extensions/models.py

@@ -755,18 +755,12 @@ class Version(CreatedModifiedMixin, TrackChangesMixin, models.Model):
             permissions.append({'slug': slug, 'reason': reason, 'name': all_permission_names[slug]})
         return permissions
 
-    # FIXME make dependent on File or platform
+    # FIXME? make dependent on File or platform
     @property
     def download_name(self) -> str:
         """Return a file name for downloads."""
         replace_char = f'{self}'.replace('.', '-')
-        return f'{utils.slugify(replace_char)}{self.files.first().suffix}'
+        return f'{utils.slugify(replace_char)}.zip'
-
-    # FIXME make dependent on File or platform
-    @property
-    def downloadable_signed_url(self) -> str:
-        # TODO: actual signed URLs?
-        return self.files.first().source.url
 
     # FIXME make dependent on File or platform
     def download_url(self, append_repository_and_compatibility=True) -> str:

extensions/urls.py

@@ -91,6 +91,11 @@ urlpatterns = [
                     public.extension_version_download,
                     name='version-download',
                 ),
+                path(
+                    '<slug:slug>/<version>/<platform>/download/<filename>',
+                    public.extension_version_platform_download,
+                    name='version-platform-download',
+                ),
                 path(
                     '<slug:slug>/manage/versions/<int:pk>/upload/',
                     manage.UploadVersionFileView.as_view(),

extensions/views/public.py

@@ -4,6 +4,7 @@ import logging
 from django.contrib.auth import get_user_model
 from django.db import connection
 from django.db.models import Count, Q
+from django.http import Http404
 from django.shortcuts import get_object_or_404, redirect
 from django.utils.translation import gettext_lazy as _
 from django.views.generic import DetailView, ListView
@@ -52,6 +53,14 @@ class HomeView(ListedExtensionsView):
 
 
 def extension_version_download(request, type_slug, slug, version, filename):
+    """A backward-compatible shortcut for the method below.
+
+    No platform is specified, assuming only a single file for a given version.
+    """
+    return extension_version_platform_download(request, type_slug, slug, version, None, filename)
+
+
+def extension_version_platform_download(request, type_slug, slug, version, platform, filename):
     """Download an extension version and count downloads.
 
     The `filename` parameter is used to pass a file name ending with `.zip`.
@@ -61,7 +70,12 @@ def extension_version_download(request, type_slug, slug, version, filename):
     extension_version = get_object_or_404(Version, extension__slug=slug, version=version)
     ExtensionDownload.create_from_request(request, object_id=extension_version.extension_id)
     VersionDownload.create_from_request(request, object_id=extension_version.pk)
-    return redirect(extension_version.downloadable_signed_url + f'?filename={filename}')
+    for file in extension_version.files.all():
+        platforms = file.platforms() or []
+        if platform is None or platform in platforms:
+            url = file.source.url
+            return redirect(f'{url}?filename={filename}')
+    raise Http404()
 
 
 class SearchView(ListedExtensionsView):