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synapse/tests/rest/client/v1/utils.py
Richard van der Hoff 0bac276890 UIA: offer only available auth flows
During user-interactive auth, do not offer password auth to users with no
password, nor SSO auth to users with no SSO.

Fixes #7559.
2020-12-02 18:54:15 +00:00

460 lines
15 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2017 Vector Creations Ltd
# Copyright 2018-2019 New Vector Ltd
# Copyright 2019-2020 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.
import json
import re
import time
import urllib.parse
from typing import Any, Dict, Optional
from mock import patch
import attr
from twisted.web.resource import Resource
from twisted.web.server import Site
from synapse.api.constants import Membership
from synapse.types import JsonDict
from tests.server import FakeSite, make_request
from tests.test_utils import FakeResponse
@attr.s
class RestHelper:
"""Contains extra helper functions to quickly and clearly perform a given
REST action, which isn't the focus of the test.
"""
hs = attr.ib()
site = attr.ib(type=Site)
auth_user_id = attr.ib()
def create_room_as(
self,
room_creator: str = None,
is_public: bool = True,
room_version: str = None,
tok: str = None,
expect_code: int = 200,
) -> str:
"""
Create a room.
Args:
room_creator: The user ID to create the room with.
is_public: If True, the `visibility` parameter will be set to the
default (public). Otherwise, the `visibility` parameter will be set
to "private".
room_version: The room version to create the room as. Defaults to Synapse's
default room version.
tok: The access token to use in the request.
expect_code: The expected HTTP response code.
Returns:
The ID of the newly created room.
"""
temp_id = self.auth_user_id
self.auth_user_id = room_creator
path = "/_matrix/client/r0/createRoom"
content = {}
if not is_public:
content["visibility"] = "private"
if room_version:
content["room_version"] = room_version
if tok:
path = path + "?access_token=%s" % tok
_, channel = make_request(
self.hs.get_reactor(),
self.site,
"POST",
path,
json.dumps(content).encode("utf8"),
)
assert channel.result["code"] == b"%d" % expect_code, channel.result
self.auth_user_id = temp_id
if expect_code == 200:
return channel.json_body["room_id"]
def invite(self, room=None, src=None, targ=None, expect_code=200, tok=None):
self.change_membership(
room=room,
src=src,
targ=targ,
tok=tok,
membership=Membership.INVITE,
expect_code=expect_code,
)
def join(self, room=None, user=None, expect_code=200, tok=None):
self.change_membership(
room=room,
src=user,
targ=user,
tok=tok,
membership=Membership.JOIN,
expect_code=expect_code,
)
def leave(self, room=None, user=None, expect_code=200, tok=None):
self.change_membership(
room=room,
src=user,
targ=user,
tok=tok,
membership=Membership.LEAVE,
expect_code=expect_code,
)
def change_membership(
self,
room: str,
src: str,
targ: str,
membership: str,
extra_data: dict = {},
tok: Optional[str] = None,
expect_code: int = 200,
) -> None:
"""
Send a membership state event into a room.
