D11236.diff
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	diff --git a/.eslintignore b/.eslintignore
	--- a/.eslintignore
	+++ b/.eslintignore
	@@ -7,7 +7,7 @@
	web/flow-typed
	web/node_modules
	web/opaque-ke-wasm/pkg
	-web/database/_generated
	+web/shared-worker/_generated
	web/backup-client-wasm/wasm/backup-client-wasm.js
	keyserver/app_compiled
	keyserver/landing_compiled
	diff --git a/.gitignore b/.gitignore
	--- a/.gitignore
	+++ b/.gitignore
	@@ -9,8 +9,8 @@

	web/node_modules
	web/dist
	-web/database/sqlite
	-web/database/_generated/comm-query-executor.js.bak
	+web/shared-worker/sqlite
	+web/shared-worker/_generated/comm-query-executor.js.bak
	web/backup-client-wasm/wasm/backup-client-wasm_bg.wasm
	web/backup-client-wasm/wasm/backup-client-wasm.js
	web/backup-client-wasm/target
	diff --git a/web/account/account-hooks.js b/web/account/account-hooks.js
	--- a/web/account/account-hooks.js
	+++ b/web/account/account-hooks.js
	@@ -29,7 +29,6 @@
	encryptData,
	exportKeyToJWK,
	} from '../crypto/aes-gcm-crypto-utils.js';
	-import { isDesktopSafari } from '../database/utils/db-utils.js';
	import { initOlm } from '../olm/olm-utils.js';
	import {
	getOlmDataContentKeyForCookie,
	@@ -37,6 +36,7 @@
	} from '../push-notif/notif-crypto-utils.js';
	import { setCryptoStore } from '../redux/crypto-store-reducer.js';
	import { useSelector } from '../redux/redux-utils.js';
	+import { isDesktopSafari } from '../shared-worker/utils/db-utils.js';

	const CryptoStoreContext: React.Context<?CryptoStoreContextType> =
	React.createContext(null);
	diff --git a/web/app.react.js b/web/app.react.js
	--- a/web/app.react.js
	+++ b/web/app.react.js
	@@ -50,7 +50,6 @@
	import NavigationArrows from './components/navigation-arrows.react.js';
	import { olmAPI } from './crypto/olm-api.js';
	import { initOpaque } from './crypto/opaque-utils.js';
	-import { getDatabaseModule } from './database/database-module-provider.js';
	import electron from './electron.js';
	import InputStateContainer from './input/input-state-container.react.js';
	import InviteLinkHandler from './invite-links/invite-link-handler.react.js';
	@@ -76,6 +75,7 @@
	import AccountSettings from './settings/account-settings.react.js';
	import DangerZone from './settings/danger-zone.react.js';
	import KeyserverSelectionList from './settings/keyserver-selection-list.react.js';
	+import { getCommSharedWorker } from './shared-worker/shared-worker-provider.js';
	import CommunityPicker from './sidebar/community-picker.react.js';
	import Splash from './splash/splash.react.js';
	import './typography.css';
	@@ -120,8 +120,8 @@
	}
	};

	-// Start initializing the database immediately
	-void getDatabaseModule();
	+// Start initializing the shared worker immediately
	+void getCommSharedWorker();

