finish up config var rename

There were some straggling references to the "field"
encryption key that are now changed to "DEK" encryption
key (including the name of the key rotation management
command).

Author: phycodurus

tom_common/apps.py

@@ -14,7 +14,7 @@ def ready(self):
         # https://docs.djangoproject.com/en/5.1/topics/signals/#connecting-receiver-functions
         import tom_common.signals  # noqa
 
-        self._check_field_encryption_key()
+        self._check_dek_encryption_key()
 
         # Set default plotly theme on startup
         valid_themes = ['plotly', 'plotly_white', 'plotly_dark', 'ggplot2', 'seaborn', 'simple_white', 'none']
@@ -26,8 +26,8 @@ def ready(self):
 
         pio.templates.default = plotly_theme
 
-    def _check_field_encryption_key(self) -> None:
-        """Verify that the field encryption master key is configured.
+    def _check_dek_encryption_key(self) -> None:
+        """Verify that the DEK encryption master key is configured.
 
         This key is required for encrypting sensitive user data (API keys,
         observatory credentials) at rest in the database. Without it, the

…/commands/rotate_field_encryption_key.py …nt/commands/rotate_dek_encryption_key.pytom_common/management/commands/rotate_field_encryption_key.py renamed to tom_common/management/commands/rotate_dek_encryption_key.py tom_common/management/commands/rotate_field_encryption_key.py renamed to tom_common/management/commands/rotate_dek_encryption_key.py

@@ -7,7 +7,7 @@
     1. Generate a new Fernet key:
          python -c "from cryptography.fernet import Fernet; print(Fernet.generate_key().decode())"
     2. Run the rotation:
-         python manage.py rotate_field_encryption_key --new-key <new_key>
+         python manage.py rotate_dek_encryption_key --new-key <new_key>
     3. Update your environment / settings.py with the new key.
     4. Restart the server.
 """

tom_setup/management/commands/tom_setup.py

@@ -214,8 +214,8 @@ def generate_secret_key(self):
         self.context['SECRET_KEY'] = get_random_secret_key()
         self.ok()
 
-    def generate_field_encryption_key(self):
-        self.status('Generating field encryption key... ')
+    def generate_dek_encryption_key(self):
+        self.status('Generating DEK encryption key... ')
         self.context['TOMTOOLKIT_DEK_ENCRYPTION_KEY'] = Fernet.generate_key().decode()
         self.ok()
 
@@ -292,7 +292,7 @@ def handle(self, *args, **options):
         self.create_custom_code_app()
         self.create_project_dirs()
         self.generate_secret_key()
-        self.generate_field_encryption_key()
+        self.generate_dek_encryption_key()
         self.get_target_type()
         self.get_hint_preference()
         self.generate_config()