girc function

Future<String> girc(dynamic page_data, dynamic url, dynamic co)

Implementation

Future<String> girc(page_data, url, co) async {
  final client = http.Client();
  final Map<String, String> hdrs = {
    'User-Agent': FF_USER_AGENT.toString(),
    'Referer': url,
  };
  var rurl = 'https://www.google.com/recaptcha/api.js';
  var aurl = 'https://www.google.com/recaptcha/api2';
  final key = RegExp(
    '(?:src="$rurl\?.*?render|data-sitekey)="?([^"]+)',
    caseSensitive: false,
  ).firstMatch(page_data)?.group(1);
  if (key != null) {
    rurl = '$rurl?render=$key';
    rurl = '$rurl?render=$key';
    final page_data1 = (await client.get(
      Uri.parse(rurl),
      headers: hdrs,
    ))
        .body;
    final v = RegExp(
      r'releases\/([^\/]+)',
      caseSensitive: false,
    ).firstMatch(page_data1)?.group(1);
    final rdata = {
      'ar': 1,
      'k': key,
      'co': co,
      'hl': 'en',
      'v': v,
      'size': 'invisible',
      'cb': '123456789',
    };
    final furl = '$aurl/anchor?${urlEncode(rdata)}';
    final page_data2 = (await client.get(
      Uri.parse(furl),
      headers: hdrs,
    ))
        .body;
    final rtoken = RegExp(
      r'recaptcha-token.+?="([^"]+)',
      caseSensitive: false,
    ).firstMatch(page_data2)?.group(1);
    if (rtoken != null) {
      final pdata = {
        'v': v,
        'reason': 'q',
        'k': key,
        'c': rtoken,
        'sa': '',
        'co': co,
      };
      hdrs['Referer'] = aurl;
      final page_data3 = (await client.post(
        Uri.parse('$aurl/reload?k=$key'),
        body: pdata,
        headers: hdrs,
      ))
          .body;
      final gtoken = RegExp(
        'rresp","([^"]+)',
        caseSensitive: false,
      ).firstMatch(page_data3)?.group(1);
      if (gtoken != null) return gtoken;
    }
  }
  return '';
}