private void AutoDiscover(AutodiscoverParams autodiscoverParams)
{
ExchangeService service = new ExchangeService(autodiscoverParams.ExchangeVersion, TimeZoneInfo.Utc)
{
Credentials = GetWebCredentials(autodiscoverParams),
UserAgent = "ews-test"
};
// Aids with Exchange diagnostics
if (autodiscoverParams.ExchangeVersion >= ExchangeVersion.Exchange2013)
{
service.SendClientLatencies = true;
}
try
{
// Auto-discover works for both on-prem an cloud Office 365 accounts
LogMessage($"Attempting to auto-discover Exchange Server for account '{autodiscoverParams.Email}'...");
LogMessage($"Requesting Exchange version: {autodiscoverParams.ExchangeVersion.ToString()}");
service.EnableScpLookup = autodiscoverParams.AllowSCP;
service.TraceFlags = TraceFlags.All;
service.TraceEnabled = true;
service.TraceEnablePrettyPrinting = true;
service.TraceListener = this;
// Attempt autodiscovery
service.AutodiscoverUrl(autodiscoverParams.Email, RedirectionUrlValidationCallback);
service.TraceEnabled = false;
}
catch (AutodiscoverLocalException ex)
{
LogMessage($"AutodiscoverLocalException: {ex.Message}");
}
catch (AutodiscoverRemoteException ex)
{
LogMessage($"AutodiscoverRemoteException: {ex.Message}");
}
catch (ServiceLocalException ex)
{
LogMessage($"ServiceLocalException: {ex.Message}");
}
if (service.Url == null)
{
LogMessage($"{Environment.NewLine}Unable to auto-discover URL");
}
else
{
LogMessage($"{Environment.NewLine}Discovered Exchange URL: {service.Url}");
}
}
private WebCredentials GetWebCredentials(AutodiscoverParams autodiscoverParams)
{
if (string.IsNullOrEmpty(autodiscoverParams.Username) == false)
{
string[] parts = autodiscoverParams.Username.Split('\\');
if (parts.Length == 2 && !string.IsNullOrEmpty(parts[0]) && !string.IsNullOrEmpty(parts[1]))
{
return(new WebCredentials(parts[1], autodiscoverParams.Password, parts[0]));
}
return(new WebCredentials(autodiscoverParams.Username, autodiscoverParams.Password));
}
return(new WebCredentials(autodiscoverParams.Email, autodiscoverParams.Password));
}
private async void ButtonAutoDiscover_Click(object sender, EventArgs e)
{
textBoxLog.Clear();
_allowHttpUrls = checkBoxAllowHttp.Checked;
_running = true;
EnableButtons();
var autodiscoverParams =
new AutodiscoverParams
{
Email = textBoxEmail.Text?.Trim(),
Username = textBoxUsername.Text?.Trim(),
Password = textBoxPassword.Text?.Trim(),
ExchangeVersion = (ExchangeVersion)comboBoxExchangeVersion.SelectedItem,
AllowSCP = checkBoxAllowSCP.Checked
};
await System.Threading.Tasks.Task.Run(() => AutoDiscover(autodiscoverParams));
_running = false;
EnableButtons();
}
