Merge branch 'develop' of git.pleroma.social:pleroma/pleroma into frontend-bundles-downloads

65 files changed, 1518 insertions, 618 deletions

diff --git a/lib/mix/pleroma.ex b/lib/mix/pleroma.ex
index 074492a46..fe9b0d16c 100644
--- a/lib/mix/pleroma.ex
+++ b/lib/mix/pleroma.ex
@@ -14,7 +14,7 @@ defmodule Mix.Pleroma do
     :swoosh,
     :timex
   ]
-  @cachex_children ["object", "user"]
+  @cachex_children ["object", "user", "scrubber"]
   @doc "Common functions to be reused in mix tasks"
   def start_pleroma do
     Pleroma.Config.Holder.save_default()
diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex
index 82e2abdcb..7d8f00b08 100644
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@@ -10,6 +10,7 @@ defmodule Mix.Tasks.Pleroma.Database do
   alias Pleroma.User
   require Logger
   require Pleroma.Constants
+  import Ecto.Query
   import Mix.Pleroma
   use Mix.Task
 
@@ -53,8 +54,6 @@ defmodule Mix.Tasks.Pleroma.Database do
   end
 
   def run(["prune_objects" | args]) do
-    import Ecto.Query
-
     {options, [], []} =
       OptionParser.parse(
         args,
@@ -94,8 +93,6 @@ defmodule Mix.Tasks.Pleroma.Database do
   end
 
   def run(["fix_likes_collections"]) do
-    import Ecto.Query
-
     start_pleroma()
 
     from(object in Object,
@@ -130,4 +127,33 @@ defmodule Mix.Tasks.Pleroma.Database do
 
     Maintenance.vacuum(args)
   end
+
+  def run(["ensure_expiration"]) do
+    start_pleroma()
+    days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365)
+
+    Pleroma.Activity
+    |> join(:left, [a], u in assoc(a, :expiration))
+    |> join(:inner, [a, _u], o in Object,
+      on:
+        fragment(
+          "(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
+          o.data,
+          a.data,
+          a.data
+        )
+    )
+    |> where(local: true)
+    |> where([a, u], is_nil(u))
+    |> where([a], fragment("(? ->> 'type'::text) = 'Create'", a.data))
+    |> where([_a, _u, o], fragment("?->>'type' = 'Note'", o.data))
+    |> Pleroma.RepoStreamer.chunk_stream(100)
+    |> Stream.each(fn activities ->
+      Enum.each(activities, fn activity ->
+        expires_at = Timex.shift(activity.inserted_at, days: days)
+        Pleroma.ActivityExpiration.create(activity, expires_at, false)
+      end)
+    end)
+    |> Stream.run()
+  end
 end
diff --git a/lib/mix/tasks/pleroma/ecto/migrate.ex b/lib/mix/tasks/pleroma/ecto/migrate.ex
index bc8ed29fb..e903bd171 100644
--- a/lib/mix/tasks/pleroma/ecto/migrate.ex
+++ b/lib/mix/tasks/pleroma/ecto/migrate.ex
@@ -41,6 +41,10 @@ defmodule Mix.Tasks.Pleroma.Ecto.Migrate do
     load_pleroma()
     {opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
 
+    if Application.get_env(:pleroma, Pleroma.Repo)[:ssl] do
+      Application.ensure_all_started(:ssl)
+    end
+
     opts =
       if opts[:to] || opts[:step] || opts[:all],
         do: opts,
diff --git a/lib/mix/tasks/pleroma/ecto/rollback.ex b/lib/mix/tasks/pleroma/ecto/rollback.ex
index f43bd0b98..3dba952cb 100644
--- a/lib/mix/tasks/pleroma/ecto/rollback.ex
+++ b/lib/mix/tasks/pleroma/ecto/rollback.ex
@@ -40,6 +40,10 @@ defmodule Mix.Tasks.Pleroma.Ecto.Rollback do
     load_pleroma()
     {opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
 
+    if Application.get_env(:pleroma, Pleroma.Repo)[:ssl] do
+      Application.ensure_all_started(:ssl)
+    end
+
     opts =
       if opts[:to] || opts[:step] || opts[:all],
         do: opts,
diff --git a/lib/mix/tasks/pleroma/emoji.ex b/lib/mix/tasks/pleroma/emoji.ex
index f4eaeac98..8f52ee98d 100644
--- a/lib/mix/tasks/pleroma/emoji.ex
+++ b/lib/mix/tasks/pleroma/emoji.ex
@@ -15,7 +15,7 @@ defmodule Mix.Tasks.Pleroma.Emoji do
     {options, [], []} = parse_global_opts(args)
 
     url_or_path = options[:manifest] || default_manifest()
-    manifest = fetch_and_decode(url_or_path)
+    manifest = fetch_and_decode!(url_or_path)
 
     Enum.each(manifest, fn {name, info} ->
       to_print = [
@@ -42,7 +42,7 @@ defmodule Mix.Tasks.Pleroma.Emoji do
 
     url_or_path = options[:manifest] || default_manifest()
 
-    manifest = fetch_and_decode(url_or_path)
+    manifest = fetch_and_decode!(url_or_path)
 
     for pack_name <- pack_names do
       if Map.has_key?(manifest, pack_name) do
@@ -92,7 +92,7 @@ defmodule Mix.Tasks.Pleroma.Emoji do
           ])
         )
 
-        files = fetch_and_decode(files_loc)
+        files = fetch_and_decode!(files_loc)
 
         IO.puts(IO.ANSI.format(["Unpacking ", :bright, pack_name]))
 
@@ -243,9 +243,11 @@ defmodule Mix.Tasks.Pleroma.Emoji do
     IO.puts("Emoji packs have been reloaded.")
   end
 
-  defp fetch_and_decode(from) do
+  defp fetch_and_decode!(from) do
     with {:ok, json} <- fetch(from) do
       Jason.decode!(json)
+    else
+      {:error, error} -> raise "#{from} cannot be fetched. Error: #{error} occur."
     end
   end
 
diff --git a/lib/mix/tasks/pleroma/relay.ex b/lib/mix/tasks/pleroma/relay.ex
index c3312507e..a6d8d6c1c 100644
--- a/lib/mix/tasks/pleroma/relay.ex
+++ b/lib/mix/tasks/pleroma/relay.ex
@@ -35,10 +35,16 @@ defmodule Mix.Tasks.Pleroma.Relay do
   def run(["list"]) do
     start_pleroma()
 
-    with {:ok, list} <- Relay.list(true) do
-      list |> Enum.each(&shell_info(&1))
+    with {:ok, list} <- Relay.list() do
+      Enum.each(list, &print_relay_url/1)
     else
       {:error, e} -> shell_error("Error while fetching relay subscription list: #{inspect(e)}")
     end
   end
+
+  defp print_relay_url(%{followed_back: false} = relay) do
+    shell_info("#{relay.actor} - no Accept received (relay didn't follow back)")
+  end
+
+  defp print_relay_url(relay), do: shell_info(relay.actor)
 end
diff --git a/lib/mix/tasks/pleroma/release_env.ex b/lib/mix/tasks/pleroma/release_env.ex
deleted file mode 100644
index 9da74ffcf..000000000
--- a/lib/mix/tasks/pleroma/release_env.ex
+++ /dev/null
@@ -1,76 +0,0 @@
-# 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.ReleaseEnv do
-  use Mix.Task
-  import Mix.Pleroma
-
-  @shortdoc "Generate Pleroma environment file."
-  @moduledoc File.read!("docs/administration/CLI_tasks/release_environments.md")
-
-  def run(["gen" | rest]) do
-    {options, [], []} =
-      OptionParser.parse(
-        rest,
-        strict: [
-          force: :boolean,
-          path: :string
-        ],
-        aliases: [
-          p: :path,
-          f: :force
-        ]
-      )
-
-    file_path =
-      get_option(
-        options,
-        :path,
-        "Environment file path",
-        "./config/pleroma.env"
-      )
-
-    env_path = Path.expand(file_path)
-
-    proceed? =
-      if File.exists?(env_path) do
-        get_option(
-          options,
-          :force,
-          "Environment file already exists. Do you want to overwrite the #{env_path} file? (y/n)",
-          "n"
-        ) === "y"
-      else
-        true
-      end
-
-    if proceed? do
-      case do_generate(env_path) do
-        {:error, reason} ->
-          shell_error(
-            File.Error.message(%{action: "write to file", reason: reason, path: env_path})
-          )
-
-        _ ->
-          shell_info("\nThe file generated: #{env_path}.\n")
-
-          shell_info("""
-          WARNING: before start pleroma app please make sure to make the file read-only and non-modifiable.
-            Example:
-              chmod 0444 #{file_path}
-              chattr +i #{file_path}
-          """)
-      end
-    else
-      shell_info("\nThe file is exist. #{env_path}.\n")
-    end
-  end
-
-  def do_generate(path) do
-    content = "RELEASE_COOKIE=#{Base.encode32(:crypto.strong_rand_bytes(32))}"
-
-    File.mkdir_p!(Path.dirname(path))
-    File.write(path, content)
-  end
-end
diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index c3cea8d2a..97feebeaa 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -340,4 +340,10 @@ defmodule Pleroma.Activity do
       _ -> nil
     end
   end
+
+  @spec pinned_by_actor?(Activity.t()) :: boolean()
+  def pinned_by_actor?(%Activity{} = activity) do
+    actor = user_actor(activity)
+    activity.id in actor.pinned_activities
+  end
 end
diff --git a/lib/pleroma/activity_expiration.ex b/lib/pleroma/activity_expiration.ex
index db9c88d84..955f0578e 100644
--- a/lib/pleroma/activity_expiration.ex
+++ b/lib/pleroma/activity_expiration.ex
@@ -20,11 +20,11 @@ defmodule Pleroma.ActivityExpiration do
     field(:scheduled_at, :naive_datetime)
   end
 
-  def changeset(%ActivityExpiration{} = expiration, attrs) do
+  def changeset(%ActivityExpiration{} = expiration, attrs, validate_scheduled_at) do
     expiration
     |> cast(attrs, [:scheduled_at])
     |> validate_required([:scheduled_at])
-    |> validate_scheduled_at()
+    |> validate_scheduled_at(validate_scheduled_at)
   end
 
   def get_by_activity_id(activity_id) do
@@ -33,9 +33,9 @@ defmodule Pleroma.ActivityExpiration do
     |> Repo.one()
   end
 
-  def create(%Activity{} = activity, scheduled_at) do
+  def create(%Activity{} = activity, scheduled_at, validate_scheduled_at \\ true) do
     %ActivityExpiration{activity_id: activity.id}
-    |> changeset(%{scheduled_at: scheduled_at})
+    |> changeset(%{scheduled_at: scheduled_at}, validate_scheduled_at)
     |> Repo.insert()
   end
 
@@ -46,10 +46,17 @@ defmodule Pleroma.ActivityExpiration do
 
     ActivityExpiration
     |> where([exp], exp.scheduled_at < ^naive_datetime)
+    |> limit(50)
+    |> preload(:activity)
     |> Repo.all()
+    |> Enum.reject(fn %{activity: activity} ->
+      Activity.pinned_by_actor?(activity)
+    end)
   end
 
-  def validate_scheduled_at(changeset) do
+  def validate_scheduled_at(changeset, false), do: changeset
+
+  def validate_scheduled_at(changeset, true) do
     validate_change(changeset, :scheduled_at, fn _, scheduled_at ->
       if not expires_late_enough?(scheduled_at) do
         [scheduled_at: "an ephemeral activity must live for at least one hour"]
diff --git a/lib/pleroma/config.ex b/lib/pleroma/config.ex
index a8329cc1e..97f877595 100644
--- a/lib/pleroma/config.ex
+++ b/lib/pleroma/config.ex
@@ -81,6 +81,16 @@ defmodule Pleroma.Config do
     Application.delete_env(:pleroma, key)
   end
 
+  def restrict_unauthenticated_access?(resource, kind) do
+    setting = get([:restrict_unauthenticated, resource, kind])
+
+    if setting in [nil, :if_instance_is_private] do
+      !get!([:instance, :public])
+    else
+      setting
+    end
+  end
+
   def oauth_consumer_strategies, do: get([:auth, :oauth_consumer_strategies], [])
 
   def oauth_consumer_enabled?, do: oauth_consumer_strategies() != []
diff --git a/lib/pleroma/emails/user_email.ex b/lib/pleroma/emails/user_email.ex
index 313533859..1d8c72ae9 100644
--- a/lib/pleroma/emails/user_email.ex
+++ b/lib/pleroma/emails/user_email.ex
@@ -107,25 +107,34 @@ defmodule Pleroma.Emails.UserEmail do
       |> Enum.filter(&(&1.activity.data["type"] == "Create"))
       |> Enum.map(fn notification ->
         object = Pleroma.Object.normalize(notification.activity)
-        object = update_in(object.data["content"], &format_links/1)
 
-        %{
-          data: notification,
-          object: object,
-          from: User.get_by_ap_id(notification.activity.actor)
-        }
+        if not is_nil(object) do
+          object = update_in(object.data["content"], &format_links/1)
+
+          %{
+            data: notification,
+            object: object,
+            from: User.get_by_ap_id(notification.activity.actor)
+          }
+        end
       end)
+      |> Enum.filter(& &1)
 
     followers =
       notifications
       |> Enum.filter(&(&1.activity.data["type"] == "Follow"))
       |> Enum.map(fn notification ->
-        %{
-          data: notification,
-          object: Pleroma.Object.normalize(notification.activity),
-          from: User.get_by_ap_id(notification.activity.actor)
-        }
+        from = User.get_by_ap_id(notification.activity.actor)
+
+        if not is_nil(from) do
+          %{
+            data: notification,
+            object: Pleroma.Object.normalize(notification.activity),
+            from: User.get_by_ap_id(notification.activity.actor)
+          }
+        end
       end)
+      |> Enum.filter(& &1)
 
     unless Enum.empty?(mentions) do
       styling = Config.get([__MODULE__, :styling])
diff --git a/lib/pleroma/following_relationship.ex b/lib/pleroma/following_relationship.ex
index 83b366dd4..2039a259d 100644
--- a/lib/pleroma/following_relationship.ex
+++ b/lib/pleroma/following_relationship.ex
@@ -264,4 +264,12 @@ defmodule Pleroma.FollowingRelationship do
       end
     end)
   end
+
+  @spec following_ap_ids(User.t()) :: [String.t()]
+  def following_ap_ids(%User{} = user) do
+    user
+    |> following_query()
+    |> select([r, u], u.ap_id)
+    |> Repo.all()
+  end
 end
diff --git a/lib/pleroma/job_queue_monitor.ex b/lib/pleroma/job_queue_monitor.ex
index 2ecf261f3..c255a61ec 100644
--- a/lib/pleroma/job_queue_monitor.ex
+++ b/lib/pleroma/job_queue_monitor.ex
@@ -15,8 +15,8 @@ defmodule Pleroma.JobQueueMonitor do
 
