1 defmodule Pleroma.Plugs.OAuthPlug do
11 @realm_reg Regex.compile!("Bearer\:?\s+(.*)$", "i")
13 def init(options), do: options
15 def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
18 with {:ok, token_str} <- fetch_token_str(conn),
19 {:ok, user, token_record} <- fetch_user_and_token(token_str) do
21 |> assign(:token, token_record)
22 |> assign(:user, user)
30 @spec fetch_user_and_token(String.t()) :: {:ok, User.t(), Token.t()} | nil
31 defp fetch_user_and_token(token) do
32 query = from(q in Token, where: q.token == ^token, preload: [:user])
34 with %Token{user: %{info: %{deactivated: false} = _} = user} = token_record <- Repo.one(query) do
35 {:ok, user, token_record}
39 # Gets token from session by :oauth_token key
41 @spec fetch_token_from_session(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
42 defp fetch_token_from_session(conn) do
43 case get_session(conn, :oauth_token) do
44 nil -> :no_token_found
49 # Gets token from headers
51 @spec fetch_token_str(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
52 defp fetch_token_str(%Plug.Conn{} = conn) do
53 headers = get_req_header(conn, "authorization")
55 with :no_token_found <- fetch_token_str(headers),
56 do: fetch_token_from_session(conn)
59 @spec fetch_token_str(Keyword.t()) :: :no_token_found | {:ok, String.t()}
60 defp fetch_token_str([]), do: :no_token_found
62 defp fetch_token_str([token | tail]) do
63 trimmed_token = String.trim(token)
65 case Regex.run(@realm_reg, trimmed_token) do
66 [_, match] -> {:ok, String.trim(match)}
67 _ -> fetch_token_str(tail)