Revert "Replaced config SCHEME with Flask's own PREFERRED_URL_SCHEME setting."

This reverts commit 8318d4b1f6.

pillar/api/file_storage/__init__.py

@@ -364,7 +364,8 @@ def generate_link(backend, file_path: str, project_id=None, is_public=False) ->
         return blob.get_url(is_public=is_public)
 
     if backend == 'pillar':
-        return url_for('file_storage.index', file_name=file_path, _external=True)
+        return url_for('file_storage.index', file_name=file_path,
+                       _external=True, _scheme=current_app.config['SCHEME'])
     if backend == 'cdnsun':
         return hash_file_path(file_path, None)
     if backend == 'unittest':

pillar/api/file_storage_backends/local.py

@@ -34,7 +34,7 @@ class LocalBucket(Bucket):
 
     def copy_blob(self, blob: Blob, to_bucket: Bucket):
         """Copies a blob from the current bucket to the other bucket.
-
+        
         Implementations only need to support copying between buckets of the
         same storage backend.
         """
@@ -73,7 +73,8 @@ class LocalBlob(Blob):
         from flask import url_for
 
         path = self.bucket.bucket_path / self.partial_path
-        url = url_for('file_storage.index', file_name=str(path), _external=True)
+        url = url_for('file_storage.index', file_name=str(path), _external=True,
+                      _scheme=current_app.config['SCHEME'])
         return url
 
     def create_from_file(self, file_obj: FileType, *,