Merge branch 'develop' into 'fix/admin-api-user-deletion'

# Conflicts: # CHANGELOG.md
2019-08-14 22:45:32 +00:00 · 2019-08-14 22:45:32 +00:00 · ec969eec51
commit ec969eec51
parent b27fafe161 27b747546a
93 changed files with 1267 additions and 419 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -23,9 +23,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Not being able to pin unlisted posts
 - Objects being re-embedded to activities after being updated (e.g faved/reposted). Running 'mix pleroma.database prune_objects' again is advised.
 - Metadata rendering errors resulting in the entire page being inaccessible
+- `federation_incoming_replies_max_depth` option being ignored in certain cases
 - Federation/MediaProxy not working with instances that have wrong certificate order
 - Mastodon API: Handling of search timeouts (`/api/v1/search` and `/api/v2/search`)
 - Mastodon API: Embedded relationships not being properly rendered in the Account entity of Status entity
+- Mastodon API: follower/following counters not being nullified, when `hide_follows`/`hide_followers` is set
+- Mastodon API: `muted` in the Status entity, using author's account to determine if the tread was muted
 - Mastodon API: Add `account_id`, `type`, `offset`, and `limit` to search API (`/api/v1/search` and `/api/v2/search`)
 - Mastodon API, streaming: Fix filtering of notifications based on blocks/mutes/thread mutes
 - ActivityPub C2S: follower/following collection pages being inaccessible even when authentifucated if `hide_followers`/ `hide_follows` was set
@ -34,16 +37,22 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Rich Media: The crawled URL is now spliced into the rich media data.
 - ActivityPub S2S: sharedInbox usage has been mostly aligned with the rules in the AP specification.
 - ActivityPub S2S: remote user deletions now work the same as local user deletions.
+- ActivityPub S2S: POST requests are now signed with `(request-target)` pseudo-header.
 - Not being able to access the Mastodon FE login page on private instances
 - Invalid SemVer version generation, when the current branch does not have commits ahead of tag/checked out on a tag
 - Pleroma.Upload base_url was not automatically whitelisted by MediaProxy. Now your custom CDN or file hosting will be accessed directly as expected.
 - Report email not being sent to admins when the reporter is a remote user
+- MRF: ensure that subdomain_match calls are case-insensitive
+- MRF: fix use of unserializable keyword lists in describe() implementations
 - ActivityPub: Deactivated user deletion

 ### Added
+- **Breaking:** MRF describe API, which adds support for exposing configuration information about MRF policies to NodeInfo.
+  Custom modules will need to be updated by adding, at the very least, `def describe, do: {:ok, %{}}` to the MRF policy modules.
 - MRF: Support for priming the mediaproxy cache (`Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`)
 - MRF: Support for excluding specific domains from Transparency.
 - MRF: Support for filtering posts based on who they mention (`Pleroma.Web.ActivityPub.MRF.MentionPolicy`)
+- MRF: Support for filtering posts based on ActivityStreams vocabulary (`Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`)
 - MRF (Simple Policy): Support for wildcard domains.
 - Support for wildcard domains in user domain blocks setting.
 - Configuration: `quarantined_instances` support wildcard domains.
@ -66,6 +75,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Added synchronization of following/followers counters for external users
 - Configuration: `enabled` option for `Pleroma.Emails.Mailer`, defaulting to `false`.
 - Configuration: Pleroma.Plugs.RateLimiter `bucket_name`, `params` options.
+- Configuration: `user_bio_length` and `user_name_length` options.
 - Addressable lists
 - Twitter API: added rate limit for `/api/account/password_reset` endpoint.
 - ActivityPub: Add an internal service actor for fetching ActivityPub objects.
@ -73,6 +83,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Admin API: Endpoint for fetching latest user's statuses
 - Pleroma API: Add `/api/v1/pleroma/accounts/confirmation_resend?email=<email>` for resending account confirmation.
 - Relays: Added a task to list relay subscriptions.
+- Mix Tasks: `mix pleroma.database fix_likes_collections`
+- Federation: Remove `likes` from objects.

 ### Changed
 - Configuration: Filter.AnonymizeFilename added ability to retain file extension with custom text
@ -83,6 +95,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Removed
 - Emoji: Remove longfox emojis.
 - Remove `Reply-To` header from report emails for admins.
+- ActivityPub: The `accept_blocks` configuration setting.

 ## [1.0.1] - 2019-07-14
 ### Security
--- a/config/config.exs
+++ b/config/config.exs
@ -253,6 +253,8 @@
  skip_thread_containment: true,
  limit_to_local_content: :unauthenticated,
  dynamic_configuration: false,
+  user_bio_length: 5000,
+  user_name_length: 100,
  external_user_synchronization: true

 config :pleroma, :markup,
@ -302,7 +304,6 @@
  default_mascot: :pleroma_fox_tan

 config :pleroma, :activitypub,
-  accept_blocks: true,
  unfollow_blocked: true,
  outgoing_blocks: true,
  follow_handshake_timeout: 500,
@ -337,6 +338,10 @@

 config :pleroma, :mrf_subchain, match_actor: %{}

+config :pleroma, :mrf_vocabulary,
+  accept: [],
+  reject: []
+
 config :pleroma, :rich_media,
  enabled: true,
  ignore_hosts: [],
--- a/docs/config.md
+++ b/docs/config.md
@ -18,6 +18,7 @@ Note: `strip_exif` has been replaced by `Pleroma.Upload.Filter.Mogrify`.

 ## Pleroma.Uploaders.S3
 * `bucket`: S3 bucket name
+* `bucket_namespace`: S3 bucket namespace
 * `public_endpoint`: S3 endpoint that the user finally accesses(ex. "https://s3.dualstack.ap-northeast-1.amazonaws.com")
 * `truncated_namespace`: If you use S3 compatible service such as Digital Ocean Spaces or CDN, set folder name or "" etc.
 For example, when using CDN to S3 virtual host format, set "".
@ -102,6 +103,7 @@ config :pleroma, Pleroma.Emails.Mailer,
  * `Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy`: Rejects posts from likely spambots by rejecting posts from new users that contain links.
  * `Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`: Crawls attachments using their MediaProxy URLs so that the MediaProxy cache is primed.
  * `Pleroma.Web.ActivityPub.MRF.MentionPolicy`: Drops posts mentioning configurable users. (see `:mrf_mention` section)
+  * `Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`: Restricts activities to a configured set of vocabulary. (see `:mrf_vocabulary` section)
 * `public`: Makes the client API in authentificated mode-only except for user-profiles. Useful for disabling the Local Timeline and The Whole Known Network.
 * `quarantined_instances`: List of ActivityPub instances where private(DMs, followers-only) activities will not be send.
 * `managed_config`: Whenether the config for pleroma-fe is configured in this config or in ``static/config.json``
@ -125,6 +127,8 @@ config :pleroma, Pleroma.Emails.Mailer,
 * `safe_dm_mentions`: If set to true, only mentions at the beginning of a post will be used to address people in direct messages. This is to prevent accidental mentioning of people when talking about them (e.g. "@friend hey i really don't like @enemy"). Default: `false`.
 * `healthcheck`: If set to true, system data will be shown on ``/api/pleroma/healthcheck``.
 * `remote_post_retention_days`: The default amount of days to retain remote posts when pruning the database.
+* `user_bio_length`: A user bio maximum length (default: `5000`)
+* `user_name_length`: A user name maximum length (default: `100`)
 * `skip_thread_containment`: Skip filter out broken threads. The default is `false`.
 * `limit_to_local_content`: Limit unauthenticated users to search for local statutes and users only. Possible values: `:unauthenticated`, `:all` and `false`. The default is `:unauthenticated`.
 * `dynamic_configuration`: Allow transferring configuration to DB with the subsequent customization from Admin api.
@ -275,6 +279,10 @@ config :pleroma, :mrf_subchain,
 ## :mrf_mention
 * `actors`: A list of actors, for which to drop any posts mentioning.

+## :mrf_vocabulary
+* `accept`: A list of ActivityStreams terms to accept.  If empty, all supported messages are accepted.
+* `reject`: A list of ActivityStreams terms to reject.  If empty, no messages are rejected.
+
 ## :media_proxy
 * `enabled`: Enables proxying of remote media to the instance’s proxy
 * `base_url`: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host/CDN fronts.
@ -328,7 +336,6 @@ config :pleroma, Pleroma.Web.Endpoint,
 This will make Pleroma listen on `127.0.0.1` port `8080` and generate urls starting with `https://example.com:2020`

 ## :activitypub
-* ``accept_blocks``: Whether to accept incoming block activities from other instances
 * ``unfollow_blocked``: Whether blocks result in people getting unfollowed
 * ``outgoing_blocks``: Whether to federate blocks to other instances
 * ``deny_follow_blocked``: Whether to disallow following an account that has blocked the user in question
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@ -36,6 +36,10 @@ defmodule Mix.Tasks.Pleroma.Database do
  ## Remove duplicated items from following and update followers count for all users

      mix pleroma.database update_users_following_followers_counts
+
+  ## Fix the pre-existing "likes" collections for all objects
+
+      mix pleroma.database fix_likes_collections
  """
  def run(["remove_embedded_objects" | args]) do
    {options, [], []} =
@ -125,4 +129,36 @@ def run(["prune_objects" | args]) do
      )
    end
  end
+
+  def run(["fix_likes_collections"]) do
+    import Ecto.Query
+
+    start_pleroma()
+
+    from(object in Object,
+      where: fragment("(?)->>'likes' is not null", object.data),
+      select: %{id: object.id, likes: fragment("(?)->>'likes'", object.data)}
+    )
+    |> Pleroma.RepoStreamer.chunk_stream(100)
+    |> Stream.each(fn objects ->
+      ids =
+        objects
+        |> Enum.filter(fn object -> object.likes |> Jason.decode!() |> is_map() end)
+        |> Enum.map(& &1.id)
+
+      Object
+      |> where([object], object.id in ^ids)
+      |> update([object],
+        set: [
+          data:
+            fragment(
+              "jsonb_set(?, '{likes}', '[]'::jsonb, true)",
+              object.data
+            )
+        ]
+      )
+      |> Repo.update_all([], timeout: :infinity)
+    end)
+    |> Stream.run()
+  end
 end
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@ -224,6 +224,29 @@ def get_create_by_object_ap_id(ap_id) when is_binary(ap_id) do

  def get_create_by_object_ap_id(_), do: nil

+  def create_by_object_ap_id_with_object(ap_ids) when is_list(ap_ids) do
+    from(
+      activity in Activity,
+      where:
+        fragment(
+          "coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
+          activity.data,
+          activity.data,
+          ^ap_ids
+        ),
+      where: fragment("(?)->>'type' = 'Create'", activity.data),
+      inner_join: o in Object,
+      on:
+        fragment(
+          "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
+          o.data,
+          activity.data,
+          activity.data
+        ),
+      preload: [object: o]
+    )
+  end
+
  def create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
    from(
      activity in Activity,
@ -263,8 +286,8 @@ defp get_in_reply_to_activity_from_object(%Object{data: %{"inReplyTo" => ap_id}}

  defp get_in_reply_to_activity_from_object(_), do: nil

-  def get_in_reply_to_activity(%Activity{data: %{"object" => object}}) do
-    get_in_reply_to_activity_from_object(Object.normalize(object))
+  def get_in_reply_to_activity(%Activity{} = activity) do
+    get_in_reply_to_activity_from_object(Object.normalize(activity))
  end

  def normalize(obj) when is_map(obj), do: get_by_ap_id_with_object(obj["id"])
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@ -3,11 +3,14 @@
 # SPDX-License-Identifier: AGPL-3.0-only

 defmodule Pleroma.Application do
+  import Cachex.Spec
  use Application

  @name Mix.Project.config()[:name]
  @version Mix.Project.config()[:version]
  @repository Mix.Project.config()[:source_url]
+  @env Mix.env()
+
  def name, do: @name
  def version, do: @version
  def named_version, do: @name <> " " <> @version
@ -21,116 +24,25 @@ def user_agent do
  # See http://elixir-lang.org/docs/stable/elixir/Application.html
  # for more information on OTP Applications
  def start(_type, _args) do
-    import Cachex.Spec
-
    Pleroma.Config.DeprecationWarnings.warn()
    setup_instrumenters()

