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Refactor event building into EventBuilder

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This is so that everything is done in one place, making it easier to
change the event format based on room version
This commit is contained in:
Erik Johnston 2019-01-25 17:19:31 +00:00
parent 554ca58ea1
commit be47cfa9c9
5 changed files with 257 additions and 115 deletions
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20
synapse/federation/federation_client.py
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@ -37,8 +37,7 @@ from synapse.api.errors import (
HttpResponseException,
SynapseError,
)
from synapse.crypto.event_signing import add_hashes_and_signatures
from synapse.events import room_version_to_event_format
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
@ -72,7 +71,8 @@ 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.hostname = hs.hostname
self.signing_key = hs.config.signing_key[0]
self._get_pdu_cache = ExpiringCache(
cache_name="get_pdu_cache",
@ -608,18 +608,10 @@ class FederationClient(FederationBase):
if "prev_state" not in pdu_dict:
pdu_dict["prev_state"] = []
# 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(room_version, pdu_dict)
add_hashes_and_signatures(
builder,
self.hs.hostname,
self.hs.config.signing_key[0]
ev = builder.create_local_event_from_event_dict(
self._clock, self.hostname, self.signing_key,
format_version=event_format, event_dict=pdu_dict,
)
ev = builder.build()
defer.returnValue(
(destination, ev, event_format)