*/
use \MediaWiki\Logger\LoggerFactory;
+use \MediaWiki\MediaWikiServices;
/**
* Class representing a MediaWiki article and history.
*/
protected $mLinksUpdated = '19700101000000';
+ const PURGE_CDN_CACHE = 1; // purge CDN cache for page variant URLs
+ const PURGE_CLUSTER_PCACHE = 2; // purge parser cache in the local datacenter
+ const PURGE_GLOBAL_PCACHE = 4; // set page_touched to clear parser cache in all datacenters
+ const PURGE_ALL = 7;
+
/**
* Constructor and clear the article
* @param Title $title Reference to a Title object.
*
* @param int $id Article ID to load
* @param string|int $from One of the following values:
- * - "fromdb" or WikiPage::READ_NORMAL to select from a slave database
+ * - "fromdb" or WikiPage::READ_NORMAL to select from a replica DB
* - "fromdbmaster" or WikiPage::READ_LATEST to select from the master database
*
* @return WikiPage|null
}
$from = self::convertSelectType( $from );
- $db = wfGetDB( $from === self::READ_LATEST ? DB_MASTER : DB_SLAVE );
+ $db = wfGetDB( $from === self::READ_LATEST ? DB_MASTER : DB_REPLICA );
$row = $db->selectRow(
'page', self::selectFields(), [ 'page_id' => $id ], __METHOD__ );
if ( !$row ) {
* @since 1.20
* @param object $row Database row containing at least fields returned by selectFields().
* @param string|int $from Source of $data:
- * - "fromdb" or WikiPage::READ_NORMAL: from a slave DB
+ * - "fromdb" or WikiPage::READ_NORMAL: from a replica DB
* - "fromdbmaster" or WikiPage::READ_LATEST: from the master DB
* - "forupdate" or WikiPage::READ_LOCKING: from the master DB using SELECT FOR UPDATE
* @return WikiPage
*
* @param object|string|int $from One of the following:
* - A DB query result object.
- * - "fromdb" or WikiPage::READ_NORMAL to get from a slave DB.
+ * - "fromdb" or WikiPage::READ_NORMAL to get from a replica DB.
* - "fromdbmaster" or WikiPage::READ_LATEST to get from the master DB.
* - "forupdate" or WikiPage::READ_LOCKING to get from the master DB
* using SELECT FOR UPDATE.
$data = $this->pageDataFromTitle( wfGetDB( $index ), $this->mTitle, $opts );
if ( !$data
- && $index == DB_SLAVE
+ && $index == DB_REPLICA
&& wfGetLB()->getServerCount() > 1
&& wfGetLB()->hasOrMadeRecentMasterChanges()
) {
$data = $this->pageDataFromTitle( wfGetDB( $index ), $this->mTitle, $opts );
}
} else {
- // No idea from where the caller got this data, assume slave database.
+ // No idea from where the caller got this data, assume replica DB.
$data = $from;
$from = self::READ_NORMAL;
}
* @since 1.20
* @param object|bool $data DB row containing fields returned by selectFields() or false
* @param string|int $from One of the following:
- * - "fromdb" or WikiPage::READ_NORMAL if the data comes from a slave DB
+ * - "fromdb" or WikiPage::READ_NORMAL if the data comes from a replica DB
* - "fromdbmaster" or WikiPage::READ_LATEST if the data comes from the master DB
* - "forupdate" or WikiPage::READ_LOCKING if the data comes from
* the master DB using SELECT FOR UPDATE
* @return bool
*/
public function hasViewableContent() {
- return $this->exists() || $this->mTitle->isAlwaysKnown();
+ return $this->mTitle->isKnown();
}
/**
*/
public function getOldestRevision() {
- // Try using the slave database first, then try the master
+ // Try using the replica DB first, then try the master
$continue = 2;
- $db = wfGetDB( DB_SLAVE );
+ $db = wfGetDB( DB_REPLICA );
$revSelectFields = Revision::selectFields();
$row = null;
$flags = Revision::READ_LOCKING;
} elseif ( $this->mDataLoadedFrom == self::READ_LATEST ) {
// Bug T93976: if page_latest was loaded from the master, fetch the
- // revision from there as well, as it may not exist yet on a slave DB.
+ // revision from there as well, as it may not exist yet on a replica DB.
// Also, this keeps the queries in the same REPEATABLE-READ snapshot.
$flags = Revision::READ_LATEST;
} else {
// links.
$hasLinks = (bool)count( $editInfo->output->getLinks() );
} else {
- $hasLinks = (bool)wfGetDB( DB_SLAVE )->selectField( 'pagelinks', 1,
+ $hasLinks = (bool)wfGetDB( DB_REPLICA )->selectField( 'pagelinks', 1,
[ 'pl_from' => $this->getId() ], __METHOD__ );
}
}
}
// Query the redirect table
- $dbr = wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_REPLICA );
$row = $dbr->selectRow( 'redirect',
[ 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
[ 'rd_from' => $this->getId() ],
public function getContributors() {
// @todo FIXME: This is expensive; cache this info somewhere.
