tickets module: api_v2, admin views and tests
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8 changed files with 365 additions and 16 deletions
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@ -1,16 +1,43 @@
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import logging
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import aiosmtplib
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from asgiref.sync import sync_to_async
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from channels.layers import get_channel_layer
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from mail.models import Email, EventAddress
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from notify_sessions.models import SystemEvent
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from tickets.models import IssueThread, StateChange
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def make_reply(message, to, subject):
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def collect_references(issue_thread):
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mails = issue_thread.emails.order_by('timestamp')
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references = []
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for mail in mails:
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if mail.reference:
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references.append(mail.reference)
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return references
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def make_reply(reply_email, references=None, event=None, issue_thread=None):
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from email.message import EmailMessage
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from core.settings import MAIL_DOMAIN
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event = event or "noreply"
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reply = EmailMessage()
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reply["From"] = "noreply@" + MAIL_DOMAIN
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reply["To"] = to
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reply["Subject"] = subject
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reply.set_content(message)
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reply["From"] = reply_email.sender
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reply["To"] = reply_email.recipient
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reply["Subject"] = reply_email.subject
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reply["Reply-To"] = f"{event}+{issue_thread}@{MAIL_DOMAIN}"
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if reply_email.in_reply_to:
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reply["In-Reply-To"] = reply_email.in_reply_to
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if reply_email.reference:
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reply["Message-ID"] = reply_email.reference
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else:
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reply["Message-ID"] = reply_email.id + "@" + MAIL_DOMAIN
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reply_email.reference = reply["Message-ID"]
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reply_email.save()
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if references:
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reply["References"] = " ".join(references)
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reply.set_content(reply_email.body)
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return reply
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@ -20,6 +47,15 @@ async def send_smtp(message, log):
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await aiosmtplib.send(message, hostname="127.0.0.1", port=25, use_tls=False, start_tls=False)
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def find_active_issue_thread(in_reply_to, subject=None):
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reply_to = Email.objects.filter(reference=in_reply_to)
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if reply_to.exists():
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return reply_to.first().issue_thread, False
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else:
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issue = IssueThread.objects.create(name=subject)
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return issue, True
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class LMTPHandler:
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async def handle_RCPT(self, server, session, envelope, address, rcpt_options):
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from core.settings import MAIL_DOMAIN
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@ -31,6 +67,7 @@ class LMTPHandler:
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async def handle_DATA(self, server, session, envelope):
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import email
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log = logging.getLogger('mail.log')
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log.setLevel(logging.DEBUG)
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log.info('Message from %s' % envelope.mail_from)
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log.info('Message for %s' % envelope.rcpt_tos)
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log.info('Message data:\n')
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@ -54,15 +91,63 @@ class LMTPHandler:
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header_from = parsed.get('From')
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header_to = parsed.get('To')
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header_in_reply_to = parsed.get('In-Reply-To')
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header_message_id = parsed.get('Message-ID')
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if header_from != envelope.mail_from:
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log.warning("Header from does not match envelope from")
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log.info(f"Header from: {header_from}, envelope from: {envelope.mail_from}")
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if header_to != envelope.rcpt_tos[0]:
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log.warning("Header to does not match envelope to")
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log.info(f"Header to: {header_to}, envelope to: {envelope.rcpt_tos[0]}")
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recipient = envelope.rcpt_tos[0]
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sender = envelope.mail_from
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subject = parsed.get('Subject')
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target_event = None
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try:
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address_map = await sync_to_async(EventAddress.objects.get)(address=recipient)
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if address_map.event:
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target_event = address_map.event
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except EventAddress.DoesNotExist:
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pass
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active_issue_thread, new = await sync_to_async(find_active_issue_thread)(header_in_reply_to, subject)
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email = await sync_to_async(Email.objects.create)(sender=sender,
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recipient=recipient,
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body=body.decode('utf-8'),
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subject=subject,
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reference=header_message_id,
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in_reply_to=header_in_reply_to,
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raw=envelope.content.decode('utf-8'),
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event=target_event,
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issue_thread=active_issue_thread)
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log.info(f"Created email {email.id}")
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systemevent = await sync_to_async(SystemEvent.objects.create)(type='email received', reference=email.id)
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log.info(f"Created system event {systemevent.id}")
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channel_layer = get_channel_layer()
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await channel_layer.group_send(
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'general', {"type": "generic.event", "name": "send_message_to_frontend", "event_id": systemevent.id,
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"message": "email received"}
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)
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log.info(f"Sent message to frontend")
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if new:
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await sync_to_async(StateChange.objects.create)(issue_thread=active_issue_thread, state='new')
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references = await sync_to_async(collect_references)(active_issue_thread)
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reply_email = await sync_to_async(Email.objects.create)(sender=recipient, # "noreply@" + MAIL_DOMAIN,
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recipient=sender,
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body="Thank you for your message.",
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subject="Message received",
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in_reply_to=header_message_id,
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event=target_event,
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issue_thread=active_issue_thread)
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await send_smtp(make_reply(reply_email, references), log)
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log.info("Sent auto reply")
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await send_smtp(make_reply("Thank you for your message.", envelope.mail_from, 'Message received'), log)
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log.info("Sent reply")
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return '250 Message accepted for delivery'
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except Exception as e:
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log.error(e)
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