Merge develop

77 files changed, 2088 insertions, 864 deletions

diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex
index ab9a3a7ff..4d480ac3f 100644
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@@ -4,6 +4,10 @@
 
 defmodule Mix.Tasks.Pleroma.Database do
   alias Mix.Tasks.Pleroma.Common
+  alias Pleroma.Conversation
+  alias Pleroma.Object
+  alias Pleroma.Repo
+  alias Pleroma.User
   require Logger
   use Mix.Task
 
@@ -19,6 +23,18 @@ defmodule Mix.Tasks.Pleroma.Database do
 
     Options:
     - `--vacuum` - run `VACUUM FULL` after the embedded objects are replaced with their references
+
+  ## Prune old objects from the database
+
+      mix pleroma.database prune_objects
+
+  ## Create a conversation for all existing DMs. Can be safely re-run.
+
+      mix pleroma.database bump_all_conversations
+
+  ## Remove duplicated items from following and update followers count for all users
+
+      mix pleroma.database update_users_following_followers_counts
   """
   def run(["remove_embedded_objects" | args]) do
     {options, [], []} =
@@ -32,7 +48,7 @@ defmodule Mix.Tasks.Pleroma.Database do
     Common.start_pleroma()
     Logger.info("Removing embedded objects")
 
-    Pleroma.Repo.query!(
+    Repo.query!(
       "update activities set data = jsonb_set(data, '{object}'::text[], data->'object'->'id') where data->'object'->>'id' is not null;",
       [],
       timeout: :infinity
@@ -41,7 +57,62 @@ defmodule Mix.Tasks.Pleroma.Database do
     if Keyword.get(options, :vacuum) do
       Logger.info("Runnning VACUUM FULL")
 
-      Pleroma.Repo.query!(
+      Repo.query!(
+        "vacuum full;",
+        [],
+        timeout: :infinity
+      )
+    end
+  end
+
+  def run(["bump_all_conversations"]) do
+    Common.start_pleroma()
+    Conversation.bump_for_all_activities()
+  end
+
+  def run(["update_users_following_followers_counts"]) do
+    Common.start_pleroma()
+
+    users = Repo.all(User)
+    Enum.each(users, &User.remove_duplicated_following/1)
+    Enum.each(users, &User.update_follower_count/1)
+  end
+
+  def run(["prune_objects" | args]) do
+    import Ecto.Query
+
+    {options, [], []} =
+      OptionParser.parse(
+        args,
+        strict: [
+          vacuum: :boolean
+        ]
+      )
+
+    Common.start_pleroma()
+
+    deadline = Pleroma.Config.get([:instance, :remote_post_retention_days])
+
+    Logger.info("Pruning objects older than #{deadline} days")
+
+    time_deadline =
+      NaiveDateTime.utc_now()
+      |> NaiveDateTime.add(-(deadline * 86_400))
+
+    public = "https://www.w3.org/ns/activitystreams#Public"
+
+    from(o in Object,
+      where: fragment("?->'to' \\? ? OR ?->'cc' \\? ?", o.data, ^public, o.data, ^public),
+      where: o.inserted_at < ^time_deadline,
+      where:
+        fragment("split_part(?->>'actor', '/', 3) != ?", o.data, ^Pleroma.Web.Endpoint.host())
+    )
+    |> Repo.delete_all(timeout: :infinity)
+
+    if Keyword.get(options, :vacuum) do
+      Logger.info("Runnning VACUUM FULL")
+
+      Repo.query!(
         "vacuum full;",
         [],
         timeout: :infinity
diff --git a/lib/mix/tasks/pleroma/emoji.ex b/lib/mix/tasks/pleroma/emoji.ex
index 5cb54c3ca..d2ddf450a 100644
--- a/lib/mix/tasks/pleroma/emoji.ex
+++ b/lib/mix/tasks/pleroma/emoji.ex
@@ -137,7 +137,7 @@ defmodule Mix.Tasks.Pleroma.Emoji do
           ])
         )
 
-        files = Tesla.get!(client(), files_url).body |> Poison.decode!()
+        files = Tesla.get!(client(), files_url).body |> Jason.decode!()
 
         IO.puts(IO.ANSI.format(["Unpacking ", :bright, pack_name]))
 
@@ -239,7 +239,7 @@ defmodule Mix.Tasks.Pleroma.Emoji do
 
     emoji_map = Pleroma.Emoji.make_shortcode_to_file_map(tmp_pack_dir, exts)
 
-    File.write!(files_name, Poison.encode!(emoji_map, pretty: true))
+    File.write!(files_name, Jason.encode!(emoji_map, pretty: true))
 
     IO.puts("""
 
@@ -248,11 +248,11 @@ defmodule Mix.Tasks.Pleroma.Emoji do
     """)
 
     if File.exists?("index.json") do
-      existing_data = File.read!("index.json") |> Poison.decode!()
+      existing_data = File.read!("index.json") |> Jason.decode!()
 
       File.write!(
         "index.json",
-        Poison.encode!(
+        Jason.encode!(
           Map.merge(
             existing_data,
             pack_json
@@ -263,14 +263,14 @@ defmodule Mix.Tasks.Pleroma.Emoji do
 
       IO.puts("index.json file has been update with the #{name} pack")
     else
-      File.write!("index.json", Poison.encode!(pack_json, pretty: true))
+      File.write!("index.json", Jason.encode!(pack_json, pretty: true))
 
       IO.puts("index.json has been created with the #{name} pack")
     end
   end
 
   defp fetch_manifest(from) do
-    Poison.decode!(
+    Jason.decode!(
       if String.starts_with?(from, "http") do
         Tesla.get!(client(), from).body
       else
diff --git a/lib/mix/tasks/pleroma/user.ex b/lib/mix/tasks/pleroma/user.ex
index 6a83a8c0d..25fc40ea7 100644
--- a/lib/mix/tasks/pleroma/user.ex
+++ b/lib/mix/tasks/pleroma/user.ex
@@ -77,6 +77,10 @@ defmodule Mix.Tasks.Pleroma.User do
   ## Delete tags from a user.
 
       mix pleroma.user untag NICKNAME TAGS
+
+  ## Toggle confirmation of the user's account.
+
+      mix pleroma.user toggle_confirmed NICKNAME
   """
   def run(["new", nickname, email | rest]) do
     {options, [], []} =
@@ -138,7 +142,7 @@ defmodule Mix.Tasks.Pleroma.User do
         bio: bio
       }
 
-      changeset = User.register_changeset(%User{}, params, confirmed: true)
+      changeset = User.register_changeset(%User{}, params, need_confirmation: false)
       {:ok, _user} = User.register(changeset)
 
       Mix.shell().info("User #{nickname} created")
@@ -388,6 +392,21 @@ defmodule Mix.Tasks.Pleroma.User do
     end
   end
 
+  def run(["toggle_confirmed", nickname]) do
+    Common.start_pleroma()
+
+    with %User{} = user <- User.get_cached_by_nickname(nickname) do
+      {:ok, user} = User.toggle_confirmation(user)
+
+      message = if user.info.confirmation_pending, do: "needs", else: "doesn't need"
+
+      Mix.shell().info("#{nickname} #{message} confirmation.")
+    else
+      _ ->
+        Mix.shell().error("No local user #{nickname}")
+    end
+  end
+
   defp set_moderator(user, value) do
     info_cng = User.Info.admin_api_update(user.info, %{is_moderator: value})
 
diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index c121e800f..99589590c 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -10,6 +10,7 @@ defmodule Pleroma.Activity do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.ThreadMute
   alias Pleroma.User
 
   import Ecto.Changeset
@@ -37,6 +38,7 @@ defmodule Pleroma.Activity do
     field(:local, :boolean, default: true)
     field(:actor, :string)
     field(:recipients, {:array, :string}, default: [])
+    field(:thread_muted?, :boolean, virtual: true)
     # This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
     has_one(:bookmark, Bookmark)
     has_many(:notifications, Notification, on_delete: :delete_all)
@@ -60,21 +62,24 @@ defmodule Pleroma.Activity do
     timestamps()
   end
 
-  def with_preloaded_object(query) do
-    query
-    |> join(
-      :inner,
-      [activity],
-      o in Object,
+  def with_joined_object(query) do
+    join(query, :inner, [activity], o in Object,
       on:
         fragment(
           "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
           o.data,
           activity.data,
           activity.data
-        )
+        ),
+      as: :object
     )
-    |> preload([activity, object], object: object)
+  end
+
+  def with_preloaded_object(query) do
+    query
+    |> has_named_binding?(:object)
+    |> if(do: query, else: with_joined_object(query))
+    |> preload([activity, object: object], object: object)
   end
 
   def with_preloaded_bookmark(query, %User{} = user) do
@@ -87,6 +92,16 @@ defmodule Pleroma.Activity do
 
   def with_preloaded_bookmark(query, _), do: query
 
+  def with_set_thread_muted_field(query, %User{} = user) do
+    from([a] in query,
+      left_join: tm in ThreadMute,
+      on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data),
+      select: %Activity{a | thread_muted?: not is_nil(tm.id)}
+    )
+  end
+
+  def with_set_thread_muted_field(query, _), do: query
+
   def get_by_ap_id(ap_id) do
     Repo.one(
       from(
@@ -108,7 +123,7 @@ defmodule Pleroma.Activity do
 
   def change(struct, params \\ %{}) do
     struct
-    |> cast(params, [:data])
+    |> cast(params, [:data, :recipients])
     |> validate_required([:data])
     |> unique_constraint(:ap_id, name: :activities_unique_apid_index)
   end
@@ -132,7 +147,10 @@ defmodule Pleroma.Activity do
   end
 
   def get_by_id(id) do
-    Repo.get(Activity, id)
+    Activity
+    |> where([a], a.id == ^id)
+    |> restrict_deactivated_users()
+    |> Repo.one()
   end
 
   def get_by_id_with_object(id) do
@@ -200,6 +218,7 @@ defmodule Pleroma.Activity do
 
   def get_create_by_object_ap_id(ap_id) when is_binary(ap_id) do
     create_by_object_ap_id(ap_id)
+    |> restrict_deactivated_users()
     |> Repo.one()
   end
 
@@ -314,4 +333,14 @@ defmodule Pleroma.Activity do
   def query_by_actor(actor) do
     from(a in Activity, where: a.actor == ^actor)
   end
+
+  def restrict_deactivated_users(query) do
+    from(activity in query,
+      where:
+        fragment(
+          "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
+          activity.actor
+        )
+    )
+  end
 end
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index 299f8807b..acc314df1 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -111,6 +111,7 @@ defmodule Pleroma.Application do
         hackney_pool_children() ++
         [
           worker(Pleroma.Web.Federator.RetryQueue, []),
+          worker(Pleroma.Web.OAuth.Token.CleanWorker, []),
           worker(Pleroma.Stats, []),
           worker(Task, [&Pleroma.Web.Push.init/0], restart: :temporary, id: :web_push_init),
           worker(Task, [&Pleroma.Web.Federator.init/0], restart: :temporary, id: :federator_init)
@@ -134,19 +135,22 @@ defmodule Pleroma.Application do
   defp setup_instrumenters do
     require Prometheus.Registry
 
-    :ok =
-      :telemetry.attach(
-        "prometheus-ecto",
-        [:pleroma, :repo, :query],
-        &Pleroma.Repo.Instrumenter.handle_event/4,
-        %{}
-      )
+    if Application.get_env(:prometheus, Pleroma.Repo.Instrumenter) do
+      :ok =
+        :telemetry.attach(
+          "prometheus-ecto",
+          [:pleroma, :repo, :query],
+          &Pleroma.Repo.Instrumenter.handle_event/4,
+          %{}
+        )
+
+      Pleroma.Repo.Instrumenter.setup()
+    end
 
     Prometheus.Registry.register_collector(:prometheus_process_collector)
     Pleroma.Web.Endpoint.MetricsExporter.setup()
     Pleroma.Web.Endpoint.PipelineInstrumenter.setup()
     Pleroma.Web.Endpoint.Instrumenter.setup()
-    Pleroma.Repo.Instrumenter.setup()
   end
 
   def enabled_hackney_pools do
diff --git a/lib/pleroma/bbs/handler.ex b/lib/pleroma/bbs/handler.ex
index 106fe5d18..f34be961f 100644
--- a/lib/pleroma/bbs/handler.ex
+++ b/lib/pleroma/bbs/handler.ex
@@ -95,7 +95,6 @@ defmodule Pleroma.BBS.Handler do
     activities =
       [user.ap_id | user.following]
       |> ActivityPub.fetch_activities(params)
-      |> ActivityPub.contain_timeline(user)
 
     Enum.each(activities, fn activity ->
       puts_activity(activity)
diff --git a/lib/pleroma/captcha/kocaptcha.ex b/lib/pleroma/captcha/kocaptcha.ex
index 61688e778..18931d5a0 100644
--- a/lib/pleroma/captcha/kocaptcha.ex
+++ b/lib/pleroma/captcha/kocaptcha.ex
@@ -15,7 +15,7 @@ defmodule Pleroma.Captcha.Kocaptcha do
         %{error: "Kocaptcha service unavailable"}
 
       {:ok, res} ->
-        json_resp = Poison.decode!(res.body)
+        json_resp = Jason.decode!(res.body)
 
         %{
           type: :kocaptcha,
diff --git a/lib/pleroma/config.ex b/lib/pleroma/config.ex
index 189faa15f..71a47b9fb 100644
--- a/lib/pleroma/config.ex
+++ b/lib/pleroma/config.ex
@@ -12,8 +12,12 @@ defmodule Pleroma.Config do
   def get([key], default), do: get(key, default)
 
   def get([parent_key | keys], default) do
-    Application.get_env(:pleroma, parent_key)
-    |> get_in(keys) || default
+    case :pleroma
+         |> Application.get_env(parent_key)
+         |> get_in(keys) do
+      nil -> default
+      any -> any
+    end
   end
 
   def get(key, default) do
diff --git a/lib/pleroma/config/deprecation_warnings.ex b/lib/pleroma/config/deprecation_warnings.ex
index 0345ac19c..240fb1c37 100644
--- a/lib/pleroma/config/deprecation_warnings.ex
+++ b/lib/pleroma/config/deprecation_warnings.ex
@@ -5,15 +5,6 @@
 defmodule Pleroma.Config.DeprecationWarnings do
   require Logger
 
-  def check_frontend_config_mechanism do
-    if Pleroma.Config.get(:fe) do
-      Logger.warn("""
-      !!!DEPRECATION WARNING!!!
-      You are using the old configuration mechanism for the frontend. Please check config.md.
-      """)
-    end
-  end
-
   def check_hellthread_threshold do
     if Pleroma.Config.get([:mrf_hellthread, :threshold]) do
       Logger.warn("""
@@ -24,7 +15,6 @@ defmodule Pleroma.Config.DeprecationWarnings do
   end
 
   def warn do
-    check_frontend_config_mechanism()
     check_hellthread_threshold()
   end
 end
diff --git a/lib/pleroma/conversation.ex b/lib/pleroma/conversation.ex
index 6e26c5fd4..238c1acf2 100644
--- a/lib/pleroma/conversation.ex
+++ b/lib/pleroma/conversation.ex
@@ -45,10 +45,10 @@ defmodule Pleroma.Conversation do
   2. Create a participation for all the people involved who don't have one already
   3. Bump all relevant participations to 'unread'
   """
-  def create_or_bump_for(activity) do
+  def create_or_bump_for(activity, opts \\ []) do
     with true <- Pleroma.Web.ActivityPub.Visibility.is_direct?(activity),
-         object <- Pleroma.Object.normalize(activity),
          "Create" <- activity.data["type"],
+         object <- Pleroma.Object.normalize(activity),
          "Note" <- object.data["type"],
          ap_id when is_binary(ap_id) and byte_size(ap_id) > 0 <- object.data["context"] do
       {:ok, conversation} = create_for_ap_id(ap_id)
@@ -58,7 +58,7 @@ defmodule Pleroma.Conversation do
       participations =
         Enum.map(users, fn user ->
           {:ok, participation} =
-            Participation.create_for_user_and_conversation(user, conversation)
+            Participation.create_for_user_and_conversation(user, conversation, opts)
 
           participation
         end)
@@ -72,4 +72,21 @@ defmodule Pleroma.Conversation do
       e -> {:error, e}
     end
   end
+
+  @doc """
+  This is only meant to be run by a mix task. It creates conversations/participations for all direct messages in the database.
+  """
+  def bump_for_all_activities do
+    stream =
+      Pleroma.Web.ActivityPub.ActivityPub.fetch_direct_messages_query()
+      |> Repo.stream()
+
+    Repo.transaction(
+      fn ->
+        stream
+        |> Enum.each(fn a -> create_or_bump_for(a, read: true) end)
+      end,
+      timeout: :infinity
+    )
+  end
 end
diff --git a/lib/pleroma/conversation/participation.ex b/lib/pleroma/conversation/participation.ex
index 61021fb18..2a11f9069 100644
--- a/lib/pleroma/conversation/participation.ex
+++ b/lib/pleroma/conversation/participation.ex
@@ -22,15 +22,17 @@ defmodule Pleroma.Conversation.Participation do
 
   def creation_cng(struct, params) do
     struct
-    |> cast(params, [:user_id, :conversation_id])
+    |> cast(params, [:user_id, :conversation_id, :read])
     |> validate_required([:user_id, :conversation_id])
   end
 
-  def create_for_user_and_conversation(user, conversation) do
+  def create_for_user_and_conversation(user, conversation, opts \\ []) do
+    read = !!opts[:read]
+
     %__MODULE__{}
-    |> creation_cng(%{user_id: user.id, conversation_id: conversation.id})
+    |> creation_cng(%{user_id: user.id, conversation_id: conversation.id, read: read})
     |> Repo.insert(
-      on_conflict: [set: [read: false, updated_at: NaiveDateTime.utc_now()]],
+      on_conflict: [set: [read: read, updated_at: NaiveDateTime.utc_now()]],
       returning: true,
       conflict_target: [:user_id, :conversation_id]
     )
diff --git a/lib/pleroma/emails/admin_email.ex b/lib/pleroma/emails/admin_email.ex
index df0f72f96..d0e254362 100644
--- a/lib/pleroma/emails/admin_email.ex
+++ b/lib/pleroma/emails/admin_email.ex
@@ -29,7 +29,7 @@ defmodule Pleroma.Emails.AdminEmail do
       end
 
     statuses_html =
-      if length(statuses) > 0 do
+      if is_list(statuses) && length(statuses) > 0 do
         statuses_list_html =
           statuses
           |> Enum.map(fn
diff --git a/lib/pleroma/filter.ex b/lib/pleroma/filter.ex
index 79efc29f0..90457dadf 100644
--- a/lib/pleroma/filter.ex
+++ b/lib/pleroma/filter.ex
@@ -38,7 +38,8 @@ defmodule Pleroma.Filter do
     query =
       from(
         f in Pleroma.Filter,
-        where: f.user_id == ^user_id
+        where: f.user_id == ^user_id,
+        order_by: [desc: :id]
       )
 
     Repo.all(query)
diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 3d7c36d21..607843a5b 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -8,7 +8,7 @@ defmodule Pleroma.Formatter do
   alias Pleroma.User
   alias Pleroma.Web.MediaProxy
 
-  @safe_mention_regex ~r/^(\s*(?<mentions>@.+?\s+)+)(?<rest>.*)/
+  @safe_mention_regex ~r/^(\s*(?<mentions>(@.+?\s+){1,})+)(?<rest>.*)/s
   @link_regex ~r"((?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~%:/?#[\]@!\$&'\(\)\*\+,;=.]+)|[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+"ui
   @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
 
diff --git a/lib/pleroma/gopher/server.ex b/lib/pleroma/gopher/server.ex
index 1d2e0785c..b3319e137 100644
--- a/lib/pleroma/gopher/server.ex
+++ b/lib/pleroma/gopher/server.ex
@@ -77,13 +77,13 @@ defmodule Pleroma.Gopher.Server.ProtocolHandler do
       user = User.get_cached_by_ap_id(activity.data["actor"])
 
       object = Object.normalize(activity)
-      like_count = object["like_count"] || 0
-      announcement_count = object["announcement_count"] || 0
+      like_count = object.data["like_count"] || 0
+      announcement_count = object.data["announcement_count"] || 0
 
       link("Post ##{activity.id} by #{user.nickname}", "/notices/#{activity.id}") <>
         info("#{like_count} likes, #{announcement_count} repeats") <>
         "i\tfake\t(NULL)\t0\r\n" <>
-        info(HTML.strip_tags(String.replace(object["content"], "<br>", "\r")))
+        info(HTML.strip_tags(String.replace(object.data["content"], "<br>", "\r")))
     end)
     |> Enum.join("i\tfake\t(NULL)\t0\r\n")
   end
diff --git a/lib/pleroma/http/connection.ex b/lib/pleroma/http/connection.ex
index c0173465a..c216cdcb1 100644
--- a/lib/pleroma/http/connection.ex
+++ b/lib/pleroma/http/connection.ex
@@ -8,7 +8,7 @@ defmodule Pleroma.HTTP.Connection do
   """
 
   @hackney_options [
-    connect_timeout: 2_000,
+    connect_timeout: 10_000,
     recv_timeout: 20_000,
     follow_redirect: true,
     pool: :federation
@@ -32,9 +32,11 @@ defmodule Pleroma.HTTP.Connection do
   defp 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)
 
     @hackney_options
     |> Keyword.merge(adapter_options)
     |> Keyword.merge(options)
+    |> Keyword.merge(proxy: proxy_url)
   end
 end
diff --git a/lib/pleroma/http/request_builder.ex b/lib/pleroma/http/request_builder.ex
index 5f2cff2c0..e23457999 100644
--- a/lib/pleroma/http/request_builder.ex
+++ b/lib/pleroma/http/request_builder.ex
@@ -45,8 +45,15 @@ defmodule Pleroma.HTTP.RequestBuilder do
   Add headers to the request
   """
   @spec headers(map(), list(tuple)) :: map()
-  def headers(request, h) do
-    Map.put_new(request, :headers, h)
+  def headers(request, header_list) do
+    header_list =
+      if Pleroma.Config.get([:http, :send_user_agent]) do
+        header_list ++ [{"User-Agent", Pleroma.Application.user_agent()}]
+      else
+        header_list
+      end
+
+    Map.put_new(request, :headers, header_list)
   end
 
