populateTransportSettings method

String populateTransportSettings({ required String transport, required String? headerType, required String? host, required String? path, required String? seed, required String? quicSecurity, required String? key, required String? mode, required String? serviceName, })

Implementation

String populateTransportSettings({
  required String transport,
  required String? headerType,
  required String? host,
  required String? path,
  required String? seed,
  required String? quicSecurity,
  required String? key,
  required String? mode,
  required String? serviceName,
}) {
  String sni = '';
  streamSetting['network'] = transport;
  if (transport == 'tcp') {
    streamSetting['tcpSettings'] = {
      "header": <String, dynamic>{"type": "none", "request": null},
      "acceptProxyProtocol": null
    };
    if (headerType == 'http') {
      streamSetting['tcpSettings']['header']['type'] = 'http';
      if (host != "" || path != "") {
        streamSetting['tcpSettings']['header']['request'] = {
          "path": path == null ? ["/"] : path.split(","),
          "headers": {
            "Host": host == null ? "" : host.split(","),
            "User-Agent": [
              "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
              "Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/601.1 (KHTML, like Gecko) CriOS/53.0.2785.109 Mobile/14A456 Safari/601.1.46",
            ],
            "Accept-Encoding": [
              "gzip, deflate",
            ],
            "Connection": [
              "keep-alive",
            ],
            "Pragma": "no-cache",
          },
          "version": "1.1",
          "method": "GET",
        };
        sni = streamSetting['tcpSettings']['header']['request']['headers']
                        ['Host']
                    .length >
                0
            ? streamSetting['tcpSettings']['header']['request']['headers']
                ['Host'][0]
            : sni;
      }
    } else {
      streamSetting['tcpSettings']['header']['type'] = 'none';
      sni = host != "" ? host ?? '' : '';
    }
  } else if (transport == 'kcp') {
    streamSetting['kcpSettings'] = {
      "mtu": 1350,
      "tti": 50,
      "uplinkCapacity": 12,
      "downlinkCapacity": 100,
      "congestion": false,
      "readBufferSize": 1,
      "writeBufferSize": 1,
      "header": {
        "type": headerType ?? "none",
      },
      "seed": (seed == null || seed == '') ? null : seed,
    };
  } else if (transport == 'ws') {
    streamSetting['wsSettings'] = {
      "path": path ?? ['/'],
      "headers": {"Host": host ?? ""},
      "maxEarlyData": null,
      "useBrowserForwarding": null,
      "acceptProxyProtocol": null,
    };
    sni = streamSetting['wsSettings']['headers']['Host'];
  } else if (transport == 'h2' || transport == 'http') {
    streamSetting['network'] = 'h2';
    streamSetting['h2Setting'] = {
      "host": host?.split(",") ?? "",
      "path": path ?? ['/'],
    };
    sni = streamSetting['h2Setting']['host'].length > 0
        ? streamSetting['h2Setting']['host'][0]
        : sni;
  } else if (transport == 'quic') {
    streamSetting['quicSettings'] = {
      "security": quicSecurity ?? 'none',
      "key": key ?? '',
      "header": {"type": headerType ?? "none"},
    };
  } else if (transport == 'grpc') {
    streamSetting['grpcSettings'] = {
      "serviceName": serviceName ?? "",
      "multiMode": mode == "multi",
    };
    sni = host ?? "";
  }
  return sni;
}