/**
* Run a refreshLinks job
* @return boolean success
*/
function run()
{
global $wgParser;
wfProfileIn(__METHOD__);
$linkCache =& LinkCache::singleton();
$linkCache->clear();
if (is_null($this->title)) {
$this->error = "refreshLinks: Invalid title";
wfProfileOut(__METHOD__);
return false;
}
$revision = Revision::newFromTitle($this->title);
if (!$revision) {
$this->error = 'refreshLinks: Article not found "' . $this->title->getPrefixedDBkey() . '"';
wfProfileOut(__METHOD__);
return false;
}
wfProfileIn(__METHOD__ . '-parse');
$options = new ParserOptions();
$parserOutput = $wgParser->parse($revision->getText(), $this->title, $options, true, true, $revision->getId());
wfProfileOut(__METHOD__ . '-parse');
wfProfileIn(__METHOD__ . '-update');
$update = new LinksUpdate($this->title, $parserOutput, false);
$update->doUpdate();
wfProfileOut(__METHOD__ . '-update');
wfProfileOut(__METHOD__);
return true;
}
/**
* @depends testUpdateToSetPredefinedAnnotations
*/
public function testDoUpdateUsingUserdefinedAnnotations()
{
$this->pageCreator->createPage($this->title)->doEdit('[[HasFirstLinksUpdatetest::testDoUpdate]] [[HasSecondLinksUpdatetest::testDoUpdate]]');
$parserData = $this->applicationFactory->newParserData($this->title, $this->pageCreator->getEditInfo()->output);
$contentParser = $this->applicationFactory->newContentParser($this->title);
$contentParser->parse();
$parsedParserData = $this->applicationFactory->newParserData($this->title, $contentParser->getOutput());
$this->assertCount(4, $parserData->getSemanticData()->getProperties());
$this->assertCount(4, $this->getStore()->getSemanticData(DIWikiPage::newFromTitle($this->title))->getProperties());
/**
* See #347 and LinksUpdateConstructed
*/
$linksUpdate = new \LinksUpdate($this->title, new \ParserOutput());
$linksUpdate->doUpdate();
$this->testEnvironment->executePendingDeferredUpdates();
/**
* Asserts that before and after the update, the SemanticData container
* holds the same amount of properties despite the fact that the ParserOutput
* was invoked empty
*/
$semanticData = $this->getStore()->getSemanticData(DIWikiPage::newFromTitle($this->title));
$this->assertCount(4, $semanticData->getProperties());
$expected = array('propertyKeys' => array('_SKEY', '_MDAT', 'HasFirstLinksUpdatetest', 'HasSecondLinksUpdatetest'));
$this->semanticDataValidator->assertThatPropertiesAreSet($expected, $semanticData);
return $this->pageCreator->getPage()->getRevision();
}
/**
* Call LinksUpdate on the text of this page's approved revision,
* if there is one.
*/
public static function updateLinksAfterEdit(&$page, &$editInfo, $changed)
{
$title = $page->getTitle();
if (!ApprovedRevs::pageIsApprovable($title)) {
return true;
}
// If this user's revisions get approved automatically,
// exit now, because this will be the approved
// revision anyway.
if (self::userRevsApprovedAutomatically($title)) {
return true;
}
$text = '';
$approvedText = ApprovedRevs::getApprovedContent($title);
if (!is_null($approvedText)) {
$text = $approvedText;
}
// If there's no approved revision, and 'blank if
// unapproved' is set to true, set the text to blank.
if (is_null($approvedText)) {
global $egApprovedRevsBlankIfUnapproved;
if ($egApprovedRevsBlankIfUnapproved) {
$text = '';
} else {
// If it's an unapproved page and there's no
// page blanking, exit here.
return true;
}
}
$editInfo = $page->prepareTextForEdit($text);
$u = new LinksUpdate($page->mTitle, $editInfo->output);
$u->doUpdate();
return true;
}
function fixLinksFromArticle( $id ) {
global $wgTitle, $wgParser;
$wgTitle = Title::newFromID( $id );
$dbw = wfGetDB( DB_MASTER );
$linkCache =& LinkCache::singleton();
$linkCache->clear();
if ( is_null( $wgTitle ) ) {
return;
}
$dbw->begin();
$revision = Revision::newFromTitle( $wgTitle );
if ( !$revision ) {
return;
}
$options = new ParserOptions;
$parserOutput = $wgParser->parse( $revision->getText(), $wgTitle, $options, true, true, $revision->getId() );
$update = new LinksUpdate( $wgTitle, $parserOutput, false );
$update->doUpdate();
$dbw->commit();
}
/**
* Invalidates the cache for a campaign when any of its dependents are edited. The 'dependents'
* are tracked by entries in the templatelinks table, which are inserted by using the
* PageContentSaveComplete hook.
*
* This is usually run via the Job Queue mechanism.
*/
public static function onLinksUpdateComplete(LinksUpdate &$linksupdate)
{
if (!$linksupdate->getTitle()->inNamespace(NS_CAMPAIGN)) {
return true;
}
$campaign = new UploadWizardCampaign($linksupdate->getTitle());
$campaign->invalidateCache();
return true;
}
/**
* Purges the cache of a page
*/
public function execute()
{
global $wgUser;
$params = $this->extractRequestParams();
if (!$wgUser->isAllowed('purge') && !$this->getMain()->isInternalMode() && !$this->getMain()->getRequest()->wasPosted()) {
$this->dieUsageMsg(array('mustbeposted', $this->getModuleName()));
}
$forceLinkUpdate = $params['forcelinkupdate'];
$result = array();
foreach ($params['titles'] as $t) {
$r = array();
$title = Title::newFromText($t);
if (!$title instanceof Title) {
$r['title'] = $t;
$r['invalid'] = '';
$result[] = $r;
continue;
}
ApiQueryBase::addTitleInfo($r, $title);
if (!$title->exists()) {
$r['missing'] = '';
$result[] = $r;
continue;
}
$context = $this->createContext();
$context->setTitle($title);
$article = Article::newFromTitle($title, $context);
$article->doPurge();
// Directly purge and skip the UI part of purge().