   @doc """
diff --git a/lib/pleroma/keys.ex b/lib/pleroma/keys.ex
new file mode 100644
index 000000000..b7bc7a4da
--- /dev/null
+++ b/lib/pleroma/keys.ex
@@ -0,0 +1,44 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Keys do
+  # Native generation of RSA keys is only available since OTP 20+ and in default build conditions
+  # We try at compile time to generate natively an RSA key otherwise we fallback on the old way.
+  try do
+    _ = :public_key.generate_key({:rsa, 2048, 65_537})
+
+    def generate_rsa_pem do
+      key = :public_key.generate_key({:rsa, 2048, 65_537})
+      entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
+      pem = :public_key.pem_encode([entry]) |> String.trim_trailing()
+      {:ok, pem}
+    end
+  rescue
+    _ ->
+      def generate_rsa_pem do
+        port = Port.open({:spawn, "openssl genrsa"}, [:binary])
+
+        {:ok, pem} =
+          receive do
+            {^port, {:data, pem}} -> {:ok, pem}
+          end
+
+        Port.close(port)
+
+        if Regex.match?(~r/RSA PRIVATE KEY/, pem) do
+          {:ok, pem}
+        else
+          :error
+        end
+      end
+  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}
+  end
+end
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index bf45be961..6b6607f0f 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -35,6 +35,13 @@ defmodule Pleroma.Notification do
   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:
diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 740d687a3..cc6fc9c5d 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -130,6 +130,13 @@ defmodule Pleroma.Object do
     end
   end
 
+  def prune(%Object{data: %{"id" => id}} = object) do
+    with {:ok, object} <- Repo.delete(object),
+         {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
+      {:ok, object}
+    end
+  end
+
   def set_cache(%Object{data: %{"id" => ap_id}} = object) do
     Cachex.put(:object_cache, "object:#{ap_id}", object)
     {:ok, object}
diff --git a/lib/pleroma/object/fetcher.ex b/lib/pleroma/object/fetcher.ex
index 8d4bcc95e..ca980c629 100644
--- a/lib/pleroma/object/fetcher.ex
+++ b/lib/pleroma/object/fetcher.ex
@@ -1,4 +1,5 @@
 defmodule Pleroma.Object.Fetcher do
+  alias Pleroma.HTTP
   alias Pleroma.Object
   alias Pleroma.Object.Containment
   alias Pleroma.Web.ActivityPub.Transmogrifier
@@ -6,7 +7,18 @@ defmodule Pleroma.Object.Fetcher do
 
   require Logger
 
-  @httpoison Application.get_env(:pleroma, :httpoison)
+  defp reinject_object(data) do
+    Logger.debug("Reinjecting object #{data["id"]}")
+
+    with data <- Transmogrifier.fix_object(data),
+         {:ok, object} <- Object.create(data) do
+      {:ok, object}
+    else
+      e ->
+        Logger.error("Error while processing object: #{inspect(e)}")
+        {:error, e}
+    end
+  end
 
   # TODO:
   # This will create a Create activity, which we need internally at the moment.
@@ -26,12 +38,17 @@ defmodule Pleroma.Object.Fetcher do
              "object" => data
            },
            :ok <- Containment.contain_origin(id, params),
-           {:ok, activity} <- Transmogrifier.handle_incoming(params) do
-        {:ok, Object.normalize(activity, false)}
+           {:ok, activity} <- Transmogrifier.handle_incoming(params),
+           {:object, _data, %Object{} = object} <-
+             {:object, data, Object.normalize(activity, false)} do
+        {:ok, object}
       else
         {:error, {:reject, nil}} ->
           {:reject, nil}
 
+        {:object, data, nil} ->
+          reinject_object(data)
+
         object = %Object{} ->
           {:ok, object}
 
@@ -60,7 +77,7 @@ defmodule Pleroma.Object.Fetcher do
 
     with true <- String.starts_with?(id, "http"),
          {:ok, %{body: body, status: code}} when code in 200..299 <-
-           @httpoison.get(
+           HTTP.get(
              id,
              [{:Accept, "application/activity+json"}]
            ),
diff --git a/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex b/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex
new file mode 100644
index 000000000..317fd5445
--- /dev/null
+++ b/lib/pleroma/plugs/ensure_public_or_authenticated_plug.ex
@@ -0,0 +1,31 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug do
+  import Plug.Conn
+  alias Pleroma.Config
+  alias Pleroma.User
+
+  def init(options) do
+    options
+  end
+
+  def call(conn, _) do
+    public? = Config.get!([:instance, :public])
+
+    case {public?, conn} do
+      {true, _} ->
+        conn
+
+      {false, %{assigns: %{user: %User{}}}} ->
+        conn
+
+      {false, _} ->
+        conn
+        |> put_resp_content_type("application/json")
+        |> send_resp(403, Jason.encode!(%{error: "This resource requires authentication."}))
+        |> halt
+    end
+  end
+end
diff --git a/lib/pleroma/plugs/http_security_plug.ex b/lib/pleroma/plugs/http_security_plug.ex
index a476f1d49..485ddfbc7 100644
--- a/lib/pleroma/plugs/http_security_plug.ex
+++ b/lib/pleroma/plugs/http_security_plug.ex
@@ -20,8 +20,9 @@ defmodule Pleroma.Plugs.HTTPSecurityPlug do
 
   defp headers do
     referrer_policy = Config.get([:http_security, :referrer_policy])
+    report_uri = Config.get([:http_security, :report_uri])
 
-    [
+    headers = [
       {"x-xss-protection", "1; mode=block"},
       {"x-permitted-cross-domain-policies", "none"},
       {"x-frame-options", "DENY"},
@@ -30,12 +31,27 @@ defmodule Pleroma.Plugs.HTTPSecurityPlug do
       {"x-download-options", "noopen"},
       {"content-security-policy", csp_string() <> ";"}
     ]
+
+    if report_uri do
+      report_group = %{
+        "group" => "csp-endpoint",
+        "max-age" => 10_886_400,
+        "endpoints" => [
+          %{"url" => report_uri}
+        ]
+      }
+
+      headers ++ [{"reply-to", Jason.encode!(report_group)}]
+    else
+      headers
+    end
   end
 
   defp csp_string do
     scheme = Config.get([Pleroma.Web.Endpoint, :url])[:scheme]
     static_url = Pleroma.Web.Endpoint.static_url()
     websocket_url = Pleroma.Web.Endpoint.websocket_url()
+    report_uri = Config.get([:http_security, :report_uri])
 
     connect_src = "connect-src 'self' #{static_url} #{websocket_url}"
 
@@ -53,7 +69,7 @@ defmodule Pleroma.Plugs.HTTPSecurityPlug do
         "script-src 'self'"
       end
 
-    [
+    main_part = [
       "default-src 'none'",
       "base-uri 'self'",
       "frame-ancestors 'none'",
@@ -63,11 +79,14 @@ defmodule Pleroma.Plugs.HTTPSecurityPlug do
       "font-src 'self'",
       "manifest-src 'self'",
       connect_src,
-      script_src,
-      if scheme == "https" do
-        "upgrade-insecure-requests"
-      end
+      script_src
     ]
+
+    report = if report_uri, do: ["report-uri #{report_uri}; report-to csp-endpoint"], else: []
+
+    insecure = if scheme == "https", do: ["upgrade-insecure-requests"], else: []
+
+    (main_part ++ report ++ insecure)
     |> Enum.join("; ")
   end
 
diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index 21c195713..e2874c469 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -4,7 +4,6 @@
 
 defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
   alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.HTTPSignatures
   import Plug.Conn
   require Logger
 
diff --git a/lib/pleroma/plugs/oauth_plug.ex b/lib/pleroma/plugs/oauth_plug.ex
index 9d43732eb..86bc4aa3a 100644
--- a/lib/pleroma/plugs/oauth_plug.ex
+++ b/lib/pleroma/plugs/oauth_plug.ex
@@ -8,6 +8,7 @@ defmodule Pleroma.Plugs.OAuthPlug do
 
   alias Pleroma.Repo
   alias Pleroma.User
+  alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Token
 
   @realm_reg Regex.compile!("Bearer\:?\s+(.*)$", "i")
@@ -22,18 +23,39 @@ defmodule Pleroma.Plugs.OAuthPlug do
       |> assign(:token, token_record)
       |> assign(:user, user)
     else
-      _ -> conn
+      _ ->
+        # token found, but maybe only with app
+        with {:ok, app, token_record} <- fetch_app_and_token(access_token) do
+          conn
+          |> assign(:token, token_record)
+          |> assign(:app, app)
+        else
+          _ -> conn
+        end
     end
   end
 
   def call(conn, _) do
-    with {:ok, token_str} <- fetch_token_str(conn),
-         {:ok, user, token_record} <- fetch_user_and_token(token_str) do
-      conn
-      |> assign(:token, token_record)
-      |> assign(:user, user)
-    else
-      _ -> conn
+    case fetch_token_str(conn) do
+      {:ok, token} ->
+        with {:ok, user, token_record} <- fetch_user_and_token(token) do
+          conn
+          |> assign(:token, token_record)
+          |> assign(:user, user)
+        else
+          _ ->
+            # token found, but maybe only with app
+            with {:ok, app, token_record} <- fetch_app_and_token(token) do
+              conn
+              |> assign(:token, token_record)
+              |> assign(:app, app)
+            else
+              _ -> conn
+            end
+        end
+
+      _ ->
+        conn
     end
   end
 
@@ -54,6 +76,16 @@ defmodule Pleroma.Plugs.OAuthPlug do
     end
   end
 
+  @spec fetch_app_and_token(String.t()) :: {:ok, App.t(), Token.t()} | nil
+  defp fetch_app_and_token(token) do
+    query =
+      from(t in Token, where: t.token == ^token, join: app in assoc(t, :app), preload: [app: app])
+
+    with %Token{app: app} = token_record <- Repo.one(query) do
+      {:ok, app, token_record}
+    end
+  end
+
   # Gets token from session by :oauth_token key
   #
   @spec fetch_token_from_session(Plug.Conn.t()) :: :no_token_found | {:ok, String.t()}
diff --git a/lib/pleroma/plugs/rate_limit_plug.ex b/lib/pleroma/plugs/rate_limit_plug.ex
new file mode 100644
index 000000000..466f64a79
--- /dev/null
+++ b/lib/pleroma/plugs/rate_limit_plug.ex
@@ -0,0 +1,36 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Plugs.RateLimitPlug do
+  import Phoenix.Controller, only: [json: 2]
+  import Plug.Conn
+
+  def init(opts), do: opts
+
+  def call(conn, opts) do
+    enabled? = Pleroma.Config.get([:app_account_creation, :enabled])
+
+    case check_rate(conn, Map.put(opts, :enabled, enabled?)) do
+      {:ok, _count} -> conn
+      {:error, _count} -> render_error(conn)
+      %Plug.Conn{} = conn -> conn
+    end
+  end
+
+  defp check_rate(conn, %{enabled: true} = opts) do
+    max_requests = opts[:max_requests]
+    bucket_name = conn.remote_ip |> Tuple.to_list() |> Enum.join(".")
+
+    ExRated.check_rate(bucket_name, opts[:interval] * 1000, max_requests)
+  end
+
+  defp check_rate(conn, _), do: conn
+
+  defp render_error(conn) do
+    conn
+    |> put_status(:forbidden)
+    |> json(%{error: "Rate limit exceeded."})
+    |> halt()
+  end
+end
diff --git a/lib/pleroma/reverse_proxy.ex b/lib/pleroma/reverse_proxy.ex
index a3f177fec..6e5feb4c3 100644
--- a/lib/pleroma/reverse_proxy.ex
+++ b/lib/pleroma/reverse_proxy.ex
@@ -3,6 +3,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.ReverseProxy do
+  alias Pleroma.HTTP
+
   @keep_req_headers ~w(accept user-agent accept-encoding cache-control if-modified-since) ++
                       ~w(if-unmodified-since if-none-match if-range range)
   @resp_cache_headers ~w(etag date last-modified cache-control)
@@ -60,7 +62,6 @@ defmodule Pleroma.ReverseProxy do
 
   """
   @hackney Application.get_env(:pleroma, :hackney, :hackney)
-  @httpoison Application.get_env(:pleroma, :httpoison, HTTPoison)
 
   @default_hackney_options []
 
@@ -97,7 +98,7 @@ defmodule Pleroma.ReverseProxy do
     hackney_opts =
       @default_hackney_options
       |> Keyword.merge(Keyword.get(opts, :http, []))
-      |> @httpoison.process_request_options()
+      |> HTTP.process_request_options()
 
     req_headers = build_req_headers(conn.req_headers, opts)
 
diff --git a/lib/pleroma/signature.ex b/lib/pleroma/signature.ex
new file mode 100644
index 000000000..1a4d54c62
--- /dev/null
+++ b/lib/pleroma/signature.ex
@@ -0,0 +1,40 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Signature do
+  @behaviour HTTPSignatures.Adapter
+
+  alias Pleroma.Keys
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Utils
+
+  def fetch_public_key(conn) do
+    with actor_id <- Utils.get_ap_id(conn.params["actor"]),
+         {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
+      {:ok, public_key}
+    else
+      e ->
+        {:error, e}
+    end
+  end
+
+  def refetch_public_key(conn) do
+    with actor_id <- Utils.get_ap_id(conn.params["actor"]),
+         {: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}
+    else
+      e ->
+        {:error, e}
+    end
+  end
+
+  def sign(%User{} = user, headers) do
+    with {:ok, %{info: %{keys: keys}}} <- User.ensure_keys_present(user),
+         {:ok, private_key, _} <- Keys.keys_from_pem(keys) do
+      HTTPSignatures.sign(private_key, user.ap_id <> "#main-key", headers)
+    end
+  end
+end
diff --git a/lib/pleroma/uploaders/mdii.ex b/lib/pleroma/uploaders/mdii.ex
index 190ed9f3a..237544337 100644
--- a/lib/pleroma/uploaders/mdii.ex
+++ b/lib/pleroma/uploaders/mdii.ex
@@ -4,11 +4,10 @@
 
 defmodule Pleroma.Uploaders.MDII do
   alias Pleroma.Config
+  alias Pleroma.HTTP
 
   @behaviour Pleroma.Uploaders.Uploader
 
-  @httpoison Application.get_env(:pleroma, :httpoison)
-
   # MDII-hosted images are never passed through the MediaPlug; only local media.
   # Delegate to Pleroma.Uploaders.Local
   def get_file(file) do
@@ -25,7 +24,7 @@ defmodule Pleroma.Uploaders.MDII do
     query = "#{cgi}?#{extension}"
 
     with {:ok, %{status: 200, body: body}} <-
-           @httpoison.post(query, file_data, [], adapter: [pool: :default]) do
+           HTTP.post(query, file_data, [], adapter: [pool: :default]) do
       remote_file_name = String.split(body) |> List.first()
       public_url = "#{files}/#{remote_file_name}.#{extension}"
       {:ok, {:url, public_url}}
diff --git a/lib/pleroma/uploaders/swift/keystone.ex b/lib/pleroma/uploaders/swift/keystone.ex
index 3046cdbd2..dd44c7561 100644
--- a/lib/pleroma/uploaders/swift/keystone.ex
+++ b/lib/pleroma/uploaders/swift/keystone.ex
@@ -14,7 +14,7 @@ defmodule Pleroma.Uploaders.Swift.Keystone do
 
   def process_response_body(body) do
     body
-    |> Poison.decode!()
+    |> Jason.decode!()
   end
 
   def get_token do
@@ -38,7 +38,7 @@ defmodule Pleroma.Uploaders.Swift.Keystone do
   end
 
   def make_auth_body(username, password, tenant) do
-    Poison.encode!(%{
+    Jason.encode!(%{
       :auth => %{
         :passwordCredentials => %{
           :username => username,
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index b23a70067..e5b1219b2 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -10,6 +10,7 @@ defmodule Pleroma.User do
 
   alias Comeonin.Pbkdf2
   alias Pleroma.Activity
+  alias Pleroma.Keys
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Registration
@@ -56,7 +57,7 @@ defmodule Pleroma.User do
     field(:last_digest_emailed_at, :naive_datetime)
     has_many(:notifications, Notification)
     has_many(:registrations, Registration)
-    embeds_one(:info, Pleroma.User.Info)
+    embeds_one(:info, User.Info)
 
     timestamps()
   end
@@ -106,10 +107,8 @@ defmodule Pleroma.User do
   def ap_followers(%User{} = user), do: "#{ap_id(user)}/followers"
 
   def user_info(%User{} = user) do
-    oneself = if user.local, do: 1, else: 0
-
     %{
-      following_count: length(user.following) - oneself,
+      following_count: following_count(user),
       note_count: user.info.note_count,
       follower_count: user.info.follower_count,
       locked: user.info.locked,
@@ -118,6 +117,20 @@ defmodule Pleroma.User do
     }
   end
 
+  def restrict_deactivated(query) do
+    from(u in query,
+      where: not fragment("? \\? 'deactivated' AND ?->'deactivated' @> 'true'", u.info, u.info)
+    )
+  end
+
+  def following_count(%User{following: []}), do: 0
+
+  def following_count(%User{} = user) do
+    user
+    |> get_friends_query()
+    |> Repo.aggregate(:count, :id)
+  end
+
   def remote_user_creation(params) do
     params =
       params
@@ -155,7 +168,7 @@ defmodule Pleroma.User do
 
   def update_changeset(struct, params \\ %{}) do
     struct
-    |> cast(params, [:bio, :name, :avatar])
+    |> cast(params, [:bio, :name, :avatar, :following])
     |> unique_constraint(:nickname)
     |> validate_format(:nickname, local_nickname_regex())
     |> validate_length(:bio, max: 5000)
@@ -205,14 +218,15 @@ defmodule Pleroma.User do
   end
 
   def register_changeset(struct, params \\ %{}, opts \\ []) do
-    confirmation_status =
-      if opts[:confirmed] || !Pleroma.Config.get([:instance, :account_activation_required]) do
-        :confirmed
+    need_confirmation? =
+      if is_nil(opts[:need_confirmation]) do
+        Pleroma.Config.get([:instance, :account_activation_required])
       else
-        :unconfirmed
+        opts[:need_confirmation]
       end
 
-    info_change = User.Info.confirmation_changeset(%User.Info{}, confirmation_status)
+    info_change =
+      User.Info.confirmation_changeset(%User.Info{}, need_confirmation: need_confirmation?)
 
     changeset =
       struct
@@ -221,7 +235,7 @@ defmodule Pleroma.User do
       |> validate_confirmation(:password)
       |> unique_constraint(:email)
       |> unique_constraint(:nickname)
-      |> validate_exclusion(:nickname, Pleroma.Config.get([Pleroma.User, :restricted_nicknames]))
+      |> validate_exclusion(:nickname, Pleroma.Config.get([User, :restricted_nicknames]))
       |> validate_format(:nickname, local_nickname_regex())
       |> validate_format(:email, @email_regex)
       |> validate_length(:bio, max: 1000)
@@ -255,7 +269,7 @@ defmodule Pleroma.User do
     candidates = Pleroma.Config.get([:instance, :autofollowed_nicknames])
 
     autofollowed_users =
-      User.Query.build(%{nickname: candidates, local: true})
+      User.Query.build(%{nickname: candidates, local: true, deactivated: false})
       |> Repo.all()
 
     follow_all(user, autofollowed_users)
@@ -266,7 +280,7 @@ defmodule Pleroma.User do
     with {:ok, user} <- Repo.insert(changeset),
          {:ok, user} <- autofollow_users(user),
          {:ok, user} <- set_cache(user),
-         {:ok, _} <- Pleroma.User.WelcomeMessage.post_welcome_message_to_user(user),
+         {:ok, _} <- User.WelcomeMessage.post_welcome_message_to_user(user),
          {:ok, _} <- try_send_confirmation_email(user) do
       {:ok, user}
     end
@@ -413,24 +427,6 @@ defmodule Pleroma.User do
     Enum.member?(follower.following, followed.follower_address)
   end
 
-  def follow_import(%User{} = follower, followed_identifiers)
-      when is_list(followed_identifiers) do
-    Enum.map(
-      followed_identifiers,
-      fn followed_identifier ->
-        with {:ok, %User{} = followed} <- get_or_fetch(followed_identifier),
-             {:ok, follower} <- maybe_direct_follow(follower, followed),
-             {:ok, _} <- ActivityPub.follow(follower, followed) do
-          followed
-        else
-          err ->
-            Logger.debug("follow_import failed for #{followed_identifier} with: #{inspect(err)}")
-            err
-        end
-      end
-    )
-  end
-
   def locked?(%User{} = user) do
     user.info.locked || false
   end
@@ -552,8 +548,7 @@ defmodule Pleroma.User do
         with [_nick, _domain] <- String.split(nickname, "@"),
              {:ok, user} <- fetch_by_nickname(nickname) do
           if Pleroma.Config.get([:fetch_initial_posts, :enabled]) do
-            # TODO turn into job
-            {:ok, _} = Task.start(__MODULE__, :fetch_initial_posts, [user])
+            fetch_initial_posts(user)
           end
 
           {:ok, user}
@@ -564,19 +559,12 @@ defmodule Pleroma.User do
   end
 
   @doc "Fetch some posts when the user has just been federated with"
-  def fetch_initial_posts(user) do
-    pages = Pleroma.Config.get!([:fetch_initial_posts, :pages])
-
-    Enum.each(
-      # Insert all the posts in reverse order, so they're in the right order on the timeline
-      Enum.reverse(Utils.fetch_ordered_collection(user.info.source_data["outbox"], pages)),
-      &Pleroma.Web.Federator.incoming_ap_doc/1
-    )
-  end
+  def fetch_initial_posts(user),
+    do: PleromaJobQueue.enqueue(:background, __MODULE__, [:fetch_initial_posts, user])
 
