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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | namespace MediaWiki\Page; |
| 22 | |
| 23 | use ChangeTags; |
| 24 | use File; |
| 25 | use LogFormatterFactory; |
| 26 | use ManualLogEntry; |
| 27 | use MediaWiki\Collation\CollationFactory; |
| 28 | use MediaWiki\CommentStore\CommentStoreComment; |
| 29 | use MediaWiki\Config\ServiceOptions; |
| 30 | use MediaWiki\Content\ContentHandler; |
| 31 | use MediaWiki\Content\IContentHandlerFactory; |
| 32 | use MediaWiki\Content\WikitextContent; |
| 33 | use MediaWiki\Context\RequestContext; |
| 34 | use MediaWiki\Deferred\AtomicSectionUpdate; |
| 35 | use MediaWiki\Deferred\DeferredUpdates; |
| 36 | use MediaWiki\EditPage\SpamChecker; |
| 37 | use MediaWiki\HookContainer\HookContainer; |
| 38 | use MediaWiki\HookContainer\HookRunner; |
| 39 | use MediaWiki\MainConfigNames; |
| 40 | use MediaWiki\Permissions\Authority; |
| 41 | use MediaWiki\Permissions\PermissionStatus; |
| 42 | use MediaWiki\Permissions\RestrictionStore; |
| 43 | use MediaWiki\Revision\RevisionStore; |
| 44 | use MediaWiki\Revision\SlotRecord; |
| 45 | use MediaWiki\Status\Status; |
| 46 | use MediaWiki\Storage\PageUpdatedEvent; |
| 47 | use MediaWiki\Storage\PageUpdaterFactory; |
| 48 | use MediaWiki\Title\NamespaceInfo; |
| 49 | use MediaWiki\Title\Title; |
| 50 | use MediaWiki\User\UserEditTracker; |
| 51 | use MediaWiki\User\UserFactory; |
| 52 | use MediaWiki\User\UserIdentity; |
| 53 | use MediaWiki\Watchlist\WatchedItemStoreInterface; |
| 54 | use RepoGroup; |
| 55 | use StringUtils; |
| 56 | use Wikimedia\NormalizedException\NormalizedException; |
| 57 | use Wikimedia\Rdbms\IConnectionProvider; |
| 58 | use Wikimedia\Rdbms\IDatabase; |
| 59 | use Wikimedia\Rdbms\IDBAccessObject; |
| 60 | use WikiPage; |
| 61 | |
| 62 | /** |
| 63 | * Handles the backend logic of moving a page from one title |
| 64 | * to another. |
| 65 | * |
| 66 | * @since 1.24 |
| 67 | */ |
| 68 | class MovePage { |
| 69 | |
| 70 | protected Title $oldTitle; |
| 71 | protected Title $newTitle; |
| 72 | protected ServiceOptions $options; |
| 73 | protected IConnectionProvider $dbProvider; |
| 74 | protected NamespaceInfo $nsInfo; |
| 75 | protected WatchedItemStoreInterface $watchedItems; |
| 76 | protected RepoGroup $repoGroup; |
| 77 | private IContentHandlerFactory $contentHandlerFactory; |
| 78 | private RevisionStore $revisionStore; |
| 79 | private SpamChecker $spamChecker; |
| 80 | private HookRunner $hookRunner; |
| 81 | private WikiPageFactory $wikiPageFactory; |
| 82 | private UserFactory $userFactory; |
| 83 | private UserEditTracker $userEditTracker; |
| 84 | private MovePageFactory $movePageFactory; |
| 85 | public CollationFactory $collationFactory; |
| 86 | private PageUpdaterFactory $pageUpdaterFactory; |
| 87 | private RestrictionStore $restrictionStore; |
| 88 | private DeletePageFactory $deletePageFactory; |
| 89 | private LogFormatterFactory $logFormatterFactory; |
| 90 | |
| 91 | /** @var int */ |
| 92 | private $maximumMovedPages; |
| 93 | |
| 94 | /** |
| 95 | * @internal For use by PageCommandFactory |
| 96 | */ |
| 97 | public const CONSTRUCTOR_OPTIONS = [ |
| 98 | MainConfigNames::CategoryCollation, |
| 99 | MainConfigNames::MaximumMovedPages, |
| 100 | ]; |
| 101 | |
| 102 | /** |
| 103 | * @see MovePageFactory |
| 104 | */ |
| 105 | public function __construct( |
| 106 | Title $oldTitle, |
| 107 | Title $newTitle, |
| 108 | ServiceOptions $options, |
| 109 | IConnectionProvider $dbProvider, |
| 110 | NamespaceInfo $nsInfo, |
| 111 | WatchedItemStoreInterface $watchedItems, |
| 112 | RepoGroup $repoGroup, |
| 113 | IContentHandlerFactory $contentHandlerFactory, |
| 114 | RevisionStore $revisionStore, |
| 115 | SpamChecker $spamChecker, |
| 116 | HookContainer $hookContainer, |
| 117 | WikiPageFactory $wikiPageFactory, |
| 118 | UserFactory $userFactory, |
| 119 | UserEditTracker $userEditTracker, |
| 120 | MovePageFactory $movePageFactory, |
| 121 | CollationFactory $collationFactory, |
| 122 | PageUpdaterFactory $pageUpdaterFactory, |
| 123 | RestrictionStore $restrictionStore, |
| 124 | DeletePageFactory $deletePageFactory, |
| 125 | LogFormatterFactory $logFormatterFactory |
| 126 | ) { |
| 127 | $this->oldTitle = $oldTitle; |
| 128 | $this->newTitle = $newTitle; |
| 129 | |
| 130 | $this->options = $options; |
| 131 | $this->dbProvider = $dbProvider; |
| 132 | $this->nsInfo = $nsInfo; |
| 133 | $this->watchedItems = $watchedItems; |
| 134 | $this->repoGroup = $repoGroup; |
| 135 | $this->contentHandlerFactory = $contentHandlerFactory; |
| 136 | $this->revisionStore = $revisionStore; |
| 137 | $this->spamChecker = $spamChecker; |
| 138 | $this->hookRunner = new HookRunner( $hookContainer ); |
| 139 | $this->wikiPageFactory = $wikiPageFactory; |
