File Coverage

blib/lib/Catalyst/Plugin/Session/Store/Redis.pm

Criterion	Covered	Total	%
statement	9	9	100.0
branch			n/a
condition			n/a
subroutine	3	3	100.0
pod			n/a
total	12	12	100.0

package Catalyst::Plugin::Session::Store::Redis;
use warnings;
use strict;

# ABSTRACT: Redis Session store for Catalyst

use base qw/
    Class::Data::Inheritable
    Catalyst::Plugin::Session::Store
/;
use MRO::Compat;
use MIME::Base64 qw(encode_base64 decode_base64);
use Redis;
use Storable qw/nfreeze thaw/;
use Try::Tiny;

our $VERSION = '0.07';

__PACKAGE__->mk_classdata(qw/_session_redis_storage/);

sub get_session_data {
    my ($c, $key) = @_;

    $c->_verify_redis_connection;

    if(my ($sid) = $key =~ /^expires:(.*)/) {
        $c->log->debug("Getting expires key for $sid");
        return $c->_session_redis_storage->get($key);
    } else {
        $c->log->debug("Getting $key");
        my $data = $c->_session_redis_storage->get($key);
        if(defined($data)) {
            return thaw( decode_base64($data) )
        }
    }

    return;
}

sub store_session_data {
    my ($c, $key, $data) = @_;

    $c->_verify_redis_connection;

    if(my ($sid) = $key =~ /^expires:(.*)/) {
        $c->log->debug("Setting expires key for $sid: $data");
        $c->_session_redis_storage->set($key, $data);
    } else {
        $c->log->debug("Setting $key");
        $c->_session_redis_storage->set($key, encode_base64(nfreeze($data)));
    }

    # We use expire, not expireat because it's a 1.2 feature and as of this
    # release, 1.2 isn't done yet.
    my $exp = $c->session_expires;
    my $duration = $exp - time;
    $c->_session_redis_storage->expire($key, $duration);
    # $c->_session_redis_storage->expireat($key, $exp);

    return;
}

sub delete_session_data {
    my ($c, $key) = @_;

    $c->_verify_redis_connection;

    $c->log->debug("Deleting: $key");
    $c->_session_redis_storage->del($key);

    return;
}

sub delete_expired_sessions {
    my ($c) = @_;

    # Null op, Redis handles this for us!
}

sub setup_session {
    my ($c) = @_;

    $c->maybe::next::method(@_);
}

sub _verify_redis_connection {
    my ($c) = @_;

    my $cfg = $c->_session_plugin_config;

    try {
        $c->_session_redis_storage->ping;
    } catch {
        $c->_session_redis_storage(
            Redis->new(
                server    => $cfg->{redis_server}    || '127.0.0.1:6379',
                debug     => $cfg->{redis_debug}     || 0,
                reconnect => $cfg->{redis_reconnect} || 0
            )
        );
    };
}

1;

__END__