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"""Radicale signals handlers."""
try:
from secrets import token_hex
except ImportError:
from os import urandom
def token_hex(nbytes=None):
return urandom(nbytes).hex()
from django.db.models import signals
from django.urls import reverse
from django.dispatch import receiver
from django.utils.translation import ugettext as _
from modoboa.core import signals as core_signals
from . import models
PERMISSIONS = [
("modoboa_radicale", "usercalendar", "add_usercalendar"),
("modoboa_radicale", "usercalendar", "change_usercalendar"),
("modoboa_radicale", "usercalendar", "delete_usercalendar"),
("modoboa_radicale", "sharedcalendar", "add_sharedcalendar"),
("modoboa_radicale", "sharedcalendar", "change_sharedcalendar"),
("modoboa_radicale", "sharedcalendar", "delete_sharedcalendar")
]
ROLES_PERMISSIONS = {
"DomainAdmins": PERMISSIONS,
"Resellers": PERMISSIONS,
"SimpleUsers": [
("modoboa_radicale", "usercalendar", "add_usercalendar"),
("modoboa_radicale", "usercalendar", "change_usercalendar"),
("modoboa_radicale", "usercalendar", "delete_usercalendar"),
]
}
@receiver(core_signals.extra_role_permissions)
def extra_permissions(sender, role, **kwargs):
"""Extra permissions."""
return ROLES_PERMISSIONS.get(role, [])
@receiver(core_signals.extra_user_menu_entries)
def top_menu(sender, location, user, **kwargs):
"""Add extra menu entries."""
if location == "top_menu" and hasattr(user, "mailbox"):
return [
{"name": "radicale",
"label": _("Calendars"),
"url": reverse("modoboa_radicale:calendar_detail_view")}
]
return []
@receiver(signals.pre_save, sender=models.UserCalendar)
def set_user_calendar_path(sender, instance, **kwargs):
"""Set path at creation."""
if instance.pk:
return
instance._path = "{}/{}".format(
instance.mailbox.full_address, instance.name)
if not instance.access_token:
instance.access_token = token_hex(16)
@receiver(signals.pre_save, sender=models.SharedCalendar)
def set_shared_calendar_path(sender, instance, **kwargs):
"""Set path at creation."""
if instance.pk:
return
instance._path = "{}/{}".format(instance.domain.name, instance.name)
if not instance.access_token:
instance.access_token = token_hex(16)