Specs

validate(action :: atom(), params :: map()) ::
  {:ok, params :: map()} | {:error, message :: String.t()}

Validates given OAuth parameters.

Examples

iex> validate(%{
  "grant_type" => "client_credentials",
  "client_id" => "client_id",
  "client_secret" => "client_secret"
})
{:ok, %{
  "grant_type" => "client_credentials",
  "client_id" => "client_id",
  "client_secret" => "client_secret"
}}

iex> validate(%{})
{:error, "Request is not a valid OAuth request. Need a grant_type or a response_type param."}