mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-12-03 18:36:20 +00:00
8415d7f7bf
getDefaultMessageText() returns false when the message doesn't exist.
It was incorrectly treated as a string by this code.
Follow-up to 3ec5e04a37.
Change-Id: Ib94a30697bd20133e46cbd31c14caf5f0c4169dd
676 lines
22 KiB
PHP
676 lines
22 KiB
PHP
<?php
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/**
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* Parsoid/RESTBase+MediaWiki API wrapper.
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*
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* @file
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* @ingroup Extensions
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* @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
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* @license MIT
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*/
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use MediaWiki\Block\DatabaseBlock;
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use MediaWiki\Logger\LoggerFactory;
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use MediaWiki\MediaWikiServices;
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use MediaWiki\Revision\RevisionRecord;
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use Wikimedia\ParamValidator\ParamValidator;
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class ApiVisualEditor extends ApiBase {
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use ApiBlockInfoTrait;
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use ApiParsoidTrait;
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/**
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* @inheritDoc
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*/
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public function __construct( ApiMain $main, $name ) {
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parent::__construct( $main, $name );
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$this->setLogger( LoggerFactory::getInstance( 'VisualEditor' ) );
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}
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/**
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* Run wikitext through the parser's Pre-Save-Transform
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*
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* @param Title $title The title of the page to use as the parsing context
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* @param string $wikitext The wikitext to transform
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* @return string The transformed wikitext
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*/
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protected function pstWikitext( Title $title, $wikitext ) {
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return ContentHandler::makeContent( $wikitext, $title, CONTENT_MODEL_WIKITEXT )
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->preSaveTransform(
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$title,
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$this->getUser(),
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WikiPage::factory( $title )->makeParserOptions( $this->getContext() )
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)
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->serialize( 'text/x-wiki' );
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}
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/**
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* Provide the preload content for a page being created from another page
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*
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* @param string $preload The title of the page to use as the preload content
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* @param string[] $params The preloadTransform parameters to pass in, if any
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* @param Title $contextTitle The contextual page title against which to parse the preload
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* @return string Wikitext content
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*/
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protected function getPreloadContent( $preload, $params, Title $contextTitle ) {
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$content = '';
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$preloadTitle = Title::newFromText( $preload );
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// Check for existence to avoid getting MediaWiki:Noarticletext
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if (
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$preloadTitle instanceof Title &&
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$preloadTitle->exists() &&
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$this->getPermissionManager()->userCan( 'read', $this->getUser(), $preloadTitle )
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) {
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$preloadPage = WikiPage::factory( $preloadTitle );
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if ( $preloadPage->isRedirect() ) {
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$preloadTitle = $preloadPage->getRedirectTarget();
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$preloadPage = WikiPage::factory( $preloadTitle );
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}
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$content = $preloadPage->getContent( RevisionRecord::RAW );
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$parserOptions = ParserOptions::newFromUser( $this->getUser() );
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$content = $content->preloadTransform(
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$preloadTitle,
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$parserOptions,
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(array)$params
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)->serialize();
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}
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return $content;
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}
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/**
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* @inheritDoc
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* @suppress PhanPossiblyUndeclaredVariable False positives
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*/
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public function execute() {
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$user = $this->getUser();
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$params = $this->extractRequestParams();
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$permissionManager = $this->getPermissionManager();
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$title = Title::newFromText( $params['page'] );
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if ( $title && $title->isSpecial( 'CollabPad' ) ) {
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// Convert Special:CollabPad/MyPage to MyPage so we can parsefragment properly
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$title = SpecialCollabPad::getSubPage( $title );
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}
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if ( !$title ) {
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$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['page'] ) ] );
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}
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'@phan-var Title $title';
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$parserParams = [];
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if ( isset( $params['oldid'] ) ) {
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$parserParams['oldid'] = $params['oldid'];
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}
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wfDebugLog( 'visualeditor', "called on '$title' with paction: '{$params['paction']}'" );
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switch ( $params['paction'] ) {
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case 'parse':
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case 'wikitext':
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case 'metadata':
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// Dirty hack to provide the correct context for edit notices
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// FIXME Don't write to globals! Eww.