| 140 | $this->userFactory = $userFactory; |
| 141 | $this->userEditTracker = $userEditTracker; |
| 142 | $this->movePageFactory = $movePageFactory; |
| 143 | $this->collationFactory = $collationFactory; |
| 144 | $this->pageUpdaterFactory = $pageUpdaterFactory; |
| 145 | $this->restrictionStore = $restrictionStore; |
| 146 | $this->deletePageFactory = $deletePageFactory; |
| 147 | $this->logFormatterFactory = $logFormatterFactory; |
| 148 | |
| 149 | $this->maximumMovedPages = $this->options->get( MainConfigNames::MaximumMovedPages ); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Override $wgMaximumMovedPages. |
| 154 | * |
| 155 | * @param int $max The maximum number of subpages to move, or -1 for no limit |
| 156 | */ |
| 157 | public function setMaximumMovedPages( $max ) { |
| 158 | $this->maximumMovedPages = $max; |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * @param callable $authorizer ( string $action, PageIdentity $target, PermissionStatus $status ) |
| 163 | * @param Authority $performer |
| 164 | * @param string|null $reason |
| 165 | * @return PermissionStatus |
| 166 | */ |
| 167 | private function authorizeInternal( |
| 168 | callable $authorizer, |
| 169 | Authority $performer, |
| 170 | ?string $reason |
| 171 | ): PermissionStatus { |
| 172 | $status = PermissionStatus::newEmpty(); |
| 173 | |
| 174 | $authorizer( 'move', $this->oldTitle, $status ); |
| 175 | $authorizer( 'edit', $this->oldTitle, $status ); |
| 176 | $authorizer( 'move-target', $this->newTitle, $status ); |
| 177 | $authorizer( 'edit', $this->newTitle, $status ); |
| 178 | |
| 179 | if ( $reason !== null && $this->spamChecker->checkSummary( $reason ) !== false ) { |
| 180 | // This is kind of lame, won't display nice |
| 181 | $status->fatal( 'spamprotectiontext' ); |
| 182 | } |
| 183 | |
| 184 | $tp = $this->restrictionStore->getCreateProtection( $this->newTitle ) ?: false; |
| 185 | if ( $tp !== false && !$performer->isAllowed( $tp['permission'] ) ) { |
| 186 | $status->fatal( 'cantmove-titleprotected' ); |
| 187 | } |
| 188 | |
| 189 | // TODO: change hook signature to accept Authority and PermissionStatus |
| 190 | $user = $this->userFactory->newFromAuthority( $performer ); |
| 191 | $status = Status::wrap( $status ); |
| 192 | $this->hookRunner->onMovePageCheckPermissions( |
| 193 | $this->oldTitle, $this->newTitle, $user, $reason, $status ); |
| 194 | // TODO: remove conversion code after hook signature is changed. |
| 195 | $permissionStatus = PermissionStatus::newEmpty(); |
| 196 | foreach ( $status->getMessages() as $msg ) { |
| 197 | $permissionStatus->fatal( $msg ); |
| 198 | } |
| 199 | return $permissionStatus; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Check whether $performer can execute the move. |
| 204 | * |
| 205 | * @note this method does not guarantee full permissions check, so it should |
| 206 | * only be used to to decide whether to show a move form. To authorize the move |
| 207 | * action use {@link self::authorizeMove} instead. |
| 208 | * |
| 209 | * @param Authority $performer |
| 210 | * @param string|null $reason |
| 211 | * @return PermissionStatus |
| 212 | */ |
| 213 | public function probablyCanMove( Authority $performer, ?string $reason = null ): PermissionStatus { |
| 214 | return $this->authorizeInternal( |
| 215 | static function ( string $action, PageIdentity $target, PermissionStatus $status ) use ( $performer ) { |
| 216 | return $performer->probablyCan( $action, $target, $status ); |
| 217 | }, |
| 218 | $performer, |
| 219 | $reason |
| 220 | ); |
| 221 | } |
| 222 | |
| 223 | /** |
| 224 | * Authorize the move by $performer. |
| 225 | * |
| 226 | * @note this method should be used right before the actual move is performed. |
| 227 | * To check whether a current performer has the potential to move the page, |
| 228 | * use {@link self::probablyCanMove} instead. |
| 229 | * |
| 230 | * @param Authority $performer |
| 231 | * @param string|null $reason |
| 232 | * @return PermissionStatus |
| 233 | */ |
| 234 | public function authorizeMove( Authority $performer, ?string $reason = null ): PermissionStatus { |
| 235 | return $this->authorizeInternal( |
| 236 | static function ( string $action, PageIdentity $target, PermissionStatus $status ) use ( $performer ) { |
| 237 | return $performer->authorizeWrite( $action, $target, $status ); |
| 238 | }, |
| 239 | $performer, |
| 240 | $reason |
| 241 | ); |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * Check if the user is allowed to perform the move. |
| 246 | * |
| 247 | * @param Authority $performer |
| 248 | * @param string|null $reason To check against summary spam regex. Set to null to skip the check, |
| 249 | * for instance to display errors preemptively before the user has filled in a summary. |
