: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, 81 deletions

diff --git a/library/HTMLPurifier/URISchemeRegistry.php b/library/HTMLPurifier/URISchemeRegistry.php
deleted file mode 100644
index 4ac8a0b76..000000000
--- a/library/HTMLPurifier/URISchemeRegistry.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-
-/**
- * Registry for retrieving specific URI scheme validator objects.
- */
-class HTMLPurifier_URISchemeRegistry
-{
-
-    /**
-     * Retrieve sole instance of the registry.
-     * @param HTMLPurifier_URISchemeRegistry $prototype Optional prototype to overload sole instance with,
-     *                   or bool true to reset to default registry.
-     * @return HTMLPurifier_URISchemeRegistry
-     * @note Pass a registry object $prototype with a compatible interface and
-     *       the function will copy it and return it all further times.
-     */
-    public static function instance($prototype = null)
-    {
-        static $instance = null;
-        if ($prototype !== null) {
-            $instance = $prototype;
-        } elseif ($instance === null || $prototype == true) {
-            $instance = new HTMLPurifier_URISchemeRegistry();
-        }
-        return $instance;
-    }
-
-    /**
-     * Cache of retrieved schemes.
-     * @type HTMLPurifier_URIScheme[]
-     */
-    protected $schemes = array();
-
-    /**
-     * Retrieves a scheme validator object
-     * @param string $scheme String scheme name like http or mailto
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return HTMLPurifier_URIScheme
-     */
-    public function getScheme($scheme, $config, $context)
-    {
-        if (!$config) {
-            $config = HTMLPurifier_Config::createDefault();
-        }
-
-        // important, otherwise attacker could include arbitrary file
-        $allowed_schemes = $config->get('URI.AllowedSchemes');
-        if (!$config->get('URI.OverrideAllowedSchemes') &&
-            !isset($allowed_schemes[$scheme])
-        ) {
-            return;
-        }
-
-        if (isset($this->schemes[$scheme])) {
-            return $this->schemes[$scheme];
-        }
-        if (!isset($allowed_schemes[$scheme])) {
-            return;
-        }
-
-        $class = 'HTMLPurifier_URIScheme_' . $scheme;
-        if (!class_exists($class)) {
-            return;
-        }
-        $this->schemes[$scheme] = new $class();
-        return $this->schemes[$scheme];
-    }
-
-    /**
-     * Registers a custom scheme to the cache, bypassing reflection.
-     * @param string $scheme Scheme name
-     * @param HTMLPurifier_URIScheme $scheme_obj
-     */
-    public function register($scheme, $scheme_obj)
-    {
-        $this->schemes[$scheme] = $scheme_obj;
-    }
-}
-
-// vim: et sw=4 sts=4