1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake75.rb b/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake75.rb
new file mode 100644
index 0000000..65b744f
--- /dev/null
+++ b/vendor/bundle/ruby/3.4.0/gems/em-websocket-0.5.3/lib/em-websocket/handshake75.rb
@@ -0,0 +1,28 @@
+module EventMachine
+  module WebSocket
+    module Handshake75
+      def self.handshake(headers, path, secure)
+        scheme = (secure ? "wss" : "ws")
+        location = "#{scheme}://#{headers['host']}#{path}"
+
+        upgrade =  "HTTP/1.1 101 Web Socket Protocol Handshake\r\n"
+        upgrade << "Upgrade: WebSocket\r\n"
+        upgrade << "Connection: Upgrade\r\n"
+        upgrade << "WebSocket-Origin: #{headers['origin']}\r\n"
+        upgrade << "WebSocket-Location: #{location}\r\n"
+        if protocol = headers['sec-websocket-protocol']
+          validate_protocol!(protocol)
+          upgrade << "Sec-WebSocket-Protocol: #{protocol}\r\n"
+        end
+        upgrade << "\r\n"
+
+        return upgrade
+      end
+
+      def self.validate_protocol!(protocol)
+        raise HandshakeError, "Invalid WebSocket-Protocol: empty" if protocol.empty?
+        # TODO: Validate characters
+      end
+    end
+  end
+end