Fix refresh token mecanism.

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

@@ -49,6 +49,7 @@ export class JwtInterceptor implements HttpInterceptor {
                 this.userRestService.refreshToken(refreshTokenRequest)
                     .then(refreshTokenResponse => {
                         this.authenticationService.authenticate(refreshTokenResponse.accessToken, refreshTokenResponse.refreshToken);
+                        this.refreshTokenSubject.next(refreshTokenResponse.accessToken);
                     })
                     .catch(() => {
                         return this.handleNoRefreshToken(initialError);

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

@@ -29,16 +29,7 @@ export class AuthenticationService {
     }
     
     isAuthenticated(): boolean {
-        let result = false;
-
-        const userDetails = this.extractUserDetails();
-        
-        if (userDetails) {
-            const authenticationExpiration = new Date(userDetails.exp * 1000);
-            result = authenticationExpiration > new Date();
-        }
-
-        return result;
+        return !!localStorage.getItem(JWT_PARAM);
     }
 
     getAuthenticatedUser(): User | undefined {

frontend/src/app/pages/publication-edition/picture-selection-dialog/picture-selection-dialog.component.ts

@@ -53,7 +53,18 @@ export class PictureSelectionDialog implements OnInit {
         this.dialogRef.close();
     }
 
-    uploadPicture(file: any): void {
-        console.log("uploadFile", file);
+    uploadPicture(fileSelectionEvent: any): void {
+        const pictureFile = fileSelectionEvent.target.files[0];
+        if (pictureFile) {
+            this.pictureRestService.uploadPicture(pictureFile)
+                .then(pictureId => {
+                    this.dialogRef.close(pictureId);
+                })
+                .catch(error => {
+                    const errorMessage = 'A technical error occured while uploading your picture.';
+                    console.error(errorMessage, error);
+                    this.snackBar.open(errorMessage, 'Close', { duration: 5000 });
+                });
+        }
     }
 }