mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-12 17:18:41 +00:00
831141e692
In our parse request for 'wikitext fragments', used in the transclusion dialog and extension inspectors, we weren't passing 'pst' as true, so while [[Foo|Bar]] came back as expected, [[Foo (bar)|]] just came back as plain text, confusing users. Bug: 60998 Change-Id: I9931ad8034273ceb19c027d5035c63422cc0e570
506 lines
15 KiB
PHP
506 lines
15 KiB
PHP
<?php
|
|
/**
|
|
* Parsoid API wrapper.
|
|
*
|
|
* @file
|
|
* @ingroup Extensions
|
|
* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
|
|
* @license The MIT License (MIT); see LICENSE.txt
|
|
*/
|
|
|
|
class ApiVisualEditor extends ApiBase {
|
|
|
|
/**
|
|
* Parsoid HTTP proxy configuration for MWHttpRequest
|
|
*/
|
|
protected function getProxyConf() {
|
|
global $wgVisualEditorParsoidHTTPProxy;
|
|
if ( $wgVisualEditorParsoidHTTPProxy ) {
|
|
return array( 'proxy' => $wgVisualEditorParsoidHTTPProxy );
|
|
} else {
|
|
return array( 'noProxy' => true );
|
|
}
|
|
}
|
|
|
|
protected function getHTML( $title, $parserParams ) {
|
|
global $wgVisualEditorParsoidURL,
|
|
$wgVisualEditorParsoidPrefix,
|
|
$wgVisualEditorParsoidTimeout,
|
|
$wgVisualEditorParsoidForwardCookies;
|
|
|
|
$restoring = false;
|
|
|
|
if ( $title->exists() ) {
|
|
$latestRevision = Revision::newFromTitle( $title );
|
|
if ( $latestRevision === null ) {
|
|
return false;
|
|
}
|
|
$revision = null;
|
|
if ( !isset( $parserParams['oldid'] ) || $parserParams['oldid'] === 0 ) {
|
|
$parserParams['oldid'] = $latestRevision->getId();
|
|
$revision = $latestRevision;
|
|
} else {
|
|
$revision = Revision::newFromId( $parserParams['oldid'] );
|
|
if ( $revision === null ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$restoring = $revision && !$revision->isCurrent();
|
|
$oldid = $parserParams['oldid'];
|
|
|
|
$req = MWHttpRequest::factory( wfAppendQuery(
|
|
$wgVisualEditorParsoidURL . '/' . $wgVisualEditorParsoidPrefix .
|
|
'/' . urlencode( $title->getPrefixedDBkey() ),
|
|
$parserParams
|
|
),
|
|
array_merge(
|
|
$this->getProxyConf(),
|
|
array(
|
|
'method' => 'GET',
|
|
'timeout' => $wgVisualEditorParsoidTimeout,
|
|
)
|
|
)
|
|
);
|
|
// Forward cookies, but only if configured to do so and if there are read restrictions
|
|
if ( $wgVisualEditorParsoidForwardCookies && !User::isEveryoneAllowed( 'read' ) ) {
|
|
$req->setHeader( 'Cookie', $this->getRequest()->getHeader( 'Cookie' ) );
|
|
}
|
|
$status = $req->execute();
|
|
|
|
if ( $status->isOK() ) {
|
|
$content = $req->getContent();
|
|
// Pass thru performance data from Parsoid to the client, unless the response was
|
|
// served directly from Varnish, in which case discard the value of the XPP header
|
|
// and use it to declare the cache hit instead.
