/// <summary>
/// This function will run on different thread than UI. Make sure to use Invoke for interface update.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
void queueTimer_DoWork(object sender, QueueTimerEventArgs e)
{
var item = e.Item as CloudItem;
if (item == null)
{
return;
}
item.Try++;
Invoke((Action) delegate()
{
MainForm.Current.AddTask(TaskName.CloudCommand);
});
Exception error = null;
try
{
var ws = new WebServiceClient();
ws.Url = SettingsManager.Options.InternetDatabaseUrl;
CloudMessage result = null;
var o = SettingsManager.Options;
// Check if user public keys are present.
o.CheckAndFixUserRsaKeys();
// If cloud RSA keys are missing then...
if (string.IsNullOrEmpty(o.CloudRsaPublicKey))
{
// Step 1: Get Server's Public RSA key for encryption.
var msg = new CloudMessage(CloudAction.GetPublicRsaKey);
CloudHelper.ApplySecurity(item.Message);
msg.Values.Add(CloudKey.RsaPublicKey, o.UserRsaPublicKey);
// Retrieve public RSA key.
var results = ws.Execute(msg);
if (results.ErrorCode == 0)
{
o.CloudRsaPublicKey = results.Values.GetValue <string>(CloudKey.RsaPublicKey);
SettingsManager.OptionsData.Save();
}
else
{
error = new Exception(result.ErrorMessage);
}
}
// If no errors till this point then...
if (error == null)
{
// Add security.
CloudHelper.ApplySecurity(item.Message, o.UserRsaPublicKey, o.CloudRsaPublicKey, o.Username, o.Password);
// Add computer Id
item.Message.Values.Add(CloudKey.ComputerId, o.ComputerId, true);
result = ws.Execute(item.Message);
if (result.ErrorCode > 0)
{
error = new Exception(result.ErrorMessage);
}
else
{
Invoke((Action) delegate()
{
ProcessResult(item.Message, result);
});
}
}
ws.Dispose();
}
catch (Exception ex)
{
error = ex;
}
Invoke((Action) delegate()
{
MainForm.Current.RemoveTask(TaskName.CloudCommand);
});
item.Error = error;
item.State = error == null ? CloudState.Done : CloudState.Error;
e.Keep = error != null;
e.Break = error != null;
}
/// <summary>
/// This function will run on different thread than UI. Make sure to use Invoke for interface update.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
void queueTimer_DoWork(object sender, QueueTimerEventArgs e)
{
var item = e.Item as CloudItem;
if (item == null)
{
return;
}
item.Try++;
MainForm.Current.AddTask(TaskName.CloudCommand);
Exception error = null;
try
{
var ws = new WebServiceClient();
ws.Url = SettingsManager.Options.InternetDatabaseUrl;
CloudMessage result = null;
var o = SettingsManager.Options;
// Check if user public keys are present.
o.CheckAndFixUserRsaKeys();
// If cloud RSA keys are missing then...
if (string.IsNullOrEmpty(o.CloudRsaPublicKey))
{
// Step 1: Get Server's Public RSA key for encryption.
var msg = new CloudMessage(CloudAction.GetPublicRsaKey);
// Retrieve public RSA key.
var results = ws.Execute(msg);
if (results.ErrorCode == 0)
{
o.CloudRsaPublicKey = results.Values.GetValue <string>(CloudKey.RsaPublicKey);
SettingsManager.OptionsData.Save();
}
else
{
error = new Exception(result.ErrorMessage);
}
}
// If no errors till this point then...
if (error == null)
{
// Add security.
CloudHelper.ApplySecurity(item.Message, o.UserRsaPublicKey, o.CloudRsaPublicKey, o.Username, o.Password);
// Add computer and profile ID.
item.Message.Values.Add(CloudKey.ComputerId, o.ComputerId, true, true);
item.Message.Values.Add(CloudKey.ProfileId, o.ProfileId, true, true);
// Add version so it will be possible distinguish between Library (v3.x) and Virtual (v4.x) settings.
item.Message.Values.Add(CloudKey.ClientVersion, Application.ProductVersion, false, true);
// Call web service.
result = ws.Execute(item.Message);
if (result.ErrorCode != 0)
{
// If unable to decrypt error then...
if (result.ErrorCode == (int)CloudErrorCode.UnableToDecrypt)
{
// Get server's RSA Public key.
var cloudRsaPublicKey = result.Values.GetValue <string>(CloudKey.RsaPublicKey, null);
// If key was set then update local key.
if (!string.IsNullOrEmpty(cloudRsaPublicKey))
{
o.CloudRsaPublicKey = cloudRsaPublicKey;
}
}
error = new Exception(result.ErrorMessage);
}
else
{
ProcessResult(item.Message, result);
}
}
ws.Dispose();
}
catch (Exception ex)
{
error = ex;
}
MainForm.Current.RemoveTask(TaskName.CloudCommand);
var success = error == null;
item.Error = error;
item.State = success ? CloudState.Done : CloudState.Error;
// If error or have not finished.
e.Keep = !success;
// error and no more retries left then...
if (!success && item.Try >= item.Retries)
{
// Order to remove task.
e.Keep = false;
}
// Exit thread (queue will be processed later)
e.Cancel = !success;
}