- $dbr = wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_REPLICA );
if ( $dbr->implicitGroupby() ) {
$realNameField = 'user_real_name';
/**
* Perform the actions of a page purging
+ * @param integer $flags Bitfield of WikiPage::PURGE_* constants
* @return bool
*/
- public function doPurge() {
+ public function doPurge( $flags = self::PURGE_ALL ) {
if ( !Hooks::run( 'ArticlePurge', [ &$this ] ) ) {
return false;
}
- $this->mTitle->invalidateCache();
- // Send purge after above page_touched update was committed
- DeferredUpdates::addUpdate(
- new CdnCacheUpdate( $this->mTitle->getCdnUrls() ),
- DeferredUpdates::PRESEND
- );
+ if ( ( $flags & self::PURGE_GLOBAL_PCACHE ) == self::PURGE_GLOBAL_PCACHE ) {
+ // Set page_touched in the database to invalidate all DC caches
+ $this->mTitle->invalidateCache();
+ } elseif ( ( $flags & self::PURGE_CLUSTER_PCACHE ) == self::PURGE_CLUSTER_PCACHE ) {
+ // Delete the parser options key in the local cluster to invalidate the DC cache
+ ParserCache::singleton()->deleteOptionsKey( $this );
+ // Avoid sending HTTP 304s in ViewAction to the client who just issued the purge
+ $cache = ObjectCache::getLocalClusterInstance();
+ $cache->set(
+ $cache->makeKey( 'page', 'last-dc-purge', $this->getId() ),
+ wfTimestamp( TS_MW ),
+ $cache::TTL_HOUR
+ );
+ }
+
+ if ( ( $flags & self::PURGE_CDN_CACHE ) == self::PURGE_CDN_CACHE ) {
+ // Clear any HTML file cache
+ HTMLFileCache::clearFileCache( $this->getTitle() );
+ // Send purge after any page_touched above update was committed
+ DeferredUpdates::addUpdate(
+ new CdnCacheUpdate( $this->mTitle->getCdnUrls() ),
+ DeferredUpdates::PRESEND
+ );
+ }
if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
// @todo move this logic to MessageCache
return true;
}
+ /**
+ * Get the last time a user explicitly purged the page via action=purge
+ *
+ * @return string|bool TS_MW timestamp or false
+ * @since 1.28
+ */
+ public function getLastPurgeTimestamp() {
+ $cache = ObjectCache::getLocalClusterInstance();
+
+ return $cache->get( $cache->makeKey( 'page', 'last-dc-purge', $this->getId() ) );
+ }
+
/**
* Insert a new empty page record for this article.
* This *must* be followed up by creating a revision
$baseRevId = null;
if ( $edittime && $sectionId !== 'new' ) {
- $dbr = wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_REPLICA );
$rev = Revision::loadFromTimestamp( $dbr, $this->mTitle, $edittime );
// Try the master if this thread may have just added it.
// This could be abstracted into a Revision method, but we don't want
*/
public function doEditContent(
Content $content, $summary, $flags = 0, $baseRevId = false,
- User $user = null, $serialFormat = null, $tags = null
+ User $user = null, $serialFormat = null, $tags = []
) {
global $wgUser, $wgUseAutomaticEditSummaries;
+ // Old default parameter for $tags was null
+ if ( $tags === null ) {
+ $tags = [];
+ }
+
// Low-level sanity check
if ( $this->mTitle->getText() === '' ) {
throw new MWException( 'Something is trying to edit an article with an empty title' );
$old_revision = $this->getRevision(); // current revision
$old_content = $this->getContent( Revision::RAW ); // current revision's content
+ if ( $old_content && $old_content->getModel() !== $content->getModel() ) {
+ $tags[] = 'mw-contentmodelchange';
+ }
+
// Provide autosummaries if one is not provided and autosummaries are enabled
if ( $wgUseAutomaticEditSummaries && ( $flags & EDIT_AUTOSUMMARY ) && $summary == '' ) {
$handler = $content->getContentHandler();
// We get here if vary-revision is set. This means that this page references
// itself (such as via self-transclusion). In this case, we need to make sure
// that any such self-references refer to the newly-saved revision, and not
- // to the previous one, which could otherwise happen due to slave lag.
+ // to the previous one, which could otherwise happen due to replica DB lag.
$oldCallback = $edit->popts->getCurrentRevisionCallback();
$edit->popts->setCurrentRevisionCallback(
function ( Title $title, $parser = false ) use ( $revision, &$oldCallback ) {
$protectDescription = '';
foreach ( array_filter( $limit ) as $action => $restrictions ) {
- # $action is one of $wgRestrictionTypes = array( 'create', 'edit', 'move', 'upload' ).
+ # $action is one of $wgRestrictionTypes = [ 'create', 'edit', 'move', 'upload' ].