|
|
$xCache = $req->getResponseHeader( 'X-Cache' );
|
|
if ( is_string( $xCache ) && strpos( $xCache, 'hit' ) !== false ) {
|
|
$xpp = 'cached-response=true';
|
|
} else {
|
|
$xpp = $req->getResponseHeader( 'X-Parsoid-Performance' );
|
|
}
|
|
if ( $xpp !== null ) {
|
|
$resp = $this->getRequest()->response();
|
|
$resp->header( 'X-Parsoid-Performance: ' . $xpp );
|
|
}
|
|
} elseif ( $status->isGood() ) {
|
|
$this->dieUsage( $req->getContent(), 'parsoidserver-http-'.$req->getStatus() );
|
|
} elseif ( $errors = $status->getErrorsByType( 'error' ) ) {
|
|
$error = $errors[0];
|
|
$code = $error['message'];
|
|
if ( count( $error['params'] ) ) {
|
|
$message = $error['params'][0];
|
|
} else {
|
|
$message = 'MWHttpRequest error';
|
|
}
|
|
$this->dieUsage( $message, 'parsoidserver-'.$code );
|
|
}
|
|
|
|
if ( $content === false ) {
|
|
return false;
|
|
}
|
|
$timestamp = $latestRevision->getTimestamp();
|
|
} else {
|
|
$content = '';
|
|
$timestamp = wfTimestampNow();
|
|
$oldid = 0;
|
|
}
|
|
return array(
|
|
'result' => array(
|
|
'content' => $content,
|
|
'basetimestamp' => $timestamp,
|
|
'starttimestamp' => wfTimestampNow(),
|
|
'oldid' => $oldid,
|
|
),
|
|
'restoring' => $restoring,
|
|
);
|
|
}
|
|
|
|
protected function storeInSerializationCache( $title, $oldid, $html ) {
|
|
global $wgMemc, $wgVisualEditorSerializationCacheTimeout;
|
|
$content = $this->postHTML( $title, $html, array( 'oldid' => $oldid ) );
|
|
if ( $content === false ) {
|
|
return false;
|
|
}
|
|
$hash = md5( $content );
|
|
$key = wfMemcKey( 'visualeditor', 'serialization', $hash );
|
|
$wgMemc->set( $key, $content, $wgVisualEditorSerializationCacheTimeout );
|
|
return $hash;
|
|
}
|
|
|
|
protected function trySerializationCache( $hash ) {
|
|
global $wgMemc;
|
|
$key = wfMemcKey( 'visualeditor', 'serialization', $hash );
|
|
return $wgMemc->get( $key );
|
|
}
|
|
|
|
protected function postHTML( $title, $html, $parserParams ) {
|
|
global $wgVisualEditorParsoidURL,
|
|
$wgVisualEditorParsoidPrefix,
|
|
$wgVisualEditorParsoidTimeout,
|
|
$wgVisualEditorParsoidForwardCookies;
|
|
|
|
if ( $parserParams['oldid'] === 0 ) {
|
|
$parserParams['oldid'] = '';
|
|
}
|
|
$req = MWHttpRequest::factory(
|
|
$wgVisualEditorParsoidURL . '/' . $wgVisualEditorParsoidPrefix .
|
|
'/' . urlencode( $title->getPrefixedDBkey() ),
|
|
array_merge(
|
|
$this->getProxyConf(),
|
|
array(
|
|
'method' => 'POST',
|
|
'postData' => array(
|
|
'content' => $html,
|
|
'oldid' => $parserParams['oldid']
|
|
),
|
|
'timeout' => $wgVisualEditorParsoidTimeout,
|
|
)
|
|
)
|
|
);
|
|
// Forward cookies, but only if configured to do so and if there are read restrictions
|
|
if ( $wgVisualEditorParsoidForwardCookies && !User::isEveryoneAllowed( 'read' ) ) {
|
|
$req->setHeader( 'Cookie', $this->getRequest()->getHeader( 'Cookie' ) );
|
|
}
|
|
$status = $req->execute();
|
|
if ( !$status->isOK() ) {
|
|
// TODO proper error handling, merge with getHTML above
|
|
return false;
|
|
}
|
|
// TODO pass through X-Parsoid-Performance header, merge with getHTML above
|
|
return $req->getContent();
|
|
}
|
|
|
|
protected function parseWikitext( $title ) {
|
|
$apiParams = array(
|
|
'action' => 'parse',
|
|
'page' => $title->getPrefixedDBkey(),
|
|
'prop' => 'text|revid|categorieshtml',
|
|
);
|
|
$api = new ApiMain(
|
|
new DerivativeRequest(
|
|
$this->getRequest(),
|
|
$apiParams,
|
|
false // was posted?
|
|
),
|
|
true // enable write?
|
|
);
|
|
|
|
$api->execute();
|
|
$result = $api->getResultData();
|
|
$content = isset( $result['parse']['text']['*'] ) ? $result['parse']['text']['*'] : false;
|
|
$categorieshtml = isset( $result['parse']['categorieshtml']['*'] ) ?
