mirror of
https://github.com/element-hq/synapse.git
synced 2024-11-26 03:25:53 +03:00
7afb5e0410
Refresh tokens were not correctly moved to the rehydrated device (similar to how the access token is currently handled). This resulted in invalid refresh tokens after rehydration.
633 lines
23 KiB
Python
633 lines
23 KiB
Python
# Copyright 2016 OpenMarket Ltd
|
|
# Copyright 2018 New Vector Ltd
|
|
# Copyright 2020 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 Optional
|
|
from unittest import mock
|
|
|
|
from twisted.internet.defer import ensureDeferred
|
|
from twisted.test.proto_helpers import MemoryReactor
|
|
|
|
from synapse.api.constants import RoomEncryptionAlgorithms
|
|
from synapse.api.errors import NotFoundError, SynapseError
|
|
from synapse.appservice import ApplicationService
|
|
from synapse.handlers.device import MAX_DEVICE_DISPLAY_NAME_LEN, DeviceHandler
|
|
from synapse.rest import admin
|
|
from synapse.rest.client import devices, login, register
|
|
from synapse.server import HomeServer
|
|
from synapse.storage.databases.main.appservice import _make_exclusive_regex
|
|
from synapse.types import JsonDict, create_requester
|
|
from synapse.util import Clock
|
|
from synapse.util.task_scheduler import TaskScheduler
|
|
|
|
from tests import unittest
|
|
from tests.unittest import override_config
|
|
|
|
user1 = "@boris:aaa"
|
|
user2 = "@theresa:bbb"
|
|
|
|
|
|
class DeviceTestCase(unittest.HomeserverTestCase):
|
|
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
|
|
self.appservice_api = mock.AsyncMock()
|
|
hs = self.setup_test_homeserver(
|
|
"server",
|
|
application_service_api=self.appservice_api,
|
|
)
|
|
handler = hs.get_device_handler()
|
|
assert isinstance(handler, DeviceHandler)
|
|
self.handler = handler
|
|
self.store = hs.get_datastores().main
|
|
self.device_message_handler = hs.get_device_message_handler()
|
|
return hs
|
|
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
|
# These tests assume that it starts 1000 seconds in.
|
|
self.reactor.advance(1000)
|
|
|
|
def test_device_is_created_with_invalid_name(self) -> None:
|
|
self.get_failure(
|
|
self.handler.check_device_registered(
|
|
user_id="@boris:foo",
|
|
device_id="foo",
|
|
initial_device_display_name="a" * (MAX_DEVICE_DISPLAY_NAME_LEN + 1),
|
|
),
|
|
SynapseError,
|
|
)
|
|
|
|
def test_device_is_created_if_doesnt_exist(self) -> None:
|
|
res = self.get_success(
|
|
self.handler.check_device_registered(
|
|
user_id="@boris:foo",
|
|
device_id="fco",
|
|
initial_device_display_name="display name",
|
|
)
|
|
)
|
|
self.assertEqual(res, "fco")
|
|
|
|
dev = self.get_success(self.handler.store.get_device("@boris:foo", "fco"))
|
|
assert dev is not None
|
|
self.assertEqual(dev["display_name"], "display name")
|
|
|
|
def test_device_is_preserved_if_exists(self) -> None:
|
|
res1 = self.get_success(
|
|
self.handler.check_device_registered(
|
|
user_id="@boris:foo",
|
|
device_id="fco",
|
|
initial_device_display_name="display name",
|
|
)
|
|
)
|
|
self.assertEqual(res1, "fco")
|
|
|
|
res2 = self.get_success(
|
|
self.handler.check_device_registered(
|
|
user_id="@boris:foo",
|
|
device_id="fco",
|
|
