Resolve merge conflicts

53 files changed, 951 insertions, 323 deletions

diff --git a/lib/mix/tasks/pleroma/config.ex b/lib/mix/tasks/pleroma/config.ex
index a71bcd447..a7d0fac5d 100644
--- a/lib/mix/tasks/pleroma/config.ex
+++ b/lib/mix/tasks/pleroma/config.ex
@@ -28,6 +28,14 @@ defmodule Mix.Tasks.Pleroma.Config do
       |> Enum.reject(fn {k, _v} -> k in [Pleroma.Repo, :env] end)
       |> Enum.each(fn {k, v} ->
         key = to_string(k) |> String.replace("Elixir.", "")
+
+        key =
+          if String.starts_with?(key, "Pleroma.") do
+            key
+          else
+            ":" <> key
+          end
+
         {:ok, _} = Config.update_or_create(%{group: "pleroma", key: key, value: v})
         Mix.shell().info("#{key} is migrated.")
       end)
@@ -53,17 +61,9 @@ defmodule Mix.Tasks.Pleroma.Config do
 
       Repo.all(Config)
       |> Enum.each(fn config ->
-        mark =
-          if String.starts_with?(config.key, "Pleroma.") or
-               String.starts_with?(config.key, "Ueberauth"),
-             do: ",",
-             else: ":"
-
         IO.write(
           file,
-          "config :#{config.group}, #{config.key}#{mark} #{
-            inspect(Config.from_binary(config.value))
-          }\r\n"
+          "config :#{config.group}, #{config.key}, #{inspect(Config.from_binary(config.value))}\r\n\r\n"
         )
 
         if delete? do
diff --git a/lib/mix/tasks/pleroma/user.ex b/lib/mix/tasks/pleroma/user.ex
index 8a78b4fe6..c9b84b8f9 100644
--- a/lib/mix/tasks/pleroma/user.ex
+++ b/lib/mix/tasks/pleroma/user.ex
@@ -62,6 +62,10 @@ defmodule Mix.Tasks.Pleroma.User do
 
       mix pleroma.user unsubscribe NICKNAME
 
+  ## Unsubscribe local users from an entire instance and deactivate all accounts
+
+      mix pleroma.user unsubscribe_all_from_instance INSTANCE
+
   ## Create a password reset link.
 
       mix pleroma.user reset_password NICKNAME
@@ -246,6 +250,20 @@ defmodule Mix.Tasks.Pleroma.User do
     end
   end
 
+  def run(["unsubscribe_all_from_instance", instance]) do
+    start_pleroma()
+
+    Pleroma.User.Query.build(%{nickname: "@#{instance}"})
+    |> Pleroma.RepoStreamer.chunk_stream(500)
+    |> Stream.each(fn users ->
+      users
+      |> Enum.each(fn user ->
+        run(["unsubscribe", user.nickname])
+      end)
+    end)
+    |> Stream.run()
+  end
+
   def run(["set", nickname | rest]) do
     start_pleroma()
 
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index ba4cf8486..035331491 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -140,6 +140,11 @@ defmodule Pleroma.Application do
             id: :federator_init,
             start: {Task, :start_link, [&Pleroma.Web.Federator.init/0]},
             restart: :temporary
+          },
+          %{
+            id: :internal_fetch_init,
+            start: {Task, :start_link, [&Pleroma.Web.ActivityPub.InternalFetchActor.init/0]},
+            restart: :temporary
           }
         ] ++
         streamer_child() ++
diff --git a/lib/pleroma/config/transfer_task.ex b/lib/pleroma/config/transfer_task.ex
index 3c13a0558..7799b2a78 100644
--- a/lib/pleroma/config/transfer_task.ex
+++ b/lib/pleroma/config/transfer_task.ex
@@ -35,7 +35,7 @@ defmodule Pleroma.Config.TransferTask do
         if String.starts_with?(setting.key, "Pleroma.") do
           "Elixir." <> setting.key
         else
-          setting.key
+          String.trim_leading(setting.key, ":")
         end
 
       group = String.to_existing_atom(setting.group)
diff --git a/lib/pleroma/http/connection.ex b/lib/pleroma/http/connection.ex
index c216cdcb1..a1460d303 100644
--- a/lib/pleroma/http/connection.ex
+++ b/lib/pleroma/http/connection.ex
@@ -29,7 +29,7 @@ defmodule Pleroma.HTTP.Connection do
 
   # fetch Hackney options
   #
-  defp hackney_options(opts) do
+  def hackney_options(opts) do
     options = Keyword.get(opts, :adapter, [])
     adapter_options = Pleroma.Config.get([:http, :adapter], [])
     proxy_url = Pleroma.Config.get([:http, :proxy_url], nil)
diff --git a/lib/pleroma/http/http.ex b/lib/pleroma/http/http.ex
index c96ee7353..dec24458a 100644
--- a/lib/pleroma/http/http.ex
+++ b/lib/pleroma/http/http.ex
@@ -65,10 +65,7 @@ defmodule Pleroma.HTTP do
   end
 
   def process_request_options(options) do
-    case Pleroma.Config.get([:http, :proxy_url]) do
-      nil -> options
-      proxy -> options ++ [proxy: proxy]
-    end
+    Keyword.merge(Pleroma.HTTP.Connection.hackney_options([]), options)
   end
 
   @doc """
diff --git a/lib/pleroma/keys.ex b/lib/pleroma/keys.ex
index b7bc7a4da..6dd31d3bd 100644
--- a/lib/pleroma/keys.ex
+++ b/lib/pleroma/keys.ex
@@ -35,10 +35,12 @@ defmodule Pleroma.Keys do
   end
 
   def keys_from_pem(pem) do
-    [private_key_code] = :public_key.pem_decode(pem)
-    private_key = :public_key.pem_entry_decode(private_key_code)
-    {:RSAPrivateKey, _, modulus, exponent, _, _, _, _, _, _, _} = private_key
-    public_key = {:RSAPublicKey, modulus, exponent}
-    {:ok, private_key, public_key}
+    with [private_key_code] <- :public_key.pem_decode(pem),
+         private_key <- :public_key.pem_entry_decode(private_key_code),
+         {:RSAPrivateKey, _, modulus, exponent, _, _, _, _, _, _, _} <- private_key do
+      {:ok, private_key, {:RSAPublicKey, modulus, exponent}}
+    else
+      error -> {:error, error}
+    end
   end
 end
diff --git a/lib/pleroma/list.ex b/lib/pleroma/list.ex
index a5b1cad68..1d320206e 100644
--- a/lib/pleroma/list.ex
+++ b/lib/pleroma/list.ex
@@ -16,6 +16,7 @@ defmodule Pleroma.List do
     belongs_to(:user, User, type: Pleroma.FlakeId)
     field(:title, :string)
     field(:following, {:array, :string}, default: [])
+    field(:ap_id, :string)
 
     timestamps()
   end
@@ -55,6 +56,10 @@ defmodule Pleroma.List do
     Repo.one(query)
   end
 
+  def get_by_ap_id(ap_id) do
+    Repo.get_by(__MODULE__, ap_id: ap_id)
+  end
+
   def get_following(%Pleroma.List{following: following} = _list) do
     q =
       from(
@@ -105,7 +110,14 @@ defmodule Pleroma.List do
 
   def create(title, %User{} = creator) do
     list = %Pleroma.List{user_id: creator.id, title: title}
-    Repo.insert(list)
+
+    Repo.transaction(fn ->
+      list = Repo.insert!(list)
+
+      list
+      |> change(ap_id: "#{creator.ap_id}/lists/#{list.id}")
+      |> Repo.update!()
+    end)
   end
 
   def follow(%Pleroma.List{following: following} = list, %User{} = followed) do
@@ -125,4 +137,19 @@ defmodule Pleroma.List do
     |> follow_changeset(attrs)
     |> Repo.update()
   end
+
+  def memberships(%User{follower_address: follower_address}) do
+    Pleroma.List
+    |> where([l], ^follower_address in l.following)
+    |> select([l], l.ap_id)
+    |> Repo.all()
+  end
+
+  def memberships(_), do: []
+
+  def member?(%Pleroma.List{following: following}, %User{follower_address: follower_address}) do
+    Enum.member?(following, follower_address)
+  end
+
+  def member?(_, _), do: false
 end
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index a414afbbf..d47229258 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -11,7 +11,6 @@ defmodule Pleroma.Notification do
   alias Pleroma.Pagination
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils
   alias Pleroma.Web.Push
   alias Pleroma.Web.Streamer
@@ -32,31 +31,47 @@ defmodule Pleroma.Notification do
     |> cast(attrs, [:seen])
   end
 
-  def for_user_query(user) do
-    Notification
-    |> where(user_id: ^user.id)
-    |> where(
-      [n, a],
-      fragment(
-        "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
-        a.actor
-      )
-    )
-    |> join(:inner, [n], activity in assoc(n, :activity))
-    |> join(:left, [n, a], object in Object,
-      on:
+  def for_user_query(user, opts) do
+    query =
+      Notification
+      |> where(user_id: ^user.id)
+      |> where(
+        [n, a],
         fragment(
-          "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
-          object.data,
-          a.data
+          "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
+          a.actor
         )
-    )
-    |> preload([n, a, o], activity: {a, object: o})
+      )
+      |> join(:inner, [n], activity in assoc(n, :activity))
+      |> join(:left, [n, a], object in Object,
+        on:
+          fragment(
+            "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
+            object.data,
+            a.data
+          )
+      )
+      |> preload([n, a, o], activity: {a, object: o})
+
+    if opts[:with_muted] do
+      query
+    else
+      where(query, [n, a], a.actor not in ^user.info.muted_notifications)
+      |> where([n, a], a.actor not in ^user.info.blocks)
+      |> where(
+        [n, a],
+        fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.info.domain_blocks
+      )
+      |> join(:left, [n, a], tm in Pleroma.ThreadMute,
+        on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data)
+      )
+      |> where([n, a, o, tm], is_nil(tm.user_id))
+    end
   end
 
   def for_user(user, opts \\ %{}) do
     user
-    |> for_user_query()
+    |> for_user_query(opts)
     |> Pagination.fetch_paginated(opts)
   end
 
@@ -179,11 +194,10 @@ defmodule Pleroma.Notification do
 
   def get_notified_from_activity(_, _local_only), do: []
 
+  @spec skip?(Activity.t(), User.t()) :: boolean()
   def skip?(activity, user) do
     [
       :self,
-      :blocked,
-      :muted,
       :followers,
       :follows,
       :non_followers,
@@ -193,21 +207,11 @@ defmodule Pleroma.Notification do
     |> Enum.any?(&skip?(&1, activity, user))
   end
 
+  @spec skip?(atom(), Activity.t(), User.t()) :: boolean()
   def skip?(:self, activity, user) do
     activity.data["actor"] == user.ap_id
   end
 