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global $wgTitle;
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$wgTitle = $title;
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RequestContext::getMain()->setTitle( $title );
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$preloaded = false;
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$restbaseHeaders = null;
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// Get information about current revision
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if ( $title->exists() ) {
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$revision = $this->getValidRevision( $title, $parserParams['oldid'] ?? null );
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$latestRevision = $this->getLatestRevision( $title );
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$restoring = !$revision->isCurrent();
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$baseTimestamp = $latestRevision->getTimestamp();
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$oldid = $revision->getId();
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// If requested, request HTML from Parsoid/RESTBase
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if ( $params['paction'] === 'parse' ) {
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$wikitext = $params['wikitext'] ?? null;
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if ( $wikitext !== null ) {
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$stash = $params['stash'];
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$section = $params['section'] ?? null;
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if ( $params['pst'] ) {
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$wikitext = $this->pstWikitext( $title, $wikitext );
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}
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if ( $section !== null ) {
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$sectionContent = new WikitextContent( $wikitext );
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$page = WikiPage::factory( $title );
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$newSectionContent = $page->replaceSectionAtRev(
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$section, $sectionContent, '', $oldid
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);
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'@phan-var WikitextContent $newSectionContent';
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$wikitext = $newSectionContent->getText();
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}
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$response = $this->transformWikitext(
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$title, $wikitext, false, $oldid, $stash
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);
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} else {
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$response = $this->requestRestbasePageHtml( $revision );
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}
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$content = $response['body'];
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$restbaseHeaders = $response['headers'];
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if ( $content === false ) {
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$this->dieWithError( 'apierror-visualeditor-docserver', 'docserver' );
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}
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} elseif ( $params['paction'] === 'wikitext' ) {
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$apiParams = [
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'action' => 'query',
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'revids' => $oldid,
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'prop' => 'revisions',
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'rvprop' => 'content|ids'
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];
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$section = $params['section'] ?? null;
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if ( $section === 'new' ) {
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$content = '';
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if ( !empty( $params['preload'] ) ) {
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$content = $this->getPreloadContent(
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$params['preload'], $params['preloadparams'], $title
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);
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$preloaded = true;
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}
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} else {
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$apiParams['rvsection'] = $section;
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$api = new ApiMain(
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new DerivativeRequest(
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$this->getRequest(),
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$apiParams,
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/* was posted? */ false
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),
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/* enable write? */ true
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);
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$api->execute();
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$result = $api->getResult()->getResultData();
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$pid = $title->getArticleID();
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$content = false;
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if ( isset( $result['query']['pages'][$pid]['revisions'] ) ) {
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foreach ( $result['query']['pages'][$pid]['revisions'] as $revArr ) {
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// Check 'revisions' is an array (T193718)
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if ( is_array( $revArr ) && $revArr['revid'] === $oldid ) {
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$content = $revArr['content'];
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}
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}
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}
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if ( $content === false ) {
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$this->dieWithError( 'apierror-visualeditor-docserver', 'docserver' );
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}
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}
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}
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} else {
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if ( isset( $params['wikitext'] ) ) {
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$content = $params['wikitext'];
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if ( $params['pst'] ) {
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$content = $this->pstWikitext( $title, $content );
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}
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} else {
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$content = '';
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if ( $title->getNamespace() == NS_MEDIAWIKI && $params['section'] !== 'new' ) {
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// If this is a system message, get the default text.
