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Allow (un)subscribing by mailing ~u/t[/1]/[un]subscribe

This commit is contained in:
наб 2020-07-20 18:51:53 +02:00 committed by Bitbake Tester
parent 4270950afe
commit b7b5abb83a
1 changed files with 106 additions and 16 deletions
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122
todosrht-lmtp
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@ -10,7 +10,7 @@ from email.utils import parseaddr
from grp import getgrnam
from todosrht.access import get_tracker, get_ticket
from todosrht.types import TicketAccess, TicketResolution, Tracker, Ticket, User
from todosrht.types import Label, TicketLabel, Event, EventType, ParticipantType
from todosrht.types import Label, TicketLabel, TicketSubscription, Event, EventType, ParticipantType
from todosrht.tickets import add_comment, get_participant_for_email, submit_ticket
from todosrht.webhooks import UserWebhook, TrackerWebhook, TicketWebhook
from srht.validation import Validation
@ -28,16 +28,28 @@ class MailHandler:
def lookup_destination(self, address, sender):
# Address formats are:
# Tracker (opening a new ticket):
# ~username/tracker@todo.sr.ht
# or (for shitty MTAs):
# u.username.tracker@todo.sr.ht
# ~username/tracker@todo.sr.ht
# or (for shitty MTAs):
# u.username.tracker@todo.sr.ht
# Ticket (participating in dicsussion):
# ~username/tracker/1234@todo.sr.ht
# or (for shitty MTAs):
# u.username.tracker.1234@todo.sr.ht
# ~username/tracker/1234@todo.sr.ht
# or (for shitty MTAs):
# u.username.tracker.1234@todo.sr.ht
# Tracker (un)subscribe:
# ~username/tracker/subscribe@todo.sr.ht
# ~username/tracker/unsubscribe@todo.sr.ht
# or (for shitty MTAs):
# u.username.tracker.subscribe@todo.sr.ht
# u.username.tracker.unsubscribe@todo.sr.ht
# Ticket (un)subscribe:
# ~username/tracker/1234/subscribe@todo.sr.ht
# ~username/tracker/1234/unsubscribe@todo.sr.ht
# or (for shitty MTAs):
# u.username.tracker.1234.subscribe@todo.sr.ht
# u.username.tracker.1234.unsubscribe@todo.sr.ht
address = address[:address.rfind("@")]
# TODO: Subscribe to trackers & tickets via email
ticket_id = None
sub_action = None
if address.startswith("~"):
# TODO: user groups
parts = address.split("/")
@ -48,9 +60,28 @@ class MailHandler:
try:
ticket_id = int(ticket_id)
except:
return None, None
sub_action = ticket_id
ticket_id = None
if sub_action == "subscribe":
sub_action = True
elif sub_action == "unsubscribe":
sub_action = False
else:
return None, None, None
elif len(parts) == 4:
owner, tracker_name, ticket_id, sub_action = parts
try:
ticket_id = int(ticket_id)
except:
return None, None, None
if sub_action == "subscribe":
sub_action = True
elif sub_action == "unsubscribe":
sub_action = False
else:
return None, None, None
else:
return None, None
return None, None, None
else:
address = address.split(".")
if len(address) == 3:
@ -60,20 +91,39 @@ class MailHandler:
try:
ticket_id = int(ticket_id)
except:
return None, None
sub_action = ticket_id
ticket_id = None
if sub_action == "subscribe":
sub_action = True
elif sub_action == "unsubscribe":
sub_action = False
else:
return None, None, None
elif len(address) == 5:
prefix, owner, tracker_name, ticket_id, sub_action = address
try:
ticket_id = int(ticket_id)
except:
return None, None, None
if sub_action == "subscribe":
sub_action = True
elif sub_action == "unsubscribe":
sub_action = False
else:
return None, None, None
else:
return None, None
return None, None, None
if prefix == "u":
owner = "~" + owner
else:
# TODO: user groups
return None, None
return None, None, None
# TODO: ACLs for email participants
tracker, access = get_tracker(owner, tracker_name, user=sender.user)
if not ticket_id:
return tracker, access
return tracker, sub_action, access
ticket, access = get_ticket(tracker, ticket_id, user=sender.user)
return ticket, access
return ticket, sub_action, access
async def handle_RCPT(self, server, session,
envelope, address, rcpt_options):
@ -212,11 +262,14 @@ class MailHandler:
name, sender_addr = parseaddr(mail["From"])
sender = get_participant_for_email(sender_addr, name)
dest, access = self.lookup_destination(address, sender)
dest, sub_action, access = self.lookup_destination(address, sender)
if dest is None:
print("Rejected, destination not found")
return "550 The tracker or ticket you requested does not exist."
if sub_action is not None:
return await self.handle_un_subscription(dest, sender, sub_action)
body = None
for part in mail.walk():
if part.is_multipart():
@ -242,6 +295,43 @@ class MailHandler:
else:
assert False
async def handle_un_subscription(self, dest, participant, do_subscribe):
if isinstance(dest, Tracker):
tracker_id = dest.id
ticket_id = None
elif isinstance(dest, Ticket):
tracker_id = None
ticket_id = dest.id
else:
assert False
sub = (TicketSubscription.query
.filter(TicketSubscription.tracker_id == tracker_id)
.filter(TicketSubscription.ticket_id == ticket_id)
.filter(TicketSubscription.participant_id == participant.id)
).one_or_none()
if sub:
if do_subscribe:
return "250 Already subscribed"
db.session.delete(sub)
else:
if not do_subscribe:
return "250 Not subscribed"
sub = TicketSubscription()
sub.tracker_id = tracker_id
sub.ticket_id = ticket_id
sub.participant_id = participant.id
db.session.add(sub)
db.session.commit()
if do_subscribe:
print(f"Subscribed to {dest.ref()}")
return "250 Subscribed"
else:
print(f"Unsubscribed from {dest.ref()}")
return "250 Unsubscribed"
async def create_server():
sock_gid = getgrnam(cfg("todo.sr.ht::mail", "sock-group")).gr_gid
handler = MailHandler()