    # Define workers and child supervisors to be supervised
    children =
      [
-        # Start the Ecto repository
-        %{id: Pleroma.Repo, start: {Pleroma.Repo, :start_link, []}, type: :supervisor},
-        %{id: Pleroma.Config.TransferTask, start: {Pleroma.Config.TransferTask, :start_link, []}},
-        %{id: Pleroma.Emoji, start: {Pleroma.Emoji, :start_link, []}},
-        %{id: Pleroma.Captcha, start: {Pleroma.Captcha, :start_link, []}},
-        %{
-          id: :cachex_used_captcha_cache,
-          start:
-            {Cachex, :start_link,
-             [
-               :used_captcha_cache,
-               [
-                 ttl_interval:
-                   :timer.seconds(Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid]))
-               ]
-             ]}
-        },
-        %{
-          id: :cachex_user,
-          start:
-            {Cachex, :start_link,
-             [
-               :user_cache,
-               [
-                 default_ttl: 25_000,
-                 ttl_interval: 1000,
-                 limit: 2500
-               ]
-             ]}
-        },
-        %{
-          id: :cachex_object,
-          start:
-            {Cachex, :start_link,
-             [
-               :object_cache,
-               [
-                 default_ttl: 25_000,
-                 ttl_interval: 1000,
-                 limit: 2500
-               ]
-             ]}
-        },
-        %{
-          id: :cachex_rich_media,
-          start:
-            {Cachex, :start_link,
-             [
-               :rich_media_cache,
-               [
-                 default_ttl: :timer.minutes(120),
-                 limit: 5000
-               ]
-             ]}
-        },
-        %{
-          id: :cachex_scrubber,
-          start:
-            {Cachex, :start_link,
-             [
-               :scrubber_cache,
-               [
-                 limit: 2500
-               ]
-             ]}
-        },
-        %{
-          id: :cachex_idem,
-          start:
-            {Cachex, :start_link,
-             [
-               :idempotency_cache,
-               [
-                 expiration:
-                   expiration(
-                     default: :timer.seconds(6 * 60 * 60),
-                     interval: :timer.seconds(60)
-                   ),
-                 limit: 2500
-               ]
-             ]}
-        },
-        %{id: Pleroma.FlakeId, start: {Pleroma.FlakeId, :start_link, []}},
-        %{
-          id: Pleroma.ScheduledActivityWorker,
-          start: {Pleroma.ScheduledActivityWorker, :start_link, []}
-        }
+        Pleroma.Repo,
+        Pleroma.Config.TransferTask,
+        Pleroma.Emoji,
+        Pleroma.Captcha,
+        Pleroma.FlakeId,
+        Pleroma.ScheduledActivityWorker
      ] ++
+        cachex_children() ++
        hackney_pool_children() ++
        [
-          %{
-            id: Pleroma.Web.Federator.RetryQueue,
-            start: {Pleroma.Web.Federator.RetryQueue, :start_link, []}
-          },
-          %{
-            id: Pleroma.Web.OAuth.Token.CleanWorker,
-            start: {Pleroma.Web.OAuth.Token.CleanWorker, :start_link, []}
-          },
-          %{
-            id: Pleroma.Stats,
-            start: {Pleroma.Stats, :start_link, []}
-          },
+          Pleroma.Web.Federator.RetryQueue,
+          Pleroma.Web.OAuth.Token.CleanWorker,
+          Pleroma.Stats,
          %{
            id: :web_push_init,
            start: {Task, :start_link, [&Pleroma.Web.Push.init/0]},
@ -147,16 +59,12 @@ def start(_type, _args) do
            restart: :temporary
          }
        ] ++
-        streamer_child() ++
-        chat_child() ++
+        oauth_cleanup_child(oauth_cleanup_enabled?()) ++
+        streamer_child(@env) ++
+        chat_child(@env, chat_enabled?()) ++
        [
-          # Start the endpoint when the application starts
-          %{
-            id: Pleroma.Web.Endpoint,
-            start: {Pleroma.Web.Endpoint, :start_link, []},
-            type: :supervisor
-          },
-          %{id: Pleroma.Gopher.Server, start: {Pleroma.Gopher.Server, :start_link, []}}
+          Pleroma.Web.Endpoint,
+          Pleroma.Gopher.Server
        ]

    # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html
@ -201,28 +109,54 @@ def enabled_hackney_pools do
      end
  end

-  if Pleroma.Config.get(:env) == :test do
-    defp streamer_child, do: []
-    defp chat_child, do: []
-  else
-    defp streamer_child do
-      [%{id: Pleroma.Web.Streamer, start: {Pleroma.Web.Streamer, :start_link, []}}]
-    end
-
-    defp chat_child do
-      if Pleroma.Config.get([:chat, :enabled]) do
-        [
-          %{
-            id: Pleroma.Web.ChatChannel.ChatChannelState,
-            start: {Pleroma.Web.ChatChannel.ChatChannelState, :start_link, []}
-          }
-        ]
-      else
-        []
-      end
-    end
+  defp cachex_children do
+    [
+      build_cachex("used_captcha", ttl_interval: seconds_valid_interval()),
+      build_cachex("user", default_ttl: 25_000, ttl_interval: 1000, limit: 2500),
+      build_cachex("object", default_ttl: 25_000, ttl_interval: 1000, limit: 2500),
+      build_cachex("rich_media", default_ttl: :timer.minutes(120), limit: 5000),
+      build_cachex("scrubber", limit: 2500),
+      build_cachex("idempotency", expiration: idempotency_expiration(), limit: 2500)
+    ]
  end

+  defp idempotency_expiration,
+    do: expiration(default: :timer.seconds(6 * 60 * 60), interval: :timer.seconds(60))
+
+  defp seconds_valid_interval,
+    do: :timer.seconds(Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid]))
+
+  defp build_cachex(type, opts),
+    do: %{
+      id: String.to_atom("cachex_" <> type),
+      start: {Cachex, :start_link, [String.to_atom(type <> "_cache"), opts]},
+      type: :worker
+    }
+
+  defp chat_enabled?, do: Pleroma.Config.get([:chat, :enabled])
+
+  defp oauth_cleanup_enabled?,
+    do: Pleroma.Config.get([:oauth2, :clean_expired_tokens], false)
+
+  defp streamer_child(:test), do: []
+
+  defp streamer_child(_) do
+    [Pleroma.Web.Streamer]
+  end
+
+  defp oauth_cleanup_child(true),
+    do: [Pleroma.Web.OAuth.Token.CleanWorker]
+
+  defp oauth_cleanup_child(_), do: []
+
+  defp chat_child(:test, _), do: []
+
+  defp chat_child(_env, true) do
+    [Pleroma.Web.ChatChannel.ChatChannelState]
+  end
+
+  defp chat_child(_, _), do: []
+
  defp hackney_pool_children do
    for pool <- enabled_hackney_pools() do
      options = Pleroma.Config.get([:hackney_pools, pool])
--- a/lib/pleroma/captcha/captcha.ex
+++ b/lib/pleroma/captcha/captcha.ex
@ -12,7 +12,7 @@ defmodule Pleroma.Captcha do
  use GenServer

  @doc false
-  def start_link do
+  def start_link(_) do
    GenServer.start_link(__MODULE__, [], name: __MODULE__)
  end

--- a/lib/pleroma/config/transfer_task.ex
+++ b/lib/pleroma/config/transfer_task.ex
@ -6,7 +6,7 @@ defmodule Pleroma.Config.TransferTask do
  use Task
  alias Pleroma.Web.AdminAPI.Config

-  def start_link do
+  def start_link(_) do
    load_and_update_env()
    if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Pleroma.Repo)
    :ignore
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@ -24,7 +24,7 @@ defmodule Pleroma.Emoji do
  @ets_options [:ordered_set, :protected, :named_table, {:read_concurrency, true}]

  @doc false
-  def start_link do
+  def start_link(_) do
    GenServer.start_link(__MODULE__, [], name: __MODULE__)
  end

--- a/lib/pleroma/flake_id.ex
+++ b/lib/pleroma/flake_id.ex
@ -98,7 +98,7 @@ def dump(value) do
  def autogenerate, do: get()

  # -- GenServer API
-  def start_link do
+  def start_link(_) do
    :gen_server.start_link({:local, :flake}, __MODULE__, [], [])
  end

--- a/lib/pleroma/gopher/server.ex
+++ b/lib/pleroma/gopher/server.ex
@ -6,7 +6,7 @@ defmodule Pleroma.Gopher.Server do
  use GenServer
  require Logger

-  def start_link do
+  def start_link(_) do
    config = Pleroma.Config.get(:gopher, [])
    ip = Keyword.get(config, :ip, {0, 0, 0, 0})
    port = Keyword.get(config, :port, 1234)
--- a/lib/pleroma/scheduled_activity_worker.ex
+++ b/lib/pleroma/scheduled_activity_worker.ex
@ -16,7 +16,7 @@ defmodule Pleroma.ScheduledActivityWorker do

  @schedule_interval :timer.minutes(1)

-  def start_link do
+  def start_link(_) do
    GenServer.start_link(__MODULE__, nil)
  end

--- a/lib/pleroma/stats.ex
+++ b/lib/pleroma/stats.ex
@ -7,31 +7,56 @@ defmodule Pleroma.Stats do
  alias Pleroma.Repo
  alias Pleroma.User

-  def start_link do
-    agent = Agent.start_link(fn -> {[], %{}} end, name: __MODULE__)
-    spawn(fn -> schedule_update() end)
-    agent
+  use GenServer
+
+  @interval 1000 * 60 * 60
+
+  def start_link(_) do
+    GenServer.start_link(__MODULE__, initial_data(), name: __MODULE__)
+  end
+
+  def force_update do
+    GenServer.call(__MODULE__, :force_update)
  end

  def get_stats do
-    Agent.get(__MODULE__, fn {_, stats} -> stats end)
+    %{stats: stats} = GenServer.call(__MODULE__, :get_state)
+
+    stats
  end

  def get_peers do
-    Agent.get(__MODULE__, fn {peers, _} -> peers end)
+    %{peers: peers} = GenServer.call(__MODULE__, :get_state)
+
+    peers
  end

-  def schedule_update do
-    spawn(fn ->
-      # 1 hour
-      Process.sleep(1000 * 60 * 60)
-      schedule_update()
-    end)
-
-    update_stats()
+  def init(args) do
+    Process.send(self(), :run_update, [])
+    {:ok, args}
  end

-  def update_stats do
+  def handle_call(:force_update, _from, _state) do
+    new_stats = get_stat_data()
+    {:reply, new_stats, new_stats}
+  end
+
+  def handle_call(:get_state, _from, state) do
+    {:reply, state, state}
+  end
+
+  def handle_info(:run_update, _state) do
+    new_stats = get_stat_data()
+
+    Process.send_after(self(), :run_update, @interval)
+    {:noreply, new_stats}
+  end
+
+  defp initial_data do
+    %{peers: [], stats: %{}}
+  end
+
+  defp get_stat_data do
    peers =
      from(
        u in User,
@ -52,8 +77,9 @@ def update_stats do

    user_count = Repo.aggregate(User.Query.build(%{local: true, active: true}), :count, :id)

