Merge remote-tracking branch 'remotes/origin/develop' into 1364-no-pushes-from-blocked-domains-users

# Conflicts:
#	CHANGELOG.md

57 files changed, 866 insertions, 475 deletions

diff --git a/lib/mix/tasks/pleroma/app.ex b/lib/mix/tasks/pleroma/app.ex
new file mode 100644
index 000000000..463e2449f
--- /dev/null
+++ b/lib/mix/tasks/pleroma/app.ex
@@ -0,0 +1,49 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Tasks.Pleroma.App do
+  @moduledoc File.read!("docs/administration/CLI_tasks/oauth_app.md")
+  use Mix.Task
+
+  import Mix.Pleroma
+
+  @shortdoc "Creates trusted OAuth App"
+
+  def run(["create" | options]) do
+    start_pleroma()
+
+    {opts, _} =
+      OptionParser.parse!(options,
+        strict: [name: :string, redirect_uri: :string, scopes: :string],
+        aliases: [n: :name, r: :redirect_uri, s: :scopes]
+      )
+
+    scopes =
+      if opts[:scopes] do
+        String.split(opts[:scopes], ",")
+      else
+        ["read", "write", "follow", "push"]
+      end
+
+    params = %{
+      client_name: opts[:name],
+      redirect_uris: opts[:redirect_uri],
+      trusted: true,
+      scopes: scopes
+    }
+
+    with {:ok, app} <- Pleroma.Web.OAuth.App.create(params) do
+      shell_info("#{app.client_name} successfully created:")
+      shell_info("App client_id: " <> app.client_id)
+      shell_info("App client_secret: " <> app.client_secret)
+    else
+      {:error, changeset} ->
+        shell_error("Creating failed:")
+
+        Enum.each(Pleroma.Web.OAuth.App.errors(changeset), fn {key, error} ->
+          shell_error("#{key}: #{error}")
+        end)
+    end
+  end
+end
diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index 5a8329e69..6213d0eb7 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -27,17 +27,13 @@ defmodule Pleroma.Activity do
   # https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
   @mastodon_notification_types %{
     "Create" => "mention",
-    "Follow" => "follow",
+    "Follow" => ["follow", "follow_request"],
     "Announce" => "reblog",
     "Like" => "favourite",
     "Move" => "move",
     "EmojiReact" => "pleroma:emoji_reaction"
   }
 
-  @mastodon_to_ap_notification_types for {k, v} <- @mastodon_notification_types,
-                                         into: %{},
-                                         do: {v, k}
-
   schema "activities" do
     field(:data, :map)
     field(:local, :boolean, default: true)
@@ -291,15 +287,43 @@ defmodule Pleroma.Activity do
 
   defp purge_web_resp_cache(nil), do: nil
 
-  for {ap_type, type} <- @mastodon_notification_types do
+  def follow_accepted?(
+        %Activity{data: %{"type" => "Follow", "object" => followed_ap_id}} = activity
+      ) do
+    with %User{} = follower <- Activity.user_actor(activity),
+         %User{} = followed <- User.get_cached_by_ap_id(followed_ap_id) do
+      Pleroma.FollowingRelationship.following?(follower, followed)
+    else
+      _ -> false
+    end
+  end
+
+  def follow_accepted?(_), do: false
+
+  @spec mastodon_notification_type(Activity.t()) :: String.t() | nil
+
+  for {ap_type, type} <- @mastodon_notification_types, not is_list(type) do
     def mastodon_notification_type(%Activity{data: %{"type" => unquote(ap_type)}}),
       do: unquote(type)
   end
 
+  def mastodon_notification_type(%Activity{data: %{"type" => "Follow"}} = activity) do
+    if follow_accepted?(activity) do
+      "follow"
+    else
+      "follow_request"
+    end
+  end
+
   def mastodon_notification_type(%Activity{}), do: nil
 
+  @spec from_mastodon_notification_type(String.t()) :: String.t() | nil
+  @doc "Converts Mastodon notification type to AR activity type"
   def from_mastodon_notification_type(type) do
-    Map.get(@mastodon_to_ap_notification_types, type)
+    with {k, _v} <-
+           Enum.find(@mastodon_notification_types, fn {_k, v} -> type in List.wrap(v) end) do
+      k
+    end
   end
 
   def all_by_actor_and_id(actor, status_ids \\ [])
diff --git a/lib/pleroma/config/transfer_task.ex b/lib/pleroma/config/transfer_task.ex
index 3871e1cbb..f4722f99d 100644
--- a/lib/pleroma/config/transfer_task.ex
+++ b/lib/pleroma/config/transfer_task.ex
@@ -122,7 +122,7 @@ defmodule Pleroma.Config.TransferTask do
     :ok = update_env(:logger, :backends, merged)
   end
 
-  defp configure({group, key, _, merged}) do
+  defp configure({_, key, _, merged}) when key in [:console, :ex_syslogger] do
     merged =
       if key == :console do
         put_in(merged[:format], merged[:format] <> "\n")
@@ -136,7 +136,12 @@ defmodule Pleroma.Config.TransferTask do
         else: key
 
     Logger.configure_backend(backend, merged)
-    :ok = update_env(:logger, group, merged)
+    :ok = update_env(:logger, key, merged)
+  end
+
+  defp configure({_, key, _, merged}) do
+    Logger.configure([{key, merged}])
+    :ok = update_env(:logger, key, merged)
   end
 
   defp update({group, key, value, merged}) do
diff --git a/lib/pleroma/emoji/formatter.ex b/lib/pleroma/emoji/formatter.ex
index 59ff2cac3..dc45b8a38 100644
--- a/lib/pleroma/emoji/formatter.ex
+++ b/lib/pleroma/emoji/formatter.ex
@@ -38,22 +38,14 @@ defmodule Pleroma.Emoji.Formatter do
 
   def demojify(text, nil), do: text
 
-  @doc "Outputs a list of the emoji-shortcodes in a text"
-  def get_emoji(text) when is_binary(text) do
-    Enum.filter(Emoji.get_all(), fn {emoji, %Emoji{}} ->
-      String.contains?(text, ":#{emoji}:")
-    end)
-  end
-
-  def get_emoji(_), do: []
-
   @doc "Outputs a list of the emoji-Maps in a text"
   def get_emoji_map(text) when is_binary(text) do
-    get_emoji(text)
+    Emoji.get_all()
+    |> Enum.filter(fn {emoji, %Emoji{}} -> String.contains?(text, ":#{emoji}:") end)
     |> Enum.reduce(%{}, fn {name, %Emoji{file: file}}, acc ->
       Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}")
     end)
   end
 
-  def get_emoji_map(_), do: []
+  def get_emoji_map(_), do: %{}
 end
diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index c44e7fc8b..02a93a8dc 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -31,7 +31,7 @@ defmodule Pleroma.Formatter do
   def mention_handler("@" <> nickname, buffer, opts, acc) do
     case User.get_cached_by_nickname(nickname) do
       %User{id: id} = user ->
-        ap_id = get_ap_id(user)
+        user_url = user.uri || user.ap_id
         nickname_text = get_nickname_text(nickname, opts)
 
         link =
@@ -42,7 +42,7 @@ defmodule Pleroma.Formatter do
               ["@", Phoenix.HTML.Tag.content_tag(:span, nickname_text)],
               "data-user": id,
               class: "u-url mention",
-              href: ap_id,
+              href: user_url,
               rel: "ugc"
             ),
             class: "h-card"
@@ -146,9 +146,6 @@ defmodule Pleroma.Formatter do
     end
   end
 
-  defp get_ap_id(%User{source_data: %{"url" => url}}) when is_binary(url), do: url
-  defp get_ap_id(%User{ap_id: ap_id}), do: ap_id
-
   defp get_nickname_text(nickname, %{mentions_format: :full}), do: User.full_nickname(nickname)
   defp get_nickname_text(nickname, _), do: User.local_nickname(nickname)
 end
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index b76dd176c..d305a43ba 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -283,8 +283,17 @@ defmodule Pleroma.Notification do
     end
   end
 
+  def create_notifications(%Activity{data: %{"type" => "Follow"}} = activity) do
+    if Pleroma.Config.get([:notifications, :enable_follow_request_notifications]) ||
+         Activity.follow_accepted?(activity) do
+      do_create_notifications(activity)
+    else
+      {:ok, []}
+    end
+  end
+
   def create_notifications(%Activity{data: %{"type" => type}} = activity)
-      when type in ["Like", "Announce", "Follow", "Move", "EmojiReact"] do
+      when type in ["Like", "Announce", "Move", "EmojiReact"] do
     do_create_notifications(activity)
   end
 
diff --git a/lib/pleroma/plugs/auth_expected_plug.ex b/lib/pleroma/plugs/auth_expected_plug.ex
new file mode 100644
index 000000000..f79597dc3
--- /dev/null
+++ b/lib/pleroma/plugs/auth_expected_plug.ex
@@ -0,0 +1,17 @@
+# 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/authentication_plug.ex b/lib/pleroma/plugs/authentication_plug.ex
index 089028d77..0061c69dc 100644
--- a/lib/pleroma/plugs/authentication_plug.ex
+++ b/lib/pleroma/plugs/authentication_plug.ex
@@ -4,8 +4,11 @@
 
 defmodule Pleroma.Plugs.AuthenticationPlug do
   alias Comeonin.Pbkdf2
-  import Plug.Conn
+  alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.User
+
+  import Plug.Conn
+
   require Logger
 
   def init(options), do: options
@@ -37,6 +40,7 @@ defmodule Pleroma.Plugs.AuthenticationPlug do
     if Pbkdf2.checkpw(password, password_hash) do
       conn
       |> assign(:user, auth_user)
+      |> OAuthScopesPlug.skip_plug()
     else
       conn
     end
diff --git a/lib/pleroma/plugs/legacy_authentication_plug.ex b/lib/pleroma/plugs/legacy_authentication_plug.ex
index 5c5c36c56..d346e01a6 100644
--- a/lib/pleroma/plugs/legacy_authentication_plug.ex
+++ b/lib/pleroma/plugs/legacy_authentication_plug.ex
@@ -4,6 +4,8 @@
 
 defmodule Pleroma.Plugs.LegacyAuthenticationPlug do
   import Plug.Conn
+
+  alias Pleroma.Plugs.OAuthScopesPlug
   alias Pleroma.User
 
   def init(options) do
@@ -27,6 +29,7 @@ defmodule Pleroma.Plugs.LegacyAuthenticationPlug do
       conn
       |> assign(:auth_user, user)
       |> assign(:user, user)
+      |> OAuthScopesPlug.skip_plug()
     else
       _ ->
         conn
diff --git a/lib/pleroma/plugs/oauth_scopes_plug.ex b/lib/pleroma/plugs/oauth_scopes_plug.ex
index 38df074ad..66f48c28c 100644
--- a/lib/pleroma/plugs/oauth_scopes_plug.ex
+++ b/lib/pleroma/plugs/oauth_scopes_plug.ex
@@ -8,12 +8,15 @@ defmodule Pleroma.Plugs.OAuthScopesPlug do
 
   alias Pleroma.Config
   alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
+  alias Pleroma.Plugs.PlugHelper
+
+  use Pleroma.Web, :plug
 
