wiki.techinc.nl/includes/MovePage.php
DannyS712 debaa34b0d MovePage: Don't use MediaWikiServices for services already available
Change-Id: I51ffb62b35fb6c934d0aafb9763dd4cbec288e2f
2020-07-13 06:53:25 +00:00

1017 lines
32 KiB
PHP

<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use MediaWiki\Config\ServiceOptions;
use MediaWiki\Content\IContentHandlerFactory;
use MediaWiki\EditPage\SpamChecker;
use MediaWiki\HookContainer\HookContainer;
use MediaWiki\HookContainer\HookRunner;
use MediaWiki\MediaWikiServices;
use MediaWiki\Permissions\PermissionManager;
use MediaWiki\Revision\MutableRevisionRecord;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\RevisionStore;
use MediaWiki\Revision\SlotRecord;
use Wikimedia\Rdbms\IDatabase;
use Wikimedia\Rdbms\ILoadBalancer;
/**
* Handles the backend logic of moving a page from one title
* to another.
*
* @since 1.24
*/
class MovePage {
/**
* @var Title
*/
protected $oldTitle;
/**
* @var Title
*/
protected $newTitle;
/**
* @var ServiceOptions
*/
protected $options;
/**
* @var ILoadBalancer
*/
protected $loadBalancer;
/**
* @var NamespaceInfo
*/
protected $nsInfo;
/**
* @var WatchedItemStoreInterface
*/
protected $watchedItems;
/**
* @var PermissionManager
*/
protected $permMgr;
/**
* @var RepoGroup
*/
protected $repoGroup;
/**
* @var IContentHandlerFactory
*/
private $contentHandlerFactory;
/**
* @var RevisionStore
*/
private $revisionStore;
/**
* @var SpamChecker
*/
private $spamChecker;
/**
* @var HookContainer
*/
private $hookContainer;
/**
* @var HookRunner
*/
private $hookRunner;
public const CONSTRUCTOR_OPTIONS = [
'CategoryCollation'
];
/**
* Calling this directly is deprecated in 1.34. Use MovePageFactory instead.
*
* @param Title $oldTitle
* @param Title $newTitle
* @param ServiceOptions|null $options
* @param ILoadBalancer|null $loadBalancer
* @param NamespaceInfo|null $nsInfo
* @param WatchedItemStoreInterface|null $watchedItems
* @param PermissionManager|null $permMgr
* @param RepoGroup|null $repoGroup
* @param IContentHandlerFactory|null $contentHandlerFactory
* @param RevisionStore|null $revisionStore
* @param SpamChecker|null $spamChecker
* @param HookContainer|null $hookContainer
*/
public function __construct(
Title $oldTitle,
Title $newTitle,
ServiceOptions $options = null,
ILoadBalancer $loadBalancer = null,
NamespaceInfo $nsInfo = null,
WatchedItemStoreInterface $watchedItems = null,
PermissionManager $permMgr = null,
RepoGroup $repoGroup = null,
IContentHandlerFactory $contentHandlerFactory = null,
RevisionStore $revisionStore = null,
SpamChecker $spamChecker = null,
HookContainer $hookContainer = null
) {
$this->oldTitle = $oldTitle;
$this->newTitle = $newTitle;
$services = MediaWikiServices::getInstance();
$this->options = $options ??
new ServiceOptions(
self::CONSTRUCTOR_OPTIONS,
$services->getMainConfig()
);
$this->loadBalancer = $loadBalancer ?? $services->getDBLoadBalancer();
$this->nsInfo = $nsInfo ?? $services->getNamespaceInfo();
$this->watchedItems = $watchedItems ?? $services->getWatchedItemStore();
$this->permMgr = $permMgr ?? $services->getPermissionManager();
$this->repoGroup = $repoGroup ?? $services->getRepoGroup();
$this->contentHandlerFactory =
$contentHandlerFactory ?? $services->getContentHandlerFactory();
$this->revisionStore = $revisionStore ?? $services->getRevisionStore();
$this->spamChecker = $spamChecker ?? $services->getSpamChecker();
$this->hookContainer = $hookContainer ?? $services->getHookContainer();
$this->hookRunner = new HookRunner( $this->hookContainer );
}
/**
* Check if the user is allowed to perform the move.