-    Agent.update(__MODULE__, fn _ ->
-      {peers, %{domain_count: domain_count, status_count: status_count, user_count: user_count}}
-    end)
+    %{
+      peers: peers,
+      stats: %{domain_count: domain_count, status_count: status_count, user_count: user_count}
+    }
  end
 end
--- a/lib/pleroma/uploaders/local.ex
+++ b/lib/pleroma/uploaders/local.ex
@ -11,7 +11,7 @@ def get_file(_) do

  def put_file(upload) do
    {local_path, file} =
-      case Enum.reverse(String.split(upload.path, "/", trim: true)) do
+      case Enum.reverse(Path.split(upload.path)) do
        [file] ->
          {upload_path(), file}

@ -23,7 +23,7 @@ def put_file(upload) do

    result_file = Path.join(local_path, file)

-    unless File.exists?(result_file) do
+    if not File.exists?(result_file) do
      File.cp!(upload.tempfile, result_file)
    end

--- a/lib/pleroma/uploaders/mdii.ex
+++ b/lib/pleroma/uploaders/mdii.ex
@ -3,6 +3,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only

 defmodule Pleroma.Uploaders.MDII do
+  @moduledoc "Represents uploader for https://github.com/hakaba-hitoyo/minimal-digital-image-infrastructure"
+
  alias Pleroma.Config
  alias Pleroma.HTTP

--- a/lib/pleroma/uploaders/s3.ex
+++ b/lib/pleroma/uploaders/s3.ex
@ -6,10 +6,12 @@ defmodule Pleroma.Uploaders.S3 do
  @behaviour Pleroma.Uploaders.Uploader
  require Logger

+  alias Pleroma.Config
+
  # The file name is re-encoded with S3's constraints here to comply with previous
  # links with less strict filenames
  def get_file(file) do
-    config = Pleroma.Config.get([__MODULE__])
+    config = Config.get([__MODULE__])
    bucket = Keyword.fetch!(config, :bucket)

    bucket_with_namespace =
@ -34,15 +36,15 @@ def get_file(file) do
  end

  def put_file(%Pleroma.Upload{} = upload) do
-    config = Pleroma.Config.get([__MODULE__])
+    config = Config.get([__MODULE__])
    bucket = Keyword.get(config, :bucket)

-    {:ok, file_data} = File.read(upload.tempfile)
-
    s3_name = strict_encode(upload.path)

    op =
-      ExAws.S3.put_object(bucket, s3_name, file_data, [
+      upload.tempfile
+      |> ExAws.S3.Upload.stream_file()
+      |> ExAws.S3.upload(bucket, s3_name, [
        {:acl, :public_read},
        {:content_type, upload.content_type}
      ])
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@ -152,10 +152,10 @@ def following_count(%User{} = user) do
  end

  def remote_user_creation(params) do
-    params =
-      params
-      |> Map.put(:info, params[:info] || %{})
+    bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
+    name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)

+    params = Map.put(params, :info, params[:info] || %{})
    info_cng = User.Info.remote_user_creation(%User.Info{}, params[:info])

    changes =
@ -164,8 +164,8 @@ def remote_user_creation(params) do
      |> validate_required([:name, :ap_id])
      |> unique_constraint(:nickname)
      |> validate_format(:nickname, @email_regex)
-      |> validate_length(:bio, max: 5000)
-      |> validate_length(:name, max: 100)
+      |> validate_length(:bio, max: bio_limit)
+      |> validate_length(:name, max: name_limit)
      |> put_change(:local, false)
      |> put_embed(:info, info_cng)

@ -188,22 +188,23 @@ def remote_user_creation(params) do
  end

  def update_changeset(struct, params \\ %{}) do
+    bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
+    name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)
+
    struct
    |> cast(params, [:bio, :name, :avatar, :following])
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, local_nickname_regex())
-    |> validate_length(:bio, max: 5000)
-    |> validate_length(:name, min: 1, max: 100)
+    |> validate_length(:bio, max: bio_limit)
+    |> validate_length(:name, min: 1, max: name_limit)
  end

  def upgrade_changeset(struct, params \\ %{}) do
-    params =
-      params
-      |> Map.put(:last_refreshed_at, NaiveDateTime.utc_now())
+    bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
+    name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)

-    info_cng =
-      struct.info
-      |> User.Info.user_upgrade(params[:info])
+    params = Map.put(params, :last_refreshed_at, NaiveDateTime.utc_now())
+    info_cng = User.Info.user_upgrade(struct.info, params[:info])

    struct
    |> cast(params, [
@ -216,8 +217,8 @@ def upgrade_changeset(struct, params \\ %{}) do
    ])
    |> unique_constraint(:nickname)
    |> validate_format(:nickname, local_nickname_regex())
-    |> validate_length(:bio, max: 5000)
-    |> validate_length(:name, max: 100)
+    |> validate_length(:bio, max: bio_limit)
+    |> validate_length(:name, max: name_limit)
    |> put_embed(:info, info_cng)
  end

@ -244,6 +245,9 @@ def reset_password(%User{id: user_id} = user, data) do
  end

  def register_changeset(struct, params \\ %{}, opts \\ []) do
+    bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
+    name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)
+
    need_confirmation? =
      if is_nil(opts[:need_confirmation]) do
        Pleroma.Config.get([:instance, :account_activation_required])
@ -264,8 +268,8 @@ def register_changeset(struct, params \\ %{}, opts \\ []) do
      |> 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)
-      |> validate_length(:name, min: 1, max: 100)
+      |> validate_length(:bio, max: bio_limit)
+      |> validate_length(:name, min: 1, max: name_limit)
      |> put_change(:info, info_change)

    changeset =
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@ -520,6 +520,8 @@ defp fetch_activities_for_context_query(context, opts) do

    from(activity in Activity)
    |> maybe_preload_objects(opts)
+    |> maybe_preload_bookmarks(opts)
+    |> maybe_set_thread_muted_field(opts)
    |> restrict_blocked(opts)
    |> restrict_recipients(recipients, opts["user"])
    |> where(
@ -533,6 +535,7 @@ defp fetch_activities_for_context_query(context, opts) do
      )
    )
    |> exclude_poll_votes(opts)
+    |> exclude_id(opts)
    |> order_by([activity], desc: activity.id)
  end

@ -625,6 +628,7 @@ def fetch_user_activities(user, reading_user, params \\ %{}) do
    params =
      params
      |> Map.put("type", ["Create", "Announce"])
+      |> Map.put("user", reading_user)
      |> Map.put("actor_id", user.ap_id)
      |> Map.put("whole_db", true)
      |> Map.put("pinned_activity_ids", user.info.pinned_activities)
@ -872,6 +876,12 @@ defp exclude_poll_votes(query, _) do
    end
  end

+  defp exclude_id(query, %{"exclude_id" => id}) when is_binary(id) do
+    from(activity in query, where: activity.id != ^id)
+  end
+
+  defp exclude_id(query, _), do: query
+
  defp maybe_preload_objects(query, %{"skip_preload" => true}), do: query

  defp maybe_preload_objects(query, _) do
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@ -28,11 +28,43 @@ defp get_policies(_), do: []

  @spec subdomains_regex([String.t()]) :: [Regex.t()]
  def subdomains_regex(domains) when is_list(domains) do
-    for domain <- domains, do: ~r(^#{String.replace(domain, "*.", "(.*\\.)*")}$)
+    for domain <- domains, do: ~r(^#{String.replace(domain, "*.", "(.*\\.)*")}$)i
  end

  @spec subdomain_match?([Regex.t()], String.t()) :: boolean()
  def subdomain_match?(domains, host) do
    Enum.any?(domains, fn domain -> Regex.match?(domain, host) end)
  end
+
+  @callback describe() :: {:ok | :error, Map.t()}
+
+  def describe(policies) do
+    {:ok, policy_configs} =
+      policies
+      |> Enum.reduce({:ok, %{}}, fn
+        policy, {:ok, data} ->
+          {:ok, policy_data} = policy.describe()
+          {:ok, Map.merge(data, policy_data)}
+
+        _, error ->
+          error
+      end)
+
+    mrf_policies =
+      get_policies()
+      |> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end)
+
+    exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions])
+
+    base =
+      %{
+        mrf_policies: mrf_policies,
+        exclusions: length(exclusions) > 0
+      }
+      |> Map.merge(policy_configs)
+
+    {:ok, base}
+  end
+
+  def describe, do: get_policies() |> describe()
 end
--- a/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/anti_followbot_policy.ex
@ -62,4 +62,7 @@ def filter(%{"type" => "Follow", "actor" => actor_id} = message) do

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/anti_link_spam_policy.ex
@ -5,6 +5,8 @@
 defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy do
  alias Pleroma.User

+  @behaviour Pleroma.Web.ActivityPub.MRF
+
  require Logger

  # has the user successfully posted before?
@ -22,6 +24,7 @@ defp contains_links?(%{"content" => content} = _object) do

  defp contains_links?(_), do: false

+  @impl true
  def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message) do
    with {:ok, %User{} = u} <- User.get_or_fetch_by_ap_id(actor),
         {:contains_links, true} <- {:contains_links, contains_links?(object)},
@ -45,4 +48,7 @@ def filter(%{"type" => "Create", "actor" => actor, "object" => object} = message

  # in all other cases, pass through
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/drop_policy.ex
@ -12,4 +12,7 @@ def filter(object) do
    Logger.info("REJECTING #{inspect(object)}")
    {:reject, object}
  end
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
+++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
@ -39,4 +39,6 @@ def filter(%{"type" => "Create", "object" => child_object} = object) do
  end

  def filter(object), do: {:ok, object}
+
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex
@ -90,4 +90,8 @@ def filter(%{"type" => "Create"} = message) do

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe,
+    do: {:ok, %{mrf_hellthread: Pleroma.Config.get(:mrf_hellthread) |> Enum.into(%{})}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
@ -96,4 +96,36 @@ def filter(%{"type" => "Create", "object" => %{"content" => _content}} = message

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe do
+    # This horror is needed to convert regex sigils to strings
+    mrf_keyword =
+      Pleroma.Config.get(:mrf_keyword, [])
+      |> Enum.map(fn {key, value} ->
+        {key,
+         Enum.map(value, fn
+           {pattern, replacement} ->
+             %{
+               "pattern" =>
+                 if not is_binary(pattern) do
+                   inspect(pattern)
+                 else
+                   pattern
+                 end,
+               "replacement" => replacement
+             }
+
+           pattern ->
+             if not is_binary(pattern) do
+               inspect(pattern)
+             else
+               pattern
+             end
+         end)}
+      end)
+      |> Enum.into(%{})
+
+    {:ok, %{mrf_keyword: mrf_keyword}}
+  end
 end
--- a/lib/pleroma/web/activity_pub/mrf/mediaproxy_warming_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/mediaproxy_warming_policy.ex
@ -53,4 +53,7 @@ def filter(

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/mention_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/mention_policy.ex
@ -21,4 +21,7 @@ def filter(%{"type" => "Create"} = message) do

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/no_placeholder_text_policy.ex
@ -19,4 +19,7 @@ def filter(

  @impl true
  def filter(object), do: {:ok, object}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/noop_policy.ex
@ -10,4 +10,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.NoOpPolicy do
  def filter(object) do
    {:ok, object}
  end
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex
+++ b/lib/pleroma/web/activity_pub/mrf/normalize_markup.ex
@ -21,4 +21,6 @@ def filter(%{"type" => "Create", "object" => child_object} = object) do
  end

  def filter(object), do: {:ok, object}
+
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex
+++ b/lib/pleroma/web/activity_pub/mrf/reject_non_public.ex
@ -44,4 +44,8 @@ def filter(%{"type" => "Create"} = object) do

