Fix merge conflict in CHANGELOG.md

lib/pleroma/application.ex

@@ -61,6 +61,11 @@ defmodule Pleroma.Application do
 
     adapter = Application.get_env(:tesla, :adapter)
 
+    if match?({Tesla.Adapter.Finch, _}, adapter) do
+      Logger.info("Starting Finch")
+      Finch.start_link(name: MyFinch)
+    end
+
     if adapter == Tesla.Adapter.Gun do
       if version = Pleroma.OTPVersion.version() do
         [major, minor] =

lib/pleroma/reverse_proxy/client/wrapper.ex

@@ -25,5 +25,6 @@ defmodule Pleroma.ReverseProxy.Client.Wrapper do
 
   defp client(Tesla.Adapter.Hackney), do: Pleroma.ReverseProxy.Client.Hackney
   defp client(Tesla.Adapter.Gun), do: Pleroma.ReverseProxy.Client.Tesla
+  defp client({Tesla.Adapter.Finch, _}), do: Pleroma.ReverseProxy.Client.Hackney
   defp client(_), do: Pleroma.Config.get!(Pleroma.ReverseProxy.Client)
 end

lib/pleroma/telemetry/logger.ex

@@ -12,10 +12,16 @@ defmodule Pleroma.Telemetry.Logger do
     [:pleroma, :connection_pool, :reclaim, :stop],
     [:pleroma, :connection_pool, :provision_failure],
     [:pleroma, :connection_pool, :client, :dead],
-    [:pleroma, :connection_pool, :client, :add]
+    [:pleroma, :connection_pool, :client, :add],
+    [:pleroma, :repo, :query]
   ]
   def attach do
-    :telemetry.attach_many("pleroma-logger", @events, &handle_event/4, [])
+    :telemetry.attach_many(
+      "pleroma-logger",
+      @events,
+      &Pleroma.Telemetry.Logger.handle_event/4,
+      []
+    )
   end
 
   # Passing anonymous functions instead of strings to logger is intentional,
@@ -87,4 +93,64 @@ defmodule Pleroma.Telemetry.Logger do
   end
 
   def handle_event([:pleroma, :connection_pool, :client, :add], _, _, _), do: :ok
+
+  def handle_event(
+        [:pleroma, :repo, :query] = _name,
+        %{query_time: query_time} = measurements,
+        %{source: source} = metadata,
+        config
+      ) do
+    logging_config = Pleroma.Config.get([:telemetry, :slow_queries_logging], [])
+
+    if logging_config[:enabled] &&
+         logging_config[:min_duration] &&
+         query_time > logging_config[:min_duration] and
+         (is_nil(logging_config[:exclude_sources]) or
+            source not in logging_config[:exclude_sources]) do
+      log_slow_query(measurements, metadata, config)
+    else
+      :ok
+    end
+  end
+
+  defp log_slow_query(
+         %{query_time: query_time} = _measurements,
+         %{source: _source, query: query, params: query_params, repo: repo} = _metadata,
+         _config
+       ) do
+    sql_explain =
+      with {:ok, %{rows: explain_result_rows}} <-
+             repo.query("EXPLAIN " <> query, query_params, log: false) do
+        Enum.map_join(explain_result_rows, "\n", & &1)
+      end
+
+    {:current_stacktrace, stacktrace} = Process.info(self(), :current_stacktrace)
+
+    pleroma_stacktrace =
+      Enum.filter(stacktrace, fn
+        {__MODULE__, _, _, _} ->
+          false
+
+        {mod, _, _, _} ->
+          mod
+          |> to_string()
+          |> String.starts_with?("Elixir.Pleroma.")
+      end)
+
+    Logger.warn(fn ->
+      """
+      Slow query!
+
+      Total time: #{round(query_time / 1_000)} ms
+
+      #{query}
+
+      #{inspect(query_params, limit: :infinity)}
+
+      #{sql_explain}
+
+      #{Exception.format_stacktrace(pleroma_stacktrace)}
+      """
+    end)
+  end
 end

lib/pleroma/web/api_spec/operations/account_operation.ex

@@ -400,6 +400,26 @@ defmodule Pleroma.Web.ApiSpec.AccountOperation do
     }
   end
 
