includes/api/ApiEditPage.php

   1 <?php
   2 /**
   3  *
   4  *
   5  * Created on August 16, 2007
   6  *
   7  * Copyright © 2007 Iker Labarga "<Firstname><Lastname>@gmail.com"
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License along
  20  * with this program; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  * http://www.gnu.org/copyleft/gpl.html
  23  *
  24  * @file
  25  */
  26
  27 /**
  28  * A module that allows for editing and creating pages.
  29  *
  30  * Currently, this wraps around the EditPage class in an ugly way,
  31  * EditPage.php should be rewritten to provide a cleaner interface,
  32  * see T20654 if you're inspired to fix this.
  33  *
  34  * @ingroup API
  35  */
  36 class ApiEditPage extends ApiBase {
  37         public function execute() {
  38                 $this->useTransactionalTimeLimit();
  39
  40                 $user = $this->getUser();
  41                 $params = $this->extractRequestParams();
  42
  43                 $this->requireAtLeastOneParameter( $params, 'text', 'appendtext', 'prependtext', 'undo' );
  44
  45                 $pageObj = $this->getTitleOrPageId( $params );
  46                 $titleObj = $pageObj->getTitle();
  47                 $apiResult = $this->getResult();
  48
  49                 if ( $params['redirect'] ) {
  50                         if ( $params['prependtext'] === null && $params['appendtext'] === null
  51                                 && $params['section'] !== 'new'
  52                         ) {
  53                                 $this->dieWithError( 'apierror-redirect-appendonly' );
  54                         }
  55                         if ( $titleObj->isRedirect() ) {
  56                                 $oldTitle = $titleObj;
  57
  58                                 $titles = Revision::newFromTitle( $oldTitle, false, Revision::READ_LATEST )
  59                                         ->getContent( Revision::FOR_THIS_USER, $user )
  60                                         ->getRedirectChain();
  61                                 // array_shift( $titles );
  62
  63                                 $redirValues = [];
  64
  65                                 /** @var $newTitle Title */
  66                                 foreach ( $titles as $id => $newTitle ) {
  67
  68                                         if ( !isset( $titles[$id - 1] ) ) {
  69                                                 $titles[$id - 1] = $oldTitle;
  70                                         }
  71
  72                                         $redirValues[] = [
  73                                                 'from' => $titles[$id - 1]->getPrefixedText(),
  74                                                 'to' => $newTitle->getPrefixedText()
  75                                         ];
  76
  77                                         $titleObj = $newTitle;
  78                                 }
  79
  80                                 ApiResult::setIndexedTagName( $redirValues, 'r' );
  81                                 $apiResult->addValue( null, 'redirects', $redirValues );
  82
  83                                 // Since the page changed, update $pageObj
  84                                 $pageObj = WikiPage::factory( $titleObj );
  85                         }
  86                 }
  87
  88                 if ( !isset( $params['contentmodel'] ) || $params['contentmodel'] == '' ) {
  89                         $contentHandler = $pageObj->getContentHandler();
  90                 } else {
  91                         $contentHandler = ContentHandler::getForModelID( $params['contentmodel'] );
  92                 }
  93                 $contentModel = $contentHandler->getModelID();
  94
  95                 $name = $titleObj->getPrefixedDBkey();
  96                 $model = $contentHandler->getModelID();
  97
  98                 if ( $params['undo'] > 0 ) {
  99                         // allow undo via api
 100                 } elseif ( $contentHandler->supportsDirectApiEditing() === false ) {
 101                         $this->dieWithError( [ 'apierror-no-direct-editing', $model, $name ] );
 102                 }
 103
 104                 if ( !isset( $params['contentformat'] ) || $params['contentformat'] == '' ) {
 105                         $contentFormat = $contentHandler->getDefaultFormat();
 106                 } else {
 107                         $contentFormat = $params['contentformat'];
 108                 }
 109
 110                 if ( !$contentHandler->isSupportedFormat( $contentFormat ) ) {
 111                         $this->dieWithError( [ 'apierror-badformat', $contentFormat, $model, $name ] );
 112                 }
 113
 114                 if ( $params['createonly'] && $titleObj->exists() ) {
 115                         $this->dieWithError( 'apierror-articleexists' );
 116                 }
 117                 if ( $params['nocreate'] && !$titleObj->exists() ) {
 118                         $this->dieWithError( 'apierror-missingtitle' );
 119                 }
 120
 121                 // Now let's check whether we're even allowed to do this
 122                 $this->checkTitleUserPermissions(
 123                         $titleObj,
 124                         $titleObj->exists() ? 'edit' : [ 'edit', 'create' ]
 125                 );
 126
 127                 $toMD5 = $params['text'];
 128                 if ( !is_null( $params['appendtext'] ) || !is_null( $params['prependtext'] ) ) {
 129                         $content = $pageObj->getContent();
 130
 131                         if ( !$content ) {
 132                                 if ( $titleObj->getNamespace() == NS_MEDIAWIKI ) {
 133                                         # If this is a MediaWiki:x message, then load the messages
 134                                         # and return the message value for x.
