BAEL-7380 : ul (CONFIGURATION)

OAuth2 BFF with spring-addons
This commit is contained in:
ch4mpy 2024-02-10 03:21:58 -10:00
parent 6ada5de93e
commit db46099bce
96 changed files with 25925 additions and 0 deletions

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**/*.pem
**/*.crt
**/.env.*
**/target/
**/build/
**/.metadata
**/*.project
**/*.settings
**/*.classpath
**/*.factorypath

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# Editor configuration, see https://editorconfig.org
root = true
[*]
charset = utf-8
indent_style = space
indent_size = 2
insert_final_newline = true
trim_trailing_whitespace = true
[*.ts]
quote_type = single
[*.md]
max_line_length = off
trim_trailing_whitespace = false

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# See http://help.github.com/ignore-files/ for more about ignoring files.
# Compiled output
/dist
/tmp
/out-tsc
/bazel-out
# Node
/node_modules
npm-debug.log
yarn-error.log
# IDEs and editors
.idea/
.project
.classpath
.c9/
*.launch
.settings/
*.sublime-workspace
# Visual Studio Code
.vscode/*
!.vscode/settings.json
!.vscode/tasks.json
!.vscode/launch.json
!.vscode/extensions.json
.history/*
# Miscellaneous
/.angular/cache
.sass-cache/
/connect.lock
/coverage
/libpeerconnection.log
testem.log
/typings
# System files
.DS_Store
Thumbs.db

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{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
"angular-ui": {
"projectType": "application",
"schematics": {
"@schematics/angular:component": {
"style": "scss"
}
},
"root": "",
"sourceRoot": "src",
"prefix": "app",
"architect": {
"build": {
"builder": "@angular-devkit/build-angular:application",
"options": {
"baseHref": "/angular-ui/",
"outputPath": "dist/angular-ui",
"index": "src/index.html",
"browser": "src/main.ts",
"polyfills": [
"zone.js"
],
"tsConfig": "tsconfig.app.json",
"inlineStyleLanguage": "scss",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"src/styles.scss"
],
"scripts": []
},
"configurations": {
"production": {
"budgets": [
{
"type": "initial",
"maximumWarning": "500kb",
"maximumError": "1mb"
},
{
"type": "anyComponentStyle",
"maximumWarning": "2kb",
"maximumError": "4kb"
}
],
"outputHashing": "all"
},
"development": {
"optimization": false,
"extractLicenses": false,
"sourceMap": true
}
},
"defaultConfiguration": "production"
},
"serve": {
"builder": "@angular-devkit/build-angular:dev-server",
"configurations": {
"production": {
"buildTarget": "angular-ui:build:production"
},
"development": {
"buildTarget": "angular-ui:build:development"
},
"local": {
"buildTarget": "angular-ui:build:development",
"host": "0.0.0.0",
"port": 4201
}
},
"defaultConfiguration": "development"
},
"extract-i18n": {
"builder": "@angular-devkit/build-angular:extract-i18n",
"options": {
"buildTarget": "angular-ui:build"
}
},
"test": {
"builder": "@angular-devkit/build-angular:karma",
"options": {
"polyfills": [
"zone.js",
"zone.js/testing"
],
"tsConfig": "tsconfig.spec.json",
"inlineStyleLanguage": "scss",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"src/styles.scss"
],
"scripts": []
}
}
}
}
},
"cli": {
"analytics": "23e97199-7e93-4604-8730-91fe13971aa4"
}
}

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{
"name": "angular-ui",
"version": "0.0.0",
"scripts": {
"ng": "ng",
"start": "ng serve -c local",
"build": "ng build",
"watch": "ng build --watch --configuration development",
"test": "ng test"
},
"private": true,
"dependencies": {
"@angular/animations": "^17.0.0",
"@angular/common": "^17.0.0",
"@angular/compiler": "^17.0.0",
"@angular/core": "^17.0.0",
"@angular/forms": "^17.0.0",
"@angular/platform-browser": "^17.0.0",
"@angular/platform-browser-dynamic": "^17.0.0",
"@angular/router": "^17.0.0",
"rxjs": "~7.8.0",
"tslib": "^2.3.0",
"zone.js": "~0.14.2"
},
"devDependencies": {
"@angular-devkit/build-angular": "^17.0.10",
"@angular/cli": "^17.0.10",
"@angular/compiler-cli": "^17.0.0",
"@types/jasmine": "~5.1.0",
"jasmine-core": "~5.1.0",
"karma": "~6.4.0",
"karma-chrome-launcher": "~3.2.0",
"karma-coverage": "~2.2.0",
"karma-jasmine": "~5.1.0",
"karma-jasmine-html-reporter": "~2.1.0",
"typescript": "~5.2.2"
}
}

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import { Component } from '@angular/core';
import { NavigationComponent } from './navigation.component';
@Component({
selector: 'app-about',
standalone: true,
imports: [NavigationComponent],
template: `<app-navigation
[destination]="['']"
label="HOME"
></app-navigation>
<p>
This application is a show-case for an Angular app consuming a REST API
through an OAuth2 BFF.
</p>`,
styles: ``,
})
export class AboutView {}

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import { CommonModule } from '@angular/common';
import { HttpClientModule } from '@angular/common/http';
import { Component } from '@angular/core';
import { RouterOutlet } from '@angular/router';
import { AuthenticationComponent } from './auth/authentication.component';
@Component({
selector: 'app-root',
standalone: true,
imports: [
CommonModule,
RouterOutlet,
HttpClientModule,
AuthenticationComponent,
],
template: `<div style="display: flex;">
<div style="margin: auto;"></div>
<h1>Angular UI</h1>
<div style="margin: auto;"></div>
<app-authentication style="margin: auto 1em;"></app-authentication>
</div>
<div>
<router-outlet></router-outlet>
</div>`,
styles: [],
})
export class AppComponent {}

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import { ApplicationConfig } from '@angular/core';
import { provideRouter } from '@angular/router';
import { provideHttpClient } from '@angular/common/http';
import { routes } from './app.routes';
export const appConfig: ApplicationConfig = {
providers: [provideRouter(routes), provideHttpClient()],
};
export const reverseProxyUri = 'http://localhost:7080';
export const baseUri = `${reverseProxyUri}/angular-ui/`;

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import { Routes } from '@angular/router';
import { AboutView } from './about.view';
import { HomeView } from './home.view';
export const routes: Routes = [
{ path: '', component: HomeView },
{ path: 'about', component: AboutView },
{ path: '**', redirectTo: '/' },
];

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import { CommonModule } from '@angular/common';
import { Component } from '@angular/core';
import { FormControl, ReactiveFormsModule, Validators } from '@angular/forms';
import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
import { Router } from '@angular/router';
import { baseUri, reverseProxyUri } from '../app.config';
import { UserService } from './user.service';
import { LoginComponent } from './login.component';
import { LogoutComponent } from './logout.component';
@Component({
selector: 'app-authentication',
standalone: true,
imports: [CommonModule, ReactiveFormsModule, LoginComponent, LogoutComponent],
template: `<span>
<app-login *ngIf="!isAuthenticated"></app-login>
<app-logout *ngIf="isAuthenticated"></app-logout>
</span>`,
styles: ``,
})
export class AuthenticationComponent {
constructor(private user: UserService) {}
get isAuthenticated(): boolean {
return this.user.current.isAuthenticated;
}
}

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import { HttpClient } from '@angular/common/http';
import { Component } from '@angular/core';
import { FormControl, ReactiveFormsModule, Validators } from '@angular/forms';
import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
import { Observable, map } from 'rxjs';
import { UserService } from './user.service';
import { baseUri } from '../app.config';
import { Router } from '@angular/router';
import { CommonModule } from '@angular/common';
enum LoginExperience {
IFRAME,
DEFAULT,
}
interface LoginOptionDto {
label: string;
loginUri: string;
isSameAuthority: boolean;
}
function loginOptions(http: HttpClient): Observable<Array<LoginOptionDto>> {
return http
.get('/bff/login-options')
.pipe(map((dto: any) => dto as LoginOptionDto[]));
}
@Component({
selector: 'app-login',
standalone: true,
imports: [CommonModule, ReactiveFormsModule],
template: `<span>
<select *ngIf="loginExperiences.length > 1" [formControl]="selectedLoginExperience">
<option *ngFor="let le of loginExperiences">
{{ loginExperienceLabel(le) }}
</option>
</select>
<button (click)="login()" [disabled]="!isLoginEnabled">Login</button>
</span>
<div
class="modal-overlay"
*ngIf="isLoginModalDisplayed && !isAuthenticated"
(click)="isLoginModalDisplayed = false"
>
<div class="modal">
<iframe
[src]="iframeSrc"
frameborder="0"
(load)="onIframeLoad($event)"
></iframe>
<button class="close-button" (click)="isLoginModalDisplayed = false">
Discard
</button>
</div>
</div>`,
styles: `.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
}
.modal {
background-color: #fff;
padding: 20px;
border-radius: 5px;
position: relative;
width: 100%;
max-width: 800px;
}
.modal iframe {
width: 100%;
height: 600px;
border: none;
}`,
})
export class LoginComponent {
isLoginModalDisplayed = false;
iframeSrc?: SafeUrl;
loginExperiences: LoginExperience[] = [];
selectedLoginExperience = new FormControl<LoginExperience | null>(null, [
Validators.required,
]);
private loginUri?: string;
constructor(
http: HttpClient,
private user: UserService,
private router: Router,
private sanitizer: DomSanitizer
) {
loginOptions(http).subscribe((opts) => {
if (opts.length) {
this.loginUri = opts[0].loginUri;
if (opts[0].isSameAuthority) {
this.loginExperiences.push(LoginExperience.IFRAME);
}
this.loginExperiences.push(LoginExperience.DEFAULT);
this.selectedLoginExperience.patchValue(this.loginExperiences[0]);
}
});
}
get isLoginEnabled(): boolean {
return (
this.selectedLoginExperience.valid && !this.user.current.isAuthenticated
);
}
get isAuthenticated(): boolean {
return this.user.current.isAuthenticated;
}
login() {
if (!this.loginUri) {
return;
}
const url = new URL(this.loginUri);
url.searchParams.append(
'post_login_success_uri',
`${baseUri}${this.router.url}`
);
const loginUrl = url.toString();
if (this.selectedLoginExperience.value === LoginExperience.IFRAME) {
this.iframeSrc = this.sanitizer.bypassSecurityTrustResourceUrl(loginUrl);
this.isLoginModalDisplayed = true;
} else {
window.location.href = loginUrl;
}
}
onIframeLoad(event: any) {
if (!!event.currentTarget.src) {
this.user.refresh();
this.isLoginModalDisplayed = !this.user.current.isAuthenticated;
}
}
loginExperienceLabel(le: LoginExperience) {
return LoginExperience[le].toLowerCase()
}
}