*
* @param User $user
* @param string|null $reason To check against summary spam regex. Set to null to skip the check,
* for instance to display errors preemptively before the user has filled in a summary.
* @return Status
*/
public function checkPermissions( User $user, $reason ) {
$status = new Status();
$errors = wfMergeErrorArrays(
$this->permMgr->getPermissionErrors( 'move', $user, $this->oldTitle ),
$this->permMgr->getPermissionErrors( 'edit', $user, $this->oldTitle ),
$this->permMgr->getPermissionErrors( 'move-target', $user, $this->newTitle ),
$this->permMgr->getPermissionErrors( 'edit', $user, $this->newTitle )
);
// Convert into a Status object
if ( $errors ) {
foreach ( $errors as $error ) {
$status->fatal( ...$error );
}
}
if ( $reason !== null && $this->spamChecker->checkSummary( $reason ) !== false ) {
// This is kind of lame, won't display nice
$status->fatal( 'spamprotectiontext' );
}
$tp = $this->newTitle->getTitleProtection();
if ( $tp !== false && !$this->permMgr->userHasRight( $user, $tp['permission'] ) ) {
$status->fatal( 'cantmove-titleprotected' );
}
$this->hookRunner->onMovePageCheckPermissions(
$this->oldTitle, $this->newTitle, $user, $reason, $status );
return $status;
}
/**
* Does various sanity checks that the move is
* valid. Only things based on the two titles
* should be checked here.
*
* @return Status
*/
public function isValidMove() {
$status = new Status();
if ( $this->oldTitle->equals( $this->newTitle ) ) {
$status->fatal( 'selfmove' );
} elseif ( $this->newTitle->getArticleID() && !$this->isValidMoveTarget() ) {
// The move is allowed only if (1) the target doesn't exist, or (2) the target is a
// redirect to the source, and has no history (so we can undo bad moves right after
// they're done).
$status->fatal( 'articleexists', $this->newTitle->getPrefixedText() );
}
// @todo If the old title is invalid, maybe we should check if it somehow exists in the
// database and allow moving it to a valid name? Why prohibit the move from an empty name
// without checking in the database?
if ( $this->oldTitle->getDBkey() == '' ) {
$status->fatal( 'badarticleerror' );
} elseif ( $this->oldTitle->isExternal() ) {
$status->fatal( 'immobile-source-namespace-iw' );
} elseif ( !$this->oldTitle->isMovable() ) {
$nsText = $this->oldTitle->getNsText();
if ( $nsText === '' ) {
$nsText = wfMessage( 'blanknamespace' )->text();
}
$status->fatal( 'immobile-source-namespace', $nsText );
} elseif ( !$this->oldTitle->exists() ) {
$status->fatal( 'movepage-source-doesnt-exist' );
}
if ( $this->newTitle->isExternal() ) {
$status->fatal( 'immobile-target-namespace-iw' );
} elseif ( !$this->newTitle->isMovable() ) {
$nsText = $this->newTitle->getNsText();
if ( $nsText === '' ) {
$nsText = wfMessage( 'blanknamespace' )->text();
}
$status->fatal( 'immobile-target-namespace', $nsText );
}
if ( !$this->newTitle->isValid() ) {
$status->fatal( 'movepage-invalid-target-title' );
}
// Content model checks
if ( !$this->contentHandlerFactory
->getContentHandler( $this->oldTitle->getContentModel() )
->canBeUsedOn( $this->newTitle )
) {
$status->fatal(
'content-not-allowed-here',
ContentHandler::getLocalizedName( $this->oldTitle->getContentModel() ),
$this->newTitle->getPrefixedText(),
SlotRecord::MAIN
);
}
// Image-specific checks
if ( $this->oldTitle->inNamespace( NS_FILE ) ) {
$status->merge( $this->isValidFileMove() );
}
if ( $this->newTitle->inNamespace( NS_FILE ) && !$this->oldTitle->inNamespace( NS_FILE ) ) {
$status->fatal( 'nonfile-cannot-move-to-file' );
}
// Hook for extensions to say a title can't be moved for technical reasons
$this->hookRunner->onMovePageIsValidMove( $this->oldTitle, $this->newTitle, $status );
return $status;
}
/**
* Sanity checks for when a file is being moved
*
* @return Status
*/
protected function isValidFileMove() {
$status = new Status();
if ( !$this->newTitle->inNamespace( NS_FILE ) ) {
$status->fatal( 'imagenocrossnamespace' );
// No need for further errors about the target filename being wrong
return $status;
}
$file = $this->repoGroup->getLocalRepo()->newFile( $this->oldTitle );
$file->load( File::READ_LATEST );
if ( $file->exists() ) {
if ( $this->newTitle->getText() != wfStripIllegalFilenameChars( $this->newTitle->getText() ) ) {
$status->fatal( 'imageinvalidfilename' );
}
if ( !File::checkExtensionCompatibility( $file, $this->newTitle->getDBkey() ) ) {
$status->fatal( 'imagetypemismatch' );
}
}
return $status;
