/// <summary>
/// Post a login request to the api. Stores the given user credentials in cookies and forwards any errors the api sends back.
/// </summary>
/// <param name="userForAuthentication">Holds info about which username and password a user tries to log in with.</param>
/// <returns></returns>
public async Task <AuthResponseContainer> Login(UserForAuthenticationDto userForAuthentication)
{
//Serializes the UserForAuthenticationDTO to a dictionary to easily be able to encode it to x-www-form-urlencoded in HttpRequestMessage body
var content = JsonSerializer.Serialize(userForAuthentication);
var dictionary = JsonSerializer.Deserialize <Dictionary <string, string> >(content);
var req = new HttpRequestMessage(HttpMethod.Post, "/Token")
{
Content = new FormUrlEncodedContent(dictionary)
};
var resultContainer = new AuthResponseContainer();
try
{
var authResult = await _client.SendAsync(req);
var authContent = await authResult.Content.ReadAsStringAsync();
resultContainer = JsonSerializer.Deserialize <AuthResponseContainer>(authContent, new JsonSerializerOptions {
PropertyNameCaseInsensitive = true
});
if (!authResult.IsSuccessStatusCode)
{
return(resultContainer);
}
}
catch
{
resultContainer.Errors = new Dictionary <string, string[]>();
string[] errorArray = { "There has been a network error, please check connection and try again." };
resultContainer.Errors.Add("Error", errorArray);
resultContainer.Succeeded = false;
return(resultContainer);
}
//Sets information about the user and acesstoken to local storage
await _localStorage.SetItemAsync("authToken", resultContainer.Value.AcessToken);
await _localStorage.SetItemAsync("userName", resultContainer.Value.UserName);
await _localStorage.SetItemAsync("authorizationExpires", resultContainer.Value.Expires);
// TODO: Remove code below if it is not necessary at this time.
((AuthStateProvider)_authStateProvider).NotifyUserAuthentication(userForAuthentication.UserName);
_client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("bearer", resultContainer.Value.AcessToken);
resultContainer.Succeeded = true;
UpdateNavUI.Invoke(true, EventArgs.Empty);
return(resultContainer);
}
/// <summary>
/// Removes all the login credentials stored in cookis and sets the default authorization token to be null in the http client.
/// </summary>
/// <returns></returns>
public async Task Logout()
{
await _localStorage.RemoveItemAsync("authToken");
await _localStorage.RemoveItemAsync("userName");
await _localStorage.RemoveItemAsync("authorizationExpires");
// TODO: Remove code below if it is not necessary at this time.
((AuthStateProvider)_authStateProvider).NotifyUserLogout();
UpdateNavUI.Invoke(false, EventArgs.Empty);
_client.DefaultRequestHeaders.Authorization = null;
}
