left_delimiter = '';
$smarty->compile_dir = $wgWidgetsCompileDir;
// registering custom Smarty plugins
$smarty->addPluginsDir( __DIR__ . "/smarty_plugins/" );
$smarty->enableSecurity();
// These settings were for Smarty v2 - they don't seem to
// have an equivalent in Smarty v3.
/*
$smarty->security_settings = array(
'IF_FUNCS' => array(
'is_array',
'isset',
'array',
'list',
'count',
'sizeof',
'in_array',
'true',
'false',
'null'
),
'MODIFIER_FUNCS' => array( 'validate' )
);
*/
// Register the Widgets extension functions.
$smarty->registerResource(
'wiki',
[
[ 'WidgetRenderer', 'wiki_get_template' ],
[ 'WidgetRenderer', 'wiki_get_timestamp' ],
[ 'WidgetRenderer', 'wiki_get_secure' ],
[ 'WidgetRenderer', 'wiki_get_trusted' ]
]
);
$params = func_get_args();
// The first and second params are the parser and the widget
// name - we already have both.
array_shift( $params );
array_shift( $params );
$params_tree = [];
foreach ( $params as $param ) {
$pair = explode( '=', $param, 2 );
if ( count( $pair ) == 2 ) {
$key = trim( $pair[0] );
$val = trim( $pair[1] );
} else {
$key = $param;
$val = true;
}
if ( $val == 'false' ) {
$val = false;
}
/* If the name of the parameter has object notation
a.b.c.d
then we assign stuff to hash of hashes, not scalar
*/
$keys = explode( '.', $key );
// $subtree will be moved from top to the bottom and
// at the end will point to the last level.
$subtree =& $params_tree;
// Go through all the keys but the last one.
$last_key = array_pop( $keys );
foreach ( $keys as $subkey ) {
// If next level of subtree doesn't exist yet,
// create an empty one.
if ( !array_key_exists( $subkey, $subtree ) ) {
$subtree[$subkey] = [];
}
// move to the lower level
$subtree =& $subtree[$subkey];
}
// last portion of the key points to itself
if ( isset( $subtree[$last_key] ) ) {
// If this is already an array, push into it;
// otherwise, convert into an array first.
if ( !is_array( $subtree[$last_key] ) ) {
$subtree[$last_key] = [ $subtree[$last_key] ];
}
$subtree[$last_key][] = $val;
} else {
// doesn't exist yet, just setting a value
$subtree[$last_key] = $val;
}
}
$smarty->assign( $params_tree );
try {
$output = $smarty->fetch( "wiki:$widgetName" );
} catch ( Exception $e ) {
wfDebugLog( "Widgets", "Smarty exception while parsing '$widgetName': " . $e->getMessage() );
return '' . wfMessage( 'widgets-error', htmlentities( $widgetName ) )->text() . ': ' . $e->getMessage() . '
';
}
// To prevent the widget output from being tampered with, the
// compiled HTML is stored and a strip marker with an index to
// retrieve it later is returned.
$index = array_push( self::$widgets, $output ) - 1;
return self::$markerPrefix . '-' . $index . self::$markerSuffix;
}
public static function outputCompiledWidget( &$out, &$text ) {
$text = preg_replace_callback(
'/' . self::$markerPrefix . '-(\d+)' . self::$markerSuffix . '/S',
function ( $matches ) {
// Can't use self:: in an anonymous function pre PHP 5.4
return WidgetRenderer::$widgets[$matches[1]];
},
$text
);
return true;
}
// The following four functions are all registered with Smarty.
public static function wiki_get_template( $widgetName, &$widgetCode, $smarty_obj ) {
global $wgWidgetsUseFlaggedRevs;
$widgetTitle = Title::makeTitleSafe( NS_WIDGET, $widgetName );
if ( $widgetTitle && $widgetTitle->exists() ) {
if ( $wgWidgetsUseFlaggedRevs ) {
$flaggedWidgetArticle = FlaggedArticle::getTitleInstance( $widgetTitle );
$flaggedWidgetArticleRevision = $flaggedWidgetArticle->getStableRev();
if ( $flaggedWidgetArticleRevision ) {
$widgetCode = $flaggedWidgetArticleRevision->getRevText();
} else {
$widgetCode = '';
}
} else {
$widgetWikiPage = new WikiPage( $widgetTitle );
$widgetContent = $widgetWikiPage->getContent();
$widgetCode = ContentHandler::getContentText( $widgetContent );
}
// Remove sections and tags from form definition
$widgetCode = StringUtils::delimiterReplace( '', '', '', $widgetCode );
$widgetCode = strtr( $widgetCode, [ '' => '', '' => '' ] );
return true;
} else {
return false;
}
}
public static function wiki_get_timestamp( $widgetName, &$widgetTimestamp, $smarty_obj ) {
$widgetTitle = Title::newFromText( $widgetName, NS_WIDGET );
if ( $widgetTitle && $widgetTitle->exists() ) {
$widgetArticle = new Article( $widgetTitle, 0 );
$widgetTimestamp = $widgetArticle->getTouched();
return true;
} else {
return false;
}
}
public static function wiki_get_secure( $tpl_name, &$smarty_obj ) {
// assume all templates are secure
return true;
}
public static function wiki_get_trusted( $tpl_name, &$smarty_obj ) {
// not used for templates
}
}