getRequestToken method
Implementation
Future<String> getRequestToken() async {
try {
final res = await _post(_requestTokenPath, {
'oauth_callback': Uri.encodeFull(redirectUri),
});
if (res == null) throw Exception();
final body = Uri.splitQueryString(res);
if (body.containsKey('oauth_token')) {
return body['oauth_token'] as String;
} else {
throw Exception();
}
} on Exception catch (_) {
throw Exception("Couldn't get request token");
}
}