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Add notes from thinking through the need for storing what crypto db we use

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David Baker 2022-07-14 13:24:22 +01:00
parent 4c145af7a3
commit 873e68e1e1
1 changed files with 6 additions and 0 deletions
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6
src/matrix-utils.ts
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@ -97,6 +97,12 @@ export async function initClient(
// have generated keys for that device, so if we can't recover those keys,
// we must not continue or we'll generate new keys and anyone who saw our
// previous keys will not accept our new key.
// It's worth mentioning here that if support for indexeddb or localstorage
// appears or disappears between sessions (it happens) then the failure mode
// here will be that we'll try a different store, not find crypto data and
// fail to restore the session. An alternative would be to continue using
// whatever we were using before, but that could be confusing since you could
// enable indexeddb and but the app would still not be using it.
if (restore) {
if (indexedDB) {
const cryptoStoreExists = await IndexedDBCryptoStore.exists(