  @impl true
  def filter(object), do: {:ok, object}
+
+  @impl true
+  def describe,
+    do: {:ok, %{mrf_rejectnonpublic: Pleroma.Config.get(:mrf_rejectnonpublic) |> Enum.into(%{})}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/simple_policy.ex
@ -177,4 +177,16 @@ def filter(%{"id" => actor, "type" => obj_type} = object)
  end

  def filter(object), do: {:ok, object}
+
+  @impl true
+  def describe do
+    exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions])
+
+    mrf_simple =
+      Pleroma.Config.get(:mrf_simple)
+      |> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end)
+      |> Enum.into(%{})
+
+    {:ok, %{mrf_simple: mrf_simple}}
+  end
 end
--- a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
@ -37,4 +37,7 @@ def filter(%{"actor" => actor} = message) do

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/tag_policy.ex
@ -165,4 +165,7 @@ def filter(%{"actor" => actor, "type" => "Create"} = message),

  @impl true
  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{}}
 end
--- a/lib/pleroma/web/activity_pub/mrf/user_allowlist_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/user_allowlist_policy.ex
@ -32,4 +32,13 @@ def filter(%{"actor" => actor} = object) do
  end

  def filter(object), do: {:ok, object}
+
+  @impl true
+  def describe do
+    mrf_user_allowlist =
+      Config.get([:mrf_user_allowlist], [])
+      |> Enum.into(%{}, fn {k, v} -> {k, length(v)} end)
+
+    {:ok, %{mrf_user_allowlist: mrf_user_allowlist}}
+  end
 end
--- a/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/vocabulary_policy.ex
@ -0,0 +1,37 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicy do
+  @moduledoc "Filter messages which belong to certain activity vocabularies"
+
+  @behaviour Pleroma.Web.ActivityPub.MRF
+
+  def filter(%{"type" => "Undo", "object" => child_message} = message) do
+    with {:ok, _} <- filter(child_message) do
+      {:ok, message}
+    else
+      {:reject, nil} ->
+        {:reject, nil}
+    end
+  end
+
+  def filter(%{"type" => message_type} = message) do
+    with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]),
+         rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]),
+         true <-
+           length(accepted_vocabulary) == 0 || Enum.member?(accepted_vocabulary, message_type),
+         false <-
+           length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type),
+         {:ok, _} <- filter(message["object"]) do
+      {:ok, message}
+    else
+      _ -> {:reject, nil}
+    end
+  end
+
+  def filter(message), do: {:ok, message}
+
+  def describe,
+    do: {:ok, %{mrf_vocabulary: Pleroma.Config.get(:mrf_vocabulary) |> Enum.into(%{})}}
+end
--- a/lib/pleroma/web/activity_pub/publisher.ex
+++ b/lib/pleroma/web/activity_pub/publisher.ex
@ -46,7 +46,7 @@ def is_representable?(%Activity{} = activity) do
  """
  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
+    %{host: host, path: path} = URI.parse(inbox)

    digest = "SHA-256=" <> (:crypto.hash(:sha256, json) |> Base.encode64())

@ -56,6 +56,7 @@ def publish_one(%{inbox: inbox, json: json, actor: %User{} = actor, id: id} = pa

    signature =
      Pleroma.Signature.sign(actor, %{
+        "(request-target)": "post #{path}",
        host: host,
        "content-length": byte_size(json),
        digest: digest,
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@ -14,6 +14,7 @@ def get_actor do
    |> User.get_or_create_service_actor_by_ap_id()
  end

+  @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
  def follow(target_instance) do
    with %User{} = local_user <- get_actor(),
         {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
@ -21,12 +22,17 @@ def follow(target_instance) do
      Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}")
      {:ok, activity}
    else
+      {:error, _} = error ->
+        Logger.error("error: #{inspect(error)}")
+        error
+
      e ->
        Logger.error("error: #{inspect(e)}")
        {:error, e}
    end
  end

+  @spec unfollow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
  def unfollow(target_instance) do
    with %User{} = local_user <- get_actor(),
         {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
@ -34,20 +40,27 @@ def unfollow(target_instance) do
      Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}")
      {:ok, activity}
    else
+      {:error, _} = error ->
+        Logger.error("error: #{inspect(error)}")
+        error
+
      e ->
        Logger.error("error: #{inspect(e)}")
        {:error, e}
    end
  end

+  @spec publish(any()) :: {:ok, Activity.t(), Object.t()} | {:error, any()}
  def publish(%Activity{data: %{"type" => "Create"}} = activity) do
    with %User{} = user <- get_actor(),
         %Object{} = object <- Object.normalize(activity) do
      ActivityPub.announce(user, object, nil, true, false)
    else
-      e -> Logger.error("error: #{inspect(e)}")
+      e ->
+        Logger.error("error: #{inspect(e)}")
+        {:error, inspect(e)}
    end
  end

-  def publish(_), do: nil
+  def publish(_), do: {:error, "Not implemented"}
 end
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@ -26,6 +26,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
  """
  def fix_object(object, options \\ []) do
    object
+    |> strip_internal_fields
    |> fix_actor
    |> fix_url
    |> fix_attachments
@ -34,7 +35,6 @@ def fix_object(object, options \\ []) do
    |> fix_emoji
    |> fix_tag
    |> fix_content_map
-    |> fix_likes
    |> fix_addressing
    |> fix_summary
    |> fix_type(options)
@ -151,20 +151,6 @@ def fix_actor(%{"attributedTo" => actor} = object) do
    |> Map.put("actor", Containment.get_actor(%{"actor" => actor}))
  end

-  # Check for standardisation
-  # This is what Peertube does
-  # curl -H 'Accept: application/activity+json' $likes | jq .totalItems
-  # Prismo returns only an integer (count) as "likes"
-  def fix_likes(%{"likes" => likes} = object) when not is_map(likes) do
-    object
-    |> Map.put("likes", [])
-    |> Map.put("like_count", 0)
-  end
-
-  def fix_likes(object) do
-    object
-  end
-
  def fix_in_reply_to(object, options \\ [])

  def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object, options)
@ -347,13 +333,15 @@ def fix_content_map(object), do: object

  def fix_type(object, options \\ [])

-  def fix_type(%{"inReplyTo" => reply_id} = object, options) when is_binary(reply_id) do
+  def fix_type(%{"inReplyTo" => reply_id, "name" => _} = object, options)
+      when is_binary(reply_id) do
    reply =
-      if Federator.allowed_incoming_reply_depth?(options[:depth]) do
-        Object.normalize(reply_id, true)
+      with true <- Federator.allowed_incoming_reply_depth?(options[:depth]),
+           {:ok, object} <- get_obj_helper(reply_id, options) do
+        object
      end

-    if reply && (reply.data["type"] == "Question" and object["name"]) do
+    if reply && reply.data["type"] == "Question" do
      Map.put(object, "type", "Answer")
    else
      object
@ -713,8 +701,7 @@ def handle_incoming(
        } = _data,
        _options
      ) do
-    with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
-         %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
+    with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
         {:ok, %User{} = blocker} <- User.get_or_fetch_by_ap_id(blocker),
         {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
      User.unblock(blocker, blocked)
@ -728,8 +715,7 @@ def handle_incoming(
        %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = _data,
        _options
      ) do
-    with true <- Pleroma.Config.get([:activitypub, :accept_blocks]),
-         %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
+    with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
         {:ok, %User{} = blocker} = User.get_or_fetch_by_ap_id(blocker),
         {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
      User.unfollow(blocker, blocked)
@ -784,7 +770,6 @@ def prepare_object(object) do
    |> add_mention_tags
    |> add_emoji_tags
    |> add_attributed_to
-    |> add_likes
    |> prepare_attachments
    |> set_conversation
    |> set_reply_to_uri
@ -971,22 +956,6 @@ def add_attributed_to(object) do
    |> Map.put("attributedTo", attributed_to)
  end

-  def add_likes(%{"id" => id, "like_count" => likes} = object) do
-    likes = %{
-      "id" => "#{id}/likes",
-      "first" => "#{id}/likes?page=1",
-      "type" => "OrderedCollection",
-      "totalItems" => likes
-    }
-
-    object
-    |> Map.put("likes", likes)
-  end
-
-  def add_likes(object) do
-    object
-  end
-
  def prepare_attachments(object) do
    attachments =
      (object["attachment"] || [])
@ -1002,6 +971,7 @@ def prepare_attachments(object) do
  defp strip_internal_fields(object) do
    object
    |> Map.drop([
+      "likes",
      "like_count",
      "announcements",
      "announcement_count",
--- a/lib/pleroma/web/chat_channel.ex
+++ b/lib/pleroma/web/chat_channel.ex
@ -33,9 +33,11 @@ def handle_in("new_msg", %{"text" => text}, %{assigns: %{user_name: user_name}}
 end

 defmodule Pleroma.Web.ChatChannel.ChatChannelState do
+  use Agent
+
  @max_messages 20

-  def start_link do
+  def start_link(_) do
    Agent.start_link(fn -> %{max_id: 1, messages: []} end, name: __MODULE__)
  end

--- a/lib/pleroma/web/federator/retry_queue.ex
+++ b/lib/pleroma/web/federator/retry_queue.ex
@ -13,7 +13,7 @@ def init(args) do
    {:ok, %{args | queue_table: queue_table, running_jobs: :sets.new()}}
  end

-  def start_link do
+  def start_link(_) do
    enabled =
      if Pleroma.Config.get(:env) == :test,
        do: true,
--- a/lib/pleroma/web/mastodon_api/mastodon_api.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api.ex
@ -13,10 +13,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
  alias Pleroma.User
  alias Pleroma.Web.CommonAPI

+  @spec follow(User.t(), User.t(), map) :: {:ok, User.t()} | {:error, String.t()}
  def follow(follower, followed, params \\ %{}) do
-    options = cast_params(params)
-    reblogs = options[:reblogs]
-
    result =
      if not User.following?(follower, followed) do
        CommonAPI.follow(follower, followed)
@ -24,19 +22,25 @@ def follow(follower, followed, params \\ %{}) do
        {:ok, follower, followed, nil}
      end

-    with {:ok, follower, followed, _} <- result do
-      reblogs
-      |> case do
-        false -> CommonAPI.hide_reblogs(follower, followed)
-        _ -> CommonAPI.show_reblogs(follower, followed)
-      end
-      |> case do
+    with {:ok, follower, _followed, _} <- result do
+      options = cast_params(params)
+
+      case reblogs_visibility(options[:reblogs], result) do
        {:ok, follower} -> {:ok, follower}
        _ -> {:ok, follower}
      end
    end
  end

+  defp reblogs_visibility(false, {:ok, follower, followed, _}) do
+    CommonAPI.hide_reblogs(follower, followed)
+  end
+
+  defp reblogs_visibility(_, {:ok, follower, followed, _}) do
+    CommonAPI.show_reblogs(follower, followed)
+  end
+
+  @spec get_followers(User.t(), map()) :: list(User.t())
  def get_followers(user, params \\ %{}) do
    user
    |> User.get_followers_query()
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@ -435,6 +435,7 @@ def public_timeline(%{assigns: %{user: user}} = conn, params) do
      |> Map.put("local_only", local_only)
      |> Map.put("blocking_user", user)
      |> Map.put("muting_user", user)
+      |> Map.put("user", user)
      |> ActivityPub.fetch_public_activities()
      |> Enum.reverse()

@ -496,12 +497,9 @@ def get_context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
         activities <-
           ActivityPub.fetch_activities_for_context(activity.data["context"], %{
             "blocking_user" => user,
-             "user" => user
+             "user" => user,
+             "exclude_id" => activity.id
           }),
-         activities <-
-           activities |> Enum.filter(fn %{id: aid} -> to_string(aid) != to_string(id) end),
-         activities <-
-           activities |> Enum.filter(fn %{data: %{"type" => type}} -> type == "Create" end),
         grouped_activities <- Enum.group_by(activities, fn %{id: id} -> id < activity.id end) do
      result = %{
        ancestors:
@ -536,8 +534,8 @@ def get_poll(%{assigns: %{user: user}} = conn, %{"id" => id}) do
      |> put_view(StatusView)
      |> try_render("poll.json", %{object: object, for: user})
    else
-      nil -> render_error(conn, :not_found, "Record not found")
-      false -> render_error(conn, :not_found, "Record not found")
+      error when is_nil(error) or error == false ->
+        render_error(conn, :not_found, "Record not found")
    end
  end

@ -885,8 +883,8 @@ def get_mascot(%{assigns: %{user: user}} = conn, _params) do
  end

  def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
-    with %Activity{data: %{"object" => object}} <- Activity.get_by_id(id),
-         %Object{data: %{"likes" => likes}} <- Object.normalize(object) do
+    with %Activity{} = activity <- Activity.get_by_id_with_object(id),
+         %Object{data: %{"likes" => likes}} <- Object.normalize(activity) do
      q = from(u in User, where: u.ap_id in ^likes)

      users =
@ -902,8 +900,8 @@ def favourited_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
  end

  def reblogged_by(%{assigns: %{user: user}} = conn, %{"id" => id}) do
-    with %Activity{data: %{"object" => object}} <- Activity.get_by_id(id),
-         %Object{data: %{"announcements" => announces}} <- Object.normalize(object) do
+    with %Activity{} = activity <- Activity.get_by_id_with_object(id),
+         %Object{data: %{"announcements" => announces}} <- Object.normalize(activity) do
      q = from(u in User, where: u.ap_id in ^announces)

      users =
@ -944,6 +942,7 @@ def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
      |> Map.put("local_only", local_only)
      |> Map.put("blocking_user", user)
      |> Map.put("muting_user", user)
+      |> Map.put("user", user)
      |> Map.put("tag", tags)
      |> Map.put("tag_all", tag_all)
      |> Map.put("tag_reject", tag_reject)
@ -1350,6 +1349,7 @@ def list_timeline(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params)
        params
        |> Map.put("type", "Create")
        |> Map.put("blocking_user", user)
+        |> Map.put("user", user)
        |> Map.put("muting_user", user)

      # we must filter the following list for the user to avoid leaking statuses the user
@ -1690,45 +1690,35 @@ def suggestions(%{assigns: %{user: user}} = conn, _) do
        |> String.replace("{{user}}", user)

      with {:ok, %{status: 200, body: body}} <-
-             HTTP.get(
-               url,
-               [],
-               adapter: [
-                 recv_timeout: timeout,
-                 pool: :default
-               ]
-             ),
+             HTTP.get(url, [], adapter: [recv_timeout: timeout, pool: :default]),
           {:ok, data} <- Jason.decode(body) do
        data =
          data
          |> Enum.slice(0, limit)
          |> Enum.map(fn x ->
-            Map.put(
-              x,
-              "id",
-              case User.get_or_fetch(x["acct"]) do
-                {:ok, %User{id: id}} -> id
-                _ -> 0
-              end
-            )
-          end)
-          |> Enum.map(fn x ->
-            Map.put(x, "avatar", MediaProxy.url(x["avatar"]))
-          end)
-          |> Enum.map(fn x ->
-            Map.put(x, "avatar_static", MediaProxy.url(x["avatar_static"]))
+            x
+            |> Map.put("id", fetch_suggestion_id(x))
+            |> Map.put("avatar", MediaProxy.url(x["avatar"]))
+            |> Map.put("avatar_static", MediaProxy.url(x["avatar_static"]))
          end)

-        conn
-        |> json(data)
+        json(conn, data)
      else
-        e -> Logger.error("Could not retrieve suggestions at fetch #{url}, #{inspect(e)}")
+        e ->
+          Logger.error("Could not retrieve suggestions at fetch #{url}, #{inspect(e)}")
      end
    else
      json(conn, [])
    end
  end

+  defp fetch_suggestion_id(attrs) do
+    case User.get_or_fetch(attrs["acct"]) do
+      {:ok, %User{id: id}} -> id
+      _ -> 0
+    end
+  end
+
  def status_card(%{assigns: %{user: user}} = conn, %{"id" => status_id}) do
    with %Activity{} = activity <- Activity.get_by_id(status_id),
         true <- Visibility.visible_for_user?(activity, user) do
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@ -72,6 +72,13 @@ defp do_render("account.json", %{user: user} = opts) do
    image = User.avatar_url(user) |> MediaProxy.url()
    header = User.banner_url(user) |> MediaProxy.url()
    user_info = User.get_cached_user_info(user)
+
+    following_count =
+      ((!user.info.hide_follows or opts[:for] == user) && user_info.following_count) || 0
+
+    followers_count =
+      ((!user.info.hide_followers or opts[:for] == user) && user_info.follower_count) || 0
+
    bot = (user.info.source_data["type"] || "Person") in ["Application", "Service"]

    emojis =
@ -102,8 +109,8 @@ defp do_render("account.json", %{user: user} = opts) do
      display_name: display_name,
      locked: user_info.locked,
      created_at: Utils.to_masto_date(user.inserted_at),
-      followers_count: user_info.follower_count,
-      following_count: user_info.following_count,
+      followers_count: followers_count,
+      following_count: following_count,
      statuses_count: user_info.note_count,
      note: bio || "",
      url: User.profile_url(user),
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@ -5,6 +5,8 @@
 defmodule Pleroma.Web.MastodonAPI.StatusView do
  use Pleroma.Web, :view

+  require Pleroma.Constants
+
  alias Pleroma.Activity
  alias Pleroma.HTML
  alias Pleroma.Object
@ -24,19 +26,19 @@ defp get_replied_to_activities([]), do: %{}
  defp get_replied_to_activities(activities) do
    activities
    |> Enum.map(fn
-      %{data: %{"type" => "Create", "object" => object}} ->
-        object = Object.normalize(object)
-        object.data["inReplyTo"] != "" && object.data["inReplyTo"]
+      %{data: %{"type" => "Create"}} = activity ->
+        object = Object.normalize(activity)
+        object && object.data["inReplyTo"] != "" && object.data["inReplyTo"]

      _ ->
        nil
    end)
    |> Enum.filter(& &1)
-    |> Activity.create_by_object_ap_id()
+    |> Activity.create_by_object_ap_id_with_object()
    |> Repo.all()
    |> Enum.reduce(%{}, fn activity, acc ->
      object = Object.normalize(activity)
-      Map.put(acc, object.data["id"], activity)
+      if object, do: Map.put(acc, object.data["id"], activity), else: acc
    end)
  end

@ -88,6 +90,7 @@ def render(
    reblogged_activity =
      Activity.create_by_object_ap_id(activity_object.data["id"])
      |> Activity.with_preloaded_bookmark(opts[:for])
+      |> Activity.with_set_thread_muted_field(opts[:for])
      |> Repo.one()

    reblogged = render("status.json", Map.put(opts, :activity, reblogged_activity))
@ -142,6 +145,7 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
    object = Object.normalize(activity)

    user = get_user(activity.data["actor"])
+    user_follower_address = user.follower_address

    like_count = object.data["like_count"] || 0
    announcement_count = object.data["announcement_count"] || 0
@ -157,7 +161,11 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
    mentions =
      (object.data["to"] ++ tag_mentions)
      |> Enum.uniq()
-      |> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
+      |> Enum.map(fn
+        Pleroma.Constants.as_public() -> nil
+        ^user_follower_address -> nil
+        ap_id -> User.get_cached_by_ap_id(ap_id)
+      end)
      |> Enum.filter(& &1)
      |> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)

@ -168,7 +176,7 @@ def render("status.json", %{activity: %{data: %{"object" => _object}} = activity
    thread_muted? =
      case activity.thread_muted? do
        thread_muted? when is_boolean(thread_muted?) -> thread_muted?
-        nil -> CommonAPI.thread_muted?(user, activity)
+        nil -> (opts[:for] && CommonAPI.thread_muted?(opts[:for], activity)) || false
      end

    attachment_data = object.data["attachment"] || []
--- a/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
+++ b/lib/pleroma/web/nodeinfo/nodeinfo_controller.ex
@ -34,64 +34,18 @@ def schemas(conn, _params) do
  def raw_nodeinfo do
    stats = Stats.get_stats()

-    exclusions = Config.get([:instance, :mrf_transparency_exclusions])
-
-    mrf_simple =
-      Config.get(:mrf_simple)
-      |> Enum.map(fn {k, v} -> {k, Enum.reject(v, fn v -> v in exclusions end)} end)
-      |> Enum.into(%{})
-
-    # This horror is needed to convert regex sigils to strings
-    mrf_keyword =
-      Config.get(:mrf_keyword, [])
-      |> Enum.map(fn {key, value} ->
-        {key,
-         Enum.map(value, fn
-           {pattern, replacement} ->
-             %{
-               "pattern" =>
-                 if not is_binary(pattern) do
-                   inspect(pattern)
-                 else
-                   pattern
-                 end,
-               "replacement" => replacement
-             }
-
-           pattern ->
-             if not is_binary(pattern) do
-               inspect(pattern)
-             else
-               pattern
-             end
-         end)}
-      end)
-      |> Enum.into(%{})
-
-    mrf_policies =
-      MRF.get_policies()
-      |> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end)
-
    quarantined = Config.get([:instance, :quarantined_instances], [])

    staff_accounts =
      User.all_superusers()
      |> Enum.map(fn u -> u.ap_id end)

-    mrf_user_allowlist =
-      Config.get([:mrf_user_allowlist], [])
-      |> Enum.into(%{}, fn {k, v} -> {k, length(v)} end)
-
    federation_response =
      if Config.get([:instance, :mrf_transparency]) do
-        %{
-          mrf_policies: mrf_policies,
-          mrf_simple: mrf_simple,
-          mrf_keyword: mrf_keyword,
-          mrf_user_allowlist: mrf_user_allowlist,
-          quarantined_instances: quarantined,
-          exclusions: length(exclusions) > 0
-        }
+        {:ok, data} = MRF.describe()
+
+        data
+        |> Map.merge(%{quarantined_instances: quarantined})
      else
        %{}
      end
--- a/lib/pleroma/web/oauth/token/clean_worker.ex
+++ b/lib/pleroma/web/oauth/token/clean_worker.ex
@ -6,36 +6,30 @@ defmodule Pleroma.Web.OAuth.Token.CleanWorker do
  @moduledoc """
  The module represents functions to clean an expired oauth tokens.
  """
+  use GenServer
+
+  @ten_seconds 10_000
+  @one_day 86_400_000

-  # 10 seconds
-  @start_interval 10_000
  @interval Pleroma.Config.get(
-              # 24 hours
              [:oauth2, :clean_expired_tokens_interval],
-              86_400_000
+              @one_day
            )
-  @queue :background

  alias Pleroma.Web.OAuth.Token

-  def start_link, do: GenServer.start_link(__MODULE__, nil)
+  def start_link(_), do: GenServer.start_link(__MODULE__, %{})

  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
+    Process.send_after(self(), :perform, @ten_seconds)
+    {:ok, nil}
  end

  @doc false
  def handle_info(:perform, state) do
+    Token.delete_expired_tokens()
+
    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
--- a/lib/pleroma/web/streamer.ex
+++ b/lib/pleroma/web/streamer.ex
@ -18,7 +18,7 @@ defmodule Pleroma.Web.Streamer do

  @keepalive_interval :timer.seconds(30)

-  def start_link do
+  def start_link(_) do
    GenServer.start_link(__MODULE__, %{}, name: __MODULE__)
  end

@ -35,28 +35,21 @@ def stream(topic, item) do
  end

  def init(args) do
-    spawn(fn ->
-      # 30 seconds
-      Process.sleep(@keepalive_interval)
-      GenServer.cast(__MODULE__, %{action: :ping})
-    end)
+    Process.send_after(self(), %{action: :ping}, @keepalive_interval)

    {:ok, args}
  end

-  def handle_cast(%{action: :ping}, topics) do
-    Map.values(topics)
+  def handle_info(%{action: :ping}, topics) do
+    topics
+    |> Map.values()
    |> List.flatten()
    |> Enum.each(fn socket ->
      Logger.debug("Sending keepalive ping")
      send(socket.transport_pid, {:text, ""})
    end)

-    spawn(fn ->
-      # 30 seconds
-      Process.sleep(@keepalive_interval)
-      GenServer.cast(__MODULE__, %{action: :ping})
-    end)
+    Process.send_after(self(), %{action: :ping}, @keepalive_interval)

    {:noreply, topics}
  end
--- a/lib/pleroma/web/web.ex
+++ b/lib/pleroma/web/web.ex
@ -58,10 +58,10 @@ def safe_render(view, template, assigns \\ %{}) do
      rescue
        error ->
          Logger.error(
-            "#{__MODULE__} failed to render #{inspect({view, template})}: #{inspect(error)}"
+            "#{__MODULE__} failed to render #{inspect({view, template})}\n" <>
+              Exception.format(:error, error, __STACKTRACE__)
          )

-          Logger.error(inspect(__STACKTRACE__))
          nil
      end

--- a/mix.exs
+++ b/mix.exs
@ -95,7 +95,7 @@ defp oauth_deps do
  defp deps do
    [
      {:phoenix, "~> 1.4.8"},
-      {:tzdata, "~> 1.0"},
+      {:tzdata, "~> 0.5.21"},
      {:plug_cowboy, "~> 2.0"},
      {:phoenix_pubsub, "~> 1.1"},
      {:phoenix_ecto, "~> 4.0"},
@ -114,8 +114,9 @@ defp deps do
      {:tesla, "~> 1.2"},
      {:jason, "~> 1.0"},
      {:mogrify, "~> 0.6.1"},
-      {:ex_aws, "~> 2.0"},
+      {:ex_aws, "~> 2.1"},
      {:ex_aws_s3, "~> 2.0"},
+      {:sweet_xml, "~> 0.6.6"},
      {:earmark, "~> 1.3"},
      {:bbcode, "~> 0.1.1"},
      {:ex_machina, "~> 2.3", only: :test},
--- a/mix.lock
+++ b/mix.lock
@ -80,13 +80,14 @@
  "ranch": {:hex, :ranch, "1.7.1", "6b1fab51b49196860b733a49c07604465a47bdb78aa10c1c16a3d199f7f8c881", [:rebar3], [], "hexpm"},
  "recon": {:git, "https://github.com/ferd/recon.git", "75d70c7c08926d2f24f1ee6de14ee50fe8a52763", [tag: "2.4.0"]},
  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.4", "f0eafff810d2041e93f915ef59899c923f4568f4585904d010387ed74988e77b", [:make, :mix, :rebar3], [], "hexpm"},
+  "sweet_xml": {:hex, :sweet_xml, "0.6.6", "fc3e91ec5dd7c787b6195757fbcf0abc670cee1e4172687b45183032221b66b8", [:mix], [], "hexpm"},
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+  "tzdata": {:hex, :tzdata, "0.5.21", "8cbf3607fcce69636c672d5be2bbb08687fe26639a62bdcc283d267277db7cf0", [:mix], [{:hackney, "~> 1.0", [hex: :hackney, repo: "hexpm", optional: false]}], "hexpm"},
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--- a/priv/static/adminfe/chunk-0e18.e12401fb.css
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+.select-field[data-v-71bc6b38]{width:350px}@media (min-device-width:768px) and (max-device-width:1024px),only screen and (max-width:760px){.select-field[data-v-71bc6b38]{width:100%;margin-bottom:5px}}.actions-button[data-v-94227b1e]{text-align:left;width:350px;padding:10px}.actions-button-container[data-v-94227b1e]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between}.el-dropdown[data-v-94227b1e]{float:right}.el-icon-edit[data-v-94227b1e]{margin-right:5px}.tag-container[data-v-94227b1e]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.tag-text[data-v-94227b1e]{padding-right:20px}.no-hover[data-v-94227b1e]:hover{color:#606266;background-color:#fff;cursor:auto}@media (min-device-width:768px) and (max-device-width:1024px),only screen and (max-width:760px){.create-user-dialog{width:80%}.create-account-form-item{margin-bottom:30px}.el-dialog__body{padding:20px 20px 0}}.actions-button[data-v-c51cd8ee]{text-align:left;width:350px;padding:10px}.actions-container[data-v-c51cd8ee]{display:-webkit-box;display:-ms-flexbox;display:flex;height:36px;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;margin:0 15px 10px}.active-tag[data-v-c51cd8ee]{color:#409eff;font-weight:700}.active-tag .el-icon-check[data-v-c51cd8ee]{color:#409eff;float:right;margin:7px 0 0 15px}.el-dropdown-link[data-v-c51cd8ee]:hover{cursor:pointer;color:#409eff}.el-icon-plus[data-v-c51cd8ee]{margin-right:5px}.users-container h1[data-v-c51cd8ee]{margin:22px 0 0 15px}.users-container .pagination[data-v-c51cd8ee]{margin:25px 0;text-align:center}.users-container .search[data-v-c51cd8ee]{width:350px;float:right}.users-container .filter-container[data-v-c51cd8ee]{display:-webkit-box;display:-ms-flexbox;display:flex;height:36px;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;margin:22px 15px 15px}.users-container .user-count[data-v-c51cd8ee]{color:grey;font-size:28px}@media (min-device-width:768px) and (max-device-width:1024px),only screen and (max-width:760px){.users-container h1[data-v-c51cd8ee]{margin:7px 10px 15px}.users-container .actions-container[data-v-c51cd8ee]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;margin:0 10px 7px}.users-container .create-account[data-v-c51cd8ee]{width:100%}.users-container .el-icon-arrow-down[data-v-c51cd8ee]{font-size:12px}.users-container .search[data-v-c51cd8ee]{width:100%}.users-container .filter-container[data-v-c51cd8ee]{display:-webkit-box;display:-ms-flexbox;display:flex;height:82px;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;margin:0 10px}.users-container .el-tag[data-v-c51cd8ee]{width:30px;display:inline-block;margin-bottom:4px;font-weight:700}.users-container .el-tag.el-tag--danger[data-v-c51cd8ee],.users-container .el-tag.el-tag--success[data-v-c51cd8ee]{padding-left:8px}}
--- a/priv/static/adminfe/chunk-elementUI.e5cd8da6.css
+++ b/priv/static/adminfe/chunk-elementUI.e5cd8da6.css
--- a/priv/static/adminfe/chunk-elementUI.f74c256b.css
+++ b/priv/static/adminfe/chunk-elementUI.f74c256b.css
--- a/priv/static/adminfe/index.html
+++ b/priv/static/adminfe/index.html
@ -1 +1 @@
-<!DOCTYPE html><html><head><meta charset=utf-8><meta http-equiv=X-UA-Compatible content="IE=edge,chrome=1"><meta name=renderer content=webkit><meta name=viewport content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"><title>Admin FE</title><link rel="shortcut icon" href=favicon.ico><link href=chunk-elementUI.f74c256b.css rel=stylesheet><link href=chunk-libs.4e8c4664.css rel=stylesheet><link href=app.34fc670f.css rel=stylesheet></head><body><script src=/pleroma/admin/static/tinymce4.7.5/tinymce.min.js></script><div id=app></div><script type=text/javascript src=static/js/runtime.d8d12c12.js></script><script type=text/javascript src=static/js/chunk-elementUI.1fa5434b.js></script><script type=text/javascript src=static/js/chunk-libs.d5609760.js></script><script type=text/javascript src=static/js/app.4137ad8f.js></script></body></html>
+<!DOCTYPE html><html><head><meta charset=utf-8><meta http-equiv=X-UA-Compatible content="IE=edge,chrome=1"><meta name=renderer content=webkit><meta name=viewport content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"><title>Admin FE</title><link rel="shortcut icon" href=favicon.ico><link href=chunk-elementUI.e5cd8da6.css rel=stylesheet><link href=chunk-libs.4e8c4664.css rel=stylesheet><link href=app.34fc670f.css rel=stylesheet></head><body><script src=/pleroma/admin/static/tinymce4.7.5/tinymce.min.js></script><div id=app></div><script type=text/javascript src=static/js/runtime.f40c8ec4.js></script><script type=text/javascript src=static/js/chunk-elementUI.1911151b.js></script><script type=text/javascript src=static/js/chunk-libs.fb0b7f4a.js></script><script type=text/javascript src=static/js/app.8e186193.js></script></body></html>
--- a/priv/static/adminfe/static/fonts/element-icons.2fad952.woff
+++ b/priv/static/adminfe/static/fonts/element-icons.2fad952.woff
--- a/priv/static/adminfe/static/fonts/element-icons.535877f.woff
+++ b/priv/static/adminfe/static/fonts/element-icons.535877f.woff
--- a/priv/static/adminfe/static/fonts/element-icons.6f0a763.ttf
+++ b/priv/static/adminfe/static/fonts/element-icons.6f0a763.ttf
--- a/priv/static/adminfe/static/fonts/element-icons.732389d.ttf
+++ b/priv/static/adminfe/static/fonts/element-icons.732389d.ttf
--- a/priv/static/adminfe/static/js/app.4137ad8f.js
+++ b/priv/static/adminfe/static/js/app.4137ad8f.js
--- a/priv/static/adminfe/static/js/app.8e186193.js
+++ b/priv/static/adminfe/static/js/app.8e186193.js
--- a/priv/static/adminfe/static/js/chunk-0e18.208cd826.js
+++ b/priv/static/adminfe/static/js/chunk-0e18.208cd826.js
--- a/priv/static/adminfe/static/js/chunk-1fbf.616fb309.js
+++ b/priv/static/adminfe/static/js/chunk-1fbf.616fb309.js
--- a/priv/static/adminfe/static/js/chunk-2325.154a537b.js
+++ b/priv/static/adminfe/static/js/chunk-2325.154a537b.js
--- a/priv/static/adminfe/static/js/chunk-56c9.28e35fc3.js
+++ b/priv/static/adminfe/static/js/chunk-56c9.28e35fc3.js
--- a/priv/static/adminfe/static/js/chunk-5e57.7313703a.js
+++ b/priv/static/adminfe/static/js/chunk-5e57.7313703a.js
--- a/priv/static/adminfe/static/js/chunk-5eaf.5b76e416.js
+++ b/priv/static/adminfe/static/js/chunk-5eaf.5b76e416.js
--- a/priv/static/adminfe/static/js/chunk-7fe2.458f9da5.js
+++ b/priv/static/adminfe/static/js/chunk-7fe2.458f9da5.js
--- a/priv/static/adminfe/static/js/chunk-e547.d57d1b91.js
+++ b/priv/static/adminfe/static/js/chunk-e547.d57d1b91.js
--- a/priv/static/adminfe/static/js/chunk-elementUI.1911151b.js
+++ b/priv/static/adminfe/static/js/chunk-elementUI.1911151b.js
--- a/priv/static/adminfe/static/js/chunk-elementUI.1fa5434b.js
+++ b/priv/static/adminfe/static/js/chunk-elementUI.1fa5434b.js
--- a/priv/static/adminfe/static/js/chunk-libs.fb0b7f4a.js
+++ b/priv/static/adminfe/static/js/chunk-libs.fb0b7f4a.js
--- a/priv/static/adminfe/static/js/runtime.d8d12c12.js
+++ b/priv/static/adminfe/static/js/runtime.d8d12c12.js
--- a/priv/static/adminfe/static/js/runtime.f40c8ec4.js
+++ b/priv/static/adminfe/static/js/runtime.f40c8ec4.js
--- a/test/config/transfer_task_test.exs
+++ b/test/config/transfer_task_test.exs
@ -31,7 +31,7 @@ test "transfer config values from db to env" do
      value: [live: 15, com: 35]
    })

