private string JoinIVToEncryptedMessage(byte[] encryptedMessage, byte[] AESIV)
{
var message = SecurityWrapper.BytesToString(encryptedMessage);
var iv = SecurityWrapper.BytesToString(AESIV);
return(iv + message);
}
private string GetReadyToSendMessage(string serializedBaseMessage, byte[] AESKey)
{
var AESIV = SecurityWrapper.GetRandomBytes();
var encryptedMessage = EncryptMessage(serializedBaseMessage, AESKey, AESIV);
return(JoinIVToEncryptedMessage(encryptedMessage, AESIV));
}
private Stream GetWrappedStream()
{
if (_wrappedStream == null)
{
var stream = GetStream();
_wrappedStream = SecurityWrapper == null ? stream : SecurityWrapper.Wrap(stream);
}
return(_wrappedStream);
}
public void SendMessage(string serializedMessage)
{
var AESIV = SecurityWrapper.GetRandomBytes();
var encryptedMessage = AESWrapper.EncryptStringToBytes(serializedMessage, AESKey, AESIV);
var message = JoinIVToEncryptedMessage(encryptedMessage, AESIV);
Writer.WriteLine(message);
Writer.Flush();
}
private byte[] GetEncryptedMessageFromInput(string input)
{
if (input.Length >= 24)
{
string encryptedMessage = input.Substring(24);
return(SecurityWrapper.StringToBytes(encryptedMessage));
}
else
{
throw new InvalidOperationException();
}
}
private byte[] GetIVFromInput(string input)
{
if (input.Length >= 24)
{
string base64IV = input.Substring(0, 24);
return(SecurityWrapper.StringToBytes(base64IV));
}
else
{
throw new InvalidOperationException();
}
}
/// <summary>
/// for testing purposes. this is of course useless when compiled as .dll
/// left in here for quick experiments/tests
/// </summary>
/// <param name="args"></param>
public static void Main(String[] args)
{
SecurityWrapper.CopyAndEncrypt(@"Z:\out.txt", @"Z:\out_enc.txt", Util.GetBytes("1234567890123456"));
Console.ReadKey();
}
private static PolicyHelper FetchPolicy(string URL)
{
MessageProcessor m = MessageProcessor.Instance;
if (config.OperatingMode == ConfigLoader.OperationMode.OFFLINE)
return GetDefaultPolicy(URL);
PolicyHelper myPolicy = null;
//first lets check our policy cache, if we don't have one cached or it's out of date, update it.
lock (policyCache)
{
myPolicy = (PolicyHelper)policyCache[URL];
if (myPolicy == null)
{
switch (config.PCSalgo)
{
case ConfigLoader.Algorithm.FAILOVER:
for (int i = 0; i < config.pcsurl.Count; i++)
{
if (polservice != null)
{
try
{
((IClientChannel)polservice).Close();
((IClientChannel)polservice).Dispose();
}
catch (Exception ex)
{
//log.TraceEvent(TraceEventType.Warning, 0, "Uh oh" + ex.Message + ex.StackTrace);
}
}
polservice = config.GetPCSProxy(config.pcsurl[i]);
for (int k = 0; k < config.PCSretrycount; k++)
{
try
{
ServicePolicyRequestMsg requestr = new ServicePolicyRequestMsg();
//requestr = new ServicePolicyRequestMsg();
requestr.URI = URL;
//remember, .NET/IIS is not case sensitive
// ServicePolicyRequestMsg r = new ServicePolicyRequestMsg();
requestr.classification = currentlevel;
ServicePolicyResponseMsg responsep1 = polservice.GetServicePolicy(requestr);
PolicyHelper temp = new PolicyHelper();
temp.lastUpdate = DateTime.Now;
if (responsep1.policy.GetType() != typeof(TransactionalWebServicePolicy))
{
Logger.info("FGSMS.MessageProcessor" + "Successfully retrieved a policy from the policy configuration service, however it was of an unexpected type " + URL + " type info " + responsep1.policy.GetType().FullName);
throw new ArgumentOutOfRangeException();
}
temp.policy = (TransactionalWebServicePolicy)responsep1.policy;
MAXCAP = temp.policy.RecordedMessageCap;
Enabled = temp.policy.AgentsEnabled;
try
{
policyCache.Add(URL, temp);
}
catch (Exception e)
{
Logger.debug(e, "error caught adding " + URL + " to the policy cache");
}
currentlevel = responsep1.classification;
Logger.info("FGSMS.MessageProcessor" + "Successfully Refreshed policy from the policy configuration service for " + URL);
myPolicy = policyCache[URL] as PolicyHelper;
return myPolicy;
}
//{"There was no endpoint listening at http://localhost:8080/FGSMSServices/PCS that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details."}
catch (EndpointNotFoundException ex)
{
_lasterror = ex.GetType().FullName + " " + ex.Message;
Logger.info(ex, "FGSMS.MessageProcessor" + "unable to transmit to " + config.pcsurl[i]);
//this means that the current PCS url is not functioning, try moving to the next one
//polservice = config.GetPCSProxy();
}
catch (Exception ex)
{
Logger.info(ex, "FGSMS.MessageProcessor" + "unable to transmit to " + config.pcsurl[i] + " Policy Updater - failed to policy from the policy configuration service for " + URL + " check that the URL and credentials are correct");
}
}
}
break;
case ConfigLoader.Algorithm.ROUNDROBIN:
for (int k = 0; k < config.PCSretrycount; k++)
{
for (int i = 0; i < config.pcsurl.Count; i++)
{
try
{
if (polservice != null)
{
try
{
((IClientChannel)polservice).Close();
((IClientChannel)polservice).Dispose();
}
catch (Exception ex)
{
// log.TraceEvent(TraceEventType.Warning, 0, "Uh oh" + ex.Message + ex.StackTrace);
}
}
polservice = config.GetPCSProxy(config.pcsurl[i]);
ServicePolicyRequestMsg requestr = new ServicePolicyRequestMsg();
//requestr = new ServicePolicyRequestMsg();
requestr.URI = URL;
//remember, .NET/IIS is not case sensitive
// GetServicePolicyRequest r = new GetServicePolicyRequest();
// r.request = requestr;
requestr.classification = currentlevel;
ServicePolicyResponseMsg responsep1 = polservice.GetServicePolicy(requestr);
PolicyHelper temp = new PolicyHelper();
temp.lastUpdate = DateTime.Now;
if (responsep1.policy.GetType() != typeof(TransactionalWebServicePolicy))
{
Logger.info("FGSMS.MessageProcessor" + "Successfully retrieved a policy from the policy configuration service, however it was of an unexpected type " + URL + " type info " + responsep1.policy.GetType().FullName);
throw new ArgumentOutOfRangeException();
}
temp.policy = (TransactionalWebServicePolicy)responsep1.policy;
MAXCAP = temp.policy.RecordedMessageCap;
Enabled = temp.policy.AgentsEnabled;
try
{
policyCache.Add(URL, temp);
}
catch (Exception e)
{
Logger.debug(e, "error caught adding " + URL + " to the policy cache");
//its possible that there is another instance of this class running, even through there isn't supposed to be.
