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Pass whole requester to ratelimiting

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This will enable more detailed decisions
This commit is contained in:
Daniel Wagner-Hall 2016-03-03 16:43:42 +00:00
parent 95481e7ba7
commit b4022cc487
13 changed files with 124 additions and 76 deletions
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15
synapse/handlers/_base.py
View File

@ -160,10 +160,10 @@ class BaseHandler(object):
)
defer.returnValue(res.get(user_id, []))
def ratelimit(self, user_id):
def ratelimit(self, requester):
time_now = self.clock.time()
allowed, time_allowed = self.ratelimiter.send_message(
user_id, time_now,
requester.user.to_string(), time_now,
msg_rate_hz=self.hs.config.rc_messages_per_second,
burst_count=self.hs.config.rc_message_burst_count,
)
@ -263,11 +263,18 @@ class BaseHandler(object):
return False
@defer.inlineCallbacks
def handle_new_client_event(self, event, context, ratelimit=True, extra_users=[]):
def handle_new_client_event(
self,
requester,
event,
context,
ratelimit=True,
extra_users=[]
):
# We now need to go and hit out to wherever we need to hit out to.
if ratelimit:
self.ratelimit(event.sender)
self.ratelimit(requester)
self.auth.check(event, auth_events=context.current_state)

10
synapse/handlers/directory.py
View File

@ -212,17 +212,21 @@ class DirectoryHandler(BaseHandler):
)
@defer.inlineCallbacks
def send_room_alias_update_event(self, user_id, room_id):
def send_room_alias_update_event(self, requester, user_id, room_id):
aliases = yield self.store.get_aliases_for_room(room_id)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event({
yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Aliases,
"state_key": self.hs.hostname,
"room_id": room_id,
"sender": user_id,
"content": {"aliases": aliases},
}, ratelimit=False)
},
ratelimit=False
)
@defer.inlineCallbacks
def get_association_from_room_alias(self, room_alias):

4
synapse/handlers/federation.py
View File

@ -1657,7 +1657,7 @@ class FederationHandler(BaseHandler):
self.auth.check(event, context.current_state)
yield self._check_signature(event, auth_events=context.current_state)
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(event, context, from_client=False)
yield member_handler.send_membership_event(None, event, context)
else:
destinations = set(x.split(":", 1)[-1] for x in (sender_user_id, room_id))
yield self.replication_layer.forward_third_party_invite(
@ -1686,7 +1686,7 @@ class FederationHandler(BaseHandler):
# TODO: Make sure the signatures actually are correct.
event.signatures.update(returned_invite.signatures)
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(event, context, from_client=False)
yield member_handler.send_membership_event(None, event, context)
@defer.inlineCallbacks
def add_display_name_to_third_party_invite(self, event_dict, event, context):

8
synapse/handlers/message.py
View File

@ -215,7 +215,7 @@ class MessageHandler(BaseHandler):
defer.returnValue((event, context))
@defer.inlineCallbacks
def send_nonmember_event(self, event, context, ratelimit=True):
def send_nonmember_event(self, requester, event, context, ratelimit=True):
"""
Persists and notifies local clients and federation of an event.
@ -241,6 +241,7 @@ class MessageHandler(BaseHandler):
defer.returnValue(prev_state)
yield self.handle_new_client_event(
requester=requester,
event=event,
context=context,
ratelimit=ratelimit,
@ -268,9 +269,9 @@ class MessageHandler(BaseHandler):
@defer.inlineCallbacks
def create_and_send_nonmember_event(
self,
requester,
event_dict,
ratelimit=True,
token_id=None,
txn_id=None
):
"""
@ -280,10 +281,11 @@ class MessageHandler(BaseHandler):
"""
event, context = yield self.create_event(
event_dict,
token_id=token_id,
token_id=requester.access_token_id,
txn_id=txn_id
)
yield self.send_nonmember_event(
requester,
event,
context,
ratelimit=ratelimit,

17
synapse/handlers/profile.py
View File

@ -89,13 +89,13 @@ class ProfileHandler(BaseHandler):
defer.returnValue(result["displayname"])
@defer.inlineCallbacks
def set_displayname(self, target_user, auth_user, new_displayname):
def set_displayname(self, target_user, requester, new_displayname):
"""target_user is the user whose displayname is to be changed;
auth_user is the user attempting to make this change."""
if not self.hs.is_mine(target_user):
raise SynapseError(400, "User is not hosted on this Home Server")
if target_user != auth_user:
if target_user != requester.user:
raise AuthError(400, "Cannot set another user's displayname")
if new_displayname == '':
@ -109,7 +109,7 @@ class ProfileHandler(BaseHandler):
"displayname": new_displayname,
})
yield self._update_join_states(target_user)
yield self._update_join_states(requester)
@defer.inlineCallbacks
def get_avatar_url(self, target_user):
@ -139,13 +139,13 @@ class ProfileHandler(BaseHandler):
defer.returnValue(result["avatar_url"])
@defer.inlineCallbacks
def set_avatar_url(self, target_user, auth_user, new_avatar_url):
def set_avatar_url(self, target_user, requester, new_avatar_url):
"""target_user is the user whose avatar_url is to be changed;
auth_user is the user attempting to make this change."""
if not self.hs.is_mine(target_user):
raise SynapseError(400, "User is not hosted on this Home Server")
if target_user != auth_user:
if target_user != requester.user:
raise AuthError(400, "Cannot set another user's avatar_url")
yield self.store.set_profile_avatar_url(
@ -156,7 +156,7 @@ class ProfileHandler(BaseHandler):
"avatar_url": new_avatar_url,
})
yield self._update_join_states(target_user)
yield self._update_join_states(requester)
@defer.inlineCallbacks
def collect_presencelike_data(self, user, state):
@ -199,11 +199,12 @@ class ProfileHandler(BaseHandler):
defer.returnValue(response)
@defer.inlineCallbacks
def _update_join_states(self, user):
def _update_join_states(self, requester):
user = requester.user
if not self.hs.is_mine(user):
return
self.ratelimit(user.to_string())
self.ratelimit(requester)
joins = yield self.store.get_rooms_for_user(
user.to_string(),

