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Merge branch 'develop' into rav/no_more_refresh_tokens

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This commit is contained in:
Richard van der Hoff 2016-11-30 17:10:04 +00:00
commit dc4b23e1a1
14 changed files with 94 additions and 78 deletions
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3
README.rst
View File

@ -427,7 +427,7 @@ to install using pip and a virtualenv::
virtualenv env
source env/bin/activate
python synapse/python_dependencies.py | xargs -n1 pip install
python synapse/python_dependencies.py | xargs pip install
pip install setuptools_trial mock
This will run a process of downloading and installing all the needed
@ -650,4 +650,3 @@ matrix.org on. The default setting is currently 0.1, which is probably
around a ~700MB footprint. You can dial it down further to 0.02 if
desired, which targets roughly ~512MB. Conversely you can dial it up if
you need performance for lots of users and have a box with a lot of RAM.

6
jenkins/prepare_synapse.sh
View File

@ -15,6 +15,6 @@ tox -e py27 --notest -v
TOX_BIN=$TOX_DIR/py27/bin
$TOX_BIN/pip install setuptools
python synapse/python_dependencies.py | xargs -n1 $TOX_BIN/pip install
$TOX_BIN/pip install lxml
$TOX_BIN/pip install psycopg2
{ python synapse/python_dependencies.py
echo lxml psycopg2
} | xargs $TOX_BIN/pip install

22
synapse/api/auth.py
View File

@ -39,6 +39,9 @@ AuthEventTypes = (
EventTypes.ThirdPartyInvite,
)
# guests always get this device id.
GUEST_DEVICE_ID = "guest_device"
class Auth(object):
"""
@ -717,7 +720,8 @@ class Auth(object):
"user": user,
"is_guest": True,
"token_id": None,
"device_id": None,
# all guests get the same device id
"device_id": GUEST_DEVICE_ID,
}
elif rights == "delete_pusher":
# We don't store these tokens in the database
@ -790,9 +794,6 @@ class Auth(object):
type_string(str): The kind of token required (e.g. "access", "refresh",
"delete_pusher")
verify_expiry(bool): Whether to verify whether the macaroon has expired.
This should really always be True, but there exist access tokens
in the wild which expire when they should not, so we can't
enforce expiry yet.
user_id (str): The user_id required
"""
v = pymacaroons.Verifier()
@ -805,11 +806,24 @@ class Auth(object):
v.satisfy_exact("type = " + type_string)
v.satisfy_exact("user_id = %s" % user_id)
v.satisfy_exact("guest = true")
# verify_expiry should really always be True, but there exist access
# tokens in the wild which expire when they should not, so we can't
# enforce expiry yet (so we have to allow any caveat starting with
# 'time < ' in access tokens).
#
# On the other hand, short-term login tokens (as used by CAS login, for
# example) have an expiry time which we do want to enforce.
if verify_expiry:
v.satisfy_general(self._verify_expiry)
else:
v.satisfy_general(lambda c: c.startswith("time < "))
# access_tokens and refresh_tokens include a nonce for uniqueness: any
# value is acceptable
v.satisfy_general(lambda c: c.startswith("nonce = "))
v.verify(macaroon, self.hs.config.macaroon_secret_key)
def _verify_expiry(self, caveat):

6
synapse/config/registration.py
View File

@ -32,7 +32,6 @@ class RegistrationConfig(Config):
)
self.registration_shared_secret = config.get("registration_shared_secret")
self.user_creation_max_duration = int(config["user_creation_max_duration"])
self.bcrypt_rounds = config.get("bcrypt_rounds", 12)
self.trusted_third_party_id_servers = config["trusted_third_party_id_servers"]
@ -55,11 +54,6 @@ class RegistrationConfig(Config):
# secret, even if registration is otherwise disabled.
registration_shared_secret: "%(registration_shared_secret)s"
# Sets the expiry for the short term user creation in
# milliseconds. For instance the bellow duration is two weeks
# in milliseconds.
user_creation_max_duration: 1209600000
# Set the number of bcrypt rounds used to generate password hash.
# Larger numbers increase the work factor needed to generate the hash.
# The default number of rounds is 12.