-  def skip?(:blocked, activity, user) do
-    actor = activity.data["actor"]
-    User.blocks?(user, %{ap_id: actor})
-  end
-
-  def skip?(:muted, activity, user) do
-    actor = activity.data["actor"]
-
-    User.mutes?(user, %{ap_id: actor}) or CommonAPI.thread_muted?(user, activity)
-  end
-
   def skip?(
         :followers,
         activity,
diff --git a/lib/pleroma/object/containment.ex b/lib/pleroma/object/containment.ex
index ada9da0bb..f077a9f32 100644
--- a/lib/pleroma/object/containment.ex
+++ b/lib/pleroma/object/containment.ex
@@ -48,6 +48,9 @@ defmodule Pleroma.Object.Containment do
     end
   end
 
+  def contain_origin(id, %{"attributedTo" => actor} = params),
+    do: contain_origin(id, Map.put(params, "actor", actor))
+
   def contain_origin_from_id(_id, %{"id" => nil}), do: :error
 
   def contain_origin_from_id(id, %{"id" => other_id} = _params) do
@@ -60,4 +63,9 @@ defmodule Pleroma.Object.Containment do
       :error
     end
   end
+
+  def contain_child(%{"object" => %{"id" => id, "attributedTo" => _} = object}),
+    do: contain_origin(id, object)
+
+  def contain_child(_), do: :ok
 end
diff --git a/lib/pleroma/object/fetcher.ex b/lib/pleroma/object/fetcher.ex
index 1e60d0082..8d79ddb1f 100644
--- a/lib/pleroma/object/fetcher.ex
+++ b/lib/pleroma/object/fetcher.ex
@@ -6,6 +6,8 @@ defmodule Pleroma.Object.Fetcher do
   alias Pleroma.HTTP
   alias Pleroma.Object
   alias Pleroma.Object.Containment
+  alias Pleroma.Signature
+  alias Pleroma.Web.ActivityPub.InternalFetchActor
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.OStatus
 
@@ -32,33 +34,39 @@ defmodule Pleroma.Object.Fetcher do
     else
       Logger.info("Fetching #{id} via AP")
 
-      with {:ok, data} <- fetch_and_contain_remote_object_from_id(id),
-           nil <- Object.normalize(data, false),
+      with {:fetch, {:ok, data}} <- {:fetch, fetch_and_contain_remote_object_from_id(id)},
+           {:normalize, nil} <- {:normalize, Object.normalize(data, false)},
            params <- %{
              "type" => "Create",
              "to" => data["to"],
              "cc" => data["cc"],
+             # Should we seriously keep this attributedTo thing?
              "actor" => data["actor"] || data["attributedTo"],
              "object" => data
            },
-           :ok <- Containment.contain_origin(id, params),
+           {:containment, :ok} <- {:containment, Containment.contain_origin(id, params)},
            {:ok, activity} <- Transmogrifier.handle_incoming(params, options),
            {:object, _data, %Object{} = object} <-
              {:object, data, Object.normalize(activity, false)} do
         {:ok, object}
       else
+        {:containment, _} ->
+          {:error, "Object containment failed."}
+
         {:error, {:reject, nil}} ->
           {:reject, nil}
 
         {:object, data, nil} ->
           reinject_object(data)
 
-        object = %Object{} ->
+        {:normalize, object = %Object{}} ->
           {:ok, object}
 
         _e ->
+          # Only fallback when receiving a fetch/normalization error with ActivityPub
           Logger.info("Couldn't get object via AP, trying out OStatus fetching...")
 
+          # FIXME: OStatus Object Containment?
           case OStatus.fetch_activity_from_url(id) do
             {:ok, [activity | _]} -> {:ok, Object.normalize(activity, false)}
             e -> e
@@ -76,15 +84,52 @@ defmodule Pleroma.Object.Fetcher do
     end
   end
 
+  defp make_signature(id, date) do
+    uri = URI.parse(id)
+
+    signature =
+      InternalFetchActor.get_actor()
+      |> Signature.sign(%{
+        "(request-target)": "get #{uri.path}",
+        host: uri.host,
+        date: date
+      })
+
+    [{:Signature, signature}]
+  end
+
+  defp sign_fetch(headers, id, date) do
+    if Pleroma.Config.get([:activitypub, :sign_object_fetches]) do
+      headers ++ make_signature(id, date)
+    else
+      headers
+    end
+  end
+
+  defp maybe_date_fetch(headers, date) do
+    if Pleroma.Config.get([:activitypub, :sign_object_fetches]) do
+      headers ++ [{:Date, date}]
+    else
+      headers
+    end
+  end
+
   def fetch_and_contain_remote_object_from_id(id) when is_binary(id) do
     Logger.info("Fetching object #{id} via AP")
 
+    date =
+      NaiveDateTime.utc_now()
+      |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
+
+    headers =
+      [{:Accept, "application/activity+json"}]
+      |> maybe_date_fetch(date)
+      |> sign_fetch(id, date)
+
+    Logger.debug("Fetch headers: #{inspect(headers)}")
+
     with true <- String.starts_with?(id, "http"),
-         {:ok, %{body: body, status: code}} when code in 200..299 <-
-           HTTP.get(
-             id,
-             [{:Accept, "application/activity+json"}]
-           ),
+         {:ok, %{body: body, status: code}} when code in 200..299 <- HTTP.get(id, headers),
          {:ok, data} <- Jason.decode(body),
          :ok <- Containment.contain_origin_from_id(id, data) do
       {:ok, data}
@@ -97,8 +142,8 @@ defmodule Pleroma.Object.Fetcher do
     end
   end
 
-  def fetch_and_contain_remote_object_from_id(%{"id" => id), do: fetch_and_contain_remote_object_from_id(id)
+  def fetch_and_contain_remote_object_from_id(%{"id" => id}),
+    do: fetch_and_contain_remote_object_from_id(id)
+
   def fetch_and_contain_remote_object_from_id(_id), do: {:error, "id must be a string"}
-    {:error, "id must be a string"}
-  end
 end
diff --git a/lib/pleroma/plugs/authentication_plug.ex b/lib/pleroma/plugs/authentication_plug.ex
index da4ed4226..567674a0b 100644
--- a/lib/pleroma/plugs/authentication_plug.ex
+++ b/lib/pleroma/plugs/authentication_plug.ex
@@ -6,9 +6,21 @@ defmodule Pleroma.Plugs.AuthenticationPlug do
   alias Comeonin.Pbkdf2
   import Plug.Conn
   alias Pleroma.User
+  require Logger
 
-  def init(options) do
-    options
+  def init(options), do: options
+
+  def checkpw(password, "$6" <> _ = password_hash) do
+    :crypt.crypt(password, password_hash) == password_hash
+  end
+
+  def checkpw(password, "$pbkdf2" <> _ = password_hash) do
+    Pbkdf2.checkpw(password, password_hash)
+  end
+
+  def checkpw(_password, _password_hash) do
+    Logger.error("Password hash not recognized")
+    false
   end
 
   def call(%{assigns: %{user: %User{}}} = conn, _), do: conn
diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index e2874c469..d87fa52fa 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
-  alias Pleroma.Web.ActivityPub.Utils
   import Plug.Conn
   require Logger
 
@@ -16,38 +15,30 @@ defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
   end
 
   def call(conn, _opts) do
-    user = Utils.get_ap_id(conn.params["actor"])
-    Logger.debug("Checking sig for #{user}")
     [signature | _] = get_req_header(conn, "signature")
 
-    cond do
-      signature && String.contains?(signature, user) ->
-        # set (request-target) header to the appropriate value
-        # we also replace the digest header with the one we computed
-        conn =
-          conn
-          |> put_req_header(
-            "(request-target)",
-            String.downcase("#{conn.method}") <> " #{conn.request_path}"
-          )
-
-        conn =
-          if conn.assigns[:digest] do
-            conn
-            |> put_req_header("digest", conn.assigns[:digest])
-          else
-            conn
-          end
-
-        assign(conn, :valid_signature, HTTPSignatures.validate_conn(conn))
+    if signature do
+      # set (request-target) header to the appropriate value
+      # we also replace the digest header with the one we computed
+      conn =
+        conn
+        |> put_req_header(
+          "(request-target)",
+          String.downcase("#{conn.method}") <> " #{conn.request_path}"
+        )
 
-      signature ->
-        Logger.debug("Signature not from actor")
-        assign(conn, :valid_signature, false)
+      conn =
+        if conn.assigns[:digest] do
+          conn
+          |> put_req_header("digest", conn.assigns[:digest])
+        else
+          conn
+        end
 
-      true ->
-        Logger.debug("No signature header!")
-        conn
+      assign(conn, :valid_signature, HTTPSignatures.validate_conn(conn))
+    else
+      Logger.debug("No signature header!")
+      conn
     end
   end
 end
diff --git a/lib/pleroma/plugs/mapped_signature_to_identity_plug.ex b/lib/pleroma/plugs/mapped_signature_to_identity_plug.ex
new file mode 100644
index 000000000..ce8494b9d
--- /dev/null
+++ b/lib/pleroma/plugs/mapped_signature_to_identity_plug.ex
@@ -0,0 +1,70 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Plugs.MappedSignatureToIdentityPlug do
+  alias Pleroma.Signature
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.Utils
+
+  import Plug.Conn
+  require Logger
+
+  def init(options), do: options
+
+  defp key_id_from_conn(conn) do
+    with %{"keyId" => key_id} <- HTTPSignatures.signature_for_conn(conn) do
+      Signature.key_id_to_actor_id(key_id)
+    else
+      _ ->
+        nil
+    end
+  end
+
+  defp user_from_key_id(conn) do
+    with key_actor_id when is_binary(key_actor_id) <- key_id_from_conn(conn),
+         {:ok, %User{} = user} <- User.get_or_fetch_by_ap_id(key_actor_id) do
+      user
+    else
+      _ ->
+        nil
+    end
+  end
+
+  def call(%{assigns: %{user: _}} = conn, _opts), do: conn
+
+  # if this has payload make sure it is signed by the same actor that made it
+  def call(%{assigns: %{valid_signature: true}, params: %{"actor" => actor}} = conn, _opts) do
+    with actor_id <- Utils.get_ap_id(actor),
+         {:user, %User{} = user} <- {:user, user_from_key_id(conn)},
+         {:user_match, true} <- {:user_match, user.ap_id == actor_id} do
+      assign(conn, :user, user)
+    else
+      {:user_match, false} ->
+        Logger.debug("Failed to map identity from signature (payload actor mismatch)")
+        Logger.debug("key_id=#{key_id_from_conn(conn)}, actor=#{actor}")
+        assign(conn, :valid_signature, false)
+
+      # remove me once testsuite uses mapped capabilities instead of what we do now
+      {:user, nil} ->
+        Logger.debug("Failed to map identity from signature (lookup failure)")
+        Logger.debug("key_id=#{key_id_from_conn(conn)}, actor=#{actor}")
+        conn
+    end
+  end
+
+  # no payload, probably a signed fetch
+  def call(%{assigns: %{valid_signature: true}} = conn, _opts) do
+    with %User{} = user <- user_from_key_id(conn) do
+      assign(conn, :user, user)
+    else
+      _ ->
+        Logger.debug("Failed to map identity from signature (no payload actor mismatch)")
+        Logger.debug("key_id=#{key_id_from_conn(conn)}")
+        assign(conn, :valid_signature, false)
+    end
+  end
+
+  # no signature at all
+  def call(conn, _opts), do: conn
+end
diff --git a/lib/pleroma/plugs/rate_limiter.ex b/lib/pleroma/plugs/rate_limiter.ex
index c5e0957e8..31388f574 100644
--- a/lib/pleroma/plugs/rate_limiter.ex
+++ b/lib/pleroma/plugs/rate_limiter.ex
@@ -31,12 +31,28 @@ defmodule Pleroma.Plugs.RateLimiter do
 