| 250 | * @deprecated since 1.36, use ::authorizeMove or ::probablyCanMove instead. |
| 251 | * @return Status |
| 252 | */ |
| 253 | public function checkPermissions( Authority $performer, $reason ) { |
| 254 | $permissionStatus = $this->authorizeInternal( |
| 255 | static function ( string $action, PageIdentity $target, PermissionStatus $status ) use ( $performer ) { |
| 256 | return $performer->definitelyCan( $action, $target, $status ); |
| 257 | }, |
| 258 | $performer, |
| 259 | $reason |
| 260 | ); |
| 261 | return Status::wrap( $permissionStatus ); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * Does various checks that the move is |
| 266 | * valid. Only things based on the two titles |
| 267 | * should be checked here. |
| 268 | * |
| 269 | * @return Status |
| 270 | */ |
| 271 | public function isValidMove() { |
| 272 | $status = new Status(); |
| 273 | |
| 274 | if ( $this->oldTitle->equals( $this->newTitle ) ) { |
| 275 | $status->fatal( 'selfmove' ); |
| 276 | } elseif ( $this->newTitle->getArticleID( IDBAccessObject::READ_LATEST /* T272386 */ ) |
| 277 | && !$this->isValidMoveTarget() |
| 278 | ) { |
| 279 | // The move is allowed only if (1) the target doesn't exist, or (2) the target is a |
| 280 | // redirect to the source, and has no history (so we can undo bad moves right after |
| 281 | // they're done). If the target is a single revision redirect to a different page, |
| 282 | // it can be deleted with just `delete-redirect` rights (i.e. without needing |
| 283 | // `delete`) - see T239277 |
| 284 | $fatal = $this->newTitle->isSingleRevRedirect() ? 'redirectexists' : 'articleexists'; |
| 285 | $status->fatal( $fatal, $this->newTitle->getPrefixedText() ); |
| 286 | } |
| 287 | |
| 288 | // @todo If the old title is invalid, maybe we should check if it somehow exists in the |
| 289 | // database and allow moving it to a valid name? Why prohibit the move from an empty name |
| 290 | // without checking in the database? |
| 291 | if ( $this->oldTitle->getDBkey() == '' ) { |
| 292 | $status->fatal( 'badarticleerror' ); |
| 293 | } elseif ( $this->oldTitle->isExternal() ) { |
| 294 | $status->fatal( 'immobile-source-namespace-iw' ); |
| 295 | } elseif ( !$this->oldTitle->isMovable() ) { |
| 296 | $nsText = $this->oldTitle->getNsText(); |
| 297 | if ( $nsText === '' ) { |
| 298 | $nsText = wfMessage( 'blanknamespace' )->text(); |
| 299 | } |
| 300 | $status->fatal( 'immobile-source-namespace', $nsText ); |
| 301 | } elseif ( !$this->oldTitle->exists() ) { |
| 302 | $status->fatal( 'movepage-source-doesnt-exist', $this->oldTitle->getPrefixedText() ); |
| 303 | } |
| 304 | |
| 305 | if ( $this->newTitle->isExternal() ) { |
| 306 | $status->fatal( 'immobile-target-namespace-iw' ); |
| 307 | } elseif ( !$this->newTitle->isMovable() ) { |
| 308 | $nsText = $this->newTitle->getNsText(); |
| 309 | if ( $nsText === '' ) { |
| 310 | $nsText = wfMessage( 'blanknamespace' )->text(); |
| 311 | } |
| 312 | $status->fatal( 'immobile-target-namespace', $nsText ); |
| 313 | } |
| 314 | if ( !$this->newTitle->isValid() ) { |
| 315 | $status->fatal( 'movepage-invalid-target-title' ); |
| 316 | } |
| 317 | |
| 318 | // Content model checks |
| 319 | if ( !$this->contentHandlerFactory |
| 320 | ->getContentHandler( $this->oldTitle->getContentModel() ) |
| 321 | ->canBeUsedOn( $this->newTitle ) |
| 322 | ) { |
| 323 | $status->fatal( |
| 324 | 'content-not-allowed-here', |
| 325 | ContentHandler::getLocalizedName( $this->oldTitle->getContentModel() ), |
| 326 | $this->newTitle->getPrefixedText(), |
| 327 | SlotRecord::MAIN |
| 328 | ); |
| 329 | } |
| 330 | |
| 331 | // Image-specific checks |
| 332 | if ( $this->oldTitle->inNamespace( NS_FILE ) ) { |
| 333 | $status->merge( $this->isValidFileMove() ); |
| 334 | } |
| 335 | |
| 336 | if ( $this->newTitle->inNamespace( NS_FILE ) && !$this->oldTitle->inNamespace( NS_FILE ) ) { |
| 337 | $status->fatal( 'nonfile-cannot-move-to-file' ); |
| 338 | } |
| 339 | |
| 340 | // Hook for extensions to say a title can't be moved for technical reasons |
| 341 | $this->hookRunner->onMovePageIsValidMove( $this->oldTitle, $this->newTitle, $status ); |
| 342 | |
| 343 | return $status; |
| 344 | } |
| 345 | |
| 346 | /** |
| 347 | * Checks for when a file is being moved |
| 348 | * |
| 349 | * @see UploadBase::getTitle |
| 350 | * @return Status |
| 351 | */ |
| 352 | protected function isValidFileMove() { |
| 353 | $status = new Status(); |
| 354 | |
| 355 | if ( !$this->newTitle->inNamespace( NS_FILE ) ) { |
| 356 | // No need for further errors about the target filename being wrong |
| 357 | return $status->fatal( 'imagenocrossnamespace' ); |
| 358 | } |
| 359 | |
| 360 | $file = $this->repoGroup->getLocalRepo()->newFile( $this->oldTitle ); |
