includes/api/ApiParse.php
<?php
/**
* Copyright © 2007 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
use MediaWiki\Cache\LinkBatchFactory;
use MediaWiki\Cache\LinkCache;
use MediaWiki\CommentFormatter\CommentFormatter;
use MediaWiki\Content\IContentHandlerFactory;
use MediaWiki\Content\Renderer\ContentRenderer;
use MediaWiki\Content\Transform\ContentTransformer;
use MediaWiki\EditPage\EditPage;
use MediaWiki\Language\RawMessage;
use MediaWiki\Languages\LanguageNameUtils;
use MediaWiki\Output\OutputPage;
use MediaWiki\Page\PageReference;
use MediaWiki\Page\WikiPageFactory;
use MediaWiki\Parser\Parser;
use MediaWiki\Parser\ParserOutput;
use MediaWiki\Parser\ParserOutputFlags;
use MediaWiki\PoolCounter\PoolCounterWorkViaCallback;
use MediaWiki\Request\FauxRequest;
use MediaWiki\Revision\RevisionLookup;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\SlotRecord;
use MediaWiki\Title\Title;
use MediaWiki\Title\TitleFormatter;
use MediaWiki\User\TempUser\TempUserCreator;
use MediaWiki\User\UserFactory;
use MediaWiki\Utils\UrlUtils;
use MediaWiki\WikiMap\WikiMap;
use Wikimedia\ParamValidator\ParamValidator;
use Wikimedia\ParamValidator\TypeDef\EnumDef;
/**
* @ingroup API
*/
class ApiParse extends ApiBase {
/** @var string|false|null */
private $section = null;
/** @var Content|null */
private $content = null;
/** @var Content|null */
private $pstContent = null;
/** @var bool */
private $contentIsDeleted = false, $contentIsSuppressed = false;
private RevisionLookup $revisionLookup;
private SkinFactory $skinFactory;
private LanguageNameUtils $languageNameUtils;
private LinkBatchFactory $linkBatchFactory;
private LinkCache $linkCache;
private IContentHandlerFactory $contentHandlerFactory;
private ParserFactory $parserFactory;
private WikiPageFactory $wikiPageFactory;
private ContentTransformer $contentTransformer;
private CommentFormatter $commentFormatter;
private ContentRenderer $contentRenderer;
private TempUserCreator $tempUserCreator;
private UserFactory $userFactory;
private UrlUtils $urlUtils;
private TitleFormatter $titleFormatter;
/**
* @param ApiMain $main
* @param string $action
* @param RevisionLookup $revisionLookup
* @param SkinFactory $skinFactory
* @param LanguageNameUtils $languageNameUtils
* @param LinkBatchFactory $linkBatchFactory
* @param LinkCache $linkCache
* @param IContentHandlerFactory $contentHandlerFactory
* @param ParserFactory $parserFactory
* @param WikiPageFactory $wikiPageFactory
* @param ContentRenderer $contentRenderer
* @param ContentTransformer $contentTransformer
* @param CommentFormatter $commentFormatter
* @param TempUserCreator $tempUserCreator
* @param UserFactory $userFactory
* @param UrlUtils $urlUtils
* @param TitleFormatter $titleFormatter
*/
public function __construct(
ApiMain $main,
$action,
RevisionLookup $revisionLookup,
SkinFactory $skinFactory,
LanguageNameUtils $languageNameUtils,
LinkBatchFactory $linkBatchFactory,
LinkCache $linkCache,
IContentHandlerFactory $contentHandlerFactory,
ParserFactory $parserFactory,
WikiPageFactory $wikiPageFactory,
ContentRenderer $contentRenderer,
ContentTransformer $contentTransformer,
CommentFormatter $commentFormatter,
TempUserCreator $tempUserCreator,
UserFactory $userFactory,
UrlUtils $urlUtils,
TitleFormatter $titleFormatter
) {
parent::__construct( $main, $action );
$this->revisionLookup = $revisionLookup;
$this->skinFactory = $skinFactory;
$this->languageNameUtils = $languageNameUtils;
$this->linkBatchFactory = $linkBatchFactory;
$this->linkCache = $linkCache;
$this->contentHandlerFactory = $contentHandlerFactory;
$this->parserFactory = $parserFactory;
$this->wikiPageFactory = $wikiPageFactory;
$this->contentRenderer = $contentRenderer;
$this->contentTransformer = $contentTransformer;
$this->commentFormatter = $commentFormatter;
$this->tempUserCreator = $tempUserCreator;
$this->userFactory = $userFactory;
$this->urlUtils = $urlUtils;
$this->titleFormatter = $titleFormatter;