   @impl true
   def init(state) do
-    :telemetry.attach("oban-monitor-failure", [:oban, :failure], &handle_event/4, nil)
-    :telemetry.attach("oban-monitor-success", [:oban, :success], &handle_event/4, nil)
+    :telemetry.attach("oban-monitor-failure", [:oban, :job, :exception], &handle_event/4, nil)
+    :telemetry.attach("oban-monitor-success", [:oban, :job, :stop], &handle_event/4, nil)
 
     {:ok, state}
   end
@@ -25,8 +25,11 @@ defmodule Pleroma.JobQueueMonitor do
     GenServer.call(__MODULE__, :stats)
   end
 
-  def handle_event([:oban, status], %{duration: duration}, meta, _) do
-    GenServer.cast(__MODULE__, {:process_event, status, duration, meta})
+  def handle_event([:oban, :job, event], %{duration: duration}, meta, _) do
+    GenServer.cast(
+      __MODULE__,
+      {:process_event, mapping_status(event), duration, meta}
+    )
   end
 
   @impl true
@@ -75,4 +78,7 @@ defmodule Pleroma.JobQueueMonitor do
     |> Map.update!(:processed_jobs, &(&1 + 1))
     |> Map.update!(status, &(&1 + 1))
   end
+
+  defp mapping_status(:stop), do: :success
+  defp mapping_status(:exception), do: :failure
 end
diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 546c4ea01..052ad413b 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -255,6 +255,10 @@ defmodule Pleroma.Object do
     end
   end
 
+  defp poll_is_multiple?(%Object{data: %{"anyOf" => [_ | _]}}), do: true
+
+  defp poll_is_multiple?(_), do: false
+
   def decrease_replies_count(ap_id) do
     Object
     |> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
@@ -281,10 +285,10 @@ defmodule Pleroma.Object do
   def increase_vote_count(ap_id, name, actor) do
     with %Object{} = object <- Object.normalize(ap_id),
          "Question" <- object.data["type"] do
-      multiple = Map.has_key?(object.data, "anyOf")
+      key = if poll_is_multiple?(object), do: "anyOf", else: "oneOf"
 
       options =
-        (object.data["anyOf"] || object.data["oneOf"] || [])
+        object.data[key]
         |> Enum.map(fn
           %{"name" => ^name} = option ->
             Kernel.update_in(option["replies"]["totalItems"], &(&1 + 1))
@@ -296,11 +300,8 @@ defmodule Pleroma.Object do
       voters = [actor | object.data["voters"] || []] |> Enum.uniq()
 
       data =
-        if multiple do
-          Map.put(object.data, "anyOf", options)
-        else
-          Map.put(object.data, "oneOf", options)
-        end
+        object.data
+        |> Map.put(key, options)
         |> Map.put("voters", voters)
 
       object
diff --git a/lib/pleroma/object/containment.ex b/lib/pleroma/object/containment.ex
index 99608b8a5..bc88e8a0c 100644
--- a/lib/pleroma/object/containment.ex
+++ b/lib/pleroma/object/containment.ex
@@ -55,7 +55,7 @@ defmodule Pleroma.Object.Containment do
   defp compare_uris(_id_uri, _other_uri), do: :error
 
   @doc """
-  Checks that an imported AP object's actor matches the domain it came from.
+  Checks that an imported AP object's actor matches the host it came from.
   """
   def contain_origin(_id, %{"actor" => nil}), do: :error
 
diff --git a/lib/pleroma/object/fetcher.ex b/lib/pleroma/object/fetcher.ex
index e74c87269..6fdbc8efd 100644
--- a/lib/pleroma/object/fetcher.ex
+++ b/lib/pleroma/object/fetcher.ex
@@ -9,6 +9,7 @@ defmodule Pleroma.Object.Fetcher do
   alias Pleroma.Repo
   alias Pleroma.Signature
   alias Pleroma.Web.ActivityPub.InternalFetchActor
+  alias Pleroma.Web.ActivityPub.ObjectValidator
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.Federator
 
@@ -23,21 +24,39 @@ defmodule Pleroma.Object.Fetcher do
     Ecto.Changeset.put_change(changeset, :updated_at, updated_at)
   end
 
-  defp maybe_reinject_internal_fields(data, %{data: %{} = old_data}) do
+  defp maybe_reinject_internal_fields(%{data: %{} = old_data}, new_data) do
     internal_fields = Map.take(old_data, Pleroma.Constants.object_internal_fields())
 
-    Map.merge(data, internal_fields)
+    Map.merge(new_data, internal_fields)
   end
 
-  defp maybe_reinject_internal_fields(data, _), do: data
+  defp maybe_reinject_internal_fields(_, new_data), do: new_data
 
   @spec reinject_object(struct(), map()) :: {:ok, Object.t()} | {:error, any()}
-  defp reinject_object(struct, data) do
-    Logger.debug("Reinjecting object #{data["id"]}")
+  defp reinject_object(%Object{data: %{"type" => "Question"}} = object, new_data) do
+    Logger.debug("Reinjecting object #{new_data["id"]}")
 
-    with data <- Transmogrifier.fix_object(data),
-         data <- maybe_reinject_internal_fields(data, struct),
-         changeset <- Object.change(struct, %{data: data}),
+    with new_data <- Transmogrifier.fix_object(new_data),
+         data <- maybe_reinject_internal_fields(object, new_data),
+         {:ok, data, _} <- ObjectValidator.validate(data, %{}),
+         changeset <- Object.change(object, %{data: data}),
+         changeset <- touch_changeset(changeset),
+         {:ok, object} <- Repo.insert_or_update(changeset),
+         {:ok, object} <- Object.set_cache(object) do
+      {:ok, object}
+    else
+      e ->
+        Logger.error("Error while processing object: #{inspect(e)}")
+        {:error, e}
+    end
+  end
+
+  defp reinject_object(%Object{} = object, new_data) do
+    Logger.debug("Reinjecting object #{new_data["id"]}")
+
+    with new_data <- Transmogrifier.fix_object(new_data),
+         data <- maybe_reinject_internal_fields(object, new_data),
+         changeset <- Object.change(object, %{data: data}),
          changeset <- touch_changeset(changeset),
          {:ok, object} <- Repo.insert_or_update(changeset),
          {:ok, object} <- Object.set_cache(object) do
@@ -51,8 +70,8 @@ defmodule Pleroma.Object.Fetcher do
 
   def refetch_object(%Object{data: %{"id" => id}} = object) do
     with {:local, false} <- {:local, Object.local?(object)},
-         {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
-         {:ok, object} <- reinject_object(object, data) do
+         {:ok, new_data} <- fetch_and_contain_remote_object_from_id(id),
+         {:ok, object} <- reinject_object(object, new_data) do
       {:ok, object}
     else
       {:local, true} -> {:ok, object}
@@ -106,8 +125,8 @@ defmodule Pleroma.Object.Fetcher do
   defp prepare_activity_params(data) do
     %{
       "type" => "Create",
-      "to" => data["to"],
-      "cc" => data["cc"],
+      "to" => data["to"] || [],
+      "cc" => data["cc"] || [],
       # Should we seriously keep this attributedTo thing?
       "actor" => data["actor"] || data["attributedTo"],
       "object" => data
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 0fa6b89dc..015c87593 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -56,6 +56,15 @@ defmodule Pleroma.Upload do
         }
   defstruct [:id, :name, :tempfile, :content_type, :path]
 
+  defp get_description(opts, upload) do
+    case {opts[:description], Pleroma.Config.get([Pleroma.Upload, :default_description])} do
+      {description, _} when is_binary(description) -> description
+      {_, :filename} -> upload.name
+      {_, str} when is_binary(str) -> str
+      _ -> ""
+    end
+  end
+
   @spec store(source, options :: [option()]) :: {:ok, Map.t()} | {:error, any()}
   def store(upload, opts \\ []) do
     opts = get_opts(opts)
@@ -63,7 +72,7 @@ defmodule Pleroma.Upload do
     with {:ok, upload} <- prepare_upload(upload, opts),
          upload = %__MODULE__{upload | path: upload.path || "#{upload.id}/#{upload.name}"},
          {:ok, upload} <- Pleroma.Upload.Filter.filter(opts.filters, upload),
-         description = Map.get(opts, :description) || upload.name,
+         description = get_description(opts, upload),
          {_, true} <-
            {:description_limit,
             String.length(description) <= Pleroma.Config.get([:instance, :description_limit])},
diff --git a/lib/pleroma/upload/filter/mogrifun.ex b/lib/pleroma/upload/filter/mogrifun.ex
index a8503ac24..c8fa7b190 100644
--- a/lib/pleroma/upload/filter/mogrifun.ex
+++ b/lib/pleroma/upload/filter/mogrifun.ex
@@ -6,6 +6,10 @@ defmodule Pleroma.Upload.Filter.Mogrifun do
   @behaviour Pleroma.Upload.Filter
   alias Pleroma.Upload.Filter
 
+  @moduledoc """
+  This module is just an example of an Upload filter. It's not supposed to be used in production.
+  """
+
   @filters [
     {"implode", "1"},
     {"-raise", "20"},
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 09e606b37..d2ad9516f 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -247,6 +247,13 @@ defmodule Pleroma.User do
     end
   end
 
+  defdelegate following_count(user), to: FollowingRelationship
+  defdelegate following(user), to: FollowingRelationship
+  defdelegate following?(follower, followed), to: FollowingRelationship
+  defdelegate following_ap_ids(user), to: FollowingRelationship
+  defdelegate get_follow_requests(user), to: FollowingRelationship
+  defdelegate search(query, opts \\ []), to: User.Search
+
   @doc """
   Dumps Flake Id to SQL-compatible format (16-byte UUID).
   E.g. "9pQtDGXuq4p3VlcJEm" -> <<0, 0, 1, 110, 179, 218, 42, 92, 213, 41, 44, 227, 95, 213, 0, 0>>
@@ -311,10 +318,12 @@ defmodule Pleroma.User do
 
   def visible_for(_, _), do: :invisible
 
-  defp restrict_unauthenticated?(%User{local: local}) do
-    config_key = if local, do: :local, else: :remote
+  defp restrict_unauthenticated?(%User{local: true}) do
+    Config.restrict_unauthenticated_access?(:profiles, :local)
+  end
 
-    Config.get([:restrict_unauthenticated, :profiles, config_key], false)
+  defp restrict_unauthenticated?(%User{local: _}) do
+    Config.restrict_unauthenticated_access?(:profiles, :remote)
   end
 
   defp visible_account_status(user) do
@@ -370,8 +379,6 @@ defmodule Pleroma.User do
     from(u in query, where: u.deactivated != ^true)
   end
 
-  defdelegate following_count(user), to: FollowingRelationship
-
   defp truncate_fields_param(params) do
     if Map.has_key?(params, :fields) do
       Map.put(params, :fields, Enum.map(params[:fields], &truncate_field/1))
@@ -638,6 +645,34 @@ defmodule Pleroma.User do
   @spec force_password_reset(User.t()) :: {:ok, User.t()} | {:error, Ecto.Changeset.t()}
   def force_password_reset(user), do: update_password_reset_pending(user, true)
 
+  # Used to auto-register LDAP accounts which won't have a password hash stored locally
+  def register_changeset_ldap(struct, params = %{password: password})
+      when is_nil(password) do
+    params = Map.put_new(params, :accepts_chat_messages, true)
+
+    params =
+      if Map.has_key?(params, :email) do
+        Map.put_new(params, :email, params[:email])
+      else
+        params
+      end
+
+    struct
+    |> cast(params, [
+      :name,
+      :nickname,
+      :email,
+      :accepts_chat_messages
+    ])
+    |> validate_required([:name, :nickname])
+    |> unique_constraint(:nickname)
+    |> validate_exclusion(:nickname, Config.get([User, :restricted_nicknames]))
+    |> validate_format(:nickname, local_nickname_regex())
+    |> put_ap_id()
+    |> unique_constraint(:ap_id)
+    |> put_following_and_follower_address()
+  end
+
   def register_changeset(struct, params \\ %{}, opts \\ []) do
     bio_limit = Config.get([:instance, :user_bio_length], 5000)
     name_limit = Config.get([:instance, :user_name_length], 100)
@@ -838,8 +873,6 @@ defmodule Pleroma.User do
     set_cache(follower)
   end
 
-  defdelegate following(user), to: FollowingRelationship
-
   def follow(%User{} = follower, %User{} = followed, state \\ :follow_accept) do
     deny_follow_blocked = Config.get([:user, :deny_follow_blocked])
 
@@ -893,8 +926,6 @@ defmodule Pleroma.User do
     end
   end
 
-  defdelegate following?(follower, followed), to: FollowingRelationship
-
   @doc "Returns follow state as Pleroma.FollowingRelationship.State value"
   def get_follow_state(%User{} = follower, %User{} = following) do
     following_relationship = FollowingRelationship.get(follower, following)
@@ -1159,8 +1190,6 @@ defmodule Pleroma.User do
     |> Repo.all()
   end
 
-  defdelegate get_follow_requests(user), to: FollowingRelationship
-
   def increase_note_count(%User{} = user) do
     User
     |> where(id: ^user.id)
@@ -1553,6 +1582,49 @@ defmodule Pleroma.User do
     |> update_and_set_cache()
   end
 
