113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
|
|
from typing import List, Tuple
|
|
|
|
from zope.interface import implementer
|
|
|
|
from twisted.internet import defer
|
|
from twisted.internet.address import IPv4Address
|
|
from twisted.internet.defer import ensureDeferred
|
|
from twisted.mail import interfaces, smtp
|
|
|
|
from tests.server import FakeTransport
|
|
from tests.unittest import HomeserverTestCase
|
|
|
|
|
|
@implementer(interfaces.IMessageDelivery)
|
|
class _DummyMessageDelivery:
|
|
def __init__(self):
|
|
# (recipient, message) tuples
|
|
self.messages: List[Tuple[smtp.Address, bytes]] = []
|
|
|
|
def receivedHeader(self, helo, origin, recipients):
|
|
return None
|
|
|
|
def validateFrom(self, helo, origin):
|
|
return origin
|
|
|
|
def record_message(self, recipient: smtp.Address, message: bytes):
|
|
self.messages.append((recipient, message))
|
|
|
|
def validateTo(self, user: smtp.User):
|
|
return lambda: _DummyMessage(self, user)
|
|
|
|
|
|
@implementer(interfaces.IMessageSMTP)
|
|
class _DummyMessage:
|
|
"""IMessageSMTP implementation which saves the message delivered to it
|
|
to the _DummyMessageDelivery object.
|
|
"""
|
|
|
|
def __init__(self, delivery: _DummyMessageDelivery, user: smtp.User):
|
|
self._delivery = delivery
|
|
self._user = user
|
|
self._buffer: List[bytes] = []
|
|
|
|
def lineReceived(self, line):
|
|
self._buffer.append(line)
|
|
|
|
def eomReceived(self):
|
|
message = b"\n".join(self._buffer) + b"\n"
|
|
self._delivery.record_message(self._user.dest, message)
|
|
return defer.succeed(b"saved")
|
|
|
|
def connectionLost(self):
|
|
pass
|
|
|
|
|
|
class SendEmailHandlerTestCase(HomeserverTestCase):
|
|
def test_send_email(self):
|
|
"""Happy-path test that we can send email to a non-TLS server."""
|
|
h = self.hs.get_send_email_handler()
|
|
d = ensureDeferred(
|
|
h.send_email(
|
|
"foo@bar.com", "test subject", "Tests", "HTML content", "Text content"
|
|
)
|
|
)
|
|
# there should be an attempt to connect to localhost:25
|
|
self.assertEqual(len(self.reactor.tcpClients), 1)
|
|
(host, port, client_factory, _timeout, _bindAddress) = self.reactor.tcpClients[
|
|
0
|
|
]
|
|
self.assertEqual(host, "localhost")
|
|
self.assertEqual(port, 25)
|
|
|
|
# wire it up to an SMTP server
|
|
message_delivery = _DummyMessageDelivery()
|
|
server_protocol = smtp.ESMTP()
|
|
server_protocol.delivery = message_delivery
|
|
# make sure that the server uses the test reactor to set timeouts
|
|
server_protocol.callLater = self.reactor.callLater # type: ignore[assignment]
|
|
|
|
client_protocol = client_factory.buildProtocol(None)
|
|
client_protocol.makeConnection(FakeTransport(server_protocol, self.reactor))
|
|
server_protocol.makeConnection(
|
|
FakeTransport(
|
|
client_protocol,
|
|
self.reactor,
|
|
peer_address=IPv4Address("TCP", "127.0.0.1", 1234),
|
|
)
|
|
)
|
|
|
|
# the message should now get delivered
|
|
self.get_success(d, by=0.1)
|
|
|
|
# check it arrived
|
|
self.assertEqual(len(message_delivery.messages), 1)
|
|
user, msg = message_delivery.messages.pop()
|
|
self.assertEqual(str(user), "foo@bar.com")
|
|
self.assertIn(b"Subject: test subject", msg)
|