   @behaviour Plug
 
   def init(%{scopes: _} = options), do: options
 
-  def call(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
+  def perform(%Plug.Conn{assigns: assigns} = conn, %{scopes: scopes} = options) do
     op = options[:op] || :|
     token = assigns[:token]
 
diff --git a/lib/pleroma/plugs/plug_helper.ex b/lib/pleroma/plugs/plug_helper.ex
new file mode 100644
index 000000000..9c67be8ef
--- /dev/null
+++ b/lib/pleroma/plugs/plug_helper.ex
@@ -0,0 +1,40 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.PlugHelper do
+  @moduledoc "Pleroma Plug helper"
+
+  @called_plugs_list_id :called_plugs
+  def called_plugs_list_id, do: @called_plugs_list_id
+
+  @skipped_plugs_list_id :skipped_plugs
+  def skipped_plugs_list_id, do: @skipped_plugs_list_id
+
+  @doc "Returns `true` if specified plug was called."
+  def plug_called?(conn, plug_module) do
+    contained_in_private_list?(conn, @called_plugs_list_id, plug_module)
+  end
+
+  @doc "Returns `true` if specified plug was explicitly marked as skipped."
+  def plug_skipped?(conn, plug_module) do
+    contained_in_private_list?(conn, @skipped_plugs_list_id, plug_module)
+  end
+
+  @doc "Returns `true` if specified plug was either called or explicitly marked as skipped."
+  def plug_called_or_skipped?(conn, plug_module) do
+    plug_called?(conn, plug_module) || plug_skipped?(conn, plug_module)
+  end
+
+  # Appends plug to known list (skipped, called). Intended to be used from within plug code only.
+  def append_to_private_list(conn, list_id, value) do
+    list = conn.private[list_id] || []
+    modified_list = Enum.uniq(list ++ [value])
+    Plug.Conn.put_private(conn, list_id, modified_list)
+  end
+
+  defp contained_in_private_list?(conn, private_variable, value) do
+    list = conn.private[private_variable] || []
+    value in list
+  end
+end
diff --git a/lib/pleroma/plugs/rate_limiter/rate_limiter.ex b/lib/pleroma/plugs/rate_limiter/rate_limiter.ex
index 1529da717..c51e2c634 100644
--- a/lib/pleroma/plugs/rate_limiter/rate_limiter.ex
+++ b/lib/pleroma/plugs/rate_limiter/rate_limiter.ex
@@ -110,20 +110,9 @@ defmodule Pleroma.Plugs.RateLimiter do
   end
 
   def disabled?(conn) do
-    localhost_or_socket =
-      case Config.get([Pleroma.Web.Endpoint, :http, :ip]) do
-        {127, 0, 0, 1} -> true
-        {0, 0, 0, 0, 0, 0, 0, 1} -> true
-        {:local, _} -> true
-        _ -> false
-      end
-
-    remote_ip_not_found =
-      if Map.has_key?(conn.assigns, :remote_ip_found),
-        do: !conn.assigns.remote_ip_found,
-        else: false
-
-    localhost_or_socket and remote_ip_not_found
+    if Map.has_key?(conn.assigns, :remote_ip_found),
+      do: !conn.assigns.remote_ip_found,
+      else: false
   end
 
   @inspect_bucket_not_found {:error, :not_found}
diff --git a/lib/pleroma/plugs/remote_ip.ex b/lib/pleroma/plugs/remote_ip.ex
index 0ac9050d0..2eca4f8f6 100644
--- a/lib/pleroma/plugs/remote_ip.ex
+++ b/lib/pleroma/plugs/remote_ip.ex
@@ -7,8 +7,6 @@ defmodule Pleroma.Plugs.RemoteIp do
   This is a shim to call [`RemoteIp`](https://git.pleroma.social/pleroma/remote_ip) but with runtime configuration.
   """
 
-  import Plug.Conn
-
   @behaviour Plug
 
   @headers ~w[
@@ -28,12 +26,11 @@ defmodule Pleroma.Plugs.RemoteIp do
 
   def init(_), do: nil
 
-  def call(%{remote_ip: original_remote_ip} = conn, _) do
+  def call(conn, _) do
     config = Pleroma.Config.get(__MODULE__, [])
 
     if Keyword.get(config, :enabled, false) do
-      %{remote_ip: new_remote_ip} = conn = RemoteIp.call(conn, remote_ip_opts(config))
-      assign(conn, :remote_ip_found, original_remote_ip != new_remote_ip)
+      RemoteIp.call(conn, remote_ip_opts(config))
     else
       conn
     end
diff --git a/lib/pleroma/plugs/uploaded_media.ex b/lib/pleroma/plugs/uploaded_media.ex
index 36ff024a7..94147e0c4 100644
--- a/lib/pleroma/plugs/uploaded_media.ex
+++ b/lib/pleroma/plugs/uploaded_media.ex
@@ -41,6 +41,7 @@ defmodule Pleroma.Plugs.UploadedMedia do
         conn ->
           conn
       end
+      |> merge_resp_headers([{"content-security-policy", "sandbox"}])
 
     config = Pleroma.Config.get(Pleroma.Upload)
 
diff --git a/lib/pleroma/tests/oauth_test_controller.ex b/lib/pleroma/tests/oauth_test_controller.ex
new file mode 100644
index 000000000..58d517f78
--- /dev/null
+++ b/lib/pleroma/tests/oauth_test_controller.ex
@@ -0,0 +1,31 @@
+# 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/user.ex b/lib/pleroma/user.ex
index 670ce397b..bef4679cb 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -15,6 +15,7 @@ defmodule Pleroma.User do
   alias Pleroma.Config
   alias Pleroma.Conversation.Participation
   alias Pleroma.Delivery
+  alias Pleroma.Emoji
   alias Pleroma.FollowingRelationship
   alias Pleroma.Formatter
   alias Pleroma.HTML
@@ -28,6 +29,7 @@ defmodule Pleroma.User do
   alias Pleroma.UserRelationship
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.ObjectValidators.Types
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
@@ -82,6 +84,7 @@ defmodule Pleroma.User do
     field(:password, :string, virtual: true)
     field(:password_confirmation, :string, virtual: true)
     field(:keys, :string)
+    field(:public_key, :string)
     field(:ap_id, :string)
     field(:avatar, :map)
     field(:local, :boolean, default: true)
@@ -94,7 +97,6 @@ defmodule Pleroma.User do
     field(:last_digest_emailed_at, :naive_datetime)
     field(:banner, :map, default: %{})
     field(:background, :map, default: %{})
-    field(:source_data, :map, default: %{})
     field(:note_count, :integer, default: 0)
     field(:follower_count, :integer, default: 0)
     field(:following_count, :integer, default: 0)
@@ -112,7 +114,7 @@ defmodule Pleroma.User do
     field(:show_role, :boolean, default: true)
     field(:settings, :map, default: nil)
     field(:magic_key, :string, default: nil)
-    field(:uri, :string, default: nil)
+    field(:uri, Types.Uri, default: nil)
     field(:hide_followers_count, :boolean, default: false)
     field(:hide_follows_count, :boolean, default: false)
     field(:hide_followers, :boolean, default: false)
@@ -122,7 +124,7 @@ defmodule Pleroma.User do
     field(:pinned_activities, {:array, :string}, default: [])
     field(:email_notifications, :map, default: %{"digest" => false})
     field(:mascot, :map, default: nil)
-    field(:emoji, {:array, :map}, default: [])
+    field(:emoji, :map, default: %{})
     field(:pleroma_settings_store, :map, default: %{})
     field(:fields, {:array, :map}, default: [])
     field(:raw_fields, {:array, :map}, default: [])
@@ -132,6 +134,8 @@ defmodule Pleroma.User do
     field(:skip_thread_containment, :boolean, default: false)
     field(:actor_type, :string, default: "Person")
     field(:also_known_as, {:array, :string}, default: [])
+    field(:inbox, :string)
+    field(:shared_inbox, :string)
 
     embeds_one(
       :notification_settings,
@@ -306,6 +310,7 @@ defmodule Pleroma.User do
     end
   end
 
+  # Should probably be renamed or removed
   def ap_id(%User{nickname: nickname}), do: "#{Web.base_url()}/users/#{nickname}"
 
   def ap_followers(%User{follower_address: fa}) when is_binary(fa), do: fa
@@ -339,62 +344,72 @@ defmodule Pleroma.User do
     end
   end
 
-  def remote_user_creation(params) do
+  defp fix_follower_address(%{follower_address: _, following_address: _} = params), do: params
+
+  defp fix_follower_address(%{nickname: nickname} = params),
+    do: Map.put(params, :follower_address, ap_followers(%User{nickname: nickname}))
+
+  defp fix_follower_address(params), do: params
+
+  def remote_user_changeset(struct \\ %User{local: false}, params) do
     bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
     name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)
 
+    name =
+      case params[:name] do
+        name when is_binary(name) and byte_size(name) > 0 -> name
+        _ -> params[:nickname]
+      end
+
     params =
       params
+      |> Map.put(:name, name)
+      |> Map.put_new(:last_refreshed_at, NaiveDateTime.utc_now())
       |> truncate_if_exists(:name, name_limit)
       |> truncate_if_exists(:bio, bio_limit)
       |> truncate_fields_param()
+      |> fix_follower_address()
 
-    changeset =
-      %User{local: false}
-      |> cast(
-        params,
-        [
-          :bio,
-          :name,
-          :ap_id,
-          :nickname,
-          :avatar,
-          :ap_enabled,
-          :source_data,
-          :banner,
-          :locked,
-          :magic_key,
-          :uri,
-          :hide_followers,
-          :hide_follows,
-          :hide_followers_count,
-          :hide_follows_count,
-          :follower_count,
-          :fields,
-          :following_count,
-          :discoverable,
-          :invisible,
-          :actor_type,
-          :also_known_as
-        ]
-      )
-      |> validate_required([:name, :ap_id])
-      |> unique_constraint(:nickname)
-      |> validate_format(:nickname, @email_regex)
-      |> validate_length(:bio, max: bio_limit)
-      |> validate_length(:name, max: name_limit)
-      |> validate_fields(true)
-
-    case params[:source_data] do
-      %{"followers" => followers, "following" => following} ->
-        changeset
-        |> put_change(:follower_address, followers)
-        |> put_change(:following_address, following)
-
-      _ ->
-        followers = ap_followers(%User{nickname: get_field(changeset, :nickname)})
-        put_change(changeset, :follower_address, followers)
-    end
+    struct
+    |> cast(
+      params,
+      [
+        :bio,
+        :name,
+        :emoji,
+        :ap_id,
+        :inbox,
+        :shared_inbox,
+        :nickname,
+        :public_key,
+        :avatar,
+        :ap_enabled,
+        :banner,
+        :locked,
+        :last_refreshed_at,
+        :magic_key,
+        :uri,
+        :follower_address,
+        :following_address,
+        :hide_followers,
+        :hide_follows,
+        :hide_followers_count,
+        :hide_follows_count,
+        :follower_count,
+        :fields,
+        :following_count,
+        :discoverable,
+        :invisible,
+        :actor_type,
+        :also_known_as
+      ]
+    )
+    |> validate_required([:name, :ap_id])
+    |> unique_constraint(:nickname)
+    |> validate_format(:nickname, @email_regex)
+    |> validate_length(:bio, max: bio_limit)
+    |> validate_length(:name, max: name_limit)
+    |> validate_fields(true)
   end
 
   def update_changeset(struct, params \\ %{}) do
@@ -407,7 +422,11 @@ defmodule Pleroma.User do
       [
         :bio,
         :name,
+        :emoji,
         :avatar,
+        :public_key,
+        :inbox,
+        :shared_inbox,
         :locked,
         :no_rich_text,
         :default_scope,
@@ -434,6 +453,7 @@ defmodule Pleroma.User do
     |> validate_length(:bio, max: bio_limit)
     |> validate_length(:name, min: 1, max: name_limit)
     |> put_fields()
+    |> put_emoji()
     |> put_change_if_present(:bio, &{:ok, parse_bio(&1, struct)})
     |> put_change_if_present(:avatar, &put_upload(&1, :avatar))
     |> put_change_if_present(:banner, &put_upload(&1, :banner))
@@ -469,6 +489,18 @@ defmodule Pleroma.User do
     |> elem(0)
   end
 
+  defp put_emoji(changeset) do
+    bio = get_change(changeset, :bio)
+    name = get_change(changeset, :name)
+
+    if bio || name do
+      emoji = Map.merge(Emoji.Formatter.get_emoji_map(bio), Emoji.Formatter.get_emoji_map(name))
+      put_change(changeset, :emoji, emoji)
+    else
+      changeset
+    end
+  end
+
   defp put_change_if_present(changeset, map_field, value_function) do
     if value = get_change(changeset, map_field) do
       with {:ok, new_value} <- value_function.(value) do
@@ -488,49 +520,6 @@ defmodule Pleroma.User do
     end
   end
 
-  def upgrade_changeset(struct, params \\ %{}, remote? \\ false) do
-    bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
-    name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)
-
-    params = Map.put(params, :last_refreshed_at, NaiveDateTime.utc_now())
-
-    params = if remote?, do: truncate_fields_param(params), else: params
-
-    struct
-    |> cast(
-      params,
-      [
-        :bio,
-        :name,
-        :follower_address,
-        :following_address,
-        :avatar,
-        :last_refreshed_at,
-        :ap_enabled,
-        :source_data,
-        :banner,
-        :locked,
-        :magic_key,
-        :follower_count,
-        :following_count,
-        :hide_follows,
-        :fields,
-        :hide_followers,
-        :allow_following_move,
-        :discoverable,
-        :hide_followers_count,
-        :hide_follows_count,
-        :actor_type,
-        :also_known_as
-      ]
-    )
-    |> unique_constraint(:nickname)
-    |> validate_format(:nickname, local_nickname_regex())
-    |> validate_length(:bio, max: bio_limit)
-    |> validate_length(:name, max: name_limit)
-    |> validate_fields(remote?)
-  end
-
   def update_as_admin_changeset(struct, params) do
     struct
     |> update_changeset(params)
@@ -606,7 +595,7 @@ defmodule Pleroma.User do
 
     struct
     |> confirmation_changeset(need_confirmation: need_confirmation?)
-    |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
+    |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation, :emoji])
     |> validate_required([:name, :nickname, :password, :password_confirmation])
     |> validate_confirmation(:password)
     |> unique_constraint(:email)
@@ -699,6 +688,8 @@ defmodule Pleroma.User do
   def needs_update?(_), do: true
 
   @spec maybe_direct_follow(User.t(), User.t()) :: {:ok, User.t()} | {:error, String.t()}
+
+  # "Locked" (self-locked) users demand explicit authorization of follow requests
   def maybe_direct_follow(%User{} = follower, %User{local: true, locked: true} = followed) do
     follow(follower, followed, :follow_pending)
   end
@@ -1621,8 +1612,7 @@ defmodule Pleroma.User do
     |> set_cache()
   end
 
-  # AP style
-  def public_key(%{source_data: %{"publicKey" => %{"publicKeyPem" => public_key_pem}}}) do
+  def public_key(%{public_key: public_key_pem}) when is_binary(public_key_pem) do
     key =
       public_key_pem
       |> :public_key.pem_decode()
@@ -1632,7 +1622,7 @@ defmodule Pleroma.User do
     {:ok, key}
   end
 
-  def public_key(_), do: {:error, "not found key"}
+  def public_key(_), do: {:error, "key not found"}
 
   def get_public_key_for_ap_id(ap_id) do
     with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id),
@@ -1643,17 +1633,6 @@ defmodule Pleroma.User do
     end
   end
 
-  defp blank?(""), do: nil
-  defp blank?(n), do: n
-
-  def insert_or_update_user(data) do
-    data
-    |> Map.put(:name, blank?(data[:name]) || data[:nickname])
-    |> remote_user_creation()
-    |> Repo.insert(on_conflict: {:replace_all_except, [:id]}, conflict_target: :nickname)
-    |> set_cache()
-  end
-
   def ap_enabled?(%User{local: true}), do: true
   def ap_enabled?(%User{ap_enabled: ap_enabled}), do: ap_enabled
   def ap_enabled?(_), do: false
@@ -1962,12 +1941,6 @@ defmodule Pleroma.User do
     |> update_and_set_cache()
   end
 
-  def update_source_data(user, source_data) do
-    user
-    |> cast(%{source_data: source_data}, [:source_data])
-    |> update_and_set_cache()
-  end
-
   def roles(%{is_moderator: is_moderator, is_admin: is_admin}) do
     %{
       admin: is_admin,
@@ -1975,21 +1948,6 @@ defmodule Pleroma.User do
     }
   end
 
-  # ``fields`` is an array of mastodon profile field, containing ``{"name": "…", "value": "…"}``.
-  # For example: [{"name": "Pronoun", "value": "she/her"}, …]
-  def fields(%{fields: nil, source_data: %{"attachment" => attachment}}) do
-    limit = Pleroma.Config.get([:instance, :max_remote_account_fields], 0)
-
-    attachment
-    |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
-    |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
-    |> Enum.take(limit)
-  end
-
-  def fields(%{fields: nil}), do: []
-
-  def fields(%{fields: fields}), do: fields
-
   def validate_fields(changeset, remote? \\ false) do
     limit_name = if remote?, do: :max_remote_account_fields, else: :max_account_fields
     limit = Pleroma.Config.get([:instance, limit_name], 0)
@@ -2177,9 +2135,7 @@ defmodule Pleroma.User do
   # - display name
   def sanitize_html(%User{} = user, filter) do
     fields =
-      user
-      |> User.fields()
-      |> Enum.map(fn %{"name" => name, "value" => value} ->
+      Enum.map(user.fields, fn %{"name" => name, "value" => value} ->
         %{
           "name" => name,
           "value" => HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly)
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 86b105b7f..eedea08a2 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1427,19 +1427,44 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       |> Enum.filter(fn %{"type" => t} -> t == "PropertyValue" end)
       |> Enum.map(fn fields -> Map.take(fields, ["name", "value"]) end)
 
+    emojis =
+      data
+      |> Map.get("tag", [])
+      |> Enum.filter(fn
+        %{"type" => "Emoji"} -> true
+        _ -> false
+      end)
+      |> Enum.reduce(%{}, fn %{"icon" => %{"url" => url}, "name" => name}, acc ->
+        Map.put(acc, String.trim(name, ":"), url)
+      end)
+
     locked = data["manuallyApprovesFollowers"] || false
     data = Transmogrifier.maybe_fix_user_object(data)
     discoverable = data["discoverable"] || false
     invisible = data["invisible"] || false
     actor_type = data["type"] || "Person"
 
+    public_key =
+      if is_map(data["publicKey"]) && is_binary(data["publicKey"]["publicKeyPem"]) do
+        data["publicKey"]["publicKeyPem"]
+      else
+        nil
+      end
+
+    shared_inbox =
+      if is_map(data["endpoints"]) && is_binary(data["endpoints"]["sharedInbox"]) do
+        data["endpoints"]["sharedInbox"]
+      else
+        nil
+      end
+
     user_data = %{
       ap_id: data["id"],
       uri: get_actor_url(data["url"]),
       ap_enabled: true,
-      source_data: data,
       banner: banner,
       fields: fields,
+      emoji: emojis,
       locked: locked,
       discoverable: discoverable,
       invisible: invisible,
@@ -1449,7 +1474,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
       following_address: data["following"],
       bio: data["summary"],
       actor_type: actor_type,
-      also_known_as: Map.get(data, "alsoKnownAs", [])
+      also_known_as: Map.get(data, "alsoKnownAs", []),
+      public_key: public_key,
+      inbox: data["inbox"],
+      shared_inbox: shared_inbox
     }
 
     # nickname can be nil because of virtual actors
@@ -1551,11 +1579,22 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def make_user_from_ap_id(ap_id) do
-    if _user = User.get_cached_by_ap_id(ap_id) do
+    user = User.get_cached_by_ap_id(ap_id)
+
+    if user && !User.ap_enabled?(user) do
       Transmogrifier.upgrade_user_from_ap_id(ap_id)
     else
       with {:ok, data} <- fetch_and_prepare_user_from_ap_id(ap_id) do
-        User.insert_or_update_user(data)
+        if user do
+          user
+          |> User.remote_user_changeset(data)
+          |> User.update_and_set_cache()
+        else
+          data
+          |> User.remote_user_changeset()
+          |> Repo.insert()
+          |> User.set_cache()
+        end
       else
         e -> {:error, e}
       end
diff --git a/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex
index 4a8bc91ae..b0ccb63c8 100644
--- a/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex
@@ -11,7 +11,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
   @moduledoc "Filter activities depending on their age"
   @behaviour Pleroma.Web.ActivityPub.MRF
 
-  defp check_date(%{"published" => published} = message) do
+  defp check_date(%{"object" => %{"published" => published}} = message) do
     with %DateTime{} = now <- DateTime.utc_now(),
          {:ok, %DateTime{} = then, _} <- DateTime.from_iso8601(published),
          max_ttl <- Config.get([:mrf_object_age, :threshold]),
@@ -96,5 +96,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
   def filter(message), do: {:ok, message}
 
   @impl true
-  def describe, do: {:ok, %{}}
+  def describe do
+    mrf_object_age =
+      Pleroma.Config.get(:mrf_object_age)
+      |> Enum.into(%{})
+
+    {:ok, %{mrf_object_age: mrf_object_age}}
+  end
 end
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index 4edc007fd..b7dcb1b86 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -149,6 +149,21 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
   defp check_banner_removal(_actor_info, object), do: {:ok, object}
 
   @impl true
+  def filter(%{"type" => "Delete", "actor" => actor} = object) do
+    %{host: actor_host} = URI.parse(actor)
+
+    reject_deletes =
+      Pleroma.Config.get([:mrf_simple, :reject_deletes])
+      |> MRF.subdomains_regex()
+
+    if MRF.subdomain_match?(reject_deletes, actor_host) do
+      {:reject, nil}
+    else
+      {:ok, object}
+    end
+  end
+
+  @impl true
   def filter(%{"actor" => actor} = object) do
     actor_info = URI.parse(actor)
 
diff --git a/lib/pleroma/web/activity_pub/object_validators/note_validator.ex b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
index c95b622e4..462a5620a 100644
--- a/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
@@ -35,6 +35,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do
     field(:like_count, :integer, default: 0)
     field(:announcement_count, :integer, default: 0)
     field(:inRepyTo, :string)
+    field(:uri, Types.Uri)
 
     field(:likes, {:array, :string}, default: [])
     field(:announcements, {:array, :string}, default: [])
diff --git a/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex b/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex
index f6e749b33..f71f76370 100644
--- a/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/types/object_id.ex
@@ -15,15 +15,9 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.ObjectID do
 
   def cast(%{"id" => object}), do: cast(object)
 
-  def cast(_) do
-    :error
-  end
+  def cast(_), do: :error
 
-  def dump(data) do
-    {:ok, data}
-  end
+  def dump(data), do: {:ok, data}
 
-  def load(data) do
-    {:ok, data}
-  end
+  def load(data), do: {:ok, data}
 end
diff --git a/lib/pleroma/web/activity_pub/object_validators/types/uri.ex b/lib/pleroma/web/activity_pub/object_validators/types/uri.ex
new file mode 100644
index 000000000..24845bcc0
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/types/uri.ex
@@ -0,0 +1,20 @@
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.Types.Uri do
+  use Ecto.Type
+
+  def type, do: :string
+
+  def cast(uri) when is_binary(uri) do
+    case URI.parse(uri) do
+      %URI{host: nil} -> :error
+      %URI{host: ""} -> :error
+      %URI{scheme: scheme} when scheme in ["https", "http"] -> {:ok, uri}
+      _ -> :error
+    end
+  end
+
+  def cast(_), do: :error
+
+  def dump(data), do: {:ok, data}
+
+  def load(data), do: {:ok, data}
+end
diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex
index 6c558e7f0..b70cbd043 100644
--- a/lib/pleroma/web/activity_pub/publisher.ex
+++ b/lib/pleroma/web/activity_pub/publisher.ex
@@ -141,8 +141,8 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
     |> Enum.map(& &1.ap_id)
   end
 
