django-orchestra-test/orchestra/contrib/mailboxes/models.py

179 lines
6.6 KiB
Python

import os
import re
from collections import defaultdict
from django.contrib.auth.hashers import make_password
from django.core.validators import RegexValidator, ValidationError
from django.db import models
from django.utils.functional import cached_property
from django.utils.translation import ugettext_lazy as _
from . import validators, settings
class Mailbox(models.Model):
CUSTOM = 'CUSTOM'
name = models.CharField(_("name"), unique=True, db_index=True,
max_length=settings.MAILBOXES_NAME_MAX_LENGTH,
help_text=_("Required. %s characters or fewer. Letters, digits and ./-/_ only.") %
settings.MAILBOXES_NAME_MAX_LENGTH,
validators=[
RegexValidator(r'^[\w.-]+$', _("Enter a valid mailbox name.")),
])
password = models.CharField(_("password"), max_length=128)
account = models.ForeignKey('accounts.Account', verbose_name=_("account"),
related_name='mailboxes', on_delete=models.CASCADE)
filtering = models.CharField(max_length=16,
default=settings.MAILBOXES_MAILBOX_DEFAULT_FILTERING,
choices=[(k, v[0]) for k,v in sorted(settings.MAILBOXES_MAILBOX_FILTERINGS.items())])
custom_filtering = models.TextField(_("filtering"), blank=True,
validators=[validators.validate_sieve],
help_text=_("Arbitrary email filtering in "
"<a href='https://tty1.net/blog/2011/sieve-tutorial_en.html'>sieve language</a>. "
"This overrides any automatic junk email filtering"))
is_active = models.BooleanField(_("active"), default=True)
class Meta:
verbose_name_plural = _("mailboxes")
def __str__(self):
return self.name
@cached_property
def active(self):
try:
return self.is_active and self.account.is_active
except type(self).account.field.related_model.DoesNotExist:
return self.is_active
def disable(self):
self.is_active = False
self.save(update_fields=('is_active',))
def enable(self):
self.is_active = False
self.save(update_fields=('is_active',))
def set_password(self, raw_password):
self.password = make_password(raw_password)
def get_home(self):
context = {
'name': self.name,
'username': self.name,
}
return os.path.normpath(settings.MAILBOXES_HOME % context)
def clean(self):
if self.filtering == self.CUSTOM and not self.custom_filtering:
raise ValidationError({
'custom_filtering': _("Custom filtering is selected but not provided.")
})
def get_filtering(self):
name, content = settings.MAILBOXES_MAILBOX_FILTERINGS[self.filtering]
if callable(content):
# Custom filtering
content = content(self)
return (name, content)
def get_local_address(self):
if not settings.MAILBOXES_LOCAL_DOMAIN:
raise AttributeError("Mailboxes do not have a defined local address domain.")
return '@'.join((self.name, settings.MAILBOXES_LOCAL_DOMAIN))
def get_forwards(self):
return Address.objects.filter(forward__regex=r'(^|.*\s)%s(\s.*|$)' % self.name)
def get_addresses(self):
mboxes = self.addresses.all()
forwards = self.get_forwards()
return set(mboxes).union(set(forwards))
class Address(models.Model):
name = models.CharField(_("name"), max_length=64, blank=True,
validators=[validators.validate_emailname],
help_text=_("Address name, left blank for a <i>catch-all</i> address"))
domain = models.ForeignKey(settings.MAILBOXES_DOMAIN_MODEL,
verbose_name=_("domain"), related_name='addresses', on_delete=models.CASCADE)
mailboxes = models.ManyToManyField(Mailbox, verbose_name=_("mailboxes"),
related_name='addresses', blank=True)
forward = models.CharField(_("forward"), max_length=256, blank=True,
validators=[validators.validate_forward],
help_text=_("Space separated email addresses or mailboxes"))
account = models.ForeignKey('accounts.Account', verbose_name=_("Account"),
related_name='addresses', on_delete=models.CASCADE)
class Meta:
verbose_name_plural = _("addresses")
unique_together = ('name', 'domain')
def __str__(self):
return self.email
@property
def email(self):
return "%s@%s" % (self.name, self.domain)
@cached_property
def destination(self):
destinations = list(self.mailboxes.values_list('name', flat=True))
if self.forward:
destinations += self.forward.split()
return ' '.join(destinations)
def clean(self):
errors = defaultdict(list)
local_domain = settings.MAILBOXES_LOCAL_DOMAIN
if local_domain:
forwards = self.forward.split()
for ix, forward in enumerate(forwards):
if forward.endswith('@%s' % local_domain):
name = forward.split('@')[0]
if Mailbox.objects.filter(name=name).exists():
forwards[ix] = name
self.forward = ' '.join(forwards)
if self.account_id:
for mailbox in self.get_forward_mailboxes():
if mailbox.account_id == self.account_id:
errors['forward'].append(
_("Please use mailboxes field for '%s' mailbox.") % mailbox
)
if self.domain:
for forward in self.forward.split():
if self.email == forward:
errors['forward'].append(
_("'%s' forwards to itself.") % forward
)
if errors:
raise ValidationError(errors)
def get_forward_mailboxes(self):
rm_local_domain = re.compile(r'@%s$' % settings.MAILBOXES_LOCAL_DOMAIN)
mailboxes = []
for forward in self.forward.split():
forward = rm_local_domain.sub('', forward)
if '@' not in forward:
mailboxes.append(forward)
return Mailbox.objects.filter(name__in=mailboxes)
def get_mailboxes(self):
for mailbox in self.mailboxes.all():
yield mailbox
for mailbox in self.get_forward_mailboxes():
yield mailbox
class Autoresponse(models.Model):
address = models.OneToOneField(Address, verbose_name=_("address"),
related_name='autoresponse', on_delete=models.CASCADE)
# TODO initial_date
subject = models.CharField(_("subject"), max_length=256)
message = models.TextField(_("message"))
enabled = models.BooleanField(_("enabled"), default=False)
def __str__(self):
return self.address