1 files changed, 0 insertions, 68 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/URI/Host.php b/lib/htmlpurifier/library/HTMLPurifier/AttrDef/URI/Host.php
deleted file mode 100644
index feca469d7..000000000
--- a/lib/htmlpurifier/library/HTMLPurifier/AttrDef/URI/Host.php
+++ /dev/null
@@ -1,68 +0,0 @@
-<?php
-
-/**
- * Validates a host according to the IPv4, IPv6 and DNS (future) specifications.
- */
-class HTMLPurifier_AttrDef_URI_Host extends HTMLPurifier_AttrDef
-{
-
-    /**
-     * Instance of HTMLPurifier_AttrDef_URI_IPv4 sub-validator
-     */
-    protected $ipv4;
-
-    /**
-     * Instance of HTMLPurifier_AttrDef_URI_IPv6 sub-validator
-     */
-    protected $ipv6;
-
-    public function __construct() {
-        $this->ipv4 = new HTMLPurifier_AttrDef_URI_IPv4();
-        $this->ipv6 = new HTMLPurifier_AttrDef_URI_IPv6();
-    }
-
-    public function validate($string, $config, $context) {
-        $length = strlen($string);
-        // empty hostname is OK; it's usually semantically equivalent:
-        // the default host as defined by a URI scheme is used:
-        //
-        //      If the URI scheme defines a default for host, then that
-        //      default applies when the host subcomponent is undefined
-        //      or when the registered name is empty (zero length).
-        if ($string === '') return '';
-        if ($length > 1 && $string[0] === '[' && $string[$length-1] === ']') {
-            //IPv6
-            $ip = substr($string, 1, $length - 2);
-            $valid = $this->ipv6->validate($ip, $config, $context);
-            if ($valid === false) return false;
-            return '['. $valid . ']';
-        }
-
-        // need to do checks on unusual encodings too
-        $ipv4 = $this->ipv4->validate($string, $config, $context);
-        if ($ipv4 !== false) return $ipv4;
-
-        // A regular domain name.
-
-        // This breaks I18N domain names, but we don't have proper IRI support,
-        // so force users to insert Punycode. If there's complaining we'll
-        // try to fix things into an international friendly form.
-
-        // The productions describing this are:
-        $a   = '[a-z]';     // alpha
-        $an  = '[a-z0-9]';  // alphanum
-        $and = '[a-z0-9-]'; // alphanum | "-"
-        // domainlabel = alphanum | alphanum *( alphanum | "-" ) alphanum
-        $domainlabel   = "$an($and*$an)?";
-        // toplabel    = alpha | alpha *( alphanum | "-" ) alphanum
-        $toplabel      = "$a($and*$an)?";
-        // hostname    = *( domainlabel "." ) toplabel [ "." ]
-        $match = preg_match("/^($domainlabel\.)*$toplabel\.?$/i", $string);
-        if (!$match) return false;
-
-        return $string;
-    }
-
-}
-
-// vim: et sw=4 sts=4