diff --git a/package-lock.json b/package-lock.json
index a79818e..be1f7f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,7 @@
         "@popperjs/core": "^2.11.8",
         "bootstrap": "^5.3.7",
         "express": "^4.21.2",
+        "jwt-decode": "^4.0.0",
         "moment": "2.30.1",
         "ngx-cookie-service-ssr": "^20.1.0",
         "ngx-mask": "^20.0.3",
@@ -6835,6 +6836,15 @@
       ],
       "license": "MIT"
     },
+    "node_modules/jwt-decode": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/jwt-decode/-/jwt-decode-4.0.0.tgz",
+      "integrity": "sha512-+KJGIyHgkGuIq3IEBNftfhW/LfWhXUIY6OmyVWjliu5KH1y0fw7VQ8YndE2O4qZdMSd9SqbnC8GOcZEy0Om7sA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/karma": {
       "version": "6.4.4",
       "resolved": "https://registry.npmjs.org/karma/-/karma-6.4.4.tgz",
diff --git a/package.json b/package.json
index bbb019a..6167216 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "@popperjs/core": "^2.11.8",
     "bootstrap": "^5.3.7",
     "express": "^4.21.2",
+    "jwt-decode": "^4.0.0",
     "moment": "2.30.1",
     "ngx-cookie-service-ssr": "^20.1.0",
     "ngx-mask": "^20.0.3",
diff --git a/src/app/app.component.html b/src/app/app.component.html
index c16560c..c3efecc 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -17,10 +17,10 @@
         <mat-icon>group</mat-icon>
         Spelers
       </a>
-      @if (this.userService.isLoggedIn()) {
+      @if (this.authService.isLoggedIn()) {
         <button mat-flat-button [matMenuTriggerFor]="accountMenu">
           <mat-icon>person</mat-icon>
-          {{ user }}
+          {{ this.authService.getUsername() }}
         </button>
         <mat-menu #accountMenu="matMenu">
           <button mat-menu-item (click)="logOut()">
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index a776589..e9b79e0 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -6,9 +6,10 @@ import {MatIcon} from "@angular/material/icon";
 import {MatToolbar} from "@angular/material/toolbar";
 import {filter, map, Subscription} from "rxjs";
 import {MatMenu, MatMenuItem, MatMenuTrigger} from "@angular/material/menu";
-import {UserService} from "./authentication/user.service";
+// import {UserService} from "./authentication/user.service";
 import {TournamentService} from "./service/tournament.service";
 import {HeaderService} from "./service/header.service";
+import {AuthService} from "./auth/auth.service";
 
 @Component({
     selector: 'app-root',
@@ -19,11 +20,11 @@ import {HeaderService} from "./service/header.service";
 export class AppComponent implements OnInit {
 
   header: string;
-  user: string;
-  userSubscription: Subscription;
+  // user: string;
+  // userSubscription: Subscription;
 
   constructor(
-    protected userService: UserService,
+    protected authService: AuthService,
     private router: Router,
     protected activatedRoute: ActivatedRoute,
     private tournamentService: TournamentService,
@@ -32,7 +33,7 @@ export class AppComponent implements OnInit {
   }
 
   ngOnInit() {
-    this.userSubscription = this.userService.currentUser.subscribe(newUser => this.user = newUser);
+    // this.userSubscription = this.userService.currentUser.subscribe(newUser => this.user = newUser);
 
     this.router.events.pipe(
       filter(event => event instanceof NavigationEnd),
@@ -55,8 +56,8 @@ export class AppComponent implements OnInit {
   }
 
   logOut() {
-    this.userService.removeUser();
-    this.router.navigate(['/auth/login']);
+    this.authService.logout();
+    this.router.navigate(['/login']);
   }
 
   addTestData() {
diff --git a/src/app/app.config.ts b/src/app/app.config.ts
index 0879a89..2fad792 100644
--- a/src/app/app.config.ts
+++ b/src/app/app.config.ts
@@ -13,6 +13,7 @@ import {ErrorInterceptor} from "./authentication/errorInterceptor";
 import {provideNgxMask} from "ngx-mask";
 import {UserService} from './authentication/user.service';
 import {provideAnimations} from "@angular/platform-browser/animations";
+import {AuthInterceptor} from "./auth/auth.interceptor";
 
