protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
if (this.Client == null)
{
throw new InvalidOperationException("Make sure to set the 'Client' property in this handler before using it.");
}
// Cloning the request, in case we need to send it again
var clonedRequest = await CloneRequestAsync(request);
var response = await base.SendAsync(clonedRequest, cancellationToken);
if (response.StatusCode == HttpStatusCode.Unauthorized)
{
try {
AuthStore.DeleteTokenCache(); // cached token was invalid, so should clear it
await DoLoginAsync(Settings.Current.AuthenticationType);
clonedRequest = await CloneRequestAsync(request);
clonedRequest.Headers.Remove("X-ZUMO-AUTH");
clonedRequest.Headers.Add("X-ZUMO-AUTH", Client.CurrentUser.MobileServiceAuthenticationToken);
// Resend the request
response = await base.SendAsync(clonedRequest, cancellationToken);
}
catch (InvalidOperationException) {
// user cancelled auth, so return the original response
return(response);
}
}
return(response);
}
public async Task LogoutAsync()
{
LoginManager.Instance.LogOut();
CookieManager.Instance.RemoveAllCookie();
AuthStore.DeleteTokenCache();
await App.Instance.MobileService.LogoutAsync();
}
public async Task LogoutAsync()
{
foreach (var cookie in NSHttpCookieStorage.SharedStorage.Cookies)
{
NSHttpCookieStorage.SharedStorage.DeleteCookie(cookie);
}
AuthStore.DeleteTokenCache();
await App.Instance.MobileService.LogoutAsync();
}