[SDK-2161] Allow to skip the redirect callback

projects/auth0-angular/src/lib/auth.config.ts

@@ -105,6 +105,13 @@ export interface AuthConfig {
    */
   redirectUri?: string;
 
+  /**
+   * By default, if the page url has code/state params, the SDK will treat them as Auth0's and attempt to exchange the
+   * code for a token. In some cases the code might be for something else (another OAuth SDK perhaps). In these
+   * instances you can instruct the client to ignore them.
+   */
+  skipRedirectCallback?: boolean;
+
   /**
    * The value in seconds used to account for clock skew in JWT expirations.
    * Typically, this value is no more than a minute or two at maximum.

projects/auth0-angular/src/lib/auth.service.spec.ts

@@ -5,6 +5,7 @@ import { Auth0Client, IdToken } from '@auth0/auth0-spa-js';
 import { AbstractNavigator } from './abstract-navigator';
 import { filter } from 'rxjs/operators';
 import { Location } from '@angular/common';
+import { AuthClientConfig } from './auth.config';
 
 /**
  * Wraps service.isLoading$ so that assertions can be made
@@ -19,6 +20,7 @@ describe('AuthService', () => {
   let moduleSetup: any;
   let service: AuthService;
   let locationSpy: jasmine.SpyObj<Location>;
+  let authClientConfigSpy: jasmine.SpyObj<AuthClientConfig>;
 
   const createService = () => {
     return TestBed.inject(AuthService);
@@ -47,6 +49,8 @@ describe('AuthService', () => {
     locationSpy = jasmine.createSpyObj('Location', ['path']);
     locationSpy.path.and.returnValue('');
 
+    authClientConfigSpy = jasmine.createSpyObj(['get']);
+
     moduleSetup = {
       providers: [
         AbstractNavigator,
@@ -172,6 +176,10 @@ describe('AuthService', () => {
             provide: Location,
             useValue: locationSpy,
           },
+          {
+            provide: AuthClientConfig,
+            useValue: authClientConfigSpy,
+          },
         ],
       });
 
@@ -187,6 +195,19 @@ describe('AuthService', () => {
       });
     });
 
+    it('should not handle the callback when skipRedirectCallback is true', (done) => {
+      authClientConfigSpy.get.and.returnValue({
+        skipRedirectCallback: true,
+      } as any);
+
+      const localService = createService();
+
+      loaded(localService).subscribe(() => {
+        expect(auth0Client.handleRedirectCallback).not.toHaveBeenCalledTimes(1);
+        done();
+      });
+    });
+
     it('should redirect to the correct route', (done) => {
       const localService = createService();
 

projects/auth0-angular/src/lib/auth.service.ts

@@ -36,6 +36,7 @@ import {
 import { Auth0ClientService } from './auth.client';
 import { AbstractNavigator } from './abstract-navigator';
 import { Location } from '@angular/common';
+import { AuthClientConfig } from './auth.config';
 
 @Injectable({
   providedIn: 'root',
@@ -88,6 +89,7 @@ export class AuthService implements OnDestroy {
 
   constructor(
     @Inject(Auth0ClientService) private auth0Client: Auth0Client,
+    private configFactory: AuthClientConfig,
     private location: Location,
     private navigator: AbstractNavigator
   ) {
@@ -253,11 +255,13 @@ export class AuthService implements OnDestroy {
 
   private shouldHandleCallback(): Observable<boolean> {
     return of(this.location.path()).pipe(
-      map(
-        (search) =>
+      map((search) => {
+        return (
           (search.includes('code=') || search.includes('error=')) &&
-          search.includes('state=')
-      )
+          search.includes('state=') &&
+          !this.configFactory.get()?.skipRedirectCallback
+        );
+      })
     );
   }
 

projects/playground/src/app/app.module.ts

@@ -17,6 +17,7 @@ import {
 const authConfig: AuthConfig = {
   clientId: 'wLSIP47wM39wKdDmOj6Zb5eSEw3JVhVp',
   domain: 'brucke.auth0.com',
+  skipRedirectCallback: window.location.pathname === '/other-callback',
 };
 
 /**