public static bool DoSyncSimpleTasks()
{
try
{
Network net;
net = Utilities.ConnectNetwork(0);
if (net == null)
{
return(false);
}
Status.UpdateMessage(0, "Checking Simple Tasks");
Int64 Aside = -1;
SimpleTaskDataSigned st = null;
do
{
st = net.GetSimpleTaskSigned();
if (st == null)
{
break;
}
if (ApplicationCertificate.Verify(st) == false)
{
FoxEventLog.WriteEventLog("One or more Simple Tasks are tampered - no tasks will be processed.", System.Diagnostics.EventLogEntryType.Error);
break;
}
if (Aside != -1)
{
if (Aside == st.STask.ID)
{
break;
}
}
Int64 AID;
if (ProcessSimpleTask(net, st.STask, out AID) == false)
{
break;
}
if (AID != -1)
{
Aside = AID;
}
} while (st != null);
net.CloseConnection();
}
catch (Exception ee)
{
Debug.WriteLine(ee.ToString());
FoxEventLog.WriteEventLog("Servere error while running Simple Tasks: " + ee.ToString(), EventLogEntryType.Error);
}
Status.UpdateMessage(0);
return(true);
}
public static bool Verify(SimpleTaskDataSigned data)
{
bool SignedOK = false;
foreach (FilesystemCertificateData cer in FilesystemData.LoadedCertificates)
{
if (Certificates.Verify(data, cer.Certificate) == true)
{
SignedOK = true;
break;
}
}
return(SignedOK);
}
public RESTStatus GetSTaskSigned(SQLLib sql, object dummy, NetworkConnectionInfo ni)
{
if (ni.HasAcl(ACLFlags.ComputerLogin) == false)
{
ni.Error = "Access denied";
ni.ErrorID = ErrorFlags.AccessDenied;
return(RESTStatus.Denied);
}
SimpleTask SimpleTask;
lock (ni.sqllock)
{
SqlDataReader dr = sql.ExecSQLReader("select top 1 * from SimpleTasks WHERE MachineID=@id AND GETUTCDATE()>isnull(execafter,'2010-01-01') ORDER BY ID asc",
new SQLParam("@id", ni.Username));
if (dr.HasRows == false)
{
dr.Close();
return(RESTStatus.NoContent);
}
SimpleTask = new SimpleTask();
while (dr.Read())
{
sql.LoadIntoClass(dr, SimpleTask);
}
dr.Close();
}
STaskDataSigned = new SimpleTaskDataSigned();
STaskDataSigned.STask = SimpleTask;
if (Certificates.Sign(STaskDataSigned, SettingsManager.Settings.UseCertificate) == false)
{
FoxEventLog.WriteEventLog("Cannot sign STask Data with Certificate " + SettingsManager.Settings.UseCertificate, System.Diagnostics.EventLogEntryType.Warning);
ni.Error = "Cannot sign STask Data with Certificate " + SettingsManager.Settings.UseCertificate;
ni.ErrorID = ErrorFlags.CannotSign;
return(RESTStatus.ServerError);
}
return(RESTStatus.Success);
}
