mirror of
https://gitea.mueller.network/extern/django-helpdesk.git
synced 2024-11-22 07:53:19 +01:00
28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
# validators.py
|
|
#
|
|
# validators for file uploads, etc.
|
|
|
|
from django.conf import settings
|
|
|
|
#TODO: can we use the builtin Django validator instead?
|
|
# see: https://docs.djangoproject.com/en/4.0/ref/validators/#fileextensionvalidator
|
|
def validate_file_extension(value):
|
|
import os
|
|
from django.core.exceptions import ValidationError
|
|
ext = os.path.splitext(value.name)[1] # [0] returns path+filename
|
|
# TODO: we might improve this with more thorough checks of file types
|
|
# rather than just the extensions.
|
|
|
|
# check if VALID_EXTENSIONS is defined in settings.py
|
|
# if not use defaults
|
|
|
|
if hasattr(settings, 'VALID_EXTENSIONS'):
|
|
valid_extensions = settings.VALID_EXTENSIONS
|
|
else:
|
|
valid_extensions = ['.txt', '.asc', '.htm', '.html', '.pdf', '.doc', '.docx', '.odt', '.jpg', '.png', '.eml']
|
|
|
|
if not ext.lower() in valid_extensions:
|
|
# TODO: one more check in case it is a file with no extension; we should always allow that?
|
|
if not (ext.lower() == '' or ext.lower() == '.'):
|
|
raise ValidationError('Unsupported file extension: %s.' % ext.lower())
|