );
2846 }
2847
2848 if ( $this->missingSummary && $this->section == 'new' ) {
2849 $wgOut->wrapWikiMsg( "<div id='mw-missingcommentheader'>\n$1\n</div>", 'missingcommentheader' );
2850 }
2851
2852 if ( $this->blankArticle ) {
2853 $wgOut->wrapWikiMsg( "<div id='mw-blankarticle'>\n$1\n</div>", 'blankarticle' );
2854 }
2855
2856 if ( $this->selfRedirect ) {
2857 $wgOut->wrapWikiMsg( "<div id='mw-selfredirect'>\n$1\n</div>", 'selfredirect' );
2858 }
2859
2860 if ( $this->hookError !== '' ) {
2861 $wgOut->addWikiText( $this->hookError );
2862 }
2863
2864 if ( !$this->checkUnicodeCompliantBrowser() ) {
2865 $wgOut->addWikiMsg( 'nonunicodebrowser' );
2866 }
2867
2868 if ( $this->section != 'new' ) {
2869 $revision = $this->mArticle->getRevisionFetched();
2870 if ( $revision ) {
2871 // Let sysop know that this will make private content public if saved
2872
2873 if ( !$revision->userCan( Revision::DELETED_TEXT, $wgUser ) ) {
2874 $wgOut->wrapWikiMsg(
2875 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
2876 'rev-deleted-text-permission'
2877 );
2878 } elseif ( $revision->isDeleted( Revision::DELETED_TEXT ) ) {
2879 $wgOut->wrapWikiMsg(
2880 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
2881 'rev-deleted-text-view'
2882 );
2883 }
2884
2885 if ( !$revision->isCurrent() ) {
2886 $this->mArticle->setOldSubtitle( $revision->getId() );
2887 $wgOut->addWikiMsg( 'editingold' );
2888 }
2889 } elseif ( $this->mTitle->exists() ) {
2890 // Something went wrong
2891
2892 $wgOut->wrapWikiMsg( "<div class='errorbox'>\n$1\n</div>\n",
2893 [ 'missing-revision', $this->oldid ] );
2894 }
2895 }
2896 }
2897
2898 if ( wfReadOnly() ) {
2899 $wgOut->wrapWikiMsg(
2900 "<div id=\"mw-read-only-warning\">\n$1\n</div>",
2901 [ 'readonlywarning', wfReadOnlyReason() ]
2902 );
2903 } elseif ( $wgUser->isAnon() ) {
2904 if ( $this->formtype != 'preview' ) {
2905 $wgOut->wrapWikiMsg(
2906 "<div id='mw-anon-edit-warning' class='warningbox'>\n$1\n</div>",
2907 [ 'anoneditwarning',
2908 // Log-in link
2909 SpecialPage::getTitleFor( 'Userlogin' )->getFullURL( [
2910 'returnto' => $this->getTitle()->getPrefixedDBkey()
2911 ] ),
2912 // Sign-up link
2913 SpecialPage::getTitleFor( 'CreateAccount' )->getFullURL( [
2914 'returnto' => $this->getTitle()->getPrefixedDBkey()
2915 ] )
2916 ]
2917 );
2918 } else {
2919 $wgOut->wrapWikiMsg( "<div id=\"mw-anon-preview-warning\" class=\"warningbox\">\n$1</div>",
2920 'anonpreviewwarning'
2921 );
2922 }
2923 } else {
2924 if ( $this->isCssJsSubpage ) {
2925 # Check the skin exists
2926 if ( $this->isWrongCaseCssJsPage ) {
2927 $wgOut->wrapWikiMsg(
2928 "<div class='error' id='mw-userinvalidcssjstitle'>\n$1\n</div>",
2929 [ 'userinvalidcssjstitle', $this->mTitle->getSkinFromCssJsSubpage() ]
2930 );
2931 }
2932 if ( $this->getTitle()->isSubpageOf( $wgUser->getUserPage() ) ) {
2933 $wgOut->wrapWikiMsg( '<div class="mw-usercssjspublic">$1</div>',
2934 $this->isCssSubpage ? 'usercssispublic' : 'userjsispublic'
2935 );
2936 if ( $this->formtype !== 'preview' ) {
2937 if ( $this->isCssSubpage && $wgAllowUserCss ) {
2938 $wgOut->wrapWikiMsg(
2939 "<div id='mw-usercssyoucanpreview'>\n$1\n</div>",
2940 [ 'usercssyoucanpreview' ]
2941 );
2942 }
2943
2944 if ( $this->isJsSubpage && $wgAllowUserJs ) {
2945 $wgOut->wrapWikiMsg(
2946 "<div id='mw-userjsyoucanpreview'>\n$1\n</div>",
2947 [ 'userjsyoucanpreview' ]
2948 );
2949 }
2950 }
2951 }
2952 }
2953 }
2954
2955 if ( $this->mTitle->isProtected( 'edit' ) &&
2956 MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace() ) !== [ '' ]
2957 ) {
2958 # Is the title semi-protected?
2959 if ( $this->mTitle->isSemiProtected() ) {
2960 $noticeMsg = 'semiprotectedpagewarning';
2961 } else {
2962 # Then it must be protected based on static groups (regular)
2963 $noticeMsg = 'protectedpagewarning';
2964 }
2965 LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle, '',
2966 [ 'lim' => 1, 'msgKey' => [ $noticeMsg ] ] );
2967 }
2968 if ( $this->mTitle->isCascadeProtected() ) {
2969 # Is this page under cascading protection from some source pages?
2970 /** @var Title[] $cascadeSources */
2971 list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources();
2972 $notice = "<div class='mw-cascadeprotectedwarning'>\n$1\n";
2973 $cascadeSourcesCount = count( $cascadeSources );
2974 if ( $cascadeSourcesCount > 0 ) {
2975 # Explain, and list the titles responsible
2976 foreach ( $cascadeSources as $page ) {
2977 $notice .= '* [[:' . $page->getPrefixedText() . "]]\n";
2978 }
2979 }
2980 $notice .= '</div>';
2981 $wgOut->wrapWikiMsg( $notice, [ 'cascadeprotectedwarning', $cascadeSourcesCount ] );
2982 }
2983 if ( !$this->mTitle->exists() && $this->mTitle->getRestrictions( 'create' ) ) {
2984 LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle, '',
2985 [ 'lim' => 1,
2986 'showIfEmpty' => false,
2987 'msgKey' => [ 'titleprotectedwarning' ],
2988 'wrap' => "<div class=\"mw-titleprotectedwarning\">\n$1</div>" ] );
2989 }
2990
2991 if ( $this->contentLength === false ) {
2992 $this->contentLength = strlen( $this->textbox1 );
2993 }
2994
2995 if ( $this->tooBig || $this->contentLength > $wgMaxArticleSize * 1024 ) {
2996 $wgOut->wrapWikiMsg( "<div class='error' id='mw-edit-longpageerror'>\n$1\n</div>",
2997 [
2998 'longpageerror',
2999 $wgLang->formatNum( round( $this->contentLength / 1024, 3 ) ),
3000 $wgLang->formatNum( $wgMaxArticleSize )
3001 ]
3002 );
3003 } else {
3004 if ( !wfMessage( 'longpage-hint' )->isDisabled() ) {
3005 $wgOut->wrapWikiMsg( "<div id='mw-edit-longpage-hint'>\n$1\n</div>",
3006 [
3007 'longpage-hint',
3008 $wgLang->formatSize( strlen( $this->textbox1 ) ),
3009 strlen( $this->textbox1 )
3010 ]
3011 );
3012 }
3013 }
3014 # Add header copyright warning
3015 $this->showHeaderCopyrightWarning();
3016
3017 return true;
3018 }
3019
3020 /**
3021 * Standard summary input and label (wgSummary), abstracted so EditPage
3022 * subclasses may reorganize the form.
