module EventMachine::WebSocket::Handshake04
Public Class Methods
handshake(headers, _, __)
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# File lib/em-websocket/handshake04.rb, line 7 def self.handshake(headers, _, __) # Required unless key = headers['sec-websocket-key'] raise HandshakeError, "sec-websocket-key header is required" end string_to_sign = "#{key}258EAFA5-E914-47DA-95CA-C5AB0DC85B11" signature = Base64.encode64(Digest::SHA1.digest(string_to_sign)).chomp upgrade = ["HTTP/1.1 101 Switching Protocols"] upgrade << "Upgrade: websocket" upgrade << "Connection: Upgrade" upgrade << "Sec-WebSocket-Accept: #{signature}" # TODO: Support sec-websocket-protocol # TODO: sec-websocket-extensions return upgrade.join("\r\n") + "\r\n\r\n" end