django-helpdesk/helpdesk/tests/test_get_email.py

830 lines
41 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from helpdesk.models import Queue, Ticket, TicketCC, FollowUp, Attachment
from django.test import TestCase
from django.core.management import call_command
from django.utils import six
from django.shortcuts import get_object_or_404
from django.contrib.auth.models import User
from django.contrib.auth.hashers import make_password
import itertools
from shutil import rmtree
import sys
from tempfile import mkdtemp
try: # python 3
from urllib.parse import urlparse
except ImportError: # python 2
from urlparse import urlparse
try:
# Python >= 3.3
from unittest import mock
except ImportError:
# Python < 3.3
import mock
# class A addresses can't have first octet of 0
unrouted_socks_server = "0.0.0.1"
unrouted_email_server = "0.0.0.1"
# the last user port, reserved by IANA
unused_port = "49151"
class GetEmailCommonTests(TestCase):
# tests correct syntax for command line option
def test_get_email_quiet_option(self):
"""Test quiet option is properly propagated"""
with mock.patch('helpdesk.management.commands.get_email.process_email') as mocked_processemail:
call_command('get_email', quiet=True)
mocked_processemail.assert_called_with(quiet=True)
call_command('get_email')
mocked_processemail.assert_called_with(quiet=False)
class GetEmailParametricTemplate(object):
"""TestCase that checks basic email functionality across methods and socks configs."""
def setUp(self):
self.temp_logdir = mkdtemp()
kwargs = {
"title": 'Basic Queue',
"slug": 'QQ',
"allow_public_submission": True,
"allow_email_submission": True,
"email_box_type": self.method,
"logging_dir": self.temp_logdir,
"logging_type": 'none'
}
if self.method == 'local':
kwargs["email_box_local_dir"] = '/var/lib/mail/helpdesk/'
else:
kwargs["email_box_host"] = unrouted_email_server
kwargs["email_box_port"] = unused_port
if self.socks:
kwargs["socks_proxy_type"] = self.socks
kwargs["socks_proxy_host"] = unrouted_socks_server
kwargs["socks_proxy_port"] = unused_port
self.queue_public = Queue.objects.create(**kwargs)
def tearDown(self):
rmtree(self.temp_logdir)
def test_read_plain_email(self):
"""Tests reading plain text emails from a queue and creating tickets.
For each email source supported, we mock the backend to provide
authentically formatted responses containing our test data."""
# example email text from Django docs: https://docs.djangoproject.com/en/1.10/ref/unicode/
test_email_from = "Arnbjörg Ráðormsdóttir <arnbjorg@example.com>"
test_email_subject = "My visit to Sør-Trøndelag"
test_email_body = "Unicode helpdesk comment with an s-hat (ŝ) via email."
test_email = "To: helpdesk@example.com\nFrom: " + test_email_from + "\nSubject: " + test_email_subject + "\n\n" + test_email_body
test_mail_len = len(test_email)
if self.socks:
from socks import ProxyConnectionError
with self.assertRaisesRegex(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
call_command('get_email')
else:
# Test local email reading
if self.method == 'local':
with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=test_email)):
mocked_isfile.return_value = True
mocked_listdir.return_value = ['filename1', 'filename2']
call_command('get_email')
mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename2')
elif self.method == 'pop3':
# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
pop3_emails = {
'1': ("+OK", test_email.split('\n')),
'2': ("+OK", test_email.split('\n')),
}
pop3_mail_list = ("+OK 2 messages", ("1 %d" % test_mail_len, "2 %d" % test_mail_len))
mocked_poplib_server = mock.Mock()
mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails[x])
with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
call_command('get_email')
elif self.method == 'imap':
# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
imap_emails = {
"1": ("OK", (("1", test_email),)),
"2": ("OK", (("2", test_email),)),
}
imap_mail_list = ("OK", ("1 2",))
mocked_imaplib_server = mock.Mock()
mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
# we ignore the second arg as the data item/mime-part is constant (RFC822)
mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
call_command('get_email')
ticket1 = get_object_or_404(Ticket, pk=1)
self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
self.assertEqual(ticket1.title, test_email_subject)
self.assertEqual(ticket1.description, test_email_body)
ticket2 = get_object_or_404(Ticket, pk=2)
self.assertEqual(ticket2.ticket_for_url, "QQ-%s" % ticket2.id)
self.assertEqual(ticket2.title, test_email_subject)
self.assertEqual(ticket2.description, test_email_body)
def test_commas_in_mail_headers(self):
"""Tests correctly decoding mail headers when a comma is encoded into
UTF-8. See bug report #832."""