	type BaseProps = {
	+location: {
	diff --git a/web/package.json b/web/package.json
	--- a/web/package.json
	+++ b/web/package.json
	@@ -5,12 +5,12 @@
	"private": true,
	"license": "BSD-3-Clause",
	"scripts": {
	- "clean": "rm -rf dist/ && rm -rf node_modules/ && rm -rf database/sqlite/ && rm -f backup-client-wasm/wasm/backup-client-wasm_bg.wasm && rm -f backup-client-wasm/wasm/backup-client-wasm.js && rm -rf backup-client-wasm/target",
	+ "clean": "rm -rf dist/ && rm -rf node_modules/ && rm -rf shared-worker/sqlite/ && rm -f backup-client-wasm/wasm/backup-client-wasm_bg.wasm && rm -f backup-client-wasm/wasm/backup-client-wasm.js && rm -rf backup-client-wasm/target",
	"dev": "yarn workspace keyserver babel-build-comm-config && yarn concurrently --names=\"NODESSR,BROWSER,WORKERS\" -c \"bgBlue.bold,bgMagenta.bold,bgCyan.bold\" \"yarn webpack --config webpack.config.cjs --config-name=server --watch\" \"yarn webpack-dev-server --config webpack.config.cjs --config-name=browser\" \"yarn webpack --config webpack.config.cjs --config-name=webworkers --watch\"",
	"prod": "yarn workspace keyserver babel-build-comm-config && yarn webpack --config webpack.config.cjs --env prod --progress",
	"test": "jest",
	"build-db-wasm": "./scripts/run_emscripten.sh",
	- "clean-db-wasm": "rm -rf database/_generated/ && rm -rf database/sqlite/",
	+ "clean-db-wasm": "rm -rf shared-worker/_generated/ && rm -rf shared-worker/sqlite/",
	"build-backup-client-wasm": "./scripts/run-wasmpack.sh",
	"codegen-identity-grpc": "./scripts/codegen-identity-grpc.sh",
	"postinstall": "bash ./scripts/postinstall.sh"
	diff --git a/web/push-notif/notif-crypto-utils.js b/web/push-notif/notif-crypto-utils.js
	--- a/web/push-notif/notif-crypto-utils.js
	+++ b/web/push-notif/notif-crypto-utils.js
	@@ -19,12 +19,12 @@
	encryptData,
	importJWKKey,
	} from '../crypto/aes-gcm-crypto-utils.js';
	+import { initOlm } from '../olm/olm-utils.js';
	import {
	NOTIFICATIONS_OLM_DATA_CONTENT,
	NOTIFICATIONS_OLM_DATA_ENCRYPTION_KEY,
	-} from '../database/utils/constants.js';
	-import { isDesktopSafari } from '../database/utils/db-utils.js';
	-import { initOlm } from '../olm/olm-utils.js';
	+} from '../shared-worker/utils/constants.js';
	+import { isDesktopSafari } from '../shared-worker/utils/db-utils.js';

	export type WebNotifDecryptionError = {
	+id: string,
	diff --git a/web/push-notif/push-notifs-handler.js b/web/push-notif/push-notifs-handler.js
	--- a/web/push-notif/push-notifs-handler.js
	+++ b/web/push-notif/push-notifs-handler.js
	@@ -18,14 +18,14 @@

	import { decryptDesktopNotification } from './notif-crypto-utils.js';
	import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
	-import {
	- WORKERS_MODULES_DIR_PATH,
	- DEFAULT_OLM_FILENAME,
	-} from '../database/utils/constants.js';
	import electron from '../electron.js';
	import PushNotifModal from '../modals/push-notif-modal.react.js';
	import { updateNavInfoActionType } from '../redux/action-types.js';
	import { useSelector } from '../redux/redux-utils.js';
	+import {
	+ WORKERS_MODULES_DIR_PATH,
	+ DEFAULT_OLM_FILENAME,
	+} from '../shared-worker/utils/constants.js';
	import { useStaffCanSee } from '../utils/staff-utils.js';

	declare var baseURL: string;
	diff --git a/web/push-notif/service-worker.js b/web/push-notif/service-worker.js
	--- a/web/push-notif/service-worker.js
	+++ b/web/push-notif/service-worker.js
	@@ -15,7 +15,7 @@
	type WebNotifDecryptionError,
	} from './notif-crypto-utils.js';
	import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
	-import { localforageConfig } from '../database/utils/constants.js';
	+import { localforageConfig } from '../shared-worker/utils/constants.js';

	declare class PushMessageData {
	json(): Object;
	diff --git a/web/redux/comm-redux-storage-engine.js b/web/redux/comm-redux-storage-engine.js
	--- a/web/redux/comm-redux-storage-engine.js
	+++ b/web/redux/comm-redux-storage-engine.js
	@@ -2,18 +2,18 @@

	import storage from 'redux-persist/es/storage/index.js';

	-import { getDatabaseModule } from '../database/database-module-provider.js';
	+import { getCommSharedWorker } from '../shared-worker/shared-worker-provider.js';
	import { workerRequestMessageTypes } from '../types/worker-types.js';

	const commReduxStorageEngine = {
	getItem: async (key: string): Promise<string> => {
	- const databaseModule = await getDatabaseModule();
	- const isSupported = await databaseModule.isDatabaseSupported();
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	if (!isSupported) {
	return await storage.getItem(key);
	}

	- const result = await databaseModule.schedule({
	+ const result = await sharedWorker.schedule({
	type: workerRequestMessageTypes.GET_PERSIST_STORAGE_ITEM,
	key,
	});
	@@ -23,28 +23,28 @@
	return result.item;
	},
	setItem: async (key: string, item: string): Promise<void> => {
	- const databaseModule = await getDatabaseModule();
	- const isSupported = await databaseModule.isDatabaseSupported();
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	if (!isSupported) {
	await storage.setItem(key, item);
	return;
	}

	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.SET_PERSIST_STORAGE_ITEM,
	key,
	item,
	});
	},
	removeItem: async (key: string): Promise<void> => {
	- const databaseModule = await getDatabaseModule();
	- const isSupported = await databaseModule.isDatabaseSupported();
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	if (!isSupported) {
	await storage.removeItem(key);
	return;
	}

	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.REMOVE_PERSIST_STORAGE_ITEM,
	key,
	});
	diff --git a/web/redux/initial-state-gate.js b/web/redux/initial-state-gate.js
	--- a/web/redux/initial-state-gate.js
	+++ b/web/redux/initial-state-gate.js
	@@ -21,11 +21,11 @@
	} from './action-types.js';
	import { useSelector } from './redux-utils.js';
	import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
	+import Loading from '../loading.react.js';
	import {
	getClientDBStore,
	processDBStoreOperations,
	-} from '../database/utils/store.js';
	-import Loading from '../loading.react.js';
	+} from '../shared-worker/utils/store.js';

	type Props = {
	+persistor: Persistor,
	diff --git a/web/redux/persist.js b/web/redux/persist.js
	--- a/web/redux/persist.js
	+++ b/web/redux/persist.js
	@@ -35,8 +35,8 @@
	import type { AppState } from './redux-setup.js';
	import { nonUserSpecificFieldsWeb } from './redux-setup.js';
	import { authoritativeKeyserverID } from '../authoritative-keyserver.js';
	-import { getDatabaseModule } from '../database/database-module-provider.js';
	-import { isSQLiteSupported } from '../database/utils/db-utils.js';
	+import { getCommSharedWorker } from '../shared-worker/shared-worker-provider.js';
	+import { isSQLiteSupported } from '../shared-worker/utils/db-utils.js';
	import { workerRequestMessageTypes } from '../types/worker-types.js';

	declare var keyserverURL: string;
	@@ -94,18 +94,18 @@
	};
	}

	- const databaseModule = await getDatabaseModule();
	- const isDatabaseSupported = await databaseModule.isDatabaseSupported();
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();

	- if (!isDatabaseSupported) {
	+ if (!isSupported) {
	return newState;
	}

	- const stores = await databaseModule.schedule({
	+ const stores = await sharedWorker.schedule({
	type: workerRequestMessageTypes.GET_CLIENT_STORE,
	});
	invariant(stores?.store, 'Stores should exist');
	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
	storeOperations: {
	draftStoreOperations: generateIDSchemaMigrationOpsForDrafts(
	@@ -134,9 +134,9 @@
	};
	},
	[5]: async (state: any) => {
	- const databaseModule = await getDatabaseModule();
	- const isDatabaseSupported = await databaseModule.isDatabaseSupported();
	- if (!isDatabaseSupported) {
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	+ if (!isSupported) {
	return state;
	}

	@@ -154,7 +154,7 @@
	});
	}

	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
	storeOperations: { draftStoreOperations },
	});
	@@ -229,9 +229,9 @@
	};
	},
	[11]: async (state: AppState) => {
	- const databaseModule = await getDatabaseModule();
	- const isDatabaseSupported = await databaseModule.isDatabaseSupported();
	- if (!isDatabaseSupported) {
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	+ if (!isSupported) {
	return state;
	}

	@@ -252,7 +252,7 @@
	]);

	try {
	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
	storeOperations: { keyserverStoreOperations },
	});
	@@ -265,8 +265,8 @@
	};

	const migrateStorageToSQLite: StorageMigrationFunction = async debug => {
	- const databaseModule = await getDatabaseModule();
	- const isSupported = await databaseModule.isDatabaseSupported();
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	if (!isSupported) {
	return undefined;
	}
	diff --git a/web/redux/redux-setup.js b/web/redux/redux-setup.js
	--- a/web/redux/redux-setup.js
	+++ b/web/redux/redux-setup.js
	@@ -63,8 +63,8 @@
	import { onStateDifference } from './redux-debug-utils.js';
	import { reduceServicesAccessToken } from './services-access-token-reducer.js';
	import { getVisibility } from './visibility.js';
	-import { processDBStoreOperations } from '../database/utils/store.js';
	import { activeThreadSelector } from '../selectors/nav-selectors.js';
	+import { processDBStoreOperations } from '../shared-worker/utils/store.js';
	import type { InitialReduxState } from '../types/redux-types.js';

	export type WindowDimensions = { width: number, height: number };
	diff --git a/web/root.js b/web/root.js
	--- a/web/root.js
	+++ b/web/root.js
	@@ -21,8 +21,6 @@
	OlmSessionCreatorProvider,
	} from './account/account-hooks.js';
	import App from './app.react.js';
	-import { SQLiteDataHandler } from './database/sqlite-data-handler.js';
	-import { localforageConfig } from './database/utils/constants.js';
	import ErrorBoundary from './error-boundary.react.js';
	import IdentityServiceContextProvider from './grpc/identity-service-context-provider.react.js';
	import { defaultWebState } from './redux/default-state.js';
	@@ -34,6 +32,8 @@
	tabSynchronizationMiddleware,
	} from './redux/tab-synchronization.js';
	import history from './router-history.js';
	+import { SQLiteDataHandler } from './shared-worker/sqlite-data-handler.js';
	+import { localforageConfig } from './shared-worker/utils/constants.js';
	import Socket from './socket.react.js';

	localforage.config(localforageConfig);
	diff --git a/web/scripts/run_emscripten.sh b/web/scripts/run_emscripten.sh
	--- a/web/scripts/run_emscripten.sh
	+++ b/web/scripts/run_emscripten.sh
	@@ -12,9 +12,9 @@
	NATIVE_CPP_DIR="${SCRIPT_DIR}/../../native/cpp/"
	INPUT_DIR="${NATIVE_CPP_DIR}CommonCpp/DatabaseManagers/"
	ENTITIES_DIR="${NATIVE_CPP_DIR}CommonCpp/DatabaseManagers/entities/"
	-SQLITE_DIR="${SCRIPT_DIR}/../database/sqlite/"
	+SQLITE_DIR="${SCRIPT_DIR}/../shared-worker/sqlite/"
	WEB_CPP_DIR="${SCRIPT_DIR}/../cpp/"
	-OUTPUT_DIR="${SCRIPT_DIR}/../database/_generated/"
	+OUTPUT_DIR="${SCRIPT_DIR}/../shared-worker/_generated/"

	# files
	SQLITE_SOURCE="${SQLITE_DIR}sqlite3.c"
	diff --git a/web/settings/backup-test-restore-modal.react.js b/web/settings/backup-test-restore-modal.react.js
	--- a/web/settings/backup-test-restore-modal.react.js
	+++ b/web/settings/backup-test-restore-modal.react.js
	@@ -7,9 +7,9 @@

	import css from './backup-test-restore-modal.css';
	import Button from '../components/button.react.js';
	-import { getDatabaseModule } from '../database/database-module-provider.js';
	import Input from '../modals/input.react.js';
	import Modal from '../modals/modal.react.js';
	+import { getCommSharedWorker } from '../shared-worker/shared-worker-provider.js';
	import { workerRequestMessageTypes } from '../types/worker-types.js';

	type Props = {
	@@ -39,8 +39,8 @@

	const authMetadata = await client.getAuthMetadata();

	- const databaseModule = await getDatabaseModule();
	- await databaseModule.schedule({
	+ const sharedWorker = await getCommSharedWorker();
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.BACKUP_RESTORE,
	authMetadata,
	backupID,
	diff --git a/web/database/_generated/comm-query-executor.js b/web/shared-worker/_generated/comm-query-executor.js
	rename from web/database/_generated/comm-query-executor.js
	rename to web/shared-worker/_generated/comm-query-executor.js
	diff --git a/web/database/_generated/comm_query_executor.wasm b/web/shared-worker/_generated/comm_query_executor.wasm
	rename from web/database/_generated/comm_query_executor.wasm
	rename to web/shared-worker/_generated/comm_query_executor.wasm
	diff --git a/web/database/db-module.js b/web/shared-worker/db-module.js
	rename from web/database/db-module.js
	rename to web/shared-worker/db-module.js
	diff --git a/web/database/db-module.test.js b/web/shared-worker/db-module.test.js
	rename from web/database/db-module.test.js
	rename to web/shared-worker/db-module.test.js
	diff --git a/web/database/queries/communities-queries.test.js b/web/shared-worker/queries/communities-queries.test.js
	rename from web/database/queries/communities-queries.test.js
	rename to web/shared-worker/queries/communities-queries.test.js
	diff --git a/web/database/queries/draft-queries.test.js b/web/shared-worker/queries/draft-queries.test.js
	rename from web/database/queries/draft-queries.test.js
	rename to web/shared-worker/queries/draft-queries.test.js
	diff --git a/web/database/queries/keyservers-queries.test.js b/web/shared-worker/queries/keyservers-queries.test.js
	rename from web/database/queries/keyservers-queries.test.js
	rename to web/shared-worker/queries/keyservers-queries.test.js
	diff --git a/web/database/queries/message-store-threads-queries.test.js b/web/shared-worker/queries/message-store-threads-queries.test.js
	rename from web/database/queries/message-store-threads-queries.test.js
	rename to web/shared-worker/queries/message-store-threads-queries.test.js
	diff --git a/web/database/queries/message-to-device-queries.test.js b/web/shared-worker/queries/message-to-device-queries.test.js
	rename from web/database/queries/message-to-device-queries.test.js
	rename to web/shared-worker/queries/message-to-device-queries.test.js
	diff --git a/web/database/queries/messages-and-media-queries.test.js b/web/shared-worker/queries/messages-and-media-queries.test.js
	rename from web/database/queries/messages-and-media-queries.test.js
	rename to web/shared-worker/queries/messages-and-media-queries.test.js
	diff --git a/web/database/queries/metadata-queries.test.js b/web/shared-worker/queries/metadata-queries.test.js
	rename from web/database/queries/metadata-queries.test.js
	rename to web/shared-worker/queries/metadata-queries.test.js
	diff --git a/web/database/queries/olm-persist-data-queries.test.js b/web/shared-worker/queries/olm-persist-data-queries.test.js
	rename from web/database/queries/olm-persist-data-queries.test.js
	rename to web/shared-worker/queries/olm-persist-data-queries.test.js
	diff --git a/web/database/queries/report-queries.test.js b/web/shared-worker/queries/report-queries.test.js
	rename from web/database/queries/report-queries.test.js
	rename to web/shared-worker/queries/report-queries.test.js
	diff --git a/web/database/queries/storage-engine-queries.test.js b/web/shared-worker/queries/storage-engine-queries.test.js
	rename from web/database/queries/storage-engine-queries.test.js
	rename to web/shared-worker/queries/storage-engine-queries.test.js
	diff --git a/web/database/queries/threads-queries.test.js b/web/shared-worker/queries/threads-queries.test.js
	rename from web/database/queries/threads-queries.test.js
	rename to web/shared-worker/queries/threads-queries.test.js
	diff --git a/web/database/queries/user-quries.test.js b/web/shared-worker/queries/user-quries.test.js
	rename from web/database/queries/user-quries.test.js
	rename to web/shared-worker/queries/user-quries.test.js
	diff --git a/web/database/database-module-provider.js b/web/shared-worker/shared-worker-provider.js
	rename from web/database/database-module-provider.js
	rename to web/shared-worker/shared-worker-provider.js
	--- a/web/database/database-module-provider.js
	+++ b/web/shared-worker/shared-worker-provider.js
	@@ -26,45 +26,49 @@
	declare var commQueryExecutorFilename: string;
	declare var backupClientFilename: string;

	-const databaseStatuses = Object.freeze({
	+const sharedWorkerStatuses = Object.freeze({
	notRunning: 'NOT_RUNNING',
	initSuccess: 'INIT_SUCCESS',
	initInProgress: 'INIT_IN_PROGRESS',
	initError: 'INIT_ERROR',
	});

