class Service::Proxy::Middleware
Public Instance Methods
perform_request(env)
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Calls superclass method
# File lib/service/proxy/middleware.rb, line 8 def perform_request(env) request = Rack::Request.new(env) # use rack proxy for anything hitting our host app at /example_service if config && request.path =~ config.proxied_paths_matcher service = config.service_matching_path(request.path) # most backends required host set properly, but rack-proxy doesn't set this for you automatically # even when a backend host is passed in via the options env['SERVER_NAME'] = env['HTTP_HOST'] = [service.backend.host, service.backend.port].compact.join(':') env['SERVER_PORT'] = service.backend.port.to_s env['rack.backend'] = service.backend env['rack.url_scheme'] = service.backend.scheme env['HTTPS'] = service.backend.scheme.downcase == 'https' ? 'on' : 'off' # This is the only path that needs to be set currently on Rails 5 & greater env['PATH_INFO'] = service.backend_path_for(request.path) # don't send your sites cookies to target service, unless it is a trusted internal service that can parse all your cookies env['HTTP_COOKIE'] = '' unless service.send_cookies? # other Rack::Proxy opts env['rack.ssl_verify_none'] = true unless service.verify_ssl? env['http.read_timeout'] = service.read_timeout unless service.read_timeout.nil? env['content-length'] = nil super(env) else @app.call(env) end end
rewrite_response(triplet)
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# File lib/service/proxy/middleware.rb, line 41 def rewrite_response(triplet) status, headers, body = triplet headers['content-length'] = nil triplet end
Private Instance Methods
config()
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# File lib/service/proxy/middleware.rb, line 49 def config return @config if instance_variable_defined?(:'@config') if File.exist?(Rails.root.join('config/service_proxy.yml')) config_data = Rails.application.config_for(:service_proxy) @config = Config.new(config_data.deep_symbolize_keys) if config_data end @config ||= nil end