 export const appConfig: ApplicationConfig = {
   providers: [
@@ -28,8 +29,8 @@ export const appConfig: ApplicationConfig = {
     provideMomentDateAdapter(undefined, {useUtc: false}),
     { provide: MAT_SNACK_BAR_DEFAULT_OPTIONS, useValue: { duration: 2500}},
     AuthGuard,
-    { provide: HTTP_INTERCEPTORS, useClass: TokenInterceptor, multi: true },
-    { provide: HTTP_INTERCEPTORS, useClass: ErrorInterceptor, multi: true },
+    { provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true },
+    // { provide: HTTP_INTERCEPTORS, useClass: ErrorInterceptor, multi: true },
     provideNgxMask(),
   ]
 };
diff --git a/src/app/app.routes.ts b/src/app/app.routes.ts
index 343ffb0..df0be4d 100644
--- a/src/app/app.routes.ts
+++ b/src/app/app.routes.ts
@@ -8,24 +8,24 @@ import {TournamentDrawComponent} from "./components/tournament-draw/tournament-d
 import {TournamentManageComponent} from "./components/tournament-manage/tournament-manage.component";
 import {MatchSheetsComponent} from "./components/match-sheets/match-sheets.component";
 import {RoundOverviewComponent} from "./components/round-overview/round-overview.component";
-import {AuthGuard} from "./authentication/authguard";
 import {LoginComponent} from "./components/login/login.component";
 import {TournamentPlayersComponent} from "./components/tournament-players/tournament-players.component";
+import {AuthGuard} from "./auth/auth-guard.service";
 
