Change the current tenant via querystrings.

modules/account/src/Volo.Abp.Account.Web/AbpAccountWebModule.cs

@@ -3,6 +3,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Account.Localization;
 using Volo.Abp.Account.Web.Pages.Account;
 using Volo.Abp.Account.Web.ProfileManagement;
+using Volo.Abp.AspNetCore.MultiTenancy;
 using Volo.Abp.AspNetCore.Mvc.Localization;
 using Volo.Abp.AspNetCore.Mvc.UI.Bundling;
 using Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared;
@@ -21,6 +22,7 @@ namespace Volo.Abp.Account.Web
         typeof(AbpIdentityAspNetCoreModule),
         typeof(AbpAutoMapperModule),
         typeof(AbpAspNetCoreMvcUiThemeSharedModule),
+        typeof(AbpAspNetCoreMultiTenancyModule),
         typeof(AbpExceptionHandlingModule)
         )]
     public class AbpAccountWebModule : AbpModule

modules/account/src/Volo.Abp.Account.Web/Pages/Account/AccountPageModel.cs

@@ -37,14 +37,6 @@ namespace Volo.Abp.Account.Web.Pages.Account
             //identityResult.CheckErrors(LocalizationManager); //TODO: Get from old Abp
         }
 
-        protected virtual void CheckCurrentTenant(Guid? tenantId)
-        {
-            if (CurrentTenant.Id != tenantId)
-            {
-                throw new ApplicationException($"Current tenant is different than given tenant. CurrentTenant.Id: {CurrentTenant.Id}, given tenantId: {tenantId}");
-            }
-        }
-
         protected virtual string GetLocalizeExceptionMessage(Exception exception)
         {
             if (exception is ILocalizeErrorMessage || exception is IHasErrorCode)

modules/account/src/Volo.Abp.Account.Web/Pages/Account/ResetPassword.cshtml.cs

@@ -1,7 +1,11 @@
 using System;
 using System.ComponentModel.DataAnnotations;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.Extensions;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Options;
+using Volo.Abp.AspNetCore.MultiTenancy;
 using Volo.Abp.Auditing;
 using Volo.Abp.Identity;
 using Volo.Abp.MultiTenancy;
@@ -51,13 +55,49 @@ namespace Volo.Abp.Account.Web.Pages.Account
 
         protected virtual ITenantResolveResultAccessor TenantResolveResultAccessor { get; }
 
-        public ResetPasswordModel(ITenantResolveResultAccessor tenantResolveResultAccessor)
+        protected virtual AbpAspNetCoreMultiTenancyOptions AspNetCoreMultiTenancyOptions { get; }
+
+        protected virtual AbpMultiTenancyOptions MultiTenancyOptions { get; }
+
+        public ResetPasswordModel(
+            ITenantResolveResultAccessor tenantResolveResultAccessor,
+            IOptions<AbpAspNetCoreMultiTenancyOptions> aspNetCoreMultiTenancyOptions,
+            IOptions<AbpMultiTenancyOptions> multiTenancyOptions)
         {
             TenantResolveResultAccessor = tenantResolveResultAccessor;
+            AspNetCoreMultiTenancyOptions = aspNetCoreMultiTenancyOptions.Value;
+            MultiTenancyOptions = multiTenancyOptions.Value;
         }
 
         public virtual Task<IActionResult> OnGetAsync()
         {
+            if (MultiTenancyOptions.IsEnabled &&
+                TenantResolveResultAccessor.Result?.AppliedResolvers?.Contains(CookieTenantResolveContributor.ContributorName) == true)
+            {
+                if (CurrentTenant.Id != TenantId)
+                {
+                    if (TenantId != null)
+                    {
+                        Response.Cookies.Append(
+                            AspNetCoreMultiTenancyOptions.TenantKey,
+                            TenantId.ToString(),
+                            new CookieOptions
+                            {
+                                Path = "/",
+                                HttpOnly = false,
+                                Expires = DateTimeOffset.Now.AddYears(10)
+                            }
+                        );
+                    }
+                    else
+                    {
+                        Response.Cookies.Delete(AspNetCoreMultiTenancyOptions.TenantKey);
+                    }
+
+                    return Task.FromResult<IActionResult>(Redirect(HttpContext.Request.GetEncodedUrl()));
+                }
+            }
+
             return Task.FromResult<IActionResult>(Page());
         }
 

modules/account/src/Volo.Abp.Account.Web/Volo.Abp.Account.Web.csproj

@@ -35,6 +35,7 @@
   <ItemGroup>
     <ProjectReference Include="..\..\..\identity\src\Volo.Abp.Identity.AspNetCore\Volo.Abp.Identity.AspNetCore.csproj" />
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared\Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared.csproj" />
+    <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.AspNetCore.MultiTenancy\Volo.Abp.AspNetCore.MultiTenancy.csproj" />
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.AutoMapper\Volo.Abp.AutoMapper.csproj" />
     <ProjectReference Include="..\Volo.Abp.Account.HttpApi\Volo.Abp.Account.HttpApi.csproj" />
   </ItemGroup>