	-type DatabaseStatus =
	+type SharedWorkerStatus =
	\| { +type: 'NOT_RUNNING' \| 'INIT_SUCCESS' \| 'INIT_ERROR' }
	\| { +type: 'INIT_IN_PROGRESS', +initPromise: Promise<void> };

	type InitOptions = { +clearDatabase: boolean };

	-class DatabaseModule {
	+class CommSharedWorker {
	worker: ?SharedWorker;
	workerProxy: ?WorkerConnectionProxy;
	- status: DatabaseStatus = { type: databaseStatuses.notRunning };
	+ status: SharedWorkerStatus = { type: sharedWorkerStatuses.notRunning };

	async init({ clearDatabase }: InitOptions): Promise<void> {
	if (!isSQLiteSupported()) {
	console.warn('SQLite is not supported');
	- this.status = { type: databaseStatuses.initError };
	+ this.status = { type: sharedWorkerStatuses.initError };
	return;
	}

	- if (this.status.type === databaseStatuses.initInProgress) {
	+ if (this.status.type === sharedWorkerStatuses.initInProgress) {
	await this.status.initPromise;
	return;
	}

	if (
	- (this.status.type === databaseStatuses.initSuccess && !clearDatabase) \|\|
	- this.status.type === databaseStatuses.initError
	+ (this.status.type === sharedWorkerStatuses.initSuccess &&
	+ !clearDatabase) \|\|
	+ this.status.type === sharedWorkerStatuses.initError
	) {
	return;
	}

	const initPromise = (async () => {
	- if (clearDatabase && this.status.type === databaseStatuses.initSuccess) {
	+ if (
	+ clearDatabase &&
	+ this.status.type === sharedWorkerStatuses.initSuccess
	+ ) {
	console.info('Clearing sensitive data');
	invariant(this.workerProxy, 'Worker proxy should exist');
	await this.workerProxy.scheduleOnWorker({
	@@ -73,7 +77,7 @@
	}

	const codeVersion = getConfig().platformDetails.codeVersion ?? '';
	- const workerName = `comm-app-database-${codeVersion}`;
	+ const workerName = `comm-app-shared-worker-${codeVersion}`;

	this.worker = new SharedWorker(DATABASE_WORKER_PATH, workerName);
	this.worker.onerror = console.error;
	@@ -97,38 +101,38 @@
	commQueryExecutorFilename,
	backupClientFilename,
	});
	- this.status = { type: databaseStatuses.initSuccess };
	+ this.status = { type: sharedWorkerStatuses.initSuccess };
	console.info('Database initialization success');
	} catch (error) {
	- this.status = { type: databaseStatuses.initError };
	+ this.status = { type: sharedWorkerStatuses.initError };
	console.error(`Database initialization failure`, error);
	}
	})();

	- this.status = { type: databaseStatuses.initInProgress, initPromise };
	+ this.status = { type: sharedWorkerStatuses.initInProgress, initPromise };

	await initPromise;
	}

	- async isDatabaseSupported(): Promise<boolean> {
	- if (this.status.type === databaseStatuses.initInProgress) {
	+ async isSupported(): Promise<boolean> {
	+ if (this.status.type === sharedWorkerStatuses.initInProgress) {
	await this.status.initPromise;
	}
	- return this.status.type === databaseStatuses.initSuccess;
	+ return this.status.type === sharedWorkerStatuses.initSuccess;
	}

	async schedule(
	payload: WorkerRequestMessage,
	): Promise<?WorkerResponseMessage> {
	- if (this.status.type === databaseStatuses.notRunning) {
	+ if (this.status.type === sharedWorkerStatuses.notRunning) {
	throw new Error('Database not running');
	}

	- if (this.status.type === databaseStatuses.initInProgress) {
	+ if (this.status.type === sharedWorkerStatuses.initInProgress) {
	await this.status.initPromise;
	}

	- if (this.status.type === databaseStatuses.initError) {
	+ if (this.status.type === sharedWorkerStatuses.initError) {
	throw new Error('Database could not be initialized');
	}

