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from email.utils import parseaddr
from config.settings import relay, SPAM, CONFIRM
import logging
from lamson import view, queue
from lamson.routing import route, stateless, route_like, state_key_generator
from lamson.bounce import bounce_to
from lamson.server import SMTPError
from lamson.spam import spam_filter
from app.model import mailinglist, bounce, archive
from app.handlers import bounce
INVALID_LISTS = ["noreply", "unbounce"]
@state_key_generator
def module_and_to(module_name, message):
name, address = parseaddr(message['to'])
if '-' in address:
list_name = address.split('-')[0]
else:
list_name = address.split('@')[0]
return module_name + ':' + list_name
@route("(address)@(host)", address='.+')
def SPAMMING(message, **options):
return SPAMMING
@route('(bad_list)@(host)', bad_list='.+')
@route('(list_name)@(host)')
@route('(list_name)-subscribe@(host)')
@bounce_to(soft=bounce.BOUNCED_SOFT, hard=bounce.BOUNCED_HARD)
@spam_filter(SPAM['db'], SPAM['rc'], SPAM['queue'], next_state=SPAMMING)
def START(message, list_name=None, host=None, bad_list=None):
if bad_list:
if '-' in bad_list:
# probably put a '.' in it, try to find a similar list
similar_lists = mailinglist.similar_named_lists(bad_list.replace('-','.'))
else:
similar_lists = mailinglist.similar_named_lists(bad_list)
help = view.respond(locals(), "mail/bad_list_name.msg",
From="noreply@%(host)s",
To=message['from'],
Subject="That's not a valid list name.")
relay.deliver(help)
return START
elif list_name in INVALID_LISTS or message['from'].endswith(host):
logging.debug("LOOP MESSAGE to %r from %r.", message['to'],
message['from'])
return START
elif mailinglist.find_list(list_name):
action = "subscribe to"
CONFIRM.send(relay, list_name, message, 'mail/confirmation.msg',
locals())
return CONFIRMING_SUBSCRIBE
else:
similar_lists = mailinglist.similar_named_lists(list_name)
CONFIRM.send(relay, list_name, message, 'mail/create_confirmation.msg',
locals())
return CONFIRMING_SUBSCRIBE
@route('(list_name)-confirm-(id_number)@(host)')
def CONFIRMING_SUBSCRIBE(message, list_name=None, id_number=None, host=None):
original = CONFIRM.verify(list_name, message['from'], id_number)
if original:
mailinglist.add_subscriber(message['from'], list_name)
msg = view.respond(locals(), "mail/subscribed.msg",
From="noreply@%(host)s",
To=message['from'],
Subject="Welcome to %(list_name)s list.")
relay.deliver(msg)
CONFIRM.cancel(list_name, message['from'], id_number)
return POSTING
else:
logging.warning("Invalid confirm from %s", message['from'])
return CONFIRMING_SUBSCRIBE
@route('(list_name)-(action)@(host)', action='[a-z]+')
@route('(list_name)@(host)')
@spam_filter(SPAM['db'], SPAM['rc'], SPAM['queue'], next_state=SPAMMING)
def POSTING(message, list_name=None, action=None, host=None):
if action == 'unsubscribe':
action = "unsubscribe from"
CONFIRM.send(relay, list_name, message, 'mail/confirmation.msg',
locals())
return CONFIRMING_UNSUBSCRIBE
else:
mailinglist.post_message(relay, message, list_name, host)
# archive makes sure it gets cleaned up before archival
final_msg = mailinglist.craft_response(message, list_name,
list_name + '@' + host)
archive.enqueue(list_name, final_msg)
return POSTING
@route_like(CONFIRMING_SUBSCRIBE)
def CONFIRMING_UNSUBSCRIBE(message, list_name=None, id_number=None, host=None):
original = CONFIRM.verify(list_name, message['from'], id_number)
if original:
mailinglist.remove_subscriber(message['from'], list_name)
msg = view.respond(locals(), 'mail/unsubscribed.msg',
From="noreply@%(host)s",
To=message['from'],
Subject="You are now unsubscribed from %(list_name)s.")
relay.deliver(msg)
CONFIRM.cancel(list_name, message['from'], id_number)
return START
else:
logging.warning("Invalid unsubscribe confirm from %s", message['from'])
return CONFIRMING_UNSUBSCRIBE
@route("(address)@(host)", address=".+")
@spam_filter(SPAM['db'], SPAM['rc'], SPAM['queue'], next_state=SPAMMING)
def BOUNCING(message, address=None, host=None):
msg = view.respond(locals(), 'mail/we_have_disabled_you.msg',
From='unbounce@librelist.com',
To=message['from'],
Subject='You have bounced and are disabled.')
relay.deliver(msg)
return BOUNCING
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