 135                                         $text = $titleObj->getDefaultMessageText();
 136                                         if ( $text === false ) {
 137                                                 $text = '';
 138                                         }
 139
 140                                         try {
 141                                                 $content = ContentHandler::makeContent( $text, $this->getTitle() );
 142                                         } catch ( MWContentSerializationException $ex ) {
 143                                                 // @todo: Internationalize MWContentSerializationException
 144                                                 $this->dieWithError(
 145                                                         [ 'apierror-contentserializationexception', wfEscapeWikiText( $ex->getMessage() ) ],
 146                                                         'parseerror'
 147                                                 );
 148                                                 return;
 149                                         }
 150                                 } else {
 151                                         # Otherwise, make a new empty content.
 152                                         $content = $contentHandler->makeEmptyContent();
 153                                 }
 154                         }
 155
 156                         // @todo Add support for appending/prepending to the Content interface
 157
 158                         if ( !( $content instanceof TextContent ) ) {
 159                                 $modelName = $contentHandler->getModelID();
 160                                 $this->dieWithError( [ 'apierror-appendnotsupported', $modelName ] );
 161                         }
 162
 163                         if ( !is_null( $params['section'] ) ) {
 164                                 if ( !$contentHandler->supportsSections() ) {
 165                                         $modelName = $contentHandler->getModelID();
 166                                         $this->dieWithError( [ 'apierror-sectionsnotsupported', $modelName ] );
 167                                 }
 168
 169                                 if ( $params['section'] == 'new' ) {
 170                                         // DWIM if they're trying to prepend/append to a new section.
 171                                         $content = null;
 172                                 } else {
 173                                         // Process the content for section edits
 174                                         $section = $params['section'];
 175                                         $content = $content->getSection( $section );
 176
 177                                         if ( !$content ) {
 178                                                 $this->dieWithError( [ 'apierror-nosuchsection', wfEscapeWikiText( $section ) ] );
 179                                         }
 180                                 }
 181                         }
 182
 183                         if ( !$content ) {
 184                                 $text = '';
 185                         } else {
 186                                 $text = $content->serialize( $contentFormat );
 187                         }
 188
 189                         $params['text'] = $params['prependtext'] . $text . $params['appendtext'];
 190                         $toMD5 = $params['prependtext'] . $params['appendtext'];
 191                 }
 192
 193                 if ( $params['undo'] > 0 ) {
 194                         if ( $params['undoafter'] > 0 ) {
 195                                 if ( $params['undo'] < $params['undoafter'] ) {
 196                                         list( $params['undo'], $params['undoafter'] ) =
 197                                                 [ $params['undoafter'], $params['undo'] ];
 198                                 }
 199                                 $undoafterRev = Revision::newFromId( $params['undoafter'] );
 200                         }
 201                         $undoRev = Revision::newFromId( $params['undo'] );
 202                         if ( is_null( $undoRev ) || $undoRev->isDeleted( Revision::DELETED_TEXT ) ) {
 203                                 $this->dieWithError( [ 'apierror-nosuchrevid', $params['undo'] ] );
 204                         }
 205
 206                         if ( $params['undoafter'] == 0 ) {
 207                                 $undoafterRev = $undoRev->getPrevious();
 208                         }
 209                         if ( is_null( $undoafterRev ) || $undoafterRev->isDeleted( Revision::DELETED_TEXT ) ) {
 210                                 $this->dieWithError( [ 'apierror-nosuchrevid', $params['undoafter'] ] );
 211                         }
 212
 213                         if ( $undoRev->getPage() != $pageObj->getId() ) {
 214                                 $this->dieWithError( [ 'apierror-revwrongpage', $undoRev->getId(),
 215                                         $titleObj->getPrefixedText() ] );
 216                         }
 217                         if ( $undoafterRev->getPage() != $pageObj->getId() ) {
 218                                 $this->dieWithError( [ 'apierror-revwrongpage', $undoafterRev->getId(),
 219                                         $titleObj->getPrefixedText() ] );
 220                         }
 221
 222                         $newContent = $contentHandler->getUndoContent(
 223                                 $pageObj->getRevision(),
 224                                 $undoRev,
 225                                 $undoafterRev
 226                         );
 227
 228                         if ( !$newContent ) {
 229                                 $this->dieWithError( 'undo-failure', 'undofailure' );
 230                         }
 231                         if ( empty( $params['contentmodel'] )
 232                                 && empty( $params['contentformat'] )
 233                         ) {
 234                                 // If we are reverting content model, the new content model
 235                                 // might not support the current serialization format, in
 236                                 // which case go back to the old serialization format,
 237                                 // but only if the user hasn't specified a format/model
 238                                 // parameter.