|
|
$result['parse']['categorieshtml']['*'] : false;
|
|
$revision = Revision::newFromId( $result['parse']['revid'] );
|
|
$timestamp = $revision ? $revision->getTimestamp() : wfTimestampNow();
|
|
|
|
if ( $content === false || ( strlen( $content ) && $revision === null ) ) {
|
|
return false;
|
|
}
|
|
|
|
return array(
|
|
'content' => $content,
|
|
'categorieshtml' => $categorieshtml,
|
|
'basetimestamp' => $timestamp,
|
|
'starttimestamp' => wfTimestampNow()
|
|
);
|
|
}
|
|
|
|
protected function parseWikitextFragment( $wikitext, $title = null ) {
|
|
$apiParams = array(
|
|
'action' => 'parse',
|
|
'title' => $title,
|
|
'prop' => 'text',
|
|
'disablepp' => true,
|
|
'pst' => true,
|
|
'text' => $wikitext
|
|
);
|
|
$api = new ApiMain(
|
|
new DerivativeRequest(
|
|
$this->getRequest(),
|
|
$apiParams,
|
|
false // was posted?
|
|
),
|
|
true // enable write?
|
|
);
|
|
|
|
$api->execute();
|
|
$result = $api->getResultData();
|
|
return isset( $result['parse']['text']['*'] ) ? $result['parse']['text']['*'] : false;
|
|
}
|
|
|
|
protected function diffWikitext( $title, $wikitext ) {
|
|
$apiParams = array(
|
|
'action' => 'query',
|
|
'prop' => 'revisions',
|
|
'titles' => $title->getPrefixedDBkey(),
|
|
'rvdifftotext' => $wikitext
|
|
);
|
|
$api = new ApiMain(
|
|
new DerivativeRequest(
|
|
$this->getRequest(),
|
|
$apiParams,
|
|
false // was posted?
|
|
),
|
|
false // enable write?
|
|
);
|
|
$api->execute();
|
|
$result = $api->getResultData();
|
|
if ( !isset( $result['query']['pages'][$title->getArticleID()]['revisions'][0]['diff']['*'] ) ) {
|
|
return array( 'result' => 'fail' );
|
|
}
|
|
$diffRows = $result['query']['pages'][$title->getArticleID()]['revisions'][0]['diff']['*'];
|
|
|
|
if ( $diffRows !== '' ) {
|
|
$context = new DerivativeContext( $this->getContext() );
|
|
$context->setTitle( $title );
|
|
$engine = new DifferenceEngine( $context );
|
|
return array(
|
|
'result' => 'success',
|
|
'diff' => $engine->addHeader(
|
|
$diffRows,
|
|
wfMessage( 'currentrev' )->parse(),
|
|
wfMessage( 'yourtext' )->parse()
|
|
)
|
|
);
|
|
} else {
|
|
return array( 'result' => 'nochanges' );
|
|
}
|
|
}
|
|
|
|
protected function getLangLinks( $title ) {
|
|
$apiParams = array(
|
|
'action' => 'query',
|
|
'prop' => 'langlinks',
|
|
'lllimit' => 500,
|
|
'titles' => $title->getPrefixedDBkey(),
|
|
'indexpageids' => 1,
|
|
);
|
|
$api = new ApiMain(
|
|
new DerivativeRequest(
|
|
$this->getRequest(),
|
|
$apiParams,
|
|
false // was posted?
|
|
),
|
|
true // enable write?
|
|
);
|
|
|
|
$api->execute();
|
|
$result = $api->getResultData();
|
|
if ( !isset( $result['query']['pages'][$title->getArticleID()]['langlinks'] ) ) {
|
|
return false;
|
|
}
|
|
$langlinks = $result['query']['pages'][$title->getArticleID()]['langlinks'];
|
|
$langnames = Language::fetchLanguageNames();
|
|
foreach ( $langlinks as $i => $lang ) {
|
|
$langlinks[$i]['langname'] = $langnames[$langlinks[$i]['lang']];
|
|
}
|
|
return $langlinks;
|
|
}
|
|
|
|
public function execute() {
|
|
global $wgVisualEditorNamespaces, $wgVisualEditorEditNotices;
|
|
|
|
$user = $this->getUser();
|
|
$params = $this->extractRequestParams();
|
|
$page = Title::newFromText( $params['page'] );
|
|
if ( !$page ) {
|
|
$this->dieUsageMsg( 'invalidtitle', $params['page'] );
|
|
}
|
|
if ( !in_array( $page->getNamespace(), $wgVisualEditorNamespaces ) ) {
|
|
$this->dieUsage( "VisualEditor is not enabled in namespace " .
