includes/api/ApiQueryAllDeletedRevisions.php

   1 <?php
   2 /**
   3  * Copyright © 2014 Wikimedia Foundation and contributors
   4  *
   5  * Heavily based on ApiQueryDeletedrevs,
   6  * Copyright © 2007 Roan Kattouw <roan.kattouw@gmail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  * http://www.gnu.org/copyleft/gpl.html
  22  *
  23  * @file
  24  */
  25
  26 namespace MediaWiki\Api;
  27
  28 use MediaWiki\ChangeTags\ChangeTagsStore;
  29 use MediaWiki\CommentFormatter\CommentFormatter;
  30 use MediaWiki\Content\IContentHandlerFactory;
  31 use MediaWiki\Content\Renderer\ContentRenderer;
  32 use MediaWiki\Content\Transform\ContentTransformer;
  33 use MediaWiki\MainConfigNames;
  34 use MediaWiki\ParamValidator\TypeDef\UserDef;
  35 use MediaWiki\Parser\ParserFactory;
  36 use MediaWiki\Revision\RevisionRecord;
  37 use MediaWiki\Revision\RevisionStore;
  38 use MediaWiki\Revision\SlotRoleRegistry;
  39 use MediaWiki\Storage\NameTableAccessException;
  40 use MediaWiki\Storage\NameTableStore;
  41 use MediaWiki\Title\NamespaceInfo;
  42 use MediaWiki\Title\Title;
  43 use MediaWiki\User\TempUser\TempUserCreator;
  44 use MediaWiki\User\UserFactory;
  45 use Wikimedia\ParamValidator\ParamValidator;
  46 use Wikimedia\Rdbms\IExpression;
  47 use Wikimedia\Rdbms\LikeValue;
  48
  49 /**
  50  * Query module to enumerate all deleted revisions.
  51  *
  52  * @ingroup API
  53  */
  54 class ApiQueryAllDeletedRevisions extends ApiQueryRevisionsBase {
  55
  56         private RevisionStore $revisionStore;
  57         private NameTableStore $changeTagDefStore;
  58         private ChangeTagsStore $changeTagsStore;
  59         private NamespaceInfo $namespaceInfo;
  60
  61         public function __construct(
  62                 ApiQuery $query,
  63                 string $moduleName,
  64                 RevisionStore $revisionStore,
  65                 IContentHandlerFactory $contentHandlerFactory,
  66                 ParserFactory $parserFactory,
  67                 SlotRoleRegistry $slotRoleRegistry,
  68                 NameTableStore $changeTagDefStore,
  69                 ChangeTagsStore $changeTagsStore,
  70                 NamespaceInfo $namespaceInfo,
  71                 ContentRenderer $contentRenderer,
  72                 ContentTransformer $contentTransformer,
  73                 CommentFormatter $commentFormatter,
  74                 TempUserCreator $tempUserCreator,
  75                 UserFactory $userFactory
  76         ) {
  77                 parent::__construct(
  78                         $query,
  79                         $moduleName,
  80                         'adr',
  81                         $revisionStore,
  82                         $contentHandlerFactory,
  83                         $parserFactory,
  84                         $slotRoleRegistry,
  85                         $contentRenderer,
  86                         $contentTransformer,
  87                         $commentFormatter,
  88                         $tempUserCreator,
  89                         $userFactory
  90                 );
  91                 $this->revisionStore = $revisionStore;
  92                 $this->changeTagDefStore = $changeTagDefStore;
  93                 $this->changeTagsStore = $changeTagsStore;
  94                 $this->namespaceInfo = $namespaceInfo;
  95         }
  96
  97         /**
  98          * @param ApiPageSet|null $resultPageSet
  99          * @return void
 100          */
 101         protected function run( ?ApiPageSet $resultPageSet = null ) {
 102                 $db = $this->getDB();
 103                 $params = $this->extractRequestParams( false );
 104
 105                 $result = $this->getResult();
 106
 107                 // If the user wants no namespaces, they get no pages.
