summaryrefslogtreecommitdiffstats
path: root/wallace/module_footer.py
blob: 40833a2f91dbcd8d67c8df17b10c3b874e953750 (plain)
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
# -*- coding: utf-8 -*-
# Copyright 2010-2013 Kolab Systems AG (http://www.kolabsys.com)
#
# Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen a kolabsys.com>
#
# 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; version 3 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 Library 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.
#

import os
import tempfile
import time

from email import message_from_string
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email.parser import Parser
from email.utils import formataddr
from email.utils import getaddresses

import modules

import pykolab

from pykolab.translate import _

log = pykolab.getLogger('pykolab.wallace')
conf = pykolab.getConf()

mybasepath = '/var/spool/pykolab/wallace/footer/'

def __init__():
    modules.register('footer', execute, description=description())

def description():
    return """Append a footer to messages."""

def execute(*args, **kw):
    if not os.path.isdir(mybasepath):
        os.makedirs(mybasepath)

    for stage in ['incoming', 'ACCEPT' ]:
        if not os.path.isdir(os.path.join(mybasepath, stage)):
            os.makedirs(os.path.join(mybasepath, stage))

    # TODO: Test for correct call.
    filepath = args[0]

    if kw.has_key('stage'):
        log.debug(_("Issuing callback after processing to stage %s") % (kw['stage']), level=8)
        log.debug(_("Testing cb_action_%s()") % (kw['stage']), level=8)
        if hasattr(modules, 'cb_action_%s' % (kw['stage'])):
            log.debug(_("Attempting to execute cb_action_%s()") % (kw['stage']), level=8)
            exec('modules.cb_action_%s(%r, %r)' % (kw['stage'],'optout',filepath))
            return

    log.debug(_("Executing module footer for %r, %r") % (args, kw), level=8)

    new_filepath = os.path.join('/var/spool/pykolab/wallace/footer/incoming', os.path.basename(filepath))
    os.rename(filepath, new_filepath)
    filepath = new_filepath

    # parse message headers
    # @TODO: make sure we can use True as the 2nd argument here
    message = Parser().parse(open(filepath, 'r'), True)

    # Possible footer answers are limited to ACCEPT only
    answers = [ 'ACCEPT' ]

    footer = {}

    footer_html_file = conf.get('wallace', 'footer_html')
    footer_text_file = conf.get('wallace', 'footer_text')

    if not os.path.isfile(footer_text_file) and not os.path.isfile(footer_html_file):
        exec('modules.cb_action_%s(%r, %r)' % ('ACCEPT','footer', filepath))
        return
        
    if os.path.isfile(footer_text_file):
        footer['plain'] = open(footer_text_file, 'r').read()

    if not os.path.isfile(footer_html_file):
        footer['html'] = '<p>' + self.footer['plain'] + '</p>'
    else:
        footer['html'] = open(footer_html_file, 'r').read()
        if footer['html'] == "":
            footer['html'] = '<p>' + self.footer['plain'] + '</p>'

    if footer['plain'] == "" and footer['html'] == "<p></p>":
        exec('modules.cb_action_%s(%r, %r)' % ('ACCEPT','footer', filepath))
        return
        
    footer_added = False

    try:
        _footer_added = message.get("X-Wallace-Footer")
    except:
        pass

    if _footer_added == "YES":
        exec('modules.cb_action_%s(%r, %r)' % ('ACCEPT','footer', filepath))
        return

    if message.is_multipart():
        if message.get_content_type() == "multipart/alternative":
            log.debug("The message content type is multipart/alternative.")

        for part in message.walk():
            disposition = None

            try:
                content_type = part.get_content_type()
            except:
                continue

            try:
                disposition = part.get("Content-Disposition")
            except:
                pass

            if not disposition == None:
                continue

            if content_type == "text/plain":
                content = part.get_payload()
                content += "\n\n--\n%s" % (footer['plain'])
                part.set_payload(content)
                footer_added = True

            elif content_type == "text/html":
                content = part.get_payload()
                content += "\n<!-- footer appended by Wallace -->\n"
                content += "\n<html><body><hr />%s</body></html>\n" % (footer['html'])
                part.set_payload(content)
                footer_added = True

    else:
        # Check the main content-type.
        if message.get_content_type() == "text/html":
            content = message.get_payload()
            content += "\n<!-- footer appended by Wallace -->\n"
            content += "\n<html><body><hr />%s</body></html>\n" % (footer['html'])
            message.set_payload(content)
            footer_added = True

        else:
            content = message.get_payload()
            content += "\n\n--\n%s" % (footer['plain'])
            message.set_payload(content)
            footer_added = True

    if footer_added:
        log.debug("Footer attached.")
        message.add_header("X-Wallace-Footer", "YES")

    (fp, new_filepath) = tempfile.mkstemp(dir="/var/spool/pykolab/wallace/footer/ACCEPT")
    os.write(fp, message.as_string())
    os.close(fp)
    os.unlink(filepath)

    exec('modules.cb_action_%s(%r, %r)' % ('ACCEPT','footer', new_filepath))