Yes, in ABP, even if a tenant has 2FA enabled or enforced, you can disable 2FA for a specific user account. This allows you to perform automation API testing with that user while keeping 2FA enabled for others.
You can manage this via the admin UI:
/Identity/Users).In the database, the relevant value is stored in the AbpUsers table, in the TwoFactorEnabled column. Setting this column to false for a user disables 2FA for that user, regardless of the tenant-wide setting.
This approach is recommended for backend API automation testing: create a dedicated test user with 2FA disabled, while keeping 2FA enabled for real users.
Sources:
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To deny access for JWT tokens with "alg": "none" in their headers, you should rely on the default behavior of the JWT Bearer authentication middleware used by ABP (which is based on ASP.NET Core and Microsoft.IdentityModel). By default, the middleware will reject tokens with "alg": "none" and will not treat them as valid, as this is a well-known security risk.
No additional configuration is required in ABP or ASP.NET Core to block "alg": "none" tokens, unless you have custom code that overrides the default token validation behavior. As long as you use the standard AddJwtBearer or AddAbpJwtBearer setup, tokens with "alg": "none" will be denied.
Example configuration (default, secure):
context.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
.AddJwtBearer(options =>
{
options.Authority = "https://your-auth-server";
options.Audience = "YourAudience";
// No need to add custom logic for "alg": "none"
});
If you have not customized the token validation pipeline to allow "alg": "none", your application is already protected. Allowing "alg": "none" would require explicit, insecure customization, which is not present in ABP's default templates.
This will not break any ABP authentication or authorization features, as rejecting "alg": "none" is the secure and expected behavior.
Sources:
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To use a central ABP Auth Server and have another project's API Host accept tokens from this Auth Server, you must ensure the following key points are correctly configured:
API Resource Registration in Auth Server:
ReactAppService) and include the required scopes (such as ReactAppService, email, profile, etc.).Scope Usage in Token Request:
scope parameter must include the API resource scope (e.g., scope=ReactAppService offline_access), not just the client or SSO scope.MerkeziSSO offline_access, the access token may not be valid for the API Host.API Host Configuration:
appsettings.json, set the AuthServer:Authority to the central Auth Server's URL.AuthServer:RequireHttpsMetadata is set according to your environment.Audience Validation:
aud (audience) claim in the JWT. This must match the API resource name you registered in the Auth Server.Token Usage:
Authorization: Bearer header.Common Issues and Solutions:
Example Steps:
"ApiResources": {
"ReactAppService": {
"Scopes": [ "ReactAppService" ]
}
}
"Clients": {
"React_Client": {
"Scopes": [ "ReactAppService", "email", "profile", "offline_access" ]
}
}
"AuthServer": {
"Authority": "https://localhost:44387",
"RequireHttpsMetadata": true,
"ApiName": "ReactAppService"
}
POST /connect/token
client_id=React_Client
client_secret=1q2w3E*
grant_type=client_credentials
scope=ReactAppService offline_access
Authorization: Bearer {access_token}
Summary Checklist:
If you follow these steps and ensure the scopes and audiences are correct, your API Host should accept tokens from the central Auth Server.
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When you access an ABP Integration Service endpoint from another backend service, the request must include a valid authentication token with the required permissions. If the endpoint is protected by [Authorize] or a permission attribute, and the calling service does not forward the user's access token or does not use a valid service-to-service token with the necessary claims, you will get a 401 Unauthorized error.
Integration Services are not exposed by default and typically do not require authorization, but if you add [Authorize] or permission attributes, you must ensure the caller is authenticated and authorized. When you call the endpoint directly (e.g., via Postman), you provide a valid token, so it works. When called from another backend service, unless you explicitly forward the user's token or use a client credentials flow, the call is unauthenticated.
Solution:
Forward the User's Access Token:
IAccessTokenProvider or similar mechanism to retrieve and forward the token.Use Client Credentials (Service-to-Service):
Check Integration Service Exposure:
AbpAspNetCoreMvcOptions.ExposeIntegrationServices = true in your module configuration to expose integration services.Security Note:
[Authorize], the endpoint is open to anyone, which is a security risk. Always require authentication and proper permissions.Example: Forwarding the Token
// In backend service A, when calling the integration service:
var client = _httpClientFactory.CreateClient("IntegrationService");
client.DefaultRequestHeaders.Authorization =
new AuthenticationHeaderValue("Bearer", userAccessToken); // Forward user's token
References:
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To ensure the tenant is correctly passed during login in an ABP Angular application, you must configure both the backend and frontend to resolve and transmit the tenant information. If you replace the login component but do not handle tenant resolution and transmission, the login will default to the host.
Solution Steps:
Frontend (Angular) Configuration:
__tenant header with each request. This is handled automatically if you use the {0} placeholder in your baseUrl and configure the backend for domain/subdomain tenant resolution.SessionStateService to set the tenant before login, or pass the __tenant parameter when calling authService.navigateToLogin().Example:
import { AuthService, SessionStateService } from '@abp/ng.core';
// ...
constructor(private authService: AuthService, private sessionState: SessionStateService) {}
login() {
const tenantId = this.sessionState.getTenant().id;
this.authService.navigateToLogin({ __tenant: tenantId });
}
__tenant header or query string:Configure<AbpTenantResolveOptions>(options =>
{
options.AddHeaderTenantResolver();
options.AddQueryStringTenantResolver();
// Add domain resolver if using subdomains
});
Check Environment Configuration:
{0} in your baseUrl. Instead, ensure the tenant is set in the session and passed during login.Disable Tenant Switcher (Optional):
Summary:
SessionStateService to set/get the tenant.navigateToLogin as shown above.Sources:
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To achieve your goal of exposing multiple ABP services (Host, Auth, Web) under a single domain and port using a reverse proxy, you need to ensure that:
In each ABP application's Startup.cs (or Program.cs for .NET 6+), add the Forwarded Headers Middleware at the top of the middleware pipeline:
app.UseForwardedHeaders(new ForwardedHeadersOptions
{
ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
});
This ensures the application correctly interprets the original request's scheme and host.