-  defp maybe_use_sharedinbox(%User{source_data: data}),
-    do: (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
+  defp maybe_use_sharedinbox(%User{shared_inbox: nil, inbox: inbox}), do: inbox
+  defp maybe_use_sharedinbox(%User{shared_inbox: shared_inbox}), do: shared_inbox
 
   @doc """
   Determine a user inbox to use based on heuristics.  These heuristics
@@ -157,7 +157,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
   """
   def determine_inbox(
         %Activity{data: activity_data},
-        %User{source_data: data} = user
+        %User{inbox: inbox} = user
       ) do
     to = activity_data["to"] || []
     cc = activity_data["cc"] || []
@@ -174,7 +174,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
         maybe_use_sharedinbox(user)
 
       true ->
-        data["inbox"]
+        inbox
     end
   end
 
@@ -192,14 +192,13 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
     inboxes =
       recipients
       |> Enum.filter(&User.ap_enabled?/1)
-      |> Enum.map(fn %{source_data: data} -> data["inbox"] end)
+      |> Enum.map(fn actor -> actor.inbox end)
       |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
       |> Instances.filter_reachable()
 
     Repo.checkout(fn ->
       Enum.each(inboxes, fn {inbox, unreachable_since} ->
-        %User{ap_id: ap_id} =
-          Enum.find(recipients, fn %{source_data: data} -> data["inbox"] == inbox end)
+        %User{ap_id: ap_id} = Enum.find(recipients, fn actor -> actor.inbox == inbox end)
 
         # Get all the recipients on the same host and add them to cc. Otherwise, a remote
         # instance would only accept a first message for the first recipient and ignore the rest.
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index 666a4e310..6a8f1af96 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -17,7 +17,9 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   def handle(%{data: %{"type" => "Like"}} = object, meta) do
     liked_object = Object.get_by_ap_id(object.data["object"])
     Utils.add_like_to_object(object, liked_object)
+
     Notification.create_notifications(object)
+
     {:ok, object, meta}
   end
 
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 39feae285..09119137b 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -711,7 +711,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
       {:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
 
       actor
-      |> User.upgrade_changeset(new_user_data, true)
+      |> User.remote_user_changeset(new_user_data)
       |> User.update_and_set_cache()
 
       ActivityPub.update(%{
@@ -1160,7 +1160,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   def take_emoji_tags(%User{emoji: emoji}) do
     emoji
-    |> Enum.flat_map(&Map.to_list/1)
+    |> Map.to_list()
     |> Enum.map(&build_emoji_tag/1)
   end
 
@@ -1254,12 +1254,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   def upgrade_user_from_ap_id(ap_id) do
     with %User{local: false} = user <- User.get_cached_by_ap_id(ap_id),
          {:ok, data} <- ActivityPub.fetch_and_prepare_user_from_ap_id(ap_id),
-         already_ap <- User.ap_enabled?(user),
-         {:ok, user} <- upgrade_user(user, data) do
-      if not already_ap do
-        TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
-      end
-
+         {:ok, user} <- update_user(user, data) do
+      TransmogrifierWorker.enqueue("user_upgrade", %{"user_id" => user.id})
       {:ok, user}
     else
       %User{} = user -> {:ok, user}
@@ -1267,9 +1263,9 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     end
   end
 
-  defp upgrade_user(user, data) do
+  defp update_user(user, data) do
     user
-    |> User.upgrade_changeset(data, true)
+    |> User.remote_user_changeset(data)
     |> User.update_and_set_cache()
   end
 
diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex
index bc21ac6c7..34590b16d 100644
--- a/lib/pleroma/web/activity_pub/views/user_view.ex
+++ b/lib/pleroma/web/activity_pub/views/user_view.ex
@@ -79,10 +79,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
 
     emoji_tags = Transmogrifier.take_emoji_tags(user)
 
-    fields =
-      user
-      |> User.fields()
-      |> Enum.map(&Map.put(&1, "type", "PropertyValue"))
+    fields = Enum.map(user.fields, &Map.put(&1, "type", "PropertyValue"))
 
     %{
       "id" => user.ap_id,
@@ -103,7 +100,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       },
       "endpoints" => endpoints,
       "attachment" => fields,
-      "tag" => (user.source_data["tag"] || []) ++ emoji_tags,
+      "tag" => emoji_tags,
       "discoverable" => user.discoverable
     }
     |> Map.merge(maybe_make_image(&User.avatar_url/2, "icon", user))
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 831c3bd02..9c79310c0 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -27,7 +27,9 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   alias Pleroma.Web.AdminAPI.Search
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.Endpoint
+  alias Pleroma.Web.MastodonAPI.AppView
   alias Pleroma.Web.MastodonAPI.StatusView
+  alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.Router
 
   require Logger
@@ -914,16 +916,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
         end)
         |> List.flatten()
 
-      response = %{configs: merged}
-
-      response =
-        if Restarter.Pleroma.need_reboot?() do
-          Map.put(response, :need_reboot, true)
-        else
-          response
-        end
-
-      json(conn, response)
+      json(conn, %{configs: merged, need_reboot: Restarter.Pleroma.need_reboot?()})
     end
   end
 
@@ -950,28 +943,22 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
 
       Config.TransferTask.load_and_update_env(deleted, false)
 
-      need_reboot? =
-        Restarter.Pleroma.need_reboot?() ||
-          Enum.any?(updated, fn config ->
+      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)
 
-      response = %{configs: updated}
-
-      response =
-        if need_reboot? do
-          Restarter.Pleroma.need_reboot()
-          Map.put(response, :need_reboot, need_reboot?)
-        else
-          response
-        end
+        if changed_reboot_settings?, do: Restarter.Pleroma.need_reboot()
+      end
 
       conn
       |> put_view(ConfigView)
-      |> render("index.json", response)
+      |> render("index.json", %{configs: updated, need_reboot: Restarter.Pleroma.need_reboot?()})
     end
   end
 
@@ -983,6 +970,10 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     end
   end
 
+  def need_reboot(conn, _params) do
+    json(conn, %{need_reboot: Restarter.Pleroma.need_reboot?()})
+  end
+
   defp configurable_from_database(conn) do
     if Config.get(:configurable_from_database) do
       :ok
@@ -1028,6 +1019,83 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     conn |> json("")
   end
 
+  def oauth_app_create(conn, params) do
+    params =
+      if params["name"] do
+        Map.put(params, "client_name", params["name"])
+      else
+        params
+      end
+
+    result =
+      case App.create(params) do
+        {:ok, app} ->
+          AppView.render("show.json", %{app: app, admin: true})
+
+        {:error, changeset} ->
+          App.errors(changeset)
+      end
+
+    json(conn, result)
+  end
+
+  def oauth_app_update(conn, params) do
+    params =
+      if params["name"] do
+        Map.put(params, "client_name", params["name"])
+      else
+        params
+      end
+
+    with {:ok, app} <- App.update(params) do
+      json(conn, AppView.render("show.json", %{app: app, admin: true}))
+    else
+      {:error, changeset} ->
+        json(conn, App.errors(changeset))
+
+      nil ->
+        json_response(conn, :bad_request, "")
+    end
+  end
+
+  def oauth_app_list(conn, params) do
+    {page, page_size} = page_params(params)
+
+    search_params = %{
+      client_name: params["name"],
+      client_id: params["client_id"],
+      page: page,
+      page_size: page_size
+    }
+
+    search_params =
+      if Map.has_key?(params, "trusted") do
+        Map.put(search_params, :trusted, params["trusted"])
+      else
+        search_params
+      end
+
+    with {:ok, apps, count} <- App.search(search_params) do
+      json(
+        conn,
+        AppView.render("index.json",
+          apps: apps,
+          count: count,
+          page_size: page_size,
+          admin: true
+        )
+      )
+    end
+  end
+
+  def oauth_app_delete(conn, params) do
+    with {:ok, _app} <- App.destroy(params["id"]) do
+      json_response(conn, :no_content, "")
+    else
+      _ -> json_response(conn, :bad_request, "")
+    end
+  end
+
   def stats(conn, _) do
     count = Stats.get_status_visibility_count()
 
diff --git a/lib/pleroma/web/api_spec/helpers.ex b/lib/pleroma/web/api_spec/helpers.ex
index 35cf4c0d8..7348dcbee 100644
--- a/lib/pleroma/web/api_spec/helpers.ex
+++ b/lib/pleroma/web/api_spec/helpers.ex
@@ -4,7 +4,7 @@
 
 defmodule Pleroma.Web.ApiSpec.Helpers do
   def request_body(description, schema_ref, opts \\ []) do
-    media_types = ["application/json", "multipart/form-data"]
+    media_types = ["application/json", "multipart/form-data", "application/x-www-form-urlencoded"]
 
     content =
       media_types
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index c56756a3d..f50a909aa 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -332,26 +332,6 @@ defmodule Pleroma.Web.CommonAPI do
 
   defp maybe_create_activity_expiration(result, _), do: result
 
-  # Updates the emojis for a user based on their profile
-  def update(user) do
-    emoji = emoji_from_profile(user)
-    source_data = Map.put(user.source_data, "tag", emoji)
-
-    user =
-      case User.update_source_data(user, source_data) do
-        {:ok, user} -> user
-        _ -> user
-      end
-
-    ActivityPub.update(%{
-      local: true,
-      to: [Pleroma.Constants.as_public(), user.follower_address],
-      cc: [],
-      actor: user.ap_id,
-      object: Pleroma.Web.ActivityPub.UserView.render("user.json", %{user: user})
-    })
-  end
-
   def pin(id_or_ap_id, %{ap_id: user_ap_id} = user) do
     with %Activity{
            actor: ^user_ap_id,
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 635e7cd38..7eec5aa09 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -10,7 +10,6 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   alias Pleroma.Activity
   alias Pleroma.Config
   alias Pleroma.Conversation.Participation
-  alias Pleroma.Emoji
   alias Pleroma.Formatter
   alias Pleroma.Object
   alias Pleroma.Plugs.AuthenticationPlug
@@ -18,7 +17,6 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.ActivityPub.Visibility
-  alias Pleroma.Web.Endpoint
   alias Pleroma.Web.MediaProxy
 
   require Logger
@@ -175,7 +173,7 @@ defmodule Pleroma.Web.CommonAPI.Utils do
             "replies" => %{"type" => "Collection", "totalItems" => 0}
           }
 
-          {note, Map.merge(emoji, Emoji.Formatter.get_emoji_map(option))}
+          {note, Map.merge(emoji, Pleroma.Emoji.Formatter.get_emoji_map(option))}
         end)
 
       end_time =
@@ -431,19 +429,6 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     end
   end
 