$r['purged'] = '';
if ($forceLinkUpdate) {
if (!$wgUser->pingLimiter()) {
global $wgParser, $wgEnableParserCache;
$popts = new ParserOptions();
$p_result = $wgParser->parse($article->getContent(), $title, $popts);
# Update the links tables
$u = new LinksUpdate($title, $p_result);
$u->doUpdate();
$r['linkupdate'] = '';
if ($wgEnableParserCache) {
$pcache = ParserCache::singleton();
$pcache->save($p_result, $article, $popts);
}
} else {
$this->setWarning($this->parseMsg(array('actionthrottledtext')));
$forceLinkUpdate = false;
}
}
$result[] = $r;
}
$apiResult = $this->getResult();
$apiResult->setIndexedTagName($result, 'page');
$apiResult->addValue(null, $this->getModuleName(), $result);
}
/**
* LinksUpdate hook handler
* @see https://www.mediawiki.org/wiki/Manual:Hooks/LinksUpdate
* @param LinksUpdate $linksUpdate
*/
public static function onLinksUpdate(&$linksUpdate)
{
global $wgUseDumbLinkUpdate;
$out = $linksUpdate->getParserOutput();
$data = array();
if (isset($out->geoData)) {
$geoData = $out->geoData;
$data = $geoData->getAll();
}
if ($wgUseDumbLinkUpdate || !count($data)) {
self::doDumbUpdate($data, $linksUpdate->mId);
} else {
self::doSmartUpdate($data, $linksUpdate->mId);
}
return true;
}
/**
* @param LinksUpdate $linksUpdate
* @return bool return true to continue hooks flow
*/
public static function onLinksUpdateComplete($linksUpdate)
{
wfProfileIn(__METHOD__);
$images = $linksUpdate->getImages();
$articleId = $linksUpdate->getTitle()->getArticleID();
if (count($images) === 1) {
$images = array_keys($images);
self::buildIndex($articleId, $images);
wfProfileOut(__METHOD__);
return true;
}
$article = new Article($linksUpdate->getTitle());
self::buildAndGetIndex($article);
wfProfileOut(__METHOD__);
return true;
}
/**
* Insert assessment records after page is saved
* @param LinksUpdate $linksUpdate
*/
public static function onLinksUpdateComplete(&$linksUpdate)
{
$pOut = $linksUpdate->getParserOutput();
if ($pOut->getExtensionData('ext-pageassessment-assessmentdata') !== null) {
$assessmentData = $pOut->getExtensionData('ext-pageassessment-assessmentdata');
} else {
// Even if there is no assessment data, we still need to run doUpdates
// in case any assessment data was deleted from the page.
$assessmentData = [];
}
$title = $linksUpdate->getTitle();
// In most cases $title will be a talk page, but we want to associate the
// assessment data with the subject page.
$subjectTitle = $title->getSubjectPage();
PageAssessmentsBody::doUpdates($subjectTitle, $assessmentData);
}
public function doUpdate()
{
$services = MediaWikiServices::getInstance();
$config = $services->getMainConfig();
$lbFactory = $services->getDBLoadBalancerFactory();
$batchSize = $config->get('UpdateRowsPerQuery');
// Page may already be deleted, so don't just getId()
$id = $this->pageId;
if ($this->ticket) {
// Make sure all links update threads see the changes of each other.
// This handles the case when updates have to batched into several COMMITs.
$scopedLock = LinksUpdate::acquirePageLock($this->getDB(), $id);
}
$title = $this->page->getTitle();
$dbw = $this->getDB();
// convenience
// Delete restrictions for it
$dbw->delete('page_restrictions', ['pr_page' => $id], __METHOD__);
// Fix category table counts
$cats = $dbw->selectFieldValues('categorylinks', 'cl_to', ['cl_from' => $id], __METHOD__);
$catBatches = array_chunk($cats, $batchSize);
foreach ($catBatches as $catBatch) {
$this->page->updateCategoryCounts([], $catBatch, $id);
if (count($catBatches) > 1) {
$lbFactory->commitAndWaitForReplication(__METHOD__, $this->ticket, ['wiki' => $dbw->getWikiID()]);
}
}
// Refresh the category table entry if it seems to have no pages. Check
// master for the most up-to-date cat_pages count.
if ($title->getNamespace() === NS_CATEGORY) {
$row = $dbw->selectRow('category', ['cat_id', 'cat_title', 'cat_pages', 'cat_subcats', 'cat_files'], ['cat_title' => $title->getDBkey(), 'cat_pages <= 0'], __METHOD__);
if ($row) {
Category::newFromRow($row, $title)->refreshCounts();
}
}
$this->batchDeleteByPK('pagelinks', ['pl_from' => $id], ['pl_from', 'pl_namespace', 'pl_title'], $batchSize);
$this->batchDeleteByPK('imagelinks', ['il_from' => $id], ['il_from', 'il_to'], $batchSize);
$this->batchDeleteByPK('categorylinks', ['cl_from' => $id], ['cl_from', 'cl_to'], $batchSize);
$this->batchDeleteByPK('templatelinks', ['tl_from' => $id], ['tl_from', 'tl_namespace', 'tl_title'], $batchSize);
$this->batchDeleteByPK('externallinks', ['el_from' => $id], ['el_id'], $batchSize);
$this->batchDeleteByPK('langlinks', ['ll_from' => $id], ['ll_from', 'll_lang'], $batchSize);
$this->batchDeleteByPK('iwlinks', ['iwl_from' => $id], ['iwl_from', 'iwl_prefix', 'iwl_title'], $batchSize);
// Delete any redirect entry or page props entries
$dbw->delete('redirect', ['rd_from' => $id], __METHOD__);
$dbw->delete('page_props', ['pp_page' => $id], __METHOD__);
// Find recentchanges entries to clean up...
$rcIdsForTitle = $dbw->selectFieldValues('recentchanges', 'rc_id', ['rc_type != ' . RC_LOG, 'rc_namespace' => $title->getNamespace(), 'rc_title' => $title->getDBkey(), 'rc_timestamp < ' . $dbw->addQuotes($dbw->timestamp($this->timestamp))], __METHOD__);
$rcIdsForPage = $dbw->selectFieldValues('recentchanges', 'rc_id', ['rc_type != ' . RC_LOG, 'rc_cur_id' => $id], __METHOD__);
// T98706: delete by PK to avoid lock contention with RC delete log insertions
$rcIdBatches = array_chunk(array_merge($rcIdsForTitle, $rcIdsForPage), $batchSize);
foreach ($rcIdBatches as $rcIdBatch) {
$dbw->delete('recentchanges', ['rc_id' => $rcIdBatch], __METHOD__);
if (count($rcIdBatches) > 1) {
$lbFactory->commitAndWaitForReplication(__METHOD__, $this->ticket, ['wiki' => $dbw->getWikiID()]);
}
}
// Commit and release the lock (if set)
ScopedCallback::consume($scopedLock);
}
/**
* LinksUpdate hook handler - saves a count of h2 elements that occur in the WikiPage
* @see https://www.mediawiki.org/wiki/Manual:Hooks/LinksUpdate
*
* @param LinksUpdate $lu
* @return bool
*/
public static function onLinksUpdate(LinksUpdate $lu)
{
if ($lu->getTitle()->isTalkPage()) {
$parserOutput = $lu->getParserOutput();
$sections = $parserOutput->getSections();
$numTopics = 0;
foreach ($sections as $section) {
if ($section['toclevel'] == 1) {
$numTopics += 1;
}
}
if ($numTopics) {
$lu->mProperties['page_top_level_section_count'] = $numTopics;
}
}
return true;
}
public function doUpdate()
{
# Page may already be deleted, so don't just getId()
$id = $this->pageId;
// Make sure all links update threads see the changes of each other.
// This handles the case when updates have to batched into several COMMITs.