| 361 | $file->load( IDBAccessObject::READ_LATEST ); |
| 362 | if ( $file->exists() ) { |
| 363 | if ( $this->newTitle->getText() != wfStripIllegalFilenameChars( $this->newTitle->getText() ) ) { |
| 364 | $status->fatal( 'imageinvalidfilename' ); |
| 365 | } |
| 366 | if ( strlen( $this->newTitle->getText() ) > 240 ) { |
| 367 | $status->fatal( 'filename-toolong' ); |
| 368 | } |
| 369 | if ( |
| 370 | !$this->repoGroup->getLocalRepo()->backendSupportsUnicodePaths() && |
| 371 | !preg_match( '/^[\x0-\x7f]*$/', $this->newTitle->getText() ) |
| 372 | ) { |
| 373 | $status->fatal( 'windows-nonascii-filename' ); |
| 374 | } |
| 375 | if ( strrpos( $this->newTitle->getText(), '.' ) === 0 ) { |
| 376 | // Filename cannot only be its extension |
| 377 | // Will probably fail the next check too. |
| 378 | $status->fatal( 'filename-tooshort' ); |
| 379 | } |
| 380 | if ( !File::checkExtensionCompatibility( $file, $this->newTitle->getDBkey() ) ) { |
| 381 | $status->fatal( 'imagetypemismatch' ); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | return $status; |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * Checks if $this can be moved to a given Title |
| 390 | * - Selects for update, so don't call it unless you mean business |
| 391 | * |
| 392 | * @since 1.25 |
| 393 | * @return bool |
| 394 | */ |
| 395 | protected function isValidMoveTarget() { |
| 396 | # Is it an existing file? |
| 397 | if ( $this->newTitle->inNamespace( NS_FILE ) ) { |
| 398 | $file = $this->repoGroup->getLocalRepo()->newFile( $this->newTitle ); |
| 399 | $file->load( IDBAccessObject::READ_LATEST ); |
| 400 | if ( $file->exists() ) { |
| 401 | wfDebug( __METHOD__ . ": file exists" ); |
| 402 | return false; |
| 403 | } |
| 404 | } |
| 405 | # Is it a redirect with no history? |
| 406 | if ( !$this->newTitle->isSingleRevRedirect() ) { |
| 407 | wfDebug( __METHOD__ . ": not a one-rev redirect" ); |
| 408 | return false; |
| 409 | } |
| 410 | # Get the article text |
| 411 | $rev = $this->revisionStore->getRevisionByTitle( |
| 412 | $this->newTitle, |
| 413 | 0, |
| 414 | IDBAccessObject::READ_LATEST |
| 415 | ); |
| 416 | if ( !is_object( $rev ) ) { |
| 417 | return false; |
| 418 | } |
| 419 | $content = $rev->getContent( SlotRecord::MAIN ); |
| 420 | # Does the redirect point to the source? |
| 421 | # Or is it a broken self-redirect, usually caused by namespace collisions? |
| 422 | $redirTitle = $content ? $content->getRedirectTarget() : null; |
| 423 | |
| 424 | if ( $redirTitle ) { |
| 425 | if ( $redirTitle->getPrefixedDBkey() !== $this->oldTitle->getPrefixedDBkey() && |
| 426 | $redirTitle->getPrefixedDBkey() !== $this->newTitle->getPrefixedDBkey() ) { |
| 427 | wfDebug( __METHOD__ . ": redirect points to other page" ); |
| 428 | return false; |
| 429 | } else { |
| 430 | return true; |
| 431 | } |
| 432 | } else { |
| 433 | # Fail safe (not a redirect after all. strange.) |
| 434 | wfDebug( __METHOD__ . ": failsafe: database says " . $this->newTitle->getPrefixedDBkey() . |
| 435 | " is a redirect, but it doesn't contain a valid redirect." ); |
| 436 | return false; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * Move a page without taking user permissions into account. Only checks if the move is itself |
| 442 | * invalid, e.g., trying to move a special page or trying to move a page onto one that already |
| 443 | * exists. |
| 444 | * |
| 445 | * @param UserIdentity $user |
| 446 | * @param string|null $reason |
| 447 | * @param bool|null $createRedirect |
| 448 | * @param string[] $changeTags Change tags to apply to the entry in the move log |
| 449 | * @return Status |
| 450 | */ |
| 451 | public function move( |
| 452 | UserIdentity $user, $reason = null, $createRedirect = true, array $changeTags = [] |
| 453 | ) { |
| 454 | $status = $this->isValidMove(); |
| 455 | if ( !$status->isOK() ) { |
| 456 | return $status; |
| 457 | } |
| 458 | |
| 459 | return $this->moveUnsafe( $user, $reason ?? '', $createRedirect, $changeTags ); |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * Same as move(), but with permissions checks. |
| 464 | * |
| 465 | * @param Authority $performer |
| 466 | * @param string|null $reason |
| 467 | * @param bool $createRedirect Ignored if user doesn't have suppressredirect permission |
| 468 | * @param string[] $changeTags Change tags to apply to the entry in the move log |
| 469 | * @return Status |
| 470 | */ |
| 471 | public function moveIfAllowed( |
| 472 | Authority $performer, $reason = null, $createRedirect = true, array $changeTags = [] |
| 473 | ) { |
| 474 | $status = $this->isValidMove(); |
| 475 | $status->merge( $this->authorizeMove( $performer, $reason ) ); |
| 476 | if ( $changeTags ) { |
| 477 | $status->merge( ChangeTags::canAddTagsAccompanyingChange( $changeTags, $performer ) ); |
| 478 | } |
| 479 | |
| 480 | if ( !$status->isOK() ) { |
| 481 | // TODO: wrap block spreading into Authority side-effect? |
| 482 | $user = $this->userFactory->newFromAuthority( $performer ); |
| 483 | // Auto-block user's IP if the account was "hard" blocked |
| 484 | $user->spreadAnyEditBlock(); |
| 485 | return $status; |
| 486 | } |
| 487 | |
| 488 | // Check suppressredirect permission |
| 489 | if ( !$performer->isAllowed( 'suppressredirect' ) ) { |
| 490 | $createRedirect = true; |
| 491 | } |
| 492 | |
| 493 | return $this->moveUnsafe( $performer->getUser(), $reason ?? '', $createRedirect, $changeTags ); |
| 494 | } |
| 495 | |
| 496 | /** |
| 497 | * Move the source page's subpages to be subpages of the target page, without checking user |
| 498 | * permissions. The caller is responsible for moving the source page itself. We will still not |
| 499 | * do moves that are inherently not allowed, nor will we move more than $wgMaximumMovedPages. |
| 500 | * |
| 501 | * @param UserIdentity $user |
| 502 | * @param string|null $reason The reason for the move |
| 503 | * @param bool|null $createRedirect Whether to create redirects from the old subpages to |
| 504 | * the new ones |
| 505 | * @param string[] $changeTags Applied to entries in the move log and redirect page revision |
| 506 | * @return Status Good if no errors occurred. Ok if at least one page succeeded. The "value" |
| 507 | * of the top-level status is an array containing the per-title status for each page. For any |
| 508 | * move that succeeded, the "value" of the per-title status is the new page title. |
| 509 | */ |
| 510 | public function moveSubpages( |
| 511 | UserIdentity $user, $reason = null, $createRedirect = true, array $changeTags = [] |
| 512 | ) { |
| 513 | return $this->moveSubpagesInternal( |
| 514 | function ( Title $oldSubpage, Title $newSubpage ) |
| 515 | use ( $user, $reason, $createRedirect, $changeTags ) { |
| 516 | $mp = $this->movePageFactory->newMovePage( $oldSubpage, $newSubpage ); |
| 517 | return $mp->move( $user, $reason, $createRedirect, $changeTags ); |
| 518 | } |
| 519 | ); |
| 520 | } |
| 521 | |
| 522 | /** |
| 523 | * Move the source page's subpages to be subpages of the target page, with user permission |
| 524 | * checks. The caller is responsible for moving the source page itself. |
| 525 | * |
| 526 | * @param Authority $performer |
| 527 | * @param string|null $reason The reason for the move |
| 528 | * @param bool|null $createRedirect Whether to create redirects from the old subpages to |
| 529 | * the new ones. Ignored if the user doesn't have the 'suppressredirect' right. |
| 530 | * @param string[] $changeTags Applied to entries in the move log and redirect page revision |
| 531 | * @return Status Good if no errors occurred. Ok if at least one page succeeded. The "value" |
| 532 | * of the top-level status is an array containing the per-title status for each page. For any |
| 533 | * move that succeeded, the "value" of the per-title status is the new page title. |
| 534 | */ |
| 535 | public function moveSubpagesIfAllowed( |
| 536 | Authority $performer, $reason = null, $createRedirect = true, array $changeTags = [] |
| 537 | ) { |
| 538 | if ( !$performer->authorizeWrite( 'move-subpages', $this->oldTitle ) ) { |
| 539 | return Status::newFatal( 'cant-move-subpages' ); |
| 540 | } |
| 541 | return $this->moveSubpagesInternal( |
| 542 | function ( Title $oldSubpage, Title $newSubpage ) |
| 543 | use ( $performer, $reason, $createRedirect, $changeTags ) { |
| 544 | $mp = $this->movePageFactory->newMovePage( $oldSubpage, $newSubpage ); |
| 545 | return $mp->moveIfAllowed( $performer, $reason, $createRedirect, $changeTags ); |
| 546 | } |
| 547 | ); |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * @param callable $subpageMoveCallback |
| 552 | * @return Status |
| 553 | */ |
| 554 | private function moveSubpagesInternal( callable $subpageMoveCallback ) { |
| 555 | // Do the source and target namespaces support subpages? |
| 556 | if ( !$this->nsInfo->hasSubpages( $this->oldTitle->getNamespace() ) ) { |
| 557 | return Status::newFatal( 'namespace-nosubpages', |
| 558 | $this->nsInfo->getCanonicalName( $this->oldTitle->getNamespace() ) ); |
| 559 | } |
| 560 | if ( !$this->nsInfo->hasSubpages( $this->newTitle->getNamespace() ) ) { |
| 561 | return Status::newFatal( 'namespace-nosubpages', |
| 562 | $this->nsInfo->getCanonicalName( $this->newTitle->getNamespace() ) ); |
| 563 | } |
| 564 | |
| 565 | // Return a status for the overall result. Its value will be an array with per-title |
| 566 | // status for each subpage. Merge any errors from the per-title statuses into the |
| 567 | // top-level status without resetting the overall result. |
