Update index.js

lib/index.js

@@ -1,6 +1,7 @@
 // Native
 const fs = require('fs')
 const crypto = require('crypto')
+const readline = require('readline');
 
 // Packages
 const request = require('request-promise-native')
@@ -10,6 +11,18 @@ const useragentFromSeed = require('useragent-from-seed')
 
 const baseUrl = 'https://www.instagram.com'
 
+function askQuestion(query) {
+  const rl = readline.createInterface({
+      input: process.stdin,
+      output: process.stdout,
+  });
+
+  return new Promise(resolve => rl.question(query, ans => {
+      rl.close();
+      resolve(ans);
+  }))
+}
+
 class Instagram {
   constructor(
     { username, password, cookieStore },
@@ -68,10 +81,30 @@ class Instagram {
     }
 
     // Login
-    const res = await this.request.post('/accounts/login/ajax/', {
+    try {
+    var res = await this.request.post('/accounts/login/ajax/', {
       resolveWithFullResponse: true,
       form: { username, enc_password: createEncPassword(password) }
     })
+    }
+    catch (err){
+      if (err.error.two_factor_required)
+      {
+        console.log("Two factor auth is required!");
+        let ans = await askQuestion("Code:");
+        res = await this.request.post('/accounts/login/ajax/', {
+          resolveWithFullResponse: true,
+          form: {
+            username: username,
+            verificationCode: ans,
+            identifier: err.error.two_factor_info.two_factor_identifier
+          }
+        })
+      }
+      else{
+        throw err;
+      }
+    }
 
     if (!res.headers['set-cookie']) {
       throw new Error('No cookie')