}
private function getPoolKey(): string {
$poolKey = WikiMap::getCurrentWikiDbDomain() . ':ApiParse:';
if ( !$this->getUser()->isRegistered() ) {
$poolKey .= 'a:' . $this->getUser()->getName();
} else {
$poolKey .= 'u:' . $this->getUser()->getId();
}
return $poolKey;
}
private function getContentParserOutput(
Content $content,
PageReference $page,
?RevisionRecord $revision,
ParserOptions $popts
) {
$worker = new PoolCounterWorkViaCallback( 'ApiParser', $this->getPoolKey(),
[
'doWork' => function () use ( $content, $page, $revision, $popts ) {
return $this->contentRenderer->getParserOutput(
$content, $page, $revision, $popts
);
},
'error' => function () {
$this->dieWithError( 'apierror-concurrency-limit' );
},
]
);
return $worker->execute();
}
private function getUserForPreview() {
$user = $this->getUser();
if ( $this->tempUserCreator->shouldAutoCreate( $user, 'edit' ) ) {
return $this->userFactory->newUnsavedTempUser(
$this->tempUserCreator->getStashedName( $this->getRequest()->getSession() )
);
}
return $user;
}
private function getPageParserOutput(
WikiPage $page,
$revId,
ParserOptions $popts,
bool $suppressCache
) {
$worker = new PoolCounterWorkViaCallback( 'ApiParser', $this->getPoolKey(),
[
'doWork' => static function () use ( $page, $revId, $popts, $suppressCache ) {
return $page->getParserOutput( $popts, $revId, $suppressCache );
},
'error' => function () {
$this->dieWithError( 'apierror-concurrency-limit' );
},
]
);
return $worker->execute();
}
public function execute() {
// The data is hot but user-dependent, like page views, so we set vary cookies
$this->getMain()->setCacheMode( 'anon-public-user-private' );
// Get parameters
$params = $this->extractRequestParams();
// No easy way to say that text and title or revid are allowed together
// while the rest aren't, so just do it in three calls.
$this->requireMaxOneParameter( $params, 'page', 'pageid', 'oldid', 'text' );
$this->requireMaxOneParameter( $params, 'page', 'pageid', 'oldid', 'title' );
$this->requireMaxOneParameter( $params, 'page', 'pageid', 'oldid', 'revid' );
$text = $params['text'];
$title = $params['title'];
if ( $title === null ) {
$titleProvided = false;
// A title is needed for parsing, so arbitrarily choose one
$title = 'API';
} else {
$titleProvided = true;
}
$page = $params['page'];
$pageid = $params['pageid'];
$oldid = $params['oldid'];
$prop = array_fill_keys( $params['prop'], true );
if ( isset( $params['section'] ) ) {
$this->section = $params['section'];
if ( !preg_match( '/^((T-)?\d+|new)$/', $this->section ) ) {
$this->dieWithError( 'apierror-invalidsection' );
}
} else {
$this->section = false;
}
// The parser needs $wgTitle to be set, apparently the
// $title parameter in Parser::parse isn't enough *sigh*
// TODO: Does this still need $wgTitle?
global $wgTitle;
$format = null;
$redirValues = null;
$needContent = isset( $prop['wikitext'] ) ||
isset( $prop['parsetree'] ) || $params['generatexml'];
// Return result
$result = $this->getResult();
if ( $oldid !== null || $pageid !== null || $page !== null ) {
if ( $this->section === 'new' ) {
$this->dieWithError( 'apierror-invalidparammix-parse-new-section', 'invalidparammix' );
}
if ( $oldid !== null ) {
// Don't use the parser cache
$rev = $this->revisionLookup->getRevisionById( $oldid );
if ( !$rev ) {
$this->dieWithError( [ 'apierror-nosuchrevid', $oldid ] );
}
$this->checkTitleUserPermissions( $rev->getPage(), 'read' );
if ( !$rev->userCan( RevisionRecord::DELETED_TEXT, $this->getAuthority() ) ) {
$this->dieWithError(
[ 'apierror-permissiondenied', $this->msg( 'action-deletedtext' ) ]
);
}
$revLinkTarget = $rev->getPageAsLinkTarget();
$titleObj = Title::newFromLinkTarget( $revLinkTarget );
$wgTitle = $titleObj;
$pageObj = $this->wikiPageFactory->newFromTitle( $titleObj );
[ $popts, $reset, $suppressCache ] = $this->makeParserOptions( $pageObj, $params );
$p_result = $this->getParsedContent(
$pageObj, $popts, $suppressCache, $pageid, $rev, $needContent