$scopedLock = LinksUpdate::acquirePageLock($this->mDb, $id);
# Delete restrictions for it
$this->mDb->delete('page_restrictions', ['pr_page' => $id], __METHOD__);
# Fix category table counts
$cats = $this->mDb->selectFieldValues('categorylinks', 'cl_to', ['cl_from' => $id], __METHOD__);
$this->page->updateCategoryCounts([], $cats);
# If using cascading deletes, we can skip some explicit deletes
if (!$this->mDb->cascadingDeletes()) {
# Delete outgoing links
$this->mDb->delete('pagelinks', ['pl_from' => $id], __METHOD__);
$this->mDb->delete('imagelinks', ['il_from' => $id], __METHOD__);
$this->mDb->delete('categorylinks', ['cl_from' => $id], __METHOD__);
$this->mDb->delete('templatelinks', ['tl_from' => $id], __METHOD__);
$this->mDb->delete('externallinks', ['el_from' => $id], __METHOD__);
$this->mDb->delete('langlinks', ['ll_from' => $id], __METHOD__);
$this->mDb->delete('iwlinks', ['iwl_from' => $id], __METHOD__);
$this->mDb->delete('redirect', ['rd_from' => $id], __METHOD__);
$this->mDb->delete('page_props', ['pp_page' => $id], __METHOD__);
}
# If using cleanup triggers, we can skip some manual deletes
if (!$this->mDb->cleanupTriggers()) {
$title = $this->page->getTitle();
# Find recentchanges entries to clean up...
$rcIdsForTitle = $this->mDb->selectFieldValues('recentchanges', 'rc_id', ['rc_type != ' . RC_LOG, 'rc_namespace' => $title->getNamespace(), 'rc_title' => $title->getDBkey()], __METHOD__);
$rcIdsForPage = $this->mDb->selectFieldValues('recentchanges', 'rc_id', ['rc_type != ' . RC_LOG, 'rc_cur_id' => $id], __METHOD__);
# T98706: delete PK to avoid lock contention with RC delete log insertions
$rcIds = array_merge($rcIdsForTitle, $rcIdsForPage);
if ($rcIds) {
$this->mDb->delete('recentchanges', ['rc_id' => $rcIds], __METHOD__);
}
}
$this->mDb->onTransactionIdle(function () use(&$scopedLock) {
// Release the lock *after* the final COMMIT for correctness
ScopedCallback::consume($scopedLock);
});
}
function run()
{
if (is_null($this->title)) {
$this->setLastError("deleteLinks: Invalid title");
return false;
}
$pageId = $this->params['pageId'];
// Serialize links updates by page ID so they see each others' changes
$scopedLock = LinksUpdate::acquirePageLock(wfGetDB(DB_MASTER), $pageId, 'job');
if (WikiPage::newFromID($pageId, WikiPage::READ_LATEST)) {
// The page was restored somehow or something went wrong
$this->setLastError("deleteLinks: Page #{$pageId} exists");
return false;
}
$factory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
$timestamp = isset($this->params['timestamp']) ? $this->params['timestamp'] : null;
$page = WikiPage::factory($this->title);
// title when deleted
$update = new LinksDeletionUpdate($page, $pageId, $timestamp);
$update->setTransactionTicket($factory->getEmptyTransactionTicket(__METHOD__));
$update->doUpdate();
return true;
}
protected function assertLinksUpdate(Title $title, ParserOutput $parserOutput, $table, $fields, $condition, array $expectedRows)
{
$update = new LinksUpdate($title, $parserOutput);
// NOTE: make sure LinksUpdate does not generate warnings when called inside a transaction.
$update->beginTransaction();
$update->doUpdate();
$update->commitTransaction();
$this->assertSelect($table, $fields, $condition, $expectedRows);
return $update;
}
/**
* Record a file upload in the upload log and the image table
* @param string $oldver
* @param string $comment
* @param string $pageText
* @param bool|array $props
* @param string|bool $timestamp
* @param null|User $user
* @return bool
*/
function recordUpload2($oldver, $comment, $pageText, $props = false, $timestamp = false, $user = null)
{
wfProfileIn(__METHOD__);
if (is_null($user)) {
global $wgUser;
$user = $wgUser;
}
$dbw = $this->repo->getMasterDB();
$dbw->begin(__METHOD__);
if (!$props) {
wfProfileIn(__METHOD__ . '-getProps');
$props = $this->repo->getFileProps($this->getVirtualUrl());
wfProfileOut(__METHOD__ . '-getProps');
}
if ($timestamp === false) {
$timestamp = $dbw->timestamp();
}
$props['description'] = $comment;
$props['user'] = $user->getId();
$props['user_text'] = $user->getName();
$props['timestamp'] = wfTimestamp(TS_MW, $timestamp);
// DB -> TS_MW
$this->setProps($props);
# Fail now if the file isn't there
if (!$this->fileExists) {
wfDebug(__METHOD__ . ": File " . $this->getRel() . " went missing!\n");
wfProfileOut(__METHOD__);
return false;
}
$reupload = false;
# Test to see if the row exists using INSERT IGNORE
# This avoids race conditions by locking the row until the commit, and also
# doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition.
$dbw->insert('image', array('img_name' => $this->getName(), 'img_size' => $this->size, 'img_width' => intval($this->width), 'img_height' => intval($this->height), 'img_bits' => $this->bits, 'img_media_type' => $this->media_type, 'img_major_mime' => $this->major_mime, 'img_minor_mime' => $this->minor_mime, 'img_timestamp' => $timestamp, 'img_description' => $comment, 'img_user' => $user->getId(), 'img_user_text' => $user->getName(), 'img_metadata' => $dbw->encodeBlob($this->metadata), 'img_sha1' => $this->sha1), __METHOD__, 'IGNORE');
if ($dbw->affectedRows() == 0) {
# (bug 34993) Note: $oldver can be empty here, if the previous
# version of the file was broken. Allow registration of the new
# version to continue anyway, because that's better than having
# an image that's not fixable by user operations.
$reupload = true;
# Collision, this is an update of a file
# Insert previous contents into oldimage
$dbw->insertSelect('oldimage', 'image', array('oi_name' => 'img_name', 'oi_archive_name' => $dbw->addQuotes($oldver), 'oi_size' => 'img_size', 'oi_width' => 'img_width', 'oi_height' => 'img_height', 'oi_bits' => 'img_bits', 'oi_timestamp' => 'img_timestamp', 'oi_description' => 'img_description', 'oi_user' => 'img_user', 'oi_user_text' => 'img_user_text', 'oi_metadata' => 'img_metadata', 'oi_media_type' => 'img_media_type', 'oi_major_mime' => 'img_major_mime', 'oi_minor_mime' => 'img_minor_mime', 'oi_sha1' => 'img_sha1'), array('img_name' => $this->getName()), __METHOD__);
# Update the current image row
$dbw->update('image', array('img_size' => $this->size, 'img_width' => intval($this->width), 'img_height' => intval($this->height), 'img_bits' => $this->bits, 'img_media_type' => $this->media_type, 'img_major_mime' => $this->major_mime, 'img_minor_mime' => $this->minor_mime, 'img_timestamp' => $timestamp, 'img_description' => $comment, 'img_user' => $user->getId(), 'img_user_text' => $user->getName(), 'img_metadata' => $dbw->encodeBlob($this->metadata), 'img_sha1' => $this->sha1), array('img_name' => $this->getName()), __METHOD__);
} else {
# This is a new file, so update the image count
DeferredUpdates::addUpdate(SiteStatsUpdate::factory(array('images' => 1)));
}
$descTitle = $this->getTitle();
$wikiPage = new WikiFilePage($descTitle);
$wikiPage->setFile($this);
# Add the log entry
$action = $reupload ? 'overwrite' : 'upload';
$logEntry = new ManualLogEntry('upload', $action);
$logEntry->setPerformer($user);
$logEntry->setComment($comment);
$logEntry->setTarget($descTitle);
// Allow people using the api to associate log entries with the upload.