-    Pleroma.Config.TransferTask.start_link()
+    Pleroma.Config.TransferTask.start_link([])

    assert Application.get_env(:pleroma, :test_key) == [live: 2, com: 3]
    assert Application.get_env(:idna, :test_key) == [live: 15, com: 35]
@ -50,7 +50,7 @@ test "non existing atom" do
    })

    assert ExUnit.CaptureLog.capture_log(fn ->
-             Pleroma.Config.TransferTask.start_link()
+             Pleroma.Config.TransferTask.start_link([])
           end) =~
             "updating env causes error, key: \"undefined_atom_key\", error: %ArgumentError{message: \"argument error\"}"
  end
--- a/test/support/mrf_module_mock.ex
+++ b/test/support/mrf_module_mock.ex
@ -0,0 +1,13 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule MRFModuleMock do
+  @behaviour Pleroma.Web.ActivityPub.MRF
+
+  @impl true
+  def filter(message), do: {:ok, message}
+
+  @impl true
+  def describe, do: {:ok, %{mrf_module_mock: "some config data"}}
+end
--- a/test/tasks/database_test.exs
+++ b/test/tasks/database_test.exs
@ -3,8 +3,11 @@
 # SPDX-License-Identifier: AGPL-3.0-only

 defmodule Mix.Tasks.Pleroma.DatabaseTest do
+  alias Pleroma.Object
  alias Pleroma.Repo
  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+
  use Pleroma.DataCase

  import Pleroma.Factory
@ -46,4 +49,37 @@ test "following and followers count are updated" do
      assert user.info.follower_count == 0
    end
  end
+
+  describe "running fix_likes_collections" do
+    test "it turns OrderedCollection likes into empty arrays" do
+      [user, user2] = insert_pair(:user)
+
+      {:ok, %{id: id, object: object}} = CommonAPI.post(user, %{"status" => "test"})
+      {:ok, %{object: object2}} = CommonAPI.post(user, %{"status" => "test test"})
+
+      CommonAPI.favorite(id, user2)
+
+      likes = %{
+        "first" =>
+          "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1",
+        "id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes",
+        "totalItems" => 3,
+        "type" => "OrderedCollection"
+      }
+
+      new_data = Map.put(object2.data, "likes", likes)
+
+      object2
+      |> Ecto.Changeset.change(%{data: new_data})
+      |> Repo.update()
+
+      assert length(Object.get_by_id(object.id).data["likes"]) == 1
+      assert is_map(Object.get_by_id(object2.id).data["likes"])
+
+      assert :ok == Mix.Tasks.Pleroma.Database.run(["fix_likes_collections"])
+
+      assert length(Object.get_by_id(object.id).data["likes"]) == 1
+      assert Enum.empty?(Object.get_by_id(object2.id).data["likes"])
+    end
+  end
 end
--- a/test/uploaders/local_test.exs
+++ b/test/uploaders/local_test.exs
@ -0,0 +1,32 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Uploaders.LocalTest do
+  use Pleroma.DataCase
+  alias Pleroma.Uploaders.Local
+
+  describe "get_file/1" do
+    test "it returns path to local folder for files" do
+      assert Local.get_file("") == {:ok, {:static_dir, "test/uploads"}}
+    end
+  end
+
+  describe "put_file/1" do
+    test "put file to local folder" do
+      file_path = "local_upload/files/image.jpg"
+
+      file = %Pleroma.Upload{
+        name: "image.jpg",
+        content_type: "image/jpg",
+        path: file_path,
+        tempfile: Path.absname("test/fixtures/image_tmp.jpg")
+      }
+
+      assert Local.put_file(file) == :ok
+
+      assert Path.join([Local.upload_path(), file_path])
+             |> File.exists?()
+    end
+  end
+end
--- a/test/uploaders/mdii_test.exs
+++ b/test/uploaders/mdii_test.exs
@ -0,0 +1,50 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Uploaders.MDIITest do
+  use Pleroma.DataCase
+  alias Pleroma.Uploaders.MDII
+  import Tesla.Mock
+
+  describe "get_file/1" do
+    test "it returns path to local folder for files" do
+      assert MDII.get_file("") == {:ok, {:static_dir, "test/uploads"}}
+    end
+  end
+
+  describe "put_file/1" do
+    setup do
+      file_upload = %Pleroma.Upload{
+        name: "mdii-image.jpg",
+        content_type: "image/jpg",
+        path: "test_folder/mdii-image.jpg",
+        tempfile: Path.absname("test/fixtures/image_tmp.jpg")
+      }
+
+      [file_upload: file_upload]
+    end
+
+    test "save file", %{file_upload: file_upload} do
+      mock(fn
+        %{method: :post, url: "https://mdii.sakura.ne.jp/mdii-post.cgi?jpg"} ->
+          %Tesla.Env{status: 200, body: "mdii-image"}
+      end)
+
+      assert MDII.put_file(file_upload) ==
+               {:ok, {:url, "https://mdii.sakura.ne.jp/mdii-image.jpg"}}
+    end
+
+    test "save file to local if MDII  isn`t available", %{file_upload: file_upload} do
+      mock(fn
+        %{method: :post, url: "https://mdii.sakura.ne.jp/mdii-post.cgi?jpg"} ->
+          %Tesla.Env{status: 500}
+      end)
+
+      assert MDII.put_file(file_upload) == :ok
+
+      assert Path.join([Pleroma.Uploaders.Local.upload_path(), file_upload.path])
+             |> File.exists?()
+    end
+  end
+end
--- a/test/uploaders/s3_test.exs
+++ b/test/uploaders/s3_test.exs
@ -0,0 +1,90 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Uploaders.S3Test do
+  use Pleroma.DataCase
+
+  alias Pleroma.Config
+  alias Pleroma.Uploaders.S3
+
+  import Mock
+  import ExUnit.CaptureLog
+
+  setup do
+    config = Config.get([Pleroma.Uploaders.S3])
+
+    Config.put([Pleroma.Uploaders.S3],
+      bucket: "test_bucket",
+      public_endpoint: "https://s3.amazonaws.com"
+    )
+
+    on_exit(fn ->
+      Config.put([Pleroma.Uploaders.S3], config)
+    end)
+
+    :ok
+  end
+
+  describe "get_file/1" do
+    test "it returns path to local folder for files" do
+      assert S3.get_file("test_image.jpg") == {
+               :ok,
+               {:url, "https://s3.amazonaws.com/test_bucket/test_image.jpg"}
+             }
+    end
+
+    test "it returns path without bucket when truncated_namespace set to ''" do
+      Config.put([Pleroma.Uploaders.S3],
+        bucket: "test_bucket",
+        public_endpoint: "https://s3.amazonaws.com",
+        truncated_namespace: ""
+      )
+
+      assert S3.get_file("test_image.jpg") == {
+               :ok,
+               {:url, "https://s3.amazonaws.com/test_image.jpg"}
+             }
+    end
+
+    test "it returns path with bucket namespace when namespace is set" do
+      Config.put([Pleroma.Uploaders.S3],
+        bucket: "test_bucket",
+        public_endpoint: "https://s3.amazonaws.com",
+        bucket_namespace: "family"
+      )
+
+      assert S3.get_file("test_image.jpg") == {
+               :ok,
+               {:url, "https://s3.amazonaws.com/family:test_bucket/test_image.jpg"}
+             }
+    end
+  end
+
+  describe "put_file/1" do
+    setup do
+      file_upload = %Pleroma.Upload{
+        name: "image-tet.jpg",
+        content_type: "image/jpg",
+        path: "test_folder/image-tet.jpg",
+        tempfile: Path.absname("test/fixtures/image_tmp.jpg")
+      }
+
+      [file_upload: file_upload]
+    end
+
+    test "save file", %{file_upload: file_upload} do
+      with_mock ExAws, request: fn _ -> {:ok, :ok} end do
+        assert S3.put_file(file_upload) == {:ok, {:file, "test_folder/image-tet.jpg"}}
+      end
+    end
+
+    test "returns error", %{file_upload: file_upload} do
+      with_mock ExAws, request: fn _ -> {:error, "S3 Upload failed"} end do
+        assert capture_log(fn ->
+                 assert S3.put_file(file_upload) == {:error, "S3 Upload failed"}
+               end) =~ "Elixir.Pleroma.Uploaders.S3: {:error, \"S3 Upload failed\"}"
+      end
+    end
+  end
+end
--- a/test/user_test.exs
+++ b/test/user_test.exs
@ -525,7 +525,10 @@ test "it has required fields" do
    end

    test "it restricts some sizes" do
-      [bio: 5000, name: 100]
+      bio_limit = Pleroma.Config.get([:instance, :user_bio_length], 5000)
+      name_limit = Pleroma.Config.get([:instance, :user_name_length], 100)
+
+      [bio: bio_limit, name: name_limit]
      |> Enum.each(fn {field, size} ->
        string = String.pad_leading(".", size)
        cs = User.remote_user_creation(Map.put(@valid_remote, field, string))
--- a/test/web/activity_pub/mrf/mrf_test.exs
+++ b/test/web/activity_pub/mrf/mrf_test.exs
@ -4,8 +4,8 @@ defmodule Pleroma.Web.ActivityPub.MRFTest do

  test "subdomains_regex/1" do
    assert MRF.subdomains_regex(["unsafe.tld", "*.unsafe.tld"]) == [
-             ~r/^unsafe.tld$/,
-             ~r/^(.*\.)*unsafe.tld$/
+             ~r/^unsafe.tld$/i,
+             ~r/^(.*\.)*unsafe.tld$/i
           ]
  end

@ -13,7 +13,7 @@ test "subdomains_regex/1" do
    test "common domains" do
      regexes = MRF.subdomains_regex(["unsafe.tld", "unsafe2.tld"])

-      assert regexes == [~r/^unsafe.tld$/, ~r/^unsafe2.tld$/]
+      assert regexes == [~r/^unsafe.tld$/i, ~r/^unsafe2.tld$/i]

      assert MRF.subdomain_match?(regexes, "unsafe.tld")
      assert MRF.subdomain_match?(regexes, "unsafe2.tld")
@ -24,7 +24,7 @@ test "common domains" do
    test "wildcard domains with one subdomain" do
      regexes = MRF.subdomains_regex(["*.unsafe.tld"])

-      assert regexes == [~r/^(.*\.)*unsafe.tld$/]
+      assert regexes == [~r/^(.*\.)*unsafe.tld$/i]

      assert MRF.subdomain_match?(regexes, "unsafe.tld")
      assert MRF.subdomain_match?(regexes, "sub.unsafe.tld")
@ -35,12 +35,52 @@ test "wildcard domains with one subdomain" do
    test "wildcard domains with two subdomains" do
      regexes = MRF.subdomains_regex(["*.unsafe.tld"])