+  @spec purge_user_changeset(User.t()) :: Changeset.t()
+  def purge_user_changeset(user) do
+    # "Right to be forgotten"
+    # https://gdpr.eu/right-to-be-forgotten/
+    change(user, %{
+      bio: nil,
+      raw_bio: nil,
+      email: nil,
+      name: nil,
+      password_hash: nil,
+      keys: nil,
+      public_key: nil,
+      avatar: %{},
+      tags: [],
+      last_refreshed_at: nil,
+      last_digest_emailed_at: nil,
+      banner: %{},
+      background: %{},
+      note_count: 0,
+      follower_count: 0,
+      following_count: 0,
+      locked: false,
+      confirmation_pending: false,
+      password_reset_pending: false,
+      approval_pending: false,
+      registration_reason: nil,
+      confirmation_token: nil,
+      domain_blocks: [],
+      deactivated: true,
+      ap_enabled: false,
+      is_moderator: false,
+      is_admin: false,
+      mastofe_settings: nil,
+      mascot: nil,
+      emoji: %{},
+      pleroma_settings_store: %{},
+      fields: [],
+      raw_fields: [],
+      discoverable: false,
+      also_known_as: []
+    })
+  end
+
   def delete(users) when is_list(users) do
     for user <- users, do: delete(user)
   end
@@ -1580,7 +1652,7 @@ defmodule Pleroma.User do
 
       _ ->
         user
-        |> change(%{deactivated: true, email: nil})
+        |> purge_user_changeset()
         |> update_and_set_cache()
     end
   end
@@ -2090,8 +2162,6 @@ defmodule Pleroma.User do
     |> Repo.all()
   end
 
-  defdelegate search(query, opts \\ []), to: User.Search
-
   defp put_password_hash(
          %Ecto.Changeset{valid?: true, changes: %{password: password}} = changeset
        ) do
diff --git a/lib/pleroma/user/query.ex b/lib/pleroma/user/query.ex
index 45553cb6c..d618432ff 100644
--- a/lib/pleroma/user/query.ex
+++ b/lib/pleroma/user/query.ex
@@ -130,6 +130,7 @@ defmodule Pleroma.User.Query do
   defp compose_query({:active, _}, query) do
     User.restrict_deactivated(query)
     |> where([u], not is_nil(u.nickname))
+    |> where([u], u.approval_pending == false)
   end
 
   defp compose_query({:legacy_active, _}, query) do
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index a4db1d87c..624a508ae 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -66,7 +66,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp check_remote_limit(_), do: true
 
-  defp increase_note_count_if_public(actor, object) do
+  def increase_note_count_if_public(actor, object) do
     if is_public?(object), do: User.increase_note_count(actor), else: {:ok, actor}
   end
 
@@ -85,17 +85,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp increase_replies_count_if_reply(_create_data), do: :noop
 
-  defp increase_poll_votes_if_vote(%{
-         "object" => %{"inReplyTo" => reply_ap_id, "name" => name},
-         "type" => "Create",
-         "actor" => actor
-       }) do
-    Object.increase_vote_count(reply_ap_id, name, actor)
-  end
-
-  defp increase_poll_votes_if_vote(_create_data), do: :noop
-
-  @object_types ["ChatMessage"]
+  @object_types ~w[ChatMessage Question Answer Audio Event]
   @spec persist(map(), keyword()) :: {:ok, Activity.t() | Object.t()}
   def persist(%{"type" => type} = object, meta) when type in @object_types do
     with {:ok, object} <- Object.create(object) do
@@ -258,7 +248,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     with {:ok, activity} <- insert(create_data, local, fake),
          {:fake, false, activity} <- {:fake, fake, activity},
          _ <- increase_replies_count_if_reply(create_data),
-         _ <- increase_poll_votes_if_vote(create_data),
          {:quick_insert, false, activity} <- {:quick_insert, quick_insert?, activity},
          {:ok, _actor} <- increase_note_count_if_public(actor, activity),
          _ <- notify_and_stream(activity),
@@ -296,32 +285,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
-  @spec accept(map()) :: {:ok, Activity.t()} | {:error, any()}
-  def accept(params) do
-    accept_or_reject("Accept", params)
-  end
-
-  @spec reject(map()) :: {:ok, Activity.t()} | {:error, any()}
-  def reject(params) do
-    accept_or_reject("Reject", params)
-  end
-
-  @spec accept_or_reject(String.t(), map()) :: {:ok, Activity.t()} | {:error, any()}
-  defp accept_or_reject(type, %{to: to, actor: actor, object: object} = params) do
-    local = Map.get(params, :local, true)
-    activity_id = Map.get(params, :activity_id, nil)
-
-    data =
-      %{"to" => to, "type" => type, "actor" => actor.ap_id, "object" => object}
-      |> Maps.put_if_present("id", activity_id)
-
-    with {:ok, activity} <- insert(data, local),
-         _ <- notify_and_stream(activity),
-         :ok <- maybe_federate(activity) do
-      {:ok, activity}
-    end
-  end
-
   @spec unfollow(User.t(), User.t(), String.t() | nil, boolean()) ::
           {:ok, Activity.t()} | nil | {:error, any()}
   def unfollow(follower, followed, activity_id \\ nil, local \\ true) do
@@ -1381,9 +1344,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def maybe_handle_clashing_nickname(data) do
-    nickname = data[:nickname]
-
-    with %User{} = old_user <- User.get_by_nickname(nickname),
+    with nickname when is_binary(nickname) <- data[:nickname],
+         %User{} = old_user <- User.get_by_nickname(nickname),
          {_, false} <- {:ap_id_comparison, data[:ap_id] == old_user.ap_id} do
       Logger.info(
         "Found an old user for #{nickname}, the old ap id is #{old_user.ap_id}, new one is #{
@@ -1397,7 +1359,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     else
       {:ap_id_comparison, true} ->
         Logger.info(
-          "Found an old user for #{nickname}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
+          "Found an old user for #{data[:nickname]}, but the ap id #{data[:ap_id]} is the same as the new user. Race condition? Not changing anything."
         )
 
       _ ->
diff --git a/lib/pleroma/web/activity_pub/builder.ex b/lib/pleroma/web/activity_pub/builder.ex
index d5f3610ed..9a7b7d9de 100644
--- a/lib/pleroma/web/activity_pub/builder.ex
+++ b/lib/pleroma/web/activity_pub/builder.ex
@@ -14,6 +14,28 @@ defmodule Pleroma.Web.ActivityPub.Builder do
 
   require Pleroma.Constants
 
+  def accept_or_reject(actor, activity, type) do
+    data = %{
+      "id" => Utils.generate_activity_id(),
+      "actor" => actor.ap_id,
+      "type" => type,
+      "object" => activity.data["id"],
+      "to" => [activity.actor]
+    }
+
+    {:ok, data, []}
+  end
+
+  @spec reject(User.t(), Activity.t()) :: {:ok, map(), keyword()}
+  def reject(actor, rejected_activity) do
+    accept_or_reject(actor, rejected_activity, "Reject")
+  end
+
+  @spec accept(User.t(), Activity.t()) :: {:ok, map(), keyword()}
+  def accept(actor, accepted_activity) do
+    accept_or_reject(actor, accepted_activity, "Accept")
+  end
+
   @spec follow(User.t(), User.t()) :: {:ok, map(), keyword()}
   def follow(follower, followed) do
     data = %{
@@ -80,6 +102,13 @@ defmodule Pleroma.Web.ActivityPub.Builder do
   end
 
   def create(actor, object, recipients) do
+    context =
+      if is_map(object) do
+        object["context"]
+      else
+        nil
+      end
+
     {:ok,
      %{
        "id" => Utils.generate_activity_id(),
@@ -88,7 +117,8 @@ defmodule Pleroma.Web.ActivityPub.Builder do
        "object" => object,
        "type" => "Create",
        "published" => DateTime.utc_now() |> DateTime.to_iso8601()
-     }, []}
+     }
+     |> Pleroma.Maps.put_if_present("context", context), []}
   end
 
   def chat_message(actor, recipient, content, opts \\ []) do
@@ -115,6 +145,22 @@ defmodule Pleroma.Web.ActivityPub.Builder do
     end
   end
 
+  def answer(user, object, name) do
+    {:ok,
+     %{
+       "type" => "Answer",
+       "actor" => user.ap_id,
+       "attributedTo" => user.ap_id,
+       "cc" => [object.data["actor"]],
+       "to" => [],
+       "name" => name,
+       "inReplyTo" => object.data["id"],
+       "context" => object.data["context"],
+       "published" => DateTime.utc_now() |> DateTime.to_iso8601(),
+       "id" => Utils.generate_object_id()
+     }, []}
+  end
+
   @spec tombstone(String.t(), String.t()) :: {:ok, map(), keyword()}
   def tombstone(actor, id) do
     {:ok,
@@ -169,7 +215,7 @@ defmodule Pleroma.Web.ActivityPub.Builder do
 
     to =
       cond do
-        actor.ap_id == Relay.relay_ap_id() ->
+        actor.ap_id == Relay.ap_id() ->
           [actor.follower_address]
 
         public? ->
diff --git a/lib/pleroma/web/activity_pub/object_validator.ex b/lib/pleroma/web/activity_pub/object_validator.ex
index 0dcc7be4d..b77c06395 100644
--- a/lib/pleroma/web/activity_pub/object_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validator.ex
@@ -13,20 +13,47 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
   alias Pleroma.EctoType.ActivityPub.ObjectValidators
   alias Pleroma.Object
   alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AcceptRejectValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.AnnounceValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AnswerValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AudioValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CreateGenericValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.EventValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.FollowValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator
   alias Pleroma.Web.ActivityPub.ObjectValidators.UpdateValidator
 
   @spec validate(map(), keyword()) :: {:ok, map(), keyword()} | {:error, any()}
   def validate(object, meta)
 
+  def validate(%{"type" => type} = object, meta)
+      when type in ~w[Accept Reject] do
+    with {:ok, object} <-
+           object
+           |> AcceptRejectValidator.cast_and_validate()
+           |> Ecto.Changeset.apply_action(:insert) do
+      object = stringify_keys(object)
+      {:ok, object, meta}
+    end
+  end
+
+  def validate(%{"type" => "Event"} = object, meta) do
+    with {:ok, object} <-
+           object
+           |> EventValidator.cast_and_validate()
+           |> Ecto.Changeset.apply_action(:insert) do
+      object = stringify_keys(object)
+      {:ok, object, meta}
+    end
+  end
+
   def validate(%{"type" => "Follow"} = object, meta) do
     with {:ok, object} <-
            object
@@ -112,17 +139,50 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
     end
   end
 
+  def validate(%{"type" => "Question"} = object, meta) do
+    with {:ok, object} <-
+           object
+           |> QuestionValidator.cast_and_validate()
+           |> Ecto.Changeset.apply_action(:insert) do
+      object = stringify_keys(object)
+      {:ok, object, meta}
+    end
+  end
+
+  def validate(%{"type" => "Audio"} = object, meta) do
+    with {:ok, object} <-
+           object
+           |> AudioValidator.cast_and_validate()
+           |> Ecto.Changeset.apply_action(:insert) do
+      object = stringify_keys(object)
+      {:ok, object, meta}
+    end
+  end
+
+  def validate(%{"type" => "Answer"} = object, meta) do
+    with {:ok, object} <-
+           object
+           |> AnswerValidator.cast_and_validate()
+           |> Ecto.Changeset.apply_action(:insert) do
+      object = stringify_keys(object)
+      {:ok, object, meta}
+    end
+  end
+
   def validate(%{"type" => "EmojiReact"} = object, meta) do
     with {:ok, object} <-
            object
            |> EmojiReactValidator.cast_and_validate()
            |> Ecto.Changeset.apply_action(:insert) do
-      object = stringify_keys(object |> Map.from_struct())
+      object = stringify_keys(object)
       {:ok, object, meta}
     end
   end
 
-  def validate(%{"type" => "Create", "object" => object} = create_activity, meta) do
+  def validate(
+        %{"type" => "Create", "object" => %{"type" => "ChatMessage"} = object} = create_activity,
+        meta
+      ) do
     with {:ok, object_data} <- cast_and_apply(object),
          meta = Keyword.put(meta, :object_data, object_data |> stringify_keys),
          {:ok, create_activity} <-
@@ -134,12 +194,28 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
     end
   end
 
+  def validate(
+        %{"type" => "Create", "object" => %{"type" => objtype} = object} = create_activity,
+        meta
+      )
+      when objtype in ~w[Question Answer Audio Event] do
+    with {:ok, object_data} <- cast_and_apply(object),
+         meta = Keyword.put(meta, :object_data, object_data |> stringify_keys),
+         {:ok, create_activity} <-
+           create_activity
+           |> CreateGenericValidator.cast_and_validate(meta)
+           |> Ecto.Changeset.apply_action(:insert) do
+      create_activity = stringify_keys(create_activity)
+      {:ok, create_activity, meta}
+    end
+  end
+
   def validate(%{"type" => "Announce"} = object, meta) do
     with {:ok, object} <-
            object
            |> AnnounceValidator.cast_and_validate()
            |> Ecto.Changeset.apply_action(:insert) do
-      object = stringify_keys(object |> Map.from_struct())
+      object = stringify_keys(object)
       {:ok, object, meta}
     end
   end
@@ -148,8 +224,25 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidator do
     ChatMessageValidator.cast_and_apply(object)
   end
 
+  def cast_and_apply(%{"type" => "Question"} = object) do
+    QuestionValidator.cast_and_apply(object)
+  end
+
+  def cast_and_apply(%{"type" => "Answer"} = object) do
+    AnswerValidator.cast_and_apply(object)
+  end
+
+  def cast_and_apply(%{"type" => "Audio"} = object) do
+    AudioValidator.cast_and_apply(object)
+  end
+
+  def cast_and_apply(%{"type" => "Event"} = object) do
+    EventValidator.cast_and_apply(object)
+  end
+
   def cast_and_apply(o), do: {:error, {:validator_not_set, o}}
 
+  # is_struct/1 isn't present in Elixir 1.8.x
   def stringify_keys(%{__struct__: _} = object) do
     object
     |> Map.from_struct()
diff --git a/lib/pleroma/web/activity_pub/object_validators/accept_reject_validator.ex b/lib/pleroma/web/activity_pub/object_validators/accept_reject_validator.ex
new file mode 100644
index 000000000..179beda58
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/accept_reject_validator.ex
@@ -0,0 +1,56 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.AcceptRejectValidator do
+  use Ecto.Schema
+
+  alias Pleroma.Activity
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+
+  import Ecto.Changeset
+  import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+
+  @primary_key false
+
+  embedded_schema do
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
+    field(:type, :string)
+    field(:object, ObjectValidators.ObjectID)
+    field(:actor, ObjectValidators.ObjectID)
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+  end
+
+  def cast_data(data) do
+    %__MODULE__{}
+    |> cast(data, __schema__(:fields))
+  end
+
+  def validate_data(cng) do
+    cng
+    |> validate_required([:id, :type, :actor, :to, :cc, :object])
+    |> validate_inclusion(:type, ["Accept", "Reject"])
+    |> validate_actor_presence()
+    |> validate_object_presence(allowed_types: ["Follow"])
+    |> validate_accept_reject_rights()
+  end
+
+  def cast_and_validate(data) do
+    data
+    |> cast_data
+    |> validate_data
+  end
+
+  def validate_accept_reject_rights(cng) do
+    with object_id when is_binary(object_id) <- get_field(cng, :object),
+         %Activity{data: %{"object" => followed_actor}} <- Activity.get_by_ap_id(object_id),
+         true <- followed_actor == get_field(cng, :actor) do
+      cng
+    else
+      _e ->
+        cng
+        |> add_error(:actor, "can't accept or reject the given activity")
+    end
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/answer_validator.ex b/lib/pleroma/web/activity_pub/object_validators/answer_validator.ex
new file mode 100644
index 000000000..b9fbaf4f6
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/answer_validator.ex
@@ -0,0 +1,62 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.AnswerValidator do
+  use Ecto.Schema
+
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+
+  import Ecto.Changeset
+
+  @primary_key false
+  @derive Jason.Encoder
+
+  embedded_schema do
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:bto, ObjectValidators.Recipients, default: [])
+    field(:bcc, ObjectValidators.Recipients, default: [])
+    field(:type, :string)
+    field(:name, :string)
+    field(:inReplyTo, ObjectValidators.ObjectID)
+    field(:attributedTo, ObjectValidators.ObjectID)
+
+    # TODO: Remove actor on objects
+    field(:actor, ObjectValidators.ObjectID)
+  end
+
+  def cast_and_apply(data) do
+    data
+    |> cast_data()
+    |> apply_action(:insert)
+  end
+
+  def cast_and_validate(data) do
+    data
+    |> cast_data()
+    |> validate_data()
+  end
+
+  def cast_data(data) do
+    %__MODULE__{}
+    |> changeset(data)
+  end
+
+  def changeset(struct, data) do
+    struct
+    |> cast(data, __schema__(:fields))
+  end
+
+  def validate_data(data_cng) do
+    data_cng
+    |> validate_inclusion(:type, ["Answer"])
+    |> validate_required([:id, :inReplyTo, :name, :attributedTo, :actor])
+    |> CommonValidations.validate_any_presence([:cc, :to])
+    |> CommonValidations.validate_fields_match([:actor, :attributedTo])
+    |> CommonValidations.validate_actor_presence()
+    |> CommonValidations.validate_host_match()
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex b/lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex
index f53bb02be..c8b148280 100644
--- a/lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/attachment_validator.ex
@@ -41,34 +41,34 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator do
   end
 
   def fix_media_type(data) do
-    data =
-      data
-      |> Map.put_new("mediaType", data["mimeType"])
+    data = Map.put_new(data, "mediaType", data["mimeType"])
 
     if MIME.valid?(data["mediaType"]) do
       data
     else
-      data
-      |> Map.put("mediaType", "application/octet-stream")
+      Map.put(data, "mediaType", "application/octet-stream")
     end
   end
 
-  def fix_url(data) do
-    case data["url"] do
-      url when is_binary(url) ->
-        data
-        |> Map.put(
-          "url",
-          [
-            %{
-              "href" => url,
-              "type" => "Link",
-              "mediaType" => data["mediaType"]
-            }
-          ]
-        )
-
-      _ ->
+  defp handle_href(href, mediaType) do
+    [
+      %{
+        "href" => href,
+        "type" => "Link",
+        "mediaType" => mediaType
+      }
+    ]
+  end
+
+  defp fix_url(data) do
+    cond do
+      is_binary(data["url"]) ->
+        Map.put(data, "url", handle_href(data["url"], data["mediaType"]))
+
+      is_binary(data["href"]) and data["url"] == nil ->
+        Map.put(data, "url", handle_href(data["href"], data["mediaType"]))
+
+      true ->
         data
     end
   end
diff --git a/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex b/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex
new file mode 100644
index 000000000..d1869f188
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex
@@ -0,0 +1,106 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioValidator do
+  use Ecto.Schema
+
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+
+  import Ecto.Changeset
+
+  @primary_key false
+  @derive Jason.Encoder
+
+  embedded_schema do
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:bto, ObjectValidators.Recipients, default: [])
+    field(:bcc, ObjectValidators.Recipients, default: [])
+    # TODO: Write type
+    field(:tag, {:array, :map}, default: [])
+    field(:type, :string)
+    field(:content, :string)
+    field(:context, :string)
+
+    # TODO: Remove actor on objects
+    field(:actor, ObjectValidators.ObjectID)
+
+    field(:attributedTo, ObjectValidators.ObjectID)
+    field(:summary, :string)
+    field(:published, ObjectValidators.DateTime)
+    # TODO: Write type
+    field(:emoji, :map, default: %{})
+    field(:sensitive, :boolean, default: false)
+    embeds_many(:attachment, AttachmentValidator)
+    field(:replies_count, :integer, default: 0)
+    field(:like_count, :integer, default: 0)
+    field(:announcement_count, :integer, default: 0)
+    field(:inReplyTo, :string)
+    field(:url, ObjectValidators.Uri)
+    # short identifier for PleromaFE to group statuses by context
+    field(:context_id, :integer)
+
+    field(:likes, {:array, :string}, default: [])
+    field(:announcements, {:array, :string}, default: [])
+  end
+
+  def cast_and_apply(data) do
+    data
+    |> cast_data
+    |> apply_action(:insert)
+  end
+
+  def cast_and_validate(data) do
+    data
+    |> cast_data()
+    |> validate_data()
+  end
+
+  def cast_data(data) do
+    %__MODULE__{}
+    |> changeset(data)
+  end
+
+  defp fix_url(%{"url" => url} = data) when is_list(url) do
+    attachment =
+      Enum.find(url, fn x -> is_map(x) and String.starts_with?(x["mimeType"], "audio/") end)
+
+    link_element = Enum.find(url, fn x -> is_map(x) and x["mimeType"] == "text/html" end)
+
+    data
+    |> Map.put("attachment", [attachment])
+    |> Map.put("url", link_element["href"])
+  end
+
+  defp fix_url(data), do: data
+
+  defp fix(data) do
+    data
+    |> CommonFixes.fix_defaults()
+    |> CommonFixes.fix_attribution()
+    |> fix_url()
+  end
+
+  def changeset(struct, data) do
+    data = fix(data)
+
+    struct
+    |> cast(data, __schema__(:fields) -- [:attachment])
+    |> cast_embed(:attachment)
+  end
+
+  def validate_data(data_cng) do
+    data_cng
+    |> validate_inclusion(:type, ["Audio"])
+    |> validate_required([:id, :actor, :attributedTo, :type, :context, :attachment])
+    |> CommonValidations.validate_any_presence([:cc, :to])
+    |> CommonValidations.validate_fields_match([:actor, :attributedTo])
+    |> CommonValidations.validate_actor_presence()
+    |> CommonValidations.validate_host_match()
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex b/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex
new file mode 100644
index 000000000..721749de0
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex
@@ -0,0 +1,22 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes do
+  alias Pleroma.Web.ActivityPub.Utils
+
+  # based on Pleroma.Web.ActivityPub.Utils.lazy_put_objects_defaults
+  def fix_defaults(data) do
+    %{data: %{"id" => context}, id: context_id} =
+      Utils.create_context(data["context"] || data["conversation"])
+
+    data
+    |> Map.put_new("context", context)
+    |> Map.put_new("context_id", context_id)
+  end
+
+  def fix_attribution(data) do
+    data
+    |> Map.put_new("actor", data["attributedTo"])
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/common_validations.ex b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex
index bd46f8034..603d87b8e 100644
--- a/lib/pleroma/web/activity_pub/object_validators/common_validations.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/common_validations.ex
@@ -9,7 +9,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations do
   alias Pleroma.Object
   alias Pleroma.User
 
-  def validate_recipients_presence(cng, fields \\ [:to, :cc]) do
+  def validate_any_presence(cng, fields) do
     non_empty =
       fields
       |> Enum.map(fn field -> get_field(cng, field) end)
@@ -24,7 +24,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations do
       fields
       |> Enum.reduce(cng, fn field, cng ->
         cng
-        |> add_error(field, "no recipients in any field")
+        |> add_error(field, "none of #{inspect(fields)} present")
       end)
     end
   end
@@ -82,4 +82,60 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations do
 
     if actor_cng.valid?, do: actor_cng, else: object_cng
   end
+
+  def validate_host_match(cng, fields \\ [:id, :actor]) do
+    if same_domain?(cng, fields) do
+      cng
+    else
+      fields
+      |> Enum.reduce(cng, fn field, cng ->
+        cng
+        |> add_error(field, "hosts of #{inspect(fields)} aren't matching")
+      end)
+    end
+  end
+
+  def validate_fields_match(cng, fields) do
+    if map_unique?(cng, fields) do
+      cng
+    else
+      fields
+      |> Enum.reduce(cng, fn field, cng ->
+        cng
+        |> add_error(field, "Fields #{inspect(fields)} aren't matching")
+      end)
+    end
+  end
+
+  defp map_unique?(cng, fields, func \\ & &1) do
+    Enum.reduce_while(fields, nil, fn field, acc ->
+      value =
+        cng
+        |> get_field(field)
+        |> func.()
+
+      case {value, acc} do
+        {value, nil} -> {:cont, value}
+        {value, value} -> {:cont, value}
+        _ -> {:halt, false}
+      end
+    end)
+  end
+
+  def same_domain?(cng, fields \\ [:actor, :object]) do
+    map_unique?(cng, fields, fn value -> URI.parse(value).host end)
+  end
+
+  # This figures out if a user is able to create, delete or modify something
+  # based on the domain and superuser status
+  def validate_modification_rights(cng) do
+    actor = User.get_cached_by_ap_id(get_field(cng, :actor))
+
+    if User.superuser?(actor) || same_domain?(cng) do
+      cng
+    else
+      cng
+      |> add_error(:actor, "is not allowed to modify object")
+    end
+  end
 end
diff --git a/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex
new file mode 100644
index 000000000..b3dbeea57
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/create_generic_validator.ex
@@ -0,0 +1,144 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+# Code based on CreateChatMessageValidator
+# NOTES
+# - doesn't embed, will only get the object id
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateGenericValidator do
+  use Ecto.Schema
+
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Object
+
+  import Ecto.Changeset
+  import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+
+  @primary_key false
+
+  embedded_schema do
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
+    field(:actor, ObjectValidators.ObjectID)
+    field(:type, :string)
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:object, ObjectValidators.ObjectID)
+    field(:expires_at, ObjectValidators.DateTime)
+
+    # Should be moved to object, done for CommonAPI.Utils.make_context
+    field(:context, :string)
+  end
+
+  def cast_data(data, meta \\ []) do
+    data = fix(data, meta)
+
+    %__MODULE__{}
+    |> changeset(data)
+  end
+
+  def cast_and_apply(data) do
+    data
+    |> cast_data
+    |> apply_action(:insert)
+  end
+
+  def cast_and_validate(data, meta \\ []) do
+    data
+    |> cast_data(meta)
+    |> validate_data(meta)
+  end
+
+  def changeset(struct, data) do
+    struct
+    |> cast(data, __schema__(:fields))
+  end
+
+  defp fix_context(data, meta) do
+    if object = meta[:object_data] do
+      Map.put_new(data, "context", object["context"])
+    else
+      data
+    end
+  end
+
+  defp fix_addressing(data, meta) do
+    if object = meta[:object_data] do
+      data
+      |> Map.put_new("to", object["to"] || [])
+      |> Map.put_new("cc", object["cc"] || [])
+    else
+      data
+    end
+  end
+
+  defp fix(data, meta) do
+    data
+    |> fix_context(meta)
+    |> fix_addressing(meta)
+  end
+
+  def validate_data(cng, meta \\ []) do
+    cng
+    |> validate_required([:actor, :type, :object])
+    |> validate_inclusion(:type, ["Create"])
+    |> validate_actor_presence()
+    |> validate_any_presence([:to, :cc])
+    |> validate_actors_match(meta)
+    |> validate_context_match(meta)
+    |> validate_object_nonexistence()
+    |> validate_object_containment()
+  end
+
+  def validate_object_containment(cng) do
+    actor = get_field(cng, :actor)
+
+    cng
+    |> validate_change(:object, fn :object, object_id ->
+      %URI{host: object_id_host} = URI.parse(object_id)
+      %URI{host: actor_host} = URI.parse(actor)
+
+      if object_id_host == actor_host do
+        []
+      else
+        [{:object, "The host of the object id doesn't match with the host of the actor"}]
+      end
+    end)
+  end
+
+  def validate_object_nonexistence(cng) do
+    cng
+    |> validate_change(:object, fn :object, object_id ->
+      if Object.get_cached_by_ap_id(object_id) do
+        [{:object, "The object to create already exists"}]
+      else
+        []
+      end
+    end)
+  end
+
+  def validate_actors_match(cng, meta) do
+    attributed_to = meta[:object_data]["attributedTo"] || meta[:object_data]["actor"]
+
+    cng
+    |> validate_change(:actor, fn :actor, actor ->
+      if actor == attributed_to do
+        []
+      else
+        [{:actor, "Actor doesn't match with object attributedTo"}]
+      end
+    end)
+  end
+
+  def validate_context_match(cng, %{object_data: %{"context" => object_context}}) do
+    cng
+    |> validate_change(:context, fn :context, context ->
+      if context == object_context do
+        []
+      else
+        [{:context, "context field not matching between Create and object (#{object_context})"}]
+      end
+    end)
+  end
+
+  def validate_context_match(cng, _), do: cng
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex b/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex
index 316bd0c07..9b9743c4a 100644
--- a/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/create_note_validator.ex
@@ -16,11 +16,10 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateNoteValidator do
     field(:id, ObjectValidators.ObjectID, primary_key: true)
     field(:actor, ObjectValidators.ObjectID)
     field(:type, :string)
-    field(:to, {:array, :string})
-    field(:cc, {:array, :string})
-    field(:bto, {:array, :string}, default: [])
-    field(:bcc, {:array, :string}, default: [])
-
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:bto, ObjectValidators.Recipients, default: [])
+    field(:bcc, ObjectValidators.Recipients, default: [])
     embeds_one(:object, NoteValidator)
   end
 
diff --git a/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex
index 93a7b0e0b..2634e8d4d 100644
--- a/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/delete_validator.ex
@@ -7,7 +7,6 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator do
 
   alias Pleroma.Activity
   alias Pleroma.EctoType.ActivityPub.ObjectValidators
-  alias Pleroma.User
 
   import Ecto.Changeset
   import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
@@ -59,7 +58,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator do
     |> validate_required([:id, :type, :actor, :to, :cc, :object])
     |> validate_inclusion(:type, ["Delete"])
     |> validate_actor_presence()
-    |> validate_deletion_rights()
+    |> validate_modification_rights()
     |> validate_object_or_user_presence(allowed_types: @deletable_types)
     |> add_deleted_activity_id()
   end
@@ -68,31 +67,6 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidator do
     !same_domain?(cng)
   end
 
-  defp same_domain?(cng) do
-    actor_uri =
-      cng
-      |> get_field(:actor)
-      |> URI.parse()
-
-    object_uri =
-      cng
-      |> get_field(:object)
-      |> URI.parse()
-
-    object_uri.host == actor_uri.host
-  end
-
-  def validate_deletion_rights(cng) do
-    actor = User.get_cached_by_ap_id(get_field(cng, :actor))
-
-    if User.superuser?(actor) || same_domain?(cng) do
-      cng
-    else
-      cng
-      |> add_error(:actor, "is not allowed to delete object")
-    end
-  end
-
   def cast_and_validate(data) do
     data
     |> cast_data
diff --git a/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex
index a543af1f8..336c92d35 100644
--- a/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex
@@ -20,8 +20,8 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
     field(:actor, ObjectValidators.ObjectID)
     field(:context, :string)
     field(:content, :string)
-    field(:to, {:array, :string}, default: [])
-    field(:cc, {:array, :string}, default: [])
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
   end
 
   def cast_and_validate(data) do
diff --git a/lib/pleroma/web/activity_pub/object_validators/event_validator.ex b/lib/pleroma/web/activity_pub/object_validators/event_validator.ex
new file mode 100644
index 000000000..07e4821a4
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/event_validator.ex
@@ -0,0 +1,96 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.EventValidator do
+  use Ecto.Schema
+
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+
+  import Ecto.Changeset
+
+  @primary_key false
+  @derive Jason.Encoder
+
+  # Extends from NoteValidator
+  embedded_schema do
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:bto, ObjectValidators.Recipients, default: [])
+    field(:bcc, ObjectValidators.Recipients, default: [])
+    # TODO: Write type
+    field(:tag, {:array, :map}, default: [])
+    field(:type, :string)
+
+    field(:name, :string)
+    field(:summary, :string)
+    field(:content, :string)
+
+    field(:context, :string)
+    # short identifier for PleromaFE to group statuses by context
+    field(:context_id, :integer)
+
+    # TODO: Remove actor on objects
+    field(:actor, ObjectValidators.ObjectID)
+
+    field(:attributedTo, ObjectValidators.ObjectID)
+    field(:published, ObjectValidators.DateTime)
+    # TODO: Write type
+    field(:emoji, :map, default: %{})
+    field(:sensitive, :boolean, default: false)
+    embeds_many(:attachment, AttachmentValidator)
+    field(:replies_count, :integer, default: 0)
+    field(:like_count, :integer, default: 0)
+    field(:announcement_count, :integer, default: 0)
+    field(:inReplyTo, ObjectValidators.ObjectID)
+    field(:url, ObjectValidators.Uri)
+
+    field(:likes, {:array, ObjectValidators.ObjectID}, default: [])
+    field(:announcements, {:array, ObjectValidators.ObjectID}, default: [])
+  end
+
+  def cast_and_apply(data) do
+    data
+    |> cast_data
+    |> apply_action(:insert)
+  end
+
+  def cast_and_validate(data) do
+    data
+    |> cast_data()
+    |> validate_data()
+  end
+
+  def cast_data(data) do
+    %__MODULE__{}
+    |> changeset(data)
+  end
+
+  defp fix(data) do
+    data
+    |> CommonFixes.fix_defaults()
+    |> CommonFixes.fix_attribution()
+  end
+
+  def changeset(struct, data) do
+    data = fix(data)
+
+    struct
+    |> cast(data, __schema__(:fields) -- [:attachment])
+    |> cast_embed(:attachment)
+  end
+
+  def validate_data(data_cng) do
+    data_cng
+    |> validate_inclusion(:type, ["Event"])
+    |> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id])
+    |> CommonValidations.validate_any_presence([:cc, :to])
+    |> CommonValidations.validate_fields_match([:actor, :attributedTo])
+    |> CommonValidations.validate_actor_presence()
+    |> CommonValidations.validate_host_match()
+  end
+end
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 56b93dde8..20e735619 100644
--- a/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
@@ -13,18 +13,24 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do
 
   embedded_schema do
     field(:id, ObjectValidators.ObjectID, primary_key: true)
-    field(:to, {:array, :string}, default: [])
-    field(:cc, {:array, :string}, default: [])
-    field(:bto, {:array, :string}, default: [])
-    field(:bcc, {:array, :string}, default: [])
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:bto, ObjectValidators.Recipients, default: [])
+    field(:bcc, ObjectValidators.Recipients, default: [])
     # TODO: Write type
     field(:tag, {:array, :map}, default: [])
     field(:type, :string)
+
+    field(:name, :string)
+    field(:summary, :string)
     field(:content, :string)
+
     field(:context, :string)
+    # short identifier for PleromaFE to group statuses by context
+    field(:context_id, :integer)
+
     field(:actor, ObjectValidators.ObjectID)
     field(:attributedTo, ObjectValidators.ObjectID)
-    field(:summary, :string)
     field(:published, ObjectValidators.DateTime)
     # TODO: Write type
     field(:emoji, :map, default: %{})
@@ -34,14 +40,11 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do
     field(:replies_count, :integer, default: 0)
     field(:like_count, :integer, default: 0)
     field(:announcement_count, :integer, default: 0)
-    field(:inRepyTo, :string)
-    field(:uri, ObjectValidators.Uri)
+    field(:inReplyTo, ObjectValidators.ObjectID)
+    field(:url, ObjectValidators.Uri)
 
     field(:likes, {:array, :string}, default: [])
     field(:announcements, {:array, :string}, default: [])
-
-    # see if needed
-    field(:context_id, :string)
   end
 
   def cast_and_validate(data) do
diff --git a/lib/pleroma/web/activity_pub/object_validators/question_options_validator.ex b/lib/pleroma/web/activity_pub/object_validators/question_options_validator.ex
new file mode 100644
index 000000000..478b3b5cf
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/question_options_validator.ex
@@ -0,0 +1,37 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.QuestionOptionsValidator do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+
+  @primary_key false
+
+  embedded_schema do
+    field(:name, :string)
+
+    embeds_one :replies, Replies, primary_key: false do
+      field(:totalItems, :integer)
+      field(:type, :string)
+    end
+
+    field(:type, :string)
+  end
+
+  def changeset(struct, data) do
+    struct
+    |> cast(data, [:name, :type])
+    |> cast_embed(:replies, with: &replies_changeset/2)
+    |> validate_inclusion(:type, ["Note"])
+    |> validate_required([:name, :type])
+  end
+
+  def replies_changeset(struct, data) do
+    struct
+    |> cast(data, [:totalItems, :type])
+    |> validate_inclusion(:type, ["Collection"])
+    |> validate_required([:type])
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
new file mode 100644
index 000000000..712047424
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
@@ -0,0 +1,111 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator do
+  use Ecto.Schema
+
+  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
+  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+  alias Pleroma.Web.ActivityPub.ObjectValidators.QuestionOptionsValidator
+
+  import Ecto.Changeset
+
+  @primary_key false
+  @derive Jason.Encoder
+
+  # Extends from NoteValidator
+  embedded_schema do
+    field(:id, ObjectValidators.ObjectID, primary_key: true)
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
+    field(:bto, ObjectValidators.Recipients, default: [])
+    field(:bcc, ObjectValidators.Recipients, default: [])
+    # TODO: Write type
+    field(:tag, {:array, :map}, default: [])
+    field(:type, :string)
+    field(:content, :string)
+    field(:context, :string)
+
+    # TODO: Remove actor on objects
+    field(:actor, ObjectValidators.ObjectID)
+
+    field(:attributedTo, ObjectValidators.ObjectID)
+    field(:summary, :string)
+    field(:published, ObjectValidators.DateTime)
+    # TODO: Write type
+    field(:emoji, :map, default: %{})
+    field(:sensitive, :boolean, default: false)
+    embeds_many(:attachment, AttachmentValidator)
+    field(:replies_count, :integer, default: 0)
+    field(:like_count, :integer, default: 0)
+    field(:announcement_count, :integer, default: 0)
+    field(:inReplyTo, ObjectValidators.ObjectID)
+    field(:url, ObjectValidators.Uri)
+    # short identifier for PleromaFE to group statuses by context
+    field(:context_id, :integer)
+
+    field(:likes, {:array, :string}, default: [])
+    field(:announcements, {:array, :string}, default: [])
+
+    field(:closed, ObjectValidators.DateTime)
+    field(:voters, {:array, ObjectValidators.ObjectID}, default: [])
+    embeds_many(:anyOf, QuestionOptionsValidator)
+    embeds_many(:oneOf, QuestionOptionsValidator)
+  end
+
+  def cast_and_apply(data) do
+    data
+    |> cast_data
+    |> apply_action(:insert)
+  end
+
+  def cast_and_validate(data) do
+    data
+    |> cast_data()
+    |> validate_data()
+  end
+
+  def cast_data(data) do
+    %__MODULE__{}
+    |> changeset(data)
+  end
+
+  defp fix_closed(data) do
+    cond do
+      is_binary(data["closed"]) -> data
+      is_binary(data["endTime"]) -> Map.put(data, "closed", data["endTime"])
+      true -> Map.drop(data, ["closed"])
+    end
+  end
+
+  defp fix(data) do
+    data
+    |> CommonFixes.fix_defaults()
+    |> CommonFixes.fix_attribution()
+    |> fix_closed()
+  end
+
+  def changeset(struct, data) do
+    data = fix(data)
+
+    struct
+    |> cast(data, __schema__(:fields) -- [:anyOf, :oneOf, :attachment])
+    |> cast_embed(:attachment)
+    |> cast_embed(:anyOf)
+    |> cast_embed(:oneOf)
+  end
+
+  def validate_data(data_cng) do
+    data_cng
+    |> validate_inclusion(:type, ["Question"])
+    |> validate_required([:id, :actor, :attributedTo, :type, :context, :context_id])
+    |> CommonValidations.validate_any_presence([:cc, :to])
+    |> CommonValidations.validate_fields_match([:actor, :attributedTo])
+    |> CommonValidations.validate_actor_presence()
+    |> CommonValidations.validate_any_presence([:oneOf, :anyOf])
+    |> CommonValidations.validate_host_match()
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex b/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex
index e8d2d39c1..8cae94467 100644
--- a/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/undo_validator.ex
@@ -18,8 +18,8 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.UndoValidator do
     field(:type, :string)
     field(:object, ObjectValidators.ObjectID)
     field(:actor, ObjectValidators.ObjectID)
-    field(:to, {:array, :string}, default: [])
-    field(:cc, {:array, :string}, default: [])
+    field(:to, ObjectValidators.Recipients, default: [])
+    field(:cc, ObjectValidators.Recipients, default: [])
   end
 
   def cast_and_validate(data) do
diff --git a/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex b/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex
index f64fac46d..881030f38 100644
--- a/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/url_object_validator.ex
@@ -13,7 +13,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.UrlObjectValidator do
   embedded_schema do
     field(:type, :string)
     field(:href, ObjectValidators.Uri)
-    field(:mediaType, :string)
+    field(:mediaType, :string, default: "application/octet-stream")
   end
 
   def changeset(struct, data) do
diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex
index b09764d2b..b65710a94 100644
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@@ -10,19 +10,13 @@ defmodule Pleroma.Web.ActivityPub.Relay do
   alias Pleroma.Web.CommonAPI
   require Logger
 
-  @relay_nickname "relay"
+  @nickname "relay"
 
-  def get_actor do
-    actor =
-      relay_ap_id()
-      |> User.get_or_create_service_actor_by_ap_id(@relay_nickname)
+  @spec ap_id() :: String.t()
+  def ap_id, do: "#{Pleroma.Web.Endpoint.url()}/#{@nickname}"
 
-    actor
-  end
-
-  def relay_ap_id do
-    "#{Pleroma.Web.Endpoint.url()}/relay"
-  end
+  @spec get_actor() :: User.t() | nil
+  def get_actor, do: User.get_or_create_service_actor_by_ap_id(ap_id(), @nickname)
 
   @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
   def follow(target_instance) do
@@ -61,34 +55,38 @@ defmodule Pleroma.Web.ActivityPub.Relay do
 
   def publish(_), do: {:error, "Not implemented"}
 
-  @spec list(boolean()) :: {:ok, [String.t()]} | {:error, any()}
-  def list(with_not_accepted \\ false) do
+  @spec list() :: {:ok, [%{actor: String.t(), followed_back: boolean()}]} | {:error, any()}
+  def list do
     with %User{} = user <- get_actor() do
       accepted =
         user
-        |> User.following()
-        |> Enum.map(fn entry -> URI.parse(entry).host end)
-        |> Enum.uniq()
-
-      list =
-        if with_not_accepted do
-          without_accept =
-            user
-            |> Pleroma.Activity.following_requests_for_actor()
-            |> Enum.map(fn a -> URI.parse(a.data["object"]).host <> " (no Accept received)" end)
-            |> Enum.uniq()
+        |> following()
+        |> Enum.map(fn actor -> %{actor: actor, followed_back: true} end)
 
-          accepted ++ without_accept
-        else
-          accepted
-        end
+      without_accept =
+        user
+        |> Pleroma.Activity.following_requests_for_actor()
+        |> Enum.map(fn activity -> %{actor: activity.data["object"], followed_back: false} end)
+        |> Enum.uniq()
 
-      {:ok, list}
+      {:ok, accepted ++ without_accept}
     else
       error -> format_error(error)
     end
   end
 