initial_device_display_name="new display name",
|
|
)
|
|
)
|
|
self.assertEqual(res2, "fco")
|
|
|
|
dev = self.get_success(self.handler.store.get_device("@boris:foo", "fco"))
|
|
assert dev is not None
|
|
self.assertEqual(dev["display_name"], "display name")
|
|
|
|
def test_device_id_is_made_up_if_unspecified(self) -> None:
|
|
device_id = self.get_success(
|
|
self.handler.check_device_registered(
|
|
user_id="@theresa:foo",
|
|
device_id=None,
|
|
initial_device_display_name="display",
|
|
)
|
|
)
|
|
|
|
dev = self.get_success(self.handler.store.get_device("@theresa:foo", device_id))
|
|
assert dev is not None
|
|
self.assertEqual(dev["display_name"], "display")
|
|
|
|
def test_get_devices_by_user(self) -> None:
|
|
self._record_users()
|
|
|
|
res = self.get_success(self.handler.get_devices_by_user(user1))
|
|
|
|
self.assertEqual(3, len(res))
|
|
device_map = {d["device_id"]: d for d in res}
|
|
self.assertLessEqual(
|
|
{
|
|
"user_id": user1,
|
|
"device_id": "xyz",
|
|
"display_name": "display 0",
|
|
"last_seen_ip": None,
|
|
"last_seen_ts": None,
|
|
}.items(),
|
|
device_map["xyz"].items(),
|
|
)
|
|
self.assertLessEqual(
|
|
{
|
|
"user_id": user1,
|
|
"device_id": "fco",
|
|
"display_name": "display 1",
|
|
"last_seen_ip": "ip1",
|
|
"last_seen_ts": 1000000,
|
|
}.items(),
|
|
device_map["fco"].items(),
|
|
)
|
|
self.assertLessEqual(
|
|
{
|
|
"user_id": user1,
|
|
"device_id": "abc",
|
|
"display_name": "display 2",
|
|
"last_seen_ip": "ip3",
|
|
"last_seen_ts": 3000000,
|
|
}.items(),
|
|
device_map["abc"].items(),
|
|
)
|
|
|
|
def test_get_device(self) -> None:
|
|
self._record_users()
|
|
|
|
res = self.get_success(self.handler.get_device(user1, "abc"))
|
|
self.assertLessEqual(
|
|
{
|
|
"user_id": user1,
|
|
"device_id": "abc",
|
|
"display_name": "display 2",
|
|
"last_seen_ip": "ip3",
|
|
"last_seen_ts": 3000000,
|
|
}.items(),
|
|
res.items(),
|
|
)
|
|
|
|
def test_delete_device(self) -> None:
|
|
self._record_users()
|
|
|
|
# delete the device
|
|
self.get_success(self.handler.delete_devices(user1, ["abc"]))
|
|
|
|
# check the device was deleted
|
|
self.get_failure(self.handler.get_device(user1, "abc"), NotFoundError)
|
|
|
|
# we'd like to check the access token was invalidated, but that's a
|
|
# bit of a PITA.
|
|
|
|
def test_delete_device_and_device_inbox(self) -> None:
|
|
self._record_users()
|
|
|
|
# add an device_inbox
|
|
self.get_success(
|
|
self.store.db_pool.simple_insert(
|
|
"device_inbox",
|
|
{
|
|
"user_id": user1,
|
|
"device_id": "abc",
|
|
"stream_id": 1,
|
|
"message_json": "{}",
|
|
},
|
|
)
|
|
)
|
|
|
|
# delete the device
|
|
self.get_success(self.handler.delete_devices(user1, ["abc"]))
|
|
|
|
# check that the device_inbox was deleted
|
|
res = self.get_success(
|
|
self.store.db_pool.simple_select_one(
|
|
table="device_inbox",
|
|
keyvalues={"user_id": user1, "device_id": "abc"},
|
|
retcols=("user_id", "device_id"),
|
|
allow_none=True,
|
|
desc="get_device_id_from_device_inbox",
|
|
)
|
|
)
|
|
self.assertIsNone(res)
|
|
|
|
def test_delete_device_and_big_device_inbox(self) -> None:
|
|
"""Check that deleting a big device inbox is staged and batched asynchronously."""
|
|
DEVICE_ID = "abc"
|
|
sender = "@sender:" + self.hs.hostname
|
|
receiver = "@receiver:" + self.hs.hostname
|
|
self._record_user(sender, DEVICE_ID, DEVICE_ID)
|
|
self._record_user(receiver, DEVICE_ID, DEVICE_ID)
|
|
|
|
# queue a bunch of messages in the inbox
|
|
requester = create_requester(sender, device_id=DEVICE_ID)
|
|
for i in range(DeviceHandler.DEVICE_MSGS_DELETE_BATCH_LIMIT + 10):
|
|
self.get_success(
|
|
self.device_message_handler.send_device_message(
|
|
requester, "message_type", {receiver: {"*": {"val": i}}}
|
|
)
|
|
)
|
|
|
|
# delete the device
|
|
self.get_success(self.handler.delete_devices(receiver, [DEVICE_ID]))
|
|
|
|
# messages should be deleted up to DEVICE_MSGS_DELETE_BATCH_LIMIT straight away
|
|
res = self.get_success(
|
|
self.store.db_pool.simple_select_list(
|
|
table="device_inbox",
|
|
keyvalues={"user_id": receiver},
|
|
retcols=("user_id", "device_id", "stream_id"),
|
|
desc="get_device_id_from_device_inbox",
|
|
)
|
|
)
|
|
self.assertEqual(10, len(res))
|
|
|
|
# wait for the task scheduler to do a second delete pass
|
|
self.reactor.advance(TaskScheduler.SCHEDULE_INTERVAL_MS / 1000)
|
|
|
|
# remaining messages should now be deleted
|
|
res = self.get_success(
|
|
self.store.db_pool.simple_select_list(
|
|
table="device_inbox",
|
|
keyvalues={"user_id": receiver},
|
|
retcols=("user_id", "device_id", "stream_id"),
|
|
desc="get_device_id_from_device_inbox",
|
|
)
|
|
)
|
|
self.assertEqual(0, len(res))
|
|
|
|
def test_update_device(self) -> None:
|
|
self._record_users()
|
|
|
|
update = {"display_name": "new display"}
|
|
self.get_success(self.handler.update_device(user1, "abc", update))
|
|
|
|
res = self.get_success(self.handler.get_device(user1, "abc"))
|
|
self.assertEqual(res["display_name"], "new display")
|
|
|
|
def test_update_device_too_long_display_name(self) -> None:
|
|
"""Update a device with a display name that is invalid (too long)."""
|
|
self._record_users()
|
|
|
|
# Request to update a device display name with a new value that is longer than allowed.
|
|
update = {"display_name": "a" * (MAX_DEVICE_DISPLAY_NAME_LEN + 1)}
|
|
self.get_failure(
|
|
self.handler.update_device(user1, "abc", update),
|
|
SynapseError,
|
|
)
|
|
|
|
# Ensure the display name was not updated.
|
|
res = self.get_success(self.handler.get_device(user1, "abc"))
|
|
self.assertEqual(res["display_name"], "display 2")
|
|
|
|
def test_update_unknown_device(self) -> None:
|
|
update = {"display_name": "new_display"}
|
|
self.get_failure(
|
|
self.handler.update_device("user_id", "unknown_device_id", update),
|
|
NotFoundError,
|
|
)
|
|
|
|
def _record_users(self) -> None:
|
|
# check this works for both devices which have a recorded client_ip,
|
|
# and those which don't.
|
|
self._record_user(user1, "xyz", "display 0")
|
|
self._record_user(user1, "fco", "display 1", "token1", "ip1")
|
|
self._record_user(user1, "abc", "display 2", "token2", "ip2")
|
|
self._record_user(user1, "abc", "display 2", "token3", "ip3")
|
|
|
|
self._record_user(user2, "def", "dispkay", "token4", "ip4")
|
|
|
|
self.reactor.advance(10000)
|
|
|
|
def _record_user(
|
|
self,
|
|
user_id: str,
|
|
device_id: str,
|
|
display_name: str,
|
|
access_token: Optional[str] = None,
|
|
ip: Optional[str] = None,
|
|
) -> None:
|
|
device_id = self.get_success(
|
|
self.handler.check_device_registered(
|
|
user_id=user_id,
|
|
device_id=device_id,
|
|
initial_device_display_name=display_name,
|
|
)
|
|
)
|
|
|
|
if access_token is not None and ip is not None:
|
|
self.get_success(
|
|
self.store.insert_client_ip(
|
|
user_id, access_token, ip, "user_agent", device_id
|
|
)
|
|
)
|
|
self.reactor.advance(1000)
|
|
|
|
@override_config({"experimental_features": {"msc3984_appservice_key_query": True}})
|
|
def test_on_federation_query_user_devices_appservice(self) -> None:
|
|
"""Test that querying of appservices for keys overrides responses from the database."""
|
|
local_user = "@boris:" + self.hs.hostname
|
|
device_1 = "abc"
|
|
device_2 = "def"
|
|
device_3 = "ghi"
|
|
|
|
# There are 3 devices:
|
|
#
|
|
# 1. One which is uploaded to the homeserver.
|
|
# 2. One which is uploaded to the homeserver, but a newer copy is returned
|
|
# by the appservice.
|
|
# 3. One which is only returned by the appservice.
|
|
device_key_1: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_1,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"ed25519:abc": "base64+ed25519+key",
|
|
"curve25519:abc": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:abc": "base64+signature"}},
|
|
}
|
|
device_key_2a: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_2,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"ed25519:def": "base64+ed25519+key",
|
|
"curve25519:def": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:def": "base64+signature"}},
|
|
}
|
|
|
|
device_key_2b: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_2,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
# The device ID is the same (above), but the keys are different.
|
|
"keys": {
|
|
"ed25519:xyz": "base64+ed25519+key",
|
|
"curve25519:xyz": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:xyz": "base64+signature"}},
|
|
}
|
|
device_key_3: JsonDict = {
|
|
"user_id": local_user,
|
|
"device_id": device_3,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"ed25519:jkl": "base64+ed25519+key",
|
|
"curve25519:jkl": "base64+curve25519+key",
|
|
},
|
|
"signatures": {local_user: {"ed25519:jkl": "base64+signature"}},
|
|
}
|
|
|
|
# Upload keys for devices 1 & 2a.
|
|
e2e_keys_handler = self.hs.get_e2e_keys_handler()
|
|
self.get_success(
|
|
e2e_keys_handler.upload_keys_for_user(
|
|
local_user, device_1, {"device_keys": device_key_1}
|
|
)
|
|
)
|
|
self.get_success(
|
|
e2e_keys_handler.upload_keys_for_user(
|
|
local_user, device_2, {"device_keys": device_key_2a}
|
|
)
|
|
)
|
|
|
|
# Inject an appservice interested in this user.
|
|
appservice = ApplicationService(
|
|
token="i_am_an_app_service",
|
|
id="1234",
|
|
namespaces={"users": [{"regex": r"@boris:.+", "exclusive": True}]},
|
|
# Note: this user does not have to match the regex above
|
|
sender="@as_main:test",
|
|
)
|
|
self.hs.get_datastores().main.services_cache = [appservice]
|
|
self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
|
|
[appservice]
|
|
)