 108                 if ( $params['namespace'] === [] ) {
 109                         if ( $resultPageSet === null ) {
 110                                 $result->addValue( 'query', $this->getModuleName(), [] );
 111                         }
 112                         return;
 113                 }
 114
 115                 // This module operates in two modes:
 116                 // 'user': List deleted revs by a certain user
 117                 // 'all': List all deleted revs in NS
 118                 $mode = 'all';
 119                 if ( $params['user'] !== null ) {
 120                         $mode = 'user';
 121                 }
 122
 123                 if ( $mode == 'user' ) {
 124                         foreach ( [ 'from', 'to', 'prefix', 'excludeuser' ] as $param ) {
 125                                 if ( $params[$param] !== null ) {
 126                                         $p = $this->getModulePrefix();
 127                                         $this->dieWithError(
 128                                                 [ 'apierror-invalidparammix-cannotusewith', $p . $param, "{$p}user" ],
 129                                                 'invalidparammix'
 130                                         );
 131                                 }
 132                         }
 133                 } else {
 134                         foreach ( [ 'start', 'end' ] as $param ) {
 135                                 if ( $params[$param] !== null ) {
 136                                         $p = $this->getModulePrefix();
 137                                         $this->dieWithError(
 138                                                 [ 'apierror-invalidparammix-mustusewith', $p . $param, "{$p}user" ],
 139                                                 'invalidparammix'
 140                                         );
 141                                 }
 142                         }
 143                 }
 144
 145                 // If we're generating titles only, we can use DISTINCT for a better
 146                 // query. But we can't do that in 'user' mode (wrong index), and we can
 147                 // only do it when sorting ASC (because MySQL apparently can't use an
 148                 // index backwards for grouping even though it can for ORDER BY, WTF?)
 149                 $dir = $params['dir'];
 150                 $optimizeGenerateTitles = false;
 151                 if ( $mode === 'all' && $params['generatetitles'] && $resultPageSet !== null ) {
 152                         if ( $dir === 'newer' ) {
 153                                 $optimizeGenerateTitles = true;
 154                         } else {
 155                                 $p = $this->getModulePrefix();
 156                                 $this->addWarning( [ 'apiwarn-alldeletedrevisions-performance', $p ], 'performance' );
 157                         }
 158                 }
 159
 160                 if ( $resultPageSet === null ) {
 161                         $this->parseParameters( $params );
 162                         $arQuery = $this->revisionStore->getArchiveQueryInfo();
 163                         $this->addTables( $arQuery['tables'] );
 164                         $this->addJoinConds( $arQuery['joins'] );
 165                         $this->addFields( $arQuery['fields'] );
 166                         $this->addFields( [ 'ar_title', 'ar_namespace' ] );
 167                 } else {
 168                         $this->limit = $this->getParameter( 'limit' ) ?: 10;
 169                         $this->addTables( 'archive' );
 170                         $this->addFields( [ 'ar_title', 'ar_namespace' ] );
 171                         if ( $optimizeGenerateTitles ) {
 172                                 $this->addOption( 'DISTINCT' );
 173                         } else {
 174                                 $this->addFields( [ 'ar_timestamp', 'ar_rev_id', 'ar_id' ] );
 175                         }
 176                         if ( $params['user'] !== null || $params['excludeuser'] !== null ) {
 177                                 $this->addTables( 'actor' );
 178                                 $this->addJoinConds( [ 'actor' => 'actor_id=ar_actor' ] );
 179                         }
 180                 }
 181
 182                 if ( $this->fld_tags ) {
 183                         $this->addFields( [
 184                                 'ts_tags' => $this->changeTagsStore->makeTagSummarySubquery( 'archive' )
 185                         ] );
 186                 }
 187
 188                 if ( $params['tag'] !== null ) {
 189                         $this->addTables( 'change_tag' );
 190                         $this->addJoinConds(
 191                                 [ 'change_tag' => [ 'JOIN', [ 'ar_rev_id=ct_rev_id' ] ] ]
 192                         );
 193                         try {
 194                                 $this->addWhereFld( 'ct_tag_id', $this->changeTagDefStore->getId( $params['tag'] ) );
 195                         } catch ( NameTableAccessException $exception ) {
 196                                 // Return nothing.
