File Coverage

lib/LWP/Authen/OAuth2/AccessToken.pm

Criterion	Covered	Total	%
statement	23	45	51.1
branch	4	16	25.0
condition	1	13	7.6
subroutine	7	12	58.3
pod	8	8	100.0
total	43	94	45.7

package LWP::Authen::OAuth2::AccessToken;

# ABSTRACT: Access tokens for OAuth2.
our $VERSION = '0.18'; # VERSION

use strict;
use warnings;

use Carp qw(confess);
our @CARP_NOT = qw(LWP::Authen::OAuth2);


sub from_ref {
    my ($class, $data) = @_;
    # If create_time is passed, then that will overwrite this default.
    return bless {create_time => time(), %$data}, $class;
}


sub to_ref {
    my $self = shift;
    return { %$self };
}


sub expires_time {
    my $self = shift;
    my $initial_expires_in = $self->{expires_in} || 3600;
    return $self->{create_time} + $initial_expires_in;
}


sub expires_in {
    my $self = shift;
    return $self->expires_time - time();
}


sub should_refresh {
    my ($self, $early_refresh_time) = @_;
    # If the access tokens are short lived relative to $early_refresh_time
    # we cheat to avoid refreshing TOO often....
    if ($self->expires_in/2 < $early_refresh_time) {
        $early_refresh_time = $self->expires_in/2;
    }
    my $expires_in = $self->expires_in();
    if ($expires_in < $early_refresh_time) {
        return 1;
    }
    else {
        return 0;
    }
}


sub for_refresh {
    my $self = shift;
    if ($self->{refresh_token}) {
        return refresh_token => $self->{refresh_token};
    }
    else {
        return ();
    }
}


sub copy_refresh_from {
    my ($self, $other) = @_;
    if ($other->{refresh_token}) {
        $self->{refresh_token} ||= $other->{refresh_token};
    }
}


sub request {
    # Shift off one for easy redispatch to _request.
    my $self = shift;
    my ($oauth2, $request, @rest) = @_;
    if (
        $self->should_refresh($oauth2->{early_refresh_time} || 300) and
        $oauth2->can_refresh_tokens()
    ) {
        $oauth2->refresh_access_token();
        $self = $oauth2->access_token if ref($oauth2->access_token);
    }
    my ($response, $try_refresh) = $self->_request(@_);
    if ($try_refresh and $oauth2->can_refresh_tokens()) {
        # Someone's clock is wrong?  Try to refresh.
        $oauth2->refresh_access_token();
        if ($self->expires_in < $oauth2->access_token->expires_in) {
            # We seem to have renewed, try again.
            ($response, $try_refresh) = $oauth2->access_token->_request(@_);
        }
    }
    return $response;
}


sub _request {
    my ($self, $oauth2, $request, @rest) = @_;
    # ...
    # return ($response, $try_refresh);
    confess("Method _request needs to be overwritten.");
}

1;

__END__