   @spec get_followers_query(User.t(), pos_integer() | nil) :: Ecto.Query.t()
   def get_followers_query(%User{} = user, nil) do
-    User.Query.build(%{followers: user})
+    User.Query.build(%{followers: user, deactivated: false})
   end
 
   def get_followers_query(user, page) do
@@ -601,7 +589,7 @@ defmodule Pleroma.User do
 
   @spec get_friends_query(User.t(), pos_integer() | nil) :: Ecto.Query.t()
   def get_friends_query(%User{} = user, nil) do
-    User.Query.build(%{friends: user})
+    User.Query.build(%{friends: user, deactivated: false})
   end
 
   def get_friends_query(user, page) do
@@ -691,16 +679,16 @@ defmodule Pleroma.User do
 
     info_cng = User.Info.set_note_count(user.info, note_count)
 
-    cng =
-      change(user)
-      |> put_embed(:info, info_cng)
-
-    update_and_set_cache(cng)
+    user
+    |> change()
+    |> put_embed(:info, info_cng)
+    |> update_and_set_cache()
   end
 
   def update_follower_count(%User{} = user) do
     follower_count_query =
-      User.Query.build(%{followers: user}) |> select([u], %{count: count(u.id)})
+      User.Query.build(%{followers: user, deactivated: false})
+      |> select([u], %{count: count(u.id)})
 
     User
     |> where(id: ^user.id)
@@ -723,9 +711,21 @@ defmodule Pleroma.User do
     end
   end
 
+  def remove_duplicated_following(%User{following: following} = user) do
+    uniq_following = Enum.uniq(following)
+
+    if length(following) == length(uniq_following) do
+      {:ok, user}
+    else
+      user
+      |> update_changeset(%{following: uniq_following})
+      |> update_and_set_cache()
+    end
+  end
+
   @spec get_users_from_set([String.t()], boolean()) :: [User.t()]
   def get_users_from_set(ap_ids, local_only \\ true) do
-    criteria = %{ap_id: ap_ids}
+    criteria = %{ap_id: ap_ids, deactivated: false}
     criteria = if local_only, do: Map.put(criteria, :local, true), else: criteria
 
     User.Query.build(criteria)
@@ -734,7 +734,7 @@ defmodule Pleroma.User do
 
   @spec get_recipients_from_activity(Activity.t()) :: [User.t()]
   def get_recipients_from_activity(%Activity{recipients: to}) do
-    User.Query.build(%{recipients_from_activity: to, local: true})
+    User.Query.build(%{recipients_from_activity: to, local: true, deactivated: false})
     |> Repo.all()
   end
 
@@ -832,6 +832,7 @@ defmodule Pleroma.User do
           ^processed_query
         )
     )
+    |> restrict_deactivated()
   end
 
   defp trigram_search_subquery(term) do
@@ -850,23 +851,7 @@ defmodule Pleroma.User do
       },
       where: fragment("trim(? || ' ' || coalesce(?, '')) % ?", u.nickname, u.name, ^term)
     )
-  end
-
-  def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers) do
-    Enum.map(
-      blocked_identifiers,
-      fn blocked_identifier ->
-        with {:ok, %User{} = blocked} <- get_or_fetch(blocked_identifier),
-             {:ok, blocker} <- block(blocker, blocked),
-             {:ok, _} <- ActivityPub.block(blocker, blocked) do
-          blocked
-        else
-          err ->
-            Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
-            err
-        end
-      end
-    )
+    |> restrict_deactivated()
   end
 
   def mute(muter, %User{ap_id: ap_id}) do
@@ -999,19 +984,19 @@ defmodule Pleroma.User do
 
   @spec muted_users(User.t()) :: [User.t()]
   def muted_users(user) do
-    User.Query.build(%{ap_id: user.info.mutes})
+    User.Query.build(%{ap_id: user.info.mutes, deactivated: false})
     |> Repo.all()
   end
 
   @spec blocked_users(User.t()) :: [User.t()]
   def blocked_users(user) do
-    User.Query.build(%{ap_id: user.info.blocks})
+    User.Query.build(%{ap_id: user.info.blocks, deactivated: false})
     |> Repo.all()
   end
 
   @spec subscribers(User.t()) :: [User.t()]
   def subscribers(user) do
-    User.Query.build(%{ap_id: user.info.subscribers})
+    User.Query.build(%{ap_id: user.info.subscribers, deactivated: false})
     |> Repo.all()
   end
 
@@ -1039,14 +1024,25 @@ defmodule Pleroma.User do
     update_and_set_cache(cng)
   end
 
+  def deactivate_async(user, status \\ true) do
+    PleromaJobQueue.enqueue(:background, __MODULE__, [:deactivate_async, user, status])
+  end
+
   def deactivate(%User{} = user, status \\ true) do
     info_cng = User.Info.set_activation_status(user.info, status)
 
-    cng =
-      change(user)
-      |> put_embed(:info, info_cng)
+    with {:ok, friends} <- User.get_friends(user),
+         {:ok, followers} <- User.get_followers(user),
+         {:ok, user} <-
+           user
+           |> change()
+           |> put_embed(:info, info_cng)
+           |> update_and_set_cache() do
+      Enum.each(followers, &invalidate_cache(&1))
+      Enum.each(friends, &update_follower_count(&1))
 
-    update_and_set_cache(cng)
+      {:ok, user}
+    end
   end
 
   def update_notification_settings(%User{} = user, settings \\ %{}) do
@@ -1077,11 +1073,79 @@ defmodule Pleroma.User do
     delete_user_activities(user)
   end
 
+  @spec perform(atom(), User.t()) :: {:ok, User.t()}
+  def perform(:fetch_initial_posts, %User{} = user) do
+    pages = Pleroma.Config.get!([:fetch_initial_posts, :pages])
+
+    Enum.each(
+      # Insert all the posts in reverse order, so they're in the right order on the timeline
+      Enum.reverse(Utils.fetch_ordered_collection(user.info.source_data["outbox"], pages)),
+      &Pleroma.Web.Federator.incoming_ap_doc/1
+    )
+
+    {:ok, user}
+  end
+
+  def perform(:deactivate_async, user, status), do: deactivate(user, status)
+
+  @spec perform(atom(), User.t(), list()) :: list() | {:error, any()}
+  def perform(:blocks_import, %User{} = blocker, blocked_identifiers)
+      when is_list(blocked_identifiers) do
+    Enum.map(
+      blocked_identifiers,
+      fn blocked_identifier ->
+        with {:ok, %User{} = blocked} <- get_or_fetch(blocked_identifier),
+             {:ok, blocker} <- block(blocker, blocked),
+             {:ok, _} <- ActivityPub.block(blocker, blocked) do
+          blocked
+        else
+          err ->
+            Logger.debug("blocks_import failed for #{blocked_identifier} with: #{inspect(err)}")
+            err
+        end
+      end
+    )
+  end
+
+  @spec perform(atom(), User.t(), list()) :: list() | {:error, any()}
+  def perform(:follow_import, %User{} = follower, followed_identifiers)
+      when is_list(followed_identifiers) do
+    Enum.map(
+      followed_identifiers,
+      fn followed_identifier ->
+        with {:ok, %User{} = followed} <- get_or_fetch(followed_identifier),
+             {:ok, follower} <- maybe_direct_follow(follower, followed),
+             {:ok, _} <- ActivityPub.follow(follower, followed) do
+          followed
+        else
+          err ->
+            Logger.debug("follow_import failed for #{followed_identifier} with: #{inspect(err)}")
+            err
+        end
+      end
+    )
+  end
+
+  def blocks_import(%User{} = blocker, blocked_identifiers) when is_list(blocked_identifiers),
+    do:
+      PleromaJobQueue.enqueue(:background, __MODULE__, [
+        :blocks_import,
+        blocker,
+        blocked_identifiers
+      ])
+
+  def follow_import(%User{} = follower, followed_identifiers) when is_list(followed_identifiers),
+    do:
+      PleromaJobQueue.enqueue(:background, __MODULE__, [
+        :follow_import,
+        follower,
+        followed_identifiers
+      ])
+
   def delete_user_activities(%User{ap_id: ap_id} = user) do
     stream =
       ap_id
       |> Activity.query_by_actor()
-      |> Activity.with_preloaded_object()
       |> Repo.stream()
 
     Repo.transaction(fn -> Enum.each(stream, &delete_activity(&1)) end, timeout: :infinity)
@@ -1130,8 +1194,8 @@ defmodule Pleroma.User do
       resp = fetch_by_ap_id(ap_id)
 
       if should_fetch_initial do
-        with {:ok, %User{} = user} = resp do
-          {:ok, _} = Task.start(__MODULE__, :fetch_initial_posts, [user])
+        with {:ok, %User{} = user} <- resp do
+          fetch_initial_posts(user)
         end
       end
 
@@ -1320,7 +1384,7 @@ defmodule Pleroma.User do
 
   @spec all_superusers() :: [User.t()]
   def all_superusers do
-    User.Query.build(%{super_users: true, local: true})
+    User.Query.build(%{super_users: true, local: true, deactivated: false})
     |> Repo.all()
   end
 
@@ -1401,4 +1465,57 @@ defmodule Pleroma.User do
 
     updated_user
   end
+
+  @spec toggle_confirmation(User.t()) :: {:ok, User.t()} | {:error, Changeset.t()}
+  def toggle_confirmation(%User{} = user) do
+    need_confirmation? = !user.info.confirmation_pending
+
+    info_changeset =
+      User.Info.confirmation_changeset(user.info, need_confirmation: need_confirmation?)
+
+    user
+    |> change()
+    |> put_embed(:info, info_changeset)
+    |> update_and_set_cache()
+  end
+
+  def get_mascot(%{info: %{mascot: %{} = mascot}}) when not is_nil(mascot) do
+    mascot
+  end
+
+  def get_mascot(%{info: %{mascot: mascot}}) when is_nil(mascot) do
+    # use instance-default
+    config = Pleroma.Config.get([:assets, :mascots])
+    default_mascot = Pleroma.Config.get([:assets, :default_mascot])
+    mascot = Keyword.get(config, default_mascot)
+
+    %{
+      "id" => "default-mascot",
+      "url" => mascot[:url],
+      "preview_url" => mascot[:url],
+      "pleroma" => %{
+        "mime_type" => mascot[:mime_type]
+      }
+    }
+  end
+
+  def ensure_keys_present(user) do
+    info = user.info
+
+    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)
+    end
+  end
 end
diff --git a/lib/pleroma/user/info.ex b/lib/pleroma/user/info.ex
index ab4e81134..e88ee4164 100644
--- a/lib/pleroma/user/info.ex
+++ b/lib/pleroma/user/info.ex
@@ -44,6 +44,7 @@ defmodule Pleroma.User.Info do
     field(:pinned_activities, {:array, :string}, default: [])
     field(:flavour, :string, default: nil)
     field(:email_notifications, :map, default: %{"digest" => false})
+    field(:mascot, :map, default: nil)
     field(:emoji, {:array, :map}, default: [])
 
     field(:notification_settings, :map,
@@ -237,21 +238,23 @@ defmodule Pleroma.User.Info do
     ])
   end
 
-  def confirmation_changeset(info, :confirmed) do
-    confirmation_changeset(info, %{
-      confirmation_pending: false,
-      confirmation_token: nil
-    })
-  end
+  @spec confirmation_changeset(Info.t(), keyword()) :: Changeset.t()
+  def confirmation_changeset(info, opts) do
+    need_confirmation? = Keyword.get(opts, :need_confirmation)
 
-  def confirmation_changeset(info, :unconfirmed) do
-    confirmation_changeset(info, %{
-      confirmation_pending: true,
-      confirmation_token: :crypto.strong_rand_bytes(32) |> Base.url_encode64()
-    })
-  end
+    params =
+      if need_confirmation? do
+        %{
+          confirmation_pending: true,
+          confirmation_token: :crypto.strong_rand_bytes(32) |> Base.url_encode64()
+        }
+      else
+        %{
+          confirmation_pending: false,
+          confirmation_token: nil
+        }
+      end
 
-  def confirmation_changeset(info, params) do
     cast(info, params, [:confirmation_pending, :confirmation_token])
   end
 
@@ -271,6 +274,14 @@ defmodule Pleroma.User.Info do
     |> validate_required([:flavour])
   end
 
+  def mascot_update(info, url) do
+    params = %{mascot: url}
+
+    info
+    |> cast(params, [:mascot])
+    |> validate_required([:mascot])
+  end
+
   def set_source_data(info, source_data) do
     params = %{source_data: source_data}
 
diff --git a/lib/pleroma/user/query.ex b/lib/pleroma/user/query.ex
index 2dfe5ce92..ace9c05f2 100644
--- a/lib/pleroma/user/query.ex
+++ b/lib/pleroma/user/query.ex
@@ -118,7 +118,11 @@ defmodule Pleroma.User.Query do
     |> where([u], not is_nil(u.nickname))
   end
 
-  defp compose_query({:deactivated, _}, query) do
+  defp compose_query({:deactivated, false}, query) do
+    User.restrict_deactivated(query)
+  end
+
+  defp compose_query({:deactivated, true}, query) do
     where(query, [u], fragment("?->'deactivated' @> 'true'", u.info))
     |> where([u], not is_nil(u.nickname))
   end
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 8f8c23a9b..aa0229db7 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Activity
   alias Pleroma.Conversation
-  alias Pleroma.Instances
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Object.Fetcher
@@ -15,7 +14,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.MRF
   alias Pleroma.Web.ActivityPub.Transmogrifier
-  alias Pleroma.Web.Federator
   alias Pleroma.Web.WebFinger
 
   import Ecto.Query
@@ -24,8 +22,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   require Logger
 
-  @httpoison Application.get_env(:pleroma, :httpoison)
-
   # 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
@@ -137,9 +133,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
           activity
         end
 
-      Task.start(fn ->
-        Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
-      end)
+      PleromaJobQueue.enqueue(:background, Pleroma.Web.RichMedia.Helpers, [:fetch, activity])
 
       Notification.create_notifications(activity)
 
@@ -546,8 +540,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
             )
         )
 
-      Ecto.Adapters.SQL.to_sql(:all, Repo, query)
-
       query
     else
       Logger.error("Could not restrict visibility to #{visibility}")
@@ -563,8 +555,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
           fragment("activity_visibility(?, ?, ?) = ?", a.actor, a.recipients, a.data, ^visibility)
       )
 
-    Ecto.Adapters.SQL.to_sql(:all, Repo, query)
-
     query
   end
 
@@ -575,6 +565,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_visibility(query, _visibility), do: query
 
+  defp restrict_thread_visibility(query, %{"user" => %User{ap_id: ap_id}}) do
+    query =
+      from(
+        a in query,
+        where: fragment("thread_visibility(?, (?)->>'id') = true", ^ap_id, a.data)
+      )
+
+    query
+  end
+
+  defp restrict_thread_visibility(query, _), do: query
+
   def fetch_user_activities(user, reading_user, params \\ %{}) do
     params =
       params
@@ -701,6 +703,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_type(query, _), do: query
 
+  defp restrict_state(query, %{"state" => state}) do
+    from(activity in query, where: fragment("?->>'state' = ?", activity.data, ^state))
+  end
+
+  defp restrict_state(query, _), do: query
+
   defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
     from(
       activity in query,
@@ -756,8 +764,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     blocks = info.blocks || []
     domain_blocks = info.domain_blocks || []
 
+    query =
+      if has_named_binding?(query, :object), do: query, else: Activity.with_joined_object(query)
+
     from(
-      activity in query,
+      [activity, object: o] in query,
       where: fragment("not (? = ANY(?))", activity.actor, ^blocks),
       where: fragment("not (? && ?)", activity.recipients, ^blocks),
       where:
@@ -767,7 +778,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
           activity.data,
           ^blocks
         ),
-      where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks)
+      where: fragment("not (split_part(?, '/', 3) = ANY(?))", activity.actor, ^domain_blocks),
+      where: fragment("not (split_part(?->>'actor', '/', 3) = ANY(?))", o.data, ^domain_blocks)
     )
   end
 
@@ -822,6 +834,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> Activity.with_preloaded_bookmark(opts["user"])
   end
 
+  defp maybe_set_thread_muted_field(query, %{"skip_preload" => true}), do: query
+
+  defp maybe_set_thread_muted_field(query, opts) do
+    query
+    |> Activity.with_set_thread_muted_field(opts["user"])
+  end
+
   defp maybe_order(query, %{order: :desc}) do
     query
     |> order_by(desc: :id)
@@ -840,6 +859,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     base_query
     |> maybe_preload_objects(opts)
     |> maybe_preload_bookmarks(opts)
+    |> maybe_set_thread_muted_field(opts)
     |> maybe_order(opts)
     |> restrict_recipients(recipients, opts["user"])
     |> restrict_tag(opts)
@@ -849,15 +869,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> restrict_local(opts)
     |> restrict_actor(opts)
     |> restrict_type(opts)
+    |> restrict_state(opts)
     |> restrict_favorited_by(opts)
     |> restrict_blocked(opts)
     |> restrict_muted(opts)
     |> restrict_media(opts)
     |> restrict_visibility(opts)
+    |> restrict_thread_visibility(opts)
     |> restrict_replies(opts)
     |> restrict_reblogs(opts)
     |> restrict_pinned(opts)
     |> restrict_muted_reblogs(opts)
+    |> Activity.restrict_deactivated_users()
   end
 
   def fetch_activities(recipients, opts \\ %{}) do
@@ -886,7 +909,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
-  def user_data_from_user_object(data) do
+  defp object_to_user_data(data) do
     avatar =
       data["icon"]["url"] &&
         %{
@@ -933,9 +956,19 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     {:ok, user_data}
   end
 
+  def user_data_from_user_object(data) do
+    with {:ok, data} <- MRF.filter(data),
+         {:ok, data} <- object_to_user_data(data) do
+      {:ok, data}
+    else
+      e -> {:error, e}
+    end
+  end
+
   def fetch_and_prepare_user_from_ap_id(ap_id) do
-    with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id) do
-      user_data_from_user_object(data)
+    with {:ok, data} <- Fetcher.fetch_and_contain_remote_object_from_id(ap_id),
+         {:ok, data} <- user_data_from_user_object(data) do
+      {:ok, data}
     else
       e -> Logger.error("Could not decode user at fetch #{ap_id}, #{inspect(e)}")
     end
@@ -961,89 +994,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
-  def should_federate?(inbox, public) do
-    if public do
-      true
-    else
-      inbox_info = URI.parse(inbox)
-      !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
-    end
-  end
-
-  def publish(actor, activity) do
-    remote_followers =
-      if actor.follower_address in activity.recipients do
-        {:ok, followers} = User.get_followers(actor)
-        followers |> Enum.filter(&(!&1.local))
-      else
-        []
-      end
-
-    public = is_public?(activity)
-
-    {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
-    json = Jason.encode!(data)
-
-    (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
-    |> 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"]
-    end)
-    |> Enum.uniq()
-    |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
-    |> Instances.filter_reachable()
-    |> Enum.each(fn {inbox, unreachable_since} ->
-      Federator.publish_single_ap(%{
-        inbox: inbox,
-        json: json,
-        actor: actor,
-        id: activity.data["id"],
-        unreachable_since: unreachable_since
-      })
-    end)
-  end
-
-  def publish_one(%{inbox: inbox, json: json, actor: actor, id: id} = params) do
-    Logger.info("Federating #{id} to #{inbox}")
-    host = URI.parse(inbox).host
-
-    digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
-
-    date =
-      NaiveDateTime.utc_now()
-      |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
-
-    signature =
-      Pleroma.Web.HTTPSignatures.sign(actor, %{
-        host: host,
-        "content-length": byte_size(json),
-        digest: digest,
-        date: date
-      })
-
-    with {:ok, %{status: code}} when code in 200..299 <-
-           result =
-             @httpoison.post(
-               inbox,
-               json,
-               [
-                 {"Content-Type", "application/activity+json"},
-                 {"Date", date},
-                 {"signature", signature},
-                 {"digest", digest}
-               ]
-             ) do
-      if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
-        do: Instances.set_reachable(inbox)
-
-      result
-    else
-      {_post_result, response} ->
-        unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
-        {:error, response}
-    end
-  end
-
   # filter out broken threads
   def contain_broken_threads(%Activity{} = activity, %User{} = user) do
     entire_thread_visible_for_user?(activity, user)
@@ -1054,11 +1004,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     contain_broken_threads(activity, user)
   end
 
-  # do post-processing on a timeline
-  def contain_timeline(timeline, user) do
-    timeline
-    |> Enum.filter(fn activity ->
-      contain_activity(activity, user)
-    end)
+  def fetch_direct_messages_query do
+    Activity
+    |> restrict_type(%{"type" => "Create"})
+    |> restrict_visibility(%{visibility: "direct"})
+    |> order_by([activity], asc: activity.id)
   end
 end
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index c967ab7a9..ad2ca1e54 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -39,7 +39,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def user(conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("user.json", %{user: user}))
@@ -106,7 +106,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def following(conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       {page, _} = Integer.parse(page)
 
       conn
@@ -117,7 +117,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def following(conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("following.json", %{user: user}))
@@ -126,7 +126,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def followers(conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       {page, _} = Integer.parse(page)
 
       conn
@@ -137,7 +137,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def followers(conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("followers.json", %{user: user}))
@@ -146,7 +146,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def outbox(conn, %{"nickname" => nickname} = params) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]}))
@@ -195,7 +195,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def relay(conn, _params) do
     with %User{} = user <- Relay.get_actor(),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("user.json", %{user: user}))
diff --git a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
index 2f105700b..433d23c5f 100644
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@@ -48,14 +48,13 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
          %{host: actor_host} = _actor_info,
          %{
            "type" => "Create",
-           "object" => %{"attachment" => child_attachment} = child_object
+           "object" => child_object
          } = object
-       )
-       when length(child_attachment) > 0 do
+       ) do
     object =
       if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_nsfw]), actor_host) do
         tags = (child_object["tag"] || []) ++ ["nsfw"]
-        child_object = Map.put(child_object, "tags", tags)
+        child_object = Map.put(child_object, "tag", tags)
         child_object = Map.put(child_object, "sensitive", true)
         Map.put(object, "object", child_object)
       else
@@ -75,8 +74,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
                actor_host
              ),
            user <- User.get_cached_by_ap_id(object["actor"]),
-           true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"],
-           true <- user.follower_address in object["cc"] do
+           true <- "https://www.w3.org/ns/activitystreams#Public" in object["to"] do
         to =
           List.delete(object["to"], "https://www.w3.org/ns/activitystreams#Public") ++
             [user.follower_address]
@@ -95,18 +93,63 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicy do
     {:ok, object}
   end
 
+  defp check_report_removal(%{host: actor_host} = _actor_info, %{"type" => "Flag"} = object) do
+    if actor_host in Pleroma.Config.get([:mrf_simple, :report_removal]) do
+      {:reject, nil}
+    else
+      {:ok, object}
+    end
+  end
+
+  defp check_report_removal(_actor_info, object), do: {:ok, object}
+
+  defp check_avatar_removal(%{host: actor_host} = _actor_info, %{"icon" => _icon} = object) do
+    if actor_host in Pleroma.Config.get([:mrf_simple, :avatar_removal]) do
+      {:ok, Map.delete(object, "icon")}
+    else
+      {:ok, object}
+    end
+  end
+
+  defp check_avatar_removal(_actor_info, object), do: {:ok, object}
+
+  defp check_banner_removal(%{host: actor_host} = _actor_info, %{"image" => _image} = object) do
+    if actor_host in Pleroma.Config.get([:mrf_simple, :banner_removal]) do
+      {:ok, Map.delete(object, "image")}
+    else
+      {:ok, object}
+    end
+  end
+
+  defp check_banner_removal(_actor_info, object), do: {:ok, object}
+
   @impl true
-  def filter(object) do
-    actor_info = URI.parse(object["actor"])
+  def filter(%{"actor" => actor} = object) do
+    actor_info = URI.parse(actor)
 
     with {:ok, object} <- check_accept(actor_info, object),
          {:ok, object} <- check_reject(actor_info, object),
          {:ok, object} <- check_media_removal(actor_info, object),
          {:ok, object} <- check_media_nsfw(actor_info, object),
-         {:ok, object} <- check_ftl_removal(actor_info, object) do
+         {:ok, object} <- check_ftl_removal(actor_info, object),
+         {:ok, object} <- check_report_removal(actor_info, object) do
+      {:ok, object}
+    else
+      _e -> {:reject, nil}
+    end
+  end
+
+  def filter(%{"id" => actor, "type" => obj_type} = object)
+      when obj_type in ["Application", "Group", "Organization", "Person", "Service"] do
+    actor_info = URI.parse(actor)
+
+    with {:ok, object} <- check_avatar_removal(actor_info, object),
+         {:ok, object} <- check_banner_removal(actor_info, object) do
       {:ok, object}
     else
       _e -> {:reject, nil}
     end
   end
+
+  def filter(object), do: {:ok, object}
 end
diff --git a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
index b52be30e7..6683b8d8e 100644
--- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
@@ -31,7 +31,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicy do
 
     object =
       object
-      |> Map.put("tags", tags)
+      |> Map.put("tag", tags)
       |> Map.put("sensitive", true)
 
     message = Map.put(message, "object", object)
diff --git a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex
index f5078d818..47663414a 100644
--- a/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex
+++ b/lib/pleroma/web/activity_pub/mrf/user_allowlist.ex
@@ -19,10 +19,12 @@ defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicy do
   end
 
   @impl true
-  def filter(object) do
-    actor_info = URI.parse(object["actor"])
+  def filter(%{"actor" => actor} = object) do
+    actor_info = URI.parse(actor)
     allow_list = Config.get([:mrf_user_allowlist, String.to_atom(actor_info.host)], [])
 
     filter_by_list(object, allow_list)
   end
+
+  def filter(object), do: {:ok, object}
 end
diff --git a/lib/pleroma/web/activity_pub/publisher.ex b/lib/pleroma/web/activity_pub/publisher.ex
new file mode 100644
index 000000000..8f1399ce6
--- /dev/null
+++ b/lib/pleroma/web/activity_pub/publisher.ex
@@ -0,0 +1,151 @@
+# 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.Publisher do
+  alias Pleroma.Activity
+  alias Pleroma.Config
+  alias Pleroma.HTTP
+  alias Pleroma.Instances
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.Relay
+  alias Pleroma.Web.ActivityPub.Transmogrifier
+
+  import Pleroma.Web.ActivityPub.Visibility
+
+  @behaviour Pleroma.Web.Federator.Publisher
+
+  require Logger
+
+  @moduledoc """
+  ActivityPub outgoing federation module.
+  """
+
+  @doc """
+  Determine if an activity can be represented by running it through Transmogrifier.
+  """
+  def is_representable?(%Activity{} = activity) do
+    with {:ok, _data} <- Transmogrifier.prepare_outgoing(activity.data) do
+      true
+    else
+      _e ->
+        false
+    end
+  end
+
+  @doc """
+  Publish a single message to a peer.  Takes a struct with the following
+  parameters set:
+
+  * `inbox`: the inbox to publish to
+  * `json`: the JSON message body representing the ActivityPub message
+  * `actor`: the actor which is signing the message
+  * `id`: the ActivityStreams URI of the message
+  """
+  def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = params) do
+    Logger.info("Federating #{id} to #{inbox}")
+    host = URI.parse(inbox).host
+
+    digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())
+
+    date =
+      NaiveDateTime.utc_now()
+      |> Timex.format!("{WDshort}, {0D} {Mshort} {YYYY} {h24}:{m}:{s} GMT")
+
+    signature =
+      Pleroma.Signature.sign(actor, %{
+        host: host,
+        "content-length": byte_size(json),
+        digest: digest,
+        date: date
+      })
+
+    with {:ok, %{status: code}} when code in 200..299 <-
+           result =
+             HTTP.post(
+               inbox,
+               json,
+               [
+                 {"Content-Type", "application/activity+json"},
+                 {"Date", date},
+                 {"signature", signature},
+                 {"digest", digest}
+               ]
+             ) do
+      if !Map.has_key?(params, :unreachable_since) || params[:unreachable_since],
+        do: Instances.set_reachable(inbox)
+
+      result
+    else
+      {_post_result, response} ->
+        unless params[:unreachable_since], do: Instances.set_unreachable(inbox)
+        {:error, response}
+    end
+  end
+
+  defp should_federate?(inbox, public) do
+    if public do
+      true
+    else
+      inbox_info = URI.parse(inbox)
+      !Enum.member?(Pleroma.Config.get([:instance, :quarantined_instances], []), inbox_info.host)
+    end
+  end
+
+  @doc """
+  Publishes an activity to all relevant peers.
+  """
+  def publish(%User{} = actor, %Activity{} = activity) do
+    remote_followers =
+      if actor.follower_address in activity.recipients do
+        {:ok, followers} = User.get_followers(actor)
+        followers |> Enum.filter(&(!&1.local))
+      else
+        []
+      end
+
+    public = is_public?(activity)
+
+    if public && Config.get([:instance, :allow_relay]) do
+      Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
+      Relay.publish(activity)
+    end
+
+    {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
+    json = Jason.encode!(data)
+
+    (Pleroma.Web.Salmon.remote_users(activity) ++ remote_followers)
+    |> 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"]
+    end)
+    |> Enum.uniq()
+    |> Enum.filter(fn inbox -> should_federate?(inbox, public) end)
+    |> Instances.filter_reachable()
+    |> Enum.each(fn {inbox, unreachable_since} ->
+      Pleroma.Web.Federator.Publisher.enqueue_one(
+        __MODULE__,
+        %{
+          inbox: inbox,
+          json: json,
+          actor: actor,
+          id: activity.data["id"],
+          unreachable_since: unreachable_since
+        }
+      )
+    end)
+  end
+
+  def gather_webfinger_links(%User{} = user) do
+    [
+      %{"rel" => "self", "type" => "application/activity+json", "href" => user.ap_id},
+      %{
+        "rel" => "self",
+        "type" => "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
+        "href" => user.ap_id
+      }
+    ]
+  end
+
+  def gather_nodeinfo_protocol_names, do: ["activitypub"]
+end
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 508f3532f..5edd8ccc7 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -11,7 +11,6 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   alias Pleroma.Object.Containment
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.ActivityPub.Visibility
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 581b9d1ab..ca8a0844b 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -20,6 +20,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   require Logger
 
   @supported_object_types ["Article", "Note", "Video", "Page"]
+  @supported_report_states ~w(open closed resolved)
+  @valid_visibilities ~w(public unlisted private direct)
 
   # 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.
@@ -670,7 +672,8 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       "actor" => params.actor.ap_id,
       "content" => params.content,
       "object" => object,
-      "context" => params.context
+      "context" => params.context,
+      "state" => "open"
     }
     |> Map.merge(additional)
   end
@@ -682,7 +685,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   """
   def fetch_ordered_collection(from, pages_left, acc \\ []) do
     with {:ok, response} <- Tesla.get(from),
-         {:ok, collection} <- Poison.decode(response.body) do
+         {:ok, collection} <- Jason.decode(response.body) do
       case collection["type"] do
         "OrderedCollection" ->
           # If we've encountered the OrderedCollection and not the page,
@@ -713,4 +716,77 @@ defmodule Pleroma.Web.ActivityPub.Utils do
       end
     end
   end
+
+  #### Report-related helpers
+
+  def update_report_state(%Activity{} = activity, state) when state in @supported_report_states do
+    with new_data <- Map.put(activity.data, "state", state),
+         changeset <- Changeset.change(activity, data: new_data),
+         {:ok, activity} <- Repo.update(changeset) do
+      {:ok, activity}
+    end
+  end
+
+  def update_report_state(_, _), do: {:error, "Unsupported state"}
+
+  def update_activity_visibility(activity, visibility) when visibility in @valid_visibilities do
+    [to, cc, recipients] =
+      activity
+      |> get_updated_targets(visibility)
+      |> Enum.map(&Enum.uniq/1)
+
+    object_data =
+      activity.object.data
+      |> Map.put("to", to)
+      |> Map.put("cc", cc)
+
+    {:ok, object} =
+      activity.object
+      |> Object.change(%{data: object_data})
+      |> Object.update_and_set_cache()
+
+    activity_data =
+      activity.data
+      |> Map.put("to", to)
+      |> Map.put("cc", cc)
+
+    activity
+    |> Map.put(:object, object)
+    |> Activity.change(%{data: activity_data, recipients: recipients})
+    |> Repo.update()
+  end
+
+  def update_activity_visibility(_, _), do: {:error, "Unsupported visibility"}
+
+  defp get_updated_targets(
+         %Activity{data: %{"to" => to} = data, recipients: recipients},
+         visibility
+       ) do
+    cc = Map.get(data, "cc", [])
+    follower_address = User.get_cached_by_ap_id(data["actor"]).follower_address
+    public = "https://www.w3.org/ns/activitystreams#Public"
+
+    case visibility do
+      "public" ->
+        to = [public | List.delete(to, follower_address)]
+        cc = [follower_address | List.delete(cc, public)]
+        recipients = [public | recipients]
+        [to, cc, recipients]
+
+      "private" ->
+        to = [follower_address | List.delete(to, public)]
+        cc = List.delete(cc, public)
+        recipients = List.delete(recipients, public)
+        [to, cc, recipients]
+
+      "unlisted" ->
+        to = [follower_address | List.delete(to, public)]
+        cc = [public | List.delete(cc, follower_address)]
+        recipients = recipients ++ [follower_address, public]
+        [to, cc, recipients]
+
+      _ ->
+        [to, cc, recipients]
+    end
+  end
 end
diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex
index 1254fdf6c..327e0e05b 100644
--- a/lib/pleroma/web/activity_pub/views/user_view.ex
+++ b/lib/pleroma/web/activity_pub/views/user_view.ex
@@ -5,6 +5,7 @@
 defmodule Pleroma.Web.ActivityPub.UserView do
   use Pleroma.Web, :view
 
+  alias Pleroma.Keys
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
@@ -12,8 +13,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.Endpoint
   alias Pleroma.Web.Router.Helpers
-  alias Pleroma.Web.Salmon
-  alias Pleroma.Web.WebFinger
 
   import Ecto.Query
 
@@ -34,8 +33,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do
 
   # the instance itself is not a Person, but instead an Application
   def render("user.json", %{user: %{nickname: nil} = user}) do
-    {:ok, user} = WebFinger.ensure_keys_present(user)
-    {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
+    {: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)
     public_key = :public_key.pem_encode([public_key])
 
@@ -62,8 +61,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do
   end
 
   def render("user.json", %{user: user}) do
-    {:ok, user} = WebFinger.ensure_keys_present(user)
-    {:ok, _, public_key} = Salmon.keys_from_pem(user.info.keys)
+    {: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)
     public_key = :public_key.pem_encode([public_key])
 
diff --git a/lib/pleroma/web/activity_pub/visibility.ex b/lib/pleroma/web/activity_pub/visibility.ex
index 6dee61dd6..93b50ee47 100644
--- a/lib/pleroma/web/activity_pub/visibility.ex
+++ b/lib/pleroma/web/activity_pub/visibility.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.ActivityPub.Visibility do
   alias Pleroma.Activity
   alias Pleroma.Object
+  alias Pleroma.Repo
   alias Pleroma.User
 
   def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
@@ -13,11 +14,12 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
   end
 
   def is_private?(activity) do
-    unless is_public?(activity) do
-      follower_address = User.get_cached_by_ap_id(activity.data["actor"]).follower_address
-      Enum.any?(activity.data["to"], &(&1 == follower_address))
+    with false <- is_public?(activity),
+         %User{follower_address: follower_address} <-
+           User.get_cached_by_ap_id(activity.data["actor"]) do
+      follower_address in activity.data["to"]
     else
-      false
+      _ -> false
     end
   end
 
@@ -38,24 +40,37 @@ defmodule Pleroma.Web.ActivityPub.Visibility do
     visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
   end
 
-  # guard
-  def entire_thread_visible_for_user?(nil, _user), do: false
+  def entire_thread_visible_for_user?(%Activity{} = activity, %User{} = user) do
+    {:ok, %{rows: [[result]]}} =
+      Ecto.Adapters.SQL.query(Repo, "SELECT thread_visibility($1, $2)", [
+        user.ap_id,
+        activity.data["id"]
+      ])
 
-  # XXX: Probably even more inefficient than the previous implementation intended to be a placeholder untill https://git.pleroma.social/pleroma/pleroma/merge_requests/971 is in develop
-  # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
+    result
+  end
+
+  def get_visibility(object) do
+    public = "https://www.w3.org/ns/activitystreams#Public"
+    to = object.data["to"] || []
+    cc = object.data["cc"] || []
+
+    cond do
+      public in to ->
+        "public"
+
+      public in cc ->
+        "unlisted"
+
+      # this should use the sql for the object's activity
+      Enum.any?(to, &String.contains?(&1, "/followers")) ->
+        "private"
 
-  def entire_thread_visible_for_user?(
-        %Activity{} = tail,
-        # %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
-        user
-      ) do
-    case Object.normalize(tail) do
-      %{data: %{"inReplyTo" => parent_id}} when is_binary(parent_id) ->
-        parent = Activity.get_in_reply_to_activity(tail)
-        visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
+      length(cc) > 0 ->
+        "private"
 
-      _ ->
-        visible_for_user?(tail, user)
+      true ->
+        "direct"
     end
   end
 end
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index b553d96a8..de2a13c01 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -4,11 +4,16 @@
 
 defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   use Pleroma.Web, :controller
+  alias Pleroma.Activity
   alias Pleroma.User
   alias Pleroma.UserInviteToken
+  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.AdminAPI.AccountView
+  alias Pleroma.Web.AdminAPI.ReportView
   alias Pleroma.Web.AdminAPI.Search
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.MastodonAPI.StatusView
 
   import Pleroma.Web.ControllerHelper, only: [json_response: 3]
 
@@ -59,7 +64,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
       bio: "."
     }
 
-    changeset = User.register_changeset(%User{}, user_data, confirmed: true)
+    changeset = User.register_changeset(%User{}, user_data, need_confirmation: false)
     {:ok, user} = User.register(changeset)
 
     conn
@@ -287,12 +292,88 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
     |> json(token.token)
   end
 
+  def list_reports(conn, params) do
+    params =
+      params
+      |> Map.put("type", "Flag")
+      |> Map.put("skip_preload", true)
+
+    reports =
+      []
+      |> ActivityPub.fetch_activities(params)
+      |> Enum.reverse()
+
+    conn
+    |> put_view(ReportView)
+    |> render("index.json", %{reports: reports})
+  end
+
+  def report_show(conn, %{"id" => id}) do
+    with %Activity{} = report <- Activity.get_by_id(id) do
+      conn
+      |> put_view(ReportView)
+      |> render("show.json", %{report: report})
+    else
+      _ -> {:error, :not_found}
+    end
+  end
+
+  def report_update_state(conn, %{"id" => id, "state" => state}) do
+    with {:ok, report} <- CommonAPI.update_report_state(id, state) do
+      conn
+      |> put_view(ReportView)
+      |> render("show.json", %{report: report})
+    end
+  end
+
+  def report_respond(%{assigns: %{user: user}} = conn, %{"id" => id} = params) do
+    with false <- is_nil(params["status"]),
+         %Activity{} <- Activity.get_by_id(id) do
+      params =
+        params
+        |> Map.put("in_reply_to_status_id", id)
+        |> Map.put("visibility", "direct")
+
+      {:ok, activity} = CommonAPI.post(user, params)
+
+      conn
+      |> put_view(StatusView)
+      |> render("status.json", %{activity: activity})
+    else
+      true ->
+        {:param_cast, nil}
+
+      nil ->
+        {:error, :not_found}
+    end
+  end
+
+  def status_update(conn, %{"id" => id} = params) do
+    with {:ok, activity} <- CommonAPI.update_activity_scope(id, params) do
+      conn
+      |> put_view(StatusView)
+      |> render("status.json", %{activity: activity})
+    end
+  end
+
+  def status_delete(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    with {:ok, %Activity{}} <- CommonAPI.delete(id, user) do
+      json(conn, %{})
+    end
+  end
+
   def errors(conn, {:error, :not_found}) do
     conn
     |> put_status(404)
     |> json("Not found")
   end
 
+  def errors(conn, {:error, reason}) do
+    conn
+    |> put_status(400)
+    |> json(reason)
+  end
+
   def errors(conn, {:param_cast, _}) do
     conn
     |> put_status(400)
diff --git a/lib/pleroma/web/admin_api/views/report_view.ex b/lib/pleroma/web/admin_api/views/report_view.ex
new file mode 100644
index 000000000..47a73dc7e
--- /dev/null
+++ b/lib/pleroma/web/admin_api/views/report_view.ex
@@ -0,0 +1,41 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.ReportView do
+  use Pleroma.Web, :view
+  alias Pleroma.Activity
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI.Utils
+  alias Pleroma.Web.MastodonAPI.AccountView
+  alias Pleroma.Web.MastodonAPI.StatusView
+
+  def render("index.json", %{reports: reports}) do
+    %{
+      reports: render_many(reports, __MODULE__, "show.json", as: :report)
+    }
+  end
+
+  def render("show.json", %{report: report}) do
+    user = User.get_cached_by_ap_id(report.data["actor"])
+    created_at = Utils.to_masto_date(report.data["published"])
+
+    [account_ap_id | status_ap_ids] = report.data["object"]
+    account = User.get_cached_by_ap_id(account_ap_id)
+
+    statuses =
+      Enum.map(status_ap_ids, fn ap_id ->
+        Activity.get_by_ap_id_with_object(ap_id)
+      end)
+
+    %{
+      id: report.id,
+      account: AccountView.render("account.json", %{user: account}),
+      actor: AccountView.render("account.json", %{user: user}),
+      content: report.data["content"],
+      created_at: created_at,
+      statuses: StatusView.render("index.json", %{activities: statuses, as: :activity}),
+      state: report.data["state"]
+    }
+  end
+end
diff --git a/lib/pleroma/web/auth/pleroma_authenticator.ex b/lib/pleroma/web/auth/pleroma_authenticator.ex
index dd79cdcf7..c4a6fce08 100644
--- a/lib/pleroma/web/auth/pleroma_authenticator.ex
+++ b/lib/pleroma/web/auth/pleroma_authenticator.ex
@@ -74,7 +74,7 @@ defmodule Pleroma.Web.Auth.PleromaAuthenticator do
                password_confirmation: random_password
              },
              external: true,
-             confirmed: true
+             need_confirmation: false
            )
            |> Repo.insert(),
          {:ok, _} <-
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index b53869c75..5a312d673 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -71,6 +71,9 @@ defmodule Pleroma.Web.CommonAPI do
          {:ok, _} <- unpin(activity_id, user),
          {:ok, delete} <- ActivityPub.delete(object) do
       {:ok, delete}
+    else
+      _ ->
+        {:error, "Could not delete"}
     end
   end
 
@@ -116,32 +119,34 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
-  def get_visibility(%{"visibility" => visibility})
+  def get_visibility(%{"visibility" => visibility}, in_reply_to)
       when visibility in ~w{public unlisted private direct},
-      do: visibility
+      do: {visibility, get_replied_to_visibility(in_reply_to)}
 
-  def get_visibility(%{"in_reply_to_status_id" => status_id}) when not is_nil(status_id) do
-    case get_replied_to_activity(status_id) do
-      nil ->
-        "public"
+  def get_visibility(_, in_reply_to) when not is_nil(in_reply_to) do
+    visibility = get_replied_to_visibility(in_reply_to)
+    {visibility, visibility}
+  end
+
+  def get_visibility(_, in_reply_to), do: {"public", get_replied_to_visibility(in_reply_to)}
 
