zulip/zerver/tests/test_email_mirror.py

1837 lines
77 KiB
Python

import base64
import email.policy
import os
import subprocess
from collections.abc import Callable, Mapping
from email import message_from_string
from email.headerregistry import Address
from email.message import EmailMessage, MIMEPart
from typing import TYPE_CHECKING, Any
from unittest import mock
import orjson
from django.conf import settings
from zerver.actions.realm_settings import do_deactivate_realm
from zerver.actions.streams import do_change_stream_post_policy, do_deactivate_stream
from zerver.actions.users import do_deactivate_user
from zerver.lib.email_mirror import (
create_missed_message_address,
filter_footer,
get_missed_message_token_from_address,
is_forwarded,
is_missed_message_address,
log_error,
process_message,
process_missed_message,
redact_email_address,
strip_from_subject,
)
from zerver.lib.email_mirror_helpers import (
ZulipEmailForwardError,
decode_email_address,
encode_email_address,
get_email_gateway_message_string_from_address,
)
from zerver.lib.email_notifications import convert_html_to_markdown
from zerver.lib.send_email import FromAddress
from zerver.lib.streams import ensure_stream
from zerver.lib.test_classes import ZulipTestCase
from zerver.lib.test_helpers import mock_queue_publish, most_recent_message, most_recent_usermessage
from zerver.models import Attachment, Recipient, Stream, UserProfile
from zerver.models.messages import Message
from zerver.models.realms import get_realm
from zerver.models.streams import get_stream
from zerver.models.users import get_system_bot
from zerver.worker.email_mirror import MirrorWorker
if TYPE_CHECKING:
from django.test.client import _MonkeyPatchedWSGIResponse as TestHttpResponse
logger_name = "zerver.lib.email_mirror"
class TestEncodeDecode(ZulipTestCase):
def _assert_options(
self,
options: dict[str, bool],
show_sender: bool = False,
include_footer: bool = False,
include_quotes: bool = False,
prefer_text: bool = True,
) -> None:
self.assertEqual(show_sender, ("show_sender" in options) and options["show_sender"])
self.assertEqual(
include_footer, ("include_footer" in options) and options["include_footer"]
)
self.assertEqual(
include_quotes, ("include_quotes" in options) and options["include_quotes"]
)
self.assertEqual(prefer_text, options.get("prefer_text", True))
def test_encode_decode(self) -> None:
realm = get_realm("zulip")
stream_name = "dev. help"
stream = ensure_stream(realm, stream_name, acting_user=None)
email_address = encode_email_address(stream)
self.assertEqual(email_address, f"dev-help.{stream.email_token}@testserver")
# The default form of the email address (with an option - "include-footer"):
token, options = decode_email_address(
f"dev-help.{stream.email_token}.include-footer@testserver",
)
self._assert_options(options, include_footer=True)
self.assertEqual(token, stream.email_token)
# Using + instead of . as the separator is also supported for backwards compatibility,
# since that was the original form of addresses that we used:
token, options = decode_email_address(
f"dev-help+{stream.email_token}+include-footer@testserver",
)
self._assert_options(options, include_footer=True)
self.assertEqual(token, stream.email_token)
token, options = decode_email_address(email_address)
self._assert_options(options)
self.assertEqual(token, stream.email_token)
# We also handle mixing + and . but it shouldn't be recommended to users.
email_address_all_options = (
"dev-help.{}+include-footer.show-sender+include-quotes@testserver"
)
email_address_all_options = email_address_all_options.format(stream.email_token)
token, options = decode_email_address(email_address_all_options)
self._assert_options(options, show_sender=True, include_footer=True, include_quotes=True)
self.assertEqual(token, stream.email_token)
email_address = email_address.replace("@testserver", "@zulip.org")
email_address_all_options = email_address_all_options.replace("@testserver", "@zulip.org")
with self.assertRaises(ZulipEmailForwardError):
decode_email_address(email_address)
with self.assertRaises(ZulipEmailForwardError):
decode_email_address(email_address_all_options)
with self.settings(EMAIL_GATEWAY_EXTRA_PATTERN_HACK="@zulip.org"):
token, options = decode_email_address(email_address)
self._assert_options(options)
self.assertEqual(token, stream.email_token)
token, options = decode_email_address(email_address_all_options)
self._assert_options(
options, show_sender=True, include_footer=True, include_quotes=True
)
self.assertEqual(token, stream.email_token)
with self.assertRaises(ZulipEmailForwardError):
decode_email_address("bogus")
# Test stream name encoding changes introduced due to
# https://github.com/zulip/zulip/issues/9840
def test_encode_decode_nonlatin_alphabet_stream_name(self) -> None:
realm = get_realm("zulip")
stream_name = "Тестовы some ascii letters"
stream = ensure_stream(realm, stream_name, acting_user=None)
email_address = encode_email_address(stream)
msg_string = get_email_gateway_message_string_from_address(email_address)
parts = msg_string.split("+")
# Stream name should be completely stripped to '', so msg_string
# should only have the email_token in it.
self.assert_length(parts, 1)
# Correctly decode the resulting address that doesn't have the stream name:
token, show_sender = decode_email_address(email_address)
self.assertFalse(show_sender)
self.assertEqual(token, stream.email_token)
asciiable_stream_name = "ąężć"
stream = ensure_stream(realm, asciiable_stream_name, acting_user=None)
email_address = encode_email_address(stream)
self.assertTrue(email_address.startswith("aezc."))
