OpenHands/src/utils/websocket-auth.ts

const WEBSOCKET_AUTH_TYPE = "auth";
const WEBSOCKET_SESSION_KEY_FIELD = "session_api_key";

export function sendWebSocketAuth(
  socket: Pick<WebSocket, "send">,
  sessionApiKey: string | null | undefined,
): void {
  if (!sessionApiKey) {
    return;
  }

  socket.send(
    JSON.stringify({
      type: WEBSOCKET_AUTH_TYPE,
      [WEBSOCKET_SESSION_KEY_FIELD]: sessionApiKey,
    }),
  );
}