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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)