);
} else { // Not $oldid, but $pageid or $page
if ( $params['redirects'] ) {
$reqParams = [
'redirects' => '',
];
$pageParams = [];
if ( $pageid !== null ) {
$reqParams['pageids'] = $pageid;
$pageParams['pageid'] = $pageid;
} else { // $page
$reqParams['titles'] = $page;
$pageParams['title'] = $page;
}
$req = new FauxRequest( $reqParams );
$main = new ApiMain( $req );
$pageSet = new ApiPageSet( $main );
$pageSet->execute();
$redirValues = $pageSet->getRedirectTitlesAsResult( $this->getResult() );
foreach ( $pageSet->getRedirectTargets() as $redirectTarget ) {
$pageParams = [ 'title' => $this->titleFormatter->getFullText( $redirectTarget ) ];
}
} elseif ( $pageid !== null ) {
$pageParams = [ 'pageid' => $pageid ];
} else { // $page
$pageParams = [ 'title' => $page ];
}
$pageObj = $this->getTitleOrPageId( $pageParams, 'fromdb' );
$titleObj = $pageObj->getTitle();
if ( !$titleObj->exists() ) {
$this->dieWithError( 'apierror-missingtitle' );
}
$this->checkTitleUserPermissions( $titleObj, 'read' );
$wgTitle = $titleObj;
if ( isset( $prop['revid'] ) ) {
$oldid = $pageObj->getLatest();
}
[ $popts, $reset, $suppressCache ] = $this->makeParserOptions( $pageObj, $params );
$p_result = $this->getParsedContent(
$pageObj, $popts, $suppressCache, $pageid, null, $needContent
);
}
} else { // Not $oldid, $pageid, $page. Hence based on $text
$model = $params['contentmodel'];
$format = $params['contentformat'];
$titleObj = Title::newFromText( $title );
if ( !$titleObj || $titleObj->isExternal() ) {
$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $title ) ] );
}
$revid = $params['revid'];
$rev = null;
if ( $revid !== null ) {
$rev = $this->revisionLookup->getRevisionById( $revid );
if ( !$rev ) {
$this->dieWithError( [ 'apierror-nosuchrevid', $revid ] );
}
$pTitleObj = $titleObj;
$titleObj = Title::newFromLinkTarget( $rev->getPageAsLinkTarget() );
if ( $titleProvided ) {
if ( !$titleObj->equals( $pTitleObj ) ) {
$this->addWarning( [ 'apierror-revwrongpage', $rev->getId(),
wfEscapeWikiText( $pTitleObj->getPrefixedText() ) ] );
}
} else {
// Consider the title derived from the revid as having
// been provided.
$titleProvided = true;
}
}
$wgTitle = $titleObj;
if ( $titleObj->canExist() ) {
$pageObj = $this->wikiPageFactory->newFromTitle( $titleObj );
[ $popts, $reset ] = $this->makeParserOptions( $pageObj, $params );
} else {
// Allow parsing wikitext in the context of special pages (T51477)
$pageObj = null;
$popts = ParserOptions::newFromContext( $this->getContext() );
[ $popts, $reset ] = $this->tweakParserOptions( $popts, $titleObj, $params );
}
$textProvided = $text !== null;
if ( !$textProvided ) {
if ( $titleProvided && ( $prop || $params['generatexml'] ) ) {
if ( $revid !== null ) {
$this->addWarning( 'apiwarn-parse-revidwithouttext' );
} else {
$this->addWarning( 'apiwarn-parse-titlewithouttext' );
}
}
// Prevent warning from ContentHandler::makeContent()
$text = '';
}
// If we are parsing text, do not use the content model of the default
// API title, but default to wikitext to keep BC.
if ( $textProvided && !$titleProvided && $model === null ) {
$model = CONTENT_MODEL_WIKITEXT;
$this->addWarning( [ 'apiwarn-parse-nocontentmodel', $model ] );
} elseif ( $model === null ) {
$model = $titleObj->getContentModel();
}
$contentHandler = $this->contentHandlerFactory->getContentHandler( $model );
// Not in the default format, check supported or not
if ( $format && !$contentHandler->isSupportedFormat( $format ) ) {
$this->dieWithError( [ 'apierror-badformat-generic', $format, $model ] );
}
try {
$this->content = $contentHandler->unserializeContent( $text, $format );
} catch ( MWContentSerializationException $ex ) {
$this->dieWithException( $ex, [
'wrap' => ApiMessage::create( 'apierror-contentserializationexception', 'parseerror' )
] );
}
if ( $this->section !== false ) {
if ( $this->section === 'new' ) {
// Insert the section title above the content.