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$msg = $title->getDefaultMessageText();
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if ( $msg !== false ) {
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$content = $title->getDefaultMessageText();
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}
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}
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Hooks::run( 'EditFormPreloadText', [ &$content, &$title ] );
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if ( $content === '' && !empty( $params['preload'] ) ) {
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$content = $this->getPreloadContent(
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$params['preload'], $params['preloadparams'], $title
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);
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$preloaded = true;
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}
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}
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if ( $content !== '' && $params['paction'] !== 'wikitext' ) {
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$response = $this->transformWikitext( $title, $content, false, null, true );
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$content = $response['body'];
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$restbaseHeaders = $response['headers'];
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}
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$baseTimestamp = wfTimestampNow();
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$oldid = 0;
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$restoring = false;
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}
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// Get edit notices
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$notices = $title->getEditNotices();
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// Anonymous user notice
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if ( $user->isAnon() ) {
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$notices[] = $this->msg(
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'anoneditwarning',
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// Log-in link
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'{{fullurl:Special:UserLogin|returnto={{FULLPAGENAMEE}}}}',
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// Sign-up link
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'{{fullurl:Special:UserLogin/signup|returnto={{FULLPAGENAMEE}}}}'
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)->parseAsBlock();
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}
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// From EditPage#showCustomIntro
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if ( $params['editintro'] ) {
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$eiTitle = Title::newFromText( $params['editintro'] );
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if (
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$eiTitle instanceof Title &&
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$eiTitle->exists() &&
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$permissionManager->userCan( 'read', $user, $eiTitle )
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) {
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$notices[] = MediaWikiServices::getInstance()->getParser()->parse(
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'<div class="mw-editintro">{{:' . $eiTitle->getFullText() . '}}</div>',
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$title,
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new ParserOptions( $user )
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)->getText();
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}
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}
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// Old revision notice
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if ( $restoring ) {
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$notices[] = $this->msg( 'editingold' )->parseAsBlock();
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}
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if ( wfReadOnly() ) {
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$notices[] = $this->msg( 'readonlywarning', wfReadOnlyReason() );
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}
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// Edit notices about the page being protected (only used when we're allowed to edit it;
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// otherwise, a generic permission error is displayed via #getUserPermissionsErrors)
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$protectionNotices = [];
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// New page notices
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if ( !$title->exists() ) {
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$notices[] = $this->msg(
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$user->isLoggedIn() ? 'newarticletext' : 'newarticletextanon',
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wfExpandUrl( Skin::makeInternalOrExternalUrl(
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$this->msg( 'helppage' )->inContentLanguage()->text()
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) )
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)->parseAsBlock();
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// Page protected from creation
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if ( $title->getRestrictions( 'create' ) ) {
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$protectionNotices[] = $this->msg( 'titleprotectedwarning' )->parseAsBlock() .
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$this->getLastLogEntry( $title, 'protect' );
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}
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// From EditPage#showIntro, checking if the page has previously been deleted:
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$dbr = wfGetDB( DB_REPLICA );
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LogEventsList::showLogExtract( $out, [ 'delete', 'move' ], $title,
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'',
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[
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'lim' => 10,
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'conds' => [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ],
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'showIfEmpty' => false,
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'msgKey' => [ 'recreate-moveddeleted-warn' ]
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]
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);
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if ( $out ) {
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$notices[] = $out;
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}
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}
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// Look at protection status to set up notices + surface class(es)
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$protectedClasses = [];
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if (
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$permissionManager->getNamespaceRestrictionLevels( $title->getNamespace() ) !== [ '' ]
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) {
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// Page protected from editing
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if ( $title->isProtected( 'edit' ) ) {
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// Is the title semi-protected?
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if ( $title->isSemiProtected() ) {
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$protectedClasses[] = 'mw-textarea-sprotected';
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$noticeMsg = 'semiprotectedpagewarning';
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} else {
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$protectedClasses[] = 'mw-textarea-protected';
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// Then it must be protected based on static groups (regular)
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$noticeMsg = 'protectedpagewarning';
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}
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$protectionNotices[] = $this->msg( $noticeMsg )->parseAsBlock() .
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$this->getLastLogEntry( $title, 'protect' );
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}
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// Deal with cascading edit protection
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list( $sources, $restrictions ) = $title->getCascadeProtectionSources();
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if ( isset( $restrictions['edit'] ) ) {
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$protectedClasses[] = ' mw-textarea-cprotected';
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$notice = $this->msg( 'cascadeprotectedwarning', count( $sources ) )->parseAsBlock() . '<ul>';
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// Unfortunately there's no nice way to get only the pages which cause
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// editing to be restricted
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foreach ( $sources as $source ) {
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$notice .= "<li>" .
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MediaWikiServices::getInstance()->getLinkRenderer()->makeLink( $source ) .
