Export allowed tags from Sanitizer to mediawiki.jqueryMsg

Specifically, we export only those that are allowed to be paired,
because its parser doesn't handle self-closing tags.

Bug: T66740
Change-Id: I9944f9af915715c57a7d9ce3c62c3e61e54a75ba
This commit is contained in:
Brad Jorsch 2015-05-23 08:48:55 +02:00
parent 5dfb04f8e3
commit 4a3e50a541
5 changed files with 114 additions and 12 deletions

View file

@ -995,6 +995,7 @@ $wgAutoloadLocalClasses = array(
'ResourceLoaderFilePath' => __DIR__ . '/includes/resourceloader/ResourceLoaderFilePath.php',
'ResourceLoaderImage' => __DIR__ . '/includes/resourceloader/ResourceLoaderImage.php',
'ResourceLoaderImageModule' => __DIR__ . '/includes/resourceloader/ResourceLoaderImageModule.php',
'ResourceLoaderJqueryMsgDataModule' => __DIR__ . '/includes/resourceloader/ResourceLoaderJqueryMsgDataModule.php',
'ResourceLoaderLanguageDataModule' => __DIR__ . '/includes/resourceloader/ResourceLoaderLanguageDataModule.php',
'ResourceLoaderLanguageNamesModule' => __DIR__ . '/includes/resourceloader/ResourceLoaderLanguageNamesModule.php',
'ResourceLoaderModule' => __DIR__ . '/includes/resourceloader/ResourceLoaderModule.php',

View file

@ -359,20 +359,13 @@ class Sanitizer {
}
/**
* Cleans up HTML, removes dangerous tags and attributes, and
* removes HTML comments
* @param string $text
* @param callable $processCallback Callback to do any variable or parameter
* replacements in HTML attribute values
* @param array|bool $args Arguments for the processing callback
* Return the various lists of recognized tags
* @param array $extratags For any extra tags to include
* @param array $removetags For any tags (default or extra) to exclude
* @return string
* @return array
*/
public static function removeHTMLtags( $text, $processCallback = null,
$args = array(), $extratags = array(), $removetags = array()
) {
global $wgUseTidy, $wgAllowMicrodataAttributes, $wgAllowImageTag;
public static function getRecognizedTagData( $extratags = array(), $removetags = array() ) {
global $wgAllowMicrodataAttributes, $wgAllowImageTag;
static $htmlpairsStatic, $htmlsingle, $htmlsingleonly, $htmlnest, $tabletags,
$htmllist, $listtags, $htmlsingleallowed, $htmlelementsStatic, $staticInitialised;
@ -431,12 +424,44 @@ class Sanitizer {
}
$staticInitialised = $globalContext;
}
# Populate $htmlpairs and $htmlelements with the $extratags and $removetags arrays
$extratags = array_flip( $extratags );
$removetags = array_flip( $removetags );
$htmlpairs = array_merge( $extratags, $htmlpairsStatic );
$htmlelements = array_diff_key( array_merge( $extratags, $htmlelementsStatic ), $removetags );
return array(
'htmlpairs' => $htmlpairs,
'htmlsingle' => $htmlsingle,
'htmlsingleonly' => $htmlsingleonly,
'htmlnest' => $htmlnest,
'tabletags' => $tabletags,
'htmllist' => $htmllist,
'listtags' => $listtags,
'htmlsingleallowed' => $htmlsingleallowed,
'htmlelements' => $htmlelements,
);
}
/**
* Cleans up HTML, removes dangerous tags and attributes, and
* removes HTML comments
* @param string $text
* @param callable $processCallback Callback to do any variable or parameter
* replacements in HTML attribute values
* @param array|bool $args Arguments for the processing callback
* @param array $extratags For any extra tags to include
* @param array $removetags For any tags (default or extra) to exclude
* @return string
*/
public static function removeHTMLtags( $text, $processCallback = null,
$args = array(), $extratags = array(), $removetags = array()
) {
global $wgUseTidy;
extract( self::getRecognizedTagData( $extratags, $removetags ) );
# Remove HTML comments
$text = Sanitizer::removeHTMLcomments( $text );
$bits = explode( '<', $text );

View file

@ -0,0 +1,62 @@
<?php
/**
* Resource loader module for populating mediawiki.jqueryMsg data.
*
* 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
* @author Brad Jorsch
*/
/**
* ResourceLoader module for populating mediawiki.jqueryMsg data.
*/
class ResourceLoaderJqueryMsgDataModule extends ResourceLoaderModule {
protected $targets = array( 'desktop', 'mobile' );
/**
* @param ResourceLoaderContext $context
* @return string JavaScript code
*/
public function getScript( ResourceLoaderContext $context ) {
$jsData = array();
$tagData = Sanitizer::getRecognizedTagData();
$jsData['allowedHtmlElements'] = array_merge(
array_keys( $tagData['htmlpairs'] ),
array_diff(
array_keys( $tagData['htmlsingle'] ),
array_keys( $tagData['htmlsingleonly'] )
)
);
return "if ( !mw.jqueryMsg ) {\n" .
"\tmw.jqueryMsg = {};\n" .
"}\n" .
"mw.jqueryMsg.data = " . Xml::encodeJsVar( $jsData ) . ";\n";
}
/**
* @param ResourceLoaderContext $context
* @return array|null
*/
public function getDefinitionSummary( ResourceLoaderContext $context ) {
$ret = parent::getDefinitionSummary( $context );
$ret['hash'] = md5( $this->getScript( $context ) );
return $ret;
}
}

View file

@ -58,6 +58,9 @@ return array(
// Scripts for the dynamic language specific data, like grammar forms.
'mediawiki.language.data' => array( 'class' => 'ResourceLoaderLanguageDataModule' ),
// Dynamic data for mediawiki.jqueryMsg, such as allowed tags
'mediawiki.jqueryMsg.data' => array( 'class' => 'ResourceLoaderJqueryMsgDataModule' ),
/* MediaWiki base skinning modules */
/**
@ -1270,6 +1273,7 @@ return array(
'mediawiki.jqueryMsg' => array(
'scripts' => 'resources/src/mediawiki/mediawiki.jqueryMsg.js',
'dependencies' => array(
'mediawiki.jqueryMsg.data',
'mediawiki.util',
'mediawiki.language',
'dom-level2-shim',

View file

@ -17,8 +17,10 @@
magic: {
'SITENAME': mw.config.get( 'wgSiteName' )
},
// This is a whitelist based on, but simpler than, Sanitizer.php.
// This is a whitelist like Sanitizer.php.
// Self-closing tags are not currently supported.
// The simplified default here is overridden below by data supplied
// by the mediawiki.jqueryMsg.data module.
allowedHtmlElements: [
'b',
'i'
@ -130,6 +132,14 @@
};
}
// Use data from mediawiki.jqueryMsg.data to override defaults, if
// available
if ( mw.jqueryMsg && mw.jqueryMsg.data ) {
if ( mw.jqueryMsg.data.allowedHtmlElements ) {
parserDefaults.allowedHtmlElements = mw.jqueryMsg.data.allowedHtmlElements;
}
}
mw.jqueryMsg = {};
/**