357 lines
11 KiB
Python
357 lines
11 KiB
Python
# SPDX-License-Identifier: MIT
|
||
#
|
||
# Copyright (c) 2017 PySSB contributors (see AUTHORS for more details)
|
||
#
|
||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
# of this software and associated documentation files (the "Software"), to deal
|
||
# in the Software without restriction, including without limitation the rights
|
||
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
# copies of the Software, and to permit persons to whom the Software is
|
||
# furnished to do so, subject to the following conditions:
|
||
#
|
||
# The above copyright notice and this permission notice shall be included in all
|
||
# copies or substantial portions of the Software.
|
||
#
|
||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
# SOFTWARE.
|
||
|
||
"""Tests for the packet stream"""
|
||
|
||
from asyncio import Event, ensure_future, gather
|
||
import json
|
||
|
||
import pytest
|
||
from secret_handshake.network import SHSDuplexStream
|
||
|
||
from ssb.packet_stream import PacketStream, PSMessageType
|
||
|
||
|
||
async def _collect_messages(generator):
|
||
results = []
|
||
async for msg in generator:
|
||
results.append(msg)
|
||
return results
|
||
|
||
|
||
MSG_BODY_1 = (
|
||
b'{"previous":"%KTGP6W8vF80McRAZHYDWuKOD0KlNyKSq6Gb42iuV7Iw=.sha256","author":"@1+Iwm79DKvVBqYKFkhT6fWRbA'
|
||
b'VvNNVH4F2BSxwhYmx8=.ed25519","sequence":116,"timestamp":1496696699331,"hash":"sha256","content":{"type"'
|
||
b':"post","channel":"crypto","text":"Does anybody know any good resources (e.g. books) to learn cryptogra'
|
||
b"phy? I'm not speaking of basic concepts (e.g. what's a private key) but the actual mathematics behind"
|
||
b' the whole thing.\\nI have a copy of the \\"Handbook of Applied Cryptography\\" on my bookshelf but I f'
|
||
b'ound it too long/hard to follow. Are there any better alternatives?","mentions":[]},"signature":"hqKePb'
|
||
b'bTXWxEi1njDnOWFsL0M0AoNoWyBFgNE6KXj//DThepaZSy9vRbygDHX5uNmCdyOrsQrwZsZhmUYKwtDQ==.sig.ed25519"}'
|
||
)
|
||
|
||
MSG_BODY_2 = (
|
||
b'{"previous":"%iQRhPyqmNLpGaO1Tpm1I22jqnUEwRwkCTDbwAGtM+lY=.sha256","author":"@1+Iwm79DKvVBqYKFkhT6fWRbA'
|
||
b'VvNNVH4F2BSxwhYmx8=.ed25519","sequence":103,"timestamp":1496674211806,"hash":"sha256","content":{"type"'
|
||
b':"post","channel":"git-ssb","text":"Is it only me or `git.scuttlebot.io` is timing out?\\n\\nE.g. try a'
|
||
b'ccessing %vZCTqraoqKBKNZeATErXEtnoEr+wnT3p8tT+vL+29I4=.sha256","mentions":[{"link":"%vZCTqraoqKBKNZeATE'
|
||
b'rXEtnoEr+wnT3p8tT+vL+29I4=.sha256"}]},"signature":"+i4U0HUGDDEyNoNr2NIROPnT3WQj3RuTaIhY5koWW8f0vwr4tZsY'
|
||
b'mAkqqMwFWfP+eBIbc7DZ835er6r6h9CwAg==.sig.ed25519"}'
|
||
)
|
||
|
||
|
||
class MockSHSSocket(SHSDuplexStream):
|
||
"""A mocked SHS socket"""
|
||
|
||
def __init__(self, *args, **kwargs): # pylint: disable=unused-argument
|
||
super().__init__()
|
||
|
||
self.input = []
|
||
self.output = []
|
||
self.is_connected = False
|
||
self._on_connect = []
|
||
|
||
def on_connect(self, cb):
|
||
"""Set the on_connect callback"""
|
||
|
||
self._on_connect.append(cb)
|
||
|
||
async def read(self):
|
||
"""Read data from the socket"""
|
||
|
||
if not self.input:
|
||
raise StopAsyncIteration
|
||
return self.input.pop(0)
|
||
|
||
def write(self, data):
|
||
"""Write data to the socket"""
|
||
|
||
self.output.append(data)
|
||
|
||
def feed(self, input_):
|
||
"""Get the connection’s feed"""
|
||
|
||
self.input += input_
|
||
|
