# File lib/oauth/client/helper.rb, line 65 def header parameters = oauth_parameters parameters.merge!('oauth_signature' => signature(options.merge(:parameters => parameters))) header_params_str = parameters.map { |k,v| "#{k}=\"#{escape(v)}\"" }.join(', ') realm = "realm=\"#{options[:realm]}\", " if options[:realm] "OAuth #{realm}#{header_params_str}" end