async Task LoadCachedTokenAsync()
{
StoreSettings settings = await ReadSettingsAsync();
if (settings != null)
{
try
{
if (!string.IsNullOrEmpty(settings.AuthToken) && JwtUtility.GetTokenExpiration(settings.AuthToken) > DateTime.UtcNow)
{
MobileService.CurrentUser =
new MobileServiceUser(settings.UserId)
{
MobileServiceAuthenticationToken = settings.AuthToken
};
}
}
catch (InvalidTokenException)
{
settings.AuthToken = string.Empty;
settings.UserId = string.Empty;
await SaveSettingsAsync(settings);
}
}
}
async Task CacheToken(MobileServiceUser user)
{
var claims = JwtUtility.GetClaims(user.MobileServiceAuthenticationToken);
var settings = new StoreSettings
{
UserId = claims[JwtClaimNames.Subject],
Email = claims["email"],
FirstName = claims[JwtClaimNames.GivenName],
LastName = claims[JwtClaimNames.FamilyName],
RoleName = claims["role"],
AuthToken = user.MobileServiceAuthenticationToken
};
await SaveSettingsAsync(settings);
}