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import { Component } from '@angular/core';
import { UserService } from './user.service';
import { lastValueFrom } from 'rxjs';
import { HttpClient } from '@angular/common/http';
import { baseUri } from '../app.config';
@Component({
selector: 'app-logout',
standalone: true,
imports: [],
template: `
<button (click)="logout()">Logout</button>
`,
styles: ``
})
export class LogoutComponent {
constructor(private http: HttpClient, private user: UserService) {}
logout() {
lastValueFrom(
this.http.post('/bff/logout', null, {
headers: {
'X-POST-LOGOUT-SUCCESS-URI': baseUri,
},
observe: 'response',
})
)
.then((resp) => {
const logoutUri = resp.headers.get('Location');
if (!!logoutUri) {
window.location.href = logoutUri;
}
})
.finally(() => {
this.user.refresh();
});
}
}

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import { HttpClient } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { BehaviorSubject, Observable, Subscription, interval } from 'rxjs';
interface UserinfoDto {
username: string;
email: string;
roles: string[];
exp: number;
}
export class User {
static readonly ANONYMOUS = new User('', '', []);
constructor(
readonly name: string,
readonly email: string,
readonly roles: string[]
) {}
get isAuthenticated(): boolean {
return !!this.name;
}
hasAnyRole(...roles: string[]): boolean {
for (const r of roles) {
if (this.roles.includes(r)) {
return true;
}
}
return false;
}
}
@Injectable({
providedIn: 'root',
})
export class UserService {
private user$ = new BehaviorSubject<User>(User.ANONYMOUS);
private refreshSub?: Subscription;
constructor(private http: HttpClient) {
this.refresh();
}
refresh(): void {
this.refreshSub?.unsubscribe();
this.http.get('/bff/api/me').subscribe({
next: (dto: any) => {
const user = dto as UserinfoDto;
if (
user.username !== this.user$.value.name ||
user.email !== this.user$.value.email ||
(user.roles || []).toString() !== this.user$.value.roles.toString()
) {
this.user$.next(
user.username
? new User(
user.username || '',
user.email || '',
user.roles || []
)
: User.ANONYMOUS
);
}
if (!!user.exp) {
const now = Date.now();
const delay = (1000 * user.exp - now) * 0.8;
if (delay > 2000) {
this.refreshSub = interval(delay).subscribe(() => this.refresh());
}
}
},
error: (error) => {
console.warn(error);
this.user$.next(User.ANONYMOUS);
},
});
}
get valueChanges(): Observable<User> {
return this.user$;
}
get current(): User {
return this.user$.value;
}
}

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import { Component } from '@angular/core';
import { Subscription } from 'rxjs';
import { NavigationComponent } from './navigation.component';
import { User, UserService } from './auth/user.service';
@Component({
selector: 'app-home',
standalone: true,
imports: [NavigationComponent],
template: `<app-navigation
[destination]="['about']"
label="About"
></app-navigation>
<p>{{ message }}</p>`,
styles: [],
})
export class HomeView {
message = '';
private userSubscription?: Subscription;
constructor(user: UserService) {
this.userSubscription = user.valueChanges.subscribe((u) => {
this.message = u.isAuthenticated
? `Hi ${u.name}, you are granted with ${HomeView.rolesStr(u)}.`
: 'You are not authenticated.';
});
}
static rolesStr(user: User) {
if(!user?.roles?.length) {
return '[]'
}
return `["${user.roles.join('", "')}"]`
}
ngOnDestroy() {
this.userSubscription?.unsubscribe();
}
}

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import { Component, Input } from '@angular/core';
import { Router } from '@angular/router';
import { Subscription } from 'rxjs';
@Component({
selector: 'app-navigation',
standalone: true,
imports: [],
template: `<button (click)="navigate()">{{ label }}</button>`,
styles: ``,
})
export class NavigationComponent {
@Input()
label!: string;
@Input()
destination!: string[];
private userSubscription?: Subscription;
constructor(private router: Router) {}
ngOnDestroy() {
this.userSubscription?.unsubscribe();
}
navigate() {
this.router.navigate(this.destination);
}
}

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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>AngularUi</title>
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="/favicon.ico">
</head>
<body>
<app-root></app-root>
</body>
</html>

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import { bootstrapApplication } from '@angular/platform-browser';
import { appConfig } from './app/app.config';
import { AppComponent } from './app/app.component';
bootstrapApplication(AppComponent, appConfig)
.catch((err) => console.error(err));

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/* You can add global styles to this file, and also import other style files */

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/* To learn more about this file see: https://angular.io/config/tsconfig. */
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/app",
"types": []
},
"files": [
"src/main.ts"
],
"include": [
"src/**/*.d.ts"
]
}

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/* To learn more about this file see: https://angular.io/config/tsconfig. */
{
"compileOnSave": false,
"compilerOptions": {
"outDir": "./dist/out-tsc",
"forceConsistentCasingInFileNames": true,
"strict": true,
"noImplicitOverride": true,
"noPropertyAccessFromIndexSignature": true,
"noImplicitReturns": true,
"noFallthroughCasesInSwitch": true,
"skipLibCheck": true,
"esModuleInterop": true,
"sourceMap": true,
"declaration": false,
"experimentalDecorators": true,
"moduleResolution": "node",
"importHelpers": true,
"target": "ES2022",
"module": "ES2022",
"useDefineForClassFields": false,
"lib": [
"ES2022",
"dom"
]
},
"angularCompilerOptions": {
"enableI18nLegacyMessageIdFormat": false,
"strictInjectionParameters": true,
"strictInputAccessModifiers": true,
"strictTemplates": true
}
}

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/* To learn more about this file see: https://angular.io/config/tsconfig. */
{
"extends": "./tsconfig.json",
"compilerOptions": {
"outDir": "./out-tsc/spec",
"types": [
"jasmine"
]
},
"include": [
"src/**/*.spec.ts",
"src/**/*.d.ts"
]
}

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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

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<?xml version="1.0" encoding="UTF-8"?>
<pmd>
<useProjectRuleSet>true</useProjectRuleSet>
<ruleSetFile>D:\workspaces\baeldung\tutorials\spring-security-modules\spring-security-oauth2-bff\backend\bff\.pmdruleset.xml</ruleSetFile>
<includeDerivedFiles>false</includeDerivedFiles>
<violationsAsErrors>true</violationsAsErrors>
<fullBuildEnabled>true</fullBuildEnabled>
</pmd>

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<?xml version="1.0" encoding="UTF-8"?>
<ruleset xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
name="M2Eclipse PMD RuleSet"
xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
<description>M2Eclipse PMD RuleSet</description>
<exclude-pattern>.*D:/workspaces/baeldung/tutorials/spring-security-modules/spring-security-oauth2-bff/backend/bff/target.*</exclude-pattern>
<exclude-pattern>.*D:/workspaces/baeldung/tutorials/spring-security-modules/spring-security-oauth2-bff/backend/bff/target/generated-sources.*</exclude-pattern>
</ruleset>

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung.bff</groupId>
<artifactId>backend-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<artifactId>bff</artifactId>
<name>BFF</name>
<description>Backend For Frontend for the OAuth2 BFF article</description>
<properties>
<tutorialsproject.basedir>../../../..</tutorialsproject.basedir>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-oauth2-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<dependency>
<groupId>com.c4-soft.springaddons</groupId>
<artifactId>spring-addons-starter-oidc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.c4-soft.springaddons</groupId>
<artifactId>spring-addons-starter-oidc-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.graalvm.buildtools</groupId>
<artifactId>native-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>

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package com.baeldung.bff;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class BffApplication {
public static void main(String[] args) {
SpringApplication.run(BffApplication.class, args);
}
}

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package com.baeldung.bff;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.Objects;
import org.springframework.boot.autoconfigure.security.oauth2.client.OAuth2ClientProperties;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import com.c4_soft.springaddons.security.oidc.starter.properties.SpringAddonsOidcProperties;
import jakarta.validation.constraints.NotEmpty;
import reactor.core.publisher.Mono;
@RestController
public class LoginOptionsController {
private final List<LoginOptionDto> loginOptions;
public LoginOptionsController(OAuth2ClientProperties clientProps, SpringAddonsOidcProperties addonsProperties) {
final var clientAuthority = addonsProperties.getClient()
.getClientUri()
.getAuthority();
this.loginOptions = clientProps.getRegistration()
.entrySet()
.stream()
.filter(e -> "authorization_code".equals(e.getValue()
.getAuthorizationGrantType()))
.map(e -> {
final var label = e.getValue()
.getProvider();
final var loginUri = "%s/oauth2/authorization/%s".formatted(addonsProperties.getClient()
.getClientUri(), e.getKey());
final var providerId = clientProps.getRegistration()
.get(e.getKey())
.getProvider();
final var providerIssuerAuthority = URI.create(clientProps.getProvider()
.get(providerId)
.getIssuerUri())
.getAuthority();
return new LoginOptionDto(label, loginUri, Objects.equals(clientAuthority, providerIssuerAuthority));
})
.toList();
}
@GetMapping(path = "/login-options", produces = MediaType.APPLICATION_JSON_VALUE)
public Mono<List<LoginOptionDto>> getLoginOptions() throws URISyntaxException {
return Mono.just(this.loginOptions);
}
public static record LoginOptionDto(@NotEmpty String label, @NotEmpty String loginUri, boolean isSameAuthority) {
}
}

