mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-12-01 03:26:28 +00:00
379 lines
12 KiB
PHP
379 lines
12 KiB
PHP
<?php
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namespace MediaWiki\Extension\DiscussionTools;
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use ApiBase;
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use ApiMain;
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use ApiParsoidTrait;
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use DerivativeContext;
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use DerivativeRequest;
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use MediaWiki\Extension\DiscussionTools\Hooks\HookUtils;
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use MediaWiki\Logger\LoggerFactory;
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use MediaWiki\MediaWikiServices;
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use Title;
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use Wikimedia\ParamValidator\ParamValidator;
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use Wikimedia\Parsoid\Utils\DOMCompat;
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use Wikimedia\Parsoid\Utils\DOMUtils;
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class ApiDiscussionToolsEdit extends ApiBase {
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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, string $name ) {
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parent::__construct( $main, $name );
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$this->setLogger( LoggerFactory::getInstance( 'DiscussionTools' ) );
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}
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/**
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* @inheritDoc
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*/
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public function execute() {
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$params = $this->extractRequestParams();
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$title = Title::newFromText( $params['page'] );
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$result = null;
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$dtConfig = MediaWikiServices::getInstance()->getConfigFactory()->makeConfig( 'discussiontools' );
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$autoSubscribe =
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$dtConfig->get( 'DiscussionToolsEnableTopicSubscriptionBackend' ) &&
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$dtConfig->get( 'DiscussionToolsAutoTopicSubWhere' ) === 'replynewtopic' &&
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HookUtils::shouldAddAutoSubscription( $this->getUser(), $title );
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$subscribableHeadingName = null;
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$subscribableSectionTitle = '';
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if ( !$title ) {
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$this->dieWithError( [ 'apierror-invalidtitle', wfEscapeWikiText( $params['page'] ) ] );
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}
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$this->getErrorFormatter()->setContextTitle( $title );
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$session = null;
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$usedFormTokensKey = 'DiscussionTools:usedFormTokens';
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$formToken = $params['formtoken'];
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if ( $formToken ) {
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$session = $this->getContext()->getRequest()->getSession();
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$usedFormTokens = $session->get( $usedFormTokensKey ) ?? [];
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if ( in_array( $formToken, $usedFormTokens ) ) {
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$this->dieWithError( [ 'apierror-discussiontools-formtoken-used' ] );
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}
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}
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switch ( $params['paction'] ) {
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case 'addtopic':
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$this->requireAtLeastOneParameter( $params, 'sectiontitle' );
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$this->requireOnlyOneParameter( $params, 'wikitext', 'html' );
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$wikitext = $params['wikitext'];
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$html = $params['html'];
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if ( $wikitext !== null ) {
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$wikitext = CommentUtils::htmlTrim( $wikitext );
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if ( !CommentModifier::isWikitextSigned( $wikitext ) ) {
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$wikitext .=
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$this->msg( 'discussiontools-signature-prefix' )->inContentLanguage()->text() . '~~~~';
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}
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} else {
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$doc = DOMUtils::parseHTML( $html );
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$container = DOMCompat::getBody( $doc );
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if ( !CommentModifier::isHtmlSigned( $container ) ) {
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CommentModifier::appendSignature( $container );
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}
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$html = DOMCompat::getInnerHTML( $container );
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$wikitext = $this->transformHTML( $title, $html )[ 'body' ];
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}
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// As section=new this is append only so we don't need to
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// worry about edit-conflict params such as oldid/baserevid/etag.
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// Edit summary is also automatically generated when section=new
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$context = new DerivativeContext( $this->getContext() );
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$context->setRequest(
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new DerivativeRequest(
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$context->getRequest(),
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[
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'action' => 'visualeditoredit',
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'paction' => 'save',
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'page' => $params['page'],
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'token' => $params['token'],
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'wikitext' => $wikitext,
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// A default is provided automatically by the Edit API
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// for new sections when the summary is empty.
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'summary' => $params['summary'],
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'section' => 'new',
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'sectiontitle' => $params['sectiontitle'],
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'starttimestamp' => wfTimestampNow(),
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'watchlist' => $params['watchlist'],
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'captchaid' => $params['captchaid'],
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'captchaword' => $params['captchaword']
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],
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/* was posted? */ true
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)
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);
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$api = new ApiMain(
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$context,
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/* enable write? */ true
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);
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$api->execute();
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$data = $api->getResult()->getResultData();
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$result = $data['visualeditoredit'];
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if ( $autoSubscribe && isset( $result['content'] ) ) {
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// Determining the added topic's name directly is hard (we'd have to ensure we have the
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// same timestamp, and replicate some CommentParser stuff). Just pull it out of the response.
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$doc = DOMUtils::parseHTML( $result['content'] );
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$subscribeLinks = DOMCompat::querySelectorAll(
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DOMCompat::getBody( $doc ),
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'.ext-discussiontools-init-section-subscribe-link'
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);
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// Iterate to get the last item. (Also works if there are none somehow.)
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foreach ( $subscribeLinks as $link ) {
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$subscribableHeadingName = $link->getAttribute( 'data-mw-comment-name' );
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}
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$subscribableSectionTitle =
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MediaWikiServices::getInstance()->getParser()->stripSectionName( $params['sectiontitle'] );
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}
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break;
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case 'addcomment':
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$this->requireAtLeastOneParameter( $params, 'commentid', 'commentname' );
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$commentId = $params['commentid'] ?? null;
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$commentName = $params['commentname'] ?? null;
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if ( !$title->exists() ) {
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// The page does not exist, so the comment we're trying to reply to can't exist either.
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if ( $commentId ) {
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$this->dieWithError( [ 'apierror-discussiontools-commentid-notfound', $commentId ] );
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} else {
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$this->dieWithError( [ 'apierror-discussiontools-commentname-notfound', $commentName ] );
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}
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}
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// Fetch the latest revision
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$requestedRevision = $this->getLatestRevision( $title );
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$response = $this->requestRestbasePageHtml( $requestedRevision );
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$headers = $response['headers'];
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$doc = DOMUtils::parseHTML( $response['body'] );
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// Don't trust RESTBase to always give us the revision we requested,
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// instead get the revision ID from the document and use that.
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// Ported from ve.init.mw.ArticleTarget.prototype.parseMetadata
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$docRevId = null;
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$aboutDoc = $doc->documentElement->getAttribute( 'about' );
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if ( $aboutDoc ) {
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preg_match( '/revision\\/([0-9]+)$/', $aboutDoc, $docRevIdMatches );
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if ( $docRevIdMatches ) {
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$docRevId = (int)$docRevIdMatches[ 1 ];
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}
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}
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if ( !$docRevId ) {
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$this->dieWithError( 'apierror-visualeditor-docserver', 'docserver' );
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}
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if ( $docRevId !== $requestedRevision->getId() ) {
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// TODO: If this never triggers, consider removing the check.
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$this->getLogger()->warning(
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"Requested revision {$requestedRevision->getId()} " .
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"but received {$docRevId}."
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);
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}
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$container = DOMCompat::getBody( $doc );
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$parser = CommentParser::newFromGlobalState( $container );
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if ( $commentId ) {
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$comment = $parser->findCommentById( $commentId );
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if ( !$comment || !( $comment instanceof CommentItem ) ) {
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$this->dieWithError( [ 'apierror-discussiontools-commentid-notfound', $commentId ] );
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}
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} else {
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$comments = $parser->findCommentsByName( $commentName );
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$comment = $comments[ 0 ] ?? null;
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if ( count( $comments ) > 1 ) {
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$this->dieWithError( [ 'apierror-discussiontools-commentname-ambiguous', $commentName ] );
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} elseif ( !$comment || !( $comment instanceof CommentItem ) ) {
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$this->dieWithError( [ 'apierror-discussiontools-commentname-notfound', $commentName ] );
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}
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}
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$this->requireOnlyOneParameter( $params, 'wikitext', 'html' );
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if ( $params['wikitext'] !== null ) {
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CommentModifier::addWikitextReply( $comment, $params['wikitext'] );
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} else {
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CommentModifier::addHtmlReply( $comment, $params['html'] );
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}
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if ( isset( $params['summary'] ) ) {
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$summary = $params['summary'];
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} else {
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$sectionTitle = $comment->getHeading()->getLinkableTitle();
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$summary = ( $sectionTitle ? '/* ' . $sectionTitle . ' */ ' : '' ) .