11
synapse/handlers/auth.py
View File

@ -526,14 +526,15 @@ class AuthHandler(BaseHandler):
device_id)
defer.returnValue(access_token)
def generate_access_token(self, user_id, extra_caveats=None,
duration_in_ms=(60 * 60 * 1000)):
def generate_access_token(self, user_id, extra_caveats=None):
extra_caveats = extra_caveats or []
macaroon = self._generate_base_macaroon(user_id)
macaroon.add_first_party_caveat("type = access")
now = self.hs.get_clock().time_msec()
expiry = now + duration_in_ms
macaroon.add_first_party_caveat("time < %d" % (expiry,))
# Include a nonce, to make sure that each login gets a different
# access token.
macaroon.add_first_party_caveat("nonce = %s" % (
stringutils.random_string_with_symbols(16),
))
for caveat in extra_caveats:
macaroon.add_first_party_caveat(caveat)
return macaroon.serialize()

5
synapse/handlers/register.py
View File

@ -369,7 +369,7 @@ class RegistrationHandler(BaseHandler):
defer.returnValue(data)
@defer.inlineCallbacks
def get_or_create_user(self, requester, localpart, displayname, duration_in_ms,
def get_or_create_user(self, requester, localpart, displayname,
password_hash=None):
"""Creates a new user if the user does not exist,
else revokes all previous access tokens and generates a new one.
@ -399,8 +399,7 @@ class RegistrationHandler(BaseHandler):
user = UserID(localpart, self.hs.hostname)
user_id = user.to_string()
token = self.auth_handler().generate_access_token(
user_id, None, duration_in_ms)
token = self.auth_handler().generate_access_token(user_id)
if need_register:
yield self.store.register(

48
synapse/http/matrixfederationclient.py
View File

@ -33,6 +33,7 @@ from synapse.api.errors import (
from signedjson.sign import sign_json
import cgi
import simplejson as json
import logging
import random
@ -292,12 +293,7 @@ class MatrixFederationHttpClient(object):
if 200 <= response.code < 300:
# We need to update the transactions table to say it was sent?
c_type = response.headers.getRawHeaders("Content-Type")
if "application/json" not in c_type:
raise RuntimeError(
"Content-Type not application/json"
)
check_content_type_is_json(response.headers)
body = yield preserve_context_over_fn(readBody, response)
defer.returnValue(json.loads(body))
@ -342,12 +338,7 @@ class MatrixFederationHttpClient(object):
if 200 <= response.code < 300:
# We need to update the transactions table to say it was sent?
c_type = response.headers.getRawHeaders("Content-Type")
if "application/json" not in c_type:
raise RuntimeError(
"Content-Type not application/json"
)
check_content_type_is_json(response.headers)
body = yield preserve_context_over_fn(readBody, response)
@ -400,12 +391,7 @@ class MatrixFederationHttpClient(object):
if 200 <= response.code < 300:
# We need to update the transactions table to say it was sent?
c_type = response.headers.getRawHeaders("Content-Type")
if "application/json" not in c_type:
raise RuntimeError(
"Content-Type not application/json"
)
check_content_type_is_json(response.headers)
body = yield preserve_context_over_fn(readBody, response)
@ -525,3 +511,29 @@ def _flatten_response_never_received(e):
)
else:
return "%s: %s" % (type(e).__name__, e.message,)
def check_content_type_is_json(headers):
"""
Check that a set of HTTP headers have a Content-Type header, and that it
is application/json.
Args:
headers (twisted.web.http_headers.Headers): headers to check
Raises:
RuntimeError if the
"""
c_type = headers.getRawHeaders("Content-Type")
if c_type is None:
raise RuntimeError(
"No Content-Type header"
)
c_type = c_type[0] # only the first header
val, options = cgi.parse_header(c_type)
if val != "application/json":
raise RuntimeError(
"Content-Type not application/json: was '%s'" % c_type
)

12
synapse/rest/client/v1/register.py
View File

@ -384,7 +384,6 @@ class CreateUserRestServlet(ClientV1RestServlet):
def __init__(self, hs):
super(CreateUserRestServlet, self).__init__(hs)
self.store = hs.get_datastore()
self.direct_user_creation_max_duration = hs.config.user_creation_max_duration
self.handlers = hs.get_handlers()
@defer.inlineCallbacks
@ -418,18 +417,8 @@ class CreateUserRestServlet(ClientV1RestServlet):
if "displayname" not in user_json:
raise SynapseError(400, "Expected 'displayname' key.")
if "duration_seconds" not in user_json:
raise SynapseError(400, "Expected 'duration_seconds' key.")
localpart = user_json["localpart"].encode("utf-8")
displayname = user_json["displayname"].encode("utf-8")
duration_seconds = 0
try:
duration_seconds = int(user_json["duration_seconds"])
except ValueError:
raise SynapseError(400, "Failed to parse 'duration_seconds'")
if duration_seconds > self.direct_user_creation_max_duration:
duration_seconds = self.direct_user_creation_max_duration
password_hash = user_json["password_hash"].encode("utf-8") \
if user_json.get("password_hash") else None
@ -438,7 +427,6 @@ class CreateUserRestServlet(ClientV1RestServlet):
requester=requester,
localpart=localpart,
displayname=displayname,
duration_in_ms=(duration_seconds * 1000),
password_hash=password_hash
)

6
synapse/rest/client/v2_alpha/devices.py
View File

@ -39,7 +39,7 @@ class DevicesRestServlet(servlet.RestServlet):
@defer.inlineCallbacks
def on_GET(self, request):
requester = yield self.auth.get_user_by_req(request)
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
devices = yield self.device_handler.get_devices_by_user(
requester.user.to_string()
)
@ -63,7 +63,7 @@ class DeviceRestServlet(servlet.RestServlet):
@defer.inlineCallbacks
def on_GET(self, request, device_id):
requester = yield self.auth.get_user_by_req(request)
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
device = yield self.device_handler.get_device(
requester.user.to_string(),
device_id,
@ -99,7 +99,7 @@ class DeviceRestServlet(servlet.RestServlet):
@defer.inlineCallbacks
def on_PUT(self, request, device_id):
requester = yield self.auth.get_user_by_req(request)
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
body = servlet.parse_json_object_from_request(request)
yield self.device_handler.update_device(

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

@ -65,7 +65,7 @@ class KeyUploadServlet(RestServlet):
@defer.inlineCallbacks
def on_POST(self, request, device_id):
requester = yield self.auth.get_user_by_req(request)
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
user_id = requester.user.to_string()
body = parse_json_object_from_request(request)
@ -150,7 +150,7 @@ class KeyQueryServlet(RestServlet):
@defer.inlineCallbacks
def on_POST(self, request, user_id, device_id):
yield self.auth.get_user_by_req(request)
yield self.auth.get_user_by_req(request, allow_guest=True)
timeout = parse_integer(request, "timeout", 10 * 1000)
body = parse_json_object_from_request(request)
result = yield self.e2e_keys_handler.query_devices(body, timeout)
@ -158,7 +158,7 @@ class KeyQueryServlet(RestServlet):
@defer.inlineCallbacks
def on_GET(self, request, user_id, device_id):
requester = yield self.auth.get_user_by_req(request)
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
timeout = parse_integer(request, "timeout", 10 * 1000)
auth_user_id = requester.user.to_string()
user_id = user_id if user_id else auth_user_id
@ -204,7 +204,7 @@ class OneTimeKeyServlet(RestServlet):
@defer.inlineCallbacks
def on_GET(self, request, user_id, device_id, algorithm):
yield self.auth.get_user_by_req(request)
yield self.auth.get_user_by_req(request, allow_guest=True)
timeout = parse_integer(request, "timeout", 10 * 1000)
result = yield self.e2e_keys_handler.claim_one_time_keys(
{"one_time_keys": {user_id: {device_id: algorithm}}},
@ -214,7 +214,7 @@ class OneTimeKeyServlet(RestServlet):
@defer.inlineCallbacks
def on_POST(self, request, user_id, device_id, algorithm):
yield self.auth.get_user_by_req(request)
yield self.auth.get_user_by_req(request, allow_guest=True)
timeout = parse_integer(request, "timeout", 10 * 1000)
body = parse_json_object_from_request(request)
result = yield self.e2e_keys_handler.claim_one_time_keys(

19
synapse/rest/client/v2_alpha/register.py
View File

@ -15,6 +15,7 @@
from twisted.internet import defer
import synapse
from synapse.api.auth import get_access_token_from_request, has_access_token
from synapse.api.constants import LoginType
from synapse.api.errors import SynapseError, Codes, UnrecognizedRequestError
@ -100,12 +101,14 @@ class RegisterRestServlet(RestServlet):
def on_POST(self, request):
yield run_on_reactor()
body = parse_json_object_from_request(request)
kind = "user"
if "kind" in request.args:
kind = request.args["kind"][0]
if kind == "guest":
ret = yield self._do_guest_registration()
ret = yield self._do_guest_registration(body)
defer.returnValue(ret)
return
elif kind != "user":
@ -113,8 +116,6 @@ class RegisterRestServlet(RestServlet):
"Do not understand membership kind: %s" % (kind,)
)
body = parse_json_object_from_request(request)
# we do basic sanity checks here because the auth layer will store these
# in sessions. Pull out the username/password provided to us.
desired_password = None
@ -420,13 +421,22 @@ class RegisterRestServlet(RestServlet):
)
@defer.inlineCallbacks
def _do_guest_registration(self):
def _do_guest_registration(self, params):
if not self.hs.config.allow_guest_access:
defer.returnValue((403, "Guest access is disabled"))
user_id, _ = yield self.registration_handler.register(
generate_token=False,
make_guest=True
)
# we don't allow guests to specify their own device_id, because
# we have nowhere to store it.
device_id = synapse.api.auth.GUEST_DEVICE_ID
initial_display_name = params.get("initial_device_display_name")
self.device_handler.check_device_registered(
user_id, device_id, initial_display_name
)
access_token = self.auth_handler.generate_access_token(
user_id, ["guest = true"]
)
@ -434,6 +444,7 @@ class RegisterRestServlet(RestServlet):
# so long as we don't return a refresh_token here.
defer.returnValue((200, {
"user_id": user_id,
"device_id": device_id,
"access_token": access_token,
"home_server": self.hs.hostname,
}))

2
synapse/rest/client/v2_alpha/sendtodevice.py
View File

@ -50,7 +50,7 @@ class SendToDeviceRestServlet(servlet.RestServlet):
@defer.inlineCallbacks
def _put(self, request, message_type, txn_id):
requester = yield self.auth.get_user_by_req(request)
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
content = parse_json_object_from_request(request)

6
tests/handlers/test_auth.py
View File

@ -61,14 +61,14 @@ class AuthTestCase(unittest.TestCase):
def verify_type(caveat):
return caveat == "type = access"
def verify_expiry(caveat):
return caveat == "time < 8600000"
def verify_nonce(caveat):
return caveat.startswith("nonce =")
v = pymacaroons.Verifier()
v.satisfy_general(verify_gen)
v.satisfy_general(verify_user)
v.satisfy_general(verify_type)
v.satisfy_general(verify_expiry)
v.satisfy_general(verify_nonce)
v.verify(macaroon, self.hs.config.macaroon_secret_key)
def test_short_term_login_token_gives_user_id(self):

6
tests/handlers/test_register.py
View File

@ -53,13 +53,12 @@ class RegistrationTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_user_is_created_and_logged_in_if_doesnt_exist(self):
duration_ms = 200
local_part = "someone"
display_name = "someone"
user_id = "@someone:test"
requester = create_requester("@as:test")
result_user_id, result_token = yield self.handler.get_or_create_user(
requester, local_part, display_name, duration_ms)
requester, local_part, display_name)
self.assertEquals(result_user_id, user_id)
self.assertEquals(result_token, 'secret')
@ -71,12 +70,11 @@ class RegistrationTestCase(unittest.TestCase):
user_id=frank.to_string(),
token="jkv;g498752-43gj['eamb!-5",
password_hash=None)
duration_ms = 200
local_part = "frank"
display_name = "Frank"
user_id = "@frank:test"
requester = create_requester("@as:test")
result_user_id, result_token = yield self.handler.get_or_create_user(
requester, local_part, display_name, duration_ms)
requester, local_part, display_name)
self.assertEquals(result_user_id, user_id)
self.assertEquals(result_token, 'secret')