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{"properties": [{
"name": "scheme",
"type": "java.lang.String",
"description": "Scheme to use for backend services"
},{
"name": "hostname",
"type": "java.lang.String",
"description": "Name of the host on which the backend services run"
},{
"name": "reverse-proxy-port",
"type": "java.lang.Integer",
"description": "Port used by the reverse proxy"
},{
"name": "reverse-proxy-uri",
"type": "java.net.URI",
"description": "Public URI for the reverse proxy"
},{
"name": "angular-port",
"type": "java.lang.Integer",
"description": "Port from which the Angular app is served"
},{
"name": "angular-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves Angular assets"
},{
"name": "angular-uri",
"type": "java.net.URI",
"description": "Internal URI to Angular assets"
},{
"name": "vue-port",
"type": "java.lang.Integer",
"description": "Port from which the Vue app is served"
},{
"name": "vue-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves Vue assets"
},{
"name": "vue-uri",
"type": "java.net.URI",
"description": "Internal URI to Vue assets"
},{
"name": "react-port",
"type": "java.lang.Integer",
"description": "Port from which the React app is served"
},{
"name": "react-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves React assets"
},{
"name": "react-uri",
"type": "java.net.URI",
"description": "Internal URI to React assets"
},{
"name": "authorization-server-port",
"type": "java.lang.Integer",
"description": "Port on which the authorization server listens"
},{
"name": "authorization-server-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to the authorization server"
},{
"name": "authorization-server-uri",
"type": "java.net.URI",
"description": "Internal base URI for the authorization server"
},{
"name": "issuer",
"type": "java.net.URI",
"description": "Exact value of the issuer claim in tokens"
},{
"name": "client-id",
"type": "java.lang.String",
"description": "OAuth2 client-id"
},{
"name": "client-secret",
"type": "java.lang.String",
"description": "OAuth2 client-secret"
},{
"name": "username-claim-json-path",
"type": "java.lang.String",
"description": "JSON path to the claim to use as user name"
},{
"name": "authorities-json-path",
"type": "java.lang.String",
"description": "JSON path to the claim to use as Spring authorities source"
},{
"name": "audience",
"type": "java.lang.String",
"description": "Some OpenID providers (Auth0) require the client to provide the 'audience' he's going to use access token for"
},{
"name": "bff-port",
"type": "java.lang.Integer",
"description": "Port on which the BFF listens"
},{
"name": "bff-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route REST requests to the BFF"
},{
"name": "bff-uri",
"type": "java.net.URI",
"description": "Internal URI to the BFF"
},{
"name": "resource-server-port",
"type": "java.lang.Integer",
"description": "Port on which the stateless REST API listens"
}]}

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# Custom properties to ease configuration overrides
# on command-line or IDE launch configurations
scheme: http
hostname: localhost
reverse-proxy-port: 7080
reverse-proxy-uri: ${scheme}://${hostname}:${reverse-proxy-port}
authorization-server-prefix: /auth
issuer: ${reverse-proxy-uri}${authorization-server-prefix}/realms/baeldung
client-id: baeldung-confidential
client-secret: change-me
username-claim-json-path: $.preferred_username
authorities-json-path: $.realm_access.roles
bff-port: 7081
bff-prefix: /bff
resource-server-port: 7084
audience:
server:
port: ${bff-port}
ssl:
enabled: false
spring:
cloud:
gateway:
routes:
- id: bff
uri: ${scheme}://${hostname}:${resource-server-port}
predicates:
- Path=/api/**
filters:
- DedupeResponseHeader=Access-Control-Allow-Credentials Access-Control-Allow-Origin
- TokenRelay=
- SaveSession
- StripPrefix=1
security:
oauth2:
client:
provider:
baeldung:
issuer-uri: ${issuer}
registration:
baeldung:
provider: baeldung
authorization-grant-type: authorization_code
client-id: ${client-id}
client-secret: ${client-secret}
scope: openid,profile,email,offline_access
com:
c4-soft:
springaddons:
oidc:
ops:
- iss: ${issuer}
authorities:
- path: ${authorities-json-path}
aud: ${audience}
# SecurityFilterChain with oauth2Login() (sessions and CSRF protection enabled)
client:
client-uri: ${reverse-proxy-uri}${bff-prefix}
security-matchers:
- /api/**
- /login/**
- /oauth2/**
- /logout
permit-all:
- /api/**
- /login/**
- /oauth2/**
csrf: cookie-accessible-from-js
oauth2-redirections:
rp-initiated-logout: ACCEPTED
back-channel-logout:
enabled: true
# SecurityFilterChain with oauth2ResourceServer() (sessions and CSRF protection disabled)
resourceserver:
permit-all:
- /login-options
- /error
- /v3/api-docs/**
- /swagger-ui/**
- /actuator/health/readiness
- /actuator/health/liveness
management:
endpoint:
health:
probes:
enabled: true
endpoints:
web:
exposure:
include: '*'
health:
livenessstate:
enabled: true
readinessstate:
enabled: true
logging:
level:
root: INFO
org:
springframework:
boot: INFO
security: INFO
web: INFO
---
spring:
config:
activate:
on-profile: ssl
server:
ssl:
enabled: true
scheme: https
---
spring:
config:
activate:
on-profile: cognito
issuer: https://cognito-idp.us-west-2.amazonaws.com/us-west-2_RzhmgLwjl
client-id: 12olioff63qklfe9nio746es9f
client-secret: change-me
username-claim-json-path: username
authorities-json-path: $.cognito:groups
com:
c4-soft:
springaddons:
oidc:
client:
oauth2-logout:
baeldung:
uri: https://spring-addons.auth.us-west-2.amazoncognito.com/logout
client-id-request-param: client_id
post-logout-uri-request-param: logout_uri
---
spring:
config:
activate:
on-profile: auth0
issuer: https://dev-ch4mpy.eu.auth0.com/
client-id: yWgZDRJLAksXta8BoudYfkF5kus2zv2Q
client-secret: change-me
username-claim-json-path: $['https://c4-soft.com/user']['name']
authorities-json-path: $['https://c4-soft.com/user']['roles']
audience: bff.baeldung.com
com:
c4-soft:
springaddons:
oidc:
client:
authorization-request-params:
baeldung:
- name: audience
value: ${audience}
oauth2-logout:
baeldung:
uri: ${issuer}v2/logout
client-id-request-param: client_id
post-logout-uri-request-param: returnTo

