%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* MediaWiki page data importer.
*
* Copyright © 2003,2005 Brion Vibber <brion@pobox.com>
* https://www.mediawiki.org/
*
* 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
* @ingroup SpecialPage
*/
use MediaWiki\MediaWikiServices;
/**
* XML file reader for the page data importer.
*
* implements Special:Import
* @ingroup SpecialPage
*/
class WikiImporter {
private $reader = null;
private $foreignNamespaces = null;
private $mLogItemCallback, $mUploadCallback, $mRevisionCallback, $mPageCallback;
private $mSiteInfoCallback, $mPageOutCallback;
private $mNoticeCallback, $mDebug;
private $mImportUploads, $mImageBasePath;
private $mNoUpdates = false;
private $pageOffset = 0;
/** @var Config */
private $config;
/** @var ImportTitleFactory */
private $importTitleFactory;
/** @var array */
private $countableCache = [];
/** @var bool */
private $disableStatisticsUpdate = false;
/** @var ExternalUserNames */
private $externalUserNames;
/**
* Creates an ImportXMLReader drawing from the source provided
* @param ImportSource $source
* @param Config $config
* @throws Exception
*/
function __construct( ImportSource $source, Config $config ) {
if ( !class_exists( 'XMLReader' ) ) {
throw new Exception( 'Import requires PHP to have been compiled with libxml support' );
}
$this->reader = new XMLReader();
$this->config = $config;
if ( !in_array( 'uploadsource', stream_get_wrappers() ) ) {
stream_wrapper_register( 'uploadsource', UploadSourceAdapter::class );
}
$id = UploadSourceAdapter::registerSource( $source );
// Enable the entity loader, as it is needed for loading external URLs via
// XMLReader::open (T86036)
$oldDisable = libxml_disable_entity_loader( false );
if ( defined( 'LIBXML_PARSEHUGE' ) ) {
$status = $this->reader->open( "uploadsource://$id", null, LIBXML_PARSEHUGE );
} else {
$status = $this->reader->open( "uploadsource://$id" );
}
if ( !$status ) {
$error = libxml_get_last_error();
libxml_disable_entity_loader( $oldDisable );
throw new MWException( 'Encountered an internal error while initializing WikiImporter object: ' .
$error->message );
}
libxml_disable_entity_loader( $oldDisable );
// Default callbacks
$this->setPageCallback( [ $this, 'beforeImportPage' ] );
$this->setRevisionCallback( [ $this, "importRevision" ] );
$this->setUploadCallback( [ $this, 'importUpload' ] );
$this->setLogItemCallback( [ $this, 'importLogItem' ] );
$this->setPageOutCallback( [ $this, 'finishImportPage' ] );
$this->importTitleFactory = new NaiveImportTitleFactory();
$this->externalUserNames = new ExternalUserNames( 'imported', false );
}
/**
* @return null|XMLReader
*/
public function getReader() {
return $this->reader;
}
public function throwXmlError( $err ) {
$this->debug( "FAILURE: $err" );
wfDebug( "WikiImporter XML error: $err\n" );
}
public function debug( $data ) {
if ( $this->mDebug ) {
wfDebug( "IMPORT: $data\n" );
}
}
public function warn( $data ) {
wfDebug( "IMPORT: $data\n" );
}
public function notice( $msg /*, $param, ...*/ ) {
$params = func_get_args();
array_shift( $params );
if ( is_callable( $this->mNoticeCallback ) ) {
call_user_func( $this->mNoticeCallback, $msg, $params );
} else { # No ImportReporter -> CLI
// T177997: the command line importers should call setNoticeCallback()
// for their own custom callback to echo the notice
wfDebug( wfMessage( $msg, $params )->text() . "\n" );
}
}
/**
* Set debug mode...
* @param bool $debug
*/
function setDebug( $debug ) {
$this->mDebug = $debug;
}
/**
* Set 'no updates' mode. In this mode, the link tables will not be updated by the importer
* @param bool $noupdates
*/
function setNoUpdates( $noupdates ) {
$this->mNoUpdates = $noupdates;
}
/**
* Sets 'pageOffset' value. So it will skip the first n-1 pages
* and start from the nth page. It's 1-based indexing.
