@theia/core/src/node/hosting/backend-hosting-module.ts

Theia is a cloud & desktop IDE framework implemented in TypeScript.

// *****************************************************************************
// Copyright (C) 2020 Ericsson and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************

import { ContainerModule } from 'inversify';
import { BackendApplicationContribution } from '../backend-application';
import { WsRequestValidatorContribution } from '../ws-request-validators';
import { BackendApplicationHosts } from './backend-application-hosts';
import {
    BrowserConnectionToken, BrowserConnectionTokenBackendContribution, createBrowserConnectionToken
} from './browser-connection-token';
import { WsOriginValidator } from './ws-origin-validator';

export default new ContainerModule(bind => {
    bind(BackendApplicationHosts).toSelf().inSingletonScope();
    bind(WsOriginValidator).toSelf().inSingletonScope();
    bind(WsRequestValidatorContribution).toService(WsOriginValidator);

    // Cookie-based connection token protects both HTTP and WebSocket endpoints.
    bind(BrowserConnectionToken).toConstantValue(createBrowserConnectionToken());
    bind(BrowserConnectionTokenBackendContribution).toSelf().inSingletonScope();
    bind(BackendApplicationContribution).toService(BrowserConnectionTokenBackendContribution);
    bind(WsRequestValidatorContribution).toService(BrowserConnectionTokenBackendContribution);
});