3023 * Note that you do not need to worry about the label's for=, it will be
3024 * inferred by the id given to the input. You can remove them both by
3025 * passing array( 'id' => false ) to $userInputAttrs.
3026 *
3027 * @param string $summary The value of the summary input
3028 * @param string $labelText The html to place inside the label
3029 * @param array $inputAttrs Array of attrs to use on the input
3030 * @param array $spanLabelAttrs Array of attrs to use on the span inside the label
3031 *
3032 * @return array An array in the format array( $label, $input )
3033 */
3034 function getSummaryInput( $summary = "", $labelText = null,
3035 $inputAttrs = null, $spanLabelAttrs = null
3036 ) {
3037 // Note: the maxlength is overridden in JS to 255 and to make it use UTF-8 bytes, not characters.
3038 $inputAttrs = ( is_array( $inputAttrs ) ? $inputAttrs : [] ) + [
3039 'id' => 'wpSummary',
3040 'maxlength' => '200',
3041 'tabindex' => '1',
3042 'size' => 60,
3043 'spellcheck' => 'true',
3044 ] + Linker::tooltipAndAccesskeyAttribs( 'summary' );
3045
3046 $spanLabelAttrs = ( is_array( $spanLabelAttrs ) ? $spanLabelAttrs : [] ) + [
3047 'class' => $this->missingSummary ? 'mw-summarymissed' : 'mw-summary',
3048 'id' => "wpSummaryLabel"
3049 ];
3050
3051 $label = null;
3052 if ( $labelText ) {
3053 $label = Xml::tags(
3054 'label',
3055 $inputAttrs['id'] ? [ 'for' => $inputAttrs['id'] ] : null,
3056 $labelText
3057 );
3058 $label = Xml::tags( 'span', $spanLabelAttrs, $label );
3059 }
3060
3061 $input = Html::input( 'wpSummary', $summary, 'text', $inputAttrs );
3062
3063 return [ $label, $input ];
3064 }
3065
3066 /**
3067 * @param bool $isSubjectPreview True if this is the section subject/title
3068 * up top, or false if this is the comment summary
3069 * down below the textarea
3070 * @param string $summary The text of the summary to display
3071 */
3072 protected function showSummaryInput( $isSubjectPreview, $summary = "" ) {
3073 global $wgOut;
3074 # Add a class if 'missingsummary' is triggered to allow styling of the summary line
3075 $summaryClass = $this->missingSummary ? 'mw-summarymissed' : 'mw-summary';
3076 if ( $isSubjectPreview ) {
3077 if ( $this->nosummary ) {
3078 return;
3079 }
3080 } else {
3081 if ( !$this->mShowSummaryField ) {
3082 return;
3083 }
3084 }
3085 $labelText = wfMessage( $isSubjectPreview ? 'subject' : 'summary' )->parse();
3086 list( $label, $input ) = $this->getSummaryInput(
3087 $summary,
3088 $labelText,
3089 [ 'class' => $summaryClass ],
3090 []
3091 );
3092 $wgOut->addHTML( "{$label} {$input}" );
3093 }
3094
3095 /**
3096 * @param bool $isSubjectPreview True if this is the section subject/title
3097 * up top, or false if this is the comment summary
3098 * down below the textarea
3099 * @param string $summary The text of the summary to display
3100 * @return string
3101 */
3102 protected function getSummaryPreview( $isSubjectPreview, $summary = "" ) {
3103 // avoid spaces in preview, gets always trimmed on save
3104 $summary = trim( $summary );
3105 if ( !$summary || ( !$this->preview && !$this->diff ) ) {
3106 return "";
3107 }
3108
3109 global $wgParser;
3110
3111 if ( $isSubjectPreview ) {
3112 $summary = wfMessage( 'newsectionsummary' )->rawParams( $wgParser->stripSectionName( $summary ) )
3113 ->inContentLanguage()->text();
3114 }
3115
3116 $message = $isSubjectPreview ? 'subject-preview' : 'summary-preview';
3117
3118 $summary = wfMessage( $message )->parse()
3119 . Linker::commentBlock( $summary, $this->mTitle, $isSubjectPreview );
3120 return Xml::tags( 'div', [ 'class' => 'mw-summary-preview' ], $summary );
3121 }
3122
3123 protected function showFormBeforeText() {
3124 global $wgOut;
3125 $section = htmlspecialchars( $this->section );
3126 $wgOut->addHTML( <<<HTML
3127 <input type='hidden' value="{$section}" name="wpSection"/>
3128 <input type='hidden' value="{$this->starttime}" name="wpStarttime" />
3129 <input type='hidden' value="{$this->edittime}" name="wpEdittime" />
3130 <input type='hidden' value="{$this->editRevId}" name="editRevId" />
3131 <input type='hidden' value="{$this->scrolltop}" name="wpScrolltop" id="wpScrolltop" />
3132
3133 HTML
3134 );
3135 if ( !$this->checkUnicodeCompliantBrowser() ) {
3136 $wgOut->addHTML( Html::hidden( 'safemode', '1' ) );
3137 }
3138 }
3139
3140 protected function showFormAfterText() {
3141 global $wgOut, $wgUser;
3142 /**
3143 * To make it harder for someone to slip a user a page
3144 * which submits an edit form to the wiki without their
3145 * knowledge, a random token is associated with the login
3146 * session. If it's not passed back with the submission,
3147 * we won't save the page, or render user JavaScript and
3148 * CSS previews.
3149 *
3150 * For anon editors, who may not have a session, we just
3151 * include the constant suffix to prevent editing from
3152 * broken text-mangling proxies.
3153 */
3154 $wgOut->addHTML( "\n" . Html::hidden( "wpEditToken", $wgUser->getEditToken() ) . "\n" );
3155 }
3156
3157 /**
3158 * Subpage overridable method for printing the form for page content editing
3159 * By default this simply outputs wpTextbox1
3160 * Subclasses can override this to provide a custom UI for editing;
3161 * be it a form, or simply wpTextbox1 with a modified content that will be
3162 * reverse modified when extracted from the post data.
3163 * Note that this is basically the inverse for importContentFormData
3164 */
3165 protected function showContentForm() {
3166 $this->showTextbox1();
3167 }
3168
3169 /**
3170 * Method to output wpTextbox1
3171 * The $textoverride method can be used by subclasses overriding showContentForm
3172 * to pass back to this method.
3173 *
3174 * @param array $customAttribs Array of html attributes to use in the textarea
3175 * @param string $textoverride Optional text to override $this->textarea1 with
3176 */
3177 protected function showTextbox1( $customAttribs = null, $textoverride = null ) {
3178 if ( $this->wasDeletedSinceLastEdit() && $this->formtype == 'save' ) {
3179 $attribs = [ 'style' => 'display:none;' ];
3180 } else {
3181 $classes = []; // Textarea CSS
3182 if ( $this->mTitle->isProtected( 'edit' ) &&
3183 MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace() ) !== [ '' ]
3184 ) {
3185 # Is the title semi-protected?