||
def get_output(self):
|
||
"""Get the output of a call"""
|
||
|
||
while True:
|
||
if not self.output:
|
||
break
|
||
yield self.output.pop(0)
|
||
|
||
def disconnect(self):
|
||
"""Disconnect from the remote party"""
|
||
|
||
self.is_connected = False
|
||
|
||
|
||
class MockSHSClient(MockSHSSocket):
|
||
"""A mocked SHS client"""
|
||
|
||
async def connect(self):
|
||
"""Connect to a SHS server"""
|
||
|
||
self.is_connected = True
|
||
|
||
for cb in self._on_connect:
|
||
await cb()
|
||
|
||
|
||
class MockSHSServer(MockSHSSocket):
|
||
"""A mocked SHS server"""
|
||
|
||
def listen(self):
|
||
"""Listen for new connections"""
|
||
|
||
self.is_connected = True
|
||
|
||
for cb in self._on_connect:
|
||
ensure_future(cb())
|
||
|
||
|
||
@pytest.fixture
|
||
def ps_client(event_loop): # pylint: disable=unused-argument
|
||
"""Fixture to provide a mocked SHS client"""
|
||
|
||
return MockSHSClient()
|
||
|
||
|
||
@pytest.fixture
|
||
def ps_server(event_loop): # pylint: disable=unused-argument
|
||
"""Fixture to provide a mocked SHS server"""
|
||
|
||
return MockSHSServer()
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_on_connect(ps_server): # pylint: disable=redefined-outer-name
|
||
"""Test the on_connect callback functionality"""
|
||
|
||
called = Event()
|
||
|
||
async def _on_connect():
|
||
called.set()
|
||
|
||
ps_server.on_connect(_on_connect)
|
||
ps_server.listen()
|
||
await called.wait()
|
||
assert ps_server.is_connected
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_message_decoding(ps_client): # pylint: disable=redefined-outer-name
|
||
"""Test message decoding"""
|
||
|
||
await ps_client.connect()
|
||
|
||
ps = PacketStream(ps_client)
|
||
|
||
assert ps.is_connected
|
||
|
||
ps_client.feed(
|
||
[
|
||
b"\n\x00\x00\x00\x9a\x00\x00\x04\xfb",
|
||
b'{"name":["createHistoryStream"],"args":[{"id":"@omgyp7Pnrw+Qm0I6T6Fh5VvnKmodMXwnxTIesW2DgMg=.ed25519",'
|
||
b'"seq":10,"live":true,"keys":false}],"type":"source"}',
|
||
]
|
||
)
|
||
|
||
messages = await _collect_messages(ps)
|
||
assert len(messages) == 1
|
||
assert messages[0].type == PSMessageType.JSON
|
||
assert messages[0].body == {
|
||
"name": ["createHistoryStream"],
|
||
"args": [
|
||
{
|
||
"id": "@omgyp7Pnrw+Qm0I6T6Fh5VvnKmodMXwnxTIesW2DgMg=.ed25519",
|
||
"seq": 10,
|
||
"live": True,
|
||
"keys": False,
|
||
}
|
||
],
|
||
"type": "source",
|
||
}
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_message_encoding(ps_client): # pylint: disable=redefined-outer-name
|
||
"""Test message encoding"""
|
||
|
||
await ps_client.connect()
|
||
|
||
ps = PacketStream(ps_client)
|
||
|
||
assert ps.is_connected
|
||
|
||
ps.send(
|
||
{
|
||
"name": ["createHistoryStream"],
|
||
"args": [
|
||
{
|
||
"id": "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
|
||
"seq": 1,
|
||
"live": False,
|
||
"keys": False,
|
||
}
|
||
],
|
||
"type": "source",
|
||
},
|
||
stream=True,
|
||
)
|
||
|
||
header, body = list(ps_client.get_output())
|
||
|
||
assert header == b"\x0a\x00\x00\x00\xa6\x00\x00\x00\x01"
|
||
assert json.loads(body.decode("utf-8")) == {
|
||
"name": ["createHistoryStream"],
|
||
"args": [
|
||
{
|
||
"id": "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
|
||
"seq": 1,
|
||
"live": False,
|
||
"keys": False,
|
||
}
|
||
],
|
||
"type": "source",
|
||
}
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_message_stream(ps_client, mocker): # pylint: disable=redefined-outer-name
|
||
"""Test requesting a history stream"""
|
||
|
||
await ps_client.connect()
|
||
|
||
ps = PacketStream(ps_client)
|
||
mocker.patch.object(ps, "register_handler", wraps=ps.register_handler)
|
||
|
||
assert ps.is_connected
|
||
|
||
ps.send(
|
||
{
|
||
"name": ["createHistoryStream"],
|
||
"args": [
|
||
{
|
||
"id": "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
|
||
"seq": 1,
|
||
"live": False,
|
||
"keys": False,
|
||
}
|
||
],
|
||
"type": "source",
|
||
},
|
||
stream=True,
|
||
)
|
||
|
||
assert ps.req_counter == 2
|
||
assert ps.register_handler.call_count == 1 # pylint: disable=no-member
|
||
handler = list(ps._event_map.values())[0][1] # pylint: disable=protected-access
|
||
mock_process = mocker.patch.object(handler, "process")
|
||
|
||
ps_client.feed([b"\n\x00\x00\x02\xc5\xff\xff\xff\xff", MSG_BODY_1])
|
||
msg = await ps.read()
|
||
assert mock_process.await_count == 1
|
||
|
||
# responses have negative req
|
||
assert msg.req == -1
|
||
assert msg.body["previous"] == "%KTGP6W8vF80McRAZHYDWuKOD0KlNyKSq6Gb42iuV7Iw=.sha256"
|
||
|
||
assert ps.req_counter == 2
|
||
|
||
stream_handler = ps.send(
|
||
{
|
||
"name": ["createHistoryStream"],
|
||
"args": [
|
||
{
|
||
"id": "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519",
|
||
"seq": 1,
|
||
"live": False,
|
||
"keys": False,
|
||
}
|
||
],
|
||
"type": "source",
|
||
},
|
||
stream=True,
|
||
)
|
||
|
||
assert ps.req_counter == 3
|
||
assert ps.register_handler.call_count == 2 # pylint: disable=no-member
|
||
handler = list(ps._event_map.values())[1][1] # pylint: disable=protected-access
|
||
|
||
mock_process = mocker.patch.object(handler, "process", wraps=handler.process)
|
||
ps_client.feed(
|
||
[
|
||
b"\n\x00\x00\x02\xc5\xff\xff\xff\xfe",
|
||
MSG_BODY_1,
|
||
b"\x0e\x00\x00\x023\xff\xff\xff\xfe",
|
||
MSG_BODY_2,
|
||
]
|
||
)
|
||
|
||
# execute both message polling and response handling loops
|
||
collected, handled = await gather(_collect_messages(ps), _collect_messages(stream_handler))
|
||
|
||
# No messages collected, since they're all responses
|
||
assert collected == []
|
||
|
||
assert mock_process.call_count == 2
|
||
|
||
for msg in handled:
|
||
# responses have negative req
|
||
assert msg.req == -2
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_message_request(ps_server, mocker): # pylint: disable=redefined-outer-name
|
||
"""Test message sending"""
|
||
|
||
ps_server.listen()
|
||
|
||
ps = PacketStream(ps_server)
|
||
|
||
mocker.patch.object(ps, "register_handler", wraps=ps.register_handler)
|
||
|
||
ps.send({"name": ["whoami"], "args": []})
|
||
|
||
header, body = list(ps_server.get_output())
|
||
assert header == b"\x02\x00\x00\x00 \x00\x00\x00\x01"
|
||
assert json.loads(body.decode("utf-8")) == {"name": ["whoami"], "args": []}
|
||
|
||
assert ps.req_counter == 2
|
||
assert ps.register_handler.call_count == 1 # pylint: disable=no-member
|
||
handler = list(ps._event_map.values())[0][1] # pylint: disable=protected-access
|
||
mock_process = mocker.patch.object(handler, "process")
|
||
ps_server.feed(
|
||
[
|
||
b"\x02\x00\x00\x00>\xff\xff\xff\xff",
|
||
b'{"id":"@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519"}',
|
||
]
|
||
)
|
||
msg = await ps.read()
|
||
assert mock_process.await_count == 1
|
||
|
||
# responses have negative req
|
||
assert msg.req == -1
|
||
assert msg.body["id"] == "@1+Iwm79DKvVBqYKFkhT6fWRbAVvNNVH4F2BSxwhYmx8=.ed25519"
|
||
assert ps.req_counter == 2
|