| 568 | $max = $this->maximumMovedPages; |
| 569 | $topStatus = Status::newGood(); |
| 570 | $perTitleStatus = []; |
| 571 | $subpages = $this->oldTitle->getSubpages( $max >= 0 ? $max + 1 : -1 ); |
| 572 | $count = 0; |
| 573 | foreach ( $subpages as $oldSubpage ) { |
| 574 | $count++; |
| 575 | if ( $max >= 0 && $count > $max ) { |
| 576 | $status = Status::newFatal( 'movepage-max-pages', $max ); |
| 577 | $perTitleStatus[$oldSubpage->getPrefixedText()] = $status; |
| 578 | $topStatus->merge( $status ); |
| 579 | $topStatus->setOK( true ); |
| 580 | break; |
| 581 | } |
| 582 | |
| 583 | // We don't know whether this function was called before or after moving the root page, |
| 584 | // so check both titles |
| 585 | if ( $oldSubpage->getArticleID() == $this->oldTitle->getArticleID() || |
| 586 | $oldSubpage->getArticleID() == $this->newTitle->getArticleID() |
| 587 | ) { |
| 588 | // When moving a page to a subpage of itself, don't move it twice |
| 589 | continue; |
| 590 | } |
| 591 | $newPageName = preg_replace( |
| 592 | '#^' . preg_quote( $this->oldTitle->getDBkey(), '#' ) . '#', |
| 593 | StringUtils::escapeRegexReplacement( $this->newTitle->getDBkey() ), # T23234 |
| 594 | $oldSubpage->getDBkey() ); |
| 595 | if ( $oldSubpage->isTalkPage() ) { |
| 596 | $newNs = $this->nsInfo->getTalkPage( $this->newTitle )->getNamespace(); |
| 597 | } else { |
| 598 | $newNs = $this->nsInfo->getSubjectPage( $this->newTitle )->getNamespace(); |
| 599 | } |
| 600 | // T16385: we need makeTitleSafe because the new page names may be longer than 255 |
| 601 | // characters. |
| 602 | $newSubpage = Title::makeTitleSafe( $newNs, $newPageName ); |
| 603 | $status = $subpageMoveCallback( $oldSubpage, $newSubpage ); |
| 604 | if ( $status->isOK() ) { |
| 605 | $status->setResult( true, $newSubpage->getPrefixedText() ); |
| 606 | } |
| 607 | $perTitleStatus[$oldSubpage->getPrefixedText()] = $status; |
| 608 | $topStatus->merge( $status ); |
| 609 | $topStatus->setOK( true ); |
| 610 | } |
| 611 | |
| 612 | $topStatus->value = $perTitleStatus; |
| 613 | return $topStatus; |
| 614 | } |
| 615 | |
| 616 | /** |
| 617 | * Moves *without* any sort of safety or other checks. Hooks can still fail the move, however. |
| 618 | * |
| 619 | * @param UserIdentity $user |
| 620 | * @param string $reason |
| 621 | * @param bool $createRedirect |
| 622 | * @param string[] $changeTags Change tags to apply to the entry in the move log |
| 623 | * @return Status |
| 624 | */ |
| 625 | private function moveUnsafe( UserIdentity $user, $reason, $createRedirect, array $changeTags ) { |
| 626 | $status = Status::newGood(); |
| 627 | |
| 628 | // TODO: make hooks accept UserIdentity |
| 629 | $userObj = $this->userFactory->newFromUserIdentity( $user ); |
| 630 | $this->hookRunner->onTitleMove( $this->oldTitle, $this->newTitle, $userObj, $reason, $status ); |
| 631 | if ( !$status->isOK() ) { |
| 632 | // Move was aborted by the hook |
| 633 | return $status; |
| 634 | } |
| 635 | |
| 636 | $dbw = $this->dbProvider->getPrimaryDatabase(); |
| 637 | $dbw->startAtomic( __METHOD__, IDatabase::ATOMIC_CANCELABLE ); |
| 638 | |
| 639 | $this->hookRunner->onTitleMoveStarting( $this->oldTitle, $this->newTitle, $userObj ); |
| 640 | |
| 641 | $pageid = $this->oldTitle->getArticleID( IDBAccessObject::READ_LATEST ); |
| 642 | $protected = $this->restrictionStore->isProtected( $this->oldTitle ); |
| 643 | |
| 644 | // Attempt the actual move |
| 645 | $moveAttemptResult = $this->moveToInternal( $user, $this->newTitle, $reason, $createRedirect, |
| 646 | $changeTags ); |
| 647 | |
| 648 | if ( !$moveAttemptResult->isGood() ) { |
| 649 | // T265779: Attempt to delete target page failed |
| 650 | $dbw->cancelAtomic( __METHOD__ ); |
| 651 | return $moveAttemptResult; |
| 652 | } else { |
| 653 | $nullRevision = $moveAttemptResult->getValue()['nullRevision']; |
| 654 | '@phan-var \MediaWiki\Revision\RevisionRecord $nullRevision'; |
| 655 | } |
| 656 | |
| 657 | $redirid = $this->oldTitle->getArticleID(); |
| 658 | |
| 659 | if ( $protected ) { |
| 660 | # Protect the redirect title as the title used to be... |
| 661 | $res = $dbw->newSelectQueryBuilder() |
| 662 | ->select( [ 'pr_type', 'pr_level', 'pr_cascade', 'pr_expiry' ] ) |
| 663 | ->from( 'page_restrictions' ) |
| 664 | ->where( [ 'pr_page' => $pageid ] ) |
| 665 | ->forUpdate() |
| 666 | ->caller( __METHOD__ ) |
| 667 | ->fetchResultSet(); |
| 668 | $rowsInsert = []; |
| 669 | foreach ( $res as $row ) { |
| 670 | $rowsInsert[] = [ |
| 671 | 'pr_page' => $redirid, |
| 672 | 'pr_type' => $row->pr_type, |
| 673 | 'pr_level' => $row->pr_level, |
| 674 | 'pr_cascade' => $row->pr_cascade, |
| 675 | 'pr_expiry' => $row->pr_expiry |
| 676 | ]; |
| 677 | } |
| 678 | if ( $rowsInsert ) { |
| 679 | $dbw->newInsertQueryBuilder() |