+  @spec following() :: [String.t()]
+  def following do
+    get_actor()
+    |> following()
+  end
+
+  defp following(user) do
+    user
+    |> User.following_ap_ids()
+    |> Enum.uniq()
+  end
+
   defp format_error({:error, error}), do: format_error(error)
 
   defp format_error(error) do
diff --git a/lib/pleroma/web/activity_pub/side_effects.ex b/lib/pleroma/web/activity_pub/side_effects.ex
index 1d2c296a5..a5e2323bd 100644
--- a/lib/pleroma/web/activity_pub/side_effects.ex
+++ b/lib/pleroma/web/activity_pub/side_effects.ex
@@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   """
   alias Pleroma.Activity
   alias Pleroma.Activity.Ir.Topics
+  alias Pleroma.ActivityExpiration
   alias Pleroma.Chat
   alias Pleroma.Chat.MessageReference
   alias Pleroma.FollowingRelationship
@@ -15,13 +16,70 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Builder
   alias Pleroma.Web.ActivityPub.Pipeline
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.Push
   alias Pleroma.Web.Streamer
+  alias Pleroma.Workers.BackgroundWorker
+
+  require Logger
 
   def handle(object, meta \\ [])
 
+  # Task this handles
+  # - Follows
+  # - Sends a notification
+  def handle(
+        %{
+          data: %{
+            "actor" => actor,
+            "type" => "Accept",
+            "object" => follow_activity_id
+          }
+        } = object,
+        meta
+      ) do
+    with %Activity{actor: follower_id} = follow_activity <-
+           Activity.get_by_ap_id(follow_activity_id),
+         %User{} = followed <- User.get_cached_by_ap_id(actor),
+         %User{} = follower <- User.get_cached_by_ap_id(follower_id),
+         {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
+         {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do
+      Notification.update_notification_type(followed, follow_activity)
+      User.update_follower_count(followed)
+      User.update_following_count(follower)
+    end
+
+    {:ok, object, meta}
+  end
+
+  # Task this handles
+  # - Rejects all existing follow activities for this person
+  # - Updates the follow state
+  # - Dismisses notification
+  def handle(
+        %{
+          data: %{
+            "actor" => actor,
+            "type" => "Reject",
+            "object" => follow_activity_id
+          }
+        } = object,
+        meta
+      ) do
+    with %Activity{actor: follower_id} = follow_activity <-
+           Activity.get_by_ap_id(follow_activity_id),
+         %User{} = followed <- User.get_cached_by_ap_id(actor),
+         %User{} = follower <- User.get_cached_by_ap_id(follower_id),
+         {:ok, _follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject") do
+      FollowingRelationship.update(follower, followed, :follow_reject)
+      Notification.dismiss(follow_activity)
+    end
+
+    {:ok, object, meta}
+  end
+
   # Tasks this handle
   # - Follows if possible
   # - Sends a notification
@@ -42,33 +100,13 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
          {_, {:ok, _}, _, _} <-
            {:following, User.follow(follower, followed, :follow_pending), follower, followed} do
       if followed.local && !followed.locked do
-        Utils.update_follow_state_for_all(object, "accept")
-        FollowingRelationship.update(follower, followed, :follow_accept)
-        User.update_follower_count(followed)
-        User.update_following_count(follower)
-
-        %{
-          to: [following_user],
-          actor: followed,
-          object: follow_id,
-          local: true
-        }
-        |> ActivityPub.accept()
+        {:ok, accept_data, _} = Builder.accept(followed, object)
+        {:ok, _activity, _} = Pipeline.common_pipeline(accept_data, local: true)
       end
     else
-      {:following, {:error, _}, follower, followed} ->
-        Utils.update_follow_state_for_all(object, "reject")
-        FollowingRelationship.update(follower, followed, :follow_reject)
-
-        if followed.local do
-          %{
-            to: [follower.ap_id],
-            actor: followed,
-            object: follow_id,
-            local: true
-          }
-          |> ActivityPub.reject()
-        end
+      {:following, {:error, _}, _follower, followed} ->
+        {:ok, reject_data, _} = Builder.reject(followed, object)
+        {:ok, _activity, _} = Pipeline.common_pipeline(reject_data, local: true)
 
       _ ->
         nil
@@ -135,10 +173,26 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   # Tasks this handles
   # - Actually create object
   # - Rollback if we couldn't create it
+  # - Increase the user note count
+  # - Increase the reply count
+  # - Increase replies count
+  # - Set up ActivityExpiration
   # - Set up notifications
   def handle(%{data: %{"type" => "Create"}} = activity, meta) do
-    with {:ok, _object, meta} <- handle_object_creation(meta[:object_data], meta) do
+    with {:ok, object, meta} <- handle_object_creation(meta[:object_data], meta),
+         %User{} = user <- User.get_cached_by_ap_id(activity.data["actor"]) do
       {:ok, notifications} = Notification.create_notifications(activity, do_send: false)
+      {:ok, _user} = ActivityPub.increase_note_count_if_public(user, object)
+
+      if in_reply_to = object.data["inReplyTo"] do
+        Object.increase_replies_count(in_reply_to)
+      end
+
+      if expires_at = activity.data["expires_at"] do
+        ActivityExpiration.create(activity, expires_at)
+      end
+
+      BackgroundWorker.enqueue("fetch_data_for_activity", %{"activity_id" => activity.id})
 
       meta =
         meta
@@ -199,13 +253,15 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
   # - Stream out the activity
   def handle(%{data: %{"type" => "Delete", "object" => deleted_object}} = object, meta) do
     deleted_object =
-      Object.normalize(deleted_object, false) || User.get_cached_by_ap_id(deleted_object)
+      Object.normalize(deleted_object, false) ||
+        User.get_cached_by_ap_id(deleted_object)
 
     result =
       case deleted_object do
         %Object{} ->
           with {:ok, deleted_object, activity} <- Object.delete(deleted_object),
-               %User{} = user <- User.get_cached_by_ap_id(deleted_object.data["actor"]) do
+               {_, actor} when is_binary(actor) <- {:actor, deleted_object.data["actor"]},
+               %User{} = user <- User.get_cached_by_ap_id(actor) do
             User.remove_pinnned_activity(user, activity)
 
             {:ok, user} = ActivityPub.decrease_note_count_if_public(user, deleted_object)
@@ -219,6 +275,10 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
             ActivityPub.stream_out(object)
             ActivityPub.stream_out_participations(deleted_object, user)
             :ok
+          else
+            {:actor, _} ->
+              Logger.error("The object doesn't have an actor: #{inspect(deleted_object)}")
+              :no_object_actor
           end
 
         %User{} ->
@@ -268,9 +328,28 @@ defmodule Pleroma.Web.ActivityPub.SideEffects do
     end
   end
 
+  def handle_object_creation(%{"type" => "Answer"} = object_map, meta) do
+    with {:ok, object, meta} <- Pipeline.common_pipeline(object_map, meta) do
+      Object.increase_vote_count(
+        object.data["inReplyTo"],
+        object.data["name"],
+        object.data["actor"]
+      )
+
+      {:ok, object, meta}
+    end
+  end
+
+  def handle_object_creation(%{"type" => objtype} = object, meta)
+      when objtype in ~w[Audio Question Event] do
+    with {:ok, object, meta} <- Pipeline.common_pipeline(object, meta) do
+      {:ok, object, meta}
+    end
+  end
+
   # Nothing to do
-  def handle_object_creation(object) do
-    {:ok, object}
+  def handle_object_creation(object, meta) do
+    {:ok, object, meta}
   end
 
   defp undo_like(nil, object), do: delete_object(object)
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 35aa05eb5..76298c4a0 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -9,9 +9,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   alias Pleroma.Activity
   alias Pleroma.EarmarkRenderer
   alias Pleroma.EctoType.ActivityPub.ObjectValidators
-  alias Pleroma.FollowingRelationship
   alias Pleroma.Maps
-  alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Object.Containment
   alias Pleroma.Repo
@@ -157,7 +155,12 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   end
 
   def fix_actor(%{"attributedTo" => actor} = object) do
-    Map.put(object, "actor", Containment.get_actor(%{"actor" => actor}))
+    actor = Containment.get_actor(%{"actor" => actor})
+
+    # TODO: Remove actor field for Objects
+    object
+    |> Map.put("actor", actor)
+    |> Map.put("attributedTo", actor)
   end
 
   def fix_in_reply_to(object, options \\ [])
@@ -240,13 +243,17 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
         if href do
           attachment_url =
-            %{"href" => href}
+            %{
+              "href" => href,
+              "type" => Map.get(url || %{}, "type", "Link")
+            }
             |> Maps.put_if_present("mediaType", media_type)
-            |> Maps.put_if_present("type", Map.get(url || %{}, "type"))
 
-          %{"url" => [attachment_url]}
+          %{
+            "url" => [attachment_url],
+            "type" => data["type"] || "Document"
+          }
           |> Maps.put_if_present("mediaType", media_type)
-          |> Maps.put_if_present("type", data["type"])
           |> Maps.put_if_present("name", data["name"])
         else
           nil
@@ -269,13 +276,12 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     Map.put(object, "url", url["href"])
   end
 
-  def fix_url(%{"type" => object_type, "url" => url} = object)
-      when object_type in ["Video", "Audio"] and is_list(url) do
+  def fix_url(%{"type" => "Video", "url" => url} = object) when is_list(url) do
     attachment =
       Enum.find(url, fn x ->
         media_type = x["mediaType"] || x["mimeType"] || ""
 
-        is_map(x) and String.starts_with?(media_type, ["audio/", "video/"])
+        is_map(x) and String.starts_with?(media_type, "video/")
       end)
 
     link_element =
@@ -382,32 +388,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   defp fix_content(object), do: object
 
-  defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
-    with true <- id =~ "follows",
-         %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
-         %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
-      {:ok, activity}
-    else
-      _ -> {:error, nil}
-    end
-  end
-
-  defp mastodon_follow_hack(_, _), do: {:error, nil}
-
-  defp get_follow_activity(follow_object, followed) do
-    with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
-         {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
-      {:ok, activity}
-    else
-      # Can't find the activity. This might a Mastodon 2.3 "Accept"
-      {:activity, nil} ->
-        mastodon_follow_hack(follow_object, followed)
-
-      _ ->
-        {:error, nil}
-    end
-  end
-
   # Reduce the object list to find the reported user.
   defp get_reported(objects) do
     Enum.reduce_while(objects, nil, fn ap_id, _ ->
@@ -419,6 +399,29 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     end)
   end
 
+  # Compatibility wrapper for Mastodon votes
+  defp handle_create(%{"object" => %{"type" => "Answer"}} = data, _user) do
+    handle_incoming(data)
+  end
+
+  defp handle_create(%{"object" => object} = data, user) do
+    %{
+      to: data["to"],
+      object: object,
+      actor: user,
+      context: object["context"],
+      local: false,
+      published: data["published"],
+      additional:
+        Map.take(data, [
+          "cc",
+          "directMessage",
+          "id"
+        ])
+    }
+    |> ActivityPub.create()
+  end
+
   def handle_incoming(data, options \\ [])
 
   # Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
@@ -457,30 +460,18 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         %{"type" => "Create", "object" => %{"type" => objtype} = object} = data,
         options
       )
-      when objtype in ["Article", "Event", "Note", "Video", "Page", "Question", "Answer", "Audio"] do
+      when objtype in ~w{Article Note Video Page} do
     actor = Containment.get_actor(data)
 
     with nil <- Activity.get_create_by_object_ap_id(object["id"]),
-         {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(actor),
-         data <- Map.put(data, "actor", actor) |> fix_addressing() do
-      object = fix_object(object, options)
-
-      params = %{
-        to: data["to"],
-        object: object,
-        actor: user,
-        context: object["context"],
-        local: false,
-        published: data["published"],
-        additional:
-          Map.take(data, [
-            "cc",
-            "directMessage",
-            "id"
-          ])
-      }
+         {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(actor) do
+      data =
+        data
+        |> Map.put("object", fix_object(object, options))
+        |> Map.put("actor", actor)
+        |> fix_addressing()
 
-      with {:ok, created_activity} <- ActivityPub.create(params) do
+      with {:ok, created_activity} <- handle_create(data, user) do
         reply_depth = (options[:depth] || 0) + 1
 
         if Federator.allowed_thread_distance?(reply_depth) do
@@ -531,60 +522,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     end
   end
 
-  def handle_incoming(
-        %{"type" => "Accept", "object" => follow_object, "actor" => _actor, "id" => id} = data,
-        _options
-      ) do
-    with actor <- Containment.get_actor(data),
-         {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
-         {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
-         %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
-         {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept) do
-      User.update_follower_count(followed)
-      User.update_following_count(follower)
-
-      Notification.update_notification_type(followed, follow_activity)
-
-      ActivityPub.accept(%{
-        to: follow_activity.data["to"],
-        type: "Accept",
-        actor: followed,
-        object: follow_activity.data["id"],
-        local: false,
-        activity_id: id
-      })
-    else
-      _e ->
-        :error
-    end
-  end
-
-  def handle_incoming(
-        %{"type" => "Reject", "object" => follow_object, "actor" => _actor, "id" => id} = data,
-        _options
-      ) do
-    with actor <- Containment.get_actor(data),
-         {:ok, %User{} = followed} <- User.get_or_fetch_by_ap_id(actor),
-         {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
-         %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
-         {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject),
-         {:ok, activity} <-
-           ActivityPub.reject(%{
-             to: follow_activity.data["to"],
-             type: "Reject",
-             actor: followed,
-             object: follow_activity.data["id"],
-             local: false,
-             activity_id: id
-           }) do
-      {:ok, activity}
-    else
-      _e -> :error
-    end
-  end
-
   @misskey_reactions %{
     "like" => "👍",
     "love" => "❤️",
@@ -614,9 +551,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   end
 
   def handle_incoming(
-        %{"type" => "Create", "object" => %{"type" => "ChatMessage"}} = data,
+        %{"type" => "Create", "object" => %{"type" => objtype}} = data,
         _options
-      ) do
+      )
+      when objtype in ~w{Question Answer ChatMessage Audio Event} do
     with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
          {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
       {:ok, activity}
@@ -638,9 +576,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         %{"type" => type} = data,
         _options
       )
-      when type in ~w{Update Block Follow} do
+      when type in ~w{Update Block Follow Accept Reject} do
     with {:ok, %User{}} <- ObjectValidator.fetch_actor(data),
-         {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
+         {:ok, activity, _} <-
+           Pipeline.common_pipeline(data, local: false) do
       {:ok, activity}
     end
   end
@@ -649,7 +588,8 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
         %{"type" => "Delete"} = data,
         _options
       ) do
-    with {:ok, activity, _} <- Pipeline.common_pipeline(data, local: false) do
+    with {:ok, activity, _} <-
+           Pipeline.common_pipeline(data, local: false) do
       {:ok, activity}
     else
       {:error, {:validate_object, _}} = e ->
diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex
index 343f41caa..5c349bb7a 100644
--- a/lib/pleroma/web/activity_pub/visibility.ex
+++ b/lib/pleroma/web/activity_pub/visibility.ex
@@ -59,12 +59,9 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
   end
 
   def visible_for_user?(%{local: local} = activity, nil) do
-    cfg_key =
-      if local,
-        do: :local,
-        else: :remote
+    cfg_key = if local, do: :local, else: :remote
 
