--- loncom/auth/lonracc.pm	2000/06/30 17:09:51	1.2
+++ loncom/auth/lonracc.pm	2002/01/17 19:25:31	1.4
@@ -1,5 +1,30 @@
 # The LearningOnline Network
 # Access Handler for File Transfers
+#
+# $Id: lonracc.pm,v 1.4 2002/01/17 19:25:31 harris41 Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 # (lonacc: Cookie Based Access Handler
 # 5/21/99,5/22,5/29,5/31,6/15 Gerd Kortemeyer)
 # 6/16,6/18,7/3,
@@ -48,6 +73,50 @@ sub handler {
 1;
 __END__
 
+=head1 NAME
+
+Apache::lonracc - Access Handler for File Transfers
+
+=head1 SYNOPSIS
+
+Invoked by /etc/httpd/conf/loncapa.conf:
+
+ <LocationMatch "^/raw.*">
+ PerlAccessHandler Apache::lonracc
+ </LocationMatch>
+
+=head1 INTRODUCTION
+
+This module enables authentication for file transfers and works
+against the /res tree.
+
+Only lond invokes the /raw namespace through its subscribe function.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 HANDLER SUBROUTINE
+
+This routine is called by Apache and mod_perl.
+
+=over 4
+
+=item *
+
+Determine requesting host
+
+=item *
+
+See whether or not the requesting host is subscribed.
+
+=item *
+
+Respond with status of request and make log entry in case of unallowed
+access.
+
+=back
+
+=cut