| 680 | ->insertInto( 'page_restrictions' ) |
| 681 | ->ignore() |
| 682 | ->rows( $rowsInsert ) |
| 683 | ->caller( __METHOD__ )->execute(); |
| 684 | } |
| 685 | |
| 686 | // Build comment for log |
| 687 | $comment = wfMessage( |
| 688 | 'prot_1movedto2', |
| 689 | $this->oldTitle->getPrefixedText(), |
| 690 | $this->newTitle->getPrefixedText() |
| 691 | )->inContentLanguage()->text(); |
| 692 | if ( $reason ) { |
| 693 | $comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason; |
| 694 | } |
| 695 | |
| 696 | // reread inserted pr_ids for log relation |
| 697 | $logRelationsValues = $dbw->newSelectQueryBuilder() |
| 698 | ->select( 'pr_id' ) |
| 699 | ->from( 'page_restrictions' ) |
| 700 | ->where( [ 'pr_page' => $redirid ] ) |
| 701 | ->caller( __METHOD__ )->fetchFieldValues(); |
| 702 | |
| 703 | // Update the protection log |
| 704 | $logEntry = new ManualLogEntry( 'protect', 'move_prot' ); |
| 705 | $logEntry->setTarget( $this->newTitle ); |
| 706 | $logEntry->setComment( $comment ); |
| 707 | $logEntry->setPerformer( $user ); |
| 708 | $logEntry->setParameters( [ |
| 709 | '4::oldtitle' => $this->oldTitle->getPrefixedText(), |
| 710 | ] ); |
| 711 | $logEntry->setRelations( [ 'pr_id' => $logRelationsValues ] ); |
| 712 | $logEntry->addTags( $changeTags ); |
| 713 | $logId = $logEntry->insert(); |
| 714 | $logEntry->publish( $logId ); |
| 715 | } |
| 716 | |
| 717 | # Update watchlists |
| 718 | $oldtitle = $this->oldTitle->getDBkey(); |
| 719 | $newtitle = $this->newTitle->getDBkey(); |
| 720 | $oldsnamespace = $this->nsInfo->getSubject( $this->oldTitle->getNamespace() ); |
| 721 | $newsnamespace = $this->nsInfo->getSubject( $this->newTitle->getNamespace() ); |
| 722 | if ( $oldsnamespace != $newsnamespace || $oldtitle != $newtitle ) { |
| 723 | $this->watchedItems->duplicateAllAssociatedEntries( $this->oldTitle, $this->newTitle ); |
| 724 | } |
| 725 | |
| 726 | // If it is a file then move it last. |
| 727 | // This is done after all database changes so that file system errors cancel the transaction. |
| 728 | if ( $this->oldTitle->getNamespace() === NS_FILE ) { |
| 729 | $status = $this->moveFile( $this->oldTitle, $this->newTitle ); |
| 730 | if ( !$status->isOK() ) { |
| 731 | $dbw->cancelAtomic( __METHOD__ ); |
| 732 | return $status; |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | $this->hookRunner->onPageMoveCompleting( |
| 737 | $this->oldTitle, $this->newTitle, |
| 738 | $user, $pageid, $redirid, $reason, $nullRevision |
| 739 | ); |
| 740 | |
| 741 | $dbw->endAtomic( __METHOD__ ); |
| 742 | |
| 743 | // Keep each single hook handler atomic |
| 744 | DeferredUpdates::addUpdate( |
| 745 | new AtomicSectionUpdate( |
| 746 | $dbw, |
| 747 | __METHOD__, |
| 748 | function () use ( $user, $pageid, $redirid, $reason, $nullRevision ) { |
| 749 | $this->hookRunner->onPageMoveComplete( |
| 750 | $this->oldTitle, |
| 751 | $this->newTitle, |
| 752 | $user, |
| 753 | $pageid, |
| 754 | $redirid, |
| 755 | $reason, |
| 756 | $nullRevision |
| 757 | ); |
| 758 | } |
| 759 | ) |
| 760 | ); |
| 761 | |
| 762 | return $moveAttemptResult; |
| 763 | } |
| 764 | |
| 765 | /** |
| 766 | * Move a file associated with a page to a new location. |
| 767 | * Can also be used to revert after a DB failure. |
| 768 | * |
| 769 | * @internal |
| 770 | * @param Title $oldTitle Old location to move the file from. |
| 771 | * @param Title $newTitle New location to move the file to. |
| 772 | * @return Status |
| 773 | */ |
| 774 | private function moveFile( $oldTitle, $newTitle ) { |
| 775 | $file = $this->repoGroup->getLocalRepo()->newFile( $oldTitle ); |
| 776 | $file->load( IDBAccessObject::READ_LATEST ); |
| 777 | if ( $file->exists() ) { |
| 778 | $status = $file->move( $newTitle ); |
| 779 | } else { |
| 780 | $status = Status::newGood(); |
| 781 | } |
| 782 | |
| 783 | // Clear RepoGroup process cache |
| 784 | $this->repoGroup->clearCache( $oldTitle ); |
| 785 | $this->repoGroup->clearCache( $newTitle ); # clear false negative cache |
| 786 | return $status; |
| 787 | } |
| 788 | |
| 789 | /** |
| 790 | * Move page to a title which is either a redirect to the |
| 791 | * source page or nonexistent |
| 792 | * |
| 793 | * @todo This was basically directly moved from Title, it should be split into |
| 794 | * smaller functions |
| 795 | * @param UserIdentity $user doing the move |
| 796 | * @param Title &$nt The page to move to, which should be a redirect or non-existent |
| 797 | * @param string $reason The reason for the move |
| 798 | * @param bool $createRedirect Whether to leave a redirect at the old title. Does not check |
| 799 | * if the user has the suppressredirect right |
| 800 | * @param string[] $changeTags Change tags to apply to the entry in the move log |