-  def emoji_from_profile(%User{bio: bio, name: name}) do
-    [bio, name]
-    |> Enum.map(&Emoji.Formatter.get_emoji/1)
-    |> Enum.concat()
-    |> Enum.map(fn {shortcode, %Emoji{file: path}} ->
-      %{
-        "type" => "Emoji",
-        "icon" => %{"type" => "Image", "url" => "#{Endpoint.url()}#{path}"},
-        "name" => ":#{shortcode}:"
-      }
-    end)
-  end
-
   def maybe_notify_to_recipients(
         recipients,
         %Activity{data: %{"to" => to, "type" => _type}} = _activity
diff --git a/lib/pleroma/web/feed/feed_view.ex b/lib/pleroma/web/feed/feed_view.ex
index e18adaea8..1ae03e7e2 100644
--- a/lib/pleroma/web/feed/feed_view.ex
+++ b/lib/pleroma/web/feed/feed_view.ex
@@ -23,7 +23,7 @@ defmodule Pleroma.Web.Feed.FeedView do
   def pub_date(%DateTime{} = date), do: Timex.format!(date, "{RFC822}")
 
   def prepare_activity(activity, opts \\ []) do
-    object = activity_object(activity)
+    object = Object.normalize(activity)
 
     actor =
       if opts[:actor] do
@@ -33,7 +33,6 @@ defmodule Pleroma.Web.Feed.FeedView do
     %{
       activity: activity,
       data: Map.get(object, :data),
-      object: object,
       actor: actor
     }
   end
@@ -68,9 +67,7 @@ defmodule Pleroma.Web.Feed.FeedView do
 
   def last_activity(activities), do: List.last(activities)
 
-  def activity_object(activity), do: Object.normalize(activity)
-
-  def activity_title(%{data: %{"content" => content}}, opts \\ %{}) do
+  def activity_title(%{"content" => content}, opts \\ %{}) do
     content
     |> Pleroma.Web.Metadata.Utils.scrub_html()
     |> Pleroma.Emoji.Formatter.demojify()
@@ -78,7 +75,7 @@ defmodule Pleroma.Web.Feed.FeedView do
     |> escape()
   end
 
-  def activity_content(%{data: %{"content" => content}}) do
+  def activity_content(%{"content" => content}) do
     content
     |> String.replace(~r/[\n\r]/, "")
     |> escape()
diff --git a/lib/pleroma/web/masto_fe_controller.ex b/lib/pleroma/web/masto_fe_controller.ex
index 43649ad26..557cde328 100644
--- a/lib/pleroma/web/masto_fe_controller.ex
+++ b/lib/pleroma/web/masto_fe_controller.ex
@@ -17,7 +17,7 @@ defmodule Pleroma.Web.MastoFEController do
     when action == :index
   )
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action != :index)
+  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action not in [:index, :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 7da1a11f6..e8e59ac66 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -21,10 +21,13 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.ListView
   alias Pleroma.Web.MastodonAPI.MastodonAPI
+  alias Pleroma.Web.MastodonAPI.MastodonAPIController
   alias Pleroma.Web.MastodonAPI.StatusView
   alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.TwitterAPI.TwitterAPI
 
+  plug(:skip_plug, OAuthScopesPlug when action == :identity_proofs)
+
   plug(
     OAuthScopesPlug,
     %{fallback: :proceed_unauthenticated, scopes: ["read:accounts"]}
@@ -101,6 +104,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
       |> Map.put("fullname", params["fullname"] || nickname)
       |> Map.put("bio", params["bio"] || "")
       |> Map.put("confirm", params["password"])
+      |> Map.put("trusted_app", app.trusted)
 
     with :ok <- validate_email_param(params),
          {:ok, user} <- TwitterAPI.register_user(params, need_confirmation: true),
@@ -146,9 +150,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   end
 
   @doc "PATCH /api/v1/accounts/update_credentials"
-  def update_credentials(%{assigns: %{user: original_user}} = conn, params) do
-    user = original_user
-
+  def update_credentials(%{assigns: %{user: user}} = conn, params) do
     user_params =
       [
         :no_rich_text,
@@ -184,8 +186,6 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
     changeset = User.update_changeset(user, user_params)
 
     with {:ok, user} <- User.update_and_set_cache(changeset) do
-      if original_user != user, do: CommonAPI.update(user)
-
       render(conn, "show.json", user: user, for: user, with_pleroma_settings: true)
     else
       _e -> render_error(conn, :forbidden, "Invalid request")
@@ -380,6 +380,8 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   end
 
   @doc "GET /api/v1/endorsements"
-  def endorsements(conn, params),
-    do: Pleroma.Web.MastodonAPI.MastodonAPIController.empty_array(conn, params)
+  def endorsements(conn, params), do: MastodonAPIController.empty_array(conn, params)
+
+  @doc "GET /api/v1/identity_proofs"
+  def identity_proofs(conn, params), do: MastodonAPIController.empty_array(conn, params)
 end
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 14075307d..ac8c18f24 100644
--- a/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/mastodon_api_controller.ex
@@ -3,21 +3,31 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
+  @moduledoc """
+  Contains stubs for unimplemented Mastodon API endpoints.
+
+  Note: instead of routing directly to this controller's action,
+    it's preferable to define an action in relevant (non-generic) controller,
+    set up OAuth rules for it and call this controller's function from it.
+  """
+
   use Pleroma.Web, :controller
 
   require Logger
 
+  plug(:skip_plug, Pleroma.Plugs.OAuthScopesPlug when action in [:empty_array, :empty_object])
+
+  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
-  # Stubs for unimplemented mastodon api
-  #
   def empty_array(conn, _) do
-    Logger.debug("Unimplemented, returning an empty array")
+    Logger.debug("Unimplemented, returning an empty array (list)")
     json(conn, [])
   end
 
   def empty_object(conn, _) do
-    Logger.debug("Unimplemented, returning an empty object")
+    Logger.debug("Unimplemented, returning an empty object (map)")
     json(conn, %{})
   end
 end
diff --git a/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex b/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
index 11df6fc4a..4647c1f96 100644
--- a/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/subscription_controller.ex
@@ -6,25 +6,22 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   @moduledoc "The module represents functions to manage user subscriptions."
   use Pleroma.Web, :controller
 
-  alias Pleroma.Web.MastodonAPI.PushSubscriptionView, as: View
   alias Pleroma.Web.Push
   alias Pleroma.Web.Push.Subscription
 
   action_fallback(:errors)
 
   plug(Pleroma.Plugs.OAuthScopesPlug, %{scopes: ["push"]})
-
   plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(:restrict_push_enabled)
 
   # Creates PushSubscription
   # POST /api/v1/push/subscription
   #
   def create(%{assigns: %{user: user, token: token}} = conn, params) do
-    with true <- Push.enabled(),
-         {:ok, _} <- Subscription.delete_if_exists(user, token),
+    with {:ok, _} <- Subscription.delete_if_exists(user, token),
          {:ok, subscription} <- Subscription.create(user, token, params) do
-      view = View.render("push_subscription.json", subscription: subscription)
-      json(conn, view)
+      render(conn, "show.json", subscription: subscription)
     end
   end
 
@@ -32,10 +29,8 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   # GET /api/v1/push/subscription
   #
   def get(%{assigns: %{user: user, token: token}} = conn, _params) do
-    with true <- Push.enabled(),
-         {:ok, subscription} <- Subscription.get(user, token) do
-      view = View.render("push_subscription.json", subscription: subscription)
-      json(conn, view)
+    with {:ok, subscription} <- Subscription.get(user, token) do
+      render(conn, "show.json", subscription: subscription)
     end
   end
 
@@ -43,10 +38,8 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   # PUT /api/v1/push/subscription
   #
   def update(%{assigns: %{user: user, token: token}} = conn, params) do
-    with true <- Push.enabled(),
-         {:ok, subscription} <- Subscription.update(user, token, params) do
-      view = View.render("push_subscription.json", subscription: subscription)
-      json(conn, view)
+    with {:ok, subscription} <- Subscription.update(user, token, params) do
+      render(conn, "show.json", subscription: subscription)
     end
   end
 
@@ -54,11 +47,20 @@ defmodule Pleroma.Web.MastodonAPI.SubscriptionController do
   # DELETE /api/v1/push/subscription
   #
   def delete(%{assigns: %{user: user, token: token}} = conn, _params) do
-    with true <- Push.enabled(),
-         {:ok, _response} <- Subscription.delete(user, token),
+    with {:ok, _response} <- Subscription.delete(user, token),
          do: json(conn, %{})
   end
 
+  defp restrict_push_enabled(conn, _) do
+    if Push.enabled() do
+      conn
+    else
+      conn
+      |> render_error(:forbidden, "Web push subscription is disabled on this Pleroma instance")
+      |> halt()
+    end
+  end
+
   # fallback action
   #
   def errors(conn, {:error, :not_found}) do
diff --git a/lib/pleroma/web/mastodon_api/controllers/suggestion_controller.ex b/lib/pleroma/web/mastodon_api/controllers/suggestion_controller.ex
index 0cdc7bd8d..c93a43969 100644
--- a/lib/pleroma/web/mastodon_api/controllers/suggestion_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/suggestion_controller.ex
@@ -5,10 +5,13 @@
 defmodule Pleroma.Web.MastodonAPI.SuggestionController do
   use Pleroma.Web, :controller
 
+  alias Pleroma.Plugs.OAuthScopesPlug
+
   require Logger
 
+  plug(OAuthScopesPlug, %{scopes: ["read"]} when action == :index)
+
   @doc "GET /api/v1/suggestions"
-  def index(conn, _) do
-    json(conn, [])
-  end
+  def index(conn, params),
+    do: Pleroma.Web.MastodonAPI.MastodonAPIController.empty_array(conn, params)
 end
diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex
index 8fb96a22a..b4b61e74c 100644
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@@ -181,13 +181,11 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
     bot = user.actor_type in ["Application", "Service"]
 
     emojis =
-      (user.source_data["tag"] || [])
-      |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
-      |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
+      Enum.map(user.emoji, fn {shortcode, url} ->
         %{
-          "shortcode" => String.trim(name, ":"),
-          "url" => MediaProxy.url(url),
-          "static_url" => MediaProxy.url(url),
+          "shortcode" => shortcode,
+          "url" => url,
+          "static_url" => url,
           "visible_in_picker" => false
         }
       end)
diff --git a/lib/pleroma/web/mastodon_api/views/app_view.ex b/lib/pleroma/web/mastodon_api/views/app_view.ex
index d934e2107..36071cd25 100644
--- a/lib/pleroma/web/mastodon_api/views/app_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/app_view.ex
@@ -7,6 +7,21 @@ defmodule Pleroma.Web.MastodonAPI.AppView do
 
   alias Pleroma.Web.OAuth.App
 
+  def render("index.json", %{apps: apps, count: count, page_size: page_size, admin: true}) do
+    %{
+      apps: render_many(apps, Pleroma.Web.MastodonAPI.AppView, "show.json", %{admin: true}),
+      count: count,
+      page_size: page_size
+    }
+  end
+
+  def render("show.json", %{admin: true, app: %App{} = app} = assigns) do
+    "show.json"
+    |> render(Map.delete(assigns, :admin))
+    |> Map.put(:trusted, app.trusted)
+    |> Map.put(:id, app.id)
+  end
+
   def render("show.json", %{app: %App{} = app}) do
     %{
       id: app.id |> to_string,
diff --git a/lib/pleroma/web/mastodon_api/views/notification_view.ex b/lib/pleroma/web/mastodon_api/views/notification_view.ex
index 734ffbf39..4da1ab67f 100644
--- a/lib/pleroma/web/mastodon_api/views/notification_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/notification_view.ex
@@ -117,14 +117,14 @@ defmodule Pleroma.Web.MastodonAPI.NotificationView do
           # Note: :skip_relationships option being applied to _account_ rendering (here)
           put_target(response, activity, reading_user, render_opts)
 
-        "follow" ->
-          response
-
         "pleroma:emoji_reaction" ->
           response
           |> put_status(parent_activity_fn.(), reading_user, render_opts)
           |> put_emoji(activity)
 
