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Convert rest and handlers to use new event structure

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This commit is contained in:
Erik Johnston 2014-12-04 15:50:01 +00:00
parent 5d7c9ab789
commit c31dba86ec
14 changed files with 188 additions and 199 deletions
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2
synapse/crypto/event_signing.py
View file

@ -15,7 +15,7 @@
# limitations under the License.
from synapse.api.events.utils import prune_event
from synapse.events.utils import prune_event
from syutil.jsonutil import encode_canonical_json
from syutil.base64util import encode_base64, decode_base64
from syutil.crypto.jsonsign import sign_json

8
synapse/events/__init__.py
View file

@ -85,10 +85,10 @@ class EventBase(object):
return hasattr(self, "state_key")
def get_dict(self):
d = dict(self._original)
d = dict(self._event_dict)
d.update({
"signatures": self._signatures,
"unsigned": self._unsigned,
"signatures": self.signatures,
"unsigned": self.unsigned,
})
return d
@ -128,7 +128,7 @@ class FrozenEvent(EventBase):
@staticmethod
def from_event(event):
e = FrozenEvent(
event.event_dict()
event.get_pdu_json()
)
e.internal_metadata = event.internal_metadata

5
synapse/events/builder.py
View file

@ -22,10 +22,13 @@ from synapse.util.stringutils import random_string
class EventBuilder(EventBase):
def __init__(self, key_values={}):
super(FrozenEvent, self).__init__(
super(EventBuilder, self).__init__(
key_values,
)
def update_event_key(self, key, value):
self._event_dict[key] = value
def update_event_keys(self, other_dict):
self._event_dict.update(other_dict)

18
synapse/federation/replication.py
View file

@ -74,6 +74,7 @@ class ReplicationLayer(object):
self._clock = hs.get_clock()
self.event_factory = hs.get_event_factory()
self.event_builder_factory = hs.get_event_builder_factory()
def set_handler(self, handler):
"""Sets the handler that the replication layer will use to communicate
@ -658,19 +659,14 @@ class ReplicationLayer(object):
return "<ReplicationLayer(%s)>" % self.server_name
def event_from_pdu_json(self, pdu_json, outlier=False):
#TODO: Check we have all the PDU keys here
pdu_json.setdefault("hashes", {})
pdu_json.setdefault("signatures", {})
sender = pdu_json.pop("sender", None)
if sender is not None:
pdu_json["user_id"] = sender
state_hash = pdu_json.get("unsigned", {}).pop("state_hash", None)
if state_hash is not None:
pdu_json["state_hash"] = state_hash
return self.event_factory.create_event(
pdu_json["type"], outlier=outlier, **pdu_json
builder = self.event_builder_factory.new(
pdu_json
)
builder.internal_metadata = outlier
return builder.build()
class _TransactionQueue(object):
"""This class makes sure we only have one transaction in flight at

14
synapse/handlers/_base.py
View file

@ -46,6 +46,8 @@ class BaseHandler(object):
self.signing_key = hs.config.signing_key[0]
self.server_name = hs.hostname
self.event_builder_factory = hs.get_event_builder_factory()
def ratelimit(self, user_id):
time_now = self.clock.time()
allowed, time_allowed = self.ratelimiter.send_message(
@ -92,7 +94,7 @@ class BaseHandler(object):
builder.prev_events = prev_events
builder.depth = depth
auth_events = yield self.auth.get_event_auth(builder, curr_state)
auth_events = yield self.auth.get_auth_events(builder, curr_state)
builder.update_event_key("auth_events", auth_events)
@ -105,7 +107,7 @@ class BaseHandler(object):
auth_ids = zip(*auth_events)[0]
curr_auth_events = {
k: v
for k, v in curr_state
for k, v in curr_state.items()
if v.event_id in auth_ids
}
@ -119,14 +121,16 @@ class BaseHandler(object):
)
@defer.inlineCallbacks
def _handle_new_client_event(self, event, context):
def handle_new_client_event(self, event, context, extra_destinations=[],
extra_users=[], suppress_auth=False):
# We now need to go and hit out to wherever we need to hit out to.
if not suppress_auth:
self.auth.check(event, auth_events=context.auth_events)
yield self.store.persist_event(event)
destinations = set()
destinations = set(extra_destinations)
for k, s in context.current_state.items():
try:
if k[0] == EventTypes.Member:
@ -139,7 +143,7 @@ class BaseHandler(object):
"Failed to get destination from event %s", s.event_id
)
yield self.notifier.on_new_room_event(event)
yield self.notifier.on_new_room_event(event, extra_users=extra_users)
federation_handler = self.hs.get_handlers().federation_handler
yield federation_handler.handle_new_event(

20
synapse/handlers/directory.py
View file

@ -148,16 +148,12 @@ class DirectoryHandler(BaseHandler):
def send_room_alias_update_event(self, user_id, room_id):
aliases = yield self.store.get_aliases_for_room(room_id)
event = self.event_factory.create_event(
etype=RoomAliasesEvent.TYPE,
state_key=self.hs.hostname,
room_id=room_id,
user_id=user_id,
content={"aliases": aliases},
)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.handle_event({
"type": RoomAliasesEvent.TYPE,
"state_key": self.hs.hostname,
"room_id": room_id,
"sender": user_id,
"content": {"aliases": aliases},
})
snapshot = yield self.store.snapshot_room(event)
yield self._on_new_room_event(
event, snapshot, extra_users=[user_id], suppress_auth=True
)

19
synapse/handlers/federation.py
View file

@ -421,16 +421,17 @@ class FederationHandler(BaseHandler):
join event for the room and return that. We don *not* persist or
process it until the other server has signed it and sent it back.
"""
event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
content={"membership": Membership.JOIN},
room_id=context,
user_id=user_id,
state_key=user_id,
)
builder = self.event_builder_factory.new({
"type": RoomMemberEvent.TYPE,
"content": {"membership": Membership.JOIN},
"room_id": context,
"sender": user_id,
"state_key": user_id,
})
snapshot = yield self.store.snapshot_room(event)
snapshot.fill_out_prev_events(event)
event, context = yield self._create_new_client_event(
builder=builder,
)
yield self.state_handler.annotate_event_with_state(event)
yield self.auth.add_auth_events(event)

23
synapse/handlers/message.py
View file

@ -15,7 +15,7 @@
from twisted.internet import defer
from synapse.api.constants import Membership
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import RoomError
from synapse.streams.config import PaginationConfig
from synapse.util.logcontext import PreserveLoggingContext
@ -133,6 +133,27 @@ class MessageHandler(BaseHandler):
defer.returnValue(chunk)
@defer.inlineCallbacks
def handle_event(self, event_dict):
builder = self.event_builder_factory.new(event_dict)
event, context = yield self._create_new_client_event(
builder=builder,
)
# TODO: self.validator.validate(event)
if event.type == EventTypes.Member:
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.change_membership(event, context)
else:
yield self.handle_new_client_event(
event=event,
context=context,
)
defer.returnValue(event)
@defer.inlineCallbacks
def store_room_data(self, event=None):
""" Stores data for a room.

19
synapse/handlers/profile.py
View file

@ -210,14 +210,11 @@ class ProfileHandler(BaseHandler):
"collect_presencelike_data", user, content
)
new_event = self.event_factory.create_event(
etype=j.type,
room_id=j.room_id,
state_key=j.state_key,
content=content,
user_id=j.state_key,
)
yield self._on_new_room_event(
new_event, snapshot, suppress_auth=True
)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.handle_event({
"type": j.type,
"room_id": j.room_id,
"state_key": j.state_key,
"content": content,
"sender": j.state_key,
})

130
synapse/handlers/room.py
View file

@ -123,59 +123,37 @@ class RoomCreationHandler(BaseHandler):
user, room_id, is_public=is_public
)
room_member_handler = self.hs.get_handlers().room_member_handler
@defer.inlineCallbacks
def handle_event(event):
snapshot = yield self.store.snapshot_room(event)
logger.debug("Event: %s", event)
if event.type == RoomMemberEvent.TYPE:
yield room_member_handler.change_membership(
event,
do_auth=True
)
else:
yield self._on_new_room_event(
event, snapshot, extra_users=[user], suppress_auth=True
)
msg_handler = self.hs.get_handlers().message_handler
for event in creation_events:
yield handle_event(event)
yield msg_handler.handle_event(event)
if "name" in config:
name = config["name"]
name_event = self.event_factory.create_event(
etype=RoomNameEvent.TYPE,
room_id=room_id,
user_id=user_id,
content={"name": name},
)
yield handle_event(name_event)
yield msg_handler.handle_event({
"type": RoomNameEvent.TYPE,
"room_id": room_id,
"sender": user_id,
"content": {"name": name},
})
if "topic" in config:
topic = config["topic"]
topic_event = self.event_factory.create_event(
etype=RoomTopicEvent.TYPE,
room_id=room_id,
user_id=user_id,
content={"topic": topic},
)
yield msg_handler.handle_event({
"type": RoomTopicEvent.TYPE,
"room_id": room_id,
"sender": user_id,
"content": {"topic": topic},
})
yield handle_event(topic_event)
content = {"membership": Membership.INVITE}
for invitee in invite_list:
invite_event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
state_key=invitee,
room_id=room_id,
user_id=user_id,
content=content
)
yield handle_event(invite_event)
yield msg_handler.handle_event({
"type": RoomMemberEvent.TYPE,
"state_key": invitee,
"room_id": room_id,
"user_id": user_id,
"content": {"membership": Membership.INVITE},
})
result = {"room_id": room_id}
@ -192,22 +170,25 @@ class RoomCreationHandler(BaseHandler):
event_keys = {
"room_id": room_id,
"user_id": creator_id,
"sender": creator_id,
}
def create(etype, **content):
return self.event_factory.create_event(
etype=etype,
content=content,
**event_keys
)
def create(etype, content):
e = {
"type": etype,
"content": content,
}
e.update(event_keys)
return e
creation_event = create(
etype=RoomCreateEvent.TYPE,
creator=creator.to_string(),
content={"creator": creator.to_string()},
)
join_event = self.event_factory.create_event(
join_event = create(
etype=RoomMemberEvent.TYPE,
state_key=creator_id,
content={
@ -216,7 +197,7 @@ class RoomCreationHandler(BaseHandler):
**event_keys
)
power_levels_event = self.event_factory.create_event(
power_levels_event = create(
etype=RoomPowerLevelsEvent.TYPE,
content={
"users": {
@ -233,13 +214,12 @@ class RoomCreationHandler(BaseHandler):
"kick": 50,
"redact": 50
},
**event_keys
)
join_rule = JoinRules.PUBLIC if is_public else JoinRules.INVITE
join_rules_event = create(
etype=RoomJoinRulesEvent.TYPE,
join_rule=join_rule,
content={"join_rule": join_rule},
)
return [
@ -351,7 +331,7 @@ class RoomMemberHandler(BaseHandler):
defer.returnValue(member)
@defer.inlineCallbacks
def change_membership(self, event=None, do_auth=True):