def test_decode_ignores_stream_name(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream)
stream_to_address = stream_to_address.replace("denmark", "Some_name")
# get the email_token:
token = decode_email_address(stream_to_address)[0]
self.assertEqual(token, stream.email_token)
def test_encode_with_show_sender(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream, show_sender=True)
token, options = decode_email_address(stream_to_address)
self._assert_options(options, show_sender=True)
self.assertEqual(token, stream.email_token)
def test_decode_prefer_text_options(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
address_prefer_text = f"Denmark.{stream.email_token}.prefer-text@testserver"
address_prefer_html = f"Denmark.{stream.email_token}.prefer-html@testserver"
token, options = decode_email_address(address_prefer_text)
self._assert_options(options, prefer_text=True)
token, options = decode_email_address(address_prefer_html)
self._assert_options(options, prefer_text=False)
class TestGetMissedMessageToken(ZulipTestCase):
def test_get_missed_message_token(self) -> None:
with self.settings(EMAIL_GATEWAY_PATTERN="%s@example.com"):
address = "mm" + ("x" * 32) + "@example.com"
self.assertTrue(is_missed_message_address(address))
token = get_missed_message_token_from_address(address)
self.assertEqual(token, "mm" + "x" * 32)
# This next section was a bug at one point--we'd treat ordinary
# user addresses that happened to begin with "mm" as being
# the special mm+32chars tokens.
address = "mmathers@example.com"
self.assertFalse(is_missed_message_address(address))
with self.assertRaises(ZulipEmailForwardError):
get_missed_message_token_from_address(address)
# Now test the case where we our address does not match the
# EMAIL_GATEWAY_PATTERN.
# This used to crash in an ugly way; we want to throw a proper
# exception.
address = "alice@not-the-domain-we-were-expecting.com"
self.assertFalse(is_missed_message_address(address))
with self.assertRaises(ZulipEmailForwardError):
get_missed_message_token_from_address(address)
class TestFilterFooter(ZulipTestCase):
def test_filter_footer(self) -> None:
text = """Test message
--Not a delimiter--
More message
--
Footer"""
expected_output = """Test message
--Not a delimiter--
More message"""
result = filter_footer(text)
self.assertEqual(result, expected_output)
def test_filter_footer_many_parts(self) -> None:
text = """Test message
--
Part1
--
Part2"""
result = filter_footer(text)
# Multiple possible footers, don't strip
self.assertEqual(result, text)
class TestStreamEmailMessages(ZulipTestCase):
def create_incoming_valid_message(
self, msgtext: str, stream: Stream, include_quotes: bool
) -> EmailMessage:
address = Address(addr_spec=encode_email_address(stream))
email_username = address.username + "+show-sender"
if include_quotes:
email_username += "+include-quotes"
stream_to_address = Address(username=email_username, domain=address.domain).addr_spec
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content(msgtext)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
return incoming_valid_message
def test_receive_stream_email_messages_success(self) -> None:
# build dummy messages for stream
# test valid incoming stream message is processed properly
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestStreamEmailMessages body")
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
# Test receiving an email with the address on an UnstructuredHeader
# (e.g. Envelope-To) instead of an AddressHeader (e.g. To).
# https://github.com/zulip/zulip/issues/15864
def test_receive_stream_email_messages_other_header_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
# Simulate a mailing list
incoming_valid_message["To"] = "foo-mailinglist@example.com"
incoming_valid_message["Envelope-To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestStreamEmailMessages body")
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
def test_receive_stream_email_messages_blank_subject_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = ""
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestStreamEmailMessages body")
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), "Email with no subject")
def test_receive_stream_email_messages_subject_with_nonprintable_chars(
self,
) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "Test \u0000 subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.topic_name(), "Test subject")
# Now check that a subject that will be stripped to the empty string
# is handled correctly.
incoming_valid_message.replace_header("Subject", "\u0000")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.topic_name(), "Email with no subject")
def test_receive_private_stream_email_messages_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.make_stream("private_stream", invite_only=True)
self.subscribe(user_profile, "private_stream")
stream = get_stream("private_stream", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestStreamEmailMessages body")
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
def test_receive_stream_email_multiple_recipient_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
# stream address is angle-addr within multiple addresses
stream_to_addresses = [
"A.N. Other <another@example.org>",
f"Denmark <{encode_email_address(stream)}>",
]
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = ", ".join(stream_to_addresses)
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestStreamEmailMessages body")
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
def test_receive_stream_email_deactivated_stream(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
msgtext = "TestStreamEmailMessages Body"
incoming_valid_message = self.create_incoming_valid_message(
msgtext, stream, include_quotes=False
)
do_deactivate_stream(stream, acting_user=None)
last_message_id = Message.objects.latest("id").id
with self.assertLogs(logger_name, level="INFO") as m:
process_message(incoming_valid_message)
self.assertEqual(
m.output,
[
f"INFO:{logger_name}:Failed to process email to {stream.name} ({stream.realm.string_id}): "
f"Not authorized to send to channel '{stream.name}'",
],
)
self.assertEqual(Message.objects.latest("id").id, last_message_id)
def test_receive_stream_email_show_sender_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
msgtext = "TestStreamEmailMessages Body"
incoming_valid_message = self.create_incoming_valid_message(
msgtext, stream, include_quotes=False
)
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(
message.content,
"From: {}\n{}".format(self.example_email("hamlet"), msgtext),
)
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
def test_receive_stream_email_forwarded_success(self) -> None:
msgtext = """
Hello! Here is a message I am forwarding to this list.
I hope you enjoy reading it!