 export const routes: Routes = [
-  { path: '', component: TournamentListComponent, canActivate: [AuthGuard], data: { header: 'Toernooien' }},
-  { path: 'tournaments', component: TournamentListComponent, canActivate: [AuthGuard], data: { header: 'Toernooien' }},
-  { path: 'tournaments/add', component: TournamentEditComponent, canActivate: [AuthGuard], data: { header: 'Nieuw Toernooi' }},
-  { path: 'tournaments/:id/edit', component: TournamentEditComponent, canActivate: [AuthGuard], data: { header: 'Bewerk Toernooi' }},
-  { path: 'tournaments/:id/registrations', component: TournamentPlayersComponent, canActivate: [AuthGuard], data: { header: 'Inschrijvingen' }},
-  { path: 'tournaments/:id/draw', component: TournamentDrawComponent, canActivate: [AuthGuard], data: { header: 'Toernooi loten' }},
+  { path: '', component: TournamentListComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Toernooien' }},
+  { path: 'tournaments', component: TournamentListComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Toernooien' }},
+  { path: 'tournaments/add', component: TournamentEditComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Nieuw Toernooi' }},
+  { path: 'tournaments/:id/edit', component: TournamentEditComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Bewerk Toernooi' }},
+  { path: 'tournaments/:id/registrations', component: TournamentPlayersComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Inschrijvingen' }},
+  { path: 'tournaments/:id/draw', component: TournamentDrawComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Toernooi loten' }},
   { path: 'tournaments/:id/manage', component: TournamentManageComponent, canActivate: [AuthGuard]},
-  { path: 'tournaments/:id/manage/:tab', component: TournamentManageComponent, canActivate: [AuthGuard], data: { header: 'Toernooien' }},
-  { path: 'players', component: PlayerListComponent, canActivate: [AuthGuard], data: { header: 'Spelers' }},
-  { path: 'players/add', component: PlayerEditComponent, canActivate: [AuthGuard], data: { header: 'Nieuwe Speler' }},
-  { path: 'players/:id/edit', component: PlayerEditComponent, canActivate: [AuthGuard], data: { header: 'Bewerk Speler' }},
+  { path: 'tournaments/:id/manage/:tab', component: TournamentManageComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Toernooien' }},
+  { path: 'players', component: PlayerListComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Spelers' }},
+  { path: 'players/add', component: PlayerEditComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Nieuwe Speler' }},
+  { path: 'players/:id/edit', component: PlayerEditComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Bewerk Speler' }},
   { path: 'players/:id/registrations', component: PlayerRegistrationsComponent, canActivate: [AuthGuard]},
   { path: 'tournaments/:id/rounds/:roundId/matchsheets', component: MatchSheetsComponent, canActivate: [AuthGuard]},
-  { path: 'tournaments/:id/rounds/:roundId/overview', component: RoundOverviewComponent, canActivate: [AuthGuard], data: { header: 'Rondeoverzicht' }},
-  { path: 'auth/login', component: LoginComponent, data: { header: 'Inloggen'}}
+  { path: 'tournaments/:id/rounds/:roundId/overview', component: RoundOverviewComponent, canActivate: [AuthGuard], data: { role: 'ROLE_USER', header: 'Rondeoverzicht' }},
+  { path: 'login', component: LoginComponent, data: { header: 'Inloggen'}}
 ];
diff --git a/src/app/auth/auth-guard.service.ts b/src/app/auth/auth-guard.service.ts
new file mode 100644
index 0000000..30ae52a
--- /dev/null
+++ b/src/app/auth/auth-guard.service.ts
@@ -0,0 +1,22 @@
+import {Injectable} from '@angular/core';
+import {ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot} from '@angular/router';
+import {AuthService} from './auth.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class AuthGuard implements CanActivate {
+
+  constructor(private authService: AuthService, private router: Router) {
+  }
+
+  public canActivate(next: ActivatedRouteSnapshot, state: RouterStateSnapshot): boolean {
+    if (this.authService.isLoggedIn() && this.authService.isUserInRole(next.routeConfig?.data?.['role'])) {
+      return true;
+    } else {
+      // this.router.navigateByUrl("/login");
+      this.router.navigate(['/login'], { queryParams: { returnUrl: state.url } });
+      return false;
+    }
+  }
+}
diff --git a/src/app/auth/auth.interceptor.ts b/src/app/auth/auth.interceptor.ts
new file mode 100644
index 0000000..cbf011f
--- /dev/null
+++ b/src/app/auth/auth.interceptor.ts
@@ -0,0 +1,35 @@
+import {Injectable} from '@angular/core';
+import {HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest} from '@angular/common/http';
+import {catchError, Observable, throwError} from 'rxjs';
+import {Router} from '@angular/router';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthInterceptor implements HttpInterceptor {
+
+  constructor(private router: Router) {
+  }
+
+  intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    let token = sessionStorage.getItem("app.token");
+    if (token) {
+      request = request.clone({
+        setHeaders: {
+          Authorization: `Bearer ${token}`
+        },
+      });
+    }
+
+    return next.handle(request).pipe(
+      catchError((error: HttpErrorResponse) => this.handleErrorRes(error))
