From 5571dc766e2143e39762ff0b47c41d1c2e154f4c Mon Sep 17 00:00:00 2001 From: Benjamin Sanders Date: Sat, 11 Oct 2025 10:34:24 -0400 Subject: Vendor bundled gems for deployment --- .../lib/em-websocket/handshake04.rb | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake04.rb (limited to 'vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake04.rb') diff --git a/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake04.rb b/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake04.rb new file mode 100644 index 0000000..7600787 --- /dev/null +++ b/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake04.rb @@ -0,0 +1,37 @@ +require 'digest/sha1' +require 'base64' + +module EventMachine + module WebSocket + module Handshake04 + 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}" + if protocol = headers['sec-websocket-protocol'] + validate_protocol!(protocol) + upgrade << "Sec-WebSocket-Protocol: #{protocol}" + end + + # TODO: Support sec-websocket-protocol selection + # TODO: sec-websocket-extensions + + return upgrade.join("\r\n") + "\r\n\r\n" + end + + def self.validate_protocol!(protocol) + raise HandshakeError, "Invalid WebSocket-Protocol: empty" if protocol.empty? + # TODO: Validate characters + end + end + end +end -- cgit v1.2.3