Merge remote-tracking branch 'origin/develop' into N3WTS-5-Historique-ACA

Back-End/Common/urls.py

@@ -3,6 +3,7 @@ from django.urls import path, re_path
 from .views import (
     DomainListCreateView, DomainDetailView,
     CategoryListCreateView, CategoryDetailView,
+    ServeFileView,
 )
 
 urlpatterns = [
@@ -11,4 +12,6 @@ urlpatterns = [
 
     re_path(r'^categories$', CategoryListCreateView.as_view(), name="category_list_create"),
     re_path(r'^categories/(?P<id>[0-9]+)$', CategoryDetailView.as_view(), name="category_detail"),
+
+    path('serve-file/', ServeFileView.as_view(), name="serve_file"),
 ]

Back-End/Common/views.py

@@ -1,3 +1,8 @@
+import os
+import mimetypes
+
+from django.conf import settings
+from django.http import FileResponse
 from django.http.response import JsonResponse
 from django.views.decorators.csrf import ensure_csrf_cookie, csrf_protect
 from django.utils.decorators import method_decorator
@@ -117,3 +122,55 @@ class CategoryDetailView(APIView):
             return JsonResponse({'message': 'Deleted'}, safe=False)
         except Category.DoesNotExist:
             return JsonResponse({'error': 'No object found'}, status=status.HTTP_404_NOT_FOUND)
+
+
+class ServeFileView(APIView):
+    """Sert les fichiers media de manière sécurisée avec authentification JWT."""
+    permission_classes = [IsAuthenticated]
+
+    def get(self, request):
+        file_path = request.query_params.get('path', '')
+
+        if not file_path:
+            return JsonResponse(
+                {'error': 'Le paramètre "path" est requis'},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        # Nettoyer le préfixe /data/ si présent
+        if file_path.startswith('/data/'):
+            file_path = file_path[len('/data/'):]
+        elif file_path.startswith('data/'):
+            file_path = file_path[len('data/'):]
+
+        # Construire le chemin absolu et le résoudre pour éliminer les traversals
+        absolute_path = os.path.realpath(
+            os.path.join(settings.MEDIA_ROOT, file_path)
+        )
+
+        # Protection contre le path traversal
+        media_root = os.path.realpath(settings.MEDIA_ROOT)
+        if not absolute_path.startswith(media_root + os.sep) and absolute_path != media_root:
+            return JsonResponse(
+                {'error': 'Accès non autorisé'},
+                status=status.HTTP_403_FORBIDDEN,
+            )
+
+        if not os.path.isfile(absolute_path):
+            return JsonResponse(
+                {'error': 'Fichier introuvable'},
+                status=status.HTTP_404_NOT_FOUND,
+            )
+
+        content_type, _ = mimetypes.guess_type(absolute_path)
+        if content_type is None:
+            content_type = 'application/octet-stream'
+
+        response = FileResponse(
+            open(absolute_path, 'rb'),
+            content_type=content_type,
+        )
+        response['Content-Disposition'] = (
+            f'inline; filename="{os.path.basename(absolute_path)}"'
+        )
+        return response