   ## Usage
 
+  AllowedSyntax:
+
+      plug(Pleroma.Plugs.RateLimiter, :limiter_name)
+      plug(Pleroma.Plugs.RateLimiter, {:limiter_name, options})
+
+  Allowed options:
+
+      * `bucket_name` overrides bucket name (e.g. to have a separate limit for a set of actions)
+      * `params` appends values of specified request params (e.g. ["id"]) to bucket name
+
   Inside a controller:
 
       plug(Pleroma.Plugs.RateLimiter, :one when action == :one)
       plug(Pleroma.Plugs.RateLimiter, :two when action in [:two, :three])
 
-  or inside a router pipiline:
+      plug(
+        Pleroma.Plugs.RateLimiter,
+        {:status_id_action, bucket_name: "status_id_action:fav_unfav", params: ["id"]}
+        when action in ~w(fav_status unfav_status)a
+      )
+
+  or inside a router pipeline:
 
       pipeline :api do
         ...
@@ -49,33 +65,56 @@ defmodule Pleroma.Plugs.RateLimiter do
 
   alias Pleroma.User
 
-  def init(limiter_name) do
+  def init(limiter_name) when is_atom(limiter_name) do
+    init({limiter_name, []})
+  end
+
+  def init({limiter_name, opts}) do
     case Pleroma.Config.get([:rate_limit, limiter_name]) do
       nil -> nil
-      config -> {limiter_name, config}
+      config -> {limiter_name, config, opts}
     end
   end
 
-  # do not limit if there is no limiter configuration
+  # Do not limit if there is no limiter configuration
   def call(conn, nil), do: conn
 
-  def call(conn, opts) do
-    case check_rate(conn, opts) do
-      {:ok, _count} -> conn
-      {:error, _count} -> render_throttled_error(conn)
+  def call(conn, settings) do
+    case check_rate(conn, settings) do
+      {:ok, _count} ->
+        conn
+
+      {:error, _count} ->
+        render_throttled_error(conn)
+    end
+  end
+
+  defp bucket_name(conn, limiter_name, opts) do
+    bucket_name = opts[:bucket_name] || limiter_name
+
+    if params_names = opts[:params] do
+      params_values = for p <- Enum.sort(params_names), do: conn.params[p]
+      Enum.join([bucket_name] ++ params_values, ":")
+    else
+      bucket_name
     end
   end
 
-  defp check_rate(%{assigns: %{user: %User{id: user_id}}}, {limiter_name, [_, {scale, limit}]}) do
-    ExRated.check_rate("#{limiter_name}:#{user_id}", scale, limit)
+  defp check_rate(
+         %{assigns: %{user: %User{id: user_id}}} = conn,
+         {limiter_name, [_, {scale, limit}], opts}
+       ) do
+    bucket_name = bucket_name(conn, limiter_name, opts)
+    ExRated.check_rate("#{bucket_name}:#{user_id}", scale, limit)
   end
 
-  defp check_rate(conn, {limiter_name, [{scale, limit} | _]}) do
-    ExRated.check_rate("#{limiter_name}:#{ip(conn)}", scale, limit)
+  defp check_rate(conn, {limiter_name, [{scale, limit} | _], opts}) do
+    bucket_name = bucket_name(conn, limiter_name, opts)
+    ExRated.check_rate("#{bucket_name}:#{ip(conn)}", scale, limit)
   end
 
-  defp check_rate(conn, {limiter_name, {scale, limit}}) do
-    check_rate(conn, {limiter_name, [{scale, limit}]})
+  defp check_rate(conn, {limiter_name, {scale, limit}, opts}) do
+    check_rate(conn, {limiter_name, [{scale, limit}, {scale, limit}], opts})
   end
 
   def ip(%{remote_ip: remote_ip}) do
diff --git a/lib/pleroma/reverse_proxy/reverse_proxy.ex b/lib/pleroma/reverse_proxy/reverse_proxy.ex
index bf31e9cba..1f98f215c 100644
--- a/lib/pleroma/reverse_proxy/reverse_proxy.ex
+++ b/lib/pleroma/reverse_proxy/reverse_proxy.ex
@@ -61,7 +61,7 @@ defmodule Pleroma.ReverseProxy do
   * `http`: options for [hackney](https://github.com/benoitc/hackney).
 
   """
-  @default_hackney_options []
+  @default_hackney_options [pool: :media]
 
   @inline_content_types [
     "image/gif",
@@ -94,7 +94,8 @@ defmodule Pleroma.ReverseProxy do
 
   def call(conn = %{method: method}, url, opts) when method in @methods do
     hackney_opts =
-      @default_hackney_options
+      Pleroma.HTTP.Connection.hackney_options([])
+      |> Keyword.merge(@default_hackney_options)
       |> Keyword.merge(Keyword.get(opts, :http, []))
       |> HTTP.process_request_options()
 
diff --git a/lib/pleroma/signature.ex b/lib/pleroma/signature.ex
index 1a4d54c62..2a0823ecf 100644
--- a/lib/pleroma/signature.ex
+++ b/lib/pleroma/signature.ex
@@ -8,10 +8,16 @@ defmodule Pleroma.Signature do
   alias Pleroma.Keys
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Utils
+
+  def key_id_to_actor_id(key_id) do
+    URI.parse(key_id)
+    |> Map.put(:fragment, nil)
+    |> URI.to_string()
+  end
 
   def fetch_public_key(conn) do
-    with actor_id <- Utils.get_ap_id(conn.params["actor"]),
+    with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
+         actor_id <- key_id_to_actor_id(kid),
          {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
       {:ok, public_key}
     else
@@ -21,7 +27,8 @@ defmodule Pleroma.Signature do
   end
 
   def refetch_public_key(conn) do
-    with actor_id <- Utils.get_ap_id(conn.params["actor"]),
+    with %{"keyId" => kid} <- HTTPSignatures.signature_for_conn(conn),
+         actor_id <- key_id_to_actor_id(kid),
          {:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id),
          {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
       {:ok, public_key}
diff --git a/lib/pleroma/upload/filter/dedupe.ex b/lib/pleroma/upload/filter/dedupe.ex
index e4c225833..14928c355 100644
--- a/lib/pleroma/upload/filter/dedupe.ex
+++ b/lib/pleroma/upload/filter/dedupe.ex
@@ -6,10 +6,19 @@ defmodule Pleroma.Upload.Filter.Dedupe do
   @behaviour Pleroma.Upload.Filter
   alias Pleroma.Upload
 
-  def filter(%Upload{name: name} = upload) do
-    extension = String.split(name, ".") |> List.last()
-    shasum = :crypto.hash(:sha256, File.read!(upload.tempfile)) |> Base.encode16(case: :lower)
+  def filter(%Upload{name: name, tempfile: tempfile} = upload) do
+    extension =
+      name
+      |> String.split(".")
+      |> List.last()
+
+    shasum =
+      :crypto.hash(:sha256, File.read!(tempfile))
+      |> Base.encode16(case: :lower)
+
     filename = shasum <> "." <> extension
     {:ok, %Upload{upload | id: shasum, path: filename}}
   end
+
+  def filter(_), do: :ok
 end
diff --git a/lib/pleroma/upload/filter/mogrifun.ex b/lib/pleroma/upload/filter/mogrifun.ex
index 35a5a1381..fee49fb51 100644
--- a/lib/pleroma/upload/filter/mogrifun.ex
+++ b/lib/pleroma/upload/filter/mogrifun.ex
@@ -4,6 +4,7 @@
 
 defmodule Pleroma.Upload.Filter.Mogrifun do
   @behaviour Pleroma.Upload.Filter
+  alias Pleroma.Upload.Filter
 
   @filters [
     {"implode", "1"},
@@ -34,31 +35,10 @@ defmodule Pleroma.Upload.Filter.Mogrifun do
   ]
 
   def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
-    filter = Enum.random(@filters)
-
-    file
-    |> Mogrify.open()
-    |> mogrify_filter(filter)
-    |> Mogrify.save(in_place: true)
+    Filter.Mogrify.do_filter(file, [Enum.random(@filters)])
 
     :ok
   end
 
   def filter(_), do: :ok
-
-  defp mogrify_filter(mogrify, [filter | rest]) do
-    mogrify
-    |> mogrify_filter(filter)
-    |> mogrify_filter(rest)
-  end
-
-  defp mogrify_filter(mogrify, []), do: mogrify
-
-  defp mogrify_filter(mogrify, {action, options}) do
-    Mogrify.custom(mogrify, action, options)
-  end
-
-  defp mogrify_filter(mogrify, string) when is_binary(string) do
-    Mogrify.custom(mogrify, string)
-  end
 end
diff --git a/lib/pleroma/upload/filter/mogrify.ex b/lib/pleroma/upload/filter/mogrify.ex
index f459eeecb..91bfdd4f5 100644
--- a/lib/pleroma/upload/filter/mogrify.ex
+++ b/lib/pleroma/upload/filter/mogrify.ex
@@ -11,16 +11,19 @@ defmodule Pleroma.Upload.Filter.Mogrify do
   def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
     filters = Pleroma.Config.get!([__MODULE__, :args])
 
+    do_filter(file, filters)
+    :ok
+  end
+
+  def filter(_), do: :ok
+
+  def do_filter(file, filters) do
     file
     |> Mogrify.open()
     |> mogrify_filter(filters)
     |> Mogrify.save(in_place: true)
-
-    :ok
   end
 