// Log has a timestamp, but sometimes different from upload timestamp.
$logEntry->setParameters(array('img_sha1' => $this->sha1, 'img_timestamp' => $timestamp));
// Note we keep $logId around since during new image
// creation, page doesn't exist yet, so log_page = 0
// but we want it to point to the page we're making,
// so we later modify the log entry.
// For a similar reason, we avoid making an RC entry
// now and wait until the page exists.
$logId = $logEntry->insert();
$exists = $descTitle->exists();
if ($exists) {
// Page exists, do RC entry now (otherwise we wait for later).
$logEntry->publish($logId);
}
wfProfileIn(__METHOD__ . '-edit');
if ($exists) {
# Create a null revision
$latest = $descTitle->getLatestRevID();
$editSummary = LogFormatter::newFromEntry($logEntry)->getPlainActionText();
$nullRevision = Revision::newNullRevision($dbw, $descTitle->getArticleID(), $editSummary, false);
if (!is_null($nullRevision)) {
$nullRevision->insertOn($dbw);
wfRunHooks('NewRevisionFromEditComplete', array($wikiPage, $nullRevision, $latest, $user));
$wikiPage->updateRevisionOn($dbw, $nullRevision);
}
}
# Commit the transaction now, in case something goes wrong later
# The most important thing is that files don't get lost, especially archives
# NOTE: once we have support for nested transactions, the commit may be moved
# to after $wikiPage->doEdit has been called.
$dbw->commit(__METHOD__);
# Save to memcache.
# We shall not saveToCache before the commit since otherwise
# in case of a rollback there is an usable file from memcached
# which in fact doesn't really exist (bug 24978)
$this->saveToCache();
if ($exists) {
# Invalidate the cache for the description page
$descTitle->invalidateCache();
$descTitle->purgeSquid();
} else {
# New file; create the description page.
# There's already a log entry, so don't make a second RC entry
# Squid and file cache for the description page are purged by doEditContent.
$content = ContentHandler::makeContent($pageText, $descTitle);
$status = $wikiPage->doEditContent($content, $comment, EDIT_NEW | EDIT_SUPPRESS_RC, false, $user);
$dbw->begin(__METHOD__);
// XXX; doEdit() uses a transaction
// Now that the page exists, make an RC entry.
$logEntry->publish($logId);
if (isset($status->value['revision'])) {
$dbw->update('logging', array('log_page' => $status->value['revision']->getPage()), array('log_id' => $logId), __METHOD__);
}
$dbw->commit(__METHOD__);
// commit before anything bad can happen
}
wfProfileOut(__METHOD__ . '-edit');
if ($reupload) {
# Delete old thumbnails
wfProfileIn(__METHOD__ . '-purge');
$this->purgeThumbnails();
wfProfileOut(__METHOD__ . '-purge');
# Remove the old file from the squid cache
SquidUpdate::purge(array($this->getURL()));
}
# Hooks, hooks, the magic of hooks...
wfProfileIn(__METHOD__ . '-hooks');
wfRunHooks('FileUpload', array($this, $reupload, $descTitle->exists()));
wfProfileOut(__METHOD__ . '-hooks');
# Invalidate cache for all pages using this file
$update = new HTMLCacheUpdate($this->getTitle(), 'imagelinks');
$update->doUpdate();
if (!$reupload) {
LinksUpdate::queueRecursiveJobsForTable($this->getTitle(), 'imagelinks');
}
wfProfileOut(__METHOD__);
return true;
}
/**
* Do some database updates after deletion
*
* @param int $id The page_id value of the page being deleted
* @param Content $content Optional page content to be used when determining
* the required updates. This may be needed because $this->getContent()
* may already return null when the page proper was deleted.
*/
public function doDeleteUpdates($id, Content $content = null)
{
// Update site status
DeferredUpdates::addUpdate(new SiteStatsUpdate(0, 1, -(int) $this->isCountable(), -1));
// Delete pagelinks, update secondary indexes, etc
$updates = $this->getDeletionUpdates($content);
foreach ($updates as $update) {
DeferredUpdates::addUpdate($update);
}
// Reparse any pages transcluding this page
LinksUpdate::queueRecursiveJobsForTable($this->mTitle, 'templatelinks');
// Reparse any pages including this image
if ($this->mTitle->getNamespace() == NS_FILE) {
LinksUpdate::queueRecursiveJobsForTable($this->mTitle, 'imagelinks');
}
// Clear caches
WikiPage::onArticleDelete($this->mTitle);
// Reset this object and the Title object
$this->loadFromRow(false, self::READ_LATEST);
// Search engine
DeferredUpdates::addUpdate(new SearchUpdate($id, $this->mTitle));
}
/**
* Record a file upload in the upload log and the image table
* @param string $oldver
* @param string $comment
* @param string $pageText
* @param bool|array $props
* @param string|bool $timestamp
* @param null|User $user
* @param string[] $tags
* @return bool
*/
function recordUpload2($oldver, $comment, $pageText, $props = false, $timestamp = false, $user = null, $tags = array())
{
if (is_null($user)) {
global $wgUser;
$user = $wgUser;
}
$dbw = $this->repo->getMasterDB();
# Imports or such might force a certain timestamp; otherwise we generate
# it and can fudge it slightly to keep (name,timestamp) unique on re-upload.
if ($timestamp === false) {
$timestamp = $dbw->timestamp();
$allowTimeKludge = true;
} else {
$allowTimeKludge = false;
}
$props = $props ?: $this->repo->getFileProps($this->getVirtualUrl());
$props['description'] = $comment;
$props['user'] = $user->getId();
$props['user_text'] = $user->getName();
$props['timestamp'] = wfTimestamp(TS_MW, $timestamp);
// DB -> TS_MW
$this->setProps($props);
# Fail now if the file isn't there
if (!$this->fileExists) {
wfDebug(__METHOD__ . ": File " . $this->getRel() . " went missing!\n");
return false;
}
$dbw->startAtomic(__METHOD__);
# Test to see if the row exists using INSERT IGNORE
# This avoids race conditions by locking the row until the commit, and also
# doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition.
$dbw->insert('image', array('img_name' => $this->getName(), 'img_size' => $this->size, 'img_width' => intval($this->width), 'img_height' => intval($this->height), 'img_bits' => $this->bits, 'img_media_type' => $this->media_type, 'img_major_mime' => $this->major_mime, 'img_minor_mime' => $this->minor_mime, 'img_timestamp' => $timestamp, 'img_description' => $comment, 'img_user' => $user->getId(), 'img_user_text' => $user->getName(), 'img_metadata' => $dbw->encodeBlob($this->metadata), 'img_sha1' => $this->sha1), __METHOD__, 'IGNORE');
$reupload = $dbw->affectedRows() == 0;
if ($reupload) {
if ($allowTimeKludge) {
# Use LOCK IN SHARE MODE to ignore any transaction snapshotting
$ltimestamp = $dbw->selectField('image', 'img_timestamp', array('img_name' => $this->getName()), __METHOD__, array('LOCK IN SHARE MODE'));
$lUnixtime = $ltimestamp ? wfTimestamp(TS_UNIX, $ltimestamp) : false;
# Avoid a timestamp that is not newer than the last version
# TODO: the image/oldimage tables should be like page/revision with an ID field
if ($lUnixtime && wfTimestamp(TS_UNIX, $timestamp) <= $lUnixtime) {
sleep(1);
// fast enough re-uploads would go far in the future otherwise
$timestamp = $dbw->timestamp($lUnixtime + 1);
$this->timestamp = wfTimestamp(TS_MW, $timestamp);
// DB -> TS_MW
}
}
# (bug 34993) Note: $oldver can be empty here, if the previous
# version of the file was broken. Allow registration of the new
# version to continue anyway, because that's better than having
# an image that's not fixable by user operations.
# Collision, this is an update of a file
# Insert previous contents into oldimage
$dbw->insertSelect('oldimage', 'image', array('oi_name' => 'img_name', 'oi_archive_name' => $dbw->addQuotes($oldver), 'oi_size' => 'img_size', 'oi_width' => 'img_width', 'oi_height' => 'img_height', 'oi_bits' => 'img_bits', 'oi_timestamp' => 'img_timestamp', 'oi_description' => 'img_description', 'oi_user' => 'img_user', 'oi_user_text' => 'img_user_text', 'oi_metadata' => 'img_metadata', 'oi_media_type' => 'img_media_type', 'oi_major_mime' => 'img_major_mime', 'oi_minor_mime' => 'img_minor_mime', 'oi_sha1' => 'img_sha1'), array('img_name' => $this->getName()), __METHOD__);
# Update the current image row
$dbw->update('image', array('img_size' => $this->size, 'img_width' => intval($this->width), 'img_height' => intval($this->height), 'img_bits' => $this->bits, 'img_media_type' => $this->media_type, 'img_major_mime' => $this->major_mime, 'img_minor_mime' => $this->minor_mime, 'img_timestamp' => $timestamp, 'img_description' => $comment, 'img_user' => $user->getId(), 'img_user_text' => $user->getName(), 'img_metadata' => $dbw->encodeBlob($this->metadata), 'img_sha1' => $this->sha1), array('img_name' => $this->getName()), __METHOD__);
}
$descTitle = $this->getTitle();
$descId = $descTitle->getArticleID();
$wikiPage = new WikiFilePage($descTitle);
$wikiPage->setFile($this);
// Add the log entry...
$logEntry = new ManualLogEntry('upload', $reupload ? 'overwrite' : 'upload');
$logEntry->setTimestamp($this->timestamp);
$logEntry->setPerformer($user);
$logEntry->setComment($comment);
$logEntry->setTarget($descTitle);
// Allow people using the api to associate log entries with the upload.
// Log has a timestamp, but sometimes different from upload timestamp.
$logEntry->setParameters(array('img_sha1' => $this->sha1, 'img_timestamp' => $timestamp));
// Note we keep $logId around since during new image
// creation, page doesn't exist yet, so log_page = 0
// but we want it to point to the page we're making,
// so we later modify the log entry.
// For a similar reason, we avoid making an RC entry
// now and wait until the page exists.
$logId = $logEntry->insert();
if ($descTitle->exists()) {
// Use own context to get the action text in content language
$formatter = LogFormatter::newFromEntry($logEntry);
$formatter->setContext(RequestContext::newExtraneousContext($descTitle));
$editSummary = $formatter->getPlainActionText();
$nullRevision = Revision::newNullRevision($dbw, $descId, $editSummary, false, $user);
if ($nullRevision) {
$nullRevision->insertOn($dbw);
Hooks::run('NewRevisionFromEditComplete', array($wikiPage, $nullRevision, $nullRevision->getParentId(), $user));
$wikiPage->updateRevisionOn($dbw, $nullRevision);
// Associate null revision id
$logEntry->setAssociatedRevId($nullRevision->getId());
}
$newPageContent = null;
} else {
// Make the description page and RC log entry post-commit
$newPageContent = ContentHandler::makeContent($pageText, $descTitle);
}
# Defer purges, page creation, and link updates in case they error out.
# The most important thing is that files and the DB registry stay synced.
$dbw->endAtomic(__METHOD__);
# Do some cache purges after final commit so that:
# a) Changes are more likely to be seen post-purge
# b) They won't cause rollback of the log publish/update above
$that = $this;
$dbw->onTransactionIdle(function () use($that, $reupload, $wikiPage, $newPageContent, $comment, $user, $logEntry, $logId, $descId, $tags) {
# Update memcache after the commit
$that->invalidateCache();
$updateLogPage = false;
if ($newPageContent) {
# New file page; create the description page.
# There's already a log entry, so don't make a second RC entry
# CDN and file cache for the description page are purged by doEditContent.
$status = $wikiPage->doEditContent($newPageContent, $comment, EDIT_NEW | EDIT_SUPPRESS_RC, false, $user);
if (isset($status->value['revision'])) {
// Associate new page revision id
$logEntry->setAssociatedRevId($status->value['revision']->getId());
}
// This relies on the resetArticleID() call in WikiPage::insertOn(),
// which is triggered on $descTitle by doEditContent() above.
if (isset($status->value['revision'])) {
/** @var $rev Revision */
$rev = $status->value['revision'];
$updateLogPage = $rev->getPage();
}
} else {
# Existing file page: invalidate description page cache
$wikiPage->getTitle()->invalidateCache();
$wikiPage->getTitle()->purgeSquid();
# Allow the new file version to be patrolled from the page footer
Article::purgePatrolFooterCache($descId);
}
# Update associated rev id. This should be done by $logEntry->insert() earlier,
# but setAssociatedRevId() wasn't called at that point yet...
$logParams = $logEntry->getParameters();
$logParams['associated_rev_id'] = $logEntry->getAssociatedRevId();
$update = array('log_params' => LogEntryBase::makeParamBlob($logParams));
if ($updateLogPage) {
# Also log page, in case where we just created it above
$update['log_page'] = $updateLogPage;
}
$that->getRepo()->getMasterDB()->update('logging', $update, array('log_id' => $logId), __METHOD__);
$that->getRepo()->getMasterDB()->insert('log_search', array('ls_field' => 'associated_rev_id', 'ls_value' => $logEntry->getAssociatedRevId(), 'ls_log_id' => $logId), __METHOD__);
# Now that the log entry is up-to-date, make an RC entry.
$recentChange = $logEntry->publish($logId);
if ($tags) {
ChangeTags::addTags($tags, $recentChange ? $recentChange->getAttribute('rc_id') : null, $logEntry->getAssociatedRevId(), $logId);
}
# Run hook for other updates (typically more cache purging)
Hooks::run('FileUpload', array($that, $reupload, !$newPageContent));
if ($reupload) {
# Delete old thumbnails
$that->purgeThumbnails();
# Remove the old file from the CDN cache
DeferredUpdates::addUpdate(new CdnCacheUpdate(array($that->getUrl())), DeferredUpdates::PRESEND);
} else {
# Update backlink pages pointing to this title if created
LinksUpdate::queueRecursiveJobsForTable($that->getTitle(), 'imagelinks');
}
});
if (!$reupload) {
# This is a new file, so update the image count
DeferredUpdates::addUpdate(SiteStatsUpdate::factory(array('images' => 1)));
}
# Invalidate cache for all pages using this file
DeferredUpdates::addUpdate(new HTMLCacheUpdate($this->getTitle(), 'imagelinks'));
return true;
}
/**
* Do standard deferred updates after page edit.