 197                                 $this->addWhere( '1=0' );
 198                         }
 199                 }
 200
 201                 // This means stricter restrictions
 202                 if ( ( $this->fld_comment || $this->fld_parsedcomment ) &&
 203                         !$this->getAuthority()->isAllowed( 'deletedhistory' )
 204                 ) {
 205                         $this->dieWithError( 'apierror-cantview-deleted-comment', 'permissiondenied' );
 206                 }
 207                 if ( $this->fetchContent &&
 208                         !$this->getAuthority()->isAllowedAny( 'deletedtext', 'undelete' )
 209                 ) {
 210                         $this->dieWithError( 'apierror-cantview-deleted-revision-content', 'permissiondenied' );
 211                 }
 212
 213                 $miser_ns = null;
 214
 215                 if ( $mode == 'all' ) {
 216                         $namespaces = $params['namespace'] ?? $this->namespaceInfo->getValidNamespaces();
 217                         $this->addWhereFld( 'ar_namespace', $namespaces );
 218
 219                         // For from/to/prefix, we have to consider the potential
 220                         // transformations of the title in all specified namespaces.
 221                         // Generally there will be only one transformation, but wikis with
 222                         // some namespaces case-sensitive could have two.
 223                         if ( $params['from'] !== null || $params['to'] !== null ) {
 224                                 $isDirNewer = ( $dir === 'newer' );
 225                                 $after = ( $isDirNewer ? '>=' : '<=' );
 226                                 $before = ( $isDirNewer ? '<=' : '>=' );
 227                                 $titleParts = [];
 228                                 foreach ( $namespaces as $ns ) {
 229                                         if ( $params['from'] !== null ) {
 230                                                 $fromTitlePart = $this->titlePartToKey( $params['from'], $ns );
 231                                         } else {
 232                                                 $fromTitlePart = '';
 233                                         }
 234                                         if ( $params['to'] !== null ) {
 235                                                 $toTitlePart = $this->titlePartToKey( $params['to'], $ns );
 236                                         } else {
 237                                                 $toTitlePart = '';
 238                                         }
 239                                         $titleParts[$fromTitlePart . '|' . $toTitlePart][] = $ns;
 240                                 }
 241                                 if ( count( $titleParts ) === 1 ) {
 242                                         [ $fromTitlePart, $toTitlePart, ] = explode( '|', key( $titleParts ), 2 );
 243                                         if ( $fromTitlePart !== '' ) {
 244                                                 $this->addWhere( $db->expr( 'ar_title', $after, $fromTitlePart ) );
 245                                         }
 246                                         if ( $toTitlePart !== '' ) {
 247                                                 $this->addWhere( $db->expr( 'ar_title', $before, $toTitlePart ) );
 248                                         }
 249                                 } else {
 250                                         $where = [];
 251                                         foreach ( $titleParts as $titlePart => $ns ) {
 252                                                 [ $fromTitlePart, $toTitlePart, ] = explode( '|', $titlePart, 2 );
 253                                                 $expr = $db->expr( 'ar_namespace', '=', $ns );
 254                                                 if ( $fromTitlePart !== '' ) {
 255                                                         $expr = $expr->and( 'ar_title', $after, $fromTitlePart );
 256                                                 }
 257                                                 if ( $toTitlePart !== '' ) {
 258                                                         $expr = $expr->and( 'ar_title', $before, $toTitlePart );
 259                                                 }
 260                                                 $where[] = $expr;
 261                                         }
 262                                         $this->addWhere( $db->orExpr( $where ) );
 263                                 }
 264                         }
 265
 266                         if ( isset( $params['prefix'] ) ) {
 267                                 $titleParts = [];
 268                                 foreach ( $namespaces as $ns ) {
 269                                         $prefixTitlePart = $this->titlePartToKey( $params['prefix'], $ns );
 270                                         $titleParts[$prefixTitlePart][] = $ns;
 271                                 }
 272                                 if ( count( $titleParts ) === 1 ) {
 273                                         $prefixTitlePart = key( $titleParts );
 274                                         $this->addWhere( $db->expr( 'ar_title', IExpression::LIKE,
 275                                                 new LikeValue( $prefixTitlePart, $db->anyString() )
 276                                         ) );
 277                                 } else {
 278                                         $where = [];
 279                                         foreach ( $titleParts as $prefixTitlePart => $ns ) {
 280                                                 $where[] = $db->expr( 'ar_namespace', '=', $ns )
 281                                                         ->and( 'ar_title', IExpression::LIKE,
 282                                                                 new LikeValue( $prefixTitlePart, $db->anyString() ) );
 283                                         }
 284                                         $this->addWhere( $db->orExpr( $where ) );
 285                                 }
 286                         }
 287                 } else {
 288                         if ( $this->getConfig()->get( MainConfigNames::MiserMode ) ) {
 289                                 $miser_ns = $params['namespace'];
 290                         } else {
 291                                 $this->addWhereFld( 'ar_namespace', $params['namespace'] );
 292                         }
 293                         $this->addTimestampWhereRange( 'ar_timestamp', $dir, $params['start'], $params['end'] );
 294                 }
 295
 296                 if ( $params['user'] !== null ) {
 297                         // We could get the actor ID from the ActorStore, but it's probably
 298                         // uncached at this point, and the non-generator case needs an actor
 299                         // join anyway so adding this join here is normally free. This should
 300                         // use the ar_actor_timestamp index.
 301                         $this->addWhereFld( 'actor_name', $params['user'] );
 302                 } elseif ( $params['excludeuser'] !== null ) {
 303                         $this->addWhere( $db->expr( 'actor_name', '!=', $params['excludeuser'] ) );
 304                 }
 305
 306                 if ( $params['user'] !== null || $params['excludeuser'] !== null ) {
 307                         // Paranoia: avoid brute force searches (T19342)
 308                         if ( !$this->getAuthority()->isAllowed( 'deletedhistory' ) ) {
 309                                 $bitmask = RevisionRecord::DELETED_USER;
 310                         } elseif ( !$this->getAuthority()->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
 311                                 $bitmask = RevisionRecord::DELETED_USER | RevisionRecord::DELETED_RESTRICTED;
 312                         } else {
 313                                 $bitmask = 0;
 314                         }
 315                         if ( $bitmask ) {
 316                                 $this->addWhere( $db->bitAnd( 'ar_deleted', $bitmask ) . " != $bitmask" );
 317                         }
 318                 }
 319
 320                 if ( $params['continue'] !== null ) {
 321                         $op = ( $dir == 'newer' ? '>=' : '<=' );
 322                         if ( $optimizeGenerateTitles ) {
 323                                 $cont = $this->parseContinueParamOrDie( $params['continue'], [ 'int', 'string' ] );
 324                                 $this->addWhere( $db->buildComparison( $op, [
 325                                         'ar_namespace' => $cont[0],
 326                                         'ar_title' => $cont[1],
 327                                 ] ) );
 328                         } elseif ( $mode == 'all' ) {
 329                                 $cont = $this->parseContinueParamOrDie( $params['continue'], [ 'int', 'string', 'timestamp', 'int' ] );
 330                                 $this->addWhere( $db->buildComparison( $op, [
 331                                         'ar_namespace' => $cont[0],
 332                                         'ar_title' => $cont[1],
 333                                         'ar_timestamp' => $db->timestamp( $cont[2] ),
 334                                         'ar_id' => $cont[3],
 335                                 ] ) );
 336                         } else {
 337                                 $cont = $this->parseContinueParamOrDie( $params['continue'], [ 'timestamp', 'int' ] );
 338                                 $this->addWhere( $db->buildComparison( $op, [
 339                                         'ar_timestamp' => $db->timestamp( $cont[0] ),
 340                                         'ar_id' => $cont[1],
 341                                 ] ) );
 342                         }
 343                 }
 344
 345                 $this->addOption( 'LIMIT', $this->limit + 1 );
 346
 347                 $sort = ( $dir == 'newer' ? '' : ' DESC' );
 348                 $orderby = [];
 349                 if ( $optimizeGenerateTitles ) {
 350                         // Targeting index ar_name_title_timestamp
 351                         if ( $params['namespace'] === null || count( array_unique( $params['namespace'] ) ) > 1 ) {
 352                                 $orderby[] = "ar_namespace $sort";
 353                         }
 354                         $orderby[] = "ar_title $sort";
 355                 } elseif ( $mode == 'all' ) {
 356                         // Targeting index ar_name_title_timestamp
 357                         if ( $params['namespace'] === null || count( array_unique( $params['namespace'] ) ) > 1 ) {
 358                                 $orderby[] = "ar_namespace $sort";
 359                         }
 360                         $orderby[] = "ar_title $sort";
 361                         $orderby[] = "ar_timestamp $sort";
 362                         $orderby[] = "ar_id $sort";
 363                 } else {
 364                         // Targeting index usertext_timestamp
 365                         // 'user' is always constant.
