Remove unused args in upload_image

* Replace ckeditor with tinymce due to deprecation
* Remove any ckeditor dependency from old migrations
   Disable alters, replace create with plain models.TextField
* Reformat files
* Add more hardening in image_upload

ram/bookshelf/migrations/0001_initial.py

@@ -1,6 +1,7 @@
 # Generated by Django 4.2.5 on 2023-10-01 20:16
 
-import ckeditor_uploader.fields
+# ckeditor removal
+# import ckeditor_uploader.fields
 from django.db import migrations, models
 import django.db.models.deletion
 import uuid
@@ -47,7 +48,8 @@ class Migration(migrations.Migration):
                 ("ISBN", models.CharField(max_length=13, unique=True)),
                 ("publication_year", models.SmallIntegerField(blank=True, null=True)),
                 ("purchase_date", models.DateField(blank=True, null=True)),
-                ("notes", ckeditor_uploader.fields.RichTextUploadingField(blank=True)),
+                # ("notes", ckeditor_uploader.fields.RichTextUploadingField(blank=True)),
+                ("notes", models.TextField(blank=True)),
                 ("creation_time", models.DateTimeField(auto_now_add=True)),
                 ("updated_time", models.DateTimeField(auto_now=True)),
                 ("authors", models.ManyToManyField(to="bookshelf.author")),

ram/consist/migrations/0005_alter_consist_notes.py

@@ -1,6 +1,7 @@
 # Generated by Django 4.1 on 2022-08-23 15:54
 
-import ckeditor_uploader.fields
+# ckeditor removal
+# import ckeditor_uploader.fields
 from django.db import migrations
 
 
@@ -11,9 +12,9 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterField(
-            model_name="consist",
-            name="notes",
-            field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
-        ),
+        # migrations.AlterField(
+        #     model_name="consist",
+        #     name="notes",
+        #     field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
+        # ),
     ]

ram/portal/migrations/0011_alter_flatpage_content_alter_siteconfiguration_about_and_more.py

@@ -1,7 +1,8 @@
 # Generated by Django 4.1 on 2022-08-23 15:54
 
-import ckeditor.fields
-import ckeditor_uploader.fields
+# ckeditor dependency removal
+# import ckeditor.fields
+# import ckeditor_uploader.fields
 from django.db import migrations
 
 
@@ -12,24 +13,24 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterField(
-            model_name="flatpage",
-            name="content",
-            field=ckeditor_uploader.fields.RichTextUploadingField(),
-        ),
-        migrations.AlterField(
-            model_name="siteconfiguration",
-            name="about",
-            field=ckeditor.fields.RichTextField(blank=True),
-        ),
-        migrations.AlterField(
-            model_name="siteconfiguration",
-            name="footer",
-            field=ckeditor.fields.RichTextField(blank=True),
-        ),
-        migrations.AlterField(
-            model_name="siteconfiguration",
-            name="footer_extended",
-            field=ckeditor.fields.RichTextField(blank=True),
-        ),
+#         migrations.AlterField(
+#             model_name="flatpage",
+#             name="content",
+#             field=ckeditor_uploader.fields.RichTextUploadingField(),
+#         ),
+#         migrations.AlterField(
+#             model_name="siteconfiguration",
+#             name="about",
+#             field=ckeditor.fields.RichTextField(blank=True),
+#         ),
+#         migrations.AlterField(
+#             model_name="siteconfiguration",
+#             name="footer",
+#             field=ckeditor.fields.RichTextField(blank=True),
+#         ),
+#         migrations.AlterField(
+#             model_name="siteconfiguration",
+#             name="footer_extended",
+#             field=ckeditor.fields.RichTextField(blank=True),
+#         ),
     ]

ram/ram/urls.py

@@ -13,6 +13,7 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
+
 from django.apps import apps
 from django.conf import settings
 from django.shortcuts import redirect
@@ -24,12 +25,8 @@ from ram.views import UploadImage
 
 urlpatterns = [
     path("", lambda r: redirect("portal/")),
-    path('tinymce/', include('tinymce.urls')),
-    path(
-        "tinymce/upload_image",
-        UploadImage.as_view(),
-        name="upload_image"
-    ),
+    path("tinymce/", include("tinymce.urls")),
+    path("tinymce/upload_image", UploadImage.as_view(), name="upload_image"),
     path("portal/", include("portal.urls")),
     path("admin/", admin.site.urls),
     path("api/v1/consist/", include("consist.urls")),

ram/ram/views.py

@@ -8,29 +8,29 @@ from PIL import Image, UnidentifiedImageError
 from django.views import View
 from django.conf import settings
 from django.http import (
-    JsonResponse, HttpResponseForbidden, HttpResponse
+    HttpResponseBadRequest,
+    HttpResponseForbidden,
+    JsonResponse,
 )
 from django.utils.text import slugify as slugify
 from django.utils.decorators import method_decorator
 from django.views.decorators.csrf import csrf_exempt
 
 
-@method_decorator(csrf_exempt, name='dispatch')
+@method_decorator(csrf_exempt, name="dispatch")
 class UploadImage(View):
-    def post(self, request, application=None, model=None):
+    def post(self, request):
         if not request.user.is_authenticated:
             raise HttpResponseForbidden()
 
-        file_obj = request.FILES['file']
+        file_obj = request.FILES["file"]
         file_name, file_extension = os.path.splitext(file_obj.name)
         file_name = slugify(file_name) + file_extension
 
         try:
             Image.open(file_obj)
         except UnidentifiedImageError:
-            response = HttpResponse("Invalid extension")  # FIXME
-            response.status_code = 400
-            return response
+            return HttpResponseBadRequest()
 
         today = datetime.date.today()
         container = (
@@ -40,20 +40,23 @@ class UploadImage(View):
             today.strftime("%d"),
         )
 
-        file_path = os.path.join(
-            settings.MEDIA_ROOT,
-            *(p for p in container)
-        )
-        Path(file_path).mkdir(parents=True, exist_ok=True)
-        with open(os.path.join(file_path, file_name), 'wb+') as f:
+        dir_path = os.path.join(settings.MEDIA_ROOT, *(p for p in container))
+        file_path = os.path.normpath(os.path.join(dir_path, file_name))
+        # even if we apply slugify to the file name, add more hardening
+        # to avoid any path transversal risk
+        if not file_path.startswith(str(settings.MEDIA_ROOT)):
+            return HttpResponseBadRequest()
+
+        Path(dir_path).mkdir(parents=True, exist_ok=True)
+        with open(file_path, "wb+") as f:
             for chunk in file_obj.chunks():
                 f.write(chunk)
 
-            return JsonResponse({
-                'message': 'Image uploaded successfully',
-                'location': posixpath.join(
-                    settings.MEDIA_URL,
-                    *(p for p in container),
-                    file_name
-                )
-            })
+            return JsonResponse(
+                {
+                    "message": "Image uploaded successfully",
+                    "location": posixpath.join(
+                        settings.MEDIA_URL, *(p for p in container), file_name
+                    ),
+                }
+            )

ram/roster/migrations/0010_alter_rollingstock_notes.py

@@ -1,6 +1,7 @@
 # Generated by Django 4.1 on 2022-08-23 15:54
 
-import ckeditor_uploader.fields
+# ckeditor removal
+# import ckeditor_uploader.fields
 from django.db import migrations
 
 
@@ -11,9 +12,9 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.AlterField(
-            model_name="rollingstock",
-            name="notes",
-            field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
-        ),
+        # migrations.AlterField(
+        #     model_name="rollingstock",
+        #     name="notes",
+        #     field=ckeditor_uploader.fields.RichTextUploadingField(blank=True),
+        # ),
     ]

ram/roster/migrations/0012_rollingstockjournal.py

@@ -1,6 +1,7 @@
 # Generated by Django 4.1 on 2022-08-27 12:43
 
-import ckeditor_uploader.fields
+# ckeditor removal
+# import ckeditor_uploader.fields
 from django.db import migrations, models
 import django.db.models.deletion
 
@@ -25,7 +26,8 @@ class Migration(migrations.Migration):
                     ),
                 ),
                 ("date", models.DateField()),
-                ("log", ckeditor_uploader.fields.RichTextUploadingField()),
+                # ("log", ckeditor_uploader.fields.RichTextUploadingField()),
+                ("log", models.TextField()),
                 ("private", models.BooleanField(default=False)),
                 ("creation_time", models.DateTimeField(auto_now_add=True)),
                 ("updated_time", models.DateTimeField(auto_now=True)),