Merge branch 'develop' of git.pleroma.social:pleroma/pleroma into remake-remodel-dms

44 files changed, 518 insertions, 275 deletions

diff --git a/lib/pleroma/plugs/auth_expected_plug.ex b/lib/pleroma/plugs/auth_expected_plug.ex
deleted file mode 100644
index f79597dc3..000000000
--- a/lib/pleroma/plugs/auth_expected_plug.ex
+++ /dev/null
@@ -1,17 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.Plugs.AuthExpectedPlug do
-  import Plug.Conn
-
-  def init(options), do: options
-
-  def call(conn, _) do
-    put_private(conn, :auth_expected, true)
-  end
-
-  def auth_expected?(conn) do
-    conn.private[:auth_expected]
-  end
-end
diff --git a/lib/pleroma/plugs/ensure_authenticated_plug.ex b/lib/pleroma/plugs/ensure_authenticated_plug.ex
index 054d2297f..9c8f5597f 100644
--- a/lib/pleroma/plugs/ensure_authenticated_plug.ex
+++ b/lib/pleroma/plugs/ensure_authenticated_plug.ex
@@ -5,17 +5,21 @@
 defmodule Pleroma.Plugs.EnsureAuthenticatedPlug do
   import Plug.Conn
   import Pleroma.Web.TranslationHelpers
+
   alias Pleroma.User
 
+  use Pleroma.Web, :plug
+
   def init(options) do
     options
   end
 
-  def call(%{assigns: %{user: %User{}}} = conn, _) do
+  @impl true
+  def perform(%{assigns: %{user: %User{}}} = conn, _) do
     conn
   end
 
-  def call(conn, options) do
+  def perform(conn, options) do
     perform =
       cond do
         options[:if_func] -> options[:if_func].()
diff --git a/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex b/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex
index d980ff13d..7265bb87a 100644
--- a/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex
+++ b/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex
@@ -5,14 +5,18 @@
 defmodule Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug do
   import Pleroma.Web.TranslationHelpers
   import Plug.Conn
+
   alias Pleroma.Config
   alias Pleroma.User
 
+  use Pleroma.Web, :plug
+
   def init(options) do
     options
   end
 
-  def call(conn, _) do
+  @impl true
+  def perform(conn, _) do
     public? = Config.get!([:instance, :public])
 
     case {public?, conn} do
diff --git a/lib/pleroma/plugs/expect_authenticated_check_plug.ex b/lib/pleroma/plugs/expect_authenticated_check_plug.ex
new file mode 100644
index 000000000..66b8d5de5
--- /dev/null
+++ b/lib/pleroma/plugs/expect_authenticated_check_plug.ex
@@ -0,0 +1,20 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.ExpectAuthenticatedCheckPlug do
+  @moduledoc """
+  Marks `Pleroma.Plugs.EnsureAuthenticatedPlug` as expected to be executed later in plug chain.
+
+  No-op plug which affects `Pleroma.Web` operation (is checked with `PlugHelper.plug_called?/2`).
+  """
+
+  use Pleroma.Web, :plug
+
+  def init(options), do: options
+
+  @impl true
+  def perform(conn, _) do
+    conn
+  end
+end
diff --git a/lib/pleroma/plugs/expect_public_or_authenticated_check_plug.ex b/lib/pleroma/plugs/expect_public_or_authenticated_check_plug.ex
new file mode 100644
index 000000000..ba0ef76bd
--- /dev/null
+++ b/lib/pleroma/plugs/expect_public_or_authenticated_check_plug.ex
@@ -0,0 +1,21 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.ExpectPublicOrAuthenticatedCheckPlug do
+  @moduledoc """
+  Marks `Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug` as expected to be executed later in plug
+  chain.
+
+  No-op plug which affects `Pleroma.Web` operation (is checked with `PlugHelper.plug_called?/2`).
+  """
+
+  use Pleroma.Web, :plug
+
+  def init(options), do: options
+
+  @impl true
+  def perform(conn, _) do
+    conn
+  end
+end
diff --git a/lib/pleroma/plugs/oauth_scopes_plug.ex b/lib/pleroma/plugs/oauth_scopes_plug.ex
index 66f48c28c..efc25b79f 100644
--- a/lib/pleroma/plugs/oauth_scopes_plug.ex
+++ b/lib/pleroma/plugs/oauth_scopes_plug.ex
@@ -7,15 +7,12 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
   import Pleroma.Web.Gettext
 
   alias Pleroma.Config
-  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
-  alias Pleroma.Plugs.PlugHelper
 
   use Pleroma.Web, :plug
 
-  @behaviour Plug
-
   def init(%{scopes: _} = options), do: options
 
+  @impl true
   def perform(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
     op = options[:op] || :|
     token = assigns[:token]
@@ -31,10 +28,7 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
         conn
 
       options[:fallback] == :proceed_unauthenticated ->
-        conn
-        |> assign(:user, nil)
-        |> assign(:token, nil)
-        |> maybe_perform_instance_privacy_check(options)
+        drop_auth_info(conn)
 
       true ->
         missing_scopes = scopes -- matched_scopes
@@ -50,6 +44,15 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
     end
   end
 
+  @doc "Drops authentication info from connection"
+  def drop_auth_info(conn) do
+    # To simplify debugging, setting a private variable on `conn` if auth info is dropped
+    conn
+    |> put_private(:authentication_ignored, true)
+    |> assign(:user, nil)
+    |> assign(:token, nil)
+  end
+
   @doc "Filters descendants of supported scopes"
   def filter_descendants(scopes, supported_scopes) do
     Enum.filter(
@@ -71,12 +74,4 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
       scopes
     end
   end
-
-  defp maybe_perform_instance_privacy_check(%Plug.Conn{} = conn, options) do
-    if options[:skip_instance_privacy_check] do
-      conn
-    else
-      EnsurePublicOrAuthenticatedPlug.call(conn, [])
-    end
-  end
 end
diff --git a/lib/pleroma/tests/auth_test_controller.ex b/lib/pleroma/tests/auth_test_controller.ex
new file mode 100644
index 000000000..fb04411d9
--- /dev/null
+++ b/lib/pleroma/tests/auth_test_controller.ex
@@ -0,0 +1,93 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+# A test controller reachable only in :test env.
+defmodule Pleroma.Tests.AuthTestController do
+  @moduledoc false
+
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
+  alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.User
+
+  # Serves only with proper OAuth token (:api and :authenticated_api)
+  # Skipping EnsurePublicOrAuthenticatedPlug has no effect in this case
+  #
+  # Suggested use case: all :authenticated_api endpoints (makes no sense for :api endpoints)
+  plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :do_oauth_check)
+
+  # Via :api, keeps :user if token has requested scopes (if :user is dropped, serves if public)
+  # Via :authenticated_api, serves if token is present and has requested scopes
+  #
+  # Suggested use case: vast majority of :api endpoints (no sense for :authenticated_api ones)
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read"], fallback: :proceed_unauthenticated}
+    when action == :fallback_oauth_check
+  )
+
+  # Keeps :user if present, executes regardless of token / token scopes
+  # Fails with no :user for :authenticated_api / no user for :api on private instance
+  # Note: EnsurePublicOrAuthenticatedPlug is not skipped (private instance fails on no :user)
+  # Note: Basic Auth processing results in :skip_plug call for OAuthScopesPlug
+  #
+  # Suggested use: suppressing OAuth checks for other auth mechanisms (like Basic Auth)
+  # For controller-level use, see :skip_oauth_skip_publicity_check instead
+  plug(
+    :skip_plug,
+    OAuthScopesPlug when action == :skip_oauth_check
+  )
+
+  # (Shouldn't be executed since the plug is skipped)
+  plug(OAuthScopesPlug, %{scopes: ["admin"]} when action == :skip_oauth_check)
+
+  # Via :api, keeps :user if token has requested scopes, and continues with nil :user otherwise
+  # Via :authenticated_api, serves if token is present and has requested scopes
+  #
+  # Suggested use: as :fallback_oauth_check but open with nil :user for :api on private instances
+  plug(
+    :skip_plug,
+    EnsurePublicOrAuthenticatedPlug when action == :fallback_oauth_skip_publicity_check
+  )
+
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read"], fallback: :proceed_unauthenticated}
+    when action == :fallback_oauth_skip_publicity_check
+  )
+
+  # Via :api, keeps :user if present, serves regardless of token presence / scopes / :user presence
+  # Via :authenticated_api, serves if :user is set (regardless of token presence and its scopes)
+  #
+  # Suggested use: making an :api endpoint always accessible (e.g. email confirmation endpoint)
+  plug(
+    :skip_plug,
+    [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug]
+    when action == :skip_oauth_skip_publicity_check
+  )
+
+  # Via :authenticated_api, always fails with 403 (endpoint is insecure)
+  # Via :api, drops :user if present and serves if public (private instance rejects on no user)
+  #
+  # Suggested use: none; please define OAuth rules for all :api / :authenticated_api endpoints
+  plug(:skip_plug, [] when action == :missing_oauth_check_definition)
+
+  def do_oauth_check(conn, _params), do: conn_state(conn)
+
+  def fallback_oauth_check(conn, _params), do: conn_state(conn)
+
+  def skip_oauth_check(conn, _params), do: conn_state(conn)
+
+  def fallback_oauth_skip_publicity_check(conn, _params), do: conn_state(conn)
+
+  def skip_oauth_skip_publicity_check(conn, _params), do: conn_state(conn)
+
+  def missing_oauth_check_definition(conn, _params), do: conn_state(conn)
+
+  defp conn_state(%{assigns: %{user: %User{} = user}} = conn),
+    do: json(conn, %{user_id: user.id})
+
+  defp conn_state(conn), do: json(conn, %{user_id: nil})
+end
diff --git a/lib/pleroma/tests/oauth_test_controller.ex b/lib/pleroma/tests/oauth_test_controller.ex
deleted file mode 100644
index 58d517f78..000000000
--- a/lib/pleroma/tests/oauth_test_controller.ex
+++ /dev/null
@@ -1,31 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-# A test controller reachable only in :test env.
-# Serves to test OAuth scopes check skipping / enforcement.
-defmodule Pleroma.Tests.OAuthTestController do
-  @moduledoc false
-
-  use Pleroma.Web, :controller
-
-  alias Pleroma.Plugs.OAuthScopesPlug
-
-  plug(:skip_plug, OAuthScopesPlug when action == :skipped_oauth)
-
-  plug(OAuthScopesPlug, %{scopes: ["read"]} when action != :missed_oauth)
-
-  def skipped_oauth(conn, _params) do
-    noop(conn)
-  end
-
-  def performed_oauth(conn, _params) do
-    noop(conn)
-  end
-
-  def missed_oauth(conn, _params) do
-    noop(conn)
-  end
-
-  defp noop(conn), do: json(conn, %{})
-end
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 9c79310c0..816c11e01 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -48,6 +48,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     %{scopes: ["write:accounts"], admin: true}
     when action in [
            :get_password_reset,
+           :force_password_reset,
            :user_delete,
            :users_create,
            :user_toggle_activation,
@@ -56,7 +57,9 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
            :tag_users,
            :untag_users,
            :right_add,
+           :right_add_multiple,
            :right_delete,
+           :right_delete_multiple,
            :update_user_credentials
          ]
   )
@@ -84,13 +87,13 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   plug(
     OAuthScopesPlug,
     %{scopes: ["write:reports"], admin: true}
-    when action in [:reports_update]
+    when action in [:reports_update, :report_notes_create, :report_notes_delete]
   )
 
   plug(
     OAuthScopesPlug,
     %{scopes: ["read:statuses"], admin: true}
-    when action == :list_user_statuses
+    when action in [:list_statuses, :list_user_statuses, :list_instance_statuses]
   )
 
   plug(
@@ -102,13 +105,30 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   plug(
     OAuthScopesPlug,
     %{scopes: ["read"], admin: true}
-    when action in [:config_show, :list_log, :stats]
+    when action in [
+           :config_show,
+           :list_log,
+           :stats,
+           :relay_list,
+           :config_descriptions,
+           :need_reboot
+         ]
   )
 
   plug(
     OAuthScopesPlug,
     %{scopes: ["write"], admin: true}
-    when action == :config_update
+    when action in [
+           :restart,
+           :config_update,
+           :resend_confirmation_email,
+           :confirm_email,
+           :oauth_app_create,
+           :oauth_app_list,
+           :oauth_app_update,
+           :oauth_app_delete,
+           :reload_emoji
+         ]
   )
 
   action_fallback(:errors)
@@ -1103,25 +1123,25 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     |> json(%{"status_visibility" => count})
   end
 
-  def errors(conn, {:error, :not_found}) do
+  defp errors(conn, {:error, :not_found}) do
     conn
     |> put_status(:not_found)
     |> json(dgettext("errors", "Not found"))
   end
 
-  def errors(conn, {:error, reason}) do
+  defp errors(conn, {:error, reason}) do
     conn
     |> put_status(:bad_request)
     |> json(reason)
   end
 
-  def errors(conn, {:param_cast, _}) do
+  defp errors(conn, {:param_cast, _}) do
     conn
     |> put_status(:bad_request)
     |> json(dgettext("errors", "Invalid parameters"))
   end
 
-  def errors(conn, _) do
+  defp errors(conn, _) do
     conn
     |> put_status(:internal_server_error)
     |> json(dgettext("errors", "Something went wrong"))
diff --git a/lib/pleroma/web/api_spec/operations/account_operation.ex b/lib/pleroma/web/api_spec/operations/account_operation.ex
index 2efe6e901..64e2e43c4 100644
--- a/lib/pleroma/web/api_spec/operations/account_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/account_operation.ex
@@ -294,13 +294,13 @@ defmodule Pleroma.Web.ApiSpec.AccountOperation do
     }
   end
 
-  def follows_operation do
+  def follow_by_uri_operation do
     %Operation{
       tags: ["accounts"],
-      summary: "Follows",
+      summary: "Follow by URI",
       operationId: "AccountController.follows",
       security: [%{"oAuth" => ["follow", "write:follows"]}],
-      requestBody: request_body("Parameters", follows_request(), required: true),
+      requestBody: request_body("Parameters", follow_by_uri_request(), required: true),
       responses: %{
         200 => Operation.response("Account", "application/json", AccountRelationship),
         400 => Operation.response("Error", "application/json", ApiError),
@@ -615,7 +615,7 @@ defmodule Pleroma.Web.ApiSpec.AccountOperation do
     }
   end
 
-  defp follows_request do
+  defp follow_by_uri_request do
     %Schema{
       title: "AccountFollowsRequest",
       description: "POST body for muting an account",
diff --git a/lib/pleroma/web/fallback_redirect_controller.ex b/lib/pleroma/web/fallback_redirect_controller.ex
index c13518030..0d9d578fc 100644
--- a/lib/pleroma/web/fallback_redirect_controller.ex
+++ b/lib/pleroma/web/fallback_redirect_controller.ex
@@ -4,7 +4,9 @@
 
 defmodule Fallback.RedirectController do
   use Pleroma.Web, :controller
+
   require Logger
+
   alias Pleroma.User
   alias Pleroma.Web.Metadata
 
diff --git a/lib/pleroma/web/masto_fe_controller.ex b/lib/pleroma/web/masto_fe_controller.ex
index 557cde328..d0d8bc8eb 100644
--- a/lib/pleroma/web/masto_fe_controller.ex
+++ b/lib/pleroma/web/masto_fe_controller.ex
@@ -5,19 +5,25 @@
 defmodule Pleroma.Web.MastoFEController do
   use Pleroma.Web, :controller
 
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.User
 
   plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :put_settings)
 
   # Note: :index action handles attempt of unauthenticated access to private instance with redirect
+  plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action == :index)
+
   plug(
     OAuthScopesPlug,
-    %{scopes: ["read"], fallback: :proceed_unauthenticated, skip_instance_privacy_check: true}
+    %{scopes: ["read"], fallback: :proceed_unauthenticated}
     when action == :index
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action not in [:index, :manifest])
+  plug(
+    :skip_plug,
+    [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :manifest
+  )
 
   @doc "GET /web/*path"
   def index(%{assigns: %{user: user, token: token}} = conn, _params)
diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
index 37adeec5f..1eedf02d6 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -14,6 +14,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
       skip_relationships?: 1
     ]
 