-  def filter(_), do: :ok
-
   defp mogrify_filter(mogrify, nil), do: mogrify
 
   defp mogrify_filter(mogrify, [filter | rest]) do
diff --git a/lib/pleroma/uploaders/uploader.ex b/lib/pleroma/uploaders/uploader.ex
index 0af76bc59..c0b22c28a 100644
--- a/lib/pleroma/uploaders/uploader.ex
+++ b/lib/pleroma/uploaders/uploader.ex
@@ -68,7 +68,14 @@ defmodule Pleroma.Uploaders.Uploader do
             {:error, error}
         end
     after
-      30_000 -> {:error, dgettext("errors", "Uploader callback timeout")}
+      callback_timeout() -> {:error, dgettext("errors", "Uploader callback timeout")}
+    end
+  end
+
+  defp callback_timeout do
+    case Mix.env() do
+      :test -> 1_000
+      _ -> 30_000
     end
   end
 end
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 956ec6240..f5f7c6c04 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -707,9 +707,7 @@ defmodule Pleroma.User do
       user
     else
       e ->
-        Logger.error(
-          "Follower/Following counter update for #{user.ap_id} failed.\n#{inspect(e)}"
-        )
+        Logger.error("Follower/Following counter update for #{user.ap_id} failed.\n#{inspect(e)}")
 
         user
     end
@@ -798,10 +796,13 @@ defmodule Pleroma.User do
     |> Repo.all()
   end
 
-  def mute(muter, %User{ap_id: ap_id}) do
+  @spec mute(User.t(), User.t(), boolean()) :: {:ok, User.t()} | {:error, String.t()}
+  def mute(muter, %User{ap_id: ap_id}, notifications? \\ true) do
+    info = muter.info
+
     info_cng =
-      muter.info
-      |> User.Info.add_to_mutes(ap_id)
+      User.Info.add_to_mutes(info, ap_id)
+      |> User.Info.add_to_muted_notifications(info, ap_id, notifications?)
 
     cng =
       change(muter)
@@ -811,9 +812,11 @@ defmodule Pleroma.User do
   end
 
   def unmute(muter, %{ap_id: ap_id}) do
+    info = muter.info
+
     info_cng =
-      muter.info
-      |> User.Info.remove_from_mutes(ap_id)
+      User.Info.remove_from_mutes(info, ap_id)
+      |> User.Info.remove_from_muted_notifications(info, ap_id)
 
     cng =
       change(muter)
@@ -909,6 +912,12 @@ defmodule Pleroma.User do
   def mutes?(nil, _), do: false
   def mutes?(user, %{ap_id: ap_id}), do: Enum.member?(user.info.mutes, ap_id)
 
+  @spec muted_notifications?(User.t() | nil, User.t() | map()) :: boolean()
+  def muted_notifications?(nil, _), do: false
+
+  def muted_notifications?(user, %{ap_id: ap_id}),
+    do: Enum.member?(user.info.muted_notifications, ap_id)
+
   def blocks?(%User{info: info} = _user, %{ap_id: ap_id}) do
     blocks = info.blocks
     domain_blocks = info.domain_blocks
@@ -1195,19 +1204,18 @@ defmodule Pleroma.User do
     end
   end
 
-  def get_or_create_instance_user do
-    relay_uri = "#{Pleroma.Web.Endpoint.url()}/relay"
-
-    if user = get_cached_by_ap_id(relay_uri) do
+  @doc "Creates an internal service actor by URI if missing.  Optionally takes nickname for addressing."
+  def get_or_create_service_actor_by_ap_id(uri, nickname \\ nil) do
+    if user = get_cached_by_ap_id(uri) do
       user
     else
       changes =
         %User{info: %User.Info{}}
         |> cast(%{}, [:ap_id, :nickname, :local])
-        |> put_change(:ap_id, relay_uri)
-        |> put_change(:nickname, nil)
+        |> put_change(:ap_id, uri)
+        |> put_change(:nickname, nickname)
         |> put_change(:local, true)
-        |> put_change(:follower_address, relay_uri <> "/followers")
+        |> put_change(:follower_address, uri <> "/followers")
 
       {:ok, user} = Repo.insert(changes)
       user
@@ -1228,10 +1236,12 @@ defmodule Pleroma.User do
   end
 
   # OStatus Magic Key
-  def public_key_from_info(%{magic_key: magic_key}) do
+  def public_key_from_info(%{magic_key: magic_key}) when not is_nil(magic_key) do
     {:ok, Pleroma.Web.Salmon.decode_key(magic_key)}
   end
 
+  def public_key_from_info(_), do: {:error, "not found key"}
+
   def get_public_key_for_ap_id(ap_id) do
     with {:ok, %User{} = user} <- get_or_fetch_by_ap_id(ap_id),
          {:ok, public_key} <- public_key_from_info(user.info) do
@@ -1248,7 +1258,7 @@ defmodule Pleroma.User do
     data
     |> Map.put(:name, blank?(data[:name]) || data[:nickname])
     |> remote_user_creation()
-    |> Repo.insert(on_conflict: :replace_all, conflict_target: :nickname)
+    |> Repo.insert(on_conflict: :replace_all_except_primary_key, conflict_target: :nickname)
     |> set_cache()
   end
 
@@ -1417,23 +1427,16 @@ defmodule Pleroma.User do
     }
   end
 
-  def ensure_keys_present(user) do
-    info = user.info
-
+  def ensure_keys_present(%User{info: info} = user) do
     if info.keys do
       {:ok, user}
     else
       {:ok, pem} = Keys.generate_rsa_pem()
 
-      info_cng =
-        info
-        |> User.Info.set_keys(pem)
-
-      cng =
-        Ecto.Changeset.change(user)
-        |> Ecto.Changeset.put_embed(:info, info_cng)
-
-      update_and_set_cache(cng)
+      user
+      |> Ecto.Changeset.change()
+      |> Ecto.Changeset.put_embed(:info, User.Info.set_keys(info, pem))
+      |> update_and_set_cache()
     end
   end
 
@@ -1454,4 +1457,8 @@ defmodule Pleroma.User do
   end
 
   defp put_password_hash(changeset), do: changeset
+
+  def is_internal_user?(%User{nickname: nil}), do: true
+  def is_internal_user?(%User{local: true, nickname: "internal." <> _}), do: true
+  def is_internal_user?(_), do: false
 end
diff --git a/lib/pleroma/user/info.ex b/lib/pleroma/user/info.ex
index 4cc3f2f2c..b03e705c3 100644
--- a/lib/pleroma/user/info.ex
+++ b/lib/pleroma/user/info.ex
@@ -26,6 +26,7 @@ defmodule Pleroma.User.Info do
     field(:domain_blocks, {:array, :string}, default: [])
     field(:mutes, {:array, :string}, default: [])
     field(:muted_reblogs, {:array, :string}, default: [])
+    field(:muted_notifications, {:array, :string}, default: [])
     field(:subscribers, {:array, :string}, default: [])
     field(:deactivated, :boolean, default: false)
     field(:no_rich_text, :boolean, default: false)
@@ -122,6 +123,16 @@ defmodule Pleroma.User.Info do
     |> validate_required([:mutes])
   end
 
+  @spec set_notification_mutes(Changeset.t(), [String.t()], boolean()) :: Changeset.t()
+  def set_notification_mutes(changeset, muted_notifications, notifications?) do
+    if notifications? do
+      put_change(changeset, :muted_notifications, muted_notifications)
+      |> validate_required([:muted_notifications])
+    else
+      changeset
+    end
+  end
+
   def set_blocks(info, blocks) do
     params = %{blocks: blocks}
 
@@ -138,14 +149,31 @@ defmodule Pleroma.User.Info do
     |> validate_required([:subscribers])
   end
 
+  @spec add_to_mutes(Info.t(), String.t()) :: Changeset.t()
   def add_to_mutes(info, muted) do
     set_mutes(info, Enum.uniq([muted | info.mutes]))
   end
 
+  @spec add_to_muted_notifications(Changeset.t(), Info.t(), String.t(), boolean()) ::
+          Changeset.t()
+  def add_to_muted_notifications(changeset, info, muted, notifications?) do
+    set_notification_mutes(
+      changeset,
+      Enum.uniq([muted | info.muted_notifications]),
+      notifications?
+    )
+  end
+
+  @spec remove_from_mutes(Info.t(), String.t()) :: Changeset.t()
   def remove_from_mutes(info, muted) do
     set_mutes(info, List.delete(info.mutes, muted))
   end
 
+  @spec remove_from_muted_notifications(Changeset.t(), Info.t(), String.t()) :: Changeset.t()
+  def remove_from_muted_notifications(changeset, info, muted) do
+    set_notification_mutes(changeset, List.delete(info.muted_notifications, muted), true)
+  end
+
   def add_to_block(info, blocked) do
     set_blocks(info, Enum.uniq([blocked | info.blocks]))
   end
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 2dd9dbf7f..ba7fc1e01 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -8,6 +8,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Conversation
   alias Pleroma.Notification
   alias Pleroma.Object
+  alias Pleroma.Object.Containment
   alias Pleroma.Object.Fetcher
   alias Pleroma.Pagination
   alias Pleroma.Repo
@@ -26,19 +27,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   # For Announce activities, we filter the recipients based on following status for any actors
   # that match actual users.  See issue #164 for more information about why this is necessary.
   defp get_recipients(%{"type" => "Announce"} = data) do
-    to = data["to"] || []
-    cc = data["cc"] || []
+    to = Map.get(data, "to", [])
+    cc = Map.get(data, "cc", [])
+    bcc = Map.get(data, "bcc", [])
     actor = User.get_cached_by_ap_id(data["actor"])
 
     recipients =
-      (to ++ cc)
-      |> Enum.filter(fn recipient ->
+      Enum.filter(Enum.concat([to, cc, bcc]), fn recipient ->
         case User.get_cached_by_ap_id(recipient) do
-          nil ->
-            true
-
-          user ->
-            User.following?(user, actor)
+          nil -> true
+          user -> User.following?(user, actor)
         end
       end)
 
@@ -46,17 +44,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   defp get_recipients(%{"type" => "Create"} = data) do
-    to = data["to"] || []
-    cc = data["cc"] || []
-    actor = data["actor"] || []
-    recipients = (to ++ cc ++ [actor]) |> Enum.uniq()
+    to = Map.get(data, "to", [])
+    cc = Map.get(data, "cc", [])
+    bcc = Map.get(data, "bcc", [])
+    actor = Map.get(data, "actor", [])
+    recipients = [to, cc, bcc, [actor]] |> Enum.concat() |> Enum.uniq()
     {recipients, to, cc}
   end
 
   defp get_recipients(data) do
-    to = data["to"] || []
-    cc = data["cc"] || []
-    recipients = to ++ cc
+    to = Map.get(data, "to", [])
+    cc = Map.get(data, "cc", [])
+    bcc = Map.get(data, "bcc", [])
+    recipients = Enum.concat([to, cc, bcc])
     {recipients, to, cc}
   end
 
@@ -126,6 +126,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
          {:ok, map} <- MRF.filter(map),
          {recipients, _, _} = get_recipients(map),
          {:fake, false, map, recipients} <- {:fake, fake, map, recipients},
+         :ok <- Containment.contain_child(map),
          {:ok, map, object} <- insert_full_object(map) do
       {:ok, activity} =
         Repo.insert(%Activity{
@@ -896,13 +897,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   defp maybe_order(query, _), do: query
 
   def fetch_activities_query(recipients, opts \\ %{}) do
-    base_query = from(activity in Activity)
-
     config = %{
       skip_thread_containment: Config.get([:instance, :skip_thread_containment])
     }
 
-    base_query
+    Activity
     |> maybe_preload_objects(opts)
     |> maybe_preload_bookmarks(opts)
     |> maybe_set_thread_muted_field(opts)
@@ -931,11 +930,31 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def fetch_activities(recipients, opts \\ %{}) do
-    fetch_activities_query(recipients, opts)
+    list_memberships = Pleroma.List.memberships(opts["user"])
+
+    fetch_activities_query(recipients ++ list_memberships, opts)
     |> Pagination.fetch_paginated(opts)
     |> Enum.reverse()
+    |> maybe_update_cc(list_memberships, opts["user"])
   end
 
+  defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id})
+       when is_list(list_memberships) and length(list_memberships) > 0 do
+    Enum.map(activities, fn
+      %{data: %{"bcc" => bcc}} = activity when is_list(bcc) and length(bcc) > 0 ->
+        if Enum.any?(bcc, &(&1 in list_memberships)) do
+          update_in(activity.data["cc"], &[user_ap_id | &1])
+        else
+          activity
+        end
+
+      activity ->
+        activity
+    end)
+  end
+
+  defp maybe_update_cc(activities, _, _), do: activities
+
   def fetch_activities_bounded_query(query, recipients, recipients_with_public) do
     from(activity in query,
       where:
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index e2af4ad1a..133a726c5 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -10,6 +10,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   alias Pleroma.Object.Fetcher
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.InternalFetchActor
   alias Pleroma.Web.ActivityPub.ObjectView
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.ActivityPub.Transmogrifier
@@ -206,9 +207,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     json(conn, dgettext("errors", "error"))
   end
 
-  def relay(conn, _params) do
-    with %User{} = user <- Relay.get_actor(),
-         {:ok, user} <- User.ensure_keys_present(user) do
+  defp represent_service_actor(%User{} = user, conn) do
+    with {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("user.json", %{user: user}))
@@ -217,6 +217,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     end
   end
 
+  defp represent_service_actor(nil, _), do: {:error, :not_found}
+
+  def relay(conn, _params) do
+    Relay.get_actor()
+    |> represent_service_actor(conn)
+  end
+
+  def internal_fetch(conn, _params) do
+    InternalFetchActor.get_actor()
+    |> represent_service_actor(conn)
+  end
+
   def whoami(%{assigns: %{user: %User{} = user}} = conn, _params) do
     conn
     |> put_resp_header("content-type", "application/activity+json")
diff --git a/lib/pleroma/web/activity_pub/internal_fetch_actor.ex b/lib/pleroma/web/activity_pub/internal_fetch_actor.ex
new file mode 100644
index 000000000..9213ddde7
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/internal_fetch_actor.ex
@@ -0,0 +1,20 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.InternalFetchActor do
+  alias Pleroma.User
+
+  require Logger
+
+  def init do
+    # Wait for everything to settle.
+    Process.sleep(1000 * 5)
+    get_actor()
+  end
+
+  def get_actor do
+    "#{Pleroma.Web.Endpoint.url()}/internal/fetch"
+    |> User.get_or_create_service_actor_by_ap_id("internal.fetch")
+  end
+end
diff --git a/lib/pleroma/web/activity_pub/mrf/mention_policy.ex b/lib/pleroma/web/activity_pub/mrf/mention_policy.ex
new file mode 100644
index 000000000..1842e1aeb
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/mrf/mention_policy.ex
@@ -0,0 +1,24 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicy do
+  @moduledoc "Block messages which mention a user"
+
+  @behaviour Pleroma.Web.ActivityPub.MRF
+
+  @impl true
+  def filter(%{"type" => "Create"} = message) do
+    reject_actors = Pleroma.Config.get([:mrf_mention, :actors], [])
+    recipients = (message["to"] || []) ++ (message["cc"] || [])
+
+    if Enum.any?(recipients, fn recipient -> Enum.member?(reject_actors, recipient) end) do
+      {:reject, nil}
+    else
+      {:ok, message}
+    end
+  end
+
+  @impl true
+  def filter(message), do: {:ok, message}
+end
diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex
index a05e03263..c505223f7 100644
--- a/lib/pleroma/web/activity_pub/publisher.ex
+++ b/lib/pleroma/web/activity_pub/publisher.ex
@@ -92,18 +92,68 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
     end
   end
 
-  @doc """
-  Publishes an activity to all relevant peers.
-  """
-  def publish(%User{} = actor, %Activity{} = activity) do
-    remote_followers =
+  defp recipients(actor, activity) do
+    followers =
       if actor.follower_address in activity.recipients do
         {:ok, followers} = User.get_followers(actor)
-        followers |> Enum.filter(&(!&1.local))
+        Enum.filter(followers, &(!&1.local))
       else
         []
       end
 
+    Pleroma.Web.Salmon.remote_users(actor, activity) ++ followers
+  end
+
+  defp get_cc_ap_ids(ap_id, recipients) do
+    host = Map.get(URI.parse(ap_id), :host)
+
+    recipients
+    |> Enum.filter(fn %User{ap_id: ap_id} -> Map.get(URI.parse(ap_id), :host) == host end)
+    |> Enum.map(& &1.ap_id)
+  end
+
+  @doc """
+  Publishes an activity with BCC to all relevant peers.
+  """
+
+  def publish(actor, %{data: %{"bcc" => bcc}} = activity) when is_list(bcc) and bcc != [] do
+    public = is_public?(activity)
+    {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
+
+    recipients = recipients(actor, activity)
+
+    recipients
+    |> Enum.filter(&User.ap_enabled?/1)
+    |> Enum.map(fn %{info: %{source_data: data}} -> data["inbox"] end)
+    |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
+    |> Instances.filter_reachable()
+    |> Enum.each(fn {inbox, unreachable_since} ->
+      %User{ap_id: ap_id} =
+        Enum.find(recipients, fn %{info: %{source_data: data}} -> data["inbox"] == inbox end)
+
+      # Get all the recipients on the same host and add them to cc. Otherwise, a remote
+      # instance would only accept a first message for the first recipient and ignore the rest.
+      cc = get_cc_ap_ids(ap_id, recipients)
+
+      json =
+        data
+        |> Map.put("cc", cc)
+        |> Jason.encode!()
+
+      Pleroma.Web.Federator.Publisher.enqueue_one(__MODULE__, %{
+        inbox: inbox,
+        json: json,
+        actor: actor,
+        id: activity.data["id"],
+        unreachable_since: unreachable_since
+      })
+    end)
+  end
+
+  @doc """
+  Publishes an activity to all relevant peers.
+  """
+  def publish(%User{} = actor, %Activity{} = activity) do
     public = is_public?(activity)
 
     if public && Config.get([:instance, :allow_relay]) do
@@ -114,7 +164,7 @@ defmodule Pleroma.Web.ActivityPub.Publisher do
     {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
     json = Jason.encode!(data)
 
-    (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
+    recipients(actor, activity)
     |> Enum.filter(fn user -> User.ap_enabled?(user) end)
     |> Enum.map(fn %{info: %{source_data: data}} ->
       (is_map(data["endpoints"]) && Map.get(data["endpoints"], "sharedInbox")) || data["inbox"]
diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex
index 93808517b..1ebfcdd86 100644
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@@ -10,7 +10,8 @@ defmodule Pleroma.Web.ActivityPub.Relay do
   require Logger
 
   def get_actor do
-    User.get_or_create_instance_user()
+    "#{Pleroma.Web.Endpoint.url()}/relay"
+    |> User.get_or_create_service_actor_by_ap_id()
   end
 
   def follow(target_instance) do
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 10b362908..816ea8e35 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -814,13 +814,16 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
 
   def prepare_outgoing(%{"type" => "Create", "object" => object_id} = data) do
     object =
-      Object.normalize(object_id).data
+      object_id
+      |> Object.normalize()
+      |> Map.get(:data)
       |> prepare_object
 
     data =
       data
       |> Map.put("object", object)
       |> Map.merge(Utils.make_json_ld_header())
+      |> Map.delete("bcc")
 
     {:ok, data}
   end
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 4288ea4c8..c146f59d4 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -25,12 +25,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   # Some implementations send the actor URI as the actor field, others send the entire actor object,
   # so figure out what the actor's URI is based on what we have.
-  def get_ap_id(object) do
-    case object do
-      %{"id" => id} -> id
-      id -> id
-    end
-  end
+  def get_ap_id(%{"id" => id} = _), do: id
+  def get_ap_id(id), do: id
 
   def normalize_params(params) do
     Map.put(params, "actor", get_ap_id(params["actor"]))
diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex
index d9c1bcb2c..639519e0a 100644
--- a/lib/pleroma/web/activity_pub/views/user_view.ex
+++ b/lib/pleroma/web/activity_pub/views/user_view.ex
@@ -31,8 +31,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
 
   def render("endpoints.json", _), do: %{}
 
-  # the instance itself is not a Person, but instead an Application
-  def render("user.json", %{user: %{nickname: nil} = user}) do
+  def render("service.json", %{user: user}) do
     {:ok, user} = User.ensure_keys_present(user)
     {:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
@@ -47,7 +46,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do
       "followers" => "#{user.ap_id}/followers",
       "inbox" => "#{user.ap_id}/inbox",
       "name" => "Pleroma",
-      "summary" => "Virtual actor for Pleroma relay",
+      "summary" =>
+        "An internal service actor for this Pleroma instance.  No user-serviceable parts inside.",
       "url" => user.ap_id,
       "manuallyApprovesFollowers" => false,
       "publicKey" => %{
@@ -60,6 +60,13 @@ defmodule Pleroma.Web.ActivityPub.UserView do
     |> Map.merge(Utils.make_json_ld_header())
   end
 
+  # the instance itself is not a Person, but instead an Application
+  def render("user.json", %{user: %User{nickname: nil} = user}),
+    do: render("service.json", %{user: user})
+
+  def render("user.json", %{user: %User{nickname: "internal." <> _} = user}),
+    do: render("service.json", %{user: user})
+
   def render("user.json", %{user: user}) do
     {:ok, user} = User.ensure_keys_present(user)
     {:ok, _, public_key} = Keys.keys_from_pem(user.info.keys)
diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex
index 9908a2e75..2666edc7c 100644
--- a/lib/pleroma/web/activity_pub/visibility.ex
+++ b/lib/pleroma/web/activity_pub/visibility.ex
@@ -34,6 +34,20 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
     !is_public?(activity) && !is_private?(activity)
   end
 
+  def is_list?(%{data: %{"listMessage" => _}}), do: true
+  def is_list?(_), do: false
+
+  def visible_for_user?(%{actor: ap_id}, %User{ap_id: ap_id}), do: true
+
+  def visible_for_user?(%{data: %{"listMessage" => list_ap_id}} = activity, %User{} = user) do
+    user.ap_id in activity.data["to"] ||
+      list_ap_id
+      |> Pleroma.List.get_by_ap_id()
+      |> Pleroma.List.member?(user)
+  end
+
+  def visible_for_user?(%{data: %{"listMessage" => _}}, nil), do: false
+
   def visible_for_user?(activity, nil) do
     is_public?(activity)
   end
@@ -73,6 +87,9 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
       object.data["directMessage"] == true ->
         "direct"
 
