/// <summary>
/// Refreshes the token asynchronous.
/// </summary>
/// <param name="clientSettings">ApiClientSettings needed for creating a proper refresh token HTTP post call.</param>
/// <returns>Returns OAuth2AccessToken</returns>
public static async Task <OAuth2AccessToken> RefreshTokenAsync(ApiClientSettings clientSettings)
{
var postUrl = DigiKeyUriConstants.TokenEndpoint;
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>(OAuth2Constants.GrantType, OAuth2Constants.GrantTypes.RefreshToken),
new KeyValuePair <string, string>(OAuth2Constants.GrantTypes.RefreshToken, clientSettings.RefreshToken),
});
var httpClient = new HttpClient();
var clientIdConcatSecret = OAuth2Helpers.Base64Encode(clientSettings.ClientId + ":" + clientSettings.ClientSecret);
httpClient.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Basic", clientIdConcatSecret);
var response = await httpClient.PostAsync(postUrl, content);
var responseString = await response.Content.ReadAsStringAsync();
var oAuth2AccessTokenResponse = OAuth2Helpers.ParseOAuth2AccessTokenResponse(responseString);
clientSettings.UpdateAndSave(oAuth2AccessTokenResponse);
return(oAuth2AccessTokenResponse);
}
/// <summary>
/// Refreshes the token asynchronous.
/// </summary>
/// <param name="clientSettings">ApiClientSettings needed for creating a proper refresh token HTTP post call.</param>
/// <returns>Returns OAuth2AccessToken</returns>
public static async Task <OAuth2AccessToken> RefreshTokenAsync(ApiClientSettings clientSettings)
{
var postUrl = DigiKeyUriConstants.TokenEndpoint;
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>(OAuth2Constants.GrantType, OAuth2Constants.GrantTypes.RefreshToken),
new KeyValuePair <string, string>(OAuth2Constants.ClientId, clientSettings.ClientId),
new KeyValuePair <string, string>(OAuth2Constants.ClientSecret, clientSettings.ClientSecret),
new KeyValuePair <string, string>(OAuth2Constants.GrantTypes.RefreshToken, clientSettings.RefreshToken),
});
var httpClient = new HttpClient();
var response = await httpClient.PostAsync(postUrl, content);
var responseString = await response.Content.ReadAsStringAsync();
var oAuth2AccessTokenResponse = OAuth2Helpers.ParseOAuth2AccessTokenResponse(responseString);
_log.DebugFormat("RefreshToken: " + oAuth2AccessTokenResponse);
clientSettings.UpdateAndSave(oAuth2AccessTokenResponse);
return(oAuth2AccessTokenResponse);
}
/// <summary>
/// OAuth2 code flow authorization with apiclient.config values
/// </summary>
private async void Authorize()
{
// read clientSettings values from apiclient.config
_clientSettings = ApiClientSettings.CreateFromConfigFile();
Console.WriteLine(_clientSettings.ToString());
// start up a HttpListener for the callback(RedirectUri) from the OAuth2 server
var httpListener = new HttpListener();
httpListener.Prefixes.Add(_clientSettings.RedirectUri.EnsureTrailingSlash());
Console.WriteLine($"listening to {_clientSettings.RedirectUri}");
httpListener.Start();
// Initialize our OAuth2 service
var oAuth2Service = new ApiClient.OAuth2.OAuth2Service(_clientSettings);
var scopes = "";
// create Authorize url and send call it thru Process.Start
var authUrl = oAuth2Service.GenerateAuthUrl(scopes);
Process.Start(authUrl);
// get the URL returned from the callback(RedirectUri)
var context = await httpListener.GetContextAsync();
// Done with the callback, so stop the HttpListener
httpListener.Stop();
// exact the query parameters from the returned URL
var queryString = context.Request.Url.Query;
var queryColl = HttpUtility.ParseQueryString(queryString);
// Grab the needed query parameter code from the query collection
var code = queryColl["code"];
Console.WriteLine($"Using code {code}");
// Pass the returned code value to finish the OAuth2 authorization
var result = await oAuth2Service.FinishAuthorization(code);
// Check if you got an error during finishing the OAuth2 authorization
if (result.IsError)
{
Console.WriteLine("\n\nError : {0}", result.Error);
Console.WriteLine("\n\nError.Description: {0}", result.ErrorDescription);
}
else
{
// Display the Access Token and Refresh Token to the Console.
Console.WriteLine();
Console.WriteLine("Access token : {0}", result.AccessToken);
Console.WriteLine("Refresh token: {0}", result.RefreshToken);
Console.WriteLine("Expires in : {0}", result.ExpiresIn);
_clientSettings.UpdateAndSave(result);
Console.WriteLine("After a good refresh");
Console.WriteLine(_clientSettings.ToString());
}
}
