72 lines
3.2 KiB
JavaScript
72 lines
3.2 KiB
JavaScript
|
import _objectSpread from "@babel/runtime/helpers/objectSpread2";
|
||
|
|
/*
|
||
|
|
Copyright 2021 The Matrix.org Foundation C.I.C.
|
||
|
|
|
||
|
|
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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
import { MatrixEvent, MatrixEventEvent } from "./models/event.js";
|
||
|
|
import { RelationType } from "./@types/event.js";
|
||
|
|
export function eventMapperFor(client, options) {
|
||
|
|
let preventReEmit = Boolean(options.preventReEmit);
|
||
|
|
const decrypt = options.decrypt !== false;
|
||
|
|
function mapper(plainOldJsObject) {
|
||
|
|
const room = client.getRoom(plainOldJsObject.room_id);
|
||
|
|
let event;
|
||
|
|
// If the event is already known to the room, let's re-use the model rather than duplicating.
|
||
|
|
// We avoid doing this to state events as they may be forward or backwards looking which tweaks behaviour.
|
||
|
|
if (room && plainOldJsObject.state_key === undefined) {
|
||
|
|
event = room.findEventById(plainOldJsObject.event_id);
|
||
|
|
}
|
||
|
|
if (!event || event.status) {
|
||
|
|
event = new MatrixEvent(plainOldJsObject);
|
||
|
|
} else {
|
||
|
|
// merge the latest unsigned data from the server
|
||
|
|
event.setUnsigned(_objectSpread(_objectSpread({}, event.getUnsigned()), plainOldJsObject.unsigned));
|
||
|
|
// prevent doubling up re-emitters
|
||
|
|
preventReEmit = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// if there is a complete edit bundled alongside the event, perform the replacement.
|
||
|
|
// (prior to MSC3925, events were automatically replaced on the server-side. MSC3925 proposes that that doesn't
|
||
|
|
// happen automatically but the server does provide us with the whole content of the edit event.)
|
||
|
|
const bundledEdit = event.getServerAggregatedRelation(RelationType.Replace);
|
||
|
|
if (bundledEdit?.content) {
|
||
|
|
const replacement = mapper(bundledEdit);
|
||
|
|
// XXX: it's worth noting that the spec says we should only respect encrypted edits if, once decrypted, the
|
||
|
|
// replacement has a `m.new_content` property. The problem is that we haven't yet decrypted the replacement
|
||
|
|
// (it should be happening in the background), so we can't enforce this. Possibly we should for decryption
|
||
|
|
// to complete, but that sounds a bit racy. For now, we just assume it's ok.
|
||
|
|
event.makeReplaced(replacement);
|
||
|
|
}
|
||
|
|
const thread = room?.findThreadForEvent(event);
|
||
|
|
if (thread) {
|
||
|
|
event.setThread(thread);
|
||
|
|
}
|
||
|
|
if (event.isEncrypted()) {
|
||
|
|
if (!preventReEmit) {
|
||
|
|
client.reEmitter.reEmit(event, [MatrixEventEvent.Decrypted]);
|
||
|
|
}
|
||
|
|
if (decrypt) {
|
||
|
|
client.decryptEventIfNeeded(event);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!preventReEmit) {
|
||
|
|
client.reEmitter.reEmit(event, [MatrixEventEvent.Replaced, MatrixEventEvent.VisibilityChange]);
|
||
|
|
room?.reEmitter.reEmit(event, [MatrixEventEvent.BeforeRedaction]);
|
||
|
|
}
|
||
|
|
return event;
|
||
|
|
}
|
||
|
|
return mapper;
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=event-mapper.js.map
|