frappe-node/src/helpers/internet.js

A npm package frappe framework

'use strict'
import { get_args, console_message } from './collection';
import agent from './agent';
const dns = require('dns');


export const resolve_request = (domain, url, data=null, sid=null) => {
	return new Promise((resolve, reject) => {
		if (data) {
			data = JSON.stringify(data);
		}
		fetch_url(domain, url, data, sid)
			.then((json) => resolve(json))
			.catch((rej) => {
				reject(rej);
			});
	})
}

//local methods
const check_if_domain_exists = (domain) => {
	return new Promise((resolve, reject) => {
		dns.resolve('www.google.com', (e) => {
			if (e)
				reject(e);
			else
				resolve()
		})
	});
}

const fetch_url = (domain, url, data, sid) => {
	return new Promise((resolve, reject) => {
		//first check if connection exists
		check_if_domain_exists(domain)
			.then(() => {
				agent.request(url, get_args(data, sid))
				.then((res) => {
					resolve(res);
				});
			}).catch((rej) => {
				reject(rej)
			});
	})
}