Bitcoin_QR_Popup.Form1.set_credentials C# (CSharp) Method

        private void set_credentials()
        {
            //TODO this is only valid for local. When remote is introduced,
            // this info will have to be entered manually.
            if (bitcoin_is_running)
            {
                string user_app_data_path= Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
                string[] bitcoin_path = new string[] { user_app_data_path, "Bitcoin", "bitcoin.conf" };
                string path = Path.Combine(bitcoin_path);
                if (!File.Exists(path))
                {
                    TopMostMessageBox.Show("Unable to read config. Ensure the file exists, then restart bitcoin.\n\n" + path, "Bitcoin QR Popup", MessageBoxButtons.OK); //TODO translate
                    can_exit = true;
                    return;
                }
                string[] lines = File.ReadAllLines(path);
                string rpcuser = "";
                string rpcpassword = "";
                foreach (string line in lines)
                {
                    string tidy_line = line.Trim();
                    if (tidy_line.StartsWith("rpcuser") && line.Contains("="))
                    {
                        rpcuser = tidy_line.Split('=')[1];
                    }
                    else if (tidy_line.StartsWith("rpcpassword") && line.Contains("="))
                    {
                        rpcpassword = tidy_line.Split('=')[1];
                    }
                    if (rpcuser.Length > 0 && rpcpassword.Length > 0)
                    {
                        break;
                    }
                }
                if (rpcuser == "" || rpcpassword == "")
                {
                    TopMostMessageBox.Show("Unable to read rpc user and password. Ensure the file contains the following text (substituting your own values for 'bob' and 'secret').\n\nrpcuser=bob\nrpcpassword=secret", "Bitcoin QR Popup", MessageBoxButtons.OK); //TODO translate
                    can_exit = true;
                    return;
                }
                //TODO check that this wallet has a password on it
                bc.Credentials = new NetworkCredential(rpcuser, rpcpassword);
            }
        }