From f718e2b0db0fe3477212a8dd6c3ec067f4432862 Mon Sep 17 00:00:00 2001
From: Klaus Weidenbach <Klaus.Weidenbach@gmx.net>
Date: Sat, 18 Mar 2017 17:50:05 +0100
Subject: :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.
---
 .../HTMLPurifier/Strategy/ValidateAttributes.php   | 45 ++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php

(limited to 'vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php')

diff --git a/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php
new file mode 100644
index 000000000..fbb3d27c8
--- /dev/null
+++ b/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Validate all attributes in the tokens.
+ */
+
+class HTMLPurifier_Strategy_ValidateAttributes extends HTMLPurifier_Strategy
+{
+
+    /**
+     * @param HTMLPurifier_Token[] $tokens
+     * @param HTMLPurifier_Config $config
+     * @param HTMLPurifier_Context $context
+     * @return HTMLPurifier_Token[]
+     */
+    public function execute($tokens, $config, $context)
+    {
+        // setup validator
+        $validator = new HTMLPurifier_AttrValidator();
+
+        $token = false;
+        $context->register('CurrentToken', $token);
+
+        foreach ($tokens as $key => $token) {
+
+            // only process tokens that have attributes,
+            //   namely start and empty tags
+            if (!$token instanceof HTMLPurifier_Token_Start && !$token instanceof HTMLPurifier_Token_Empty) {
+                continue;
+            }
+
+            // skip tokens that are armored
+            if (!empty($token->armor['ValidateAttributes'])) {
+                continue;
+            }
+
+            // note that we have no facilities here for removing tokens
+            $validator->validateToken($token, $config, $context);
+        }
+        $context->destroy('CurrentToken');
+        return $tokens;
+    }
+}
+
+// vim: et sw=4 sts=4
-- 
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