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add write method for when history visibility changes

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also returning added and removed user ids
This commit is contained in:
Bruno Windels 2022-07-22 17:49:26 +02:00
parent f6011f3f34
commit 17f42f523a
1 changed files with 24 additions and 6 deletions
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24
src/matrix/e2ee/DeviceTracker.js
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@ -16,6 +16,7 @@ limitations under the License.
import {verifyEd25519Signature, SIGNATURE_ALGORITHM} from "./common.js";
import {shouldShareKey} from "./common.js";
import {RoomMember} from "../room/members/RoomMember.js";
const TRACKING_STATUS_OUTDATED = 0;
const TRACKING_STATUS_UPTODATE = 1;
@ -142,12 +143,29 @@ export class DeviceTracker {
}
}
async _writeJoinedMembers(members, txn) {
async writeHistoryVisibility(room, historyVisibility, syncTxn, log) {
const added = [];
const removed = [];
if (room.isTrackingMembers && room.isEncrypted) {
await log.wrap("rewriting userIdentities", async log => {
// don't use room.loadMemberList here because we want to use the syncTxn to load the members
const memberDatas = await syncTxn.roomMembers.getAll(room.id);
const members = memberDatas.map(d => new RoomMember(d));
log.set("members", members.length);
await Promise.all(members.map(async member => {
if (member.membership === "join") {
await this._writeMember(member, txn);
if (shouldShareKey(member.membership, historyVisibility)) {
if (await this._addRoomToUserIdentity(member.roomId, member.userId, syncTxn)) {
added.push(member.userId);
}
} else {
if (await this._removeRoomFromUserIdentity(member.roomId, member.userId, syncTxn)) {
removed.push(member.userId);
}
}
}));
});
}
return {added, removed};
}
async _addRoomToUserIdentity(roomId, userId, txn) {