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-rw-r--r--lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php42
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php b/lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php
new file mode 100644
index 000000000..0fb2abf64
--- /dev/null
+++ b/lib/htmlpurifier/library/HTMLPurifier/URIScheme/ftp.php
@@ -0,0 +1,42 @@
+<?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 $hierarchical = true;
+
+ public function doValidate(&$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