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#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Apache Maven Wrapper startup batch script, version 3.2.0
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /usr/local/etc/mavenrc ] ; then
. /usr/local/etc/mavenrc
fi
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "$(uname)" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
JAVA_HOME="$(/usr/libexec/java_home)"; export JAVA_HOME
else
JAVA_HOME="/Library/Java/Home"; export JAVA_HOME
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=$(java-config --jre-home)
fi
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --unix "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --unix "$CLASSPATH")
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$JAVA_HOME" ] && [ -d "$JAVA_HOME" ] &&
JAVA_HOME="$(cd "$JAVA_HOME" || (echo "cannot cd into $JAVA_HOME."; exit 1); pwd)"
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="$(which javac)"
if [ -n "$javaExecutable" ] && ! [ "$(expr "\"$javaExecutable\"" : '\([^ ]*\)')" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=$(which readlink)
if [ ! "$(expr "$readLink" : '\([^ ]*\)')" = "no" ]; then
if $darwin ; then
javaHome="$(dirname "\"$javaExecutable\"")"
javaExecutable="$(cd "\"$javaHome\"" && pwd -P)/javac"
else
javaExecutable="$(readlink -f "\"$javaExecutable\"")"
fi
javaHome="$(dirname "\"$javaExecutable\"")"
javaHome=$(expr "$javaHome" : '\(.*\)/bin')
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="$(\unset -f command 2>/dev/null; \command -v java)"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=$(cd "$wdir/.." || exit 1; pwd)
fi
# end of workaround
done
printf '%s' "$(cd "$basedir" || exit 1; pwd)"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
# Remove \r in case we run on Windows within Git Bash
# and check out the repository with auto CRLF management
# enabled. Otherwise, we may read lines that are delimited with
# \r\n and produce $'-Xarg\r' rather than -Xarg due to word
# splitting rules.
tr -s '\r\n' ' ' < "$1"
fi
}
log() {
if [ "$MVNW_VERBOSE" = true ]; then
printf '%s\n' "$1"
fi
}
BASE_DIR=$(find_maven_basedir "$(dirname "$0")")
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}; export MAVEN_PROJECTBASEDIR
log "$MAVEN_PROJECTBASEDIR"
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
wrapperJarPath="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar"
if [ -r "$wrapperJarPath" ]; then
log "Found $wrapperJarPath"
else
log "Couldn't find $wrapperJarPath, downloading it ..."
if [ -n "$MVNW_REPOURL" ]; then
wrapperUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
else
wrapperUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
fi
while IFS="=" read -r key value; do
# Remove '\r' from value to allow usage on windows as IFS does not consider '\r' as a separator ( considers space, tab, new line ('\n'), and custom '=' )
safeValue=$(echo "$value" | tr -d '\r')
case "$key" in (wrapperUrl) wrapperUrl="$safeValue"; break ;;
esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
log "Downloading from: $wrapperUrl"
if $cygwin; then
wrapperJarPath=$(cygpath --path --windows "$wrapperJarPath")
fi
if command -v wget > /dev/null; then
log "Found wget ... using wget"
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--quiet"
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
wget $QUIET "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
else
wget $QUIET --http-user="$MVNW_USERNAME" --http-password="$MVNW_PASSWORD" "$wrapperUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
fi
elif command -v curl > /dev/null; then
log "Found curl ... using curl"
[ "$MVNW_VERBOSE" = true ] && QUIET="" || QUIET="--silent"
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
curl $QUIET -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
else
curl $QUIET --user "$MVNW_USERNAME:$MVNW_PASSWORD" -o "$wrapperJarPath" "$wrapperUrl" -f -L || rm -f "$wrapperJarPath"
fi
else
log "Falling back to using Java to download"
javaSource="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.java"
javaClass="$MAVEN_PROJECTBASEDIR/.mvn/wrapper/MavenWrapperDownloader.class"
# For Cygwin, switch paths to Windows format before running javac
if $cygwin; then
javaSource=$(cygpath --path --windows "$javaSource")
javaClass=$(cygpath --path --windows "$javaClass")
fi
if [ -e "$javaSource" ]; then
if [ ! -e "$javaClass" ]; then
log " - Compiling MavenWrapperDownloader.java ..."
("$JAVA_HOME/bin/javac" "$javaSource")
fi
if [ -e "$javaClass" ]; then
log " - Running MavenWrapperDownloader.java ..."
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$wrapperUrl" "$wrapperJarPath") || rm -f "$wrapperJarPath"
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
# If specified, validate the SHA-256 sum of the Maven wrapper jar file
wrapperSha256Sum=""
while IFS="=" read -r key value; do
case "$key" in (wrapperSha256Sum) wrapperSha256Sum=$value; break ;;
esac
done < "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.properties"
if [ -n "$wrapperSha256Sum" ]; then
wrapperSha256Result=false
if command -v sha256sum > /dev/null; then
if echo "$wrapperSha256Sum $wrapperJarPath" | sha256sum -c > /dev/null 2>&1; then
wrapperSha256Result=true
fi
elif command -v shasum > /dev/null; then
if echo "$wrapperSha256Sum $wrapperJarPath" | shasum -a 256 -c > /dev/null 2>&1; then
wrapperSha256Result=true
fi
else
echo "Checksum validation was requested but neither 'sha256sum' or 'shasum' are available."
echo "Please install either command, or disable validation by removing 'wrapperSha256Sum' from your maven-wrapper.properties."
exit 1
fi
if [ $wrapperSha256Result = false ]; then
echo "Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised." >&2
echo "Investigate or delete $wrapperJarPath to attempt a clean download." >&2
echo "If you updated your Maven version, you need to update the specified wrapperSha256Sum property." >&2
exit 1
fi
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=$(cygpath --path --windows "$JAVA_HOME")
[ -n "$CLASSPATH" ] &&
CLASSPATH=$(cygpath --path --windows "$CLASSPATH")
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=$(cygpath --path --windows "$MAVEN_PROJECTBASEDIR")
fi
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $*"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
# shellcheck disable=SC2086 # safe args
exec "$JAVACMD" \
$MAVEN_OPTS \
$MAVEN_DEBUG_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

View File

@ -0,0 +1,205 @@
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Apache Maven Wrapper startup batch script, version 3.2.0
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set WRAPPER_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET WRAPPER_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET WRAPPER_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %WRAPPER_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%WRAPPER_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM If specified, validate the SHA-256 sum of the Maven wrapper jar file
SET WRAPPER_SHA_256_SUM=""
FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperSha256Sum" SET WRAPPER_SHA_256_SUM=%%B
)
IF NOT %WRAPPER_SHA_256_SUM%=="" (
powershell -Command "&{"^
"$hash = (Get-FileHash \"%WRAPPER_JAR%\" -Algorithm SHA256).Hash.ToLower();"^
"If('%WRAPPER_SHA_256_SUM%' -ne $hash){"^
" Write-Output 'Error: Failed to validate Maven wrapper SHA-256, your Maven wrapper might be compromised.';"^
" Write-Output 'Investigate or delete %WRAPPER_JAR% to attempt a clean download.';"^
" Write-Output 'If you updated your Maven version, you need to update the specified wrapperSha256Sum property.';"^
" exit 1;"^
"}"^
"}"
if ERRORLEVEL 1 goto error
)
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% ^
%JVM_CONFIG_MAVEN_PROPS% ^
%MAVEN_OPTS% ^
%MAVEN_DEBUG_OPTS% ^
-classpath %WRAPPER_JAR% ^
"-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
%WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%"=="on" pause
if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
cmd /C exit /B %ERROR_CODE%

View File

@ -0,0 +1,70 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-3</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../../parent-boot-3</relativePath>
</parent>
<groupId>com.baeldung.bff</groupId>
<artifactId>backend-parent</artifactId>
<packaging>pom</packaging>
<description>Parent pom for the backend services in the OAuth2 BFF article</description>
<properties>
<java.version>17</java.version>
<tutorialsproject.basedir>../../..</tutorialsproject.basedir>
<spring-addons.version>7.5.1</spring-addons.version>
<spring-boot.version>3.2.2</spring-boot.version>
<spring-cloud.version>2023.0.0</spring-cloud.version>
</properties>
<modules>
<module>reverse-proxy</module>
<module>bff</module>
<module>resource-server</module>
</modules>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>com.c4-soft.springaddons</groupId>
<artifactId>spring-addons-starter-oidc</artifactId>
<version>${spring-addons.version}</version>
</dependency>
<dependency>
<groupId>com.c4-soft.springaddons</groupId>
<artifactId>spring-addons-starter-oidc-test</artifactId>
<version>${spring-addons.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<systemPropertyVariables>
<testEnvironment>true</testEnvironment>
</systemPropertyVariables>
<argLine>-Dspring.profiles.active=no-ssl</argLine>
</configuration>
</plugin>
</plugins>
</build>
</project>

View File

@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<pmd>
<useProjectRuleSet>true</useProjectRuleSet>
<ruleSetFile>D:\workspaces\baeldung\tutorials\spring-security-modules\spring-security-oauth2-bff\backend\resource-server\.pmdruleset.xml</ruleSetFile>
<includeDerivedFiles>false</includeDerivedFiles>
<violationsAsErrors>true</violationsAsErrors>
<fullBuildEnabled>true</fullBuildEnabled>
</pmd>

View File

@ -0,0 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<ruleset xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
name="M2Eclipse PMD RuleSet"
xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
<description>M2Eclipse PMD RuleSet</description>
<exclude-pattern>.*D:/workspaces/baeldung/tutorials/spring-security-modules/spring-security-oauth2-bff/backend/resource-server/target/generated-sources.*</exclude-pattern>
<exclude-pattern>.*D:/workspaces/baeldung/tutorials/spring-security-modules/spring-security-oauth2-bff/backend/resource-server/target.*</exclude-pattern>
</ruleset>

View File

@ -0,0 +1,86 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung.bff</groupId>
<artifactId>backend-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<artifactId>resource-server</artifactId>
<name>resource-server</name>
<description>Stateless REST API for the OAuth2 BFF article</description>
<properties>
<tutorialsproject.basedir>../../../..</tutorialsproject.basedir>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-oauth2-resource-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.c4-soft.springaddons</groupId>
<artifactId>spring-addons-starter-oidc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.c4-soft.springaddons</groupId>
<artifactId>spring-addons-starter-oidc-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.graalvm.buildtools</groupId>
<artifactId>native-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>

View File

@ -0,0 +1,55 @@
package com.baeldung.bff;
import java.time.Instant;
import java.util.Date;
import java.util.List;
import java.util.Optional;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.oauth2.core.oidc.StandardClaimNames;
import org.springframework.security.oauth2.jwt.JwtClaimNames;
import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class MeController {
@GetMapping("/me")
public UserInfoDto getMe(Authentication auth) {
if (auth instanceof JwtAuthenticationToken jwtAuth) {
final var email = (String) jwtAuth.getTokenAttributes()
.getOrDefault(StandardClaimNames.EMAIL, "");
final var roles = auth.getAuthorities()
.stream()
.map(GrantedAuthority::getAuthority)
.toList();
final var exp = Optional.ofNullable(jwtAuth.getTokenAttributes()
.get(JwtClaimNames.EXP)).map(expClaim -> {
if(expClaim instanceof Long lexp) {
return lexp;
}
if(expClaim instanceof Instant iexp) {
return iexp.getEpochSecond();
}
if(expClaim instanceof Date dexp) {
return dexp.toInstant().getEpochSecond();
}
return Long.MAX_VALUE;
}).orElse(Long.MAX_VALUE);
return new UserInfoDto(auth.getName(), email, roles, exp);
}
return UserInfoDto.ANONYMOUS;
}
/**
* @param username a unique identifier for the resource owner in the token (sub claim by default)
* @param email OpenID email claim
* @param roles Spring authorities resolved for the authentication in the security context
* @param exp seconds from 1970-01-01T00:00:00Z UTC until the specified UTC date/time when the access token expires
*/
public static record UserInfoDto(String username, String email, List<String> roles, Long exp) {
public static final UserInfoDto ANONYMOUS = new UserInfoDto("", "", List.of(), Long.MAX_VALUE);
}
}

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@ -0,0 +1,13 @@
package com.baeldung.bff;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class ResourceServerApplication {
public static void main(String[] args) {
SpringApplication.run(ResourceServerApplication.class, args);
}
}