-Glen
From: John Doe johndoe@wherever
To: A Zulip-subscribed mailing list somelist@elsewhere
Subject: Some subject
Here is the original email. It is full of text
and other things
-John
"""
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
def send_and_check_contents(
msgtext: str, stream: Stream, include_quotes: bool, expected_body: str
) -> None:
incoming_valid_message = self.create_incoming_valid_message(
msgtext, stream, include_quotes
)
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
expected = "From: {}\n{}".format(self.example_email("hamlet"), expected_body)
self.assertEqual(message.content, expected.strip())
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
# include_quotes=True: expect the From:... to be preserved
send_and_check_contents(msgtext, stream, include_quotes=True, expected_body=msgtext)
# include_quotes=False: expect the From:... to be stripped
send_and_check_contents(
msgtext,
stream,
include_quotes=False,
expected_body="Hello! Here is a message I am forwarding to this list.\nI hope you enjoy reading it!\n-Glen",
)
def test_receive_stream_email_show_sender_utf8_encoded_sender(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
address = Address(addr_spec=encode_email_address(stream))
email_username = address.username + "+show-sender"
stream_to_address = Address(username=email_username, domain=address.domain).addr_spec
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = (
"Test =?utf-8?b?VXNlcsOzxIXEmQ==?= <=?utf-8?q?hamlet=5F=C4=99?=@zulip.com>"
)
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(
message.content,
"From: {}\n{}".format(
"Test Useróąę <hamlet_ę@zulip.com>", "TestStreamEmailMessages body"
),
)
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
def test_receive_stream_email_include_footer_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
address = Address(addr_spec=encode_email_address(stream))
email_username = address.username + "+include-footer"
stream_to_address = Address(username=email_username, domain=address.domain).addr_spec
text = """Test message
--
Footer"""
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content(text)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, text)
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
def test_receive_stream_email_include_quotes_success(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
address = Address(addr_spec=encode_email_address(stream))
email_username = address.username + "+include-quotes"
stream_to_address = Address(username=email_username, domain=address.domain).addr_spec
text = """Reply
-----Original Message-----
Quote"""
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content(text)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, text)
self.assert_message_stream_name(message, stream.name)
self.assertEqual(message.topic_name(), incoming_valid_message["Subject"])
class TestEmailMirrorMessagesWithAttachments(ZulipTestCase):
def test_message_with_valid_attachment(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
image_bytes = f.read()
incoming_valid_message.add_attachment(
image_bytes,
maintype="image",
subtype="png",
filename="image.png",
)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with mock.patch(
"zerver.lib.email_mirror.upload_message_attachment",
return_value=("https://test_url", "image.png"),
) as upload_message_attachment:
process_message(incoming_valid_message)
upload_message_attachment.assert_called_with(
"image.png",
"image/png",
image_bytes,
get_system_bot(settings.EMAIL_GATEWAY_BOT, stream.realm_id),
target_realm=user_profile.realm,
)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Test body\n\n[image.png](https://test_url)")
def test_message_with_valid_attachment_model_attributes_set_correctly(self) -> None:
"""
Verifies that the Attachment attributes are set correctly.
"""
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
image_bytes = f.read()
incoming_valid_message.add_attachment(
image_bytes,
maintype="image",
subtype="png",
filename="image.png",
)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
attachment = Attachment.objects.last()
assert attachment is not None
self.assertEqual(list(attachment.messages.values_list("id", flat=True)), [message.id])
self.assertEqual(
message.sender, get_system_bot(settings.EMAIL_GATEWAY_BOT, stream.realm_id)
)
self.assertEqual(attachment.realm, stream.realm)
self.assertEqual(attachment.is_realm_public, True)
def test_message_with_attachment_long_body(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("a" * settings.MAX_MESSAGE_LENGTH)
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
image_bytes = f.read()
incoming_valid_message.add_attachment(
image_bytes,
maintype="image",
subtype="png",
filename="image.png",
)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
attachment = Attachment.objects.last()
assert attachment is not None
self.assertEqual(list(attachment.messages.values_list("id", flat=True)), [message.id])
self.assertEqual(
message.sender, get_system_bot(settings.EMAIL_GATEWAY_BOT, stream.realm_id)
)
self.assertEqual(attachment.realm, stream.realm)
self.assertEqual(attachment.is_realm_public, True)
assert message.content.endswith(
f"aaaaaa\n[message truncated]\n[image.png](/user_uploads/{attachment.path_id})"
)
def test_message_with_attachment_utf8_filename(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
image_bytes = f.read()
utf8_filename = "image_ąęó.png"
incoming_valid_message.add_attachment(
image_bytes,
maintype="image",
subtype="png",
filename=utf8_filename,
)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with mock.patch(
"zerver.lib.email_mirror.upload_message_attachment",
return_value=("https://test_url", utf8_filename),
) as upload_message_attachment:
process_message(incoming_valid_message)
upload_message_attachment.assert_called_with(
utf8_filename,
"image/png",
image_bytes,
get_system_bot(settings.EMAIL_GATEWAY_BOT, stream.realm_id),
target_realm=user_profile.realm,
)
message = most_recent_message(user_profile)
self.assertEqual(message.content, f"Test body\n\n[{utf8_filename}](https://test_url)")
def test_message_with_valid_nested_attachment(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
nested_multipart = EmailMessage()
nested_multipart.set_content("Nested text that should get skipped.")
