use HTTP::Tiny;
use HTTP::CookieJar;
use HTTP::Cookies::Mozilla;

my $cookies = HTTP::Cookies::Mozilla->new(file => $firefox_cookies_sqlite_file);
my @cookies = map { s/^Set-Cookie3:\s*//; $_ }
    split "\n", $cookies->as_string;
my $cookie_jar = HTTP::CookieJar->new;
$cookie_jar->load_cookies(@cookies);
my $ua = HTTP::Tiny->new(cookie_jar => $cookie_jar);