8f85c1816c39ca009522b09c65f971d38019cb80
[lhc/web/wiklou.git] / includes / EditPage.php
1 <?php
2 /**
3 * Page edition user interface.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
19 *
20 * @file
21 */
22
23 /**
24 * The edit page/HTML interface (split from Article)
25 * The actual database and text munging is still in Article,
26 * but it should get easier to call those from alternate
27 * interfaces.
28 *
29 * EditPage cares about two distinct titles:
30 * $this->mContextTitle is the page that forms submit to, links point to,
31 * redirects go to, etc. $this->mTitle (as well as $mArticle) is the
32 * page in the database that is actually being edited. These are
33 * usually the same, but they are now allowed to be different.
34 *
35 * Surgeon General's Warning: prolonged exposure to this class is known to cause
36 * headaches, which may be fatal.
37 */
38 class EditPage {
39 /**
40 * Status: Article successfully updated
41 */
42 const AS_SUCCESS_UPDATE = 200;
43
44 /**
45 * Status: Article successfully created
46 */
47 const AS_SUCCESS_NEW_ARTICLE = 201;
48
49 /**
50 * Status: Article update aborted by a hook function
51 */
52 const AS_HOOK_ERROR = 210;
53
54 /**
55 * Status: A hook function returned an error
56 */
57 const AS_HOOK_ERROR_EXPECTED = 212;
58
59 /**
60 * Status: User is blocked from editing this page
61 */
62 const AS_BLOCKED_PAGE_FOR_USER = 215;
63
64 /**
65 * Status: Content too big (> $wgMaxArticleSize)
66 */
67 const AS_CONTENT_TOO_BIG = 216;
68
69 /**
70 * Status: User cannot edit? (not used)
71 */
72 const AS_USER_CANNOT_EDIT = 217;
73
74 /**
75 * Status: this anonymous user is not allowed to edit this page
76 */
77 const AS_READ_ONLY_PAGE_ANON = 218;
78
79 /**
80 * Status: this logged in user is not allowed to edit this page
81 */
82 const AS_READ_ONLY_PAGE_LOGGED = 219;
83
84 /**
85 * Status: wiki is in readonly mode (wfReadOnly() == true)
86 */
87 const AS_READ_ONLY_PAGE = 220;
88
89 /**
90 * Status: rate limiter for action 'edit' was tripped
91 */
92 const AS_RATE_LIMITED = 221;
93
94 /**
95 * Status: article was deleted while editing and param wpRecreate == false or form
96 * was not posted
97 */
98 const AS_ARTICLE_WAS_DELETED = 222;
99
100 /**
101 * Status: user tried to create this page, but is not allowed to do that
102 * ( Title->userCan('create') == false )
103 */
104 const AS_NO_CREATE_PERMISSION = 223;
105
106 /**
107 * Status: user tried to create a blank page
108 */
109 const AS_BLANK_ARTICLE = 224;
110
111 /**
112 * Status: (non-resolvable) edit conflict
113 */
114 const AS_CONFLICT_DETECTED = 225;
115
116 /**
117 * Status: no edit summary given and the user has forceeditsummary set and the user is not
118 * editing in his own userspace or talkspace and wpIgnoreBlankSummary == false
119 */
120 const AS_SUMMARY_NEEDED = 226;
121
122 /**
123 * Status: user tried to create a new section without content
124 */
125 const AS_TEXTBOX_EMPTY = 228;
126
127 /**
128 * Status: article is too big (> $wgMaxArticleSize), after merging in the new section
129 */
130 const AS_MAX_ARTICLE_SIZE_EXCEEDED = 229;
131
132 /**
133 * not used
134 */
135 const AS_OK = 230;
136
137 /**
138 * Status: WikiPage::doEdit() was unsuccessful
139 */
140 const AS_END = 231;
141
142 /**
143 * Status: summary contained spam according to one of the regexes in $wgSummarySpamRegex
144 */
145 const AS_SPAM_ERROR = 232;
146
147 /**
148 * Status: anonymous user is not allowed to upload (User::isAllowed('upload') == false)
149 */
150 const AS_IMAGE_REDIRECT_ANON = 233;
151
152 /**
153 * Status: logged in user is not allowed to upload (User::isAllowed('upload') == false)
154 */
155 const AS_IMAGE_REDIRECT_LOGGED = 234;
156
157 /**
158 * Status: can't parse content
159 */
160 const AS_PARSE_ERROR = 240;
161
162 /**
163 * HTML id and name for the beginning of the edit form.
164 */
165 const EDITFORM_ID = 'editform';
166
167 /**
168 * Prefix of key for cookie used to pass post-edit state.
169 * The revision id edited is added after this
170 */
171 const POST_EDIT_COOKIE_KEY_PREFIX = 'PostEditRevision';
172
173 /**
174 * Duration of PostEdit cookie, in seconds.
175 * The cookie will be removed instantly if the JavaScript runs.
176 *
177 * Otherwise, though, we don't want the cookies to accumulate.
178 * RFC 2109 ( https://www.ietf.org/rfc/rfc2109.txt ) specifies a possible
179 * limit of only 20 cookies per domain. This still applies at least to some
180 * versions of IE without full updates:
181 * https://blogs.msdn.com/b/ieinternals/archive/2009/08/20/wininet-ie-cookie-internals-faq.aspx
182 *
183 * A value of 20 minutes should be enough to take into account slow loads and minor
184 * clock skew while still avoiding cookie accumulation when JavaScript is turned off.
185 */
186 const POST_EDIT_COOKIE_DURATION = 1200;
187
188 /** @var Article */
189 public $mArticle;
190
191 /** @var Title */
192 public $mTitle;
193
194 /** @var null|Title */
195 private $mContextTitle = null;
196
197 /** @var string */
198 protected $action = 'submit';
199
200 /** @var bool */
201 public $isConflict = false;
202
203 /** @var bool */
204 public $isCssJsSubpage = false;
205
206 /** @var bool */
207 public $isCssSubpage = false;
208
209 /** @var bool */
210 public $isJsSubpage = false;
211
212 /** @var bool */
213 protected $isWrongCaseCssJsPage = false;
214
215 /** @var bool New page or new section */
216 protected $isNew = false;
217
218 /** @var bool */
219 protected $deletedSinceEdit;
220
221 /** @var string */
222 public $formtype;
223
224 /** @var bool */
225 public $firsttime;
226
227 /** @var bool|stdClass */
228 protected $lastDelete;
229
230 /** @var bool */
231 protected $mTokenOk = false;
232
233 /** @var bool */
234 protected $mTokenOkExceptSuffix = false;
235
236 /** @var bool */
237 protected $mTriedSave = false;
238
239 /** @var bool */
240 protected $incompleteForm = false;
241
242 /** @var bool */
243 protected $tooBig = false;
244
245 /** @var bool */
246 protected $kblength = false;
247
248 /** @var bool */
249 protected $missingComment = false;
250
251 /** @var bool */
252 protected $missingSummary = false;
253
254 /** @var bool */
255 protected $allowBlankSummary = false;
256
257 /** @var string */
258 protected $autoSumm = '';
259
260 /** @var string */
261 public $hookError = '';
262
263 /** @var ParserOutput */
264 protected $mParserOutput;
265
266 /** @var bool Has a summary been preset using GET parameter &summary= ? */
267 protected $hasPresetSummary = false;
268
269 /** @var bool */
270 protected $mBaseRevision = false;
271
272 /** @var bool */
273 public $mShowSummaryField = true;
274
275 # Form values
276
277 /** @var bool */
278 public $save = false;
279
280 /** @var bool */
281 public $preview = false;
282
283 /** @var bool */
284 protected $diff = false;
285
286 /** @var bool */
287 public $minoredit = false;
288
289 /** @var bool */
290 protected $watchthis = false;
291
292 /** @var bool */
293 protected $recreate = false;
294
295 /** @var string */
296 public $textbox1 = '';
297
298 /** @var string */
299 public $textbox2 = '';
300
301 /** @var string */
302 public $summary = '';
303
304 /** @var bool */
305 protected $nosummary = false;
306
307 /** @var string */
308 public $edittime = '';
309
310 /** @var string */
311 public $section = '';
312
313 /** @var string */
314 public $sectiontitle = '';
315
316 /** @var string */
317 protected $starttime = '';
318
319 /** @var int */
320 public $oldid = 0;
321
322 /** @var string */
323 protected $editintro = '';
324
325 /** @var null */
326 public $scrolltop = null;
327
328 /** @var bool */
329 public $bot = true;
330
331 /** @var null|string */
332 public $contentModel = null;
333
334 /** @var null|string */
335 public $contentFormat = null;
336
337 # Placeholders for text injection by hooks (must be HTML)
338 # extensions should take care to _append_ to the present value
339
340 /** @var string Before even the preview */
341 public $editFormPageTop = '';
342 public $editFormTextTop = '';
343 public $editFormTextBeforeContent = '';
344 public $editFormTextAfterWarn = '';
345 public $editFormTextAfterTools = '';
346 public $editFormTextBottom = '';
347 public $editFormTextAfterContent = '';
348 public $previewTextAfterContent = '';
349 public $mPreloadContent = null;
350
351 /* $didSave should be set to true whenever an article was successfully altered. */
352 public $didSave = false;
353 public $undidRev = 0;
354
355 public $suppressIntro = false;
356
357 /** @var bool Set to true to allow editing of non-text content types. */
358 public $allowNonTextContent = false;
359
360 /** @var bool */
361 protected $edit;
362
363 /** @var bool */
364 public $live;
365
366 /**
367 * @param Article $article
368 */
369 public function __construct( Article $article ) {
370 $this->mArticle = $article;
371 $this->mTitle = $article->getTitle();
372
373 $this->contentModel = $this->mTitle->getContentModel();
374
375 $handler = ContentHandler::getForModelID( $this->contentModel );
376 $this->contentFormat = $handler->getDefaultFormat();
377 }
378
379 /**
380 * @return Article
381 */
382 public function getArticle() {
383 return $this->mArticle;
384 }
385
386 /**
387 * @since 1.19
388 * @return Title
389 */
390 public function getTitle() {
391 return $this->mTitle;
392 }
393
394 /**
395 * Set the context Title object
396 *
397 * @param Title|null $title Title object or null
398 */
399 public function setContextTitle( $title ) {
400 $this->mContextTitle = $title;
401 }
402
403 /**
404 * Get the context title object.
405 * If not set, $wgTitle will be returned. This behavior might change in
406 * the future to return $this->mTitle instead.
407 *
408 * @return Title
409 */
410 public function getContextTitle() {
411 if ( is_null( $this->mContextTitle ) ) {
412 global $wgTitle;
413 return $wgTitle;
414 } else {
415 return $this->mContextTitle;
416 }
417 }
418
419 /**
420 * Returns if the given content model is editable.
421 *
422 * @param string $modelId The ID of the content model to test. Use CONTENT_MODEL_XXX constants.
423 * @return bool
424 * @throws MWException if $modelId has no known handler
425 */
426 public function isSupportedContentModel( $modelId ) {
427 return $this->allowNonTextContent ||
428 ContentHandler::getForModelID( $modelId ) instanceof TextContentHandler;
429 }
430
431 function submit() {
432 $this->edit();
433 }
434
435 /**
436 * This is the function that gets called for "action=edit". It
437 * sets up various member variables, then passes execution to
438 * another function, usually showEditForm()
439 *
440 * The edit form is self-submitting, so that when things like
441 * preview and edit conflicts occur, we get the same form back
442 * with the extra stuff added. Only when the final submission
443 * is made and all is well do we actually save and redirect to
444 * the newly-edited page.
445 */
446 function edit() {
447 global $wgOut, $wgRequest, $wgUser;
448 // Allow extensions to modify/prevent this form or submission
449 if ( !wfRunHooks( 'AlternateEdit', array( $this ) ) ) {
450 return;
451 }
452
453 wfProfileIn( __METHOD__ );
454 wfDebug( __METHOD__ . ": enter\n" );
455
456 // If they used redlink=1 and the page exists, redirect to the main article
457 if ( $wgRequest->getBool( 'redlink' ) && $this->mTitle->exists() ) {
458 $wgOut->redirect( $this->mTitle->getFullURL() );
459 wfProfileOut( __METHOD__ );
460 return;
461 }
462
463 $this->importFormData( $wgRequest );
464 $this->firsttime = false;
465
466 if ( $this->live ) {
467 $this->livePreview();
468 wfProfileOut( __METHOD__ );
469 return;
470 }
471
472 if ( wfReadOnly() && $this->save ) {
473 // Force preview
474 $this->save = false;
475 $this->preview = true;
476 }
477
478 if ( $this->save ) {
479 $this->formtype = 'save';
480 } elseif ( $this->preview ) {
481 $this->formtype = 'preview';
482 } elseif ( $this->diff ) {
483 $this->formtype = 'diff';
484 } else { # First time through
485 $this->firsttime = true;
486 if ( $this->previewOnOpen() ) {
487 $this->formtype = 'preview';
488 } else {
489 $this->formtype = 'initial';
490 }
491 }
492
493 $permErrors = $this->getEditPermissionErrors();
494 if ( $permErrors ) {
495 wfDebug( __METHOD__ . ": User can't edit\n" );
496 // Auto-block user's IP if the account was "hard" blocked
497 $wgUser->spreadAnyEditBlock();
498
499 $this->displayPermissionsError( $permErrors );
500
501 wfProfileOut( __METHOD__ );
502 return;
503 }
504
505 wfProfileIn( __METHOD__ . "-business-end" );
506
507 $this->isConflict = false;
508 // css / js subpages of user pages get a special treatment
509 $this->isCssJsSubpage = $this->mTitle->isCssJsSubpage();
510 $this->isCssSubpage = $this->mTitle->isCssSubpage();
511 $this->isJsSubpage = $this->mTitle->isJsSubpage();
512 // @todo FIXME: Silly assignment.
513 $this->isWrongCaseCssJsPage = $this->isWrongCaseCssJsPage();
514
515 # Show applicable editing introductions
516 if ( $this->formtype == 'initial' || $this->firsttime ) {
517 $this->showIntro();
518 }
519
520 # Attempt submission here. This will check for edit conflicts,
521 # and redundantly check for locked database, blocked IPs, etc.
522 # that edit() already checked just in case someone tries to sneak
523 # in the back door with a hand-edited submission URL.
524
525 if ( 'save' == $this->formtype ) {
526 if ( !$this->attemptSave() ) {
527 wfProfileOut( __METHOD__ . "-business-end" );
528 wfProfileOut( __METHOD__ );
529 return;
530 }
531 }
532
533 # First time through: get contents, set time for conflict
534 # checking, etc.
535 if ( 'initial' == $this->formtype || $this->firsttime ) {
536 if ( $this->initialiseForm() === false ) {
537 $this->noSuchSectionPage();
538 wfProfileOut( __METHOD__ . "-business-end" );
539 wfProfileOut( __METHOD__ );
540 return;
541 }
542
543 if ( !$this->mTitle->getArticleID() ) {
544 wfRunHooks( 'EditFormPreloadText', array( &$this->textbox1, &$this->mTitle ) );
545 } else {
546 wfRunHooks( 'EditFormInitialText', array( $this ) );
547 }
548
549 }
550
551 $this->showEditForm();
552 wfProfileOut( __METHOD__ . "-business-end" );
553 wfProfileOut( __METHOD__ );
554 }
555
556 /**
557 * @return array
558 */
559 protected function getEditPermissionErrors() {
560 global $wgUser;
561 $permErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $wgUser );
562 # Can this title be created?
563 if ( !$this->mTitle->exists() ) {
564 $permErrors = array_merge( $permErrors,
565 wfArrayDiff2( $this->mTitle->getUserPermissionsErrors( 'create', $wgUser ), $permErrors ) );
566 }
567 # Ignore some permissions errors when a user is just previewing/viewing diffs
568 $remove = array();
569 foreach ( $permErrors as $error ) {
570 if ( ( $this->preview || $this->diff )
571 && ( $error[0] == 'blockedtext' || $error[0] == 'autoblockedtext' )
572 ) {
573 $remove[] = $error;
574 }
575 }
576 $permErrors = wfArrayDiff2( $permErrors, $remove );
577 return $permErrors;
578 }
579
580 /**
581 * Display a permissions error page, like OutputPage::showPermissionsErrorPage(),
582 * but with the following differences:
583 * - If redlink=1, the user will be redirected to the page
584 * - If there is content to display or the error occurs while either saving,
585 * previewing or showing the difference, it will be a
586 * "View source for ..." page displaying the source code after the error message.
587 *
588 * @since 1.19
589 * @param array $permErrors Array of permissions errors, as returned by
590 * Title::getUserPermissionsErrors().
591 * @throws PermissionsError
592 */
593 protected function displayPermissionsError( array $permErrors ) {
594 global $wgRequest, $wgOut;
595
596 if ( $wgRequest->getBool( 'redlink' ) ) {
597 // The edit page was reached via a red link.
598 // Redirect to the article page and let them click the edit tab if
599 // they really want a permission error.
600 $wgOut->redirect( $this->mTitle->getFullURL() );
601 return;
602 }
603
604 $content = $this->getContentObject();
605
606 # Use the normal message if there's nothing to display
607 if ( $this->firsttime && ( !$content || $content->isEmpty() ) ) {
608 $action = $this->mTitle->exists() ? 'edit' :
609 ( $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage' );
610 throw new PermissionsError( $action, $permErrors );
611 }
612
613 wfRunHooks( 'EditPage::showReadOnlyForm:initial', array( $this, &$wgOut ) );
614
615 $wgOut->setRobotPolicy( 'noindex,nofollow' );
616 $wgOut->setPageTitle( wfMessage(
617 'viewsource-title',
618 $this->getContextTitle()->getPrefixedText()
619 ) );
620 $wgOut->addBacklinkSubtitle( $this->getContextTitle() );
621 $wgOut->addWikiText( $wgOut->formatPermissionsErrorMessage( $permErrors, 'edit' ) );
622 $wgOut->addHTML( "<hr />\n" );
623
624 # If the user made changes, preserve them when showing the markup
625 # (This happens when a user is blocked during edit, for instance)
626 if ( !$this->firsttime ) {
627 $text = $this->textbox1;
628 $wgOut->addWikiMsg( 'viewyourtext' );
629 } else {
630 $text = $this->toEditText( $content );
631 $wgOut->addWikiMsg( 'viewsourcetext' );
632 }
633
634 $this->showTextbox( $text, 'wpTextbox1', array( 'readonly' ) );
635
636 $wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'templatesUsed' ),
637 Linker::formatTemplates( $this->getTemplates() ) ) );
638
639 $wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
640
641 if ( $this->mTitle->exists() ) {
642 $wgOut->returnToMain( null, $this->mTitle );
643 }
644 }
645
646 /**
647 * Show a read-only error
648 * Parameters are the same as OutputPage:readOnlyPage()
649 * Redirect to the article page if redlink=1
650 * @deprecated since 1.19; use displayPermissionsError() instead
651 */
652 function readOnlyPage( $source = null, $protected = false, $reasons = array(), $action = null ) {
653 wfDeprecated( __METHOD__, '1.19' );
654
655 global $wgRequest, $wgOut;
656 if ( $wgRequest->getBool( 'redlink' ) ) {
657 // The edit page was reached via a red link.
658 // Redirect to the article page and let them click the edit tab if
659 // they really want a permission error.
660 $wgOut->redirect( $this->mTitle->getFullURL() );
661 } else {
662 $wgOut->readOnlyPage( $source, $protected, $reasons, $action );
663 }
664 }
665
666 /**
667 * Should we show a preview when the edit form is first shown?
668 *
669 * @return bool
670 */
671 protected function previewOnOpen() {
672 global $wgRequest, $wgUser, $wgPreviewOnOpenNamespaces;
673 if ( $wgRequest->getVal( 'preview' ) == 'yes' ) {
674 // Explicit override from request
675 return true;
676 } elseif ( $wgRequest->getVal( 'preview' ) == 'no' ) {
677 // Explicit override from request
678 return false;
679 } elseif ( $this->section == 'new' ) {
680 // Nothing *to* preview for new sections
681 return false;
682 } elseif ( ( $wgRequest->getVal( 'preload' ) !== null || $this->mTitle->exists() )
683 && $wgUser->getOption( 'previewonfirst' )
684 ) {
685 // Standard preference behavior
686 return true;
687 } elseif ( !$this->mTitle->exists()
688 && isset( $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()] )
689 && $wgPreviewOnOpenNamespaces[$this->mTitle->getNamespace()]
690 ) {
691 // Categories are special
692 return true;
693 } else {
694 return false;
695 }
696 }
697
698 /**
699 * Checks whether the user entered a skin name in uppercase,
700 * e.g. "User:Example/Monobook.css" instead of "monobook.css"
701 *
702 * @return bool
703 */
704 protected function isWrongCaseCssJsPage() {
705 if ( $this->mTitle->isCssJsSubpage() ) {
706 $name = $this->mTitle->getSkinFromCssJsSubpage();
707 $skins = array_merge(
708 array_keys( Skin::getSkinNames() ),
709 array( 'common' )
710 );
711 return !in_array( $name, $skins )
712 && in_array( strtolower( $name ), $skins );
713 } else {
714 return false;
715 }
716 }
717
718 /**
719 * Returns whether section editing is supported for the current page.
720 * Subclasses may override this to replace the default behavior, which is
721 * to check ContentHandler::supportsSections.
722 *
723 * @return bool true if this edit page supports sections, false otherwise.
724 */
725 protected function isSectionEditSupported() {
726 $contentHandler = ContentHandler::getForTitle( $this->mTitle );
727 return $contentHandler->supportsSections();
728 }
729
730 /**
731 * This function collects the form data and uses it to populate various member variables.
732 * @param WebRequest $request
733 * @throws ErrorPageError
734 */
735 function importFormData( &$request ) {
736 global $wgContLang, $wgUser;
737
738 wfProfileIn( __METHOD__ );
739
740 # Section edit can come from either the form or a link
741 $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
742
743 if ( $this->section !== null && $this->section !== '' && !$this->isSectionEditSupported() ) {
744 wfProfileOut( __METHOD__ );
745 throw new ErrorPageError( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
746 }
747
748 $this->isNew = !$this->mTitle->exists() || $this->section == 'new';
749
750 if ( $request->wasPosted() ) {
751 # These fields need to be checked for encoding.
752 # Also remove trailing whitespace, but don't remove _initial_
753 # whitespace from the text boxes. This may be significant formatting.
754 $this->textbox1 = $this->safeUnicodeInput( $request, 'wpTextbox1' );
755 if ( !$request->getCheck( 'wpTextbox2' ) ) {
756 // Skip this if wpTextbox2 has input, it indicates that we came
757 // from a conflict page with raw page text, not a custom form
758 // modified by subclasses
759 wfProfileIn( get_class( $this ) . "::importContentFormData" );
760 $textbox1 = $this->importContentFormData( $request );
761 if ( $textbox1 !== null ) {
762 $this->textbox1 = $textbox1;
763 }
764
765 wfProfileOut( get_class( $this ) . "::importContentFormData" );
766 }
767
768 # Truncate for whole multibyte characters
769 $this->summary = $wgContLang->truncate( $request->getText( 'wpSummary' ), 255 );
770
771 # If the summary consists of a heading, e.g. '==Foobar==', extract the title from the
772 # header syntax, e.g. 'Foobar'. This is mainly an issue when we are using wpSummary for
773 # section titles.
774 $this->summary = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->summary );
775
776 # Treat sectiontitle the same way as summary.
777 # Note that wpSectionTitle is not yet a part of the actual edit form, as wpSummary is
778 # currently doing double duty as both edit summary and section title. Right now this
779 # is just to allow API edits to work around this limitation, but this should be
780 # incorporated into the actual edit form when EditPage is rewritten (Bugs 18654, 26312).
781 $this->sectiontitle = $wgContLang->truncate( $request->getText( 'wpSectionTitle' ), 255 );
782 $this->sectiontitle = preg_replace( '/^\s*=+\s*(.*?)\s*=+\s*$/', '$1', $this->sectiontitle );
783
784 $this->edittime = $request->getVal( 'wpEdittime' );
785 $this->starttime = $request->getVal( 'wpStarttime' );
786
787 $undidRev = $request->getInt( 'wpUndidRevision' );
788 if ( $undidRev ) {
789 $this->undidRev = $undidRev;
790 }
791
792 $this->scrolltop = $request->getIntOrNull( 'wpScrolltop' );
793
794 if ( $this->textbox1 === '' && $request->getVal( 'wpTextbox1' ) === null ) {
795 // wpTextbox1 field is missing, possibly due to being "too big"
796 // according to some filter rules such as Suhosin's setting for
797 // suhosin.request.max_value_length (d'oh)
798 $this->incompleteForm = true;
799 } else {
800 // If we receive the last parameter of the request, we can fairly
801 // claim the POST request has not been truncated.
802 $this->incompleteForm = !$request->getVal( 'wpUltimateParam' );
803 }
804 if ( $this->incompleteForm ) {
805 # If the form is incomplete, force to preview.
806 wfDebug( __METHOD__ . ": Form data appears to be incomplete\n" );
807 wfDebug( "POST DATA: " . var_export( $_POST, true ) . "\n" );
808 $this->preview = true;
809 } else {
810 /* Fallback for live preview */
811 $this->preview = $request->getCheck( 'wpPreview' ) || $request->getCheck( 'wpLivePreview' );
812 $this->diff = $request->getCheck( 'wpDiff' );
813
814 // Remember whether a save was requested, so we can indicate
815 // if we forced preview due to session failure.
816 $this->mTriedSave = !$this->preview;
817
818 if ( $this->tokenOk( $request ) ) {
819 # Some browsers will not report any submit button
820 # if the user hits enter in the comment box.
821 # The unmarked state will be assumed to be a save,
822 # if the form seems otherwise complete.
823 wfDebug( __METHOD__ . ": Passed token check.\n" );
824 } elseif ( $this->diff ) {
825 # Failed token check, but only requested "Show Changes".
826 wfDebug( __METHOD__ . ": Failed token check; Show Changes requested.\n" );
827 } else {
828 # Page might be a hack attempt posted from
829 # an external site. Preview instead of saving.
830 wfDebug( __METHOD__ . ": Failed token check; forcing preview\n" );
831 $this->preview = true;
832 }
833 }
834 $this->save = !$this->preview && !$this->diff;
835 if ( !preg_match( '/^\d{14}$/', $this->edittime ) ) {
836 $this->edittime = null;
837 }
838
839 if ( !preg_match( '/^\d{14}$/', $this->starttime ) ) {
840 $this->starttime = null;
841 }
842
843 $this->recreate = $request->getCheck( 'wpRecreate' );
844
845 $this->minoredit = $request->getCheck( 'wpMinoredit' );
846 $this->watchthis = $request->getCheck( 'wpWatchthis' );
847
848 # Don't force edit summaries when a user is editing their own user or talk page
849 if ( ( $this->mTitle->mNamespace == NS_USER || $this->mTitle->mNamespace == NS_USER_TALK )
850 && $this->mTitle->getText() == $wgUser->getName()
851 ) {
852 $this->allowBlankSummary = true;
853 } else {
854 $this->allowBlankSummary = $request->getBool( 'wpIgnoreBlankSummary' )
855 || !$wgUser->getOption( 'forceeditsummary' );
856 }
857
858 $this->autoSumm = $request->getText( 'wpAutoSummary' );
859 } else {
860 # Not a posted form? Start with nothing.
861 wfDebug( __METHOD__ . ": Not a posted form.\n" );
862 $this->textbox1 = '';
863 $this->summary = '';
864 $this->sectiontitle = '';
865 $this->edittime = '';
866 $this->starttime = wfTimestampNow();
867 $this->edit = false;
868 $this->preview = false;
869 $this->save = false;
870 $this->diff = false;
871 $this->minoredit = false;
872 // Watch may be overridden by request parameters
873 $this->watchthis = $request->getBool( 'watchthis', false );
874 $this->recreate = false;
875
876 // When creating a new section, we can preload a section title by passing it as the
877 // preloadtitle parameter in the URL (Bug 13100)
878 if ( $this->section == 'new' && $request->getVal( 'preloadtitle' ) ) {
879 $this->sectiontitle = $request->getVal( 'preloadtitle' );
880 // Once wpSummary isn't being use for setting section titles, we should delete this.
881 $this->summary = $request->getVal( 'preloadtitle' );
882 } elseif ( $this->section != 'new' && $request->getVal( 'summary' ) ) {
883 $this->summary = $request->getText( 'summary' );
884 if ( $this->summary !== '' ) {
885 $this->hasPresetSummary = true;
886 }
887 }
888
889 if ( $request->getVal( 'minor' ) ) {
890 $this->minoredit = true;
891 }
892 }
893
894 $this->oldid = $request->getInt( 'oldid' );
895
896 $this->bot = $request->getBool( 'bot', true );
897 $this->nosummary = $request->getBool( 'nosummary' );
898
899 // May be overridden by revision.
900 $this->contentModel = $request->getText( 'model', $this->contentModel );
901 // May be overridden by revision.
902 $this->contentFormat = $request->getText( 'format', $this->contentFormat );
903
904 if ( !ContentHandler::getForModelID( $this->contentModel )
905 ->isSupportedFormat( $this->contentFormat )
906 ) {
907 throw new ErrorPageError(
908 'editpage-notsupportedcontentformat-title',
909 'editpage-notsupportedcontentformat-text',
910 array( $this->contentFormat, ContentHandler::getLocalizedName( $this->contentModel ) )
911 );
912 }
913
914 /**
915 * @todo Check if the desired model is allowed in this namespace, and if
916 * a transition from the page's current model to the new model is
917 * allowed.
918 */
919
920 $this->live = $request->getCheck( 'live' );
921 $this->editintro = $request->getText( 'editintro',
922 // Custom edit intro for new sections
923 $this->section === 'new' ? 'MediaWiki:addsection-editintro' : '' );
924
925 // Allow extensions to modify form data
926 wfRunHooks( 'EditPage::importFormData', array( $this, $request ) );
927
928 wfProfileOut( __METHOD__ );
929 }
930
931 /**
932 * Subpage overridable method for extracting the page content data from the
933 * posted form to be placed in $this->textbox1, if using customized input
934 * this method should be overridden and return the page text that will be used
935 * for saving, preview parsing and so on...
936 *
937 * @param WebRequest $request
938 */
939 protected function importContentFormData( &$request ) {
940 return; // Don't do anything, EditPage already extracted wpTextbox1
941 }
942
943 /**
944 * Initialise form fields in the object
945 * Called on the first invocation, e.g. when a user clicks an edit link
946 * @return bool If the requested section is valid
947 */
948 function initialiseForm() {
949 global $wgUser;
950 $this->edittime = $this->mArticle->getTimestamp();
951
952 $content = $this->getContentObject( false ); #TODO: track content object?!
953 if ( $content === false ) {
954 return false;
955 }
956 $this->textbox1 = $this->toEditText( $content );
957
958 // activate checkboxes if user wants them to be always active
959 # Sort out the "watch" checkbox
960 if ( $wgUser->getOption( 'watchdefault' ) ) {
961 # Watch all edits
962 $this->watchthis = true;
963 } elseif ( $wgUser->getOption( 'watchcreations' ) && !$this->mTitle->exists() ) {
964 # Watch creations
965 $this->watchthis = true;
966 } elseif ( $wgUser->isWatched( $this->mTitle ) ) {
967 # Already watched
968 $this->watchthis = true;
969 }
970 if ( $wgUser->getOption( 'minordefault' ) && !$this->isNew ) {
971 $this->minoredit = true;
972 }
973 if ( $this->textbox1 === false ) {
974 return false;
975 }
976 return true;
977 }
978
979 /**
980 * Fetch initial editing page content.
981 *
982 * @param string|bool $def_text
983 * @return string|bool string on success, $def_text for invalid sections
984 * @private
985 * @deprecated since 1.21, get WikiPage::getContent() instead.
986 */
987 function getContent( $def_text = false ) {
988 ContentHandler::deprecated( __METHOD__, '1.21' );
989
990 if ( $def_text !== null && $def_text !== false && $def_text !== '' ) {
991 $def_content = $this->toEditContent( $def_text );
992 } else {
993 $def_content = false;
994 }
995
996 $content = $this->getContentObject( $def_content );
997
998 // Note: EditPage should only be used with text based content anyway.
999 return $this->toEditText( $content );
1000 }
1001
1002 /**
1003 * @param Content|null $def_content The default value to return
1004 *
1005 * @return Content|null Content on success, $def_content for invalid sections
1006 *
1007 * @since 1.21
1008 */
1009 protected function getContentObject( $def_content = null ) {
1010 global $wgOut, $wgRequest, $wgUser, $wgContLang;
1011
1012 wfProfileIn( __METHOD__ );
1013
1014 $content = false;
1015
1016 // For message page not locally set, use the i18n message.
1017 // For other non-existent articles, use preload text if any.
1018 if ( !$this->mTitle->exists() || $this->section == 'new' ) {
1019 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && $this->section != 'new' ) {
1020 # If this is a system message, get the default text.
1021 $msg = $this->mTitle->getDefaultMessageText();
1022
1023 $content = $this->toEditContent( $msg );
1024 }
1025 if ( $content === false ) {
1026 # If requested, preload some text.
1027 $preload = $wgRequest->getVal( 'preload',
1028 // Custom preload text for new sections
1029 $this->section === 'new' ? 'MediaWiki:addsection-preload' : '' );
1030 $params = $wgRequest->getArray( 'preloadparams', array() );
1031
1032 $content = $this->getPreloadedContent( $preload, $params );
1033 }
1034 // For existing pages, get text based on "undo" or section parameters.
1035 } else {
1036 if ( $this->section != '' ) {
1037 // Get section edit text (returns $def_text for invalid sections)
1038 $orig = $this->getOriginalContent( $wgUser );
1039 $content = $orig ? $orig->getSection( $this->section ) : null;
1040
1041 if ( !$content ) {
1042 $content = $def_content;
1043 }
1044 } else {
1045 $undoafter = $wgRequest->getInt( 'undoafter' );
1046 $undo = $wgRequest->getInt( 'undo' );
1047
1048 if ( $undo > 0 && $undoafter > 0 ) {
1049
1050 $undorev = Revision::newFromId( $undo );
1051 $oldrev = Revision::newFromId( $undoafter );
1052
1053 # Sanity check, make sure it's the right page,
1054 # the revisions exist and they were not deleted.
1055 # Otherwise, $content will be left as-is.
1056 if ( !is_null( $undorev ) && !is_null( $oldrev ) &&
1057 !$undorev->isDeleted( Revision::DELETED_TEXT ) &&
1058 !$oldrev->isDeleted( Revision::DELETED_TEXT ) ) {
1059
1060 $content = $this->mArticle->getUndoContent( $undorev, $oldrev );
1061
1062 if ( $content === false ) {
1063 # Warn the user that something went wrong
1064 $undoMsg = 'failure';
1065 } else {
1066 $oldContent = $this->mArticle->getPage()->getContent( Revision::RAW );
1067 $popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
1068 $newContent = $content->preSaveTransform( $this->mTitle, $wgUser, $popts );
1069
1070 if ( $newContent->equals( $oldContent ) ) {
1071 # Tell the user that the undo results in no change,
1072 # i.e. the revisions were already undone.
1073 $undoMsg = 'nochange';
1074 $content = false;
1075 } else {
1076 # Inform the user of our success and set an automatic edit summary
1077 $undoMsg = 'success';
1078
1079 # If we just undid one rev, use an autosummary
1080 $firstrev = $oldrev->getNext();
1081 if ( $firstrev && $firstrev->getId() == $undo ) {
1082 $userText = $undorev->getUserText();
1083 if ( $userText === '' ) {
1084 $undoSummary = wfMessage(
1085 'undo-summary-username-hidden',
1086 $undo
1087 )->inContentLanguage()->text();
1088 } else {
1089 $undoSummary = wfMessage(
1090 'undo-summary',
1091 $undo,
1092 $userText
1093 )->inContentLanguage()->text();
1094 }
1095 if ( $this->summary === '' ) {
1096 $this->summary = $undoSummary;
1097 } else {
1098 $this->summary = $undoSummary . wfMessage( 'colon-separator' )
1099 ->inContentLanguage()->text() . $this->summary;
1100 }
1101 $this->undidRev = $undo;
1102 }
1103 $this->formtype = 'diff';
1104 }
1105 }
1106 } else {
1107 // Failed basic sanity checks.
1108 // Older revisions may have been removed since the link
1109 // was created, or we may simply have got bogus input.
1110 $undoMsg = 'norev';
1111 }
1112
1113 // Messages: undo-success, undo-failure, undo-norev, undo-nochange
1114 $class = ( $undoMsg == 'success' ? '' : 'error ' ) . "mw-undo-{$undoMsg}";
1115 $this->editFormPageTop .= $wgOut->parse( "<div class=\"{$class}\">" .
1116 wfMessage( 'undo-' . $undoMsg )->plain() . '</div>', true, /* interface */true );
1117 }
1118
1119 if ( $content === false ) {
1120 $content = $this->getOriginalContent( $wgUser );
1121 }
1122 }
1123 }
1124
1125 wfProfileOut( __METHOD__ );
1126 return $content;
1127 }
1128
1129 /**
1130 * Get the content of the wanted revision, without section extraction.
1131 *
1132 * The result of this function can be used to compare user's input with
1133 * section replaced in its context (using WikiPage::replaceSection())
1134 * to the original text of the edit.
1135 *
1136 * This differs from Article::getContent() that when a missing revision is
1137 * encountered the result will be null and not the
1138 * 'missing-revision' message.
1139 *
1140 * @since 1.19
1141 * @param User $user The user to get the revision for
1142 * @return Content|null
1143 */
1144 private function getOriginalContent( User $user ) {
1145 if ( $this->section == 'new' ) {
1146 return $this->getCurrentContent();
1147 }
1148 $revision = $this->mArticle->getRevisionFetched();
1149 if ( $revision === null ) {
1150 if ( !$this->contentModel ) {
1151 $this->contentModel = $this->getTitle()->getContentModel();
1152 }
1153 $handler = ContentHandler::getForModelID( $this->contentModel );
1154
1155 return $handler->makeEmptyContent();
1156 }
1157 $content = $revision->getContent( Revision::FOR_THIS_USER, $user );
1158 return $content;
1159 }
1160
1161 /**
1162 * Get the current content of the page. This is basically similar to
1163 * WikiPage::getContent( Revision::RAW ) except that when the page doesn't exist an empty
1164 * content object is returned instead of null.