if ( $params['sectiontitle'] !== null ) {
$this->content = $this->content->addSectionHeader( $params['sectiontitle'] );
}
} else {
$this->content = $this->getSectionContent( $this->content, $titleObj->getPrefixedText() );
}
}
if ( $params['pst'] || $params['onlypst'] ) {
$this->pstContent = $this->contentTransformer->preSaveTransform(
$this->content,
$titleObj,
$this->getUserForPreview(),
$popts
);
}
if ( $params['onlypst'] ) {
// Build a result and bail out
$result_array = [];
$result_array['text'] = $this->pstContent->serialize( $format );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'text';
if ( isset( $prop['wikitext'] ) ) {
$result_array['wikitext'] = $this->content->serialize( $format );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'wikitext';
}
if ( $params['summary'] !== null ||
( $params['sectiontitle'] !== null && $this->section === 'new' )
) {
$result_array['parsedsummary'] = $this->formatSummary( $titleObj, $params );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'parsedsummary';
}
$result->addValue( null, $this->getModuleName(), $result_array );
return;
}
// Not cached (save or load)
if ( $params['pst'] ) {
$p_result = $this->getContentParserOutput( $this->pstContent, $titleObj, $rev, $popts );
} else {
$p_result = $this->getContentParserOutput( $this->content, $titleObj, $rev, $popts );
}
}
$result_array = [];
$result_array['title'] = $titleObj->getPrefixedText();
$result_array['pageid'] = $pageid ?: $titleObj->getArticleID();
if ( $this->contentIsDeleted ) {
$result_array['textdeleted'] = true;
}
if ( $this->contentIsSuppressed ) {
$result_array['textsuppressed'] = true;
}
if ( isset( $params['useskin'] ) ) {
$skin = $this->skinFactory->makeSkin( Skin::normalizeKey( $params['useskin'] ) );
} else {
$skin = null;
}
$outputPage = null;
$context = null;
if (
$skin || isset( $prop['subtitle'] ) || isset( $prop['headhtml'] ) || isset( $prop['categorieshtml'] ) ||
isset( $params['mobileformat'] )
) {
// Enabling the skin via 'useskin', 'subtitle', 'headhtml', or 'categorieshtml'
// gets OutputPage and Skin involved, which (among others) applies
// these hooks:
// - Hook: LanguageLinks
// - Hook: SkinSubPageSubtitle
// - Hook: OutputPageParserOutput
// - Hook: OutputPageMakeCategoryLinks
// - Hook: OutputPageBeforeHTML
// HACK Adding the 'mobileformat' parameter *also* enables the skin, for compatibility with legacy
// apps. This behavior should be considered deprecated so new users should not rely on this and
// always use the "useskin" parameter to enable "skin mode".
// Ideally this would be done with another hook so that MobileFrontend could enable skin mode, but
// as this is just for a deprecated feature, we are hard-coding this param into core.
$context = new DerivativeContext( $this->getContext() );
$context->setTitle( $titleObj );
if ( $pageObj ) {
$context->setWikiPage( $pageObj );
}
// Some hooks only apply to pages when action=view, which this API
// call is simulating.
$context->setRequest( new FauxRequest( [ 'action' => 'view' ] ) );
if ( $skin ) {
// Use the skin specified by 'useskin'
$context->setSkin( $skin );
// Context clones the skin, refetch to stay in sync. (T166022)
$skin = $context->getSkin();
} else {
// Make sure the context's skin refers to the context. Without this,
// $outputPage->getSkin()->getOutput() !== $outputPage which
// confuses some of the output.
$context->setSkin( $context->getSkin() );
}
$outputPage = new OutputPage( $context );
// Required for subtitle to appear
$outputPage->setArticleFlag( true );
$outputPage->addParserOutputMetadata( $p_result );
if ( $this->content ) {
$outputPage->addContentOverride( $titleObj, $this->content );
}
$context->setOutput( $outputPage );
if ( $skin ) {
// Based on OutputPage::output()
$outputPage->loadSkinModules( $skin );
}
$this->getHookRunner()->onApiParseMakeOutputPage( $this, $outputPage );
}
if ( $oldid !== null ) {
$result_array['revid'] = (int)$oldid;
}
if ( $params['redirects'] && $redirValues !== null ) {
$result_array['redirects'] = $redirValues;
}
if ( isset( $prop['text'] ) ) {
$skin = $context ? $context->getSkin() : null;
$skinOptions = $skin ? $skin->getOptions() : [
'toc' => true,
];
$result_array['text'] = $p_result->getText( [
'allowTOC' => !$params['disabletoc'],
'injectTOC' => $skinOptions['toc'],
'enableSectionEditLinks' => !$params['disableeditsection'],
'wrapperDivClass' => $params['wrapoutputclass'],
'deduplicateStyles' => !$params['disablestylededuplication'],
'userLang' => $context ? $context->getLanguage() : null,
'skin' => $skin,
'includeDebugInfo' => !$params['disablepp'] && !$params['disablelimitreport']
] );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'text';
if ( $context ) {
$this->getHookRunner()->onOutputPageBeforeHTML( $context->getOutput(), $result_array['text'] );
}
}
if ( $params['summary'] !== null ||
( $params['sectiontitle'] !== null && $this->section === 'new' )
) {
$result_array['parsedsummary'] = $this->formatSummary( $titleObj, $params );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'parsedsummary';
}
if ( isset( $prop['langlinks'] ) ) {
if ( $skin ) {
$langlinks = $outputPage->getLanguageLinks();
} else {
$langlinks = $p_result->getLanguageLinks();
// The deprecated 'effectivelanglinks' option depredates OutputPage
// support via 'useskin'. If not already applied, then run just this
// one hook of OutputPage::addParserOutputMetadata here.
