Merge branch 'openapi/admin/config' into 'develop'

Add OpenAPI spec to AdminAPI.ConfigController

See merge request pleroma/pleroma!2606

4 files changed, 298 insertions, 130 deletions

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 467d05375..bf24581cc 100644
--- a/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/admin_api_controller.ex
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   import Pleroma.Web.ControllerHelper, only: [json_response: 3]
 
   alias Pleroma.Config
-  alias Pleroma.ConfigDB
   alias Pleroma.MFA
   alias Pleroma.ModerationLog
   alias Pleroma.Plugs.OAuthScopesPlug
@@ -20,7 +19,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.AdminAPI
   alias Pleroma.Web.AdminAPI.AccountView
-  alias Pleroma.Web.AdminAPI.ConfigView
   alias Pleroma.Web.AdminAPI.ModerationLogView
   alias Pleroma.Web.AdminAPI.Search
   alias Pleroma.Web.Endpoint
@@ -28,7 +26,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
 
   require Logger
 
-  @descriptions Pleroma.Docs.JSON.compile()
   @users_page_size 50
 
   plug(
@@ -75,11 +72,9 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     OAuthScopesPlug,
     %{scopes: ["read"], admin: true}
     when action in [
-           :config_show,
            :list_log,
            :stats,
            :relay_list,
-           :config_descriptions,
            :need_reboot
          ]
   )
@@ -89,7 +84,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     %{scopes: ["write"], admin: true}
     when action in [
            :restart,
-           :config_update,
            :resend_confirmation_email,
            :confirm_email,
            :reload_emoji
@@ -645,105 +639,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     |> render("index.json", %{log: log})
   end
 
-  def config_descriptions(conn, _params) do
-    descriptions = Enum.filter(@descriptions, &whitelisted_config?/1)
-
-    json(conn, descriptions)
-  end
-
-  def config_show(conn, %{"only_db" => true}) do
-    with :ok <- configurable_from_database() do
-      configs = Pleroma.Repo.all(ConfigDB)
-
-      conn
-      |> put_view(ConfigView)
-      |> render("index.json", %{configs: configs})
-    end
-  end
-
-  def config_show(conn, _params) do
-    with :ok <- configurable_from_database() do
-      configs = ConfigDB.get_all_as_keyword()
-
-      merged =
-        Config.Holder.default_config()
-        |> ConfigDB.merge(configs)
-        |> Enum.map(fn {group, values} ->
-          Enum.map(values, fn {key, value} ->
-            db =
-              if configs[group][key] do
-                ConfigDB.get_db_keys(configs[group][key], key)
-              end
-
-            db_value = configs[group][key]
-
-            merged_value =
-              if !is_nil(db_value) and Keyword.keyword?(db_value) and
-                   ConfigDB.sub_key_full_update?(group, key, Keyword.keys(db_value)) do
-                ConfigDB.merge_group(group, key, value, db_value)
-              else
-                value
-              end
-
-            setting = %{
-              group: ConfigDB.convert(group),
-              key: ConfigDB.convert(key),
-              value: ConfigDB.convert(merged_value)
-            }
-
-            if db, do: Map.put(setting, :db, db), else: setting
-          end)
-        end)
-        |> List.flatten()
-
-      json(conn, %{configs: merged, need_reboot: Restarter.Pleroma.need_reboot?()})
-    end
-  end
-
-  def config_update(conn, %{"configs" => configs}) do
-    with :ok <- configurable_from_database() do
-      {_errors, results} =
-        configs
-        |> Enum.filter(&whitelisted_config?/1)
-        |> Enum.map(fn
-          %{"group" => group, "key" => key, "delete" => true} = params ->
-            ConfigDB.delete(%{group: group, key: key, subkeys: params["subkeys"]})
-
-          %{"group" => group, "key" => key, "value" => value} ->
-            ConfigDB.update_or_create(%{group: group, key: key, value: value})
-        end)
-        |> Enum.split_with(fn result -> elem(result, 0) == :error end)
-
-      {deleted, updated} =
-        results
-        |> Enum.map(fn {:ok, config} ->
-          Map.put(config, :db, ConfigDB.get_db_keys(config))
-        end)
-        |> Enum.split_with(fn config ->
-          Ecto.get_meta(config, :state) == :deleted
-        end)
-
-      Config.TransferTask.load_and_update_env(deleted, false)
-
-      if !Restarter.Pleroma.need_reboot?() do
-        changed_reboot_settings? =
-          (updated ++ deleted)
-          |> Enum.any?(fn config ->
-            group = ConfigDB.from_string(config.group)
-            key = ConfigDB.from_string(config.key)
-            value = ConfigDB.from_binary(config.value)
-            Config.TransferTask.pleroma_need_restart?(group, key, value)
-          end)
-
-        if changed_reboot_settings?, do: Restarter.Pleroma.need_reboot()
-      end
-
-      conn
-      |> put_view(ConfigView)
-      |> render("index.json", %{configs: updated, need_reboot: Restarter.Pleroma.need_reboot?()})
-    end
-  end
-
   def restart(conn, _params) do
     with :ok <- configurable_from_database() do
       Restarter.Pleroma.restart(Config.get(:env), 50)
@@ -764,28 +659,6 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     end
   end
 