def change_membership(self, event, context, do_auth=True):
""" Change the membership status of a user in a room.
Args:
@ -361,8 +341,6 @@ class RoomMemberHandler(BaseHandler):
"""
target_user_id = event.state_key
snapshot = yield self.store.snapshot_room(event)
## TODO(markjh): get prev state from snapshot.
prev_state = yield self.store.get_room_member(
target_user_id, event.room_id
@ -374,7 +352,7 @@ class RoomMemberHandler(BaseHandler):
# if this HS is not currently in the room, i.e. we have to do the
# invite/join dance.
if event.membership == Membership.JOIN:
yield self._do_join(event, snapshot, do_auth=do_auth)
yield self._do_join(event, context, do_auth=do_auth)
else:
# This is not a JOIN, so we can handle it normally.
@ -387,7 +365,7 @@ class RoomMemberHandler(BaseHandler):
yield self._do_local_membership_update(
event,
membership=event.content["membership"],
snapshot=snapshot,
context=context,
do_auth=do_auth,
)
@ -409,23 +387,21 @@ class RoomMemberHandler(BaseHandler):
host = hosts[0]
content.update({"membership": Membership.JOIN})
new_event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
state_key=joinee.to_string(),
room_id=room_id,
user_id=joinee.to_string(),
membership=Membership.JOIN,
content=content,
)
event, context = yield self.create_new_client_event({
"type": RoomMemberEvent.TYPE,
"state_key": joinee.to_string(),
"room_id": room_id,
"sender": joinee.to_string(),
"membership": Membership.JOIN,
"content": content,
})
snapshot = yield self.store.snapshot_room(new_event)
yield self._do_join(new_event, snapshot, room_host=host, do_auth=True)
yield self._do_join(event, context, room_host=host, do_auth=True)
defer.returnValue({"room_id": room_id})
@defer.inlineCallbacks
def _do_join(self, event, snapshot, room_host=None, do_auth=True):
def _do_join(self, event, context, room_host=None, do_auth=True):
joinee = self.hs.parse_userid(event.state_key)
# room_id = RoomID.from_string(event.room_id, self.hs)
room_id = event.room_id
@ -470,7 +446,7 @@ class RoomMemberHandler(BaseHandler):
if should_do_dance:
handler = self.hs.get_handlers().federation_handler
have_joined = yield handler.do_invite_join(
room_host, room_id, event.user_id, event.content, snapshot
room_host, room_id, event.user_id, event.content, context
)
# We want to do the _do_update inside the room lock.
@ -480,7 +456,7 @@ class RoomMemberHandler(BaseHandler):
yield self._do_local_membership_update(
event,
membership=event.content["membership"],
snapshot=snapshot,
context=context,
do_auth=do_auth,
)
@ -530,7 +506,7 @@ class RoomMemberHandler(BaseHandler):
defer.returnValue(room_ids)
@defer.inlineCallbacks
def _do_local_membership_update(self, event, membership, snapshot,
def _do_local_membership_update(self, event, membership, context,
do_auth):
yield run_on_reactor()
@ -543,9 +519,9 @@ class RoomMemberHandler(BaseHandler):
else:
do_invite_host = None
yield self._on_new_room_event(
yield self.handle_new_client_event(
event,
snapshot,
context,
extra_users=[target_user],
suppress_auth=(not do_auth),
do_invite_host=do_invite_host,