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@ -0,0 +1,105 @@
{"properties": [{
"name": "scheme",
"type": "java.lang.String",
"description": "Scheme to use for backend services"
},{
"name": "hostname",
"type": "java.lang.String",
"description": "Name of the host on which the backend services run"
},{
"name": "reverse-proxy-port",
"type": "java.lang.Integer",
"description": "Port used by the reverse proxy"
},{
"name": "angular-port",
"type": "java.lang.Integer",
"description": "Port from which the Angular app is served"
},{
"name": "reverse-proxy-uri",
"type": "java.net.URI",
"description": "Public URI for the reverse proxy"
},{
"name": "angular-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves Angular assets"
},{
"name": "angular-uri",
"type": "java.net.URI",
"description": "Internal URI to Angular assets"
},{
"name": "vue-port",
"type": "java.lang.Integer",
"description": "Port from which the Vue app is served"
},{
"name": "vue-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves Vue assets"
},{
"name": "vue-uri",
"type": "java.net.URI",
"description": "Internal URI to Vue assets"
},{
"name": "react-port",
"type": "java.lang.Integer",
"description": "Port from which the React app is served"
},{
"name": "react-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves React assets"
},{
"name": "react-uri",
"type": "java.net.URI",
"description": "Internal URI to React assets"
},{
"name": "authorization-server-port",
"type": "java.lang.Integer",
"description": "Port on which the authorization server listens"
},{
"name": "authorization-server-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to the authorization server"
},{
"name": "authorization-server-uri",
"type": "java.net.URI",
"description": "Internal base URI for the authorization server"
},{
"name": "issuer",
"type": "java.net.URI",
"description": "Exact value of the issuer claim in tokens"
},{
"name": "client-id",
"type": "java.lang.String",
"description": "OAuth2 client-id"
},{
"name": "client-secret",
"type": "java.lang.String",
"description": "OAuth2 client-secret"
},{
"name": "username-claim-json-path",
"type": "java.lang.String",
"description": "JSON path to the claim to use as user name"
},{
"name": "authorities-json-path",
"type": "java.lang.String",
"description": "JSON path to the claim to use as Spring authorities source"
},{
"name": "audience",
"type": "java.lang.String",
"description": "Some OpenID providers (Auth0) require the client to provide the 'audience' he's going to use access token for"
},{
"name": "bff-port",
"type": "java.lang.Integer",
"description": "Port on which the BFF listens"
},{
"name": "bff-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route REST requests to the BFF"
},{
"name": "bff-uri",
"type": "java.net.URI",
"description": "Internal URI to the BFF"
},{
"name": "resource-server-port",
"type": "java.lang.Integer",
"description": "Port on which the stateless REST API listens"
}]}

View File

@ -0,0 +1,86 @@
scheme: http
hostname: localhost
reverse-proxy-port: 7080
reverse-proxy-uri: ${scheme}://${hostname}:${reverse-proxy-port}
authorization-server-prefix: /auth
issuer: ${reverse-proxy-uri}${authorization-server-prefix}/realms/baeldung
username-claim-json-path: $.preferred_username
authorities-json-path: $.realm_access.roles
resource-server-port: 7084
audience:
server:
port: ${resource-server-port}
ssl:
enabled: false
com:
c4-soft:
springaddons:
oidc:
ops:
- iss: ${issuer}
username-claim: ${username-claim-json-path}
authorities:
- path: ${authorities-json-path}
aud: ${audience}
resourceserver:
permit-all:
- /me
- /v3/api-docs/**
- /swagger-ui/**
- /actuator/health/readiness
- /actuator/health/liveness
management:
endpoint:
health:
probes:
enabled: true
endpoints:
web:
exposure:
include: '*'
health:
livenessstate:
enabled: true
readinessstate:
enabled: true
logging:
level:
root: INFO
org:
springframework:
boot: INFO
security: INFO
web: INFO
---
spring:
config:
activate:
on-profile: ssl
server:
ssl:
enabled: true
scheme: https
---
spring:
config:
activate:
on-profile: cognito
issuer: https://cognito-idp.us-west-2.amazonaws.com/us-west-2_RzhmgLwjl
username-claim-json-path: username
authorities-json-path: $.cognito:groups
---
spring:
config:
activate:
on-profile: auth0
issuer: https://dev-ch4mpy.eu.auth0.com/
username-claim-json-path: $['https://c4-soft.com/user']['name']
authorities-json-path: $['https://c4-soft.com/user']['roles']
audience: bff.baeldung.com

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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<pmd>
<useProjectRuleSet>true</useProjectRuleSet>
<ruleSetFile>D:\workspaces\baeldung\tutorials\spring-security-modules\spring-security-oauth2-bff\backend\reverse-proxy\.pmdruleset.xml</ruleSetFile>
<includeDerivedFiles>false</includeDerivedFiles>
<violationsAsErrors>true</violationsAsErrors>
<fullBuildEnabled>true</fullBuildEnabled>
</pmd>

View File

@ -0,0 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<ruleset xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
name="M2Eclipse PMD RuleSet"
xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
<description>M2Eclipse PMD RuleSet</description>
<exclude-pattern>.*D:/workspaces/baeldung/tutorials/spring-security-modules/spring-security-oauth2-bff/backend/reverse-proxy/target.*</exclude-pattern>
<exclude-pattern>.*D:/workspaces/baeldung/tutorials/spring-security-modules/spring-security-oauth2-bff/backend/reverse-proxy/target/generated-sources.*</exclude-pattern>
</ruleset>

View File

@ -0,0 +1,78 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.baeldung.bff</groupId>
<artifactId>backend-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>..</relativePath>
</parent>
<artifactId>reverse-proxy</artifactId>
<name>reverse-proxy</name>
<description>Reverse proxy for the OAuth2 BFF article</description>
<properties>
<tutorialsproject.basedir>../../../..</tutorialsproject.basedir>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.graalvm.buildtools</groupId>
<artifactId>native-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>

View File

@ -0,0 +1,13 @@
package com.baeldung.bff;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class ReverseProxyApplication {
public static void main(String[] args) {
SpringApplication.run(ReverseProxyApplication.class, args);
}
}

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@ -0,0 +1,105 @@
{"properties": [{
"name": "scheme",
"type": "java.lang.String",
"description": "Scheme to use for backend services"
},{
"name": "hostname",
"type": "java.lang.String",
"description": "Name of the host on which the backend services run"
},{
"name": "reverse-proxy-port",
"type": "java.lang.Integer",
"description": "Port used by the reverse proxy"
},{
"name": "angular-port",
"type": "java.lang.Integer",
"description": "Port from which the Angular app is served"
},{
"name": "reverse-proxy-uri",
"type": "java.net.URI",
"description": "Public URI for the reverse proxy"
},{
"name": "angular-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves Angular assets"
},{
"name": "angular-uri",
"type": "java.net.URI",
"description": "Internal URI to Angular assets"
},{
"name": "vue-port",
"type": "java.lang.Integer",
"description": "Port from which the Vue app is served"
},{
"name": "vue-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves Vue assets"
},{
"name": "vue-uri",
"type": "java.net.URI",
"description": "Internal URI to Vue assets"
},{
"name": "react-port",
"type": "java.lang.Integer",
"description": "Port from which the React app is served"
},{
"name": "react-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to whatever serves React assets"
},{
"name": "react-uri",
"type": "java.net.URI",
"description": "Internal URI to React assets"
},{
"name": "authorization-server-port",
"type": "java.lang.Integer",
"description": "Port on which the authorization server listens"
},{
"name": "authorization-server-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route to the authorization server"
},{
"name": "authorization-server-uri",
"type": "java.net.URI",
"description": "Internal base URI for the authorization server"
},{
"name": "issuer",
"type": "java.net.URI",
"description": "Exact value of the issuer claim in tokens"
},{
"name": "client-id",
"type": "java.lang.String",
"description": "OAuth2 client-id"
},{
"name": "client-secret",
"type": "java.lang.String",
"description": "OAuth2 client-secret"
},{
"name": "username-claim-json-path",
"type": "java.lang.String",
"description": "JSON path to the claim to use as user name"
},{
"name": "authorities-json-path",
"type": "java.lang.String",
"description": "JSON path to the claim to use as Spring authorities source"
},{
"name": "audience",
"type": "java.lang.String",
"description": "Some OpenID providers (Auth0) require the client to provide the 'audience' he's going to use access token for"
},{
"name": "bff-port",
"type": "java.lang.Integer",
"description": "Port on which the BFF listens"
},{
"name": "bff-prefix",
"type": "java.lang.String",
"description": "Path-prefix used by the reverse proxy to route REST requests to the BFF"
},{
"name": "bff-uri",
"type": "java.net.URI",
"description": "Internal URI to the BFF"
},{
"name": "resource-server-port",
"type": "java.lang.Integer",
"description": "Port on which the stateless REST API listens"
}]}

