From 67cd4dad81ed2932009472da2d13648ca11eab73 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 23 Jan 2019 16:50:06 +0000 Subject: [PATCH 1/6] Implement MSC 1813 - Add room version to make APIs We also implement `make_membership_event` converting the returned room version to an event format version. --- synapse/events/__init__.py | 17 ++++++++++++++++- synapse/federation/federation_client.py | 21 ++++++++++++++++----- synapse/federation/federation_server.py | 8 +++++++- synapse/handlers/federation.py | 2 +- 4 files changed, 40 insertions(+), 8 deletions(-) diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py index 9dd6940385..e6f94e68af 100644 --- a/synapse/events/__init__.py +++ b/synapse/events/__init__.py @@ -18,7 +18,7 @@ from distutils.util import strtobool import six -from synapse.api.constants import EventFormatVersions +from synapse.api.constants import KNOWN_ROOM_VERSIONS, EventFormatVersions from synapse.util.caches import intern_dict from synapse.util.frozenutils import freeze @@ -235,3 +235,18 @@ class FrozenEvent(EventBase): self.get("type", None), self.get("state_key", None), ) + + +def room_version_to_event_format(room_version): + """Converts a room version string to the event format + + Args: + room_version (str) + + Returns: + int + """ + if room_version not in KNOWN_ROOM_VERSIONS: + raise + + return EventFormatVersions.V1 diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index d05ed91d64..0757ad12f4 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -25,14 +25,19 @@ from prometheus_client import Counter from twisted.internet import defer -from synapse.api.constants import KNOWN_ROOM_VERSIONS, EventTypes, Membership +from synapse.api.constants import ( + KNOWN_ROOM_VERSIONS, + EventTypes, + Membership, + RoomVersions, +) from synapse.api.errors import ( CodeMessageException, FederationDeniedError, HttpResponseException, SynapseError, ) -from synapse.events import builder +from synapse.events import builder, room_version_to_event_format from synapse.federation.federation_base import FederationBase, event_from_pdu_json from synapse.util import logcontext, unwrapFirstError from synapse.util.caches.expiringcache import ExpiringCache @@ -536,8 +541,9 @@ class FederationClient(FederationBase): params (dict[str, str|Iterable[str]]): Query parameters to include in the request. Return: - Deferred: resolves to a tuple of (origin (str), event (object)) - where origin is the remote homeserver which generated the event. + Deferred[tuple[str, dict, int]]: resolves to a tuple of + `(origin, event, event_format)` where origin is the remote + homeserver which generated the event. Fails with a ``SynapseError`` if the chosen remote server returns a 300/400 code. @@ -557,6 +563,11 @@ class FederationClient(FederationBase): destination, room_id, user_id, membership, params, ) + # Note: If not supplied, the room version may be either v1 or v2, + # however either way the event format version will be v1. + room_version = ret.get("room_version", RoomVersions.V1) + event_format = room_version_to_event_format(room_version) + pdu_dict = ret.get("event", None) if not isinstance(pdu_dict, dict): raise InvalidResponseError("Bad 'event' field in response") @@ -574,7 +585,7 @@ class FederationClient(FederationBase): ev = builder.EventBuilder(pdu_dict) defer.returnValue( - (destination, ev) + (destination, ev, event_format) ) return self._try_destination_list( diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index 37d29e7027..17eccaaea0 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -400,8 +400,14 @@ class FederationServer(FederationBase): origin_host, _ = parse_server_name(origin) yield self.check_server_matches_acl(origin_host, room_id) pdu = yield self.handler.on_make_leave_request(room_id, user_id) + + room_version = yield self.store.get_room_version(room_id) + time_now = self._clock.time_msec() - defer.returnValue({"event": pdu.get_pdu_json(time_now)}) + defer.returnValue({ + "event": pdu.get_pdu_json(time_now), + "room_version": room_version, + }) @defer.inlineCallbacks def on_send_leave_request(self, origin, content): diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index a3bb864bb2..d1ba1450e9 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1336,7 +1336,7 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks def _make_and_verify_event(self, target_hosts, room_id, user_id, membership, content={}, params=None): - origin, pdu = yield self.federation_client.make_membership_event( + origin, pdu, _ = yield self.federation_client.make_membership_event( target_hosts, room_id, user_id, From 4a8b7156795443f540d08217dce14aa4d3af3c53 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 23 Jan 2019 17:25:27 +0000 Subject: [PATCH 2/6] Newsfile --- changelog.d/4447.misc | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog.d/4447.misc diff --git a/changelog.d/4447.misc b/changelog.d/4447.misc new file mode 100644 index 0000000000..43f8963614 --- /dev/null +++ b/changelog.d/4447.misc @@ -0,0 +1 @@ +Add infrastructure to support different event formats From f431ff3fb82cb3da549f92d8aef704bbf58387b6 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 23 Jan 2019 20:21:33 +0000 Subject: [PATCH 3/6] Require event format version to parse or create events --- synapse/events/__init__.py | 24 ++++++++- synapse/events/builder.py | 51 +++++++++++++++++- synapse/federation/federation_base.py | 9 ++-- synapse/federation/federation_client.py | 64 +++++++++++++--------- synapse/federation/federation_server.py | 33 +++++++----- synapse/federation/transport/server.py | 4 +- synapse/handlers/federation.py | 72 +++++++++++++++---------- synapse/handlers/message.py | 10 +++- 8 files changed, 193 insertions(+), 74 deletions(-) diff --git a/synapse/events/__init__.py b/synapse/events/__init__.py index 01db729847..e74ea33a7c 100644 --- a/synapse/events/__init__.py +++ b/synapse/events/__init__.py @@ -18,7 +18,11 @@ from distutils.util import strtobool import six -from synapse.api.constants import KNOWN_ROOM_VERSIONS, EventFormatVersions +from synapse.api.constants import ( + KNOWN_EVENT_FORMAT_VERSIONS, + KNOWN_ROOM_VERSIONS, + EventFormatVersions, +) from synapse.util.caches import intern_dict from synapse.util.frozenutils import freeze @@ -254,3 +258,21 @@ def room_version_to_event_format(room_version): raise return EventFormatVersions.V1 + + +def event_type_from_format_version(format_version): + """Returns the python type to use to construct an Event object for the + given event format version. + + Args: + format_version (int): The event format version + + Returns: + type: A type that can be initialized as per the initializer of + `FrozenEvent` + """ + if format_version not in KNOWN_EVENT_FORMAT_VERSIONS: + raise Exception( + "No event format %r" % (format_version,) + ) + return FrozenEvent diff --git a/synapse/events/builder.py b/synapse/events/builder.py index e662eaef10..7e63371095 100644 --- a/synapse/events/builder.py +++ b/synapse/events/builder.py @@ -15,12 +15,39 @@ import copy +from synapse.api.constants import RoomVersions from synapse.types import EventID from synapse.util.stringutils import random_string from . import EventBase, FrozenEvent, _event_dict_property +def get_event_builder(room_version, key_values={}, internal_metadata_dict={}): + """Generate an event builder appropriate for the given room version + + Args: + room_version (str): Version of the room that we're creating an + event builder for + key_values (dict): Fields used as the basis of the new event + internal_metadata_dict (dict): Used to create the `_EventInternalMetadata` + object. + + Returns: + EventBuilder + """ + if room_version in { + RoomVersions.V1, + RoomVersions.V2, + RoomVersions.VDH_TEST, + RoomVersions.STATE_V2_TEST, + }: + return EventBuilder(key_values, internal_metadata_dict) + else: + raise Exception( + "No event format defined for version %r" % (room_version,) + ) + + class EventBuilder(EventBase): def __init__(self, key_values={}, internal_metadata_dict={}): signatures = copy.deepcopy(key_values.pop("signatures", {})) @@ -58,7 +85,29 @@ class EventBuilderFactory(object): return e_id.to_string() - def new(self, key_values={}): + def new(self, room_version, key_values={}): + """Generate an event builder appropriate for the given room version + + Args: + room_version (str): Version of the room that we're creating an + event builder for + key_values (dict): Fields used as the basis of the new event + + Returns: + EventBuilder + """ + + # There's currently only the one event version defined + if room_version not in { + RoomVersions.V1, + RoomVersions.V2, + RoomVersions.VDH_TEST, + RoomVersions.STATE_V2_TEST, + }: + raise Exception( + "No event format defined for version %r" % (room_version,) + ) + key_values["event_id"] = self.create_event_id() time_now = int(self.clock.time_msec()) diff --git a/synapse/federation/federation_base.py b/synapse/federation/federation_base.py index d749bfdd3a..5c31e5f85f 100644 --- a/synapse/federation/federation_base.py +++ b/synapse/federation/federation_base.py @@ -23,7 +23,7 @@ from twisted.internet.defer import DeferredList from synapse.api.constants import MAX_DEPTH, EventTypes, Membership from