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Merge pull request #929 from matrix-org/rav/support_deviceid_in_login

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Add device_id support to /login
This commit is contained in:
Richard van der Hoff 2016-07-19 15:53:04 +01:00 committed by GitHub
commit 9a7a77a22a
12 changed files with 354 additions and 31 deletions
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19
synapse/handlers/auth.py
View File

@ -361,7 +361,7 @@ class AuthHandler(BaseHandler):
return self._check_password(user_id, password)
@defer.inlineCallbacks
def get_login_tuple_for_user_id(self, user_id):
def get_login_tuple_for_user_id(self, user_id, device_id=None):
"""
Gets login tuple for the user with the given user ID.
@ -372,6 +372,7 @@ class AuthHandler(BaseHandler):
Args:
user_id (str): canonical User ID
device_id (str): the device ID to associate with the access token
Returns:
A tuple of:
The access token for the user's session.
@ -380,9 +381,9 @@ class AuthHandler(BaseHandler):
StoreError if there was a problem storing the token.
LoginError if there was an authentication problem.
"""
logger.info("Logging in user %s", user_id)
access_token = yield self.issue_access_token(user_id)
refresh_token = yield self.issue_refresh_token(user_id)
logger.info("Logging in user %s on device %s", user_id, device_id)
access_token = yield self.issue_access_token(user_id, device_id)
refresh_token = yield self.issue_refresh_token(user_id, device_id)
defer.returnValue((access_token, refresh_token))
@defer.inlineCallbacks
@ -638,15 +639,17 @@ class AuthHandler(BaseHandler):
defer.returnValue(False)
@defer.inlineCallbacks
def issue_access_token(self, user_id):
def issue_access_token(self, user_id, device_id=None):
access_token = self.generate_access_token(user_id)
yield self.store.add_access_token_to_user(user_id, access_token)
yield self.store.add_access_token_to_user(user_id, access_token,
device_id)
defer.returnValue(access_token)
@defer.inlineCallbacks
def issue_refresh_token(self, user_id):
def issue_refresh_token(self, user_id, device_id=None):
refresh_token = self.generate_refresh_token(user_id)
yield self.store.add_refresh_token_to_user(user_id, refresh_token)
yield self.store.add_refresh_token_to_user(user_id, refresh_token,
device_id)
defer.returnValue(refresh_token)
def generate_access_token(self, user_id, extra_caveats=None,

71
synapse/handlers/device.py Normal file
View File

@ -0,0 +1,71 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# 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 synapse.api.errors import StoreError
from synapse.util import stringutils
from twisted.internet import defer
from ._base import BaseHandler
import logging
logger = logging.getLogger(__name__)
class DeviceHandler(BaseHandler):
def __init__(self, hs):
super(DeviceHandler, self).__init__(hs)
@defer.inlineCallbacks
def check_device_registered(self, user_id, device_id,
initial_device_display_name):
"""
If the given device has not been registered, register it with the
supplied display name.
If no device_id is supplied, we make one up.
Args:
user_id (str): @user:id
device_id (str | None): device id supplied by client
initial_device_display_name (str | None): device display name from
client
Returns:
str: device id (generated if none was supplied)
"""
if device_id is not None:
yield self.store.store_device(
user_id=user_id,
device_id=device_id,
initial_device_display_name=initial_device_display_name,
ignore_if_known=True,
)
defer.returnValue(device_id)
# if the device id is not specified, we'll autogen one, but loop a few
# times in case of a clash.
attempts = 0
while attempts < 5:
try:
device_id = stringutils.random_string_with_symbols(16)
yield self.store.store_device(
user_id=user_id,
device_id=device_id,
initial_device_display_name=initial_device_display_name,
ignore_if_known=False,
)
defer.returnValue(device_id)
except StoreError:
attempts += 1
raise StoreError(500, "Couldn't generate a device ID.")

39
synapse/rest/client/v1/login.py
View File

@ -59,6 +59,7 @@ class LoginRestServlet(ClientV1RestServlet):
self.servername = hs.config.server_name
self.http_client = hs.get_simple_http_client()
self.auth_handler = self.hs.get_auth_handler()
self.device_handler = self.hs.get_device_handler()
def on_GET(self, request):
flows = []
@ -149,14 +150,16 @@ class LoginRestServlet(ClientV1RestServlet):
user_id=user_id,
password=login_submission["password"],
)
device_id = yield self._register_device(user_id, login_submission)
access_token, refresh_token = (
yield auth_handler.get_login_tuple_for_user_id(user_id)
yield auth_handler.get_login_tuple_for_user_id(user_id, device_id)
)
result = {
"user_id": user_id, # may have changed
"access_token": access_token,
"refresh_token": refresh_token,
"home_server": self.hs.hostname,
"device_id": device_id,
}
defer.returnValue((200, result))
@ -168,14 +171,16 @@ class LoginRestServlet(ClientV1RestServlet):
user_id = (
yield auth_handler.validate_short_term_login_token_and_get_user_id(token)
)
device_id = yield self._register_device(user_id, login_submission)
access_token, refresh_token = (
yield auth_handler.get_login_tuple_for_user_id(user_id)
yield auth_handler.get_login_tuple_for_user_id(user_id, device_id)
)
result = {
"user_id": user_id, # may have changed
"access_token": access_token,
"refresh_token": refresh_token,
"home_server": self.hs.hostname,
"device_id": device_id,
}
defer.returnValue((200, result))
@ -252,8 +257,13 @@ class LoginRestServlet(ClientV1RestServlet):
auth_handler = self.auth_handler
registered_user_id = yield auth_handler.check_user_exists(user_id)
if registered_user_id:
device_id = yield self._register_device(
registered_user_id, login_submission
)
access_token, refresh_token = (
yield auth_handler.get_login_tuple_for_user_id(registered_user_id)
yield auth_handler.get_login_tuple_for_user_id(
registered_user_id, device_id
)
)
result = {
"user_id": registered_user_id,
@ -262,6 +272,9 @@ class LoginRestServlet(ClientV1RestServlet):
"home_server": self.hs.hostname,
}
else:
# TODO: we should probably check that the register isn't going
# to fonx/change our user_id before registering the device
device_id = yield self._register_device(user_id, login_submission)
user_id, access_token = (
yield self.handlers.registration_handler.register(localpart=user)
)
@ -300,6 +313,26 @@ class LoginRestServlet(ClientV1RestServlet):
return (user, attributes)
def _register_device(self, user_id, login_submission):
"""Register a device for a user.
This is called after the user's credentials have been validated, but
before the access token has been issued.
Args:
(str) user_id: full canonical @user:id
(object) login_submission: dictionary supplied to /login call, from
which we pull device_id and initial_device_name
Returns:
defer.Deferred: (str) device_id
"""
device_id = login_submission.get("device_id")
initial_display_name = login_submission.get(
"initial_device_display_name")
return self.device_handler.check_device_registered(
user_id, device_id, initial_display_name
)
class SAML2RestServlet(ClientV1RestServlet):
PATTERNS = client_path_patterns("/login/saml2", releases=())

10
synapse/rest/client/v2_alpha/tokenrefresh.py
View File

@ -39,9 +39,13 @@ class TokenRefreshRestServlet(RestServlet):
try:
old_refresh_token = body["refresh_token"]
auth_handler = self.hs.get_auth_handler()
(user_id, new_refresh_token) = yield self.store.exchange_refresh_token(
old_refresh_token, auth_handler.generate_refresh_token)
new_access_token = yield auth_handler.issue_access_token(user_id)
refresh_result = yield self.store.exchange_refresh_token(
old_refresh_token, auth_handler.generate_refresh_token
)
(user_id, new_refresh_token, device_id) = refresh_result
new_access_token = yield auth_handler.issue_access_token(
user_id, device_id
)
defer.returnValue((200, {
"access_token": new_access_token,
"refresh_token": new_refresh_token,

5
synapse/server.py
View File

@ -25,6 +25,7 @@ from twisted.enterprise import adbapi
from synapse.appservice.scheduler import ApplicationServiceScheduler
from synapse.appservice.api import ApplicationServiceApi
from synapse.federation import initialize_http_replication
from synapse.handlers.device import DeviceHandler
from synapse.http.client import SimpleHttpClient, InsecureInterceptableContextFactory
from synapse.notifier import Notifier
from synapse.api.auth import Auth
@ -92,6 +93,7 @@ class HomeServer(object):
'typing_handler',
'room_list_handler',
'auth_handler',
'device_handler',
'application_service_api',
'application_service_scheduler',
'application_service_handler',
@ -197,6 +199,9 @@ class HomeServer(object):
def build_auth_handler(self):
return AuthHandler(self)
def build_device_handler(self):
return DeviceHandler(self)
def build_application_service_api(self):
return ApplicationServiceApi(self)

3
synapse/storage/__init__.py
View File

@ -14,6 +14,8 @@
# limitations under the License.
from twisted.internet import defer
from synapse.storage.devices import DeviceStore
from .appservice import (
ApplicationServiceStore, ApplicationServiceTransactionStore
)
@ -80,6 +82,7 @@ class DataStore(RoomMemberStore, RoomStore,
EventPushActionsStore,
OpenIdStore,
ClientIpStore,
DeviceStore,
):
def __init__(self, db_conn, hs):