3186 if ( $this->mTitle->isSemiProtected() ) {
3187 $classes[] = 'mw-textarea-sprotected';
3188 } else {
3189 # Then it must be protected based on static groups (regular)
3190 $classes[] = 'mw-textarea-protected';
3191 }
3192 # Is the title cascade-protected?
3193 if ( $this->mTitle->isCascadeProtected() ) {
3194 $classes[] = 'mw-textarea-cprotected';
3195 }
3196 }
3197
3198 $attribs = [ 'tabindex' => 1 ];
3199
3200 if ( is_array( $customAttribs ) ) {
3201 $attribs += $customAttribs;
3202 }
3203
3204 if ( count( $classes ) ) {
3205 if ( isset( $attribs['class'] ) ) {
3206 $classes[] = $attribs['class'];
3207 }
3208 $attribs['class'] = implode( ' ', $classes );
3209 }
3210 }
3211
3212 $this->showTextbox(
3213 $textoverride !== null ? $textoverride : $this->textbox1,
3214 'wpTextbox1',
3215 $attribs
3216 );
3217 }
3218
3219 protected function showTextbox2() {
3220 $this->showTextbox( $this->textbox2, 'wpTextbox2', [ 'tabindex' => 6, 'readonly' ] );
3221 }
3222
3223 protected function showTextbox( $text, $name, $customAttribs = [] ) {
3224 global $wgOut, $wgUser;
3225
3226 $wikitext = $this->safeUnicodeOutput( $text );
3227 if ( strval( $wikitext ) !== '' ) {
3228 // Ensure there's a newline at the end, otherwise adding lines
3229 // is awkward.
3230 // But don't add a newline if the ext is empty, or Firefox in XHTML
3231 // mode will show an extra newline. A bit annoying.
3232 $wikitext .= "\n";
3233 }
3234
3235 $attribs = $customAttribs + [
3236 'accesskey' => ',',
3237 'id' => $name,
3238 'cols' => $wgUser->getIntOption( 'cols' ),
3239 'rows' => $wgUser->getIntOption( 'rows' ),
3240 // Avoid PHP notices when appending preferences
3241 // (appending allows customAttribs['style'] to still work).
3242 'style' => ''
3243 ];
3244
3245 $pageLang = $this->mTitle->getPageLanguage();
3246 $attribs['lang'] = $pageLang->getHtmlCode();
3247 $attribs['dir'] = $pageLang->getDir();
3248
3249 $wgOut->addHTML( Html::textarea( $name, $wikitext, $attribs ) );
3250 }
3251
3252 protected function displayPreviewArea( $previewOutput, $isOnTop = false ) {
3253 global $wgOut;
3254 $classes = [];
3255 if ( $isOnTop ) {
3256 $classes[] = 'ontop';
3257 }
3258
3259 $attribs = [ 'id' => 'wikiPreview', 'class' => implode( ' ', $classes ) ];
3260
3261 if ( $this->formtype != 'preview' ) {
3262 $attribs['style'] = 'display: none;';
3263 }
3264
3265 $wgOut->addHTML( Xml::openElement( 'div', $attribs ) );
3266
3267 if ( $this->formtype == 'preview' ) {
3268 $this->showPreview( $previewOutput );
3269 } else {
3270 // Empty content container for LivePreview
3271 $pageViewLang = $this->mTitle->getPageViewLanguage();
3272 $attribs = [ 'lang' => $pageViewLang->getHtmlCode(), 'dir' => $pageViewLang->getDir(),
3273 'class' => 'mw-content-' . $pageViewLang->getDir() ];
3274 $wgOut->addHTML( Html::rawElement( 'div', $attribs ) );
3275 }
3276
3277 $wgOut->addHTML( '</div>' );
3278
3279 if ( $this->formtype == 'diff' ) {
3280 try {
3281 $this->showDiff();
3282 } catch ( MWContentSerializationException $ex ) {
3283 $msg = wfMessage(
3284 'content-failed-to-parse',
3285 $this->contentModel,
3286 $this->contentFormat,
3287 $ex->getMessage()
3288 );
3289 $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>' );
3290 }
3291 }
3292 }
3293
3294 /**
3295 * Append preview output to $wgOut.
3296 * Includes category rendering if this is a category page.
3297 *
3298 * @param string $text The HTML to be output for the preview.
3299 */
3300 protected function showPreview( $text ) {
3301 global $wgOut;
3302 if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
3303 $this->mArticle->openShowCategory();
3304 }
3305 # This hook seems slightly odd here, but makes things more
3306 # consistent for extensions.
3307 Hooks::run( 'OutputPageBeforeHTML', [ &$wgOut, &$text ] );
3308 $wgOut->addHTML( $text );
3309 if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
3310 $this->mArticle->closeShowCategory();
3311 }
3312 }
3313
3314 /**
3315 * Get a diff between the current contents of the edit box and the
3316 * version of the page we're editing from.
3317 *
3318 * If this is a section edit, we'll replace the section as for final
3319 * save and then make a comparison.
3320 */
3321 function showDiff() {
3322 global $wgUser, $wgContLang, $wgOut;
3323
3324 $oldtitlemsg = 'currentrev';
3325 # if message does not exist, show diff against the preloaded default
3326 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !$this->mTitle->exists() ) {
3327 $oldtext = $this->mTitle->getDefaultMessageText();
3328 if ( $oldtext !== false ) {
3329 $oldtitlemsg = 'defaultmessagetext';
3330 $oldContent = $this->toEditContent( $oldtext );
3331 } else {
3332 $oldContent = null;
3333 }
3334 } else {
3335 $oldContent = $this->getCurrentContent();
3336 }
3337
3338 $textboxContent = $this->toEditContent( $this->textbox1 );
3339 if ( $this->editRevId !== null ) {
3340 $newContent = $this->page->replaceSectionAtRev(
3341 $this->section, $textboxContent, $this->summary, $this->editRevId
3342 );
3343 } else {
3344 $newContent = $this->page->replaceSectionContent(
3345 $this->section, $textboxContent, $this->summary, $this->edittime
3346 );
3347 }
3348
3349 if ( $newContent ) {
3350 ContentHandler::runLegacyHooks( 'EditPageGetDiffText', [ $this, &$newContent ] );
3351 Hooks::run( 'EditPageGetDiffContent', [ $this, &$newContent ] );
3352
3353 $popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
3354 $newContent = $newContent->preSaveTransform( $this->mTitle, $wgUser, $popts );
3355 }
3356
3357 if ( ( $oldContent && !$oldContent->isEmpty() ) || ( $newContent && !$newContent->isEmpty() ) ) {
3358 $oldtitle = wfMessage( $oldtitlemsg )->parse();
3359 $newtitle = wfMessage( 'yourtext' )->parse();
3360
3361 if ( !$oldContent ) {
3362 $oldContent = $newContent->getContentHandler()->makeEmptyContent();
3363 }
3364
3365 if ( !$newContent ) {
3366 $newContent = $oldContent->getContentHandler()->makeEmptyContent();
3367 }
3368
3369 $de = $oldContent->getContentHandler()->createDifferenceEngine( $this->mArticle->getContext() );
3370 $de->setContent( $oldContent, $newContent );
3371
3372 $difftext = $de->getDiff( $oldtitle, $newtitle );
3373 $de->showDiffStyle();
3374 } else {
3375 $difftext = '';
3376 }
3377
3378 $wgOut->addHTML( '<div id="wikiDiff">' . $difftext . '</div>' );
3379 }
3380
3381 /**
3382 * Show the header copyright warning.