-      in_reply_to ->
-        # XXX: these heuristics should be moved out of MastodonAPI.
-        with %Object{} = object <- Object.normalize(in_reply_to) do
-          Pleroma.Web.MastodonAPI.StatusView.get_visibility(object)
-        end
+  def get_replied_to_visibility(nil), do: nil
+
+  def get_replied_to_visibility(activity) do
+    with %Object{} = object <- Object.normalize(activity) do
+      Pleroma.Web.ActivityPub.Visibility.get_visibility(object)
     end
   end
 
-  def get_visibility(_), do: "public"
-
   def post(user, %{"status" => status} = data) do
-    visibility = get_visibility(data)
     limit = Pleroma.Config.get([:instance, :limit])
 
     with status <- String.trim(status),
          attachments <- attachments_from_ids(data),
          in_reply_to <- get_replied_to_activity(data["in_reply_to_status_id"]),
+         {visibility, in_reply_to_visibility} <- get_visibility(data, in_reply_to),
+         {_, false} <-
+           {:private_to_public, in_reply_to_visibility == "direct" && visibility != "direct"},
          {content_html, mentions, tags} <-
            make_content_html(
              status,
@@ -152,6 +157,7 @@ defmodule Pleroma.Web.CommonAPI do
          {to, cc} <- to_for_user_and_mentions(user, mentions, in_reply_to, visibility),
          context <- make_context(in_reply_to),
          cw <- data["spoiler_text"] || "",
+         sensitive <- data["sensitive"] || Enum.member?(tags, {"#nsfw", "nsfw"}),
          full_payload <- String.trim(status <> cw),
          length when length in 1..limit <- String.length(full_payload),
          object <-
@@ -164,7 +170,8 @@ defmodule Pleroma.Web.CommonAPI do
              in_reply_to,
              tags,
              cw,
-             cc
+             cc,
+             sensitive
            ),
          object <-
            Map.put(
@@ -185,6 +192,8 @@ defmodule Pleroma.Web.CommonAPI do
         )
 
       res
+    else
+      e -> {:error, e}
     end
   end
 
@@ -193,7 +202,7 @@ defmodule Pleroma.Web.CommonAPI do
     user =
       with emoji <- emoji_from_profile(user),
            source_data <- (user.info.source_data || %{}) |> Map.put("tag", emoji),
-           info_cng <- Pleroma.User.Info.set_source_data(user.info, source_data),
+           info_cng <- User.Info.set_source_data(user.info, source_data),
            change <- Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_cng),
            {:ok, user} <- User.update_and_set_cache(change) do
         user
@@ -226,7 +235,7 @@ defmodule Pleroma.Web.CommonAPI do
          } = activity <- get_by_id_or_ap_id(id_or_ap_id),
          true <- Enum.member?(object_to, "https://www.w3.org/ns/activitystreams#Public"),
          %{valid?: true} = info_changeset <-
-           Pleroma.User.Info.add_pinnned_activity(user.info, activity),
+           User.Info.add_pinnned_activity(user.info, activity),
          changeset <-
            Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset),
          {:ok, _user} <- User.update_and_set_cache(changeset) do
@@ -243,7 +252,7 @@ defmodule Pleroma.Web.CommonAPI do
   def unpin(id_or_ap_id, user) do
     with %Activity{} = activity <- get_by_id_or_ap_id(id_or_ap_id),
          %{valid?: true} = info_changeset <-
-           Pleroma.User.Info.remove_pinnned_activity(user.info, activity),
+           User.Info.remove_pinnned_activity(user.info, activity),
          changeset <-
            Ecto.Changeset.change(user) |> Ecto.Changeset.put_embed(:info, info_changeset),
          {:ok, _user} <- User.update_and_set_cache(changeset) do
@@ -311,6 +320,60 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
+  def update_report_state(activity_id, state) do
+    with %Activity{} = activity <- Activity.get_by_id(activity_id),
+         {:ok, activity} <- Utils.update_report_state(activity, state) do
+      {:ok, activity}
+    else
+      nil ->
+        {:error, :not_found}
+
+      {:error, reason} ->
+        {:error, reason}
+
+      _ ->
+        {:error, "Could not update state"}
+    end
+  end
+
+  def update_activity_scope(activity_id, opts \\ %{}) do
+    with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
+         {:ok, activity} <- toggle_sensitive(activity, opts),
+         {:ok, activity} <- set_visibility(activity, opts) do
+      {:ok, activity}
+    else
+      nil ->
+        {:error, :not_found}
+
+      {:error, reason} ->
+        {:error, reason}
+    end
+  end
+
+  defp toggle_sensitive(activity, %{"sensitive" => sensitive}) when sensitive in ~w(true false) do
+    toggle_sensitive(activity, %{"sensitive" => String.to_existing_atom(sensitive)})
+  end
+
+  defp toggle_sensitive(%Activity{object: object} = activity, %{"sensitive" => sensitive})
+       when is_boolean(sensitive) do
+    new_data = Map.put(object.data, "sensitive", sensitive)
+
+    {:ok, object} =
+      object
+      |> Object.change(%{data: new_data})
+      |> Object.update_and_set_cache()
+
+    {:ok, Map.put(activity, :object, object)}
+  end
+
+  defp toggle_sensitive(activity, _), do: {:ok, activity}
+
+  defp set_visibility(activity, %{"visibility" => visibility}) do
+    Utils.update_activity_visibility(activity, visibility)
+  end
+
+  defp set_visibility(activity, _), do: {:ok, activity}
+
   def hide_reblogs(user, muted) do
     ap_id = muted.ap_id
 
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index 1dfe50b40..d93c0d46e 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -223,7 +223,8 @@ defmodule Pleroma.Web.CommonAPI.Utils do
         in_reply_to,
         tags,
         cw \\ nil,
-        cc \\ []
+        cc \\ [],
+        sensitive \\ false
       ) do
     object = %{
       "type" => "Note",
@@ -231,19 +232,18 @@ defmodule Pleroma.Web.CommonAPI.Utils do
       "cc" => cc,
       "content" => content_html,
       "summary" => cw,
+      "sensitive" => !Enum.member?(["false", "False", "0", false], sensitive),
       "context" => context,
       "attachment" => attachments,
       "actor" => actor,
       "tag" => tags |> Enum.map(fn {_, tag} -> tag end) |> Enum.uniq()
     }
 
-    if in_reply_to do
-      in_reply_to_object = Object.normalize(in_reply_to)
-
-      object
-      |> Map.put("inReplyTo", in_reply_to_object.data["id"])
+    with false <- is_nil(in_reply_to),
+         %Object{} = in_reply_to_object <- Object.normalize(in_reply_to) do
+      Map.put(object, "inReplyTo", in_reply_to_object.data["id"])
     else
-      object
+      _ -> object
     end
   end
 
diff --git a/lib/pleroma/web/endpoint.ex b/lib/pleroma/web/endpoint.ex
index 9ef30e885..8cd7a2270 100644
--- a/lib/pleroma/web/endpoint.ex
+++ b/lib/pleroma/web/endpoint.ex
@@ -16,17 +16,32 @@ defmodule Pleroma.Web.Endpoint do
 
   plug(Pleroma.Plugs.UploadedMedia)
 
+  @static_cache_control "public, no-cache"
+
   # InstanceStatic needs to be before Plug.Static to be able to override shipped-static files
   # If you're adding new paths to `only:` you'll need to configure them in InstanceStatic as well
-  plug(Pleroma.Plugs.InstanceStatic, at: "/")
+  # Cache-control headers are duplicated in case we turn off etags in the future
+  plug(Pleroma.Plugs.InstanceStatic,
+    at: "/",
+    gzip: true,
+    cache_control_for_etags: @static_cache_control,
+    headers: %{
+      "cache-control" => @static_cache_control
+    }
+  )
 
   plug(
     Plug.Static,
     at: "/",
     from: :pleroma,
     only:
-      ~w(index.html robots.txt static finmoji emoji packs sounds images instance sw.js sw-pleroma.js favicon.png schemas doc)
+      ~w(index.html robots.txt static finmoji emoji packs sounds images instance sw.js sw-pleroma.js favicon.png schemas doc),
     # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
+    gzip: true,
+    cache_control_for_etags: @static_cache_control,
+    headers: %{
+      "cache-control" => @static_cache_control
+    }
   )
 
   plug(Plug.Static.IndexHtml, at: "/pleroma/admin/")
diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index 29e178ba9..f4c9fe284 100644
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -7,21 +7,15 @@ defmodule Pleroma.Web.Federator do
   alias Pleroma.Object.Containment
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.Federator.Publisher
   alias Pleroma.Web.Federator.RetryQueue
   alias Pleroma.Web.OStatus
-  alias Pleroma.Web.Salmon
-  alias Pleroma.Web.WebFinger
   alias Pleroma.Web.Websub
 
   require Logger
 
-  @websub Application.get_env(:pleroma, :websub)
-  @ostatus Application.get_env(:pleroma, :ostatus)
-
   def init do
     # 1 minute
     Process.sleep(1000 * 60)
@@ -42,14 +36,6 @@ defmodule Pleroma.Web.Federator do
     PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:publish, activity], priority)
   end
 
-  def publish_single_ap(params) do
-    PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:publish_single_ap, params])
-  end
-
-  def publish_single_websub(websub) do
-    PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:publish_single_websub, websub])
-  end
-
   def verify_websub(websub) do
     PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:verify_websub, websub])
   end
@@ -62,10 +48,6 @@ defmodule Pleroma.Web.Federator do
     PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:refresh_subscriptions])
   end
 
-  def publish_single_salmon(params) do
-    PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:publish_single_salmon, params])
-  end
-
   # Job Worker Callbacks
 
   def perform(:refresh_subscriptions) do
@@ -92,26 +74,9 @@ defmodule Pleroma.Web.Federator do
   def perform(:publish, activity) do
     Logger.debug(fn -> "Running publish for #{activity.data["id"]}" end)
 
-    with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
-      {:ok, actor} = WebFinger.ensure_keys_present(actor)
-
-      if Visibility.is_public?(activity) do
-        if OStatus.is_representable?(activity) do
-          Logger.info(fn -> "Sending #{activity.data["id"]} out via WebSub" end)
-          Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
-
-          Logger.info(fn -> "Sending #{activity.data["id"]} out via Salmon" end)
-          Pleroma.Web.Salmon.publish(actor, activity)
-        end
-
-        if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
-          Logger.info(fn -> "Relaying #{activity.data["id"]} out" end)
-          Relay.publish(activity)
-        end
-      end
-
-      Logger.info(fn -> "Sending #{activity.data["id"]} out via AP" end)
-      Pleroma.Web.ActivityPub.ActivityPub.publish(actor, activity)
+    with %User{} = actor <- User.get_cached_by_ap_id(activity.data["actor"]),
+         {:ok, actor} <- User.ensure_keys_present(actor) do
+      Publisher.publish(actor, activity)
     end
   end
 
@@ -120,12 +85,12 @@ defmodule Pleroma.Web.Federator do
       "Running WebSub verification for #{websub.id} (#{websub.topic}, #{websub.callback})"
     end)
 
-    @websub.verify(websub)
+    Websub.verify(websub)
   end
 
   def perform(:incoming_doc, doc) do
     Logger.info("Got document, trying to parse")
-    @ostatus.handle_incoming(doc)
+    OStatus.handle_incoming(doc)
   end
 
   def perform(:incoming_ap_doc, params) do
@@ -148,25 +113,11 @@ defmodule Pleroma.Web.Federator do
       _e ->
         # Just drop those for now
         Logger.info("Unhandled activity")
-        Logger.info(Poison.encode!(params, pretty: 2))
+        Logger.info(Jason.encode!(params, pretty: true))
         :error
     end
   end
 
-  def perform(:publish_single_salmon, params) do
-    Salmon.send_to_user(params)
-  end
-
-  def perform(:publish_single_ap, params) do
-    case ActivityPub.publish_one(params) do
-      {:ok, _} ->
-        :ok
-
-      {:error, _} ->
-        RetryQueue.enqueue(params, ActivityPub)
-    end
-  end
-
   def perform(
         :publish_single_websub,
         %{xml: _xml, topic: _topic, callback: _callback, secret: _secret} = params
diff --git a/lib/pleroma/web/federator/publisher.ex b/lib/pleroma/web/federator/publisher.ex
new file mode 100644
index 000000000..70f870244
--- /dev/null
+++ b/lib/pleroma/web/federator/publisher.ex
@@ -0,0 +1,95 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Federator.Publisher do
+  alias Pleroma.Activity
+  alias Pleroma.Config
+  alias Pleroma.User
+  alias Pleroma.Web.Federator.RetryQueue
+
+  require Logger
+
+  @moduledoc """
+  Defines the contract used by federation implementations to publish messages to
+  their peers.
+  """
+
+  @doc """
+  Determine whether an activity can be relayed using the federation module.
+  """
+  @callback is_representable?(Pleroma.Activity.t()) :: boolean()
+
+  @doc """
+  Relays an activity to a specified peer, determined by the parameters.  The
+  parameters used are controlled by the federation module.
+  """
+  @callback publish_one(Map.t()) :: {:ok, Map.t()} | {:error, any()}
+
+  @doc """
+  Enqueue publishing a single activity.
+  """
+  @spec enqueue_one(module(), Map.t()) :: :ok
+  def enqueue_one(module, %{} = params),
+    do: PleromaJobQueue.enqueue(:federator_outgoing, __MODULE__, [:publish_one, module, params])
+
+  @spec perform(atom(), module(), any()) :: {:ok, any()} | {:error, any()}
+  def perform(:publish_one, module, params) do
+    case apply(module, :publish_one, [params]) do
+      {:ok, _} ->
+        :ok
+
+      {:error, _e} ->
+        RetryQueue.enqueue(params, module)
+    end
+  end
+
+  def perform(type, _, _) do
+    Logger.debug("Unknown task: #{type}")
+    {:error, "Don't know what to do with this"}
+  end
+
+  @doc """
+  Relays an activity to all specified peers.
+  """
+  @callback publish(User.t(), Activity.t()) :: :ok | {:error, any()}
+
+  @spec publish(User.t(), Activity.t()) :: :ok
+  def publish(%User{} = user, %Activity{} = activity) do
+    Config.get([:instance, :federation_publisher_modules])
+    |> Enum.each(fn module ->
+      if module.is_representable?(activity) do
+        Logger.info("Publishing #{activity.data["id"]} using #{inspect(module)}")
+        module.publish(user, activity)
+      end
+    end)
+
+    :ok
+  end
+
+  @doc """
+  Gathers links used by an outgoing federation module for WebFinger output.
+  """
+  @callback gather_webfinger_links(User.t()) :: list()
+
+  @spec gather_webfinger_links(User.t()) :: list()
+  def gather_webfinger_links(%User{} = user) do
+    Config.get([:instance, :federation_publisher_modules])
+    |> Enum.reduce([], fn module, links ->
+      links ++ module.gather_webfinger_links(user)
+    end)
+  end
+
+  @doc """
+  Gathers nodeinfo protocol names supported by the federation module.
+  """
+  @callback gather_nodeinfo_protocol_names() :: list()
+
+  @spec gather_nodeinfo_protocol_names() :: list()
+  def gather_nodeinfo_protocol_names do
+    Config.get([:instance, :federation_publisher_modules])
+    |> Enum.reduce([], fn module, links ->
+      links ++ module.gather_nodeinfo_protocol_names()
+    end)
+  end
+end
diff --git a/lib/pleroma/web/http_signatures/http_signatures.ex b/lib/pleroma/web/http_signatures/http_signatures.ex
deleted file mode 100644
index 8e2e2a44b..000000000
--- a/lib/pleroma/web/http_signatures/http_signatures.ex
+++ /dev/null
@@ -1,91 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-# https://tools.ietf.org/html/draft-cavage-http-signatures-08
-defmodule Pleroma.Web.HTTPSignatures do
-  alias Pleroma.User
-  alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Utils
-
-  require Logger
-
-  def split_signature(sig) do
-    default = %{"headers" => "date"}
-
-    sig =
-      sig
-      |> String.trim()
-      |> String.split(",")
-      |> Enum.reduce(default, fn part, acc ->
-        [key | rest] = String.split(part, "=")
-        value = Enum.join(rest, "=")
-        Map.put(acc, key, String.trim(value, "\""))
-      end)
-
-    Map.put(sig, "headers", String.split(sig["headers"], ~r/\s/))
-  end
-
-  def validate(headers, signature, public_key) do
-    sigstring = build_signing_string(headers, signature["headers"])
-    Logger.debug("Signature: #{signature["signature"]}")
-    Logger.debug("Sigstring: #{sigstring}")
-    {:ok, sig} = Base.decode64(signature["signature"])
-    :public_key.verify(sigstring, :sha256, sig, public_key)
-  end
-
-  def validate_conn(conn) do
-    # TODO: How to get the right key and see if it is actually valid for that request.
-    # For now, fetch the key for the actor.
-    with actor_id <- Utils.get_ap_id(conn.params["actor"]),
-         {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
-      if validate_conn(conn, public_key) do
-        true
-      else
-        Logger.debug("Could not validate, re-fetching user and trying one more time")
-        # Fetch user anew and try one more time
-        with actor_id <- Utils.get_ap_id(conn.params["actor"]),
-             {:ok, _user} <- ActivityPub.make_user_from_ap_id(actor_id),
-             {:ok, public_key} <- User.get_public_key_for_ap_id(actor_id) do
-          validate_conn(conn, public_key)
-        end
-      end
-    else
-      _e ->
-        Logger.debug("Could not public key!")
-        false
-    end
-  end
-
-  def validate_conn(conn, public_key) do
-    headers = Enum.into(conn.req_headers, %{})
-    signature = split_signature(headers["signature"])
-    validate(headers, signature, public_key)
-  end
-
-  def build_signing_string(headers, used_headers) do
-    used_headers
-    |> Enum.map(fn header -> "#{header}: #{headers[header]}" end)
-    |> Enum.join("\n")
-  end
-
-  def sign(user, headers) do
-    with {:ok, %{info: %{keys: keys}}} <- Pleroma.Web.WebFinger.ensure_keys_present(user),
-         {:ok, private_key, _} = Pleroma.Web.Salmon.keys_from_pem(keys) do
-      sigstring = build_signing_string(headers, Map.keys(headers))
-
-      signature =
-        :public_key.sign(sigstring, :sha256, private_key)
-        |> Base.encode64()
-
-      [
-        keyId: user.ap_id <> "#main-key",
-        algorithm: "rsa-sha256",
-        headers: Map.keys(headers) |> Enum.join(" "),
-        signature: signature
-      ]
-      |> Enum.map(fn {k, v} -> "#{k}=\"#{v}\"" end)
-      |> Enum.join(",")
-    end
-  end
-end
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index 956736780..0fe09c285 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -11,6 +11,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Conversation.Participation
   alias Pleroma.Filter
   alias Pleroma.Formatter
+  alias Pleroma.HTTP
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Object.Fetcher
@@ -39,13 +40,22 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Web.OAuth.Authorization
   alias Pleroma.Web.OAuth.Scopes
   alias Pleroma.Web.OAuth.Token
+  alias Pleroma.Web.TwitterAPI.TwitterAPI
 
   alias Pleroma.Web.ControllerHelper
   import Ecto.Query
 
   require Logger
 
-  @httpoison Application.get_env(:pleroma, :httpoison)
+  plug(
+    Pleroma.Plugs.RateLimitPlug,
+    %{
+      max_requests: Config.get([:app_account_creation, :max_requests]),
+      interval: Config.get([:app_account_creation, :interval])
+    }
+    when action in [:account_register]
+  )
+
   @local_mastodon_name "Mastodon-Local"
 
   action_fallback(:errors)
@@ -168,7 +178,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  @mastodon_api_level "2.6.5"
+  @mastodon_api_level "2.7.2"
 
   def masto_instance(conn, _params) do
     instance = Config.get(:instance)
@@ -293,7 +303,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     activities =
       [user.ap_id | user.following]
       |> ActivityPub.fetch_activities(params)
-      |> ActivityPub.contain_timeline(user)
       |> Enum.reverse()
 
     conn
@@ -698,6 +707,41 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def set_mascot(%{assigns: %{user: user}} = conn, %{"file" => file}) do
+    with {:ok, object} <- ActivityPub.upload(file, actor: User.ap_id(user)),
+         %{} = attachment_data <- Map.put(object.data, "id", object.id),
+         %{type: type} = rendered <-
+           StatusView.render("attachment.json", %{attachment: attachment_data}) do
+      # Reject if not an image
+      if type == "image" do
+        # Sure!
+        # Save to the user's info
+        info_changeset = User.Info.mascot_update(user.info, rendered)
+
+        user_changeset =
+          user
+          |> Ecto.Changeset.change()
+          |> Ecto.Changeset.put_embed(:info, info_changeset)
+
+        {:ok, _user} = User.update_and_set_cache(user_changeset)
+
+        conn
+        |> json(rendered)
+      else
+        conn
+        |> put_resp_content_type("application/json")
+        |> send_resp(415, Jason.encode!(%{"error" => "mascots can only be images"}))
+      end
+    end
+  end
+
+  def get_mascot(%{assigns: %{user: user}} = conn, _params) do
+    mascot = User.get_mascot(user)
+
+    conn
+    |> json(mascot)
+  end
+
   def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
     with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
          %Object{data: %{"likes" => likes}} <- Object.normalize(object) do
@@ -1000,6 +1044,30 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def status_search_query_with_gin(q, query) do
+    from([a, o] in q,
+      where:
+        fragment(
+          "to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
+          o.data,
+          ^query
+        ),
+      order_by: [desc: :id]
+    )
+  end
+
+  def status_search_query_with_rum(q, query) do
+    from([a, o] in q,
+      where:
+        fragment(
+          "? @@ plainto_tsquery('english', ?)",
+          o.fts_content,
+          ^query
+        ),
+      order_by: [fragment("? <=> now()::date", o.inserted_at)]
+    )
+  end
+
   def status_search(user, query) do
     fetched =
       if Regex.match?(~r/https?:/, query) do
@@ -1013,20 +1081,19 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       end || []
 
     q =
-      from(
-        [a, o] in Activity.with_preloaded_object(Activity),
+      from([a, o] in Activity.with_preloaded_object(Activity),
         where: fragment("?->>'type' = 'Create'", a.data),
         where: "https://www.w3.org/ns/activitystreams#Public" in a.recipients,
-        where:
-          fragment(
-            "to_tsvector('english', ?->>'content') @@ plainto_tsquery('english', ?)",
-            o.data,
-            ^query
-          ),
-        limit: 20,
-        order_by: [desc: :id]
+        limit: 20
       )
 