|
|
|
|
# Setup a response.
|
|
self.appservice_api.query_keys.return_value = {
|
|
"device_keys": {
|
|
local_user: {device_2: device_key_2b, device_3: device_key_3}
|
|
}
|
|
}
|
|
|
|
# Request all devices.
|
|
res = self.get_success(
|
|
self.handler.on_federation_query_user_devices(local_user)
|
|
)
|
|
self.assertIn("devices", res)
|
|
res_devices = res["devices"]
|
|
for device in res_devices:
|
|
device["keys"].pop("unsigned", None)
|
|
self.assertEqual(
|
|
res_devices,
|
|
[
|
|
{"device_id": device_1, "keys": device_key_1},
|
|
{"device_id": device_2, "keys": device_key_2b},
|
|
{"device_id": device_3, "keys": device_key_3},
|
|
],
|
|
)
|
|
|
|
|
|
class DehydrationTestCase(unittest.HomeserverTestCase):
|
|
servlets = [
|
|
admin.register_servlets_for_client_rest_resource,
|
|
login.register_servlets,
|
|
register.register_servlets,
|
|
devices.register_servlets,
|
|
]
|
|
|
|
def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
|
|
hs = self.setup_test_homeserver("server")
|
|
handler = hs.get_device_handler()
|
|
assert isinstance(handler, DeviceHandler)
|
|
self.handler = handler
|
|
self.message_handler = hs.get_device_message_handler()
|
|
self.registration = hs.get_registration_handler()
|
|
self.auth = hs.get_auth()
|
|
self.auth_handler = hs.get_auth_handler()
|
|
self.store = hs.get_datastores().main
|
|
return hs
|
|
|
|
def test_dehydrate_and_rehydrate_device(self) -> None:
|
|
user_id = "@boris:dehydration"
|
|
|
|
self.get_success(self.store.register_user(user_id, "foobar"))
|
|
|
|
# First check if we can store and fetch a dehydrated device
|
|
stored_dehydrated_device_id = self.get_success(
|
|
self.handler.store_dehydrated_device(
|
|
user_id=user_id,
|
|
device_id=None,
|
|
device_data={"device_data": {"foo": "bar"}},
|
|
initial_device_display_name="dehydrated device",
|
|
)
|
|
)
|
|
|
|
result = self.get_success(self.handler.get_dehydrated_device(user_id=user_id))
|
|
assert result is not None
|
|
retrieved_device_id, device_data = result
|
|
|
|
self.assertEqual(retrieved_device_id, stored_dehydrated_device_id)
|
|
self.assertEqual(device_data, {"device_data": {"foo": "bar"}})
|
|
|
|
# Create a new login for the user and dehydrated the device
|
|
device_id, access_token, _expiration_time, refresh_token = self.get_success(
|
|
self.registration.register_device(
|
|
user_id=user_id,
|
|
device_id=None,
|
|
initial_display_name="new device",
|
|
should_issue_refresh_token=True,
|
|
)
|
|
)
|
|
|
|
# Trying to claim a nonexistent device should throw an error
|
|
self.get_failure(
|
|
self.handler.rehydrate_device(
|
|
user_id=user_id,
|
|
access_token=access_token,
|
|
device_id="not the right device ID",
|
|
),
|
|
NotFoundError,
|
|
)
|
|
|
|
# dehydrating the right devices should succeed and change our device ID
|
|
# to the dehydrated device's ID
|
|
res = self.get_success(
|
|
self.handler.rehydrate_device(
|
|
user_id=user_id,
|
|
access_token=access_token,
|
|
device_id=retrieved_device_id,
|
|
)
|
|
)
|
|
|
|
self.assertEqual(res, {"success": True})
|
|
|
|
# make sure that our device ID has changed
|
|
user_info = self.get_success(self.auth.get_user_by_access_token(access_token))
|
|
|
|
self.assertEqual(user_info.device_id, retrieved_device_id)
|
|
|
|
# make sure the user device has the refresh token
|
|
assert refresh_token is not None
|
|
self.get_success(
|
|
