1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
# Copyright (C) 1998 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
"""Standard Mailman message object.
This is a subclass of rfc822.Message but provides an extended interface which
is more convenient for use inside Mailman. One of the important things it
provides is a writable mapping interface so that new headers can be added, or
existing headers modified.
"""
import sys
import string
import time
from types import StringType
# Python 1.5's version of rfc822.py is buggy and lacks features we
# depend on -- so we always use the up-to-date version distributed
# with Mailman.
from Mailman.pythonlib import rfc822
class Message(rfc822.Message):
"""This class extends the standard rfc822.Message object.
It provides some convenience functions for getting certain interesting
information out of the message.
"""
def __init__(self, fp):
rfc822.Message.__init__(self, fp)
self.body = self.fp.read()
if self.seekable:
self.rewindbody()
def GetSender(self):
# Look for a Sender field.
sender = self.getheader('sender')
if sender:
realname, mail_address = self.getaddr('sender')
else:
realname, mail_address = self.getaddr('from')
# We can't trust that any of the headers really contained an address
if mail_address and type(mail_address) == StringType:
return string.lower(mail_address)
else:
# The unix from line is all we have left...
if self.unixfrom:
return string.lower(string.split(self.unixfrom)[1])
def GetEnvelopeSender(self):
# look for unix from line and attain address from it. return None if
# there is no unix from line. this function is used to get the
# envelope sender when mail is sent to a <listname>-admin address
if not self.unixfrom:
return None
# XXX assumes no whitespace in address
parts = string.split(self.unixfrom)
for part in parts:
# perform minimal check for the address
if string.find(part, '@') > -1:
user, host = string.split(part, '@', 1)
if not user:
continue
if string.count(host, ".") < 1:
# doesn't look qualified
continue
return part
return None
def GetSenderName(self):
real_name, mail_addr = self.getaddr('from')
if not real_name:
return self.GetSender()
return real_name
def __str__(self):
# TBD: should this include the unixfrom?
return string.join(self.headers, '') + '\n' + self.body
class OutgoingMessage(Message):
def __init__(self, text=''):
from Mailman.pythonlib.StringIO import StringIO
# NOTE: text if supplied must begin with valid rfc822 headers. It can
# also begin with the body of the message but in that case you better
# make sure that the first line does NOT contain a colon!
Message.__init__(self, StringIO(text))
class UserNotification(OutgoingMessage):
def __init__(self, recip, sender, subject=None, text=''):
OutgoingMessage.__init__(self, text)
if subject is None:
subject = '(no subject)'
self['Subject'] = subject
self['From'] = sender
self['To'] = recip
self.recips = [recip]
|