	@@ -151,15 +155,15 @@
	return await exportKeyToJWK(newEncryptionKey);
	}

	-let databaseModule: ?DatabaseModule = null;
	-async function getDatabaseModule(): Promise<DatabaseModule> {
	- if (databaseModule) {
	- return databaseModule;
	+let sharedWorker: ?CommSharedWorker = null;
	+async function getCommSharedWorker(): Promise<CommSharedWorker> {
	+ if (sharedWorker) {
	+ return sharedWorker;
	}
	- const newModule = new DatabaseModule();
	- databaseModule = newModule;
	+ const newModule = new CommSharedWorker();
	+ sharedWorker = newModule;
	await newModule.init({ clearDatabase: false });
	return newModule;
	}

	-export { getDatabaseModule };
	+export { getCommSharedWorker };
	diff --git a/web/database/sqlite-data-handler.js b/web/shared-worker/sqlite-data-handler.js
	rename from web/database/sqlite-data-handler.js
	rename to web/shared-worker/sqlite-data-handler.js
	--- a/web/database/sqlite-data-handler.js
	+++ b/web/shared-worker/sqlite-data-handler.js
	@@ -5,7 +5,7 @@
	import { getMessageForException } from 'lib/utils/errors.js';
	import { useDispatch } from 'lib/utils/redux-utils.js';

	-import { getDatabaseModule } from './database-module-provider.js';
	+import { getCommSharedWorker } from './shared-worker-provider.js';
	import { useSelector } from '../redux/redux-utils.js';
	import { workerRequestMessageTypes } from '../types/worker-types.js';

	@@ -19,11 +19,11 @@
	);

	const handleSensitiveData = React.useCallback(async () => {
	- const databaseModule = await getDatabaseModule();
	+ const sharedWorker = await getCommSharedWorker();
	let currentDBUserID,
	errorGettingUserID = false;
	try {
	- const currentUserData = await databaseModule.schedule({
	+ const currentUserData = await sharedWorker.schedule({
	type: workerRequestMessageTypes.GET_CURRENT_USER_ID,
	});
	currentDBUserID = currentUserData?.userID;
	@@ -42,7 +42,7 @@

	if (currentDBUserID \|\| errorGettingUserID) {
	try {
	- await databaseModule.init({ clearDatabase: true });
	+ await sharedWorker.init({ clearDatabase: true });
	} catch (error) {
	console.error(
	`Error clearing sensitive data: ${
	@@ -55,7 +55,7 @@
	}
	if (currentLoggedInUserID) {
	try {
	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.SET_CURRENT_USER_ID,
	userID: currentLoggedInUserID,
	});
	@@ -71,13 +71,13 @@

	React.useEffect(() => {
	void (async () => {
	- const databaseModule = await getDatabaseModule();
	+ const sharedWorker = await getCommSharedWorker();

	if (!rehydrateConcluded) {
	return;
	}

	- const isSupported = await databaseModule.isDatabaseSupported();
	+ const isSupported = await sharedWorker.isSupported();
	if (!isSupported) {
	return;
	}
	diff --git a/web/database/types/entities.js b/web/shared-worker/types/entities.js
	rename from web/database/types/entities.js
	rename to web/shared-worker/types/entities.js
	diff --git a/web/database/types/entities.test.js b/web/shared-worker/types/entities.test.js
	rename from web/database/types/entities.test.js
	rename to web/shared-worker/types/entities.test.js
	diff --git a/web/database/types/file-system.js b/web/shared-worker/types/file-system.js
	rename from web/database/types/file-system.js
	rename to web/shared-worker/types/file-system.js
	diff --git a/web/database/types/module.js b/web/shared-worker/types/module.js
	rename from web/database/types/module.js
	rename to web/shared-worker/types/module.js
	diff --git a/web/database/types/sqlite-query-executor.js b/web/shared-worker/types/sqlite-query-executor.js
	rename from web/database/types/sqlite-query-executor.js
	rename to web/shared-worker/types/sqlite-query-executor.js
	diff --git a/web/database/utils/constants.js b/web/shared-worker/utils/constants.js
	rename from web/database/utils/constants.js
	rename to web/shared-worker/utils/constants.js
	diff --git a/web/database/utils/db-utils.js b/web/shared-worker/utils/db-utils.js
	rename from web/database/utils/db-utils.js
	rename to web/shared-worker/utils/db-utils.js
	diff --git a/web/database/utils/store.js b/web/shared-worker/utils/store.js
	rename from web/database/utils/store.js
	rename to web/shared-worker/utils/store.js
	--- a/web/database/utils/store.js
	+++ b/web/shared-worker/utils/store.js
	@@ -12,10 +12,10 @@