# example email text from Django docs: https://docs.djangoproject.com/en/1.10/ref/unicode/
test_email_from = "Bernard-Bouissières, Benjamin <bbb@example.com>"
test_email_subject = "Commas in From lines"
test_email_body = "Testing commas in from email UTF-8."
test_email = "To: helpdesk@example.com\nFrom: " + test_email_from + "\nSubject: " + test_email_subject + "\n\n" + test_email_body
test_mail_len = len(test_email)
if self.socks:
from socks import ProxyConnectionError
with self.assertRaisesRegex(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
call_command('get_email')
else:
# Test local email reading
if self.method == 'local':
with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=test_email)):
mocked_isfile.return_value = True
mocked_listdir.return_value = ['filename1', 'filename2']
call_command('get_email')
mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename2')
elif self.method == 'pop3':
# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
pop3_emails = {
'1': ("+OK", test_email.split('\n')),
'2': ("+OK", test_email.split('\n')),
}
pop3_mail_list = ("+OK 2 messages", ("1 %d" % test_mail_len, "2 %d" % test_mail_len))
mocked_poplib_server = mock.Mock()
mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails[x])
with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
call_command('get_email')
elif self.method == 'imap':
# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
imap_emails = {
"1": ("OK", (("1", test_email),)),
"2": ("OK", (("2", test_email),)),
}
imap_mail_list = ("OK", ("1 2",))
mocked_imaplib_server = mock.Mock()
mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
# we ignore the second arg as the data item/mime-part is constant (RFC822)
mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
call_command('get_email')
ticket1 = get_object_or_404(Ticket, pk=1)
self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
self.assertEqual(ticket1.submitter_email, 'bbb@example.com')
self.assertEqual(ticket1.title, test_email_subject)
self.assertEqual(ticket1.description, test_email_body)
ticket2 = get_object_or_404(Ticket, pk=2)
self.assertEqual(ticket2.ticket_for_url, "QQ-%s" % ticket2.id)
self.assertEqual(ticket2.submitter_email, 'bbb@example.com')
self.assertEqual(ticket2.title, test_email_subject)
self.assertEqual(ticket2.description, test_email_body)
def test_read_email_with_template_tag(self):
"""Tests reading plain text emails from a queue and creating tickets,
except this time the email body contains a Django template tag.
For each email source supported, we mock the backend to provide
authentically formatted responses containing our test data."""
# example email text from Django docs: https://docs.djangoproject.com/en/1.10/ref/unicode/
test_email_from = "Arnbjörg Ráðormsdóttir <arnbjorg@example.com>"
test_email_subject = "My visit to Sør-Trøndelag"
test_email_body = "Reporting some issue with the template tag: {% if helpdesk %}."
