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Code Issues Releases Wiki Activity

helpful acl messages structure

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This commit is contained in:
Hugo Levy-Falk 2019-09-06 01:08:53 +02:00
parent 0f063bd187
commit eaf9609024
2 changed files with 42 additions and 9 deletions
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40
re2o/acl.py
View file

@ -36,6 +36,22 @@ from django.shortcuts import redirect
from django.urls import reverse
from django.utils.translation import ugettext as _
from re2o.utils import get_group_having_permission
def group_list(permissions):
"""Create a string listing every groups having one of the given
`permissions`."""
if permissions:
return ", ".join([
g.name for g in get_group_having_permission(*permissions)
]) or "No group have the %s permission(s) !" % " or ".join([
",".join(permissions[:-1]),
permissions[-1]] if len(permissions) > 2 else permissions
)
else:
return ""
def acl_base_decorator(method_name, *targets, on_instance=True):
"""Base decorator for acl. It checks if the `request.user` has the
@ -53,9 +69,10 @@ def acl_base_decorator(method_name, *targets, on_instance=True):
then no error will be triggered, the decorator will act as if
permission was granted. This is to allow you to run ACL tests on
fields only. If the method exists, it has to return a 2-tuple
`(can, reason)` with `can` being a boolean stating whether the
access is granted and `reason` a message to be displayed if `can`
equals `False` (can be `None`)
`(can, reason, permissions)` with `can` being a boolean stating
whether the access is granted, `reason` a message to be
displayed if `can` equals `False` (can be `None`) and `permissions`
a list of permissions needed for access (can be `None`).
*targets: The targets. Targets are specified like a sequence of models
and fields names. As an example
```
@ -139,7 +156,7 @@ ModelC)
target = target.get_instance(*args, **kwargs)
instances.append(target)
except target.DoesNotExist:
yield False, _("Nonexistent entry.")
yield False, _("Nonexistent entry."), []
return
if hasattr(target, method_name):
can_fct = getattr(target, method_name)
@ -148,11 +165,16 @@ ModelC)
can_change_fct = getattr(target, 'can_change_' + field)
yield can_change_fct(request.user, *args, **kwargs)
error_messages = [
x[1] for x in chain.from_iterable(
process_target(x[0], x[1]) for x in group_targets()
) if not x[0]
]
error_messages = []
for target, fields in group_targets():
for can, msg, permissions in process_target(target, fields):
if not can:
error_messages.append(
msg + _(
" You need to be a member of one of those"
" groups : %s"
) % group_list(permissions)
)
if error_messages:
for msg in error_messages:
messages.error(

11
re2o/utils.py
View file

@ -38,12 +38,23 @@ from __future__ import unicode_literals
from django.utils import timezone
from django.db.models import Q
from django.contrib.auth.models import Permission
from cotisations.models import Cotisation, Facture, Vente
from machines.models import Interface, Machine
from users.models import Adherent, User, Ban, Whitelist
from preferences.models import AssoOption
def get_group_having_permission(*permission_name):
"""Returns every group having the permission `permission_name`
"""
groups = set()
for name in permission_name:
app_label, codename = name.split('.')
permission = Permission.objects.get(content_type__app_label=app_label, codename=codename)
groups = groups.union(permission.group_set.all())
return groups
def all_adherent(search_time=None, including_asso=True):
""" Fonction renvoyant tous les users adherents. Optimisee pour n'est
qu'une seule requete sql