/*! @azure/msal-node v5.1.3 2026-04-16 */
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'use strict';
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import { Constants, UrlUtils } from '@azure/msal-common/node';
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import http from 'http';
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import { NodeAuthError } from '../error/NodeAuthError.mjs';
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import { Constants as Constants$1 } from '../utils/Constants.mjs';
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/*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License.
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*/
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class LoopbackClient {
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/**
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* Spins up a loopback server which returns the server response when the localhost redirectUri is hit
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* @param successTemplate
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* @param errorTemplate
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* @returns
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*/
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async listenForAuthCode(successTemplate, errorTemplate) {
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if (this.server) {
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throw NodeAuthError.createLoopbackServerAlreadyExistsError();
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}
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return new Promise((resolve, reject) => {
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this.server = http.createServer((req, res) => {
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const url = req.url;
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if (!url) {
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res.end(errorTemplate ||
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"Error occurred loading redirectUrl");
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reject(NodeAuthError.createUnableToLoadRedirectUrlError());
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return;
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}
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else if (url === Constants.FORWARD_SLASH) {
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res.end(successTemplate ||
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"Auth code was successfully acquired. You can close this window now.");
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return;
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}
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const redirectUri = this.getRedirectUri();
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const parsedUrl = new URL(url, redirectUri);
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const authCodeResponse = UrlUtils.getDeserializedResponse(parsedUrl.search) ||
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{};
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if (authCodeResponse.code) {
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res.writeHead(Constants.HTTP_REDIRECT, {
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location: redirectUri,
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}); // Prevent auth code from being saved in the browser history
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res.end();
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}
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if (authCodeResponse.error) {
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res.end(errorTemplate ||
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`Error occurred: ${authCodeResponse.error}`);
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}
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resolve(authCodeResponse);
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});
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this.server.listen(0, "127.0.0.1"); // Listen on any available port
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});
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}
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/**
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* Get the port that the loopback server is running on
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* @returns
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*/
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getRedirectUri() {
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if (!this.server || !this.server.listening) {
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throw NodeAuthError.createNoLoopbackServerExistsError();
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}
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const address = this.server.address();
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if (!address || typeof address === "string" || !address.port) {
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this.closeServer();
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throw NodeAuthError.createInvalidLoopbackAddressTypeError();
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}
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const port = address && address.port;
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return `${Constants$1.HTTP_PROTOCOL}${Constants$1.LOCALHOST}:${port}`;
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}
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/**
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* Close the loopback server
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*/
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closeServer() {
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if (this.server) {
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// Only stops accepting new connections, server will close once open/idle connections are closed.
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this.server.close();
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if (typeof this.server.closeAllConnections === "function") {
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/*
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* Close open/idle connections. This API is available in Node versions 18.2 and higher
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*/
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this.server.closeAllConnections();
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}
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this.server.unref();
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this.server = undefined;
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}
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}
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}
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export { LoopbackClient };
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//# sourceMappingURL=LoopbackClient.mjs.map
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