make it possible to get config by passing environment variables

package.json

@@ -4,12 +4,13 @@
   "author": "Sushil Singh",
   "description": "Api Gateway and Controller for Mitsubishi Airconditioners",
   "dependencies": {
-    "express": "^4.15.4",
-    "source-map-support": "^0.4.16",
     "base-64": "^0.1",
-    "request": "",
+    "dotenv": "^10.0.0",
+    "express": "^4.15.4",
     "neodoc": "",
-    "sjcl": "^1.0"
+    "request": "",
+    "sjcl": "^1.0",
+    "source-map-support": "^0.4.16"
   },
   "devDependencies": {
     "@types/node": "^8.0.19",

src/kumoConfig.ts

@@ -1,15 +1,16 @@
 #!/usr/bin/env node
+require('dotenv').config()
 require('source-map-support').install();
 const request = require('request');
-const readline  = require('readline');
+const readline = require('readline');
 const Writable = require('stream').Writable;
 const fs = require('fs');
 import { KumoCfg, KumoCfgElement } from './kumoCfgInterface';
 const S = 0;
 const W = '44c73283b498d432ff25f5c8e06a016aef931e68f0a00ea710e36e6338fb22db';
 
 var mutableStdout = new Writable({
-    write: function(chunk: any, encoding:any, callback:()=>void) {
+    write: function (chunk: any, encoding: any, callback: () => void) {
         if (!this.muted)
             process.stdout.write(chunk, encoding);
         callback();
@@ -23,14 +24,14 @@ var rl = readline.createInterface({
     terminal: true
 });
 
-function processcfg(acc:any, j:any): KumoCfg {
+function processcfg(acc: any, j: any): KumoCfg {
     var mycfg: KumoCfg = {}
     mycfg[acc] = parsechildren(j);
     return mycfg;
 }
 
-function parsechildren(j:any) {
-    let mycl: {[hash:string]:KumoCfgElement} = {}
+function parsechildren(j: any) {
+    let mycl: { [hash: string]: KumoCfgElement } = {}
     for (let children in j) {
         let child = j[children]
         for (let zone in child['zoneTable']) {
@@ -42,7 +43,7 @@ function parsechildren(j:any) {
     return mycl;
 }
 
-function parsezone(z:any): KumoCfgElement {
+function parsezone(z: any): KumoCfgElement {
     let myc: KumoCfgElement = {
         serial: z.serial,
         label: z.label,
@@ -58,25 +59,25 @@ function parsezone(z:any): KumoCfgElement {
 
 function post(post_data: string) {
     request.post({
-            headers: {
-                'Accept': 'application/json, text/plain, */*',
-                'Accept-Encoding': 'gzip, deflate, br',
-                'accept-Language': 'en-US,en',
-                'Content-Length': post_data.length,
-                'Content-Type': 'application/json'
-            },
-            url: 'https://geo-c.kumocloud.com/login',
-            body: post_data
+        headers: {
+            'Accept': 'application/json, text/plain, */*',
+            'Accept-Encoding': 'gzip, deflate, br',
+            'accept-Language': 'en-US,en',
+            'Content-Length': post_data.length,
+            'Content-Type': 'application/json'
         },
+        url: 'https://geo-c.kumocloud.com/login',
+        body: post_data
+    },
         function (error: any, resp: any, body: any) {
             if (error != null) {
                 console.error("Unable to get config");
                 console.error(error)
             }
             try {
+                console.log(`Downloaded the config file from cloud...\n${body}`);
                 var dt = JSON.parse(body);
-                var cfg = processcfg(dt[0]['username'], dt[2]['children'])
-                console.log("Downloaded the config file from cloud...")
+                var cfg = processcfg(dt[0]['username'], dt[2]['children']);
                 var out = fs.createWriteStream('kumo.cfg');
                 out.write('module.exports = \n')
                 out.write(JSON.stringify(cfg))
@@ -91,22 +92,33 @@ function post(post_data: string) {
     )
 }
 
-rl.write('Please enter Kumo cloud credentials\n')
-rl.question("Enter username:", function (user: string) {
-    console.log("Enter password:");
-    mutableStdout.muted = true;
-    rl.question("Enter password:", function (pass: string) {
-        let msg = {
-            username: user,
-            password: pass,
-            appVersion: "2.2.0"
-        };
-        var post_data = JSON.stringify(msg);
-        post(post_data)
-        rl.close()
-    })
-})
 
 
+function submit(user: string, pass: string) {
+    let msg = {
+        username: user,
+        password: pass,
+        appVersion: "2.2.0"
+    };
+    var post_data = JSON.stringify(msg);
+    post(post_data);
+}
+
+let userEnv = process.env.KUMO_USER;
+let pwEnv = process.env.KUMO_PASS;
+
+if (userEnv && pwEnv) {
+    submit(userEnv, pwEnv);
+} else {
+    rl.write('Please enter Kumo cloud credentials\n')
+    rl.question("Enter username:", function (user: string) {
+        console.log("Enter password:");
+        mutableStdout.muted = true;
+        rl.question("Enter password:", function (pass: string) {
+            submit(user, pass);
+            rl.close()
+        })
+    })
+}