Merge branch 'develop' of git.pleroma.social:pleroma/pleroma into feature/undo-validator-reduced

lib/pleroma/web/pleroma_api/controllers/two_factor_authentication_controller.ex

@@ -0,0 +1,133 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.PleromaAPI.TwoFactorAuthenticationController do
+  @moduledoc "The module represents actions to manage MFA"
+  use Pleroma.Web, :controller
+
+  import Pleroma.Web.ControllerHelper, only: [json_response: 3]
+
+  alias Pleroma.MFA
+  alias Pleroma.MFA.TOTP
+  alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.Web.CommonAPI.Utils
+
+  plug(OAuthScopesPlug, %{scopes: ["read:security"]} when action in [:settings])
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["write:security"]} when action in [:setup, :confirm, :disable, :backup_codes]
+  )
+
+  @doc """
+  Gets user multi factor authentication settings
+
+  ## Endpoint
+  GET /api/pleroma/accounts/mfa
+
+  """
+  def settings(%{assigns: %{user: user}} = conn, _params) do
+    json(conn, %{settings: MFA.mfa_settings(user)})
+  end
+
+  @doc """
+  Prepare setup mfa method
+
+  ## Endpoint
+  GET /api/pleroma/accounts/mfa/setup/[:method]
+
+  """
+  def setup(%{assigns: %{user: user}} = conn, %{"method" => "totp"} = _params) do
+    with {:ok, user} <- MFA.setup_totp(user),
+         %{secret: secret} = _ <- user.multi_factor_authentication_settings.totp do
+      provisioning_uri = TOTP.provisioning_uri(secret, "#{user.email}")
+
+      json(conn, %{provisioning_uri: provisioning_uri, key: secret})
+    else
+      {:error, message} ->
+        json_response(conn, :unprocessable_entity, %{error: message})
+    end
+  end
+
+  def setup(conn, _params) do
+    json_response(conn, :bad_request, %{error: "undefined method"})
+  end
+
+  @doc """
+  Confirms setup and enable mfa method
+
+  ## Endpoint
+  POST /api/pleroma/accounts/mfa/confirm/:method
+
+  - params:
+  `code` - confirmation code
+  `password` - current password
+  """
+  def confirm(
+        %{assigns: %{user: user}} = conn,
+        %{"method" => "totp", "password" => _, "code" => _} = params
+      ) do
+    with {:ok, _user} <- Utils.confirm_current_password(user, params["password"]),
+         {:ok, _user} <- MFA.confirm_totp(user, params) do
+      json(conn, %{})
+    else
+      {:error, message} ->
+        json_response(conn, :unprocessable_entity, %{error: message})
+    end
+  end
+
+  def confirm(conn, _) do
+    json_response(conn, :bad_request, %{error: "undefined mfa method"})
+  end
+
+  @doc """
+  Disable mfa method and disable mfa if need.
+  """
+  def disable(%{assigns: %{user: user}} = conn, %{"method" => "totp"} = params) do
+    with {:ok, user} <- Utils.confirm_current_password(user, params["password"]),
+         {:ok, _user} <- MFA.disable_totp(user) do
+      json(conn, %{})
+    else
+      {:error, message} ->
+        json_response(conn, :unprocessable_entity, %{error: message})
+    end
+  end
+
+  def disable(%{assigns: %{user: user}} = conn, %{"method" => "mfa"} = params) do
+    with {:ok, user} <- Utils.confirm_current_password(user, params["password"]),
+         {:ok, _user} <- MFA.disable(user) do
+      json(conn, %{})
+    else
+      {:error, message} ->
+        json_response(conn, :unprocessable_entity, %{error: message})
+    end
+  end
+
+  def disable(conn, _) do
+    json_response(conn, :bad_request, %{error: "undefined mfa method"})
+  end
+
+  @doc """
+  Generates backup codes.
+
+  ## Endpoint
+  GET /api/pleroma/accounts/mfa/backup_codes
+
+  ## Response
+  ### Success
+  `{codes: [codes]}`
+
+  ### Error
+  `{error: [error_message]}`
+
+  """
+  def backup_codes(%{assigns: %{user: user}} = conn, _params) do
+    with {:ok, codes} <- MFA.generate_backup_codes(user) do
+      json(conn, %{codes: codes})
+    else
+      {:error, message} ->
+        json_response(conn, :unprocessable_entity, %{error: message})
+    end
+  end
+end