2
synapse/rest/base.py
View file

@ -63,7 +63,7 @@ class RestServlet(object):
self.hs = hs
self.handlers = hs.get_handlers()
self.event_factory = hs.get_event_factory()
self.builder_factory = hs.get_event_builder_factory()
self.auth = hs.get_auth()
self.txns = HttpTransactionStore()

108
synapse/rest/room.py
View file

@ -117,10 +117,10 @@ class RoomStateEventRestServlet(RestServlet):
self.on_PUT_no_state_key)
def on_GET_no_state_key(self, request, room_id, event_type):
return self.on_GET(request, room_id, event_type, "")
return self.on_GET(request, room_id, event_type, None)
def on_PUT_no_state_key(self, request, room_id, event_type):
return self.on_PUT(request, room_id, event_type, "")
return self.on_PUT(request, room_id, event_type, None)
@defer.inlineCallbacks
def on_GET(self, request, room_id, event_type, state_key):
@ -147,27 +147,17 @@ class RoomStateEventRestServlet(RestServlet):
content = _parse_json(request)
event = self.event_factory.create_event(
etype=event_type, # already urldecoded
content=content,
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
state_key=urllib.unquote(state_key)
)
self.validator.validate(event)
if event_type == RoomMemberEvent.TYPE:
# membership events are special
handler = self.handlers.room_member_handler
yield handler.change_membership(event)
defer.returnValue((200, {}))
else:
# store random bits of state
msg_handler = self.handlers.message_handler
yield msg_handler.store_room_data(
event=event
yield msg_handler.handle_event(
{
"type": event_type,
"content": content,
"room_id": room_id,
"sender": user.to_string(),
"state_key": urllib.unquote(state_key),
}
)
defer.returnValue((200, {}))
@ -184,17 +174,15 @@ class RoomSendEventRestServlet(RestServlet):
user = yield self.auth.get_user_by_req(request)
content = _parse_json(request)
event = self.event_factory.create_event(
etype=urllib.unquote(event_type),
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
content=content
)
self.validator.validate(event)
msg_handler = self.handlers.message_handler
yield msg_handler.send_message(event)
event = yield msg_handler.handle_event(
{
"type": urllib.unquote(event_type),
"content": content,
"room_id": urllib.unquote(room_id),
"sender": user.to_string(),
}
)
defer.returnValue((200, {"event_id": event.event_id}))
@ -251,18 +239,17 @@ class JoinRoomAliasServlet(RestServlet):
ret_dict = yield handler.join_room_alias(user, identifier)
defer.returnValue((200, ret_dict))
else: # room id
event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
content={"membership": Membership.JOIN},
room_id=urllib.unquote(identifier.to_string()),
user_id=user.to_string(),
state_key=user.to_string()
msg_handler = self.handlers.message_handler
yield msg_handler.handle_event(
{
"type": RoomMemberEvent.TYPE,
"content": {"membership": Membership.JOIN},
"room_id": urllib.unquote(identifier.to_string()),
"sender": user.to_string(),
"state_key": user.to_string(),
}
)
self.validator.validate(event)
handler = self.handlers.room_member_handler
yield handler.change_membership(event)
defer.returnValue((200, {}))
@defer.inlineCallbacks
@ -414,18 +401,17 @@ class RoomMembershipRestServlet(RestServlet):
if membership_action == "kick":
membership_action = "leave"
event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
content={"membership": unicode(membership_action)},
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
state_key=state_key
msg_handler = self.handlers.message_handler
yield msg_handler.handle_event(
{
"type": RoomMemberEvent.TYPE,
"content": {"membership": unicode(membership_action)},
"room_id": urllib.unquote(room_id),
"sender": user.to_string(),
"state_key": state_key,
}
)
self.validator.validate(event)
handler = self.handlers.room_member_handler
yield handler.change_membership(event)
defer.returnValue((200, {}))
@defer.inlineCallbacks
@ -453,18 +439,16 @@ class RoomRedactEventRestServlet(RestServlet):
user = yield self.auth.get_user_by_req(request)
content = _parse_json(request)
event = self.event_factory.create_event(
etype=RoomRedactionEvent.TYPE,
room_id=urllib.unquote(room_id),
user_id=user.to_string(),
content=content,
redacts=urllib.unquote(event_id),
)
self.validator.validate(event)
msg_handler = self.handlers.message_handler
yield msg_handler.send_message(event)
event = yield msg_handler.handle_event(
{
"type": RoomRedactionEvent.TYPE,
"content": content,
"room_id": urllib.unquote(room_id),
"sender": user.to_string(),
"redacts": urllib.unquote(event_id),
}
)
defer.returnValue((200, {"event_id": event.event_id}))

8
synapse/server.py
View file

@ -36,6 +36,7 @@ from synapse.util.lockutils import LockManager
from synapse.streams.events import EventSources
from synapse.api.ratelimiting import Ratelimiter
from synapse.crypto.keyring import Keyring
from synapse.events.builder import EventBuilderFactory
class BaseHomeServer(object):
@ -82,6 +83,7 @@ class BaseHomeServer(object):
'ratelimiter',
'keyring',
'event_validator',
'event_builder_factory',
]
def __init__(self, hostname, **kwargs):
@ -231,6 +233,12 @@ class HomeServer(BaseHomeServer):
def build_event_validator(self):
return EventValidator(self)
def build_event_builder_factory(self):
return EventBuilderFactory(
clock=self.get_clock(),
hostname=self.hostname,
)
def register_servlets(self):
""" Register all servlets associated with this HomeServer.
"""

5
synapse/storage/signatures.py
View file

@ -13,6 +13,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from _base import SQLBaseStore
from syutil.base64util import encode_base64
@ -69,8 +71,9 @@ class SignatureStore(SQLBaseStore):
f
)
@defer.inlineCallbacks
def add_event_hashes(self, event_ids):
hashes = yield self.store.get_event_reference_hashes(
hashes = yield self.get_event_reference_hashes(
event_ids
)
hashes = [