* Update links tables, site stats, search index and message cache.
* Every 1000th edit, prune the recent changes table.
*
* @private
* @param $text New text of the article
* @param $summary Edit summary
* @param $minoredit Minor edit
* @param $timestamp_of_pagechange Timestamp associated with the page change
* @param $newid rev_id value of the new revision
* @param $changed Whether or not the content actually changed
*/
function editUpdates($text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true)
{
global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser;
wfProfileIn(__METHOD__);
# Parse the text
$options = new ParserOptions();
$options->setTidy(true);
$poutput = $wgParser->parse($text, $this->mTitle, $options, true, true, $newid);
# Save it to the parser cache
$parserCache =& ParserCache::singleton();
$parserCache->save($poutput, $this, $wgUser);
# Update the links tables
$u = new LinksUpdate($this->mTitle, $poutput);
$u->doUpdate();
if (wfRunHooks('ArticleEditUpdatesDeleteFromRecentchanges', array(&$this))) {
wfSeedRandom();
if (0 == mt_rand(0, 999)) {
# Periodically flush old entries from the recentchanges table.
global $wgRCMaxAge;
$dbw =& wfGetDB(DB_MASTER);
$cutoff = $dbw->timestamp(time() - $wgRCMaxAge);
$recentchanges = $dbw->tableName('recentchanges');
$sql = "DELETE FROM {$recentchanges} WHERE rc_timestamp < '{$cutoff}'";
$dbw->query($sql);
}
}
$id = $this->getID();
$title = $this->mTitle->getPrefixedDBkey();
$shortTitle = $this->mTitle->getDBkey();
if (0 == $id) {
wfProfileOut(__METHOD__);
return;
}
$u = new SiteStatsUpdate(0, 1, $this->mGoodAdjustment, $this->mTotalAdjustment);
array_push($wgDeferredUpdateList, $u);
$u = new SearchUpdate($id, $title, $text);
array_push($wgDeferredUpdateList, $u);
# If this is another user's talk page, update newtalk
# Don't do this if $changed = false otherwise some idiot can null-edit a
# load of user talk pages and piss people off, nor if it's a minor edit
# by a properly-flagged bot.
if ($this->mTitle->getNamespace() == NS_USER_TALK && $shortTitle != $wgUser->getTitleKey() && $changed && !($minoredit && $wgUser->isAllowed('nominornewtalk'))) {
if (wfRunHooks('ArticleEditUpdateNewTalk', array(&$this))) {
$other = User::newFromName($shortTitle);
if (is_null($other) && User::isIP($shortTitle)) {
// An anonymous user
$other = new User();
$other->setName($shortTitle);
}
if ($other) {
$other->setNewtalk(true);
}
}
}
if ($this->mTitle->getNamespace() == NS_MEDIAWIKI) {
$wgMessageCache->replace($shortTitle, $text);
}
wfProfileOut(__METHOD__);
}
/**
* Modifies ParserOutput
* @param \LinksUpdate $linksUpdate
* @return bool
*/
public static function onLinksUpdate(\LinksUpdate $linksUpdate)
{
$linksUpdate->mParserOutput = (new \FlagsController())->modifyParserOutputWithFlags($linksUpdate->getParserOutput(), $linksUpdate->getTitle()->getArticleID());
return true;
}
/**
* Updates cascading protections
*
* @param $parserOutput ParserOutput object for the current version
*/
public function doCascadeProtectionUpdates( ParserOutput $parserOutput ) {
if ( wfReadOnly() || !$this->mTitle->areRestrictionsCascading() ) {
return;
}
// templatelinks table may have become out of sync,
// especially if using variable-based transclusions.
// For paranoia, check if things have changed and if
// so apply updates to the database. This will ensure
// that cascaded protections apply as soon as the changes
// are visible.
// Get templates from templatelinks
$id = $this->getId();
$tlTemplates = array();
$dbr = wfGetDB( DB_SLAVE );
$res = $dbr->select( array( 'templatelinks' ),
array( 'tl_namespace', 'tl_title' ),
array( 'tl_from' => $id ),
__METHOD__
);
foreach ( $res as $row ) {
$tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
}
// Get templates from parser output.
$poTemplates = array();
foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
foreach ( $templates as $dbk => $id ) {
$poTemplates["$ns:$dbk"] = true;
}
}
// Get the diff
$templates_diff = array_diff_key( $poTemplates, $tlTemplates );
if ( count( $templates_diff ) > 0 ) {
// Whee, link updates time.
// Note: we are only interested in links here. We don't need to get other DataUpdate items from the parser output.
$u = new LinksUpdate( $this->mTitle, $parserOutput, false );
$u->doUpdate();
}
}
/**
* Run a refreshLinks2 job
* @return boolean success
*/
function run()
{
global $wgParser;
wfProfileIn(__METHOD__);
$linkCache = LinkCache::singleton();
$linkCache->clear();
if (is_null($this->title)) {
$this->error = "refreshLinks2: Invalid title";
wfProfileOut(__METHOD__);
return false;
}
if (!isset($this->params['start']) || !isset($this->params['end'])) {
$this->error = "refreshLinks2: Invalid params";
wfProfileOut(__METHOD__);
return false;
}
$start = intval($this->params['start']);
$end = intval($this->params['end']);
$dbr = wfGetDB(DB_SLAVE);
$res = $dbr->select(array('templatelinks', 'page'), array('page_namespace', 'page_title'), array('page_id=tl_from', "tl_from >= '{$start}'", "tl_from <= '{$end}'", 'tl_namespace' => $this->title->getNamespace(), 'tl_title' => $this->title->getDBkey()), __METHOD__);
