+
+ # Gets user by token
+ #
+ @spec fetch_user_and_token(String.t()) :: {:ok, User.t(), Token.t()} | nil
+ defp fetch_user_and_token(token) do
+ query = from(q in Token, where: q.token == ^token, preload: [:user])
+
+ with %Token{user: %{info: %{deactivated: false} = _} = user} = token_record <- Repo.one(query) do
+ {:ok, user, token_record}
+ end
+ end
+
+ # Gets token from session by :oauth_token key
+ #
+ @spec fetch_token_from_session(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
+ defp fetch_token_from_session(conn) do
+ case get_session(conn, :oauth_token) do
+ nil -> :no_token_found
+ token -> {:ok, token}
+ end
+ end
+
+ # Gets token from headers
+ #
+ @spec fetch_token_str(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
+ defp fetch_token_str(%Plug.Conn{} = conn) do
+ headers = get_req_header(conn, "authorization")
+
+ with :no_token_found <- fetch_token_str(headers),
+ do: fetch_token_from_session(conn)
+ end
+
+ @spec fetch_token_str(Keyword.t()) :: :no_token_found | {:ok, String.t()}
+ defp fetch_token_str([]), do: :no_token_found
+
+ defp fetch_token_str([token | tail]) do
+ trimmed_token = String.trim(token)
+
+ case Regex.run(@realm_reg, trimmed_token) do
+ [_, match] -> {:ok, String.trim(match)}
+ _ -> fetch_token_str(tail)
+ end
+ end