module Doorkeeper::OAuth::Token::Methods

def from_access_token_param(request)
  request.parameters[:access_token]
end

def from_bearer_authorization(request)
  pattern = /^Bearer /
  header  = request.authorization
  header.gsub pattern, '' if header && header.match(pattern)
end

def from_bearer_param(request)
  request.parameters[:bearer_token]
end