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50 lines
1.6 KiB
50 lines
1.6 KiB
import asyncore
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import re
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from smtpd import SMTPServer
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from django.core.management.base import BaseCommand
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from hc.api.models import Check
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RE_UUID = re.compile("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[8|9|aA|bB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}$")
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class Listener(SMTPServer):
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def __init__(self, localaddr, stdout):
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self.stdout = stdout
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super(Listener, self).__init__(localaddr, None)
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def process_message(self, peer, mailfrom, rcpttos, data):
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to_parts = rcpttos[0].split("@")
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code = to_parts[0]
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if not RE_UUID.match(code):
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self.stdout.write("Not an UUID: %s" % code)
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return
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try:
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check = Check.objects.get(code=code)
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except Check.DoesNotExist:
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self.stdout.write("Check not found: %s" % code)
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return
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ua = "Email from %s" % mailfrom
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check.ping(peer[0], "email", "", ua, data)
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self.stdout.write("Processed ping for %s" % code)
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class Command(BaseCommand):
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help = "Listen for ping emails"
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def add_arguments(self, parser):
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parser.add_argument("--host",
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help="ip address to listen on, default 0.0.0.0",
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default="0.0.0.0")
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parser.add_argument('--port',
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help="port to listen on, default 25",
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type=int,
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default=25)
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def handle(self, host, port, *args, **options):
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listener = Listener((host, port), self.stdout)
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print("Starting SMTP listener on %s:%d ..." % (host, port))
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asyncore.loop()
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