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 errors = [] destinations = [] for destination in value.split(): if destination in destinations: errors.append(ValidationError( _("'%s' is already present.") % destination )) destinations.append(destination) if '@' in destination: try: EmailValidator()(destination) except ValidationError: errors.append(ValidationError( _("'%s' is not a valid email address.") % destination )) elif not Mailbox.objects.filter(name=destination).exists(): errors.append(ValidationError( _("'%s' is not an existent mailbox.") % destination )) if errors: raise ValidationError(errors) def validate_sieve(value): sieve_name = '%s.sieve' % hashlib.md5(value).hexdigest() path = os.path.join(settings.MAILBOXES_SIEVETEST_PATH, sieve_name) with open(path, 'wb') as f: f.write(value) context = { 'orchestra_root': paths.get_orchestra_dir() } sievetest = settings.MAILBOXES_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))