# The LearningOnline Network
# Replication Manager
# (Access Handler for File Transfers
# (lonacc: Cookie Based Access Handler
# 5/21/99,5/22,5/29,5/31,6/15 Gerd Kortemeyer)
# 6/16,6/18 Gerd Kortemeyer)
# 6/18,6/21,6/26,6/28,6/29,6/30,
# 7/2,7/3,7/9,7/10,7/12 Gerd Kortemeyer
package Apache::lonrep;
use strict;
use Apache::Constants qw(:common :http);
use LWP::UserAgent();
use Apache::lonnet();
use Apache::File();
sub handler {
my $r = shift;
if (-e $r->finfo) {
return OK;
} else {
my $filename=$r->filename.$r->path_info;
my $transname="$filename.in.transfer";
if (-e $transname) {
sleep 10;
$r->filename($filename);
if (-e $r->finfo) {
return OK;
} else {
$r->log_reason("Waiting for file transfer timed out",$filename);
return HTTP_SERVICE_UNAVAILABLE;
}
} else {
my $remoteurl=Apache::lonnet::subscribe($filename);
if ($remoteurl eq 'con_lost') {
$r->log_reason("Subscribe returned con_lost",$filename);
return HTTP_SERVICE_UNAVAILABLE;
} elsif ($remoteurl eq 'not_found') {
$r->log_reason("Subscribe returned not_found",$filename);
return HTTP_NOT_FOUND;
} elsif ($remoteurl eq 'forbidden') {
$r->log_reason("Subscribe returned forbidden",$filename);
return FORBIDDEN;
} else {
my @parts=split(/\//,$filename);
my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
my $count;
for ($count=5;$count<$#parts;$count++) {
$path.="/$parts[$count]";
if ((-e $path)!=1) {
mkdir($path,0777);
}
}
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;
__END__
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