public void ReleaseInstance(InstanceContext instanceContext, object instance)
{
int hashCode = instance.GetHashCode();
IDisposable disposable = instance as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
else
{
Marshal.ReleaseComObject(instance);
}
ComPlusInstanceCreationTrace.Trace(TraceEventType.Verbose, 0x50014, "TraceCodeComIntegrationInstanceReleased", this.info, instanceContext, hashCode);
}
public void ReleaseInstance(InstanceContext instanceContext, object instance)
{
int instanceID = instance.GetHashCode();
IDisposable disposable = instance as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
else
{
// All ServicedComponents are disposable, so we don't
// have to worry about getting a ServicedComponent
// here.
//
Marshal.ReleaseComObject(instance);
}
ComPlusInstanceCreationTrace.Trace(TraceEventType.Verbose, TraceCode.ComIntegrationInstanceReleased,
SR.TraceCodeComIntegrationInstanceReleased, this.info, instanceContext, instanceID);
}
public object GetInstance(InstanceContext instanceContext, Message message)
{
object result = null;
Guid incomingTransactionID = Guid.Empty;
if (ContextUtil.IsInTransaction)
{
incomingTransactionID = ContextUtil.TransactionId;
}
ComPlusInstanceCreationTrace.Trace(TraceEventType.Verbose, TraceCode.ComIntegrationInstanceCreationRequest,
SR.TraceCodeComIntegrationInstanceCreationRequest, this.info, message, incomingTransactionID);
WindowsIdentity callerIdentity = null;
callerIdentity = MessageUtil.GetMessageIdentity(message);
WindowsImpersonationContext impersonateContext = null;
try
{
try
{
if (this.info.HostingMode ==
HostingMode.WebHostOutOfProcess)
{
if (SecurityUtils.IsAtleastImpersonationToken(new SafeCloseHandle(callerIdentity.Token, false)))
{
impersonateContext = callerIdentity.Impersonate();
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(SR.GetString(SR.BadImpersonationLevelForOutOfProcWas), HR.ERROR_BAD_IMPERSONATION_LEVEL));
}
}
CLSCTX clsctx = CLSCTX.SERVER;
if (PlatformSupportsBitness && (this.info.HostingMode ==
HostingMode.WebHostOutOfProcess))
{
if (this.info.Bitness == Bitness.Bitness32)
{
clsctx |= CLSCTX.ACTIVATE_32_BIT_SERVER;
}
else
{
clsctx |= CLSCTX.ACTIVATE_64_BIT_SERVER;
}
}
result = SafeNativeMethods.CoCreateInstance(
info.Clsid,
null,
clsctx,
IID_IUnknown);
}
finally
{
if (impersonateContext != null)
{
impersonateContext.Undo();
}
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
Uri from = null;
if (message.Headers.From != null)
{
from = message.Headers.From.Uri;
}
DiagnosticUtility.EventLog.LogEvent(TraceEventType.Error,
(ushort)System.Runtime.Diagnostics.EventLogCategory.ComPlus,
(uint)System.Runtime.Diagnostics.EventLogEventId.ComPlusInstanceCreationError,
from == null ? string.Empty : from.ToString(),
this.info.AppID.ToString(),
this.info.Clsid.ToString(),
incomingTransactionID.ToString(),
callerIdentity.Name,
e.ToString());
throw TraceUtility.ThrowHelperError(e, message);
}
TransactionProxy proxy = instanceContext.Extensions.Find <TransactionProxy>();
if (proxy != null)
{
proxy.InstanceID = result.GetHashCode();
}
ComPlusInstanceCreationTrace.Trace(TraceEventType.Verbose, TraceCode.ComIntegrationInstanceCreationSuccess,
SR.TraceCodeComIntegrationInstanceCreationSuccess, this.info, message, result.GetHashCode(), incomingTransactionID);
return(result);
}
public object GetInstance(InstanceContext instanceContext, Message message)
{
object obj2 = null;
Guid empty = Guid.Empty;
if (ContextUtil.IsInTransaction)
{
empty = ContextUtil.TransactionId;
}
ComPlusInstanceCreationTrace.Trace(TraceEventType.Verbose, 0x50012, "TraceCodeComIntegrationInstanceCreationRequest", this.info, message, empty);
WindowsIdentity messageIdentity = null;
messageIdentity = MessageUtil.GetMessageIdentity(message);
WindowsImpersonationContext context = null;
try
{
try
{
if (this.info.HostingMode == HostingMode.WebHostOutOfProcess)
{
if (!System.ServiceModel.ComIntegration.SecurityUtils.IsAtleastImpersonationToken(new SafeCloseHandle(messageIdentity.Token, false)))
{
throw System.ServiceModel.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new COMException(System.ServiceModel.SR.GetString("BadImpersonationLevelForOutOfProcWas"), HR.ERROR_BAD_IMPERSONATION_LEVEL));
}
context = messageIdentity.Impersonate();
}
CLSCTX sERVER = CLSCTX.SERVER;
if (PlatformSupportsBitness && (this.info.HostingMode == HostingMode.WebHostOutOfProcess))
{
if (this.info.Bitness == Bitness.Bitness32)
{
sERVER |= CLSCTX.ACTIVATE_32_BIT_SERVER;
}
else
{
sERVER |= CLSCTX.ACTIVATE_64_BIT_SERVER;
}
}
obj2 = System.ServiceModel.ComIntegration.SafeNativeMethods.CoCreateInstance(this.info.Clsid, null, sERVER, IID_IUnknown);
}
finally
{
if (context != null)
{
context.Undo();
}
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
Uri uri = null;
if (message.Headers.From != null)
{
uri = message.Headers.From.Uri;
}
System.ServiceModel.DiagnosticUtility.EventLog.LogEvent(TraceEventType.Error, EventLogCategory.ComPlus, (EventLogEventId)(-1073610726), new string[] { (uri == null) ? string.Empty : uri.ToString(), this.info.AppID.ToString(), this.info.Clsid.ToString(), empty.ToString(), messageIdentity.Name, exception.ToString() });
throw TraceUtility.ThrowHelperError(exception, message);
}
System.ServiceModel.ComIntegration.TransactionProxy proxy = instanceContext.Extensions.Find <System.ServiceModel.ComIntegration.TransactionProxy>();
if (proxy != null)
{
proxy.InstanceID = obj2.GetHashCode();
}
ComPlusInstanceCreationTrace.Trace(TraceEventType.Verbose, 0x50013, "TraceCodeComIntegrationInstanceCreationSuccess", this.info, message, obj2.GetHashCode(), empty);
return(obj2);
}