self.auth_handler.refresh_token(refresh_token, 5 * 60 * 1000, 5 * 60 * 1000)
|
|
)
|
|
|
|
# make sure the device has the display name that was set from the login
|
|
res = self.get_success(self.handler.get_device(user_id, retrieved_device_id))
|
|
|
|
self.assertEqual(res["display_name"], "new device")
|
|
|
|
# make sure that the device ID that we were initially assigned no longer exists
|
|
self.get_failure(
|
|
self.handler.get_device(user_id, device_id),
|
|
NotFoundError,
|
|
)
|
|
|
|
# make sure that there's no device available for dehydrating now
|
|
ret = self.get_success(self.handler.get_dehydrated_device(user_id=user_id))
|
|
|
|
self.assertIsNone(ret)
|
|
|
|
@unittest.override_config(
|
|
{"experimental_features": {"msc2697_enabled": False, "msc3814_enabled": True}}
|
|
)
|
|
def test_dehydrate_v2_and_fetch_events(self) -> None:
|
|
user_id = "@boris:server"
|
|
|
|
self.get_success(self.store.register_user(user_id, "foobar"))
|
|
|
|
# First check if we can store and fetch a dehydrated device
|
|
stored_dehydrated_device_id = self.get_success(
|
|
self.handler.store_dehydrated_device(
|
|
user_id=user_id,
|
|
device_id=None,
|
|
device_data={"device_data": {"foo": "bar"}},
|
|
initial_device_display_name="dehydrated device",
|
|
)
|
|
)
|
|
|
|
device_info = self.get_success(
|
|
self.handler.get_dehydrated_device(user_id=user_id)
|
|
)
|
|
assert device_info is not None
|
|
retrieved_device_id, device_data = device_info
|
|
self.assertEqual(retrieved_device_id, stored_dehydrated_device_id)
|
|
self.assertEqual(device_data, {"device_data": {"foo": "bar"}})
|
|
|
|
# Create a new login for the user
|
|
device_id, access_token, _expiration_time, _refresh_token = self.get_success(
|
|
self.registration.register_device(
|
|
user_id=user_id,
|
|
device_id=None,
|
|
initial_display_name="new device",
|
|
)
|
|
)
|
|
|
|
requester = create_requester(user_id, device_id=device_id)
|
|
|
|
# Fetching messages for a non-existing device should return an error
|
|
self.get_failure(
|
|
self.message_handler.get_events_for_dehydrated_device(
|
|
requester=requester,
|
|
device_id="not the right device ID",
|
|
since_token=None,
|
|
limit=10,
|
|
),
|
|
SynapseError,
|
|
)
|
|
|
|
# Send a message to the dehydrated device
|
|
ensureDeferred(
|
|
self.message_handler.send_device_message(
|
|
requester=requester,
|
|
message_type="test.message",
|
|
messages={user_id: {stored_dehydrated_device_id: {"body": "foo"}}},
|
|
)
|
|
)
|
|
self.pump()
|
|
|
|
# Fetch the message of the dehydrated device
|
|
res = self.get_success(
|
|
self.message_handler.get_events_for_dehydrated_device(
|
|
requester=requester,
|
|
device_id=stored_dehydrated_device_id,
|
|
since_token=None,
|
|
limit=10,
|
|
)
|
|
)
|
|
|
|
self.assertTrue(len(res["next_batch"]) > 1)
|
|
self.assertEqual(len(res["events"]), 1)
|
|
self.assertEqual(res["events"][0]["content"]["body"], "foo")
|
|
|
|
# Fetch the message of the dehydrated device again, which should return
|
|
# the same message as it has not been deleted
|
|
res = self.get_success(
|
|
self.message_handler.get_events_for_dehydrated_device(
|
|
requester=requester,
|
|
device_id=stored_dehydrated_device_id,
|
|
since_token=None,
|
|
limit=10,
|
|
)
|
|
)
|
|
self.assertTrue(len(res["next_batch"]) > 1)
|
|
self.assertEqual(len(res["events"]), 1)
|
|
self.assertEqual(res["events"][0]["content"]["body"], "foo")
|