1165 *
1166 * @since 1.21
1167 * @return Content
1168 */
1169 protected function getCurrentContent() {
1170 $rev = $this->mArticle->getRevision();
1171 $content = $rev ? $rev->getContent( Revision::RAW ) : null;
1172
1173 if ( $content === false || $content === null ) {
1174 if ( !$this->contentModel ) {
1175 $this->contentModel = $this->getTitle()->getContentModel();
1176 }
1177 $handler = ContentHandler::getForModelID( $this->contentModel );
1178
1179 return $handler->makeEmptyContent();
1180 } else {
1181 # nasty side-effect, but needed for consistency
1182 $this->contentModel = $rev->getContentModel();
1183 $this->contentFormat = $rev->getContentFormat();
1184
1185 return $content;
1186 }
1187 }
1188
1189 /**
1190 * Use this method before edit() to preload some text into the edit box
1191 *
1192 * @param string $text
1193 * @deprecated since 1.21, use setPreloadedContent() instead.
1194 */
1195 public function setPreloadedText( $text ) {
1196 ContentHandler::deprecated( __METHOD__, "1.21" );
1197
1198 $content = $this->toEditContent( $text );
1199
1200 $this->setPreloadedContent( $content );
1201 }
1202
1203 /**
1204 * Use this method before edit() to preload some content into the edit box
1205 *
1206 * @param Content $content
1207 *
1208 * @since 1.21
1209 */
1210 public function setPreloadedContent( Content $content ) {
1211 $this->mPreloadContent = $content;
1212 }
1213
1214 /**
1215 * Get the contents to be preloaded into the box, either set by
1216 * an earlier setPreloadText() or by loading the given page.
1217 *
1218 * @param string $preload representing the title to preload from.
1219 *
1220 * @return string
1221 *
1222 * @deprecated since 1.21, use getPreloadedContent() instead
1223 */
1224 protected function getPreloadedText( $preload ) {
1225 ContentHandler::deprecated( __METHOD__, "1.21" );
1226
1227 $content = $this->getPreloadedContent( $preload );
1228 $text = $this->toEditText( $content );
1229
1230 return $text;
1231 }
1232
1233 /**
1234 * Get the contents to be preloaded into the box, either set by
1235 * an earlier setPreloadText() or by loading the given page.
1236 *
1237 * @param string $preload Representing the title to preload from.
1238 * @param array $params Parameters to use (interface-message style) in the preloaded text
1239 *
1240 * @return Content
1241 *
1242 * @since 1.21
1243 */
1244 protected function getPreloadedContent( $preload, $params = array() ) {
1245 global $wgUser;
1246
1247 if ( !empty( $this->mPreloadContent ) ) {
1248 return $this->mPreloadContent;
1249 }
1250
1251 $handler = ContentHandler::getForTitle( $this->getTitle() );
1252
1253 if ( $preload === '' ) {
1254 return $handler->makeEmptyContent();
1255 }
1256
1257 $title = Title::newFromText( $preload );
1258 # Check for existence to avoid getting MediaWiki:Noarticletext
1259 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1260 //TODO: somehow show a warning to the user!
1261 return $handler->makeEmptyContent();
1262 }
1263
1264 $page = WikiPage::factory( $title );
1265 if ( $page->isRedirect() ) {
1266 $title = $page->getRedirectTarget();
1267 # Same as before
1268 if ( $title === null || !$title->exists() || !$title->userCan( 'read', $wgUser ) ) {
1269 //TODO: somehow show a warning to the user!
1270 return $handler->makeEmptyContent();
1271 }
1272 $page = WikiPage::factory( $title );
1273 }
1274
1275 $parserOptions = ParserOptions::newFromUser( $wgUser );
1276 $content = $page->getContent( Revision::RAW );
1277
1278 if ( !$content ) {
1279 //TODO: somehow show a warning to the user!
1280 return $handler->makeEmptyContent();
1281 }
1282
1283 if ( $content->getModel() !== $handler->getModelID() ) {
1284 $converted = $content->convert( $handler->getModelID() );
1285
1286 if ( !$converted ) {
1287 //TODO: somehow show a warning to the user!
1288 wfDebug( "Attempt to preload incompatible content: "
1289 . "can't convert " . $content->getModel()
1290 . " to " . $handler->getModelID() );
1291
1292 return $handler->makeEmptyContent();
1293 }
1294
1295 $content = $converted;
1296 }
1297
1298 return $content->preloadTransform( $title, $parserOptions, $params );
1299 }
1300
1301 /**
1302 * Make sure the form isn't faking a user's credentials.
1303 *
1304 * @param WebRequest $request
1305 * @return bool
1306 * @private
1307 */
1308 function tokenOk( &$request ) {
1309 global $wgUser;
1310 $token = $request->getVal( 'wpEditToken' );
1311 $this->mTokenOk = $wgUser->matchEditToken( $token );
1312 $this->mTokenOkExceptSuffix = $wgUser->matchEditTokenNoSuffix( $token );
1313 return $this->mTokenOk;
1314 }
1315
1316 /**
1317 * Sets post-edit cookie indicating the user just saved a particular revision.
1318 *
1319 * This uses a temporary cookie for each revision ID so separate saves will never
1320 * interfere with each other.
1321 *
1322 * The cookie is deleted in the mediawiki.action.view.postEdit JS module after
1323 * the redirect. It must be clearable by JavaScript code, so it must not be
1324 * marked HttpOnly. The JavaScript code converts the cookie to a wgPostEdit config
1325 * variable.
1326 *
1327 * If the variable were set on the server, it would be cached, which is unwanted
1328 * since the post-edit state should only apply to the load right after the save.
1329 *
1330 * @param $statusValue int The status value (to check for new article status)
1331 */
1332 protected function setPostEditCookie( $statusValue ) {
1333 $revisionId = $this->mArticle->getLatest();
1334 $postEditKey = self::POST_EDIT_COOKIE_KEY_PREFIX . $revisionId;
1335
1336 $val = 'saved';
1337 if ( $statusValue == self::AS_SUCCESS_NEW_ARTICLE ) {
1338 $val = 'created';
1339 } elseif ( $this->oldid ) {
1340 $val = 'restored';
1341 }
1342
1343 $response = RequestContext::getMain()->getRequest()->response();
1344 $response->setcookie( $postEditKey, $val, time() + self::POST_EDIT_COOKIE_DURATION, array(
1345 'httpOnly' => false,
1346 ) );
1347 }
1348
1349 /**
1350 * Attempt submission
1351 * @throws UserBlockedError|ReadOnlyError|ThrottledError|PermissionsError
1352 * @return bool false if output is done, true if the rest of the form should be displayed
1353 */
1354 public function attemptSave() {
1355 global $wgUser;
1356
1357 $resultDetails = false;
1358 # Allow bots to exempt some edits from bot flagging
1359 $bot = $wgUser->isAllowed( 'bot' ) && $this->bot;
1360 $status = $this->internalAttemptSave( $resultDetails, $bot );
1361
1362 return $this->handleStatus( $status, $resultDetails );
1363 }
1364
1365 /**
1366 * Handle status, such as after attempt save
1367 *
1368 * @param Status $status
1369 * @param array|bool $resultDetails
1370 *
1371 * @throws ErrorPageError
1372 * @return bool false, if output is done, true if rest of the form should be displayed
1373 */
1374 private function handleStatus( Status $status, $resultDetails ) {
1375 global $wgUser, $wgOut;
1376
1377 /**
1378 * @todo FIXME: once the interface for internalAttemptSave() is made
1379 * nicer, this should use the message in $status
1380 */
1381 if ( $status->value == self::AS_SUCCESS_UPDATE
1382 || $status->value == self::AS_SUCCESS_NEW_ARTICLE
1383 ) {
1384 $this->didSave = true;
1385 if ( !$resultDetails['nullEdit'] ) {
1386 $this->setPostEditCookie( $status->value );
1387 }
1388 }
1389
1390 switch ( $status->value ) {
1391 case self::AS_HOOK_ERROR_EXPECTED:
1392 case self::AS_CONTENT_TOO_BIG:
1393 case self::AS_ARTICLE_WAS_DELETED:
1394 case self::AS_CONFLICT_DETECTED:
1395 case self::AS_SUMMARY_NEEDED:
1396 case self::AS_TEXTBOX_EMPTY:
1397 case self::AS_MAX_ARTICLE_SIZE_EXCEEDED:
1398 case self::AS_END:
1399 return true;
1400
1401 case self::AS_HOOK_ERROR:
1402 return false;
1403
1404 case self::AS_PARSE_ERROR:
1405 $wgOut->addWikiText( '<div class="error">' . $status->getWikiText() . '</div>' );
1406 return true;
1407
1408 case self::AS_SUCCESS_NEW_ARTICLE:
1409 $query = $resultDetails['redirect'] ? 'redirect=no' : '';
1410 $anchor = isset( $resultDetails['sectionanchor'] ) ? $resultDetails['sectionanchor'] : '';
1411 $wgOut->redirect( $this->mTitle->getFullURL( $query ) . $anchor );
1412 return false;
1413
1414 case self::AS_SUCCESS_UPDATE:
1415 $extraQuery = '';
1416 $sectionanchor = $resultDetails['sectionanchor'];
1417
1418 // Give extensions a chance to modify URL query on update
1419 wfRunHooks(
1420 'ArticleUpdateBeforeRedirect',
1421 array( $this->mArticle, &$sectionanchor, &$extraQuery )
1422 );
1423
1424 if ( $resultDetails['redirect'] ) {
1425 if ( $extraQuery == '' ) {
1426 $extraQuery = 'redirect=no';
1427 } else {
1428 $extraQuery = 'redirect=no&' . $extraQuery;
1429 }
1430 }
1431 $wgOut->redirect( $this->mTitle->getFullURL( $extraQuery ) . $sectionanchor );
1432 return false;
1433
1434 case self::AS_BLANK_ARTICLE:
1435 $wgOut->redirect( $this->getContextTitle()->getFullURL() );
1436 return false;
1437
1438 case self::AS_SPAM_ERROR:
1439 $this->spamPageWithContent( $resultDetails['spam'] );
1440 return false;
1441
1442 case self::AS_BLOCKED_PAGE_FOR_USER:
1443 throw new UserBlockedError( $wgUser->getBlock() );
1444
1445 case self::AS_IMAGE_REDIRECT_ANON:
1446 case self::AS_IMAGE_REDIRECT_LOGGED:
1447 throw new PermissionsError( 'upload' );
1448
1449 case self::AS_READ_ONLY_PAGE_ANON:
1450 case self::AS_READ_ONLY_PAGE_LOGGED:
1451 throw new PermissionsError( 'edit' );
1452
1453 case self::AS_READ_ONLY_PAGE:
1454 throw new ReadOnlyError;
1455
1456 case self::AS_RATE_LIMITED:
1457 throw new ThrottledError();
1458
1459 case self::AS_NO_CREATE_PERMISSION:
1460 $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
1461 throw new PermissionsError( $permission );
1462
1463 default:
1464 // We don't recognize $status->value. The only way that can happen
1465 // is if an extension hook aborted from inside ArticleSave.
1466 // Render the status object into $this->hookError
1467 // FIXME this sucks, we should just use the Status object throughout
1468 $this->hookError = '<div class="error">' . $status->getWikitext() .
1469 '</div>';
1470 return true;
1471 }
1472 }
1473
1474 /**
1475 * Run hooks that can filter edits just before they get saved.
1476 *
1477 * @param Content $content The Content to filter.
1478 * @param Status $status For reporting the outcome to the caller
1479 * @param User $user The user performing the edit
1480 *
1481 * @return bool
1482 */
1483 protected function runPostMergeFilters( Content $content, Status $status, User $user ) {
1484 // Run old style post-section-merge edit filter
1485 if ( !ContentHandler::runLegacyHooks( 'EditFilterMerged',
1486 array( $this, $content, &$this->hookError, $this->summary ) ) ) {
1487
1488 # Error messages etc. could be handled within the hook...
1489 $status->fatal( 'hookaborted' );
1490 $status->value = self::AS_HOOK_ERROR;
1491 return false;
1492 } elseif ( $this->hookError != '' ) {
1493 # ...or the hook could be expecting us to produce an error
1494 $status->fatal( 'hookaborted' );
1495 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1496 return false;
1497 }
1498
1499 // Run new style post-section-merge edit filter
1500 if ( !wfRunHooks( 'EditFilterMergedContent',
1501 array( $this->mArticle->getContext(), $content, $status, $this->summary,
1502 $user, $this->minoredit ) ) ) {
1503
1504 # Error messages etc. could be handled within the hook...
1505 // XXX: $status->value may already be something informative...
1506 $this->hookError = $status->getWikiText();
1507 $status->fatal( 'hookaborted' );
1508 $status->value = self::AS_HOOK_ERROR;
1509 return false;
1510 } elseif ( !$status->isOK() ) {
1511 # ...or the hook could be expecting us to produce an error
1512 // FIXME this sucks, we should just use the Status object throughout
1513 $this->hookError = $status->getWikiText();
1514 $status->fatal( 'hookaborted' );
1515 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1516 return false;
1517 }
1518
1519 return true;
1520 }
1521
1522 /**
1523 * Attempt submission (no UI)
1524 *
1525 * @param array $result Array to add statuses to, currently with the
1526 * possible keys:
1527 * - spam (string): Spam string from content if any spam is detected by
1528 * matchSpamRegex.
1529 * - sectionanchor (string): Section anchor for a section save.
1530 * - nullEdit (boolean): Set if doEditContent is OK. True if null edit,
1531 * false otherwise.
1532 * - redirect (bool): Set if doEditContent is OK. True if resulting
1533 * revision is a redirect.
1534 * @param bool $bot True if edit is being made under the bot right.
1535 *
1536 * @return Status Status object, possibly with a message, but always with
1537 * one of the AS_* constants in $status->value,
1538 *
1539 * @todo FIXME: This interface is TERRIBLE, but hard to get rid of due to
1540 * various error display idiosyncrasies. There are also lots of cases
1541 * where error metadata is set in the object and retrieved later instead
1542 * of being returned, e.g. AS_CONTENT_TOO_BIG and
1543 * AS_BLOCKED_PAGE_FOR_USER. All that stuff needs to be cleaned up some
1544 * time.
1545 */
1546 function internalAttemptSave( &$result, $bot = false ) {
1547 global $wgUser, $wgRequest, $wgParser, $wgMaxArticleSize;
1548
1549 $status = Status::newGood();
1550
1551 wfProfileIn( __METHOD__ );
1552 wfProfileIn( __METHOD__ . '-checks' );
1553
1554 if ( !wfRunHooks( 'EditPage::attemptSave', array( $this ) ) ) {
1555 wfDebug( "Hook 'EditPage::attemptSave' aborted article saving\n" );
1556 $status->fatal( 'hookaborted' );
1557 $status->value = self::AS_HOOK_ERROR;
1558 wfProfileOut( __METHOD__ . '-checks' );
1559 wfProfileOut( __METHOD__ );
1560 return $status;
1561 }
1562
1563 $spam = $wgRequest->getText( 'wpAntispam' );
1564 if ( $spam !== '' ) {
1565 wfDebugLog(
1566 'SimpleAntiSpam',
1567 $wgUser->getName() .
1568 ' editing "' .
1569 $this->mTitle->getPrefixedText() .
1570 '" submitted bogus field "' .
1571 $spam .
1572 '"'
1573 );
1574 $status->fatal( 'spamprotectionmatch', false );
1575 $status->value = self::AS_SPAM_ERROR;
1576 wfProfileOut( __METHOD__ . '-checks' );
1577 wfProfileOut( __METHOD__ );
1578 return $status;
1579 }
1580
1581 try {
1582 # Construct Content object
1583 $textbox_content = $this->toEditContent( $this->textbox1 );
1584 } catch ( MWContentSerializationException $ex ) {
1585 $status->fatal(
1586 'content-failed-to-parse',
1587 $this->contentModel,
1588 $this->contentFormat,
1589 $ex->getMessage()
1590 );
1591 $status->value = self::AS_PARSE_ERROR;
1592 wfProfileOut( __METHOD__ . '-checks' );
1593 wfProfileOut( __METHOD__ );
1594 return $status;
1595 }
1596
1597 # Check image redirect
1598 if ( $this->mTitle->getNamespace() == NS_FILE &&
1599 $textbox_content->isRedirect() &&
1600 !$wgUser->isAllowed( 'upload' )
1601 ) {
1602 $code = $wgUser->isAnon() ? self::AS_IMAGE_REDIRECT_ANON : self::AS_IMAGE_REDIRECT_LOGGED;
1603 $status->setResult( false, $code );
1604
1605 wfProfileOut( __METHOD__ . '-checks' );
1606 wfProfileOut( __METHOD__ );
1607
1608 return $status;
1609 }
1610
1611 # Check for spam
1612 $match = self::matchSummarySpamRegex( $this->summary );
1613 if ( $match === false && $this->section == 'new' ) {
1614 # $wgSpamRegex is enforced on this new heading/summary because, unlike
1615 # regular summaries, it is added to the actual wikitext.
1616 if ( $this->sectiontitle !== '' ) {
1617 # This branch is taken when the API is used with the 'sectiontitle' parameter.
1618 $match = self::matchSpamRegex( $this->sectiontitle );
1619 } else {
1620 # This branch is taken when the "Add Topic" user interface is used, or the API
1621 # is used with the 'summary' parameter.
1622 $match = self::matchSpamRegex( $this->summary );
1623 }
1624 }
1625 if ( $match === false ) {
1626 $match = self::matchSpamRegex( $this->textbox1 );
1627 }
1628 if ( $match !== false ) {
1629 $result['spam'] = $match;
1630 $ip = $wgRequest->getIP();
1631 $pdbk = $this->mTitle->getPrefixedDBkey();
1632 $match = str_replace( "\n", '', $match );
1633 wfDebugLog( 'SpamRegex', "$ip spam regex hit [[$pdbk]]: \"$match\"" );
1634 $status->fatal( 'spamprotectionmatch', $match );
1635 $status->value = self::AS_SPAM_ERROR;
1636 wfProfileOut( __METHOD__ . '-checks' );
1637 wfProfileOut( __METHOD__ );
1638 return $status;
1639 }
1640 if ( !wfRunHooks(
1641 'EditFilter',
1642 array( $this, $this->textbox1, $this->section, &$this->hookError, $this->summary ) )
1643 ) {
1644 # Error messages etc. could be handled within the hook...
1645 $status->fatal( 'hookaborted' );
1646 $status->value = self::AS_HOOK_ERROR;
1647 wfProfileOut( __METHOD__ . '-checks' );
1648 wfProfileOut( __METHOD__ );
1649 return $status;
1650 } elseif ( $this->hookError != '' ) {
1651 # ...or the hook could be expecting us to produce an error
1652 $status->fatal( 'hookaborted' );
1653 $status->value = self::AS_HOOK_ERROR_EXPECTED;
1654 wfProfileOut( __METHOD__ . '-checks' );
1655 wfProfileOut( __METHOD__ );
1656 return $status;
1657 }
1658
1659 if ( $wgUser->isBlockedFrom( $this->mTitle, false ) ) {
1660 // Auto-block user's IP if the account was "hard" blocked
1661 $wgUser->spreadAnyEditBlock();
1662 # Check block state against master, thus 'false'.
1663 $status->setResult( false, self::AS_BLOCKED_PAGE_FOR_USER );
1664 wfProfileOut( __METHOD__ . '-checks' );
1665 wfProfileOut( __METHOD__ );
1666 return $status;
1667 }
1668
1669 $this->kblength = (int)( strlen( $this->textbox1 ) / 1024 );
1670 if ( $this->kblength > $wgMaxArticleSize ) {
1671 // Error will be displayed by showEditForm()
1672 $this->tooBig = true;
1673 $status->setResult( false, self::AS_CONTENT_TOO_BIG );
1674 wfProfileOut( __METHOD__ . '-checks' );
1675 wfProfileOut( __METHOD__ );
1676 return $status;
1677 }
1678
1679 if ( !$wgUser->isAllowed( 'edit' ) ) {
1680 if ( $wgUser->isAnon() ) {
1681 $status->setResult( false, self::AS_READ_ONLY_PAGE_ANON );
1682 wfProfileOut( __METHOD__ . '-checks' );
1683 wfProfileOut( __METHOD__ );
1684 return $status;
1685 } else {
1686 $status->fatal( 'readonlytext' );
1687 $status->value = self::AS_READ_ONLY_PAGE_LOGGED;
1688 wfProfileOut( __METHOD__ . '-checks' );
1689 wfProfileOut( __METHOD__ );
1690 return $status;
1691 }
1692 }
1693
1694 if ( wfReadOnly() ) {
1695 $status->fatal( 'readonlytext' );
1696 $status->value = self::AS_READ_ONLY_PAGE;
1697 wfProfileOut( __METHOD__ . '-checks' );
1698 wfProfileOut( __METHOD__ );
1699 return $status;
1700 }
1701 if ( $wgUser->pingLimiter() || $wgUser->pingLimiter( 'linkpurge', 0 ) ) {
1702 $status->fatal( 'actionthrottledtext' );
1703 $status->value = self::AS_RATE_LIMITED;
1704 wfProfileOut( __METHOD__ . '-checks' );
1705 wfProfileOut( __METHOD__ );
1706 return $status;
1707 }
1708
1709 # If the article has been deleted while editing, don't save it without
1710 # confirmation
1711 if ( $this->wasDeletedSinceLastEdit() && !$this->recreate ) {
1712 $status->setResult( false, self::AS_ARTICLE_WAS_DELETED );
1713 wfProfileOut( __METHOD__ . '-checks' );
1714 wfProfileOut( __METHOD__ );
1715 return $status;
1716 }
1717
1718 wfProfileOut( __METHOD__ . '-checks' );
1719
1720 # Load the page data from the master. If anything changes in the meantime,
1721 # we detect it by using page_latest like a token in a 1 try compare-and-swap.
1722 $this->mArticle->loadPageData( 'fromdbmaster' );
1723 $new = !$this->mArticle->exists();
1724
1725 if ( $new ) {
1726 // Late check for create permission, just in case *PARANOIA*
1727 if ( !$this->mTitle->userCan( 'create', $wgUser ) ) {
1728 $status->fatal( 'nocreatetext' );
1729 $status->value = self::AS_NO_CREATE_PERMISSION;
1730 wfDebug( __METHOD__ . ": no create permission\n" );
1731 wfProfileOut( __METHOD__ );
1732 return $status;
1733 }
1734
1735 // Don't save a new page if it's blank or if it's a MediaWiki:
1736 // message with content equivalent to default (allow empty pages
1737 // in this case to disable messages, see bug 50124)
1738 $defaultMessageText = $this->mTitle->getDefaultMessageText();
1739 if ( $this->mTitle->getNamespace() === NS_MEDIAWIKI && $defaultMessageText !== false ) {
1740 $defaultText = $defaultMessageText;
1741 } else {
1742 $defaultText = '';
1743 }
1744
1745 if ( $this->textbox1 === $defaultText ) {
1746 $status->setResult( false, self::AS_BLANK_ARTICLE );
1747 wfProfileOut( __METHOD__ );
1748 return $status;
1749 }
1750
1751 if ( !$this->runPostMergeFilters( $textbox_content, $status, $wgUser ) ) {
1752 wfProfileOut( __METHOD__ );
1753 return $status;
1754 }
1755
1756 $content = $textbox_content;
1757
1758 $result['sectionanchor'] = '';
1759 if ( $this->section == 'new' ) {
1760 if ( $this->sectiontitle !== '' ) {
1761 // Insert the section title above the content.
1762 $content = $content->addSectionHeader( $this->sectiontitle );
1763
1764 // Jump to the new section
1765 $result['sectionanchor'] =
1766 $wgParser->guessLegacySectionNameFromWikiText( $this->sectiontitle );
1767
1768 // If no edit summary was specified, create one automatically from the section
1769 // title and have it link to the new section. Otherwise, respect the summary as
1770 // passed.
1771 if ( $this->summary === '' ) {
1772 $cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
1773 $this->summary = wfMessage( 'newsectionsummary' )
1774 ->rawParams( $cleanSectionTitle )->inContentLanguage()->text();
1775 }
1776 } elseif ( $this->summary !== '' ) {
1777 // Insert the section title above the content.
1778 $content = $content->addSectionHeader( $this->summary );
1779
1780 // Jump to the new section
1781 $result['sectionanchor'] = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
1782
1783 // Create a link to the new section from the edit summary.
1784 $cleanSummary = $wgParser->stripSectionName( $this->summary );
1785 $this->summary = wfMessage( 'newsectionsummary' )
1786 ->rawParams( $cleanSummary )->inContentLanguage()->text();
1787 }
1788 }
1789
1790 $status->value = self::AS_SUCCESS_NEW_ARTICLE;
1791
1792 } else { # not $new
1793
1794 # Article exists. Check for edit conflict.
1795
1796 $this->mArticle->clear(); # Force reload of dates, etc.
1797 $timestamp = $this->mArticle->getTimestamp();
1798
1799 wfDebug( "timestamp: {$timestamp}, edittime: {$this->edittime}\n" );
1800
1801 if ( $timestamp != $this->edittime ) {
1802 $this->isConflict = true;
1803 if ( $this->section == 'new' ) {
1804 if ( $this->mArticle->getUserText() == $wgUser->getName() &&
1805 $this->mArticle->getComment() == $this->summary ) {
1806 // Probably a duplicate submission of a new comment.
1807 // This can happen when squid resends a request after
1808 // a timeout but the first one actually went through.
1809 wfDebug( __METHOD__
1810 . ": duplicate new section submission; trigger edit conflict!\n" );
1811 } else {
1812 // New comment; suppress conflict.
1813 $this->isConflict = false;
1814 wfDebug( __METHOD__ . ": conflict suppressed; new section\n" );
1815 }
1816 } elseif ( $this->section == ''
1817 && Revision::userWasLastToEdit(
1818 DB_MASTER, $this->mTitle->getArticleID(),
1819 $wgUser->getId(), $this->edittime
1820 )
1821 ) {
1822 # Suppress edit conflict with self, except for section edits where merging is required.
1823 wfDebug( __METHOD__ . ": Suppressing edit conflict, same user.\n" );
1824 $this->isConflict = false;
1825 }
1826 }
1827
1828 // If sectiontitle is set, use it, otherwise use the summary as the section title.
1829 if ( $this->sectiontitle !== '' ) {
1830 $sectionTitle = $this->sectiontitle;
1831 } else {
1832 $sectionTitle = $this->summary;
1833 }
1834
1835 $content = null;
1836
1837 if ( $this->isConflict ) {
1838 wfDebug( __METHOD__
1839 . ": conflict! getting section '{$this->section}' for time '{$this->edittime}'"
1840 . " (article time '{$timestamp}')\n" );
1841
1842 $content = $this->mArticle->replaceSectionContent(
1843 $this->section,
1844 $textbox_content,
1845 $sectionTitle,
1846 $this->edittime
1847 );
1848 } else {
1849 wfDebug( __METHOD__ . ": getting section '{$this->section}'\n" );
1850 $content = $this->mArticle->replaceSectionContent(
1851 $this->section,
1852 $textbox_content,
1853 $sectionTitle
1854 );
1855 }
1856
1857 if ( is_null( $content ) ) {
1858 wfDebug( __METHOD__ . ": activating conflict; section replace failed.\n" );
1859 $this->isConflict = true;
1860 $content = $textbox_content; // do not try to merge here!
1861 } elseif ( $this->isConflict ) {
1862 # Attempt merge
1863 if ( $this->mergeChangesIntoContent( $content ) ) {
1864 // Successful merge! Maybe we should tell the user the good news?
1865 $this->isConflict = false;
1866 wfDebug( __METHOD__ . ": Suppressing edit conflict, successful merge.\n" );
1867 } else {
1868 $this->section = '';
1869 $this->textbox1 = ContentHandler::getContentText( $content );
1870 wfDebug( __METHOD__ . ": Keeping edit conflict, failed merge.\n" );
1871 }
1872 }
1873
1874 if ( $this->isConflict ) {
1875 $status->setResult( false, self::AS_CONFLICT_DETECTED );
1876 wfProfileOut( __METHOD__ );
1877 return $status;
1878 }
1879
1880 if ( !$this->runPostMergeFilters( $content, $status, $wgUser ) ) {
1881 wfProfileOut( __METHOD__ );
1882 return $status;
1883 }
1884
1885 if ( $this->section == 'new' ) {
1886 // Handle the user preference to force summaries here
1887 if ( !$this->allowBlankSummary && trim( $this->summary ) == '' ) {
1888 $this->missingSummary = true;
1889 $status->fatal( 'missingsummary' ); // or 'missingcommentheader' if $section == 'new'. Blegh
1890 $status->value = self::AS_SUMMARY_NEEDED;
1891 wfProfileOut( __METHOD__ );
1892 return $status;
1893 }
1894
1895 // Do not allow the user to post an empty comment
1896 if ( $this->textbox1 == '' ) {
1897 $this->missingComment = true;
1898 $status->fatal( 'missingcommenttext' );
1899 $status->value = self::AS_TEXTBOX_EMPTY;
1900 wfProfileOut( __METHOD__ );
1901 return $status;
1902 }
1903 } elseif ( !$this->allowBlankSummary
1904 && !$content->equals( $this->getOriginalContent( $wgUser ) )
1905 && !$content->isRedirect()
1906 && md5( $this->summary ) == $this->autoSumm
1907 ) {
1908 $this->missingSummary = true;
1909 $status->fatal( 'missingsummary' );
1910 $status->value = self::AS_SUMMARY_NEEDED;
1911 wfProfileOut( __METHOD__ );
1912 return $status;
1913 }
1914
1915 # All's well
1916 wfProfileIn( __METHOD__ . '-sectionanchor' );
1917 $sectionanchor = '';
1918 if ( $this->section == 'new' ) {
1919 if ( $this->sectiontitle !== '' ) {
1920 $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->sectiontitle );
1921 // If no edit summary was specified, create one automatically from the section
1922 // title and have it link to the new section. Otherwise, respect the summary as
1923 // passed.
1924 if ( $this->summary === '' ) {
1925 $cleanSectionTitle = $wgParser->stripSectionName( $this->sectiontitle );
1926 $this->summary = wfMessage( 'newsectionsummary' )
1927 ->rawParams( $cleanSectionTitle )->inContentLanguage()->text();
1928 }
1929 } elseif ( $this->summary !== '' ) {
1930 $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $this->summary );
1931 # This is a new section, so create a link to the new section
1932 # in the revision summary.
1933 $cleanSummary = $wgParser->stripSectionName( $this->summary );
1934 $this->summary = wfMessage( 'newsectionsummary' )
1935 ->rawParams( $cleanSummary )->inContentLanguage()->text();
1936 }
1937 } elseif ( $this->section != '' ) {
1938 # Try to get a section anchor from the section source, redirect
1939 # to edited section if header found.
1940 # XXX: Might be better to integrate this into Article::replaceSection
1941 # for duplicate heading checking and maybe parsing.
1942 $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
1943 # We can't deal with anchors, includes, html etc in the header for now,
1944 # headline would need to be parsed to improve this.
1945 if ( $hasmatch && strlen( $matches[2] ) > 0 ) {
1946 $sectionanchor = $wgParser->guessLegacySectionNameFromWikiText( $matches[2] );
1947 }
1948 }
1949 $result['sectionanchor'] = $sectionanchor;
1950 wfProfileOut( __METHOD__ . '-sectionanchor' );
1951
1952 // Save errors may fall down to the edit form, but we've now
1953 // merged the section into full text. Clear the section field
1954 // so that later submission of conflict forms won't try to
1955 // replace that into a duplicated mess.
1956 $this->textbox1 = $this->toEditText( $content );
1957 $this->section = '';
1958
1959 $status->value = self::AS_SUCCESS_UPDATE;
1960 }
1961
1962 // Check for length errors again now that the section is merged in
1963 $this->kblength = (int)( strlen( $this->toEditText( $content ) ) / 1024 );
1964 if ( $this->kblength > $wgMaxArticleSize ) {
1965 $this->tooBig = true;
1966 $status->setResult( false, self::AS_MAX_ARTICLE_SIZE_EXCEEDED );
1967 wfProfileOut( __METHOD__ );
1968 return $status;
1969 }
1970
1971 $flags = EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1972 ( $new ? EDIT_NEW : EDIT_UPDATE ) |
1973 ( ( $this->minoredit && !$this->isNew ) ? EDIT_MINOR : 0 ) |
1974 ( $bot ? EDIT_FORCE_BOT : 0 );
1975
1976 $doEditStatus = $this->mArticle->doEditContent( $content, $this->summary, $flags,
1977 false, null, $this->contentFormat );
1978
1979 if ( !$doEditStatus->isOK() ) {
1980 // Failure from doEdit()
1981 // Show the edit conflict page for certain recognized errors from doEdit(),
1982 // but don't show it for errors from extension hooks
1983 $errors = $doEditStatus->getErrorsArray();
1984 if ( in_array( $errors[0][0],
1985 array( 'edit-gone-missing', 'edit-conflict', 'edit-already-exists' ) )
1986 ) {
1987 $this->isConflict = true;
1988 // Destroys data doEdit() put in $status->value but who cares
1989 $doEditStatus->value = self::AS_END;
1990 }
1991 wfProfileOut( __METHOD__ );
1992 return $doEditStatus;
1993 }
1994
1995 $result['nullEdit'] = $doEditStatus->hasMessage( 'edit-no-change' );
1996 if ( $result['nullEdit'] ) {
1997 // We don't know if it was a null edit until now, so increment here
1998 $wgUser->pingLimiter( 'linkpurge' );
1999 }
2000 $result['redirect'] = $content->isRedirect();
2001 $this->updateWatchlist();
2002 wfProfileOut( __METHOD__ );
2003 return $status;
2004 }
2005
2006 /**
2007 * Register the change of watch status
2008 */
2009 protected function updateWatchlist() {
2010 global $wgUser;
2011
2012 if ( $wgUser->isLoggedIn()
2013 && $this->watchthis != $wgUser->isWatched( $this->mTitle, WatchedItem::IGNORE_USER_RIGHTS )
2014 ) {
2015 $fname = __METHOD__;
2016 $title = $this->mTitle;
2017 $watch = $this->watchthis;
2018
2019 // Do this in its own transaction to reduce contention...
2020 $dbw = wfGetDB( DB_MASTER );
2021 $dbw->onTransactionIdle( function() use ( $dbw, $title, $watch, $wgUser, $fname ) {
2022 $dbw->begin( $fname );
2023 WatchAction::doWatchOrUnwatch( $watch, $title, $wgUser );
2024 $dbw->commit( $fname );
2025 } );
2026 }
2027 }
2028
2029 /**
2030 * Attempts to merge text content with base and current revisions
2031 *
2032 * @param string $editText
2033 *
2034 * @return bool
2035 * @deprecated since 1.21, use mergeChangesIntoContent() instead
2036 */
2037 function mergeChangesInto( &$editText ) {
2038 ContentHandler::deprecated( __METHOD__, "1.21" );
2039
2040 $editContent = $this->toEditContent( $editText );
2041
2042 $ok = $this->mergeChangesIntoContent( $editContent );
2043
2044 if ( $ok ) {
2045 $editText = $this->toEditText( $editContent );
2046 return true;
2047 }
2048 return false;
2049 }
2050
2051 /**
2052 * Attempts to do 3-way merge of edit content with a base revision
2053 * and current content, in case of edit conflict, in whichever way appropriate
2054 * for the content type.
2055 *
2056 * @since 1.21
2057 *
2058 * @param Content $editContent
2059 *
2060 * @return bool
2061 */
2062 private function mergeChangesIntoContent( &$editContent ) {
2063 wfProfileIn( __METHOD__ );
2064
2065 $db = wfGetDB( DB_MASTER );
2066
2067 // This is the revision the editor started from
2068 $baseRevision = $this->getBaseRevision();
2069 $baseContent = $baseRevision ? $baseRevision->getContent() : null;
2070
2071 if ( is_null( $baseContent ) ) {
2072 wfProfileOut( __METHOD__ );
2073 return false;
2074 }
2075
2076 // The current state, we want to merge updates into it
2077 $currentRevision = Revision::loadFromTitle( $db, $this->mTitle );
2078 $currentContent = $currentRevision ? $currentRevision->getContent() : null;
2079
2080 if ( is_null( $currentContent ) ) {
2081 wfProfileOut( __METHOD__ );
2082 return false;
2083 }
2084
2085 $handler = ContentHandler::getForModelID( $baseContent->getModel() );
2086
2087 $result = $handler->merge3( $baseContent, $editContent, $currentContent );
2088
2089 if ( $result ) {
2090 $editContent = $result;
2091 wfProfileOut( __METHOD__ );
2092 return true;
2093 }
2094
2095 wfProfileOut( __METHOD__ );
2096 return false;
2097 }
2098
2099 /**
2100 * @return Revision
2101 */
2102 function getBaseRevision() {
2103 if ( !$this->mBaseRevision ) {
2104 $db = wfGetDB( DB_MASTER );
2105 $this->mBaseRevision = Revision::loadFromTimestamp(
2106 $db, $this->mTitle, $this->edittime );
2107 }
2108 return $this->mBaseRevision;
2109 }
2110
2111 /**
2112 * Check given input text against $wgSpamRegex, and return the text of the first match.
2113 *
2114 * @param string $text
2115 *
2116 * @return string|bool Matching string or false
2117 */
2118 public static function matchSpamRegex( $text ) {
2119 global $wgSpamRegex;
2120 // For back compatibility, $wgSpamRegex may be a single string or an array of regexes.
2121 $regexes = (array)$wgSpamRegex;
2122 return self::matchSpamRegexInternal( $text, $regexes );
2123 }
2124
2125 /**
2126 * Check given input text against $wgSummarySpamRegex, and return the text of the first match.
2127 *
2128 * @param string $text
2129 *
2130 * @return string|bool Matching string or false
2131 */
2132 public static function matchSummarySpamRegex( $text ) {
2133 global $wgSummarySpamRegex;
2134 $regexes = (array)$wgSummarySpamRegex;
2135 return self::matchSpamRegexInternal( $text, $regexes );
2136 }
2137
2138 /**
2139 * @param string $text
2140 * @param array $regexes
2141 * @return bool|string
2142 */
2143 protected static function matchSpamRegexInternal( $text, $regexes ) {
2144 foreach ( $regexes as $regex ) {
2145 $matches = array();
2146 if ( preg_match( $regex, $text, $matches ) ) {
2147 return $matches[0];
2148 }
2149 }
2150 return false;
2151 }
2152
2153 function setHeaders() {
2154 global $wgOut, $wgUser;
2155
2156 $wgOut->addModules( 'mediawiki.action.edit' );
2157 $wgOut->addModuleStyles( 'mediawiki.action.edit.styles' );
2158
2159 if ( $wgUser->getOption( 'uselivepreview', false ) ) {
2160 $wgOut->addModules( 'mediawiki.action.edit.preview' );
2161 }
2162
2163 if ( $wgUser->getOption( 'useeditwarning', false ) ) {
2164 $wgOut->addModules( 'mediawiki.action.edit.editWarning' );
2165 }
2166
2167 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2168
2169 # Enabled article-related sidebar, toplinks, etc.
2170 $wgOut->setArticleRelated( true );
2171
2172 $contextTitle = $this->getContextTitle();
2173 if ( $this->isConflict ) {
2174 $msg = 'editconflict';
2175 } elseif ( $contextTitle->exists() && $this->section != '' ) {
2176 $msg = $this->section == 'new' ? 'editingcomment' : 'editingsection';
2177 } else {
2178 $msg = $contextTitle->exists()
2179 || ( $contextTitle->getNamespace() == NS_MEDIAWIKI
2180 && $contextTitle->getDefaultMessageText() !== false
2181 )
2182 ? 'editing'
2183 : 'creating';
2184 }
2185
2186 # Use the title defined by DISPLAYTITLE magic word when present
2187 $displayTitle = isset( $this->mParserOutput ) ? $this->mParserOutput->getDisplayTitle() : false;
2188 if ( $displayTitle === false ) {
2189 $displayTitle = $contextTitle->getPrefixedText();
2190 }
2191 $wgOut->setPageTitle( wfMessage( $msg, $displayTitle ) );
2192 }
2193
2194 /**
2195 * Show all applicable editing introductions
2196 */
2197 protected function showIntro() {
2198 global $wgOut, $wgUser;
2199 if ( $this->suppressIntro ) {
2200 return;
2201 }
2202
2203 $namespace = $this->mTitle->getNamespace();
2204
2205 if ( $namespace == NS_MEDIAWIKI ) {
2206 # Show a warning if editing an interface message
2207 $wgOut->wrapWikiMsg( "<div class='mw-editinginterface'>\n$1\n</div>", 'editinginterface' );
2208 } elseif ( $namespace == NS_FILE ) {
2209 # Show a hint to shared repo
2210 $file = wfFindFile( $this->mTitle );
2211 if ( $file && !$file->isLocal() ) {
2212 $descUrl = $file->getDescriptionUrl();
2213 # there must be a description url to show a hint to shared repo
2214 if ( $descUrl ) {
2215 if ( !$this->mTitle->exists() ) {
2216 $wgOut->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-create\">\n$1\n</div>", array(
2217 'sharedupload-desc-create', $file->getRepo()->getDisplayName(), $descUrl
2218 ) );
2219 } else {
2220 $wgOut->wrapWikiMsg( "<div class=\"mw-sharedupload-desc-edit\">\n$1\n</div>", array(
2221 'sharedupload-desc-edit', $file->getRepo()->getDisplayName(), $descUrl
2222 ) );
2223 }
2224 }
2225 }
2226 }
2227
2228 # Show a warning message when someone creates/edits a user (talk) page but the user does not exist
2229 # Show log extract when the user is currently blocked
2230 if ( $namespace == NS_USER || $namespace == NS_USER_TALK ) {
2231 $parts = explode( '/', $this->mTitle->getText(), 2 );
2232 $username = $parts[0];
2233 $user = User::newFromName( $username, false /* allow IP users*/ );
2234 $ip = User::isIP( $username );
2235 if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
2236 $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n$1\n</div>",
2237 array( 'userpage-userdoesnotexist', wfEscapeWikiText( $username ) ) );
2238 } elseif ( $user->isBlocked() ) { # Show log extract if the user is currently blocked
2239 LogEventsList::showLogExtract(
2240 $wgOut,
2241 'block',
2242 $user->getUserPage(),
2243 '',
2244 array(
2245 'lim' => 1,
2246 'showIfEmpty' => false,
2247 'msgKey' => array(
2248 'blocked-notice-logextract',
2249 $user->getName() # Support GENDER in notice
2250 )
2251 )
2252 );
2253 }
2254 }
2255 # Try to add a custom edit intro, or use the standard one if this is not possible.
2256 if ( !$this->showCustomIntro() && !$this->mTitle->exists() ) {
2257 $helpLink = wfExpandUrl( Skin::makeInternalOrExternalUrl(
2258 wfMessage( 'helppage' )->inContentLanguage()->text()
2259 ) );
2260 if ( $wgUser->isLoggedIn() ) {
2261 $wgOut->wrapWikiMsg(
2262 // Suppress the external link icon, consider the help url an internal one
2263 "<div class=\"mw-newarticletext plainlinks\">\n$1\n</div>",
2264 array(
2265 'newarticletext',
2266 $helpLink
2267 )
2268 );
2269 } else {
2270 $wgOut->wrapWikiMsg(
2271 // Suppress the external link icon, consider the help url an internal one
2272 "<div class=\"mw-newarticletextanon plainlinks\">\n$1\n</div>",
2273 array(
2274 'newarticletextanon',
2275 $helpLink
2276 )
2277 );
2278 }
2279 }
2280 # Give a notice if the user is editing a deleted/moved page...
2281 if ( !$this->mTitle->exists() ) {
2282 LogEventsList::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle,
2283 '',
2284 array(
2285 'lim' => 10,
2286 'conds' => array( "log_action != 'revision'" ),
2287 'showIfEmpty' => false,
2288 'msgKey' => array( 'recreate-moveddeleted-warn' )
2289 )
2290 );
2291 }
2292 }
2293
2294 /**
2295 * Attempt to show a custom editing introduction, if supplied
2296 *
2297 * @return bool
2298 */
2299 protected function showCustomIntro() {
2300 if ( $this->editintro ) {
2301 $title = Title::newFromText( $this->editintro );
2302 if ( $title instanceof Title && $title->exists() && $title->userCan( 'read' ) ) {
2303 global $wgOut;
2304 // Added using template syntax, to take <noinclude>'s into account.
2305 $wgOut->addWikiTextTitleTidy( '<div class="mw-editintro">{{:' . $title->getFullText() . '}}</div>', $this->mTitle );
2306 return true;
2307 }
2308 }
2309 return false;
2310 }
2311
2312 /**
2313 * Gets an editable textual representation of $content.
2314 * The textual representation can be turned by into a Content object by the
2315 * toEditContent() method.
2316 *
2317 * If $content is null or false or a string, $content is returned unchanged.
2318 *
2319 * If the given Content object is not of a type that can be edited using
2320 * the text base EditPage, an exception will be raised. Set
2321 * $this->allowNonTextContent to true to allow editing of non-textual
2322 * content.
2323 *
2324 * @param Content|null|bool|string $content
2325 * @return string The editable text form of the content.
2326 *
2327 * @throws MWException if $content is not an instance of TextContent and
2328 * $this->allowNonTextContent is not true.
2329 */
2330 protected function toEditText( $content ) {
2331 if ( $content === null || $content === false ) {
2332 return $content;
2333 }
2334
2335 if ( is_string( $content ) ) {
2336 return $content;
2337 }
2338
2339 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2340 throw new MWException( 'This content model is not supported: '
2341 . ContentHandler::getLocalizedName( $content->getModel() ) );
2342 }
2343
2344 return $content->serialize( $this->contentFormat );
2345 }
2346
2347 /**
2348 * Turns the given text into a Content object by unserializing it.
2349 *
2350 * If the resulting Content object is not of a type that can be edited using
2351 * the text base EditPage, an exception will be raised. Set
2352 * $this->allowNonTextContent to true to allow editing of non-textual
2353 * content.
2354 *
2355 * @param string|null|bool $text Text to unserialize
2356 * @return Content The content object created from $text. If $text was false
2357 * or null, false resp. null will be returned instead.
2358 *
2359 * @throws MWException if unserializing the text results in a Content
2360 * object that is not an instance of TextContent and
2361 * $this->allowNonTextContent is not true.
2362 */
2363 protected function toEditContent( $text ) {
2364 if ( $text === false || $text === null ) {
2365 return $text;
2366 }
2367
2368 $content = ContentHandler::makeContent( $text, $this->getTitle(),
2369 $this->contentModel, $this->contentFormat );
2370
2371 if ( !$this->isSupportedContentModel( $content->getModel() ) ) {
2372 throw new MWException( 'This content model is not supported: '
2373 . ContentHandler::getLocalizedName( $content->getModel() ) );
2374 }
2375
2376 return $content;
2377 }
2378
2379 /**
2380 * Send the edit form and related headers to $wgOut
2381 * @param callable|null $formCallback That takes an OutputPage parameter; will be called
2382 * during form output near the top, for captchas and the like.
2383 */
2384 function showEditForm( $formCallback = null ) {
2385 global $wgOut, $wgUser;
2386
2387 wfProfileIn( __METHOD__ );
2388
2389 # need to parse the preview early so that we know which templates are used,
2390 # otherwise users with "show preview after edit box" will get a blank list
2391 # we parse this near the beginning so that setHeaders can do the title
2392 # setting work instead of leaving it in getPreviewText
2393 $previewOutput = '';
2394 if ( $this->formtype == 'preview' ) {
2395 $previewOutput = $this->getPreviewText();
2396 }
2397
2398 wfRunHooks( 'EditPage::showEditForm:initial', array( &$this, &$wgOut ) );
2399
2400 $this->setHeaders();
2401
2402 if ( $this->showHeader() === false ) {
2403 wfProfileOut( __METHOD__ );
2404 return;
2405 }
2406
2407 $wgOut->addHTML( $this->editFormPageTop );
2408
2409 if ( $wgUser->getOption( 'previewontop' ) ) {
2410 $this->displayPreviewArea( $previewOutput, true );
2411 }
2412
2413 $wgOut->addHTML( $this->editFormTextTop );
2414
2415 $showToolbar = true;
2416 if ( $this->wasDeletedSinceLastEdit() ) {
2417 if ( $this->formtype == 'save' ) {
2418 // Hide the toolbar and edit area, user can click preview to get it back
2419 // Add an confirmation checkbox and explanation.
2420 $showToolbar = false;
2421 } else {
2422 $wgOut->wrapWikiMsg( "<div class='error mw-deleted-while-editing'>\n$1\n</div>",
2423 'deletedwhileediting' );
2424 }
2425 }
2426
2427 // @todo add EditForm plugin interface and use it here!
2428 // search for textarea1 and textares2, and allow EditForm to override all uses.
2429 $wgOut->addHTML( Html::openElement(
2430 'form',
2431 array(
2432 'id' => self::EDITFORM_ID,
2433 'name' => self::EDITFORM_ID,
2434 'method' => 'post',
2435 'action' => $this->getActionURL( $this->getContextTitle() ),
2436 'enctype' => 'multipart/form-data'
2437 )
2438 ) );
2439
2440 if ( is_callable( $formCallback ) ) {
2441 call_user_func_array( $formCallback, array( &$wgOut ) );
2442 }
2443
2444 // Add an empty field to trip up spambots
2445 $wgOut->addHTML(
2446 Xml::openElement( 'div', array( 'id' => 'antispam-container', 'style' => 'display: none;' ) )
2447 . Html::rawElement(
2448 'label',
2449 array( 'for' => 'wpAntiSpam' ),
2450 wfMessage( 'simpleantispam-label' )->parse()
2451 )
2452 . Xml::element(
2453 'input',
2454 array(
2455 'type' => 'text',
2456 'name' => 'wpAntispam',
2457 'id' => 'wpAntispam',
2458 'value' => ''
2459 )
2460 )
2461 . Xml::closeElement( 'div' )
2462 );
2463
2464 wfRunHooks( 'EditPage::showEditForm:fields', array( &$this, &$wgOut ) );
2465
2466 // Put these up at the top to ensure they aren't lost on early form submission
2467 $this->showFormBeforeText();
2468
2469 if ( $this->wasDeletedSinceLastEdit() && 'save' == $this->formtype ) {
2470 $username = $this->lastDelete->user_name;
2471 $comment = $this->lastDelete->log_comment;
2472
2473 // It is better to not parse the comment at all than to have templates expanded in the middle
2474 // TODO: can the checkLabel be moved outside of the div so that wrapWikiMsg could be used?
2475 $key = $comment === ''
2476 ? 'confirmrecreate-noreason'
2477 : 'confirmrecreate';
2478 $wgOut->addHTML(
2479 '<div class="mw-confirm-recreate">' .
2480 wfMessage( $key, $username, "<nowiki>$comment</nowiki>" )->parse() .
2481 Xml::checkLabel( wfMessage( 'recreate' )->text(), 'wpRecreate', 'wpRecreate', false,
2482 array( 'title' => Linker::titleAttrib( 'recreate' ), 'tabindex' => 1, 'id' => 'wpRecreate' )
2483 ) .
2484 '</div>'
2485 );
2486 }
2487
2488 # When the summary is hidden, also hide them on preview/show changes
2489 if ( $this->nosummary ) {
2490 $wgOut->addHTML( Html::hidden( 'nosummary', true ) );
2491 }
2492
2493 # If a blank edit summary was previously provided, and the appropriate
2494 # user preference is active, pass a hidden tag as wpIgnoreBlankSummary. This will stop the
2495 # user being bounced back more than once in the event that a summary
2496 # is not required.
2497 #####
2498 # For a bit more sophisticated detection of blank summaries, hash the
2499 # automatic one and pass that in the hidden field wpAutoSummary.
2500 if ( $this->missingSummary || ( $this->section == 'new' && $this->nosummary ) ) {
2501 $wgOut->addHTML( Html::hidden( 'wpIgnoreBlankSummary', true ) );
2502 }
2503
2504 if ( $this->undidRev ) {
2505 $wgOut->addHTML( Html::hidden( 'wpUndidRevision', $this->undidRev ) );
2506 }
2507
2508 if ( $this->hasPresetSummary ) {
2509 // If a summary has been preset using &summary= we don't want to prompt for
2510 // a different summary. Only prompt for a summary if the summary is blanked.
2511 // (Bug 17416)
2512 $this->autoSumm = md5( '' );
2513 }
2514
2515 $autosumm = $this->autoSumm ? $this->autoSumm : md5( $this->summary );
2516 $wgOut->addHTML( Html::hidden( 'wpAutoSummary', $autosumm ) );
2517
2518 $wgOut->addHTML( Html::hidden( 'oldid', $this->oldid ) );
2519
2520 $wgOut->addHTML( Html::hidden( 'format', $this->contentFormat ) );
2521 $wgOut->addHTML( Html::hidden( 'model', $this->contentModel ) );
2522
2523 if ( $this->section == 'new' ) {
2524 $this->showSummaryInput( true, $this->summary );
2525 $wgOut->addHTML( $this->getSummaryPreview( true, $this->summary ) );
2526 }
2527
2528 $wgOut->addHTML( $this->editFormTextBeforeContent );
2529
2530 if ( !$this->isCssJsSubpage && $showToolbar && $wgUser->getOption( 'showtoolbar' ) ) {
2531 $wgOut->addHTML( EditPage::getEditToolbar() );
2532 }
2533
2534 if ( $this->isConflict ) {
2535 // In an edit conflict bypass the overridable content form method
2536 // and fallback to the raw wpTextbox1 since editconflicts can't be
2537 // resolved between page source edits and custom ui edits using the
2538 // custom edit ui.
2539 $this->textbox2 = $this->textbox1;
2540
2541 $content = $this->getCurrentContent();
2542 $this->textbox1 = $this->toEditText( $content );
2543
2544 $this->showTextbox1();
2545 } else {
2546 $this->showContentForm();
2547 }
2548
2549 $wgOut->addHTML( $this->editFormTextAfterContent );
2550
2551 $this->showStandardInputs();
2552
2553 $this->showFormAfterText();
2554
2555 $this->showTosSummary();
2556
2557 $this->showEditTools();
2558
2559 $wgOut->addHTML( $this->editFormTextAfterTools . "\n" );
2560
2561 $wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'templatesUsed' ),
2562 Linker::formatTemplates( $this->getTemplates(), $this->preview, $this->section != '' ) ) );
2563
2564 $wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'hiddencats' ),
2565 Linker::formatHiddenCategories( $this->mArticle->getHiddenCategories() ) ) );
2566
2567 $wgOut->addHTML( Html::rawElement( 'div', array( 'class' => 'limitreport' ),
2568 self::getPreviewLimitReport( $this->mParserOutput ) ) );
2569
2570 $wgOut->addModules( 'mediawiki.action.edit.collapsibleFooter' );
2571
2572 if ( $this->isConflict ) {
2573 try {
2574 $this->showConflict();
2575 } catch ( MWContentSerializationException $ex ) {
2576 // this can't really happen, but be nice if it does.
2577 $msg = wfMessage(
2578 'content-failed-to-parse',
2579 $this->contentModel,
2580 $this->contentFormat,
2581 $ex->getMessage()
2582 );
2583 $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>' );
2584 }
2585 }
2586
2587 // Marker for detecting truncated form data. This must be the last
2588 // parameter sent in order to be of use, so do not move me.
2589 $wgOut->addHTML( Html::hidden( 'wpUltimateParam', true ) );
2590 $wgOut->addHTML( $this->editFormTextBottom . "\n</form>\n" );
2591
2592 if ( !$wgUser->getOption( 'previewontop' ) ) {
2593 $this->displayPreviewArea( $previewOutput, false );
2594 }
2595
2596 wfProfileOut( __METHOD__ );
2597 }
2598
2599 /**
2600 * Extract the section title from current section text, if any.
2601 *
2602 * @param string $text
2603 * @return string|bool string or false
2604 */
2605 public static function extractSectionTitle( $text ) {
2606 preg_match( "/^(=+)(.+)\\1\\s*(\n|$)/i", $text, $matches );
2607 if ( !empty( $matches[2] ) ) {
2608 global $wgParser;
2609 return $wgParser->stripSectionName( trim( $matches[2] ) );
2610 } else {
2611 return false;
2612 }
2613 }
2614
2615 /**
2616 * @return bool
2617 */
2618 protected function showHeader() {
2619 global $wgOut, $wgUser, $wgMaxArticleSize, $wgLang;
2620
2621 if ( $this->mTitle->isTalkPage() ) {
2622 $wgOut->addWikiMsg( 'talkpagetext' );
2623 }
2624
2625 // Add edit notices
2626 $wgOut->addHTML( implode( "\n", $this->mTitle->getEditNotices( $this->oldid ) ) );
2627
2628 if ( $this->isConflict ) {
2629 $wgOut->wrapWikiMsg( "<div class='mw-explainconflict'>\n$1\n</div>", 'explainconflict' );
2630 $this->edittime = $this->mArticle->getTimestamp();
2631 } else {
2632 if ( $this->section != '' && !$this->isSectionEditSupported() ) {
2633 // We use $this->section to much before this and getVal('wgSection') directly in other places
2634 // at this point we can't reset $this->section to '' to fallback to non-section editing.