if ( $params['effectivelanglinks'] ) {
$linkFlags = [];
$this->getHookRunner()->onLanguageLinks( $titleObj, $langlinks, $linkFlags );
}
}
$result_array['langlinks'] = $this->formatLangLinks( $langlinks );
}
if ( isset( $prop['categories'] ) ) {
$result_array['categories'] = $this->formatCategoryLinks( $p_result->getCategoryMap() );
}
if ( isset( $prop['categorieshtml'] ) ) {
$result_array['categorieshtml'] = $outputPage->getSkin()->getCategories();
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'categorieshtml';
}
if ( isset( $prop['links'] ) ) {
$result_array['links'] = $this->formatLinks( $p_result->getLinks() );
}
if ( isset( $prop['templates'] ) ) {
$result_array['templates'] = $this->formatLinks( $p_result->getTemplates() );
}
if ( isset( $prop['images'] ) ) {
// Cast image links to string since PHP coerces numeric string array keys to numbers
// (T346265).
$result_array['images'] = array_map(
fn ( $link ) => (string)$link,
array_keys( $p_result->getImages() )
);
}
if ( isset( $prop['externallinks'] ) ) {
$result_array['externallinks'] = array_keys( $p_result->getExternalLinks() );
}
if ( isset( $prop['sections'] ) ) {
$result_array['sections'] = $p_result->getSections();
$result_array['showtoc'] = $p_result->getOutputFlag( ParserOutputFlags::SHOW_TOC );
}
if ( isset( $prop['parsewarnings'] ) ) {
$result_array['parsewarnings'] = $p_result->getWarnings();
}
if ( isset( $prop['parsewarningshtml'] ) ) {
$warnings = $p_result->getWarnings();
$warningsHtml = array_map( static function ( $warning ) {
return ( new RawMessage( '$1', [ $warning ] ) )->parse();
}, $warnings );
$result_array['parsewarningshtml'] = $warningsHtml;
}
if ( isset( $prop['displaytitle'] ) ) {
$result_array['displaytitle'] = $p_result->getDisplayTitle() !== false
? $p_result->getDisplayTitle()
: htmlspecialchars( $titleObj->getPrefixedText(), ENT_NOQUOTES );
}
if ( isset( $prop['subtitle'] ) ) {
// Get the subtitle without its container element to support UI refreshing
$result_array['subtitle'] = $context->getSkin()->prepareSubtitle( false );
}
if ( isset( $prop['headitems'] ) ) {
if ( $skin ) {
$result_array['headitems'] = $this->formatHeadItems( $outputPage->getHeadItemsArray() );
} else {
$result_array['headitems'] = $this->formatHeadItems( $p_result->getHeadItems() );
}
}
if ( isset( $prop['headhtml'] ) ) {
$result_array['headhtml'] = $outputPage->headElement( $context->getSkin() );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'headhtml';
}
if ( isset( $prop['modules'] ) ) {
if ( $skin ) {
$result_array['modules'] = $outputPage->getModules();
// Deprecated since 1.32 (T188689)
$result_array['modulescripts'] = [];
$result_array['modulestyles'] = $outputPage->getModuleStyles();
} else {
$result_array['modules'] = array_values( array_unique( $p_result->getModules() ) );
// Deprecated since 1.32 (T188689)
$result_array['modulescripts'] = [];
$result_array['modulestyles'] = array_values( array_unique( $p_result->getModuleStyles() ) );
}
}
if ( isset( $prop['jsconfigvars'] ) ) {
$showStrategyKeys = (bool)( $params['showstrategykeys'] );
$jsconfigvars = $skin ? $outputPage->getJsConfigVars() : $p_result->getJsConfigVars( $showStrategyKeys );
$result_array['jsconfigvars'] = ApiResult::addMetadataToResultVars( $jsconfigvars );
}
if ( isset( $prop['encodedjsconfigvars'] ) ) {
$jsconfigvars = $skin ? $outputPage->getJsConfigVars() : $p_result->getJsConfigVars();
$result_array['encodedjsconfigvars'] = FormatJson::encode(
$jsconfigvars,
false,
FormatJson::ALL_OK
);
$result_array[ApiResult::META_SUBELEMENTS][] = 'encodedjsconfigvars';
}
if ( isset( $prop['modules'] ) &&
!isset( $prop['jsconfigvars'] ) && !isset( $prop['encodedjsconfigvars'] ) ) {
$this->addWarning( 'apiwarn-moduleswithoutvars' );
}
if ( isset( $prop['indicators'] ) ) {
if ( $skin ) {
$result_array['indicators'] = $outputPage->getIndicators();
} else {
$result_array['indicators'] = $p_result->getIndicators();
}
ApiResult::setArrayType( $result_array['indicators'], 'BCkvp', 'name' );
}
if ( isset( $prop['iwlinks'] ) ) {
$result_array['iwlinks'] = $this->formatIWLinks( $p_result->getInterwikiLinks() );
}
if ( isset( $prop['wikitext'] ) ) {
$result_array['wikitext'] = $this->content->serialize( $format );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'wikitext';
// @phan-suppress-next-line PhanImpossibleTypeComparison
if ( $this->pstContent !== null ) {
$result_array['psttext'] = $this->pstContent->serialize( $format );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'psttext';
}
}
if ( isset( $prop['properties'] ) ) {
$result_array['properties'] = $p_result->getPageProperties();
