git.squeep.com Git - akkoma/blob - lib/pleroma/web/auth/authenticator.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.Auth.Authenticator do
   6   alias Pleroma.Registration
   7   alias Pleroma.User
   8
   9   def implementation do
  10     Pleroma.Config.get(
  11       Pleroma.Web.Auth.Authenticator,
  12       Pleroma.Web.Auth.PleromaAuthenticator
  13     )
  14   end
  15
  16   @callback get_user(Plug.Conn.t()) :: {:ok, User.t()} | {:error, any()}
  17   def get_user(plug), do: implementation().get_user(plug)
  18
  19   @callback create_from_registration(Plug.Conn.t(), Registration.t()) ::
  20               {:ok, User.t()} | {:error, any()}
  21   def create_from_registration(plug, registration),
  22     do: implementation().create_from_registration(plug, registration)
  23
  24   @callback get_registration(Plug.Conn.t()) :: {:ok, Registration.t()} | {:error, any()}
  25   def get_registration(plug), do: implementation().get_registration(plug)
  26
  27   @callback handle_error(Plug.Conn.t(), any()) :: any()
  28   def handle_error(plug, error),
  29     do: implementation().handle_error(plug, error)
  30
  31   @callback auth_template() :: String.t() | nil
  32   def auth_template do
  33     # Note: `config :pleroma, :auth_template, "..."` support is deprecated
  34     implementation().auth_template() ||
  35       Pleroma.Config.get([:auth, :auth_template], Pleroma.Config.get(:auth_template)) ||
  36       "show.html"
  37   end
  38
  39   @callback oauth_consumer_template() :: String.t() | nil
  40   def oauth_consumer_template do
  41     implementation().oauth_consumer_template() ||
  42       Pleroma.Config.get([:auth, :oauth_consumer_template], "consumer.html")
  43   end
  44
  45   @doc "Gets user by nickname or email for auth."
  46   @spec fetch_user(String.t()) :: User.t() | nil
  47   def fetch_user(name) do
  48     User.get_by_nickname_or_email(name)
  49   end
  50
  51   # Gets name and password from conn
  52   #
  53   @spec fetch_credentials(Plug.Conn.t() | map()) ::
  54           {:ok, {name :: any, password :: any}} | {:error, :invalid_credentials}
  55   def fetch_credentials(%Plug.Conn{params: params} = _),
  56     do: fetch_credentials(params)
  57
  58   def fetch_credentials(params) do
  59     case params do
  60       %{"authorization" => %{"name" => name, "password" => password}} ->
  61         {:ok, {name, password}}
  62
  63       %{"grant_type" => "password", "username" => name, "password" => password} ->
  64         {:ok, {name, password}}
  65
  66       _ ->
  67         {:error, :invalid_credentials}
  68     end
  69   end
  70 end