+    );
+  }
+
+  private handleErrorRes(error: HttpErrorResponse): Observable<never> {
+    if (error.status === 401) {
+      this.router.navigateByUrl("/login", {replaceUrl: true});
+    }
+    return throwError(() => error);
+  }
+}
diff --git a/src/app/auth/auth.service.ts b/src/app/auth/auth.service.ts
new file mode 100644
index 0000000..4de0fcb
--- /dev/null
+++ b/src/app/auth/auth.service.ts
@@ -0,0 +1,86 @@
+import {Inject, Injectable, PLATFORM_ID} from '@angular/core';
+import {HttpClient} from '@angular/common/http';
+import {Observable} from 'rxjs';
+import {environment} from "../../environments/environment";
+import {isPlatformBrowser} from "@angular/common";
+import {jwtDecode, JwtPayload} from "jwt-decode";
+
+@Injectable({
+  providedIn: 'root'
+})
+export class AuthService {
+
+  private readonly authUrl: string
+
+  constructor(private http: HttpClient,
+              @Inject(PLATFORM_ID) private platformId: Object) {
+    this.authUrl = `${environment.backendUrl}/api/auth`;
+  }
+
+  private get isBrowser(): boolean {
+    return isPlatformBrowser(this.platformId);
+  }
+
+  isLoggedIn(): boolean {
+    if (!this.isBrowser) return false;
+    return sessionStorage.getItem("app.token") != null;
+  }
+
+  login(username: string, password: string): Observable<string> {
+    if (!this.isBrowser) {
+      throw new Error('Login can only be performed in browser');
+    }
+
+    const credentials = btoa(`${username}:${password}`);
+
+    const httpOptions = {
+      headers: {
+        'Authorization': `Basic ${credentials}`,
+        'Content-Type': 'application/json'
+      },
+      responseType: 'text' as 'text',
+    };
+    return this.http.post(this.authUrl, null, httpOptions);
+  }
+
+  logout() {
+    if (!this.isBrowser) return;
+    sessionStorage.removeItem("app.token");
+    sessionStorage.removeItem("app.roles");
+  }
+
+  isUserInRole(roleFromRoute: string) {
+    if (!this.isBrowser) return false;
+
+    const roles = sessionStorage.getItem("app.roles");
+
+    if (roles!.includes(",")) {
+      if (roles === roleFromRoute) {
+        return true;
+      }
+    } else {
+      const roleArray = roles!.split(",");
+      for (let role of roleArray) {
+        if (role === roleFromRoute) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  getUsername(): string | null {
+    if (!this.isBrowser) return null;
+
+    const token = sessionStorage.getItem("app.token");
+    if (!token) return null;
+
+    try {
+      const decodedToken = jwtDecode<JwtPayload>(token);
+      return decodedToken.sub || null;  // 'sub' is the standard JWT claim for subject/username
+    } catch (error) {
+      console.error('Error decoding token:', error);
+      return null;
+    }
+  }
+}
diff --git a/src/app/components/login/login.component.html b/src/app/components/login/login.component.html
index 6970f10..8c12ff3 100644
--- a/src/app/components/login/login.component.html
+++ b/src/app/components/login/login.component.html
@@ -1,22 +1,23 @@
 <mat-card>
   <mat-card-content>
-    <form class="form-horizontal" [formGroup]="form">
+    <form class="form-horizontal" (ngSubmit)="login()">
       <div class="row">
         <mat-form-field appearance="outline">
           <mat-label>Gebruikersnaam</mat-label>
-          <input matInput placeholder="Gebruikersnaam" formControlName="username" required>
+          <input matInput name="username" placeholder="Gebruikersnaam" required [(ngModel)]="username">
         </mat-form-field>
       </div>
       <div class="row">
       <mat-form-field appearance="outline">
         <mat-label>Wachtwoord</mat-label>
-        <input matInput placeholder="Wachtwoord" type="password" formControlName="password" required>
+        <input matInput name="password" placeholder="Wachtwoord" type="password" required [(ngModel)]="password">
       </mat-form-field>
       </div>
       <button class="w-100 mt-2" mat-button mat-flat-button color="primary"
-              (click)="login()" [disabled]="form.invalid">
+              (click)="login()">
         Inloggen
       </button>
     </form>
+    <p>{{message}}</p>
   </mat-card-content>
 </mat-card>
diff --git a/src/app/components/login/login.component.ts b/src/app/components/login/login.component.ts
index 46a784b..694e014 100644
--- a/src/app/components/login/login.component.ts
+++ b/src/app/components/login/login.component.ts
@@ -1,4 +1,4 @@
-import {FormBuilder, FormGroup, ReactiveFormsModule, Validators} from '@angular/forms';
+import {FormBuilder, FormGroup, FormsModule, ReactiveFormsModule, Validators} from '@angular/forms';
 import {Component, OnInit} from '@angular/core';
 import {ActivatedRoute, Router, RouterLink} from '@angular/router';
 import {MatCard, MatCardContent, MatCardHeader, MatCardTitle} from "@angular/material/card";
@@ -10,6 +10,9 @@ import {AuthenticationService} from "../../authentication/authentication.service
 import {UserService} from "../../authentication/user.service";
 import {LoginCredentials} from "../../authentication/loginCredentials";
 import {User} from "../../authentication/user";
+import {jwtDecode, JwtPayload} from "jwt-decode";
+import {AuthService} from "../../auth/auth.service";
+import {MatSnackBar} from "@angular/material/snack-bar";
 
