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} <- fetch_token(conn),
19 {:ok, user} <- fetch_user(token) do
20 assign(conn, :user, user)
28 @spec fetch_user(String.t()) :: {:ok, User.t()} | nil
29 defp fetch_user(token) do
30 query = from(q in Token, where: q.token == ^token, preload: [:user])
32 with %Token{user: %{info: %{deactivated: false} = _} = user} <- Repo.one(query) do
37 # Gets token from session by :oauth_token key
39 @spec fetch_token_from_session(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
40 defp fetch_token_from_session(conn) do
41 case get_session(conn, :oauth_token) do
42 nil -> :no_token_found
47 # Gets token from headers
49 @spec fetch_token(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
50 defp fetch_token(%Plug.Conn{} = conn) do
51 headers = get_req_header(conn, "authorization")
53 with :no_token_found <- fetch_token(headers),
54 do: fetch_token_from_session(conn)
57 @spec fetch_token(Keyword.t()) :: :no_token_found | {:ok, String.t()}
58 defp fetch_token([]), do: :no_token_found
60 defp fetch_token([token | tail]) do
61 trimmed_token = String.trim(token)
63 case Regex.run(@realm_reg, trimmed_token) do
64 [_, match] -> {:ok, String.trim(match)}
65 _ -> fetch_token(tail)