* @param int $nthPage
* @since 1.29
*/
function setPageOffset( $nthPage ) {
$this->pageOffset = $nthPage;
}
/**
* Set a callback that displays notice messages
*
* @param callable $callback
* @return callable
*/
public function setNoticeCallback( $callback ) {
return wfSetVar( $this->mNoticeCallback, $callback );
}
/**
* Sets the action to perform as each new page in the stream is reached.
* @param callable $callback
* @return callable
*/
public function setPageCallback( $callback ) {
$previous = $this->mPageCallback;
$this->mPageCallback = $callback;
return $previous;
}
/**
* Sets the action to perform as each page in the stream is completed.
* Callback accepts the page title (as a Title object), a second object
* with the original title form (in case it's been overridden into a
* local namespace), and a count of revisions.
*
* @param callable $callback
* @return callable
*/
public function setPageOutCallback( $callback ) {
$previous = $this->mPageOutCallback;
$this->mPageOutCallback = $callback;
return $previous;
}
/**
* Sets the action to perform as each page revision is reached.
* @param callable $callback
* @return callable
*/
public function setRevisionCallback( $callback ) {
$previous = $this->mRevisionCallback;
$this->mRevisionCallback = $callback;
return $previous;
}
/**
* Sets the action to perform as each file upload version is reached.
* @param callable $callback
* @return callable
*/
public function setUploadCallback( $callback ) {
$previous = $this->mUploadCallback;
$this->mUploadCallback = $callback;
return $previous;
}
/**
* Sets the action to perform as each log item reached.
* @param callable $callback
* @return callable
*/
public function setLogItemCallback( $callback ) {
$previous = $this->mLogItemCallback;
$this->mLogItemCallback = $callback;
return $previous;
}
/**
* Sets the action to perform when site info is encountered
* @param callable $callback
* @return callable
*/
public function setSiteInfoCallback( $callback ) {
$previous = $this->mSiteInfoCallback;
$this->mSiteInfoCallback = $callback;
return $previous;
}
/**
* Sets the factory object to use to convert ForeignTitle objects into local
* Title objects
* @param ImportTitleFactory $factory
*/
public function setImportTitleFactory( $factory ) {
$this->importTitleFactory = $factory;
}
/**
* Set a target namespace to override the defaults
* @param null|int $namespace
* @return bool
*/
public function setTargetNamespace( $namespace ) {
if ( is_null( $namespace ) ) {
// Don't override namespaces
$this->setImportTitleFactory( new NaiveImportTitleFactory() );
return true;
} elseif (
$namespace >= 0 &&
MWNamespace::exists( intval( $namespace ) )
) {
$namespace = intval( $namespace );
$this->setImportTitleFactory( new NamespaceImportTitleFactory( $namespace ) );
return true;
} else {
return false;
}
}
/**
* Set a target root page under which all pages are imported
* @param null|string $rootpage
* @return Status
*/
public function setTargetRootPage( $rootpage ) {
$status = Status::newGood();
if ( is_null( $rootpage ) ) {
// No rootpage
$this->setImportTitleFactory( new NaiveImportTitleFactory() );
} elseif ( $rootpage !== '' ) {
$rootpage = rtrim( $rootpage, '/' ); // avoid double slashes
$title = Title::newFromText( $rootpage );
if ( !$title || $title->isExternal() ) {
$status->fatal( 'import-rootpage-invalid' );
} else {
if ( !MWNamespace::hasSubpages( $title->getNamespace() ) ) {
$displayNSText = $title->getNamespace() == NS_MAIN
? wfMessage( 'blanknamespace' )->text()
: MediaWikiServices::getInstance()->getContentLanguage()->
getNsText( $title->getNamespace() );
$status->fatal( 'import-rootpage-nosubpage', $displayNSText );
} else {
// set namespace to 'all', so the namespace check in processTitle() can pass
$this->setTargetNamespace( null );
$this->setImportTitleFactory( new SubpageImportTitleFactory( $title ) );
}
}
}
return $status;
}
/**
* @param string $dir
*/
public function setImageBasePath( $dir ) {
$this->mImageBasePath = $dir;
}
/**
* @param bool $import
*/
public function setImportUploads( $import ) {
$this->mImportUploads = $import;
}
/**
* @since 1.31
* @param string $usernamePrefix Prefix to apply to unknown (and possibly also known) usernames
* @param bool $assignKnownUsers Whether to apply the prefix to usernames that exist locally
*/
public function setUsernamePrefix( $usernamePrefix, $assignKnownUsers ) {
$this->externalUserNames = new ExternalUserNames( $usernamePrefix, $assignKnownUsers );
}
/**
* Statistics update can cause a lot of time
* @since 1.29
*/
public function disableStatisticsUpdate() {
$this->disableStatisticsUpdate = true;
}
/**
* Default per-page callback. Sets up some things related to site statistics
* @param array $titleAndForeignTitle Two-element array, with Title object at
* index 0 and ForeignTitle object at index 1
* @return bool
*/
public function beforeImportPage( $titleAndForeignTitle ) {
$title = $titleAndForeignTitle[0];
$page = WikiPage::factory( $title );
$this->countableCache['title_' . $title->getPrefixedText()] = $page->isCountable();
return true;
}
/**
* Default per-revision callback, performs the import.
* @param WikiRevision $revision
* @return bool
*/
public function importRevision( $revision ) {
if ( !$revision->getContentHandler()->canBeUsedOn( $revision->getTitle() ) ) {
$this->notice( 'import-error-bad-location',
$revision->getTitle()->getPrefixedText(),
$revision->getID(),
$revision->getModel(),
$revision->getFormat() );
return false;
}
try {
return $revision->importOldRevision();
} catch ( MWContentSerializationException $ex ) {
$this->notice( 'import-error-unserialize',
$revision->getTitle()->getPrefixedText(),
$revision->getID(),
$revision->getModel(),
$revision->getFormat() );
}
return false;
}
/**
* Default per-revision callback, performs the import.
* @param WikiRevision $revision
* @return bool
*/
public function importLogItem( $revision ) {
return $revision->importLogItem();
}
/**
* Dummy for now...
* @param WikiRevision $revision
* @return bool
*/
public function importUpload( $revision ) {
return $revision->importUpload();
}
/**
* Mostly for hook use
* @param Title $title
* @param ForeignTitle $foreignTitle
* @param int $revCount
* @param int $sRevCount
* @param array $pageInfo
* @return bool
*/
public function finishImportPage( $title, $foreignTitle, $revCount,
$sRevCount, $pageInfo
) {
// Update article count statistics (T42009)
// The normal counting logic in WikiPage->doEditUpdates() is designed for
// one-revision-at-a-time editing, not bulk imports. In this situation it
// suffers from issues of replica DB lag. We let WikiPage handle the total page
// and revision count, and we implement our own custom logic for the
// article (content page) count.
if ( !$this->disableStatisticsUpdate ) {
$page = WikiPage::factory( $title );
$page->loadPageData( 'fromdbmaster' );
$content = $page->getContent();
if ( $content === null ) {
wfDebug( __METHOD__ . ': Skipping article count adjustment for ' . $title .
' because WikiPage::getContent() returned null' );
} else {
$editInfo = $page->prepareContentForEdit( $content );
$countKey = 'title_' . $title->getPrefixedText();
$countable = $page->isCountable( $editInfo );
if ( array_key_exists( $countKey, $this->countableCache ) &&
$countable != $this->countableCache[$countKey] ) {
DeferredUpdates::addUpdate( SiteStatsUpdate::factory( [
'articles' => ( (int)$countable - (int)$this->countableCache[$countKey] )
] ) );
}
}
}
$args = func_get_args();
return Hooks::run( 'AfterImportPage', $args );
}
/**
* Alternate per-revision callback, for debugging.