 366                         $orderby[] = "ar_timestamp $sort";
 367                         $orderby[] = "ar_id $sort";
 368                 }
 369                 $this->addOption( 'ORDER BY', $orderby );
 370
 371                 $res = $this->select( __METHOD__ );
 372
 373                 if ( $resultPageSet === null ) {
 374                         $this->executeGenderCacheFromResultWrapper( $res, __METHOD__, 'ar' );
 375                 }
 376
 377                 $pageMap = []; // Maps ns&title to array index
 378                 $count = 0;
 379                 $nextIndex = 0;
 380                 $generated = [];
 381                 foreach ( $res as $row ) {
 382                         if ( ++$count > $this->limit ) {
 383                                 // We've had enough
 384                                 if ( $optimizeGenerateTitles ) {
 385                                         $this->setContinueEnumParameter( 'continue', "$row->ar_namespace|$row->ar_title" );
 386                                 } elseif ( $mode == 'all' ) {
 387                                         $this->setContinueEnumParameter( 'continue',
 388                                                 "$row->ar_namespace|$row->ar_title|$row->ar_timestamp|$row->ar_id"
 389                                         );
 390                                 } else {
 391                                         $this->setContinueEnumParameter( 'continue', "$row->ar_timestamp|$row->ar_id" );
 392                                 }
 393                                 break;
 394                         }
 395
 396                         // Miser mode namespace check
 397                         if ( $miser_ns !== null && !in_array( $row->ar_namespace, $miser_ns ) ) {
 398                                 continue;
 399                         }
 400
 401                         if ( $resultPageSet !== null ) {
 402                                 if ( $params['generatetitles'] ) {
 403                                         $key = "{$row->ar_namespace}:{$row->ar_title}";
 404                                         if ( !isset( $generated[$key] ) ) {
 405                                                 $generated[$key] = Title::makeTitle( $row->ar_namespace, $row->ar_title );
 406                                         }
 407                                 } else {
 408                                         $generated[] = $row->ar_rev_id;
 409                                 }
 410                         } else {
 411                                 $revision = $this->revisionStore->newRevisionFromArchiveRow( $row );
 412                                 $rev = $this->extractRevisionInfo( $revision, $row );
 413
 414                                 if ( !isset( $pageMap[$row->ar_namespace][$row->ar_title] ) ) {
 415                                         $index = $nextIndex++;
 416                                         $pageMap[$row->ar_namespace][$row->ar_title] = $index;
 417                                         $title = Title::newFromLinkTarget( $revision->getPageAsLinkTarget() );
 418                                         $a = [
 419                                                 'pageid' => $title->getArticleID(),
 420                                                 'revisions' => [ $rev ],
 421                                         ];
 422                                         ApiResult::setIndexedTagName( $a['revisions'], 'rev' );
 423                                         ApiQueryBase::addTitleInfo( $a, $title );
 424                                         $fit = $result->addValue( [ 'query', $this->getModuleName() ], $index, $a );
 425                                 } else {
 426                                         $index = $pageMap[$row->ar_namespace][$row->ar_title];
 427                                         $fit = $result->addValue(
 428                                                 [ 'query', $this->getModuleName(), $index, 'revisions' ],
 429                                                 null, $rev );
 430                                 }
 431                                 if ( !$fit ) {
 432                                         if ( $mode == 'all' ) {
 433                                                 $this->setContinueEnumParameter( 'continue',
 434                                                         "$row->ar_namespace|$row->ar_title|$row->ar_timestamp|$row->ar_id"
 435                                                 );
 436                                         } else {
 437                                                 $this->setContinueEnumParameter( 'continue', "$row->ar_timestamp|$row->ar_id" );
 438                                         }
 439                                         break;
 440                                 }
 441                         }
 442                 }
 443
 444                 if ( $resultPageSet !== null ) {
 445                         if ( $params['generatetitles'] ) {
 446                                 $resultPageSet->populateFromTitles( $generated );
 447                         } else {
 448                                 $resultPageSet->populateFromRevisionIDs( $generated );
 449                         }
 450                 } else {
 451                         $result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'page' );
 452                 }
 453         }
 454
 455         public function getAllowedParams() {
 456                 $ret = parent::getAllowedParams() + [
 457                         'user' => [
 458                                 ParamValidator::PARAM_TYPE => 'user',
 459                                 UserDef::PARAM_ALLOWED_USER_TYPES => [ 'name', 'ip', 'temp', 'id', 'interwiki' ],
 460                         ],
 461                         'namespace' => [
 462                                 ParamValidator::PARAM_ISMULTI => true,
 463                                 ParamValidator::PARAM_TYPE => 'namespace',
 464                         ],
 465                         'start' => [
 466                                 ParamValidator::PARAM_TYPE => 'timestamp',
 467                                 ApiBase::PARAM_HELP_MSG_INFO => [ [ 'useronly' ] ],
 468                         ],
 469                         'end' => [
 470                                 ParamValidator::PARAM_TYPE => 'timestamp',
 471                                 ApiBase::PARAM_HELP_MSG_INFO => [ [ 'useronly' ] ],
 472                         ],
 473                         'dir' => [
 474                                 ParamValidator::PARAM_TYPE => [
 475                                         'newer',
 476                                         'older'
 477                                 ],
 478                                 ParamValidator::PARAM_DEFAULT => 'older',
 479                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
 480                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => [
 481                                         'newer' => 'api-help-paramvalue-direction-newer',
 482                                         'older' => 'api-help-paramvalue-direction-older',
 483                                 ],
 484                         ],
 485                         'from' => [
 486                                 ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
 487                         ],
 488                         'to' => [
 489                                 ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
 490                         ],
 491                         'prefix' => [
 492                                 ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
 493                         ],
 494                         'excludeuser' => [
 495                                 ParamValidator::PARAM_TYPE => 'user',
 496                                 UserDef::PARAM_ALLOWED_USER_TYPES => [ 'name', 'ip', 'temp', 'id', 'interwiki' ],
 497                                 ApiBase::PARAM_HELP_MSG_INFO => [ [ 'nonuseronly' ] ],
 498                         ],
 499                         'tag' => null,
 500                         'continue' => [
 501                                 ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
 502                         ],
 503                         'generatetitles' => [
 504                                 ParamValidator::PARAM_DEFAULT => false
 505                         ],
 506                 ];
 507
 508                 if ( $this->getConfig()->get( MainConfigNames::MiserMode ) ) {
 509                         $ret['user'][ApiBase::PARAM_HELP_MSG_APPEND] = [
 510                                 'apihelp-query+alldeletedrevisions-param-miser-user-namespace',
 511                         ];
 512                         $ret['namespace'][ApiBase::PARAM_HELP_MSG_APPEND] = [
 513                                 'apihelp-query+alldeletedrevisions-param-miser-user-namespace',
 514                         ];
 515                 }
 516
 517                 return $ret;
 518         }
 519
 520         protected function getExamplesMessages() {
 521                 return [
 522                         'action=query&list=alldeletedrevisions&adruser=Example&adrlimit=50'
 523                                 => 'apihelp-query+alldeletedrevisions-example-user',
 524                         'action=query&list=alldeletedrevisions&adrdir=newer&adrnamespace=0&adrlimit=50'
 525                                 => 'apihelp-query+alldeletedrevisions-example-ns-main',
 526                 ];
 527         }
 528
 529         public function getHelpUrls() {
 530                 return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Alldeletedrevisions';
 531         }
 532 }
 533
 534 /** @deprecated class alias since 1.43 */
 535 class_alias( ApiQueryAllDeletedRevisions::class, 'ApiQueryAllDeletedRevisions' );