import hashlib import os import re from django.core.management.base import CommandError from django.core.validators import ValidationError, EmailValidator from django.utils.translation import ugettext_lazy as _ from orchestra.utils import paths from orchestra.utils.system import run from . import settings def validate_emailname(value): msg = _("'%s' is not a correct email name" % value) if '@' in value: raise ValidationError(msg) value += '@localhost' try: EmailValidator(value) except ValidationError: raise ValidationError(msg) def validate_forward(value): """ space separated mailboxes or emails """ from .models import Mailbox for destination in value.split(): msg = _("'%s' is not an existent mailbox" % destination) if '@' in destination: if not destination[-1].isalpha(): raise ValidationError(msg) EmailValidator(destination) else: if not Mailbox.objects.filter(user__username=destination).exists(): raise ValidationError(msg) validate_emailname(destination) def validate_sieve(value): sieve_name = '%s.sieve' % hashlib.md5(value).hexdigest() path = os.path.join(settings.MAILS_SIEVETEST_PATH, sieve_name) with open(path, 'wb') as f: f.write(value) context = { 'orchestra_root': paths.get_orchestra_root() } sievetest = settings.MAILS_SIEVETEST_BIN_PATH % context try: test = run(' '.join([sievetest, path, '/dev/null']), display=False) except CommandError: errors = [] for line in test.stderr.splitlines(): error = re.match(r'^.*(line\s+[0-9]+:.*)', line) if error: errors += error.groups() raise ValidationError(' '.join(errors))