Files
modoboa/lib/permissions.py
T
Antoine Nguyen a295aa1ab6 wip: Global user interface improvment
* Use of jQuery in place of Mootools
* Most of the custom mootools plugins have been ported to jQuery
* Use of bootstrap from Twitter in place of the old CSS
* Most of the admin templates have been reworked
* The sievefilters extension has been ported
* The postfix autoreply extension is almost done
* more...

see #204
2012-03-19 15:13:01 +01:00

119 lines
3.9 KiB
Python

# coding: utf-8
from functools import wraps
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import ugettext as _
from modoboa.admin.models import ObjectAccess
import events
def get_content_type(obj):
"""Simple function that use the right method to retrieve a content type
:param obj: a django model
:return: a ``ContentType`` object
"""
return obj.get_content_type() if hasattr(obj, "get_content_type") \
else ContentType.objects.get_for_model(obj)
def get_account_roles(user):
"""Return the list of supported account roles
This list can be extended by extensions which listen to the
``GetExtraRoles`` event.
:return: list of strings
"""
std_roles = [("SimpleUsers", _("Simple user"))]
if user.is_superuser:
std_roles += [("SuperAdmins", _("Super administrator"))]
if user.has_perm("admin.add_domain"):
std_roles += [("DomainAdmins", _("Domain administrator"))]
std_roles += events.raiseQueryEvent("GetExtraRoles", user)
return sorted(std_roles, key=lambda role: role[1])
def grant_access_to_object(user, obj, is_owner=False):
"""Grant access to an object for a given user
There are two different cases where we want to grant access to an
object for a specific user:
* He is the owner (he's just created the object)
* He is going to administrate the object (but he is not the owner)
:param user: a ``User`` object
:param obj: an admin. object (Domain, Mailbox, ...)
:param is_owner: the user is the unique object's owner
"""
ct = get_content_type(obj)
try:
entry = user.objectaccess_set.get(content_type=ct, object_id=obj.id)
entry.is_owner = is_owner
entry.save()
except ObjectAccess.DoesNotExist:
pass
else:
return
try:
objaccess = ObjectAccess(user=user, content_type=ct,
object_id=obj.id, is_owner=is_owner)
objaccess.save()
except IntegrityError, e:
raise AdminError(_("Failed to grant access (%s)" % str(e)))
def ungrant_access_to_object(obj, user=None):
"""Ungrant access to an object for a specific user
If no user is provided, all entries referencing this object are
deleted from the database.
:param obj: an object inheriting from ``models.Model``
:param user: a ``User`` object
"""
ct = get_content_type(obj)
if user:
try:
ObjectAccess.objects.get(user=user, content_type=ct, object_id=obj.id).delete()
except ObjectAccess.DoesNotExist:
pass
else:
ObjectAccess.objects.filter(content_type=ct, object_id=obj.id).delete()
def get_object_owner(obj):
"""Return the unique owner of this object
:param obj: an object inheriting from ``model.Model``
:return: a ``User`` object
"""
ct = get_content_type(obj)
try:
entry = ObjectAccess.objects.get(content_type=ct, object_id=obj.id, is_owner=True)
except ObjectAccess.DoesNotExist:
return None
return entry.user
def check_domain_access(f):
"""Decorator to check if the current user can access a domain
This decorator only applies to url that contain a 'domid' or
'mbid' parameter. (for a direct access)
Raise a ``PermDeniedError`` if the current user can't view the
requested object.
"""
@wraps(f)
def dec(request, **kwargs):
if not request.user.is_superuser:
domain = None
domid = request.GET.get("domid", None)
if domid:
domain = Domain.objects.get(pk=domid)
else:
mbid = request.GET.get("mbid", None)
if mbid:
domain = Mailbox.objects.get(pk=mbid).domain
if domain and not request.user.can_access(domain):
raise PermDeniedError(_("You can't access this domain"))
return f(request, **kwargs)
return dec