3383 */
3384 protected function showHeaderCopyrightWarning() {
3385 $msg = 'editpage-head-copy-warn';
3386 if ( !wfMessage( $msg )->isDisabled() ) {
3387 global $wgOut;
3388 $wgOut->wrapWikiMsg( "<div class='editpage-head-copywarn'>\n$1\n</div>",
3389 'editpage-head-copy-warn' );
3390 }
3391 }
3392
3393 /**
3394 * Give a chance for site and per-namespace customizations of
3395 * terms of service summary link that might exist separately
3396 * from the copyright notice.
3397 *
3398 * This will display between the save button and the edit tools,
3399 * so should remain short!
3400 */
3401 protected function showTosSummary() {
3402 $msg = 'editpage-tos-summary';
3403 Hooks::run( 'EditPageTosSummary', [ $this->mTitle, &$msg ] );
3404 if ( !wfMessage( $msg )->isDisabled() ) {
3405 global $wgOut;
3406 $wgOut->addHTML( '<div class="mw-tos-summary">' );
3407 $wgOut->addWikiMsg( $msg );
3408 $wgOut->addHTML( '</div>' );
3409 }
3410 }
3411
3412 protected function showEditTools() {
3413 global $wgOut;
3414 $wgOut->addHTML( '<div class="mw-editTools">' .
3415 wfMessage( 'edittools' )->inContentLanguage()->parse() .
3416 '</div>' );
3417 }
3418
3419 /**
3420 * Get the copyright warning
3421 *
3422 * Renamed to getCopyrightWarning(), old name kept around for backwards compatibility
3423 * @return string
3424 */
3425 protected function getCopywarn() {
3426 return self::getCopyrightWarning( $this->mTitle );
3427 }
3428
3429 /**
3430 * Get the copyright warning, by default returns wikitext
3431 *
3432 * @param Title $title
3433 * @param string $format Output format, valid values are any function of a Message object
3434 * @return string
3435 */
3436 public static function getCopyrightWarning( $title, $format = 'plain' ) {
3437 global $wgRightsText;
3438 if ( $wgRightsText ) {
3439 $copywarnMsg = [ 'copyrightwarning',
3440 '[[' . wfMessage( 'copyrightpage' )->inContentLanguage()->text() . ']]',
3441 $wgRightsText ];
3442 } else {
3443 $copywarnMsg = [ 'copyrightwarning2',
3444 '[[' . wfMessage( 'copyrightpage' )->inContentLanguage()->text() . ']]' ];
3445 }
3446 // Allow for site and per-namespace customization of contribution/copyright notice.
3447 Hooks::run( 'EditPageCopyrightWarning', [ $title, &$copywarnMsg ] );
3448
3449 return "<div id=\"editpage-copywarn\">\n" .
3450 call_user_func_array( 'wfMessage', $copywarnMsg )->$format() . "\n</div>";
3451 }
3452
3453 /**
3454 * Get the Limit report for page previews
3455 *
3456 * @since 1.22
3457 * @param ParserOutput $output ParserOutput object from the parse
3458 * @return string HTML
3459 */
3460 public static function getPreviewLimitReport( $output ) {
3461 if ( !$output || !$output->getLimitReportData() ) {
3462 return '';
3463 }
3464
3465 return ResourceLoader::makeInlineScript(
3466 ResourceLoader::makeConfigSetScript(
3467 [ 'wgPageParseReport' => $output->getLimitReportData() ],
3468 true
3469 )
3470 );
3471 }
3472
3473 protected function showStandardInputs( &$tabindex = 2 ) {
3474 global $wgOut;
3475 $wgOut->addHTML( "<div class='editOptions'>\n" );
3476
3477 if ( $this->section != 'new' ) {
3478 $this->showSummaryInput( false, $this->summary );
3479 $wgOut->addHTML( $this->getSummaryPreview( false, $this->summary ) );
3480 }
3481
3482 $checkboxes = $this->getCheckboxes( $tabindex,
3483 [ 'minor' => $this->minoredit, 'watch' => $this->watchthis ] );
3484 $wgOut->addHTML( "<div class='editCheckboxes'>" . implode( $checkboxes, "\n" ) . "</div>\n" );
3485
3486 // Show copyright warning.
3487 $wgOut->addWikiText( $this->getCopywarn() );
3488 $wgOut->addHTML( $this->editFormTextAfterWarn );
3489
3490 $wgOut->addHTML( "<div class='editButtons'>\n" );
3491 $wgOut->addHTML( implode( $this->getEditButtons( $tabindex ), "\n" ) . "\n" );
3492
3493 $cancel = $this->getCancelLink();
3494 if ( $cancel !== '' ) {
3495 $cancel .= Html::element( 'span',
3496 [ 'class' => 'mw-editButtons-pipe-separator' ],
3497 wfMessage( 'pipe-separator' )->text() );
3498 }
3499
3500 $message = wfMessage( 'edithelppage' )->inContentLanguage()->text();
3501 $edithelpurl = Skin::makeInternalOrExternalUrl( $message );
3502 $attrs = [
3503 'target' => 'helpwindow',
3504 'href' => $edithelpurl,
3505 ];
3506 $edithelp = Html::linkButton( wfMessage( 'edithelp' )->text(),
3507 $attrs, [ 'mw-ui-quiet' ] ) .
3508 wfMessage( 'word-separator' )->escaped() .
3509 wfMessage( 'newwindow' )->parse();
3510
3511 $wgOut->addHTML( " <span class='cancelLink'>{$cancel}</span>\n" );
3512 $wgOut->addHTML( " <span class='editHelp'>{$edithelp}</span>\n" );
3513 $wgOut->addHTML( "</div><!-- editButtons -->\n" );
3514
3515 Hooks::run( 'EditPage::showStandardInputs:options', [ $this, $wgOut, &$tabindex ] );
3516
3517 $wgOut->addHTML( "</div><!-- editOptions -->\n" );
3518 }
3519
3520 /**
3521 * Show an edit conflict. textbox1 is already shown in showEditForm().
3522 * If you want to use another entry point to this function, be careful.
3523 */
3524 protected function showConflict() {
3525 global $wgOut;
3526
3527 if ( Hooks::run( 'EditPageBeforeConflictDiff', [ &$this, &$wgOut ] ) ) {
3528 $stats = $wgOut->getContext()->getStats();
3529 $stats->increment( 'edit.failures.conflict' );
3530 // Only include 'standard' namespaces to avoid creating unknown numbers of statsd metrics
3531 if (
3532 $this->mTitle->getNamespace() >= NS_MAIN &&
3533 $this->mTitle->getNamespace() <= NS_CATEGORY_TALK
3534 ) {
3535 $stats->increment( 'edit.failures.conflict.byNamespaceId.' . $this->mTitle->getNamespace() );
3536 }
3537
3538 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
3539
3540 $content1 = $this->toEditContent( $this->textbox1 );
3541 $content2 = $this->toEditContent( $this->textbox2 );
3542
3543 $handler = ContentHandler::getForModelID( $this->contentModel );
3544 $de = $handler->createDifferenceEngine( $this->mArticle->getContext() );
3545 $de->setContent( $content2, $content1 );
3546 $de->showDiff(
3547 wfMessage( 'yourtext' )->parse(),
3548 wfMessage( 'storedversion' )->text()
3549 );
3550
3551 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
3552 $this->showTextbox2();
3553 }
3554 }
3555
3556 /**
3557 * @return string
3558 */
3559 public function getCancelLink() {
3560 $cancelParams = [];
3561 if ( !$this->isConflict && $this->oldid > 0 ) {
3562 $cancelParams['oldid'] = $this->oldid;
3563 } elseif ( $this->getContextTitle()->isRedirect() ) {
3564 $cancelParams['redirect'] = 'no';
3565 }
3566 $attrs = [ 'id' => 'mw-editform-cancel' ];
3567
3568 return Linker::linkKnown(
3569 $this->getContextTitle(),
3570 wfMessage( 'cancel' )->parse(),
3571 Html::buttonAttributes( $attrs, [ 'mw-ui-quiet' ] ),
3572 $cancelParams
3573 );
3574 }
3575
3576 /**
3577 * Returns the URL to use in the form's action attribute.
