Files
racalmas/lib/calcms/ListenerAccess.pm
2023-05-20 20:22:57 +02:00

55 lines
1.5 KiB
Perl

package ListenerAccess;
use strict;
use warnings;
use Data::Dumper;
use File::Basename;
use Time::Local();
use Apache2::RequestRec ();
use Apache2::Connection ();
use Apache2::Const -compile => qw(FORBIDDEN OK);
sub handler {
my ($r) = @_;
my $DAYS = 24 * 60 * 60;
my $OK = Apache2::Const::OK;
my $FORBIDDEN = Apache2::Const::FORBIDDEN;
my $path = $ENV{LISTENER_DIR} . File::Basename::basename( $r->uri() );
my $file = readlink $path;
# granted access by temporary symlinks only
return $FORBIDDEN unless ($file);
# use link age for authorized downloads
if (File::Basename::basename($path) =~ /^shared\-/) {
my $age = time() - (lstat($path))[9];
return ( $age > 7 * $DAYS ) ? $FORBIDDEN : $OK;
}
# use age from file name for public access
return $FORBIDDEN unless
File::Basename::basename($file) =~ /(\d\d\d\d)\-(\d\d)\-(\d\d) (\d\d)_(\d\d)/;
my $age = time() - Time::Local::timelocal( 0, $5, $4, $3, $2 - 1, $1 );
return ( $age > 7 * $DAYS ) ? $FORBIDDEN : $OK;
}
1;
__END__
# limit access up to 7 days after datetime given by filename.
# The filename links to a file starting with "yyyy-mm-dd hh_mm" in file name.
#
# Access to links starting with "shared-" are allowed up to 7 days after creation.
#
# <Directory ${archive_dir}/${domain}>
# PerlSetEnv PERL5LIB ${perl_lib}/calcms
# PerlSetEnv LISTENER_DIR ${archive_dir}/${domain}/
# PerlAccessHandler ListenerAccess
# </Directory>
#