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.Plugs.RateLimiter
   alias Pleroma.User
@@ -28,18 +29,26 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
 
   plug(OpenApiSpex.Plug.CastAndValidate, render_error: Pleroma.Web.ApiSpec.RenderError)
 
-  plug(:skip_plug, OAuthScopesPlug when action == :identity_proofs)
+  plug(:skip_plug, [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :create)
+
+  plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action in [:show, :statuses])
 
   plug(
     OAuthScopesPlug,
     %{fallback: :proceed_unauthenticated, scopes: ["read:accounts"]}
-    when action == :show
+    when action in [:show, :followers, :following]
+  )
+
+  plug(
+    OAuthScopesPlug,
+    %{fallback: :proceed_unauthenticated, scopes: ["read:statuses"]}
+    when action == :statuses
   )
 
   plug(
     OAuthScopesPlug,
     %{scopes: ["read:accounts"]}
-    when action in [:endorsements, :verify_credentials, :followers, :following]
+    when action in [:verify_credentials, :endorsements, :identity_proofs]
   )
 
   plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action == :update_credentials)
@@ -58,21 +67,15 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
 
   plug(OAuthScopesPlug, %{scopes: ["read:follows"]} when action == :relationships)
 
-  # Note: :follows (POST /api/v1/follows) is the same as :follow, consider removing :follows
   plug(
     OAuthScopesPlug,
-    %{scopes: ["follow", "write:follows"]} when action in [:follows, :follow, :unfollow]
+    %{scopes: ["follow", "write:follows"]} when action in [:follow_by_uri, :follow, :unfollow]
   )
 
   plug(OAuthScopesPlug, %{scopes: ["follow", "read:mutes"]} when action == :mutes)
 
   plug(OAuthScopesPlug, %{scopes: ["follow", "write:mutes"]} when action in [:mute, :unmute])
 
-  plug(
-    Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
-    when action not in [:create, :show, :statuses]
-  )
-
   @relationship_actions [:follow, :unfollow]
   @needs_account ~W(followers following lists follow unfollow mute unmute block unblock)a
 
@@ -378,7 +381,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   end
 
   @doc "POST /api/v1/follows"
-  def follows(%{body_params: %{uri: uri}} = conn, _) do
+  def follow_by_uri(%{body_params: %{uri: uri}} = conn, _) do
     case User.get_cached_by_nickname(uri) do
       %User{} = user ->
         conn
diff --git a/lib/pleroma/web/mastodon_api/controllers/app_controller.ex b/lib/pleroma/web/mastodon_api/controllers/app_controller.ex
index 005c60444..408e11474 100644
--- a/lib/pleroma/web/mastodon_api/controllers/app_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/app_controller.ex
@@ -5,6 +5,7 @@
 defmodule Pleroma.Web.MastodonAPI.AppController do
   use Pleroma.Web, :controller
 
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.Repo
   alias Pleroma.Web.OAuth.App
@@ -13,7 +14,14 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
 
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
+  plug(
+    :skip_plug,
+    [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug]
+    when action == :create
+  )
+
   plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :verify_credentials)
+
   plug(OpenApiSpex.Plug.CastAndValidate)
 
   @local_mastodon_name "Mastodon-Local"
diff --git a/lib/pleroma/web/mastodon_api/controllers/auth_controller.ex b/lib/pleroma/web/mastodon_api/controllers/auth_controller.ex
index 37b389382..753b3db3e 100644
--- a/lib/pleroma/web/mastodon_api/controllers/auth_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/auth_controller.ex
@@ -13,10 +13,10 @@ defmodule Pleroma.Web.MastodonAPI.AuthController do
 
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
-  @local_mastodon_name "Mastodon-Local"
-
   plug(Pleroma.Plugs.RateLimiter, [name: :password_reset] when action == :password_reset)
 
+  @local_mastodon_name "Mastodon-Local"
+
   @doc "GET /web/login"
   def login(%{assigns: %{user: %User{}}} = conn, _params) do
     redirect(conn, to: local_mastodon_root_path(conn))
diff --git a/lib/pleroma/web/mastodon_api/controllers/conversation_controller.ex b/lib/pleroma/web/mastodon_api/controllers/conversation_controller.ex
index 7c9b11bf1..c44641526 100644
--- a/lib/pleroma/web/mastodon_api/controllers/conversation_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/conversation_controller.ex
@@ -14,9 +14,7 @@ defmodule Pleroma.Web.MastodonAPI.ConversationController do
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
   plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action == :index)
-  plug(OAuthScopesPlug, %{scopes: ["write:conversations"]} when action == :read)
-
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(OAuthScopesPlug, %{scopes: ["write:conversations"]} when action != :index)
 
   @doc "GET /api/v1/conversations"
   def index(%{assigns: %{user: user}} = conn, params) do
@@ -28,7 +26,7 @@ defmodule Pleroma.Web.MastodonAPI.ConversationController do
   end
 
   @doc "POST /api/v1/conversations/:id/read"
-  def read(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
+  def mark_as_read(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
     with %Participation{} = participation <-
            Repo.get_by(Participation, id: participation_id, user_id: user.id),
          {:ok, participation} <- Participation.mark_as_read(participation) do
diff --git a/lib/pleroma/web/mastodon_api/controllers/custom_emoji_controller.ex b/lib/pleroma/web/mastodon_api/controllers/custom_emoji_controller.ex
index 3bfebef8b..000ad743f 100644
--- a/lib/pleroma/web/mastodon_api/controllers/custom_emoji_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/custom_emoji_controller.ex
@@ -7,6 +7,12 @@ defmodule Pleroma.Web.MastodonAPI.CustomEmojiController do
 
   plug(OpenApiSpex.Plug.CastAndValidate)
 
+  plug(
+    :skip_plug,
+    [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug]
+    when action == :index
+  )
+
   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.CustomEmojiOperation
 
   def index(conn, _params) do
diff --git a/lib/pleroma/web/mastodon_api/controllers/domain_block_controller.ex b/lib/pleroma/web/mastodon_api/controllers/domain_block_controller.ex
index 84de79413..c4fa383f2 100644
--- a/lib/pleroma/web/mastodon_api/controllers/domain_block_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/domain_block_controller.ex
@@ -21,8 +21,6 @@ defmodule Pleroma.Web.MastodonAPI.DomainBlockController do
     %{scopes: ["follow", "write:blocks"]} when action != :index
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "GET /api/v1/domain_blocks"
   def index(%{assigns: %{user: user}} = conn, _) do
     json(conn, Map.get(user, :domain_blocks, []))
diff --git a/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex b/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex
index 7b0b937a2..7fd0562c9 100644
--- a/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/filter_controller.ex
@@ -17,8 +17,6 @@ defmodule Pleroma.Web.MastodonAPI.FilterController do
     %{scopes: ["write:filters"]} when action not in @oauth_read_actions
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "GET /api/v1/filters"
   def index(%{assigns: %{user: user}} = conn, _) do
     filters = Filter.get_filters(user)
diff --git a/lib/pleroma/web/mastodon_api/controllers/follow_request_controller.ex b/lib/pleroma/web/mastodon_api/controllers/follow_request_controller.ex
index 1ca86f63f..25f2269b9 100644
--- a/lib/pleroma/web/mastodon_api/controllers/follow_request_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/follow_request_controller.ex
@@ -21,8 +21,6 @@ defmodule Pleroma.Web.MastodonAPI.FollowRequestController do
     %{scopes: ["follow", "write:follows"]} when action != :index
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "GET /api/v1/follow_requests"
   def index(%{assigns: %{user: followed}} = conn, _params) do
     follow_requests = User.get_follow_requests(followed)
diff --git a/lib/pleroma/web/mastodon_api/controllers/instance_controller.ex b/lib/pleroma/web/mastodon_api/controllers/instance_controller.ex
index 27b5b1a52..237f85677 100644
--- a/lib/pleroma/web/mastodon_api/controllers/instance_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/instance_controller.ex
@@ -5,6 +5,12 @@
 defmodule Pleroma.Web.MastodonAPI.InstanceController do
   use Pleroma.Web, :controller
 
+  plug(
+    :skip_plug,
+    [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug]
+    when action in [:show, :peers]
+  )
+
   @doc "GET /api/v1/instance"
   def show(conn, _params) do
     render(conn, "show.json")
diff --git a/lib/pleroma/web/mastodon_api/controllers/list_controller.ex b/lib/pleroma/web/mastodon_api/controllers/list_controller.ex
index dac4daa7b..bfe856025 100644
--- a/lib/pleroma/web/mastodon_api/controllers/list_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/list_controller.ex
@@ -11,16 +11,16 @@ defmodule Pleroma.Web.MastodonAPI.ListController do
 
   plug(:list_by_id_and_user when action not in [:index, :create])
 
-  plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action in [:index, :show, :list_accounts])
+  @oauth_read_actions [:index, :show, :list_accounts]
+
+  plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action in @oauth_read_actions)
 
   plug(
     OAuthScopesPlug,
     %{scopes: ["write:lists"]}
-    when action in [:create, :update, :delete, :add_to_list, :remove_from_list]
+    when action not in @oauth_read_actions
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
   # GET /api/v1/lists
diff --git a/lib/pleroma/web/mastodon_api/controllers/marker_controller.ex b/lib/pleroma/web/mastodon_api/controllers/marker_controller.ex
index 58e8a30c2..9f9d4574e 100644
--- a/lib/pleroma/web/mastodon_api/controllers/marker_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/marker_controller.ex
@@ -13,7 +13,7 @@ defmodule Pleroma.Web.MastodonAPI.MarkerController do
   )
 
   plug(OAuthScopesPlug, %{scopes: ["write:statuses"]} when action == :upsert)
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
   # GET /api/v1/markers
diff --git a/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
index ac8c18f24..e7767de4e 100644
--- a/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
@@ -15,9 +15,11 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   require Logger
 
-  plug(:skip_plug, Pleroma.Plugs.OAuthScopesPlug when action in [:empty_array, :empty_object])
-
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(
+    :skip_plug,
+    [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug]
+    when action in [:empty_array, :empty_object]
+  )
 
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
diff --git a/lib/pleroma/web/mastodon_api/controllers/media_controller.ex b/lib/pleroma/web/mastodon_api/controllers/media_controller.ex
index 2b6f00952..e36751220 100644
--- a/lib/pleroma/web/mastodon_api/controllers/media_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/media_controller.ex
@@ -15,8 +15,6 @@ defmodule Pleroma.Web.MastodonAPI.MediaController do
 
   plug(OAuthScopesPlug, %{scopes: ["write:media"]})
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "POST /api/v1/media"
   def create(%{assigns: %{user: user}} = conn, %{"file" => file} = data) do
     with {:ok, object} <-
diff --git a/lib/pleroma/web/mastodon_api/controllers/notification_controller.ex b/lib/pleroma/web/mastodon_api/controllers/notification_controller.ex
index 7fb536b09..311405277 100644
--- a/lib/pleroma/web/mastodon_api/controllers/notification_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/notification_controller.ex
@@ -20,8 +20,6 @@ defmodule Pleroma.Web.MastodonAPI.NotificationController do
 
   plug(OAuthScopesPlug, %{scopes: ["write:notifications"]} when action not in @oauth_read_actions)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   # GET /api/v1/notifications
   def index(conn, %{"account_id" => account_id} = params) do
     case Pleroma.User.get_cached_by_id(account_id) do
diff --git a/lib/pleroma/web/mastodon_api/controllers/poll_controller.ex b/lib/pleroma/web/mastodon_api/controllers/poll_controller.ex
index d9f894118..af9b66eff 100644
--- a/lib/pleroma/web/mastodon_api/controllers/poll_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/poll_controller.ex
@@ -22,8 +22,6 @@ defmodule Pleroma.Web.MastodonAPI.PollController do
 
   plug(OAuthScopesPlug, %{scopes: ["write:statuses"]} when action == :vote)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "GET /api/v1/polls/:id"
   def show(%{assigns: %{user: user}} = conn, %{"id" => id}) do
     with %Object{} = object <- Object.get_by_id_and_maybe_refetch(id, interval: 60),
diff --git a/lib/pleroma/web/mastodon_api/controllers/report_controller.ex b/lib/pleroma/web/mastodon_api/controllers/report_controller.ex
index f5782be13..9fbaa7bd1 100644
--- a/lib/pleroma/web/mastodon_api/controllers/report_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/report_controller.ex
@@ -11,8 +11,6 @@ defmodule Pleroma.Web.MastodonAPI.ReportController do
 
   plug(OAuthScopesPlug, %{scopes: ["write:reports"]} when action == :create)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "POST /api/v1/reports"
   def create(%{assigns: %{user: user}} = conn, params) do
     with {:ok, activity} <- Pleroma.Web.CommonAPI.report(user, params) do
diff --git a/lib/pleroma/web/mastodon_api/controllers/scheduled_activity_controller.ex b/lib/pleroma/web/mastodon_api/controllers/scheduled_activity_controller.ex
index e1e6bd89b..899b78873 100644
--- a/lib/pleroma/web/mastodon_api/controllers/scheduled_activity_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/scheduled_activity_controller.ex
@@ -18,8 +18,6 @@ defmodule Pleroma.Web.MastodonAPI.ScheduledActivityController do
   plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in @oauth_read_actions)
   plug(OAuthScopesPlug, %{scopes: ["write:statuses"]} when action not in @oauth_read_actions)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
   @doc "GET /api/v1/scheduled_statuses"
diff --git a/lib/pleroma/web/mastodon_api/controllers/search_controller.ex b/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
index c258742dd..cd49da6ad 100644
--- a/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
@@ -21,7 +21,7 @@ defmodule Pleroma.Web.MastodonAPI.SearchController do
   # Note: Mastodon doesn't allow unauthenticated access (requires read:accounts / read:search)
   plug(OAuthScopesPlug, %{scopes: ["read:search"], fallback: :proceed_unauthenticated})
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  # Note: on private instances auth is required (EnsurePublicOrAuthenticatedPlug is not skipped)
 
   plug(RateLimiter, [name: :search] when action in [:search, :search2, :account_search])
 
diff --git a/lib/pleroma/web/mastodon_api/controllers/status_controller.ex b/lib/pleroma/web/mastodon_api/controllers/status_controller.ex
index f6e4f7d66..9eea2e9eb 100644
--- a/lib/pleroma/web/mastodon_api/controllers/status_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/status_controller.ex
@@ -24,6 +24,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusController do
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.ScheduledActivityView
 
+  plug(:skip_plug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action in [:index, :show])
+
   @unauthenticated_access %{fallback: :proceed_unauthenticated, scopes: []}
 
   plug(
@@ -77,8 +79,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusController do
     %{scopes: ["write:bookmarks"]} when action in [:bookmark, :unbookmark]
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action not in [:index, :show])
-
   @rate_limited_status_actions ~w(reblog unreblog favourite unfavourite create delete)a
 
   plug(
@@ -358,7 +358,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusController do
   end
 
   @doc "GET /api/v1/favourites"
-  def favourites(%{assigns: %{user: user}} = conn, params) do
+  def favourites(%{assigns: %{user: %User{} = user}} = conn, params) do
     activities =
       ActivityPub.fetch_favourites(
         user,
diff --git a/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex b/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
index 4647c1f96..d184ea1d0 100644
--- a/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
@@ -12,7 +12,7 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   action_fallback(:errors)
 
   plug(Pleroma.Plugs.OAuthScopesPlug, %{scopes: ["push"]})
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+
   plug(:restrict_push_enabled)
 
   # Creates PushSubscription
diff --git a/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex b/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
index 403d500e0..2d67e19da 100644
--- a/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
@@ -9,11 +9,14 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
     only: [add_link_headers: 2, add_link_headers: 3, truthy_param?: 1, skip_relationships?: 1]
 
   alias Pleroma.Pagination
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.Plugs.RateLimiter
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
 
+  plug(:skip_plug, EnsurePublicOrAuthenticatedPlug when action in [:public, :hashtag])
+
   # TODO: Replace with a macro when there is a Phoenix release with the following commit in it:
   # https://github.com/phoenixframework/phoenix/commit/2e8c63c01fec4dde5467dbbbf9705ff9e780735e
 
@@ -26,7 +29,11 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
   plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in [:home, :direct])
   plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :list)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action != :public)
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read:statuses"], fallback: :proceed_unauthenticated}
+    when action in [:public, :hashtag]
+  )
 
   plug(:put_view, Pleroma.Web.MastodonAPI.StatusView)
 