 239                                 if ( !$newContent->isSupportedFormat( $contentFormat ) ) {
 240                                         $contentFormat = $undoafterRev->getContentFormat();
 241                                 }
 242                                 // Override content model with model of undid revision.
 243                                 $contentModel = $newContent->getModel();
 244                         }
 245                         $params['text'] = $newContent->serialize( $contentFormat );
 246                         // If no summary was given and we only undid one rev,
 247                         // use an autosummary
 248                         if ( is_null( $params['summary'] ) &&
 249                                 $titleObj->getNextRevisionID( $undoafterRev->getId() ) == $params['undo']
 250                         ) {
 251                                 $params['summary'] = wfMessage( 'undo-summary' )
 252                                         ->params( $params['undo'], $undoRev->getUserText() )->inContentLanguage()->text();
 253                         }
 254                 }
 255
 256                 // See if the MD5 hash checks out
 257                 if ( !is_null( $params['md5'] ) && md5( $toMD5 ) !== $params['md5'] ) {
 258                         $this->dieWithError( 'apierror-badmd5' );
 259                 }
 260
 261                 // EditPage wants to parse its stuff from a WebRequest
 262                 // That interface kind of sucks, but it's workable
 263                 $requestArray = [
 264                         'wpTextbox1' => $params['text'],
 265                         'format' => $contentFormat,
 266                         'model' => $contentModel,
 267                         'wpEditToken' => $params['token'],
 268                         'wpIgnoreBlankSummary' => true,
 269                         'wpIgnoreBlankArticle' => true,
 270                         'wpIgnoreSelfRedirect' => true,
 271                         'bot' => $params['bot'],
 272                 ];
 273
 274                 if ( !is_null( $params['summary'] ) ) {
 275                         $requestArray['wpSummary'] = $params['summary'];
 276                 }
 277
 278                 if ( !is_null( $params['sectiontitle'] ) ) {
 279                         $requestArray['wpSectionTitle'] = $params['sectiontitle'];
 280                 }
 281
 282                 // TODO: Pass along information from 'undoafter' as well
 283                 if ( $params['undo'] > 0 ) {
 284                         $requestArray['wpUndidRevision'] = $params['undo'];
 285                 }
 286
 287                 // Watch out for basetimestamp == '' or '0'
 288                 // It gets treated as NOW, almost certainly causing an edit conflict
 289                 if ( $params['basetimestamp'] !== null && (bool)$this->getMain()->getVal( 'basetimestamp' ) ) {
 290                         $requestArray['wpEdittime'] = $params['basetimestamp'];
 291                 } else {
 292                         $requestArray['wpEdittime'] = $pageObj->getTimestamp();
 293                 }
 294
 295                 if ( $params['starttimestamp'] !== null ) {
 296                         $requestArray['wpStarttime'] = $params['starttimestamp'];
 297                 } else {
 298                         $requestArray['wpStarttime'] = wfTimestampNow(); // Fake wpStartime
 299                 }
 300
 301                 if ( $params['minor'] || ( !$params['notminor'] && $user->getOption( 'minordefault' ) ) ) {
 302                         $requestArray['wpMinoredit'] = '';
 303                 }
 304
 305                 if ( $params['recreate'] ) {
 306                         $requestArray['wpRecreate'] = '';
 307                 }
 308
 309                 if ( !is_null( $params['section'] ) ) {
 310                         $section = $params['section'];
 311                         if ( !preg_match( '/^((T-)?\d+|new)$/', $section ) ) {
 312                                 $this->dieWithError( 'apierror-invalidsection' );
 313                         }
 314                         $content = $pageObj->getContent();
 315                         if ( $section !== '0' && $section != 'new'
 316                                 && ( !$content || !$content->getSection( $section ) )
 317                         ) {
 318                                 $this->dieWithError( [ 'apierror-nosuchsection', $section ] );
 319                         }
 320                         $requestArray['wpSection'] = $params['section'];
 321                 } else {
 322                         $requestArray['wpSection'] = '';
 323                 }
 324
 325                 $watch = $this->getWatchlistValue( $params['watchlist'], $titleObj );
 326
 327                 // Deprecated parameters
 328                 if ( $params['watch'] ) {
 329                         $watch = true;
 330                 } elseif ( $params['unwatch'] ) {
 331                         $watch = false;
 332                 }
 333
 334                 if ( $watch ) {
 335                         $requestArray['wpWatchthis'] = '';
 336                 }
 337
 338                 // Apply change tags
 339                 if ( count( $params['tags'] ) ) {
 340                         $tagStatus = ChangeTags::canAddTagsAccompanyingChange( $params['tags'], $user );
 341                         if ( $tagStatus->isOK() ) {
 342                                 $requestArray['wpChangeTags'] = implode( ',', $params['tags'] );
 343                         } else {
 344                                 $this->dieStatus( $tagStatus );
 345                         }
 346                 }
 347
 348                 // Pass through anything else we might have been given, to support extensions
 349                 // This is kind of a hack but it's the best we can do to make extensions work
 350                 $requestArray += $this->getRequest()->getValues();
 351
 352                 global $wgTitle, $wgRequest;
 353
 354                 $req = new DerivativeRequest( $this->getRequest(), $requestArray, true );
 355
 356                 // Some functions depend on $wgTitle == $ep->mTitle
 357                 // TODO: Make them not or check if they still do
 358                 $wgTitle = $titleObj;
 359
 360                 $articleContext = new RequestContext;
 361                 $articleContext->setRequest( $req );
 362                 $articleContext->setWikiPage( $pageObj );
 363                 $articleContext->setUser( $this->getUser() );
 364
 365                 /** @var $articleObject Article */
 366                 $articleObject = Article::newFromWikiPage( $pageObj, $articleContext );
 367
 368                 $ep = new EditPage( $articleObject );
 369
 370                 $ep->setApiEditOverride( true );
 371                 $ep->setContextTitle( $titleObj );
 372                 $ep->importFormData( $req );
 373                 $content = $ep->textbox1;
 374
 375                 // Run hooks
 376                 // Handle APIEditBeforeSave parameters
 377                 $r = [];
 378                 // Deprecated in favour of EditFilterMergedContent
 379                 if ( !Hooks::run( 'APIEditBeforeSave', [ $ep, $content, &$r ], '1.28' ) ) {
 380                         if ( count( $r ) ) {
 381                                 $r['result'] = 'Failure';
 382                                 $apiResult->addValue( null, $this->getModuleName(), $r );
 383
 384                                 return;
 385                         }
 386
 387                         $this->dieWithError( 'hookaborted' );
 388                 }
 389
 390                 // Do the actual save
 391                 $oldRevId = $articleObject->getRevIdFetched();
 392                 $result = null;
 393                 // Fake $wgRequest for some hooks inside EditPage
 394                 // @todo FIXME: This interface SUCKS
 395                 $oldRequest = $wgRequest;
 396                 $wgRequest = $req;
 397
 398                 $status = $ep->attemptSave( $result );
 399                 $wgRequest = $oldRequest;
 400
 401                 switch ( $status->value ) {
 402                         case EditPage::AS_HOOK_ERROR:
 403                         case EditPage::AS_HOOK_ERROR_EXPECTED:
 404                                 if ( isset( $status->apiHookResult ) ) {
 405                                         $r = $status->apiHookResult;
 406                                         $r['result'] = 'Failure';
 407                                         $apiResult->addValue( null, $this->getModuleName(), $r );
 408                                         return;
 409                                 }
 410                                 if ( !$status->getErrors() ) {
 411                                         $status->fatal( 'hookaborted' );
 412                                 }
 413                                 $this->dieStatus( $status );
 414
 415                         case EditPage::AS_BLOCKED_PAGE_FOR_USER:
 416                                 $this->dieWithError(
 417                                         'apierror-blocked',
 418                                         'blocked',
 419                                         [ 'blockinfo' => ApiQueryUserInfo::getBlockInfo( $user->getBlock() ) ]
 420                                 );
 421
 422                         case EditPage::AS_READ_ONLY_PAGE:
 423                                 $this->dieReadOnly();
 424
 425                         case EditPage::AS_SUCCESS_NEW_ARTICLE:
 426                                 $r['new'] = true;
 427                                 // fall-through
 428
 429                         case EditPage::AS_SUCCESS_UPDATE:
 430                                 $r['result'] = 'Success';
 431                                 $r['pageid'] = intval( $titleObj->getArticleID() );
 432                                 $r['title'] = $titleObj->getPrefixedText();
 433                                 $r['contentmodel'] = $articleObject->getContentModel();
 434                                 $newRevId = $articleObject->getLatest();
 435                                 if ( $newRevId == $oldRevId ) {
 436                                         $r['nochange'] = true;
 437                                 } else {
 438                                         $r['oldrevid'] = intval( $oldRevId );
 439                                         $r['newrevid'] = intval( $newRevId );
 440                                         $r['newtimestamp'] = wfTimestamp( TS_ISO_8601,
 441                                                 $pageObj->getTimestamp() );
 442                                 }
 443                                 break;
 444
 445                         default:
 446                                 // EditPage sometimes only sets the status code without setting
 447                                 // any actual error messages. Supply defaults for those cases.
 448                                 $maxArticleSize = $this->getConfig()->get( 'MaxArticleSize' );
 449                                 $defaultMessages = [
 450                                         // Currently needed
 451                                         EditPage::AS_IMAGE_REDIRECT_ANON => [ 'apierror-noimageredirect-anon' ],
 452                                         EditPage::AS_IMAGE_REDIRECT_LOGGED => [ 'apierror-noimageredirect-logged' ],
 453                                         EditPage::AS_CONTENT_TOO_BIG => [ 'apierror-contenttoobig', $maxArticleSize ],
 454                                         EditPage::AS_MAX_ARTICLE_SIZE_EXCEEDED => [ 'apierror-contenttoobig', $maxArticleSize ],
 455                                         EditPage::AS_READ_ONLY_PAGE_ANON => [ 'apierror-noedit-anon' ],
 456                                         EditPage::AS_NO_CHANGE_CONTENT_MODEL => [ 'apierror-cantchangecontentmodel' ],
 457                                         EditPage::AS_ARTICLE_WAS_DELETED => [ 'apierror-pagedeleted' ],
 458                                         EditPage::AS_CONFLICT_DETECTED => [ 'editconflict' ],
 459
 460                                         // Currently shouldn't be needed
 461                                         EditPage::AS_SPAM_ERROR => [ 'apierror-spamdetected', wfEscapeWikiText( $result['spam'] ) ],
 462                                         EditPage::AS_READ_ONLY_PAGE_LOGGED => [ 'apierror-noedit' ],
 463                                         EditPage::AS_RATE_LIMITED => [ 'apierror-ratelimited' ],
 464                                         EditPage::AS_NO_CREATE_PERMISSION => [ 'nocreate-loggedin' ],
 465                                         EditPage::AS_BLANK_ARTICLE => [ 'apierror-emptypage' ],
 466                                         EditPage::AS_TEXTBOX_EMPTY => [ 'apierror-emptynewsection' ],
 467                                         EditPage::AS_SUMMARY_NEEDED => [ 'apierror-summaryrequired' ],
 468                                 ];
 469                                 if ( !$status->getErrors() ) {
 470                                         if ( isset( $defaultMessages[$status->value] ) ) {
 471                                                 call_user_func_array( [ $status, 'fatal' ], $defaultMessages[$status->value] );
 472                                         } else {
 473                                                 wfWarn( __METHOD__ . ": Unknown EditPage code {$status->value} with no message" );
 474                                                 $status->fatal( 'apierror-unknownerror-editpage', $status->value );
 475                                         }
 476                                 }
 477                                 $this->dieStatus( $status );
 478                                 break;
 479                 }
 480                 $apiResult->addValue( null, $this->getModuleName(), $r );
 481         }
 482
 483         public function mustBePosted() {
 484                 return true;
 485         }
 486
 487         public function isWriteMode() {
 488                 return true;
 489         }
 490
 491         public function getAllowedParams() {
 492                 return [
 493                         'title' => [
 494                                 ApiBase::PARAM_TYPE => 'string',
 495                         ],
 496                         'pageid' => [
