def _user_has_module_perms(user, app_label):
anon = user.is_anonymous()
active = user.is_active
for backend in auth.get_backends():
if (not active and not anon and backend.supports_inactive_user) or \
(not anon or backend.supports_anonymous_user):
if hasattr(backend, "has_module_perms"):
if backend.has_module_perms(user, app_label):
return True
return False
def _user_get_all_permissions(user, obj):
permissions = set()
anon = user.is_anonymous()
for backend in auth.get_backends():
if not anon or backend.supports_anonymous_user:
if hasattr(backend, "get_all_permissions"):
if obj is not None:
if backend.supports_object_permissions:
permissions.update(
backend.get_all_permissions(user, obj)
)
else:
permissions.update(backend.get_all_permissions(user))
return permissions
def _user_has_perm(user, perm, obj):
anon = user.is_anonymous()
active = user.is_active
for backend in auth.get_backends():
if (not active and not anon and backend.supports_inactive_user) or \
(not anon or backend.supports_anonymous_user):
if hasattr(backend, "has_perm"):
if obj is not None:
if (backend.supports_object_permissions and
backend.has_perm(user, perm, obj)):
return True
else:
if backend.has_perm(user, perm):
return True
return False
def get_group_permissions(self, obj=None):
"""
Returns a list of permission strings that this user has through
his/her groups. This method queries all available auth backends.
If an object is passed in, only permissions matching this object
are returned.
"""
permissions = set()
for backend in auth.get_backends():
if hasattr(backend, "get_group_permissions"):
if obj is not None:
if backend.supports_object_permissions:
permissions.update(
backend.get_group_permissions(self, obj)
)
else:
permissions.update(backend.get_group_permissions(self))
return permissions
