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prevent leaking resources in olm worker

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This commit is contained in:
Bruno Windels 2020-11-10 11:04:39 +01:00
parent 5f6ad91ff2
commit f13f1cd593
1 changed files with 13 additions and 7 deletions
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12
src/platform/web/worker/main.js
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@ -116,14 +116,13 @@ class MessageHandler {
_megolmDecrypt(sessionKey, ciphertext) { _megolmDecrypt(sessionKey, ciphertext) {
return this._toMessage(() => { return this._toMessage(() => {
let session; const session = new this._olm.InboundGroupSession();
try { try {
session = new this._olm.InboundGroupSession();
session.import_session(sessionKey); session.import_session(sessionKey);
// returns object with plaintext and message_index // returns object with plaintext and message_index
return session.decrypt(ciphertext); return session.decrypt(ciphertext);
} finally { } finally {
session?.free(); session.free();
} }
}); });
} }
@ -132,10 +131,17 @@ class MessageHandler {
return this._toMessage(() => { return this._toMessage(() => {
this._feedRandomValues(randomValues); this._feedRandomValues(randomValues);
const account = new this._olm.Account(); const account = new this._olm.Account();
try {
account.create(); account.create();
account.generate_one_time_keys(otkAmount); account.generate_one_time_keys(otkAmount);
this._checkRandomValuesUsed(); this._checkRandomValuesUsed();
return account.pickle(""); return account.pickle("");
} finally {
account.free();
}
});
}
_olmCreateOutbound(accountPickle, theirIdentityKey, theirOneTimeKey) { _olmCreateOutbound(accountPickle, theirIdentityKey, theirOneTimeKey) {
return this._toMessage(() => { return this._toMessage(() => {
const account = new this._olm.Account(); const account = new this._olm.Account();