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Merge branch 'develop' of github.com:matrix-org/synapse into erikj/msc_1813

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This commit is contained in:
Erik Johnston 2019-01-25 09:57:01 +00:00
commit 62514bb81b
63 changed files with 1455 additions and 1021 deletions
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62
synapse/federation/federation_client.py
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@ -37,7 +37,8 @@ from synapse.api.errors import (
HttpResponseException,
SynapseError,
)
from synapse.events import builder, 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
@ -71,6 +72,8 @@ class FederationClient(FederationBase):
self.state = hs.get_state_handler()
self.transport_layer = hs.get_federation_transport_client()
self.event_builder_factory = hs.get_event_builder_factory()
self._get_pdu_cache = ExpiringCache(
cache_name="get_pdu_cache",
clock=self._clock,
@ -207,7 +210,8 @@ class FederationClient(FederationBase):
@defer.inlineCallbacks
@log_function
def get_pdu(self, destinations, event_id, outlier=False, timeout=None):
def get_pdu(self, destinations, event_id, room_version, outlier=False,
timeout=None):
"""Requests the PDU with given origin and ID from the remote home
servers.
@ -217,6 +221,7 @@ class FederationClient(FederationBase):
Args:
destinations (list): Which home servers to query
event_id (str): event to fetch
room_version (str): version of the room
outlier (bool): Indicates whether the PDU is an `outlier`, i.e. if
it's from an arbitary point in the context as opposed to part
of the current block of PDUs. Defaults to `False`
@ -357,10 +362,13 @@ 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],
outlier=True
outlier=True,
room_version=room_version,
)
signed_pdus.extend(
seen_events[p.event_id] for p in pdus if p.event_id in seen_events
@ -369,7 +377,8 @@ class FederationClient(FederationBase):
signed_auth = yield self._check_sigs_and_hash_and_fetch(
destination,
[p for p in auth_chain if p.event_id not in seen_events],
outlier=True
outlier=True,
room_version=room_version,
)
signed_auth.extend(
seen_events[p.event_id] for p in auth_chain if p.event_id in seen_events
@ -416,6 +425,8 @@ class FederationClient(FederationBase):
random.shuffle(srvs)
return srvs
room_version = yield self.store.get_room_version(room_id)
batch_size = 20
missing_events = list(missing_events)
for i in range(0, len(missing_events), batch_size):
@ -426,6 +437,7 @@ class FederationClient(FederationBase):
self.get_pdu,
destinations=random_server_list(),
event_id=e_id,
room_version=room_version,
)
for e_id in batch
]
@ -455,8 +467,11 @@ class FederationClient(FederationBase):
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
destination, auth_chain,
outlier=True, room_version=room_version,
)
signed_auth.sort(key=lambda e: e.depth)
@ -527,6 +542,8 @@ class FederationClient(FederationBase):
Does so by asking one of the already participating servers to create an
event with proper context.
Returns a fully signed and hashed event.
Note that this does not append any events to any graphs.
Args:
@ -541,7 +558,7 @@ 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, and event_format is one of
`synapse.api.constants.EventFormatVersions`.
@ -583,7 +600,18 @@ class FederationClient(FederationBase):
if "prev_state" not in pdu_dict:
pdu_dict["prev_state"] = []
ev = builder.EventBuilder(pdu_dict)
# Strip off the fields that we want to clobber.
pdu_dict.pop("origin", None)
pdu_dict.pop("origin_server_ts", None)
pdu_dict.pop("unsigned", None)
builder = self.event_builder_factory.new(pdu_dict)
add_hashes_and_signatures(
builder,
self.hs.hostname,
self.hs.config.signing_key[0]
)
ev = builder.build()
defer.returnValue(
(destination, ev, event_format)
@ -662,9 +690,21 @@ class FederationClient(FederationBase):
for p in itertools.chain(state, auth_chain)
}
room_version = None
for e in state:
if (e.type, e.state_key) == (EventTypes.Create, ""):
room_version = e.content.get("room_version", RoomVersions.V1)
break
if room_version is None:
# If the state doesn't have a create event then the room is
# invalid, and it would fail auth checks anyway.
raise SynapseError(400, "No create event in state")
valid_pdus = yield self._check_sigs_and_hash_and_fetch(
destination, list(pdus.values()),
outlier=True,
room_version=room_version,
)
valid_pdus_map = {
@ -802,8 +842,10 @@ class FederationClient(FederationBase):
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
destination, auth_chain, outlier=True, room_version=room_version,
)
signed_auth.sort(key=lambda e: e.depth)
@ -850,8 +892,10 @@ class FederationClient(FederationBase):
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
destination, events, outlier=False, room_version=room_version,
)
except HttpResponseException as e:
if not e.code == 400: