Future resourceOwnerPasswordGrant()

in lib/src/resource_owner_password_grant.dart [47:94]

• 42 lines of code
• 6 McCabe index (conditional complexity)

Future<Client> resourceOwnerPasswordGrant(
    Uri authorizationEndpoint, String username, String password,
    {String? identifier,
    String? secret,
    Iterable<String>? scopes,
    bool basicAuth = true,
    CredentialsRefreshedCallback? onCredentialsRefreshed,
    http.Client? httpClient,
    String? delimiter,
    Map<String, dynamic> Function(MediaType? contentType, String body)?
        getParameters}) async {
  delimiter ??= ' ';
  var startTime = DateTime.now();

  var body = {
    'grant_type': 'password',
    'username': username,
    'password': password
  };

  var headers = <String, String>{};

  if (identifier != null) {
    if (basicAuth) {
      headers['Authorization'] = basicAuthHeader(identifier, secret!);
    } else {
      body['client_id'] = identifier;
      if (secret != null) body['client_secret'] = secret;
    }
  }

  if (scopes != null && scopes.isNotEmpty) {
    body['scope'] = scopes.join(delimiter);
  }

  httpClient ??= http.Client();
  var response = await httpClient.post(authorizationEndpoint,
      headers: headers, body: body);

  var credentials = handleAccessTokenResponse(
      response, authorizationEndpoint, startTime, scopes?.toList(), delimiter,
      getParameters: getParameters);
  return Client(credentials,
      identifier: identifier,
      secret: secret,
      httpClient: httpClient,
      onCredentialsRefreshed: onCredentialsRefreshed);
}