+      is_binary(object.data["listMessage"]) ->
+        "list"
+
       length(cc) > 0 ->
         "private"
 
diff --git a/lib/pleroma/web/auth/pleroma_authenticator.ex b/lib/pleroma/web/auth/pleroma_authenticator.ex
index a9164ad98..f4234b743 100644
--- a/lib/pleroma/web/auth/pleroma_authenticator.ex
+++ b/lib/pleroma/web/auth/pleroma_authenticator.ex
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Auth.PleromaAuthenticator do
-  alias Comeonin.Pbkdf2
+  alias Pleroma.Plugs.AuthenticationPlug
   alias Pleroma.Registration
   alias Pleroma.Repo
   alias Pleroma.User
@@ -16,7 +16,7 @@ defmodule Pleroma.Web.Auth.PleromaAuthenticator do
   def get_user(%Plug.Conn{} = conn) do
     with {:ok, {name, password}} <- fetch_credentials(conn),
          {_, %User{} = user} <- {:user, fetch_user(name)},
-         {_, true} <- {:checkpw, Pbkdf2.checkpw(password, user.password_hash)} do
+         {_, true} <- {:checkpw, AuthenticationPlug.checkpw(password, user.password_hash)} do
       {:ok, user}
     else
       error ->
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index f1450b113..44af6a773 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -4,7 +4,6 @@
 
 defmodule Pleroma.Web.CommonAPI do
   alias Pleroma.Activity
-  alias Pleroma.Bookmark
   alias Pleroma.Formatter
   alias Pleroma.Object
   alias Pleroma.ThreadMute
@@ -31,7 +30,8 @@ defmodule Pleroma.Web.CommonAPI do
 
   def unfollow(follower, unfollowed) do
     with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
-         {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
+         {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed),
+         {:ok, _unfollowed} <- User.unsubscribe(follower, unfollowed) do
       {:ok, follower}
     end
   end
@@ -175,6 +175,11 @@ defmodule Pleroma.Web.CommonAPI do
       when visibility in ~w{public unlisted private direct},
       do: {visibility, get_replied_to_visibility(in_reply_to)}
 
+  def get_visibility(%{"visibility" => "list:" <> list_id}, in_reply_to) do
+    visibility = {:list, String.to_integer(list_id)}
+    {visibility, get_replied_to_visibility(in_reply_to)}
+  end
+
   def get_visibility(_, in_reply_to) when not is_nil(in_reply_to) do
     visibility = get_replied_to_visibility(in_reply_to)
     {visibility, visibility}
@@ -235,19 +240,18 @@ defmodule Pleroma.Web.CommonAPI do
              "emoji",
              Map.merge(Formatter.get_emoji_map(full_payload), poll_emoji)
            ) do
-      res =
-        ActivityPub.create(
-          %{
-            to: to,
-            actor: user,
-            context: context,
-            object: object,
-            additional: %{"cc" => cc, "directMessage" => visibility == "direct"}
-          },
-          Pleroma.Web.ControllerHelper.truthy_param?(data["preview"]) || false
-        )
-
-      res
+      preview? = Pleroma.Web.ControllerHelper.truthy_param?(data["preview"]) || false
+      direct? = visibility == "direct"
+
+      %{
+        to: to,
+        actor: user,
+        context: context,
+        object: object,
+        additional: %{"cc" => cc, "directMessage" => direct?}
+      }
+      |> maybe_add_list_data(user, visibility)
+      |> ActivityPub.create(preview?)
     else
       {:private_to_public, true} ->
         {:error, dgettext("errors", "The message visibility must be direct")}
@@ -351,15 +355,6 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
-  def bookmarked?(user, activity) do
-    with %Bookmark{} <- Bookmark.get(user.id, activity.id) do
-      true
-    else
-      _ ->
-        false
-    end
-  end
-
   def report(user, data) do
     with {:account_id, %{"account_id" => account_id}} <- {:account_id, data},
          {:account, %User{} = account} <- {:account, User.get_cached_by_id(account_id)},
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 8e482eef7..fcc000969 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -6,11 +6,11 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   import Pleroma.Web.Gettext
 
   alias Calendar.Strftime
-  alias Comeonin.Pbkdf2
   alias Pleroma.Activity
   alias Pleroma.Config
   alias Pleroma.Formatter
   alias Pleroma.Object
+  alias Pleroma.Plugs.AuthenticationPlug
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Utils
@@ -100,12 +100,29 @@ defmodule Pleroma.Web.CommonAPI.Utils do
     end
   end
 
+  def get_to_and_cc(_user, mentions, _inReplyTo, {:list, _}), do: {mentions, []}
+
   def get_addressed_users(_, to) when is_list(to) do
     User.get_ap_ids_by_nicknames(to)
   end
 
   def get_addressed_users(mentioned_users, _), do: mentioned_users
 
+  def maybe_add_list_data(activity_params, user, {:list, list_id}) do
+    case Pleroma.List.get(list_id, user) do
+      %Pleroma.List{} = list ->
+        activity_params
+        |> put_in([:additional, "bcc"], [list.ap_id])
+        |> put_in([:additional, "listMessage"], list.ap_id)
+        |> put_in([:object, "listMessage"], list.ap_id)
+
+      _ ->
+        activity_params
+    end
+  end
+
+  def maybe_add_list_data(activity_params, _, _), do: activity_params
+
   def make_poll_data(%{"poll" => %{"options" => options, "expires_in" => expires_in}} = data)
       when is_list(options) do
     %{max_expiration: max_expiration, min_expiration: min_expiration} =
@@ -371,7 +388,7 @@ defmodule Pleroma.Web.CommonAPI.Utils do
 
   def confirm_current_password(user, password) do
     with %User{local: true} = db_user <- User.get_cached_by_id(user.id),
-         true <- Pbkdf2.checkpw(password, db_user.password_hash) do
+         true <- AuthenticationPlug.checkpw(password, db_user.password_hash) do
       {:ok, db_user}
     else
       _ -> {:error, dgettext("errors", "Invalid password.")}
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api.ex b/lib/pleroma/web/mastodon_api/mastodon_api.ex
index c82b20123..46944dcbc 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api.ex
@@ -53,7 +53,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
     options = cast_params(params)
 
     user
-    |> Notification.for_user_query()
+    |> Notification.for_user_query(options)
     |> restrict(:exclude_types, options)
     |> Pagination.fetch_paginated(params)
   end
@@ -67,7 +67,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
   defp cast_params(params) do
     param_types = %{
       exclude_types: {:array, :string},
-      reblogs: :boolean
+      reblogs: :boolean,
+      with_muted: :boolean
     }
 
     changeset = cast({%{}, param_types}, params, Map.keys(param_types))
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index 8c2033c3a..e8b43e475 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -15,6 +15,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Pagination
+  alias Pleroma.Plugs.RateLimiter
   alias Pleroma.Repo
   alias Pleroma.ScheduledActivity
   alias Pleroma.Stats
@@ -46,8 +47,33 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   require Logger
 
-  plug(Pleroma.Plugs.RateLimiter, :app_account_creation when action == :account_register)
-  plug(Pleroma.Plugs.RateLimiter, :search when action in [:search, :search2, :account_search])
+  @rate_limited_relations_actions ~w(follow unfollow)a
+
+  @rate_limited_status_actions ~w(reblog_status unreblog_status fav_status unfav_status
+    post_status delete_status)a
+
+  plug(
+    RateLimiter,
+    {:status_id_action, bucket_name: "status_id_action:reblog_unreblog", params: ["id"]}
+    when action in ~w(reblog_status unreblog_status)a
+  )
+
+  plug(
+    RateLimiter,
+    {:status_id_action, bucket_name: "status_id_action:fav_unfav", params: ["id"]}
+    when action in ~w(fav_status unfav_status)a
+  )
+
+  plug(
+    RateLimiter,
+    {:relations_id_action, params: ["id", "uri"]} when action in @rate_limited_relations_actions
+  )
+
+  plug(RateLimiter, :relations_actions when action in @rate_limited_relations_actions)
+  plug(RateLimiter, :statuses_actions when action in @rate_limited_status_actions)
+  plug(RateLimiter, :app_account_creation when action == :account_register)
+  plug(RateLimiter, :search when action in [:search, :search2, :account_search])
+  plug(RateLimiter, :password_reset when action == :password_reset)
 
   @local_mastodon_name "Mastodon-Local"
 
@@ -414,7 +440,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
-    with %User{} = user <- User.get_cached_by_id(params["id"]) do
+    with %User{} = user <- User.get_cached_by_nickname_or_id(params["id"]) do
       params =
         params
         |> Map.put("tag", params["tagged"])
@@ -676,11 +702,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       conn
       |> put_view(StatusView)
       |> try_render("status.json", %{activity: activity, for: user, as: :activity})
-    else
-      {:error, reason} ->
-        conn
-        |> put_status(:bad_request)
-        |> json(%{"error" => reason})
     end
   end
 
@@ -721,11 +742,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       conn
       |> put_view(StatusView)
       |> try_render("status.json", %{activity: activity, for: user, as: :activity})
-    else
-      {:error, reason} ->
-        conn
-        |> put_resp_content_type("application/json")
-        |> send_resp(:bad_request, Jason.encode!(%{"error" => reason}))
     end
   end
 
@@ -864,7 +880,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
-    with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
+    with %Activity{data: %{"object" => object}} <- Activity.get_by_id(id),
          %Object{data: %{"likes" => likes}} <- Object.normalize(object) do
       q = from(u in User, where: u.ap_id in ^likes)
       users = Repo.all(q)
@@ -878,7 +894,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def reblogged_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
-    with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
+    with %Activity{data: %{"object" => object}} <- Activity.get_by_id(id),
          %Object{data: %{"announcements" => announces}} <- Object.normalize(object) do
       q = from(u in User, where: u.ap_id in ^announces)
       users = Repo.all(q)
@@ -1051,9 +1067,14 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def mute(%{assigns: %{user: muter}} = conn, %{"id" => id}) do
+  def mute(%{assigns: %{user: muter}} = conn, %{"id" => id} = params) do
+    notifications =
+      if Map.has_key?(params, "notifications"),
+        do: params["notifications"] in [true, "True", "true", "1"],
+        else: true
+
     with %User{} = muted <- User.get_cached_by_id(id),
-         {:ok, muter} <- User.mute(muter, muted) do
+         {:ok, muter} <- User.mute(muter, muted, notifications) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: muter, target: muted})
@@ -1629,6 +1650,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     render_error(conn, :not_found, "Record not found")
   end
 
