: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, 102 deletions

diff --git a/library/HTMLPurifier/URIScheme.php b/library/HTMLPurifier/URIScheme.php
deleted file mode 100644
index fe9e82cf2..000000000
--- a/library/HTMLPurifier/URIScheme.php
+++ /dev/null
@@ -1,102 +0,0 @@
-<?php
-
-/**
- * Validator for the components of a URI for a specific scheme
- */
-abstract class HTMLPurifier_URIScheme
-{
-
-    /**
-     * Scheme's default port (integer). If an explicit port number is
-     * specified that coincides with the default port, it will be
-     * elided.
-     * @type int
-     */
-    public $default_port = null;
-
-    /**
-     * Whether or not URIs of this scheme are locatable by a browser
-     * http and ftp are accessible, while mailto and news are not.
-     * @type bool
-     */
-    public $browsable = false;
-
-    /**
-     * Whether or not data transmitted over this scheme is encrypted.
-     * https is secure, http is not.
-     * @type bool
-     */
-    public $secure = false;
-
-    /**
-     * Whether or not the URI always uses <hier_part>, resolves edge cases
-     * with making relative URIs absolute
-     * @type bool
-     */
-    public $hierarchical = false;
-
-    /**
-     * Whether or not the URI may omit a hostname when the scheme is
-     * explicitly specified, ala file:///path/to/file. As of writing,
-     * 'file' is the only scheme that browsers support his properly.
-     * @type bool
-     */
-    public $may_omit_host = false;
-
-    /**
-     * Validates the components of a URI for a specific scheme.
-     * @param HTMLPurifier_URI $uri Reference to a HTMLPurifier_URI object
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool success or failure
-     */
-    abstract public function doValidate(&$uri, $config, $context);
-
-    /**
-     * Public interface for validating components of a URI.  Performs a
-     * bunch of default actions. Don't overload this method.
-     * @param HTMLPurifier_URI $uri Reference to a HTMLPurifier_URI object
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @return bool success or failure
-     */
-    public function validate(&$uri, $config, $context)
-    {
-        if ($this->default_port == $uri->port) {
-            $uri->port = null;
-        }
-        // kludge: browsers do funny things when the scheme but not the
-        // authority is set
-        if (!$this->may_omit_host &&
-            // if the scheme is present, a missing host is always in error
-            (!is_null($uri->scheme) && ($uri->host === '' || is_null($uri->host))) ||
-            // if the scheme is not present, a *blank* host is in error,
-            // since this translates into '///path' which most browsers
-            // interpret as being 'http://path'.
-            (is_null($uri->scheme) && $uri->host === '')
-        ) {
-            do {
-                if (is_null($uri->scheme)) {
-                    if (substr($uri->path, 0, 2) != '//') {
-                        $uri->host = null;
-                        break;
-                    }
-                    // URI is '////path', so we cannot nullify the
-                    // host to preserve semantics.  Try expanding the
-                    // hostname instead (fall through)
-                }
-                // first see if we can manually insert a hostname
-                $host = $config->get('URI.Host');
-                if (!is_null($host)) {
-                    $uri->host = $host;
-                } else {
-                    // we can't do anything sensible, reject the URL.
-                    return false;
-                }
-            } while (false);
-        }
-        return $this->doValidate($uri, $config, $context);
-    }
-}
-
-// vim: et sw=4 sts=4