+    q =
+      if Pleroma.Config.get([:database, :rum_enabled]) do
+        status_search_query_with_rum(q, query)
+      else
+        status_search_query_with_gin(q, query)
+      end
+
     Repo.all(q) ++ fetched
   end
 
@@ -1213,7 +1280,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     accounts
     |> Enum.each(fn account_id ->
       with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
-           %User{} = followed <- Pleroma.User.get_cached_by_id(account_id) do
+           %User{} = followed <- User.get_cached_by_id(account_id) do
         Pleroma.List.unfollow(list, followed)
       end
     end)
@@ -1297,7 +1364,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
             display_sensitive_media: false,
             reduce_motion: false,
             max_toot_chars: limit,
-            mascot: "/images/pleroma-fox-tan-smol.png"
+            mascot: User.get_mascot(user)["url"]
           },
           rights: %{
             delete_others_notice: present?(user.info.is_moderator),
@@ -1536,7 +1603,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       user_id: user.id,
       phrase: phrase,
       context: context,
-      hide: Map.get(params, "irreversible", nil),
+      hide: Map.get(params, "irreversible", false),
       whole_word: Map.get(params, "boolean", true)
       # expires_at
     }
@@ -1624,7 +1691,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
         |> String.replace("{{user}}", user)
 
       with {:ok, %{status: 200, body: body}} <-
-             @httpoison.get(
+             HTTP.get(
                url,
                [],
                adapter: [
@@ -1693,6 +1760,53 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def account_register(
+        %{assigns: %{app: app}} = conn,
+        %{"username" => nickname, "email" => _, "password" => _, "agreement" => true} = params
+      ) do
+    params =
+      params
+      |> Map.take([
+        "email",
+        "captcha_solution",
+        "captcha_token",
+        "captcha_answer_data",
+        "token",
+        "password"
+      ])
+      |> Map.put("nickname", nickname)
+      |> Map.put("fullname", params["fullname"] || nickname)
+      |> Map.put("bio", params["bio"] || "")
+      |> Map.put("confirm", params["password"])
+
+    with {:ok, user} <- TwitterAPI.register_user(params, need_confirmation: true),
+         {:ok, token} <- Token.create_token(app, user, %{scopes: app.scopes}) do
+      json(conn, %{
+        token_type: "Bearer",
+        access_token: token.token,
+        scope: app.scopes,
+        created_at: Token.Utils.format_created_at(token)
+      })
+    else
+      {:error, errors} ->
+        conn
+        |> put_status(400)
+        |> json(Jason.encode!(errors))
+    end
+  end
+
+  def account_register(%{assigns: %{app: _app}} = conn, _params) do
+    conn
+    |> put_status(400)
+    |> json(%{error: "Missing parameters"})
+  end
+
+  def account_register(conn, _) do
+    conn
+    |> put_status(403)
+    |> json(%{error: "Invalid credentials"})
+  end
+
   def conversations(%{assigns: %{user: user}} = conn, params) do
     participations = Participation.for_user_with_last_activity_id(user, params)
 
diff --git a/lib/pleroma/web/mastodon_api/views/account_view.ex b/lib/pleroma/web/mastodon_api/views/account_view.ex
index 779b9a382..b82d3319b 100644
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@@ -40,7 +40,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
     follow_activity = Pleroma.Web.ActivityPub.Utils.fetch_latest_follow(user, target)
 
     requested =
-      if follow_activity do
+      if follow_activity && !User.following?(target, user) do
         follow_activity.data["state"] == "pending"
       else
         false
@@ -112,7 +112,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
       fields: fields,
       bot: bot,
       source: %{
-        note: "",
+        note: HTML.strip_tags((user.bio || "") |> String.replace("<br>", "\n")),
         sensitive: false,
         pleroma: %{}
       },
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index bd2372944..e55f9b96e 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -16,6 +16,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   alias Pleroma.Web.MastodonAPI.StatusView
   alias Pleroma.Web.MediaProxy
 
+  import Pleroma.Web.ActivityPub.Visibility, only: [get_visibility: 1]
+
   # TODO: Add cached version.
   defp get_replied_to_activities(activities) do
     activities
@@ -155,6 +157,12 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
 
     bookmarked = Activity.get_bookmark(activity, opts[:for]) != nil
 
+    thread_muted? =
+      case activity.thread_muted? do
+        thread_muted? when is_boolean(thread_muted?) -> thread_muted?
+        nil -> CommonAPI.thread_muted?(user, activity)
+      end
+
     attachment_data = object.data["attachment"] || []
     attachments = render_many(attachment_data, StatusView, "attachment.json", as: :attachment)
 
@@ -226,7 +234,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       reblogged: reblogged?(activity, opts[:for]),
       favourited: present?(favorited),
       bookmarked: present?(bookmarked),
-      muted: CommonAPI.thread_muted?(user, activity) || User.mutes?(opts[:for], user),
+      muted: thread_muted? || User.mutes?(opts[:for], user),
       pinned: pinned?(activity, user),
       sensitive: sensitive,
       spoiler_text: summary_html,
@@ -340,30 +348,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end
   end
 
-  def get_visibility(object) do
-    public = "https://www.w3.org/ns/activitystreams#Public"
-    to = object.data["to"] || []
-    cc = object.data["cc"] || []
-
-    cond do
-      public in to ->
-        "public"
-
-      public in cc ->
-        "unlisted"
-
-      # this should use the sql for the object's activity
-      Enum.any?(to, &String.contains?(&1, "/followers")) ->
-        "private"
-
-      length(cc) > 0 ->
-        "private"
-
-      true ->
-        "direct"
-    end
-  end
-
   def render_content(%{data: %{"type" => "Video"}} = object) 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"]}"
diff --git a/lib/pleroma/web/mongooseim/mongoose_im_controller.ex b/lib/pleroma/web/mongooseim/mongoose_im_controller.ex
new file mode 100644
index 000000000..489d5d3a5
--- /dev/null
+++ b/lib/pleroma/web/mongooseim/mongoose_im_controller.ex
@@ -0,0 +1,41 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MongooseIM.MongooseIMController do
+  use Pleroma.Web, :controller
+  alias Comeonin.Pbkdf2
+  alias Pleroma.Repo
+  alias Pleroma.User
+
+  def user_exists(conn, %{"user" => username}) do
+    with %User{} <- Repo.get_by(User, nickname: username, local: true) do
+      conn
+      |> json(true)
+    else
+      _ ->
+        conn
+        |> put_status(:not_found)
+        |> json(false)
+    end
+  end
+
+  def check_password(conn, %{"user" => username, "pass" => password}) do
+    with %User{password_hash: password_hash} <-
+           Repo.get_by(User, nickname: username, local: true),
+         true <- Pbkdf2.checkpw(password, password_hash) do
+      conn
+      |> json(true)
+    else
+      false ->
+        conn
+        |> put_status(403)
+        |> json(false)
+
+      _ ->
+        conn
+        |> put_status(:not_found)
+        |> json(false)
+    end
+  end
+end
diff --git a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
index 216a962bd..45f90c579 100644
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@@ -10,8 +10,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
   alias Pleroma.User
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.MRF
-
-  plug(Pleroma.Web.FederatingPlug)
+  alias Pleroma.Web.Federator.Publisher
 
   def schemas(conn, _params) do
     response = %{
@@ -137,7 +136,7 @@ defmodule Pleroma.Web.Nodeinfo.NodeinfoController do
         name: Pleroma.Application.name() |> String.downcase(),
         version: Pleroma.Application.version()
       },
-      protocols: ["ostatus", "activitypub"],
+      protocols: Publisher.gather_nodeinfo_protocol_names(),
       services: %{
         inbound: [],
         outbound: []
diff --git a/lib/pleroma/web/oauth/app.ex b/lib/pleroma/web/oauth/app.ex
index bccc2ac96..ddcdb1871 100644
--- a/lib/pleroma/web/oauth/app.ex
+++ b/lib/pleroma/web/oauth/app.ex
@@ -7,6 +7,7 @@ defmodule Pleroma.Web.OAuth.App do
   import Ecto.Changeset
 
   @type t :: %__MODULE__{}
+
   schema "apps" do
     field(:client_name, :string)
     field(:redirect_uris, :string)
diff --git a/lib/pleroma/web/oauth/authorization.ex b/lib/pleroma/web/oauth/authorization.ex
index ca3901cc4..18973413e 100644
--- a/lib/pleroma/web/oauth/authorization.ex
+++ b/lib/pleroma/web/oauth/authorization.ex
@@ -14,39 +14,57 @@ defmodule Pleroma.Web.OAuth.Authorization do
   import Ecto.Query
 
   @type t :: %__MODULE__{}
+
   schema "oauth_authorizations" do
     field(:token, :string)
     field(:scopes, {:array, :string}, default: [])
     field(:valid_until, :naive_datetime_usec)
     field(:used, :boolean, default: false)
-    belongs_to(:user, Pleroma.User, type: Pleroma.FlakeId)
+    belongs_to(:user, User, type: Pleroma.FlakeId)
     belongs_to(:app, App)
 
     timestamps()
   end
 
+  @spec create_authorization(App.t(), User.t() | %{}, [String.t()] | nil) ::
+          {:ok, Authorization.t()} | {:error, Changeset.t()}
   def create_authorization(%App{} = app, %User{} = user, scopes \\ nil) do
-    scopes = scopes || app.scopes
-    token = :crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
-
-    authorization = %Authorization{
-      token: token,
-      used: false,
+    %{
+      scopes: scopes || app.scopes,
       user_id: user.id,
-      app_id: app.id,
-      scopes: scopes,
-      valid_until: NaiveDateTime.add(NaiveDateTime.utc_now(), 60 * 10)
+      app_id: app.id
     }
+    |> create_changeset()
+    |> Repo.insert()
+  end
+
+  @spec create_changeset(map()) :: Changeset.t()
+  def create_changeset(attrs \\ %{}) do
+    %Authorization{}
+    |> cast(attrs, [:user_id, :app_id, :scopes, :valid_until])
+    |> validate_required([:app_id, :scopes])
+    |> add_token()
+    |> add_lifetime()
+  end
+
+  defp add_token(changeset) do
+    token = :crypto.strong_rand_bytes(32) |> Base.url_encode64(padding: false)
+    put_change(changeset, :token, token)
+  end
 
-    Repo.insert(authorization)
+  defp add_lifetime(changeset) do
+    put_change(changeset, :valid_until, NaiveDateTime.add(NaiveDateTime.utc_now(), 60 * 10))
   end
 
+  @spec use_changeset(Authtorizatiton.t(), map()) :: Changeset.t()
   def use_changeset(%Authorization{} = auth, params) do
     auth
     |> cast(params, [:used])
     |> validate_required([:used])
   end
 
+  @spec use_token(Authorization.t()) ::
+          {:ok, Authorization.t()} | {:error, Changeset.t()} | {:error, String.t()}
   def use_token(%Authorization{used: false, valid_until: valid_until} = auth) do
     if NaiveDateTime.diff(NaiveDateTime.utc_now(), valid_until) < 0 do
       Repo.update(use_changeset(auth, %{used: true}))
@@ -57,6 +75,7 @@ defmodule Pleroma.Web.OAuth.Authorization do
 
   def use_token(%Authorization{used: true}), do: {:error, "already used"}
 
+  @spec delete_user_authorizations(User.t()) :: {integer(), any()}
   def delete_user_authorizations(%User{id: user_id}) do
     from(
       a in Pleroma.Web.OAuth.Authorization,
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 8ee0da667..ae2b80d95 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -19,8 +19,6 @@ defmodule Pleroma.Web.OAuth.OAuthController do
 
   if Pleroma.Config.oauth_consumer_enabled?(), do: plug(Ueberauth)
 
-  @expires_in Pleroma.Config.get([:oauth2, :token_expires_in], 600)
-
   plug(:fetch_session)
   plug(:fetch_flash)
 
@@ -144,14 +142,14 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   @doc "Renew access_token with refresh_token"
   def token_exchange(
         conn,
-        %{"grant_type" => "refresh_token", "refresh_token" => token} = params
+        %{"grant_type" => "refresh_token", "refresh_token" => token} = _params
       ) do
-    with %App{} = app <- get_app_from_request(conn, params),
+    with {:ok, app} <- Token.Utils.fetch_app(conn),
          {:ok, %{user: user} = token} <- Token.get_by_refresh_token(app, token),
          {:ok, token} <- RefreshToken.grant(token) do
       response_attrs = %{created_at: Token.Utils.format_created_at(token)}
 
-      json(conn, response_token(user, token, response_attrs))
+      json(conn, Token.Response.build(user, token, response_attrs))
     else
       _error ->
         put_status(conn, 400)
@@ -160,14 +158,14 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   end
 
   def token_exchange(conn, %{"grant_type" => "authorization_code"} = params) do
-    with %App{} = app <- get_app_from_request(conn, params),
+    with {:ok, app} <- Token.Utils.fetch_app(conn),
          fixed_token = Token.Utils.fix_padding(params["code"]),
          {:ok, auth} <- Authorization.get_by_token(app, fixed_token),
          %User{} = user <- User.get_cached_by_id(auth.user_id),
          {:ok, token} <- Token.exchange_token(app, auth) do
       response_attrs = %{created_at: Token.Utils.format_created_at(token)}
 
-      json(conn, response_token(user, token, response_attrs))
+      json(conn, Token.Response.build(user, token, response_attrs))
     else
       _error ->
         put_status(conn, 400)
@@ -179,14 +177,14 @@ defmodule Pleroma.Web.OAuth.OAuthController do
         conn,
         %{"grant_type" => "password"} = params
       ) do
-    with {_, {:ok, %User{} = user}} <- {:get_user, Authenticator.get_user(conn)},
-         %App{} = app <- get_app_from_request(conn, params),
+    with {:ok, %User{} = user} <- Authenticator.get_user(conn),
+         {:ok, app} <- Token.Utils.fetch_app(conn),
          {:auth_active, true} <- {:auth_active, User.auth_active?(user)},
          {:user_active, true} <- {:user_active, !user.info.deactivated},
          {:ok, scopes} <- validate_scopes(app, params),
          {:ok, auth} <- Authorization.create_authorization(app, user, scopes),
          {:ok, token} <- Token.exchange_token(app, auth) do
-      json(conn, response_token(user, token))
+      json(conn, Token.Response.build(user, token))
     else
       {:auth_active, false} ->
         # Per https://github.com/tootsuite/mastodon/blob/
@@ -218,11 +216,23 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     token_exchange(conn, params)
   end
 
+  def token_exchange(conn, %{"grant_type" => "client_credentials"} = _params) do
+    with {:ok, app} <- Token.Utils.fetch_app(conn),
+         {:ok, auth} <- Authorization.create_authorization(app, %User{}),
+         {:ok, token} <- Token.exchange_token(app, auth) do
+      json(conn, Token.Response.build_for_client_credentials(token))
+    else
+      _error ->
+        put_status(conn, 400)
+        |> json(%{error: "Invalid credentials"})
+    end
+  end
+
   # Bad request
   def token_exchange(conn, params), do: bad_request(conn, params)
 
   def token_revoke(conn, %{"token" => _token} = params) do
-    with %App{} = app <- get_app_from_request(conn, params),
+    with {:ok, app} <- Token.Utils.fetch_app(conn),
          {:ok, _token} <- RevokeToken.revoke(app, params) do
       json(conn, %{})
     else
@@ -252,7 +262,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
       auth_attrs
       |> Map.delete("scopes")
       |> Map.put("scope", scope)
-      |> Poison.encode!()
+      |> Jason.encode!()
 
     params =
       auth_attrs
@@ -316,7 +326,7 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   end
 
   defp callback_params(%{"state" => state} = params) do
-    Map.merge(params, Poison.decode!(state))
+    Map.merge(params, Jason.decode!(state))
   end
 
   def registration_details(conn, %{"authorization" => auth_attrs}) do
@@ -405,33 +415,6 @@ defmodule Pleroma.Web.OAuth.OAuthController do
     end
   end
 
-  defp get_app_from_request(conn, params) do
-    conn
-    |> fetch_client_credentials(params)
-    |> fetch_client
-  end
-
-  defp fetch_client({id, secret}) when is_binary(id) and is_binary(secret) do
-    Repo.get_by(App, client_id: id, client_secret: secret)
-  end
-
-  defp fetch_client({_id, _secret}), do: nil
-
-  defp fetch_client_credentials(conn, params) do
-    # Per RFC 6749, HTTP Basic is preferred to body params
-    with ["Basic " <> encoded] <- get_req_header(conn, "authorization"),
-         {:ok, decoded} <- Base.decode64(encoded),
-         [id, secret] <-
-           Enum.map(
-             String.split(decoded, ":"),
-             fn s -> URI.decode_www_form(s) end
-           ) do
-      {id, secret}
-    else
-      _ -> {params["client_id"], params["client_secret"]}
-    end
-  end
-
   # Special case: Local MastodonFE
   defp redirect_uri(conn, "."), do: mastodon_api_url(conn, :login)
 
@@ -442,18 +425,6 @@ defmodule Pleroma.Web.OAuth.OAuthController do
   defp put_session_registration_id(conn, registration_id),
     do: put_session(conn, :registration_id, registration_id)
 
-  defp response_token(%User{} = user, token, opts \\ %{}) do
-    %{
-      token_type: "Bearer",
-      access_token: token.token,
-      refresh_token: token.refresh_token,
-      expires_in: @expires_in,
-      scope: Enum.join(token.scopes, " "),
-      me: user.ap_id
-    }
-    |> Map.merge(opts)
-  end
-
   @spec validate_scopes(App.t(), map()) ::
           {:ok, list()} | {:error, :missing_scopes | :unsupported_scopes}
   defp validate_scopes(app, params) do
diff --git a/lib/pleroma/web/oauth/token.ex b/lib/pleroma/web/oauth/token.ex
index 4e5d1d118..f412f7eb2 100644
--- a/lib/pleroma/web/oauth/token.ex
+++ b/lib/pleroma/web/oauth/token.ex
@@ -5,7 +5,6 @@
 defmodule Pleroma.Web.OAuth.Token do
   use Ecto.Schema
 
-  import Ecto.Query
   import Ecto.Changeset
 
   alias Pleroma.Repo
@@ -13,6 +12,7 @@ defmodule Pleroma.Web.OAuth.Token do
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
   alias Pleroma.Web.OAuth.Token
+  alias Pleroma.Web.OAuth.Token.Query
 
   @expires_in Pleroma.Config.get([:oauth2, :token_expires_in], 600)
   @type t :: %__MODULE__{}
@@ -22,7 +22,7 @@ defmodule Pleroma.Web.OAuth.Token do
     field(:refresh_token, :string)
     field(:scopes, {:array, :string}, default: [])
     field(:valid_until, :naive_datetime_usec)
-    belongs_to(:user, Pleroma.User, type: Pleroma.FlakeId)
+    belongs_to(:user, User, type: Pleroma.FlakeId)
     belongs_to(:app, App)
 
     timestamps()
@@ -31,26 +31,30 @@ defmodule Pleroma.Web.OAuth.Token do
   @doc "Gets token for app by access token"
   @spec get_by_token(App.t(), String.t()) :: {:ok, t()} | {:error, :not_found}
   def get_by_token(%App{id: app_id} = _app, token) do
-    from(t in __MODULE__, where: t.app_id == ^app_id and t.token == ^token)
+    Query.get_by_app(app_id)
+    |> Query.get_by_token(token)
     |> Repo.find_resource()
   end
 
   @doc "Gets token for app by refresh token"
   @spec get_by_refresh_token(App.t(), String.t()) :: {:ok, t()} | {:error, :not_found}
   def get_by_refresh_token(%App{id: app_id} = _app, token) do
-    from(t in __MODULE__,
-      where: t.app_id == ^app_id and t.refresh_token == ^token,
-      preload: [:user]
-    )
+    Query.get_by_app(app_id)
+    |> Query.get_by_refresh_token(token)
+    |> Query.preload([:user])
     |> Repo.find_resource()
   end
 
+  @spec exchange_token(App.t(), Authorization.t()) ::
+          {:ok, Token.t()} | {:error, Changeset.t()}
   def exchange_token(app, auth) do
     with {:ok, auth} <- Authorization.use_token(auth),
          true <- auth.app_id == app.id do
+      user = if auth.user_id, do: User.get_cached_by_id(auth.user_id), else: %User{}
+
       create_token(
         app,
-        User.get_cached_by_id(auth.user_id),
+        user,
         %{scopes: auth.scopes}
       )
     end
@@ -81,40 +85,37 @@ defmodule Pleroma.Web.OAuth.Token do
     |> validate_required([:valid_until])
   end
 
