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Revision 11450, 1.5 KB
(checked in by radix, 6 years ago)
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MIT LICENSE: new LICENSE file and new preambles for all .py files. This is not all.
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| 1 | |
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| 2 | |
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| 3 | |
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| 4 | |
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| 5 | |
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| 6 | |
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| 7 | import StringIO |
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| 8 | import rfc822 |
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| 9 | import string |
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| 10 | import time |
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| 11 | import os |
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| 12 | |
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| 13 | |
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| 14 | from twisted.mail import smtp |
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| 15 | |
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| 16 | BOUNCE_FORMAT = """\ |
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| 17 | From: postmaster@%(failedDomain)s |
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| 18 | To: %(failedFrom)s |
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| 19 | Subject: Returned Mail: see transcript for details |
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| 20 | Message-ID: %(messageID)s |
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| 21 | Content-Type: multipart/report; report-type=delivery-status; |
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| 22 | boundary="%(boundary)s" |
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| 23 | |
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| 24 | --%(boundary)s |
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| 25 | |
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| 26 | %(transcript)s |
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| 27 | |
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| 28 | --%(boundary)s |
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| 29 | Content-Type: message/delivery-status |
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| 30 | Arrival-Date: %(ctime)s |
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| 31 | Final-Recipient: RFC822; %(failedTo)s |
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| 32 | """ |
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| 33 | |
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| 34 | def generateBounce(message, failedFrom, failedTo, transcript=''): |
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| 35 | if not transcript: |
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| 36 | transcript = '''\ |
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| 37 | I'm sorry, the following address has permanent errors: %(failedTo)s. |
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| 38 | I've given up, and I will not retry the message again. |
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| 39 | ''' % vars() |
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| 40 | |
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| 41 | boundary = "%s_%s_%s" % (time.time(), os.getpid(), 'XXXXX') |
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| 42 | failedAddress = rfc822.AddressList(failedTo)[0][1] |
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| 43 | failedDomain = string.split(failedAddress, '@', 1)[1] |
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| 44 | messageID = smtp.messageid(uniq='bounce') |
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| 45 | ctime = time.ctime(time.time()) |
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| 46 | |
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| 47 | fp = StringIO.StringIO() |
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| 48 | fp.write(BOUNCE_FORMAT % vars()) |
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| 49 | orig = message.tell() |
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| 50 | message.seek(2, 0) |
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| 51 | sz = message.tell() |
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| 52 | message.seek(0, orig) |
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| 53 | if sz > 10000: |
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| 54 | while 1: |
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| 55 | line = message.readline() |
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| 56 | if len(line)<=1: |
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| 57 | break |
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| 58 | fp.write(line) |
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| 59 | else: |
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| 60 | fp.write(message.read()) |
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| 61 | return '', failedFrom, fp.getvalue() |
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