-    if Pleroma.Config.get([:restrict_unauthenticated, :activities, cfg_key]),
+    if Pleroma.Config.restrict_unauthenticated_access?(:activities, cfg_key),
       do: false,
       else: is_public?(activity)
   end
diff --git a/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex b/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex
index e2759d59f..131e22d78 100644
--- a/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/media_proxy_cache_controller.ex
@@ -26,29 +26,40 @@ defmodule Pleroma.Web.AdminAPI.MediaProxyCacheController do
   defdelegate open_api_operation(action), to: Spec.MediaProxyCacheOperation
 
   def index(%{assigns: %{user: _}} = conn, params) do
-    cursor =
-      :banned_urls_cache
-      |> :ets.table([{:traverse, {:select, Cachex.Query.create(true, :key)}}])
-      |> :qlc.cursor()
+    entries = fetch_entries(params)
+    urls = paginate_entries(entries, params.page, params.page_size)
+
+    render(conn, "index.json",
+      urls: urls,
+      page_size: params.page_size,
+      count: length(entries)
+    )
+  end
+
+  defp fetch_entries(params) do
+    MediaProxy.cache_table()
+    |> Cachex.stream!(Cachex.Query.create(true, :key))
+    |> filter_entries(params[:query])
+  end
 
-    urls =
-      case params.page do
-        1 ->
-          :qlc.next_answers(cursor, params.page_size)
+  defp filter_entries(stream, query) when is_binary(query) do
+    regex = ~r/#{query}/i
 
-        _ ->
-          :qlc.next_answers(cursor, (params.page - 1) * params.page_size)
-          :qlc.next_answers(cursor, params.page_size)
-      end
+    stream
+    |> Enum.filter(fn url -> String.match?(url, regex) end)
+    |> Enum.to_list()
+  end
 
-    :qlc.delete_cursor(cursor)
+  defp filter_entries(stream, _), do: Enum.to_list(stream)
 
-    render(conn, "index.json", urls: urls)
+  defp paginate_entries(entries, page, page_size) do
+    offset = page_size * (page - 1)
+    Enum.slice(entries, offset, page_size)
   end
 
   def delete(%{assigns: %{user: _}, body_params: %{urls: urls}} = conn, _) do
     MediaProxy.remove_from_banned_urls(urls)
-    render(conn, "index.json", urls: urls)
+    json(conn, %{})
   end
 
   def purge(%{assigns: %{user: _}, body_params: %{urls: urls, ban: ban}} = conn, _) do
@@ -58,6 +69,6 @@ defmodule Pleroma.Web.AdminAPI.MediaProxyCacheController do
       MediaProxy.put_in_banned_urls(urls)
     end
 
-    render(conn, "index.json", urls: urls)
+    json(conn, %{})
   end
 end
diff --git a/lib/pleroma/web/admin_api/controllers/relay_controller.ex b/lib/pleroma/web/admin_api/controllers/relay_controller.ex
index cf9f3a14b..95d06dde7 100644
--- a/lib/pleroma/web/admin_api/controllers/relay_controller.ex
+++ b/lib/pleroma/web/admin_api/controllers/relay_controller.ex
@@ -39,7 +39,7 @@ defmodule Pleroma.Web.AdminAPI.RelayController do
         target: target
       })
 
-      json(conn, target)
+      json(conn, %{actor: target, followed_back: target in Relay.following()})
     else
       _ ->
         conn
diff --git a/lib/pleroma/web/admin_api/views/account_view.ex b/lib/pleroma/web/admin_api/views/account_view.ex
index 333e72e42..9c477feab 100644
--- a/lib/pleroma/web/admin_api/views/account_view.ex
+++ b/lib/pleroma/web/admin_api/views/account_view.ex
@@ -79,7 +79,8 @@ defmodule Pleroma.Web.AdminAPI.AccountView do
       "confirmation_pending" => user.confirmation_pending,
       "approval_pending" => user.approval_pending,
       "url" => user.uri || user.ap_id,
-      "registration_reason" => user.registration_reason
+      "registration_reason" => user.registration_reason,
+      "actor_type" => user.actor_type
     }
   end
 
diff --git a/lib/pleroma/web/admin_api/views/media_proxy_cache_view.ex b/lib/pleroma/web/admin_api/views/media_proxy_cache_view.ex
index c97400beb..a803bda0b 100644
--- a/lib/pleroma/web/admin_api/views/media_proxy_cache_view.ex
+++ b/lib/pleroma/web/admin_api/views/media_proxy_cache_view.ex
@@ -5,7 +5,11 @@
 defmodule Pleroma.Web.AdminAPI.MediaProxyCacheView do
   use Pleroma.Web, :view
 
-  def render("index.json", %{urls: urls}) do
-    %{urls: urls}
+  def render("index.json", %{urls: urls, page_size: page_size, count: count}) do
+    %{
+      urls: urls,
+      count: count,
+      page_size: page_size
+    }
   end
 end
diff --git a/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex b/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex
index 20d033f66..ab45d6633 100644
--- a/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/media_proxy_cache_operation.ex
@@ -22,6 +22,12 @@ defmodule Pleroma.Web.ApiSpec.Admin.MediaProxyCacheOperation do
       security: [%{"oAuth" => ["read:media_proxy_caches"]}],
       parameters: [
         Operation.parameter(
+          :query,
+          :query,
+          %Schema{type: :string, default: nil},
+          "Page"
+        ),
+        Operation.parameter(
           :page,
           :query,
           %Schema{type: :integer, default: 1},
@@ -36,7 +42,26 @@ defmodule Pleroma.Web.ApiSpec.Admin.MediaProxyCacheOperation do
         | admin_api_params()
       ],
       responses: %{
-        200 => success_response()
+        200 =>
+          Operation.response(
+            "Array of banned MediaProxy URLs in Cachex",
+            "application/json",
+            %Schema{
+              type: :object,
+              properties: %{
+                count: %Schema{type: :integer},
+                page_size: %Schema{type: :integer},
+                urls: %Schema{
+                  type: :array,
+                  items: %Schema{
+                    type: :string,
+                    format: :uri,
+                    description: "MediaProxy URLs"
+                  }
+                }
+              }
+            }
+          )
       }
     }
   end
@@ -61,7 +86,7 @@ defmodule Pleroma.Web.ApiSpec.Admin.MediaProxyCacheOperation do
           required: true
         ),
       responses: %{
-        200 => success_response(),
+        200 => empty_object_response(),
         400 => Operation.response("Error", "application/json", ApiError)
       }
     }
@@ -88,25 +113,9 @@ defmodule Pleroma.Web.ApiSpec.Admin.MediaProxyCacheOperation do
           required: true
         ),
       responses: %{
-        200 => success_response(),
+        200 => empty_object_response(),
         400 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
-
-  defp success_response do
-    Operation.response("Array of banned MediaProxy URLs in Cachex", "application/json", %Schema{
-      type: :object,
-      properties: %{
-        urls: %Schema{
-          type: :array,
-          items: %Schema{
-            type: :string,
-            format: :uri,
-            description: "MediaProxy URLs"
-          }
-        }
-      }
-    })
-  end
 end
diff --git a/lib/pleroma/web/api_spec/operations/admin/relay_operation.ex b/lib/pleroma/web/api_spec/operations/admin/relay_operation.ex
index 67ee5eee0..e06b2d164 100644
--- a/lib/pleroma/web/api_spec/operations/admin/relay_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/admin/relay_operation.ex
@@ -27,8 +27,7 @@ defmodule Pleroma.Web.ApiSpec.Admin.RelayOperation do
             properties: %{
               relays: %Schema{
                 type: :array,
-                items: %Schema{type: :string},
-                example: ["lain.com", "mstdn.io"]
+                items: relay()
               }
             }
           })
@@ -43,19 +42,9 @@ defmodule Pleroma.Web.ApiSpec.Admin.RelayOperation do
       operationId: "AdminAPI.RelayController.follow",
       security: [%{"oAuth" => ["write:follows"]}],
       parameters: admin_api_params(),
-      requestBody:
-        request_body("Parameters", %Schema{
-          type: :object,
-          properties: %{
-            relay_url: %Schema{type: :string, format: :uri}
-          }
-        }),
+      requestBody: request_body("Parameters", relay_url()),
       responses: %{
-        200 =>
-          Operation.response("Status", "application/json", %Schema{
-            type: :string,
-            example: "http://mastodon.example.org/users/admin"
-          })
+        200 => Operation.response("Status", "application/json", relay())
       }
     }
   end
@@ -67,13 +56,7 @@ defmodule Pleroma.Web.ApiSpec.Admin.RelayOperation do
       operationId: "AdminAPI.RelayController.unfollow",
       security: [%{"oAuth" => ["write:follows"]}],
       parameters: admin_api_params(),
-      requestBody:
-        request_body("Parameters", %Schema{
-          type: :object,
-          properties: %{
-            relay_url: %Schema{type: :string, format: :uri}
-          }
-        }),
+      requestBody: request_body("Parameters", relay_url()),
       responses: %{
         200 =>
           Operation.response("Status", "application/json", %Schema{
@@ -83,4 +66,29 @@ defmodule Pleroma.Web.ApiSpec.Admin.RelayOperation do
       }
     }
   end
+
+  defp relay do
+    %Schema{
+      type: :object,
+      properties: %{
+        actor: %Schema{
+          type: :string,
+          example: "https://example.com/relay"
+        },
+        followed_back: %Schema{
+          type: :boolean,
+          description: "Is relay followed back by this actor?"
+        }
+      }
+    }
+  end
+
+  defp relay_url do
+    %Schema{
+      type: :object,
+      properties: %{
+        relay_url: %Schema{type: :string, format: :uri}
+      }
+    }
+  end
 end
diff --git a/lib/pleroma/web/auth/ldap_authenticator.ex b/lib/pleroma/web/auth/ldap_authenticator.ex
index f63a66c03..402ab428b 100644
--- a/lib/pleroma/web/auth/ldap_authenticator.ex
+++ b/lib/pleroma/web/auth/ldap_authenticator.ex
@@ -28,10 +28,6 @@ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
          %User{} = user <- ldap_user(name, password) do
       {:ok, user}
     else
-      {:error, {:ldap_connection_error, _}} ->
-        # When LDAP is unavailable, try default authenticator
-        @base.get_user(conn)
-
       {:ldap, _} ->
         @base.get_user(conn)
 
@@ -92,7 +88,7 @@ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
             user
 
           _ ->
-            register_user(connection, base, uid, name, password)
+            register_user(connection, base, uid, name)
         end
 
       error ->
@@ -100,34 +96,31 @@ defmodule Pleroma.Web.Auth.LDAPAuthenticator do
     end
   end
 
-  defp register_user(connection, base, uid, name, password) do
+  defp register_user(connection, base, uid, name) do
     case :eldap.search(connection, [
            {:base, to_charlist(base)},
            {:filter, :eldap.equalityMatch(to_charlist(uid), to_charlist(name))},
            {:scope, :eldap.wholeSubtree()},
-           {:attributes, ['mail', 'email']},
            {:timeout, @search_timeout}
          ]) do
       {:ok, {:eldap_search_result, [{:eldap_entry, _, attributes}], _}} ->
-        with {_, [mail]} <- List.keyfind(attributes, 'mail', 0) do
-          params = %{
-            email: :erlang.list_to_binary(mail),
-            name: name,
-            nickname: name,
-            password: password,
-            password_confirmation: password
-          }
-
-          changeset = User.register_changeset(%User{}, params)
-
-          case User.register(changeset) do
-            {:ok, user} -> user
-            error -> error
+        params = %{
+          name: name,
+          nickname: name,
+          password: nil
+        }
+
+        params =
+          case List.keyfind(attributes, 'mail', 0) do
+            {_, [mail]} -> Map.put_new(params, :email, :erlang.list_to_binary(mail))
+            _ -> params
           end
-        else
-          _ ->
-            Logger.error("Could not find LDAP attribute mail: #{inspect(attributes)}")
-            {:error, :ldap_registration_missing_attributes}
+
+        changeset = User.register_changeset_ldap(%User{}, params)
+
+        case User.register(changeset) do
+          {:ok, user} -> user
+          error -> error
         end
 
       error ->
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 4d5b0decf..a8141b28f 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -6,9 +6,7 @@ defmodule Pleroma.Web.CommonAPI do
   alias Pleroma.Activity
   alias Pleroma.ActivityExpiration
   alias Pleroma.Conversation.Participation
-  alias Pleroma.FollowingRelationship
   alias Pleroma.Formatter
-  alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.ThreadMute
   alias Pleroma.User
@@ -122,33 +120,16 @@ defmodule Pleroma.Web.CommonAPI do
 
   def accept_follow_request(follower, followed) do
     with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follower} <- User.follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "accept"),
-         {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_accept),
-         {:ok, _activity} <-
-           ActivityPub.accept(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Accept"
-           }) do
-      Notification.update_notification_type(followed, follow_activity)
+         {:ok, accept_data, _} <- Builder.accept(followed, follow_activity),
+         {:ok, _activity, _} <- Pipeline.common_pipeline(accept_data, local: true) do
       {:ok, follower}
     end
   end
 