* @param WikiRevision &$revision
*/
public function debugRevisionHandler( &$revision ) {
$this->debug( "Got revision:" );
if ( is_object( $revision->title ) ) {
$this->debug( "-- Title: " . $revision->title->getPrefixedText() );
} else {
$this->debug( "-- Title: <invalid>" );
}
$this->debug( "-- User: " . $revision->user_text );
$this->debug( "-- Timestamp: " . $revision->timestamp );
$this->debug( "-- Comment: " . $revision->comment );
$this->debug( "-- Text: " . $revision->text );
}
/**
* Notify the callback function of site info
* @param array $siteInfo
* @return bool|mixed
*/
private function siteInfoCallback( $siteInfo ) {
if ( isset( $this->mSiteInfoCallback ) ) {
return call_user_func_array( $this->mSiteInfoCallback,
[ $siteInfo, $this ] );
} else {
return false;
}
}
/**
* Notify the callback function when a new "<page>" is reached.
* @param Title $title
*/
function pageCallback( $title ) {
if ( isset( $this->mPageCallback ) ) {
call_user_func( $this->mPageCallback, $title );
}
}
/**
* Notify the callback function when a "</page>" is closed.
* @param Title $title
* @param ForeignTitle $foreignTitle
* @param int $revCount
* @param int $sucCount Number of revisions for which callback returned true
* @param array $pageInfo Associative array of page information
*/
private function pageOutCallback( $title, $foreignTitle, $revCount,
$sucCount, $pageInfo ) {
if ( isset( $this->mPageOutCallback ) ) {
$args = func_get_args();
call_user_func_array( $this->mPageOutCallback, $args );
}
}
/**
* Notify the callback function of a revision
* @param WikiRevision $revision
* @return bool|mixed
*/
private function revisionCallback( $revision ) {
if ( isset( $this->mRevisionCallback ) ) {
return call_user_func_array( $this->mRevisionCallback,
[ $revision, $this ] );
} else {
return false;
}
}
/**
* Notify the callback function of a new log item
* @param WikiRevision $revision
* @return bool|mixed
*/
private function logItemCallback( $revision ) {
if ( isset( $this->mLogItemCallback ) ) {
return call_user_func_array( $this->mLogItemCallback,
[ $revision, $this ] );
} else {
return false;
}
}
/**
* Retrieves the contents of the named attribute of the current element.
* @param string $attr The name of the attribute
* @return string The value of the attribute or an empty string if it is not set in the current
* element.
*/
public function nodeAttribute( $attr ) {
return $this->reader->getAttribute( $attr );
}
/**
* Shouldn't something like this be built-in to XMLReader?
* Fetches text contents of the current element, assuming
* no sub-elements or such scary things.
* @return string
* @access private
*/
public function nodeContents() {
if ( $this->reader->isEmptyElement ) {
return "";
}
$buffer = "";
while ( $this->reader->read() ) {
switch ( $this->reader->nodeType ) {
case XMLReader::TEXT:
case XMLReader::CDATA:
case XMLReader::SIGNIFICANT_WHITESPACE:
$buffer .= $this->reader->value;
break;
case XMLReader::END_ELEMENT:
return $buffer;
}
}
$this->reader->close();
return '';
}
/**
* Primary entry point
* @throws Exception
* @throws MWException
* @return bool
*/
public function doImport() {
// Calls to reader->read need to be wrapped in calls to
// libxml_disable_entity_loader() to avoid local file
// inclusion attacks (T48932).
$oldDisable = libxml_disable_entity_loader( true );
$this->reader->read();
if ( $this->reader->localName != 'mediawiki' ) {
libxml_disable_entity_loader( $oldDisable );
throw new MWException( "Expected <mediawiki> tag, got " .
