public async Task CheckCertUpdate()
{
try
{
if (DeviceInfo.Connectivity.InternetReachability == NetworkReachability.NotReachable)
{
return;
}
string certHash = await Pkcs12FileHelper.GetSha1Hash();
if (certHash != null)
{
string remoteHash = await GetRemoteCertificateHash();
if (remoteHash == null)
{
DialogHelper.ShowAlertOK(AppResources.APP_TITLE, AppResources.CERT_UPDATE_FAILED);
return;
}
if (!certHash.Equals(remoteHash, StringComparison.OrdinalIgnoreCase))
{
bool yes = await DialogHelper.ShowConfirm(AppResources.APP_TITLE, AppResources.CERT_UPDATE_AVAILABLE);
if (yes)
{
Device.BeginInvokeOnMainThread(() =>
{
Application.Current.MainPage = new CertPage();
});
}
}
else
{
DialogHelper.ShowAlertOK(AppResources.APP_TITLE, AppResources.CERT_UPDATE_NOT_REQUIRED);
}
}
} catch (Exception)
{
DialogHelper.ShowAlertOK(AppResources.APP_TITLE, AppResources.CERT_UPDATE_FAILED);
}
}