# Not suitable for page load triggered job running!
# Gracefully switch to refreshLinks jobs if this happens.
if (php_sapi_name() != 'cli') {
$jobs = array();
while ($row = $dbr->fetchObject($res)) {
$title = Title::makeTitle($row->page_namespace, $row->page_title);
$jobs[] = new RefreshLinksJob($title, '');
}
Job::batchInsert($jobs);
return true;
}
# Re-parse each page that transcludes this page and update their tracking links...
while ($row = $dbr->fetchObject($res)) {
$title = Title::makeTitle($row->page_namespace, $row->page_title);
$revision = Revision::newFromTitle($title);
if (!$revision) {
$this->error = 'refreshLinks: Article not found "' . $title->getPrefixedDBkey() . '"';
wfProfileOut(__METHOD__);
return false;
}
wfProfileIn(__METHOD__ . '-parse');
$options = new ParserOptions();
$parserOutput = $wgParser->parse($revision->getText(), $title, $options, true, true, $revision->getId());
wfProfileOut(__METHOD__ . '-parse');
wfProfileIn(__METHOD__ . '-update');
$update = new LinksUpdate($title, $parserOutput, false);
$update->doUpdate();
wfProfileOut(__METHOD__ . '-update');
wfProfileOut(__METHOD__);
}
return true;
}
/**
* After article was edited and parsed, in case of layer page, save layers to database
*
* @since 3.0
*
* @param LinksUpdate &$linksUpdate
*
* @return true
*/
public static function onLinksUpdateConstructed(LinksUpdate &$linksUpdate)
{
$title = $linksUpdate->getTitle();
self::processLayersStoreCandidate($linksUpdate->mParserOutput, $title);
return true;
}
/**
* Unsets the approved revision for this page in the approved_revs DB
* table; calls a "links update" on this page so that category
* information can be stored correctly, as well as info for
* extensions such as Semantic MediaWiki; and logs the action.
*/
public static function unsetApproval($title)
{
global $egApprovedRevsBlankIfUnapproved;
self::deleteRevisionApproval($title);
$parser = new Parser();
$parser->setTitle($title);
if ($egApprovedRevsBlankIfUnapproved) {
$text = '';
} else {
$text = self::getPageText($title);
}
$options = new ParserOptions();
$parser->parse($text, $title, $options);
$u = new LinksUpdate($title, $parser->getOutput());
$u->doUpdate();
self::setPageSearchText($title, $text);
$log = new LogPage('approval');
$log->addEntry('unapprove', $title, '');
wfRunHooks('ApprovedRevsRevisionUnapproved', array($parser, $title));
}
/**
* Run a refreshLinks2 job
* @return boolean success
*/
function run()
{
global $wgParser, $wgContLang;
wfProfileIn(__METHOD__);
$linkCache = LinkCache::singleton();
$linkCache->clear();
if (is_null($this->title)) {
$this->error = "refreshLinks2: Invalid title";
wfProfileOut(__METHOD__);
return false;
}
if (!isset($this->params['start']) || !isset($this->params['end'])) {
$this->error = "refreshLinks2: Invalid params";
wfProfileOut(__METHOD__);
return false;
}
// Back compat for pre-r94435 jobs
$table = isset($this->params['table']) ? $this->params['table'] : 'templatelinks';
$titles = $this->title->getBacklinkCache()->getLinks($table, $this->params['start'], $this->params['end']);
# Not suitable for page load triggered job running!
# Gracefully switch to refreshLinks jobs if this happens.
if (php_sapi_name() != 'cli') {
$jobs = array();
foreach ($titles as $title) {
$jobs[] = new RefreshLinksJob($title, '');
}
Job::batchInsert($jobs);
wfProfileOut(__METHOD__);
return true;
}
$options = ParserOptions::newFromUserAndLang(new User(), $wgContLang);
# Re-parse each page that transcludes this page and update their tracking links...
foreach ($titles as $title) {
$revision = Revision::newFromTitle($title);
if (!$revision) {
$this->error = 'refreshLinks: Article not found "' . $title->getPrefixedDBkey() . '"';
wfProfileOut(__METHOD__);
return false;
}
wfProfileIn(__METHOD__ . '-parse');
$parserOutput = $wgParser->parse($revision->getText(), $title, $options, true, true, $revision->getId());
wfProfileOut(__METHOD__ . '-parse');
wfProfileIn(__METHOD__ . '-update');
$update = new LinksUpdate($title, $parserOutput, false);
$update->doUpdate();
wfProfileOut(__METHOD__ . '-update');
wfWaitForSlaves();
}
wfProfileOut(__METHOD__);
return true;
}
protected function assertLinksUpdate(Title $title, ParserOutput $parserOutput, $table, $fields, $condition, array $expectedRows)
{
$update = new LinksUpdate($title, $parserOutput);
$update->doUpdate();
$this->assertSelect($table, $fields, $condition, $expectedRows);
}
protected function assertRecentChangeByCategorization(Title $pageTitle, ParserOutput $parserOutput, Title $categoryTitle, $expectedRows)
{
$update = new LinksUpdate($pageTitle, $parserOutput);
$revision = Revision::newFromTitle($pageTitle);
$update->setRevision($revision);
$update->beginTransaction();
$update->doUpdate();
$update->commitTransaction();
$this->assertSelect('recentchanges', 'rc_title, rc_comment', array('rc_type' => RC_CATEGORIZE, 'rc_namespace' => NS_CATEGORY, 'rc_title' => $categoryTitle->getDBkey()), $expectedRows);
}
/**
* Do some database updates after deletion
*
* @param int $id The page_id value of the page being deleted
* @param Content|null $content Optional page content to be used when determining
* the required updates. This may be needed because $this->getContent()
* may already return null when the page proper was deleted.
* @param Revision|null $revision The latest page revision
*/
public function doDeleteUpdates($id, Content $content = null, Revision $revision = null)
{
try {
$countable = $this->isCountable();
} catch (Exception $ex) {
// fallback for deleting broken pages for which we cannot load the content for
// some reason. Note that doDeleteArticleReal() already logged this problem.
$countable = false;
}
// Update site status
DeferredUpdates::addUpdate(new SiteStatsUpdate(0, 1, -(int) $countable, -1));
// Delete pagelinks, update secondary indexes, etc
$updates = $this->getDeletionUpdates($content);
foreach ($updates as $update) {
DeferredUpdates::addUpdate($update);
}
// Reparse any pages transcluding this page
LinksUpdate::queueRecursiveJobsForTable($this->mTitle, 'templatelinks');
// Reparse any pages including this image
if ($this->mTitle->getNamespace() == NS_FILE) {
LinksUpdate::queueRecursiveJobsForTable($this->mTitle, 'imagelinks');
}
// Clear caches
WikiPage::onArticleDelete($this->mTitle);
ResourceLoaderWikiModule::invalidateModuleCache($this->mTitle, $revision, null, wfWikiID());
// Reset this object and the Title object
$this->loadFromRow(false, self::READ_LATEST);
// Search engine
DeferredUpdates::addUpdate(new SearchUpdate($id, $this->mTitle));
}
/**
* This is the meaty bit -- restores archived revisions of the given page
* to the cur/old tables. If the page currently exists, all revisions will
* be stuffed into old, otherwise the most recent will go into cur.
*
* @param array $timestamps Pass an empty array to restore all revisions, otherwise list the ones to undelete.