Configure your reverse proxy to map paths as follows:
/api → Host Server (https://localhost:44342)/auth → Auth Server (https://localhost:44339)/ → Web Server (https://localhost:44378)For example, in IIS, you can use URL Rewrite rules or in YARP (Yet Another Reverse Proxy) you can define routes in appsettings.json.
App:SelfUrl, AuthServer:Authority, and RemoteServices:Default:BaseUrl in each app's appsettings.json to use the public-facing URL (https://localhost:44378).This approach is required for correct operation behind a reverse proxy, especially for authentication and URL generation.
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The official ABP Framework documentation provides release information, migration guides, and the roadmap, which include details about supported versions and upgrade paths. However, as of now, there is no dedicated page that explicitly lists End-of-Support (EOS) or End-of-Life (EOL) dates for each version. The documentation focuses on the latest releases, migration guides, and upgrade instructions.
To determine which versions are currently supported, refer to the release notes and migration guides. The roadmap page outlines upcoming releases and planned support.
For the most accurate and up-to-date information on supported versions and upgrade recommendations, consult the following official documentation pages:
If you require explicit EOS/EOL dates, it is recommended to contact ABP support directly, as this information is not published in a dedicated lifecycle policy document.
Sources:
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To resolve the "Volo.Abp.Http.Client.AbpRemoteCallException: An internal error occurred during your request!" error after adding the Payment module, follow these steps to ensure correct configuration:
Install Required NuGet Packages
Volo.Payment.* and Volo.Payment.Stripe.* in Application, Application.Contracts, HttpApi, HttpApi.Client, Domain, Domain.Shared, and Web projects.Volo.Payment.EntityFrameworkCore in the EntityFrameworkCore project.Update Module Dependencies
[DependsOn(typeof(AbpPaymentWebModule), typeof(AbpPaymentStripeWebModule))] to your Web module class.Configure Payment in appsettings.json
"Payment": {
"Stripe": {
"PublishableKey": "pk_test_xxx",
"SecretKey": "sk_test_xxx",
"WebhookSecret": "whsec_xxx",
"PaymentMethodTypes": []
}
}
HttpApi.Host module:Configure<AbpSaasPaymentOptions>(options =>
{
options.IsPaymentSupported = true;
});
PreConfigureServices:public override void PreConfigureServices(ServiceConfigurationContext context)
{
var configuration = context.Services.GetConfiguration();
Configure<PaymentWebOptions>(options =>
{
options.RootUrl = configuration["App:SelfUrl"];
options.CallbackUrl = configuration["App:SelfUrl"] + "/PaymentSucceed";
});
}
Database Migration
Check Permissions
Restart All Services
If you still encounter errors, check the inner exception details and ensure all URLs and endpoints are accessible from your environment.
Sources:
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The LeptonX resource not appearing in the Language Management UI, even though it exists in the database, is a known scenario in ABP Framework. This typically happens because the LeptonX theme's localization resources are embedded and not registered as dynamic/localizable resources in the Language Management module by default.
The Language Management module only lists resources that are registered for dynamic localization. Theme resources like LeptonX are usually not registered this way, as they are intended for static use and are not meant to be managed via the Language Management UI.
If you want LeptonX (or any other theme resource) to appear in the Language Management UI, you must explicitly register it as a dynamic localization resource in your application. This is not done automatically for theme resources.
How to register LeptonX as a dynamic localization resource:
YourProject.Web), configure the localization options to add LeptonX as a resource:Configure<AbpLocalizationOptions>(options =>
{
options.Resources
.Add<LeptonXResource>("en")
.AddVirtualJson("/Localization/LeptonX");
});
LeptonXResource) and the virtual JSON path matches your project structure.If you want it to be managed by the Language Management module, you may also need to ensure it is included in the dynamic localization provider setup.
After making these changes, restart your application. The LeptonX resource should now appear in the Language Management UI.
References:
This approach aligns with ABP's modular localization system and is required for any resource you want to manage dynamically.
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To resolve the issue where the Angular date picker (NgBootstrap datepicker) is not displaying in your ABP Angular application, ensure the following steps are completed:
book.module.ts, import and add NgbDatepickerModule to the imports array:import { NgbDatepickerModule } from '@ng-bootstrap/ng-bootstrap';
@NgModule({
declarations: [BookComponent],
imports: [
BookRoutingModule,
SharedModule,
NgbDatepickerModule, // <-- Add this line
]
})
export class BookModule { }
book.component.ts, add the following provider to ensure the date picker works with JavaScript Date objects:import { NgbDateNativeAdapter, NgbDateAdapter } from '@ng-bootstrap/ng-bootstrap';
@Component({
selector: 'app-book',
templateUrl: './book.component.html',
styleUrls: ['./book.component.scss'],
providers: [
ListService,
{ provide: NgbDateAdapter, useClass: NgbDateNativeAdapter } // <-- Add this line
],
})
export class BookComponent implements OnInit {
// ...
}
<input
#datepicker="ngbDatepicker"
class="form-control"
name="datepicker"
formControlName="publishDate"
ngbDatepicker
(click)="datepicker.toggle()"
/>
@ng-bootstrap/ng-bootstrap:yarn add @ng-bootstrap/ng-bootstrap
or
npm install @ng-bootstrap/ng-bootstrap
These steps should resolve the error and make the date picker work as expected.
Sources:
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