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Check the local storage fallback for crypto store 

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
pull/21833/head
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 };
}