269 lines
10 KiB
TypeScript
269 lines
10 KiB
TypeScript
/*****************************************************************************\
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| General Bots Copyright (c) pragmatismo.cloud. All rights reserved. |
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| Licensed under the AGPL-3.0. |
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| |
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| According to our dual licensing model, this program can be used either |
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| under the terms of the GNU Affero General Public License, version 3, |
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| or under a proprietary license. |
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| |
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| The texts of the GNU Affero General Public License with an additional |
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| permission and of our proprietary license can be found at and |
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| in the LICENSE file you have received along with this program. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY, without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU Affero General Public License for more details. |
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| |
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| "General Bots" is a registered trademark of pragmatismo.cloud. |
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| The licensing of the program under the AGPLv3 does not imply a |
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| trademark license. Therefore any rights, title and interest in |
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| our trademarks remain entirely with us. |
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| |
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\*****************************************************************************/
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import Swagger from 'swagger-client';
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import { google } from 'googleapis';
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import { PubSub } from '@google-cloud/pubsub';
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import fs from 'fs';
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import { GBLog, GBMinInstance, GBService } from 'botlib';
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import { GBServer } from '../../../src/app.js';
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import { SecService } from '../../security.gbapp/services/SecService.js';
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import { GBLogEx } from '../../core.gbapp/services/GBLogEx.js';
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import { GBUtil } from '../../../src/util.js';
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/**
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* Support for Google Chat.
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*/
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export class GoogleChatDirectLine extends GBService {
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public static conversationIds = {};
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public pollInterval = 5000;
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public directLineClientName = 'DirectLineClient';
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public directLineClient: any;
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public GoogleChatSubscriptionName: string;
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public botId: string;
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public min: GBMinInstance;
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private directLineSecret: string;
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pubSubClient: any;
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GoogleChatApiKey: any;
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GoogleClientEmail: any;
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GoogleClientPrivateKey: any;
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GoogleProjectId: any;
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constructor (
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min: GBMinInstance,
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botId,
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directLineSecret,
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GoogleChatSubscriptionName,
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GoogleChatApiKey,
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GoogleClientEmail,
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GoogleClientPrivateKey,
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GoogleProjectId
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) {
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super();
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this.min = min;
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this.botId = botId;
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this.directLineSecret = directLineSecret;
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this.GoogleChatSubscriptionName = GoogleChatSubscriptionName;
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this.GoogleChatApiKey = GoogleChatApiKey;
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this.GoogleClientEmail = GoogleClientEmail;
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this.GoogleClientPrivateKey = GoogleClientPrivateKey;
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this.GoogleProjectId = GoogleProjectId;
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this.pubSubClient = new PubSub({
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projectId: this.GoogleProjectId,
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credentials: { client_email: GoogleClientEmail, private_key: GoogleClientPrivateKey }
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});
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}
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public static async asyncForEach (array, callback) {
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for (let index = 0; index < array.length; index++) {
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await callback(array[index], index, array);
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}
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}
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public async setup (setUrl) {
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this.directLineClient = await GBUtil.getDirectLineClient(this.min);
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const client = await this.directLineClient;
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client.clientAuthorizations.add(
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'AuthorizationBotConnector',
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new Swagger.ApiKeyAuthorization('Authorization', `Bearer ${this.directLineSecret}`, 'header')
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);
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if (setUrl) {
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try {
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const subscription = this.pubSubClient.subscription(this.GoogleChatSubscriptionName);
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subscription.on('message', this.receiver.bind(this));
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} catch (error) {
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GBLog.error(`Error initializing 3rd party GoogleChat provider(1) ${error.message}`);
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}
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}
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}
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public async resetConversationId (key) {
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GoogleChatDirectLine.conversationIds[key] = undefined;
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}
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public async check () {
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GBLogEx.info(0, `GBGoogleChat: Checking server...`);
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}
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public async receiver (message) {
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const event = JSON.parse(Buffer.from(message.data, 'binary').toString());
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let from = '';
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let fromName = '';
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let text;
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const threadName = event.message.thread.name;
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if (event['type'] === 'ADDED_TO_SPACE' && event['space']['singleUserBotDm']) {
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} else if (event['type'] === 'MESSAGE') {
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text = event.message.text;
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fromName = event.message.sender.displayName;
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from = event.message.sender.email;
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GBLogEx.info(0, `Received message from ${from} (${fromName}): ${text}.`);
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}
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message.ack();