+        type when type in ["follow", "follow_request"] ->
+          response
+
         _ ->
           nil
       end
diff --git a/lib/pleroma/web/mastodon_api/views/push_subscription_view.ex b/lib/pleroma/web/mastodon_api/views/subscription_view.ex
index d32cef6e2..7c67cc924 100644
--- a/lib/pleroma/web/mastodon_api/views/push_subscription_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/subscription_view.ex
@@ -2,11 +2,11 @@
 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Web.MastodonAPI.PushSubscriptionView do
+defmodule Pleroma.Web.MastodonAPI.SubscriptionView do
   use Pleroma.Web, :view
   alias Pleroma.Web.Push
 
-  def render("push_subscription.json", %{subscription: subscription}) do
+  def render("show.json", %{subscription: subscription}) do
     %{
       id: to_string(subscription.id),
       endpoint: subscription.endpoint,
diff --git a/lib/pleroma/web/oauth/app.ex b/lib/pleroma/web/oauth/app.ex
index 01ed326f4..6a6d5f2e2 100644
--- a/lib/pleroma/web/oauth/app.ex
+++ b/lib/pleroma/web/oauth/app.ex
@@ -5,6 +5,7 @@
 defmodule Pleroma.Web.OAuth.App do
   use Ecto.Schema
   import Ecto.Changeset
+  import Ecto.Query
   alias Pleroma.Repo
 
   @type t :: %__MODULE__{}
@@ -16,14 +17,24 @@ defmodule Pleroma.Web.OAuth.App do
     field(:website, :string)
     field(:client_id, :string)
     field(:client_secret, :string)
+    field(:trusted, :boolean, default: false)
+
+    has_many(:oauth_authorizations, Pleroma.Web.OAuth.Authorization, on_delete: :delete_all)
+    has_many(:oauth_tokens, Pleroma.Web.OAuth.Token, on_delete: :delete_all)
 
     timestamps()
   end
 
+  @spec changeset(App.t(), map()) :: Ecto.Changeset.t()
+  def changeset(struct, params) do
+    cast(struct, params, [:client_name, :redirect_uris, :scopes, :website, :trusted])
+  end
+
+  @spec register_changeset(App.t(), map()) :: Ecto.Changeset.t()
   def register_changeset(struct, params \\ %{}) do
     changeset =
       struct
-      |> cast(params, [:client_name, :redirect_uris, :scopes, :website])
+      |> changeset(params)
       |> validate_required([:client_name, :redirect_uris, :scopes])
 
     if changeset.valid? do
@@ -41,6 +52,21 @@ defmodule Pleroma.Web.OAuth.App do
     end
   end
 
+  @spec create(map()) :: {:ok, App.t()} | {:error, Ecto.Changeset.t()}
+  def create(params) do
+    with changeset <- __MODULE__.register_changeset(%__MODULE__{}, params) do
+      Repo.insert(changeset)
+    end
+  end
+
+  @spec update(map()) :: {:ok, App.t()} | {:error, Ecto.Changeset.t()}
+  def update(params) do
+    with %__MODULE__{} = app <- Repo.get(__MODULE__, params["id"]),
+         changeset <- changeset(app, params) do
+      Repo.update(changeset)
+    end
+  end
+
   @doc """
   Gets app by attrs or create new  with attrs.
   And updates the scopes if need.
@@ -65,4 +91,58 @@ defmodule Pleroma.Web.OAuth.App do
     |> change(%{scopes: scopes})
     |> Repo.update()
   end
+
+  @spec search(map()) :: {:ok, [App.t()], non_neg_integer()}
+  def search(params) do
+    query = from(a in __MODULE__)
+
+    query =
+      if params[:client_name] do
+        from(a in query, where: a.client_name == ^params[:client_name])
+      else
+        query
+      end
+
+    query =
+      if params[:client_id] do
+        from(a in query, where: a.client_id == ^params[:client_id])
+      else
+        query
+      end
+
+    query =
+      if Map.has_key?(params, :trusted) do
+        from(a in query, where: a.trusted == ^params[:trusted])
+      else
+        query
+      end
+
+    query =
+      from(u in query,
+        limit: ^params[:page_size],
+        offset: ^((params[:page] - 1) * params[:page_size])
+      )
+
+    count = Repo.aggregate(__MODULE__, :count, :id)
+
+    {:ok, Repo.all(query), count}
+  end
+
+  @spec destroy(pos_integer()) :: {:ok, App.t()} | {:error, Ecto.Changeset.t()}
+  def destroy(id) do
+    with %__MODULE__{} = app <- Repo.get(__MODULE__, id) do
+      Repo.delete(app)
+    end
+  end
+
+  @spec errors(Ecto.Changeset.t()) :: map()
+  def errors(changeset) do
+    Enum.reduce(changeset.errors, %{}, fn
+      {:client_name, {error, _}}, acc ->
+        Map.put(acc, :name, error)
+
+      {key, {error, _}}, acc ->
+        Map.put(acc, key, error)
+    end)
+  end
 end
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 46688db7e..0121cd661 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -27,6 +27,8 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   plug(:fetch_flash)
   plug(RateLimiter, [name: :authentication] when action == :create_authorization)
 
+  plug(:skip_plug, Pleroma.Plugs.OAuthScopesPlug)
+
   action_fallback(Pleroma.Web.OAuth.FallbackController)
 
   @oob_token_redirect_uri "urn:ietf:wg:oauth:2.0:oob"
diff --git a/lib/pleroma/web/pleroma_api/controllers/account_controller.ex b/lib/pleroma/web/pleroma_api/controllers/account_controller.ex
index 9d0b3b1e4..60405fbff 100644
--- a/lib/pleroma/web/pleroma_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/account_controller.ex
@@ -13,7 +13,6 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
   alias Pleroma.Plugs.RateLimiter
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.StatusView
 
   require Pleroma.Constants
@@ -58,38 +57,32 @@ defmodule Pleroma.Web.PleromaAPI.AccountController do
 
   @doc "PATCH /api/v1/pleroma/accounts/update_avatar"
   def update_avatar(%{assigns: %{user: user}} = conn, %{"img" => ""}) do
-    {:ok, user} =
+    {:ok, _user} =
       user
       |> Changeset.change(%{avatar: nil})
       |> User.update_and_set_cache()
 
-    CommonAPI.update(user)
-
     json(conn, %{url: nil})
   end
 
   def update_avatar(%{assigns: %{user: user}} = conn, params) do
     {:ok, %{data: data}} = ActivityPub.upload(params, type: :avatar)
-    {:ok, user} = user |> Changeset.change(%{avatar: data}) |> User.update_and_set_cache()
+    {:ok, _user} = user |> Changeset.change(%{avatar: data}) |> User.update_and_set_cache()
     %{"url" => [%{"href" => href} | _]} = data
 
-    CommonAPI.update(user)
-
     json(conn, %{url: href})
   end
 
   @doc "PATCH /api/v1/pleroma/accounts/update_banner"
   def update_banner(%{assigns: %{user: user}} = conn, %{"banner" => ""}) do
-    with {:ok, user} <- User.update_banner(user, %{}) do
-      CommonAPI.update(user)
+    with {:ok, _user} <- User.update_banner(user, %{}) do
       json(conn, %{url: nil})
     end
   end
 
   def update_banner(%{assigns: %{user: user}} = conn, params) do
     with {:ok, object} <- ActivityPub.upload(%{"img" => params["banner"]}, type: :banner),
-         {:ok, user} <- User.update_banner(user, object.data) do
-      CommonAPI.update(user)
+         {:ok, _user} <- User.update_banner(user, object.data) do
       %{"url" => [%{"href" => href} | _]} = object.data
 
       json(conn, %{url: href})
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 d4c5c5925..fe1b97a20 100644
--- a/lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex
@@ -34,7 +34,7 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
 
   plug(
     OAuthScopesPlug,
-    %{scopes: ["write:conversations"]} when action == :update_conversation
+    %{scopes: ["write:conversations"]} when action in [:update_conversation, :read_conversations]
   )
 
   plug(OAuthScopesPlug, %{scopes: ["write:notifications"]} when action == :read_notification)
diff --git a/lib/pleroma/web/push/impl.ex b/lib/pleroma/web/push/impl.ex
index afa510f08..f1740a6e0 100644
--- a/lib/pleroma/web/push/impl.ex
+++ b/lib/pleroma/web/push/impl.ex
@@ -16,6 +16,8 @@ defmodule Pleroma.Web.Push.Impl do
   require Logger
   import Ecto.Query
 
+  defdelegate mastodon_notification_type(activity), to: Activity
+
   @types ["Create", "Follow", "Announce", "Like", "Move"]
 
   @doc "Performs sending notifications for user subscriptions"
@@ -24,32 +26,32 @@ defmodule Pleroma.Web.Push.Impl do
         %{
           activity: %{data: %{"type" => activity_type}} = activity,
           user: %User{id: user_id}
-        } = notif
+        } = notification
       )
       when activity_type in @types do
-    actor = User.get_cached_by_ap_id(notif.activity.data["actor"])
+    actor = User.get_cached_by_ap_id(notification.activity.data["actor"])
 
-    type = Activity.mastodon_notification_type(notif.activity)
+    mastodon_type = mastodon_notification_type(notification.activity)
     gcm_api_key = Application.get_env(:web_push_encryption, :gcm_api_key)
     avatar_url = User.avatar_url(actor)
     object = Object.normalize(activity)
     user = User.get_cached_by_id(user_id)
     direct_conversation_id = Activity.direct_conversation_id(activity, user)
 
-    for subscription <- fetch_subsriptions(user_id),
-        get_in(subscription.data, ["alerts", type]) do
+    for subscription <- fetch_subscriptions(user_id),
+        Subscription.enabled?(subscription, mastodon_type) do
       %{
         access_token: subscription.token.token,
-        notification_id: notif.id,
-        notification_type: type,
+        notification_id: notification.id,
+        notification_type: mastodon_type,
         icon: avatar_url,
         preferred_locale: "en",
         pleroma: %{
-          activity_id: notif.activity.id,
+          activity_id: notification.activity.id,
           direct_conversation_id: direct_conversation_id
         }
       }
-      |> Map.merge(build_content(notif, actor, object))
+      |> Map.merge(build_content(notification, actor, object, mastodon_type))
       |> Jason.encode!()
       |> push_message(build_sub(subscription), gcm_api_key, subscription)
     end
@@ -82,7 +84,7 @@ defmodule Pleroma.Web.Push.Impl do
   end
 
   @doc "Gets user subscriptions"
-  def fetch_subsriptions(user_id) do
+  def fetch_subscriptions(user_id) do
     Subscription
     |> where(user_id: ^user_id)
     |> preload(:token)
@@ -99,28 +101,36 @@ defmodule Pleroma.Web.Push.Impl do
     }
   end
 
+  def build_content(notification, actor, object, mastodon_type \\ nil)
+
   def build_content(
         %{
           activity: %{data: %{"directMessage" => true}},
           user: %{notification_settings: %{privacy_option: true}}
         },
         actor,
-        _
+        _object,
+        _mastodon_type
       ) do
     %{title: "New Direct Message", body: "@#{actor.nickname}"}
   end
 
-  def build_content(notif, actor, object) do
+  def build_content(notification, actor, object, mastodon_type) do
+    mastodon_type = mastodon_type || mastodon_notification_type(notification.activity)
+
     %{
-      title: format_title(notif),
-      body: format_body(notif, actor, object)
+      title: format_title(notification, mastodon_type),
+      body: format_body(notification, actor, object, mastodon_type)
     }
   end
 