+  def lookup_operation do
+    %Operation{
+      tags: ["Account lookup"],
+      summary: "Find a user by nickname",
+      operationId: "AccountController.lookup",
+      parameters: [
+        Operation.parameter(
+          :acct,
+          :query,
+          :string,
+          "User nickname"
+        )
+      ],
+      responses: %{
+        200 => Operation.response("Account", "application/json", Account),
+        404 => Operation.response("Error", "application/json", ApiError)
+      }
+    }
+  end
+
   def endorsements_operation do
     %Operation{
       tags: ["Retrieve account information"],

lib/pleroma/web/api_spec/operations/app_operation.ex

@@ -6,6 +6,7 @@ defmodule Pleroma.Web.ApiSpec.AppOperation do
   alias OpenApiSpex.Operation
   alias OpenApiSpex.Schema
   alias Pleroma.Web.ApiSpec.Helpers
+  alias Pleroma.Web.ApiSpec.Schemas.App
 
   @spec open_api_operation(atom) :: Operation.t()
   def open_api_operation(action) do
@@ -22,7 +23,7 @@ defmodule Pleroma.Web.ApiSpec.AppOperation do
       operationId: "AppController.create",
       requestBody: Helpers.request_body("Parameters", create_request(), required: true),
       responses: %{
-        200 => Operation.response("App", "application/json", create_response()),
+        200 => Operation.response("App", "application/json", App),
         422 =>
           Operation.response(
             "Unprocessable Entity",
@@ -119,30 +120,4 @@ defmodule Pleroma.Web.ApiSpec.AppOperation do
       }
     }
   end
-
-  defp create_response do
-    %Schema{
-      title: "AppCreateResponse",
-      description: "Response schema for an app",
-      type: :object,
-      properties: %{
-        id: %Schema{type: :string},
-        name: %Schema{type: :string},
-        client_id: %Schema{type: :string},
-        client_secret: %Schema{type: :string},
-        redirect_uri: %Schema{type: :string},
-        vapid_key: %Schema{type: :string},
-        website: %Schema{type: :string, nullable: true}
-      },
-      example: %{
-        "id" => "123",
-        "name" => "My App",
-        "client_id" => "TWhM-tNSuncnqN7DBJmoyeLnk6K3iJJ71KKXxgL1hPM",
-        "client_secret" => "ZEaFUFmF0umgBX1qKJDjaU99Q31lDkOU8NutzTOoliw",
-        "vapid_key" =>
-          "BCk-QqERU0q-CfYZjcuB6lnyyOYfJ2AifKqfeGIm7Z-HiTU5T9eTG5GxVA0_OH5mMlI4UkkDTpaZwozy0TzdZ2M=",
-        "website" => "https://myapp.com/"
-      }
-    }
-  end
 end

lib/pleroma/web/api_spec/operations/pleroma_app_operation.ex

@@ -0,0 +1,31 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.PleromaAppOperation do
+  alias OpenApiSpex.Operation
+  alias OpenApiSpex.Schema
+  alias Pleroma.Web.ApiSpec.Schemas.App
+
+  def open_api_operation(action) do
+    operation = String.to_existing_atom("#{action}_operation")
+    apply(__MODULE__, operation, [])
+  end
+
+  @spec index_operation() :: Operation.t()
+  def index_operation do
+    %Operation{
+      tags: ["Applications"],
+      summary: "List applications",
+      description: "List the OAuth applications for the current user",
+      operationId: "AppController.index",
+      responses: %{
+        200 => Operation.response("Array of App", "application/json", array_of_apps())
+      }
+    }
+  end
+
+  defp array_of_apps do
+    %Schema{type: :array, items: App, example: [App.schema().example]}
+  end
+end

