@ppwcode/ng-oauth
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2.0.0 • Public • Published

PPWCode Angular OAuth

This module is the ppwcode-way of dealing with OAuth in an Angular application.

The module ships with a token interceptor, a guard and a service managing the authentication process and using the token.

Installing

Run the following command to install the package using NPM:

npm install @ppwcode/ng-oauth

In case you're using Yarn:

yarn add @ppwcode/ng-oauth

Run over HTTPS locally

Convert your application to run over https in development by changing the configuration of the angular.json file:

{
    "projects": {
        "my-project": {
            "architect": {
                "serve": {
                    "configurations": {
                        "development": {
                            "port": 443,
                            "ssl": true
                        }
                    }
                }
            }
        }
    }
}

Add to your application module

To add the module to your application, call the .forRoot method when importing in your root application module. By adding the PpwcodeOAuthModule to your application module, this will automatically add the TokenInterceptor.

import { PpwcodeOAuthModule } from '@ppwcode/ng-oauth';

@NgModule({
    imports: [
        PpwcodeOAuthModule.forRoot([/** prefixes of urls to send token to */])
    ]
})

In the .forRoot call, specify an array of prefixes for urls to send the token to.

Configure OAuth

The OAuth services used internally require some configuration parameters to be able to run the OAuth flow. Pass the configuration in your main AppComponent:

import { OAuthService } from '@ppwcode/ng-oauth';

export class AppComponent {
    constructor(private readonly oAuthService: OAuthService) {
        this.configureOAuth();
    }

    private configureOAuth(): void {
        this.oAuthService.configureOAuth({
            issuer: '',
            redirectUri: '',
            clientId: '',
            resource: '',
            responseType: '',
            scope: ''
        });
    }
}

Add the guard

Add the OAuthAuthenticatedGuard to the routes that you want to be accessible by users that are authenticated:

import { Routes } from '@angular/router';

const routes: Routes = [
    {
        path: 'awesome',
        component: MyAwesomeComponent,
        canActivate: [OAuthAuthenticatedGuard]
    }
];

This can even be applied on lazy loaded modules:

import { OAuthAuthenticatedGuard } from '@ppwcode/ng-oauth';

const routes: Routes = [
    {
        path: 'children',
        loadChildren: () => import('./children/children.module').then((m) => m.ChildrenModule),
        canActivate: [OAuthAuthenticatedGuard]
    }
];

Getting the claims of the authenticated user

The OAuthService.getIdentityClaims function will give you the user claims or null if the user is not authenticated.

Because the claims can have any structure, you have to provide type safety yourself by leveraging the generic of the function and make the interface extend Record<string, unknown>.

import { OAuthService } from '@ppwcode/ng-oauth';

export interface UserClaims extends Record<string, unknown> {
    unique_name: string;
    upn: string;
}

export class MyComponent {
    userClaims!: UserClaims | null;

    constructor(private readonly oAuthService: OAuthService) {}

    ngOnInit() {
        this.userClaims = this.oAuthService.getIdentityClaims<UserClaims>();
    }
}

This will not limit the claims that are returned. Claims that have not been defined in the type are also returned.

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npm i @ppwcode/ng-oauth

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2.0.0

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Collaborators

  • maasoppw
  • jandppw
  • glenstaesppw
  • davyparys
  • apeeters