@lomray/microservice-gateway/middlewares/webhook.js

Gateway microservice based on NodeJS & inverted json.

'use strict';

var tslib = require('tslib');
var microserviceHelpers = require('@lomray/microservice-helpers');
var remote = require('../config/remote.js');

/**
 * Handles webhooks from other services
 */
const webhook = () => (req, res, next) => tslib.__awaiter(void 0, void 0, void 0, function* () {
    const { url, method, body, headers, query } = req;
    const { webhookUrl } = yield remote();
    if (!webhookUrl) {
        microserviceHelpers.Log.error('Webhook url is not provided');
        return res.status(500).json({ error: 'Webhook url is not provided.' });
    }
    if (!['post', 'get'].includes(method.toLowerCase())) {
        microserviceHelpers.Log.error('Method not allowed.');
        return res.status(405).json({ error: 'Method not allowed.' });
    }
    const { groups } = new RegExp(`${webhookUrl}(?<methodUrl>[^/]+)/?(?<authToken>[^/?]+)?`).exec(url) ||
        {};
    if (!groups) {
        next();
        return;
    }
    const { methodUrl, authToken } = groups;
    req.url = '/';
    req.method = 'post';
    req['forceStatus'] = true; // set response error status
    headers.authorization = authToken ? `Bearer ${authToken}` : undefined;
    req.body = {
        method: methodUrl,
        params: {
            body,
            rawBody: req['rawBody'],
            query: query !== null && query !== void 0 ? query : {},
        },
    };
    next();
});

module.exports = webhook;