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$this->msg( 'discussiontools-defaultsummary-reply' )->inContentLanguage()->text();
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}
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if ( $autoSubscribe ) {
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$heading = $comment->getSubscribableHeading();
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if ( $heading ) {
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$subscribableHeadingName = $heading->getName();
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$subscribableSectionTitle = $heading->getLinkableTitle();
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}
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}
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$context = new DerivativeContext( $this->getContext() );
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$context->setRequest(
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new DerivativeRequest(
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$context->getRequest(),
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[
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'action' => 'visualeditoredit',
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'paction' => 'save',
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'page' => $params['page'],
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'token' => $params['token'],
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'oldid' => $docRevId,
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'html' => DOMCompat::getOuterHTML( $doc->documentElement ),
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'summary' => $summary,
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'baserevid' => $docRevId,
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'starttimestamp' => wfTimestampNow(),
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'etag' => $headers['etag'],
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'watchlist' => $params['watchlist'],
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'captchaid' => $params['captchaid'],
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'captchaword' => $params['captchaword']
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],
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/* was posted? */ true
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)
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);
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$api = new ApiMain(
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$context,
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/* enable write? */ true
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);
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$api->execute();
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// TODO: Tags are only added by 'dttags' existing on the original request
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// context (see Hook::onRecentChangeSave). What tags (if any) should be
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// added in this API?
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$data = $api->getResult()->getResultData();
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$result = $data['visualeditoredit'];
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break;
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}
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if ( !isset( $result['newrevid'] ) && isset( $result['result'] ) && $result['result'] === 'success' ) {
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// No new revision, so no changes were made to the page (null edit).
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// Comment was not actually saved, so for this API, that's an error.
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// This is probably because changes were inside a transclusion's HTML?
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$this->dieWithError( 'discussiontools-error-comment-not-saved', 'comment-comment-not-saved' );
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}
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if ( $autoSubscribe && $subscribableHeadingName ) {
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$subscriptionStore = MediaWikiServices::getInstance()->getService( 'DiscussionTools.SubscriptionStore' );
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$subsTitle = $title->createFragmentTarget( $subscribableSectionTitle );
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$subscriptionStore->addAutoSubscriptionForUser( $this->getUser(), $subsTitle, $subscribableHeadingName );
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}
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// Check the post was successful (could have been blocked by ConfirmEdit) before
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// marking the form token as used.
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if ( $formToken && isset( $result['result'] ) && $result['result'] === 'success' ) {
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$usedFormTokens[] = $formToken;
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// Set an arbitrary limit of the number of form tokens to
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// store to prevent session storage from becoming full.
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// It is unlikely that form tokens other than the few most
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// recently used will be needed.
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while ( count( $usedFormTokens ) > 50 ) {
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// Discard the oldest tokens first
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array_shift( $usedFormTokens );
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}
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$session->set( $usedFormTokensKey, $usedFormTokens );
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}
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$this->getResult()->addValue( null, $this->getModuleName(), $result );
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}
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/**
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* @inheritDoc
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*/
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public function getAllowedParams() {
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return [
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'paction' => [
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ParamValidator::PARAM_REQUIRED => true,
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ParamValidator::PARAM_TYPE => [
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'addcomment',
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'addtopic',
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],
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ApiBase::PARAM_HELP_MSG => 'apihelp-visualeditoredit-param-paction',
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ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
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],
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'page' => [
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ParamValidator::PARAM_REQUIRED => true,
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ApiBase::PARAM_HELP_MSG => 'apihelp-visualeditoredit-param-page',
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],
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'token' => [
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ParamValidator::PARAM_REQUIRED => true,
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],
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'formtoken' => [
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ApiBase::PARAM_TYPE => 'string',
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ApiBase::PARAM_MAX_CHARS => 16,
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],
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'commentname' => null,
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'commentid' => null,
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'wikitext' => [
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ParamValidator::PARAM_TYPE => 'text',
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ParamValidator::PARAM_DEFAULT => null,
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],
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'html' => [
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ParamValidator::PARAM_TYPE => 'text',
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ParamValidator::PARAM_DEFAULT => null,
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],
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'summary' => [
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ParamValidator::PARAM_TYPE => 'string',
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ParamValidator::PARAM_DEFAULT => null,
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ApiBase::PARAM_HELP_MSG => 'apihelp-visualeditoredit-param-summary',
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],
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'sectiontitle' => [
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ParamValidator::PARAM_TYPE => 'string',
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],
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'watchlist' => [
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ApiBase::PARAM_HELP_MSG => 'apihelp-edit-param-watchlist',
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],
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'captchaid' => [
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ApiBase::PARAM_HELP_MSG => 'apihelp-visualeditoredit-param-captchaid',
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],
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'captchaword' => [
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ApiBase::PARAM_HELP_MSG => 'apihelp-visualeditoredit-param-captchaword',
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],
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];
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}
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/**
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* @inheritDoc
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*/
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public function needsToken() {
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return 'csrf';
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}
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/**
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* @inheritDoc
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*/
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public function isInternal() {
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return true;
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}
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/**
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* @inheritDoc
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*/
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public function isWriteMode() {
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return true;
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}
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}
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