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"</li>";
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}
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$notice .= '</ul>';
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$protectionNotices[] = $notice;
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}
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}
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// Simplified EditPage::getEditPermissionErrors()
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$permErrors = $permissionManager->getPermissionErrors( 'edit', $user, $title, 'full' );
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if ( !$title->exists() ) {
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$permErrors = array_merge(
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$permErrors,
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wfArrayDiff2(
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$permissionManager->getPermissionErrors( 'create', $user, $title, 'full' ),
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$permErrors
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)
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);
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}
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if ( $permErrors ) {
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// Show generic permission errors, including page protection, user blocks, etc.
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$notice = $this->getOutput()->formatPermissionsErrorMessage( $permErrors, 'edit' );
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// That method returns wikitext (eww), hack to get it parsed:
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$notice = ( new RawMessage( '$1', [ $notice ] ) )->parseAsBlock();
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$notices[] = $notice;
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} elseif ( $protectionNotices ) {
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// If we can edit, and the page is protected, then show the details about the protection
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$notices = array_merge( $notices, $protectionNotices );
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}
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// Will be false e.g. if user is blocked or page is protected
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$canEdit = !$permErrors;
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// Show notice when editing user / user talk page of a user that doesn't exist
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// or who is blocked
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// HACK of course this code is partly duplicated from EditPage.php :(
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if ( $title->getNamespace() == NS_USER || $title->getNamespace() == NS_USER_TALK ) {
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$parts = explode( '/', $title->getText(), 2 );
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$targetUsername = $parts[0];
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$targetUser = User::newFromName(
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$targetUsername,
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/* allow IP users*/ false
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);
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$block = $targetUser->getBlock();
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if (
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!( $targetUser && $targetUser->isLoggedIn() ) &&
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!User::isIP( $targetUsername )
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) {
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// User does not exist
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$notices[] = "<div class=\"mw-userpage-userdoesnotexist error\">\n" .
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$this->msg( 'userpage-userdoesnotexist', wfEscapeWikiText( $targetUsername ) )
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->parse() .
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"\n</div>";
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} elseif (
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$block !== null &&
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$block->getType() != DatabaseBlock::TYPE_AUTO &&
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( $block->isSitewide() || $targetUser->isBlockedFrom( $title ) )
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) {
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// Show log extract if the user is sitewide blocked or is partially
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// blocked and not allowed to edit their user page or user talk page
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$notices[] = $this->msg(
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'blocked-notice-logextract',
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// Support GENDER in notice
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$targetUser->getName()
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)->parseAsBlock() . $this->getLastLogEntry( $targetUser->getUserPage(), 'block' );
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}
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}
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$block = null;
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$blockinfo = null;
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// Blocked user notice
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if ( $user->isBlockedGlobally() ) {
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$block = $user->getGlobalBlock();
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} elseif ( $permissionManager->isBlockedFrom( $user, $title, true ) ) {
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$block = $user->getBlock();
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}
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if ( $block ) {
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// Already added to $notices via #getPermissionErrors above.
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// Add block info for MobileFrontend:
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$blockinfo = $this->getBlockDetails( $block );
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}
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// HACK: Build a fake EditPage so we can get checkboxes from it
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// Deliberately omitting ,0 so oldid comes from request
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$article = new Article( $title );
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$editPage = new EditPage( $article );
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$req = $this->getRequest();
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$req->setVal( 'format', $editPage->contentFormat );
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// By reference for some reason (T54466)
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$editPage->importFormData( $req );
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$states = [
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'minor' => $user->getOption( 'minordefault' ) && $title->exists(),
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'watch' => $user->getOption( 'watchdefault' ) ||
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( $user->getOption( 'watchcreations' ) && !$title->exists() ) ||
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$user->isWatched( $title ),
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];
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$checkboxesDef = $editPage->getCheckboxesDefinition( $states );
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$checkboxesMessagesList = [];
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foreach ( $checkboxesDef as $name => &$options ) {
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if ( isset( $options['tooltip'] ) ) {
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$checkboxesMessagesList[] = "accesskey-{$options['tooltip']}";
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$checkboxesMessagesList[] = "tooltip-{$options['tooltip']}";
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}
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if ( isset( $options['title-message'] ) ) {
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$checkboxesMessagesList[] = $options['title-message'];
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if ( !is_string( $options['title-message'] ) ) {
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// Extract only the key. Any parameters are included in the fake message definition
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// passed via $checkboxesMessages. (This changes $checkboxesDef by reference.)