56
synapse/handlers/room.py
View File

@ -18,7 +18,7 @@ from twisted.internet import defer
from ._base import BaseHandler
from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken, Requester
from synapse.api.constants import (
EventTypes, Membership, JoinRules, RoomCreationPreset,
)
@ -90,7 +90,7 @@ class RoomCreationHandler(BaseHandler):
"""
user_id = requester.user.to_string()
self.ratelimit(user_id)
self.ratelimit(requester)
if "room_alias_name" in config:
for wchar in string.whitespace:
@ -185,23 +185,29 @@ class RoomCreationHandler(BaseHandler):
if "name" in config:
name = config["name"]
yield msg_handler.create_and_send_nonmember_event({
yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Name,
"room_id": room_id,
"sender": user_id,
"state_key": "",
"content": {"name": name},
}, ratelimit=False)
},
ratelimit=False)
if "topic" in config:
topic = config["topic"]
yield msg_handler.create_and_send_nonmember_event({
yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Topic,
"room_id": room_id,
"sender": user_id,
"state_key": "",
"content": {"topic": topic},
}, ratelimit=False)
},
ratelimit=False)
for invitee in invite_list:
room_member_handler.update_membership(
@ -231,7 +237,7 @@ class RoomCreationHandler(BaseHandler):
if room_alias:
result["room_alias"] = room_alias.to_string()
yield directory_handler.send_room_alias_update_event(
user_id, room_id
requester, user_id, room_id
)
defer.returnValue(result)
@ -263,7 +269,11 @@ class RoomCreationHandler(BaseHandler):
@defer.inlineCallbacks
def send(etype, content, **kwargs):
event = create(etype, content, **kwargs)
yield msg_handler.create_and_send_nonmember_event(event, ratelimit=False)
yield msg_handler.create_and_send_nonmember_event(
creator,
event,
ratelimit=False
)
config = RoomCreationHandler.PRESETS_DICT[preset_config]
@ -454,12 +464,11 @@ class RoomMemberHandler(BaseHandler):
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(
requester,
event,
context,
is_guest=requester.is_guest,
ratelimit=ratelimit,
remote_room_hosts=remote_room_hosts,
from_client=True,
)
if action == "forget":
@ -468,17 +477,19 @@ class RoomMemberHandler(BaseHandler):
@defer.inlineCallbacks
def send_membership_event(
self,
requester,
event,
context,
is_guest=False,
remote_room_hosts=None,
ratelimit=True,
from_client=True,
):
"""
Change the membership status of a user in a room.
Args:
requester (Requester): The local user who requested the membership
event. If None, certain checks, like whether this homeserver can
act as the sender, will be skipped.
event (SynapseEvent): The membership event.
context: The context of the event.
is_guest (bool): Whether the sender is a guest.
@ -486,19 +497,21 @@ class RoomMemberHandler(BaseHandler):
the room, and could be danced with in order to join this
homeserver for the first time.
ratelimit (bool): Whether to rate limit this request.
from_client (bool): Whether this request is the result of a local
client request (rather than over federation). If so, we will
perform extra checks, like that this homeserver can act as this
client.
Raises:
SynapseError if there was a problem changing the membership.
"""
target_user = UserID.from_string(event.state_key)
room_id = event.room_id
if from_client:
if requester is not None:
sender = UserID.from_string(event.sender)
assert sender == requester.user, (
"Sender (%s) must be same as requester (%s)" %
(sender, requester.user)
)
assert self.hs.is_mine(sender), "Sender must be our own: %s" % (sender,)
else:
requester = Requester(target_user, None, False)
message_handler = self.hs.get_handlers().message_handler
prev_event = message_handler.deduplicate_state_event(event, context)
@ -508,7 +521,7 @@ class RoomMemberHandler(BaseHandler):
action = "send"
if event.membership == Membership.JOIN:
if is_guest and not self._can_guest_join(context.current_state):
if requester.is_guest and not self._can_guest_join(context.current_state):
# This should be an auth check, but guests are a local concept,
# so don't really fit into the general auth process.
raise AuthError(403, "Guest access not allowed")
@ -551,6 +564,7 @@ class RoomMemberHandler(BaseHandler):
)
else:
yield self.handle_new_client_event(
requester,
event,
context,
extra_users=[target_user],
@ -669,12 +683,12 @@ class RoomMemberHandler(BaseHandler):
)
else:
yield self._make_and_store_3pid_invite(
requester,
id_server,
medium,
address,
room_id,
inviter,
requester.access_token_id,
txn_id=txn_id
)
@ -732,12 +746,12 @@ class RoomMemberHandler(BaseHandler):
@defer.inlineCallbacks
def _make_and_store_3pid_invite(
self,
requester,
id_server,
medium,
address,
room_id,
user,
token_id,
txn_id
):
room_state = yield self.hs.get_state_handler().get_current_state(room_id)
@ -787,6 +801,7 @@ class RoomMemberHandler(BaseHandler):
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.ThirdPartyInvite,
"content": {
@ -801,7 +816,6 @@ class RoomMemberHandler(BaseHandler):
"sender": user.to_string(),
"state_key": token,
},
token_id=token_id,
txn_id=txn_id,
)

6
synapse/rest/client/v1/directory.py
View File

@ -75,7 +75,11 @@ class ClientDirectoryServer(ClientV1RestServlet):
yield dir_handler.create_association(
user_id, room_alias, room_id, servers
)
yield dir_handler.send_room_alias_update_event(user_id, room_id)
yield dir_handler.send_room_alias_update_event(
requester,
user_id,
room_id
)
except SynapseError as e:
raise e
except:

4
synapse/rest/client/v1/profile.py
View File

@ -51,7 +51,7 @@ class ProfileDisplaynameRestServlet(ClientV1RestServlet):
defer.returnValue((400, "Unable to parse name"))
yield self.handlers.profile_handler.set_displayname(
user, requester.user, new_name)
user, requester, new_name)
defer.returnValue((200, {}))
@ -88,7 +88,7 @@ class ProfileAvatarURLRestServlet(ClientV1RestServlet):
defer.returnValue((400, "Unable to parse name"))
yield self.handlers.profile_handler.set_avatar_url(
user, requester.user, new_name)
user, requester, new_name)
defer.returnValue((200, {}))

8
synapse/rest/client/v1/room.py
View File

@ -158,12 +158,12 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
if event_type == EventTypes.Member:
yield self.handlers.room_member_handler.send_membership_event(
requester,
event,
context,
is_guest=requester.is_guest,
)
else:
yield msg_handler.send_nonmember_event(event, context)
yield msg_handler.send_nonmember_event(requester, event, context)
defer.returnValue((200, {"event_id": event.event_id}))
@ -183,13 +183,13 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": event_type,
"content": content,
"room_id": room_id,
"sender": requester.user.to_string(),
},
token_id=requester.access_token_id,
txn_id=txn_id,
)
@ -504,6 +504,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_nonmember_event(
requester,
{
"type": EventTypes.Redaction,
"content": content,
@ -511,7 +512,6 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
"sender": requester.user.to_string(),
"redacts": event_id,
},
token_id=requester.access_token_id,
txn_id=txn_id,
)

