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make flushing room key shares reentrant

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as it can be called from Room.start while still running.
This commit is contained in:
Bruno Windels 2020-09-25 10:45:00 +02:00
parent bcca23bac9
commit 134b04c782
1 changed files with 26 additions and 16 deletions
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10
src/matrix/e2ee/RoomEncryption.js
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@ -54,6 +54,7 @@ export class RoomEncryption {
this._notifyMissingMegolmSession = notifyMissingMegolmSession; this._notifyMissingMegolmSession = notifyMissingMegolmSession;
this._clock = clock; this._clock = clock;
this._disposed = false; this._disposed = false;
this._isFlushingRoomKeyShares = false;
} }
async enableSessionBackup(sessionBackup) { async enableSessionBackup(sessionBackup) {
@ -321,6 +322,12 @@ export class RoomEncryption {
} }
async flushPendingRoomKeyShares(hsApi, operations = null) { async flushPendingRoomKeyShares(hsApi, operations = null) {
// this has to be reentrant as it can be called from Room.start while still running
if (this._isFlushingRoomKeyShares) {
return;
}
this._isFlushingRoomKeyShares = true;
try {
if (!operations) { if (!operations) {
const txn = await this._storage.readTxn([this._storage.storeNames.operations]); const txn = await this._storage.readTxn([this._storage.storeNames.operations]);
operations = await txn.operations.getAllByTypeAndScope("share_room_key", this._room.id); operations = await txn.operations.getAllByTypeAndScope("share_room_key", this._room.id);
@ -341,6 +348,9 @@ export class RoomEncryption {
} }
await removeTxn.complete(); await removeTxn.complete();
} }
} finally {
this._isFlushingRoomKeyShares = false;
}
} }
async _sendRoomKey(roomKeyMessage, devices, hsApi) { async _sendRoomKey(roomKeyMessage, devices, hsApi) {