@@ -94,7 +101,9 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
 
     restrict? = Pleroma.Config.get([:restrict_unauthenticated, :timelines, cfg_key])
 
-    if not (restrict? and is_nil(user)) do
+    if restrict? and is_nil(user) do
+      render_error(conn, :unauthorized, "authorization required for timeline view")
+    else
       activities =
         params
         |> Map.put("type", ["Create", "Announce"])
@@ -112,12 +121,10 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
         as: :activity,
         skip_relationships: skip_relationships?(params)
       )
-    else
-      render_error(conn, :unauthorized, "authorization required for timeline view")
     end
   end
 
-  def hashtag_fetching(params, user, local_only) do
+  defp hashtag_fetching(params, user, local_only) do
     tags =
       [params["tag"], params["any"]]
       |> List.flatten()
diff --git a/lib/pleroma/web/media_proxy/media_proxy_controller.ex b/lib/pleroma/web/media_proxy/media_proxy_controller.ex
index 1a09ac62a..4657a4383 100644
--- a/lib/pleroma/web/media_proxy/media_proxy_controller.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy_controller.ex
@@ -4,6 +4,7 @@
 
 defmodule Pleroma.Web.MediaProxy.MediaProxyController do
   use Pleroma.Web, :controller
+
   alias Pleroma.ReverseProxy
   alias Pleroma.Web.MediaProxy
 
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 0121cd661..685269877 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -25,9 +25,10 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
   plug(:fetch_session)
   plug(:fetch_flash)
-  plug(RateLimiter, [name: :authentication] when action == :create_authorization)
 
-  plug(:skip_plug, Pleroma.Plugs.OAuthScopesPlug)
+  plug(:skip_plug, [Pleroma.Plugs.OAuthScopesPlug, Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug])
+
+  plug(RateLimiter, [name: :authentication] when action == :create_authorization)
 
   action_fallback(Pleroma.Web.OAuth.FallbackController)
 
diff --git a/lib/pleroma/web/pleroma_api/controllers/account_controller.ex b/lib/pleroma/web/pleroma_api/controllers/account_controller.ex
index 60405fbff..be7477867 100644
--- a/lib/pleroma/web/pleroma_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/account_controller.ex
@@ -9,6 +9,7 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
     only: [json_response: 3, add_link_headers: 2, assign_account_by_id: 2, skip_relationships?: 1]
 
   alias Ecto.Changeset
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.Plugs.RateLimiter
   alias Pleroma.User
@@ -18,6 +19,11 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
   require Pleroma.Constants
 
   plug(
+    :skip_plug,
+    [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :confirmation_resend
+  )
+
+  plug(
     OAuthScopesPlug,
     %{scopes: ["follow", "write:follows"]} when action in [:subscribe, :unsubscribe]
   )
@@ -33,15 +39,13 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
          ]
   )
 
-  plug(OAuthScopesPlug, %{scopes: ["read:favourites"]} when action == :favourites)
-
-  # An extra safety measure for possible actions not guarded by OAuth permissions specification
   plug(
-    Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
-    when action != :confirmation_resend
+    OAuthScopesPlug,
+    %{scopes: ["read:favourites"], fallback: :proceed_unauthenticated} when action == :favourites
   )
 
   plug(RateLimiter, [name: :account_confirmation_resend] when action == :confirmation_resend)
+
   plug(:assign_account_by_id when action in [:favourites, :subscribe, :unsubscribe])
   plug(:put_view, Pleroma.Web.MastodonAPI.AccountView)
 
diff --git a/lib/pleroma/web/pleroma_api/controllers/emoji_api_controller.ex b/lib/pleroma/web/pleroma_api/controllers/emoji_api_controller.ex
index 03e95e020..e01825b48 100644
--- a/lib/pleroma/web/pleroma_api/controllers/emoji_api_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/emoji_api_controller.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.PleromaAPI.EmojiAPIController do
   use Pleroma.Web, :controller
 
+  alias Pleroma.Plugs.ExpectPublicOrAuthenticatedCheckPlug
   alias Pleroma.Plugs.OAuthScopesPlug
 
   require Logger
@@ -11,17 +12,20 @@ defmodule Pleroma.Web.PleromaAPI.EmojiAPIController do
     when action in [
            :create,
            :delete,
-           :download_from,
-           :list_from,
+           :save_from,
            :import_from_fs,
            :update_file,
            :update_metadata
          ]
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(
+    :skip_plug,
+    [OAuthScopesPlug, ExpectPublicOrAuthenticatedCheckPlug]
+    when action in [:download_shared, :list_packs, :list_from]
+  )
 
-  def emoji_dir_path do
+  defp emoji_dir_path do
     Path.join(
       Pleroma.Config.get!([:instance, :static_dir]),
       "emoji"
@@ -212,13 +216,13 @@ keeping it in cache for #{div(cache_ms, 1000)}s")
   end
 
   @doc """
-  An admin endpoint to request downloading a pack named `pack_name` from the instance
+  An admin endpoint to request downloading and storing a pack named `pack_name` from the instance
   `instance_address`.
 
   If the requested instance's admin chose to share the pack, it will be downloaded
   from that instance, otherwise it will be downloaded from the fallback source, if there is one.
   """
-  def download_from(conn, %{"instance_address" => address, "pack_name" => name} = data) do
+  def save_from(conn, %{"instance_address" => address, "pack_name" => name} = data) do
     address = String.trim(address)
 
     if shareable_packs_available(address) do
diff --git a/lib/pleroma/web/pleroma_api/controllers/mascot_controller.ex b/lib/pleroma/web/pleroma_api/controllers/mascot_controller.ex
index d9c1c8636..d4e0d8b7c 100644
--- a/lib/pleroma/web/pleroma_api/controllers/mascot_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/mascot_controller.ex
@@ -12,8 +12,6 @@ defmodule Pleroma.Web.PleromaAPI.MascotController do
   plug(OAuthScopesPlug, %{scopes: ["read:accounts"]} when action == :show)
   plug(OAuthScopesPlug, %{scopes: ["write:accounts"]} when action != :show)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
-
   @doc "GET /api/v1/pleroma/mascot"
   def show(%{assigns: %{user: user}} = conn, _params) do
     json(conn, User.get_mascot(user))
diff --git a/lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex b/lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex
index fe1b97a20..2c1874051 100644
--- a/lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex
@@ -28,18 +28,26 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
 
   plug(
     OAuthScopesPlug,
+    %{scopes: ["read:statuses"], fallback: :proceed_unauthenticated}
+    when action == :emoji_reactions_by
+  )
+
+  plug(
+    OAuthScopesPlug,
     %{scopes: ["write:statuses"]}
     when action in [:react_with_emoji, :unreact_with_emoji]
   )
 
   plug(
     OAuthScopesPlug,
-    %{scopes: ["write:conversations"]} when action in [:update_conversation, :read_conversations]
+    %{scopes: ["write:conversations"]}
+    when action in [:update_conversation, :mark_conversations_as_read]
   )
 
-  plug(OAuthScopesPlug, %{scopes: ["write:notifications"]} when action == :read_notification)
-
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["write:notifications"]} when action == :mark_notifications_as_read
+  )
 
   def emoji_reactions_by(%{assigns: %{user: user}} = conn, %{"id" => activity_id} = params) do
     with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
@@ -167,7 +175,7 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
     end
   end
 
-  def read_conversations(%{assigns: %{user: user}} = conn, _params) do
+  def mark_conversations_as_read(%{assigns: %{user: user}} = conn, _params) do
     with {:ok, _, participations} <- Participation.mark_all_as_read(user) do
       conn
       |> add_link_headers(participations)
@@ -176,7 +184,7 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
     end
   end
 
-  def read_notification(%{assigns: %{user: user}} = conn, %{"id" => notification_id}) do
+  def mark_notifications_as_read(%{assigns: %{user: user}} = conn, %{"id" => notification_id}) do
     with {:ok, notification} <- Notification.read_one(user, notification_id) do
       conn
       |> put_view(NotificationView)
@@ -189,7 +197,7 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
     end
   end
 
