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Code Issues Releases Wiki Activity

Merge branch 'fix_acl' into 'dev'

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Fix acl

See merge request re2o/re2o!555
This commit is contained in:
chirac 2020-08-29 12:49:51 +02:00
commit d5cfe2edd2
12 changed files with 103 additions and 28 deletions
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2
api/acl.py
View file

@ -56,7 +56,7 @@ def _create_api_permission():
_create_api_permission()
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args:

2
cotisations/acl.py
View file

@ -28,7 +28,7 @@ Here are defined some functions to check acl on the application.
from django.utils.translation import ugettext as _
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args:

7
logs/acl.py
View file

@ -28,7 +28,7 @@ Here are defined some functions to check acl on the application.
from django.utils.translation import ugettext as _
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args:
@ -41,7 +41,6 @@ def can_view(user):
can = user.has_module_perms("admin")
return (
can,
None if can else _("You don't have the right to view this"
" application."),
"admin",
None if can else _("You don't have the right to view this" " application."),
("logs",),
)

19
logs/views.py
View file

@ -98,7 +98,13 @@ from re2o.utils import (
all_active_interfaces_count,
)
from re2o.base import re2o_paginator, SortTable
from re2o.acl import can_view_all, can_view_app, can_edit_history, can_view
from re2o.acl import (
can_view_all,
can_view_app,
can_edit_history,
can_view,
acl_error_message,
)
from .models import (
ActionsSearch,
@ -109,6 +115,8 @@ from .models import (
from .forms import ActionsSearchForm, MachineHistorySearchForm
from .acl import can_view as can_view_logs
@login_required
@can_view_app("logs")
@ -536,10 +544,11 @@ def get_history_object(request, model, object_name, object_id):
instance = None
if instance is None:
authorized = can_view_app("logs")
msg = None
authorized, msg, permissions = can_view_logs(request.user)
else:
authorized, msg, _permissions = instance.can_view(request.user)
authorized, msg, permissions = instance.can_view(request.user)
msg = acl_error_message(msg, permissions)
if not authorized:
messages.error(
@ -581,7 +590,7 @@ def history(request, application, object_name, object_id):
raise Http404(_("No model found."))
authorized, instance = get_history_object(request, model, object_name, object_id)
if not can_view:
if not authorized:
return instance
history = get_history_class(model)

5
machines/acl.py
View file

@ -28,7 +28,7 @@ Here are defined some functions to check acl on the application.
from django.utils.translation import ugettext as _
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args:
@ -41,7 +41,6 @@ def can_view(user):
can = user.has_module_perms("machines")
return (
can,
None if can else _("You don't have the right to view this"
" application."),
None if can else _("You don't have the right to view this" " application."),
("machines",),
)

5
preferences/acl.py
View file

@ -28,7 +28,7 @@ Here are defined some functions to check acl on the application.
from django.utils.translation import ugettext as _
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args:
@ -41,7 +41,6 @@ def can_view(user):
can = user.has_module_perms("preferences")
return (
can,
None if can else _("You don't have the right to view this"
" application."),
None if can else _("You don't have the right to view this" " application."),
("preferences",),
)

