54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
try:
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from functools import update_wrapper, wraps
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except ImportError:
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from django.utils.functional import update_wrapper, wraps # Python 2.4 fallback.
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from django.contrib.auth import REDIRECT_FIELD_NAME
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from django.http import HttpResponseRedirect
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from django.utils.decorators import available_attrs
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from django.utils.http import urlquote
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def user_passes_test(test_func, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME):
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"""
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Decorator for views that checks that the user passes the given test,
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redirecting to the log-in page if necessary. The test should be a callable
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that takes the user object and returns True if the user passes.
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"""
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if not login_url:
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from django.conf import settings
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login_url = settings.LOGIN_URL
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def decorator(view_func):
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def _wrapped_view(request, *args, **kwargs):
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if test_func(request.user):
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return view_func(request, *args, **kwargs)
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path = urlquote(request.get_full_path())
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tup = login_url, redirect_field_name, path
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return HttpResponseRedirect('%s?%s=%s' % tup)
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return wraps(view_func, assigned=available_attrs(view_func))(_wrapped_view)
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return decorator
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def login_required(function=None, redirect_field_name=REDIRECT_FIELD_NAME, login_url=None):
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"""
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Decorator for views that checks that the user is logged in, redirecting
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to the log-in page if necessary.
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"""
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actual_decorator = user_passes_test(
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lambda u: u.is_authenticated(),
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login_url=login_url,
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redirect_field_name=redirect_field_name
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)
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if function:
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return actual_decorator(function)
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return actual_decorator
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def permission_required(perm, login_url=None):
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"""
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Decorator for views that checks whether a user has a particular permission
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enabled, redirecting to the log-in page if necessary.
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"""
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return user_passes_test(lambda u: u.has_perm(perm), login_url=login_url)
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