16
tests/handlers/test_profile.py
View File

@ -23,7 +23,7 @@ from synapse.api.errors import AuthError
from synapse.handlers.profile import ProfileHandler
from synapse.types import UserID
from tests.utils import setup_test_homeserver
from tests.utils import setup_test_homeserver, requester_for_user
class ProfileHandlers(object):
@ -84,7 +84,11 @@ class ProfileTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_set_my_name(self):
yield self.handler.set_displayname(self.frank, self.frank, "Frank Jr.")
yield self.handler.set_displayname(
self.frank,
requester_for_user(self.frank),
"Frank Jr."
)
self.assertEquals(
(yield self.store.get_profile_displayname(self.frank.localpart)),
@ -93,7 +97,11 @@ class ProfileTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_set_my_name_noauth(self):
d = self.handler.set_displayname(self.frank, self.bob, "Frank Jr.")
d = self.handler.set_displayname(
self.frank,
requester_for_user(self.bob),
"Frank Jr."
)
yield self.assertFailure(d, AuthError)
@ -136,7 +144,7 @@ class ProfileTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_set_my_avatar(self):
yield self.handler.set_avatar_url(
self.frank, self.frank, "http://my.server/pic.gif"
self.frank, requester_for_user(self.frank), "http://my.server/pic.gif"
)
self.assertEquals(

9
tests/replication/test_resource.py
View File

@ -18,7 +18,7 @@ from synapse.types import Requester, UserID
from twisted.internet import defer
from tests import unittest
from tests.utils import setup_test_homeserver
from tests.utils import setup_test_homeserver, requester_for_user
from mock import Mock, NonCallableMock
import json
import contextlib
@ -133,12 +133,15 @@ class ReplicationResourceCase(unittest.TestCase):
@defer.inlineCallbacks
def send_text_message(self, room_id, message):
handler = self.hs.get_handlers().message_handler
event = yield handler.create_and_send_nonmember_event({
event = yield handler.create_and_send_nonmember_event(
requester_for_user(self.user),
{
"type": "m.room.message",
"content": {"body": "message", "msgtype": "m.text"},
"room_id": room_id,
"sender": self.user.to_string(),
})
}
)
defer.returnValue(event.event_id)
@defer.inlineCallbacks

4
tests/rest/client/v1/test_profile.py
View File

@ -86,7 +86,7 @@ class ProfileTestCase(unittest.TestCase):
self.assertEquals(200, code)
self.assertEquals(mocked_set.call_args[0][0].localpart, "1234ABCD")
self.assertEquals(mocked_set.call_args[0][1].localpart, "1234ABCD")
self.assertEquals(mocked_set.call_args[0][1].user.localpart, "1234ABCD")
self.assertEquals(mocked_set.call_args[0][2], "Frank Jr.")
@defer.inlineCallbacks
@ -155,5 +155,5 @@ class ProfileTestCase(unittest.TestCase):
self.assertEquals(200, code)
self.assertEquals(mocked_set.call_args[0][0].localpart, "1234ABCD")
self.assertEquals(mocked_set.call_args[0][1].localpart, "1234ABCD")
self.assertEquals(mocked_set.call_args[0][1].user.localpart, "1234ABCD")
self.assertEquals(mocked_set.call_args[0][2], "http://my.server/pic.gif")

5
tests/utils.py
View File

@ -20,6 +20,7 @@ from synapse.storage.prepare_database import prepare_database
from synapse.storage.engines import create_engine
from synapse.server import HomeServer
from synapse.federation.transport import server
from synapse.types import Requester
from synapse.util.ratelimitutils import FederationRateLimiter
from synapse.util.logcontext import LoggingContext
@ -510,3 +511,7 @@ class DeferredMockCallable(object):
"call(%s)" % _format_call(c[0], c[1]) for c in calls
])
)
def requester_for_user(user):
return Requester(user, None, False)