Future send()

in lib/src/client.dart [107:136]

• 24 lines of code
• 8 McCabe index (conditional complexity)

  Future<http.StreamedResponse> send(http.BaseRequest request) async {
    if (credentials.isExpired) {
      if (!credentials.canRefresh) throw ExpirationException(credentials);
      await refreshCredentials();
    }

    request.headers['authorization'] = 'Bearer ${credentials.accessToken}';
    var response = await _httpClient!.send(request);

    if (response.statusCode != 401) return response;
    if (!response.headers.containsKey('www-authenticate')) return response;

    List<AuthenticationChallenge> challenges;
    try {
      challenges = AuthenticationChallenge.parseHeader(
          response.headers['www-authenticate']!);
    } on FormatException {
      return response;
    }

    var challenge = challenges
        .firstWhereOrNull((challenge) => challenge.scheme == 'bearer');
    if (challenge == null) return response;

    var params = challenge.parameters;
    if (!params.containsKey('error')) return response;

    throw AuthorizationException(params['error']!, params['error_description'],
        params['error_uri'] == null ? null : Uri.parse(params['error_uri']!));
  }