/********************************************************************************
 * Copyright (C) 2019 TypeFox 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 WITH Classpath-exception-2.0
 ********************************************************************************/ import { environment } from '@theia/application-package/lib/environment' ; import { injectable } from 'inversify' ; import { MaybePromise } from '../common/types' ; import URI from '../common/uri' ; import { Endpoint } from './endpoint' ; export interface AddressPort { address : string ; port : number ; } @ injectable ( ) export class ExternalUriService { /**
     * Maps local to remote URLs.
     * Should be no-op if the given URL is not a localhost URL.
     *
     * By default maps to an origin serving Theia.
     *
     * Use `parseLocalhost` to retrieve localhost address and port information.
     */ resolve ( uri ) { const address = this . parseLocalhost ( uri ) ; if ( address ) { return this . toRemoteUrl ( uri , address ) ; } return uri ; } parseLocalhost ( uri ) { if ( uri . scheme !== 'http' && uri . scheme !== 'https' ) { return ; } const localhostMatch = /^(localhost|127\.0\.0\.1|0\.0\.0\.0):(\d+)$/ . exec ( uri . authority ) ; if ( ! localhostMatch ) { return ; } return { address : localhostMatch [ 1 ] , port : + localhostMatch [ 2 ] , } ; } protected toRemoteUrl ( uri , address ) { return new Endpoint ( { host : this . toRemoteHost ( address ) } ) . getRestUrl ( ) . withPath ( uri . path ) . withFragment ( uri . fragment ) . withQuery ( uri . query ) ; } protected toRemoteHost ( address ) { return `${ this . getRemoteHost ( ) }:${ address . port }` ; } returns protected getRemoteHost ( ) { return environment . electron . is ( ) ? 'localhost' : window . location . hostname ; } }