2635 // Someone is welcome to try refactoring though
2636 $wgOut->showErrorPage( 'sectioneditnotsupported-title', 'sectioneditnotsupported-text' );
2637 return false;
2638 }
2639
2640 if ( $this->section != '' && $this->section != 'new' ) {
2641 if ( !$this->summary && !$this->preview && !$this->diff ) {
2642 $sectionTitle = self::extractSectionTitle( $this->textbox1 ); //FIXME: use Content object
2643 if ( $sectionTitle !== false ) {
2644 $this->summary = "/* $sectionTitle */ ";
2645 }
2646 }
2647 }
2648
2649 if ( $this->missingComment ) {
2650 $wgOut->wrapWikiMsg( "<div id='mw-missingcommenttext'>\n$1\n</div>", 'missingcommenttext' );
2651 }
2652
2653 if ( $this->missingSummary && $this->section != 'new' ) {
2654 $wgOut->wrapWikiMsg( "<div id='mw-missingsummary'>\n$1\n</div>", 'missingsummary' );
2655 }
2656
2657 if ( $this->missingSummary && $this->section == 'new' ) {
2658 $wgOut->wrapWikiMsg( "<div id='mw-missingcommentheader'>\n$1\n</div>", 'missingcommentheader' );
2659 }
2660
2661 if ( $this->hookError !== '' ) {
2662 $wgOut->addWikiText( $this->hookError );
2663 }
2664
2665 if ( !$this->checkUnicodeCompliantBrowser() ) {
2666 $wgOut->addWikiMsg( 'nonunicodebrowser' );
2667 }
2668
2669 if ( $this->section != 'new' ) {
2670 $revision = $this->mArticle->getRevisionFetched();
2671 if ( $revision ) {
2672 // Let sysop know that this will make private content public if saved
2673
2674 if ( !$revision->userCan( Revision::DELETED_TEXT, $wgUser ) ) {
2675 $wgOut->wrapWikiMsg(
2676 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
2677 'rev-deleted-text-permission'
2678 );
2679 } elseif ( $revision->isDeleted( Revision::DELETED_TEXT ) ) {
2680 $wgOut->wrapWikiMsg(
2681 "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
2682 'rev-deleted-text-view'
2683 );
2684 }
2685
2686 if ( !$revision->isCurrent() ) {
2687 $this->mArticle->setOldSubtitle( $revision->getId() );
2688 $wgOut->addWikiMsg( 'editingold' );
2689 }
2690 } elseif ( $this->mTitle->exists() ) {
2691 // Something went wrong
2692
2693 $wgOut->wrapWikiMsg( "<div class='errorbox'>\n$1\n</div>\n",
2694 array( 'missing-revision', $this->oldid ) );
2695 }
2696 }
2697 }
2698
2699 if ( wfReadOnly() ) {
2700 $wgOut->wrapWikiMsg(
2701 "<div id=\"mw-read-only-warning\">\n$1\n</div>",
2702 array( 'readonlywarning', wfReadOnlyReason() )
2703 );
2704 } elseif ( $wgUser->isAnon() ) {
2705 if ( $this->formtype != 'preview' ) {
2706 $wgOut->wrapWikiMsg( "<div id=\"mw-anon-edit-warning\">\n$1</div>", 'anoneditwarning' );
2707 } else {
2708 $wgOut->wrapWikiMsg( "<div id=\"mw-anon-preview-warning\">\n$1</div>", 'anonpreviewwarning' );
2709 }
2710 } else {
2711 if ( $this->isCssJsSubpage ) {
2712 # Check the skin exists
2713 if ( $this->isWrongCaseCssJsPage ) {
2714 $wgOut->wrapWikiMsg(
2715 "<div class='error' id='mw-userinvalidcssjstitle'>\n$1\n</div>",
2716 array( 'userinvalidcssjstitle', $this->mTitle->getSkinFromCssJsSubpage() )
2717 );
2718 }
2719 if ( $this->formtype !== 'preview' ) {
2720 if ( $this->isCssSubpage ) {
2721 $wgOut->wrapWikiMsg(
2722 "<div id='mw-usercssyoucanpreview'>\n$1\n</div>",
2723 array( 'usercssyoucanpreview' )
2724 );
2725 }
2726
2727 if ( $this->isJsSubpage ) {
2728 $wgOut->wrapWikiMsg(
2729 "<div id='mw-userjsyoucanpreview'>\n$1\n</div>",
2730 array( 'userjsyoucanpreview' )
2731 );
2732 }
2733 }
2734 }
2735 }
2736
2737 if ( $this->mTitle->isProtected( 'edit' ) &&
2738 MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace() ) !== array( '' )
2739 ) {
2740 # Is the title semi-protected?
2741 if ( $this->mTitle->isSemiProtected() ) {
2742 $noticeMsg = 'semiprotectedpagewarning';
2743 } else {
2744 # Then it must be protected based on static groups (regular)
2745 $noticeMsg = 'protectedpagewarning';
2746 }
2747 LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle, '',
2748 array( 'lim' => 1, 'msgKey' => array( $noticeMsg ) ) );
2749 }
2750 if ( $this->mTitle->isCascadeProtected() ) {
2751 # Is this page under cascading protection from some source pages?
2752 list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources();
2753 $notice = "<div class='mw-cascadeprotectedwarning'>\n$1\n";
2754 $cascadeSourcesCount = count( $cascadeSources );
2755 if ( $cascadeSourcesCount > 0 ) {
2756 # Explain, and list the titles responsible
2757 foreach ( $cascadeSources as $page ) {
2758 $notice .= '* [[:' . $page->getPrefixedText() . "]]\n";
2759 }
2760 }
2761 $notice .= '</div>';
2762 $wgOut->wrapWikiMsg( $notice, array( 'cascadeprotectedwarning', $cascadeSourcesCount ) );
2763 }
2764 if ( !$this->mTitle->exists() && $this->mTitle->getRestrictions( 'create' ) ) {
2765 LogEventsList::showLogExtract( $wgOut, 'protect', $this->mTitle, '',
2766 array( 'lim' => 1,
2767 'showIfEmpty' => false,
2768 'msgKey' => array( 'titleprotectedwarning' ),
2769 'wrap' => "<div class=\"mw-titleprotectedwarning\">\n$1</div>" ) );
2770 }
2771
2772 if ( $this->kblength === false ) {
2773 $this->kblength = (int)( strlen( $this->textbox1 ) / 1024 );
2774 }
2775
2776 if ( $this->tooBig || $this->kblength > $wgMaxArticleSize ) {
2777 $wgOut->wrapWikiMsg( "<div class='error' id='mw-edit-longpageerror'>\n$1\n</div>",
2778 array(
2779 'longpageerror',
2780 $wgLang->formatNum( $this->kblength ),
2781 $wgLang->formatNum( $wgMaxArticleSize )
2782 )
2783 );
2784 } else {
2785 if ( !wfMessage( 'longpage-hint' )->isDisabled() ) {
2786 $wgOut->wrapWikiMsg( "<div id='mw-edit-longpage-hint'>\n$1\n</div>",
2787 array(
2788 'longpage-hint',
2789 $wgLang->formatSize( strlen( $this->textbox1 ) ),
2790 strlen( $this->textbox1 )
2791 )
2792 );
2793 }
2794 }
2795 # Add header copyright warning
2796 $this->showHeaderCopyrightWarning();
2797
2798 return true;
2799 }
2800
2801 /**
2802 * Standard summary input and label (wgSummary), abstracted so EditPage
2803 * subclasses may reorganize the form.
2804 * Note that you do not need to worry about the label's for=, it will be
2805 * inferred by the id given to the input. You can remove them both by
2806 * passing array( 'id' => false ) to $userInputAttrs.
2807 *
2808 * @param string $summary The value of the summary input
2809 * @param string $labelText The html to place inside the label
2810 * @param array $inputAttrs Array of attrs to use on the input
2811 * @param array $spanLabelAttrs Array of attrs to use on the span inside the label
2812 *
2813 * @return array An array in the format array( $label, $input )
2814 */
2815 function getSummaryInput( $summary = "", $labelText = null,
2816 $inputAttrs = null, $spanLabelAttrs = null
2817 ) {
2818 // Note: the maxlength is overridden in JS to 255 and to make it use UTF-8 bytes, not characters.
2819 $inputAttrs = ( is_array( $inputAttrs ) ? $inputAttrs : array() ) + array(
2820 'id' => 'wpSummary',
2821 'maxlength' => '200',
2822 'tabindex' => '1',
2823 'size' => 60,
2824 'spellcheck' => 'true',
2825 ) + Linker::tooltipAndAccesskeyAttribs( 'summary' );
2826
2827 $spanLabelAttrs = ( is_array( $spanLabelAttrs ) ? $spanLabelAttrs : array() ) + array(
2828 'class' => $this->missingSummary ? 'mw-summarymissed' : 'mw-summary',
2829 'id' => "wpSummaryLabel"
2830 );
2831
2832 $label = null;
2833 if ( $labelText ) {
2834 $label = Xml::tags(
2835 'label',
2836 $inputAttrs['id'] ? array( 'for' => $inputAttrs['id'] ) : null,
2837 $labelText
2838 );
2839 $label = Xml::tags( 'span', $spanLabelAttrs, $label );
2840 }
2841
2842 $input = Html::input( 'wpSummary', $summary, 'text', $inputAttrs );
2843
2844 return array( $label, $input );
2845 }
2846
2847 /**
2848 * @param bool $isSubjectPreview true if this is the section subject/title
2849 * up top, or false if this is the comment summary
2850 * down below the textarea
2851 * @param string $summary The text of the summary to display
2852 * @return string
2853 */
2854 protected function showSummaryInput( $isSubjectPreview, $summary = "" ) {
2855 global $wgOut, $wgContLang;
2856 # Add a class if 'missingsummary' is triggered to allow styling of the summary line
2857 $summaryClass = $this->missingSummary ? 'mw-summarymissed' : 'mw-summary';
2858 if ( $isSubjectPreview ) {
2859 if ( $this->nosummary ) {
2860 return;
2861 }
2862 } else {
2863 if ( !$this->mShowSummaryField ) {
2864 return;
2865 }
2866 }
2867 $summary = $wgContLang->recodeForEdit( $summary );
2868 $labelText = wfMessage( $isSubjectPreview ? 'subject' : 'summary' )->parse();
2869 list( $label, $input ) = $this->getSummaryInput(
2870 $summary,
2871 $labelText,
2872 array( 'class' => $summaryClass ),
2873 array()
2874 );
2875 $wgOut->addHTML( "{$label} {$input}" );
2876 }
2877
2878 /**
2879 * @param bool $isSubjectPreview true if this is the section subject/title
2880 * up top, or false if this is the comment summary
2881 * down below the textarea
2882 * @param string $summary The text of the summary to display
2883 * @return string
2884 */
2885 protected function getSummaryPreview( $isSubjectPreview, $summary = "" ) {
2886 // avoid spaces in preview, gets always trimmed on save
2887 $summary = trim( $summary );
2888 if ( !$summary || ( !$this->preview && !$this->diff ) ) {
2889 return "";
2890 }
2891
2892 global $wgParser;
2893
2894 if ( $isSubjectPreview ) {
2895 $summary = wfMessage( 'newsectionsummary' )->rawParams( $wgParser->stripSectionName( $summary ) )
2896 ->inContentLanguage()->text();
2897 }
2898
2899 $message = $isSubjectPreview ? 'subject-preview' : 'summary-preview';
2900
2901 $summary = wfMessage( $message )->parse()
2902 . Linker::commentBlock( $summary, $this->mTitle, $isSubjectPreview );
2903 return Xml::tags( 'div', array( 'class' => 'mw-summary-preview' ), $summary );
2904 }
2905
2906 protected function showFormBeforeText() {
2907 global $wgOut;
2908 $section = htmlspecialchars( $this->section );
2909 $wgOut->addHTML( <<<HTML
2910 <input type='hidden' value="{$section}" name="wpSection" />
2911 <input type='hidden' value="{$this->starttime}" name="wpStarttime" />
2912 <input type='hidden' value="{$this->edittime}" name="wpEdittime" />
2913 <input type='hidden' value="{$this->scrolltop}" name="wpScrolltop" id="wpScrolltop" />
2914
2915 HTML
2916 );
2917 if ( !$this->checkUnicodeCompliantBrowser() ) {
2918 $wgOut->addHTML( Html::hidden( 'safemode', '1' ) );
2919 }
2920 }
2921
2922 protected function showFormAfterText() {
2923 global $wgOut, $wgUser;
2924 /**
2925 * To make it harder for someone to slip a user a page
2926 * which submits an edit form to the wiki without their
2927 * knowledge, a random token is associated with the login
2928 * session. If it's not passed back with the submission,
2929 * we won't save the page, or render user JavaScript and
2930 * CSS previews.
2931 *
2932 * For anon editors, who may not have a session, we just
2933 * include the constant suffix to prevent editing from
2934 * broken text-mangling proxies.
2935 */
2936 $wgOut->addHTML( "\n" . Html::hidden( "wpEditToken", $wgUser->getEditToken() ) . "\n" );
2937 }
2938
2939 /**
2940 * Subpage overridable method for printing the form for page content editing
2941 * By default this simply outputs wpTextbox1
2942 * Subclasses can override this to provide a custom UI for editing;
2943 * be it a form, or simply wpTextbox1 with a modified content that will be
2944 * reverse modified when extracted from the post data.
2945 * Note that this is basically the inverse for importContentFormData
2946 */
2947 protected function showContentForm() {
2948 $this->showTextbox1();
2949 }
2950
2951 /**
2952 * Method to output wpTextbox1
2953 * The $textoverride method can be used by subclasses overriding showContentForm
2954 * to pass back to this method.
2955 *
2956 * @param array $customAttribs Array of html attributes to use in the textarea
2957 * @param string $textoverride Optional text to override $this->textarea1 with
2958 */
2959 protected function showTextbox1( $customAttribs = null, $textoverride = null ) {
2960 if ( $this->wasDeletedSinceLastEdit() && $this->formtype == 'save' ) {
2961 $attribs = array( 'style' => 'display:none;' );
2962 } else {
2963 $classes = array(); // Textarea CSS
2964 if ( $this->mTitle->isProtected( 'edit' ) &&
2965 MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace() ) !== array( '' )
2966 ) {
2967 # Is the title semi-protected?
2968 if ( $this->mTitle->isSemiProtected() ) {
2969 $classes[] = 'mw-textarea-sprotected';
2970 } else {
2971 # Then it must be protected based on static groups (regular)
2972 $classes[] = 'mw-textarea-protected';
2973 }
2974 # Is the title cascade-protected?
2975 if ( $this->mTitle->isCascadeProtected() ) {
2976 $classes[] = 'mw-textarea-cprotected';
2977 }
2978 }
2979
2980 $attribs = array( 'tabindex' => 1 );
2981
2982 if ( is_array( $customAttribs ) ) {
2983 $attribs += $customAttribs;
2984 }
2985
2986 if ( count( $classes ) ) {
2987 if ( isset( $attribs['class'] ) ) {
2988 $classes[] = $attribs['class'];
2989 }
2990 $attribs['class'] = implode( ' ', $classes );
2991 }
2992 }
2993
2994 $this->showTextbox(
2995 $textoverride !== null ? $textoverride : $this->textbox1,
2996 'wpTextbox1',
2997 $attribs
2998 );
2999 }
3000
3001 protected function showTextbox2() {
3002 $this->showTextbox( $this->textbox2, 'wpTextbox2', array( 'tabindex' => 6, 'readonly' ) );
3003 }
3004
3005 protected function showTextbox( $text, $name, $customAttribs = array() ) {
3006 global $wgOut, $wgUser;
3007
3008 $wikitext = $this->safeUnicodeOutput( $text );
3009 if ( strval( $wikitext ) !== '' ) {
3010 // Ensure there's a newline at the end, otherwise adding lines
3011 // is awkward.
3012 // But don't add a newline if the ext is empty, or Firefox in XHTML
3013 // mode will show an extra newline. A bit annoying.
3014 $wikitext .= "\n";
3015 }
3016
3017 $attribs = $customAttribs + array(
3018 'accesskey' => ',',
3019 'id' => $name,
3020 'cols' => $wgUser->getIntOption( 'cols' ),
3021 'rows' => $wgUser->getIntOption( 'rows' ),
3022 // Avoid PHP notices when appending preferences
3023 // (appending allows customAttribs['style'] to still work).
3024 'style' => ''
3025 );
3026
3027 $pageLang = $this->mTitle->getPageLanguage();
3028 $attribs['lang'] = $pageLang->getCode();
3029 $attribs['dir'] = $pageLang->getDir();
3030
3031 $wgOut->addHTML( Html::textarea( $name, $wikitext, $attribs ) );
3032 }
3033
3034 protected function displayPreviewArea( $previewOutput, $isOnTop = false ) {
3035 global $wgOut;
3036 $classes = array();
3037 if ( $isOnTop ) {
3038 $classes[] = 'ontop';
3039 }
3040
3041 $attribs = array( 'id' => 'wikiPreview', 'class' => implode( ' ', $classes ) );
3042
3043 if ( $this->formtype != 'preview' ) {
3044 $attribs['style'] = 'display: none;';
3045 }
3046
3047 $wgOut->addHTML( Xml::openElement( 'div', $attribs ) );
3048
3049 if ( $this->formtype == 'preview' ) {
3050 $this->showPreview( $previewOutput );
3051 }
3052
3053 $wgOut->addHTML( '</div>' );
3054
3055 if ( $this->formtype == 'diff' ) {
3056 try {
3057 $this->showDiff();
3058 } catch ( MWContentSerializationException $ex ) {
3059 $msg = wfMessage(
3060 'content-failed-to-parse',
3061 $this->contentModel,
3062 $this->contentFormat,
3063 $ex->getMessage()
3064 );
3065 $wgOut->addWikiText( '<div class="error">' . $msg->text() . '</div>' );
3066 }
3067 }
3068 }
3069
3070 /**
3071 * Append preview output to $wgOut.
3072 * Includes category rendering if this is a category page.
3073 *
3074 * @param string $text The HTML to be output for the preview.
3075 */
3076 protected function showPreview( $text ) {
3077 global $wgOut;
3078 if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
3079 $this->mArticle->openShowCategory();
3080 }
3081 # This hook seems slightly odd here, but makes things more
3082 # consistent for extensions.
3083 wfRunHooks( 'OutputPageBeforeHTML', array( &$wgOut, &$text ) );
3084 $wgOut->addHTML( $text );
3085 if ( $this->mTitle->getNamespace() == NS_CATEGORY ) {
3086 $this->mArticle->closeShowCategory();
3087 }
3088 }
3089
3090 /**
3091 * Get a diff between the current contents of the edit box and the
3092 * version of the page we're editing from.
3093 *
3094 * If this is a section edit, we'll replace the section as for final
3095 * save and then make a comparison.
3096 */
3097 function showDiff() {
3098 global $wgUser, $wgContLang, $wgOut;
3099
3100 $oldtitlemsg = 'currentrev';
3101 # if message does not exist, show diff against the preloaded default
3102 if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI && !$this->mTitle->exists() ) {
3103 $oldtext = $this->mTitle->getDefaultMessageText();
3104 if ( $oldtext !== false ) {
3105 $oldtitlemsg = 'defaultmessagetext';
3106 $oldContent = $this->toEditContent( $oldtext );
3107 } else {
3108 $oldContent = null;
3109 }
3110 } else {
3111 $oldContent = $this->getCurrentContent();
3112 }
3113
3114 $textboxContent = $this->toEditContent( $this->textbox1 );
3115
3116 $newContent = $this->mArticle->replaceSectionContent(
3117 $this->section, $textboxContent,
3118 $this->summary, $this->edittime );
3119
3120 if ( $newContent ) {
3121 ContentHandler::runLegacyHooks( 'EditPageGetDiffText', array( $this, &$newContent ) );
3122 wfRunHooks( 'EditPageGetDiffContent', array( $this, &$newContent ) );
3123
3124 $popts = ParserOptions::newFromUserAndLang( $wgUser, $wgContLang );
3125 $newContent = $newContent->preSaveTransform( $this->mTitle, $wgUser, $popts );
3126 }
3127
3128 if ( ( $oldContent && !$oldContent->isEmpty() ) || ( $newContent && !$newContent->isEmpty() ) ) {
3129 $oldtitle = wfMessage( $oldtitlemsg )->parse();
3130 $newtitle = wfMessage( 'yourtext' )->parse();
3131
3132 if ( !$oldContent ) {
3133 $oldContent = $newContent->getContentHandler()->makeEmptyContent();
3134 }
3135
3136 if ( !$newContent ) {
3137 $newContent = $oldContent->getContentHandler()->makeEmptyContent();
3138 }
3139
3140 $de = $oldContent->getContentHandler()->createDifferenceEngine( $this->mArticle->getContext() );
3141 $de->setContent( $oldContent, $newContent );
3142
3143 $difftext = $de->getDiff( $oldtitle, $newtitle );
3144 $de->showDiffStyle();
3145 } else {
3146 $difftext = '';
3147 }
3148
3149 $wgOut->addHTML( '<div id="wikiDiff">' . $difftext . '</div>' );
3150 }
3151
3152 /**
3153 * Show the header copyright warning.
