Add explicit configDB whitelist

config/config.exs

@@ -49,7 +49,9 @@ config :pleroma, ecto_repos: [Pleroma.Repo]
 config :pleroma, Pleroma.Repo,
   telemetry_event: [Pleroma.Repo.Instrumenter],
   queue_target: 20_000,
-  migration_lock: nil
+  migration_lock: nil,
+  parameters: [gin_fuzzy_search_limit: "500"],
+  prepare: :unnamed
 
 config :pleroma, Pleroma.Captcha,
   enabled: true,
@@ -75,6 +77,7 @@ config :pleroma, Pleroma.Uploaders.S3,
   truncated_namespace: nil,
   streaming_enabled: true
 
+# This cannot be configured in the database!
 config :ex_aws, :s3,
   # host: "s3.wasabisys.com", # required if not Amazon AWS
   access_key_id: nil,
@@ -792,17 +795,6 @@ config :pleroma, :web_cache_ttl,
 config :pleroma, :modules, runtime_dir: "instance/modules"
 
 config :pleroma, configurable_from_database: false
-# Don't allow arbitrary module config here, you can only
-# adjust our own config.
-config :pleroma,
-  database_config_whitelist: [
-    {:pleroma},
-    {:logger}
-  ]
-
-config :pleroma, Pleroma.Repo,
-  parameters: [gin_fuzzy_search_limit: "500"],
-  prepare: :unnamed
 
 config :pleroma, :majic_pool, size: 2
 

config/description.exs

@@ -1,16 +1,5 @@
 import Config
 
-websocket_config = [
-  path: "/websocket",
-  serializer: [
-    {Phoenix.Socket.V1.JSONSerializer, "~> 1.0.0"},
-    {Phoenix.Socket.V2.JSONSerializer, "~> 2.0.0"}
-  ],
-  timeout: 60_000,
-  transport_log: false,
-  compress: false
-]
-
 installed_frontend_options = [
   %{
     key: "name",

lib/pleroma/config/configurable_from_database.ex

@@ -0,0 +1,78 @@
+defmodule Pleroma.Config.ConfigurableFromDatabase do
+  # Basically it's silly to let this be configurable
+  # set a list of things that we can set in the database
+  # this is mostly our stuff, with some extra in there
+  @allowed_groups [
+    {:logger},
+    {:pleroma, Pleroma.Captcha},
+    {:pleroma, Pleroma.Captcha.Kocaptcha},
+    {:pleroma, Pleroma.Upload},
+    {:pleroma, Pleroma.Uploaders.Local},
+    {:pleroma, Pleroma.Uploaders.S3},
+    {:pleroma, :emoji},
+    {:pleroma, :http},
+    {:pleroma, :instance},
+    {:pleroma, :welcome},
+    {:pleroma, :feed},
+    {:pleroma, :markup},
+    {:pleroma, :frontend_configurations},
+    {:pleroma, :assets},
+    {:pleroma, :manifest},
+    {:pleroma, :activitypub},
+    {:pleroma, :streamer},
+    {:pleroma, :user},
+    {:pleroma, :mrf_normalize_markup},
+    {:pleroma, :mrf_rejectnonpublic},
+    {:pleroma, :mrf_hellthread},
+    {:pleroma, :mrf_simple},
+    {:pleroma, :mrf_keyword},
+    {:pleroma, :mrf_hashtag},
+    {:pleroma, :mrf_subchain},
+    {:pleroma, :mrf_activity_expiration},
+    {:pleroma, :mrf_vocabulary},
+    {:pleroma, :mrf_inline_quote},
+    {:pleroma, :mrf_object_age},
+    {:pleroma, :mrf_follow_bot},
+    {:pleroma, :mrf_reject_newly_created_account_notes},
+    {:pleroma, :rich_media},
+    {:pleroma, :media_proxy},
+    {:pleroma, Pleroma.Web.MediaProxy.Invalidation.Http},
+    {:pleroma, :media_preview_proxy},
+    {:pleroma, Pleroma.Web.Metadata},
+    {:pleroma, Pleroma.Web.Metadata.Providers.Theme},
+    {:pleroma, Pleroma.Web.Preload},
+    {:pleroma, :http_security},
+    {:pleroma, Pleroma.User},
+    {:pleroma, Oban},
+    {:pleroma, :workers},
+    {:pleroma, Pleroma.Formatter},
+    {:pleroma, Pleroma.Emails.Mailer},
+    {:pleroma, Pleroma.Emails.UserEmail},
+    {:pleroma, Pleroma.Emails.NewUsersDigestEmail},
+    {:pleroma, Pleroma.ScheduledActivity},
+    {:pleroma, :email_notifications},
+    {:pleroma, :oauth2},
+    {:pleroma, Pleroma.Web.Plugs.RemoteIp},
+    {:pleroma, :static_fe},
+    {:pleroma, :frontends},
+    {:pleroma, :web_cache_ttl},
+    {:pleroma, :majic_pool},
+    {:pleroma, :restrict_unauthenticated},
+    {:pleroma, Pleroma.Web.ApiSpec.CastAndValidate},
+    {:pleroma, :mrf},
+    {:pleroma, :instances_favicons},
+    {:pleroma, :instances_nodeinfo},
+    {:pleroma, Pleroma.User.Backup},
+    {:pleroma, ConcurrentLimiter},
+    {:pleroma, Pleroma.Web.WebFinger},
+    {:pleroma, Pleroma.Search},
+    {:pleroma, Pleroma.Search.Meilisearch},
+    {:pleroma, Pleroma.Search.Elasticsearch.Cluster},
+    {:pleroma, :translator},
+    {:pleroma, :deepl},
+    {:pleroma, :libre_translate}
+    # But not argostranslate, because executables!
+  ]
+
+  def allowed_groups, do: @allowed_groups
+end