# All possible message keys are listed here for easier grepping:
# * restriction-create
# * restriction-edit
# * restriction-move
# * restriction-upload
$actionText = wfMessage( 'restriction-' . $action )->inContentLanguage()->text();
- # $restrictions is one of $wgRestrictionLevels = array( '', 'autoconfirmed', 'sysop' ),
+ # $restrictions is one of $wgRestrictionLevels = [ '', 'autoconfirmed', 'sysop' ],
# with '' filtered out. All possible message keys are listed below:
# * protect-level-autoconfirmed
# * protect-level-sysop
$bitfield |= Revision::DELETED_COMMENT;
$bitfield |= Revision::DELETED_USER;
$bitfield |= Revision::DELETED_RESTRICTED;
+ $deletionFields = [ $dbw->addQuotes( $bitfield ) . ' AS deleted' ];
} else {
- $bitfield = 'rev_deleted';
+ $deletionFields = [ 'rev_deleted AS deleted' ];
}
// For now, shunt the revision data into the archive table.
// the rev_deleted field, which is reserved for this purpose.
// Get all of the page revisions
+ $fields = array_diff( Revision::selectFields(), [ 'rev_deleted' ] );
$res = $dbw->select(
'revision',
- Revision::selectFields(),
+ array_merge( $fields, $deletionFields ),
[ 'rev_page' => $id ],
__METHOD__,
'FOR UPDATE'
'ar_flags' => '',
'ar_len' => $row->rev_len,
'ar_page_id' => $id,
- 'ar_deleted' => $bitfield,
+ 'ar_deleted' => $row->deleted,
'ar_sha1' => $row->rev_sha1,
];
if ( $wgContentHandlerUseDB ) {
$flags |= EDIT_FORCE_BOT;
}
+ $targetContent = $target->getContent();
+ $changingContentModel = $targetContent->getModel() !== $current->getContentModel();
+
// Actually store the edit
$status = $this->doEditContent(
- $target->getContent(),
+ $targetContent,
$summary,
$flags,
$target->getId(),
] ];
}
+ if ( $changingContentModel ) {
+ // If the content model changed during the rollback,
+ // make sure it gets logged to Special:Log/contentmodel
+ $log = new ManualLogEntry( 'contentmodel', 'change' );
+ $log->setPerformer( $guser );
+ $log->setTarget( $this->mTitle );
+ $log->setComment( $summary );
+ $log->setParameters( [
+ '4::oldmodel' => $current->getContentModel(),
+ '5::newmodel' => $targetContent->getModel(),
+ ] );
+
+ $logId = $log->insert( $dbw );
+ $log->publish( $logId );
+ }
+
$revId = $statusRev->getId();
Hooks::run( 'ArticleRollbackComplete', [ $this, $guser, $target, $current ] );
$title->purgeSquid();
$title->deleteTitleProtection();
+ MediaWikiServices::getInstance()->getLinkCache()->invalidateTitle( $title );
+
if ( $title->getNamespace() == NS_CATEGORY ) {
// Load the Category object, which will schedule a job to create
- // the category table row if necessary. Checking a slave is ok
+ // the category table row if necessary. Checking a replica DB is ok
// here, in the worst case it'll run an unnecessary recount job on
// a category that probably doesn't have many members.
Category::newFromTitle( $title )->getID();
$title->touchLinks();
$title->purgeSquid();
+ MediaWikiServices::getInstance()->getLinkCache()->invalidateTitle( $title );
+
// File cache
HTMLFileCache::clearFileCache( $title );
InfoAction::invalidateCache( $title );
// Invalidate the caches of all pages which redirect here
DeferredUpdates::addUpdate( new HTMLCacheUpdate( $title, 'redirect' ) );
+ MediaWikiServices::getInstance()->getLinkCache()->invalidateTitle( $title );
+
// Purge CDN for this page only
$title->purgeSquid();
// Clear file cache for this page only
return TitleArray::newFromResult( new FakeResultWrapper( [] ) );
}
- $dbr = wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_REPLICA );
$res = $dbr->select( 'categorylinks',
[ 'cl_to AS page_title, ' . NS_CATEGORY . ' AS page_namespace' ],
// Have to do that since DatabaseBase::fieldNamesWithAlias treats numeric indexes
return [];
}
- $dbr = wfGetDB( DB_SLAVE );
+ $dbr = wfGetDB( DB_REPLICA );
$res = $dbr->select( [ 'categorylinks', 'page_props', 'page' ],
[ 'cl_to' ],
[ 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
Hooks::run( 'WikiPageDeletionUpdates', [ $this, $content, &$updates ] );
return $updates;
}
+
+ /**
+ * Whether this content displayed on this page
+ * comes from the local database
+ *
+ * @since 1.28
+ * @return bool
+ */
+ public function isLocal() {
+ return true;
+ }
}
dépôts / lhc / web / wiklou.git / blobdiff