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Diff for /loncom/lonnet/perl/lonrep.pm between versions 1.1 and 1.13

version 1.1, 1999/10/13 17:48:51 version 1.13, 2007/04/26 01:18:47
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Replication Manager  # Replication Manager
 # (Access Handler for File Transfers  #
 # (lonacc: Cookie Based Access Handler  # $Id$
 # 5/21/99,5/22,5/29,5/31,6/15 Gerd Kortemeyer)  #
 # 6/16,6/18 Gerd Kortemeyer)  # Copyright Michigan State University Board of Trustees
 # 6/18,6/21,6/26,6/28,6/29,6/30,  #
 # 7/2,7/3,7/9,7/10,7/12 Gerd Kortemeyer  # 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::lonrep;  package Apache::lonrep;
   
 use strict;  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use LWP::UserAgent();  use Apache::lonnet;
 use Apache::lonnet();  
 use Apache::File();  use Apache::File();
   use CGI::Cookie();
   
   sub update_filename {
       my ($r,$filename) = @_;
       my $oldfile = $r->filename($filename);
       if ($ENV{'MOD_PERL_API_VERSION'} == 2
    && -e $filename) {
    eval {
       require APR::Finfo;
       require APR::Const;
       $r->finfo(APR::Finfo::stat($filename, 
          &APR::Const::FINFO_NORM(),
          $r->pool));
    };
    if ($@) {
       return $@;
    }
       }
       return;
   }
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
Line 21  sub handler { Line 59  sub handler {
       return OK;        return OK;
     } else {      } else {
       my $filename=$r->filename.$r->path_info;        my $filename=$r->filename.$r->path_info;
       my $transname="$filename.in.transfer";        if ($filename=~/\/$/) { return OK; }
       if (-e $transname) {        if (-e "$filename.in.transfer") {
  sleep 10;   sleep 10;
         $r->filename($filename);          if (-e $filename) {
         if (-e $r->finfo) {      my $error = &update_filename($r,$filename);
    return OK;      if ($error) {
    $r->log_reason('Update filename failed '.$error);
    return HTTP_SERVICE_UNAVAILABLE;
       }
       return OK;
         } else {          } else {
    $r->log_reason("Waiting for file transfer timed out",$filename);      $r->log_reason("Waiting for file transfer timed out",$filename);
    return HTTP_SERVICE_UNAVAILABLE;      return HTTP_SERVICE_UNAVAILABLE;
         }          }
       } else {        } else {
         my $remoteurl=Apache::lonnet::subscribe($filename);            my $response=&Apache::lonnet::repcopy($filename);
         if ($remoteurl eq 'con_lost') {            if ($response eq 'ok' && -e $filename) {
    $r->log_reason("Subscribe returned con_lost",$filename);        $r->path_info('');
            return HTTP_SERVICE_UNAVAILABLE;        my $error = &update_filename($r,$filename);
  } elsif ($remoteurl eq 'not_found') {        if ($error) {
    $r->log_reason("Subscribe returned not_found",$filename);    $r->log_reason('Update filename failed after replication '.$error);
    return HTTP_NOT_FOUND;    return HTTP_SERVICE_UNAVAILABLE;
         } elsif ($remoteurl eq 'forbidden') {        }
    $r->log_reason("Subscribe returned forbidden",$filename);                return OK;
            return FORBIDDEN;            }
         } else {            my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
            my @parts=split(/\//,$filename);            my $lonid=$cookies{'lonID'};
            my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";            if ($lonid) {
            my $count;       $r->log_reason('Replication failed for '.$lonid->value);
            for ($count=5;$count<$#parts;$count++) {               return $response;
                $path.="/$parts[$count]";    } else {
                if ((-e $path)!=1) {       $r->log_reason('Replication failed for unknown user'); 
    mkdir($path,0777);               return FORBIDDEN;
                }            } 
            }  
            my $ua=new LWP::UserAgent;  
            my $request=new HTTP::Request('GET',"$remoteurl");  
            my $response=$ua->request($request,$transname);  
            if ($response->is_error()) {  
        unlink($transname);  
                my $message=$response->status_line;  
                $r->log_reason("LWP GET: $message",$filename);  
                return HTTP_SERVICE_UNAVAILABLE;  
            } else {  
                rename($transname,$filename);  
                $r->filename($filename);  
                return OK;  
            }  
         }  
       }        }
    }      }
 }  }
   
 1;  1;
Removed from v.1.1  
changed lines
  Added in v.1.13

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