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## @file
# Lemonldap::NG special handler
## @class
# Lemonldap::NG special handler
package Lemonldap::NG::Handler::UpdateCookie;
use strict;
use Lemonldap::NG::Handler::SharedConf qw(:all);
use base qw(Lemonldap::NG::Handler::SharedConf);
our $VERSION = '1.0.0';
## @rmethod int run(Apache2::RequestRec apacheRequest)
# Main method used to control access.
# Calls :
# - fetchId()
# - fetchUTime()
# - SUPER::run()
# @param $apacheRequest Current request
# @return Apache2::Const value (OK, FORBIDDEN, REDIRECT or SERVER_ERROR)
sub run {
my $class = shift;
$apacheRequest = $_[0];
# I - Recover the main cookie.
# If not present, then call parent.
my $id;
if ( $id = $class->SUPER::fetchId ) {
# II - Found update cookie.
# If found, remove session from local cache when utime is recent.
my $utime;
if ( $utime = $class->fetchUTime ) {
my $clear = 0;
if ( $id eq $datas->{_session_id} and $datas->{_utime} lt $utime ) {
$datas->{_session_id} = 0;
$clear = 1;
}
elsif ( $refLocalStorage
and my $ldatas = $refLocalStorage->get($id) )
{
if ( $ldatas->{_utime} lt $utime ) {
$clear = 1;
}
}
if ($clear) {
$class->lmLog( "$class: remove $id from local cache", 'debug' );
$refLocalStorage->remove($id);
}
}
}
# III - Call parent process.
$class->SUPER::run(@_);
}
## @rmethod protected $ fetchUTime()
# Get user cookies and search for Lemonldap::NG update cookie.
# @return Value of the cookie if found, 0 else
sub fetchUTime {
my $t = lmHeaderIn( $apacheRequest, 'Cookie' );
my $c = $cookieName . 'update';
return ( $t =~ /$c=([^,; ]+)/o ) ? $1 : 0;
}
1;
__END__
=head1 NAME
=encoding utf8
Lemonldap::NG::Handler::UpdateCookie - Perl extension to manage update
cookie sent by client, to reload session in local cache.
=head1 SYNOPSIS
package My::Package;
use Lemonldap::NG::Handler::UpdateCookie;
@ISA = qw(Lemonldap::NG::Handler::SharedConf);
__PACKAGE__->init ( {
# See Lemonldap::NG::Handler for more
# Local storage used for sessions and configuration
} );
=head1 DESCRIPTION
Lemonldap::NG::Handler::UpdateCookie is a special Lemonldap::NG:: handler that
allow a session to be removed from local cache of the current handler, if a
update cookie is sent by the user.
The update cookie should be name "lemonldapupdate" and only contains a simple
timestamp.
=head2 EXPORT
See L<Lemonldap::NG::Handler>
=head1 SEE ALSO
L<Lemonldap::NG::Handler>
=head1 AUTHOR
Thomas Chemineau, E<lt>thomas.chemineau@gmail.comE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2010 by Thomas Chemineau
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.10.0 or,
at your option, any later version of Perl 5 you may have available.
=cut
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