Args:
room: The ID of the room to send to
src: The mxid of the event sender
targ: The mxid of the event's target. The state key
membership: The type of membership event
extra_data: Extra information to include in the content of the event
tok: The user access token to use
expect_code: The expected HTTP response code
"""
temp_id = self.auth_user_id
self.auth_user_id = src
path = "/_matrix/client/r0/rooms/%s/state/m.room.member/%s" % (room, targ)
if tok:
path = path + "?access_token=%s" % tok
data = {"membership": membership}
data.update(extra_data)
_, channel = make_request(
self.hs.get_reactor(),
self.site,
"PUT",
path,
json.dumps(data).encode("utf8"),
)
assert int(channel.result["code"]) == expect_code, (
"Expected: %d, got: %d, resp: %r"
% (expect_code, int(channel.result["code"]), channel.result["body"])
)
self.auth_user_id = temp_id
def send(self, room_id, body=None, txn_id=None, tok=None, expect_code=200):
if body is None:
body = "body_text_here"
content = {"msgtype": "m.text", "body": body}
return self.send_event(
room_id, "m.room.message", content, txn_id, tok, expect_code
)
def send_event(
self, room_id, type, content={}, txn_id=None, tok=None, expect_code=200
):
if txn_id is None:
txn_id = "m%s" % (str(time.time()))
path = "/_matrix/client/r0/rooms/%s/send/%s/%s" % (room_id, type, txn_id)
if tok:
path = path + "?access_token=%s" % tok
_, channel = make_request(
self.hs.get_reactor(),
self.site,
"PUT",
path,
json.dumps(content).encode("utf8"),
)
assert int(channel.result["code"]) == expect_code, (
"Expected: %d, got: %d, resp: %r"
% (expect_code, int(channel.result["code"]), channel.result["body"])
)
return channel.json_body
def _read_write_state(
self,
room_id: str,
event_type: str,
body: Optional[Dict[str, Any]],
tok: str,
expect_code: int = 200,
state_key: str = "",
method: str = "GET",
) -> Dict:
"""Read or write some state from a given room
Args:
room_id:
event_type: The type of state event
body: Body that is sent when making the request. The content of the state event.
If None, the request to the server will have an empty body
tok: The access token to use
expect_code: The HTTP code to expect in the response
state_key:
method: "GET" or "PUT" for reading or writing state, respectively
Returns:
The response body from the server
Raises:
AssertionError: if expect_code doesn't match the HTTP code we received
"""
path = "/_matrix/client/r0/rooms/%s/state/%s/%s" % (
room_id,
event_type,
state_key,
)
if tok:
path = path + "?access_token=%s" % tok
# Set request body if provided
content = b""
if body is not None:
content = json.dumps(body).encode("utf8")
_, channel = make_request(
self.hs.get_reactor(), self.site, method, path, content
)
assert int(channel.result["code"]) == expect_code, (
"Expected: %d, got: %d, resp: %r"
% (expect_code, int(channel.result["code"]), channel.result["body"])
)
return channel.json_body
def get_state(
self,
room_id: str,
event_type: str,
tok: str,
expect_code: int = 200,
state_key: str = "",
):
"""Gets some state from a room
Args:
room_id:
event_type: The type of state event
tok: The access token to use
expect_code: The HTTP code to expect in the response
state_key:
Returns:
The response body from the server
Raises:
AssertionError: if expect_code doesn't match the HTTP code we received
"""
return self._read_write_state(
room_id, event_type, None, tok, expect_code, state_key, method="GET"
)
def send_state(
self,
room_id: str,
event_type: str,
body: Dict[str, Any],
tok: str,
expect_code: int = 200,
state_key: str = "",
):
"""Set some state in a room
Args:
room_id:
event_type: The type of state event
body: Body that is sent when making the request. The content of the state event.
tok: The access token to use
expect_code: The HTTP code to expect in the response
state_key:
Returns:
The response body from the server
Raises:
AssertionError: if expect_code doesn't match the HTTP code we received
"""
return self._read_write_state(
room_id, event_type, body, tok, expect_code, state_key, method="PUT"
)
def upload_media(
self,
resource: Resource,
image_data: bytes,
tok: str,
filename: str = "test.png",
expect_code: int = 200,
) -> dict:
"""Upload a piece of test media to the media repo
Args:
resource: The resource that will handle the upload request
image_data: The image data to upload
tok: The user token to use during the upload
filename: The filename of the media to be uploaded
expect_code: The return code to expect from attempting to upload the media
"""
image_length = len(image_data)
path = "/_matrix/media/r0/upload?filename=%s" % (filename,)
_, channel = make_request(
self.hs.get_reactor(),
FakeSite(resource),
"POST",
path,
content=image_data,
access_token=tok,
custom_headers=[(b"Content-Length", str(image_length))],
)
assert channel.code == expect_code, "Expected: %d, got: %d, resp: %r" % (
expect_code,
int(channel.result["code"]),
channel.result["body"],
)
return channel.json_body
def login_via_oidc(self, remote_user_id: str) -> JsonDict:
"""Log in (as a new user) via OIDC
Returns the result of the final token login.