ApiResult::setArrayType( $result_array['properties'], 'BCkvp', 'name' );
}
if ( isset( $prop['limitreportdata'] ) ) {
$result_array['limitreportdata'] =
$this->formatLimitReportData( $p_result->getLimitReportData() );
}
if ( isset( $prop['limitreporthtml'] ) ) {
$result_array['limitreporthtml'] = EditPage::getPreviewLimitReport( $p_result );
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'limitreporthtml';
}
if ( isset( $prop['parsetree'] ) || $params['generatexml'] ) {
if ( $this->content->getModel() != CONTENT_MODEL_WIKITEXT ) {
$this->dieWithError( 'apierror-parsetree-notwikitext', 'notwikitext' );
}
$parser = $this->parserFactory->getInstance();
$parser->startExternalParse( $titleObj, $popts, Parser::OT_PREPROCESS );
// @phan-suppress-next-line PhanUndeclaredMethod
$xml = $parser->preprocessToDom( $this->content->getText() )->__toString();
$result_array['parsetree'] = $xml;
$result_array[ApiResult::META_BC_SUBELEMENTS][] = 'parsetree';
}
$result_mapping = [
'redirects' => 'r',
'langlinks' => 'll',
'categories' => 'cl',
'links' => 'pl',
'templates' => 'tl',
'images' => 'img',
'externallinks' => 'el',
'iwlinks' => 'iw',
'sections' => 's',
'headitems' => 'hi',
'modules' => 'm',
'indicators' => 'ind',
'modulescripts' => 'm',
'modulestyles' => 'm',
'properties' => 'pp',
'limitreportdata' => 'lr',
'parsewarnings' => 'pw',
'parsewarningshtml' => 'pw',
];
$this->setIndexedTagNames( $result_array, $result_mapping );
$result->addValue( null, $this->getModuleName(), $result_array );
}
/**
* Constructs a ParserOptions object
*
* @param WikiPage $pageObj
* @param array $params
*
* @return array [ ParserOptions, ScopedCallback, bool $suppressCache ]
*/
private function makeParserOptions( WikiPage $pageObj, array $params ) {
$popts = $pageObj->makeParserOptions( $this->getContext() );
$popts->setRenderReason( 'api-parse' );
return $this->tweakParserOptions( $popts, $pageObj->getTitle(), $params );
}
/**
* Tweaks a ParserOptions object
*
* @param ParserOptions $popts
* @param Title $title
* @param array $params
*
* @return array [ ParserOptions, ScopedCallback, bool $suppressCache ]
*/
private function tweakParserOptions( ParserOptions $popts, Title $title, array $params ) {
$popts->setIsPreview( $params['preview'] || $params['sectionpreview'] );
$popts->setIsSectionPreview( $params['sectionpreview'] );
if ( $params['wrapoutputclass'] !== '' ) {
$popts->setWrapOutputClass( $params['wrapoutputclass'] );
}
if ( $params['parsoid'] ) {
$popts->setUseParsoid();
}
$reset = null;
$suppressCache = false;
$this->getHookRunner()->onApiMakeParserOptions( $popts, $title,
$params, $this, $reset, $suppressCache );
return [ $popts, $reset, $suppressCache ];
}
/**
* @param WikiPage $page
* @param ParserOptions $popts
* @param bool $suppressCache
* @param int $pageId
* @param RevisionRecord|null $rev
* @param bool $getContent
* @return ParserOutput
*/
private function getParsedContent(
WikiPage $page, $popts, $suppressCache, $pageId, $rev, $getContent
) {
$revId = $rev ? $rev->getId() : null;
$isDeleted = $rev && $rev->isDeleted( RevisionRecord::DELETED_TEXT );
if ( $getContent || $this->section !== false || $isDeleted ) {
if ( $rev ) {
$this->content = $rev->getContent(
SlotRecord::MAIN, RevisionRecord::FOR_THIS_USER, $this->getAuthority()
);
if ( !$this->content ) {
$this->dieWithError( [ 'apierror-missingcontent-revid', $revId ] );
}
} else {
$this->content = $page->getContent( RevisionRecord::FOR_THIS_USER, $this->getAuthority() );
if ( !$this->content ) {
$this->dieWithError( [ 'apierror-missingcontent-pageid', $page->getId() ] );
}
}
$this->contentIsDeleted = $isDeleted;
$this->contentIsSuppressed = $rev &&
$rev->isDeleted( RevisionRecord::DELETED_TEXT | RevisionRecord::DELETED_RESTRICTED );
}
if ( $this->section !== false ) {
$this->content = $this->getSectionContent(
$this->content,
$pageId === null ? $page->getTitle()->getPrefixedText() : $this->msg( 'pageid', $pageId )
);
return $this->getContentParserOutput(
$this->content, $page->getTitle(),
$rev,
$popts
);
}
if ( $isDeleted ) {
// getParserOutput can't do revdeled revisions
$pout = $this->getContentParserOutput(
$this->content, $page->getTitle(),
$rev,
$popts
);
} else {
// getParserOutput will save to Parser cache if able
$pout = $this->getPageParserOutput( $page, $revId, $popts, $suppressCache );
}
if ( !$pout ) {
// @codeCoverageIgnoreStart
$this->dieWithError( [ 'apierror-nosuchrevid', $revId ?: $page->getLatest() ] );
// @codeCoverageIgnoreEnd
}
return $pout;
}
/**
* Extract the requested section from the given Content
*
* @param Content $content
* @param string|Message $what Identifies the content in error messages, e.g. page title.