+  def format_body(activity, actor, object, mastodon_type \\ nil)
+
   def format_body(
         %{activity: %{data: %{"type" => "Create"}}},
         actor,
-        %{data: %{"content" => content}}
+        %{data: %{"content" => content}},
+        _mastodon_type
       ) do
     "@#{actor.nickname}: #{Utils.scrub_html_and_truncate(content, 80)}"
   end
@@ -128,33 +138,44 @@ defmodule Pleroma.Web.Push.Impl do
   def format_body(
         %{activity: %{data: %{"type" => "Announce"}}},
         actor,
-        %{data: %{"content" => content}}
+        %{data: %{"content" => content}},
+        _mastodon_type
       ) do
     "@#{actor.nickname} repeated: #{Utils.scrub_html_and_truncate(content, 80)}"
   end
 
   def format_body(
-        %{activity: %{data: %{"type" => type}}},
+        %{activity: %{data: %{"type" => type}}} = notification,
         actor,
-        _object
+        _object,
+        mastodon_type
       )
       when type in ["Follow", "Like"] do
-    case type do
-      "Follow" -> "@#{actor.nickname} has followed you"
-      "Like" -> "@#{actor.nickname} has favorited your post"
+    mastodon_type = mastodon_type || mastodon_notification_type(notification.activity)
+
+    case mastodon_type do
+      "follow" -> "@#{actor.nickname} has followed you"
+      "follow_request" -> "@#{actor.nickname} has requested to follow you"
+      "favourite" -> "@#{actor.nickname} has favorited your post"
     end
   end
 
-  def format_title(%{activity: %{data: %{"directMessage" => true}}}) do
+  def format_title(activity, mastodon_type \\ nil)
+
+  def format_title(%{activity: %{data: %{"directMessage" => true}}}, _mastodon_type) do
     "New Direct Message"
   end
 
-  def format_title(%{activity: %{data: %{"type" => type}}}) do
-    case type do
-      "Create" -> "New Mention"
-      "Follow" -> "New Follower"
-      "Announce" -> "New Repeat"
-      "Like" -> "New Favorite"
+  def format_title(%{activity: activity}, mastodon_type) do
+    mastodon_type = mastodon_type || mastodon_notification_type(activity)
+
+    case mastodon_type do
+      "mention" -> "New Mention"
+      "follow" -> "New Follower"
+      "follow_request" -> "New Follow Request"
+      "reblog" -> "New Repeat"
+      "favourite" -> "New Favorite"
+      type -> "New #{String.capitalize(type || "event")}"
     end
   end
 end
diff --git a/lib/pleroma/web/push/subscription.ex b/lib/pleroma/web/push/subscription.ex
index 5c448d6c9..b99b0c5fb 100644
--- a/lib/pleroma/web/push/subscription.ex
+++ b/lib/pleroma/web/push/subscription.ex
@@ -32,6 +32,14 @@ defmodule Pleroma.Web.Push.Subscription do
     %{"alerts" => alerts}
   end
 
+  def enabled?(subscription, "follow_request") do
+    enabled?(subscription, "follow")
+  end
+
+  def enabled?(subscription, alert_type) do
+    get_in(subscription.data, ["alerts", alert_type])
+  end
+
   def create(
         %User{} = user,
         %Token{} = token,
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 5f5ec1c81..153802a43 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -16,78 +16,60 @@ defmodule Pleroma.Web.Router do
     plug(Pleroma.Plugs.UserEnabledPlug)
   end
 
-  pipeline :api do
-    plug(:accepts, ["json"])
-    plug(:fetch_session)
+  pipeline :authenticate do
     plug(Pleroma.Plugs.OAuthPlug)
     plug(Pleroma.Plugs.BasicAuthDecoderPlug)
     plug(Pleroma.Plugs.UserFetcherPlug)
     plug(Pleroma.Plugs.SessionAuthenticationPlug)
     plug(Pleroma.Plugs.LegacyAuthenticationPlug)
     plug(Pleroma.Plugs.AuthenticationPlug)
+  end
+
+  pipeline :after_auth do
     plug(Pleroma.Plugs.UserEnabledPlug)
     plug(Pleroma.Plugs.SetUserSessionIdPlug)
     plug(Pleroma.Plugs.EnsureUserKeyPlug)
-    plug(Pleroma.Plugs.IdempotencyPlug)
-    plug(OpenApiSpex.Plug.PutApiSpec, module: Pleroma.Web.ApiSpec)
   end
 
-  pipeline :authenticated_api do
+  pipeline :base_api do
     plug(:accepts, ["json"])
     plug(:fetch_session)
-    plug(Pleroma.Plugs.OAuthPlug)
-    plug(Pleroma.Plugs.BasicAuthDecoderPlug)
-    plug(Pleroma.Plugs.UserFetcherPlug)
-    plug(Pleroma.Plugs.SessionAuthenticationPlug)
-    plug(Pleroma.Plugs.LegacyAuthenticationPlug)
-    plug(Pleroma.Plugs.AuthenticationPlug)
-    plug(Pleroma.Plugs.UserEnabledPlug)
-    plug(Pleroma.Plugs.SetUserSessionIdPlug)
+    plug(:authenticate)
+    plug(OpenApiSpex.Plug.PutApiSpec, module: Pleroma.Web.ApiSpec)
+  end
+
+  pipeline :api do
+    plug(:base_api)
+    plug(:after_auth)
+    plug(Pleroma.Plugs.IdempotencyPlug)
+  end
+
+  pipeline :authenticated_api do
+    plug(:base_api)
+    plug(Pleroma.Plugs.AuthExpectedPlug)
+    plug(:after_auth)
     plug(Pleroma.Plugs.EnsureAuthenticatedPlug)
     plug(Pleroma.Plugs.IdempotencyPlug)
-    plug(OpenApiSpex.Plug.PutApiSpec, module: Pleroma.Web.ApiSpec)
   end
 
   pipeline :admin_api do
-    plug(:accepts, ["json"])
-    plug(:fetch_session)
-    plug(Pleroma.Plugs.OAuthPlug)
-    plug(Pleroma.Plugs.BasicAuthDecoderPlug)
-    plug(Pleroma.Plugs.UserFetcherPlug)
-    plug(Pleroma.Plugs.SessionAuthenticationPlug)
-    plug(Pleroma.Plugs.LegacyAuthenticationPlug)
-    plug(Pleroma.Plugs.AuthenticationPlug)
+    plug(:base_api)
     plug(Pleroma.Plugs.AdminSecretAuthenticationPlug)
-    plug(Pleroma.Plugs.UserEnabledPlug)
-    plug(Pleroma.Plugs.SetUserSessionIdPlug)
+    plug(:after_auth)
     plug(Pleroma.Plugs.EnsureAuthenticatedPlug)
     plug(Pleroma.Plugs.UserIsAdminPlug)
     plug(Pleroma.Plugs.IdempotencyPlug)
-    plug(OpenApiSpex.Plug.PutApiSpec, module: Pleroma.Web.ApiSpec)
   end
 
   pipeline :mastodon_html do
-    plug(:accepts, ["html"])
-    plug(:fetch_session)
-    plug(Pleroma.Plugs.OAuthPlug)
-    plug(Pleroma.Plugs.BasicAuthDecoderPlug)
-    plug(Pleroma.Plugs.UserFetcherPlug)
-    plug(Pleroma.Plugs.SessionAuthenticationPlug)
-    plug(Pleroma.Plugs.LegacyAuthenticationPlug)
-    plug(Pleroma.Plugs.AuthenticationPlug)
-    plug(Pleroma.Plugs.UserEnabledPlug)
-    plug(Pleroma.Plugs.SetUserSessionIdPlug)
-    plug(Pleroma.Plugs.EnsureUserKeyPlug)
+    plug(:browser)
+    plug(:authenticate)
+    plug(:after_auth)
   end
 
   pipeline :pleroma_html do
-    plug(:accepts, ["html"])
-    plug(:fetch_session)
-    plug(Pleroma.Plugs.OAuthPlug)
-    plug(Pleroma.Plugs.BasicAuthDecoderPlug)
-    plug(Pleroma.Plugs.UserFetcherPlug)
-    plug(Pleroma.Plugs.SessionAuthenticationPlug)
-    plug(Pleroma.Plugs.AuthenticationPlug)
+    plug(:browser)
+    plug(:authenticate)
     plug(Pleroma.Plugs.EnsureUserKeyPlug)
   end
 
@@ -203,12 +185,18 @@ defmodule Pleroma.Web.Router do
     get("/config", AdminAPIController, :config_show)
     post("/config", AdminAPIController, :config_update)
     get("/config/descriptions", AdminAPIController, :config_descriptions)
+    get("/need_reboot", AdminAPIController, :need_reboot)
     get("/restart", AdminAPIController, :restart)
 
     get("/moderation_log", AdminAPIController, :list_log)
 
     post("/reload_emoji", AdminAPIController, :reload_emoji)
     get("/stats", AdminAPIController, :stats)
+
+    get("/oauth_app", AdminAPIController, :oauth_app_list)
+    post("/oauth_app", AdminAPIController, :oauth_app_create)
+    patch("/oauth_app/:id", AdminAPIController, :oauth_app_update)
+    delete("/oauth_app/:id", AdminAPIController, :oauth_app_delete)
   end
 
   scope "/api/pleroma/emoji", Pleroma.Web.PleromaAPI do
@@ -338,7 +326,7 @@ defmodule Pleroma.Web.Router do
     get("/accounts/relationships", AccountController, :relationships)
 
     get("/accounts/:id/lists", AccountController, :lists)
-    get("/accounts/:id/identity_proofs", MastodonAPIController, :empty_array)
+    get("/accounts/:id/identity_proofs", AccountController, :identity_proofs)
 
     get("/follow_requests", FollowRequestController, :index)
     get("/blocks", AccountController, :blocks)
@@ -508,7 +496,7 @@ defmodule Pleroma.Web.Router do
   end
 
   scope "/api" do
-    pipe_through(:api)
+    pipe_through(:base_api)
 
     get("/openapi", OpenApiSpex.Plug.RenderSpec, [])
   end
@@ -522,10 +510,6 @@ defmodule Pleroma.Web.Router do
     post("/qvitter/statuses/notifications/read", TwitterAPI.Controller, :notifications_read)
   end
 
-  pipeline :ap_service_actor do
-    plug(:accepts, ["activity+json", "json"])
-  end
-
   pipeline :ostatus do
     plug(:accepts, ["html", "xml", "rss", "atom", "activity+json", "json"])
     plug(Pleroma.Plugs.StaticFEPlug)
@@ -536,8 +520,7 @@ defmodule Pleroma.Web.Router do
   end
 
   scope "/", Pleroma.Web do
-    pipe_through(:ostatus)
-    pipe_through(:http_signature)
+    pipe_through([:ostatus, :http_signature])
 
     get("/objects/:uuid", OStatus.OStatusController, :object)
     get("/activities/:uuid", OStatus.OStatusController, :activity)
@@ -555,13 +538,6 @@ defmodule Pleroma.Web.Router do
     get("/mailer/unsubscribe/:token", Mailer.SubscriptionController, :unsubscribe)
   end
 
-  # Server to Server (S2S) AP interactions
-  pipeline :activitypub do
-    plug(:accepts, ["activity+json", "json"])
-    plug(Pleroma.Web.Plugs.HTTPSignaturePlug)
-    plug(Pleroma.Web.Plugs.MappedSignatureToIdentityPlug)
-  end
-
   scope "/", Pleroma.Web.ActivityPub do
     # XXX: not really ostatus
     pipe_through(:ostatus)
@@ -569,19 +545,22 @@ defmodule Pleroma.Web.Router do
     get("/users/:nickname/outbox", ActivityPubController, :outbox)
   end
 