|
|
$page->getNamespace(), 'novenamespace' );
|
|
}
|
|
|
|
$parserParams = array();
|
|
if ( isset( $params['oldid'] ) ) {
|
|
$parserParams['oldid'] = $params['oldid'];
|
|
}
|
|
|
|
switch ( $params['paction'] ) {
|
|
case 'parse':
|
|
$parsed = $this->getHTML( $page, $parserParams );
|
|
// Dirty hack to provide the correct context for edit notices
|
|
global $wgTitle; // FIXME NOOOOOOOOES
|
|
$wgTitle = $page;
|
|
$notices = $page->getEditNotices();
|
|
if ( $user->isAnon() ) {
|
|
$wgVisualEditorEditNotices[] = 'anoneditwarning';
|
|
}
|
|
if ( $parsed && $parsed['restoring'] ) {
|
|
$wgVisualEditorEditNotices[] = 'editingold';
|
|
}
|
|
// Page protected from editing
|
|
if ( $page->getNamespace() != NS_MEDIAWIKI && $page->isProtected( 'edit' ) ) {
|
|
# Is the title semi-protected?
|
|
if ( $page->isSemiProtected() ) {
|
|
$wgVisualEditorEditNotices[] = 'semiprotectedpagewarning';
|
|
} else {
|
|
# Then it must be protected based on static groups (regular)
|
|
$wgVisualEditorEditNotices[] = 'protectedpagewarning';
|
|
}
|
|
}
|
|
// Creating new page
|
|
if ( !$page->exists() ) {
|
|
$wgVisualEditorEditNotices[] = $user->isLoggedIn() ? 'newarticletext' : 'newarticletextanon';
|
|
// Page protected from creation
|
|
if ( $page->getRestrictions( 'create' ) ) {
|
|
$wgVisualEditorEditNotices[] = 'titleprotectedwarning';
|
|
}
|
|
}
|
|
if ( count( $wgVisualEditorEditNotices ) ) {
|
|
foreach ( $wgVisualEditorEditNotices as $key ) {
|
|
$notices[] = wfMessage( $key )->parseAsBlock();
|
|
}
|
|
}
|
|
|
|
// HACK: Build a fake EditPage so we can get checkboxes from it
|
|
$article = new Article( $page ); // Deliberately omitting ,0 so oldid comes from request
|
|
$ep = new EditPage( $article );
|
|
$req = $this->getRequest();
|
|
$req->setVal( 'format', 'text/x-wiki' );
|
|
$ep->importFormData( $req ); // By reference for some reason (bug 52466)
|
|
$tabindex = 0;
|
|
$states = array( 'minor' => false, 'watch' => false );
|
|
$checkboxes = $ep->getCheckboxes( $tabindex, $states );
|
|
|
|
if ( $parsed === false ) {
|
|
$this->dieUsage( 'Error contacting the Parsoid server', 'parsoidserver' );
|
|
} else {
|
|
$result = array_merge(
|
|
array(
|
|
'result' => 'success',
|
|
'notices' => $notices,
|
|
'checkboxes' => $checkboxes,
|
|
),
|
|
$parsed['result']
|
|
);
|
|
}
|
|
break;
|
|
|
|
case 'parsefragment':
|
|
$content = $this->parseWikitextFragment( $params['wikitext'], $page->getText() );
|
|
if ( $content === false ) {
|
|
$this->dieUsage( 'Error querying MediaWiki API', 'parsoidserver' );
|
|
} else {
|
|
$result = array(
|
|
'result' => 'success',
|
|
'content' => $content
|
|
);
|
|
}
|
|
break;
|
|
|
|
case 'serialize':
|
|
if ( $params['cachekey'] !== null ) {
|
|
$content = $this->trySerializationCache( $params['cachekey'] );
|
|
if ( !is_string( $content ) ) {
|
|
$this->dieUsage( 'No cached serialization found with that key', 'badcachekey' );
|
|
}
|
|
} else {
|
|
if ( $params['html'] === null ) {
|
|
$this->dieUsageMsg( 'missingparam', 'html' );
|
|
}
|
|
$html = $params['html'];
|
|
