Class: WrapItRuby::Middleware::WebSocketProxy

Inherits:
Protocol::HTTP::Middleware
  • Object
show all
Defined in:
lib/wrap_it_ruby/middleware/websocket_proxy.rb

Overview

Protocol::HTTP middleware that intercepts WebSocket upgrade requests BEFORE the Rack adapter, proxying them directly at the HTTP protocol level. This preserves the Upgrade/Connection headers that Rack strips.

Must be inserted as Falcon middleware, not as Rack middleware. For non-WebSocket requests, passes through to the Rack app.

Constant Summary collapse

PROXY_PATTERN = 
%r{\A/_proxy/(?<host>[^/]+)(?<path>/.*)?\z}
HOP_HEADERS = 
%w[
  connection keep-alive proxy-authenticate proxy-authorization
  te trailers transfer-encoding upgrade
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ WebSocketProxy 



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# File 'lib/wrap_it_ruby/middleware/websocket_proxy.rb', line 23

def initialize(app)
  super(app)
  @clients = {}
end

Instance Method Details

#call(request) ⇒ Object 



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# File 'lib/wrap_it_ruby/middleware/websocket_proxy.rb', line 28

def call(request)
  if websocket?(request) && (match = PROXY_PATTERN.match(request.path))
    host = match[:host].delete_suffix(".")
    proxy_websocket(request, host)
  else
    super(request)
  end
end