gistfile1.rb

def get_disqus_sso
      data = {
      :id => self.id,
      :username => self.email,
      :email => self.email
    }

    message = Base64.strict_encode64 data.to_json
    timestamp = Time.now.to_i
    pub_key = DISQUS_PUBLIC_KEY
    secret = DISQUS_SECRET_KEY
    
    digest = OpenSSL::Digest::Digest.new('sha1')
    sig = OpenSSL::HMAC.hexdigest(digest, "#{message} #{timestamp}", secret).to_s

    js = "<script type='text/javascript'> 
      var disqus_config = function() { 
        this.page.remote_auth_s3 = '#{message} #{sig} #{timestamp}'; 
        this.page.api_key = '#{pub_key}'; 
      } 
    </script>"

    return js

  end