57
re2o/acl.py
View file

@ -57,6 +57,9 @@ def acl_error_message(msg, permissions):
)
# This is the function of main interest of this file. Almost all the decorators
# use it, and it is a fairly complicated piece of code. Let me guide you through
# this ! 🌈😸
def acl_base_decorator(method_name, *targets, on_instance=True):
"""Base decorator for acl. It checks if the `request.user` has the
permission by calling model.method_name. If the flag on_instance is True,
@ -128,22 +131,43 @@ ModelC)
where `*args` and `**kwargs` are the original view arguments.
"""
# First we define a utilitary functions. This is what parses the input of
#  the decorator. It will group a target (i.e. a model class) with a list
# of associated fields (possibly empty).
def group_targets():
"""This generator parses the targets of the decorator, yielding
2-tuples of (model, [fields]).
"""
current_target = None
current_fields = []
# We iterate over all the possible target passed in argument of the
# decorator. Let's call the `target` variable a target candidate.
# We basically want to discriminate the valid targets over the field
# names.
for target in targets:
# We enter this conditional block if the current target is not
# a string, i.e. if it is not a field name, i.e. it is a model
# name.
if not isinstance(target, str):
# if the current target is defined, this means we already
# encountered a valid target and we have been storing field
# names ever since. This group is ready and we can `yield` it.
if current_target:
yield (current_target, current_fields)
# Then we define the current target and reset its fields.
current_target = target
current_fields = []
else:
# When we encounter a string, this is not valid target and is
# thus a field name. We store it for later.
current_fields.append(target)
# We need to yield the last pair of target and fields.
yield (current_target, current_fields)
# Now to the main topic ! if you are not sure why we need to use a function
# `wrapper` inside the `decorator` function, you need to read some
#  documentation on decorators !
def decorator(view):
"""The decorator to use on a specific view
"""
@ -158,43 +182,74 @@ ModelC)
stores the instances of models in order to avoid duplicate DB
calls for the view.
"""
# When working on instances, retrieve the associated instance
# and store it to pass it to the view.
if on_instance:
try:
target = target.get_instance(target_id, *args, **kwargs)
instances.append(target)
except target.DoesNotExist:
# A non existing instance is a valid reason to deny
# access to the view.
yield False, _("Nonexistent entry."), []
return
# Now we can actually make the ACL test, using the right ACL
# method.
if hasattr(target, method_name):
can_fct = getattr(target, method_name)
yield can_fct(request.user, *args, **kwargs)
# If working on fields, iterate through the concerned ones
# and check that the user can change this field. (this is
# the only available ACL for fields)
for field in fields:
can_change_fct = getattr(target, "can_change_" + field)
yield can_change_fct(request.user, *args, **kwargs)
# Now to the main loop. We are going iterate through the targets
# pairs (remember the `group_targets` function) and the keyword
# arguments of the view to retrieve the associated model instances
# and check that the user making the request is authorized to do it
# as well as storing the the associated error and warning messages.
error_messages = []
warning_messages = []
for arg_key, (target, fields) in zip(kwargs.keys(), group_targets()):
if on_instance:
iterator = zip(kwargs.keys(), group_targets())
else:
iterator = group_targets()
for it in iterator:
# If the decorator must work on instances, retrieve the
# associated instance.
if on_instance:
arg_key, (target, fields) = it
target_id = int(kwargs[arg_key])
else:
target, fields = it
target_id = None
# Store the messages at the right place.
for can, msg, permissions in process_target(target, fields, target_id):
if not can:
error_messages.append(acl_error_message(msg, permissions))
elif msg:
warning_messages.append(acl_error_message(msg, permissions))
# Display the warning messages
if warning_messages:
for msg in warning_messages:
messages.warning(request, msg)
# If there is any error message, then the request must be denied.
if error_messages:
# We display the message
for msg in error_messages:
messages.error(
request,
msg or _("You don't have the right to access this menu."),
)
# And redirect the user to the right place.
if request.user.id is not None:
return redirect(
reverse("users:profil", kwargs={"userid": str(request.user.id)})

7
re2o/templatetags/massive_bootstrap_form.py
View file

@ -31,6 +31,7 @@ from django import template
from django.utils.safestring import mark_safe
from django.forms import TextInput
from django.forms.widgets import Select
from django.utils.translation import ugettext_lazy as _
from bootstrap3.utils import render_tag
from bootstrap3.forms import render_field
@ -244,6 +245,7 @@ class MBFForm:
self.html += mbf_field.render()
else:
f = field.get_bound_field(self.form, name), self.args, self.kwargs
self.html += render_field(
field.get_bound_field(self.form, name),
*self.args,
@ -406,7 +408,10 @@ class MBFField:
self.html += render_field(self.bound, *self.args, **self.kwargs)
self.field.widget = TextInput(
attrs={"name": "mbf_" + self.name, "placeholder": self.field.empty_label}
attrs={
"name": "mbf_" + self.name,
"placeholder": getattr(self.field, "empty_label", _("Nothing")),
}
)
self.replace_input = render_field(self.bound, *self.args, **self.kwargs)

21
re2o/utils.py
View file

@ -38,7 +38,7 @@ from __future__ import unicode_literals
from django.utils import timezone
from django.db.models import Q
from django.contrib.auth.models import Permission
from django.contrib.auth.models import Permission, Group
from cotisations.models import Cotisation, Facture, Vente
from machines.models import Interface, Machine
@ -58,11 +58,20 @@ def get_group_having_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())
if "." in 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())
else:
groups = groups.union(
Group.objects.filter(
permissions__in=Permission.objects.filter(
content_type__app_label="users"
)
).distinct()
)
return groups

2
search/acl.py
View file

@ -27,7 +27,7 @@ Here are defined some functions to check acl on the application.
"""
def can_view(_user):
def can_view(*args, **kwargs):
"""Check if an user can view the application.
Args:

2
topologie/acl.py
View file

@ -28,7 +28,7 @@ Here are defined some functions to check acl on the application.
from django.utils.translation import ugettext as _
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args:

2
users/acl.py
View file

@ -28,7 +28,7 @@ Here are defined some functions to check acl on the application.
from django.utils.translation import ugettext as _
def can_view(user):
def can_view(user, *args, **kwargs):
"""Check if an user can view the application.
Args: