class WebSocket::Handshake::Handler::Client04

Public Instance Methods

valid?() click to toggle source

@see WebSocket::Handshake::Base#valid?

# File lib/websocket/handshake/handler/client04.rb, line 10
def valid?
  super && verify_accept
end

Private Instance Methods

accept() click to toggle source

Value of Sec-WebSocket-Accept that should be delivered back by server @return [Sering] accept

# File lib/websocket/handshake/handler/client04.rb, line 39
def accept
  @accept ||= Base64.encode64(Digest::SHA1.digest(key + '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')).strip
end
handshake_keys() click to toggle source

@see WebSocket::Handshake::Handler::Base#handshake_keys

# File lib/websocket/handshake/handler/client04.rb, line 17
def handshake_keys
  keys = [
    ["Upgrade", "websocket"],
    ["Connection", "Upgrade"]
  ]
  host = @handshake.host
  host += ":#{@handshake.port}" if @handshake.port
  keys << ["Host", host]
  keys << ["Sec-WebSocket-Origin", @handshake.origin] if @handshake.origin
  keys << ["Sec-WebSocket-Version", @handshake.version ]
  keys << ["Sec-WebSocket-Key", key]
  keys
end
key() click to toggle source

Sec-WebSocket-Key value @return [String] key

# File lib/websocket/handshake/handler/client04.rb, line 33
def key
  @key ||= Base64.encode64((1..16).map { rand(255).chr } * '').strip
end
verify_accept() click to toggle source

Verify if received header Sec-WebSocket-Accept matches generated one. @return [Boolean] True if accept is matching. False otherwise(appropriate error is set)

# File lib/websocket/handshake/handler/client04.rb, line 45
def verify_accept
  raise WebSocket::Error::Handshake::InvalidAuthentication unless @handshake.headers['sec-websocket-accept'] == accept
  true
end