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Check the local storage fallback for crypto store

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This adds additional consistency checks to examine the local storage fallback
for the crypto store as well as the primary IndexedDB variant.

Part of https://github.com/vector-im/riot-web/issues/9309
This commit is contained in:
J. Ryan Stinnett 2019-03-28 12:27:33 +00:00
parent 1ae429f57b
commit 1928c43476
1 changed files with 27 additions and 8 deletions
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35
src/utils/StorageManager.js
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@ -15,6 +15,7 @@ limitations under the License.
*/
import Matrix from 'matrix-js-sdk';
import LocalStorageCryptoStore from 'matrix-js-sdk/lib/crypto/store/localStorage-crypto-store';
import Analytics from '../Analytics';
const localStorage = window.localStorage;
@ -78,15 +79,10 @@ export async function checkConsistency() {
}
if (indexedDB) {
try {
dataInCryptoStore = await Matrix.IndexedDBCryptoStore.exists(
indexedDB, CRYPTO_STORE_NAME,
);
log(`Crypto store contains data? ${dataInCryptoStore}`);
} catch (e) {
const results = await checkCryptoStore();
dataInCryptoStore = results.exists;
if (!results.healthy) {
healthy = false;
error("Crypto store inaccessible", e);
track("Crypto store inaccessible");
}
} else {
healthy = false;
@ -111,3 +107,26 @@ export async function checkConsistency() {
track("Consistency checks failed");
}
}
async function checkCryptoStore() {
let exists = false;
try {
exists = await Matrix.IndexedDBCryptoStore.exists(
indexedDB, CRYPTO_STORE_NAME,
);
log(`Crypto store using IndexedDB contains data? ${exists}`);
return { exists, healthy: true };
} catch (e) {
error("Crypto store using IndexedDB inaccessible", e);
track("Crypto store using IndexedDB inaccessible");
}
try {
exists = await LocalStorageCryptoStore.exists(localStorage);
log(`Crypto store using local storage contains data? ${exists}`);
return { exists, healthy: true };
} catch (e) {
error("Crypto store using local storage inaccessible", e);
track("Crypto store using local storage inaccessible");
}
return { exists, healthy: false };
}