* @return Content
*/
private function getSectionContent( Content $content, $what ) {
// Not cached (save or load)
$section = $content->getSection( $this->section );
if ( $section === false ) {
$this->dieWithError( [ 'apierror-nosuchsection-what', $this->section, $what ], 'nosuchsection' );
}
if ( $section === null ) {
$this->dieWithError( [ 'apierror-sectionsnotsupported-what', $what ], 'nosuchsection' );
}
// @phan-suppress-next-line PhanTypeMismatchReturnNullable T240141
return $section;
}
/**
* This mimics the behavior of EditPage in formatting a summary
*
* @param Title $title of the page being parsed
* @param array $params The API parameters of the request
* @return string HTML
*/
private function formatSummary( $title, $params ) {
$summary = $params['summary'] ?? '';
$sectionTitle = $params['sectiontitle'] ?? '';
if ( $this->section === 'new' && ( $sectionTitle === '' || $summary === '' ) ) {
if ( $sectionTitle !== '' ) {
$summary = $params['sectiontitle'];
}
if ( $summary !== '' ) {
$summary = $this->msg( 'newsectionsummary' )
->rawParams( $this->parserFactory->getMainInstance()->stripSectionName( $summary ) )
->inContentLanguage()->text();
}
}
return $this->commentFormatter->format( $summary, $title, $this->section === 'new' );
}
private function formatLangLinks( $links ) {
$result = [];
foreach ( $links as $link ) {
$entry = [];
$bits = explode( ':', $link, 2 );
$title = Title::newFromText( $link );
$entry['lang'] = $bits[0];
if ( $title ) {
$entry['url'] = (string)$this->urlUtils->expand( $title->getFullURL(), PROTO_CURRENT );
// localised language name in 'uselang' language
$entry['langname'] = $this->languageNameUtils->getLanguageName(
$title->getInterwiki(),
$this->getLanguage()->getCode()
);
// native language name
$entry['autonym'] = $this->languageNameUtils->getLanguageName( $title->getInterwiki() );
}
ApiResult::setContentValue( $entry, 'title', $bits[1] );
$result[] = $entry;
}
return $result;
}
private function formatCategoryLinks( $links ) {
$result = [];
if ( !$links ) {
return $result;
}
// Fetch hiddencat property
$lb = $this->linkBatchFactory->newLinkBatch();
$lb->setArray( [ NS_CATEGORY => $links ] );
$db = $this->getDB();
$res = $db->newSelectQueryBuilder()
->select( [ 'page_title', 'pp_propname' ] )
->from( 'page' )
->where( $lb->constructSet( 'page', $db ) )
->leftJoin( 'page_props', null, [ 'pp_propname' => 'hiddencat', 'pp_page = page_id' ] )
->caller( __METHOD__ )
->fetchResultSet();
$hiddencats = [];
foreach ( $res as $row ) {
$hiddencats[$row->page_title] = isset( $row->pp_propname );
}
foreach ( $links as $link => $sortkey ) {
$entry = [];
$entry['sortkey'] = $sortkey;
// array keys will cast numeric category names to ints, so cast back to string
ApiResult::setContentValue( $entry, 'category', (string)$link );
if ( !isset( $hiddencats[$link] ) ) {
$entry['missing'] = true;
// We already know the link doesn't exist in the database, so
// tell LinkCache that before calling $title->isKnown().