3578 * This is used by EditPage subclasses when simply customizing the action
3579 * variable in the constructor is not enough. This can be used when the
3580 * EditPage lives inside of a Special page rather than a custom page action.
3581 *
3582 * @param Title $title Title object for which is being edited (where we go to for &action= links)
3583 * @return string
3584 */
3585 protected function getActionURL( Title $title ) {
3586 return $title->getLocalURL( [ 'action' => $this->action ] );
3587 }
3588
3589 /**
3590 * Check if a page was deleted while the user was editing it, before submit.
3591 * Note that we rely on the logging table, which hasn't been always there,
3592 * but that doesn't matter, because this only applies to brand new
3593 * deletes.
3594 * @return bool
3595 */
3596 protected function wasDeletedSinceLastEdit() {
3597 if ( $this->deletedSinceEdit !== null ) {
3598 return $this->deletedSinceEdit;
3599 }
3600
3601 $this->deletedSinceEdit = false;
3602
3603 if ( !$this->mTitle->exists() && $this->mTitle->isDeletedQuick() ) {
3604 $this->lastDelete = $this->getLastDelete();
3605 if ( $this->lastDelete ) {
3606 $deleteTime = wfTimestamp( TS_MW, $this->lastDelete->log_timestamp );
3607 if ( $deleteTime > $this->starttime ) {
3608 $this->deletedSinceEdit = true;
3609 }
3610 }
3611 }
3612
3613 return $this->deletedSinceEdit;
3614 }
3615
3616 /**
3617 * @return bool|stdClass
3618 */
3619 protected function getLastDelete() {
3620 $dbr = wfGetDB( DB_SLAVE );
3621 $data = $dbr->selectRow(
3622 [ 'logging', 'user' ],
3623 [
3624 'log_type',
3625 'log_action',
3626 'log_timestamp',
3627 'log_user',
3628 'log_namespace',
3629 'log_title',
3630 'log_comment',
3631 'log_params',
3632 'log_deleted',
3633 'user_name'
3634 ], [
3635 'log_namespace' => $this->mTitle->getNamespace(),
3636 'log_title' => $this->mTitle->getDBkey(),
3637 'log_type' => 'delete',
3638 'log_action' => 'delete',
3639 'user_id=log_user'
3640 ],
3641 __METHOD__,
3642 [ 'LIMIT' => 1, 'ORDER BY' => 'log_timestamp DESC' ]
3643 );
3644 // Quick paranoid permission checks...
3645 if ( is_object( $data ) ) {
3646 if ( $data->log_deleted & LogPage::DELETED_USER ) {
3647 $data->user_name = wfMessage( 'rev-deleted-user' )->escaped();
3648 }
3649
3650 if ( $data->log_deleted & LogPage::DELETED_COMMENT ) {
3651 $data->log_comment = wfMessage( 'rev-deleted-comment' )->escaped();
3652 }
3653 }
3654
3655 return $data;
3656 }
3657
3658 /**
3659 * Get the rendered text for previewing.
3660 * @throws MWException
3661 * @return string
3662 */
3663 function getPreviewText() {
3664 global $wgOut, $wgRawHtml, $wgLang;
3665 global $wgAllowUserCss, $wgAllowUserJs;
3666
3667 $stats = $wgOut->getContext()->getStats();
3668
3669 if ( $wgRawHtml && !$this->mTokenOk ) {
3670 // Could be an offsite preview attempt. This is very unsafe if
3671 // HTML is enabled, as it could be an attack.
3672 $parsedNote = '';
3673 if ( $this->textbox1 !== '' ) {
3674 // Do not put big scary notice, if previewing the empty
3675 // string, which happens when you initially edit
3676 // a category page, due to automatic preview-on-open.
3677 $parsedNote = $wgOut->parse( "<div class='previewnote'>" .
3678 wfMessage( 'session_fail_preview_html' )->text() . "</div>", true, /* interface */true );
3679 }
3680 $stats->increment( 'edit.failures.session_loss' );
3681 return $parsedNote;
3682 }
3683
3684 $note = '';
3685
3686 try {
3687 $content = $this->toEditContent( $this->textbox1 );
3688
3689 $previewHTML = '';
3690 if ( !Hooks::run(
3691 'AlternateEditPreview',
3692 [ $this, &$content, &$previewHTML, &$this->mParserOutput ] )
3693 ) {
3694 return $previewHTML;
3695 }
3696
3697 # provide a anchor link to the editform
3698 $continueEditing = '<span class="mw-continue-editing">' .
3699 '[[#' . self::EDITFORM_ID . '|' . $wgLang->getArrow() . ' ' .
3700 wfMessage( 'continue-editing' )->text() . ']]</span>';
3701 if ( $this->mTriedSave && !$this->mTokenOk ) {
3702 if ( $this->mTokenOkExceptSuffix ) {
3703 $note = wfMessage( 'token_suffix_mismatch' )->plain();
3704 $stats->increment( 'edit.failures.bad_token' );
3705 } else {
3706 $note = wfMessage( 'session_fail_preview' )->plain();
3707 $stats->increment( 'edit.failures.session_loss' );
3708 }
3709 } elseif ( $this->incompleteForm ) {
3710 $note = wfMessage( 'edit_form_incomplete' )->plain();
3711 if ( $this->mTriedSave ) {
3712 $stats->increment( 'edit.failures.incomplete_form' );
3713 }
3714 } else {
3715 $note = wfMessage( 'previewnote' )->plain() . ' ' . $continueEditing;
3716 }
3717
3718 # don't parse non-wikitext pages, show message about preview
3719 if ( $this->mTitle->isCssJsSubpage() || $this->mTitle->isCssOrJsPage() ) {
3720 if ( $this->mTitle->isCssJsSubpage() ) {
3721 $level = 'user';
3722 } elseif ( $this->mTitle->isCssOrJsPage() ) {
3723 $level = 'site';
3724 } else {
3725 $level = false;
3726 }
3727
3728 if ( $content->getModel() == CONTENT_MODEL_CSS ) {
3729 $format = 'css';
3730 if ( $level === 'user' && !$wgAllowUserCss ) {
3731 $format = false;
3732 }
3733 } elseif ( $content->getModel() == CONTENT_MODEL_JAVASCRIPT ) {
3734 $format = 'js';
3735 if ( $level === 'user' && !$wgAllowUserJs ) {
3736 $format = false;
3737 }
3738 } else {
3739 $format = false;
3740 }
3741
3742 # Used messages to make sure grep find them:
3743 # Messages: usercsspreview, userjspreview, sitecsspreview, sitejspreview
3744 if ( $level && $format ) {
3745 $note = "<div id='mw-{$level}{$format}preview'>" .