$this->reader->localName );
}
$this->debug( "<mediawiki> tag is correct." );
$this->debug( "Starting primary dump processing loop." );
$keepReading = $this->reader->read();
$skip = false;
$rethrow = null;
$pageCount = 0;
try {
while ( $keepReading ) {
$tag = $this->reader->localName;
if ( $this->pageOffset ) {
if ( $tag === 'page' ) {
$pageCount++;
}
if ( $pageCount < $this->pageOffset ) {
$keepReading = $this->reader->next();
continue;
}
}
$type = $this->reader->nodeType;
if ( !Hooks::run( 'ImportHandleToplevelXMLTag', [ $this ] ) ) {
// Do nothing
} elseif ( $tag == 'mediawiki' && $type == XMLReader::END_ELEMENT ) {
break;
} elseif ( $tag == 'siteinfo' ) {
$this->handleSiteInfo();
} elseif ( $tag == 'page' ) {
$this->handlePage();
} elseif ( $tag == 'logitem' ) {
$this->handleLogItem();
} elseif ( $tag != '#text' ) {
$this->warn( "Unhandled top-level XML tag $tag" );
$skip = true;
}
if ( $skip ) {
$keepReading = $this->reader->next();
$skip = false;
$this->debug( "Skip" );
} else {
$keepReading = $this->reader->read();
}
}
} catch ( Exception $ex ) {
$rethrow = $ex;
}
// finally
libxml_disable_entity_loader( $oldDisable );
$this->reader->close();
if ( $rethrow ) {
throw $rethrow;
}
return true;
}
private function handleSiteInfo() {
$this->debug( "Enter site info handler." );
$siteInfo = [];
// Fields that can just be stuffed in the siteInfo object
$normalFields = [ 'sitename', 'base', 'generator', 'case' ];
while ( $this->reader->read() ) {
if ( $this->reader->nodeType == XMLReader::END_ELEMENT &&
$this->reader->localName == 'siteinfo' ) {
break;
}
$tag = $this->reader->localName;
if ( $tag == 'namespace' ) {
$this->foreignNamespaces[$this->nodeAttribute( 'key' )] =
$this->nodeContents();
} elseif ( in_array( $tag, $normalFields ) ) {
$siteInfo[$tag] = $this->nodeContents();
}
}
$siteInfo['_namespaces'] = $this->foreignNamespaces;
$this->siteInfoCallback( $siteInfo );
}
private function handleLogItem() {
$this->debug( "Enter log item handler." );
$logInfo = [];
// Fields that can just be stuffed in the pageInfo object
$normalFields = [ 'id', 'comment', 'type', 'action', 'timestamp',
'logtitle', 'params' ];
while ( $this->reader->read() ) {
if ( $this->reader->nodeType == XMLReader::END_ELEMENT &&
$this->reader->localName == 'logitem' ) {
break;
}
$tag = $this->reader->localName;
if ( !Hooks::run( 'ImportHandleLogItemXMLTag', [
$this, $logInfo
] ) ) {
// Do nothing
} elseif ( in_array( $tag, $normalFields ) ) {
$logInfo[$tag] = $this->nodeContents();
} elseif ( $tag == 'contributor' ) {
$logInfo['contributor'] = $this->handleContributor();
} elseif ( $tag != '#text' ) {
$this->warn( "Unhandled log-item XML tag $tag" );
}
}
$this->processLogItem( $logInfo );
}
/**
* @param array $logInfo
* @return bool|mixed
*/
private function processLogItem( $logInfo ) {
$revision = new WikiRevision( $this->config );
if ( isset( $logInfo['id'] ) ) {
$revision->setID( $logInfo['id'] );
}
$revision->setType( $logInfo['type'] );
$revision->setAction( $logInfo['action'] );
if ( isset( $logInfo['timestamp'] ) ) {
$revision->setTimestamp( $logInfo['timestamp'] );
}
if ( isset( $logInfo['params'] ) ) {
$revision->setParams( $logInfo['params'] );
}
if ( isset( $logInfo['logtitle'] ) ) {
// @todo Using Title for non-local titles is a recipe for disaster.
// We should use ForeignTitle here instead.
$revision->setTitle( Title::newFromText( $logInfo['logtitle'] ) );
}
$revision->setNoUpdates( $this->mNoUpdates );
if ( isset( $logInfo['comment'] ) ) {
$revision->setComment( $logInfo['comment'] );
}
if ( isset( $logInfo['contributor']['ip'] ) ) {
$revision->setUserIP( $logInfo['contributor']['ip'] );
}
if ( !isset( $logInfo['contributor']['username'] ) ) {
$revision->setUsername( $this->externalUserNames->addPrefix( 'Unknown user' ) );
} else {
$revision->setUsername(
$this->externalUserNames->applyPrefix( $logInfo['contributor']['username'] )
);
}
return $this->logItemCallback( $revision );
}
private function handlePage() {
// Handle page data.