-  def read_notification(%{assigns: %{user: user}} = conn, %{"max_id" => max_id} = params) do
+  def mark_notifications_as_read(%{assigns: %{user: user}} = conn, %{"max_id" => max_id} = params) do
     with notifications <- Notification.set_read_up_to(user, max_id) do
       notifications = Enum.take(notifications, 80)
 
diff --git a/lib/pleroma/web/pleroma_api/controllers/scrobble_controller.ex b/lib/pleroma/web/pleroma_api/controllers/scrobble_controller.ex
index 4463ec477..22da6c0ad 100644
--- a/lib/pleroma/web/pleroma_api/controllers/scrobble_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/scrobble_controller.ex
@@ -13,10 +13,12 @@ defmodule Pleroma.Web.PleromaAPI.ScrobbleController do
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.StatusView
 
-  plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :user_scrobbles)
-  plug(OAuthScopesPlug, %{scopes: ["write"]} when action != :user_scrobbles)
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["read"], fallback: :proceed_unauthenticated} when action == :user_scrobbles
+  )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(OAuthScopesPlug, %{scopes: ["write"]} when action != :user_scrobbles)
 
   def new_scrobble(%{assigns: %{user: user}} = conn, %{"title" => _} = params) do
     params =
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index aad2e3b98..e826bff6f 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -16,6 +16,14 @@ defmodule Pleroma.Web.Router do
     plug(Pleroma.Plugs.UserEnabledPlug)
   end
 
+  pipeline :expect_authentication do
+    plug(Pleroma.Plugs.ExpectAuthenticatedCheckPlug)
+  end
+
+  pipeline :expect_public_instance_or_authentication do
+    plug(Pleroma.Plugs.ExpectPublicOrAuthenticatedCheckPlug)
+  end
+
   pipeline :authenticate do
     plug(Pleroma.Plugs.OAuthPlug)
     plug(Pleroma.Plugs.BasicAuthDecoderPlug)
@@ -39,20 +47,22 @@ defmodule Pleroma.Web.Router do
   end
 
   pipeline :api do
+    plug(:expect_public_instance_or_authentication)
     plug(:base_api)
     plug(:after_auth)
     plug(Pleroma.Plugs.IdempotencyPlug)
   end
 
   pipeline :authenticated_api do
+    plug(:expect_authentication)
     plug(:base_api)
-    plug(Pleroma.Plugs.AuthExpectedPlug)
     plug(:after_auth)
     plug(Pleroma.Plugs.EnsureAuthenticatedPlug)
     plug(Pleroma.Plugs.IdempotencyPlug)
   end
 
   pipeline :admin_api do
+    plug(:expect_authentication)
     plug(:base_api)
     plug(Pleroma.Plugs.AdminSecretAuthenticationPlug)
     plug(:after_auth)
@@ -200,24 +210,28 @@ defmodule Pleroma.Web.Router do
   end
 
   scope "/api/pleroma/emoji", Pleroma.Web.PleromaAPI do
+    # Modifying packs
     scope "/packs" do
-      # Modifying packs
       pipe_through(:admin_api)
 
       post("/import_from_fs", EmojiAPIController, :import_from_fs)
-
       post("/:pack_name/update_file", EmojiAPIController, :update_file)
       post("/:pack_name/update_metadata", EmojiAPIController, :update_metadata)
       put("/:name", EmojiAPIController, :create)
       delete("/:name", EmojiAPIController, :delete)
-      post("/download_from", EmojiAPIController, :download_from)
-      post("/list_from", EmojiAPIController, :list_from)
+
+      # Note: /download_from downloads and saves to instance, not to requester
+      post("/download_from", EmojiAPIController, :save_from)
     end
 
+    # Pack info / downloading
     scope "/packs" do
-      # Pack info / downloading
       get("/", EmojiAPIController, :list_packs)
       get("/:name/download_shared/", EmojiAPIController, :download_shared)
+      get("/list_from", EmojiAPIController, :list_from)
+
+      # Deprecated: POST /api/pleroma/emoji/packs/list_from (use GET instead)
+      post("/list_from", EmojiAPIController, :list_from)
     end
   end
 
@@ -286,7 +300,7 @@ defmodule Pleroma.Web.Router do
 
       get("/conversations/:id/statuses", PleromaAPIController, :conversation_statuses)
       get("/conversations/:id", PleromaAPIController, :conversation)
-      post("/conversations/read", PleromaAPIController, :read_conversations)
+      post("/conversations/read", PleromaAPIController, :mark_conversations_as_read)
     end
 
     scope [] do
@@ -295,7 +309,7 @@ defmodule Pleroma.Web.Router do
       patch("/conversations/:id", PleromaAPIController, :update_conversation)
       put("/statuses/:id/reactions/:emoji", PleromaAPIController, :react_with_emoji)
       delete("/statuses/:id/reactions/:emoji", PleromaAPIController, :unreact_with_emoji)
-      post("/notifications/read", PleromaAPIController, :read_notification)
+      post("/notifications/read", PleromaAPIController, :mark_notifications_as_read)
 
       patch("/accounts/update_avatar", AccountController, :update_avatar)
       patch("/accounts/update_banner", AccountController, :update_banner)
@@ -331,53 +345,84 @@ defmodule Pleroma.Web.Router do
     pipe_through(:authenticated_api)
 
     get("/accounts/verify_credentials", AccountController, :verify_credentials)
+    patch("/accounts/update_credentials", AccountController, :update_credentials)
 
     get("/accounts/relationships", AccountController, :relationships)
-
     get("/accounts/:id/lists", AccountController, :lists)
     get("/accounts/:id/identity_proofs", AccountController, :identity_proofs)
-
-    get("/follow_requests", FollowRequestController, :index)
+    get("/endorsements", AccountController, :endorsements)
     get("/blocks", AccountController, :blocks)
     get("/mutes", AccountController, :mutes)
 
-    get("/timelines/home", TimelineController, :home)
-    get("/timelines/direct", TimelineController, :direct)
+    post("/follows", AccountController, :follow_by_uri)
+    post("/accounts/:id/follow", AccountController, :follow)
+    post("/accounts/:id/unfollow", AccountController, :unfollow)
+    post("/accounts/:id/block", AccountController, :block)
+    post("/accounts/:id/unblock", AccountController, :unblock)
+    post("/accounts/:id/mute", AccountController, :mute)
+    post("/accounts/:id/unmute", AccountController, :unmute)
 
-    get("/favourites", StatusController, :favourites)
-    get("/bookmarks", StatusController, :bookmarks)
+    get("/apps/verify_credentials", AppController, :verify_credentials)
+
+    get("/conversations", ConversationController, :index)
+    post("/conversations/:id/read", ConversationController, :mark_as_read)
+
+    get("/domain_blocks", DomainBlockController, :index)
+    post("/domain_blocks", DomainBlockController, :create)
+    delete("/domain_blocks", DomainBlockController, :delete)
+
+    get("/filters", FilterController, :index)
+
+    post("/filters", FilterController, :create)
+    get("/filters/:id", FilterController, :show)
+    put("/filters/:id", FilterController, :update)
+    delete("/filters/:id", FilterController, :delete)
+
+    get("/follow_requests", FollowRequestController, :index)
+    post("/follow_requests/:id/authorize", FollowRequestController, :authorize)
+    post("/follow_requests/:id/reject", FollowRequestController, :reject)
+
+    get("/lists", ListController, :index)
+    get("/lists/:id", ListController, :show)
+    get("/lists/:id/accounts", ListController, :list_accounts)
+
+    delete("/lists/:id", ListController, :delete)
+    post("/lists", ListController, :create)
+    put("/lists/:id", ListController, :update)
+    post("/lists/:id/accounts", ListController, :add_to_list)
+    delete("/lists/:id/accounts", ListController, :remove_from_list)
+
+    get("/markers", MarkerController, :index)
+    post("/markers", MarkerController, :upsert)
+
+    post("/media", MediaController, :create)
+    put("/media/:id", MediaController, :update)
 
     get("/notifications", NotificationController, :index)
     get("/notifications/:id", NotificationController, :show)
+
     post("/notifications/:id/dismiss", NotificationController, :dismiss)
     post("/notifications/clear", NotificationController, :clear)
     delete("/notifications/destroy_multiple", NotificationController, :destroy_multiple)
     # Deprecated: was removed in Mastodon v3, use `/notifications/:id/dismiss` instead
     post("/notifications/dismiss", NotificationController, :dismiss)
 