3154 */
3155 protected function showHeaderCopyrightWarning() {
3156 $msg = 'editpage-head-copy-warn';
3157 if ( !wfMessage( $msg )->isDisabled() ) {
3158 global $wgOut;
3159 $wgOut->wrapWikiMsg( "<div class='editpage-head-copywarn'>\n$1\n</div>",
3160 'editpage-head-copy-warn' );
3161 }
3162 }
3163
3164 /**
3165 * Give a chance for site and per-namespace customizations of
3166 * terms of service summary link that might exist separately
3167 * from the copyright notice.
3168 *
3169 * This will display between the save button and the edit tools,
3170 * so should remain short!
3171 */
3172 protected function showTosSummary() {
3173 $msg = 'editpage-tos-summary';
3174 wfRunHooks( 'EditPageTosSummary', array( $this->mTitle, &$msg ) );
3175 if ( !wfMessage( $msg )->isDisabled() ) {
3176 global $wgOut;
3177 $wgOut->addHTML( '<div class="mw-tos-summary">' );
3178 $wgOut->addWikiMsg( $msg );
3179 $wgOut->addHTML( '</div>' );
3180 }
3181 }
3182
3183 protected function showEditTools() {
3184 global $wgOut;
3185 $wgOut->addHTML( '<div class="mw-editTools">' .
3186 wfMessage( 'edittools' )->inContentLanguage()->parse() .
3187 '</div>' );
3188 }
3189
3190 /**
3191 * Get the copyright warning
3192 *
3193 * Renamed to getCopyrightWarning(), old name kept around for backwards compatibility
3194 */
3195 protected function getCopywarn() {
3196 return self::getCopyrightWarning( $this->mTitle );
3197 }
3198
3199 /**
3200 * Get the copyright warning, by default returns wikitext
3201 *
3202 * @param Title $title
3203 * @param string $format Output format, valid values are any function of a Message object
3204 * @return string
3205 */
3206 public static function getCopyrightWarning( $title, $format = 'plain' ) {
3207 global $wgRightsText;
3208 if ( $wgRightsText ) {
3209 $copywarnMsg = array( 'copyrightwarning',
3210 '[[' . wfMessage( 'copyrightpage' )->inContentLanguage()->text() . ']]',
3211 $wgRightsText );
3212 } else {
3213 $copywarnMsg = array( 'copyrightwarning2',
3214 '[[' . wfMessage( 'copyrightpage' )->inContentLanguage()->text() . ']]' );
3215 }
3216 // Allow for site and per-namespace customization of contribution/copyright notice.
3217 wfRunHooks( 'EditPageCopyrightWarning', array( $title, &$copywarnMsg ) );
3218
3219 return "<div id=\"editpage-copywarn\">\n" .
3220 call_user_func_array( 'wfMessage', $copywarnMsg )->$format() . "\n</div>";
3221 }
3222
3223 /**
3224 * Get the Limit report for page previews
3225 *
3226 * @since 1.22
3227 * @param ParserOutput $output ParserOutput object from the parse
3228 * @return string HTML
3229 */
3230 public static function getPreviewLimitReport( $output ) {
3231 if ( !$output || !$output->getLimitReportData() ) {
3232 return '';
3233 }
3234
3235 wfProfileIn( __METHOD__ );
3236
3237 $limitReport = Html::rawElement( 'div', array( 'class' => 'mw-limitReportExplanation' ),
3238 wfMessage( 'limitreport-title' )->parseAsBlock()
3239 );
3240
3241 // Show/hide animation doesn't work correctly on a table, so wrap it in a div.
3242 $limitReport .= Html::openElement( 'div', array( 'class' => 'preview-limit-report-wrapper' ) );
3243
3244 $limitReport .= Html::openElement( 'table', array(
3245 'class' => 'preview-limit-report wikitable'
3246 ) ) .
3247 Html::openElement( 'tbody' );
3248
3249 foreach ( $output->getLimitReportData() as $key => $value ) {
3250 if ( wfRunHooks( 'ParserLimitReportFormat',
3251 array( $key, &$value, &$limitReport, true, true )
3252 ) ) {
3253 $keyMsg = wfMessage( $key );
3254 $valueMsg = wfMessage( array( "$key-value-html", "$key-value" ) );
3255 if ( !$valueMsg->exists() ) {
3256 $valueMsg = new RawMessage( '$1' );
3257 }
3258 if ( !$keyMsg->isDisabled() && !$valueMsg->isDisabled() ) {
3259 $limitReport .= Html::openElement( 'tr' ) .
3260 Html::rawElement( 'th', null, $keyMsg->parse() ) .
3261 Html::rawElement( 'td', null, $valueMsg->params( $value )->parse() ) .
3262 Html::closeElement( 'tr' );
3263 }
3264 }
3265 }
3266
3267 $limitReport .= Html::closeElement( 'tbody' ) .
3268 Html::closeElement( 'table' ) .
3269 Html::closeElement( 'div' );
3270
3271 wfProfileOut( __METHOD__ );
3272
3273 return $limitReport;
3274 }
3275
3276 protected function showStandardInputs( &$tabindex = 2 ) {
3277 global $wgOut;
3278 $wgOut->addHTML( "<div class='editOptions'>\n" );
3279
3280 if ( $this->section != 'new' ) {
3281 $this->showSummaryInput( false, $this->summary );
3282 $wgOut->addHTML( $this->getSummaryPreview( false, $this->summary ) );
3283 }
3284
3285 $checkboxes = $this->getCheckboxes( $tabindex,
3286 array( 'minor' => $this->minoredit, 'watch' => $this->watchthis ) );
3287 $wgOut->addHTML( "<div class='editCheckboxes'>" . implode( $checkboxes, "\n" ) . "</div>\n" );
3288
3289 // Show copyright warning.
3290 $wgOut->addWikiText( $this->getCopywarn() );
3291 $wgOut->addHTML( $this->editFormTextAfterWarn );
3292
3293 $wgOut->addHTML( "<div class='editButtons'>\n" );
3294 $wgOut->addHTML( implode( $this->getEditButtons( $tabindex ), "\n" ) . "\n" );
3295
3296 $cancel = $this->getCancelLink();
3297 if ( $cancel !== '' ) {
3298 $cancel .= Html::element( 'span',
3299 array( 'class' => 'mw-editButtons-pipe-separator' ),
3300 wfMessage( 'pipe-separator' )->text() );
3301 }
3302
3303 $message = wfMessage( 'edithelppage' )->inContentLanguage()->text();
3304 $edithelpurl = Skin::makeInternalOrExternalUrl( $message );
3305 $edithelp = '<a target="helpwindow" href="' . $edithelpurl . '">' .
3306 wfMessage( 'edithelp' )->escaped() . '</a> ' .
3307 wfMessage( 'newwindow' )->parse();
3308
3309 $wgOut->addHTML( " <span class='cancelLink'>{$cancel}</span>\n" );
3310 $wgOut->addHTML( " <span class='editHelp'>{$edithelp}</span>\n" );
3311 $wgOut->addHTML( "</div><!-- editButtons -->\n" );
3312
3313 wfRunHooks( 'EditPage::showStandardInputs:options', array( $this, $wgOut, &$tabindex ) );
3314
3315 $wgOut->addHTML( "</div><!-- editOptions -->\n" );
3316 }
3317
3318 /**
3319 * Show an edit conflict. textbox1 is already shown in showEditForm().
3320 * If you want to use another entry point to this function, be careful.
3321 */
3322 protected function showConflict() {
3323 global $wgOut;
3324
3325 if ( wfRunHooks( 'EditPageBeforeConflictDiff', array( &$this, &$wgOut ) ) ) {
3326 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
3327
3328 $content1 = $this->toEditContent( $this->textbox1 );
3329 $content2 = $this->toEditContent( $this->textbox2 );
3330
3331 $handler = ContentHandler::getForModelID( $this->contentModel );
3332 $de = $handler->createDifferenceEngine( $this->mArticle->getContext() );
3333 $de->setContent( $content2, $content1 );
3334 $de->showDiff(
3335 wfMessage( 'yourtext' )->parse(),
3336 wfMessage( 'storedversion' )->text()
3337 );
3338
3339 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
3340 $this->showTextbox2();
3341 }
3342 }
3343
3344 /**
3345 * @return string
3346 */
3347 public function getCancelLink() {
3348 $cancelParams = array();
3349 if ( !$this->isConflict && $this->oldid > 0 ) {
3350 $cancelParams['oldid'] = $this->oldid;
3351 }
3352
3353 return Linker::linkKnown(
3354 $this->getContextTitle(),
3355 wfMessage( 'cancel' )->parse(),
3356 array( 'id' => 'mw-editform-cancel' ),
3357 $cancelParams
3358 );
3359 }
3360
3361 /**
3362 * Returns the URL to use in the form's action attribute.
3363 * This is used by EditPage subclasses when simply customizing the action
3364 * variable in the constructor is not enough. This can be used when the
3365 * EditPage lives inside of a Special page rather than a custom page action.
3366 *
3367 * @param Title $title Title object for which is being edited (where we go to for &action= links)
3368 * @return string
3369 */
3370 protected function getActionURL( Title $title ) {
3371 return $title->getLocalURL( array( 'action' => $this->action ) );
3372 }
3373
3374 /**
3375 * Check if a page was deleted while the user was editing it, before submit.
3376 * Note that we rely on the logging table, which hasn't been always there,
3377 * but that doesn't matter, because this only applies to brand new
3378 * deletes.
3379 * @return bool
3380 */
3381 protected function wasDeletedSinceLastEdit() {
3382 if ( $this->deletedSinceEdit !== null ) {
3383 return $this->deletedSinceEdit;
3384 }
3385
3386 $this->deletedSinceEdit = false;
3387
3388 if ( $this->mTitle->isDeletedQuick() ) {
3389 $this->lastDelete = $this->getLastDelete();
3390 if ( $this->lastDelete ) {
3391 $deleteTime = wfTimestamp( TS_MW, $this->lastDelete->log_timestamp );
3392 if ( $deleteTime > $this->starttime ) {
3393 $this->deletedSinceEdit = true;
3394 }
3395 }
3396 }
3397
3398 return $this->deletedSinceEdit;
3399 }
3400
3401 /**
3402 * @return bool|stdClass
3403 */
3404 protected function getLastDelete() {
3405 $dbr = wfGetDB( DB_SLAVE );
3406 $data = $dbr->selectRow(
3407 array( 'logging', 'user' ),
3408 array(
3409 'log_type',
3410 'log_action',
3411 'log_timestamp',
3412 'log_user',
3413 'log_namespace',
3414 'log_title',
3415 'log_comment',
3416 'log_params',
3417 'log_deleted',
3418 'user_name'
3419 ), array(
3420 'log_namespace' => $this->mTitle->getNamespace(),
3421 'log_title' => $this->mTitle->getDBkey(),
3422 'log_type' => 'delete',
3423 'log_action' => 'delete',
3424 'user_id=log_user'
3425 ),
3426 __METHOD__,
3427 array( 'LIMIT' => 1, 'ORDER BY' => 'log_timestamp DESC' )
3428 );
3429 // Quick paranoid permission checks...
3430 if ( is_object( $data ) ) {
3431 if ( $data->log_deleted & LogPage::DELETED_USER ) {
3432 $data->user_name = wfMessage( 'rev-deleted-user' )->escaped();
3433 }
3434
3435 if ( $data->log_deleted & LogPage::DELETED_COMMENT ) {
3436 $data->log_comment = wfMessage( 'rev-deleted-comment' )->escaped();
3437 }
3438 }
3439
3440 return $data;
3441 }
3442
3443 /**
3444 * Get the rendered text for previewing.
3445 * @throws MWException
3446 * @return string
3447 */
3448 function getPreviewText() {
3449 global $wgOut, $wgUser, $wgRawHtml, $wgLang;
3450
3451 wfProfileIn( __METHOD__ );
3452
3453 if ( $wgRawHtml && !$this->mTokenOk ) {
3454 // Could be an offsite preview attempt. This is very unsafe if
3455 // HTML is enabled, as it could be an attack.
3456 $parsedNote = '';
3457 if ( $this->textbox1 !== '' ) {
3458 // Do not put big scary notice, if previewing the empty
3459 // string, which happens when you initially edit
3460 // a category page, due to automatic preview-on-open.
3461 $parsedNote = $wgOut->parse( "<div class='previewnote'>" .
3462 wfMessage( 'session_fail_preview_html' )->text() . "</div>", true, /* interface */true );
3463 }
3464 wfProfileOut( __METHOD__ );
3465 return $parsedNote;
3466 }
3467
3468 $note = '';
3469
3470 try {
3471 $content = $this->toEditContent( $this->textbox1 );
3472
3473 $previewHTML = '';
3474 if ( !wfRunHooks(
3475 'AlternateEditPreview',
3476 array( $this, &$content, &$previewHTML, &$this->mParserOutput ) )
3477 ) {
3478 wfProfileOut( __METHOD__ );
3479 return $previewHTML;
3480 }
3481
3482 # provide a anchor link to the editform
3483 $continueEditing = '<span class="mw-continue-editing">' .
3484 '[[#' . self::EDITFORM_ID . '|' . $wgLang->getArrow() . ' ' .
3485 wfMessage( 'continue-editing' )->text() . ']]</span>';
3486 if ( $this->mTriedSave && !$this->mTokenOk ) {
3487 if ( $this->mTokenOkExceptSuffix ) {
3488 $note = wfMessage( 'token_suffix_mismatch' )->plain();
3489 } else {
3490 $note = wfMessage( 'session_fail_preview' )->plain();
3491 }
3492 } elseif ( $this->incompleteForm ) {
3493 $note = wfMessage( 'edit_form_incomplete' )->plain();
3494 } else {
3495 $note = wfMessage( 'previewnote' )->plain() . ' ' . $continueEditing;
3496 }
3497
3498 $parserOptions = $this->mArticle->makeParserOptions( $this->mArticle->getContext() );
3499 $parserOptions->setEditSection( false );
3500 $parserOptions->setIsPreview( true );
3501 $parserOptions->setIsSectionPreview( !is_null( $this->section ) && $this->section !== '' );
3502
3503 # don't parse non-wikitext pages, show message about preview
3504 if ( $this->mTitle->isCssJsSubpage() || $this->mTitle->isCssOrJsPage() ) {
3505 if ( $this->mTitle->isCssJsSubpage() ) {
3506 $level = 'user';
3507 } elseif ( $this->mTitle->isCssOrJsPage() ) {
3508 $level = 'site';
3509 } else {
3510 $level = false;
3511 }
3512
3513 if ( $content->getModel() == CONTENT_MODEL_CSS ) {
3514 $format = 'css';
3515 } elseif ( $content->getModel() == CONTENT_MODEL_JAVASCRIPT ) {
3516 $format = 'js';
3517 } else {
3518 $format = false;
3519 }
3520
3521 # Used messages to make sure grep find them:
3522 # Messages: usercsspreview, userjspreview, sitecsspreview, sitejspreview
3523 if ( $level && $format ) {
3524 $note = "<div id='mw-{$level}{$format}preview'>" .
3525 wfMessage( "{$level}{$format}preview" )->text() .
3526 ' ' . $continueEditing . "</div>";
3527 }
3528 }
3529
3530 # If we're adding a comment, we need to show the
3531 # summary as the headline
3532 if ( $this->section === "new" && $this->summary !== "" ) {
3533 $content = $content->addSectionHeader( $this->summary );
3534 }
3535
3536 $hook_args = array( $this, &$content );
3537 ContentHandler::runLegacyHooks( 'EditPageGetPreviewText', $hook_args );
3538 wfRunHooks( 'EditPageGetPreviewContent', $hook_args );
3539
3540 $parserOptions->enableLimitReport();
3541
3542 # For CSS/JS pages, we should have called the ShowRawCssJs hook here.
3543 # But it's now deprecated, so never mind
3544
3545 $content = $content->preSaveTransform( $this->mTitle, $wgUser, $parserOptions );
3546 $parserOutput = $content->getParserOutput(
3547 $this->getArticle()->getTitle(),
3548 null,
3549 $parserOptions
3550 );
3551
3552 $previewHTML = $parserOutput->getText();
3553 $this->mParserOutput = $parserOutput;
3554 $wgOut->addParserOutputNoText( $parserOutput );
3555
3556 if ( count( $parserOutput->getWarnings() ) ) {
3557 $note .= "\n\n" . implode( "\n\n", $parserOutput->getWarnings() );
3558 }
3559 } catch ( MWContentSerializationException $ex ) {
3560 $m = wfMessage(
3561 'content-failed-to-parse',
3562 $this->contentModel,
3563 $this->contentFormat,
3564 $ex->getMessage()
3565 );
3566 $note .= "\n\n" . $m->parse();
3567 $previewHTML = '';
3568 }
3569
3570 if ( $this->isConflict ) {
3571 $conflict = '<h2 id="mw-previewconflict">'
3572 . wfMessage( 'previewconflict' )->escaped() . "</h2>\n";
3573 } else {
3574 $conflict = '<hr />';
3575 }
3576
3577 $previewhead = "<div class='previewnote'>\n" .
3578 '<h2 id="mw-previewheader">' . wfMessage( 'preview' )->escaped() . "</h2>" .
3579 $wgOut->parse( $note, true, /* interface */true ) . $conflict . "</div>\n";
3580
3581 $pageViewLang = $this->mTitle->getPageViewLanguage();
3582 $attribs = array( 'lang' => $pageViewLang->getHtmlCode(), 'dir' => $pageViewLang->getDir(),
3583 'class' => 'mw-content-' . $pageViewLang->getDir() );
3584 $previewHTML = Html::rawElement( 'div', $attribs, $previewHTML );
3585
3586 wfProfileOut( __METHOD__ );
3587 return $previewhead . $previewHTML . $this->previewTextAfterContent;
3588 }
3589
3590 /**
3591 * @return array
3592 */
3593 function getTemplates() {
3594 if ( $this->preview || $this->section != '' ) {
3595 $templates = array();
3596 if ( !isset( $this->mParserOutput ) ) {
3597 return $templates;
3598 }
3599 foreach ( $this->mParserOutput->getTemplates() as $ns => $template ) {
3600 foreach ( array_keys( $template ) as $dbk ) {
3601 $templates[] = Title::makeTitle( $ns, $dbk );
3602 }
3603 }
3604 return $templates;
3605 } else {
3606 return $this->mTitle->getTemplateLinksFrom();
3607 }
3608 }
3609
3610 /**
3611 * Shows a bulletin board style toolbar for common editing functions.
3612 * It can be disabled in the user preferences.
3613 * The necessary JavaScript code can be found in skins/common/edit.js.
3614 *
3615 * @return string
3616 */
3617 static function getEditToolbar() {
3618 global $wgStylePath, $wgContLang, $wgLang, $wgOut;
3619 global $wgEnableUploads, $wgForeignFileRepos;
3620
3621 $imagesAvailable = $wgEnableUploads || count( $wgForeignFileRepos );
3622
3623 /**
3624 * $toolarray is an array of arrays each of which includes the
3625 * filename of the button image (without path), the opening
3626 * tag, the closing tag, optionally a sample text that is
3627 * inserted between the two when no selection is highlighted
3628 * and. The tip text is shown when the user moves the mouse
3629 * over the button.
3630 *
3631 * Also here: accesskeys (key), which are not used yet until
3632 * someone can figure out a way to make them work in
3633 * IE. However, we should make sure these keys are not defined
3634 * on the edit page.
3635 */
3636 $toolarray = array(
3637 array(
3638 'image' => $wgLang->getImageFile( 'button-bold' ),
3639 'id' => 'mw-editbutton-bold',
3640 'open' => '\'\'\'',
3641 'close' => '\'\'\'',
3642 'sample' => wfMessage( 'bold_sample' )->text(),
3643 'tip' => wfMessage( 'bold_tip' )->text(),
3644 'key' => 'B'
3645 ),
3646 array(
3647 'image' => $wgLang->getImageFile( 'button-italic' ),
3648 'id' => 'mw-editbutton-italic',
3649 'open' => '\'\'',
3650 'close' => '\'\'',
3651 'sample' => wfMessage( 'italic_sample' )->text(),
3652 'tip' => wfMessage( 'italic_tip' )->text(),
3653 'key' => 'I'
3654 ),
3655 array(
3656 'image' => $wgLang->getImageFile( 'button-link' ),
3657 'id' => 'mw-editbutton-link',
3658 'open' => '[[',
3659 'close' => ']]',
3660 'sample' => wfMessage( 'link_sample' )->text(),
3661 'tip' => wfMessage( 'link_tip' )->text(),
3662 'key' => 'L'
3663 ),
3664 array(
3665 'image' => $wgLang->getImageFile( 'button-extlink' ),
3666 'id' => 'mw-editbutton-extlink',
3667 'open' => '[',
3668 'close' => ']',
3669 'sample' => wfMessage( 'extlink_sample' )->text(),
3670 'tip' => wfMessage( 'extlink_tip' )->text(),
3671 'key' => 'X'
3672 ),
3673 array(
3674 'image' => $wgLang->getImageFile( 'button-headline' ),
3675 'id' => 'mw-editbutton-headline',
3676 'open' => "\n== ",
3677 'close' => " ==\n",
3678 'sample' => wfMessage( 'headline_sample' )->text(),
3679 'tip' => wfMessage( 'headline_tip' )->text(),
3680 'key' => 'H'
3681 ),
3682 $imagesAvailable ? array(
3683 'image' => $wgLang->getImageFile( 'button-image' ),
3684 'id' => 'mw-editbutton-image',
3685 'open' => '[[' . $wgContLang->getNsText( NS_FILE ) . ':',
3686 'close' => ']]',
3687 'sample' => wfMessage( 'image_sample' )->text(),
3688 'tip' => wfMessage( 'image_tip' )->text(),
3689 'key' => 'D',
3690 ) : false,
3691 $imagesAvailable ? array(
3692 'image' => $wgLang->getImageFile( 'button-media' ),
3693 'id' => 'mw-editbutton-media',
3694 'open' => '[[' . $wgContLang->getNsText( NS_MEDIA ) . ':',
3695 'close' => ']]',
3696 'sample' => wfMessage( 'media_sample' )->text(),
3697 'tip' => wfMessage( 'media_tip' )->text(),
3698 'key' => 'M'
3699 ) : false,
3700 array(
3701 'image' => $wgLang->getImageFile( 'button-nowiki' ),
3702 'id' => 'mw-editbutton-nowiki',
3703 'open' => "<nowiki>",
3704 'close' => "</nowiki>",
3705 'sample' => wfMessage( 'nowiki_sample' )->text(),
3706 'tip' => wfMessage( 'nowiki_tip' )->text(),
3707 'key' => 'N'
3708 ),
3709 array(
3710 'image' => $wgLang->getImageFile( 'button-sig' ),
3711 'id' => 'mw-editbutton-signature',
3712 'open' => '--~~~~',
3713 'close' => '',
3714 'sample' => '',
3715 'tip' => wfMessage( 'sig_tip' )->text(),
3716 'key' => 'Y'
3717 ),
3718 array(
3719 'image' => $wgLang->getImageFile( 'button-hr' ),
3720 'id' => 'mw-editbutton-hr',
3721 'open' => "\n----\n",
3722 'close' => '',
3723 'sample' => '',
3724 'tip' => wfMessage( 'hr_tip' )->text(),
3725 'key' => 'R'
3726 )
3727 );
3728
3729 $script = 'mw.loader.using("mediawiki.action.edit", function() {';
3730 foreach ( $toolarray as $tool ) {
3731 if ( !$tool ) {
3732 continue;
3733 }
3734
3735 $params = array(
3736 $wgStylePath . '/common/images/' . $tool['image'],
3737 // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
3738 // Older browsers show a "speedtip" type message only for ALT.
3739 // Ideally these should be different, realistically they
3740 // probably don't need to be.
3741 $tool['tip'],
3742 $tool['open'],
3743 $tool['close'],
3744 $tool['sample'],
3745 $tool['id'],
3746 );
3747
3748 $script .= Xml::encodeJsCall( 'mw.toolbar.addButton', $params );
3749 }
3750
3751 // This used to be called on DOMReady from mediawiki.action.edit, which
3752 // ended up causing race conditions with the setup code above.
3753 $script .= "\n" .
3754 "// Create button bar\n" .
3755 "$(function() { mw.toolbar.init(); } );\n";
3756
3757 $script .= '});';
3758 $wgOut->addScript( Html::inlineScript( ResourceLoader::makeLoaderConditionalScript( $script ) ) );
3759
3760 $toolbar = '<div id="toolbar"></div>';
3761
3762 wfRunHooks( 'EditPageBeforeEditToolbar', array( &$toolbar ) );
3763
3764 return $toolbar;
3765 }
3766
3767 /**
3768 * Returns an array of html code of the following checkboxes:
3769 * minor and watch
3770 *
3771 * @param int $tabindex Current tabindex
3772 * @param array $checked Array of checkbox => bool, where bool indicates the checked
3773 * status of the checkbox
3774 *
3775 * @return array
3776 */
3777 public function getCheckboxes( &$tabindex, $checked ) {
3778 global $wgUser;
3779
3780 $checkboxes = array();
3781
3782 // don't show the minor edit checkbox if it's a new page or section
3783 if ( !$this->isNew ) {
3784 $checkboxes['minor'] = '';
3785 $minorLabel = wfMessage( 'minoredit' )->parse();
3786 if ( $wgUser->isAllowed( 'minoredit' ) ) {
3787 $attribs = array(
3788 'tabindex' => ++$tabindex,
3789 'accesskey' => wfMessage( 'accesskey-minoredit' )->text(),
3790 'id' => 'wpMinoredit',
3791 );
3792 $checkboxes['minor'] =
3793 Xml::check( 'wpMinoredit', $checked['minor'], $attribs ) .
3794 "&#160;<label for='wpMinoredit' id='mw-editpage-minoredit'" .
3795 Xml::expandAttributes( array( 'title' => Linker::titleAttrib( 'minoredit', 'withaccess' ) ) ) .
3796 ">{$minorLabel}</label>";
3797 }
3798 }
3799
3800 $watchLabel = wfMessage( 'watchthis' )->parse();
3801 $checkboxes['watch'] = '';
3802 if ( $wgUser->isLoggedIn() ) {
3803 $attribs = array(
3804 'tabindex' => ++$tabindex,
3805 'accesskey' => wfMessage( 'accesskey-watch' )->text(),
3806 'id' => 'wpWatchthis',
3807 );
3808 $checkboxes['watch'] =
3809 Xml::check( 'wpWatchthis', $checked['watch'], $attribs ) .
3810 "&#160;<label for='wpWatchthis' id='mw-editpage-watch'" .
3811 Xml::expandAttributes( array( 'title' => Linker::titleAttrib( 'watch', 'withaccess' ) ) ) .
3812 ">{$watchLabel}</label>";
3813 }
3814 wfRunHooks( 'EditPageBeforeEditChecks', array( &$this, &$checkboxes, &$tabindex ) );
3815 return $checkboxes;
3816 }
3817
3818 /**
3819 * Returns an array of html code of the following buttons:
3820 * save, diff, preview and live
3821 *
3822 * @param int $tabindex Current tabindex
3823 *
3824 * @return array
3825 */
3826 public function getEditButtons( &$tabindex ) {
3827 $buttons = array();
3828
3829 // @todo FIXME: Hardcoded square brackets.
3830 $temp = array(
3831 'id' => 'wpSave',
3832 'name' => 'wpSave',
3833 'type' => 'submit',
3834 'tabindex' => ++$tabindex,
3835 'value' => wfMessage( 'savearticle' )->text(),
3836 'accesskey' => wfMessage( 'accesskey-save' )->text(),
3837 'title' => wfMessage( 'tooltip-save' )->text()
3838 . ' [' . wfMessage( 'accesskey-save' )->text() . ']',
3839 );
3840 $buttons['save'] = Xml::element( 'input', $temp, '' );
3841
3842 ++$tabindex; // use the same for preview and live preview
3843 // @todo FIXME: Hardcoded square brackets.
3844 $temp = array(
3845 'id' => 'wpPreview',
3846 'name' => 'wpPreview',
3847 'type' => 'submit',
3848 'tabindex' => $tabindex,
3849 'value' => wfMessage( 'showpreview' )->text(),
3850 'accesskey' => wfMessage( 'accesskey-preview' )->text(),
3851 'title' => wfMessage( 'tooltip-preview' )->text()
3852 . ' [' . wfMessage( 'accesskey-preview' )->text() . ']',
3853 );
3854 $buttons['preview'] = Xml::element( 'input', $temp, '' );
3855 $buttons['live'] = '';
3856
3857 // @todo FIXME: Hardcoded square brackets.
3858 $temp = array(
3859 'id' => 'wpDiff',
3860 'name' => 'wpDiff',
3861 'type' => 'submit',
3862 'tabindex' => ++$tabindex,
3863 'value' => wfMessage( 'showdiff' )->text(),
3864 'accesskey' => wfMessage( 'accesskey-diff' )->text(),
3865 'title' => wfMessage( 'tooltip-diff' )->text()
3866 . ' [' . wfMessage( 'accesskey-diff' )->text() . ']',
3867 );
3868 $buttons['diff'] = Xml::element( 'input', $temp, '' );
3869
3870 wfRunHooks( 'EditPageBeforeEditButtons', array( &$this, &$buttons, &$tabindex ) );
3871 return $buttons;
3872 }
3873
3874 /**
3875 * Output preview text only. This can be sucked into the edit page
3876 * via JavaScript, and saves the server time rendering the skin as
3877 * well as theoretically being more robust on the client (doesn't
3878 * disturb the edit box's undo history, won't eat your text on
3879 * failure, etc).
3880 *
3881 * @todo This doesn't include category or interlanguage links.
3882 * Would need to enhance it a bit, "<s>maybe wrap them in XML
3883 * or something...</s>" that might also require more skin
3884 * initialization, so check whether that's a problem.
3885 */
3886 function livePreview() {
3887 global $wgOut;
3888 $wgOut->disable();
3889 header( 'Content-type: text/xml; charset=utf-8' );
3890 header( 'Cache-control: no-cache' );
3891
3892 $previewText = $this->getPreviewText();
3893 #$categories = $skin->getCategoryLinks();
3894
3895 $s =
3896 '<?xml version="1.0" encoding="UTF-8" ?>' . "\n" .
3897 Xml::tags( 'livepreview', null,
3898 Xml::element( 'preview', null, $previewText )
3899 #. Xml::element( 'category', null, $categories )
3900 );
3901 echo $s;
3902 }
3903
3904 /**
3905 * Call the stock "user is blocked" page
3906 *
3907 * @deprecated since 1.19; throw an exception directly instead
3908 */
3909 function blockedPage() {
3910 wfDeprecated( __METHOD__, '1.19' );
3911 global $wgUser;
3912
3913 throw new UserBlockedError( $wgUser->getBlock() );
3914 }
3915
3916 /**
3917 * Produce the stock "please login to edit pages" page
3918 *
3919 * @deprecated since 1.19; throw an exception directly instead
3920 */
3921 function userNotLoggedInPage() {
3922 wfDeprecated( __METHOD__, '1.19' );
3923 throw new PermissionsError( 'edit' );
3924 }
3925
3926 /**
3927 * Show an error page saying to the user that he has insufficient permissions
3928 * to create a new page
3929 *
3930 * @deprecated since 1.19; throw an exception directly instead
3931 */
3932 function noCreatePermission() {
3933 wfDeprecated( __METHOD__, '1.19' );
3934 $permission = $this->mTitle->isTalkPage() ? 'createtalk' : 'createpage';
3935 throw new PermissionsError( $permission );
3936 }
3937
3938 /**
3939 * Creates a basic error page which informs the user that
3940 * they have attempted to edit a nonexistent section.
3941 */
3942 function noSuchSectionPage() {
3943 global $wgOut;
3944
3945 $wgOut->prepareErrorPage( wfMessage( 'nosuchsectiontitle' ) );
3946
3947 $res = wfMessage( 'nosuchsectiontext', $this->section )->parseAsBlock();
3948 wfRunHooks( 'EditPageNoSuchSection', array( &$this, &$res ) );
3949 $wgOut->addHTML( $res );
3950
3951 $wgOut->returnToMain( false, $this->mTitle );
3952 }
3953
3954 /**
3955 * Show "your edit contains spam" page with your diff and text
3956 *
3957 * @param string|array|bool $match Text (or array of texts) which triggered one or more filters
3958 */
3959 public function spamPageWithContent( $match = false ) {
3960 global $wgOut, $wgLang;
3961 $this->textbox2 = $this->textbox1;
3962
3963 if ( is_array( $match ) ) {
3964 $match = $wgLang->listToText( $match );
3965 }
3966 $wgOut->prepareErrorPage( wfMessage( 'spamprotectiontitle' ) );
3967
3968 $wgOut->addHTML( '<div id="spamprotected">' );
3969 $wgOut->addWikiMsg( 'spamprotectiontext' );
3970 if ( $match ) {
3971 $wgOut->addWikiMsg( 'spamprotectionmatch', wfEscapeWikiText( $match ) );
3972 }
3973 $wgOut->addHTML( '</div>' );
3974
3975 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourdiff" );
3976 $this->showDiff();
3977
3978 $wgOut->wrapWikiMsg( '<h2>$1</h2>', "yourtext" );
3979 $this->showTextbox2();
3980
3981 $wgOut->addReturnTo( $this->getContextTitle(), array( 'action' => 'edit' ) );
3982 }
3983
3984 /**
3985 * Check if the browser is on a blacklist of user-agents known to
3986 * mangle UTF-8 data on form submission. Returns true if Unicode
3987 * should make it through, false if it's known to be a problem.
3988 * @return bool
3989 */
3990 private function checkUnicodeCompliantBrowser() {
3991 global $wgBrowserBlackList, $wgRequest;
3992
3993 $currentbrowser = $wgRequest->getHeader( 'User-Agent' );
3994 if ( $currentbrowser === false ) {
3995 // No User-Agent header sent? Trust it by default...
3996 return true;
3997 }
3998
3999 foreach ( $wgBrowserBlackList as $browser ) {
4000 if ( preg_match( $browser, $currentbrowser ) ) {
4001 return false;
4002 }
4003 }
4004 return true;
4005 }
4006
4007 /**
4008 * Filter an input field through a Unicode de-armoring process if it
4009 * came from an old browser with known broken Unicode editing issues.
4010 *
4011 * @param WebRequest $request
4012 * @param string $field
4013 * @return string
4014 */
4015 protected function safeUnicodeInput( $request, $field ) {
4016 $text = rtrim( $request->getText( $field ) );
4017 return $request->getBool( 'safemode' )
4018 ? $this->unmakeSafe( $text )
4019 : $text;
4020 }
4021
4022 /**
4023 * Filter an output field through a Unicode armoring process if it is
4024 * going to an old browser with known broken Unicode editing issues.
4025 *
4026 * @param string $text
4027 * @return string
4028 */
4029 protected function safeUnicodeOutput( $text ) {
4030 global $wgContLang;
4031 $codedText = $wgContLang->recodeForEdit( $text );
4032 return $this->checkUnicodeCompliantBrowser()
4033 ? $codedText
4034 : $this->makeSafe( $codedText );
4035 }
4036
4037 /**
4038 * A number of web browsers are known to corrupt non-ASCII characters
4039 * in a UTF-8 text editing environment. To protect against this,
4040 * detected browsers will be served an armored version of the text,
4041 * with non-ASCII chars converted to numeric HTML character references.
4042 *
4043 * Preexisting such character references will have a 0 added to them
4044 * to ensure that round-trips do not alter the original data.
4045 *
4046 * @param string $invalue
4047 * @return string
4048 */
4049 private function makeSafe( $invalue ) {
4050 // Armor existing references for reversibility.
4051 $invalue = strtr( $invalue, array( "&#x" => "&#x0" ) );
4052
4053 $bytesleft = 0;
4054 $result = "";
4055 $working = 0;
4056 $valueLength = strlen( $invalue );
4057 for ( $i = 0; $i < $valueLength; $i++ ) {
4058 $bytevalue = ord( $invalue[$i] );
4059 if ( $bytevalue <= 0x7F ) { // 0xxx xxxx
4060 $result .= chr( $bytevalue );
4061 $bytesleft = 0;
4062 } elseif ( $bytevalue <= 0xBF ) { // 10xx xxxx
4063 $working = $working << 6;
4064 $working += ( $bytevalue & 0x3F );
4065 $bytesleft--;
4066 if ( $bytesleft <= 0 ) {
4067 $result .= "&#x" . strtoupper( dechex( $working ) ) . ";";
4068 }
4069 } elseif ( $bytevalue <= 0xDF ) { // 110x xxxx
4070 $working = $bytevalue & 0x1F;
4071 $bytesleft = 1;
4072 } elseif ( $bytevalue <= 0xEF ) { // 1110 xxxx
4073 $working = $bytevalue & 0x0F;
4074 $bytesleft = 2;
4075 } else { // 1111 0xxx
4076 $working = $bytevalue & 0x07;
4077 $bytesleft = 3;
4078 }
4079 }
4080 return $result;
4081 }
4082
4083 /**
4084 * Reverse the previously applied transliteration of non-ASCII characters
4085 * back to UTF-8. Used to protect data from corruption by broken web browsers
4086 * as listed in $wgBrowserBlackList.
4087 *
4088 * @param string $invalue
4089 * @return string
4090 */
4091 private function unmakeSafe( $invalue ) {
4092 $result = "";
4093 $valueLength = strlen( $invalue );
4094 for ( $i = 0; $i < $valueLength; $i++ ) {
4095 if ( ( substr( $invalue, $i, 3 ) == "&#x" ) && ( $invalue[$i + 3] != '0' ) ) {
4096 $i += 3;
4097 $hexstring = "";
4098 do {
4099 $hexstring .= $invalue[$i];
4100 $i++;
4101 } while ( ctype_xdigit( $invalue[$i] ) && ( $i < strlen( $invalue ) ) );
4102
4103 // Do some sanity checks. These aren't needed for reversibility,
4104 // but should help keep the breakage down if the editor
4105 // breaks one of the entities whilst editing.
4106 if ( ( substr( $invalue, $i, 1 ) == ";" ) and ( strlen( $hexstring ) <= 6 ) ) {
4107 $codepoint = hexdec( $hexstring );
4108 $result .= codepointToUtf8( $codepoint );
4109 } else {
4110 $result .= "&#x" . $hexstring . substr( $invalue, $i, 1 );
4111 }
4112 } else {
4113 $result .= substr( $invalue, $i, 1 );
4114 }
4115 }
4116 // reverse the transform that we made for reversibility reasons.
4117 return strtr( $result, array( "&#x0" => "&#x" ) );
4118 }
4119 }