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No need to do the copy if the session is hosted on the course's home server as $r->filename was already set to point to file in lonUsers/ ... /userfiles/ by lontrans.pm

    1: # The LearningOnline Network
    2: # Uploaded File Replication Manager
    3: #
    4: # Copyright Michigan State University Board of Trustees
    5: #
    6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    7: #
    8: # LON-CAPA is free software; you can redistribute it and/or modify
    9: # it under the terms of the GNU General Public License as published by
   10: # the Free Software Foundation; either version 2 of the License, or
   11: # (at your option) any later version.
   12: #
   13: # LON-CAPA is distributed in the hope that it will be useful,
   14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   16: # GNU General Public License for more details.
   17: #
   18: # You should have received a copy of the GNU General Public License
   19: # along with LON-CAPA; if not, write to the Free Software
   20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   21: #
   22: # /home/httpd/html/adm/gpl.txt
   23: #
   24: # http://www.lon-capa.org/
   25: #
   26: 
   27: package Apache::lonuploadrep;
   28: 
   29: use strict;
   30: use Apache::Constants qw(:common :http);
   31: use Apache::lonnet();
   32: use CGI::Cookie();
   33: 
   34: sub handler {
   35:     my $r = shift;
   36:     if ($r->uri =~m|^/*uploaded/(\w+)/(\w+)/(.+)$|) {
   37:         my $chome=&Apache::lonnet::homeserver($2,$1);
   38:         if ($chome eq $Apache::lonnet::perlvar{'lonHostID'}) { return OK; }
   39:         my $filename =  $Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.$1.'/'.$2.'/'.$3;
   40:         my ($info, $rtncode);
   41:         if (-f $filename) {
   42:             &Apache::lonnet::getuploaded('HEAD',$r->uri,$1,$2,\$info,\$rtncode);
   43:             if ($rtncode eq '404') {
   44:                 unlink($filename);
   45:             } elsif ( ($info > 0) && ($info =~ /\d+/) )  {
   46:                 my @statinfo = stat($filename); 
   47:                 if ($statinfo[9] >= $info ) {
   48:                     $r->filename($filename);
   49:                     return OK;
   50:                 }
   51:             }
   52:         }
   53:         my $response=&Apache::lonnet::getfile($r->uri,'uploadrep');
   54:         if ($response eq 'ok') {
   55:             $r->filename($filename);
   56:             return OK;
   57:         }
   58:     }
   59:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
   60:     my $lonid=$cookies{'lonID'};
   61:     if ($lonid) {
   62:         $r->log_reason('Copying failed in lonuploadrep for '.$lonid->value);
   63:         return HTTP_NOT_FOUND;
   64:     } else {
   65:         $r->log_reason('Copying failed in lonuploadrep for unknown user'); 
   66:         return FORBIDDEN;
   67:     }
   68: }
   69: 
   70: 1;
   71: __END__