From f45a286b8d62f710b519a98c7d4b75a0c34d5d10 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.org.ru>
Date: Mon, 22 Jun 2009 13:56:49 +0400
Subject: strip_tags_long: use htmlpurifier to properly reformat html content

---
 .../library/HTMLPurifier/URIScheme/ftp.php         | 43 ++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100755 lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php

(limited to 'lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php')

diff --git a/lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php b/lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php
new file mode 100755
index 000000000..5849bf7ff
--- /dev/null
+++ b/lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Validates ftp (File Transfer Protocol) URIs as defined by generic RFC 1738.
+ */
+class HTMLPurifier_URIScheme_ftp extends HTMLPurifier_URIScheme {
+
+    public $default_port = 21;
+    public $browsable = true; // usually
+    public $hierarchical = true;
+
+    public function validate(&$uri, $config, $context) {
+        parent::validate($uri, $config, $context);
+        $uri->query    = null;
+
+        // typecode check
+        $semicolon_pos = strrpos($uri->path, ';'); // reverse
+        if ($semicolon_pos !== false) {
+            $type = substr($uri->path, $semicolon_pos + 1); // no semicolon
+            $uri->path = substr($uri->path, 0, $semicolon_pos);
+            $type_ret = '';
+            if (strpos($type, '=') !== false) {
+                // figure out whether or not the declaration is correct
+                list($key, $typecode) = explode('=', $type, 2);
+                if ($key !== 'type') {
+                    // invalid key, tack it back on encoded
+                    $uri->path .= '%3B' . $type;
+                } elseif ($typecode === 'a' || $typecode === 'i' || $typecode === 'd') {
+                    $type_ret = ";type=$typecode";
+                }
+            } else {
+                $uri->path .= '%3B' . $type;
+            }
+            $uri->path = str_replace(';', '%3B', $uri->path);
+            $uri->path .= $type_ret;
+        }
+
+        return true;
+    }
+
+}
+
+// vim: et sw=4 sts=4
-- 
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