lib/pleroma/web/api_spec/schemas/app.ex

@@ -0,0 +1,33 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ApiSpec.Schemas.App do
+  alias OpenApiSpex.Schema
+
+  require OpenApiSpex
+
+  OpenApiSpex.schema(%{
+    title: "App",
+    description: "Response schema for an app",
+    type: :object,
+    properties: %{
+      id: %Schema{type: :string},
+      name: %Schema{type: :string},
+      client_id: %Schema{type: :string},
+      client_secret: %Schema{type: :string},
+      redirect_uri: %Schema{type: :string},
+      vapid_key: %Schema{type: :string},
+      website: %Schema{type: :string, nullable: true}
+    },
+    example: %{
+      "id" => "123",
+      "name" => "My App",
+      "client_id" => "TWhM-tNSuncnqN7DBJmoyeLnk6K3iJJ71KKXxgL1hPM",
+      "client_secret" => "ZEaFUFmF0umgBX1qKJDjaU99Q31lDkOU8NutzTOoliw",
+      "vapid_key" =>
+        "BCk-QqERU0q-CfYZjcuB6lnyyOYfJ2AifKqfeGIm7Z-HiTU5T9eTG5GxVA0_OH5mMlI4UkkDTpaZwozy0TzdZ2M=",
+      "website" => "https://myapp.com/"
+    }
+  })
+end

lib/pleroma/web/mastodon_api/controllers/account_controller.ex

@@ -32,7 +32,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
 
   plug(Pleroma.Web.ApiSpec.CastAndValidate)
 
-  plug(:skip_auth when action == :create)
+  plug(:skip_auth when action in [:create, :lookup])
 
   plug(:skip_public_check when action in [:show, :statuses])
 
@@ -492,6 +492,18 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
     |> render("index.json", users: users, for: user, as: :user)
   end
 
+  @doc "GET /api/v1/accounts/lookup"
+  def lookup(conn, %{acct: nickname} = _params) do
+    with %User{} = user <- User.get_by_nickname(nickname) do
+      render(conn, "show.json",
+        user: user,
+        skip_visibility_check: true
+      )
+    else
+      error -> user_visibility_error(conn, error)
+    end
+  end
+
   @doc "GET /api/v1/endorsements"
   def endorsements(conn, params), do: MastodonAPIController.empty_array(conn, params)
 

lib/pleroma/web/mastodon_api/controllers/app_controller.ex

@@ -10,7 +10,9 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
 
   use Pleroma.Web, :controller
 
+  alias Pleroma.Maps
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Scopes
   alias Pleroma.Web.OAuth.Token
@@ -26,11 +28,13 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
   @doc "POST /api/v1/apps"
   def create(%{body_params: params} = conn, _params) do
     scopes = Scopes.fetch_scopes(params, ["read"])
+    user_id = get_user_id(conn)
 
     app_attrs =
       params
       |> Map.take([:client_name, :redirect_uris, :website])
       |> Map.put(:scopes, scopes)
+      |> Maps.put_if_present(:user_id, user_id)
 
     with cs <- App.register_changeset(%App{}, app_attrs),
          {:ok, app} <- Repo.insert(cs) do
@@ -38,6 +42,9 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
     end
   end
 
+  defp get_user_id(%{assigns: %{user: %User{id: user_id}}}), do: user_id
+  defp get_user_id(_conn), do: nil
+
   @doc """
   GET /api/v1/apps/verify_credentials
   Gets compact non-secret representation of the app. Supports app tokens and user tokens.

lib/pleroma/web/mastodon_api/views/instance_view.ex

@@ -45,7 +45,8 @@ defmodule Pleroma.Web.MastodonAPI.InstanceView do
           features: features(),
           federation: federation(),
           fields_limits: fields_limits(),
-          post_formats: Config.get([:instance, :allowed_post_formats])
+          post_formats: Config.get([:instance, :allowed_post_formats]),
+          privileged_staff: Config.get([:instance, :privileged_staff])
         },
         stats: %{mau: Pleroma.User.active_user_count()},
         vapid_public_key: Keyword.get(Pleroma.Web.Push.vapid_config(), :public_key)

lib/pleroma/web/nodeinfo/nodeinfo.ex

@@ -69,7 +69,8 @@ defmodule Pleroma.Web.Nodeinfo.Nodeinfo do
         mailerEnabled: Config.get([Pleroma.Emails.Mailer, :enabled], false),
         features: features,
         restrictedNicknames: Config.get([Pleroma.User, :restricted_nicknames]),
-        skipThreadContainment: Config.get([:instance, :skip_thread_containment], false)
+        skipThreadContainment: Config.get([:instance, :skip_thread_containment], false),
+        privilegedStaff: Config.get([:instance, :privileged_staff])
       }
     }
   end

lib/pleroma/web/o_auth/app.ex

@@ -7,6 +7,7 @@ defmodule Pleroma.Web.OAuth.App do
   import Ecto.Changeset
   import Ecto.Query
   alias Pleroma.Repo
+  alias Pleroma.User
 