3746 wfMessage( "{$level}{$format}preview" )->text() .
3747 ' ' . $continueEditing . "</div>";
3748 }
3749 }
3750
3751 # If we're adding a comment, we need to show the
3752 # summary as the headline
3753 if ( $this->section === "new" && $this->summary !== "" ) {
3754 $content = $content->addSectionHeader( $this->summary );
3755 }
3756
3757 $hook_args = [ $this, &$content ];
3758 ContentHandler::runLegacyHooks( 'EditPageGetPreviewText', $hook_args );
3759 Hooks::run( 'EditPageGetPreviewContent', $hook_args );
3760
3761 $parserResult = $this->doPreviewParse( $content );
3762 $parserOutput = $parserResult['parserOutput'];
3763 $previewHTML = $parserResult['html'];
3764 $this->mParserOutput = $parserOutput;
3765 $wgOut->addParserOutputMetadata( $parserOutput );
3766
3767 if ( count( $parserOutput->getWarnings() ) ) {
3768 $note .= "\n\n" . implode( "\n\n", $parserOutput->getWarnings() );
3769 }
3770
3771 } catch ( MWContentSerializationException $ex ) {
3772 $m = wfMessage(
3773 'content-failed-to-parse',
3774 $this->contentModel,
3775 $this->contentFormat,
3776 $ex->getMessage()
3777 );
3778 $note .= "\n\n" . $m->parse();
3779 $previewHTML = '';
3780 }
3781
3782 if ( $this->isConflict ) {
3783 $conflict = '<h2 id="mw-previewconflict">'
3784 . wfMessage( 'previewconflict' )->escaped() . "</h2>\n";
3785 } else {
3786 $conflict = '<hr />';
3787 }
3788
3789 $previewhead = "<div class='previewnote'>\n" .
3790 '<h2 id="mw-previewheader">' . wfMessage( 'preview' )->escaped() . "</h2>" .
3791 $wgOut->parse( $note, true, /* interface */true ) . $conflict . "</div>\n";
3792
3793 $pageViewLang = $this->mTitle->getPageViewLanguage();
3794 $attribs = [ 'lang' => $pageViewLang->getHtmlCode(), 'dir' => $pageViewLang->getDir(),
3795 'class' => 'mw-content-' . $pageViewLang->getDir() ];
3796 $previewHTML = Html::rawElement( 'div', $attribs, $previewHTML );
3797
3798 return $previewhead . $previewHTML . $this->previewTextAfterContent;
3799 }
3800
3801 /**
3802 * Get parser options for a preview
3803 * @return ParserOptions
3804 */
3805 protected function getPreviewParserOptions() {
3806 $parserOptions = $this->page->makeParserOptions( $this->mArticle->getContext() );
3807 $parserOptions->setIsPreview( true );
3808 $parserOptions->setIsSectionPreview( !is_null( $this->section ) && $this->section !== '' );
3809 $parserOptions->enableLimitReport();
3810 return $parserOptions;
3811 }
3812
3813 /**
3814 * Parse the page for a preview. Subclasses may override this class, in order
3815 * to parse with different options, or to otherwise modify the preview HTML.
3816 *
3817 * @param Content $content The page content
3818 * @return array with keys:
3819 * - parserOutput: The ParserOutput object
3820 * - html: The HTML to be displayed
3821 */
3822 protected function doPreviewParse( Content $content ) {
3823 global $wgUser;
3824 $parserOptions = $this->getPreviewParserOptions();
3825 $pstContent = $content->preSaveTransform( $this->mTitle, $wgUser, $parserOptions );
3826 $scopedCallback = $parserOptions->setupFakeRevision(
3827 $this->mTitle, $pstContent, $wgUser );
3828 $parserOutput = $pstContent->getParserOutput( $this->mTitle, null, $parserOptions );
3829 ScopedCallback::consume( $scopedCallback );
3830 $parserOutput->setEditSectionTokens( false ); // no section edit links
3831 return [
3832 'parserOutput' => $parserOutput,
3833 'html' => $parserOutput->getText() ];
3834 }
3835
3836 /**
3837 * @return array
3838 */
3839 function getTemplates() {
3840 if ( $this->preview || $this->section != '' ) {
3841 $templates = [];
3842 if ( !isset( $this->mParserOutput ) ) {
3843 return $templates;
3844 }
3845 foreach ( $this->mParserOutput->getTemplates() as $ns => $template ) {
3846 foreach ( array_keys( $template ) as $dbk ) {
3847 $templates[] = Title::makeTitle( $ns, $dbk );
3848 }
3849 }
3850 return $templates;
3851 } else {
3852 return $this->mTitle->getTemplateLinksFrom();
3853 }
3854 }
3855
3856 /**
3857 * Shows a bulletin board style toolbar for common editing functions.
3858 * It can be disabled in the user preferences.
3859 *
3860 * @param Title $title Title object for the page being edited (optional)
3861 * @return string
3862 */
3863 static function getEditToolbar( $title = null ) {
3864 global $wgContLang, $wgOut;
3865 global $wgEnableUploads, $wgForeignFileRepos;
3866
3867 $imagesAvailable = $wgEnableUploads || count( $wgForeignFileRepos );
3868 $showSignature = true;
3869 if ( $title ) {
3870 $showSignature = MWNamespace::wantSignatures( $title->getNamespace() );
3871 }
3872
3873 /**
3874 * $toolarray is an array of arrays each of which includes the
3875 * opening tag, the closing tag, optionally a sample text that is
3876 * inserted between the two when no selection is highlighted
3877 * and. The tip text is shown when the user moves the mouse
3878 * over the button.
3879 *
3880 * Images are defined in ResourceLoaderEditToolbarModule.