   def reject_follow_request(follower, followed) do
     with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state_for_all(follow_activity, "reject"),
-         {:ok, _relationship} <- FollowingRelationship.update(follower, followed, :follow_reject),
-         {:ok, _notifications} <- Notification.dismiss(follow_activity),
-         {:ok, _activity} <-
-           ActivityPub.reject(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Reject"
-           }) do
+         {:ok, reject_data, _} <- Builder.reject(followed, follow_activity),
+         {:ok, _activity, _} <- Pipeline.common_pipeline(reject_data, local: true) do
       {:ok, follower}
     end
   end
@@ -308,18 +289,19 @@ defmodule Pleroma.Web.CommonAPI do
          {:ok, options, choices} <- normalize_and_validate_choices(choices, object) do
       answer_activities =
         Enum.map(choices, fn index ->
-          answer_data = make_answer_data(user, object, Enum.at(options, index)["name"])
-
-          {:ok, activity} =
-            ActivityPub.create(%{
-              to: answer_data["to"],
-              actor: user,
-              context: object.data["context"],
-              object: answer_data,
-              additional: %{"cc" => answer_data["cc"]}
-            })
-
-          activity
+          {:ok, answer_object, _meta} =
+            Builder.answer(user, object, Enum.at(options, index)["name"])
+
+          {:ok, activity_data, _meta} = Builder.create(user, answer_object, [])
+
+          {:ok, activity, _meta} =
+            activity_data
+            |> Map.put("cc", answer_object["cc"])
+            |> Map.put("context", answer_object["context"])
+            |> Pipeline.common_pipeline(local: true)
+
+          # TODO: Do preload of Pleroma.Object in Pipeline
+          Activity.normalize(activity.data)
         end)
 
       object = Object.get_cached_by_ap_id(object.data["id"])
@@ -340,8 +322,13 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
-  defp get_options_and_max_count(%{data: %{"anyOf" => any_of}}), do: {any_of, Enum.count(any_of)}
-  defp get_options_and_max_count(%{data: %{"oneOf" => one_of}}), do: {one_of, 1}
+  defp get_options_and_max_count(%{data: %{"anyOf" => any_of}})
+       when is_list(any_of) and any_of != [],
+       do: {any_of, Enum.count(any_of)}
+
+  defp get_options_and_max_count(%{data: %{"oneOf" => one_of}})
+       when is_list(one_of) and one_of != [],
+       do: {one_of, 1}
 
   defp normalize_and_validate_choices(choices, object) do
     choices = Enum.map(choices, fn i -> if is_binary(i), do: String.to_integer(i), else: i end)
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 9c38b73eb..9d7b24eb2 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -548,17 +548,6 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     end
   end
 
-  def make_answer_data(%User{ap_id: ap_id}, object, name) do
-    %{
-      "type" => "Answer",
-      "actor" => ap_id,
-      "cc" => [object.data["actor"]],
-      "to" => [],
-      "name" => name,
-      "inReplyTo" => object.data["id"]
-    }
-  end
-
   def validate_character_limit("" = _full_payload, [] = _attachments) do
     {:error, dgettext("errors", "Cannot post an empty status without attachments")}
   end
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index 69946fb81..6445966e0 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -18,6 +18,12 @@ defmodule Pleroma.Web.ControllerHelper do
 
   def truthy_param?(value), do: not falsy_param?(value)
 
+  def json_response(conn, status, _) when status in [204, :no_content] do
+    conn
+    |> put_resp_header("content-type", "application/json")
+    |> send_resp(status, "")
+  end
+
   def json_response(conn, status, json) do
     conn
     |> put_status(status)
diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
index f45678184..95d8452df 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -226,7 +226,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
     with changeset <- User.update_changeset(user, user_params),
          {:ok, unpersisted_user} <- Ecto.Changeset.apply_action(changeset, :update),
          updated_object <-
-           Pleroma.Web.ActivityPub.UserView.render("user.json", user: user)
+           Pleroma.Web.ActivityPub.UserView.render("user.json", user: unpersisted_user)
            |> Map.delete("@context"),
          {:ok, update_data, []} <- Builder.update(user, updated_object),
          {:ok, _update, _} <-
diff --git a/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex b/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
index ab7b1d6aa..9244316ed 100644
--- a/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
@@ -8,6 +8,7 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
   import Pleroma.Web.ControllerHelper,
     only: [add_link_headers: 2, add_link_headers: 3]
 
+  alias Pleroma.Config
   alias Pleroma.Pagination
   alias Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug
   alias Pleroma.Plugs.OAuthScopesPlug
@@ -89,11 +90,11 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
   end
 
   defp restrict_unauthenticated?(true = _local_only) do
-    Pleroma.Config.get([:restrict_unauthenticated, :timelines, :local])
+    Config.restrict_unauthenticated_access?(:timelines, :local)
   end
 
   defp restrict_unauthenticated?(_) do
-    Pleroma.Config.get([:restrict_unauthenticated, :timelines, :federated])
+    Config.restrict_unauthenticated_access?(:timelines, :federated)
   end
 
   # GET /api/v1/timelines/public
diff --git a/lib/pleroma/web/mastodon_api/views/poll_view.ex b/lib/pleroma/web/mastodon_api/views/poll_view.ex
index 59a5deb28..1208dc9a0 100644
--- a/lib/pleroma/web/mastodon_api/views/poll_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/poll_view.ex
@@ -28,10 +28,10 @@ defmodule Pleroma.Web.MastodonAPI.PollView do
 
   def render("show.json", %{object: object} = params) do
     case object.data do
-      %{"anyOf" => options} when is_list(options) ->
+      %{"anyOf" => [_ | _] = options} ->
         render(__MODULE__, "show.json", Map.merge(params, %{multiple: true, options: options}))
 
-      %{"oneOf" => options} when is_list(options) ->
+      %{"oneOf" => [_ | _] = options} ->
         render(__MODULE__, "show.json", Map.merge(params, %{multiple: false, options: options}))
 
       _ ->
@@ -40,15 +40,13 @@ defmodule Pleroma.Web.MastodonAPI.PollView do
   end
 
   defp end_time_and_expired(object) do
-    case object.data["closed"] || object.data["endTime"] do
-      end_time when is_binary(end_time) ->
-        end_time = NaiveDateTime.from_iso8601!(end_time)
-        expired = NaiveDateTime.compare(end_time, NaiveDateTime.utc_now()) == :lt
+    if object.data["closed"] do
+      end_time = NaiveDateTime.from_iso8601!(object.data["closed"])
+      expired = NaiveDateTime.compare(end_time, NaiveDateTime.utc_now()) == :lt
 
-        {Utils.to_masto_date(end_time), expired}
-
-      _ ->
-        {nil, false}
+      {Utils.to_masto_date(end_time), expired}
+    else
+      {nil, false}
     end
   end
 
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index 91b41ef59..01b8bb6bb 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -473,23 +473,10 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end
   end
 
-  def render_content(%{data: %{"type" => object_type}} = object)
-      when object_type in ["Video", "Event", "Audio"] do
-    with name when not is_nil(name) and name != "" <- object.data["name"] do
-      "<p><a href=\"#{object.data["id"]}\">#{name}</a></p>#{object.data["content"]}"
-    else
-      _ -> object.data["content"] || ""
-    end
-  end
+  def render_content(%{data: %{"name" => name}} = object) when not is_nil(name) and name != "" do
+    url = object.data["url"] || object.data["id"]
 
-  def render_content(%{data: %{"type" => object_type}} = object)
-      when object_type in ["Article", "Page"] do
-    with summary when not is_nil(summary) and summary != "" <- object.data["name"],
-         url when is_bitstring(url) <- object.data["url"] do
-      "<p><a href=\"#{url}\">#{summary}</a></p>#{object.data["content"]}"
-    else
-      _ -> object.data["content"] || ""
-    end
+    "<p><a href=\"#{url}\">#{name}</a></p>#{object.data["content"]}"
   end
 
   def render_content(object), do: object.data["content"] || ""
diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex
index dfbfcea6b..e18dd8224 100644
--- a/lib/pleroma/web/media_proxy/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy.ex
@@ -9,28 +9,31 @@ defmodule Pleroma.Web.MediaProxy do
   alias Pleroma.Web.MediaProxy.Invalidation
 
   @base64_opts [padding: false]
+  @cache_table :banned_urls_cache
+
+  def cache_table, do: @cache_table
 
   @spec in_banned_urls(String.t()) :: boolean()
-  def in_banned_urls(url), do: elem(Cachex.exists?(:banned_urls_cache, url(url)), 1)
+  def in_banned_urls(url), do: elem(Cachex.exists?(@cache_table, url(url)), 1)
 
   def remove_from_banned_urls(urls) when is_list(urls) do
-    Cachex.execute!(:banned_urls_cache, fn cache ->
+    Cachex.execute!(@cache_table, fn cache ->
       Enum.each(Invalidation.prepare_urls(urls), &Cachex.del(cache, &1))
     end)
   end
 
   def remove_from_banned_urls(url) when is_binary(url) do
-    Cachex.del(:banned_urls_cache, url(url))
+    Cachex.del(@cache_table, url(url))
   end
 
   def put_in_banned_urls(urls) when is_list(urls) do
-    Cachex.execute!(:banned_urls_cache, fn cache ->
+    Cachex.execute!(@cache_table, fn cache ->
       Enum.each(Invalidation.prepare_urls(urls), &Cachex.put(cache, &1, true))
     end)
   end
 
   def put_in_banned_urls(url) when is_binary(url) do
-    Cachex.put(:banned_urls_cache, url(url), true)
+    Cachex.put(@cache_table, url(url), true)
   end
 
   def url(url) when is_nil(url) or url == "", do: nil
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index f29b3cb57..dd00600ea 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -76,6 +76,13 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     available_scopes = (app && app.scopes) || []
     scopes = Scopes.fetch_scopes(params, available_scopes)
 
+    scopes =
+      if scopes == [] do
+        available_scopes
+      else
+        scopes
+      end
+
     # Note: `params` might differ from `conn.params`; use `@params` not `@conn.params` in template
     render(conn, Authenticator.auth_template(), %{
       response_type: params["response_type"],
diff --git a/lib/pleroma/web/preload/timelines.ex b/lib/pleroma/web/preload/timelines.ex
index 57de04051..b279a865d 100644
--- a/lib/pleroma/web/preload/timelines.ex
+++ b/lib/pleroma/web/preload/timelines.ex
@@ -16,7 +16,7 @@ defmodule Pleroma.Web.Preload.Providers.Timelines do
   end
 
   def build_public_tag(acc, params) do
-    if Pleroma.Config.get([:restrict_unauthenticated, :timelines, :federated], true) do
+    if Pleroma.Config.restrict_unauthenticated_access?(:timelines, :federated) do
       acc
     else
       Map.put(acc, @public_url, public_timeline(params))
diff --git a/lib/pleroma/workers/cron/clear_oauth_token_worker.ex b/lib/pleroma/workers/cron/clear_oauth_token_worker.ex
index d41be4e87..276f47efc 100644
--- a/lib/pleroma/workers/cron/clear_oauth_token_worker.ex
+++ b/lib/pleroma/workers/cron/clear_oauth_token_worker.ex
@@ -16,8 +16,8 @@ defmodule Pleroma.Workers.Cron.ClearOauthTokenWorker do
   def perform(_job) do
     if Config.get([:oauth2, :clean_expired_tokens], false) do
       Token.delete_expired_tokens()
-    else
-      :ok
     end
+
+    :ok
   end
 end
diff --git a/lib/pleroma/workers/cron/digest_emails_worker.ex b/lib/pleroma/workers/cron/digest_emails_worker.ex
index ee646229f..0c56f00fb 100644
--- a/lib/pleroma/workers/cron/digest_emails_worker.ex
+++ b/lib/pleroma/workers/cron/digest_emails_worker.ex
@@ -37,9 +37,9 @@ defmodule Pleroma.Workers.Cron.DigestEmailsWorker do
       )
       |> Repo.all()
       |> send_emails
-    else
-      :ok
     end
+
+    :ok
   end
 
   def send_emails(users) do
diff --git a/lib/pleroma/workers/cron/new_users_digest_worker.ex b/lib/pleroma/workers/cron/new_users_digest_worker.ex
index abc8a5e95..8bbaed83d 100644
--- a/lib/pleroma/workers/cron/new_users_digest_worker.ex
+++ b/lib/pleroma/workers/cron/new_users_digest_worker.ex
@@ -55,11 +55,9 @@ defmodule Pleroma.Workers.Cron.NewUsersDigestWorker do
         |> Repo.all()
         |> Enum.map(&Pleroma.Emails.NewUsersDigestEmail.new_users(&1, users_and_statuses))
         |> Enum.each(&Pleroma.Emails.Mailer.deliver/1)
-      else
-        :ok
       end
-    else
-      :ok
     end
+
+    :ok
   end
 end
diff --git a/lib/pleroma/workers/cron/purge_expired_activities_worker.ex b/lib/pleroma/workers/cron/purge_expired_activities_worker.ex
index e926c5dc8..6549207fc 100644
--- a/lib/pleroma/workers/cron/purge_expired_activities_worker.ex
+++ b/lib/pleroma/workers/cron/purge_expired_activities_worker.ex
@@ -23,9 +23,9 @@ defmodule Pleroma.Workers.Cron.PurgeExpiredActivitiesWorker do
   def perform(_job) do
     if Config.get([ActivityExpiration, :enabled]) do
       Enum.each(ActivityExpiration.due_expirations(@interval), &delete_activity/1)
-    else
-      :ok
     end
+  after
+    :ok
   end
 
   def delete_activity(%ActivityExpiration{activity_id: activity_id}) do
@@ -41,7 +41,7 @@ defmodule Pleroma.Workers.Cron.PurgeExpiredActivitiesWorker do
 
       {:user, _} ->
         Logger.error(
-          "#{__MODULE__} Couldn't delete expired activity: not found actorof ##{activity_id}"
+          "#{__MODULE__} Couldn't delete expired activity: not found actor of ##{activity_id}"
         )
     end
   end
diff --git a/lib/pleroma/workers/cron/stats_worker.ex b/lib/pleroma/workers/cron/stats_worker.ex
index e54bd9a7f..6a79540bc 100644
--- a/lib/pleroma/workers/cron/stats_worker.ex
+++ b/lib/pleroma/workers/cron/stats_worker.ex
@@ -12,5 +12,6 @@ defmodule Pleroma.Workers.Cron.StatsWorker do
   @impl Oban.Worker
   def perform(_job) do
     Pleroma.Stats.do_collect()
+    :ok
   end
 end