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bfa9b2a105
Basically, user generated email (bug report form) will be sent to the mail frontends for antispam. Any errors generated there will be ignored and the mails "dropped on the floor". Other emails keep entering the system through localhost and delivered there.
57 lines
1.9 KiB
Python
Executable File
57 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Script to send off all queued email.
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#
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# This script is intended to be run frequently from cron. We queue things
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# up in the db so that they get automatically rolled back as necessary,
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# but once we reach this point we're just going to send all of them one
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# by one.
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#
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import sys
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import os
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import smtplib
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# Set up to run in django environment
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from django.core.management import setup_environ
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sys.path.append(os.path.join(os.path.abspath(os.path.dirname(sys.argv[0])), '../../pgweb'))
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import settings
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setup_environ(settings)
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from django.db import connection, transaction
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from pgweb.mailqueue.models import QueuedMail
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if __name__ == "__main__":
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# Grab advisory lock, if available. Lock id is just a random number
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# since we only need to interlock against ourselves. The lock is
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# automatically released when we're done.
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curs = connection.cursor()
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curs.execute("SELECT pg_try_advisory_lock(2896780)")
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if not curs.fetchall()[0][0]:
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print "Failed to get advisory lock, existing send_queued_mail process stuck?"
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sys.exit(1)
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for m in QueuedMail.objects.all():
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# Yes, we do a new connection for each run. Just because we can.
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# If it fails we'll throw an exception and just come back on the
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# next cron job. And local delivery should never fail...
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if m.usergenerated:
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# User generated email gets relayed directly over a frontend
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smtphost = settings.FRONTEND_SMTP_RELAY
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else:
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smtphost = 'localhost'
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smtp = smtplib.SMTP(smtphost)
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try:
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smtp.sendmail(m.sender, m.receiver, m.fullmsg.encode('utf-8'))
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except (smtplib.SMTPSenderRefused, smtplib.SMTPRecipientsRefused, smtplib.SMTPDataError):
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# If this was user generated, this indicates the antispam
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# kicking in, so we just ignore it. If it's anything else,
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# we want to let the exception through.
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if not m.usergenerated:
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raise
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smtp.close()
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m.delete()
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transaction.commit()
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connection.close()
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