$title = Title::makeTitle( NS_CATEGORY, $link );
$this->linkCache->addBadLinkObj( $title );
if ( $title->isKnown() ) {
$entry['known'] = true;
}
} elseif ( $hiddencats[$link] ) {
$entry['hidden'] = true;
}
$result[] = $entry;
}
return $result;
}
private function formatLinks( $links ) {
$result = [];
foreach ( $links as $ns => $nslinks ) {
foreach ( $nslinks as $title => $id ) {
$entry = [];
$entry['ns'] = $ns;
ApiResult::setContentValue( $entry, 'title', Title::makeTitle( $ns, $title )->getFullText() );
$entry['exists'] = $id != 0;
$result[] = $entry;
}
}
return $result;
}
private function formatIWLinks( $iw ) {
$result = [];
foreach ( $iw as $prefix => $titles ) {
foreach ( $titles as $title => $_ ) {
$entry = [];
$entry['prefix'] = $prefix;
$title = Title::newFromText( "{$prefix}:{$title}" );
if ( $title ) {
$entry['url'] = (string)$this->urlUtils->expand( $title->getFullURL(), PROTO_CURRENT );
}
ApiResult::setContentValue( $entry, 'title', $title->getFullText() );
$result[] = $entry;
}
}
return $result;
}
private function formatHeadItems( $headItems ) {
$result = [];
foreach ( $headItems as $tag => $content ) {
$entry = [];
$entry['tag'] = $tag;
ApiResult::setContentValue( $entry, 'content', $content );
$result[] = $entry;
}
return $result;
}
private function formatLimitReportData( $limitReportData ) {
$result = [];
foreach ( $limitReportData as $name => $value ) {
$entry = [];
$entry['name'] = $name;
if ( !is_array( $value ) ) {
$value = [ $value ];
}
ApiResult::setIndexedTagNameRecursive( $value, 'param' );
$entry = array_merge( $entry, $value );
$result[] = $entry;
}
return $result;
}
private function setIndexedTagNames( &$array, $mapping ) {
foreach ( $mapping as $key => $name ) {
if ( isset( $array[$key] ) ) {
ApiResult::setIndexedTagName( $array[$key], $name );
}
}
}
public function getAllowedParams() {
return [
'title' => null,
'text' => [
ParamValidator::PARAM_TYPE => 'text',
],
'revid' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'summary' => null,
'page' => null,
'pageid' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'redirects' => false,
'oldid' => [
ParamValidator::PARAM_TYPE => 'integer',
],
'prop' => [
ParamValidator::PARAM_DEFAULT => 'text|langlinks|categories|links|templates|' .
'images|externallinks|sections|revid|displaytitle|iwlinks|' .
'properties|parsewarnings',
ParamValidator::PARAM_ISMULTI => true,
ParamValidator::PARAM_TYPE => [
'text',
'langlinks',
'categories',
'categorieshtml',
'links',
'templates',
'images',
'externallinks',
'sections',
'revid',
'displaytitle',
'subtitle',
'headhtml',
'modules',
'jsconfigvars',
'encodedjsconfigvars',
'indicators',
'iwlinks',
'wikitext',
'properties',
'limitreportdata',
'limitreporthtml',
'parsetree',
'parsewarnings',
'parsewarningshtml',
'headitems',
],
ApiBase::PARAM_HELP_MSG_PER_VALUE => [
'parsetree' => [ 'apihelp-parse-paramvalue-prop-parsetree', CONTENT_MODEL_WIKITEXT ],
],
EnumDef::PARAM_DEPRECATED_VALUES => [
'headitems' => 'apiwarn-deprecation-parse-headitems',
],
],
'wrapoutputclass' => 'mw-parser-output',
'parsoid' => false, // since 1.41
'pst' => false,
'onlypst' => false,
'effectivelanglinks' => [
ParamValidator::PARAM_DEFAULT => false,
ParamValidator::PARAM_DEPRECATED => true,
],
'section' => null,
'sectiontitle' => [
ParamValidator::PARAM_TYPE => 'string',
],
'disablepp' => [
ParamValidator::PARAM_DEFAULT => false,
ParamValidator::PARAM_DEPRECATED => true,
],
'disablelimitreport' => false,
'disableeditsection' => false,
'disablestylededuplication' => false,
'showstrategykeys' => false,
'generatexml' => [
ParamValidator::PARAM_DEFAULT => false,
ApiBase::PARAM_HELP_MSG => [
'apihelp-parse-param-generatexml', CONTENT_MODEL_WIKITEXT
],
ParamValidator::PARAM_DEPRECATED => true,
],
'preview' => false,
'sectionpreview' => false,
'disabletoc' => false,
'useskin' => [
// T237856; We use all installed skins here to allow hidden (but usable) skins
// to continue working correctly with some features such as Live Preview
ParamValidator::PARAM_TYPE => array_keys( $this->skinFactory->getInstalledSkins() ),
],
'contentformat' => [
ParamValidator::PARAM_TYPE => $this->contentHandlerFactory->getAllContentFormats(),
],
'contentmodel' => [
ParamValidator::PARAM_TYPE => $this->contentHandlerFactory->getContentModels(),
],
];
}
protected function getExamplesMessages() {
return [
'action=parse&page=Project:Sandbox'
=> 'apihelp-parse-example-page',
'action=parse&text={{Project:Sandbox}}&contentmodel=wikitext'
=> 'apihelp-parse-example-text',
'action=parse&text={{PAGENAME}}&title=Test'
=> 'apihelp-parse-example-texttitle',
'action=parse&summary=Some+[[link]]&prop='
=> 'apihelp-parse-example-summary',
];
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Parsing_wikitext';
}
}