:arrow_up: Update HTML Purifier library.

Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.

1 files changed, 0 insertions, 52 deletions

diff --git a/library/HTMLPurifier/AttrTransform/Nofollow.php b/library/HTMLPurifier/AttrTransform/Nofollow.php
deleted file mode 100644
index 1057ebee1..000000000
--- a/library/HTMLPurifier/AttrTransform/Nofollow.php
+++ /dev/null
@@ -1,52 +0,0 @@
-<?php
-
-// must be called POST validation
-
-/**
- * Adds rel="nofollow" to all outbound links.  This transform is
- * only attached if Attr.Nofollow is TRUE.
- */
-class HTMLPurifier_AttrTransform_Nofollow 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 && !$url->isLocal($config, $context)) {
-            if (isset($attr['rel'])) {
-                $rels = explode(' ', $attr['rel']);
-                if (!in_array('nofollow', $rels)) {
-                    $rels[] = 'nofollow';
-                }
-                $attr['rel'] = implode(' ', $rels);
-            } else {
-                $attr['rel'] = 'nofollow';
-            }
-        }
-        return $attr;
-    }
-}
-
-// vim: et sw=4 sts=4