django1/django/contrib/auth/decorators.py

40 lines
1.4 KiB
Python

from django.contrib.auth import REDIRECT_FIELD_NAME
from django.http import HttpResponseRedirect
from urllib import quote
def user_passes_test(test_func, login_url=None):
"""
Decorator for views that checks that the user passes the given test,
redirecting to the log-in page if necessary. The test should be a callable
that takes the user object and returns True if the user passes.
"""
if not login_url:
from django.conf import settings
login_url = settings.LOGIN_URL
def _dec(view_func):
def _checklogin(request, *args, **kwargs):
if test_func(request.user):
return view_func(request, *args, **kwargs)
return HttpResponseRedirect('%s?%s=%s' % (login_url, REDIRECT_FIELD_NAME, quote(request.get_full_path())))
_checklogin.__doc__ = view_func.__doc__
_checklogin.__dict__ = view_func.__dict__
return _checklogin
return _dec
login_required = user_passes_test(lambda u: u.is_authenticated())
login_required.__doc__ = (
"""
Decorator for views that checks that the user is logged in, redirecting
to the log-in page if necessary.
"""
)
def permission_required(perm, login_url=None):
"""
Decorator for views that checks whether a user has a particular permission
enabled, redirecting to the log-in page if necessary.
"""
return user_passes_test(lambda u: u.has_perm(perm), login_url=login_url)