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# Custom properties to ease configuration overrides
# on command-line or IDE launch configurations
scheme: http
hostname: localhost
reverse-proxy-port: 7080
angular-port: 4201
angular-prefix: /angular-ui
# Update scheme if you enable SSL in angular.json
angular-uri: http://${hostname}:${angular-port}${angular-prefix}
vue-port: 4202
vue-prefix: /vue-ui
# Update scheme if you enable SSL in vite.config.ts
vue-uri: http://${hostname}:${vue-port}${vue-prefix}
react-port: 4203
react-prefix: /react-ui
react-uri: http://${hostname}:${react-port}${react-prefix}
authorization-server-port: 8080
authorization-server-prefix: /auth
authorization-server-uri: ${scheme}://${hostname}:${authorization-server-port}${authorization-server-prefix}
bff-port: 7081
bff-prefix: /bff
bff-uri: ${scheme}://${hostname}:${bff-port}
server:
port: ${reverse-proxy-port}
ssl:
enabled: false
spring:
cloud:
gateway:
default-filters:
- DedupeResponseHeader=Access-Control-Allow-Credentials Access-Control-Allow-Origin
routes:
# SPAs assets
- id: angular-ui
uri: ${angular-uri}
predicates:
- Path=${angular-prefix}/**
- id: vue-ui
uri: ${vue-uri}
predicates:
- Path=${vue-prefix}/**
- id: react-ui
uri: ${react-uri}
predicates:
- Path=${react-prefix}/**
# Authorization-server
- id: authorization-server
uri: ${authorization-server-uri}
predicates:
- Path=${authorization-server-prefix}/**
# Proxy BFF
- id: bff
uri: ${bff-uri}
predicates:
- Path=${bff-prefix}/**
filters:
- StripPrefix=1
management:
endpoint:
health:
probes:
enabled: true
endpoints:
web:
exposure:
include: '*'
health:
livenessstate:
enabled: true
readinessstate:
enabled: true
logging:
level:
root: INFO
org:
springframework:
boot: INFO
web: INFO
---
spring:
config:
activate:
on-profile: ssl
server:
ssl:
enabled: true
scheme: https
authorization-server-port: 8443
---
spring:
config:
activate:
on-profile: cognito
cloud:
gateway:
routes:
# SPAs assets
- id: angular-ui
uri: ${angular-uri}
predicates:
- Path=${angular-prefix}/**
- id: vue-ui
uri: ${vue-uri}
predicates:
- Path=${vue-prefix}/**
- id: react-ui
uri: ${react-uri}
predicates:
- Path=${react-prefix}/**
# not routing to authorization server here
# Proxy BFF
- id: bff
uri: ${bff-uri}
predicates:
- Path=${bff-prefix}/**
filters:
- StripPrefix=1
---
spring:
config:
activate:
on-profile: auth0
cloud:
gateway:
routes:
# SPAs assets
- id: angular-ui
uri: ${angular-uri}
predicates:
- Path=${angular-prefix}/**
- id: vue-ui
uri: ${vue-uri}
predicates:
- Path=${vue-prefix}/**
- id: react-ui
uri: ${react-uri}
predicates:
- Path=${react-prefix}/**
# not routing to authorization server here
# Proxy BFF
- id: bff
uri: ${bff-uri}
predicates:
- Path=${bff-prefix}/**
filters:
- StripPrefix=1

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KEYCLOAK_ADMIN_PASSWORD=admin

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ssl/
docker-compose-ssl.yaml

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name: keycloak-baeldung-bff
services:
keycloak:
image: quay.io/keycloak/keycloak:latest
command:
- start-dev
ports:
- 8080:8080
environment:
KEYCLOAK_ADMIN: admin
KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD}
KC_HTTP_PORT: 8080
KC_HOSTNAME_URL: http://localhost:7080/auth
KC_HOSTNAME_ADMIN_URL: http://localhost:7080/auth
KC_HTTP_RELATIVE_PATH: /auth
#KC_LOG_LEVEL: DEBUG
container_name: keycloak-baeldung-bff
extra_hosts:
- "host.docker.internal:host-gateway"

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NEXT_PUBLIC_REVERSE_PROXY_URI=http://localhost:7080
NEXT_PUBLIC_BASE_PATH='/react-ui'
NEXT_PUBLIC_BASE_URI=${NEXT_PUBLIC_REVERSE_PROXY_URI}${NEXT_PUBLIC_BASE_PATH}

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{
"extends": "next/core-web-vitals"
}

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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.js
.yarn/install-state.gz
# testing
/coverage
# next.js
/.next/
/out/
# production
/build
# misc
.DS_Store
*.pem
# debug
npm-debug.log*
yarn-debug.log*
yarn-error.log*
# local env files
.env*.local
# vercel
.vercel
# typescript
*.tsbuildinfo
next-env.d.ts
certificates

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"use client";
import Link from "next/link";
export default function About() {
return (
<main className="min-h-screen">
<div className="flex">
<span className="ml-2"></span>
<button>
<Link href="/">Home</Link>
</button>
<span className="m-auto"></span>
<h1>About</h1>
<span className="m-auto"></span>
</div>
<div className="flex flex-col items-center justify-between p-24">
<p>
This application is a show-case for an Angular app consuming a REST
API through an OAuth2 BFF.
</p>
</div>
</main>
);
}

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@tailwind base;
@tailwind components;
@tailwind utilities;
:root {
--foreground-rgb: 0, 0, 0;
--background-start-rgb: 214, 219, 220;
--background-end-rgb: 255, 255, 255;
}
@media (prefers-color-scheme: dark) {
:root {
--foreground-rgb: 255, 255, 255;
--background-start-rgb: 0, 0, 0;
--background-end-rgb: 0, 0, 0;
}
}
body {
color: rgb(var(--foreground-rgb));
background: linear-gradient(
to bottom,
transparent,
rgb(var(--background-end-rgb))
)
rgb(var(--background-start-rgb));
}
@layer utilities {
.text-balance {
text-wrap: balance;
}
}
.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
}
.modal {
background-color: #fff;
padding: 20px;
border-radius: 5px;
position: relative;
width: 100%;
max-width: 800px;
}
.modal iframe {
width: 100%;
height: 600px;
border: none;
}

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"use client";
import { Inter } from "next/font/google";
import { createContext, useContext, useState } from "react";
import "./globals.css";
import Authentication from "./lib/auth/authentication.component";
import { User, UserService } from "./lib/auth/user.service";
const inter = Inter({ subsets: ["latin"] });
export const UserContext = createContext(User.ANONYMOUS);
export function useUserContext() {
return useContext(UserContext);
}
export default function RootLayout({
children,
}: Readonly<{
children: React.ReactNode;
}>) {
const [user, setUser] = useState(User.ANONYMOUS);
const userService = new UserService(user, setUser);
return (
<html lang="en">
<body className={inter.className}>
<UserContext.Provider value={user}>
<div className="flex">
<div className="m-auto"></div>
<h1 className="mt-2">React UI</h1>
<div className="m-auto"></div>
<div className="mt-2">
<Authentication
onLogin={() => userService.refresh(user, setUser)}
></Authentication>
</div>
<div className="mr-3"></div>
</div>
{children}
</UserContext.Provider>
</body>
</html>
);
}

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import { useUserContext } from "@/app/layout";
import { EventHandler } from "react";
import Login from "./login";
import Logout from "./logout";
interface AuthenticationProperties {
onLogin: EventHandler<any>;
}
export default function Authentication({ onLogin }: AuthenticationProperties) {
const user = useUserContext();
return (
<span>
{!user.isAuthenticated ? (
<Login onLogin={onLogin}></Login>
) : (
<Logout></Logout>
)}
</span>
);
}

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"use client";
import { useUserContext } from "@/app/layout";
import axios from "axios";
import { usePathname } from "next/navigation";
import { EventHandler, FormEvent, useEffect, useRef, useState } from "react";
enum LoginExperience {
DEFAULT,
IFRAME,
}
interface LoginOptionDto {
label: string;
loginUri: string;
isSameAuthority: boolean;
}
async function getLoginOptions(): Promise<Array<LoginOptionDto>> {
const response = await axios.get<Array<LoginOptionDto>>("/bff/login-options");
return response.data;
}
interface LoginProperties {
onLogin: EventHandler<any>;
}
export default function Login({ onLogin }: LoginProperties) {
const user = useUserContext();
const [loginUri, setLoginUri] = useState("");
const [selectedLoginExperience, setSelectedLoginExperience] = useState(
LoginExperience.DEFAULT
);
const [isLoginModalDisplayed, setIsLoginModalDisplayed] = useState(false);
const [isIframeLoginPossible, setIframeLoginPossible] = useState(false);
const currentPath = usePathname();
const iframeRef = useRef<HTMLIFrameElement>(null);
useEffect(() => {
const iframe = iframeRef.current;
iframe?.addEventListener("load", onIframeLoad);
return () => {
fetchLoginOptions();
iframe?.removeEventListener("load", onIframeLoad);
};
});
async function fetchLoginOptions() {
const loginOpts = await getLoginOptions();
if (loginOpts?.length < 1 || !loginOpts[0].loginUri) {
setLoginUri("");
setIframeLoginPossible(false);
} else {
setLoginUri(loginOpts[0].loginUri);
setIframeLoginPossible(true);
}
}
async function onSubmit(event: FormEvent<HTMLFormElement>) {
event.preventDefault();
if (!loginUri) {
return;
}
const url = new URL(loginUri);
url.searchParams.append(
"post_login_success_uri",
`${process.env.NEXT_PUBLIC_BASE_URI}${currentPath}`
);
const loginUrl = url.toString();
if (
+selectedLoginExperience === +LoginExperience.IFRAME &&
iframeRef.current
) {
const iframe = iframeRef.current;
if (iframe) {
iframe.src = loginUrl;
setIsLoginModalDisplayed(true);
}
} else {
window.location.href = loginUrl;
}
}
function onIframeLoad() {
if (isLoginModalDisplayed) {
onLogin({});
}
}
return (
<span>
<form onSubmit={onSubmit}>
{isIframeLoginPossible && (
<select
value={selectedLoginExperience}
onChange={(e) => {
setSelectedLoginExperience(
+e?.target?.value === +LoginExperience.IFRAME
? LoginExperience.IFRAME
: LoginExperience.DEFAULT
);
}}
>
<option
value={LoginExperience.IFRAME}
hidden={!isIframeLoginPossible}
>
iframe
</option>
<option value={LoginExperience.DEFAULT}>default</option>
</select>
)}
<button disabled={user.isAuthenticated} type="submit">
Login
</button>
</form>
<div
className={
!user.isAuthenticated && isLoginModalDisplayed
? "modal-overlay"
: "hidden"
}
onClick={() => setIsLoginModalDisplayed(false)}
>
<div></div>
<div className="modal">
<div className="flex">
<span className="ml-auto">
<button onClick={() => setIsLoginModalDisplayed(false)}>X</button>
</span>
</div>
<iframe ref={iframeRef}></iframe>
</div>
</div>
</span>
);
}

