Class: EventMachine::WebSocket::Handler76

Inherits:
Handler
  • Object
show all
Defined in:
lib/em-websocket/handler76.rb

Constant Summary collapse

TERMINATE_STRING =

“377000” is octet version and “xffx00” is hex version

"\xff\x00"

Instance Attribute Summary

Attributes inherited from Handler

#request

Instance Method Summary collapse

Methods inherited from Handler

#initialize

Constructor Details

This class inherits a constructor from EventMachine::WebSocket::Handler

Instance Method Details

#handshake ⇒ Object 



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# File 'lib/em-websocket/handler76.rb', line 9

def handshake
  challenge_response = solve_challange(
    @request['Sec-WebSocket-Key1'],
    @request['Sec-WebSocket-Key2'],
    @request['Third-Key']
  )

  location  = "#{@request['Host'].scheme}://#{@request['Host'].host}"
  location << ":#{@request['Host'].port}" if @request['Host'].port
  location << @request['Path']

  upgrade =  "HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
  upgrade << "Upgrade: WebSocket\r\n"
  upgrade << "Connection: Upgrade\r\n"
  upgrade << "Sec-WebSocket-Location: #{location}\r\n"
  upgrade << "Sec-WebSocket-Origin: #{@request['Origin']}\r\n"
  if protocol = @request['Sec-WebSocket-Protocol']
    validate_protocol!(protocol)
    upgrade << "Sec-WebSocket-Protocol: #{protocol}\r\n"
  end
  upgrade << "\r\n"
  upgrade << challenge_response

  debug [:upgrade_headers, upgrade]

  return upgrade
end