}
/**
* Checks if $this can be moved to a given Title
* - Selects for update, so don't call it unless you mean business
*
* @since 1.25
* @return bool
*/
protected function isValidMoveTarget() {
# Is it an existing file?
if ( $this->newTitle->inNamespace( NS_FILE ) ) {
$file = $this->repoGroup->getLocalRepo()->newFile( $this->newTitle );
$file->load( File::READ_LATEST );
if ( $file->exists() ) {
wfDebug( __METHOD__ . ": file exists" );
return false;
}
}
# Is it a redirect with no history?
if ( !$this->newTitle->isSingleRevRedirect() ) {
wfDebug( __METHOD__ . ": not a one-rev redirect" );
return false;
}
# Get the article text
$rev = $this->revisionStore->getRevisionByTitle(
$this->newTitle,
0,
RevisionStore::READ_LATEST
);
if ( !is_object( $rev ) ) {
return false;
}
$content = $rev->getContent( SlotRecord::MAIN );
# Does the redirect point to the source?
# Or is it a broken self-redirect, usually caused by namespace collisions?
$redirTitle = $content ? $content->getRedirectTarget() : null;
if ( $redirTitle ) {
if ( $redirTitle->getPrefixedDBkey() !== $this->oldTitle->getPrefixedDBkey() &&
$redirTitle->getPrefixedDBkey() !== $this->newTitle->getPrefixedDBkey() ) {
wfDebug( __METHOD__ . ": redirect points to other page" );
return false;
} else {
return true;
}
} else {
# Fail safe (not a redirect after all. strange.)
wfDebug( __METHOD__ . ": failsafe: database says " . $this->newTitle->getPrefixedDBkey() .
" is a redirect, but it doesn't contain a valid redirect." );
return false;
}
}
/**
* Move a page without taking user permissions into account. Only checks if the move is itself
* invalid, e.g., trying to move a special page or trying to move a page onto one that already
* exists.
*
* @param User $user
* @param string|null $reason
* @param bool|null $createRedirect
* @param string[] $changeTags Change tags to apply to the entry in the move log
* @return Status
*/
public function move(
User $user, $reason = null, $createRedirect = true, array $changeTags = []
) {
$status = $this->isValidMove();
if ( !$status->isOK() ) {
return $status;
}
return $this->moveUnsafe( $user, $reason, $createRedirect, $changeTags );
}
/**
* Same as move(), but with permissions checks.
*
* @param User $user
* @param string|null $reason
* @param bool|null $createRedirect Ignored if user doesn't have suppressredirect permission
* @param string[] $changeTags Change tags to apply to the entry in the move log
* @return Status
*/
public function moveIfAllowed(
User $user, $reason = null, $createRedirect = true, array $changeTags = []
) {
$status = $this->isValidMove();
$status->merge( $this->checkPermissions( $user, $reason ) );
if ( $changeTags ) {
$status->merge( ChangeTags::canAddTagsAccompanyingChange( $changeTags, $user ) );
}
if ( !$status->isOK() ) {
// Auto-block user's IP if the account was "hard" blocked
$user->spreadAnyEditBlock();
return $status;
}
// Check suppressredirect permission
if ( !$this->permMgr->userHasRight( $user, 'suppressredirect' ) ) {
$createRedirect = true;
}
return $this->moveUnsafe( $user, $reason, $createRedirect, $changeTags );
}
/**
* Move the source page's subpages to be subpages of the target page, without checking user
* permissions. The caller is responsible for moving the source page itself. We will still not
* do moves that are inherently not allowed, nor will we move more than $wgMaximumMovedPages.
*
* @param User $user
* @param string|null $reason The reason for the move
* @param bool|null $createRedirect Whether to create redirects from the old subpages to
* the new ones
* @param string[] $changeTags Applied to entries in the move log and redirect page revision
* @return Status Good if no errors occurred. Ok if at least one page succeeded. The "value"
* of the top-level status is an array containing the per-title status for each page. For any
* move that succeeded, the "value" of the per-title status is the new page title.
*/
public function moveSubpages(
User $user, $reason = null, $createRedirect = true, array $changeTags = []
) {
return $this->moveSubpagesInternal( false, $user, $reason, $createRedirect, $changeTags );
}
/**
* Move the source page's subpages to be subpages of the target page, with user permission
* checks. The caller is responsible for moving the source page itself.
*
* @param User $user
* @param string|null $reason The reason for the move
* @param bool|null $createRedirect Whether to create redirects from the old subpages to
* the new ones. Ignored if the user doesn't have the 'suppressredirect' right.
* @param string[] $changeTags Applied to entries in the move log and redirect page revision
* @return Status Good if no errors occurred. Ok if at least one page succeeded. The "value"
* of the top-level status is an array containing the per-title status for each page. For any
* move that succeeded, the "value" of the per-title status is the new page title.
*/
public function moveSubpagesIfAllowed(
User $user, $reason = null, $createRedirect = true, array $changeTags = []
) {
return $this->moveSubpagesInternal( true, $user, $reason, $createRedirect, $changeTags );
}
/**
* @param bool $checkPermissions
* @param User $user
* @param string $reason
* @param bool $createRedirect
* @param array $changeTags
* @return Status
*/
private function moveSubpagesInternal(
$checkPermissions, User $user, $reason, $createRedirect, array $changeTags
) {
global $wgMaximumMovedPages;
if ( $checkPermissions ) {
if ( !$this->permMgr->userCan(
'move-subpages', $user, $this->oldTitle )
) {
return Status::newFatal( 'cant-move-subpages' );
}
}
// Do the source and target namespaces support subpages?
if ( !$this->nsInfo->hasSubpages( $this->oldTitle->getNamespace() ) ) {
return Status::newFatal( 'namespace-nosubpages',
$this->nsInfo->getCanonicalName( $this->oldTitle->getNamespace() ) );
}
if ( !$this->nsInfo->hasSubpages( $this->newTitle->getNamespace() ) ) {
return Status::newFatal( 'namespace-nosubpages',
$this->nsInfo->getCanonicalName( $this->newTitle->getNamespace() ) );
}
// Return a status for the overall result. Its value will be an array with per-title
// status for each subpage. Merge any errors from the per-title statuses into the
// top-level status without resetting the overall result.
$topStatus = Status::newGood();
$perTitleStatus = [];
$subpages = $this->oldTitle->getSubpages( $wgMaximumMovedPages + 1 );
$count = 0;
foreach ( $subpages as $oldSubpage ) {
$count++;
if ( $count > $wgMaximumMovedPages ) {
$status = Status::newFatal( 'movepage-max-pages', $wgMaximumMovedPages );
$perTitleStatus[$oldSubpage->getPrefixedText()] = $status;
$topStatus->merge( $status );
$topStatus->setOK( true );
break;
}
// We don't know whether this function was called before or after moving the root page,
// so check both titles
if ( $oldSubpage->getArticleID() == $this->oldTitle->getArticleID() ||
$oldSubpage->getArticleID() == $this->newTitle->getArticleID()
) {
// When moving a page to a subpage of itself, don't move it twice
continue;
}
$newPageName = preg_replace(
'#^' . preg_quote( $this->oldTitle->getDBkey(), '#' ) . '#',
StringUtils::escapeRegexReplacement( $this->newTitle->getDBkey() ), # T23234
$oldSubpage->getDBkey() );
if ( $oldSubpage->isTalkPage() ) {
$newNs = $this->newTitle->getTalkPage()->getNamespace();
} else {
$newNs = $this->newTitle->getSubjectPage()->getNamespace();
}
// T16385: we need makeTitleSafe because the new page names may be longer than 255
// characters.