 497                                 ApiBase::PARAM_TYPE => 'integer',
 498                         ],
 499                         'section' => null,
 500                         'sectiontitle' => [
 501                                 ApiBase::PARAM_TYPE => 'string',
 502                         ],
 503                         'text' => [
 504                                 ApiBase::PARAM_TYPE => 'text',
 505                         ],
 506                         'summary' => null,
 507                         'tags' => [
 508                                 ApiBase::PARAM_TYPE => 'tags',
 509                                 ApiBase::PARAM_ISMULTI => true,
 510                         ],
 511                         'minor' => false,
 512                         'notminor' => false,
 513                         'bot' => false,
 514                         'basetimestamp' => [
 515                                 ApiBase::PARAM_TYPE => 'timestamp',
 516                         ],
 517                         'starttimestamp' => [
 518                                 ApiBase::PARAM_TYPE => 'timestamp',
 519                         ],
 520                         'recreate' => false,
 521                         'createonly' => false,
 522                         'nocreate' => false,
 523                         'watch' => [
 524                                 ApiBase::PARAM_DFLT => false,
 525                                 ApiBase::PARAM_DEPRECATED => true,
 526                         ],
 527                         'unwatch' => [
 528                                 ApiBase::PARAM_DFLT => false,
 529                                 ApiBase::PARAM_DEPRECATED => true,
 530                         ],
 531                         'watchlist' => [
 532                                 ApiBase::PARAM_DFLT => 'preferences',
 533                                 ApiBase::PARAM_TYPE => [
 534                                         'watch',
 535                                         'unwatch',
 536                                         'preferences',
 537                                         'nochange'
 538                                 ],
 539                         ],
 540                         'md5' => null,
 541                         'prependtext' => [
 542                                 ApiBase::PARAM_TYPE => 'text',
 543                         ],
 544                         'appendtext' => [
 545                                 ApiBase::PARAM_TYPE => 'text',
 546                         ],
 547                         'undo' => [
 548                                 ApiBase::PARAM_TYPE => 'integer'
 549                         ],
 550                         'undoafter' => [
 551                                 ApiBase::PARAM_TYPE => 'integer'
 552                         ],
 553                         'redirect' => [
 554                                 ApiBase::PARAM_TYPE => 'boolean',
 555                                 ApiBase::PARAM_DFLT => false,
 556                         ],
 557                         'contentformat' => [
 558                                 ApiBase::PARAM_TYPE => ContentHandler::getAllContentFormats(),
 559                         ],
 560                         'contentmodel' => [
 561                                 ApiBase::PARAM_TYPE => ContentHandler::getContentModels(),
 562                         ],
 563                         'token' => [
 564                                 // Standard definition automatically inserted
 565                                 ApiBase::PARAM_HELP_MSG_APPEND => [ 'apihelp-edit-param-token' ],
 566                         ],
 567                 ];
 568         }
 569
 570         public function needsToken() {
 571                 return 'csrf';
 572         }
 573
 574         protected function getExamplesMessages() {
 575                 return [
 576                         'action=edit&title=Test&summary=test%20summary&' .
 577                                 'text=article%20content&basetimestamp=2007-08-24T12:34:54Z&token=123ABC'
 578                                 => 'apihelp-edit-example-edit',
 579                         'action=edit&title=Test&summary=NOTOC&minor=&' .
 580                                 'prependtext=__NOTOC__%0A&basetimestamp=2007-08-24T12:34:54Z&token=123ABC'
 581                                 => 'apihelp-edit-example-prepend',
 582                         'action=edit&title=Test&undo=13585&undoafter=13579&' .
 583                                 'basetimestamp=2007-08-24T12:34:54Z&token=123ABC'
 584                                 => 'apihelp-edit-example-undo',
 585                 ];
 586         }
 587
 588         public function getHelpUrls() {
 589                 return 'https://www.mediawiki.org/wiki/API:Edit';
 590         }
 591 }