/// <summary>
/// Does the request.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="method">The method.</param>
/// <param name="parameters">The parameters.</param>
/// <param name="headers">The headers.</param>
/// <param name="contentType">Type of the content.</param>
/// <returns>Response deserialized as an instance of T.</returns>
/// <exception cref="FulfillmentException">Token expired. Please logout and login again.</exception>
public async Task <T> DoRequest(string url, string method, Dictionary <string, object> parameters, Dictionary <string, object> headers = null, string contentType = "application/json")
{
try
{
this.logger?.Info("Call Rest Service : {0}" + JsonSerializer.Serialize(new { url = url, method = method, parameters = parameters, headers = headers, contentType = contentType }));
var accessTokenResult = await ADAuthenticationHelper.GetAccessToken(this.clientConfiguration).ConfigureAwait(false);
if (headers == null)
{
headers = new Dictionary <string, object>();
}
// Add bearer token
headers.Add("Authorization", string.Format($"Bearer {accessTokenResult.AccessToken}"));
var webRequestHelper = new WebRequestHelper(url, method, contentType);
await webRequestHelper.PrepareDataForRequest(parameters)
.FillHeaders(headers)
.DoRequestAsync().ConfigureAwait(false);
return(await webRequestHelper.BuildResultFromResponse <T>().ConfigureAwait(false));
}
catch (WebException ex)
{
this.logger?.Error(string.Format($"An error occurred while processing request to the url : {url} - {ex.ToString()}"));
return(this.ProcessErrorResponse(url, ex));
}
}
/// <summary>
/// Gets the access token.
/// </summary>
/// <param name="settings">The settings.</param>
/// <returns>Get Authentication Token.</returns>
public static async Task <ADAuthenticationResult> GetAccessToken(SaaSApiClientConfiguration settings)
{
string authorizeUrl = string.Format($"https://login.microsoftonline.com/{settings.TenantId}/oauth2/token");
var webRequestHelper = new WebRequestHelper(authorizeUrl, HttpMethods.POST, "application/x-www-form-urlencoded");
var payload = new Dictionary <string, object>();
payload.Add("Grant_type", "client_credentials");
payload.Add("Client_id", settings.ClientId);
payload.Add("Client_secret", settings.ClientSecret);
payload.Add("Resource", settings.Resource);
await webRequestHelper.PrepareDataForRequest(payload).DoRequestAsync().ConfigureAwait(false);
return(await webRequestHelper.BuildResultFromResponse <ADAuthenticationResult>());
}