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$options['title-message'] = $this->msg( $options['title-message'] )->getKey();
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}
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}
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$checkboxesMessagesList[] = $options['label-message'];
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if ( !is_string( $options['label-message'] ) ) {
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// Extract only the key. Any parameters are included in the fake message definition
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// passed via $checkboxesMessages. (This changes $checkboxesDef by reference.)
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$options['label-message'] = $this->msg( $options['label-message'] )->getKey();
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}
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}
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$checkboxesMessages = [];
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foreach ( $checkboxesMessagesList as $messageSpecifier ) {
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// $messageSpecifier may be a string or a Message object
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$message = $this->msg( $messageSpecifier );
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$checkboxesMessages[ $message->getKey() ] = $message->plain();
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}
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foreach ( $checkboxesDef as &$value ) {
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// Don't convert the boolean to empty string with formatversion=1
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$value[ApiResult::META_BC_BOOLS] = [ 'default' ];
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}
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$result = [
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'result' => 'success',
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'notices' => $notices,
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'checkboxesDef' => $checkboxesDef,
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'checkboxesMessages' => $checkboxesMessages,
|
|
'protectedClasses' => implode( ' ', $protectedClasses ),
|
|
'basetimestamp' => $baseTimestamp,
|
|
'starttimestamp' => wfTimestampNow(),
|
|
'oldid' => $oldid,
|
|
'blockinfo' => $blockinfo,
|
|
'canEdit' => $canEdit,
|
|
];
|
|
if ( isset( $restbaseHeaders['etag'] ) ) {
|
|
$result['etag'] = $restbaseHeaders['etag'];
|
|
}
|
|
if ( isset( $params['badetag'] ) ) {
|
|
$badetag = $params['badetag'];
|
|
$goodetag = $result['etag'] ?? '';
|
|
$this->getLogger()->info(
|
|
__METHOD__ . ": Client reported bad ETag: {badetag}, expected: {goodetag}",
|
|
[
|
|
'badetag' => $badetag,
|
|
'goodetag' => $goodetag,
|
|
]
|
|
);
|
|
}
|
|
if ( $params['paction'] === 'parse' ||
|
|
$params['paction'] === 'wikitext' ||
|
|
( !empty( $params['preload'] ) && isset( $content ) )
|
|
) {
|
|
$result['content'] = $content;
|
|
if ( $preloaded ) {
|
|
// If the preload param was actually used, pass it
|
|
// back so the caller knows. (It's not obvious to the
|
|
// caller, because in some situations it'll depend on
|
|
// whether the page has been created. They can work it
|
|
// out from some of the other returns, but this is
|
|
// simpler.)
|
|
$result['preloaded'] = $params['preload'];
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'templatesused':
|
|
// HACK: Build a fake EditPage so we can get checkboxes from it
|
|
// Deliberately omitting ,0 so oldid comes from request
|
|
$article = new Article( $title );
|
|
$editPage = new EditPage( $article );
|
|
$result = $editPage->makeTemplatesOnThisPageList( $editPage->getTemplates() );
|
|
break;
|
|
|
|
case 'parsedoc':
|
|
case 'parsefragment':
|
|
$wikitext = $params['wikitext'];
|
|
$bodyOnly = ( $params['paction'] === 'parsefragment' );
|
|
if ( $params['pst'] ) {
|
|
