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- less buggy better error messages

# The LearningOnline Network
# Access Handler for User Files
#
# $Id: lonuploadedacc.pm,v 1.5 2002/11/12 22:28:48 albertel 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/
#

package Apache::lonuploadedacc;

use strict;
use Apache::Constants qw(:common :remotehost);
use Apache::lonnet();

sub handler {
    my $r = shift;
    my $args=$r->args;
    &Apache::loncommon::get_unprocessed_cgi($args,['token']); 
    my (undef,undef,$udom,$uname,$ufile)=split(/\//,$r->uri);
    $ufile=~s/^[\~\.]+//;
    my ($homeserver)=($ENV{'form.token'}=~/\_([a-zA-Z0-9]+)$/);
    my $remoteip=$ENV{'REMOTE_ADDR'};
    my $remoteserver=$Apache::lonnet::iphost{$remoteip};
    &Apache::lonnet::logthis("remote server $remoteip $remoteserver");

    my $reply=&Apache::lonnet::reply('tokenauthuserfile:'.
                 $udom.'/'.$uname.'/'.$ufile.':'.$ENV{'form.token'},
				     $remoteserver);
    if ($reply eq 'ok') {
       return OK;
   } else {
       &Apache::lonnet::logthis(
"Refused userfile access $uname at $udom for $ufile from $remoteip -> $remoteserver home $homeserver with $ENV{'form.token'}: $reply");
       return FORBIDDEN;
   }
}

1;
__END__