test_email = "To: helpdesk@example.com\nFrom: " + test_email_from + "\nSubject: " + test_email_subject + "\n\n" + test_email_body
test_mail_len = len(test_email)
if self.socks:
from socks import ProxyConnectionError
with self.assertRaisesRegex(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
call_command('get_email')
else:
# Test local email reading
if self.method == 'local':
with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=test_email)):
mocked_isfile.return_value = True
mocked_listdir.return_value = ['filename1', 'filename2']
call_command('get_email')
mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename2')
elif self.method == 'pop3':
# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
pop3_emails = {
'1': ("+OK", test_email.split('\n')),
'2': ("+OK", test_email.split('\n')),
}
pop3_mail_list = ("+OK 2 messages", ("1 %d" % test_mail_len, "2 %d" % test_mail_len))
mocked_poplib_server = mock.Mock()
mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails[x])
with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
call_command('get_email')
elif self.method == 'imap':
# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
imap_emails = {
"1": ("OK", (("1", test_email),)),
"2": ("OK", (("2", test_email),)),
}
imap_mail_list = ("OK", ("1 2",))
mocked_imaplib_server = mock.Mock()
mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
# we ignore the second arg as the data item/mime-part is constant (RFC822)
mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
call_command('get_email')
ticket1 = get_object_or_404(Ticket, pk=1)
self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
self.assertEqual(ticket1.title, test_email_subject)
self.assertEqual(ticket1.description, test_email_body)
ticket2 = get_object_or_404(Ticket, pk=2)
self.assertEqual(ticket2.ticket_for_url, "QQ-%s" % ticket2.id)
self.assertEqual(ticket2.title, test_email_subject)
self.assertEqual(ticket2.description, test_email_body)
def test_read_html_multipart_email(self):
"""Tests reading multipart MIME (HTML body and plain text alternative)
emails from a queue and creating tickets.
For each email source supported, we mock the backend to provide
authentically formatted responses containing our test data."""
# example email text from Python docs: https://docs.python.org/3/library/email-examples.html
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
me = "my@example.com"
you = "your@example.com"
# NOTE: CC'd emails need to be alphabetical and tested as such!
# implementation uses sets, so only way to ensure tickets created
# in right order is to change set to list and sort it
cc_one = "nobody@example.com"
cc_two = "other@example.com"
cc = cc_one + ", " + cc_two
subject = "Link"
# Create message container - the correct MIME type is multipart/alternative.
msg = MIMEMultipart('alternative')
msg['Subject'] = subject
msg['From'] = me
msg['To'] = you
msg['Cc'] = cc
# Create the body of the message (a plain-text and an HTML version).
text = "Hi!\nHow are you?\nHere is the link you wanted:\nhttps://www.python.org"
html = """\
<html>
<head></head>
<body>
<p>Hi!<br>
How are you?<br>
Here is the <a href="https://www.python.org">link</a> you wanted.
</p>
</body>
</html>
"""
# Record the MIME types of both parts - text/plain and text/html.
part1 = MIMEText(text, 'plain')
part2 = MIMEText(html, 'html')
# Attach parts into message container.
# According to RFC 2046, the last part of a multipart message, in this case
# the HTML message, is best and preferred.
msg.attach(part1)
msg.attach(part2)
test_mail_len = len(msg)
if self.socks:
from socks import ProxyConnectionError
with self.assertRaisesRegex(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
call_command('get_email')
else:
# Test local email reading
if self.method == 'local':
with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=msg.as_string())):
mocked_isfile.return_value = True
mocked_listdir.return_value = ['filename1', 'filename2']
call_command('get_email')
mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename2')
elif self.method == 'pop3':
# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
pop3_emails = {
'1': ("+OK", msg.as_string().split('\n')),
'2': ("+OK", msg.as_string().split('\n')),
}
pop3_mail_list = ("+OK 2 messages", ("1 %d" % test_mail_len, "2 %d" % test_mail_len))
mocked_poplib_server = mock.Mock()
mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails[x])
with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
call_command('get_email')
elif self.method == 'imap':
# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
imap_emails = {
"1": ("OK", (("1", msg.as_string()),)),
"2": ("OK", (("2", msg.as_string()),)),
}
imap_mail_list = ("OK", ("1 2",))
mocked_imaplib_server = mock.Mock()
mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
# we ignore the second arg as the data item/mime-part is constant (RFC822)
mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
call_command('get_email')
ticket1 = get_object_or_404(Ticket, pk=1)
self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
self.assertEqual(ticket1.title, subject)
# plain text should become description
self.assertEqual(ticket1.description, text)
# HTML MIME part should be attached to follow up
followup1 = get_object_or_404(FollowUp, pk=1)
self.assertEqual(followup1.ticket.id, 1)
attach1 = get_object_or_404(Attachment, pk=1)
self.assertEqual(attach1.followup.id, 1)
self.assertEqual(attach1.filename, 'email_html_body.html')
cc1 = get_object_or_404(TicketCC, pk=1)
self.assertEqual(cc1.email, cc_one)
cc2 = get_object_or_404(TicketCC, pk=2)
self.assertEqual(cc2.email, cc_two)
self.assertEqual(len(TicketCC.objects.filter(ticket=1)), 2)
ticket2 = get_object_or_404(Ticket, pk=2)
self.assertEqual(ticket2.ticket_for_url, "QQ-%s" % ticket2.id)
self.assertEqual(ticket2.title, subject)
# plain text should become description
self.assertEqual(ticket2.description, text)
# HTML MIME part should be attached to follow up
followup2 = get_object_or_404(FollowUp, pk=2)
self.assertEqual(followup2.ticket.id, 2)
attach2 = get_object_or_404(Attachment, pk=2)
self.assertEqual(attach2.followup.id, 2)
self.assertEqual(attach2.filename, 'email_html_body.html')
def test_read_pgp_signed_email(self):
"""Tests reading a PGP signed email to ensure we handle base64
and PGP signatures appropriately."""
# example email text from #567 on GitHub
test_email = """Delivered-To: djangohelpdesk@example.com
Received: by 10.25.26.207 with SMTP id a198csp5858981lfa;
Wed, 8 Nov 2017 13:30:22 -0800 (PST)
X-Received: by 10.107.107.3 with SMTP id g3mr2603398ioc.250.1510176622046;
Wed, 08 Nov 2017 13:30:22 -0800 (PST)
ARC-Seal: i=2; a=rsa-sha256; t=1510176621; cv=pass;
d=google.com; s=arc-20160816;
b=qQ8kBj8+yIoWcJwFNHUlJDYz7P2NfILAxFsn9uPYzXNn/aRw695T1aNFgGL75KUhkA
nDw+h49SUGKDh9ehC+DEiPjwJIxAoz+86rqGWV6XPGW4gQ7GUkHs96CxWndTSD0hdcOl
vygeZrsgzpIOvDxJWrujDPZzcEjsPC2qy3KGsTqtbZGEsNhhRUD8rs/hBVVXaGBatLF+
Sz2krwBZz8Lm+mWRhScjmF12QIHcXe6qYrDLOLEK0+bRkRMS+ZXg9+GPwqHlp58GaHn+
6JncesW3q7k88RQsLlj/8PEw0z1wMndgBVWIcCEtLt4UhZtt/BDxmZSukNN0SzoH4e3k
mxOw==
ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
h=mime-version:user-agent:date:message-id:subject:from:to
:dkim-signature:arc-authentication-results:arc-message-signature
:arc-authentication-results;
bh=cQvDBdivwtDmp1Td9ZWaEf0S4IuZ4hPwaprxSv7XZuE=;
b=p/0Y4PgvEfGWZ8W3eqxzRnSGLbT9gObSU2OI/sLwiN4KFfVmGrBJYkx7DGija0A5eU
DBbETW/16pib+W0IOUtdD7Pt12oWA3Z/uRf7ybXnHIKZ+MObdCXqRJFkga6nY8tWD0H3