synapse.api.errors import Codes, SynapseError from synapse.crypto.event_signing import check_event_content_hash -from synapse.events import FrozenEvent +from synapse.events import event_type_from_format_version from synapse.events.utils import prune_event from synapse.http.servlet import assert_params_in_dict from synapse.types import get_domain_from_id @@ -302,11 +302,12 @@ def _is_invite_via_3pid(event): ) -def event_from_pdu_json(pdu_json, outlier=False): +def event_from_pdu_json(pdu_json, event_format_version, outlier=False): """Construct a FrozenEvent from an event json received over federation Args: pdu_json (object): pdu as received over federation + event_format_version (int): The event format version outlier (bool): True to mark this event as an outlier Returns: @@ -330,8 +331,8 @@ def event_from_pdu_json(pdu_json, outlier=False): elif depth > MAX_DEPTH: raise SynapseError(400, "Depth too large", Codes.BAD_JSON) - event = FrozenEvent( - pdu_json + event = event_type_from_format_version(event_format_version)( + pdu_json, ) event.internal_metadata.outlier = outlier diff --git a/synapse/federation/federation_client.py b/synapse/federation/federation_client.py index 9ba3e1c42f..5bfdbe8126 100644 --- a/synapse/federation/federation_client.py +++ b/synapse/federation/federation_client.py @@ -37,8 +37,8 @@ from synapse.api.errors import ( HttpResponseException, SynapseError, ) -from synapse.events import room_version_to_event_format from synapse.crypto.event_signing import add_hashes_and_signatures +from synapse.events import room_version_to_event_format from synapse.federation.federation_base import FederationBase, event_from_pdu_json from synapse.util import logcontext, unwrapFirstError from synapse.util.caches.expiringcache import ExpiringCache @@ -170,13 +170,13 @@ class FederationClient(FederationBase): @defer.inlineCallbacks @log_function - def backfill(self, dest, context, limit, extremities): + def backfill(self, dest, room_id, limit, extremities): """Requests some more historic PDUs for the given context from the given destination server. Args: dest (str): The remote home server to ask. - context (str): The context to backfill. + room_id (str): The room_id to backfill. limit (int): The maximum number of PDUs to return. extremities (list): List of PDU id and origins of the first pdus we have seen from the context @@ -191,12 +191,15 @@ class FederationClient(FederationBase): return transaction_data = yield self.transport_layer.backfill( - dest, context, extremities, limit) + dest, room_id, extremities, limit) logger.debug("backfill transaction_data=%s", repr(transaction_data)) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + pdus = [ - event_from_pdu_json(p, outlier=False) + event_from_pdu_json(p, format_ver, outlier=False) for p in transaction_data["pdus"] ] @@ -240,6 +243,8 @@ class FederationClient(FederationBase): pdu_attempts = self.pdu_destination_tried.setdefault(event_id, {}) + format_ver = room_version_to_event_format(room_version) + signed_pdu = None for destination in destinations: now = self._clock.time_msec() @@ -255,7 +260,7 @@ class FederationClient(FederationBase): logger.debug("transaction_data %r", transaction_data) pdu_list = [ - event_from_pdu_json(p, outlier=outlier) + event_from_pdu_json(p, format_ver, outlier=outlier) for p in transaction_data["pdus"] ] @@ -349,12 +354,16 @@ class FederationClient(FederationBase): destination, room_id, event_id=event_id, ) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + pdus = [ - event_from_pdu_json(p, outlier=True) for p in result["pdus"] + event_from_pdu_json(p, format_ver, outlier=True) + for p in result["pdus"] ] auth_chain = [ - event_from_pdu_json(p, outlier=True) + event_from_pdu_json(p, format_ver, outlier=True) for p in result.get("auth_chain", []) ] @@ -362,8 +371,6 @@ class FederationClient(FederationBase): ev.event_id for ev in itertools.chain(pdus, auth_chain) ]) - room_version = yield self.store.get_room_version(room_id) - signed_pdus = yield self._check_sigs_and_hash_and_fetch( destination, [p for p in pdus if p.event_id not in seen_events], @@ -462,13 +469,14 @@ class FederationClient(FederationBase): destination, room_id, event_id, ) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + auth_chain = [ - event_from_pdu_json(p, outlier=True) + event_from_pdu_json(p, format_ver, outlier=True) for p in res["auth_chain"] ] - room_version = yield self.store.get_room_version(room_id) - signed_auth = yield self._check_sigs_and_hash_and_fetch( destination, auth_chain, outlier=True, room_version=room_version, @@ -556,7 +564,7 @@ class FederationClient(FederationBase): params (dict[str, str|Iterable[str]]): Query parameters to include in the request. Return: - Deferred[tuple[str, dict, int]]: resolves to a tuple of + Deferred[tuple[str, FrozenEvent, int]]: resolves to a tuple of `(origin, event, event_format)` where origin is the remote homeserver which generated the event. @@ -602,7 +610,7 @@ class FederationClient(FederationBase): pdu_dict.pop("origin_server_ts", None) pdu_dict.pop("unsigned", None) - builder = self.event_builder_factory.new(pdu_dict) + builder = self.event_builder_factory.new(room_version, pdu_dict) add_hashes_and_signatures( builder, self.hs.hostname, @@ -618,7 +626,7 @@ class FederationClient(FederationBase): "make_" + membership, destinations, send_request, ) - def send_join(self, destinations, pdu): + def send_join(self, destinations, pdu, event_format_version): """Sends a join event to one of a list of homeservers. Doing so will cause the remote server to add the event to the graph, @@ -628,6 +636,7 @@ class FederationClient(FederationBase): destinations (str): Candidate homeservers which are probably participating in the room. pdu (BaseEvent): event to be sent + event_format_version (int): The event format version Return: Deferred: resolves to a dict with members ``origin`` (a string @@ -673,12 +682,12 @@ class FederationClient(FederationBase): logger.debug("Got content: %s", content) state = [ - event_from_pdu_json(p, outlier=True) + event_from_pdu_json(p, event_format_version, outlier=True) for p in content.get("state", []) ] auth_chain = [ - event_from_pdu_json(p, outlier=True) + event_from_pdu_json(p, event_format_version, outlier=True) for p in content.get("auth_chain", []) ] @@ -755,7 +764,10 @@ class FederationClient(FederationBase): logger.debug("Got response to send_invite: %s", pdu_dict) - pdu = event_from_pdu_json(pdu_dict) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + + pdu = event_from_pdu_json(pdu_dict, format_ver) # Check signatures are correct. pdu = yield self._check_sigs_and_hash(pdu) @@ -833,13 +845,14 @@ class FederationClient(FederationBase): content=send_content, ) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + auth_chain = [ - event_from_pdu_json(e) + event_from_pdu_json(e, format_ver) for e in content["auth_chain"] ] - room_version = yield self.store.get_room_version(room_id) - signed_auth = yield self._check_sigs_and_hash_and_fetch( destination, auth_chain, outlier=True, room_version=room_version, ) @@ -883,13 +896,14 @@ class FederationClient(FederationBase): timeout=timeout, ) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + events = [ - event_from_pdu_json(e) + event_from_pdu_json(e, format_ver) for e in content.get("events", []) ] - room_version = yield self.store.get_room_version(room_id) - signed_events = yield self._check_sigs_and_hash_and_fetch( destination, events, outlier=False, room_version=room_version, ) diff --git a/synapse/federation/federation_server.py b/synapse/federation/federation_server.py index dde166e295..4aa04b9588 100644 --- a/synapse/federation/federation_server.py +++ b/synapse/federation/federation_server.py @@ -34,6 +34,7 @@ from synapse.api.errors import ( SynapseError, ) from synapse.crypto.event_signing import compute_event_signature +from synapse.events import room_version_to_event_format from synapse.federation.federation_base import FederationBase, event_from_pdu_json from synapse.federation.persistence import TransactionActions from synapse.federation.units import Edu, Transaction @@ -178,14 +179,13 @@ class FederationServer(FederationBase): continue try: - # In future we will actually use the room version to parse the - # PDU into an event. - yield self.store.get_room_version(room_id) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) except NotFoundError: logger.info("Ignoring PDU for unknown room_id: %s", room_id) continue - event = event_from_pdu_json(p) + event = event_from_pdu_json(p, format_ver) pdus_by_room.setdefault(room_id, []).append(event) pdu_results = {} @@ -370,7 +370,9 @@ class FederationServer(FederationBase): @defer.inlineCallbacks def on_invite_request(self, origin, content, room_version): - pdu = event_from_pdu_json(content) + format_ver = room_version_to_event_format(room_version) + + pdu = event_from_pdu_json(content, format_ver) origin_host, _ = parse_server_name(origin) yield self.check_server_matches_acl(origin_host, pdu.room_id) ret_pdu = yield self.handler.on_invite_request(origin, pdu) @@ -378,9 +380,12 @@ class FederationServer(FederationBase): defer.returnValue({"event": ret_pdu.get_pdu_json(time_now)}) @defer.inlineCallbacks - def on_send_join_request(self, origin, content): + def on_send_join_request(self, origin, content, room_id): logger.debug("on_send_join_request: content: %s", content) - pdu = event_from_pdu_json(content) + + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + pdu = event_from_pdu_json(content, format_ver) origin_host, _ = parse_server_name(origin) yield self.check_server_matches_acl(origin_host, pdu.room_id) @@ -410,9 +415,12 @@ class FederationServer(FederationBase): }) @defer.inlineCallbacks - def on_send_leave_request(self, origin, content): + def on_send_leave_request(self, origin, content, room_id): logger.debug("on_send_leave_request: content: %s", content) - pdu = event_from_pdu_json(content) + + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + pdu = event_from_pdu_json(content, format_ver) origin_host, _ = parse_server_name(origin) yield self.check_server_matches_acl(origin_host, pdu.room_id) @@ -458,13 +466,14 @@ class FederationServer(FederationBase): origin_host, _ = parse_server_name(origin) yield self.check_server_matches_acl(origin_host, room_id) + room_version = yield self.store.get_room_version(room_id) + format_ver = room_version_to_event_format(room_version) + auth_chain = [ - event_from_pdu_json(e) + event_from_pdu_json(e, format_ver) for e in content["auth_chain"] ] - room_version = yield self.store.get_room_version(room_id) - signed_auth = yield self._check_sigs_and_hash_and_fetch( origin, auth_chain, outlier=True, room_version=room_version, ) diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index 4557a9e66e..67ae0212c3 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -469,7 +469,7 @@ class FederationSendLeaveServlet(BaseFederationServlet): @defer.inlineCallbacks def on_PUT(self, origin, content, query, room_id, event_id): - content = yield self.handler.on_send_leave_request(origin, content) + content = yield self.handler.on_send_leave_request(origin, content, room_id) defer.returnValue((200, content)) @@ -487,7 +487,7 @@ class FederationSendJoinServlet(BaseFederationServlet): def on_PUT(self, origin, content, query, context, event_id): # TODO(paul): assert that context/event_id parsed from path actually # match those given in content - content = yield self.handler.on_send_join_request(origin, content) + content = yield self.handler.on_send_join_request(origin, content, context) defer.returnValue((200, content)) diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index d4d945030e..1d1d058db2 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1061,7 +1061,7 @@ class FederationHandler(BaseHandler): """ logger.debug("Joining %s to %s", joinee, room_id) - origin, event = yield self._make_and_verify_event( + origin, event, event_format_version = yield self._make_and_verify_event( target_hosts, room_id, joinee, @@ -1093,7 +1093,9 @@ class FederationHandler(BaseHandler): target_hosts.insert(0, origin) except ValueError: pass - ret = yield self.federation_client.send_join(target_hosts, event) + ret = yield self.federation_client.send_join( + target_hosts, event, event_format_version, + ) origin = ret["origin"] state = ret["state"] @@ -1166,13 +1168,18 @@ class FederationHandler(BaseHandler): """ event_content = {"membership": Membership.JOIN} - builder = self.event_builder_factory.new({ - "type": EventTypes.Member, - "content": event_content, - "room_id": room_id, - "sender": user_id, - "state_key": user_id, - }) + room_version = yield self.store.get_room_version(room_id) + + builder = self.event_builder_factory.new( + room_version, + { + "type": EventTypes.Member, + "content": event_content, + "room_id": room_id, + "sender": user_id, + "state_key": user_id, + } + ) try: event, context = yield self.event_creation_handler.create_new_client_event( @@ -1306,7 +1313,7 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks def do_remotely_reject_invite(self, target_hosts, room_id, user_id): - origin, event = yield self._make_and_verify_event( + origin, event, event_format_version = yield self._make_and_verify_event( target_hosts, room_id, user_id, @@ -1338,7 +1345,7 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks def _make_and_verify_event(self, target_hosts, room_id, user_id, membership, content={}, params=None): - origin, pdu, _ = yield self.federation_client.make_membership_event( + origin, event, format_ver = yield self.federation_client.make_membership_event( target_hosts, room_id, user_id, @@ -1347,9 +1354,7 @@ class FederationHandler(BaseHandler): params=params, ) - logger.debug("Got response to make_%s: %s", membership, pdu) - - event = pdu + logger.debug("Got response to make_%s: %s", membership, event) # We should assert some things. # FIXME: Do this in a nicer way @@ -1357,7 +1362,7 @@ class FederationHandler(BaseHandler): assert(event.user_id == user_id) assert(event.state_key == user_id) assert(event.room_id == room_id) - defer.returnValue((origin, event)) + defer.returnValue((origin, event, format_ver)) @defer.inlineCallbacks @log_function @@ -1366,13 +1371,17 @@ class FederationHandler(BaseHandler): leave event for the room and return that. We do *not* persist or process it until the other server has signed it and sent it back. """ - builder = self.event_builder_factory.new({ - "type": EventTypes.Member, - "content": {"membership": Membership.LEAVE}, - "room_id": room_id, - "sender": user_id, - "state_key": user_id, - }) + room_version = yield self.store.get_room_version(room_id) + builder = self.event_builder_factory.new( + room_version, + { + "type": EventTypes.Member, + "content": {"membership": Membership.LEAVE}, + "room_id": room_id, + "sender": user_id, + "state_key": user_id, + } + ) event, context = yield self.event_creation_handler.create_new_client_event( builder=builder, @@ -2263,14 +2272,16 @@ class FederationHandler(BaseHandler): } if (yield self.auth.check_host_in_room(room_id, self.hs.hostname)): - builder = self.event_builder_factory.new(event_dict) + room_version = yield self.store.get_room_version(room_id) + builder = self.event_builder_factory.new(room_version, event_dict) + EventValidator().validate_new(builder) event, context = yield self.event_creation_handler.create_new_client_event( builder=builder ) event, context = yield self.add_display_name_to_third_party_invite( - event_dict, event, context + room_version, event_dict, event, context ) try: @@ -2301,14 +2312,18 @@ class FederationHandler(BaseHandler): Returns: Deferred: resolves (to None) """ - builder = self.event_builder_factory.new(event_dict) + room_version = yield self.store.get_room_version(room_id) + + # NB: event_dict has a particular specced format we might need to fudge + # if we change event formats too much. + builder = self.event_builder_factory.new(room_version, event_dict) event, context = yield self.event_creation_handler.create_new_client_event( builder=builder, ) event, context = yield self.add_display_name_to_third_party_invite( - event_dict, event, context + room_version, event_dict, event, context ) try: @@ -2328,7 +2343,8 @@ class FederationHandler(BaseHandler): yield member_handler.send_membership_event(None, event, context) @defer.inlineCallbacks - def add_display_name_to_third_party_invite(self, event_dict, event, context): + def add_display_name_to_third_party_invite(self, room_version, event_dict, + event, context): key = ( EventTypes.ThirdPartyInvite, event.content["third_party_invite"]["signed"]["token"] @@ -2352,7 +2368,7 @@ class FederationHandler(BaseHandler): # auth checks. If we need the invite and don't have it then the # auth check code will explode appropriately. - builder = self.event_builder_factory.new(event_dict) + builder = self.event_builder_factory.new(room_version, event_dict) EventValidator().validate_new(builder) event, context = yield self.event_creation_handler.create_new_client_event( builder=builder, diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index a7cd779b02..7aaa4fba33 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -278,7 +278,15 @@ class EventCreationHandler(object): """ yield self.auth.check_auth_blocking(requester.user.to_string()) - builder = self.event_builder_factory.new(event_dict) + if event_dict["type"] == EventTypes.Create and event_dict["state_key"] == "": + room_version = event_dict["content"]["room_version"] + else: + try: + room_version = yield self.store.get_room_version(event_dict["room_id"]) + except NotFoundError: + raise AuthError(403, "Unknown room") + + builder = self.event_builder_factory.new(room_version, event_dict) self.validator.validate_new(builder) From 073173277cc249163cd4df2872abf928cf3cc5c7 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Wed, 23 Jan 2019 20:27:31 +0000 Subject: [PATCH 4/6] Newsfile --- changelog.d/4451.misc | 1 + 1 file changed, 1 insertion(+) create mode 100644 changelog.d/4451.misc diff --git a/changelog.d/4451.misc b/changelog.d/4451.misc new file mode 100644 index 0000000000..43f8963614 --- /dev/null +++ b/changelog.d/4451.misc @@ -0,0 +1 @@ +Add infrastructure to support different event formats From e79ba9eb34697cb6205c50282882b294c0acafa7 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 24 Jan 2019 09:28:16 +0000 Subject: [PATCH 5/6] Fix tests --- tests/storage/test_redaction.py | 5 ++++- tests/storage/test_roommember.py | 3 ++- tests/storage/test_state.py | 3 ++- tests/test_visibility.py | 4 ++++ tests/utils.py | 3 ++- 5 files changed, 14 insertions(+), 4 deletions(-) diff --git a/tests/storage/test_redaction.py b/tests/storage/test_redaction.py index 02bf975fbf..3957561b1e 100644 --- a/tests/storage/test_redaction.py +++ b/tests/storage/test_redaction.py @@ -18,7 +18,7 @@ from mock import Mock from twisted.internet import defer -from synapse.api.constants import EventTypes, Membership +from synapse.api.constants import EventTypes, Membership, RoomVersions from synapse.types import RoomID, UserID from tests import unittest @@ -52,6 +52,7 @@ class RedactionTestCase(unittest.TestCase): content = {"membership": membership} content.update(extra_content) builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": EventTypes.Member, "sender": user.to_string(), @@ -74,6 +75,7 @@ class RedactionTestCase(unittest.TestCase): self.depth += 1 builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": EventTypes.Message, "sender": user.to_string(), @@ -94,6 +96,7 @@ class RedactionTestCase(unittest.TestCase): @defer.inlineCallbacks def inject_redaction(self, room, event_id, user, reason): builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": EventTypes.Redaction, "sender": user.to_string(), diff --git a/tests/storage/test_roommember.py b/tests/storage/test_roommember.py index 978c66133d..7fa2f4fd70 100644 --- a/tests/storage/test_roommember.py +++ b/tests/storage/test_roommember.py @@ -18,7 +18,7 @@ from mock import Mock from twisted.internet import defer -from synapse.api.constants import EventTypes, Membership +from synapse.api.constants import EventTypes, Membership, RoomVersions from synapse.types import RoomID, UserID from tests import unittest @@ -50,6 +50,7 @@ class RoomMemberStoreTestCase(unittest.TestCase): @defer.inlineCallbacks def inject_room_member(self, room, user, membership, replaces_state=None): builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": EventTypes.Member, "sender": user.to_string(), diff --git a/tests/storage/test_state.py b/tests/storage/test_state.py index 086a39d834..a1f99134dc 100644 --- a/tests/storage/test_state.py +++ b/tests/storage/test_state.py @@ -17,7 +17,7 @@ import logging from twisted.internet import defer -from synapse.api.constants import EventTypes, Membership +from synapse.api.constants import EventTypes, Membership, RoomVersions from synapse.storage.state import StateFilter from synapse.types import RoomID, UserID @@ -52,6 +52,7 @@ class StateStoreTestCase(tests.unittest.TestCase): @defer.inlineCallbacks def inject_state_event(self, room, sender, typ, state_key, content): builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": typ, "sender": sender.to_string(), diff --git a/tests/test_visibility.py b/tests/test_visibility.py index 2eea3b098b..82d63ce00e 100644 --- a/tests/test_visibility.py +++ b/tests/test_visibility.py @@ -17,6 +17,7 @@ import logging from twisted.internet import defer from twisted.internet.defer import succeed +from synapse.api.constants import RoomVersions from synapse.events import FrozenEvent from synapse.visibility import filter_events_for_server @@ -124,6 +125,7 @@ class FilterEventsForServerTestCase(tests.unittest.TestCase): def inject_visibility(self, user_id, visibility): content = {"history_visibility": visibility} builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": "m.room.history_visibility", "sender": user_id, @@ -144,6 +146,7 @@ class FilterEventsForServerTestCase(tests.unittest.TestCase): content = {"membership": membership} content.update(extra_content) builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": "m.room.member", "sender": user_id, @@ -165,6 +168,7 @@ class FilterEventsForServerTestCase(tests.unittest.TestCase): if content is None: content = {"body": "testytest"} builder = self.event_builder_factory.new( + RoomVersions.V1, { "type": "m.room.message", "sender": user_id, diff --git a/tests/utils.py b/tests/utils.py index 08d6faa0a6..1aa8f98094 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -26,7 +26,7 @@ from six.moves.urllib import parse as urlparse from twisted.internet import defer, reactor -from synapse.api.constants import EventTypes +from synapse.api.constants import EventTypes, RoomVersions from synapse.api.errors import CodeMessageException, cs_error from synapse.config.server import ServerConfig from synapse.federation.transport import server @@ -622,6 +622,7 @@ def create_room(hs, room_id, creator_id): event_creation_handler = hs.get_event_creation_handler() builder = event_builder_factory.new( + RoomVersions.V1, { "type": EventTypes.Create, "state_key": "", From e8c9f1539716b9593de837343da5dc4fa9bc10b0 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 24 Jan 2019 11:14:07 +0000 Subject: [PATCH 6/6] Replace missed usages of FrozenEvent --- synapse/replication/http/federation.py | 8 ++++++-- synapse/replication/http/send_event.py | 8 ++++++-- synapse/storage/events_worker.py | 8 ++------ 3 files changed, 14 insertions(+), 10 deletions(-) diff --git a/synapse/replication/http/federation.py b/synapse/replication/http/federation.py index 64a79da162..2e16c69666 100644 --- a/synapse/replication/http/federation.py +++ b/synapse/replication/http/federation.py @@ -17,7 +17,7 @@ import logging from twisted.internet import defer -from synapse.events import FrozenEvent +from synapse.events import event_type_from_format_version from synapse.events.snapshot import EventContext from synapse.http.servlet import parse_json_object_from_request from synapse.replication.http._base import ReplicationEndpoint @@ -70,6 +70,7 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint): event_payloads.append({ "event": event.get_pdu_json(), + "event_format_version": event.format_version, "internal_metadata": event.internal_metadata.get_dict(), "rejected_reason": event.rejected_reason, "context": serialized_context, @@ -94,9 +95,12 @@ class ReplicationFederationSendEventsRestServlet(ReplicationEndpoint): event_and_contexts = [] for event_payload in event_payloads: event_dict = event_payload["event"] + format_ver = content["event_format_version"] internal_metadata = event_payload["internal_metadata"] rejected_reason = event_payload["rejected_reason"] - event = FrozenEvent(event_dict, internal_metadata, rejected_reason) + + EventType = event_type_from_format_version(format_ver) + event = EventType(event_dict, internal_metadata, rejected_reason) context = yield EventContext.deserialize( self.store, event_payload["context"], diff --git a/synapse/replication/http/send_event.py b/synapse/replication/http/send_event.py index 5b52c91650..3635015eda 100644 --- a/synapse/replication/http/send_event.py +++ b/synapse/replication/http/send_event.py @@ -17,7 +17,7 @@ import logging from twisted.internet import defer -from synapse.events import FrozenEvent +from synapse.events import event_type_from_format_version from synapse.events.snapshot import EventContext from synapse.http.servlet import parse_json_object_from_request from synapse.replication.http._base import ReplicationEndpoint @@ -74,6 +74,7 @@ class ReplicationSendEventRestServlet(ReplicationEndpoint): payload = { "event": event.get_pdu_json(), + "event_format_version": event.format_version, "internal_metadata": event.internal_metadata.get_dict(), "rejected_reason": event.rejected_reason, "context": serialized_context, @@ -90,9 +91,12 @@ class ReplicationSendEventRestServlet(ReplicationEndpoint): content = parse_json_object_from_request(request) event_dict = content["event"] + format_ver = content["event_format_version"] internal_metadata = content["internal_metadata"] rejected_reason = content["rejected_reason"] - event = FrozenEvent(event_dict, internal_metadata, rejected_reason) + + EventType = event_type_from_format_version(format_ver) + event = EventType(event_dict, internal_metadata, rejected_reason) requester = Requester.deserialize(self.store, content["requester"]) context = yield EventContext.deserialize(self.store, content["context"]) diff --git a/synapse/storage/events_worker.py b/synapse/storage/events_worker.py index 599f892858..0a0ca58fc4 100644 --- a/synapse/storage/events_worker.py +++ b/synapse/storage/events_worker.py @@ -23,7 +23,7 @@ from twisted.internet import defer from synapse.api.constants import EventFormatVersions from synapse.api.errors import NotFoundError -from synapse.events import FrozenEvent +from synapse.events import FrozenEvent, event_type_from_format_version # noqa: F401 # these are only included to make the type annotations work from synapse.events.snapshot import EventContext # noqa: F401 from synapse.events.utils import prune_event @@ -412,11 +412,7 @@ class EventsWorkerStore(SQLBaseStore): # of a event format version, so it must be a V1 event. format_version = EventFormatVersions.V1 - # TODO: When we implement new event formats we'll need to use a - # different event python type - assert format_version == EventFormatVersions.V1 - - original_ev = FrozenEvent( + original_ev = event_type_from_format_version(format_version)( event_dict=d, internal_metadata_dict=internal_metadata, rejected_reason=rejected_reason,