# File lib/rack/request.rb, line 70 def scheme if @env['HTTPS'] == 'on' 'https' elsif @env['HTTP_X_FORWARDED_SSL'] == 'on' 'https' elsif @env['HTTP_X_FORWARDED_SCHEME'] @env['HTTP_X_FORWARDED_SCHEME'] elsif @env['HTTP_X_FORWARDED_PROTO'] @env['HTTP_X_FORWARDED_PROTO'].split(',')[0] else @env["rack.url_scheme"] end end