--- loncom/auth/checkauthen.pm	2006/09/19 15:18:54	1.8
+++ loncom/auth/checkauthen.pm	2012/04/18 18:55:06	1.13
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # checks for a cokkie to authenticate a user
 #
-# $Id: checkauthen.pm,v 1.8 2006/09/19 15:18:54 albertel Exp $
+# $Id: checkauthen.pm,v 1.13 2012/04/18 18:55:06 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -36,6 +36,10 @@ use Apache::lonnet;
 sub handler {
     my ($r) = @_;
 
+    if (&Apache::lonnet::is_domainimage($r->uri)) {
+        return OK;
+    }
+
     if ($r->auth_type() ne 'LONCAPA') {
 	return DECLINED;
     }
@@ -57,21 +61,17 @@ sub handler {
 	}
     }
 
-    my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
-    my $lonid=$cookies{'lonID'};
-    my $handle;
-    if ($lonid) {
-        my $handle = $lonid->value;
-        $handle=~s/\W//g;
-        $handle = $r->dir_config('lonIDsDir')."/$handle.id";
-    } else {
+    my $handle = &Apache::lonnet::check_for_valid_session($r);
+    if ($handle eq '') {
         $handle = $env{'user.environment'};
     }
 
-    if (($handle ne '') && (-e $handle)) {
+    if ($handle ne '') {
         return OK;
     }
-
+    if (($fail == FORBIDDEN) && ($r->uri eq '/adm/email')) {
+        $env{'form.firsturl'} = $r->uri;
+    }
     return $fail;
 }