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- only update the finfo if the file exists

    1: # The LearningOnline Network
    2: # Replication Manager
    3: #
    4: # $Id: lonrep.pm,v 1.12 2007/01/29 22:07:12 albertel 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::lonrep;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common :http);
   33: use Apache::lonnet;
   34: use Apache::File();
   35: use CGI::Cookie();
   36: 
   37: sub update_filename {
   38:     my ($r,$filename) = @_;
   39:     my $oldfile = $r->filename($filename);
   40:     if ($ENV{'MOD_PERL_API_VERSION'} == 2
   41: 	&& -e $filename) {
   42: 	require APR::Finfo;
   43: 	require APR::Const;
   44: 	$r->finfo(APR::Finfo::stat($filename, 
   45: 				   &APR::Const::FINFO_NORM(),
   46: 				   $r->pool));
   47:     }
   48:     return $oldfile;
   49: }
   50: 
   51: sub handler {
   52:     my $r = shift;
   53:     if (-e $r->finfo) {
   54:       return OK;
   55:     } else {
   56:       my $filename=$r->filename.$r->path_info;
   57:       if ($filename=~/\/$/) { return OK; }
   58:       if (-e "$filename.in.transfer") {
   59: 	sleep 10;
   60:         if (-e $filename) {
   61: 	    &update_filename($r,$filename);
   62: 	    return OK;
   63:         } else {
   64: 	    $r->log_reason("Waiting for file transfer timed out",$filename);
   65: 	    return HTTP_SERVICE_UNAVAILABLE;
   66:         }
   67:       } else {
   68:           my $response=Apache::lonnet::repcopy($filename);
   69:           if ($response eq 'ok' && -e $filename) {
   70: 	      $r->path_info('');
   71: 	      &update_filename($r,$filename);
   72:               return OK;
   73:           }
   74:           my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
   75:           my $lonid=$cookies{'lonID'};
   76:           if ($lonid) {
   77: 	     $r->log_reason('Replication failed for '.$lonid->value);
   78:              return $response;
   79: 	  } else {
   80: 	     $r->log_reason('Replication failed for unknown user'); 
   81:              return FORBIDDEN;
   82:           } 
   83:       }
   84:     }
   85: }
   86: 
   87: 1;
   88: __END__
   89: 
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   96: