Replaced config SCHEME with Flask's own PREFERRED_URL_SCHEME setting.

This prevents us from explicitly passing SCHEME to url_for() calls.

NOTE: this possibly requires an update to your config_local.py

pillar/api/file_storage/__init__.py

@@ -364,8 +364,7 @@ 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, _scheme=current_app.config['SCHEME'])
+        return url_for('file_storage.index', file_name=file_path, _external=True)
     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.
         """
@@ -73,8 +73,7 @@ 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,
-                      _scheme=current_app.config['SCHEME'])
+        url = url_for('file_storage.index', file_name=str(path), _external=True)
         return url
 
     def create_from_file(self, file_obj: FileType, *,

pillar/auth/oauth.py

@@ -74,8 +74,7 @@ class OAuthSignIn(metaclass=abc.ABCMeta):
         pass
 
     def get_callback_url(self):
-        return url_for('users.oauth_callback', provider=self.provider_name,
-                       _external=True, _scheme=current_app.config['SCHEME'])
+        return url_for('users.oauth_callback', provider=self.provider_name, _external=True)
 
     @staticmethod
     def auth_code_from_request() -> str:

pillar/config.py

@@ -12,7 +12,7 @@ import requests.certs
 RFC1123_DATE_FORMAT = '%a, %d %b %Y %H:%M:%S GMT'
 PILLAR_SERVER_ROOT = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
-SCHEME = 'https'
+PREFERRED_URL_SCHEME = 'https'
 STORAGE_DIR = getenv('PILLAR_STORAGE_DIR', '/data/storage/pillar')
 PORT = 5000
 HOST = '0.0.0.0'

pillar/web/nodes/routes.py

@@ -412,8 +412,7 @@ def edit(node_id):
             else:
                 project_update_nodes_list(node, project_id=project._id)
             return redirect(url_for('nodes.view', node_id=node_id, embed=1,
-                                    _external=True,
-                                    _scheme=current_app.config['SCHEME']))
+                                    _external=True))
         else:
             log.debug('Error sending data to Pillar, see Pillar logs.')
             error = 'Server error'