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   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.MongooseIM.MongooseIMController do
   6   use Pleroma.Web, :controller
   7
   8   alias Pleroma.Plugs.RateLimiter
   9   alias Pleroma.Repo
  10   alias Pleroma.User
  11
  12   plug(RateLimiter, [name: :authentication] when action in [:user_exists, :check_password])
  13   plug(RateLimiter, [name: :authentication, params: ["user"]] when action == :check_password)
  14
  15   def user_exists(conn, %{"user" => username}) do
  16     with %User{} <- Repo.get_by(User, nickname: username, local: true, deactivated: false) do
  17       conn
  18       |> json(true)
  19     else
  20       _ ->
  21         conn
  22         |> put_status(:not_found)
  23         |> json(false)
  24     end
  25   end
  26
  27   def check_password(conn, %{"user" => username, "pass" => password}) do
  28     with %User{password_hash: password_hash, deactivated: false} <-
  29            Repo.get_by(User, nickname: username, local: true),
  30          true <- Pbkdf2.verify_pass(password, password_hash) do
  31       conn
  32       |> json(true)
  33     else
  34       false ->
  35         conn
  36         |> put_status(:forbidden)
  37         |> json(false)
  38
  39       _ ->
  40         conn
  41         |> put_status(:not_found)
  42         |> json(false)
  43     end
  44   end
  45 end