gistfile1.rb

oauth_access_token = <OAUTH ACCESS TOKEN>
oauth_access_token_secret = <OAUTH ACCESS TOKEN SECRET>

consumer = OAuth::Consumer.new('consumer_key','consumer_secret',
  site: '<magento host>',
  request_token_path: '/oauth/initiate',
  access_token_path:  '/oauth/token',
  authorize_path:     '/admin/oauth_authorize',
  signature_method:   'PLAINTEXT'
)

access_token = OAuth::AccessToken.new(consumer, oauth_access_token, oauth_access_token_secret)
  
access_token.get('/api/rest/orders')