@see WebSocket::Handshake::Base#valid?
# File lib/websocket/handshake/handler/client04.rb, line 10 def valid? super && verify_accept end
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
@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
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 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