abp/docs/en/framework/ui/angular/oauth-module.md

//[doc-seo]
{
    "Description": "Explore the ABP OAuth Package to learn about authentication integration in your app, including essential classes and functions for seamless user management."
}

ABP OAuth Package

The authentication implementation was moved from @abp/ng.core to @abp/ng.oauth in v7.0. The core package defines the authentication abstractions and tokens, while the OAuth package supplies their angular-oauth2-oidc implementations.

The package is included in the Angular application templates. Install it if the application does not already reference it:

npm install @abp/ng.oauth

Standalone Setup

Add provideAbpOAuth() after provideAbpCore() in the providers array of app.config.ts:

import { ApplicationConfig } from '@angular/core';
import { provideAbpCore, withOptions } from '@abp/ng.core';
import { registerLocaleForEsBuild } from '@abp/ng.core/locale';
import { provideAbpOAuth } from '@abp/ng.oauth';
import { environment } from '../environments/environment';

export const appConfig: ApplicationConfig = {
  providers: [
    provideAbpCore(
      withOptions({
        environment,
        registerLocaleFn: registerLocaleForEsBuild(),
      }),
    ),
    provideAbpOAuth(),
  ],
};

AbpOAuthModule.forRoot() is deprecated. Use the standalone provider for new applications.

Registered Authentication Services

provideAbpOAuth() registers or replaces these public core abstractions:

• AuthService, AuthGuard, authGuard and asyncAuthGuard with their OAuth implementations.
• ApiInterceptor and its HTTP_INTERCEPTORS registration.
• PIPE_TO_LOGIN_FN_KEY with the function used when authentication is required.
• CHECK_AUTHENTICATION_STATE_FN_KEY with the function that checks and stores the current authentication state.
• NAVIGATE_TO_MANAGE_PROFILE with navigation to the authority's account-management page.
• AuthErrorFilterService with the OAuth error filter.
• OAuthStorage, using BrowserTokenStorageService or ServerTokenStorageService for an SSR-started application and MemoryTokenStorageService otherwise.

It also registers the OAuth configuration initializer and the providers from angular-oauth2-oidc.

API Interceptor

For non-external requests, the OAuth API interceptor adds an Authorization bearer token, Accept-Language, the configured tenant header and X-Requested-With when the corresponding values are available. Existing authorization, language and tenant headers are preserved. Requests marked with the IS_EXTERNAL_REQUEST HTTP context token are sent without those ABP headers. The interceptor also integrates every request with the HTTP wait service.

To implement another authentication system, provide replacements for the core services and tokens used by the application instead of depending on the OAuth implementations.