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import axios from "axios";
export default function Logout() {
async function onClick() {
const response = await axios.post(
"/bff/logout",
{},
{
headers: {
"X-POST-LOGOUT-SUCCESS-URI": process.env.NEXT_PUBLIC_BASE_URI,
},
}
);
window.location.href = response.headers["location"];
}
return (
<button type="submit" onClick={onClick}>
Logout
</button>
);
}

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"use client";
import axios from "axios";
import { Dispatch, SetStateAction } from "react";
import { Subscription, interval } from "rxjs";
interface UserinfoDto {
username: string;
email: string;
roles: string[];
exp: number;
}
export class User {
static readonly ANONYMOUS = new User("", "", []);
constructor(
readonly name: string,
readonly email: string,
readonly roles: string[]
) {}
get isAuthenticated(): boolean {
return !!this.name;
}
hasAnyRole(...roles: string[]): boolean {
for (const r of roles) {
if (this.roles.includes(r)) {
return true;
}
}
return false;
}
}
export class UserService {
private refreshSub?: Subscription;
constructor(user: User, setUser: Dispatch<SetStateAction<User>>) {
this.refresh(user, setUser);
}
async refresh(
user: User,
setUser: Dispatch<SetStateAction<User>>
): Promise<void> {
this.refreshSub?.unsubscribe();
const response = await axios.get<UserinfoDto>("/bff/api/me");
if (
response.data.username !== user.name ||
response.data.email !== user.email ||
(response.data.roles || []).toString() !== user.roles.toString()
) {
setUser(
response.data.username
? new User(
response.data.username || "",
response.data.email || "",
response.data.roles || []
)
: User.ANONYMOUS
);
}
if (!!response.data.exp) {
const now = Date.now();
const delay = (1000 * response.data.exp - now) * 0.8;
if (delay > 2000) {
this.refreshSub = interval(delay).subscribe(() =>
this.refresh(user, setUser)
);
}
}
}
}

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"use client";
import Link from "next/link";
import { useUserContext } from "./layout";
import { User } from "./lib/auth/user.service";
export default function Home() {
const user = useUserContext();
const message = user.isAuthenticated
? `Hi ${user.name}, you are granted with ${rolesStr(user)}.`
: "You are not authenticated.";
function rolesStr(user: User) {
if (!user?.roles?.length) {
return "[]";
}
return `["${user.roles.join('", "')}"]`;
}
return (
<main className="min-h-screen">
<div className="flex">
<span className="ml-2"></span>
<button>
<Link href="/about">About</Link>
</button>
<span className="m-auto"></span>
<h1>Home</h1>
<span className="m-auto"></span>
</div>
<div className="flex flex-col items-center justify-between p-24">
<p>{message}</p>
</div>
</main>
);
}

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/** @type {import('next').NextConfig} */
const nextConfig = {
basePath: process.env.NEXT_PUBLIC_BASE_PATH,
assetPrefix: '/react-ui',
};
export default nextConfig

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{
"name": "react-ui",
"version": "0.1.0",
"private": true,
"scripts": {
"dev": "next dev -p 4203",
"build": "next build",
"start": "next start -p 4203",
"lint": "next lint"
},
"dependencies": {
"axios": "^1.6.5",
"next": "14.1.0",
"react": "^18",
"react-dom": "^18",
"rxjs": "^7.8.1"
},
"devDependencies": {
"@types/node": "^20",
"@types/react": "^18",
"@types/react-dom": "^18",
"autoprefixer": "^10.0.1",
"eslint": "^8",
"eslint-config-next": "14.1.0",
"postcss": "^8",
"tailwindcss": "^3.3.0",
"typescript": "^5"
}
}

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module.exports = {
plugins: {
tailwindcss: {},
autoprefixer: {},
},
};

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import type { Config } from "tailwindcss";
const config: Config = {
content: [
"./pages/**/*.{js,ts,jsx,tsx,mdx}",
"./components/**/*.{js,ts,jsx,tsx,mdx}",
"./app/**/*.{js,ts,jsx,tsx,mdx}",
],
theme: {
extend: {
backgroundImage: {
"gradient-radial": "radial-gradient(var(--tw-gradient-stops))",
"gradient-conic":
"conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))",
},
},
},
plugins: [],
};
export default config;

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{
"compilerOptions": {
"lib": ["dom", "dom.iterable", "esnext"],
"allowJs": true,
"skipLibCheck": true,
"strict": true,
"noEmit": true,
"esModuleInterop": true,
"module": "esnext",
"moduleResolution": "bundler",
"resolveJsonModule": true,
"isolatedModules": true,
"jsx": "preserve",
"incremental": true,
"plugins": [
{
"name": "next"
}
],
"paths": {
"@/*": ["./*"]
}
},
"include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
"exclude": ["node_modules"]
}

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VITE_REVERSE_PROXY=http://localhost:7080

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/* eslint-env node */
require('@rushstack/eslint-patch/modern-module-resolution')
module.exports = {
root: true,
'extends': [
'plugin:vue/vue3-essential',
'eslint:recommended',
'@vue/eslint-config-typescript',
'@vue/eslint-config-prettier/skip-formatting'
],
parserOptions: {
ecmaVersion: 'latest'
}
}

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
.DS_Store
dist
dist-ssr
coverage
*.local
.vite
/cypress/videos/
/cypress/screenshots/
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
*.tsbuildinfo

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{
"$schema": "https://json.schemastore.org/prettierrc",
"semi": false,
"tabWidth": 2,
"singleQuote": true,
"printWidth": 100,
"trailingComma": "none"
}

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/// <reference types="vite/client" />

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<link rel="icon" href="/favicon.ico">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Vite App</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.ts"></script>
</body>
</html>

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{
"name": "vue-ui",
"version": "0.0.0",
"private": true,
"type": "module",
"scripts": {
"dev": "vite",
"build": "run-p type-check \"build-only {@}\" --",
"preview": "vite preview",
"build-only": "vite build",
"type-check": "vue-tsc --build --force",
"lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs,.ts,.tsx,.cts,.mts --fix --ignore-path .gitignore",
"format": "prettier --write src/"
},
"dependencies": {
"vue": "^3.3.11",
"vue-router": "^4.2.5",
"vue3-cookies": "^1.0.6"
},
"devDependencies": {
"@rushstack/eslint-patch": "^1.3.3",
"@tsconfig/node18": "^18.2.2",
"@types/node": "^18.19.10",
"@vitejs/plugin-vue": "^4.5.2",
"@vitejs/plugin-vue-jsx": "^3.1.0",
"@vue/eslint-config-prettier": "^8.0.0",
"@vue/eslint-config-typescript": "^12.0.0",
"@vue/tsconfig": "^0.5.0",
"eslint": "^8.49.0",
"eslint-plugin-vue": "^9.17.0",
"npm-run-all2": "^6.1.1",
"prettier": "^3.0.3",
"typescript": "~5.3.0",
"vite": "^5.0.10",
"vue-tsc": "^1.8.25"
}
}

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<script setup lang="ts">
import { RouterLink, RouterView } from 'vue-router'
import AuthenticationButtons from './components/AuthenticationButtons.vue';
</script>
<template>
<header>
<div class="wrapper">
<div style="flex">
<h1 style="margin: auto;">Vue-app</h1>
<AuthenticationButtons style="margin-left: auto;"></AuthenticationButtons>
</div>
<nav>
<RouterLink to="/">Home</RouterLink>
<RouterLink to="/about">About</RouterLink>
</nav>
</div>
</header>
<RouterView />
</template>
<style scoped>
nav {
width: 100%;
font-size: 12px;
text-align: center;
margin-top: 2rem;
}
nav a.router-link-exact-active {
color: var(--color-text);
}
nav a.router-link-exact-active:hover {
background-color: transparent;
}
nav a {
display: inline-block;
padding: 0 1rem;
border-left: 1px solid var(--color-border);
}
nav a:first-of-type {
border: 0;
}
@media (min-width: 1024px) {
header {
display: flex;
place-items: center;
padding-right: calc(var(--section-gap) / 2);
}
header .wrapper {
display: flex;
place-items: flex-start;
flex-wrap: wrap;
}
nav {
text-align: left;
margin-left: -1rem;
font-size: 1rem;
padding: 1rem 0;
margin-top: 1rem;
}
}
</style>

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/* color palette from <https://github.com/vuejs/theme> */
:root {
--vt-c-white: #ffffff;
--vt-c-white-soft: #f8f8f8;
--vt-c-white-mute: #f2f2f2;
--vt-c-black: #181818;
--vt-c-black-soft: #222222;
--vt-c-black-mute: #282828;
--vt-c-indigo: #2c3e50;
--vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
--vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
--vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
--vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);
--vt-c-text-light-1: var(--vt-c-indigo);
--vt-c-text-light-2: rgba(60, 60, 60, 0.66);
--vt-c-text-dark-1: var(--vt-c-white);
--vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
}
/* semantic color variables for this project */
:root {
--color-background: var(--vt-c-white);
--color-background-soft: var(--vt-c-white-soft);
--color-background-mute: var(--vt-c-white-mute);
--color-border: var(--vt-c-divider-light-2);
--color-border-hover: var(--vt-c-divider-light-1);
--color-heading: var(--vt-c-text-light-1);
--color-text: var(--vt-c-text-light-1);
--section-gap: 160px;
}
@media (prefers-color-scheme: dark) {
:root {
--color-background: var(--vt-c-black);
--color-background-soft: var(--vt-c-black-soft);
--color-background-mute: var(--vt-c-black-mute);
--color-border: var(--vt-c-divider-dark-2);
--color-border-hover: var(--vt-c-divider-dark-1);
--color-heading: var(--vt-c-text-dark-1);
--color-text: var(--vt-c-text-dark-2);
}
}
*,
*::before,
*::after {
box-sizing: border-box;
margin: 0;
font-weight: normal;
}
body {
min-height: 100vh;
color: var(--color-text);
background: var(--color-background);
transition:
color 0.5s,
background-color 0.5s;
line-height: 1.6;
font-family:
Inter,
-apple-system,
BlinkMacSystemFont,
'Segoe UI',
Roboto,
Oxygen,
Ubuntu,
Cantarell,
'Fira Sans',
'Droid Sans',
'Helvetica Neue',
sans-serif;
font-size: 15px;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 261.76 226.69"><path d="M161.096.001l-30.225 52.351L100.647.001H-.005l130.877 226.688L261.749.001z" fill="#41b883"/><path d="M161.096.001l-30.225 52.351L100.647.001H52.346l78.526 136.01L209.398.001z" fill="#34495e"/></svg>

