public async Task LoginAsync(string username, string password)
{
var parameters = new Dictionary <string, string> {
};
parameters.Add("grant_type", "password");
parameters.Add("username", username);
parameters.Add("password", password);
parameters.Add("client_id", clientId);
parameters.Add("client_secret", clientSecret);
var response = await PostUrlEncodedContentAsync(authBaseUri, "api/Account/Login", parameters);
if (response.IsSuccessful)
{
var newToken = JsonConvert.DeserializeObject <AuthTokenApiModel>(response.Content);
token = newToken;
if (persistingService != null)
{
await persistingService.StoreAsync(token);
}
}
else
{
throw new UnauthorizedAccessException(response.Content);
}
}
private async Task RefreshTokenAsync()
{
if (token == null)
{
throw new UnauthorizedAccessException();
}
var parameters = new Dictionary <string, string> {
};
parameters.Add("grant_type", "refresh_token");
parameters.Add("refresh_token", token.RefreshToken);
parameters.Add("client_id", clientId);
parameters.Add("client_secret", clientSecret);
var response = await PostUrlEncodedContentAsync(authBaseUri, "api/Account/Login", parameters);
if (response.IsSuccessful)
{
token = JsonConvert.DeserializeObject <AuthTokenApiModel>(response.Content);
if (persistingService != null)
{
await persistingService.StoreAsync(token);
}
}
else
{
token = null;
throw new UnauthorizedAccessException(response.Content);
}
}
public ApiAccess(string authBaseUri, string baseUri, string clientId, string clientSecret, ITokenPersistingService persistingService)
{
this.authBaseUri = authBaseUri;
this.baseUri = baseUri;
this.clientId = clientId;
this.clientSecret = clientSecret;
this.persistingService = persistingService;
token = persistingService?.LoadAsync()?.Result;
}
public async Task StoreAsync(AuthTokenApiModel authToken)
{
try
{
var json = JsonConvert.SerializeObject(authToken);
var encoded = Convert.ToBase64String(Encoding.Unicode.GetBytes(json));
using (FileStream fs = new FileStream(path, FileMode.Create))
using (StreamWriter sw = new StreamWriter(fs))
{
await sw.WriteAsync(encoded);
}
}
catch (Exception)
{
throw;
}
}