	import { defaultWebState } from '../../redux/default-state.js';
	import { workerRequestMessageTypes } from '../../types/worker-types.js';
	-import { getDatabaseModule } from '../database-module-provider.js';
	+import { getCommSharedWorker } from '../shared-worker-provider.js';

	async function getClientDBStore(): Promise<ClientStore> {
	- const databaseModule = await getDatabaseModule();
	+ const sharedWorker = await getCommSharedWorker();
	let result: ClientStore = {
	currentUserID: null,
	drafts: [],
	@@ -27,7 +27,7 @@
	keyserverInfos: defaultWebState.keyserverStore.keyserverInfos,
	communityInfos: null,
	};
	- const data = await databaseModule.schedule({
	+ const data = await sharedWorker.schedule({
	type: workerRequestMessageTypes.GET_CLIENT_STORE,
	});
	if (data?.store?.drafts) {
	@@ -105,13 +105,13 @@
	return;
	}

	- const databaseModule = await getDatabaseModule();
	- const isSupported = await databaseModule.isDatabaseSupported();
	+ const sharedWorker = await getCommSharedWorker();
	+ const isSupported = await sharedWorker.isSupported();
	if (!isSupported) {
	return;
	}
	try {
	- await databaseModule.schedule({
	+ await sharedWorker.schedule({
	type: workerRequestMessageTypes.PROCESS_STORE_OPERATIONS,
	storeOperations: {
	draftStoreOperations,
	@@ -126,7 +126,7 @@
	if (canUseDatabase) {
	window.alert(e.message);
	if (threadStoreOperations.length > 0) {
	- await databaseModule.init({ clearDatabase: true });
	+ await sharedWorker.init({ clearDatabase: true });
	location.reload();
	}
	}
	diff --git a/web/database/utils/worker-connection-proxy.js b/web/shared-worker/utils/worker-connection-proxy.js
	rename from web/database/utils/worker-connection-proxy.js
	rename to web/shared-worker/utils/worker-connection-proxy.js
	diff --git a/web/database/utils/worker-crypto-utils.test.js b/web/shared-worker/utils/worker-crypto-utils.test.js
	rename from web/database/utils/worker-crypto-utils.test.js
	rename to web/shared-worker/utils/worker-crypto-utils.test.js
	diff --git a/web/database/worker/backup.js b/web/shared-worker/worker/backup.js
	rename from web/database/worker/backup.js
	rename to web/shared-worker/worker/backup.js
	diff --git a/web/database/worker/process-operations.js b/web/shared-worker/worker/process-operations.js
	rename from web/database/worker/process-operations.js
	rename to web/shared-worker/worker/process-operations.js
	diff --git a/web/database/worker/db-worker.js b/web/shared-worker/worker/shared-worker.js
	rename from web/database/worker/db-worker.js
	rename to web/shared-worker/worker/shared-worker.js
	diff --git a/web/webpack.config.cjs b/web/webpack.config.cjs
	--- a/web/webpack.config.cjs
	+++ b/web/webpack.config.cjs
	@@ -120,7 +120,7 @@
	const baseWebWorkersConfig = {
	entry: {
	pushNotif: './push-notif/service-worker.js',
	- database: './database/worker/db-worker.js',
	+ database: './shared-worker/worker/shared-worker.js',
	},
	output: {
	filename: '[name].build.js',
	@@ -139,7 +139,7 @@
	new CopyPlugin({
	patterns: [
	{
	- from: 'database/_generated/comm_query_executor.wasm',
	+ from: 'shared-worker/_generated/comm_query_executor.wasm',
	to: path.join(__dirname, 'dist', 'webworkers'),
	},
	],
	@@ -166,7 +166,7 @@
	new CopyPlugin({
	patterns: [
	{
	- from: 'database/_generated/comm_query_executor.wasm',
	+ from: 'shared-worker/_generated/comm_query_executor.wasm',
	to: path.join(
	__dirname,
	'dist',

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