Requires that "oidc_config" in the homeserver config be set appropriately
(TEST_OIDC_CONFIG is a suitable example) - and by implication, needs a
"public_base_url".
Also requires the login servlet and the OIDC callback resource to be mounted at
the normal places.
"""
client_redirect_url = "https://x"
# first hit the redirect url (which will issue a cookie and state)
_, channel = make_request(
self.hs.get_reactor(),
self.site,
"GET",
"/login/sso/redirect?redirectUrl=" + client_redirect_url,
)
# that will redirect to the OIDC IdP, but we skip that and go straight
# back to synapse's OIDC callback resource. However, we do need the "state"
# param that synapse passes to the IdP via query params, and the cookie that
# synapse passes to the client.
assert channel.code == 302
oauth_uri = channel.headers.getRawHeaders("Location")[0]
params = urllib.parse.parse_qs(urllib.parse.urlparse(oauth_uri).query)
redirect_uri = "%s?%s" % (
urllib.parse.urlparse(params["redirect_uri"][0]).path,
urllib.parse.urlencode({"state": params["state"][0], "code": "TEST_CODE"}),
)
cookies = {}
for h in channel.headers.getRawHeaders("Set-Cookie"):
parts = h.split(";")
k, v = parts[0].split("=", maxsplit=1)
cookies[k] = v
# before we hit the callback uri, stub out some methods in the http client so
# that we don't have to handle full HTTPS requests.
# (expected url, json response) pairs, in the order we expect them.
expected_requests = [
# first we get a hit to the token endpoint, which we tell to return
# a dummy OIDC access token
("https://issuer.test/token", {"access_token": "TEST"}),
# and then one to the user_info endpoint, which returns our remote user id.
("https://issuer.test/userinfo", {"sub": remote_user_id}),
]
async def mock_req(method: str, uri: str, data=None, headers=None):
(expected_uri, resp_obj) = expected_requests.pop(0)
assert uri == expected_uri
resp = FakeResponse(
code=200, phrase=b"OK", body=json.dumps(resp_obj).encode("utf-8"),
)
return resp
with patch.object(self.hs.get_proxied_http_client(), "request", mock_req):
# now hit the callback URI with the right params and a made-up code
_, channel = make_request(
self.hs.get_reactor(),
self.site,
"GET",
redirect_uri,
custom_headers=[
("Cookie", "%s=%s" % (k, v)) for (k, v) in cookies.items()
],
)
# expect a confirmation page
assert channel.code == 200
# fish the matrix login token out of the body of the confirmation page
m = re.search(
'a href="%s.*loginToken=([^"]*)"' % (client_redirect_url,),
channel.result["body"].decode("utf-8"),
)
assert m
login_token = m.group(1)
# finally, submit the matrix login token to the login API, which gives us our
# matrix access token and device id.
_, channel = make_request(
self.hs.get_reactor(),
self.site,
"POST",
"/login",
content={"type": "m.login.token", "token": login_token},
)
assert channel.code == 200
return channel.json_body
# an 'oidc_config' suitable for login_with_oidc.
TEST_OIDC_CONFIG = {
"enabled": True,
"discover": False,
"issuer": "https://issuer.test",
"client_id": "test-client-id",
"client_secret": "test-client-secret",
"scopes": ["profile"],
"authorization_endpoint": "https://z",
"token_endpoint": "https://issuer.test/token",
"userinfo_endpoint": "https://issuer.test/userinfo",
"user_mapping_provider": {"config": {"localpart_template": "{{ user.sub }}"}},
}