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
image_bytes = f.read()
nested_multipart.add_attachment(
image_bytes,
maintype="image",
subtype="png",
filename="image.png",
)
incoming_valid_message.add_attachment(nested_multipart)
incoming_valid_message["Subject"] = "Subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with mock.patch(
"zerver.lib.email_mirror.upload_message_attachment",
return_value=("https://test_url", "image.png"),
) as upload_message_attachment:
process_message(incoming_valid_message)
upload_message_attachment.assert_called_with(
"image.png",
"image/png",
image_bytes,
get_system_bot(settings.EMAIL_GATEWAY_BOT, stream.realm_id),
target_realm=user_profile.realm,
)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Test body\n\n[image.png](https://test_url)")
def test_message_with_invalid_attachment(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
# Create an invalid attachment:
attachment_msg = MIMEPart()
attachment_msg.add_header("Content-Disposition", "attachment", filename="some_attachment")
incoming_valid_message.add_attachment(attachment_msg)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with self.assertLogs(logger_name, level="WARNING") as m:
process_message(incoming_valid_message)
self.assertEqual(
m.output,
[
"WARNING:{}:Payload is not bytes (invalid attachment {} in message from {}).".format(
logger_name, "some_attachment", self.example_email("hamlet")
)
],
)
def test_receive_plaintext_and_html_prefer_text_html_options(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_address = f"Denmark.{stream.email_token}@testserver"
stream_address_prefer_html = f"Denmark.{stream.email_token}.prefer-html@testserver"
text = "Test message"
html = "<html><body><b>Test html message</b></body></html>"
incoming_valid_message = EmailMessage()
incoming_valid_message.add_alternative(text)
incoming_valid_message.add_alternative(html, subtype="html")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Test message")
del incoming_valid_message["To"]
incoming_valid_message["To"] = stream_address_prefer_html
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "**Test html message**")
def test_receive_only_plaintext_with_prefer_html_option(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_address_prefer_html = f"Denmark.{stream.email_token}.prefer-html@testserver"
text = "Test message"
# This should be correctly identified as empty html body:
html = "<html><body></body></html>"
incoming_valid_message = EmailMessage()
incoming_valid_message.add_alternative(text)
incoming_valid_message.add_alternative(html, subtype="html")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_address_prefer_html
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
# HTML body is empty, so the plaintext content should be picked, despite prefer-html option.
self.assertEqual(message.content, "Test message")
def test_message_with_valid_attachment_missed_message(self) -> None:
user_profile = self.example_user("othello")
usermessage = most_recent_usermessage(user_profile)
mm_address = create_missed_message_address(user_profile, usermessage.message)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
image_bytes = f.read()
incoming_valid_message.add_attachment(
image_bytes,
maintype="image",
subtype="png",
filename="image.png",
)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("othello")
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.sender, user_profile)
self.assertTrue(message.has_attachment)
attachment = Attachment.objects.last()
assert attachment is not None
self.assertEqual(attachment.realm, user_profile.realm)
self.assertEqual(attachment.owner, user_profile)
self.assertEqual(attachment.is_realm_public, True)
self.assertEqual(list(attachment.messages.values_list("id", flat=True)), [message.id])
class TestStreamEmailMessagesEmptyBody(ZulipTestCase):
def test_receive_stream_email_messages_empty_body(self) -> None:
# build dummy messages for stream
# test message with empty body is not sent
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
# empty body
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with self.assertLogs(logger_name, level="INFO") as m:
process_message(incoming_valid_message)
self.assertEqual(
m.output,
[f"INFO:{logger_name}:Email has no nonempty body sections; ignoring."],
)
def test_receive_stream_email_messages_no_textual_body(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
# No textual body
incoming_valid_message = EmailMessage()
with open(
os.path.join(settings.DEPLOY_ROOT, "static/images/default-avatar.png"), "rb"
) as f:
incoming_valid_message.add_attachment(
f.read(),
maintype="image",
subtype="png",
)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with self.assertLogs(logger_name, level="INFO") as m:
process_message(incoming_valid_message)
self.assertEqual(
m.output,
[
f"WARNING:{logger_name}:Content types: ['multipart/mixed', 'image/png']",
f"INFO:{logger_name}:Unable to find plaintext or HTML message body",
],
)
def test_receive_stream_email_messages_empty_body_after_stripping(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
headers = {}
headers["Reply-To"] = self.example_email("othello")
# empty body
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("-- \nFooter")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "(No email body)")
class TestMissedMessageEmailMessages(ZulipTestCase):
def test_receive_missed_personal_message_email_messages(self) -> None:
# Build dummy messages for message notification email reply.
# Have Hamlet send Othello a direct message. Othello will
# reply via email Hamlet will receive the message.
self.login("hamlet")
othello = self.example_user("othello")
result = self.client_post(
"/json/messages",
{
"type": "private",
"content": "test_receive_missed_message_email_messages",
"to": orjson.dumps([othello.id]).decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("othello")
usermessage = most_recent_usermessage(user_profile)
# we don't want to send actual emails but we do need to create and store the
# token for looking up who did reply.
mm_address = create_missed_message_address(user_profile, usermessage.message)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = self.example_email("othello")
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
with self.assert_database_query_count(16):
process_message(incoming_valid_message)
# confirm that Hamlet got the message
user_profile = self.example_user("hamlet")
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestMissedMessageEmailMessages body")
self.assertEqual(message.sender, self.example_user("othello"))
self.assertEqual(message.recipient.type_id, user_profile.id)
self.assertEqual(message.recipient.type, Recipient.PERSONAL)
def test_receive_missed_group_direct_message_email_messages(self) -> None:
# Build dummy messages for message notification email reply.
# Have Othello send Iago and Cordelia a group direct message.
# Cordelia will reply via email Iago and Othello will receive
# the message.
self.login("othello")
cordelia = self.example_user("cordelia")
iago = self.example_user("iago")
result = self.client_post(
"/json/messages",
{
"type": "private",
"content": "test_receive_missed_message_email_messages",
"to": orjson.dumps([cordelia.id, iago.id]).decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("cordelia")
usermessage = most_recent_usermessage(user_profile)
# we don't want to send actual emails but we do need to create and store the
# token for looking up who did reply.
mm_address = create_missed_message_address(user_profile, usermessage.message)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedGroupDirectMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedGroupDirectMessageEmailMessages subject"
incoming_valid_message["From"] = self.example_email("cordelia")
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = self.example_email("cordelia")
with self.assert_database_query_count(21):
process_message(incoming_valid_message)
# Confirm Iago received the message.
user_profile = self.example_user("iago")
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestMissedGroupDirectMessageEmailMessages body")
self.assertEqual(message.sender, self.example_user("cordelia"))
self.assertEqual(message.recipient.type, Recipient.DIRECT_MESSAGE_GROUP)
# Confirm Othello received the message.
user_profile = self.example_user("othello")
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestMissedGroupDirectMessageEmailMessages body")
self.assertEqual(message.sender, self.example_user("cordelia"))
self.assertEqual(message.recipient.type, Recipient.DIRECT_MESSAGE_GROUP)
def test_receive_missed_stream_message_email_messages(self) -> None:
# build dummy messages for message notification email reply
# have Hamlet send a message to stream Denmark, that Othello
# will receive a message notification email about.
# Othello will reply via email.
# Hamlet will see the message in the stream.
self.subscribe(self.example_user("hamlet"), "Denmark")
self.subscribe(self.example_user("othello"), "Denmark")
self.login("hamlet")
result = self.client_post(
"/json/messages",
{
"type": "stream",
"topic": "test topic",
"content": "test_receive_missed_stream_message_email_messages",
"to": orjson.dumps("Denmark").decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("othello")
usermessage = most_recent_usermessage(user_profile)
mm_address = create_missed_message_address(user_profile, usermessage.message)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
with self.assert_database_query_count(17):
process_message(incoming_valid_message)
# confirm that Hamlet got the message
user_profile = self.example_user("hamlet")
message = most_recent_message(user_profile)
self.assertEqual(message.content, "TestMissedMessageEmailMessages body")
self.assertEqual(message.sender, self.example_user("othello"))
self.assertEqual(message.recipient.type, Recipient.STREAM)
self.assertEqual(message.recipient.id, usermessage.message.recipient.id)
def test_receive_email_response_for_auth_failures(self) -> None:
user_profile = self.example_user("hamlet")
self.subscribe(user_profile, "announce")
self.login("hamlet")
result = self.client_post(
"/json/messages",
{
"type": "stream",
"topic": "test topic",
"content": "test_receive_email_response_for_auth_failures",
"to": orjson.dumps("announce").decode(),
},
)
self.assert_json_success(result)
stream = get_stream("announce", user_profile.realm)
do_change_stream_post_policy(
stream, Stream.STREAM_POST_POLICY_ADMINS, acting_user=user_profile
)
usermessage = most_recent_usermessage(user_profile)
mm_address = create_missed_message_address(user_profile, usermessage.message)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(
message.content,
"Error sending message to channel announce via message notification email reply:\nOnly organization administrators can send to this channel.",
)
self.assertEqual(
message.sender,
get_system_bot(settings.NOTIFICATION_BOT, user_profile.realm_id),
)
def test_missed_stream_message_email_response_tracks_topic_change(self) -> None:
self.subscribe(self.example_user("hamlet"), "Denmark")
self.subscribe(self.example_user("othello"), "Denmark")
self.login("hamlet")
result = self.client_post(
"/json/messages",
{
"type": "stream",
"topic": "test topic",
"content": "test_receive_missed_stream_message_email_messages",
"to": orjson.dumps("Denmark").decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("othello")
usermessage = most_recent_usermessage(user_profile)
mm_address = create_missed_message_address(user_profile, usermessage.message)
