diff --git a/backend/codiki-application/src/main/java/org/codiki/application/picture/PictureUseCases.java b/backend/codiki-application/src/main/java/org/codiki/application/picture/PictureUseCases.java
index aaa229b..0c60059 100644
--- a/backend/codiki-application/src/main/java/org/codiki/application/picture/PictureUseCases.java
+++ b/backend/codiki-application/src/main/java/org/codiki/application/picture/PictureUseCases.java
@@ -1,6 +1,7 @@
 package org.codiki.application.picture;
 
 import java.io.File;
+import java.time.ZonedDateTime;
 import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
@@ -31,6 +32,7 @@ public class PictureUseCases {
             .withId(UUID.randomUUID())
             .withPublisher(authenticatedUser)
             .withContentFile(pictureFile)
+            .withPublicationDate(ZonedDateTime.now())
             .build();
 
         picturePort.save(newPicture);
diff --git a/backend/codiki-infrastructure/src/main/java/org/codiki/infrastructure/picture/model/PictureEntity.java b/backend/codiki-infrastructure/src/main/java/org/codiki/infrastructure/picture/model/PictureEntity.java
index f81c1f2..9e0a163 100644
--- a/backend/codiki-infrastructure/src/main/java/org/codiki/infrastructure/picture/model/PictureEntity.java
+++ b/backend/codiki-infrastructure/src/main/java/org/codiki/infrastructure/picture/model/PictureEntity.java
@@ -31,6 +31,7 @@ public class PictureEntity {
     public PictureEntity(Picture picture) {
         id = picture.id();
         publisherId = picture.publisherId();
+        publishedAt = picture.publishedAt();
     }
 
     public Picture toDomain() {
diff --git a/frontend/src/app/core/interceptor/jwt.interceptor.ts b/frontend/src/app/core/interceptor/jwt.interceptor.ts
index 893cbc0..cbd3f24 100644
--- a/frontend/src/app/core/interceptor/jwt.interceptor.ts
+++ b/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);
diff --git a/frontend/src/app/core/service/authentication.service.ts b/frontend/src/app/core/service/authentication.service.ts
index a94476a..d562abc 100644
--- a/frontend/src/app/core/service/authentication.service.ts
+++ b/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 {
diff --git a/frontend/src/app/pages/publication-edition/picture-selection-dialog/picture-selection-dialog.component.ts b/frontend/src/app/pages/publication-edition/picture-selection-dialog/picture-selection-dialog.component.ts
index 75ab064..b0c0c2e 100644
--- a/frontend/src/app/pages/publication-edition/picture-selection-dialog/picture-selection-dialog.component.ts
+++ b/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 });
+                });
+        }
     }
 }
\ No newline at end of file