From 3249141588c8f73f1958f782041798fbde05e69f Mon Sep 17 00:00:00 2001
From: Alexander Strizhakov <alex.strizhakov@gmail.com>
Date: Wed, 27 May 2020 09:42:28 +0300
Subject: [PATCH] validate actor type

---
 docs/API/admin_api.md                         | 18 +++++++++-
 lib/pleroma/user.ex                           |  5 +--
 .../controllers/admin_api_controller.ex       | 13 ++++---
 .../controllers/admin_api_controller_test.exs | 35 ++++++++++++++++---
 4 files changed, 60 insertions(+), 11 deletions(-)

diff --git a/docs/API/admin_api.md b/docs/API/admin_api.md
index c455047cc..639c3224d 100644
--- a/docs/API/admin_api.md
+++ b/docs/API/admin_api.md
@@ -511,7 +511,23 @@ Note: Available `:permission_group` is currently moderator and admin. 404 is ret
   - `discoverable`
   - `actor_type`
 
-- Response: none (code `200`)
+- Response:
+
+```json
+{"status": "success"}
+```
+
+```json
+{"errors":
+  {"actor_type": "is invalid"},
+  {"email": "has invalid format"},
+  ...
+ }
+```
+
+```json
+{"error": "Unable to update user."}
+```
 
 ## `GET /api/pleroma/admin/reports`
 
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 842b28c06..2684e1139 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -538,9 +538,10 @@ defmodule Pleroma.User do
     |> delete_change(:also_known_as)
     |> unique_constraint(:email)
     |> validate_format(:email, @email_regex)
+    |> validate_inclusion(:actor_type, ["Person", "Service"])
   end
 
-  @spec update_as_admin(%User{}, map) :: {:ok, User.t()} | {:error, Ecto.Changeset.t()}
+  @spec update_as_admin(User.t(), map()) :: {:ok, User.t()} | {:error, Changeset.t()}
   def update_as_admin(user, params) do
     params = Map.put(params, "password_confirmation", params["password"])
     changeset = update_as_admin_changeset(user, params)
@@ -561,7 +562,7 @@ defmodule Pleroma.User do
     |> put_change(:password_reset_pending, false)
   end
 
-  @spec reset_password(User.t(), map) :: {:ok, User.t()} | {:error, Ecto.Changeset.t()}
+  @spec reset_password(User.t(), map()) :: {:ok, User.t()} | {:error, Changeset.t()}
   def reset_password(%User{} = user, params) do
     reset_password(user, user, params)
   end
diff --git a/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex b/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
index 6b1d64a2e..6aedccec6 100644
--- a/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
@@ -693,7 +693,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
         %{assigns: %{user: admin}} = conn,
         %{"nickname" => nickname} = params
       ) do
-    with {_, user} <- {:user, User.get_cached_by_nickname(nickname)},
+    with {_, %User{} = user} <- {:user, User.get_cached_by_nickname(nickname)},
          {:ok, _user} <-
            User.update_as_admin(user, params) do
       ModerationLog.insert_log(%{
@@ -715,11 +715,16 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
       json(conn, %{status: "success"})
     else
       {:error, changeset} ->
-        {_, {error, _}} = Enum.at(changeset.errors, 0)
-        json(conn, %{error: "New password #{error}."})
+        errors =
+          Enum.reduce(changeset.errors, %{}, fn
+            {key, {error, _}}, acc ->
+              Map.put(acc, key, error)
+          end)
+
+        json(conn, %{errors: errors})
 
       _ ->
-        json(conn, %{error: "Unable to change password."})
+        json(conn, %{error: "Unable to update user."})
     end
   end
 
diff --git a/test/web/admin_api/controllers/admin_api_controller_test.exs b/test/web/admin_api/controllers/admin_api_controller_test.exs
index 321840a8c..ead840186 100644
--- a/test/web/admin_api/controllers/admin_api_controller_test.exs
+++ b/test/web/admin_api/controllers/admin_api_controller_test.exs
@@ -3191,8 +3191,12 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
   end
 
   describe "PATCH /users/:nickname/credentials" do
-    test "changes password and email", %{conn: conn, admin: admin} do
+    setup do
       user = insert(:user)
+      [user: user]
+    end
+
+    test "changes password and email", %{conn: conn, admin: admin, user: user} do
       assert user.password_reset_pending == false
 
       conn =
@@ -3222,9 +3226,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
                "@#{admin.nickname} forced password reset for users: @#{user.nickname}"
     end
 
-    test "returns 403 if requested by a non-admin" do
-      user = insert(:user)
-
+    test "returns 403 if requested by a non-admin", %{user: user} do
       conn =
         build_conn()
         |> assign(:user, user)
@@ -3236,6 +3238,31 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIControllerTest do
 
       assert json_response(conn, :forbidden)
     end
+
+    test "changes actor type from permitted list", %{conn: conn, user: user} do
+      assert user.actor_type == "Person"
+
+      assert patch(conn, "/api/pleroma/admin/users/#{user.nickname}/credentials", %{
+               "actor_type" => "Service"
+             })
+             |> json_response(200) == %{"status" => "success"}
+
+      updated_user = User.get_by_id(user.id)
+
+      assert updated_user.actor_type == "Service"
+
+      assert patch(conn, "/api/pleroma/admin/users/#{user.nickname}/credentials", %{
+               "actor_type" => "Application"
+             })
+             |> json_response(200) == %{"errors" => %{"actor_type" => "is invalid"}}
+    end
+
+    test "update non existing user", %{conn: conn} do
+      assert patch(conn, "/api/pleroma/admin/users/non-existing/credentials", %{
+               "password" => "new_password"
+             })
+             |> json_response(200) == %{"error" => "Unable to update user."}
+    end
   end
 
   describe "PATCH /users/:nickname/force_password_reset" do
-- 
2.45.2