77
synapse/storage/devices.py Normal file
View File

@ -0,0 +1,77 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# 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 logging
from twisted.internet import defer
from synapse.api.errors import StoreError
from ._base import SQLBaseStore
logger = logging.getLogger(__name__)
class DeviceStore(SQLBaseStore):
@defer.inlineCallbacks
def store_device(self, user_id, device_id,
initial_device_display_name,
ignore_if_known=True):
"""Ensure the given device is known; add it to the store if not
Args:
user_id (str): id of user associated with the device
device_id (str): id of device
initial_device_display_name (str): initial displayname of the
device
ignore_if_known (bool): ignore integrity errors which mean the
device is already known
Returns:
defer.Deferred
Raises:
StoreError: if ignore_if_known is False and the device was already
known
"""
try:
yield self._simple_insert(
"devices",
values={
"user_id": user_id,
"device_id": device_id,
"display_name": initial_device_display_name
},
desc="store_device",
or_ignore=ignore_if_known,
)
except Exception as e:
logger.error("store_device with device_id=%s failed: %s",
device_id, e)
raise StoreError(500, "Problem storing device.")
def get_device(self, user_id, device_id):
"""Retrieve a device.
Args:
user_id (str): The ID of the user which owns the device
device_id (str): The ID of the device to retrieve
Returns:
defer.Deferred for a namedtuple containing the device information
Raises:
StoreError: if the device is not found
"""
return self._simple_select_one(
table="devices",
keyvalues={"user_id": user_id, "device_id": device_id},
retcols=("user_id", "device_id", "display_name"),
desc="get_device",
)

28
synapse/storage/registration.py
View File

@ -31,12 +31,14 @@ class RegistrationStore(SQLBaseStore):
self.clock = hs.get_clock()
@defer.inlineCallbacks
def add_access_token_to_user(self, user_id, token):
def add_access_token_to_user(self, user_id, token, device_id=None):
"""Adds an access token for the given user.
Args:
user_id (str): The user ID.
token (str): The new access token to add.
device_id (str): ID of the device to associate with the access
token
Raises:
StoreError if there was a problem adding this.
"""
@ -47,18 +49,21 @@ class RegistrationStore(SQLBaseStore):
{
"id": next_id,
"user_id": user_id,
"token": token
"token": token,
"device_id": device_id,
},
desc="add_access_token_to_user",
)
@defer.inlineCallbacks
def add_refresh_token_to_user(self, user_id, token):
def add_refresh_token_to_user(self, user_id, token, device_id=None):
"""Adds a refresh token for the given user.
Args:
user_id (str): The user ID.
token (str): The new refresh token to add.
device_id (str): ID of the device to associate with the access
token
Raises:
StoreError if there was a problem adding this.
"""
@ -69,7 +74,8 @@ class RegistrationStore(SQLBaseStore):
{
"id": next_id,
"user_id": user_id,
"token": token
"token": token,
"device_id": device_id,
},
desc="add_refresh_token_to_user",
)
@ -291,18 +297,18 @@ class RegistrationStore(SQLBaseStore):
)
def exchange_refresh_token(self, refresh_token, token_generator):
"""Exchange a refresh token for a new access token and refresh token.
"""Exchange a refresh token for a new one.
Doing so invalidates the old refresh token - refresh tokens are single
use.
Args:
token (str): The refresh token of a user.
refresh_token (str): The refresh token of a user.
token_generator (fn: str -> str): Function which, when given a
user ID, returns a unique refresh token for that user. This
function must never return the same value twice.
Returns:
tuple of (user_id, refresh_token)
tuple of (user_id, new_refresh_token, device_id)
Raises:
StoreError if no user was found with that refresh token.
"""
@ -314,12 +320,13 @@ class RegistrationStore(SQLBaseStore):
)
def _exchange_refresh_token(self, txn, old_token, token_generator):
sql = "SELECT user_id FROM refresh_tokens WHERE token = ?"
sql = "SELECT user_id, device_id FROM refresh_tokens WHERE token = ?"
txn.execute(sql, (old_token,))
rows = self.cursor_to_dict(txn)
if not rows:
raise StoreError(403, "Did not recognize refresh token")
user_id = rows[0]["user_id"]
device_id = rows[0]["device_id"]
# TODO(danielwh): Maybe perform a validation on the macaroon that
# macaroon.user_id == user_id.
@ -328,7 +335,7 @@ class RegistrationStore(SQLBaseStore):
sql = "UPDATE refresh_tokens SET token = ? WHERE token = ?"
txn.execute(sql, (new_token, old_token,))
return user_id, new_token
return user_id, new_token, device_id
@defer.inlineCallbacks
def is_server_admin(self, user):
@ -356,7 +363,8 @@ class RegistrationStore(SQLBaseStore):
def _query_for_auth(self, txn, token):
sql = (
"SELECT users.name, users.is_guest, access_tokens.id as token_id"
"SELECT users.name, users.is_guest, access_tokens.id as token_id,"
" access_tokens.device_id"
" FROM users"
" INNER JOIN access_tokens on users.name = access_tokens.user_id"
" WHERE token = ?"

21
synapse/storage/schema/delta/33/devices.sql Normal file
View File

@ -0,0 +1,21 @@
/* Copyright 2016 OpenMarket Ltd
*
* 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.
*/
CREATE TABLE devices (
user_id TEXT NOT NULL,
device_id TEXT NOT NULL,
display_name TEXT,
CONSTRAINT device_uniqueness UNIQUE (user_id, device_id)
);

16
synapse/storage/schema/delta/33/refreshtoken_device.sql Normal file
View File

@ -0,0 +1,16 @@
/* Copyright 2016 OpenMarket Ltd
*
* 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.
*/
ALTER TABLE refresh_tokens ADD COLUMN device_id TEXT;

75
tests/handlers/test_device.py Normal file
View File

@ -0,0 +1,75 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# 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 twisted.internet import defer
from synapse.handlers.device import DeviceHandler
from tests import unittest
from tests.utils import setup_test_homeserver
class DeviceHandlers(object):
def __init__(self, hs):
self.device_handler = DeviceHandler(hs)
class DeviceTestCase(unittest.TestCase):
@defer.inlineCallbacks
def setUp(self):
self.hs = yield setup_test_homeserver(handlers=None)
self.hs.handlers = handlers = DeviceHandlers(self.hs)
self.handler = handlers.device_handler
@defer.inlineCallbacks
def test_device_is_created_if_doesnt_exist(self):
res = yield self.handler.check_device_registered(
user_id="boris",
device_id="fco",
initial_device_display_name="display name"
)
self.assertEqual(res, "fco")
dev = yield self.handler.store.get_device("boris", "fco")
self.assertEqual(dev["display_name"], "display name")
@defer.inlineCallbacks
def test_device_is_preserved_if_exists(self):
res1 = yield self.handler.check_device_registered(
user_id="boris",
device_id="fco",
initial_device_display_name="display name"
)
self.assertEqual(res1, "fco")
res2 = yield self.handler.check_device_registered(
user_id="boris",
device_id="fco",
initial_device_display_name="new display name"
)
self.assertEqual(res2, "fco")
dev = yield self.handler.store.get_device("boris", "fco")
self.assertEqual(dev["display_name"], "display name")
@defer.inlineCallbacks
def test_device_id_is_made_up_if_unspecified(self):
device_id = yield self.handler.check_device_registered(
user_id="theresa",
device_id=None,
initial_device_display_name="display"
)
dev = yield self.handler.store.get_device("theresa", device_id)
self.assertEqual(dev["display_name"], "display")

21
tests/storage/test_registration.py
View File

@ -38,6 +38,7 @@ class RegistrationStoreTestCase(unittest.TestCase):
"BcDeFgHiJkLmNoPqRsTuVwXyZa"
]
self.pwhash = "{xx1}123456789"
self.device_id = "akgjhdjklgshg"
@defer.inlineCallbacks
def test_register(self):
@ -64,13 +65,15 @@ class RegistrationStoreTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_add_tokens(self):
yield self.store.register(self.user_id, self.tokens[0], self.pwhash)
yield self.store.add_access_token_to_user(self.user_id, self.tokens[1])
yield self.store.add_access_token_to_user(self.user_id, self.tokens[1],
self.device_id)
result = yield self.store.get_user_by_access_token(self.tokens[1])
self.assertDictContainsSubset(
{
"name": self.user_id,
"device_id": self.device_id,
},
result
)
@ -80,20 +83,24 @@ class RegistrationStoreTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_exchange_refresh_token_valid(self):
uid = stringutils.random_string(32)
device_id = stringutils.random_string(16)
generator = TokenGenerator()
last_token = generator.generate(uid)
self.db_pool.runQuery(
"INSERT INTO refresh_tokens(user_id, token) VALUES(?,?)",
(uid, last_token,))
"INSERT INTO refresh_tokens(user_id, token, device_id) "
"VALUES(?,?,?)",
(uid, last_token, device_id))
(found_user_id, refresh_token) = yield self.store.exchange_refresh_token(
last_token, generator.generate)
(found_user_id, refresh_token, device_id) = \
yield self.store.exchange_refresh_token(last_token,
generator.generate)
self.assertEqual(uid, found_user_id)
rows = yield self.db_pool.runQuery(
"SELECT token FROM refresh_tokens WHERE user_id = ?", (uid, ))
self.assertEqual([(refresh_token,)], rows)
"SELECT token, device_id FROM refresh_tokens WHERE user_id = ?",
(uid, ))
self.assertEqual([(refresh_token, device_id)], rows)
# We issued token 1, then exchanged it for token 2
expected_refresh_token = u"%s-%d" % (uid, 2,)
self.assertEqual(expected_refresh_token, refresh_token)