Files
BeWoPlaner/Service/ServiceBehavior/AdminMultitenancyContextInitializer.cs

98 lines
2.6 KiB
C#

using BeWo.Data;
using System;
using System.Collections.Generic;
using System.Linq;
using System.ServiceModel.Channels;
using System.ServiceModel;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Xml;
using System.ServiceModel.Dispatcher;
using BeWo.Service.Core;
using BS.Shared.Extensions;
using BeWo.Service.ServiceUtils;
using BS.Shared.Attributes;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;
namespace BeWo.Service.ServiceBehavior
{
public class AdminMultitenancyContextInitializer : ICallContextInitializer
{
public void AfterInvoke(object pCorrelationState)
{
if (pCorrelationState is MultitenancyOperationContextExt)
{
OperationContext.Current.Extensions.Remove((MultitenancyOperationContextExt)pCorrelationState);
}
}
public object BeforeInvoke(InstanceContext pInstanceContext, IClientChannel pChannel, Message pMessage)
{
string lTenant = null;
// Hole Interface
string lInterface = null;
var segments = pChannel.LocalAddress.Uri.Segments;
for (int i = 0; i < segments.Length; i++)
{
var seg = segments[i].Trim('/');
if (seg.EndsWith(".svc"))
{
lInterface = "I" + seg.Substring(0, seg.Length - 4);
}
}
if (string.IsNullOrWhiteSpace(lInterface))
{
throw new ArgumentException($"Zugriff verweigert. Interface unbekannt");
}
// Hole Methode
string lMethod = pMessage.Properties[WebHttpDispatchOperationSelector.HttpOperationNamePropertyName] as string;
if (string.IsNullOrWhiteSpace(lMethod))
{
throw new ArgumentException($"Zugriff verweigert. Methode unbekannt");
}
// RequireNoTenant
var lTemp = ServiceHelper.GetCustomAttribute<RequireNoTenantAttribute>(lInterface, lMethod);
if (lTemp is object)
{
return null;
}
// Hole tenant aus Query
// Wird erstmal nicht benötigt. Per Header besser
// Ungefähr auf einem Level wie Username
//if (pMessage.Properties?.Via is Uri uri)
//{
// var query = HttpUtility.ParseQueryString(uri.Query);
// var tenant = query["tenant"];
// lTenant = tenant;
//}
// Hole tenant aus Header
if (string.IsNullOrWhiteSpace(lTenant))
{
var prop = (HttpRequestMessageProperty)pMessage.Properties[HttpRequestMessageProperty.Name];
lTenant = prop?.Headers["tenant"];
}
// Wenn kein Tenant gefunden wird,
if (string.IsNullOrWhiteSpace(lTenant))
{
throw new ArgumentException($"Zugriff verweigert. Tenant (\'{lTenant}\') darf nicht leer sein.", nameof(lTenant));
}
var lExt = new MultitenancyOperationContextExt { Tenant = lTenant };
OperationContext.Current.Extensions.Add(lExt);
return lExt;
}
}
}