161 lines
5.4 KiB
Python
161 lines
5.4 KiB
Python
import os
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from django.utils import timezone
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from django.utils.translation import ugettext_lazy as _
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from orchestra.apps.orchestration import ServiceController
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from orchestra.apps.resources import ServiceMonitor
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from . import settings
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from .models import Address
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class MailSystemUserBackend(ServiceController):
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verbose_name = _("Mail system user")
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model = 'mails.Mailbox'
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# TODO related_models = ('resources__content_type') ??
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DEFAULT_GROUP = 'postfix'
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def create_user(self, context):
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self.append(
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"if [[ $( id %(username)s ) ]]; then \n"
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" usermod -p '%(password)s' %(username)s \n"
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"else \n"
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" useradd %(username)s --password '%(password)s' \\\n"
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" --shell /dev/null \n"
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"fi" % context
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)
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self.append("mkdir -p %(home)s" % context)
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self.append("chown %(username)s.%(group)s %(home)s" % context)
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def generate_filter(self, mailbox, context):
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now = timezone.now().strftime("%B %d, %Y, %H:%M")
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context['filtering'] = (
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"# Sieve Filter\n"
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"# Generated by Orchestra %s\n\n" % now
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)
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if mailbox.use_custom_filtering:
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context['filtering'] += mailbox.custom_filtering
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else:
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context['filtering'] += settings.EMAILS_DEFAUL_FILTERING
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context['filter_path'] = os.path.join(context['home'], '.orchestra.sieve')
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self.append("echo '%(filtering)s' > %(filter_path)s" % context)
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def save(self, mailbox):
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context = self.get_context(mailbox)
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self.create_user(context)
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self.generate_filter(mailbox, context)
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def delete(self, mailbox):
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context = self.get_context(mailbox)
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self.append("{ sleep 2 && killall -u %(username)s -s KILL; } &" % context)
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self.append("killall -u %(username)s" % context)
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self.append("userdel %(username)s" % context)
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self.append("rm -fr %(home)s" % context)
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def get_context(self, mailbox):
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context = {
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'name': mailbox.nam,
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'username': mailbox.name,
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'password': mailbox.password if mailbox.is_active else '*%s' % mailbox.password,
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'group': self.DEFAULT_GROUP
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}
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context['home'] = settings.EMAILS_HOME % context
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return context
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class PostfixAddressBackend(ServiceController):
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verbose_name = _("Postfix address")
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model = 'mails.Address'
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def include_virtdomain(self, context):
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self.append(
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'[[ $(grep "^\s*%(domain)s\s*$" %(virtdomains)s) ]]'
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' || { echo "%(domain)s" >> %(virtdomains)s; UPDATED=1; }' % context
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)
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def exclude_virtdomain(self, context):
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domain = context['domain']
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if not Address.objects.filter(domain=domain).exists():
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self.append('sed -i "s/^%(domain)s//" %(virtdomains)s' % context)
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def update_virtusertable(self, context):
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self.append(
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'LINE="%(email)s\t%(destination)s"\n'
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'if [[ ! $(grep "^%(email)s\s" %(virtusertable)s) ]]; then\n'
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' echo "$LINE" >> %(virtusertable)s\n'
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' UPDATED=1\n'
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'else\n'
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' if [[ ! $(grep "^${LINE}$" %(virtusertable)s) ]]; then\n'
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' sed -i "s/^%(email)s\s.*$/${LINE}/" %(virtusertable)s\n'
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' UPDATED=1\n'
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' fi\n'
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'fi' % context
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)
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def exclude_virtusertable(self, context):
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self.append(
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'if [[ $(grep "^%(email)s\s") ]]; then\n'
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' sed -i "s/^%(email)s\s.*$//" %(virtusertable)s\n'
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' UPDATED=1\n'
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'fi'
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)
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def save(self, address):
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context = self.get_context(address)
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self.include_virtdomain(context)
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self.update_virtusertable(context)
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def delete(self, address):
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context = self.get_context(address)
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self.exclude_virtdomain(context)
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self.exclude_virtusertable(context)
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def commit(self):
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context = self.get_context_files()
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self.append('[[ $UPDATED == 1 ]] && { '
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'postmap %(virtdomains)s;'
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'postmap %(virtusertable)s;'
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'}' % context)
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def get_context_files(self):
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return {
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'virtdomains': settings.EMAILS_VIRTDOMAINS_PATH,
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'virtusertable': settings.EMAILS_VIRTUSERTABLE_PATH,
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}
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def get_context(self, address):
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context = self.get_context_files()
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context.update({
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'domain': address.domain,
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'email': address.email,
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'destination': address.destination,
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})
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return context
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class AutoresponseBackend(ServiceController):
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verbose_name = _("Mail autoresponse")
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model = 'mail.Autoresponse'
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class MaildirDisk(ServiceMonitor):
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model = 'mails.Mailbox'
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resource = ServiceMonitor.DISK
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verbose_name = _("Maildir disk usage")
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def monitor(self, mailbox):
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context = self.get_context(mailbox)
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self.append(
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"SIZE=$(sed -n '2p' %(maildir_path)s | cut -d' ' -f1)\n"
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"echo %(object_id)s ${SIZE:-0}" % context
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)
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def get_context(self, mailbox):
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context = MailSystemUserBackend().get_context(mailbox)
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context['home'] = settings.EMAILS_HOME % context
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context['maildir_path'] = os.path.join(context['home'], 'Maildir/maildirsize')
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context['object_id'] = mailbox.pk
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return context
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