}
currentlevel = responsep1.classification;
Logger.info("FGSMS.MessageProcessor" + "Successfully Refreshed policy from the policy configuration service for " + URL);
myPolicy = policyCache[URL] as PolicyHelper;
return myPolicy;
}
//{"There was no endpoint listening at http://localhost:8080/FGSMSServices/PCS that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details."}
catch (EndpointNotFoundException ex)
{
_lasterror = ex.GetType().FullName + " " + ex.Message;
//this means that the current PCS url is not function, try moving to the next one
//polservice = config.GetPCSProxy();
Logger.info(ex, "FGSMS.MessageProcessor" + "unable to transmit to " + config.pcsurl[i]);
}
catch (Exception ex)
{
Logger.info(ex, "FGSMS.MessageProcessor" + "unable to transmit to " + config.pcsurl[i] + " Policy Updater - failed to policy from the policy configuration service for " + URL + " check that the URL and credentials are correct");
}
}
}
break;
}
if (myPolicy == null)
{
Logger.error("FGSMS.MessageProcessor" + "Cannot contact the policy config service. Reverting to default policy. ");
return GetDefaultPolicy(URL);
}
}
}
TimeSpan times = XmlConvert.ToTimeSpan(myPolicy.policy.PolicyRefreshRate);
if ((DateTime.Now.Ticks - myPolicy.lastUpdate.Ticks) > times.Ticks)
{
//TODO load balance this
//if the policy is out of date, update it.
try
{
//policyConfigurationServiceClient service = new policyConfigurationServiceClient();
ServicePolicyRequestMsg requestr = new ServicePolicyRequestMsg();
requestr.URI = URL;
//ServicePolicyRequest r = new GetServicePolicyRequest();
//r.request = requestr;
requestr.classification = currentlevel;
ServicePolicyResponseMsg responsep = polservice.GetServicePolicy(requestr);
policyCache.Remove(URL);
PolicyHelper temp = new PolicyHelper();
if (responsep.policy.GetType() != typeof(TransactionalWebServicePolicy))
{
Logger.info("FGSMS.MessageProcessor" + "Successfully retrieved a policy from the policy configuration service, however it was of an unexpected type " + URL + " type info " + responsep.policy.GetType().FullName);
throw new ArgumentOutOfRangeException();
}
temp.policy = (TransactionalWebServicePolicy)responsep.policy;
temp.lastUpdate = DateTime.Now;
currentlevel = responsep.classification;
try
{
policyCache.Add(URL, temp);
}
catch (Exception e)
{
Logger.debug(e, "error caught adding " + URL + " to the policy cache");
}
Logger.info("Policy Updater- Successfully Refreshed policy from the policy configuration service for " + URL.ToString());
return temp;
}
catch (Exception ex)
{
Logger.warn(ex, "Policy update failure, unable to update policy for " + URL + ". Using old policy instead. Error:");
}
}
return myPolicy;
}
// private Boolean errorState = false;
// private static Hashtable dependencyCache;
private MessageProcessor()
{
if (AppDomain.CurrentDomain != null)
AppDomain.CurrentDomain.ProcessExit += new EventHandler(CurrentDomain_ProcessExit);
//Shutdown = true;
currentlevel = new SecurityWrapper();
currentlevel.caveats = "";
currentlevel.classification = ClassificationType.U;
Hashtable t2 = new Hashtable();
threadmap = Hashtable.Synchronized(t2);
//log = new TraceSource(name);
// dependencyCache = new Hashtable();
// dependency_queue = new Queue<DependencyContainer>();
Hashtable t = new Hashtable();
policyCache = Hashtable.Synchronized(t);
// publishingThread = new Thread(new ThreadStart(SendPerformanceData));
//publishingThread.Start();
publishingThread = new List<Thread>();
// dependencyThread = new Thread(new ThreadStart(SendDependencyData));
// dependencyThread.Start();
Queue q = new Queue();
the_queue = Queue.Synchronized(q);
try
{
config = new ConfigLoader();
// polservice = config.GetPCSProxy();
// dcsservice = config.GetDCSProxy();
}
catch
{
ErrorState = true;
}
}
