: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, 111 deletions

diff --git a/library/HTMLPurifier/AttrDef/URI.php b/library/HTMLPurifier/AttrDef/URI.php
deleted file mode 100644
index c1cd89772..000000000
--- a/library/HTMLPurifier/AttrDef/URI.php
+++ /dev/null
@@ -1,111 +0,0 @@
-<?php
-
-/**
- * Validates a URI as defined by RFC 3986.
- * @note Scheme-specific mechanics deferred to HTMLPurifier_URIScheme
- */
-class HTMLPurifier_AttrDef_URI extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * @type HTMLPurifier_URIParser
-     */
-    protected $parser;
-
-    /**
-     * @type bool
-     */
-    protected $embedsResource;
-
-    /**
-     * @param bool $embeds_resource Does the URI here result in an extra HTTP request?
-     */
-    public function __construct($embeds_resource = false)
-    {
-        $this->parser = new HTMLPurifier_URIParser();
-        $this->embedsResource = (bool)$embeds_resource;
-    }
-
-    /**
-     * @param string $string
-     * @return HTMLPurifier_AttrDef_URI
-     */
-    public function make($string)
-    {
-        $embeds = ($string === 'embedded');
-        return new HTMLPurifier_AttrDef_URI($embeds);
-    }
-
-    /**
-     * @param string $uri
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool|string
-     */
-    public function validate($uri, $config, $context)
-    {
-        if ($config->get('URI.Disable')) {
-            return false;
-        }
-
-        $uri = $this->parseCDATA($uri);
-
-        // parse the URI
-        $uri = $this->parser->parse($uri);
-        if ($uri === false) {
-            return false;
-        }
-
-        // add embedded flag to context for validators
-        $context->register('EmbeddedURI', $this->embedsResource);
-
-        $ok = false;
-        do {
-
-            // generic validation
-            $result = $uri->validate($config, $context);
-            if (!$result) {
-                break;
-            }
-
-            // chained filtering
-            $uri_def = $config->getDefinition('URI');
-            $result = $uri_def->filter($uri, $config, $context);
-            if (!$result) {
-                break;
-            }
-
-            // scheme-specific validation
-            $scheme_obj = $uri->getSchemeObj($config, $context);
-            if (!$scheme_obj) {
-                break;
-            }
-            if ($this->embedsResource && !$scheme_obj->browsable) {
-                break;
-            }
-            $result = $scheme_obj->validate($uri, $config, $context);
-            if (!$result) {
-                break;
-            }
-
-            // Post chained filtering
-            $result = $uri_def->postFilter($uri, $config, $context);
-            if (!$result) {
-                break;
-            }
-
-            // survived gauntlet
-            $ok = true;
-
-        } while (false);
-
-        $context->destroy('EmbeddedURI');
-        if (!$ok) {
-            return false;
-        }
-        // back to string
-        return $uri->toString();
-    }
-}
-
-// vim: et sw=4 sts=4