After

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@import './base.css';
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
font-weight: normal;
}
a,
.green {
text-decoration: none;
color: hsla(160, 100%, 37%, 1);
transition: 0.4s;
padding: 3px;
}
@media (hover: hover) {
a:hover {
background-color: hsla(160, 100%, 37%, 0.2);
}
}
@media (min-width: 1024px) {
body {
display: flex;
place-items: center;
}
#app {
display: grid;
grid-template-columns: 1fr 1fr;
padding: 0 2rem;
}
}

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<script setup lang="ts">
import type { UserService } from '@/user.service';
import { inject } from 'vue';
import LoginForm from './LoginForm.vue';
import LogoutForm from './LogoutForm.vue';
// inject the singleton defined in main.js
const user = inject('UserService') as UserService;
</script>
<template>
<span>
<LoginForm v-if="!user.current.value.isAuthenticated"></LoginForm>
<LogoutForm v-if="user.current.value.isAuthenticated"></LogoutForm>
</span>
</template>
<style scoped>
</style>

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<script setup lang="ts">
import type { UserService } from '@/user.service'
import { inject, onMounted, ref, type Ref } from 'vue'
import { useRoute } from 'vue-router'
enum LoginExperience {
IFRAME,
DEFAULT
}
interface LoginOptionDto {
label: string
loginUri: string
isSameAuthority: boolean
}
// inject the singleton defined in main.js
const user = inject('UserService') as UserService
const loginUri: Ref<string> = ref('')
const loginExperiences: Ref<Array<LoginExperience>> = ref([LoginExperience.DEFAULT])
const selectedLoginExperience: Ref<string> = ref(LoginExperience[LoginExperience.DEFAULT])
const isLoginModalDisplayed: Ref<boolean> = ref(false)
const iframeSrc: Ref<string> = ref('')
const iframe: Ref<HTMLIFrameElement | undefined> = ref()
const route = useRoute()
onMounted(async () => {
// Fetch login options from the BFF
const response = await fetch('/bff/login-options')
const opts = (await response.json()) as LoginOptionDto[]
if (opts.length) {
loginUri.value = opts[0].loginUri
if (opts[0].isSameAuthority) {
loginExperiences.value = [LoginExperience.IFRAME, LoginExperience.DEFAULT]
}
selectedLoginExperience.value = LoginExperience[loginExperiences.value[0]]
}
})
function login() {
if (!loginUri.value) {
return
}
const url = new URL(loginUri.value)
url.searchParams.append(
'post_login_success_uri',
`${import.meta.env.VITE_REVERSE_PROXY}${import.meta.env.BASE_URL}${route.path}`
)
const loginUrl = url.toString()
if (selectedLoginExperience.value === LoginExperience[LoginExperience.IFRAME]) {
iframeSrc.value = loginUrl
isLoginModalDisplayed.value = true
if (iframe.value) {
iframe.value.onload = () => {
user.refresh()
}
}
} else {
window.location.href = loginUrl
}
}
function onIframeLoad() {
user.refresh()
}
</script>
<template>
<span>
<select v-if="loginExperiences.length > 1" v-model="selectedLoginExperience">
<option v-for="exp in loginExperiences" :key="exp">{{ LoginExperience[exp] }}</option>
</select>
<button
@click="login()"
:disabled="!selectedLoginExperience || user.current.value.isAuthenticated"
>
Login
</button>
</span>
<div
class="modal-overlay"
v-if="isLoginModalDisplayed && !user.current.value.isAuthenticated"
@click="isLoginModalDisplayed = false"
>
<div class="modal">
<iframe :src="iframeSrc" frameborder="0" :onload="onIframeLoad"></iframe>
<button class="close-button" @click="isLoginModalDisplayed = false">Discard</button>
</div>
</div>
</template>
<style scoped>
.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
}
.modal {
background-color: #fff;
padding: 20px;
border-radius: 5px;
position: relative;
width: 100%;
max-width: 800px;
}
.modal iframe {
width: 100%;
height: 600px;
border: none;
}
</style>

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<script setup lang="ts">
import { useCookies } from "vue3-cookies";
const { cookies } = useCookies();
async function logout(xsrfToken: string) {
const response = await fetch('/bff/logout', {
method: 'POST',
headers: {
'X-XSRF-TOKEN': xsrfToken,
'X-POST-LOGOUT-SUCCESS-URI': `${import.meta.env.VITE_REVERSE_PROXY}${import.meta.env.BASE_URL}`
}
})
const location = response.headers.get('Location')
if (location) {
window.location.href = location
}
}
</script>
<template>
<button @click="logout(cookies.get('XSRF-TOKEN'))">Logout</button>
</template>
<style scoped>
</style>

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import './assets/main.css'
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
import { UserService } from './user.service'
const app = createApp(App)
app.provide("UserService", new UserService());
app.use(router)
app.mount('#app')

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import { createRouter, createWebHistory } from 'vue-router'
import HomeView from '../views/HomeView.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'home',
component: HomeView
},
{
path: '/about',
name: 'about',
// route level code-splitting
// this generates a separate chunk (About.[hash].js) for this route
// which is lazy-loaded when the route is visited.
component: () => import('../views/AboutView.vue')
}
]
})
export default router

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import { ref } from 'vue'
interface UserinfoDto {
username: string
email: string
roles: string[]
exp: number
}
export class User {
static readonly ANONYMOUS = new User('', '', [])
constructor(
readonly name: string,
readonly email: string,
readonly roles: string[]
) {}
get isAuthenticated(): boolean {
return !!this.name
}
hasAnyRole(...roles: string[]): boolean {
for (const r of roles) {
if (this.roles.includes(r)) {
return true
}
}
return false
}
}
export class UserService {
readonly current = ref(User.ANONYMOUS)
private refreshIntervalId?: number
constructor() {
this.refresh()
}
async refresh(): Promise<void> {
if (this.refreshIntervalId) {
clearInterval(this.refreshIntervalId)
}
const response = await fetch(`/bff/api/me`)
const user = (await response.json()) as UserinfoDto
if (
user?.username !== this.current?.value?.name ||
user?.email !== this.current?.value?.email ||
(user?.roles || []).toString() !== this.current?.value?.roles?.toString()
) {
this.current.value = user?.username
? new User(user.username, user.email || '', user.roles || [])
: User.ANONYMOUS
}
if (user?.exp) {
const now = Date.now()
const delay = (1000 * user.exp - now) * 0.8
if (delay > 2000) {
this.refreshIntervalId = setInterval(this.refresh, delay)
}
}
}
}

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<template>
<div class="about">
<p>This application is a show-case for an Angular app consuming a REST API
through an OAuth2 BFF.</p>
</div>
</template>
<style>
@media (min-width: 1024px) {
.about {
min-height: 100vh;
display: flex;
align-items: center;
}
}
</style>

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<script setup lang="ts">
import { inject } from 'vue';
import { User, UserService } from '../user.service'
// inject the singleton defined in main.js
const user = inject('UserService') as UserService;
function message(user: User) {
return user.isAuthenticated
? `Hi ${user.name}, you are granted with ${rolesStr(user)}.`
: 'You are not authenticated.'
}
function rolesStr(user: User) {
if(!user?.roles?.length) {
return '[]'
}
return `["${user.roles.join('", "')}"]`
}
</script>
<template>
<main>
<p>{{ message(user.current.value) }}</p>
</main>
</template>

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{
"extends": "@vue/tsconfig/tsconfig.dom.json",
"include": ["env.d.ts", "src/**/*", "src/**/*.vue"],
"exclude": ["src/**/__tests__/*"],
"compilerOptions": {
"composite": true,
"noEmit": true,
"baseUrl": ".",
"paths": {
"@/*": ["./src/*"]
}
}
}

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{
"files": [],
"references": [
{
"path": "./tsconfig.node.json"
},
{
"path": "./tsconfig.app.json"
}
]
}

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{
"extends": "@tsconfig/node18/tsconfig.json",
"include": [
"vite.config.*",
"vitest.config.*",
"cypress.config.*",
"nightwatch.conf.*",
"playwright.config.*"
],
"compilerOptions": {
"composite": true,
"noEmit": true,
"module": "ESNext",
"moduleResolution": "Bundler",
"types": ["node"]
}
}

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import { fileURLToPath, URL } from 'node:url'
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx'
// https://vitejs.dev/config/
export default defineConfig({
plugins: [
vue(),
vueJsx(),
],
resolve: {
alias: {
'@': fileURLToPath(new URL('./src', import.meta.url))
}
},
base: '/vue-ui',
server: {
host: "0.0.0.0",
port: 4202,
//https: {
// cert: 'C:/Users/ch4mp/.ssh/bravo-ch4mp_self_signed.pem',
// key: 'C:/Users/ch4mp/.ssh/bravo-ch4mp_req_key.pem',
//},
//open: 'https://localhost:7080/vue-ui',
},
})