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    1: # The LearningOnline Network
    2: # URL translation for User Files
    3: #
    4: # $Id: lontrans.pm,v 1.11 2006/05/30 12:45:12 www Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lontrans;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :remotehost);
   33: use Apache::lonnet();
   34: use Apache::File();
   35: use lib '/home/httpd/lib/perl';
   36: use LONCAPA;
   37: 
   38: 
   39: sub handler {
   40:     my $r = shift;
   41:     if ($r->uri=~m|^(/raw)?/uploaded/|) {
   42:         my $fn = $r->uri();
   43:         $fn=~s/^\/raw//;
   44:         my (undef,undef,$udom,$uname,@ufile)=split(/\//,$fn);
   45: 	if (@ufile) { $ufile[-1]=~s/^[\~\.]+//; }
   46:         my $chome=&Apache::lonnet::homeserver($uname,$udom);
   47: 	my $allowed=0;
   48: 	my @ids=&Apache::lonnet::current_machine_ids();
   49: 	foreach my $id (@ids) { if ($id eq $chome) { $allowed=1; } }
   50: 	if ($allowed) {
   51:             $r->filename(&propath($udom,$uname).
   52:                      '/userfiles/'.(join('/',@ufile)));
   53:         }
   54:     } elsif ($r->uri=~m|^/~|) {	
   55: 	#internal authentication, needs fixup.
   56: 	my $fn = $r->uri(); # non users do not get the full path request
   57: 	                 # through SCRIPT_FILENAME
   58: 	$fn=~s|^/~(\w+)|/home/$1/public_html|;
   59: 	$r->filename($fn);
   60:     } else { return DECLINED; }
   61:     return OK;
   62: }
   63: 
   64: 1;
   65: __END__
   66: 
   67: 
   68: 
   69: 
   70: 
   71: 
   72: