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Require event format version to parse or create events

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This commit is contained in:
Erik Johnston 2019-01-23 20:21:33 +00:00
parent 17898a5ba6
commit f431ff3fb8
8 changed files with 193 additions and 74 deletions
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64
synapse/federation/federation_client.py
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@ -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,
)