Fixed multithread problem for aspnet core tenant resolvers.

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/CookieTenantResolver.cs

@@ -1,12 +1,13 @@
 using Microsoft.AspNetCore.Http;
+using Volo.Abp.MultiTenancy;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class CookieTenantResolver : HttpTenantResolverBase
     {
-        protected override string GetTenantIdFromHttpContextOrNull(HttpContext httpContext)
+        protected override string GetTenantIdFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
-            return httpContext.Request.Cookies[Options.TenantIdKey];
+            return httpContext.Request.Cookies[context.GetAspNetCoreMultiTenancyOptions().TenantIdKey];
         }
     }
 }

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/HeaderTenantResolver.cs

@@ -1,13 +1,32 @@
-using Microsoft.AspNetCore.Http;
+using System.Linq;
+using Microsoft.AspNetCore.Http;
+using Volo.Abp.MultiTenancy;
+using Volo.ExtensionMethods.Collections.Generic;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class HeaderTenantResolver : HttpTenantResolverBase
     {
-        protected override string GetTenantIdFromHttpContextOrNull(HttpContext httpContext)
+        protected override string GetTenantIdFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
             //TODO: Get first one if provided multiple values and write a log
-            return httpContext.Request.Headers[Options.TenantIdKey];
+            if (httpContext.Request.Headers.IsNullOrEmpty())
+            {
+                return null;
+            }
+
+            var tenantIdHeader = httpContext.Request.Headers[context.GetAspNetCoreMultiTenancyOptions().TenantIdKey];
+            if (tenantIdHeader == string.Empty || tenantIdHeader.Count < 1)
+            {
+                return null;
+            }
+
+            if (tenantIdHeader.Count > 1)
+            {
+                
+            }
+
+            return tenantIdHeader.First();
         }
     }
 }

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/HttpTenantResolverBase.cs

@@ -1,6 +1,4 @@
 using Microsoft.AspNetCore.Http;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Options;
 using Volo.Abp.MultiTenancy;
 using Volo.ExtensionMethods;
 
@@ -8,12 +6,8 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public abstract class HttpTenantResolverBase : ITenantResolver
     {
-        protected AspNetCoreMultiTenancyOptions Options { get; private set; }
-
         public virtual void Resolve(ITenantResolveContext context)
         {
-            Options = context.ServiceProvider.GetRequiredService<IOptions<AspNetCoreMultiTenancyOptions>>().Value;
-
             var httpContext = context.GetHttpContext();
             if (httpContext == null)
             {
@@ -25,13 +19,13 @@ namespace Volo.Abp.AspNetCore.MultiTenancy
 
         private void ResolveFromHttpContext(ITenantResolveContext context, HttpContext httpContext)
         {
-            var tenantId = GetTenantIdFromHttpContextOrNull(httpContext);
+            var tenantId = GetTenantIdFromHttpContextOrNull(context, httpContext);
             if (!tenantId.IsNullOrEmpty())
             {
                 context.Tenant = new TenantInfo(tenantId);
             }
         }
 
-        protected abstract string GetTenantIdFromHttpContextOrNull(HttpContext httpContext);
+        protected abstract string GetTenantIdFromHttpContextOrNull(ITenantResolveContext context,HttpContext httpContext);
     }
 }

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/QueryStringTenantResolver.cs

@@ -1,17 +1,18 @@
 using Microsoft.AspNetCore.Http;
+using Volo.Abp.MultiTenancy;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class QueryStringTenantResolver : HttpTenantResolverBase
     {
-        protected override string GetTenantIdFromHttpContextOrNull(HttpContext httpContext)
+        protected override string GetTenantIdFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
             if (!httpContext.Request.QueryString.HasValue)
             {
                 return null;
             }
 
-            return httpContext.Request.Query[Options.TenantIdKey];
+            return httpContext.Request.Query[context.GetAspNetCoreMultiTenancyOptions().TenantIdKey];
         }
     }
 }

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/RouteTenantResolver.cs

@@ -1,14 +1,15 @@
 using System;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Routing;
+using Volo.Abp.MultiTenancy;
 
 namespace Volo.Abp.AspNetCore.MultiTenancy
 {
     public class RouteTenantResolver : HttpTenantResolverBase
     {
-        protected override string GetTenantIdFromHttpContextOrNull(HttpContext httpContext)
+        protected override string GetTenantIdFromHttpContextOrNull(ITenantResolveContext context, HttpContext httpContext)
         {
-            var tenantId = httpContext.GetRouteValue(Options.TenantIdKey);
+            var tenantId = httpContext.GetRouteValue(context.GetAspNetCoreMultiTenancyOptions().TenantIdKey);
             if (tenantId == null)
             {
                 return null;

src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/TenantResolveContextExtensions.cs

@@ -0,0 +1,14 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using Volo.Abp.MultiTenancy;
+
+namespace Volo.Abp.AspNetCore.MultiTenancy
+{
+    public static class TenantResolveContextExtensions
+    {
+        public static AspNetCoreMultiTenancyOptions GetAspNetCoreMultiTenancyOptions(this ITenantResolveContext context)
+        {
+            return context.ServiceProvider.GetRequiredService<IOptionsSnapshot<AspNetCoreMultiTenancyOptions>>().Value;
+        }
+    }
+}