   @type t :: %__MODULE__{}
 
@@ -19,6 +20,8 @@ defmodule Pleroma.Web.OAuth.App do
     field(:client_secret, :string)
     field(:trusted, :boolean, default: false)
 
+    belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
+
     has_many(:oauth_authorizations, Pleroma.Web.OAuth.Authorization, on_delete: :delete_all)
     has_many(:oauth_tokens, Pleroma.Web.OAuth.Token, on_delete: :delete_all)
 
@@ -27,7 +30,7 @@ defmodule Pleroma.Web.OAuth.App do
 
   @spec changeset(t(), map()) :: Ecto.Changeset.t()
   def changeset(struct, params) do
-    cast(struct, params, [:client_name, :redirect_uris, :scopes, :website, :trusted])
+    cast(struct, params, [:client_name, :redirect_uris, :scopes, :website, :trusted, :user_id])
   end
 
   @spec register_changeset(t(), map()) :: Ecto.Changeset.t()
@@ -129,6 +132,12 @@ defmodule Pleroma.Web.OAuth.App do
     {:ok, Repo.all(query), count}
   end
 
+  @spec get_user_apps(User.t()) :: {:ok, [t()], non_neg_integer()}
+  def get_user_apps(%User{id: user_id}) do
+    from(a in __MODULE__, where: a.user_id == ^user_id)
+    |> Repo.all()
+  end
+
   @spec destroy(pos_integer()) :: {:ok, t()} | {:error, Ecto.Changeset.t()}
   def destroy(id) do
     with %__MODULE__{} = app <- Repo.get(__MODULE__, id) do

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

@@ -0,0 +1,23 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.PleromaAPI.AppController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Web.OAuth.App
+  alias Pleroma.Web.Plugs.OAuthScopesPlug
+
+  plug(OAuthScopesPlug, %{scopes: ["follow", "read"]} when action in [:index])
+
+  plug(Pleroma.Web.ApiSpec.CastAndValidate)
+
+  defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.PleromaAppOperation
+
+  @doc "GET /api/v1/pleroma/apps"
+  def index(%{assigns: %{user: user}} = conn, _params) do
+    with apps <- App.get_user_apps(user) do
+      render(conn, "index.json", %{apps: apps})
+    end
+  end
+end

lib/pleroma/web/pleroma_api/views/app_view.ex

@@ -0,0 +1,11 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.PleromaAPI.AppView do
+  use Pleroma.Web, :view
+
+  def render("index.json", %{apps: apps}) do
+    render_many(apps, Pleroma.Web.MastodonAPI.AppView, "show.json")
+  end
+end

lib/pleroma/web/plugs/ensure_staff_privileged_plug.ex

@@ -0,0 +1,36 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Plugs.EnsureStaffPrivilegedPlug do
+  @moduledoc """
+  Ensures staff are privileged enough to do certain tasks.
+  """
+  import Pleroma.Web.TranslationHelpers
+  import Plug.Conn
+
+  alias Pleroma.Config
+  alias Pleroma.User
+
+  def init(options) do
+    options
+  end
+
+  def call(%{assigns: %{user: %User{is_admin: true}}} = conn, _), do: conn
+
+  def call(%{assigns: %{user: %User{is_moderator: true}}} = conn, _) do
+    if Config.get!([:instance, :privileged_staff]) do
+      conn
+    else
+      conn
+      |> render_error(:forbidden, "User is not an admin.")
+      |> halt()
+    end
+  end
+
+  def call(conn, _) do
+    conn
+    |> render_error(:forbidden, "User is not a staff member.")
+    |> halt()
+  end
+end

lib/pleroma/web/router.ex

@@ -101,6 +101,10 @@ defmodule Pleroma.Web.Router do
     plug(Pleroma.Web.Plugs.IdempotencyPlug)
   end
 
+  pipeline :require_privileged_staff do
+    plug(Pleroma.Web.Plugs.EnsureStaffPrivilegedPlug)
+  end
+
   pipeline :require_admin do
     plug(Pleroma.Web.Plugs.UserIsAdminPlug)
   end
@@ -195,7 +199,6 @@ defmodule Pleroma.Web.Router do
     post("/relay", RelayController, :follow)
     delete("/relay", RelayController, :unfollow)
 