+  def errors(conn, {:error, error_message}) do
+    conn
+    |> put_status(:bad_request)
+    |> json(%{error: error_message})
+  end
+
   def errors(conn, _) do
     conn
     |> put_status(:internal_server_error)
@@ -1790,6 +1817,22 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def password_reset(conn, params) do
+    nickname_or_email = params["email"] || params["nickname"]
+
+    with {:ok, _} <- TwitterAPI.password_reset(nickname_or_email) do
+      conn
+      |> put_status(:no_content)
+      |> json("")
+    else
+      {:error, "unknown user"} ->
+        send_resp(conn, :not_found, "")
+
+      {:error, _} ->
+        send_resp(conn, :bad_request, "")
+    end
+  end
+
   def try_render(conn, target, params)
       when is_binary(target) do
     case render(conn, target, params) do
diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex
index 62c516f8e..befb35c26 100644
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@@ -51,8 +51,9 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
       following: User.following?(user, target),
       followed_by: User.following?(target, user),
       blocking: User.blocks?(user, target),
+      blocked_by: User.blocks?(target, user),
       muting: User.mutes?(user, target),
-      muting_notifications: false,
+      muting_notifications: User.muted_notifications?(user, target),
       subscribing: User.subscribed_to?(user, target),
       requested: requested,
       domain_blocking: false,
@@ -136,6 +137,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
     |> maybe_put_notification_settings(user, opts[:for])
     |> maybe_put_settings_store(user, opts[:for], opts)
     |> maybe_put_chat_token(user, opts[:for], opts)
+    |> maybe_put_activation_status(user, opts[:for])
   end
 
   defp username_from_nickname(string) when is_binary(string) do
@@ -196,6 +198,12 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
 
   defp maybe_put_notification_settings(data, _, _), do: data
 
+  defp maybe_put_activation_status(data, user, %User{info: %{is_admin: true}}) do
+    Kernel.put_in(data, [:pleroma, :deactivated], user.info.deactivated)
+  end
+
+  defp maybe_put_activation_status(data, _, _), do: data
+
   defp image_url(%{"url" => [%{"href" => href} | _]}), do: href
   defp image_url(_), do: nil
 end
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index 06a7251d8..de9425959 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -382,7 +382,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       %{
         # Mastodon uses separate ids for polls, but an object can't have
         # more than one poll embedded so object id is fine
-        id: object.id,
+        id: to_string(object.id),
         expires_at: Utils.to_masto_date(end_time),
         expired: expired,
         multiple: multiple,
diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex
index dd8888a02..a661e9bb7 100644
--- a/lib/pleroma/web/media_proxy/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy.ex
@@ -3,68 +3,71 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MediaProxy do
-  @base64_opts [padding: false]
-
-  def url(nil), do: nil
+  alias Pleroma.Config
+  alias Pleroma.Web
 
-  def url(""), do: nil
+  @base64_opts [padding: false]
 
+  def url(url) when is_nil(url) or url == "", do: nil
   def url("/" <> _ = url), do: url
 
   def url(url) do
-    if !enabled?() or local?(url) or whitelisted?(url) do
+    if disabled?() or local?(url) or whitelisted?(url) do
       url
     else
       encode_url(url)
     end
   end
 
-  defp enabled?, do: Pleroma.Config.get([:media_proxy, :enabled], false)
+  defp disabled?, do: !Config.get([:media_proxy, :enabled], false)
 
   defp local?(url), do: String.starts_with?(url, Pleroma.Web.base_url())
 
   defp whitelisted?(url) do
     %{host: domain} = URI.parse(url)
 
-    Enum.any?(Pleroma.Config.get([:media_proxy, :whitelist]), fn pattern ->
+    Enum.any?(Config.get([:media_proxy, :whitelist]), fn pattern ->
       String.equivalent?(domain, pattern)
     end)
   end
 
   def encode_url(url) do
-    secret = Pleroma.Config.get([Pleroma.Web.Endpoint, :secret_key_base])
     base64 = Base.url_encode64(url, @base64_opts)
-    sig = :crypto.hmac(:sha, secret, base64)
-    sig64 = sig |> Base.url_encode64(@base64_opts)
+
+    sig64 =
+      base64
+      |> signed_url
+      |> Base.url_encode64(@base64_opts)
 
     build_url(sig64, base64, filename(url))
   end
 
   def decode_url(sig, url) do
-    secret = Pleroma.Config.get([Pleroma.Web.Endpoint, :secret_key_base])
-    sig = Base.url_decode64!(sig, @base64_opts)
-    local_sig = :crypto.hmac(:sha, secret, url)
-
-    if local_sig == sig do
+    with {:ok, sig} <- Base.url_decode64(sig, @base64_opts),
+         signature when signature == sig <- signed_url(url) do
       {:ok, Base.url_decode64!(url, @base64_opts)}
     else
-      {:error, :invalid_signature}
+      _ -> {:error, :invalid_signature}
     end
   end
 
+  defp signed_url(url) do
+    :crypto.hmac(:sha, Config.get([Web.Endpoint, :secret_key_base]), url)
+  end
+
   def filename(url_or_path) do
     if path = URI.parse(url_or_path).path, do: Path.basename(path)
   end
 
   def build_url(sig_base64, url_base64, filename \\ nil) do
     [
-      Pleroma.Config.get([:media_proxy, :base_url], Pleroma.Web.base_url()),
+      Pleroma.Config.get([:media_proxy, :base_url], Web.base_url()),
       "proxy",
       sig_base64,
       url_base64,
       filename
     ]
-    |> Enum.filter(fn value -> value end)
+    |> Enum.filter(& &1)
     |> Path.join()
   end
 end
diff --git a/lib/pleroma/web/media_proxy/controller.ex b/lib/pleroma/web/media_proxy/media_proxy_controller.ex
index ea33d7685..8403850ff 100644
--- a/lib/pleroma/web/media_proxy/controller.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy_controller.ex
@@ -13,7 +13,7 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
     with config <- Pleroma.Config.get([:media_proxy], []),
          true <- Keyword.get(config, :enabled, false),
          {:ok, url} <- MediaProxy.decode_url(sig64, url64),
-         :ok <- filename_matches(Map.has_key?(params, "filename"), conn.request_path, url) do
+         :ok <- filename_matches(params, conn.request_path, url) do
       ReverseProxy.call(conn, url, Keyword.get(config, :proxy_opts, @default_proxy_opts))
     else
       false ->
@@ -27,13 +27,20 @@ defmodule Pleroma.Web.MediaProxy.MediaProxyController do
     end
   end
 
-  def filename_matches(has_filename, path, url) do
-    filename = url |> MediaProxy.filename()
+  def filename_matches(%{"filename" => _} = _, path, url) do
+    filename = MediaProxy.filename(url)
 
-    if has_filename && filename && Path.basename(path) != filename do
+    if filename && does_not_match(path, filename) do
       {:wrong_filename, filename}
     else
       :ok
     end
   end
+
+  def filename_matches(_, _, _), do: :ok
+
+  defp does_not_match(path, filename) do
+    basename = Path.basename(path)
+    basename != filename and URI.decode(basename) != filename and URI.encode(basename) != filename
+  end
 end
diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index cd9a4f4a8..a1d7fcc7d 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -34,8 +34,11 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
   def raw_nodeinfo do
     stats = Stats.get_stats()
 
+    exclusions = Config.get([:instance, :mrf_transparency_exclusions])
+
     mrf_simple =
       Config.get(:mrf_simple)
+      |> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end)
       |> Enum.into(%{})
 
     # This horror is needed to convert regex sigils to strings
@@ -86,7 +89,8 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
           mrf_simple: mrf_simple,
           mrf_keyword: mrf_keyword,
           mrf_user_allowlist: mrf_user_allowlist,
-          quarantined_instances: quarantined
+          quarantined_instances: quarantined,
+          exclusions: length(exclusions) > 0
         }
       else
         %{}
diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex
index 21cd47890..b69b2be61 100644
--- a/lib/pleroma/web/rich_media/parser.ex
+++ b/lib/pleroma/web/rich_media/parser.ex
@@ -3,12 +3,6 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.RichMedia.Parser do
-  @parsers [
-    Pleroma.Web.RichMedia.Parsers.OGP,
-    Pleroma.Web.RichMedia.Parsers.TwitterCard,
-    Pleroma.Web.RichMedia.Parsers.OEmbed
-  ]
-
   @hackney_options [
     pool: :media,
     recv_timeout: 2_000,
@@ -16,6 +10,10 @@ defmodule Pleroma.Web.RichMedia.Parser do
     with_body: true
   ]
 
+  defp parsers do
+    Pleroma.Config.get([:rich_media, :parsers])
+  end
+
   def parse(nil), do: {:error, "No URL provided"}
 
   if Pleroma.Config.get(:env) == :test do
@@ -26,6 +24,7 @@ defmodule Pleroma.Web.RichMedia.Parser do
         Cachex.fetch!(:rich_media_cache, url, fn _ ->
           {:commit, parse_url(url)}
         end)
+        |> set_ttl_based_on_image(url)
       rescue
         e ->
           {:error, "Cachex error: #{inspect(e)}"}
@@ -33,6 +32,50 @@ defmodule Pleroma.Web.RichMedia.Parser do
     end
   end
 
+  @doc """
+  Set the rich media cache based on the expiration time of image.
+
+  Adopt behaviour `Pleroma.Web.RichMedia.Parser.TTL`
+
+  ## Example
+
+      defmodule MyModule do
+        @behaviour Pleroma.Web.RichMedia.Parser.TTL
+        def ttl(data, url) do
+          image_url = Map.get(data, :image)
+          # do some parsing in the url and get the ttl of the image
+          # and return ttl is unix time
+          parse_ttl_from_url(image_url)
+        end
+      end
+
+  Define the module in the config
+
+      config :pleroma, :rich_media,
+        ttl_setters: [MyModule]
+  """
+  def set_ttl_based_on_image({:ok, data}, url) do
+    with {:ok, nil} <- Cachex.ttl(:rich_media_cache, url) do
+      ttl = get_ttl_from_image(data, url)
+      Cachex.expire_at(:rich_media_cache, url, ttl * 1000)
+      {:ok, data}
+    else
+      _ ->
+        {:ok, data}
+    end
+  end
+
+  defp get_ttl_from_image(data, url) do
+    Pleroma.Config.get([:rich_media, :ttl_setters])
+    |> Enum.reduce({:ok, nil}, fn
+      module, {:ok, _ttl} ->
+        module.ttl(data, url)
+
+      _, error ->
+        error
+    end)
+  end
+
   defp parse_url(url) do
     try do
       {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url, [], adapter: @hackney_options)
@@ -48,7 +91,7 @@ defmodule Pleroma.Web.RichMedia.Parser do
   end
 
