index.js

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

// @ts-check

const path = require('path');

const dotenv = require('dotenv');
// Import required bot configuration.
const ENV_FILE = path.join(__dirname, '.env');
dotenv.config({ path: ENV_FILE });

const restify = require('restify');

// Import required bot services.
// See https://aka.ms/bot-services to learn more about the different parts of a bot.
const {
    CloudAdapter,
    ConfigurationBotFrameworkAuthentication
} = require('botbuilder');

// This bot's main dialog.
const { EchoProxyBot } = require('./bot');

// Create HTTP server
const server = restify.createServer();
server.use(restify.plugins.bodyParser());

server.listen(process.env.port || process.env.PORT || 3978, () => {
    console.log(`\n${ server.name } listening to ${ server.url }`);
    console.log('\nGet Bot Framework Emulator: https://aka.ms/botframework-emulator');
    console.log('\nTo talk to your bot, open the emulator select "Open Bot"');
});

// Option #1: Setting the proxy variables globally for NodeJS.
const proxy = require('node-global-proxy').default;

proxy.setConfig({
    http: process.env.HTTP_PROXY ?? '',
    https: process.env.HTTPS_PROXY ?? ''
});
proxy.start();

const botFrameworkAuthentication = new ConfigurationBotFrameworkAuthentication(process.env);

// Option #2: Setting the proxy values in the configuration.
// const { MsalServiceClientCredentialsFactory } = require('botframework-connector');
// const msal = require('@azure/msal-node');

// const authorityUrl = 'https://login.microsoftonline.com/botframework.com';

// const credentialsFactory = new MsalServiceClientCredentialsFactory(
//     process.env.MicrosoftAppId,
//     new msal.ConfidentialClientApplication({
//         auth: {
//             clientId: process.env.MicrosoftAppId,
//             clientSecret: process.env.MicrosoftAppPassword,
//             authority: authorityUrl
//         }
//     })
// );

// const botFrameworkAuthentication = new ConfigurationBotFrameworkAuthentication(
//     process.env,
//     credentialsFactory,
//     undefined,
//     undefined,
//     { proxySettings: { host: '127.0.0.1', port: 8080 } }
// );

// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about how bots work.
const adapter = new CloudAdapter(botFrameworkAuthentication);

// Catch-all for errors.
const onTurnErrorHandler = async (context, error) => {
    // This check writes out errors to console log .vs. app insights.
    // NOTE: In production environment, you should consider logging this to Azure
    //       application insights. See https://aka.ms/bottelemetry for telemetry
    //       configuration instructions.
    console.error(`\n [onTurnError] unhandled error: ${ error }`);

    // Send a trace activity, which will be displayed in Bot Framework Emulator
    await context.sendTraceActivity(
        'OnTurnError Trace',
        `${ error }`,
        'https://www.botframework.com/schemas/error',
        'TurnError'
    );

    // Send a message to the user
    await context.sendActivity('The bot encountered an error or bug.');
    await context.sendActivity('To continue to run this bot, please fix the bot source code.');
};

// Set the onTurnError for the singleton CloudAdapter.
adapter.onTurnError = onTurnErrorHandler;

// Create the main dialog.
const myBot = new EchoProxyBot();

// Listen for incoming requests.
server.post('/api/messages', async (req, res) => {
    // Route received a request to adapter for processing
    await adapter.process(req, res, (context) => myBot.run(context));
});

// Listen for Upgrade requests for Streaming.
server.on('upgrade', async (req, socket, head) => {
    // Create an adapter scoped to this WebSocket connection to allow storing session data.
    const streamingAdapter = new CloudAdapter(botFrameworkAuthentication);
    // Set onTurnError for the CloudAdapter created for each connection.
    streamingAdapter.onTurnError = onTurnErrorHandler;

    await streamingAdapter.process(req, socket, head, (context) => myBot.run(context));
});