Files
modoboa/extensions/limits/controls.py
T
2012-02-01 17:46:58 +01:00

117 lines
3.3 KiB
Python

# coding: utf-8
"""
:mod:`controls` --- provides event handlers that check if limits are reached
----------------------------------------------------------------------------
"""
from modoboa.admin.models import Mailbox
from modoboa.admin.lib import \
get_object_owner, grant_access_to_object, \
ungrant_access_to_object
from modoboa.lib import events
from lib import *
from models import *
def check_limit(user, lname):
"""Check if a user has reached a defined limit
We check if the user will not reach the given limit after this
creation.
Raise a ``LimitReached`` exception if the limit is reached.
:param user: a ``User`` object
"""
try:
if user.limitspool.will_be_reached(lname):
raise LimitReached(user.limitspool.get_limit(lname))
except LimitsPool.DoesNotExist:
pass
def inc_limit(user, lname):
try:
user.limitspool.inc_curvalue(lname)
except LimitsPool.DoesNotExist:
pass
def dec_limit(user, lname):
try:
user.limitspool.dec_curvalue(lname)
except LimitsPool.DoesNotExist:
pass
@events.observe('CreateDomain')
def inc_nb_domains(user, domain):
inc_limit(user, 'domains_limit')
@events.observe('DeleteDomain')
def dec_nb_domains(domain):
owner = get_object_owner(domain)
dec_limit(owner, 'domains_limit')
for domalias in domain.domainalias_set.all():
dec_nb_domaliases(domalias)
for mailbox in domain.mailbox_set.all():
dec_nb_mailboxes(mailbox)
for mbalias in domain.alias_set.all():
dec_nb_mbaliases(mbalias)
@events.observe('DomainAliasCreated')
def inc_nb_domaliases(user, domalias):
inc_limit(user, 'domain_aliases_limit')
@events.observe('DomainAliasDeleted')
def dec_nb_domaliases(domainalias):
owner = get_object_owner(domainalias)
dec_limit(owner, 'domain_aliases_limit')
@events.observe('CreateMailbox')
def inc_nb_mailboxes(user, mailbox):
inc_limit(user, 'mailboxes_limit')
@events.observe('DeleteMailbox')
def dec_nb_mailboxes(mailbox):
owner = get_object_owner(mailbox)
dec_limit(owner, 'mailboxes_limit')
@events.observe('MailboxAliasCreated')
def inc_nb_mbaliases(user, mailboxalias):
inc_limit(user, 'mailbox_aliases_limit')
@events.observe('MailboxAliasDeleted')
def dec_nb_mbaliases(mailboxalias):
owner = get_object_owner(mailboxalias)
dec_limit(owner, 'mailbox_aliases_limit')
@events.observe('CanCreate')
def can_create_new_object(user, objtype):
check_limit(user, '%s_limit' % objtype)
@events.observe("DomainAdminCreated")
def create_pool(user):
owner = get_object_owner(user)
inc_limit(owner, 'domain_admins_limit')
p = LimitsPool(user=user)
p.save()
p.create_limits()
@events.observe("DomainAdminDeleted", "SuperAdminPromotion")
def move_pool_resource(user):
owner = get_object_owner(user)
if not owner.is_superuser:
dec_limit(owner, 'domain_admins_limit')
for ooentry in user.objectaccess_set.all():
if ooentry.is_owner:
grant_access_to_object(owner, ooentry.content_object, True)
ooentry.delete()
for lname in reseller_limits_tpl:
l = user.limitspool.get_limit(lname)
ol = owner.limitspool.get_limit(lname)
ol.curvalue += l.curvalue
ol.maxvalue += l.maxvalue
ol.save()
user.limitspool.delete()