$this->debug( "Enter page handler." );
$pageInfo = [ 'revisionCount' => 0, 'successfulRevisionCount' => 0 ];
// Fields that can just be stuffed in the pageInfo object
$normalFields = [ 'title', 'ns', 'id', 'redirect', 'restrictions' ];
$skip = false;
$badTitle = false;
while ( $skip ? $this->reader->next() : $this->reader->read() ) {
if ( $this->reader->nodeType == XMLReader::END_ELEMENT &&
$this->reader->localName == 'page' ) {
break;
}
$skip = false;
$tag = $this->reader->localName;
if ( $badTitle ) {
// The title is invalid, bail out of this page
$skip = true;
} elseif ( !Hooks::run( 'ImportHandlePageXMLTag', [ $this,
&$pageInfo ] ) ) {
// Do nothing
} elseif ( in_array( $tag, $normalFields ) ) {
// An XML snippet:
// <page>
// <id>123</id>
// <title>Page</title>
// <redirect title="NewTitle"/>
// ...
// Because the redirect tag is built differently, we need special handling for that case.
if ( $tag == 'redirect' ) {
$pageInfo[$tag] = $this->nodeAttribute( 'title' );
} else {
$pageInfo[$tag] = $this->nodeContents();
}
} elseif ( $tag == 'revision' || $tag == 'upload' ) {
if ( !isset( $title ) ) {
$title = $this->processTitle( $pageInfo['title'],
$pageInfo['ns'] ?? null );
// $title is either an array of two titles or false.
if ( is_array( $title ) ) {
$this->pageCallback( $title );
list( $pageInfo['_title'], $foreignTitle ) = $title;
} else {
$badTitle = true;
$skip = true;
}
}
if ( $title ) {
if ( $tag == 'revision' ) {
$this->handleRevision( $pageInfo );
} else {
$this->handleUpload( $pageInfo );
}
}
} elseif ( $tag != '#text' ) {
$this->warn( "Unhandled page XML tag $tag" );
$skip = true;
}
}
// @note $pageInfo is only set if a valid $title is processed above with
// no error. If we have a valid $title, then pageCallback is called
// above, $pageInfo['title'] is set and we do pageOutCallback here.
// If $pageInfo['_title'] is not set, then $foreignTitle is also not
// set since they both come from $title above.
if ( array_key_exists( '_title', $pageInfo ) ) {
$this->pageOutCallback( $pageInfo['_title'], $foreignTitle,
$pageInfo['revisionCount'],
$pageInfo['successfulRevisionCount'],
$pageInfo );
}
}
/**
* @param array $pageInfo
*/
private function handleRevision( &$pageInfo ) {
$this->debug( "Enter revision handler" );
$revisionInfo = [];
$normalFields = [ 'id', 'timestamp', 'comment', 'minor', 'model', 'format', 'text', 'sha1' ];
$skip = false;
while ( $skip ? $this->reader->next() : $this->reader->read() ) {
if ( $this->reader->nodeType == XMLReader::END_ELEMENT &&
$this->reader->localName == 'revision' ) {
break;
}
$tag = $this->reader->localName;
if ( !Hooks::run( 'ImportHandleRevisionXMLTag', [
$this, $pageInfo, $revisionInfo
] ) ) {
// Do nothing
} elseif ( in_array( $tag, $normalFields ) ) {
$revisionInfo[$tag] = $this->nodeContents();
} elseif ( $tag == 'contributor' ) {
$revisionInfo['contributor'] = $this->handleContributor();
} elseif ( $tag != '#text' ) {
$this->warn( "Unhandled revision XML tag $tag" );
$skip = true;
}
}
$pageInfo['revisionCount']++;
if ( $this->processRevision( $pageInfo, $revisionInfo ) ) {
$pageInfo['successfulRevisionCount']++;
}
}
/**
* @param array $pageInfo
* @param array $revisionInfo
* @throws MWException
* @return bool|mixed
*/
private function processRevision( $pageInfo, $revisionInfo ) {
global $wgMaxArticleSize;
// Make sure revisions won't violate $wgMaxArticleSize, which could lead to
// database errors and instability. Testing for revisions with only listed
// content models, as other content models might use serialization formats
// which aren't checked against $wgMaxArticleSize.
if ( ( !isset( $revisionInfo['model'] ) ||
in_array( $revisionInfo['model'], [
'wikitext',
'css',
'json',
'javascript',
'text',
''
] ) ) &&
strlen( $revisionInfo['text'] ) > $wgMaxArticleSize * 1024
) {
throw new MWException( 'The text of ' .
( isset( $revisionInfo['id'] ) ?
"the revision with ID $revisionInfo[id]" :
'a revision'
) . " exceeds the maximum allowable size ($wgMaxArticleSize KB)" );
}
$revision = new WikiRevision( $this->config );
if ( isset( $revisionInfo['id'] ) ) {
$revision->setID( $revisionInfo['id'] );
}
if ( isset( $revisionInfo['model'] ) ) {
$revision->setModel( $revisionInfo['model'] );
}
if ( isset( $revisionInfo['format'] ) ) {
$revision->setFormat( $revisionInfo['format'] );
}
$revision->setTitle( $pageInfo['_title'] );
if ( isset( $revisionInfo['text'] ) ) {
$handler = $revision->getContentHandler();
$text = $handler->importTransform(
$revisionInfo['text'],
$revision->getFormat() );
$revision->setText( $text );
}
if ( isset( $revisionInfo['timestamp'] ) ) {
$revision->setTimestamp( $revisionInfo['timestamp'] );
} else {
$revision->setTimestamp( wfTimestampNow() );
}
if ( isset( $revisionInfo['comment'] ) ) {
$revision->setComment( $revisionInfo['comment'] );
}
if ( isset( $revisionInfo['minor'] ) ) {
$revision->setMinor( true );
}
if ( isset( $revisionInfo['contributor']['ip'] ) ) {
$revision->setUserIP( $revisionInfo['contributor']['ip'] );
} elseif ( isset( $revisionInfo['contributor']['username'] ) ) {
$revision->setUsername(
$this->externalUserNames->applyPrefix( $revisionInfo['contributor']['username'] )
);
} else {
$revision->setUsername( $this->externalUserNames->addPrefix( 'Unknown user' ) );
}
if ( isset( $revisionInfo['sha1'] ) ) {
$revision->setSha1Base36( $revisionInfo['sha1'] );
}
$revision->setNoUpdates( $this->mNoUpdates );
return $this->revisionCallback( $revision );
}
/**
* @param array $pageInfo
* @return mixed
*/
private function handleUpload( &$pageInfo ) {
$this->debug( "Enter upload handler" );
$uploadInfo = [];
$normalFields = [ 'timestamp', 'comment', 'filename', 'text',
'src', 'size', 'sha1base36', 'archivename', 'rel' ];
$skip = false;
while ( $skip ? $this->reader->next() : $this->reader->read() ) {
if ( $this->reader->nodeType == XMLReader::END_ELEMENT &&
$this->reader->localName == 'upload' ) {
break;
}
$tag = $this->reader->localName;
if ( !Hooks::run( 'ImportHandleUploadXMLTag', [
$this, $pageInfo
] ) ) {
// Do nothing
} elseif ( in_array( $tag, $normalFields ) ) {
$uploadInfo[$tag] = $this->nodeContents();
} elseif ( $tag == 'contributor' ) {
$uploadInfo['contributor'] = $this->handleContributor();
} elseif ( $tag == 'contents' ) {
$contents = $this->nodeContents();
$encoding = $this->reader->getAttribute( 'encoding' );
if ( $encoding === 'base64' ) {
$uploadInfo['fileSrc'] = $this->dumpTemp( base64_decode( $contents ) );
$uploadInfo['isTempSrc'] = true;
}
} elseif ( $tag != '#text' ) {
$this->warn( "Unhandled upload XML tag $tag" );
$skip = true;
}
}
if ( $this->mImageBasePath && isset( $uploadInfo['rel'] ) ) {
$path = "{$this->mImageBasePath}/{$uploadInfo['rel']}";
if ( file_exists( $path ) ) {
$uploadInfo['fileSrc'] = $path;
$uploadInfo['isTempSrc'] = false;
}
}
if ( $this->mImportUploads ) {
return $this->processUpload( $pageInfo, $uploadInfo );
}
}
/**
* @param string $contents
* @return string
*/
private function dumpTemp( $contents ) {
$filename = tempnam( wfTempDir(), 'importupload' );
file_put_contents( $filename, $contents );
return $filename;
}
/**
* @param array $pageInfo
* @param array $uploadInfo
* @return mixed
*/
private function processUpload( $pageInfo, $uploadInfo ) {
$revision = new WikiRevision( $this->config );
$text = $uploadInfo['text'] ?? '';
$revision->setTitle( $pageInfo['_title'] );
$revision->setID( $pageInfo['id'] );
$revision->setTimestamp( $uploadInfo['timestamp'] );
$revision->setText( $text );
$revision->setFilename( $uploadInfo['filename'] );
if ( isset( $uploadInfo['archivename'] ) ) {
$revision->setArchiveName( $uploadInfo['archivename'] );
}
$revision->setSrc( $uploadInfo['src'] );
if ( isset( $uploadInfo['fileSrc'] ) ) {
$revision->setFileSrc( $uploadInfo['fileSrc'],
!empty( $uploadInfo['isTempSrc'] ) );
}
if ( isset( $uploadInfo['sha1base36'] ) ) {
$revision->setSha1Base36( $uploadInfo['sha1base36'] );
}
$revision->setSize( intval( $uploadInfo['size'] ) );
$revision->setComment( $uploadInfo['comment'] );
if ( isset( $uploadInfo['contributor']['ip'] ) ) {
$revision->setUserIP( $uploadInfo['contributor']['ip'] );
}
if ( isset( $uploadInfo['contributor']['username'] ) ) {
$revision->setUsername(
$this->externalUserNames->applyPrefix( $uploadInfo['contributor']['username'] )
);
}
$revision->setNoUpdates( $this->mNoUpdates );
return call_user_func( $this->mUploadCallback, $revision );
}
/**
* @return array
*/
private function handleContributor() {
$fields = [ 'id', 'ip', 'username' ];
$info = [];
if ( $this->reader->isEmptyElement ) {
return $info;
}
while ( $this->reader->read() ) {
if ( $this->reader->nodeType == XMLReader::END_ELEMENT &&
$this->reader->localName == 'contributor' ) {
break;
}
$tag = $this->reader->localName;
if ( in_array( $tag, $fields ) ) {
$info[$tag] = $this->nodeContents();
}
}
return $info;
}
/**
* @param string $text
* @param string|null $ns
* @return array|bool
*/
private function processTitle( $text, $ns = null ) {
if ( is_null( $this->foreignNamespaces ) ) {
$foreignTitleFactory = new NaiveForeignTitleFactory();
} else {
$foreignTitleFactory = new NamespaceAwareForeignTitleFactory(
$this->foreignNamespaces );
}
$foreignTitle = $foreignTitleFactory->createForeignTitle( $text,
intval( $ns ) );
$title = $this->importTitleFactory->createTitleFromForeignTitle(
$foreignTitle );
$commandLineMode = $this->config->get( 'CommandLineMode' );
if ( is_null( $title ) ) {
# Invalid page title? Ignore the page
$this->notice( 'import-error-invalid', $foreignTitle->getFullText() );
return false;
} elseif ( $title->isExternal() ) {
$this->notice( 'import-error-interwiki', $title->getPrefixedText() );
return false;
} elseif ( !$title->canExist() ) {
$this->notice( 'import-error-special', $title->getPrefixedText() );
return false;
} elseif ( !$title->userCan( 'edit' ) && !$commandLineMode ) {
# Do not import if the importing wiki user cannot edit this page
$this->notice( 'import-error-edit', $title->getPrefixedText() );
return false;
} elseif ( !$title->exists() && !$title->userCan( 'create' ) && !$commandLineMode ) {
# Do not import if the importing wiki user cannot create this page
$this->notice( 'import-error-create', $title->getPrefixedText() );
return false;
}
return [ $title, $foreignTitle ];
}
}
Zerion Mini Shell 1.0