$content = $this->postHTML( $page, $html, $parserParams );
|
|
if ( $content === false ) {
|
|
$this->dieUsage( 'Error contacting the Parsoid server', 'parsoidserver' );
|
|
}
|
|
}
|
|
$result = array( 'result' => 'success', 'content' => $content );
|
|
break;
|
|
|
|
case 'diff':
|
|
if ( $params['cachekey'] !== null ) {
|
|
$wikitext = $this->trySerializationCache( $params['cachekey'] );
|
|
if ( !is_string( $wikitext ) ) {
|
|
$this->dieUsage( 'No cached serialization found with that key', 'badcachekey' );
|
|
}
|
|
} else {
|
|
$wikitext = $this->postHTML( $page, $params['html'], $parserParams );
|
|
if ( $wikitext === false ) {
|
|
$this->dieUsage( 'Error contacting the Parsoid server', 'parsoidserver' );
|
|
}
|
|
}
|
|
|
|
$diff = $this->diffWikitext( $page, $wikitext );
|
|
if ( $diff['result'] === 'fail' ) {
|
|
$this->dieUsage( 'Diff failed', 'difffailed' );
|
|
}
|
|
$result = $diff;
|
|
|
|
break;
|
|
|
|
case 'serializeforcache':
|
|
$key = $this->storeInSerializationCache( $page, $parserParams['oldid'], $params['html'] );
|
|
$result = array( 'result' => 'success', 'cachekey' => $key );
|
|
break;
|
|
|
|
case 'getlanglinks':
|
|
$langlinks = $this->getLangLinks( $page );
|
|
if ( $langlinks === false ) {
|
|
$this->dieUsage( 'Error querying MediaWiki API', 'parsoidserver' );
|
|
} else {
|
|
$result = array( 'result' => 'success', 'langlinks' => $langlinks );
|
|
}
|
|
break;
|
|
}
|
|
|
|
$this->getResult()->addValue( null, $this->getModuleName(), $result );
|
|
}
|
|
|
|
public function getAllowedParams() {
|
|
return array(
|
|
'page' => array(
|
|
ApiBase::PARAM_REQUIRED => true,
|
|
),
|
|
'paction' => array(
|
|
ApiBase::PARAM_REQUIRED => true,
|
|
ApiBase::PARAM_TYPE => array(
|
|
'parse', 'parsefragment', 'serializeforcache', 'serialize', 'diff', 'getlanglinks',
|
|
),
|
|
),
|
|
'wikitext' => null,
|
|
'basetimestamp' => null,
|
|
'starttimestamp' => null,
|
|
'oldid' => null,
|
|
'html' => null,
|
|
'cachekey' => null,
|
|
);
|
|
}
|
|
|
|
public function needsToken() {
|
|
return false;
|
|
}
|
|
|
|
public function mustBePosted() {
|
|
return false;
|
|
}
|
|
|
|
public function isWriteMode() {
|
|
return true;
|
|
}
|
|
|
|
public function getVersion() {
|
|
return __CLASS__ . ': $Id$';
|
|
}
|
|
|
|
public function getParamDescription() {
|
|
return array(
|
|
'page' => 'The page to perform actions on.',
|
|
'paction' => 'Action to perform',
|
|
'oldid' => 'The revision number to use (defaults to latest version).',
|
|
'html' => 'HTML to send to parsoid in exchange for wikitext',
|
|
'basetimestamp' => 'When saving, set this to the timestamp of the revision that was'
|
|
. ' edited. Used to detect edit conflicts.',
|
|
'starttimestamp' => 'When saving, set this to the timestamp of when the page was loaded.'
|
|
. ' Used to detect edit conflicts.',
|
|
'cachekey' => 'For serialize or diff, use the result of a previous serializeforcache'
|
|
. ' request with this key. Overrides html.',
|
|
);
|
|
}
|
|
|
|
public function getDescription() {
|
|
return 'Returns HTML5 for a page from the parsoid service.';
|
|
}
|
|
}
|