-    get("/users/:nickname/password_reset", AdminAPIController, :get_password_reset)
     patch("/users/force_password_reset", AdminAPIController, :force_password_reset)
     get("/users/:nickname/credentials", AdminAPIController, :show_user_credentials)
     patch("/users/:nickname/credentials", AdminAPIController, :update_user_credentials)
@@ -228,6 +231,24 @@ defmodule Pleroma.Web.Router do
     post("/backups", AdminAPIController, :create_backup)
   end
 
+  # AdminAPI: admins and mods (staff) can perform these actions (if enabled by config)
+  scope "/api/v1/pleroma/admin", Pleroma.Web.AdminAPI do
+    pipe_through([:admin_api, :require_privileged_staff])
+
+    delete("/users", UserController, :delete)
+
+    get("/users/:nickname/password_reset", AdminAPIController, :get_password_reset)
+    patch("/users/:nickname/credentials", AdminAPIController, :update_user_credentials)
+
+    get("/users/:nickname/statuses", AdminAPIController, :list_user_statuses)
+    get("/users/:nickname/chats", AdminAPIController, :list_user_chats)
+
+    get("/statuses", StatusController, :index)
+
+    get("/chats/:id", ChatController, :show)
+    get("/chats/:id/messages", ChatController, :messages)
+  end
+
   # AdminAPI: admins and mods (staff) can perform these actions
   scope "/api/v1/pleroma/admin", Pleroma.Web.AdminAPI do
     pipe_through(:admin_api)
@@ -240,22 +261,13 @@ defmodule Pleroma.Web.Router do
     patch("/users/deactivate", UserController, :deactivate)
     patch("/users/approve", UserController, :approve)
 
-    delete("/users", UserController, :delete)
-
     post("/users/invite_token", InviteController, :create)
     get("/users/invites", InviteController, :index)
     post("/users/revoke_invite", InviteController, :revoke)
     post("/users/email_invite", InviteController, :email)
 
-    get("/users/:nickname/password_reset", AdminAPIController, :get_password_reset)
-    patch("/users/force_password_reset", AdminAPIController, :force_password_reset)
-    get("/users/:nickname/credentials", AdminAPIController, :show_user_credentials)
-    patch("/users/:nickname/credentials", AdminAPIController, :update_user_credentials)
-
     get("/users", UserController, :index)
     get("/users/:nickname", UserController, :show)
-    get("/users/:nickname/statuses", AdminAPIController, :list_user_statuses)
-    get("/users/:nickname/chats", AdminAPIController, :list_user_chats)
 
     get("/instances/:instance/statuses", InstanceController, :list_statuses)
     delete("/instances/:instance", InstanceController, :delete)
@@ -269,15 +281,12 @@ defmodule Pleroma.Web.Router do
     get("/statuses/:id", StatusController, :show)
     put("/statuses/:id", StatusController, :update)
     delete("/statuses/:id", StatusController, :delete)
-    get("/statuses", StatusController, :index)
 
     get("/moderation_log", AdminAPIController, :list_log)
 
     post("/reload_emoji", AdminAPIController, :reload_emoji)
     get("/stats", AdminAPIController, :stats)
 
-    get("/chats/:id", ChatController, :show)
-    get("/chats/:id/messages", ChatController, :messages)
     delete("/chats/:id/messages/:message_id", ChatController, :delete_message)
   end
 
@@ -386,6 +395,7 @@ defmodule Pleroma.Web.Router do
   scope "/api/v1/pleroma", Pleroma.Web.PleromaAPI do
     pipe_through(:api)
 
+    get("/apps", AppController, :index)
     get("/statuses/:id/reactions/:emoji", EmojiReactionController, :index)
     get("/statuses/:id/reactions", EmojiReactionController, :index)
   end
@@ -575,6 +585,8 @@ defmodule Pleroma.Web.Router do
     get("/accounts/search", SearchController, :account_search)
     get("/search", SearchController, :search)
 
+    get("/accounts/lookup", AccountController, :lookup)
+
     get("/accounts/:id/statuses", AccountController, :statuses)
     get("/accounts/:id/followers", AccountController, :followers)
     get("/accounts/:id/following", AccountController, :following)