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web/database/worker/db-worker.js
// @flow | // @flow | ||||
import localforage from 'localforage'; | import localforage from 'localforage'; | ||||
import initSqlJs, { type SqliteDatabase } from 'sql.js'; | import initSqlJs, { type SqliteDatabase } from 'sql.js'; | ||||
import { | import { | ||||
type SharedWorkerMessageEvent, | type SharedWorkerMessageEvent, | ||||
type WorkerRequestMessage, | type WorkerRequestMessage, | ||||
type WorkerResponseMessage, | type WorkerResponseMessage, | ||||
workerRequestMessageTypes, | workerRequestMessageTypes, | ||||
workerResponseMessageTypes, | workerResponseMessageTypes, | ||||
type WorkerRequestProxyMessage, | type WorkerRequestProxyMessage, | ||||
} from '../../types/worker-types.js'; | } from '../../types/worker-types.js'; | ||||
import { getSQLiteDBVersion } from '../queries/db-queries.js'; | import { getSQLiteDBVersion } from '../queries/db-queries.js'; | ||||
import { SQLITE_CONTENT } from '../utils/constants.js'; | import { SQLITE_CONTENT, SQLITE_ENCRYPTION_KEY } from '../utils/constants.js'; | ||||
import { generateDatabaseCryptoKey } from '../utils/worker-crypto-utils.js'; | |||||
const localforageConfig: PartialConfig = { | const localforageConfig: PartialConfig = { | ||||
driver: localforage.INDEXEDDB, | driver: localforage.INDEXEDDB, | ||||
name: 'comm', | name: 'comm', | ||||
storeName: 'commStorage', | storeName: 'commStorage', | ||||
description: 'Comm encrypted database storage', | description: 'Comm encrypted database storage', | ||||
version: '1.0', | version: '1.0', | ||||
}; | }; | ||||
Show All 30 Lines | ): Promise<?WorkerResponseMessage> { | ||||
if (message.type === workerRequestMessageTypes.PING) { | if (message.type === workerRequestMessageTypes.PING) { | ||||
return { | return { | ||||
type: workerResponseMessageTypes.PONG, | type: workerResponseMessageTypes.PONG, | ||||
text: 'PONG', | text: 'PONG', | ||||
}; | }; | ||||
} else if (message.type === workerRequestMessageTypes.INIT) { | } else if (message.type === workerRequestMessageTypes.INIT) { | ||||
await initDatabase(message.sqljsFilePath, message.sqljsFilename); | await initDatabase(message.sqljsFilePath, message.sqljsFilename); | ||||
return; | return; | ||||
} else if ( | |||||
message.type === workerRequestMessageTypes.GENERATE_DATABASE_ENCRYPTION_KEY | |||||
) { | |||||
const cryptoKey = await generateDatabaseCryptoKey(); | |||||
await localforage.setItem(SQLITE_ENCRYPTION_KEY, cryptoKey); | |||||
return; | |||||
} | } | ||||
throw new Error('Request type not supported'); | throw new Error('Request type not supported'); | ||||
} | } | ||||
function connectHandler(event: SharedWorkerMessageEvent) { | function connectHandler(event: SharedWorkerMessageEvent) { | ||||
if (!event.ports.length) { | if (!event.ports.length) { | ||||
return; | return; | ||||
Show All 30 Lines |