+  pipeline :ap_service_actor do
+    plug(:accepts, ["activity+json", "json"])
+  end
+
+  # Server to Server (S2S) AP interactions
+  pipeline :activitypub do
+    plug(:ap_service_actor)
+    plug(:http_signature)
+  end
+
   # Client to Server (C2S) AP interactions
   pipeline :activitypub_client do
-    plug(:accepts, ["activity+json", "json"])
+    plug(:ap_service_actor)
     plug(:fetch_session)
-    plug(Pleroma.Plugs.OAuthPlug)
-    plug(Pleroma.Plugs.BasicAuthDecoderPlug)
-    plug(Pleroma.Plugs.UserFetcherPlug)
-    plug(Pleroma.Plugs.SessionAuthenticationPlug)
-    plug(Pleroma.Plugs.LegacyAuthenticationPlug)
-    plug(Pleroma.Plugs.AuthenticationPlug)
-    plug(Pleroma.Plugs.UserEnabledPlug)
-    plug(Pleroma.Plugs.SetUserSessionIdPlug)
-    plug(Pleroma.Plugs.EnsureUserKeyPlug)
+    plug(:authenticate)
+    plug(:after_auth)
   end
 
   scope "/", Pleroma.Web.ActivityPub do
@@ -653,12 +632,7 @@ defmodule Pleroma.Web.Router do
     get("/web/*path", MastoFEController, :index)
   end
 
-  pipeline :remote_media do
-  end
-
   scope "/proxy/", Pleroma.Web.MediaProxy do
-    pipe_through(:remote_media)
-
     get("/:sig/:url", MediaProxyController, :remote)
     get("/:sig/:url/:filename", MediaProxyController, :remote)
   end
@@ -671,6 +645,17 @@ defmodule Pleroma.Web.Router do
     end
   end
 
+  # Test-only routes needed to test action dispatching and plug chain execution
+  if Pleroma.Config.get(:env) == :test do
+    scope "/test/authenticated_api", Pleroma.Tests do
+      pipe_through(:authenticated_api)
+
+      for action <- [:skipped_oauth, :performed_oauth, :missed_oauth] do
+        get("/#{action}", OAuthTestController, action)
+      end
+    end
+  end
+
   scope "/", Pleroma.Web.MongooseIM do
     get("/user_exists", MongooseIMController, :user_exists)
     get("/check_password", MongooseIMController, :check_password)
diff --git a/lib/pleroma/web/static_fe/static_fe_view.ex b/lib/pleroma/web/static_fe/static_fe_view.ex
index 66d87620c..b3d1d1ec8 100644
--- a/lib/pleroma/web/static_fe/static_fe_view.ex
+++ b/lib/pleroma/web/static_fe/static_fe_view.ex
@@ -18,15 +18,6 @@ defmodule Pleroma.Web.StaticFE.StaticFEView do
 
   @media_types ["image", "audio", "video"]
 
-  def emoji_for_user(%User{} = user) do
-    user.source_data
-    |> Map.get("tag", [])
-    |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
-    |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
-      {String.trim(name, ":"), url}
-    end)
-  end
-
   def fetch_media_type(%{"mediaType" => mediaType}) do
     Utils.fetch_media_type(@media_types, mediaType)
   end
diff --git a/lib/pleroma/web/templates/feed/feed/_activity.atom.eex b/lib/pleroma/web/templates/feed/feed/_activity.atom.eex
index ac8a75009..78350f2aa 100644
--- a/lib/pleroma/web/templates/feed/feed/_activity.atom.eex
+++ b/lib/pleroma/web/templates/feed/feed/_activity.atom.eex
@@ -2,10 +2,10 @@
   <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
   <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
   <id><%= @data["id"] %></id>
-  <title><%= activity_title(@object, Keyword.get(@feed_config, :post_title, %{})) %></title>
-  <content type="html"><%= activity_content(@object) %></content>
-  <published><%= @data["published"] %></published>
-  <updated><%= @data["published"] %></updated>
+  <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
+  <content type="html"><%= activity_content(@data) %></content>
+  <published><%= @activity.data["published"] %></published>
+  <updated><%= @activity.data["published"] %></updated>
   <ostatus:conversation ref="<%= activity_context(@activity) %>">
     <%= activity_context(@activity) %>
   </ostatus:conversation>
diff --git a/lib/pleroma/web/templates/feed/feed/_activity.rss.eex b/lib/pleroma/web/templates/feed/feed/_activity.rss.eex
index a4dbed638..a304a16af 100644
--- a/lib/pleroma/web/templates/feed/feed/_activity.rss.eex
+++ b/lib/pleroma/web/templates/feed/feed/_activity.rss.eex
@@ -2,10 +2,10 @@
   <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
   <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
   <guid><%= @data["id"] %></guid>
-  <title><%= activity_title(@object, Keyword.get(@feed_config, :post_title, %{})) %></title>
-  <description><%= activity_content(@object) %></description>
-  <pubDate><%= @data["published"] %></pubDate>
-  <updated><%= @data["published"] %></updated>
+  <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
+  <description><%= activity_content(@data) %></description>
+  <pubDate><%= @activity.data["published"] %></pubDate>
+  <updated><%= @activity.data["published"] %></updated>
   <ostatus:conversation ref="<%= activity_context(@activity) %>">
     <%= activity_context(@activity) %>
   </ostatus:conversation>
diff --git a/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex b/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
index da4fa6d6c..cf5874a91 100644
--- a/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
+++ b/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
@@ -1,12 +1,12 @@
 <entry>
     <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
     <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
-    
+
     <%= render @view_module, "_tag_author.atom", assigns %>
-    
+
     <id><%= @data["id"] %></id>
-    <title><%= activity_title(@object, Keyword.get(@feed_config, :post_title, %{})) %></title>
-    <content type="html"><%= activity_content(@object) %></content>
+    <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
+    <content type="html"><%= activity_content(@data) %></content>
 
   <%= if @activity.local do %>
     <link type="application/atom+xml" href='<%= @data["id"] %>' rel="self"/>
@@ -15,8 +15,8 @@
     <link type="text/html" href='<%= @data["external_url"] %>' rel="alternate"/>
   <% end %>
 
-    <published><%= @data["published"] %></published>
-    <updated><%= @data["published"] %></updated>
+    <published><%= @activity.data["published"] %></published>
+    <updated><%= @activity.data["published"] %></updated>
 
     <ostatus:conversation ref="<%= activity_context(@activity) %>">
       <%= activity_context(@activity) %>
@@ -26,7 +26,7 @@
    <%= if @data["summary"] do %>
     <summary><%= @data["summary"] %></summary>
    <% end %>
-  
+
     <%= for id <- @activity.recipients do %>
       <%= if id == Pleroma.Constants.as_public() do %>
         <link rel="mentioned"
@@ -40,7 +40,7 @@
         <% end %>
       <% end %>
     <% end %>
-  
+
     <%= for tag <- @data["tag"] || [] do %>
       <category term="<%= tag %>"></category>
     <% end %>
diff --git a/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex b/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex
index 295574df1..2334e24a2 100644
--- a/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex
+++ b/lib/pleroma/web/templates/feed/feed/_tag_activity.xml.eex
@@ -1,15 +1,14 @@
 <item>
-  <title><%= activity_title(@object, Keyword.get(@feed_config, :post_title, %{})) %></title>
-  
-  
+  <title><%= activity_title(@data, Keyword.get(@feed_config, :post_title, %{})) %></title>
+
+
   <guid isPermalink="true"><%= activity_context(@activity) %></guid>
   <link><%= activity_context(@activity) %></link>
-  <pubDate><%= pub_date(@data["published"]) %></pubDate>
-  
-  <description><%= activity_content(@object) %></description>
+  <pubDate><%= pub_date(@activity.data["published"]) %></pubDate>
+
+  <description><%= activity_content(@data) %></description>
   <%= for attachment <- @data["attachment"] || [] do %>
     <enclosure url="<%= attachment_href(attachment) %>" type="<%= attachment_type(attachment) %>"/>
   <% end %>
-  
-</item>
 
+</item>
diff --git a/lib/pleroma/web/templates/static_fe/static_fe/_user_card.html.eex b/lib/pleroma/web/templates/static_fe/static_fe/_user_card.html.eex
index 2a7582d45..56f3a1524 100644
--- a/lib/pleroma/web/templates/static_fe/static_fe/_user_card.html.eex
+++ b/lib/pleroma/web/templates/static_fe/static_fe/_user_card.html.eex
@@ -4,7 +4,7 @@
       <img src="<%= User.avatar_url(@user) |> MediaProxy.url %>" width="48" height="48" alt="">
     </div>
     <span class="display-name">
-      <bdi><%= raw (@user.name |> Formatter.emojify(emoji_for_user(@user))) %></bdi>
+      <bdi><%= raw Formatter.emojify(@user.name, @user.emoji) %></bdi>
       <span class="nickname"><%= @user.nickname %></span>
     </span>
   </a>
diff --git a/lib/pleroma/web/templates/static_fe/static_fe/profile.html.eex b/lib/pleroma/web/templates/static_fe/static_fe/profile.html.eex
index e7d2aecad..3191bf450 100644
--- a/lib/pleroma/web/templates/static_fe/static_fe/profile.html.eex
+++ b/lib/pleroma/web/templates/static_fe/static_fe/profile.html.eex
@@ -7,7 +7,7 @@
       <input type="hidden" name="profile" value="">
       <button type="submit" class="collapse">Remote follow</button>
     </form>
-    <%= raw Formatter.emojify(@user.name, emoji_for_user(@user)) %> |
+    <%= raw Formatter.emojify(@user.name, @user.emoji) %> |
     <%= link "@#{@user.nickname}@#{Endpoint.host()}", to: (@user.uri || @user.ap_id) %>
   </h3>
   <p><%= raw @user.bio %></p>
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index f9c0994da..7a1ba6936 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -13,6 +13,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
 
   def register_user(params, opts \\ []) do
     token = params["token"]
+    trusted_app? = params["trusted_app"]
 
     params = %{
       nickname: params["nickname"],
@@ -29,7 +30,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     captcha_enabled = Pleroma.Config.get([Pleroma.Captcha, :enabled])
     # true if captcha is disabled or enabled and valid, false otherwise
     captcha_ok =
-      if not captcha_enabled do
+      if trusted_app? || not captcha_enabled do
         :ok
       else
         Pleroma.Captcha.validate(
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 0229aea97..31adc2817 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -15,6 +15,8 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
 
   plug(OAuthScopesPlug, %{scopes: ["write:notifications"]} when action == :notifications_read)
 
+  plug(:skip_plug, OAuthScopesPlug when action in [:oauth_tokens, :revoke_token])
+
   plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
 
   action_fallback(:errors)
diff --git a/lib/pleroma/web/web.ex b/lib/pleroma/web/web.ex
index cf3ac1287..bf48ce26c 100644
--- a/lib/pleroma/web/web.ex
+++ b/lib/pleroma/web/web.ex
@@ -29,11 +29,45 @@ defmodule Pleroma.Web do
       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
+      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
+          super(conn, params)
+        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
+          conn
+          |> render_error(
+            :forbidden,
+            "Security violation: OAuth scopes check was neither handled nor explicitly skipped."
+          )
+          |> halt()
+        else
+          conn
+        end
+      end
     end
   end
 
@@ -96,6 +130,35 @@ defmodule Pleroma.Web do
     end
   end
 
+  def plug do
+    quote do
+      alias Pleroma.Plugs.PlugHelper
+
+      @doc """
+      Marks a plug intentionally skipped and blocks its execution if it's present in plugs chain.
+      """
+      def skip_plug(conn) do
+        PlugHelper.append_to_private_list(
+          conn,
+          PlugHelper.skipped_plugs_list_id(),
+          __MODULE__
+        )
+      end
+
+      @impl Plug
+      @doc "If marked as skipped, returns `conn`, and calls `perform/2` otherwise."
+      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)
+        end
+      end
+    end
+  end
+
   @doc """
   When used, dispatch to the appropriate controller/view/etc.
   """