$wikitext = $this->pstWikitext( $title, $wikitext );
|
|
}
|
|
$content = $this->transformWikitext(
|
|
$title, $wikitext, $bodyOnly
|
|
)['body'];
|
|
if ( $content === false ) {
|
|
$this->dieWithError( 'apierror-visualeditor-docserver', 'docserver' );
|
|
} else {
|
|
$result = [
|
|
'result' => 'success',
|
|
'content' => $content
|
|
];
|
|
}
|
|
break;
|
|
}
|
|
|
|
$this->getResult()->addValue( null, $this->getModuleName(), $result );
|
|
}
|
|
|
|
/**
|
|
* Check if the configured allowed namespaces include the specified namespace
|
|
*
|
|
* @param Config $config Configuration object
|
|
* @param int $namespaceId Namespace ID
|
|
* @return bool
|
|
*/
|
|
public static function isAllowedNamespace( Config $config, $namespaceId ) {
|
|
$availableNamespaces = self::getAvailableNamespaceIds( $config );
|
|
return in_array( $namespaceId, $availableNamespaces );
|
|
}
|
|
|
|
/**
|
|
* Get a list of allowed namespace IDs
|
|
*
|
|
* @param Config $config Configuration object
|
|
* @return array
|
|
*/
|
|
public static function getAvailableNamespaceIds( Config $config ) {
|
|
$availableNamespaces =
|
|
// Note: existing numeric keys might exist, and so array_merge cannot be used
|
|
(array)$config->get( 'VisualEditorAvailableNamespaces' ) +
|
|
(array)ExtensionRegistry::getInstance()->getAttribute( 'VisualEditorAvailableNamespaces' );
|
|
return array_values( array_unique( array_map( function ( $namespace ) {
|
|
// Convert canonical namespace names to IDs
|
|
$nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
|
|
$idFromName = $nsInfo->getCanonicalIndex( strtolower( $namespace ) );
|
|
if ( $idFromName !== null ) {
|
|
return $idFromName;
|
|
}
|
|
// Allow namespaces to be specified by ID as well
|
|
return $nsInfo->exists( $namespace ) ? $namespace : null;
|
|
}, array_keys( array_filter( $availableNamespaces ) ) ) ) );
|
|
}
|
|
|
|
/**
|
|
* Check if the configured allowed content models include the specified content model
|
|
*
|
|
* @param Config $config Configuration object
|
|
* @param string $contentModel Content model ID
|
|
* @return bool
|
|
*/
|
|
public static function isAllowedContentType( Config $config, $contentModel ) {
|
|
$availableContentModels = array_merge(
|
|
ExtensionRegistry::getInstance()->getAttribute( 'VisualEditorAvailableContentModels' ),
|
|
$config->get( 'VisualEditorAvailableContentModels' )
|
|
);
|
|
return isset( $availableContentModels[$contentModel] ) &&
|
|
$availableContentModels[$contentModel];
|
|
}
|
|
|
|
/**
|
|
* Gets the relevant HTML for the latest log entry on a given title, including a full log link.
|
|
*
|
|
* @param Title $title Title
|
|
* @param array|string $types
|
|
* @return string
|
|
*/
|
|
private function getLastLogEntry( Title $title, $types = '' ) {
|
|
$outString = '';
|
|
LogEventsList::showLogExtract( $outString, $types, $title, '',
|
|
[ 'lim' => 1 ] );
|
|
return $outString;
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
*/
|
|
public function getAllowedParams() {
|
|
return [
|
|
'page' => [
|
|
ParamValidator::PARAM_REQUIRED => true,
|
|
],
|
|
'badetag' => null,
|
|
'format' => [
|
|
ParamValidator::PARAM_DEFAULT => 'jsonfm',
|
|
ParamValidator::PARAM_TYPE => [ 'json', 'jsonfm' ],
|
|
],
|
|
'paction' => [
|
|
ParamValidator::PARAM_REQUIRED => true,
|
|
ParamValidator::PARAM_TYPE => [
|
|
'parse',
|
|
'metadata',
|
|
'templatesused',
|
|
'wikitext',
|
|
'parsefragment',
|
|
'parsedoc',
|
|
],
|
|
],
|
|
'wikitext' => [
|
|
ParamValidator::PARAM_TYPE => 'text',
|
|
ParamValidator::PARAM_DEFAULT => null,
|
|
],
|
|
'section' => null,
|
|
'stash' => null,
|
|
'oldid' => null,
|
|
'editintro' => null,
|
|
'pst' => false,
|
|
'preload' => null,
|
|
'preloadparams' => [
|
|
ParamValidator::PARAM_ISMULTI => true,
|
|
],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
*/
|
|
public function needsToken() {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
*/
|
|
public function isInternal() {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
*/
|
|
public function isWriteMode() {
|
|
return false;
|
|
}
|
|
}
|