lib/pleroma/web/admin_api/controllers/config_controller.ex

@@ -9,14 +9,6 @@ defmodule Pleroma.Web.AdminAPI.ConfigController do
   alias Pleroma.ConfigDB
   alias Pleroma.Web.Plugs.OAuthScopesPlug
 
-  @banned_in_db [
-    # this would make no sense if you could change it in the db
-    {:pleroma, :database_config_whitelist},
-    # called with System.cmd
-    {:pleroma, Pleroma.Web.MediaProxy.Invalidation.Script},
-    {:pleroma, :argos_translate}
-  ]
-
   plug(Pleroma.Web.ApiSpec.CastAndValidate)
   plug(OAuthScopesPlug, %{scopes: ["admin:write"]} when action == :update)
 
@@ -183,18 +175,14 @@ defmodule Pleroma.Web.AdminAPI.ConfigController do
   end
 
   defp whitelisted_config?(group, key) do
-    whitelisted =
-      :database_config_whitelist
-      |> Config.get([{:pleroma}])
-      |> Enum.any?(fn
-        {whitelisted_group} ->
-          group == inspect(whitelisted_group)
+    Pleroma.Config.ConfigurableFromDatabase.allowed_groups()
+    |> Enum.any?(fn
+      {whitelisted_group} ->
+        group == inspect(whitelisted_group)
 
-        {whitelisted_group, whitelisted_key} ->
-          group == inspect(whitelisted_group) && key == inspect(whitelisted_key)
-      end)
-
-    whitelisted && !disallowed_config?(group, key)
+      {whitelisted_group, whitelisted_key} ->
+        group == inspect(whitelisted_group) && key == inspect(whitelisted_key)
+    end)
   end
 
   defp whitelisted_config?(%{group: group, key: key}) do
@@ -204,14 +192,4 @@ defmodule Pleroma.Web.AdminAPI.ConfigController do
   defp whitelisted_config?(%{group: group} = config) do
     whitelisted_config?(group, config[:key])
   end
-
-  defp disallowed_config?(group, key) do
-    Enum.any?(@banned_in_db, fn
-      {disallowed_group} ->
-        group == inspect(disallowed_group)
-
-      {disallowed_group, disallowed_key} ->
-        group == inspect(disallowed_group) && key == inspect(disallowed_key)
-    end)
-  end
 end

test/pleroma/web/admin_api/controllers/config_controller_test.exs

@@ -38,58 +38,32 @@ defmodule Pleroma.Web.AdminAPI.ConfigControllerTest do
               %{tuple: [":path", "sh"]},
               %{tuple: [":args", ["-c", "echo pwnd > /tmp/a"]]}
             ]
-          }
-        ]
-      }
-
-      clear_config([:database_config_whitelist], [{:pleroma}])
-
-      resp_that_should_not_work =
-        conn
-        |> post(~p"/api/v1/pleroma/admin/config", banned_config)
-        |> json_response_and_validate_schema(200)
-
-      assert Enum.empty?(resp_that_should_not_work["configs"])
-
-      clear_config([:database_config_whitelist], [{:mogrify}])
-
-      resp_that_should_work =
-        conn
-        |> post(~p"/api/v1/pleroma/admin/config", banned_config)
-        |> json_response_and_validate_schema(200)
-
-      refute Enum.empty?(resp_that_should_work["configs"])
-    end
-
-    test "Refuses to update strictly disallowed options", %{conn: conn} do
-      banned_config = %{
-        configs: [
-          %{
-            group: ":pleroma",
-            key: ":database_config_whitelist",
-            value: [":pleroma"]
           },
           %{
             group: ":pleroma",
-            key: ":argos_translate",
+            key: ":http",
             value: [
-              %{tuple: [":command_argospm", "/opt/oepsiewoepsie"]}
+              %{tuple: ["wow", "nice"]}
             ]
-          },
-          %{
-            group: ":pleroma",
-            key: "Pleroma.Web.MediaProxy.Invalidation.Script",
-            value: "wowee"
           }
         ]
       }
 
-      resp_that_should_not_work =
+      resp =
         conn
         |> post(~p"/api/v1/pleroma/admin/config", banned_config)
         |> json_response_and_validate_schema(200)
 
-      assert Enum.empty?(resp_that_should_not_work["configs"])
+      # It should basically just throw out the mogrify option
+      assert Enum.count(resp["configs"]) == 1
+
+      assert %{
+               "configs" => [
+                 %{
+                   "group" => ":pleroma"
+                 }
+               ]
+             } = resp
     end
   end
 end