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keys from backup need to be imported with import_session, not create

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This commit is contained in:
Bruno Windels 2020-09-17 17:59:02 +02:00
parent 915925d6ee
commit 1b8e481559
1 changed files with 39 additions and 34 deletions
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25
src/matrix/e2ee/megolm/Decryption.js
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@ -138,11 +138,17 @@ export class Decryption {
return;
}
const session = new this._olm.InboundGroupSession();
try {
session.create(sessionKey);
const sessionEntry = await this._writeInboundSession(
roomId, senderKey, claimedEd25519Key, sessionId, sessionKey, txn);
session, roomId, senderKey, claimedEd25519Key, sessionId, txn);
if (sessionEntry) {
newSessions.push(sessionEntry);
}
} finally {
session.free();
}
}
// this will be passed to the Room in notifyRoomKeys
return newSessions;
@ -171,15 +177,17 @@ export class Decryption {
) {
return;
}
return await this._writeInboundSession(
roomId, senderKey, claimedEd25519Key, sessionId, sessionKey, txn);
}
async _writeInboundSession(roomId, senderKey, claimedEd25519Key, sessionId, sessionKey, txn) {
const session = new this._olm.InboundGroupSession();
try {
session.create(sessionKey);
session.import_session(sessionKey);
return await this._writeInboundSession(
session, roomId, senderKey, claimedEd25519Key, sessionId, txn);
} finally {
session.free();
}
}
async _writeInboundSession(session, roomId, senderKey, claimedEd25519Key, sessionId, txn) {
let incomingSessionIsBetter = true;
const existingSessionEntry = await txn.inboundGroupSessions.get(roomId, senderKey, sessionId);
if (existingSessionEntry) {
@ -203,9 +211,6 @@ export class Decryption {
txn.inboundGroupSessions.set(sessionEntry);
return sessionEntry;
}
} finally {
session.free();
}
}
}