maquQR07Q54mYslVMEIKJUKJzVM86npLN2C756ZzZTXiGXf33iowO4/lciGmTAgi+y5p
fEDQCTMoSQ9iGbquFRgNHgMtIM5NWjeMksWKpnfbvZyKs0ZICcPklNxQkDCmDlrOBokT
Zs1RVsWZ7NyPdTomJ0SRyPeysM040aatmnwxFAzwe4GYFNUWZjaep7uPKKlZ4sV/aHBB
iHOQ==
ARC-Authentication-Results: i=2; mx.google.com;
dkim=pass header.i=@gmail.com header.s=20161025 header.b=AArzbi/1;
arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com);
spf=pass (google.com: domain of bugreporter@example.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=bugreporter@example.com;
dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com
Return-Path: <bugreporter@example.com>
Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41])
by mx.google.com with SMTPS id i86sor2420323ioo.204.2017.11.08.13.30.21
for <djangohelpdesk@example.com>
(Google Transport Security);
Wed, 08 Nov 2017 13:30:21 -0800 (PST)
Received-SPF: pass (google.com: domain of bugreporter@example.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41;
Authentication-Results: mx.google.com;
dkim=pass header.i=@gmail.com header.s=20161025 header.b=AArzbi/1;
arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com);
spf=pass (google.com: domain of bugreporter@example.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=bugreporter@example.com;
dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gmail.com
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:dkim-signature:to:from:subject:message-id:date
:user-agent:mime-version;
bh=cQvDBdivwtDmp1Td9ZWaEf0S4IuZ4hPwaprxSv7XZuE=;
b=MCiZzHu6ZV3kMTQBRL/b5uBy4jbHFS97+z9apL239dYS+z0LlTiHpKbs3qohFe3As1
gu2l0SAcdGw0qeplgmOlX9HXvKetBRLldfHeX/JJZ2yokpjc6CxVT8gF8YP2UmfAs0cb
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To: djangohelpdesk@example.com
From: Bug Reporter <bugreporter@example.com>
Subject: example email that crashes django-helpdesk get_email
Message-ID: <8eef2077-8aff-9fb4-0e2a-9876ba2530b1@gmail.com>
Date: Thu, 9 Nov 2017 08:30:15 +1100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
Thunderbird/52.4.0
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha256;
protocol="application/pgp-signature";
boundary="vnaePdRl5oElllhQPTiU2WarPFVGINT69"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--vnaePdRl5oElllhQPTiU2WarPFVGINT69
Content-Type: multipart/mixed; boundary="ckOQ1U5bPjO3W1sVnjdBaEigXBiwem2Rn";
protected-headers="v1"
From: Bug Reporter <bugreporter@example.com>
To: djangohelpdesk@example.com
Message-ID: <8eef2077-8aff-9fb4-0e2a-9876ba2530b1@gmail.com>
Subject: example email that crashes django-helpdesk get_email
--ckOQ1U5bPjO3W1sVnjdBaEigXBiwem2Rn
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Content-Language: en-US
hi, thanks for looking into this :)
https://github.com/django-helpdesk/django-helpdesk/issues/567#issuecommen=
t-342954233
--ckOQ1U5bPjO3W1sVnjdBaEigXBiwem2Rn--
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Content-Type: application/pgp-signature; name="signature.asc"
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"""
test_mail_len = len(test_email)
if self.socks:
from socks import ProxyConnectionError
with self.assertRaisesRegex(ProxyConnectionError, '%s:%s' % (unrouted_socks_server, unused_port)):
call_command('get_email')
else:
# Test local email reading
if self.method == 'local':
with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=test_email)):
mocked_isfile.return_value = True
mocked_listdir.return_value = ['filename1']
call_command('get_email')
mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
elif self.method == 'pop3':
# mock poplib.POP3's list and retr methods to provide responses as per RFC 1939
pop3_emails = {
'1': ("+OK", test_email.split('\n')),
}
pop3_mail_list = ("+OK 1 message", ("1 %d" % test_mail_len))
mocked_poplib_server = mock.Mock()
mocked_poplib_server.list = mock.Mock(return_value=pop3_mail_list)
mocked_poplib_server.retr = mock.Mock(side_effect=lambda x: pop3_emails['1'])
with mock.patch('helpdesk.management.commands.get_email.poplib', autospec=True) as mocked_poplib:
mocked_poplib.POP3 = mock.Mock(return_value=mocked_poplib_server)
call_command('get_email')
elif self.method == 'imap':
# mock imaplib.IMAP4's search and fetch methods with responses from RFC 3501
imap_emails = {
"1": ("OK", (("1", test_email),)),
}
imap_mail_list = ("OK", ("1",))
mocked_imaplib_server = mock.Mock()
mocked_imaplib_server.search = mock.Mock(return_value=imap_mail_list)
# we ignore the second arg as the data item/mime-part is constant (RFC822)
mocked_imaplib_server.fetch = mock.Mock(side_effect=lambda x, _: imap_emails[x])
with mock.patch('helpdesk.management.commands.get_email.imaplib', autospec=True) as mocked_imaplib:
mocked_imaplib.IMAP4 = mock.Mock(return_value=mocked_imaplib_server)
call_command('get_email')
ticket1 = get_object_or_404(Ticket, pk=1)
self.assertEqual(ticket1.ticket_for_url, "QQ-%s" % ticket1.id)
self.assertEqual(ticket1.title, "example email that crashes django-helpdesk get_email")
self.assertEqual(ticket1.description, """hi, thanks for looking into this :)\n\nhttps://github.com/django-helpdesk/django-helpdesk/issues/567#issuecomment-342954233""")
# MIME part should be attached to follow up
followup1 = get_object_or_404(FollowUp, pk=1)
self.assertEqual(followup1.ticket.id, 1)
attach1 = get_object_or_404(Attachment, pk=1)
self.assertEqual(attach1.followup.id, 1)
self.assertEqual(attach1.filename, 'signature.asc')
self.assertEqual(attach1.file.read(), b"""-----BEGIN PGP SIGNATURE-----
iQIcBAEBCAAGBQJaA3dnAAoJELBLc7QPITnLN54P/3Zsu7+AIQWDFTvziJfCqswG
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a9eiiQ+3V1v+7wWHXCzq
=6JeP
-----END PGP SIGNATURE-----
""")
# should this be 'application/pgp-signature'?
# self.assertEqual(attach1.mime_type, 'text/plain')
class GetEmailCCHandling(TestCase):
"""TestCase that checks CC handling in email. Needs its own test harness."""
def setUp(self):
self.temp_logdir = mkdtemp()
kwargs = {
"title": 'CC Queue',
"slug": 'CC',
"allow_public_submission": True,
"allow_email_submission": True,
"email_address": 'queue@example.com',
"email_box_type": 'local',
"email_box_local_dir": '/var/lib/mail/helpdesk/',
"logging_dir": self.temp_logdir,
"logging_type": 'none'
}
self.queue_public = Queue.objects.create(**kwargs)
user1_kwargs = {
'username': 'staff',
'email': 'staff@example.com',
'password': make_password('Test1234'),
'is_staff': True,
'is_superuser': False,
'is_active': True
}
self.staff_user = User.objects.create(**user1_kwargs)
user2_kwargs = {
'username': 'assigned',
'email': 'assigned@example.com',
'password': make_password('Test1234'),
'is_staff': True,
'is_superuser': False,
'is_active': True
}
self.assigned_user = User.objects.create(**user2_kwargs)
user3_kwargs = {
'username': 'observer',
'email': 'observer@example.com',
'password': make_password('Test1234'),
'is_staff': True,
'is_superuser': False,
'is_active': True
}
self.observer_user = User.objects.create(**user3_kwargs)
ticket_kwargs = {
'title': 'Original Ticket',
'queue': self.queue_public,
'submitter_email': 'submitter@example.com',
'assigned_to': self.assigned_user,
'status': 1
}
self.original_ticket = Ticket.objects.create(**ticket_kwargs)
cc_kwargs = {
'ticket': self.original_ticket,
'user': self.staff_user,
'can_view': True,
'can_update': True
}
self.original_cc = TicketCC.objects.create(**cc_kwargs)
def tearDown(self):
rmtree(self.temp_logdir)
def test_read_email_cc(self):
"""Tests reading plain text emails from a queue and adding to a ticket,
particularly to test appropriate handling of CC'd emails."""