 
 @Component({
@@ -23,6 +26,7 @@ import {User} from "../../authentication/user";
     MatInput,
     MatLabel,
     MatCard,
+    FormsModule,
   ],
   standalone: true,
   styleUrls: ['./login.component.scss']
@@ -32,48 +36,46 @@ export class LoginComponent implements OnInit {
   private returnUrl: string;
   private ipAddress: string;
 
-  constructor(
-    private route: ActivatedRoute,
-    private fb: FormBuilder,
-    private authenticationService: AuthenticationService,
-    private router: Router,
-    private userPersistenceService: UserService,
-  ) {
-    this.initializeForm();
+  username: string = "";
+  password: string = "";
+  message: string = "";
+
+  constructor(private authService: AuthService,
+              private route: ActivatedRoute,
+              private router: Router,
+              private snackBar: MatSnackBar) {
   }
 
-  private initializeForm() {
-    this.form = this.fb.group({
-      username: ['', [Validators.required]],
-      password: ['', [Validators.required]],
-    });
-  }
 
   ngOnInit() {
     this.returnUrl = this.route.snapshot.queryParams['returnUrl'] || '/';
   }
 
-  login() {
-    if (this.form.invalid) {
-      return;
-    }
+  public login(): void {
+    console.log('Na inloggen door naar' + this.returnUrl);
+    sessionStorage.removeItem("app.token");
 
-    let loginCredentials = new LoginCredentials();
-    loginCredentials = {
-      ...loginCredentials,
-      ...this.form.value,
-    };
+    this.authService.login(this.username, this.password)
+      .subscribe({
+        next: (token) => {
+          console.log('Login successful');
+          sessionStorage.setItem("app.token", token);
 
-    this.authenticationService
-      .login(loginCredentials)
-      .subscribe(
-        {
-          next: (user: User) => {
-            this.userPersistenceService.setUser(user);
-            this.router.navigate([this.returnUrl]);
-          }
+          const decodedToken = jwtDecode<JwtPayload>(token);
+          // @ts-ignore
+          sessionStorage.setItem("app.roles",  decodedToken.scope);
+
+          // this.router.navigateByUrl("/persons");
+          console.log('Let us go to {url}', this.returnUrl);
+
+          // this.router.navigate([this.returnUrl]);
+          this.router.navigate([this.route.snapshot.queryParams['returnUrl'] || '/']);
+        },
+        error: (error) => {
+          console.log('Login unsuccesful');
+          this.snackBar.open(`Login failed: ${error.status}`, "OK")
         }
-      );
+      });
   }
 
 }
diff --git a/src/app/components/player-edit/player-edit.component.ts b/src/app/components/player-edit/player-edit.component.ts
index d252d67..1f60886 100644
--- a/src/app/components/player-edit/player-edit.component.ts
+++ b/src/app/components/player-edit/player-edit.component.ts
@@ -45,7 +45,6 @@ export class PlayerEditComponent implements OnInit {
   player: Player;
   isEditMode: boolean = false;
 
-
   constructor(
     private playerService: PlayerService,
     private route: ActivatedRoute,
diff --git a/yarn.lock b/yarn.lock
index ab11aee..1583c84 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3114,6 +3114,11 @@ jsonparse@^1.3.1:
   resolved "https://registry.npmjs.org/jsonparse/-/jsonparse-1.3.1.tgz"
   integrity sha512-POQXvpdL69+CluYsillJ7SUhKvytYjW9vG/GKpnf+xP8UWgYEM/RaMzHHofbALDiKbbP1W8UEYmgGl39WkPZsg==
 
+jwt-decode@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/jwt-decode/-/jwt-decode-4.0.0.tgz"
+  integrity sha512-+KJGIyHgkGuIq3IEBNftfhW/LfWhXUIY6OmyVWjliu5KH1y0fw7VQ8YndE2O4qZdMSd9SqbnC8GOcZEy0Om7sA==
+
 karma-chrome-launcher@~3.2.0:
   version "3.2.0"
   resolved "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-3.2.0.tgz"