Index: pathfilter.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/pathfilter/pathfilter.install,v
retrieving revision 1.1.2.1
diff -u -p -r1.1.2.1 pathfilter.install
--- pathfilter.install	17 May 2009 12:45:53 -0000	1.1.2.1
+++ pathfilter.install	3 Oct 2009 22:17:31 -0000
@@ -10,6 +10,14 @@
  */
 
 /**
+ * Implementation of hook_install()
+ */
+function pathfilter_install() {
+  $allowed_protocols = _pathfilter_allowed_protocol_helper();
+  variable_set('filter_allowed_protocols', $allowed_protocols);
+}
+
+/**
  * Implementation of hook_uninstall()
  */
 function pathfilter_uninstall() {
@@ -19,6 +27,12 @@ function pathfilter_uninstall() {
   // Disable pathfilter from all formats
   db_query("DELETE FROM {filters} WHERE module = '%s'", 'pathfilter');
   
+  // Remove internal and files from allowed protocols.
+  $allowed_protocols = array_flip(_pathfilter_allowed_protocol_helper());
+  unset($allowed_protocols['internal']);
+  unset($allowed_protocols['files']);
+  variable_set('filter_allowed_protocols', array_flip($allowed_protocols));
+  
   cache_clear_all('variables', 'cache');
   watchdog('pathfilter', 'Path filter module removed');
 }
@@ -41,3 +55,20 @@ function pathfilter_update_5101() {
   variable_del('pathfilter_link_type');
   return array();
 }
+
+/**
+ * Add internal and files to allowed protocol variable.
+ */
+function pathfilter_update_5102() {
+  $allowed_protocols = _pathfilter_allowed_protocol_helper();
+  variable_set('filter_allowed_protocols', $allowed_protocols)
+}
+
+/**
+ * Helper function returns allowed protocols with internal and files added.
+ */
+function _pathfilter_allowed_protocol_helper() {
+  $allowed_protocols = variable_get('filter_allowed_protocols', array('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'mailto', 'irc', 'ssh', 'sftp', 'webcal'));
+  return array_merge($allowed_protocols, array('internal', 'files'));
+}
+