Not working for Twitter

[motyar]

I am getting this error with Twitter, please help
getBody: httpExecute: HTTP response is not 200/OK as expected. Actual response: Response Status: '401 Authorization Required' Response Code: 401 Response Body: {"errors":[{"code":32,"message":"Could not authenticate you."}]} Request Headers: [key: Authorization, val: OAuth oauth_callback="http%3A%2F%2F162.243.216.116%3A3000%2Fauth%2Ftwitter%2Fcallback",oauth_consumer_key="bu7KHEjK7UTfNReTcG4gK",oauth_nonce="1527203789697",oauth_signature="Y0zXln26LPHveIjbs%3D",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1465900095",oauth_version="1.0"]

Here is the code I am using: https://gist.github.com/motyar/dd1a441ed7214439afcb388b6c26b567