103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 matrix.org
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from .units import Pdu
|
|
|
|
import copy
|
|
|
|
|
|
def decode_event_id(event_id, server_name):
|
|
parts = event_id.split("@")
|
|
if len(parts) < 2:
|
|
return (event_id, server_name)
|
|
else:
|
|
return (parts[0], "".join(parts[1:]))
|
|
|
|
|
|
def encode_event_id(pdu_id, origin):
|
|
return "%s@%s" % (pdu_id, origin)
|
|
|
|
|
|
class PduCodec(object):
|
|
|
|
def __init__(self, hs):
|
|
self.server_name = hs.hostname
|
|
self.event_factory = hs.get_event_factory()
|
|
self.clock = hs.get_clock()
|
|
|
|
def event_from_pdu(self, pdu):
|
|
kwargs = {}
|
|
|
|
kwargs["event_id"] = encode_event_id(pdu.pdu_id, pdu.origin)
|
|
kwargs["room_id"] = pdu.context
|
|
kwargs["etype"] = pdu.pdu_type
|
|
kwargs["prev_events"] = [
|
|
encode_event_id(p[0], p[1]) for p in pdu.prev_pdus
|
|
]
|
|
|
|
if hasattr(pdu, "prev_state_id") and hasattr(pdu, "prev_state_origin"):
|
|
kwargs["prev_state"] = encode_event_id(
|
|
pdu.prev_state_id, pdu.prev_state_origin
|
|
)
|
|
|
|
kwargs.update({
|
|
k: v
|
|
for k, v in pdu.get_full_dict().items()
|
|
if k not in [
|
|
"pdu_id",
|
|
"context",
|
|
"pdu_type",
|
|
"prev_pdus",
|
|
"prev_state_id",
|
|
"prev_state_origin",
|
|
]
|
|
})
|
|
|
|
return self.event_factory.create_event(**kwargs)
|
|
|
|
def pdu_from_event(self, event):
|
|
d = event.get_full_dict()
|
|
|
|
d["pdu_id"], d["origin"] = decode_event_id(
|
|
event.event_id, self.server_name
|
|
)
|
|
d["context"] = event.room_id
|
|
d["pdu_type"] = event.type
|
|
|
|
if hasattr(event, "prev_events"):
|
|
d["prev_pdus"] = [
|
|
decode_event_id(e, self.server_name)
|
|
for e in event.prev_events
|
|
]
|
|
|
|
if hasattr(event, "prev_state"):
|
|
d["prev_state_id"], d["prev_state_origin"] = (
|
|
decode_event_id(event.prev_state, self.server_name)
|
|
)
|
|
|
|
if hasattr(event, "state_key"):
|
|
d["is_state"] = True
|
|
|
|
kwargs = copy.deepcopy(event.unrecognized_keys)
|
|
kwargs.update({
|
|
k: v for k, v in d.items()
|
|
if k not in ["event_id", "room_id", "type", "prev_events"]
|
|
})
|
|
|
|
if "ts" not in kwargs:
|
|
kwargs["ts"] = int(self.clock.time_msec())
|
|
|
|
return Pdu(**kwargs)
|