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);
+    }
+}

frontend/src/app/core/rest-services/picture/model/picture.ts

@@ -0,0 +1,4 @@
+export interface Picture {
+    id: string,
+    publishedAt: Date
+}

frontend/src/app/core/rest-services/picture/picture.rest-service.ts

@@ -0,0 +1,21 @@
+import { HttpClient, HttpParams } from "@angular/common/http";
+import { inject, Injectable } from "@angular/core";
+import { Picture } from "./model/picture";
+import { lastValueFrom } from "rxjs";
+
+@Injectable({
+    providedIn: 'root'
+})
+export class PictureRestService {
+    private readonly httpClient = inject(HttpClient);
+
+    getAllOfCurrentUser(): Promise<Picture[]> {
+        return lastValueFrom(this.httpClient.get<Picture[]>('/api/pictures/current-user'));
+    }
+
+    uploadPicture(pictureFile: File): Promise<string> {
+        const formData = new FormData();
+        formData.append("file", pictureFile);
+        return lastValueFrom(this.httpClient.post<string>('/api/pictures', formData));
+    }
+}

frontend/src/app/core/service/authentication.service.ts

@@ -36,6 +36,14 @@ export class AuthenticationService {
         return result;
     }
 
+    getAuthenticatedUser(): User | undefined {
+        return this.extractUserFromLocalStorage();
+    }
+
+    getToken(): string | undefined {
+        return localStorage.getItem(JWT_PARAM) ?? undefined;
+    }
+
     private extractUserFromLocalStorage(): User | undefined {
         let result: User | undefined = undefined;