// constructors
/// <summary>
///
/// </summary>
/// <param name="moduleInfo"></param>
/// <param name="cryptoManager"></param>
/// <param name="itemKind"></param>
/// <param name="transient"></param>
/// <param name="appScope"></param>
/// <param name="name"></param>
/// <param name="props"></param>
/// <param name="data"></param>
/// <param name="dataType"></param>
/// <param name="serialFormat"></param>
/// <param name="lifetime"></param>
public ServerItem(
IModuleInfo moduleInfo,
ICryptoManager cryptoManager,
ItemKind itemKind,
bool transient,
string appScope,
string name,
NamedValueSet props,
object data,
Type dataType,
SerialFormat serialFormat,
TimeSpan lifetime)
: base(itemKind, transient, name, appScope)
{
_moduleInfo = moduleInfo ?? throw new ArgumentNullException(nameof(moduleInfo));
_cryptoManager = cryptoManager ?? throw new ArgumentNullException(nameof(cryptoManager));
if (dataType == null)
{
throw new ArgumentNullException(nameof(dataType));
}
SysProps.Set(SysPropName.SAlg, (int)serialFormat);
AppProps.Add(props);
_data = data;
_dataTypeType = dataType;
DataTypeName = dataType.FullName;
_lifetime = lifetime;
}
private void Serialise()
{
if (_text == null && _data != null)
{
var serialFormat = (SerialFormat)SysProps.GetValue(SysPropName.SAlg, 0);
switch (serialFormat)
{
case SerialFormat.Binary:
// try Binary serialiser
_text = BinarySerializerHelper.SerializeToString(_data);
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Binary);
break;
case SerialFormat.Soap:
// try Soap serialiser
_text = SoapSerializerHelper.SerializeToString(_data);
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Soap);
break;
case SerialFormat.Json:
// try Json serialiser
_text = JsonSerializerHelper.SerializeToString(_data);
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Json);
break;
case SerialFormat.Xml:
try
{
_text = XmlSerializerHelper.SerializeToString(_dataTypeType, _data);
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Xml);
}
catch (Exception excp)
{
throw new ApplicationException(
"The XmlSerializer has thrown an exception: '" + excp.GetType().Name + "'. " +
"If your intent was to use the BinaryFormatter or SoapFormatter for serialisation, " +
"then you should set the SerialFormat property appropriately.",
excp);
}
break;
default:
// use default xml serialiser
try
{
_text = XmlSerializerHelper.SerializeToString(_dataTypeType, _data);
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Xml);
}
catch (Exception excp)
{
throw new ApplicationException(
"The XmlSerializer has thrown an exception: '" + excp.GetType().Name + "'. " +
"If your intent was to use the BinaryFormatter or SoapFormatter for serialisation, " +
"then you should set the SerialFormat property appropriately.",
excp);
}
break;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="text"></param>
/// <param name="dataType"></param>
public void SetText(string text, Type dataType)
{
CheckNotFrozen();
_text = text;
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Undefined);
_data = null;
_dataTypeType = dataType;
DataTypeName = dataType.FullName;
}
/// <summary>
///
/// </summary>
/// <param name="itemKind"></param>
/// <param name="transient"></param>
/// <param name="appScope"></param>
/// <param name="name"></param>
/// <param name="props"></param>
/// <param name="serialisedData"></param>
/// <param name="dataTypeName"></param>
/// <param name="lifetime"></param>
public ServerItem(
ItemKind itemKind,
bool transient,
string appScope,
string name,
NamedValueSet props,
string serialisedData,
string dataTypeName,
TimeSpan lifetime)
: base(itemKind, transient, name, appScope)
{
AppProps.Add(props);
_text = serialisedData;
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Undefined);
DataTypeName = dataTypeName;
_lifetime = lifetime;
}
/// <summary>
///
/// </summary>
public void Freeze()
{
if (_frozen)
{
return;
}
if (Name == null)
{
throw new ApplicationException("Item name not set!");
}
TimeSpan maxLifetime = DateTimeOffset.MaxValue - DateTimeOffset.Now - TimeSpan.FromDays(1);
if (_lifetime > maxLifetime)
{
_lifetime = maxLifetime;
}
if (_lifetime < TimeSpan.Zero)
{
_lifetime = TimeSpan.Zero;
}
Created = DateTimeOffset.Now;
Expires = Created.Add(_lifetime);
// serialise the data if required
Serialise();
if (DataTypeName == null)
{
DataTypeName = "";
}
if (_text == null)
{
//_Text = "";
SysProps.Set(SysPropName.SAlg, (int)SerialFormat.Undefined);
}
SysProps.Set(SysPropName.TLen, _text?.Length ?? 0);
// compress the data
_zData = CompressionHelper.CompressToBuffer(_text);
SysProps.Set(SysPropName.ZAlg, 1);
SysProps.Set(SysPropName.ZLen, _zData?.Length ?? 0);
// do symmetric encryption 1st, if required
var xtki = SysProps.GetValue <String>(SysPropName.XTKI, null);
if (xtki != null)
{
_xData = _cryptoManager.EncryptWithTranspKey(xtki, _zData);
SysProps.Set(SysPropName.XAlg, 1);
}
else
{
_xData = _zData;
}
SysProps.Set(SysPropName.XLen, _xData?.Length ?? 0);
// do asymmetric encryption 2nd, if required
var yrki = SysProps.GetValue <String>(SysPropName.YRKI, null);
if (yrki != null)
{
SysProps.Set(SysPropName.YAlg, 1);
YData = _cryptoManager.EncryptWithPublicKey(yrki, _xData);
}
else
{
YData = _xData;
}
YDataHash = CalculateBufferHash(YData);
SysProps.Set(SysPropName.YLen, YData?.Length ?? 0);
// do public signature 3rd, if required
var yski = SysProps.GetValue <String>(SysPropName.YSKI, null);
if (yski != null)
{
SysProps.Set(SysPropName.YAlg, 1);
YSign = _cryptoManager.CreateSignature(yski, YData);
}
// add other publisher properties
SysProps.Set(SysPropName.ApplName, _moduleInfo.ApplName);
SysProps.Set(SysPropName.ApplFVer, _moduleInfo.ApplFVer);
SysProps.Set(SysPropName.ApplPTok, _moduleInfo.ApplPTok);
SysProps.Set(SysPropName.CoreFVer, _moduleInfo.CoreFVer);
SysProps.Set(SysPropName.CorePTok, _moduleInfo.CorePTok);
SysProps.Set(SysPropName.HostName, _moduleInfo.HostName);
SysProps.Set(SysPropName.UserName, _moduleInfo.UserName);
SysProps.Set(SysPropName.UserWDom, _moduleInfo.UserWDom);
SysProps.Set(SysPropName.UserIdentity, _moduleInfo.Name);
SysProps.Set(SysPropName.UserFullName, _moduleInfo.UserFullName);
SysProps.Set(SysPropName.OrgEnvId, EnvHelper.EnvName(_moduleInfo.ConfigEnv));
SysProps.Set(SysPropName.NodeGuid, _moduleInfo.NodeGuid);
// done
_frozen = true;
}