-    get("/scheduled_statuses", ScheduledActivityController, :index)
-    get("/scheduled_statuses/:id", ScheduledActivityController, :show)
-
-    get("/lists", ListController, :index)
-    get("/lists/:id", ListController, :show)
-    get("/lists/:id/accounts", ListController, :list_accounts)
-
-    get("/domain_blocks", DomainBlockController, :index)
-
-    get("/filters", FilterController, :index)
+    post("/polls/:id/votes", PollController, :vote)
 
-    get("/suggestions", SuggestionController, :index)
+    post("/reports", ReportController, :create)
 
-    get("/conversations", ConversationController, :index)
-    post("/conversations/:id/read", ConversationController, :read)
+    get("/scheduled_statuses", ScheduledActivityController, :index)
+    get("/scheduled_statuses/:id", ScheduledActivityController, :show)
 
-    get("/endorsements", AccountController, :endorsements)
+    put("/scheduled_statuses/:id", ScheduledActivityController, :update)
+    delete("/scheduled_statuses/:id", ScheduledActivityController, :delete)
 
-    patch("/accounts/update_credentials", AccountController, :update_credentials)
+    # Unlike `GET /api/v1/accounts/:id/favourites`, demands authentication
+    get("/favourites", StatusController, :favourites)
+    get("/bookmarks", StatusController, :bookmarks)
 
     post("/statuses", StatusController, :create)
     delete("/statuses/:id", StatusController, :delete)
-
     post("/statuses/:id/reblog", StatusController, :reblog)
     post("/statuses/:id/unreblog", StatusController, :unreblog)
     post("/statuses/:id/favourite", StatusController, :favourite)
@@ -389,49 +434,16 @@ defmodule Pleroma.Web.Router do
     post("/statuses/:id/mute", StatusController, :mute_conversation)
     post("/statuses/:id/unmute", StatusController, :unmute_conversation)
 
-    put("/scheduled_statuses/:id", ScheduledActivityController, :update)
-    delete("/scheduled_statuses/:id", ScheduledActivityController, :delete)
-
-    post("/polls/:id/votes", PollController, :vote)
-
-    post("/media", MediaController, :create)
-    put("/media/:id", MediaController, :update)
-
-    delete("/lists/:id", ListController, :delete)
-    post("/lists", ListController, :create)
-    put("/lists/:id", ListController, :update)
-
-    post("/lists/:id/accounts", ListController, :add_to_list)
-    delete("/lists/:id/accounts", ListController, :remove_from_list)
-
-    post("/filters", FilterController, :create)
-    get("/filters/:id", FilterController, :show)
-    put("/filters/:id", FilterController, :update)
-    delete("/filters/:id", FilterController, :delete)
-
-    post("/reports", ReportController, :create)
-
-    post("/follows", AccountController, :follows)
-    post("/accounts/:id/follow", AccountController, :follow)
-    post("/accounts/:id/unfollow", AccountController, :unfollow)
-    post("/accounts/:id/block", AccountController, :block)
-    post("/accounts/:id/unblock", AccountController, :unblock)
-    post("/accounts/:id/mute", AccountController, :mute)
-    post("/accounts/:id/unmute", AccountController, :unmute)
-
-    post("/follow_requests/:id/authorize", FollowRequestController, :authorize)
-    post("/follow_requests/:id/reject", FollowRequestController, :reject)
-
-    post("/domain_blocks", DomainBlockController, :create)
-    delete("/domain_blocks", DomainBlockController, :delete)
-
     post("/push/subscription", SubscriptionController, :create)
     get("/push/subscription", SubscriptionController, :get)
     put("/push/subscription", SubscriptionController, :update)
     delete("/push/subscription", SubscriptionController, :delete)
 
-    get("/markers", MarkerController, :index)
-    post("/markers", MarkerController, :upsert)
+    get("/suggestions", SuggestionController, :index)
+
+    get("/timelines/home", TimelineController, :home)
+    get("/timelines/direct", TimelineController, :direct)
+    get("/timelines/list/:list_id", TimelineController, :list)
   end
 
   scope "/api/web", Pleroma.Web do
@@ -443,15 +455,24 @@ defmodule Pleroma.Web.Router do
   scope "/api/v1", Pleroma.Web.MastodonAPI do
     pipe_through(:api)
 
-    post("/accounts", AccountController, :create)
     get("/accounts/search", SearchController, :account_search)
+    get("/search", SearchController, :search)
+
+    get("/accounts/:id/statuses", AccountController, :statuses)
+    get("/accounts/:id/followers", AccountController, :followers)
+    get("/accounts/:id/following", AccountController, :following)
+    get("/accounts/:id", AccountController, :show)
+
+    post("/accounts", AccountController, :create)
 
     get("/instance", InstanceController, :show)
     get("/instance/peers", InstanceController, :peers)
 
     post("/apps", AppController, :create)
-    get("/apps/verify_credentials", AppController, :verify_credentials)
 
+    get("/statuses", StatusController, :index)
+    get("/statuses/:id", StatusController, :show)
+    get("/statuses/:id/context", StatusController, :context)
     get("/statuses/:id/card", StatusController, :card)
     get("/statuses/:id/favourited_by", StatusController, :favourited_by)
     get("/statuses/:id/reblogged_by", StatusController, :reblogged_by)
@@ -462,20 +483,8 @@ defmodule Pleroma.Web.Router do
 
     get("/timelines/public", TimelineController, :public)
     get("/timelines/tag/:tag", TimelineController, :hashtag)
-    get("/timelines/list/:list_id", TimelineController, :list)
-
-    get("/statuses", StatusController, :index)
-    get("/statuses/:id", StatusController, :show)
-    get("/statuses/:id/context", StatusController, :context)
 
     get("/polls/:id", PollController, :show)
-
-    get("/accounts/:id/statuses", AccountController, :statuses)
-    get("/accounts/:id/followers", AccountController, :followers)
-    get("/accounts/:id/following", AccountController, :following)
-    get("/accounts/:id", AccountController, :show)
-
-    get("/search", SearchController, :search)
   end
 
   scope "/api/v2", Pleroma.Web.MastodonAPI do
@@ -516,7 +525,11 @@ defmodule Pleroma.Web.Router do
     get("/oauth_tokens", TwitterAPI.Controller, :oauth_tokens)
     delete("/oauth_tokens/:id", TwitterAPI.Controller, :revoke_token)
 
-    post("/qvitter/statuses/notifications/read", TwitterAPI.Controller, :notifications_read)
+    post(
+      "/qvitter/statuses/notifications/read",
+      TwitterAPI.Controller,
+      :mark_notifications_as_read
+    )
   end
 
   pipeline :ostatus do
@@ -656,11 +669,28 @@ defmodule Pleroma.Web.Router do
 
   # Test-only routes needed to test action dispatching and plug chain execution
   if Pleroma.Config.get(:env) == :test do
+    @test_actions [
+      :do_oauth_check,
+      :fallback_oauth_check,
+      :skip_oauth_check,
+      :fallback_oauth_skip_publicity_check,
+      :skip_oauth_skip_publicity_check,
+      :missing_oauth_check_definition
+    ]
+
+    scope "/test/api", Pleroma.Tests do
+      pipe_through(:api)
+
+      for action <- @test_actions do
+        get("/#{action}", AuthTestController, action)
+      end
+    end
+
     scope "/test/authenticated_api", Pleroma.Tests do
       pipe_through(:authenticated_api)
 
-      for action <- [:skipped_oauth, :performed_oauth, :missed_oauth] do
-        get("/#{action}", OAuthTestController, action)
+      for action <- @test_actions do
+        get("/#{action}", AuthTestController, action)
       end
     end
   end
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index d5d5ce08f..fd2aee175 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -25,13 +25,6 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
     when action == :follow_import
   )
 
-  # Note: follower can submit the form (with password auth) not being signed in (having no token)
-  plug(
-    OAuthScopesPlug,
-    %{fallback: :proceed_unauthenticated, scopes: ["follow", "write:follows"]}
-    when action == :do_remote_follow
-  )
-
   plug(OAuthScopesPlug, %{scopes: ["follow", "write:blocks"]} when action == :blocks_import)
 
   plug(
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 31adc2817..c2de26b0b 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -6,6 +6,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   use Pleroma.Web, :controller
 
   alias Pleroma.Notification
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.User
   alias Pleroma.Web.OAuth.Token
@@ -13,11 +14,17 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
 
   require Logger
 
-  plug(OAuthScopesPlug, %{scopes: ["write:notifications"]} when action == :notifications_read)
+  plug(
+    OAuthScopesPlug,
+    %{scopes: ["write:notifications"]} when action == :mark_notifications_as_read
+  )
 