# first, check that test ticket exists
ticket1 = get_object_or_404(Ticket, pk=1)
self.assertEqual(ticket1.ticket_for_url, "CC-1")
self.assertEqual(ticket1.title, "Original Ticket")
# only the staff_user is CC'd for now
self.assertEqual(len(TicketCC.objects.filter(ticket=1)), 1)
ccstaff = get_object_or_404(TicketCC, pk=1)
self.assertEqual(ccstaff.user, User.objects.get(username='staff'))
self.assertEqual(ticket1.assigned_to, User.objects.get(username='assigned'))
# example email text from Django docs: https://docs.djangoproject.com/en/1.10/ref/unicode/
test_email_from = "submitter@example.com"
# NOTE: CC emails are in alphabetical order and must be tested as such!
# implementation uses sets, so only way to ensure tickets created
# in right order is to change set to list and sort it
test_email_cc_one = "Alice Ráðormsdóttir <alice@example.com>"
test_email_cc_two = "nobody@example.com"
test_email_cc_three = "other@example.com"
test_email_cc_four = "someone@example.com"
ticket_user_emails = "assigned@example.com, staff@example.com, submitter@example.com, observer@example.com, queue@example.com"
test_email_subject = "[CC-1] My visit to Sør-Trøndelag"
test_email_body = "Unicode helpdesk comment with an s-hat (ŝ) via email."
test_email = "To: queue@example.com\nCc: " + test_email_cc_one + ", " + test_email_cc_one + ", " + test_email_cc_two + ", " + test_email_cc_three + "\nCC: " + test_email_cc_one + ", " + test_email_cc_three + ", " + test_email_cc_four + ", " + ticket_user_emails + "\nFrom: " + test_email_from + "\nSubject: " + test_email_subject + "\n\n" + test_email_body
test_mail_len = len(test_email)
with mock.patch('helpdesk.management.commands.get_email.listdir') as mocked_listdir, \
mock.patch('helpdesk.management.commands.get_email.isfile') as mocked_isfile, \
mock.patch('builtins.open' if six.PY3 else '__builtin__.open', mock.mock_open(read_data=test_email)):
mocked_isfile.return_value = True
mocked_listdir.return_value = ['filename1']
call_command('get_email')
mocked_listdir.assert_called_with('/var/lib/mail/helpdesk/')
mocked_isfile.assert_any_call('/var/lib/mail/helpdesk/filename1')
# ensure these 4 CCs (test_email_cc one thru four) are the only ones
# created and added to the existing staff_user that was CC'd,
# and the observer user that gets CC'd to new email.,
# and that submitter and assignee are not added as CC either
# (in other words, even though everyone was CC'd to this email,
# we should come out with only 6 CCs after filtering)
self.assertEqual(len(TicketCC.objects.filter(ticket=1)), 6)
# next we make sure no duplicates were added, and the
# staff users nor submitter were not re-added as email TicketCCs
cc0 = get_object_or_404(TicketCC, pk=2)
self.assertEqual(cc0.user, User.objects.get(username='observer'))
cc1 = get_object_or_404(TicketCC, pk=3)
self.assertEqual(cc1.email, test_email_cc_one)
cc2 = get_object_or_404(TicketCC, pk=4)
self.assertEqual(cc2.email, test_email_cc_two)
cc3 = get_object_or_404(TicketCC, pk=5)
self.assertEqual(cc3.email, test_email_cc_three)
cc4 = get_object_or_404(TicketCC, pk=6)
self.assertEqual(cc4.email, test_email_cc_four)
# build matrix of test cases
case_methods = [c[0] for c in Queue._meta.get_field('email_box_type').choices]
case_socks = [False] + [c[0] for c in Queue._meta.get_field('socks_proxy_type').choices]
case_matrix = list(itertools.product(case_methods, case_socks))
# Populate TestCases from the matrix of parameters
thismodule = sys.modules[__name__]
for method, socks in case_matrix:
if method == "local" and socks:
continue
socks_str = "Nosocks"
if socks:
socks_str = socks.capitalize()
test_name = str(
"TestGetEmail%s%s" % (method.capitalize(), socks_str))
cl = type(test_name, (GetEmailParametricTemplate, TestCase), {"method": method, "socks": socks})
setattr(thismodule, test_name, cl)