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request persisted storage when logging in/restoring a session

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This commit is contained in:
Bruno Windels 2020-10-20 17:02:34 +02:00
parent 2b93d50396
commit a7a922680d
1 changed files with 21 additions and 0 deletions
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21
src/matrix/storage/idb/StorageFactory.js
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@ -22,6 +22,21 @@ import { schema } from "./schema.js";
const sessionName = sessionId => `hydrogen_session_${sessionId}`; const sessionName = sessionId => `hydrogen_session_${sessionId}`;
const openDatabaseWithSessionId = sessionId => openDatabase(sessionName(sessionId), createStores, schema.length); const openDatabaseWithSessionId = sessionId => openDatabase(sessionName(sessionId), createStores, schema.length);
async function requestPersistedStorage() {
if (navigator?.storage?.persist) {
return await navigator.storage.persist();
} else if (document.requestStorageAccess) {
try {
await document.requestStorageAccess();
return true;
} catch (err) {
return false;
}
} else {
return false;
}
}
export class StorageFactory { export class StorageFactory {
constructor(serviceWorkerHandler) { constructor(serviceWorkerHandler) {
this._serviceWorkerHandler = serviceWorkerHandler; this._serviceWorkerHandler = serviceWorkerHandler;
@ -29,6 +44,12 @@ export class StorageFactory {
async create(sessionId) { async create(sessionId) {
await this._serviceWorkerHandler?.preventConcurrentSessionAccess(sessionId); await this._serviceWorkerHandler?.preventConcurrentSessionAccess(sessionId);
requestPersistedStorage().then(persisted => {
// Firefox lies here though, and returns true even if the user denied the request
if (!persisted) {
console.warn("no persisted storage, database can be evicted by browser");
}
});
const db = await openDatabaseWithSessionId(sessionId); const db = await openDatabaseWithSessionId(sessionId);
return new Storage(db); return new Storage(db);
} }