-  defp whitelisted_config?(group, key) do
-    if whitelisted_configs = Config.get(:database_config_whitelist) do
-      Enum.any?(whitelisted_configs, fn
-        {whitelisted_group} ->
-          group == inspect(whitelisted_group)
-
-        {whitelisted_group, whitelisted_key} ->
-          group == inspect(whitelisted_group) && key == inspect(whitelisted_key)
-      end)
-    else
-      true
-    end
-  end
-
-  defp whitelisted_config?(%{"group" => group, "key" => key}) do
-    whitelisted_config?(group, key)
-  end
-
-  defp whitelisted_config?(%{:group => group} = config) do
-    whitelisted_config?(group, config[:key])
-  end
-
   def reload_emoji(conn, _params) do
     Pleroma.Emoji.reload()
 
diff --git a/lib/pleroma/web/admin_api/controllers/config_controller.ex b/lib/pleroma/web/admin_api/controllers/config_controller.ex
new file mode 100644
index 000000000..e221d9418
--- /dev/null
+++ b/lib/pleroma/web/admin_api/controllers/config_controller.ex
@@ -0,0 +1,153 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.ConfigController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Config
+  alias Pleroma.ConfigDB
+  alias Pleroma.Plugs.OAuthScopesPlug
+
+  @descriptions Pleroma.Docs.JSON.compile()
+
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
+  plug(OAuthScopesPlug, %{scopes: ["write"], admin: true} when action == :update)
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read"], admin: true}
+    when action in [:show, :descriptions]
+  )
+
+  action_fallback(Pleroma.Web.AdminAPI.FallbackController)
+
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.Admin.ConfigOperation
+
+  def descriptions(conn, _params) do
+    descriptions = Enum.filter(@descriptions, &whitelisted_config?/1)
+
+    json(conn, descriptions)
+  end
+
+  def show(conn, %{only_db: true}) do
+    with :ok <- configurable_from_database() do
+      configs = Pleroma.Repo.all(ConfigDB)
+      render(conn, "index.json", %{configs: configs})
+    end
+  end
+
+  def show(conn, _params) do
+    with :ok <- configurable_from_database() do
+      configs = ConfigDB.get_all_as_keyword()
+
+      merged =
+        Config.Holder.default_config()
+        |> ConfigDB.merge(configs)
+        |> Enum.map(fn {group, values} ->
+          Enum.map(values, fn {key, value} ->
+            db =
+              if configs[group][key] do
+                ConfigDB.get_db_keys(configs[group][key], key)
+              end
+
+            db_value = configs[group][key]
+
+            merged_value =
+              if not is_nil(db_value) and Keyword.keyword?(db_value) and
+                   ConfigDB.sub_key_full_update?(group, key, Keyword.keys(db_value)) do
+                ConfigDB.merge_group(group, key, value, db_value)
+              else
+                value
+              end
+
+            setting = %{
+              group: ConfigDB.convert(group),
+              key: ConfigDB.convert(key),
+              value: ConfigDB.convert(merged_value)
+            }
+
+            if db, do: Map.put(setting, :db, db), else: setting
+          end)
+        end)
+        |> List.flatten()
+
+      json(conn, %{configs: merged, need_reboot: Restarter.Pleroma.need_reboot?()})
+    end
+  end
+
+  def update(%{body_params: %{configs: configs}} = conn, _) do
+    with :ok <- configurable_from_database() do
+      results =
+        configs
+        |> Enum.filter(&whitelisted_config?/1)
+        |> Enum.map(fn
+          %{group: group, key: key, delete: true} = params ->
+            ConfigDB.delete(%{group: group, key: key, subkeys: params[:subkeys]})
+
+          %{group: group, key: key, value: value} ->
+            ConfigDB.update_or_create(%{group: group, key: key, value: value})
+        end)
+        |> Enum.reject(fn {result, _} -> result == :error end)
+
+      {deleted, updated} =
+        results
+        |> Enum.map(fn {:ok, config} ->
+          Map.put(config, :db, ConfigDB.get_db_keys(config))
+        end)
+        |> Enum.split_with(fn config ->
+          Ecto.get_meta(config, :state) == :deleted
+        end)
+
+      Config.TransferTask.load_and_update_env(deleted, false)
+
+      if not Restarter.Pleroma.need_reboot?() do
+        changed_reboot_settings? =
+          (updated ++ deleted)
+          |> Enum.any?(fn config ->
+            group = ConfigDB.from_string(config.group)
+            key = ConfigDB.from_string(config.key)
+            value = ConfigDB.from_binary(config.value)
+            Config.TransferTask.pleroma_need_restart?(group, key, value)
+          end)
+
+        if changed_reboot_settings?, do: Restarter.Pleroma.need_reboot()
+      end
+
+      render(conn, "index.json", %{
+        configs: updated,
+        need_reboot: Restarter.Pleroma.need_reboot?()
+      })
+    end
+  end
+
+  defp configurable_from_database do
+    if Config.get(:configurable_from_database) do
+      :ok
+    else
+      {:error, "To use this endpoint you need to enable configuration from database."}
+    end
+  end
+
+  defp whitelisted_config?(group, key) do
+    if whitelisted_configs = Config.get(:database_config_whitelist) do
+      Enum.any?(whitelisted_configs, fn
+        {whitelisted_group} ->
+          group == inspect(whitelisted_group)
+
+        {whitelisted_group, whitelisted_key} ->
+          group == inspect(whitelisted_group) && key == inspect(whitelisted_key)
+      end)
+    else
+      true
+    end
+  end
+
+  defp whitelisted_config?(%{group: group, key: key}) do
+    whitelisted_config?(group, key)
+  end
+
+  defp whitelisted_config?(%{group: group} = config) do
+    whitelisted_config?(group, config[:key])
+  end
+end
diff --git a/lib/pleroma/web/api_spec/operations/admin/config_operation.ex b/lib/pleroma/web/api_spec/operations/admin/config_operation.ex
new file mode 100644
index 000000000..7b38a2ef4
--- /dev/null
+++ b/lib/pleroma/web/api_spec/operations/admin/config_operation.ex
@@ -0,0 +1,142 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Admin.ConfigOperation do
+  alias OpenApiSpex.Operation
+  alias OpenApiSpex.Schema
+  alias Pleroma.Web.ApiSpec.Schemas.ApiError
+
+  import Pleroma.Web.ApiSpec.Helpers
+
+  def open_api_operation(action) do
+    operation = String.to_existing_atom("#{action}_operation")
+    apply(__MODULE__, operation, [])
+  end
+
+  def show_operation do
+    %Operation{
+      tags: ["Admin", "Config"],
+      summary: "Get list of merged default settings with saved in database",
+      operationId: "AdminAPI.ConfigController.show",
+      parameters: [
+        Operation.parameter(
+          :only_db,
+          :query,
+          %Schema{type: :boolean, default: false},
+          "Get only saved in database settings"
+        )
+      ],
+      security: [%{"oAuth" => ["read"]}],
+      responses: %{
+        200 => Operation.response("Config", "application/json", config_response()),
+        400 => Operation.response("Bad Request", "application/json", ApiError)
+      }
+    }
+  end
+
+  def update_operation do
+    %Operation{
+      tags: ["Admin", "Config"],
+      summary: "Update config settings",
+      operationId: "AdminAPI.ConfigController.update",
+      security: [%{"oAuth" => ["write"]}],
+      requestBody:
+        request_body("Parameters", %Schema{
+          type: :object,
+          properties: %{
