module ActionController::HttpAuthentication::Token

* `request` - ActionDispatch::Request instance with the current headers.

#### Parameters

no token is found.
Returns an `Array` of `[String, Hash]` if a token is present. Returns `nil` if

Then the returned token is `"abc"`, and the options are `{nonce: "def"}`.

Authorization: Token token="abc", nonce="def"

`"Bearer"`. If the header looks like this:
for the Authorization header is expected to have the prefix `"Token"` or
Parses the token and options out of the token Authorization header. The value

def token_and_options(request)
  authorization_request = request.authorization.to_s
  if authorization_request[TOKEN_REGEX]
    params = token_params_from authorization_request
    [params.shift[1], Hash[params].with_indifferent_access]
  end
end