: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, 68 deletions

diff --git a/library/HTMLPurifier/URIFilter/SafeIframe.php b/library/HTMLPurifier/URIFilter/SafeIframe.php
deleted file mode 100644
index f609c47a3..000000000
--- a/library/HTMLPurifier/URIFilter/SafeIframe.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-/**
- * Implements safety checks for safe iframes.
- *
- * @warning This filter is *critical* for ensuring that %HTML.SafeIframe
- * works safely.
- */
-class HTMLPurifier_URIFilter_SafeIframe extends HTMLPurifier_URIFilter
-{
-    /**
-     * @type string
-     */
-    public $name = 'SafeIframe';
-
-    /**
-     * @type bool
-     */
-    public $always_load = true;
-
-    /**
-     * @type string
-     */
-    protected $regexp = null;
-
-    // XXX: The not so good bit about how this is all set up now is we
-    // can't check HTML.SafeIframe in the 'prepare' step: we have to
-    // defer till the actual filtering.
-    /**
-     * @param HTMLPurifier_Config $config
-     * @return bool
-     */
-    public function prepare($config)
-    {
-        $this->regexp = $config->get('URI.SafeIframeRegexp');
-        return true;
-    }
-
-    /**
-     * @param HTMLPurifier_URI $uri
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool
-     */
-    public function filter(&$uri, $config, $context)
-    {
-        // check if filter not applicable
-        if (!$config->get('HTML.SafeIframe')) {
-            return true;
-        }
-        // check if the filter should actually trigger
-        if (!$context->get('EmbeddedURI', true)) {
-            return true;
-        }
-        $token = $context->get('CurrentToken', true);
-        if (!($token && $token->name == 'iframe')) {
-            return true;
-        }
-        // check if we actually have some whitelists enabled
-        if ($this->regexp === null) {
-            return false;
-        }
-        // actually check the whitelists
-        return preg_match($this->regexp, $uri->toString());
-    }
-}
-
-// vim: et sw=4 sts=4