1 files changed, 45 insertions, 0 deletions

diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform/TargetBlank.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform/TargetBlank.php
new file mode 100644
index 00000000..f66dcf8c
--- /dev/null
+++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/AttrTransform/TargetBlank.php
@@ -0,0 +1,45 @@
+<?php

+

+// must be called POST validation

+

+/**

+ * Adds target="blank" to all outbound links.  This transform is

+ * only attached if Attr.TargetBlank is TRUE.  This works regardless

+ * of whether or not Attr.AllowedFrameTargets

+ */

+class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform

+{

+    /**

+     * @type HTMLPurifier_URIParser

+     */

+    private $parser;

+

+    public function __construct()

+    {

+        $this->parser = new HTMLPurifier_URIParser();

+    }

+

+    /**

+     * @param array $attr

+     * @param HTMLPurifier_Config $config

+     * @param HTMLPurifier_Context $context

+     * @return array

+     */

+    public function transform($attr, $config, $context)

+    {

+        if (!isset($attr['href'])) {

+            return $attr;

+        }

+

+        // XXX Kind of inefficient

+        $url = $this->parser->parse($attr['href']);

+        $scheme = $url->getSchemeObj($config, $context);

+

+        if ($scheme->browsable && !$url->isBenign($config, $context)) {

+            $attr['target'] = '_blank';

+        }

+        return $attr;

+    }

+}

+

+// vim: et sw=4 sts=4