Function getSignature

tests/test-oauth.js:11–19

(r)

var http = require('http')

function getSignature (r) {
  var sign
  r.headers.Authorization.slice('OAuth '.length).replace(/, /g, ',').split(',').forEach(function (v) {
    if (v.slice(0, 'oauth_signature="'.length) === 'oauth_signature="') {
      sign = v.slice('oauth_signature="'.length, -1)
    }
  })
  return decodeURIComponent(sign)
}

// Tests from Twitter documentation https://dev.twitter.com/docs/auth/oauth