+  @spec create_token(App.t(), User.t(), map()) :: {:ok, Token} | {:error, Changeset.t()}
   def create_token(%App{} = app, %User{} = user, attrs \\ %{}) do
     %__MODULE__{user_id: user.id, app_id: app.id}
     |> cast(%{scopes: attrs[:scopes] || app.scopes}, [:scopes])
-    |> validate_required([:scopes, :user_id, :app_id])
+    |> validate_required([:scopes, :app_id])
     |> put_valid_until(attrs)
-    |> put_token
+    |> put_token()
     |> put_refresh_token(attrs)
     |> Repo.insert()
   end
 
   def delete_user_tokens(%User{id: user_id}) do
-    from(
-      t in Token,
-      where: t.user_id == ^user_id
-    )
+    Query.get_by_user(user_id)
     |> Repo.delete_all()
   end
 
   def delete_user_token(%User{id: user_id}, token_id) do
-    from(
-      t in Token,
-      where: t.user_id == ^user_id,
-      where: t.id == ^token_id
-    )
+    Query.get_by_user(user_id)
+    |> Query.get_by_id(token_id)
+    |> Repo.delete_all()
+  end
+
+  def delete_expired_tokens do
+    Query.get_expired_tokens()
     |> Repo.delete_all()
   end
 
   def get_user_tokens(%User{id: user_id}) do
-    from(
-      t in Token,
-      where: t.user_id == ^user_id
-    )
+    Query.get_by_user(user_id)
+    |> Query.preload([:app])
     |> Repo.all()
-    |> Repo.preload(:app)
   end
 
   def is_expired?(%__MODULE__{valid_until: valid_until}) do
diff --git a/lib/pleroma/web/oauth/token/clean_worker.ex b/lib/pleroma/web/oauth/token/clean_worker.ex
new file mode 100644
index 000000000..dca852449
--- /dev/null
+++ b/lib/pleroma/web/oauth/token/clean_worker.ex
@@ -0,0 +1,41 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.OAuth.Token.CleanWorker do
+  @moduledoc """
+  The module represents functions to clean an expired oauth tokens.
+  """
+
+  # 10 seconds
+  @start_interval 10_000
+  @interval Pleroma.Config.get(
+              # 24 hours
+              [:oauth2, :clean_expired_tokens_interval],
+              86_400_000
+            )
+  @queue :background
+
+  alias Pleroma.Web.OAuth.Token
+
+  def start_link, do: GenServer.start_link(__MODULE__, nil)
+
+  def init(_) do
+    if Pleroma.Config.get([:oauth2, :clean_expired_tokens], false) do
+      Process.send_after(self(), :perform, @start_interval)
+      {:ok, nil}
+    else
+      :ignore
+    end
+  end
+
+  @doc false
+  def handle_info(:perform, state) do
+    Process.send_after(self(), :perform, @interval)
+    PleromaJobQueue.enqueue(@queue, __MODULE__, [:clean])
+    {:noreply, state}
+  end
+
+  # Job Worker Callbacks
+  def perform(:clean), do: Token.delete_expired_tokens()
+end
diff --git a/lib/pleroma/web/oauth/token/query.ex b/lib/pleroma/web/oauth/token/query.ex
new file mode 100644
index 000000000..d92e1f071
--- /dev/null
+++ b/lib/pleroma/web/oauth/token/query.ex
@@ -0,0 +1,55 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.OAuth.Token.Query do
+  @moduledoc """
+  Contains queries for OAuth Token.
+  """
+
+  import Ecto.Query, only: [from: 2]
+
+  @type query :: Ecto.Queryable.t() | Token.t()
+
+  alias Pleroma.Web.OAuth.Token
+
+  @spec get_by_refresh_token(query, String.t()) :: query
+  def get_by_refresh_token(query \\ Token, refresh_token) do
+    from(q in query, where: q.refresh_token == ^refresh_token)
+  end
+
+  @spec get_by_token(query, String.t()) :: query
+  def get_by_token(query \\ Token, token) do
+    from(q in query, where: q.token == ^token)
+  end
+
+  @spec get_by_app(query, String.t()) :: query
+  def get_by_app(query \\ Token, app_id) do
+    from(q in query, where: q.app_id == ^app_id)
+  end
+
+  @spec get_by_id(query, String.t()) :: query
+  def get_by_id(query \\ Token, id) do
+    from(q in query, where: q.id == ^id)
+  end
+
+  @spec get_expired_tokens(query, DateTime.t() | nil) :: query
+  def get_expired_tokens(query \\ Token, date \\ nil) do
+    expired_date = date || Timex.now()
+    from(q in query, where: fragment("?", q.valid_until) < ^expired_date)
+  end
+
+  @spec get_by_user(query, String.t()) :: query
+  def get_by_user(query \\ Token, user_id) do
+    from(q in query, where: q.user_id == ^user_id)
+  end
+
+  @spec preload(query, any) :: query
+  def preload(query \\ Token, assoc_preload \\ [])
+
+  def preload(query, assoc_preload) when is_list(assoc_preload) do
+    from(q in query, preload: ^assoc_preload)
+  end
+
+  def preload(query, _assoc_preload), do: query
+end
diff --git a/lib/pleroma/web/oauth/token/response.ex b/lib/pleroma/web/oauth/token/response.ex
new file mode 100644
index 000000000..64e78b183
--- /dev/null
+++ b/lib/pleroma/web/oauth/token/response.ex
@@ -0,0 +1,32 @@
+defmodule Pleroma.Web.OAuth.Token.Response do
+  @moduledoc false
+
+  alias Pleroma.User
+  alias Pleroma.Web.OAuth.Token.Utils
+
+  @expires_in Pleroma.Config.get([:oauth2, :token_expires_in], 600)
+
+  @doc false
+  def build(%User{} = user, token, opts \\ %{}) do
+    %{
+      token_type: "Bearer",
+      access_token: token.token,
+      refresh_token: token.refresh_token,
+      expires_in: @expires_in,
+      scope: Enum.join(token.scopes, " "),
+      me: user.ap_id
+    }
+    |> Map.merge(opts)
+  end
+
+  def build_for_client_credentials(token) do
+    %{
+      token_type: "Bearer",
+      access_token: token.token,
+      refresh_token: token.refresh_token,
+      created_at: Utils.format_created_at(token),
+      expires_in: @expires_in,
+      scope: Enum.join(token.scopes, " ")
+    }
+  end
+end
diff --git a/lib/pleroma/web/oauth/token/utils.ex b/lib/pleroma/web/oauth/token/utils.ex
index a81560a1c..7a4fddafd 100644
--- a/lib/pleroma/web/oauth/token/utils.ex
+++ b/lib/pleroma/web/oauth/token/utils.ex
@@ -3,6 +3,44 @@ defmodule Pleroma.Web.OAuth.Token.Utils do
   Auxiliary functions for dealing with tokens.
   """
 
+  alias Pleroma.Repo
+  alias Pleroma.Web.OAuth.App
+
+  @doc "Fetch app by client credentials from request"
+  @spec fetch_app(Plug.Conn.t()) :: {:ok, App.t()} | {:error, :not_found}
+  def fetch_app(conn) do
+    res =
+      conn
+      |> fetch_client_credentials()
+      |> fetch_client
+
+    case res do
+      %App{} = app -> {:ok, app}
+      _ -> {:error, :not_found}
+    end
+  end
+
+  defp fetch_client({id, secret}) when is_binary(id) and is_binary(secret) do
+    Repo.get_by(App, client_id: id, client_secret: secret)
+  end
+
+  defp fetch_client({_id, _secret}), do: nil
+
+  defp fetch_client_credentials(conn) do
+    # Per RFC 6749, HTTP Basic is preferred to body params
+    with ["Basic " <> encoded] <- Plug.Conn.get_req_header(conn, "authorization"),
+         {:ok, decoded} <- Base.decode64(encoded),
+         [id, secret] <-
+           Enum.map(
+             String.split(decoded, ":"),
+             fn s -> URI.decode_www_form(s) end
+           ) do
+      {id, secret}
+    else
+      _ -> {conn.params["client_id"], conn.params["client_secret"]}
+    end
+  end
+
   @doc "convert token inserted_at to unix timestamp"
   def format_created_at(%{inserted_at: inserted_at} = _token) do
     inserted_at
diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index 166691a09..95037125d 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -18,15 +18,18 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
     end
   end
 
-  defp get_in_reply_to(%{"object" => %{"inReplyTo" => in_reply_to}}) do
-    [
-      {:"thr:in-reply-to",
-       [ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}
-    ]
+  defp get_in_reply_to(activity) do
+    with %Object{data: %{"inReplyTo" => in_reply_to}} <- Object.normalize(activity) do
+      [
+        {:"thr:in-reply-to",
+         [ref: to_charlist(in_reply_to), href: to_charlist(get_href(in_reply_to))], []}
+      ]
+    else
+      _ ->
+        []
+    end
   end
 
-  defp get_in_reply_to(_), do: []
-
   defp get_mentions(to) do
     Enum.map(to, fn id ->
       cond do
@@ -98,7 +101,7 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
          []}
       end)
 
-    in_reply_to = get_in_reply_to(activity.data)
+    in_reply_to = get_in_reply_to(activity)
     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
     mentions = activity.recipients |> get_mentions
 
@@ -146,7 +149,6 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
     updated_at = activity.data["published"]
     inserted_at = activity.data["published"]
 
-    _in_reply_to = get_in_reply_to(activity.data)
     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
     mentions = activity.recipients |> get_mentions
 
@@ -177,7 +179,6 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
     updated_at = activity.data["published"]
     inserted_at = activity.data["published"]
 
-    _in_reply_to = get_in_reply_to(activity.data)
     author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
 
     retweeted_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
index 4744c6d83..6ed089d84 100644
--- a/lib/pleroma/web/ostatus/ostatus.ex
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -3,19 +3,19 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.OStatus do
-  @httpoison Application.get_env(:pleroma, :httpoison)
-
   import Ecto.Query
   import Pleroma.Web.XML
   require Logger
 
   alias Pleroma.Activity
+  alias Pleroma.HTTP
   alias Pleroma.Object
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.OStatus.DeleteHandler
   alias Pleroma.Web.OStatus.FollowHandler
   alias Pleroma.Web.OStatus.NoteHandler
@@ -30,7 +30,7 @@ defmodule Pleroma.Web.OStatus do
       is_nil(object) ->
         false
 
-      object.data["type"] == "Note" ->
+      Visibility.is_public?(activity) && object.data["type"] == "Note" ->
         true
 
       true ->
@@ -362,7 +362,7 @@ defmodule Pleroma.Web.OStatus do
   def fetch_activity_from_atom_url(url) do
     with true <- String.starts_with?(url, "http"),
          {:ok, %{body: body, status: code}} when code in 200..299 <-
-           @httpoison.get(
+           HTTP.get(
              url,
              [{:Accept, "application/atom+xml"}]
            ) do
@@ -379,7 +379,7 @@ defmodule Pleroma.Web.OStatus do
     Logger.debug("Trying to fetch #{url}")
 
     with true <- String.starts_with?(url, "http"),
-         {:ok, %{body: body}} <- @httpoison.get(url, []),
+         {:ok, %{body: body}} <- HTTP.get(url, []),
          {:ok, atom_url} <- get_atom_url(body) do
       fetch_activity_from_atom_url(atom_url)
     else
diff --git a/lib/pleroma/web/rich_media/helpers.ex b/lib/pleroma/web/rich_media/helpers.ex
index f67aaf58b..9bc8f2559 100644
--- a/lib/pleroma/web/rich_media/helpers.ex
+++ b/lib/pleroma/web/rich_media/helpers.ex
@@ -24,6 +24,7 @@ defmodule Pleroma.Web.RichMedia.Helpers do
   def fetch_data_for_activity(%Activity{data: %{"type" => "Create"}} = activity) do
     with true <- Pleroma.Config.get([:rich_media, :enabled]),
          %Object{} = object <- Object.normalize(activity),
+         false <- object.data["sensitive"] || false,
          {:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
          :ok <- validate_page_url(page_url),
          {:ok, rich_media} <- Parser.parse(page_url) do
@@ -34,4 +35,6 @@ defmodule Pleroma.Web.RichMedia.Helpers do
   end
 
   def fetch_data_for_activity(_), do: %{}
+
+  def perform(:fetch, %Activity{} = activity), do: fetch_data_for_activity(activity)
 end
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 2b2e21c48..8b7dc9af6 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -84,11 +84,13 @@ defmodule Pleroma.Web.Router do
     plug(Pleroma.Plugs.EnsureUserKeyPlug)
   end
 
-  pipeline :oauth_read_or_unauthenticated do
+  pipeline :oauth_read_or_public do
     plug(Pleroma.Plugs.OAuthScopesPlug, %{
       scopes: ["read"],
       fallback: :proceed_unauthenticated
     })
+
+    plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
   end
 
   pipeline :oauth_read do
@@ -146,34 +148,60 @@ defmodule Pleroma.Web.Router do
   scope "/api/pleroma/admin", Pleroma.Web.AdminAPI do
     pipe_through([:admin_api, :oauth_write])
 
-    post("/user/follow", AdminAPIController, :user_follow)
-    post("/user/unfollow", AdminAPIController, :user_unfollow)
-
-    get("/users", AdminAPIController, :list_users)
-    get("/users/:nickname", AdminAPIController, :user_show)
+    post("/users/follow", AdminAPIController, :user_follow)
+    post("/users/unfollow", AdminAPIController, :user_unfollow)
 
+    # TODO: to be removed at version 1.0
     delete("/user", AdminAPIController, :user_delete)
-    patch("/users/:nickname/toggle_activation", AdminAPIController, :user_toggle_activation)
     post("/user", AdminAPIController, :user_create)
+
+    delete("/users", AdminAPIController, :user_delete)
+    post("/users", AdminAPIController, :user_create)
+    patch("/users/:nickname/toggle_activation", AdminAPIController, :user_toggle_activation)
     put("/users/tag", AdminAPIController, :tag_users)
     delete("/users/tag", AdminAPIController, :untag_users)
 
+    # TODO: to be removed at version 1.0
     get("/permission_group/:nickname", AdminAPIController, :right_get)
     get("/permission_group/:nickname/:permission_group", AdminAPIController, :right_get)
     post("/permission_group/:nickname/:permission_group", AdminAPIController, :right_add)
     delete("/permission_group/:nickname/:permission_group", AdminAPIController, :right_delete)
 
-    put("/activation_status/:nickname", AdminAPIController, :set_activation_status)
+    get("/users/:nickname/permission_group", AdminAPIController, :right_get)
+    get("/users/:nickname/permission_group/:permission_group", AdminAPIController, :right_get)
+    post("/users/:nickname/permission_group/:permission_group", AdminAPIController, :right_add)
+
+    delete(
+      "/users/:nickname/permission_group/:permission_group",
+      AdminAPIController,
+      :right_delete
+    )
+
+    put("/users/:nickname/activation_status", AdminAPIController, :set_activation_status)
 
     post("/relay", AdminAPIController, :relay_follow)
     delete("/relay", AdminAPIController, :relay_unfollow)
 
-    get("/invite_token", AdminAPIController, :get_invite_token)
-    get("/invites", AdminAPIController, :invites)
-    post("/revoke_invite", AdminAPIController, :revoke_invite)
-    post("/email_invite", AdminAPIController, :email_invite)
+    get("/users/invite_token", AdminAPIController, :get_invite_token)
+    get("/users/invites", AdminAPIController, :invites)
+    post("/users/revoke_invite", AdminAPIController, :revoke_invite)
+    post("/users/email_invite", AdminAPIController, :email_invite)
 
+    # TODO: to be removed at version 1.0
     get("/password_reset", AdminAPIController, :get_password_reset)
+
+    get("/users/:nickname/password_reset", AdminAPIController, :get_password_reset)
+
+    get("/users", AdminAPIController, :list_users)
+    get("/users/:nickname", AdminAPIController, :user_show)
+
+    get("/reports", AdminAPIController, :list_reports)
+    get("/reports/:id", AdminAPIController, :report_show)
+    put("/reports/:id", AdminAPIController, :report_update_state)
+    post("/reports/:id/respond", AdminAPIController, :report_respond)
+
+    put("/statuses/:id", AdminAPIController, :status_update)
+    delete("/statuses/:id", AdminAPIController, :status_delete)
   end
 
   scope "/", Pleroma.Web.TwitterAPI do
@@ -197,6 +225,7 @@ defmodule Pleroma.Web.Router do
       post("/change_password", UtilController, :change_password)
       post("/delete_account", UtilController, :delete_account)
       put("/notification_settings", UtilController, :update_notificaton_settings)
+      post("/disable_account", UtilController, :disable_account)
     end
 
     scope [] do
@@ -323,6 +352,9 @@ defmodule Pleroma.Web.Router do
 
       post("/pleroma/flavour/:flavour", MastodonAPIController, :set_flavour)
 
+      get("/pleroma/mascot", MastodonAPIController, :get_mascot)
+      put("/pleroma/mascot", MastodonAPIController, :set_mascot)
+
       post("/reports", MastodonAPIController, :reports)
     end
 
@@ -367,6 +399,8 @@ defmodule Pleroma.Web.Router do
   scope "/api/v1", Pleroma.Web.MastodonAPI do
     pipe_through(:api)
 
+    post("/accounts", MastodonAPIController, :account_register)
+
     get("/instance", MastodonAPIController, :masto_instance)
     get("/instance/peers", MastodonAPIController, :peers)
     post("/apps", MastodonAPIController, :create_app)
@@ -380,10 +414,15 @@ defmodule Pleroma.Web.Router do
 
     get("/trends", MastodonAPIController, :empty_array)
 
-    get("/accounts/search", MastodonAPIController, :account_search)
+    scope [] do
+      pipe_through(:oauth_read)
+
+      get("/search", MastodonAPIController, :search)
+      get("/accounts/search", MastodonAPIController, :account_search)
+    end
 
     scope [] do
-      pipe_through(:oauth_read_or_unauthenticated)
+      pipe_through(:oauth_read_or_public)
 
       get("/timelines/public", MastodonAPIController, :public_timeline)
       get("/timelines/tag/:tag", MastodonAPIController, :hashtag_timeline)
@@ -397,14 +436,12 @@ defmodule Pleroma.Web.Router do
       get("/accounts/:id/following", MastodonAPIController, :following)
       get("/accounts/:id", MastodonAPIController, :user)
 
-      get("/search", MastodonAPIController, :search)
-
       get("/pleroma/accounts/:id/favourites", MastodonAPIController, :user_favourites)
     end
   end
 
   scope "/api/v2", Pleroma.Web.MastodonAPI do
-    pipe_through([:api, :oauth_read_or_unauthenticated])
+    pipe_through([:api, :oauth_read])
     get("/search", MastodonAPIController, :search2)
   end
 
@@ -434,7 +471,7 @@ defmodule Pleroma.Web.Router do
     )
 
     scope [] do
-      pipe_through(:oauth_read_or_unauthenticated)
+      pipe_through(:oauth_read_or_public)
 
       get("/statuses/user_timeline", TwitterAPI.Controller, :user_timeline)
       get("/qvitter/statuses/user_timeline", TwitterAPI.Controller, :user_timeline)
@@ -446,13 +483,18 @@ defmodule Pleroma.Web.Router do
       get("/statuses/show/:id", TwitterAPI.Controller, :fetch_status)
       get("/statusnet/conversation/:id", TwitterAPI.Controller, :fetch_conversation)
 
-      get("/search", TwitterAPI.Controller, :search)
       get("/statusnet/tags/timeline/:tag", TwitterAPI.Controller, :public_and_external_timeline)
     end
+
+    scope [] do
+      pipe_through(:oauth_read)
+
+      get("/search", TwitterAPI.Controller, :search)
+    end
   end
 
   scope "/api", Pleroma.Web do
-    pipe_through([:api, :oauth_read_or_unauthenticated])
+    pipe_through([:api, :oauth_read_or_public])
 
     get("/statuses/public_timeline", TwitterAPI.Controller, :public_timeline)
 
@@ -466,7 +508,7 @@ defmodule Pleroma.Web.Router do
   end
 
   scope "/api", Pleroma.Web, as: :twitter_api_search do
-    pipe_through([:api, :oauth_read_or_unauthenticated])
+    pipe_through([:api, :oauth_read])
     get("/pleroma/search_user", TwitterAPI.Controller, :search_user)
   end
 
@@ -652,7 +694,7 @@ defmodule Pleroma.Web.Router do
     delete("/auth/sign_out", MastodonAPIController, :logout)
 
     scope [] do
-      pipe_through(:oauth_read_or_unauthenticated)
+      pipe_through(:oauth_read_or_public)
       get("/web/*path", MastodonAPIController, :index)
     end
   end
@@ -675,9 +717,15 @@ defmodule Pleroma.Web.Router do
     end
   end
 
+  scope "/", Pleroma.Web.MongooseIM do
+    get("/user_exists", MongooseIMController, :user_exists)
+    get("/check_password", MongooseIMController, :check_password)
+  end
+
   scope "/", Fallback do
     get("/registration/:token", RedirectController, :registration_page)
     get("/:maybe_nickname_or_id", RedirectController, :redirector_with_meta)
+    get("/api*path", RedirectController, :api_not_implemented)
     get("/*path", RedirectController, :redirector)
 
     options("/*path", RedirectController, :empty)
@@ -689,6 +737,12 @@ defmodule Fallback.RedirectController do
   alias Pleroma.User
   alias Pleroma.Web.Metadata
 
+  def api_not_implemented(conn, _params) do
+    conn
+    |> put_status(404)
+    |> json(%{error: "Not implemented"})
+  end
+
   def redirector(conn, _params, code \\ 200) do
     conn
     |> put_resp_content_type("text/html")
diff --git a/lib/pleroma/web/salmon/salmon.ex b/lib/pleroma/web/salmon/salmon.ex
index 0a9e51656..9e91a5a40 100644
--- a/lib/pleroma/web/salmon/salmon.ex
+++ b/lib/pleroma/web/salmon/salmon.ex
@@ -3,12 +3,18 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Salmon do
-  @httpoison Application.get_env(:pleroma, :httpoison)
+  @behaviour Pleroma.Web.Federator.Publisher
 
   use Bitwise
 
+  alias Pleroma.Activity
+  alias Pleroma.HTTP
   alias Pleroma.Instances
+  alias Pleroma.Keys
   alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.Federator.Publisher
+  alias Pleroma.Web.OStatus
   alias Pleroma.Web.OStatus.ActivityRepresenter
   alias Pleroma.Web.XML
 
@@ -83,45 +89,6 @@ defmodule Pleroma.Web.Salmon do
     "RSA.#{modulus_enc}.#{exponent_enc}"
   end
 
-  # Native generation of RSA keys is only available since OTP 20+ and in default build conditions
-  # We try at compile time to generate natively an RSA key otherwise we fallback on the old way.
-  try do
-    _ = :public_key.generate_key({:rsa, 2048, 65_537})
-
-    def generate_rsa_pem do
-      key = :public_key.generate_key({:rsa, 2048, 65_537})
-      entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
-      pem = :public_key.pem_encode([entry]) |> String.trim_trailing()
-      {:ok, pem}
-    end
-  rescue
-    _ ->
-      def generate_rsa_pem do
-        port = Port.open({:spawn, "openssl genrsa"}, [:binary])
-
-        {:ok, pem} =
-          receive do
-            {^port, {:data, pem}} -> {:ok, pem}
-          end
-
-        Port.close(port)
-
-        if Regex.match?(~r/RSA PRIVATE KEY/, pem) do
-          {:ok, pem}
-        else
-          :error
-        end
-      end
-  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}
-  end
-
   def encode(private_key, doc) do
     type = "application/atom+xml"
     encoding = "base64url"
@@ -165,12 +132,12 @@ defmodule Pleroma.Web.Salmon do
   end
 
   @doc "Pushes an activity to remote account."
-  def send_to_user(%{recipient: %{info: %{salmon: salmon}}} = params),
-    do: send_to_user(Map.put(params, :recipient, salmon))
+  def publish_one(%{recipient: %{info: %{salmon: salmon}}} = params),
+    do: publish_one(Map.put(params, :recipient, salmon))
 
-  def send_to_user(%{recipient: url, feed: feed, poster: poster} = params) when is_binary(url) do
+  def publish_one(%{recipient: url, feed: feed} = params) when is_binary(url) do
     with {:ok, %{status: code}} when code in 200..299 <-
-           poster.(
+           HTTP.post(
              url,
              feed,
              [{"Content-Type", "application/magic-envelope+xml"}]
@@ -184,11 +151,11 @@ defmodule Pleroma.Web.Salmon do
       e ->
         unless params[:unreachable_since], do: Instances.set_reachable(url)
         Logger.debug(fn -> "Pushing Salmon to #{url} failed, #{inspect(e)}" end)
-        :error
+        {:error, "Unreachable instance"}
     end
   end
 
-  def send_to_user(_), do: :noop
+  def publish_one(_), do: :noop
 
   @supported_activities [
     "Create",
@@ -199,13 +166,19 @@ defmodule Pleroma.Web.Salmon do
     "Delete"
   ]
 
+  def is_representable?(%Activity{data: %{"type" => type}} = activity)
+      when type in @supported_activities,
+      do: Visibility.is_public?(activity)
+
+  def is_representable?(_), do: false
+
   @doc """
   Publishes an activity to remote accounts
   """
-  @spec publish(User.t(), Pleroma.Activity.t(), Pleroma.HTTP.t()) :: none
-  def publish(user, activity, poster \\ &@httpoison.post/3)
+  @spec publish(User.t(), Pleroma.Activity.t()) :: none
+  def publish(user, activity)
 
-  def publish(%{info: %{keys: keys}} = user, %{data: %{"type" => type}} = activity, poster)
+  def publish(%{info: %{keys: keys}} = user, %{data: %{"type" => type}} = activity)
       when type in @supported_activities do
     feed = ActivityRepresenter.to_simple_form(activity, user, true)
 
@@ -215,7 +188,7 @@ defmodule Pleroma.Web.Salmon do
         |> :xmerl.export_simple(:xmerl_xml)
         |> to_string
 
-      {:ok, private, _} = keys_from_pem(keys)
+      {:ok, private, _} = Keys.keys_from_pem(keys)
       {:ok, feed} = encode(private, feed)
 
       remote_users = remote_users(activity)
@@ -229,15 +202,29 @@ defmodule Pleroma.Web.Salmon do
       |> Enum.each(fn remote_user ->
         Logger.debug(fn -> "Sending Salmon to #{remote_user.ap_id}" end)
 
-        Pleroma.Web.Federator.publish_single_salmon(%{
+        Publisher.enqueue_one(__MODULE__, %{
           recipient: remote_user,
           feed: feed,
-          poster: poster,
           unreachable_since: reachable_urls_metadata[remote_user.info.salmon]
         })
       end)
     end
   end
 
-  def publish(%{id: id}, _, _), do: Logger.debug(fn -> "Keys missing for user #{id}" end)
+  def publish(%{id: id}, _), do: Logger.debug(fn -> "Keys missing for user #{id}" end)
+
+  def gather_webfinger_links(%User{} = user) do
+    {:ok, _private, public} = Keys.keys_from_pem(user.info.keys)
+    magic_key = encode_key(public)
+
+    [
+      %{"rel" => "salmon", "href" => OStatus.salmon_path(user)},
+      %{
+        "rel" => "magic-public-key",
+        "href" => "data:application/magic-public-key,#{magic_key}"
+      }
+    ]
+  end
+
+  def gather_nodeinfo_protocol_names, do: []
 end
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index c03f8ab3a..489170d80 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -173,8 +173,6 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
 
   def config(conn, _params) do
     instance = Pleroma.Config.get(:instance)
-    instance_fe = Pleroma.Config.get(:fe)
-    instance_chat = Pleroma.Config.get(:chat)
 
     case get_format(conn) do
       "xml" ->
@@ -219,31 +217,7 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
             if(Pleroma.Config.get([:instance, :safe_dm_mentions]), do: "1", else: "0")
         }
 
-        pleroma_fe =
-          if instance_fe do
-            %{
-              theme: Keyword.get(instance_fe, :theme),
-              background: Keyword.get(instance_fe, :background),
-              logo: Keyword.get(instance_fe, :logo),
-              logoMask: Keyword.get(instance_fe, :logo_mask),
-              logoMargin: Keyword.get(instance_fe, :logo_margin),
-              redirectRootNoLogin: Keyword.get(instance_fe, :redirect_root_no_login),
-              redirectRootLogin: Keyword.get(instance_fe, :redirect_root_login),
-              chatDisabled: !Keyword.get(instance_chat, :enabled),
-              showInstanceSpecificPanel: Keyword.get(instance_fe, :show_instance_panel),
-              scopeOptionsEnabled: Keyword.get(instance_fe, :scope_options_enabled),
-              formattingOptionsEnabled: Keyword.get(instance_fe, :formatting_options_enabled),
-              collapseMessageWithSubject:
-                Keyword.get(instance_fe, :collapse_message_with_subject),
-              hidePostStats: Keyword.get(instance_fe, :hide_post_stats),
-              hideUserStats: Keyword.get(instance_fe, :hide_user_stats),
-              scopeCopy: Keyword.get(instance_fe, :scope_copy),
-              subjectLineBehavior: Keyword.get(instance_fe, :subject_line_behavior),
-              alwaysShowSubjectInput: Keyword.get(instance_fe, :always_show_subject_input)
-            }
-          else
-            Pleroma.Config.get([:frontend_configurations, :pleroma_fe])
-          end
+        pleroma_fe = Pleroma.Config.get([:frontend_configurations, :pleroma_fe])
 
         managed_config = Keyword.get(instance, :managed_config)
 
@@ -309,8 +283,13 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
            Enum.map(lines, fn line ->
              String.split(line, ",") |> List.first()
            end)
-           |> List.delete("Account address"),
-         {:ok, _} = Task.start(fn -> User.follow_import(follower, followed_identifiers) end) do
+           |> List.delete("Account address") do
+      PleromaJobQueue.enqueue(:background, User, [
+        :follow_import,
+        follower,
+        followed_identifiers
+      ])
+
       json(conn, "job started")
     end
   end
@@ -320,8 +299,13 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
   end
 
   def blocks_import(%{assigns: %{user: blocker}} = conn, %{"list" => list}) do
-    with blocked_identifiers <- String.split(list),
-         {:ok, _} = Task.start(fn -> User.blocks_import(blocker, blocked_identifiers) end) do
+    with blocked_identifiers <- String.split(list) do
+      PleromaJobQueue.enqueue(:background, User, [
+        :blocks_import,
+        blocker,
+        blocked_identifiers
+      ])
+
       json(conn, "job started")
     end
   end
@@ -360,6 +344,17 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
     end
   end
 
+  def disable_account(%{assigns: %{user: user}} = conn, params) do
+    case CommonAPI.Utils.confirm_current_password(user, params["password"]) do
+      {:ok, user} ->
+        User.deactivate_async(user)
+        json(conn, %{status: "success"})
+
+      {:error, msg} ->
+        json(conn, %{error: msg})
+    end
+  end
+
   def captcha(conn, _params) do
     json(conn, Pleroma.Captcha.new())
   end
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index 3a7774647..41e1c2877 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -128,7 +128,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     end
   end
 
-  def register_user(params) do
+  def register_user(params, opts \\ []) do
     token = params["token"]
 
     params = %{
@@ -162,13 +162,22 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
       # I have no idea how this error handling works
       {:error, %{error: Jason.encode!(%{captcha: [error]})}}
     else
-      registrations_open = Pleroma.Config.get([:instance, :registrations_open])
-      registration_process(registrations_open, params, token)
+      registration_process(
+        params,
+        %{
+          registrations_open: Pleroma.Config.get([:instance, :registrations_open]),
+          token: token
+        },
+        opts
+      )
     end
   end
 
-  defp registration_process(registration_open, params, token)
-       when registration_open == false or is_nil(registration_open) do
+  defp registration_process(params, %{registrations_open: true}, opts) do
+    create_user(params, opts)
+  end
+
+  defp registration_process(params, %{token: token}, opts) do
     invite =
       unless is_nil(token) do
         Repo.get_by(UserInviteToken, %{token: token})
@@ -182,19 +191,15 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
 
       invite when valid_invite? ->
         UserInviteToken.update_usage!(invite)
-        create_user(params)
+        create_user(params, opts)
 
       _ ->
         {:error, "Expired token"}
     end
   end
 
-  defp registration_process(true, params, _token) do
-    create_user(params)
-  end
-
-  defp create_user(params) do
-    changeset = User.register_changeset(%User{}, params)
+  defp create_user(params, opts) do
+    changeset = User.register_changeset(%User{}, params, opts)
 
     case User.register(changeset) do
       {:ok, user} ->
@@ -231,12 +236,15 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   def get_user(user \\ nil, params) do
     case params do
       %{"user_id" => user_id} ->
-        case target = User.get_cached_by_nickname_or_id(user_id) do
+        case User.get_cached_by_nickname_or_id(user_id) do
           nil ->
             {:error, "No user with such user_id"}
 
-          _ ->
-            {:ok, target}
+          %User{info: %{deactivated: true}} ->
+            {:error, "User has been disabled"}
+
+          user ->
+            {:ok, user}
         end
 
       %{"screen_name" => nickname} ->
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 21e6c555a..31e86685a 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -101,9 +101,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
       |> Map.put("blocking_user", user)
       |> Map.put("user", user)
 
-    activities =
-      ActivityPub.fetch_activities([user.ap_id | user.following], params)
-      |> ActivityPub.contain_timeline(user)
+    activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
 
     conn
     |> put_view(ActivityView)
@@ -440,7 +438,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
          true <- user.local,
          true <- user.info.confirmation_pending,
          true <- user.info.confirmation_token == token,
-         info_change <- User.Info.confirmation_changeset(user.info, :confirmed),
+         info_change <- User.Info.confirmation_changeset(user.info, need_confirmation: false),
          changeset <- Changeset.change(user) |> Changeset.put_embed(:info, info_change),
          {:ok, _} <- User.update_and_set_cache(changeset) do
       conn
diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index d084ad734..e84af84dc 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -284,6 +284,12 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
         Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
       )
 
+    thread_muted? =
+      case activity.thread_muted? do
+        thread_muted? when is_boolean(thread_muted?) -> thread_muted?
+        nil -> CommonAPI.thread_muted?(user, activity)
+      end
+
     %{
       "id" => activity.id,
       "uri" => object.data["id"],
@@ -310,11 +316,11 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
       "tags" => tags,
       "activity_type" => "post",
       "possibly_sensitive" => possibly_sensitive,
-      "visibility" => StatusView.get_visibility(object),
+      "visibility" => Pleroma.Web.ActivityPub.Visibility.get_visibility(object),
       "summary" => summary,
       "summary_html" => summary |> Formatter.emojify(object.data["emoji"]),
       "card" => card,
-      "muted" => CommonAPI.thread_muted?(user, activity) || User.mutes?(opts[:for], user)
+      "muted" => thread_muted? || User.mutes?(opts[:for], user)
     }
   end
 
diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex
index a3b0bf999..3fca72de8 100644
--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@@ -3,12 +3,10 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.WebFinger do
-  @httpoison Application.get_env(:pleroma, :httpoison)
-
+  alias Pleroma.HTTP
   alias Pleroma.User
   alias Pleroma.Web
-  alias Pleroma.Web.OStatus
-  alias Pleroma.Web.Salmon
+  alias Pleroma.Web.Federator.Publisher
   alias Pleroma.Web.XML
   alias Pleroma.XmlBuilder
   require Jason
@@ -50,95 +48,44 @@ defmodule Pleroma.Web.WebFinger do
     end
   end
 
+  defp gather_links(%User{} = user) do
+    [
+      %{
+        "rel" => "http://webfinger.net/rel/profile-page",
+        "type" => "text/html",
+        "href" => user.ap_id
+      }
+    ] ++ Publisher.gather_webfinger_links(user)
+  end
+
   def represent_user(user, "JSON") do
-    {:ok, user} = ensure_keys_present(user)
-    {:ok, _private, public} = Salmon.keys_from_pem(user.info.keys)
-    magic_key = Salmon.encode_key(public)
+    {:ok, user} = User.ensure_keys_present(user)
 
     %{
       "subject" => "acct:#{user.nickname}@#{Pleroma.Web.Endpoint.host()}",
       "aliases" => [user.ap_id],
-      "links" => [
-        %{
-          "rel" => "http://schemas.google.com/g/2010#updates-from",
-          "type" => "application/atom+xml",
-          "href" => OStatus.feed_path(user)
-        },
-        %{
-          "rel" => "http://webfinger.net/rel/profile-page",
-          "type" => "text/html",
-          "href" => user.ap_id
-        },
-        %{"rel" => "salmon", "href" => OStatus.salmon_path(user)},
-        %{
-          "rel" => "magic-public-key",
-          "href" => "data:application/magic-public-key,#{magic_key}"
-        },
-        %{"rel" => "self", "type" => "application/activity+json", "href" => user.ap_id},
-        %{
-          "rel" => "self",
-          "type" => "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"",
-          "href" => user.ap_id
-        },
-        %{
-          "rel" => "http://ostatus.org/schema/1.0/subscribe",
-          "template" => OStatus.remote_follow_path()
-        }
-      ]
+      "links" => gather_links(user)
     }
   end
 
   def represent_user(user, "XML") do
-    {:ok, user} = ensure_keys_present(user)
-    {:ok, _private, public} = Salmon.keys_from_pem(user.info.keys)
-    magic_key = Salmon.encode_key(public)
+    {:ok, user} = User.ensure_keys_present(user)
+
+    links =
+      gather_links(user)
+      |> Enum.map(fn link -> {:Link, link} end)
 
     {
       :XRD,
       %{xmlns: "http://docs.oasis-open.org/ns/xri/xrd-1.0"},
       [
         {:Subject, "acct:#{user.nickname}@#{Pleroma.Web.Endpoint.host()}"},
-        {:Alias, user.ap_id},
-        {:Link,
-         %{
-           rel: "http://schemas.google.com/g/2010#updates-from",
-           type: "application/atom+xml",
-           href: OStatus.feed_path(user)
-         }},
-        {:Link,
-         %{rel: "http://webfinger.net/rel/profile-page", type: "text/html", href: user.ap_id}},
-        {:Link, %{rel: "salmon", href: OStatus.salmon_path(user)}},
-        {:Link,
-         %{rel: "magic-public-key", href: "data:application/magic-public-key,#{magic_key}"}},
-        {:Link, %{rel: "self", type: "application/activity+json", href: user.ap_id}},
-        {:Link,
-         %{rel: "http://ostatus.org/schema/1.0/subscribe", template: OStatus.remote_follow_path()}}
-      ]
+        {:Alias, user.ap_id}
+      ] ++ links
     }
     |> XmlBuilder.to_doc()
   end
 
-  # This seems a better fit in Salmon
-  def ensure_keys_present(user) do
-    info = user.info
-
-    if info.keys do
-      {:ok, user}
-    else
-      {:ok, pem} = Salmon.generate_rsa_pem()
-
-      info_cng =
-        info
-        |> Pleroma.User.Info.set_keys(pem)
-
-      cng =
-        Ecto.Changeset.change(user)
-        |> Ecto.Changeset.put_embed(:info, info_cng)
-
-      User.update_and_set_cache(cng)
-    end
-  end
-
   defp get_magic_key(magic_key) do
     "data:application/magic-public-key," <> magic_key = magic_key
     {:ok, magic_key}
@@ -228,11 +175,11 @@ defmodule Pleroma.Web.WebFinger do
 
   def find_lrdd_template(domain) do
     with {:ok, %{status: status, body: body}} when status in 200..299 <-
-           @httpoison.get("http://#{domain}/.well-known/host-meta", []) do
+           HTTP.get("http://#{domain}/.well-known/host-meta", []) do
       get_template_from_xml(body)
     else
       _ ->
-        with {:ok, %{body: body}} <- @httpoison.get("https://#{domain}/.well-known/host-meta", []) do
+        with {:ok, %{body: body}} <- HTTP.get("https://#{domain}/.well-known/host-meta", []) do
           get_template_from_xml(body)
         else
           e -> {:error, "Can't find LRDD template: #{inspect(e)}"}
@@ -261,7 +208,7 @@ defmodule Pleroma.Web.WebFinger do
       end
 
     with response <-
-           @httpoison.get(
+           HTTP.get(
              address,
              Accept: "application/xrd+xml,application/jrd+json"
            ),
diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index 3ffa6b416..b61f388b8 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -4,10 +4,15 @@
 
 defmodule Pleroma.Web.Websub do
   alias Ecto.Changeset
+  alias Pleroma.Activity
+  alias Pleroma.HTTP
   alias Pleroma.Instances
   alias Pleroma.Repo
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.Endpoint
   alias Pleroma.Web.Federator
+  alias Pleroma.Web.Federator.Publisher
   alias Pleroma.Web.OStatus
   alias Pleroma.Web.OStatus.FeedRepresenter
   alias Pleroma.Web.Router.Helpers
@@ -18,9 +23,9 @@ defmodule Pleroma.Web.Websub do
 
   import Ecto.Query
 
-  @httpoison Application.get_env(:pleroma, :httpoison)
+  @behaviour Pleroma.Web.Federator.Publisher
 
-  def verify(subscription, getter \\ &@httpoison.get/3) do
+  def verify(subscription, getter \\ &HTTP.get/3) do
     challenge = Base.encode16(:crypto.strong_rand_bytes(8))
     lease_seconds = NaiveDateTime.diff(subscription.valid_until, subscription.updated_at)
     lease_seconds = lease_seconds |> to_string
@@ -56,6 +61,13 @@ defmodule Pleroma.Web.Websub do
     "Undo",
     "Delete"
   ]
+
+  def is_representable?(%Activity{data: %{"type" => type}} = activity)
+      when type in @supported_activities,
+      do: Visibility.is_public?(activity)
+
+  def is_representable?(_), do: false
+
   def publish(topic, user, %{data: %{"type" => type}} = activity)
       when type in @supported_activities do
     response =
@@ -88,12 +100,14 @@ defmodule Pleroma.Web.Websub do
         unreachable_since: reachable_callbacks_metadata[sub.callback]
       }
 
-      Federator.publish_single_websub(data)
+      Publisher.enqueue_one(__MODULE__, data)
     end)
   end
 
   def publish(_, _, _), do: ""
 
+  def publish(actor, activity), do: publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
+
   def sign(secret, doc) do
     :crypto.hmac(:sha, secret, to_string(doc)) |> Base.encode16() |> String.downcase()
   end
@@ -192,7 +206,7 @@ defmodule Pleroma.Web.Websub do
     requester.(subscription)
   end
 
-  def gather_feed_data(topic, getter \\ &@httpoison.get/1) do
+  def gather_feed_data(topic, getter \\ &HTTP.get/1) do
     with {:ok, response} <- getter.(topic),
          status when status in 200..299 <- response.status,
          body <- response.body,
@@ -221,7 +235,7 @@ defmodule Pleroma.Web.Websub do
     end
   end
 
-  def request_subscription(websub, poster \\ &@httpoison.post/3, timeout \\ 10_000) do
+  def request_subscription(websub, poster \\ &HTTP.post/3, timeout \\ 10_000) do
     data = [
       "hub.mode": "subscribe",
       "hub.topic": websub.topic,
@@ -279,7 +293,7 @@ defmodule Pleroma.Web.Websub do
     Logger.info(fn -> "Pushing #{topic} to #{callback}" end)
 
     with {:ok, %{status: code}} when code in 200..299 <-
-           @httpoison.post(
+           HTTP.post(
              callback,
              xml,
              [
@@ -299,4 +313,20 @@ defmodule Pleroma.Web.Websub do
         {:error, response}
     end
   end
+
+  def gather_webfinger_links(%User{} = user) do
+    [
+      %{
+        "rel" => "http://schemas.google.com/g/2010#updates-from",
+        "type" => "application/atom+xml",
+        "href" => OStatus.feed_path(user)
+      },
+      %{
+        "rel" => "http://ostatus.org/schema/1.0/subscribe",
+        "template" => OStatus.remote_follow_path()
+      }
+    ]
+  end
+
+  def gather_nodeinfo_protocol_names, do: ["ostatus"]
 end
diff --git a/lib/xml_builder.ex b/lib/xml_builder.ex
index 88f8ce2a3..b58602c7b 100644
--- a/lib/xml_builder.ex
+++ b/lib/xml_builder.ex
@@ -35,6 +35,7 @@ defmodule Pleroma.XmlBuilder do
   defp make_open_tag(tag, attributes) do
     attributes_string =
       for {attribute, value} <- attributes do
+        value = String.replace(value, "\"", "&quot;")
         "#{attribute}=\"#{value}\""
       end
       |> Enum.join(" ")