Mess commit.

frontend/src/app/core/interceptor/jwt.interceptor.ts

@@ -0,0 +1,23 @@
+import { Observable } from 'rxjs';
+import { inject, Injectable } from '@angular/core';
+import { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent } from '@angular/common/http';
+import { AuthenticationService } from '../service/authentication.service';
+
+@Injectable()
+export class JwtInterceptor implements HttpInterceptor {
+    private readonly authenticationService = inject(AuthenticationService);
+
+    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+        const jwt = this.authenticationService.getToken();
+
+        if (jwt) {
+            const cloned = request.clone({
+                headers: request.headers.set('Authorization', `Bearer ${jwt}`)
+            });
+
+            return next.handle(cloned);
+        }
+
+        return next.handle(request);
+    }
+}