$newSubpage = Title::makeTitleSafe( $newNs, $newPageName );
$mp = new MovePage( $oldSubpage, $newSubpage );
$method = $checkPermissions ? 'moveIfAllowed' : 'move';
/** @var Status $status */
$status = $mp->$method( $user, $reason, $createRedirect, $changeTags );
if ( $status->isOK() ) {
$status->setResult( true, $newSubpage->getPrefixedText() );
}
$perTitleStatus[$oldSubpage->getPrefixedText()] = $status;
$topStatus->merge( $status );
$topStatus->setOK( true );
}
$topStatus->value = $perTitleStatus;
return $topStatus;
}
/**
* Moves *without* any sort of safety or sanity checks. Hooks can still fail the move, however.
*
* @param User $user
* @param string $reason
* @param bool $createRedirect
* @param string[] $changeTags Change tags to apply to the entry in the move log
* @return Status
*/
private function moveUnsafe( User $user, $reason, $createRedirect, array $changeTags ) {
$status = Status::newGood();
$this->hookRunner->onTitleMove( $this->oldTitle, $this->newTitle, $user, $reason, $status );
if ( !$status->isOK() ) {
// Move was aborted by the hook
return $status;
}
$dbw = $this->loadBalancer->getConnection( DB_MASTER );
$dbw->startAtomic( __METHOD__, IDatabase::ATOMIC_CANCELABLE );
$this->hookRunner->onTitleMoveStarting( $this->oldTitle, $this->newTitle, $user );
$pageid = $this->oldTitle->getArticleID( Title::READ_LATEST );
$protected = $this->oldTitle->isProtected();
// Do the actual move; if this fails, it will throw an MWException(!)
$nullRevision = $this->moveToInternal( $user, $this->newTitle, $reason, $createRedirect,
$changeTags );
// Refresh the sortkey for this row. Be careful to avoid resetting
// cl_timestamp, which may disturb time-based lists on some sites.
// @todo This block should be killed, it's duplicating code
// from LinksUpdate::getCategoryInsertions() and friends.
$prefixes = $dbw->select(
'categorylinks',
[ 'cl_sortkey_prefix', 'cl_to' ],
[ 'cl_from' => $pageid ],
__METHOD__
);
$type = $this->nsInfo->getCategoryLinkType( $this->newTitle->getNamespace() );
foreach ( $prefixes as $prefixRow ) {
$prefix = $prefixRow->cl_sortkey_prefix;
$catTo = $prefixRow->cl_to;
$dbw->update( 'categorylinks',
[
'cl_sortkey' => Collation::singleton()->getSortKey(
$this->newTitle->getCategorySortkey( $prefix ) ),
'cl_collation' => $this->options->get( 'CategoryCollation' ),
'cl_type' => $type,
'cl_timestamp=cl_timestamp' ],
[
'cl_from' => $pageid,
'cl_to' => $catTo ],
__METHOD__
);
}
$redirid = $this->oldTitle->getArticleID();
if ( $protected ) {
# Protect the redirect title as the title used to be...
$res = $dbw->select(
'page_restrictions',
[ 'pr_type', 'pr_level', 'pr_cascade', 'pr_user', 'pr_expiry' ],
[ 'pr_page' => $pageid ],
__METHOD__,
'FOR UPDATE'
);
$rowsInsert = [];
foreach ( $res as $row ) {
$rowsInsert[] = [
'pr_page' => $redirid,
'pr_type' => $row->pr_type,
'pr_level' => $row->pr_level,
'pr_cascade' => $row->pr_cascade,
'pr_user' => $row->pr_user,
'pr_expiry' => $row->pr_expiry
];
}
$dbw->insert( 'page_restrictions', $rowsInsert, __METHOD__, [ 'IGNORE' ] );
// Build comment for log
$comment = wfMessage(
'prot_1movedto2',
$this->oldTitle->getPrefixedText(),
$this->newTitle->getPrefixedText()
)->inContentLanguage()->text();
if ( $reason ) {
$comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
}
// reread inserted pr_ids for log relation
$insertedPrIds = $dbw->select(
'page_restrictions',
'pr_id',
[ 'pr_page' => $redirid ],
__METHOD__
);
$logRelationsValues = [];
foreach ( $insertedPrIds as $prid ) {
$logRelationsValues[] = $prid->pr_id;
}
// Update the protection log
$logEntry = new ManualLogEntry( 'protect', 'move_prot' );
$logEntry->setTarget( $this->newTitle );
$logEntry->setComment( $comment );
$logEntry->setPerformer( $user );
$logEntry->setParameters( [
'4::oldtitle' => $this->oldTitle->getPrefixedText(),
] );
$logEntry->setRelations( [ 'pr_id' => $logRelationsValues ] );
$logEntry->addTags( $changeTags );
$logId = $logEntry->insert();
$logEntry->publish( $logId );
}
// Update *_from_namespace fields as needed
if ( $this->oldTitle->getNamespace() != $this->newTitle->getNamespace() ) {
$dbw->update( 'pagelinks',
[ 'pl_from_namespace' => $this->newTitle->getNamespace() ],
[ 'pl_from' => $pageid ],
__METHOD__
);
$dbw->update( 'templatelinks',
[ 'tl_from_namespace' => $this->newTitle->getNamespace() ],
[ 'tl_from' => $pageid ],
__METHOD__
);
$dbw->update( 'imagelinks',
[ 'il_from_namespace' => $this->newTitle->getNamespace() ],
[ 'il_from' => $pageid ],
__METHOD__
);
}
# Update watchlists
$oldtitle = $this->oldTitle->getDBkey();
$newtitle = $this->newTitle->getDBkey();
$oldsnamespace = $this->nsInfo->getSubject( $this->oldTitle->getNamespace() );
$newsnamespace = $this->nsInfo->getSubject( $this->newTitle->getNamespace() );
if ( $oldsnamespace != $newsnamespace || $oldtitle != $newtitle ) {
$this->watchedItems->duplicateAllAssociatedEntries( $this->oldTitle, $this->newTitle );
}
// If it is a file then move it last.
// This is done after all database changes so that file system errors cancel the transaction.
if ( $this->oldTitle->getNamespace() == NS_FILE ) {
$status = $this->moveFile( $this->oldTitle, $this->newTitle );
if ( !$status->isOK() ) {
$dbw->cancelAtomic( __METHOD__ );
return $status;
}
}
$this->hookRunner->onPageMoveCompleting(
$this->oldTitle, $this->newTitle,
$user, $pageid, $redirid, $reason, $nullRevision
);
// Deprecated since 1.35, use PageMoveCompleting
if ( $this->hookContainer->isRegistered( 'TitleMoveCompleting' ) ) {
// Only create the Revision object if needed
$nullRevisionObj = new Revision( $nullRevision );
$this->hookRunner->onTitleMoveCompleting(
$this->oldTitle,
$this->newTitle,
$user,
$pageid,
$redirid,
$reason,
$nullRevisionObj
);
}
$dbw->endAtomic( __METHOD__ );
// Keep each single hook handler atomic
DeferredUpdates::addUpdate(
new AtomicSectionUpdate(
$dbw,
__METHOD__,
function () use ( $user, $pageid, $redirid, $reason, $nullRevision ) {
$this->hookRunner->onPageMoveComplete(
$this->oldTitle,
$this->newTitle,
$user,
$pageid,
$redirid,
$reason,
$nullRevision
);
if ( !$this->hookContainer->isRegistered( 'TitleMoveComplete' ) ) {
// Don't go on to create a Revision unless its needed
return;
}
$nullRevisionObj = new Revision( $nullRevision );
// Deprecated since 1.35, use PageMoveComplete
$this->hookRunner->onTitleMoveComplete(
$this->oldTitle,
$this->newTitle,
$user, $pageid,
$redirid,
$reason,
$nullRevisionObj
);
}
)
);
return Status::newGood();
}
/**
* Move a file associated with a page to a new location.
* Can also be used to revert after a DB failure.
*
* @internal
* @param Title $oldTitle Old location to move the file from.
* @param Title $newTitle New location to move the file to.
* @return Status
*/
private function moveFile( $oldTitle, $newTitle ) {
$file = $this->repoGroup->getLocalRepo()->newFile( $oldTitle );
$file->load( File::READ_LATEST );
if ( $file->exists() ) {
$status = $file->move( $newTitle );
} else {
$status = Status::newGood();
}
// Clear RepoGroup process cache
$this->repoGroup->clearCache( $oldTitle );
$this->repoGroup->clearCache( $newTitle ); # clear false negative cache
return $status;
}
/**
* Move page to a title which is either a redirect to the
* source page or nonexistent
*
* @todo This was basically directly moved from Title, it should be split into
* smaller functions
* @param User $user the User doing the move
* @param Title &$nt The page to move to, which should be a redirect or non-existent
* @param string $reason The reason for the move
* @param bool $createRedirect Whether to leave a redirect at the old title. Does not check
* if the user has the suppressredirect right
* @param string[] $changeTags Change tags to apply to the entry in the move log
* @return RevisionRecord the revision created by the move
* @throws MWException
*/
private function moveToInternal( User $user, &$nt, $reason = '', $createRedirect = true,
array $changeTags = []
) {
if ( $nt->exists() ) {
$moveOverRedirect = true;
$logType = 'move_redir';
} else {
$moveOverRedirect = false;
$logType = 'move';
}
if ( $moveOverRedirect ) {
$overwriteMessage = wfMessage(
'delete_and_move_reason',
$this->oldTitle->getPrefixedText()
)->inContentLanguage()->text();
$newpage = WikiPage::factory( $nt );
$errs = [];
$status = $newpage->doDeleteArticleReal(
$overwriteMessage,
$user,
/* $suppress */ false,
/* unused */ null,
$errs,
/* unused */ null,
$changeTags,
'delete_redir'
);
if ( !$status->isGood() ) {
throw new MWException( 'Failed to delete page-move revision: '
. $status->getWikiText( false, false, 'en' ) );
}
$nt->resetArticleID( false );
}
if ( $createRedirect ) {
if ( $this->oldTitle->getNamespace() == NS_CATEGORY
&& !wfMessage( 'category-move-redirect-override' )->inContentLanguage()->isDisabled()
) {
$redirectContent = new WikitextContent(
wfMessage( 'category-move-redirect-override' )
->params( $nt->getPrefixedText() )->inContentLanguage()->plain() );
} else {
$redirectContent = $this->contentHandlerFactory
->getContentHandler( $this->oldTitle->getContentModel() )
->makeRedirectContent(
$nt,
wfMessage( 'move-redirect-text' )->inContentLanguage()->plain()
);
}
// NOTE: If this page's content model does not support redirects, $redirectContent will be null.
} else {
$redirectContent = null;
}
// T59084: log_page should be the ID of the *moved* page
$oldid = $this->oldTitle->getArticleID();
$logTitle = clone $this->oldTitle;
$logEntry = new ManualLogEntry( 'move', $logType );
$logEntry->setPerformer( $user );
$logEntry->setTarget( $logTitle );
$logEntry->setComment( $reason );
$logEntry->setParameters( [
'4::target' => $nt->getPrefixedText(),
'5::noredir' => $redirectContent ? '0' : '1',
] );
$formatter = LogFormatter::newFromEntry( $logEntry );
$formatter->setContext( RequestContext::newExtraneousContext( $this->oldTitle ) );
$comment = $formatter->getPlainActionText();
if ( $reason ) {
$comment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
}
$dbw = $this->loadBalancer->getConnection( DB_MASTER );
$oldpage = WikiPage::factory( $this->oldTitle );
$oldcountable = $oldpage->isCountable();
$newpage = WikiPage::factory( $nt );
# Change the name of the target page:
$dbw->update( 'page',
/* SET */ [
'page_namespace' => $nt->getNamespace(),
'page_title' => $nt->getDBkey(),
],
/* WHERE */ [ 'page_id' => $oldid ],
__METHOD__
);
// Reset $nt before using it to create the null revision (T248789).
