private async Task UpdateApiEndpoint()

in certified-connectors/DocuSign/script.csx [280:323]
40 lines of code
6 McCabe index (conditional complexity)

    private async Task UpdateApiEndpoint()
    {
        string content = string.Empty;
        using var userInfoRequest = new HttpRequestMessage(HttpMethod.Get, "https://account-d.docusign.com/oauth/userinfo");

        // Access token is in the authorization header already
        userInfoRequest.Headers.Authorization = this.Context.Request.Headers.Authorization;

        try
        {
            using var userInfoResponse = await this.Context.SendAsync(userInfoRequest, this.CancellationToken).ConfigureAwait(false);
            content = await userInfoResponse.Content.ReadAsStringAsync().ConfigureAwait(false);

            if (userInfoResponse.IsSuccessStatusCode)
            {
                var jsonContent = JObject.Parse(content);
                var baseUri = jsonContent["accounts"]?[0]?["base_uri"]?.ToString();
                if (!string.IsNullOrEmpty(baseUri))
                {
                    this.Context.Request.RequestUri = new Uri(new Uri(baseUri), this.Context.Request.RequestUri.PathAndQuery);
                }
                else
                {
                    throw new ConnectorException(HttpStatusCode.BadGateway, "Unable to get User's API endpoint from the response: " + content);
                }
            }
            else
            {
                throw new ConnectorException(userInfoResponse.StatusCode, content);
            }
        }
        catch (HttpRequestException ex)
        {
            throw new ConnectorException(HttpStatusCode.BadGateway, "Unable to get User Info: " + ex.Message, ex);
        }
        catch (JsonReaderException ex)
        {
            throw new ConnectorException(HttpStatusCode.BadGateway, "Unable to parse User Info response: " + content, ex);
        }
        catch (UriFormatException ex)
        {
            throw new ConnectorException(HttpStatusCode.BadGateway, "Unable to construct User's API endpoint from the response: " + content, ex);
        }
    }