   defp maybe_parse(html) do
-    Enum.reduce_while(@parsers, %{}, fn parser, acc ->
+    Enum.reduce_while(parsers(), %{}, fn parser, acc ->
       case parser.parse(html, acc) do
         {:ok, data} -> {:halt, data}
         {:error, _msg} -> {:cont, acc}
diff --git a/lib/pleroma/web/rich_media/parsers/ttl/aws_signed_url.ex b/lib/pleroma/web/rich_media/parsers/ttl/aws_signed_url.ex
new file mode 100644
index 000000000..014c0935f
--- /dev/null
+++ b/lib/pleroma/web/rich_media/parsers/ttl/aws_signed_url.ex
@@ -0,0 +1,52 @@
+defmodule Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl do
+  @behaviour Pleroma.Web.RichMedia.Parser.TTL
+
+  @impl Pleroma.Web.RichMedia.Parser.TTL
+  def ttl(data, _url) do
+    image = Map.get(data, :image)
+
+    if is_aws_signed_url(image) do
+      image
+      |> parse_query_params()
+      |> format_query_params()
+      |> get_expiration_timestamp()
+    end
+  end
+
+  defp is_aws_signed_url(""), do: nil
+  defp is_aws_signed_url(nil), do: nil
+
+  defp is_aws_signed_url(image) when is_binary(image) do
+    %URI{host: host, query: query} = URI.parse(image)
+
+    if String.contains?(host, "amazonaws.com") and
+         String.contains?(query, "X-Amz-Expires") do
+      image
+    else
+      nil
+    end
+  end
+
+  defp is_aws_signed_url(_), do: nil
+
+  defp parse_query_params(image) do
+    %URI{query: query} = URI.parse(image)
+    query
+  end
+
+  defp format_query_params(query) do
+    query
+    |> String.split(~r/&|=/)
+    |> Enum.chunk_every(2)
+    |> Map.new(fn [k, v] -> {k, v} end)
+  end
+
+  defp get_expiration_timestamp(params) when is_map(params) do
+    {:ok, date} =
+      params
+      |> Map.get("X-Amz-Date")
+      |> Timex.parse("{ISO:Basic:Z}")
+
+    Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))
+  end
+end
diff --git a/lib/pleroma/web/rich_media/parsers/ttl/ttl.ex b/lib/pleroma/web/rich_media/parsers/ttl/ttl.ex
new file mode 100644
index 000000000..6b3ec6d30
--- /dev/null
+++ b/lib/pleroma/web/rich_media/parsers/ttl/ttl.ex
@@ -0,0 +1,3 @@
+defmodule Pleroma.Web.RichMedia.Parser.TTL do
+  @callback ttl(Map.t(), String.t()) :: {:ok, Integer.t()} | {:error, String.t()}
+end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 3e5142e8a..518720d38 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -586,7 +586,7 @@ defmodule Pleroma.Web.Router do
     end
   end
 
-  pipeline :ap_relay do
+  pipeline :ap_service_actor do
     plug(:accepts, ["activity+json", "json"])
   end
 
@@ -617,6 +617,7 @@ defmodule Pleroma.Web.Router do
   pipeline :activitypub do
     plug(:accepts, ["activity+json", "json"])
     plug(Pleroma.Web.Plugs.HTTPSignaturePlug)
+    plug(Pleroma.Web.Plugs.MappedSignatureToIdentityPlug)
   end
 
   scope "/", Pleroma.Web.ActivityPub do
@@ -663,8 +664,17 @@ defmodule Pleroma.Web.Router do
   end
 
   scope "/relay", Pleroma.Web.ActivityPub do
-    pipe_through(:ap_relay)
+    pipe_through(:ap_service_actor)
+
     get("/", ActivityPubController, :relay)
+    post("/inbox", ActivityPubController, :inbox)
+  end
+
+  scope "/internal/fetch", Pleroma.Web.ActivityPub do
+    pipe_through(:ap_service_actor)
+
+    get("/", ActivityPubController, :internal_fetch)
+    post("/inbox", ActivityPubController, :inbox)
   end
 
   scope "/", Pleroma.Web.ActivityPub do
@@ -691,6 +701,8 @@ defmodule Pleroma.Web.Router do
     get("/web/login", MastodonAPIController, :login)
     delete("/auth/sign_out", MastodonAPIController, :logout)
 
+    post("/auth/password", MastodonAPIController, :password_reset)
+
     scope [] do
       pipe_through(:oauth_read_or_public)
       get("/web/*path", MastodonAPIController, :index)
diff --git a/lib/pleroma/web/salmon/salmon.ex b/lib/pleroma/web/salmon/salmon.ex
index e96e4e1e4..9b01ebcc6 100644
--- a/lib/pleroma/web/salmon/salmon.ex
+++ b/lib/pleroma/web/salmon/salmon.ex
@@ -123,11 +123,26 @@ defmodule Pleroma.Web.Salmon do
     {:ok, salmon}
   end
 
-  def remote_users(%{data: %{"to" => to} = data}) do
-    to = to ++ (data["cc"] || [])
+  def remote_users(%User{id: user_id}, %{data: %{"to" => to} = data}) do
+    cc = Map.get(data, "cc", [])
+
+    bcc =
+      data
+      |> Map.get("bcc", [])
+      |> Enum.reduce([], fn ap_id, bcc ->
+        case Pleroma.List.get_by_ap_id(ap_id) do
+          %Pleroma.List{user_id: ^user_id} = list ->
+            {:ok, following} = Pleroma.List.get_following(list)
+            bcc ++ Enum.map(following, & &1.ap_id)
+
+          _ ->
+            bcc
+        end
+      end)
 
-    to
-    |> Enum.map(fn id -> User.get_cached_by_ap_id(id) end)
+    [to, cc, bcc]
+    |> Enum.concat()
+    |> Enum.map(&User.get_cached_by_ap_id/1)
     |> Enum.filter(fn user -> user && !user.local end)
   end
 
@@ -191,7 +206,7 @@ defmodule Pleroma.Web.Salmon do
       {:ok, private, _} = Keys.keys_from_pem(keys)
       {:ok, feed} = encode(private, feed)
 
-      remote_users = remote_users(activity)
+      remote_users = remote_users(user, activity)
 
       salmon_urls = Enum.map(remote_users, & &1.info.salmon)
       reachable_urls_metadata = Instances.filter_reachable(salmon_urls)
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index b1863528f..9e4da7dca 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -7,10 +7,12 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
 
   require Logger
 
-  alias Comeonin.Pbkdf2
   alias Pleroma.Activity
+  alias Pleroma.Config
   alias Pleroma.Emoji
+  alias Pleroma.Healthcheck
   alias Pleroma.Notification
+  alias Pleroma.Plugs.AuthenticationPlug
   alias Pleroma.User
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
@@ -23,7 +25,8 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
   end
 
   def remote_subscribe(conn, %{"nickname" => nick, "profile" => _}) do
-    with %User{} = user <- User.get_cached_by_nickname(nick), avatar = User.avatar_url(user) do
+    with %User{} = user <- User.get_cached_by_nickname(nick),
+         avatar = User.avatar_url(user) do
       conn
       |> render("subscribe.html", %{nickname: nick, avatar: avatar, error: false})
     else
@@ -96,7 +99,7 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
     name = followee.nickname
 
     with %User{} = user <- User.get_cached_by_nickname(username),
-         true <- Pbkdf2.checkpw(password, user.password_hash),
+         true <- AuthenticationPlug.checkpw(password, user.password_hash),
          %User{} = _followed <- User.get_cached_by_id(id),
          {:ok, follower} <- User.follow(user, followee),
          {:ok, _activity} <- ActivityPub.follow(follower, followee) do
@@ -338,20 +341,21 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
   end
 
   def healthcheck(conn, _params) do
-    info =
-      if Pleroma.Config.get([:instance, :healthcheck]) do
-        Pleroma.Healthcheck.system_info()
-      else
-        %{}
-      end
+    with true <- Config.get([:instance, :healthcheck]),
+         %{healthy: true} = info <- Healthcheck.system_info() do
+      json(conn, info)
+    else
+      %{healthy: false} = info ->
+        service_unavailable(conn, info)
 
-    conn =
-      if info[:healthy] do
-        conn
-      else
-        Plug.Conn.put_status(conn, :service_unavailable)
-      end
+      _ ->
+        service_unavailable(conn, %{})
+    end
+  end
 
-    json(conn, info)
+  defp service_unavailable(conn, info) do
+    conn
+    |> put_status(:service_unavailable)
+    |> json(info)
   end
 end
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index 41e1c2877..bb5dda204 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -221,6 +221,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
       user
       |> UserEmail.password_reset_email(token_record.token)
       |> Mailer.deliver_async()
+
+      {:ok, :enqueued}
     else
       false ->
         {:error, "bad user identifier"}
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 45ef7be3d..5dfab6a6c 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -27,6 +27,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
 
   require Logger
 
+  plug(Pleroma.Plugs.RateLimiter, :password_reset when action == :password_reset)
   plug(:only_if_public_instance when action in [:public_timeline, :public_and_external_timeline])
   action_fallback(:errors)
 
@@ -192,6 +193,13 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   end
 
   def notifications(%{assigns: %{user: user}} = conn, params) do
+    params =
+      if Map.has_key?(params, "with_muted") do
+        Map.put(params, :with_muted, params["with_muted"] in [true, "True", "true", "1"])
+      else
+        params
+      end
+
     notifications = Notification.for_user(user, params)
 
     conn
@@ -430,6 +438,12 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
 
     with {:ok, _} <- TwitterAPI.password_reset(nickname_or_email) do
       json_response(conn, :no_content, "")
+    else
+      {:error, "unknown user"} ->
+        send_resp(conn, :not_found, "")
+
+      {:error, _} ->
+        send_resp(conn, :bad_request, "")
     end
   end
 
diff --git a/lib/pleroma/web/uploader_controller.ex b/lib/pleroma/web/uploader_controller.ex
index bf09775e6..0cc172698 100644
--- a/lib/pleroma/web/uploader_controller.ex
+++ b/lib/pleroma/web/uploader_controller.ex
@@ -11,10 +11,6 @@ defmodule Pleroma.Web.UploaderController do
     process_callback(conn, :global.whereis_name({Uploader, upload_path}), params)
   end
 
-  def callbacks(conn, _) do
-    render_error(conn, :bad_request, "bad request")
-  end
-
   defp process_callback(conn, pid, params) when is_pid(pid) do
     send(pid, {Uploader, self(), conn, params})
 
diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex
index 3fca72de8..fa34c7ced 100644
--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@@ -32,7 +32,7 @@ defmodule Pleroma.Web.WebFinger do
 
   def webfinger(resource, fmt) when fmt in ["XML", "JSON"] do
     host = Pleroma.Web.Endpoint.host()
-    regex = ~r/(acct:)?(?<username>\w+)@#{host}/
+    regex = ~r/(acct:)?(?<username>[a-z0-9A-Z_\.-]+)@#{host}/
 
     with %{"username" => username} <- Regex.named_captures(regex, resource),
          %User{} = user <- User.get_cached_by_nickname(username) do