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const sec = new SecService();
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const user = await sec.ensureUser(this.min, from, from, '', 'googlechat', fromName, from);
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await sec.updateConversationReferenceById(user.userId, threadName);
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GBLogEx.info(0, `GBGoogleChat: RCV ${from}: ${text})`);
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const client = await this.directLineClient;
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const conversationId = GoogleChatDirectLine.conversationIds[from];
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if (GoogleChatDirectLine.conversationIds[from] === undefined) {
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GBLogEx.info(0, `GBGoogleChat: Starting new conversation on Bot.`);
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const response = await client.Conversations.Conversations_StartConversation();
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const generatedConversationId = response.obj.conversationId;
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GoogleChatDirectLine.conversationIds[from] = generatedConversationId;
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this.pollMessages(client, generatedConversationId, threadName, from, fromName);
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this.inputMessage(client, generatedConversationId, threadName, text, from, fromName);
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} else {
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this.inputMessage(client, conversationId, threadName, text, from, fromName);
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}
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}
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public inputMessage (client, conversationId, threadName, text, from, fromName) {
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return client.Conversations.Conversations_PostActivity({
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conversationId: conversationId,
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activity: {
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textFormat: 'plain',
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text: text,
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type: 'message',
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mobile: from,
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from: {
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id: from,
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name: fromName
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},
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replyToId: from
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}
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});
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}
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public pollMessages (client, conversationId, threadName, from, fromName) {
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GBLogEx.info(0, `GBGoogleChat: Starting message polling(${from}, ${conversationId}).`);
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let watermark: any;
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const worker = async () => {
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try {
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const response = await client.Conversations.Conversations_GetActivities({
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conversationId: conversationId,
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watermark: watermark
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});
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watermark = response.obj.watermark;
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await this.printMessages(response.obj.activities, conversationId, threadName, from, fromName);
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} catch (err) {
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GBLog.error(`Error calling printMessages on GoogleChat channel ${err.data === undefined ? err : err.data}`);
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}
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};
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setInterval(worker, this.pollInterval);
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}
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public async printMessages (activities, conversationId, threadName, from, fromName) {
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if (activities && activities.length) {
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// Ignore own messages.
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activities = activities.filter(m => m.from.id === this.botId && m.type === 'message');
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if (activities.length) {
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// Print other messages.
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await GoogleChatDirectLine.asyncForEach(activities, async activity => {
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await this.printMessage(activity, conversationId, threadName, from, fromName);
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});
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}
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}
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}
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public async printMessage (activity, conversationId, threadName, from, fromName) {
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let output = '';
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if (activity.text) {
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GBLogEx.info(0, `GBGoogleChat: SND ${from}(${fromName}): ${activity.text}`);
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output = activity.text;
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}
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if (activity.attachments) {
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activity.attachments.forEach(attachment => {
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switch (attachment.contentType) {
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case 'image/png':
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GBLogEx.info(0, `Opening the requested image ${attachment.contentUrl}`);
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output += `\n${attachment.contentUrl}`;
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break;
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default:
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GBLogEx.info(0, `Unknown content type: ${attachment.contentType}`);
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}
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});
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}
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await this.sendToDevice(from, conversationId, threadName, output);
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}
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public async sendToDevice (from: string, conversationId: string, threadName, msg: string) {
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try {
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let threadParts = threadName.split('/');
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let spaces = threadParts[1];
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let threadKey = threadParts[3];
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const scopes = ['https://www.googleapis.com/auth/chat.bot'];
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const jwtClient = new google.auth.JWT(this.GoogleClientEmail, null, this.GoogleClientPrivateKey, scopes, null);
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await jwtClient.authorize();
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const chat = google.chat({ version: 'v1', auth: jwtClient });
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const res = await chat.spaces.messages.create({
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parent: `spaces/${spaces}`,
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threadKey: threadKey,
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requestBody: {
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text: msg
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}
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});
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GBLogEx.info(0, `Message [${msg}] sent to ${from}: `);
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} catch (error) {
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GBLog.error(`Error sending message to GoogleChat provider ${error.message}`);
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}
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}
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public async sendToDeviceEx (to, conversationId, threadName, text, locale) {
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const minBoot = GBServer.globals.minBoot as any;
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text = await minBoot.conversationalService.translate(minBoot, text, locale);
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await this.sendToDevice(to, conversationId, threadName, text);
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}
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}
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