| 801 | * @return Status Status object with the following value on success: |
| 802 | * [ |
| 803 | * 'nullRevision' => The ("null") revision created by the move (RevisionRecord) |
| 804 | * 'redirectRevision' => The initial revision of the redirect if it was created (RevisionRecord|null) |
| 805 | * ] |
| 806 | */ |
| 807 | private function moveToInternal( |
| 808 | UserIdentity $user, |
| 809 | &$nt, |
| 810 | $reason = '', |
| 811 | $createRedirect = true, |
| 812 | array $changeTags = [] |
| 813 | ): Status { |
| 814 | if ( $nt->getArticleID( IDBAccessObject::READ_LATEST ) ) { |
| 815 | $moveOverRedirect = true; |
| 816 | $logType = 'move_redir'; |
| 817 | } else { |
| 818 | $moveOverRedirect = false; |
| 819 | $logType = 'move'; |
| 820 | } |
| 821 | |
| 822 | if ( $moveOverRedirect ) { |
| 823 | $overwriteMessage = wfMessage( |
| 824 | 'delete_and_move_reason', |
| 825 | $this->oldTitle->getPrefixedText() |
| 826 | )->inContentLanguage()->text(); |
| 827 | $newpage = $this->wikiPageFactory->newFromTitle( $nt ); |
| 828 | // TODO The public methods of this class should take an Authority. |
| 829 | $moverAuthority = $this->userFactory->newFromUserIdentity( $user ); |
| 830 | $deletePage = $this->deletePageFactory->newDeletePage( $newpage, $moverAuthority ); |
| 831 | $status = $deletePage |
| 832 | ->setTags( $changeTags ) |
| 833 | ->setLogSubtype( 'delete_redir' ) |
| 834 | ->deleteUnsafe( $overwriteMessage ); |
| 835 | if ( $status->isGood() && $deletePage->deletionsWereScheduled()[DeletePage::PAGE_BASE] ) { |
| 836 | // FIXME Scheduled deletion not properly handled here -- it should probably either ensure an |
| 837 | // immediate deletion or not fail if it was scheduled. |
| 838 | $status->warning( 'delete-scheduled', wfEscapeWikiText( $nt->getPrefixedText() ) ); |
| 839 | } |
| 840 | |
| 841 | if ( !$status->isGood() ) { |
| 842 | return $status; |
| 843 | } |
| 844 | |
| 845 | $nt->resetArticleID( false ); |
| 846 | } |
| 847 | |
| 848 | if ( $createRedirect ) { |
| 849 | if ( $this->oldTitle->getNamespace() === NS_CATEGORY |
| 850 | && !wfMessage( 'category-move-redirect-override' )->inContentLanguage()->isDisabled() |
| 851 | ) { |
| 852 | $redirectContent = new WikitextContent( |
| 853 | wfMessage( 'category-move-redirect-override' ) |
| 854 | ->params( $nt->getPrefixedText() )->inContentLanguage()->plain() ); |
| 855 | } else { |
| 856 | $redirectContent = $this->contentHandlerFactory |
| 857 | ->getContentHandler( $this->oldTitle->getContentModel() ) |
| 858 | ->makeRedirectContent( |
| 859 | $nt, |
| 860 | wfMessage( 'move-redirect-text' )->inContentLanguage()->plain() |
| 861 | ); |
| 862 | } |
| 863 | |
| 864 | // NOTE: If this page's content model does not support redirects, $redirectContent will be null. |
| 865 | } else { |
| 866 | $redirectContent = null; |
| 867 | } |
| 868 | |
| 869 | // T59084: log_page should be the ID of the *moved* page |
| 870 | $oldid = $this->oldTitle->getArticleID(); |
| 871 | $logTitle = clone $this->oldTitle; |
| 872 | |
| 873 | $logEntry = new ManualLogEntry( 'move', $logType ); |
| 874 | $logEntry->setPerformer( $user ); |
| 875 | $logEntry->setTarget( $logTitle ); |
| 876 | $logEntry->setComment( $reason ); |
| 877 | $logEntry->setParameters( [ |
| 878 | '4::target' => $nt->getPrefixedText(), |
| 879 | '5::noredir' => $redirectContent ? '0' : '1', |
| 880 | ] ); |
| 881 | |
| 882 | $formatter = $this->logFormatterFactory->newFromEntry( $logEntry ); |
| 883 | $formatter->setContext( RequestContext::newExtraneousContext( $this->oldTitle ) ); |
| 884 | $comment = $formatter->getPlainActionText(); |
| 885 | if ( $reason ) { |
| 886 | $comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason; |
| 887 | } |
| 888 | |
| 889 | $dbw = $this->dbProvider->getPrimaryDatabase(); |
| 890 | |
| 891 | $oldpage = $this->wikiPageFactory->newFromTitle( $this->oldTitle ); |
| 892 | $oldcountable = $oldpage->isCountable(); |
| 893 | |
| 894 | $newpage = $this->wikiPageFactory->newFromTitle( $nt ); |
| 895 | |
| 896 | # Change the name of the target page: |
| 897 | $dbw->newUpdateQueryBuilder() |
| 898 | ->update( 'page' ) |
| 899 | ->set( [ |
| 900 | 'page_namespace' => $nt->getNamespace(), |
| 901 | 'page_title' => $nt->getDBkey(), |
| 902 | ] ) |
| 903 | ->where( [ 'page_id' => $oldid ] ) |
| 904 | ->caller( __METHOD__ )->execute(); |
| 905 | |
| 906 | // Reset $nt before using it to create the null revision (T248789). |
| 907 | // But not $this->oldTitle yet, see below (T47348). |
| 908 | $nt->resetArticleID( $oldid ); |
| 909 | |
| 910 | $commentObj = CommentStoreComment::newUnsavedComment( $comment ); |
| 911 | # Save a null revision in the page's history notifying of the move |
| 912 | $nullRevision = $this->revisionStore->newNullRevision( |
| 913 | $dbw, |
| 914 | $nt, |
| 915 |