// But not $this->oldTitle yet, see below (T47348).
$nt->resetArticleID( $oldid );
$commentObj = CommentStoreComment::newUnsavedComment( $comment );
# Save a null revision in the page's history notifying of the move
$nullRevision = $this->revisionStore->newNullRevision(
$dbw,
$nt,
$commentObj,
true,
$user
);
if ( !is_object( $nullRevision ) ) {
throw new MWException( 'Failed to create null revision while moving page ID '
. $oldid . ' to ' . $nt->getPrefixedDBkey() );
}
$nullRevision = $this->revisionStore->insertRevisionOn( $nullRevision, $dbw );
$logEntry->setAssociatedRevId( $nullRevision->getId() );
/**
* T163966
* Increment user_editcount during page moves
* Moved from SpecialMovepage.php per T195550
*/
$user->incEditCount();
if ( !$redirectContent ) {
// Clean up the old title *before* reset article id - T47348
WikiPage::onArticleDelete( $this->oldTitle );
}
$this->oldTitle->resetArticleID( 0 ); // 0 == non existing
$newpage->loadPageData( WikiPage::READ_LOCKING ); // T48397
$newpage->updateRevisionOn( $dbw, $nullRevision );
$fakeTags = [];
$this->hookRunner->onRevisionFromEditComplete(
$newpage, $nullRevision, $nullRevision->getParentId(), $user, $fakeTags );
// Hook is hard deprecated since 1.35
if ( $this->hookContainer->isRegistered( 'NewRevisionFromEditComplete' ) ) {
// Only create the Revision object if needed
$nullRevisionObj = new Revision( $nullRevision );
$this->hookRunner->onNewRevisionFromEditComplete(
$newpage,
$nullRevisionObj,
$nullRevision->getParentId(),
$user,
$fakeTags
);
}
$newpage->doEditUpdates( $nullRevision, $user,
[ 'changed' => false, 'moved' => true, 'oldcountable' => $oldcountable ] );
WikiPage::onArticleCreate( $nt );
# Recreate the redirect, this time in the other direction.
if ( $redirectContent ) {
$redirectArticle = WikiPage::factory( $this->oldTitle );
$redirectArticle->loadFromRow( false, WikiPage::READ_LOCKING ); // T48397
$newid = $redirectArticle->insertOn( $dbw );
if ( $newid ) { // sanity
$this->oldTitle->resetArticleID( $newid );
$redirectRevisionRecord = new MutableRevisionRecord( $this->oldTitle );
$redirectRevisionRecord->setPageId( $newid );
$redirectRevisionRecord->setUser( $user );
$redirectRevisionRecord->setComment( $commentObj );
$redirectRevisionRecord->setContent( SlotRecord::MAIN, $redirectContent );
$redirectRevisionRecord->setTimestamp( MWTimestamp::now( TS_MW ) );
$inserted = $this->revisionStore->insertRevisionOn(
$redirectRevisionRecord,
$dbw
);
$redirectRevId = $inserted->getId();
$redirectArticle->updateRevisionOn( $dbw, $inserted, 0 );
$fakeTags = [];
$this->hookRunner->onRevisionFromEditComplete(
$redirectArticle,
$inserted,
false,
$user,
$fakeTags
);
// Hook is hard deprecated since 1.35
if ( $this->hookContainer->isRegistered( 'NewRevisionFromEditComplete' ) ) {
// Only create the Revision object if needed
$redirectRevisionObj = new Revision( $inserted );
$this->hookRunner->onNewRevisionFromEditComplete(
$redirectArticle,
$redirectRevisionObj,
false,
$user,
$fakeTags
);
}
$redirectArticle->doEditUpdates(
$inserted,
$user,
[ 'created' => true ]
);
// make a copy because of log entry below
$redirectTags = $changeTags;
if ( in_array( 'mw-new-redirect', ChangeTags::getSoftwareTags() ) ) {
$redirectTags[] = 'mw-new-redirect';
}
ChangeTags::addTags( $redirectTags, null, $redirectRevId, null );
}
}
# Log the move
$logid = $logEntry->insert();
$logEntry->addTags( $changeTags );
$logEntry->publish( $logid );
return $nullRevision;
}
}