Function createWebSocketServerKey

src/HttpServerCommand.cc:125–133

Creates server's WebSocket accept key which will be sent in Sec-WebSocket-Accept header field. The |clientKey| is the value found in Sec-WebSocket-Key header field in the request.

// Sec-WebSocket-Accept header field. The |clientKey| is the value
// found in Sec-WebSocket-Key header field in the request.
std::string createWebSocketServerKey(const std::string& clientKey)
{
  std::string src = clientKey;
  src += "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
  unsigned char digest[20];
  message_digest::digest(digest, sizeof(digest), MessageDigest::sha1().get(),
                         src.c_str(), src.size());
  return base64::encode(&digest[0], &digest[sizeof(digest)]);
}
} // namespace

namespace {