+            configs: %Schema{
+              type: :array,
+              items: %Schema{
+                type: :object,
+                properties: %{
+                  group: %Schema{type: :string},
+                  key: %Schema{type: :string},
+                  value: any(),
+                  delete: %Schema{type: :boolean},
+                  subkeys: %Schema{type: :array, items: %Schema{type: :string}}
+                }
+              }
+            }
+          }
+        }),
+      responses: %{
+        200 => Operation.response("Config", "application/json", config_response()),
+        400 => Operation.response("Bad Request", "application/json", ApiError)
+      }
+    }
+  end
+
+  def descriptions_operation do
+    %Operation{
+      tags: ["Admin", "Config"],
+      summary: "Get JSON with config descriptions.",
+      operationId: "AdminAPI.ConfigController.descriptions",
+      security: [%{"oAuth" => ["read"]}],
+      responses: %{
+        200 =>
+          Operation.response("Config Descriptions", "application/json", %Schema{
+            type: :array,
+            items: %Schema{
+              type: :object,
+              properties: %{
+                group: %Schema{type: :string},
+                key: %Schema{type: :string},
+                type: %Schema{oneOf: [%Schema{type: :string}, %Schema{type: :array}]},
+                description: %Schema{type: :string},
+                children: %Schema{
+                  type: :array,
+                  items: %Schema{
+                    type: :object,
+                    properties: %{
+                      key: %Schema{type: :string},
+                      type: %Schema{oneOf: [%Schema{type: :string}, %Schema{type: :array}]},
+                      description: %Schema{type: :string},
+                      suggestions: %Schema{type: :array}
+                    }
+                  }
+                }
+              }
+            }
+          }),
+        400 => Operation.response("Bad Request", "application/json", ApiError)
+      }
+    }
+  end
+
+  defp any do
+    %Schema{
+      oneOf: [
+        %Schema{type: :array},
+        %Schema{type: :object},
+        %Schema{type: :string},
+        %Schema{type: :integer},
+        %Schema{type: :boolean}
+      ]
+    }
+  end
+
+  defp config_response do
+    %Schema{
+      type: :object,
+      properties: %{
+        configs: %Schema{
+          type: :array,
+          items: %Schema{
+            type: :object,
+            properties: %{
+              group: %Schema{type: :string},
+              key: %Schema{type: :string},
+              value: any()
+            }
+          }
+        },
+        need_reboot: %Schema{
+          type: :boolean,
+          description:
+            "If `need_reboot` is `true`, instance must be restarted, so reboot time settings can take effect"
+        }
+      }
+    }
+  end
+end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 80ea28364..9922a0944 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -194,9 +194,9 @@ defmodule Pleroma.Web.Router do
     delete("/statuses/:id", StatusController, :delete)
     get("/statuses", StatusController, :index)
 
-    get("/config", AdminAPIController, :config_show)
-    post("/config", AdminAPIController, :config_update)
-    get("/config/descriptions", AdminAPIController, :config_descriptions)
+    get("/config", ConfigController, :show)
+    post("/config", ConfigController, :update)
+    get("/config/descriptions", ConfigController, :descriptions)
     get("/need_reboot", AdminAPIController, :need_reboot)
     get("/restart", AdminAPIController, :restart)