-  plug(:skip_plug, OAuthScopesPlug when action in [:oauth_tokens, :revoke_token])
+  plug(
+    :skip_plug,
+    [OAuthScopesPlug, EnsurePublicOrAuthenticatedPlug] when action == :confirm_email
+  )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(:skip_plug, OAuthScopesPlug when action in [:oauth_tokens, :revoke_token])
 
   action_fallback(:errors)
 
@@ -46,13 +53,13 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
     json_reply(conn, 201, "")
   end
 
-  def errors(conn, {:param_cast, _}) do
+  defp errors(conn, {:param_cast, _}) do
     conn
     |> put_status(400)
     |> json("Invalid parameters")
   end
 
-  def errors(conn, _) do
+  defp errors(conn, _) do
     conn
     |> put_status(500)
     |> json("Something went wrong")
@@ -64,7 +71,10 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
     |> send_resp(status, json)
   end
 
-  def notifications_read(%{assigns: %{user: user}} = conn, %{"latest_id" => latest_id} = params) do
+  def mark_notifications_as_read(
+        %{assigns: %{user: user}} = conn,
+        %{"latest_id" => latest_id} = params
+      ) do
     Notification.set_read_up_to(user, latest_id)
 
     notifications = Notification.for_user(user, params)
@@ -75,7 +85,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
     |> render("index.json", %{notifications: notifications, for: user})
   end
 
-  def notifications_read(%{assigns: %{user: _user}} = conn, _) do
+  def mark_notifications_as_read(%{assigns: %{user: _user}} = conn, _) do
     bad_request_reply(conn, "You need to specify latest_id")
   end
 
diff --git a/lib/pleroma/web/web.ex b/lib/pleroma/web/web.ex
index bf48ce26c..08e42a7e5 100644
--- a/lib/pleroma/web/web.ex
+++ b/lib/pleroma/web/web.ex
@@ -2,6 +2,11 @@
 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
+defmodule Pleroma.Web.Plug do
+  # Substitute for `call/2` which is defined with `use Pleroma.Web, :plug`
+  @callback perform(Plug.Conn.t(), Plug.opts()) :: Plug.Conn.t()
+end
+
 defmodule Pleroma.Web do
   @moduledoc """
   A module that keeps using definitions for controllers,
@@ -20,44 +25,91 @@ defmodule Pleroma.Web do
   below.
   """
 
+  alias Pleroma.Plugs.EnsureAuthenticatedPlug
+  alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
+  alias Pleroma.Plugs.ExpectAuthenticatedCheckPlug
+  alias Pleroma.Plugs.ExpectPublicOrAuthenticatedCheckPlug
+  alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.Plugs.PlugHelper
+
   def controller do
     quote do
       use Phoenix.Controller, namespace: Pleroma.Web
 
       import Plug.Conn
+
       import Pleroma.Web.Gettext
       import Pleroma.Web.Router.Helpers
       import Pleroma.Web.TranslationHelpers
 
-      alias Pleroma.Plugs.PlugHelper
-
       plug(:set_put_layout)
 
       defp set_put_layout(conn, _) do
         put_layout(conn, Pleroma.Config.get(:app_layout, "app.html"))
       end
 
-      # Marks a plug intentionally skipped and blocks its execution if it's present in plugs chain
-      defp skip_plug(conn, plug_module) do
-        try do
-          plug_module.skip_plug(conn)
-        rescue
-          UndefinedFunctionError ->
-            raise "#{plug_module} is not skippable. Append `use Pleroma.Web, :plug` to its code."
-        end
+      # Marks plugs intentionally skipped and blocks their execution if present in plugs chain
+      defp skip_plug(conn, plug_modules) do
+        plug_modules
+        |> List.wrap()
+        |> Enum.reduce(
+          conn,
+          fn plug_module, conn ->
+            try do
+              plug_module.skip_plug(conn)
+            rescue
+              UndefinedFunctionError ->
+                raise "`#{plug_module}` is not skippable. Append `use Pleroma.Web, :plug` to its code."
+            end
+          end
+        )
       end
 
       # Executed just before actual controller action, invokes before-action hooks (callbacks)
       defp action(conn, params) do
-        with %Plug.Conn{halted: false} <- maybe_halt_on_missing_oauth_scopes_check(conn) do
+        with %{halted: false} = conn <- maybe_drop_authentication_if_oauth_check_ignored(conn),
+             %{halted: false} = conn <- maybe_perform_public_or_authenticated_check(conn),
+             %{halted: false} = conn <- maybe_perform_authenticated_check(conn),
+             %{halted: false} = conn <- maybe_halt_on_missing_oauth_scopes_check(conn) do
           super(conn, params)
         end
       end
 
+      # For non-authenticated API actions, drops auth info if OAuth scopes check was ignored
+      #   (neither performed nor explicitly skipped)
+      defp maybe_drop_authentication_if_oauth_check_ignored(conn) do
+        if PlugHelper.plug_called?(conn, ExpectPublicOrAuthenticatedCheckPlug) and
+             not PlugHelper.plug_called_or_skipped?(conn, OAuthScopesPlug) do
+          OAuthScopesPlug.drop_auth_info(conn)
+        else
+          conn
+        end
+      end
+
+      # Ensures instance is public -or- user is authenticated if such check was scheduled
+      defp maybe_perform_public_or_authenticated_check(conn) do
+        if PlugHelper.plug_called?(conn, ExpectPublicOrAuthenticatedCheckPlug) do
+          EnsurePublicOrAuthenticatedPlug.call(conn, %{})
+        else
+          conn
+        end
+      end
+
+      # Ensures user is authenticated if such check was scheduled
+      # Note: runs prior to action even if it was already executed earlier in plug chain
+      #   (since OAuthScopesPlug has option of proceeding unauthenticated)
+      defp maybe_perform_authenticated_check(conn) do
+        if PlugHelper.plug_called?(conn, ExpectAuthenticatedCheckPlug) do
+          EnsureAuthenticatedPlug.call(conn, %{})
+        else
+          conn
+        end
+      end
+
       # Halts if authenticated API action neither performs nor explicitly skips OAuth scopes check
       defp maybe_halt_on_missing_oauth_scopes_check(conn) do
-        if Pleroma.Plugs.AuthExpectedPlug.auth_expected?(conn) &&
-             not PlugHelper.plug_called_or_skipped?(conn, Pleroma.Plugs.OAuthScopesPlug) do
+        if PlugHelper.plug_called?(conn, ExpectAuthenticatedCheckPlug) and
+             not PlugHelper.plug_called_or_skipped?(conn, OAuthScopesPlug) do
           conn
           |> render_error(
             :forbidden,
@@ -132,7 +184,8 @@ defmodule Pleroma.Web do
 
   def plug do
     quote do
-      alias Pleroma.Plugs.PlugHelper
+      @behaviour Pleroma.Web.Plug
+      @behaviour Plug
 
       @doc """
       Marks a plug intentionally skipped and blocks its execution if it's present in plugs chain.
@@ -146,14 +199,22 @@ defmodule Pleroma.Web do
       end
 
       @impl Plug
-      @doc "If marked as skipped, returns `conn`, and calls `perform/2` otherwise."
+      @doc """
+      If marked as skipped, returns `conn`, otherwise calls `perform/2`.
+      Note: multiple invocations of the same plug (with different or same options) are allowed.
+      """
       def call(%Plug.Conn{} = conn, options) do
         if PlugHelper.plug_skipped?(conn, __MODULE__) do
           conn
         else
-          conn
-          |> PlugHelper.append_to_private_list(PlugHelper.called_plugs_list_id(), __MODULE__)
-          |> perform(options)
+          conn =
+            PlugHelper.append_to_private_list(
+              conn,
+              PlugHelper.called_plugs_list_id(),
+              __MODULE__
+            )
+
+          apply(__MODULE__, :perform, [conn, options])
         end
       end
     end