# The mm address has been generated, now we change the topic of the message and see
# if the response to the mm address will be correctly posted with the updated topic.
usermessage.message.subject = "updated topic"
usermessage.message.save(update_fields=["subject"])
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
process_message(incoming_valid_message)
# confirm that Hamlet got the message
user_profile = self.example_user("hamlet")
message = most_recent_message(user_profile)
self.assertEqual(message.subject, "updated topic")
self.assertEqual(message.content, "TestMissedMessageEmailMessages body")
self.assertEqual(message.sender, self.example_user("othello"))
self.assertEqual(message.recipient.type, Recipient.STREAM)
self.assertEqual(message.recipient.id, usermessage.message.recipient.id)
def test_missed_message_email_response_from_deactivated_user(self) -> None:
self.subscribe(self.example_user("hamlet"), "Denmark")
self.subscribe(self.example_user("othello"), "Denmark")
self.login("hamlet")
result = self.client_post(
"/json/messages",
{
"type": "stream",
"topic": "test topic",
"content": "test_receive_missed_stream_message_email_messages",
"to": orjson.dumps("Denmark").decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("othello")
message = most_recent_message(user_profile)
mm_address = create_missed_message_address(user_profile, message)
do_deactivate_user(user_profile, acting_user=None)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
initial_last_message = self.get_last_message()
process_message(incoming_valid_message)
# Since othello is deactivated, his message shouldn't be posted:
self.assertEqual(initial_last_message, self.get_last_message())
def test_missed_message_email_response_from_deactivated_realm(self) -> None:
self.subscribe(self.example_user("hamlet"), "Denmark")
self.subscribe(self.example_user("othello"), "Denmark")
self.login("hamlet")
result = self.client_post(
"/json/messages",
{
"type": "stream",
"topic": "test topic",
"content": "test_receive_missed_stream_message_email_messages",
"to": orjson.dumps("Denmark").decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("othello")
message = most_recent_message(user_profile)
mm_address = create_missed_message_address(user_profile, message)
do_deactivate_realm(
user_profile.realm,
acting_user=None,
deactivation_reason="owner_request",
email_owners=False,
)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
initial_last_message = self.get_last_message()
process_message(incoming_valid_message)
# Since othello's realm is deactivated, his message shouldn't be posted:
self.assertEqual(initial_last_message, self.get_last_message())
def test_missed_message_email_multiple_responses(self) -> None:
self.subscribe(self.example_user("hamlet"), "Denmark")
self.subscribe(self.example_user("othello"), "Denmark")
self.login("hamlet")
result = self.client_post(
"/json/messages",
{
"type": "stream",
"topic": "test topic",
"content": "test_receive_missed_stream_message_email_messages",
"to": orjson.dumps("Denmark").decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("othello")
message = most_recent_message(user_profile)
mm_address = create_missed_message_address(user_profile, message)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestMissedMessageEmailMessages body")
incoming_valid_message["Subject"] = "TestMissedMessageEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = mm_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
# there is no longer a usage limit. Ensure we can send multiple times.
for i in range(5):
process_missed_message(mm_address, incoming_valid_message)
class TestEmptyGatewaySetting(ZulipTestCase):
def test_missed_message(self) -> None:
self.login("othello")
cordelia = self.example_user("cordelia")
iago = self.example_user("iago")
payload = dict(
type="private",
content="test_receive_missed_message_email_messages",
to=orjson.dumps([cordelia.id, iago.id]).decode(),
)
result = self.client_post("/json/messages", payload)
self.assert_json_success(result)
user_profile = self.example_user("cordelia")
usermessage = most_recent_usermessage(user_profile)
with self.settings(EMAIL_GATEWAY_PATTERN=""):
mm_address = create_missed_message_address(user_profile, usermessage.message)
self.assertEqual(mm_address, FromAddress.NOREPLY)
def test_encode_email_addr(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
with self.settings(EMAIL_GATEWAY_PATTERN=""):
test_address = encode_email_address(stream)
self.assertEqual(test_address, "")
class TestReplyExtraction(ZulipTestCase):
def test_is_forwarded(self) -> None:
self.assertTrue(is_forwarded("FWD: hey"))
self.assertTrue(is_forwarded("fwd: hi"))
self.assertTrue(is_forwarded("[fwd] subject"))
self.assertTrue(is_forwarded("FWD: RE:"))
self.assertTrue(is_forwarded("Fwd: RE: fwd: re: subject"))
self.assertFalse(is_forwarded("subject"))
self.assertFalse(is_forwarded("RE: FWD: hi"))
self.assertFalse(is_forwarded("AW: FWD: hi"))
def test_reply_is_extracted_from_plain(self) -> None:
# build dummy messages for stream
# test valid incoming stream message is processed properly
self.login("hamlet")
user_profile = self.example_user("hamlet")
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
text = """Reply
-----Original Message-----
Quote"""
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content(text)
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Reply")
# Don't extract if Subject indicates the email has been forwarded into the mirror:
del incoming_valid_message["Subject"]
incoming_valid_message["Subject"] = "FWD: TestStreamEmailMessages subject"
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, text)
def test_reply_is_extracted_from_html(self) -> None:
# build dummy messages for stream
# test valid incoming stream message is processed properly
self.login("hamlet")
user_profile = self.example_user("hamlet")
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
html = """
<html>
<body>
<p>Reply</p>
<blockquote>
<div>
On 11-Apr-2011, at 6:54 PM, Bob &lt;bob@example.com&gt; wrote:
</div>
<div>
Quote
</div>
</blockquote>
</body>
</html>
"""
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content(html, subtype="html")
incoming_valid_message["Subject"] = "TestStreamEmailMessages subject"
incoming_valid_message["From"] = user_profile.delivery_email
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = user_profile.delivery_email
process_message(incoming_valid_message)
# Hamlet is subscribed to this stream so should see the email message from Othello.
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Reply")
# Don't extract if Subject indicates the email has been forwarded into the mirror:
del incoming_valid_message["Subject"]
incoming_valid_message["Subject"] = "FWD: TestStreamEmailMessages subject"
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, convert_html_to_markdown(html))
class TestScriptMTA(ZulipTestCase):
def test_success(self) -> None:
script = os.path.join(os.path.dirname(__file__), "../../scripts/lib/email-mirror-postfix")
sender = self.example_email("hamlet")
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream)
mail_template = self.fixture_data("simple.txt", type="email")
mail = mail_template.format(stream_to_address=stream_to_address, sender=sender)
subprocess.run(
[script, "-r", stream_to_address, "-s", settings.SHARED_SECRET, "-t"],
input=mail,
check=True,
text=True,
)
def test_error_no_recipient(self) -> None:
script = os.path.join(os.path.dirname(__file__), "../../scripts/lib/email-mirror-postfix")
sender = self.example_email("hamlet")
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream)
mail_template = self.fixture_data("simple.txt", type="email")
mail = mail_template.format(stream_to_address=stream_to_address, sender=sender)
p = subprocess.run(
[script, "-s", settings.SHARED_SECRET, "-t"],
input=mail,
stdout=subprocess.PIPE,
text=True,
check=False,
)
self.assertEqual(
p.stdout,
"5.1.1 Bad destination mailbox address: No missed message email address.\n",
)
self.assertEqual(p.returncode, 67)
class TestEmailMirrorTornadoView(ZulipTestCase):
def send_private_message(self) -> str:
self.login("othello")
cordelia = self.example_user("cordelia")
iago = self.example_user("iago")
result = self.client_post(
"/json/messages",
{
"type": "private",
"content": "test_receive_missed_message_email_messages",
"to": orjson.dumps([cordelia.id, iago.id]).decode(),
},
)
self.assert_json_success(result)
user_profile = self.example_user("cordelia")
user_message = most_recent_usermessage(user_profile)
return create_missed_message_address(user_profile, user_message.message)
def send_offline_message(self, to_address: str, sender: UserProfile) -> "TestHttpResponse":
mail_template = self.fixture_data("simple.txt", type="email")
mail = mail_template.format(stream_to_address=to_address, sender=sender.delivery_email)
msg_base64 = base64.b64encode(mail.encode()).decode()
def check_queue_json_publish(
queue_name: str,
event: Mapping[str, Any],
processor: Callable[[Any], None] | None = None,
) -> None:
self.assertEqual(queue_name, "email_mirror")
self.assertEqual(event, {"rcpt_to": to_address, "msg_base64": msg_base64})
MirrorWorker().consume(event)
self.assertEqual(
self.get_last_message().content,
"This is a plain-text message for testing Zulip.",
)
post_data = {
"rcpt_to": to_address,
"msg_base64": msg_base64,
"secret": settings.SHARED_SECRET,
}
with mock_queue_publish("zerver.lib.email_mirror.queue_json_publish") as m:
m.side_effect = check_queue_json_publish
return self.client_post("/api/internal/email_mirror_message", post_data)
def test_success_stream(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream)
result = self.send_offline_message(stream_to_address, self.example_user("hamlet"))
self.assert_json_success(result)
def test_error_to_stream_with_wrong_address(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream)
# get the email_token:
token = decode_email_address(stream_to_address)[0]
stream_to_address = stream_to_address.replace(token, "Wrong_token")
result = self.send_offline_message(stream_to_address, self.example_user("hamlet"))
self.assert_json_error(
result,
"5.1.1 Bad destination mailbox address: "
"Bad stream token from email recipient " + stream_to_address,
)
def test_success_to_stream_with_good_token_wrong_stream_name(self) -> None:
stream = get_stream("Denmark", get_realm("zulip"))
stream_to_address = encode_email_address(stream)
stream_to_address = stream_to_address.replace("denmark", "Wrong_name")
result = self.send_offline_message(stream_to_address, self.example_user("hamlet"))
self.assert_json_success(result)
def test_success_to_private(self) -> None:
mm_address = self.send_private_message()
result = self.send_offline_message(mm_address, self.example_user("cordelia"))
self.assert_json_success(result)
def test_using_mm_address_multiple_times(self) -> None:
mm_address = self.send_private_message()
# there is no longer a usage limit. Ensure we can send multiple times.
for i in range(5):
result = self.send_offline_message(mm_address, self.example_user("cordelia"))
self.assert_json_success(result)
def test_wrong_missed_email_private_message(self) -> None:
self.send_private_message()
mm_address = "mm" + ("x" * 32) + "@testserver"
result = self.send_offline_message(mm_address, self.example_user("cordelia"))
self.assert_json_error(
result,
"5.1.1 Bad destination mailbox address: Zulip notification reply address is invalid.",
)
class TestStreamEmailMessagesSubjectStripping(ZulipTestCase):
def test_process_message_strips_subject(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("TestStreamEmailMessages body")
incoming_valid_message["Subject"] = "Re: Fwd: Re: AW: Test"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
incoming_valid_message["Reply-to"] = self.example_email("othello")
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual("Test", message.topic_name())
# If after stripping we get an empty subject, it should get set to Email with no subject
del incoming_valid_message["Subject"]
incoming_valid_message["Subject"] = "Re: Fwd: Re: "
process_message(incoming_valid_message)
message = most_recent_message(user_profile)
self.assertEqual("Email with no subject", message.topic_name())
def test_strip_from_subject(self) -> None:
subject_list = orjson.loads(self.fixture_data("subjects.json", type="email"))
for subject in subject_list:
stripped = strip_from_subject(subject["original_subject"])
self.assertEqual(stripped, subject["stripped_subject"])
# If the Content-Type header didn't specify a charset, the text content
# of the email used to not be properly found. Test that this is fixed:
class TestContentTypeUnspecifiedCharset(ZulipTestCase):
def test_charset_not_specified(self) -> None:
message_as_string = self.fixture_data("1.txt", type="email")
message_as_string = message_as_string.replace(
'Content-Type: text/plain; charset="us-ascii"', "Content-Type: text/plain"
)
incoming_message = message_from_string(message_as_string, policy=email.policy.default)
# https://github.com/python/typeshed/issues/2417
assert isinstance(incoming_message, EmailMessage)
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
del incoming_message["To"]
incoming_message["To"] = stream_to_address
process_message(incoming_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Email fixture 1.txt body")
class TestContentTypeInvalidCharset(ZulipTestCase):
def test_unknown_charset(self) -> None:
message_as_string = self.fixture_data("1.txt", type="email")
message_as_string = message_as_string.replace(
'Content-Type: text/plain; charset="us-ascii"',
'Content-Type: text/plain; charset="bogus"',
)
incoming_message = message_from_string(message_as_string, policy=email.policy.default)
# https://github.com/python/typeshed/issues/2417
assert isinstance(incoming_message, EmailMessage)
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "Denmark")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
del incoming_message["To"]
incoming_message["To"] = stream_to_address
process_message(incoming_message)
message = most_recent_message(user_profile)
self.assertEqual(message.content, "Email fixture 1.txt body")
class TestEmailMirrorProcessMessageNoValidRecipient(ZulipTestCase):
def test_process_message_no_valid_recipient(self) -> None:
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
incoming_valid_message["Subject"] = "Test subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = "address@wrongdomain, address@notzulip"
incoming_valid_message["Reply-to"] = self.example_email("othello")
with mock.patch("zerver.lib.email_mirror.log_error") as mock_log_error:
process_message(incoming_valid_message)
mock_log_error.assert_called_with(
incoming_valid_message, "Missing recipient in mirror email", None
)
class TestEmailMirrorLogAndReport(ZulipTestCase):
def test_log_error(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "errors")
stream = get_stream("Denmark", user_profile.realm)
stream_to_address = encode_email_address(stream)
incoming_valid_message = EmailMessage()
incoming_valid_message.set_content("Test body")
incoming_valid_message["Subject"] = "Test subject"
incoming_valid_message["From"] = self.example_email("hamlet")
incoming_valid_message["To"] = stream_to_address
with self.assertLogs("zerver.lib.email_mirror", "ERROR") as error_log:
log_error(incoming_valid_message, "test error message", stream_to_address)
self.assertEqual(
error_log.output,
[
f"ERROR:zerver.lib.email_mirror:Sender: hamlet@zulip.com\nTo: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX@testserver <Address to stream id: {stream.id}>\ntest error message"
],
)
with self.assertLogs("zerver.lib.email_mirror", "ERROR") as error_log:
log_error(incoming_valid_message, "test error message", None)
self.assertEqual(
error_log.output,
[
"ERROR:zerver.lib.email_mirror:Sender: hamlet@zulip.com\nTo: No recipient found\ntest error message"
],
)
def test_redact_email_address(self) -> None:
user_profile = self.example_user("hamlet")
self.login_user(user_profile)
self.subscribe(user_profile, "errors")
stream = get_stream("Denmark", user_profile.realm)
# Test for a stream address:
stream_to_address = encode_email_address(stream)
address = Address(addr_spec=stream_to_address)
scrubbed_stream_address = Address(
username="X" * len(address.username), domain=address.domain
).addr_spec
error_message = "test message {}"
error_message = error_message.format(stream_to_address)
expected_message = "test message {} <Address to stream id: {}>"
expected_message = expected_message.format(scrubbed_stream_address, stream.id)
redacted_message = redact_email_address(error_message)
self.assertEqual(redacted_message, expected_message)
# Test for an invalid email address:
invalid_address = "invalid@testserver"
error_message = "test message {}"
error_message = error_message.format(invalid_address)
expected_message = "test message {} <Invalid address>"
expected_message = expected_message.format("XXXXXXX@testserver")
redacted_message = redact_email_address(error_message)
self.assertEqual(redacted_message, expected_message)
# Test for a missed message address:
cordelia = self.example_user("cordelia")
iago = self.example_user("iago")
result = self.client_post(
"/json/messages",
{
"type": "private",
"content": "test_redact_email_message",
"to": orjson.dumps([cordelia.email, iago.email]).decode(),
},
)
self.assert_json_success(result)
cordelia_profile = self.example_user("cordelia")
user_message = most_recent_usermessage(cordelia_profile)
mm_address = create_missed_message_address(user_profile, user_message.message)
error_message = "test message {}"
error_message = error_message.format(mm_address)
expected_message = "test message {} <Missed message address>"
expected_message = expected_message.format("X" * 34 + "@testserver")
redacted_message = redact_email_address(error_message)
self.assertEqual(redacted_message, expected_message)
# Test if redacting correctly scrubs multiple occurrences of the address:
error_message = "test message first occurrence: {} second occurrence: {}"
error_message = error_message.format(stream_to_address, stream_to_address)
expected_message = "test message first occurrence: {} <Address to stream id: {}>"
expected_message += " second occurrence: {} <Address to stream id: {}>"
expected_message = expected_message.format(
scrubbed_stream_address, stream.id, scrubbed_stream_address, stream.id
)
redacted_message = redact_email_address(error_message)
self.assertEqual(redacted_message, expected_message)
# Test with EMAIL_GATEWAY_EXTRA_PATTERN_HACK:
with self.settings(EMAIL_GATEWAY_EXTRA_PATTERN_HACK="@zulip.org"):
stream_to_address = stream_to_address.replace("@testserver", "@zulip.org")
scrubbed_stream_address = scrubbed_stream_address.replace("@testserver", "@zulip.org")
error_message = "test message {}"
error_message = error_message.format(stream_to_address)
expected_message = "test message {} <Address to stream id: {}>"
expected_message = expected_message.format(scrubbed_stream_address, stream.id)
redacted_message = redact_email_address(error_message)
self.assertEqual(redacted_message, expected_message)