django-orchestra/orchestra/contrib/mailboxes/validators.py

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import hashlib
import os
import re
from django.core.validators import ValidationError, EmailValidator
from django.utils.translation import gettext_lazy as _
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from orchestra.utils import paths
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from orchestra.utils.sys import run
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from . import settings
def validate_emailname(value):
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msg = _("'%s' is not a correct email name." % value)
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if '@' in value:
raise ValidationError(msg)
value += '@localhost'
try:
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EmailValidator()(value)
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except ValidationError:
raise ValidationError(msg)
def validate_forward(value):
""" space separated mailboxes or emails """
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from .models import Mailbox
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errors = []
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destinations = []
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for destination in value.split():
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if destination in destinations:
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errors.append(ValidationError(
_("'%s' is already present.") % destination
))
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destinations.append(destination)
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if '@' in destination:
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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)
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def validate_sieve(value):
sieve_name = '%s.sieve' % hashlib.md5(value.encode('utf8')).hexdigest()
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test_path = os.path.join(settings.MAILBOXES_SIEVETEST_PATH, sieve_name)
with open(test_path, 'w') as f:
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f.write(value)
context = {
'orchestra_root': paths.get_orchestra_dir()
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}
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sievetest = settings.MAILBOXES_SIEVETEST_BIN_PATH % context
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try:
test = run(' '.join([sievetest, test_path, '/dev/null']), silent=True)
finally:
os.unlink(test_path)
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if test.exit_code:
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errors = []
for line in test.stderr.decode('utf8').splitlines():
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error = re.match(r'^.*(line\s+[0-9]+:.*)', line)
if error:
errors += error.groups()
raise ValidationError(' '.join(errors))