3881 */
3882 $toolarray = [
3883 [
3884 'id' => 'mw-editbutton-bold',
3885 'open' => '\'\'\'',
3886 'close' => '\'\'\'',
3887 'sample' => wfMessage( 'bold_sample' )->text(),
3888 'tip' => wfMessage( 'bold_tip' )->text(),
3889 ],
3890 [
3891 'id' => 'mw-editbutton-italic',
3892 'open' => '\'\'',
3893 'close' => '\'\'',
3894 'sample' => wfMessage( 'italic_sample' )->text(),
3895 'tip' => wfMessage( 'italic_tip' )->text(),
3896 ],
3897 [
3898 'id' => 'mw-editbutton-link',
3899 'open' => '[[',
3900 'close' => ']]',
3901 'sample' => wfMessage( 'link_sample' )->text(),
3902 'tip' => wfMessage( 'link_tip' )->text(),
3903 ],
3904 [
3905 'id' => 'mw-editbutton-extlink',
3906 'open' => '[',
3907 'close' => ']',
3908 'sample' => wfMessage( 'extlink_sample' )->text(),
3909 'tip' => wfMessage( 'extlink_tip' )->text(),
3910 ],
3911 [
3912 'id' => 'mw-editbutton-headline',
3913 'open' => "\n== ",
3914 'close' => " ==\n",
3915 'sample' => wfMessage( 'headline_sample' )->text(),
3916 'tip' => wfMessage( 'headline_tip' )->text(),
3917 ],
3918 $imagesAvailable ? [
3919 'id' => 'mw-editbutton-image',
3920 'open' => '[[' . $wgContLang->getNsText( NS_FILE ) . ':',
3921 'close' => ']]',
3922 'sample' => wfMessage( 'image_sample' )->text(),
3923 'tip' => wfMessage( 'image_tip' )->text(),
3924 ] : false,
3925 $imagesAvailable ? [
3926 'id' => 'mw-editbutton-media',
3927 'open' => '[[' . $wgContLang->getNsText( NS_MEDIA ) . ':',
3928 'close' => ']]',
3929 'sample' => wfMessage( 'media_sample' )->text(),
3930 'tip' => wfMessage( 'media_tip' )->text(),
3931 ] : false,
3932 [
3933 'id' => 'mw-editbutton-nowiki',
3934 'open' => "<nowiki>",
3935 'close' => "</nowiki>",
3936 'sample' => wfMessage( 'nowiki_sample' )->text(),
3937 'tip' => wfMessage( 'nowiki_tip' )->text(),
3938 ],
3939 $showSignature ? [
3940 'id' => 'mw-editbutton-signature',
3941 'open' => wfMessage( 'sig-text', '~~~~' )->inContentLanguage()->text(),
3942 'close' => '',
3943 'sample' => '',
3944 'tip' => wfMessage( 'sig_tip' )->text(),
3945 ] : false,
3946 [
3947 'id' => 'mw-editbutton-hr',
3948 'open' => "\n----\n",
3949 'close' => '',
3950 'sample' => '',
3951 'tip' => wfMessage( 'hr_tip' )->text(),
3952 ]
3953 ];
3954
3955 $script = 'mw.loader.using("mediawiki.toolbar", function () {';
3956 foreach ( $toolarray as $tool ) {
3957 if ( !$tool ) {
3958 continue;
3959 }
3960
3961 $params = [
3962 // Images are defined in ResourceLoaderEditToolbarModule
3963 false,
3964 // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
3965 // Older browsers show a "speedtip" type message only for ALT.
3966 // Ideally these should be different, realistically they
3967 // probably don't need to be.
3968 $tool['tip'],
3969 $tool['open'],
3970 $tool['close'],
3971 $tool['sample'],
3972 $tool['id'],
3973 ];
3974
3975 $script .= Xml::encodeJsCall(
3976 'mw.toolbar.addButton',
3977 $params,
3978 ResourceLoader::inDebugMode()
3979 );
3980 }
3981
3982 $script .= '});';
3983 $wgOut->addScript( ResourceLoader::makeInlineScript( $script ) );
3984
3985 $toolbar = '<div id="toolbar"></div>';
3986
3987 Hooks::run( 'EditPageBeforeEditToolbar', [ &$toolbar ] );
3988
3989 return $toolbar;
3990 }
3991
3992 /**
3993 * Returns an array of html code of the following checkboxes:
3994 * minor and watch
3995 *
3996 * @param int $tabindex Current tabindex
3997 * @param array $checked Array of checkbox => bool, where bool indicates the checked
3998 * status of the checkbox
3999 *
4000 * @return array
4001 */
4002 public function getCheckboxes( &$tabindex, $checked ) {
4003 global $wgUser, $wgUseMediaWikiUIEverywhere;
4004
4005 $checkboxes = [];
4006
4007 // don't show the minor edit checkbox if it's a new page or section
4008 if ( !$this->isNew ) {
4009 $checkboxes['minor'] = '';
4010 $minorLabel = wfMessage( 'minoredit' )->parse();
4011 if ( $wgUser->isAllowed( 'minoredit' ) ) {
4012 $attribs = [
4013 'tabindex' => ++$tabindex,
4014 'accesskey' => wfMessage( 'accesskey-minoredit' )->text(),
4015 'id' => 'wpMinoredit',
4016 ];
4017 $minorEditHtml =
4018 Xml::check( 'wpMinoredit', $checked['minor'], $attribs ) .
4019 "&#160;<label for='wpMinoredit' id='mw-editpage-minoredit'" .
4020 Xml::expandAttributes( [ 'title' => Linker::titleAttrib( 'minoredit', 'withaccess' ) ] ) .
4021 ">{$minorLabel}</label>";
4022
4023 if ( $wgUseMediaWikiUIEverywhere ) {
4024 $checkboxes['minor'] = Html::openElement( 'div', [ 'class' => 'mw-ui-checkbox' ] ) .
4025 $minorEditHtml .
4026 Html::closeElement( 'div' );
4027 } else {
4028 $checkboxes['minor'] = $minorEditHtml;
4029 }
4030 }
4031 }
4032
4033 $watchLabel = wfMessage( 'watchthis' )->parse();
4034 $checkboxes['watch'] = '';
4035 if ( $wgUser->isLoggedIn() ) {
4036 $attribs = [
4037 'tabindex' => ++$tabindex,
4038 'accesskey' => wfMessage( 'accesskey-watch' )->text(),
4039 'id' => 'wpWatchthis',
4040 ];
4041 $watchThisHtml =
4042 Xml::check( 'wpWatchthis', $checked['watch'], $attribs ) .
4043 "&#160;<label for='wpWatchthis' id='mw-editpage-watch'" .
4044 Xml::expandAttributes( [ 'title' => Linker::titleAttrib( 'watch', 'withaccess' ) ] ) .
4045 ">{$watchLabel}</label>";
4046 if ( $wgUseMediaWikiUIEverywhere ) {
4047 $checkboxes['watch'] = Html::openElement( 'div', [ 'class' => 'mw-ui-checkbox' ] ) .
4048 $watchThisHtml .
4049 Html::closeElement( 'div' );
4050 } else {
4051 $checkboxes['watch'] = $watchThisHtml;
4052 }
4053 }
4054 Hooks::run( 'EditPageBeforeEditChecks', [ &$this, &$checkboxes, &$tabindex ] );
4055 return $checkboxes;
4056 }
4057
4058 /**
4059 * Returns an array of html code of the following buttons:
4060 * save, diff, preview and live
4061 *
4062 * @param int $tabindex Current tabindex
4063 *
4064 * @return array
4065 */
4066 public function getEditButtons( &$tabindex ) {
4067 $buttons = [];
4068
4069 $labelAsPublish = $this->mArticle->getContext()->getConfig()->get( 'EditButtonPublishNotSave' );
4070 if ( $labelAsPublish ) {
4071 $buttonLabelKey = $this->isNew ? 'publishpage' : 'publishchanges';
4072 } else {
4073 $buttonLabelKey = $this->isNew ? 'savearticle' : 'savechanges';
4074 }
4075 $buttonLabel = wfMessage( $buttonLabelKey )->text();
4076 $attribs = [
4077 'id' => 'wpSave',
4078 'name' => 'wpSave',
4079 'tabindex' => ++$tabindex,
4080 ] + Linker::tooltipAndAccesskeyAttribs( 'save' );
4081 $buttons['save'] = Html::submitButton( $buttonLabel, $attribs, [ 'mw-ui-constructive' ] );
4082
4083 ++$tabindex; // use the same for preview and live preview
4084 $attribs = [
4085 'id' => 'wpPreview',
4086 'name' => 'wpPreview',
4087 'tabindex' => $tabindex,
4088 ] + Linker::tooltipAndAccesskeyAttribs( 'preview' );
4089 $buttons['preview'] = Html::submitButton( wfMessage( 'showpreview' )->text(),
4090 $attribs );
4091 $buttons['live'] = '';
4092
4093 $attribs = [
4094 'id' => 'wpDiff',
4095 'name' => 'wpDiff',
4096 'tabindex' => ++$tabindex,
4097 ] + Linker::tooltipAndAccesskeyAttribs( 'diff' );
4098 $buttons['diff'] = Html::submitButton( wfMessage( 'showdiff' )->text(),
4099 $attribs );
4100
4101 Hooks::run( 'EditPageBeforeEditButtons', [ &$this, &$buttons, &$tabindex ] );
4102 return $buttons;
4103 }
4104
4105 /**
4106 * Creates a basic error page which informs the user that
4107 * they have attempted to edit a nonexistent section.
4108 */
4109 function noSuchSectionPage() {
4110 global $wgOut;
4111
4112 $wgOut->prepareErrorPage( wfMessage( 'nosuchsectiontitle' ) );
4113
4114 $res = wfMessage( 'nosuchsectiontext', $this->section )->parseAsBlock();
4115 Hooks::run( 'EditPageNoSuchSection', [ &$this, &$res ] );
4116 $wgOut->addHTML( $res );
4117
4118 $wgOut->returnToMain( false, $this->mTitle );
4119 }
4120
4121 /**
4122 * Show "your edit contains spam" page with your diff and text
4123 *
4124 * @param string|array|bool $match Text (or array of texts) which triggered one or more filters
4125 */
4126 public function spamPageWithContent( $match = false ) {
4127 global $wgOut, $wgLang;
4128 $this->textbox2 = $this->textbox1;
4129
4130 if ( is_array( $match ) ) {
4131 $match = $wgLang->listToText( $match );
4132 }
4133 $wgOut->prepareErrorPage( wfMessage( 'spamprotectiontitle' ) );
4134
4135 $wgOut->addHTML( '<div id="spamprotected">' );
4136 $wgOut->addWikiMsg( 'spamprotectiontext' );
4137 if ( $match ) {
4138 $wgOut->addWikiMsg( 'spamprotectionmatch', wfEscapeWikiText( $match ) );
4139 }
4140 $wgOut->addHTML( '</div>' );
4141
4142 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
4143 $this->showDiff();
4144
4145 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
4146 $this->showTextbox2();
4147
4148 $wgOut->addReturnTo( $this->getContextTitle(), [ 'action' => 'edit' ] );
4149 }
4150
4151 /**
4152 * Check if the browser is on a blacklist of user-agents known to
4153 * mangle UTF-8 data on form submission. Returns true if Unicode
4154 * should make it through, false if it's known to be a problem.
4155 * @return bool
4156 */
4157 private function checkUnicodeCompliantBrowser() {
4158 global $wgBrowserBlackList, $wgRequest;
4159
4160 $currentbrowser = $wgRequest->getHeader( 'User-Agent' );
4161 if ( $currentbrowser === false ) {
4162 // No User-Agent header sent? Trust it by default...
4163 return true;
4164 }
4165
4166 foreach ( $wgBrowserBlackList as $browser ) {
4167 if ( preg_match( $browser, $currentbrowser ) ) {
4168 return false;
4169 }
4170 }
4171 return true;
4172 }
4173
4174 /**
4175 * Filter an input field through a Unicode de-armoring process if it
4176 * came from an old browser with known broken Unicode editing issues.
4177 *
4178 * @param WebRequest $request
4179 * @param string $field
4180 * @return string
4181 */
4182 protected function safeUnicodeInput( $request, $field ) {
4183 $text = rtrim( $request->getText( $field ) );
4184 return $request->getBool( 'safemode' )
4185 ? $this->unmakeSafe( $text )
4186 : $text;
4187 }
4188
4189 /**
4190 * Filter an output field through a Unicode armoring process if it is
4191 * going to an old browser with known broken Unicode editing issues.
4192 *
4193 * @param string $text
4194 * @return string
4195 */
4196 protected function safeUnicodeOutput( $text ) {
4197 return $this->checkUnicodeCompliantBrowser()
4198 ? $text
4199 : $this->makesafe( $text );
4200 }
4201
4202 /**
4203 * A number of web browsers are known to corrupt non-ASCII characters
4204 * in a UTF-8 text editing environment. To protect against this,
4205 * detected browsers will be served an armored version of the text,
4206 * with non-ASCII chars converted to numeric HTML character references.
4207 *
4208 * Preexisting such character references will have a 0 added to them
4209 * to ensure that round-trips do not alter the original data.
4210 *
4211 * @param string $invalue
4212 * @return string
4213 */
4214 private function makeSafe( $invalue ) {
4215 // Armor existing references for reversibility.
4216 $invalue = strtr( $invalue, [ "&#x" => "&#x0" ] );
4217
4218 $bytesleft = 0;
4219 $result = "";
4220 $working = 0;
4221 $valueLength = strlen( $invalue );
4222 for ( $i = 0; $i < $valueLength; $i++ ) {
4223 $bytevalue = ord( $invalue[$i] );
4224 if ( $bytevalue <= 0x7F ) { // 0xxx xxxx
4225 $result .= chr( $bytevalue );
4226 $bytesleft = 0;
4227 } elseif ( $bytevalue <= 0xBF ) { // 10xx xxxx
4228 $working = $working << 6;
4229 $working += ( $bytevalue & 0x3F );
4230 $bytesleft--;
4231 if ( $bytesleft <= 0 ) {
4232 $result .= "&#x" . strtoupper( dechex( $working ) ) . ";";
4233 }
4234 } elseif ( $bytevalue <= 0xDF ) { // 110x xxxx
4235 $working = $bytevalue & 0x1F;
4236 $bytesleft = 1;
4237 } elseif ( $bytevalue <= 0xEF ) { // 1110 xxxx
4238 $working = $bytevalue & 0x0F;
4239 $bytesleft = 2;
4240 } else { // 1111 0xxx
4241 $working = $bytevalue & 0x07;
4242 $bytesleft = 3;
4243 }
4244 }
4245 return $result;
4246 }
4247
4248 /**
4249 * Reverse the previously applied transliteration of non-ASCII characters
4250 * back to UTF-8. Used to protect data from corruption by broken web browsers
4251 * as listed in $wgBrowserBlackList.
4252 *
4253 * @param string $invalue
4254 * @return string
4255 */
4256 private function unmakeSafe( $invalue ) {
4257 $result = "";
4258 $valueLength = strlen( $invalue );
4259 for ( $i = 0; $i < $valueLength; $i++ ) {
4260 if ( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue[$i + 3] != '0' ) ) {
4261 $i += 3;
4262 $hexstring = "";
4263 do {
4264 $hexstring .= $invalue[$i];
4265 $i++;
4266 } while ( ctype_xdigit( $invalue[$i] ) && ( $i < strlen( $invalue ) ) );
4267
4268 // Do some sanity checks. These aren't needed for reversibility,
4269 // but should help keep the breakage down if the editor
4270 // breaks one of the entities whilst editing.
4271 if ( ( substr( $invalue, $i, 1 ) == ";" ) && ( strlen( $hexstring ) <= 6 ) ) {
4272 $codepoint = hexdec( $hexstring );
4273 $result .= UtfNormal\Utils::codepointToUtf8( $codepoint );
4274 } else {
4275 $result .= "&#x" . $hexstring . substr( $invalue, $i, 1 );
4276 }
4277 } else {
4278 $result .= substr( $invalue, $i, 1 );
4279 }
4280 }
4281 // reverse the transform that we made for reversibility reasons.
4282 return strtr( $result, [ "&#x0" => "&#x" ] );
4283 }
4284 }
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