Version 4.1.19

system/Text/HtmlPurifierSwitchAttrDef.php

@@ -0,0 +1,66 @@
+<?php
+/**
+ * @brief		A HTMLPurifier Attribute Definition which imitates HTMLPurifier_AttrDef_Switch but allows checking if certain attributes exist
+ * @author		<a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) 2001 - 2016 Invision Power Services, Inc.
+ * @license		http://www.invisionpower.com/legal/standards/
+ * @package		IPS Community Suite
+ * @since		4 May 2016
+ * @version		SVN_VERSION_NUMBER
+ */
+
+namespace IPS\Text;
+
+/* To prevent PHP errors (extending class does not exist) revealing path */
+if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
+{
+	header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
+	exit;
+}
+
+/**
+ * A HTMLPurifier Attribute Definition which imitates HTMLPurifier_AttrDef_Switch but allows checking if certain attributes exist
+ */
+class _HtmlPurifierSwitchAttrDef extends \HTMLPurifier_AttrDef_Switch
+{
+	public $required = FALSE;
+	
+	/**
+	 * @brief	Attributes
+	 */
+	protected $attributes = array();
+	
+	/**
+	 * Constructor
+	 *
+     * @param	string					$tag			The tag name to check
+     * @param	array					$attributes		The attributes to check on
+     * @param	\HTMLPurifier_AttrDef	$with_tag		If $tag matches and all $attributes are present, this definition will be used
+     * @param	\HTMLPurifier_AttrDef	$without_tag	Otherwise, this definition will be used
+     */
+    public function __construct( $tag, $attributes, $with_tag, $without_tag )
+    {
+	    $this->attributes = $attributes;
+		parent::__construct( $tag, $with_tag, $without_tag );
+    }
+    
+	/**
+	 * Validate
+	 * 
+     * @param	string					$string
+     * @param	\HTMLPurifier_Config	$config
+     * @param	\HTMLPurifier_Context	$context
+     * @return	bool|string
+     */
+    public function validate( $string, $config, $context )
+    {
+	    $token = $context->get('CurrentToken', true);
+	    
+        if ( count( array_diff( $this->attributes, array_keys( $token->attr ) ) ) )
+        {
+			return $this->withoutTag->validate( $string, $config, $context );
+        }
+        
+		return parent::validate( $string, $config, $context );
+	}
+}