public async Task <Unit> Handle(RefreshCurrentUserTokenCommand request, CancellationToken cancellationToken)
{
var userId = Guid.Parse(_userAccessor.GetUser().FindFirst(ClaimTypes.NameIdentifier).Value);
var accessToken = await _tokenDataService.GetUserAccessToken(userId, request.ExternalProvider);
var userRefreshToken = await _tokenDataService.GetUserRefreshToken(userId, request.ExternalProvider);
await _authorizationService.VerifyUser(accessToken, userRefreshToken
, userId, request.ExternalProvider, _config.CurrentValue.ClientId,
_config.CurrentValue.ReturnUrl, _config.CurrentValue.ClientSecret);
return(Unit.Value);
}
/// <summary>
/// Refresh user token
/// By providing the refresh token from database to the Graph API
/// </summary>
/// <param name="userId"></param>
/// <param name="provider"></param>
/// <param name="clientId"></param>
/// <param name="redirectUri"></param>
/// <param name="clientSecret"></param>
private async Task RefreshUserToken(Guid userId, ExternalProviders provider, string clientId,
string redirectUri, string clientSecret)
{
var dict = new Dictionary <string, string>
{
{ "client_id", clientId },
{ "redirect_uri", redirectUri },
{ "client_secret", clientSecret },
{ "refresh_token", await _dataService.GetUserRefreshToken(userId, provider) },
{ "grant_type", "refresh_token" }
};
var client = new HttpClient();
dict.TryGetValue("refresh_token", out var refreshToken);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var postAction = await client.PostAsync("https://login.microsoftonline.com/common/oauth2/v2.0/token",
new FormUrlEncodedContent(dict));
var result = JsonConvert.DeserializeObject <CloudLoginModel>(await postAction.Content.ReadAsStringAsync());
await _dataService.SetUpUserToken(result.AccessToken, refreshToken, userId, provider);
}