* @param string $comment
* @param array $fileVersions
*
* @return int number of revisions restored
*/
private function undeleteRevisions($timestamps)
{
global $wgParser, $wgDBtype;
$fname = __CLASS__ . '::' . __FUNCTION__;
$restoreAll = empty($timestamps);
$dbw =& wfGetDB(DB_MASTER);
extract($dbw->tableNames('page', 'archive'));
# Does this page already exist? We'll have to update it...
$article = new Article($this->title);
$options = $wgDBtype == 'postgres' ? '' : 'FOR UPDATE';
$page = $dbw->selectRow('page', array('page_id', 'page_latest'), array('page_namespace' => $this->title->getNamespace(), 'page_title' => $this->title->getDBkey()), $fname, $options);
if ($page) {
# Page already exists. Import the history, and if necessary
# we'll update the latest revision field in the record.
$newid = 0;
$pageId = $page->page_id;
$previousRevId = $page->page_latest;
} else {
# Have to create a new article...
$newid = $article->insertOn($dbw);
$pageId = $newid;
$previousRevId = 0;
}
if ($restoreAll) {
$oldones = '1 = 1';
# All revisions...
} else {
$oldts = implode(',', array_map(array(&$dbw, 'addQuotes'), array_map(array(&$dbw, 'timestamp'), $timestamps)));
$oldones = "ar_timestamp IN ( {$oldts} )";
}
/**
* Restore each revision...
*/
$result = $dbw->select('archive', array('ar_rev_id', 'ar_text', 'ar_comment', 'ar_user', 'ar_user_text', 'ar_timestamp', 'ar_minor_edit', 'ar_flags', 'ar_text_id'), array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), $fname, array('ORDER BY' => 'ar_timestamp'));
if ($dbw->numRows($result) < count($timestamps)) {
wfDebug("{$fname}: couldn't find all requested rows\n");
return false;
}
$revision = null;
$newRevId = $previousRevId;
$restored = 0;
while ($row = $dbw->fetchObject($result)) {
if ($row->ar_text_id) {
// Revision was deleted in 1.5+; text is in
// the regular text table, use the reference.
// Specify null here so the so the text is
// dereferenced for page length info if needed.
$revText = null;
} else {
// Revision was deleted in 1.4 or earlier.
// Text is squashed into the archive row, and
// a new text table entry will be created for it.
$revText = Revision::getRevisionText($row, 'ar_');
}
$revision = new Revision(array('page' => $pageId, 'id' => $row->ar_rev_id, 'text' => $revText, 'comment' => $row->ar_comment, 'user' => $row->ar_user, 'user_text' => $row->ar_user_text, 'timestamp' => $row->ar_timestamp, 'minor_edit' => $row->ar_minor_edit, 'text_id' => $row->ar_text_id));
$newRevId = $revision->insertOn($dbw);
$restored++;
}
if ($revision) {
# FIXME: Update latest if newer as well...
if ($newid) {
# FIXME: update article count if changed...
$article->updateRevisionOn($dbw, $revision, $previousRevId);
# Finally, clean up the link tables
$options = new ParserOptions();
$parserOutput = $wgParser->parse($revision->getText(), $this->title, $options, true, true, $newRevId);
$u = new LinksUpdate($this->title, $parserOutput);
$u->doUpdate();
#TODO: SearchUpdate, etc.
}
// WERELATE: watch article
global $wgUser;
$watchthis = false;
if ($newid) {
Article::onArticleCreate($this->title);
$watchthis = $wgUser->getOption('watchcreations') || $wgUser->getOption('watchdefault');
} else {
Article::onArticleEdit($this->title);
$watchthis = $wgUser->getOption('watchdefault');
}
if ($watchthis && !$article->getTitle()->userIsWatching()) {
$article->doWatch();
}
} else {
# Something went terribly wrong!
}
# Now that it's safely stored, take it out of the archive
$dbw->delete('archive', array('ar_namespace' => $this->title->getNamespace(), 'ar_title' => $this->title->getDBkey(), $oldones), $fname);
return $restored;
}
protected function doCascadeProtectionUpdates($parserOutput)
{
if (!$this->isCurrent() || wfReadOnly() || !$this->mTitle->areRestrictionsCascading()) {
return;
}
// templatelinks table may have become out of sync,
// especially if using variable-based transclusions.
// For paranoia, check if things have changed and if
// so apply updates to the database. This will ensure
// that cascaded protections apply as soon as the changes
// are visible.
# Get templates from templatelinks
$id = $this->mTitle->getArticleID();
$tlTemplates = array();
$dbr = wfGetDB(DB_SLAVE);
$res = $dbr->select(array('templatelinks'), array('tl_namespace', 'tl_title'), array('tl_from' => $id), __METHOD__);
global $wgContLang;
foreach ($res as $row) {
$tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
}
# Get templates from parser output.
$poTemplates = array();
foreach ($parserOutput->getTemplates() as $ns => $templates) {
foreach ($templates as $dbk => $id) {
$poTemplates["{$ns}:{$dbk}"] = true;
}
}
# Get the diff
# Note that we simulate array_diff_key in PHP <5.0.x
$templates_diff = array_diff_key($poTemplates, $tlTemplates);
if (count($templates_diff) > 0) {
# Whee, link updates time.
$u = new LinksUpdate($this->mTitle, $parserOutput, false);
$u->doUpdate();
}
}
/**
* Add the primary page-view wikitext to the output buffer
* Saves the text into the parser cache if possible.
* Updates templatelinks if it is out of date.
*
* @param $text String
* @param $cache Boolean
*/
public function outputWikiText($text, $cache = true)
{
global $wgParser, $wgUser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
$popts = $wgOut->parserOptions();
$popts->setTidy(true);
$popts->enableLimitReport();
$parserOutput = $wgParser->parse($text, $this->mTitle, $popts, true, true, $this->getRevIdFetched());
$popts->setTidy(false);
$popts->enableLimitReport(false);
if ($wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1) {
$parserCache = ParserCache::singleton();
$parserCache->save($parserOutput, $this, $wgUser);
}
// Make sure file cache is not used on uncacheable content.
// Output that has magic words in it can still use the parser cache
// (if enabled), though it will generally expire sooner.
if ($parserOutput->getCacheTime() == -1 || $parserOutput->containsOldMagic()) {
$wgUseFileCache = false;
}
if ($this->isCurrent() && !wfReadOnly() && $this->mTitle->areRestrictionsCascading()) {
// templatelinks table may have become out of sync,
// especially if using variable-based transclusions.
// For paranoia, check if things have changed and if
// so apply updates to the database. This will ensure
// that cascaded protections apply as soon as the changes
// are visible.
# Get templates from templatelinks
$id = $this->mTitle->getArticleID();
$tlTemplates = array();
$dbr = wfGetDB(DB_SLAVE);
$res = $dbr->select(array('templatelinks'), array('tl_namespace', 'tl_title'), array('tl_from' => $id), __METHOD__);
global $wgContLang;
if ($res !== false) {
foreach ($res as $row) {
$tlTemplates[] = $wgContLang->getNsText($row->tl_namespace) . ':' . $row->tl_title;
}
}
# Get templates from parser output.
$poTemplates_allns = $parserOutput->getTemplates();
$poTemplates = array();
foreach ($poTemplates_allns as $ns_templates) {
$poTemplates = array_merge($poTemplates, $ns_templates);
}
# Get the diff
$templates_diff = array_diff($poTemplates, $tlTemplates);
if (count($templates_diff) > 0) {
# Whee, link updates time.
$u = new LinksUpdate($this->mTitle, $parserOutput);
$u->doUpdate();
}
}
$wgOut->addParserOutput($parserOutput);
}