-      assert regexes == [~r/^(.*\.)*unsafe.tld$/]
+      assert regexes == [~r/^(.*\.)*unsafe.tld$/i]

      assert MRF.subdomain_match?(regexes, "unsafe.tld")
      assert MRF.subdomain_match?(regexes, "sub.sub.unsafe.tld")
      refute MRF.subdomain_match?(regexes, "sub.anotherunsafe.tld")
      refute MRF.subdomain_match?(regexes, "sub.unsafe.tldanother")
    end
+
+    test "matches are case-insensitive" do
+      regexes = MRF.subdomains_regex(["UnSafe.TLD", "UnSAFE2.Tld"])
+
+      assert regexes == [~r/^UnSafe.TLD$/i, ~r/^UnSAFE2.Tld$/i]
+
+      assert MRF.subdomain_match?(regexes, "UNSAFE.TLD")
+      assert MRF.subdomain_match?(regexes, "UNSAFE2.TLD")
+      assert MRF.subdomain_match?(regexes, "unsafe.tld")
+      assert MRF.subdomain_match?(regexes, "unsafe2.tld")
+
+      refute MRF.subdomain_match?(regexes, "EXAMPLE.COM")
+      refute MRF.subdomain_match?(regexes, "example.com")
+    end
+  end
+
+  describe "describe/0" do
+    test "it works as expected with noop policy" do
+      expected = %{
+        mrf_policies: ["NoOpPolicy"],
+        exclusions: false
+      }
+
+      {:ok, ^expected} = MRF.describe()
+    end
+
+    test "it works as expected with mock policy" do
+      config = Pleroma.Config.get([:instance, :rewrite_policy])
+      Pleroma.Config.put([:instance, :rewrite_policy], [MRFModuleMock])
+
+      expected = %{
+        mrf_policies: ["MRFModuleMock"],
+        mrf_module_mock: "some config data",
+        exclusions: false
+      }
+
+      {:ok, ^expected} = MRF.describe()
+
+      Pleroma.Config.put([:instance, :rewrite_policy], config)
+    end
  end
 end
--- a/test/web/activity_pub/mrf/vocabulary_policy_test.exs
+++ b/test/web/activity_pub/mrf/vocabulary_policy_test.exs
@ -0,0 +1,123 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.MRF.VocabularyPolicy
+
+  describe "accept" do
+    test "it accepts based on parent activity type" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :accept])
+      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Like"])
+
+      message = %{
+        "type" => "Like",
+        "object" => "whatever"
+      }
+
+      {:ok, ^message} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :accept], config)
+    end
+
+    test "it accepts based on child object type" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :accept])
+      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Create", "Note"])
+
+      message = %{
+        "type" => "Create",
+        "object" => %{
+          "type" => "Note",
+          "content" => "whatever"
+        }
+      }
+
+      {:ok, ^message} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :accept], config)
+    end
+
+    test "it does not accept disallowed child objects" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :accept])
+      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Create", "Note"])
+
+      message = %{
+        "type" => "Create",
+        "object" => %{
+          "type" => "Article",
+          "content" => "whatever"
+        }
+      }
+
+      {:reject, nil} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :accept], config)
+    end
+
+    test "it does not accept disallowed parent types" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :accept])
+      Pleroma.Config.put([:mrf_vocabulary, :accept], ["Announce", "Note"])
+
+      message = %{
+        "type" => "Create",
+        "object" => %{
+          "type" => "Note",
+          "content" => "whatever"
+        }
+      }
+
+      {:reject, nil} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :accept], config)
+    end
+  end
+
+  describe "reject" do
+    test "it rejects based on parent activity type" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :reject])
+      Pleroma.Config.put([:mrf_vocabulary, :reject], ["Like"])
+
+      message = %{
+        "type" => "Like",
+        "object" => "whatever"
+      }
+
+      {:reject, nil} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :reject], config)
+    end
+
+    test "it rejects based on child object type" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :reject])
+      Pleroma.Config.put([:mrf_vocabulary, :reject], ["Note"])
+
+      message = %{
+        "type" => "Create",
+        "object" => %{
+          "type" => "Note",
+          "content" => "whatever"
+        }
+      }
+
+      {:reject, nil} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :reject], config)
+    end
+
+    test "it passes through objects that aren't disallowed" do
+      config = Pleroma.Config.get([:mrf_vocabulary, :reject])
+      Pleroma.Config.put([:mrf_vocabulary, :reject], ["Like"])
+
+      message = %{
+        "type" => "Announce",
+        "object" => "whatever"
+      }
+
+      {:ok, ^message} = VocabularyPolicy.filter(message)
+
+      Pleroma.Config.put([:mrf_vocabulary, :reject], config)
+    end
+  end
+end
--- a/test/web/activity_pub/relay_test.exs
+++ b/test/web/activity_pub/relay_test.exs
@ -5,11 +5,71 @@
 defmodule Pleroma.Web.ActivityPub.RelayTest do
  use Pleroma.DataCase

+  alias Pleroma.Activity
+  alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.ActivityPub.Relay

+  import Pleroma.Factory
+
  test "gets an actor for the relay" do
    user = Relay.get_actor()
+    assert user.ap_id == "#{Pleroma.Web.Endpoint.url()}/relay"
+  end

-    assert user.ap_id =~ "/relay"
+  describe "follow/1" do
+    test "returns errors when user not found" do
+      assert Relay.follow("test-ap-id") == {:error, "Could not fetch by AP id"}
+    end
+
+    test "returns activity" do
+      user = insert(:user)
+      service_actor = Relay.get_actor()
+      assert {:ok, %Activity{} = activity} = Relay.follow(user.ap_id)
+      assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
+      assert user.ap_id in activity.recipients
+      assert activity.data["type"] == "Follow"
+      assert activity.data["actor"] == service_actor.ap_id
+      assert activity.data["object"] == user.ap_id
+    end
+  end
+
+  describe "unfollow/1" do
+    test "returns errors when user not found" do
+      assert Relay.unfollow("test-ap-id") == {:error, "Could not fetch by AP id"}
+    end
+
+    test "returns activity" do
+      user = insert(:user)
+      service_actor = Relay.get_actor()
+      ActivityPub.follow(service_actor, user)
+      assert {:ok, %Activity{} = activity} = Relay.unfollow(user.ap_id)
+      assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
+      assert user.ap_id in activity.recipients
+      assert activity.data["type"] == "Undo"
+      assert activity.data["actor"] == service_actor.ap_id
+      assert activity.data["to"] == [user.ap_id]
+    end
+  end
+
+  describe "publish/1" do
+    test "returns error when activity not `Create` type" do
+      activity = insert(:like_activity)
+      assert Relay.publish(activity) == {:error, "Not implemented"}
+    end
+
+    test "returns error when activity not public" do
+      activity = insert(:direct_note_activity)
+      assert Relay.publish(activity) == {:error, false}
+    end
+
+    test "returns announce activity" do
+      service_actor = Relay.get_actor()
+      note = insert(:note_activity)
+      assert {:ok, %Activity{} = activity, %Object{} = obj} = Relay.publish(note)
+      assert activity.data["type"] == "Announce"
+      assert activity.data["actor"] == service_actor.ap_id
+      assert activity.data["object"] == obj.data["id"]
+    end
  end
 end
--- a/test/web/activity_pub/transmogrifier_test.exs
+++ b/test/web/activity_pub/transmogrifier_test.exs
@ -450,6 +450,27 @@ test "it ensures that address fields become lists" do
      assert !is_nil(data["cc"])
    end

+    test "it strips internal likes" do
+      data =
+        File.read!("test/fixtures/mastodon-post-activity.json")
+        |> Poison.decode!()
+
+      likes = %{
+        "first" =>
+          "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1",
+        "id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes",
+        "totalItems" => 3,
+        "type" => "OrderedCollection"
+      }
+
+      object = Map.put(data["object"], "likes", likes)
+      data = Map.put(data, "object", object)
+
+      {:ok, %Activity{object: object}} = Transmogrifier.handle_incoming(data)
+
+      refute Map.has_key?(object.data, "likes")
+    end
+
    test "it works for incoming update activities" do
      data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()

@ -1061,14 +1082,7 @@ test "it strips internal fields of article" do
      assert is_nil(modified["object"]["announcements"])
      assert is_nil(modified["object"]["announcement_count"])
      assert is_nil(modified["object"]["context_id"])
-    end
-
-    test "it adds like collection to object" do
-      activity = insert(:note_activity)
-      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
-
-      assert modified["object"]["likes"]["type"] == "OrderedCollection"
-      assert modified["object"]["likes"]["totalItems"] == 0
+      assert is_nil(modified["object"]["likes"])
    end

    test "the directMessage flag is present" do
--- a/test/web/mastodon_api/account_view_test.exs
+++ b/test/web/mastodon_api/account_view_test.exs
@ -356,4 +356,31 @@ test "sanitizes display names" do
    result = AccountView.render("account.json", %{user: user})
    refute result.display_name == "<marquee> username </marquee>"
  end
+
+  describe "hiding follows/following" do
+    test "shows when follows/following are hidden and sets follower/following count to 0" do
+      user = insert(:user, info: %{hide_followers: true, hide_follows: true})
+      other_user = insert(:user)
+      {:ok, user, other_user, _activity} = CommonAPI.follow(user, other_user)
+      {:ok, _other_user, user, _activity} = CommonAPI.follow(other_user, user)
+
+      assert %{
+               followers_count: 0,
+               following_count: 0,
+               pleroma: %{hide_follows: true, hide_followers: true}
+             } = AccountView.render("account.json", %{user: user})
+    end
+
+    test "shows actual follower/following count to the account owner" do
+      user = insert(:user, info: %{hide_followers: true, hide_follows: true})
+      other_user = insert(:user)
+      {:ok, user, other_user, _activity} = CommonAPI.follow(user, other_user)
+      {:ok, _other_user, user, _activity} = CommonAPI.follow(other_user, user)
+
+      assert %{
+               followers_count: 1,
+               following_count: 1
+             } = AccountView.render("account.json", %{user: user, for: user})
+    end
+  end
 end
--- a/test/web/mastodon_api/mastodon_api_controller_test.exs
+++ b/test/web/mastodon_api/mastodon_api_controller_test.exs
@ -7,6 +7,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do

  alias Ecto.Changeset
  alias Pleroma.Activity
+  alias Pleroma.Config
  alias Pleroma.Notification
  alias Pleroma.Object
  alias Pleroma.Repo
@ -85,11 +86,11 @@ test "the public timeline", %{conn: conn} do
  end

  test "the public timeline when public is set to false", %{conn: conn} do
-    public = Pleroma.Config.get([:instance, :public])
-    Pleroma.Config.put([:instance, :public], false)
+    public = Config.get([:instance, :public])
+    Config.put([:instance, :public], false)

    on_exit(fn ->
-      Pleroma.Config.put([:instance, :public], public)
+      Config.put([:instance, :public], public)
    end)

    assert conn
@ -250,7 +251,7 @@ test "posting a fake status", %{conn: conn} do
    end

    test "posting a status with OGP link preview", %{conn: conn} do
-      Pleroma.Config.put([:rich_media, :enabled], true)
+      Config.put([:rich_media, :enabled], true)

      conn =
        conn
@ -260,7 +261,7 @@ test "posting a status with OGP link preview", %{conn: conn} do

      assert %{"id" => id, "card" => %{"title" => "The Rock"}} = json_response(conn, 200)
      assert Activity.get_by_id(id)
-      Pleroma.Config.put([:rich_media, :enabled], false)
+      Config.put([:rich_media, :enabled], false)
    end

    test "posting a direct status", %{conn: conn} do
@ -304,7 +305,7 @@ test "posting a poll", %{conn: conn} do

    test "option limit is enforced", %{conn: conn} do
      user = insert(:user)
-      limit = Pleroma.Config.get([:instance, :poll_limits, :max_options])
+      limit = Config.get([:instance, :poll_limits, :max_options])

      conn =
        conn
@ -320,7 +321,7 @@ test "option limit is enforced", %{conn: conn} do

    test "option character limit is enforced", %{conn: conn} do
      user = insert(:user)
-      limit = Pleroma.Config.get([:instance, :poll_limits, :max_option_chars])
+      limit = Config.get([:instance, :poll_limits, :max_option_chars])

      conn =
        conn
@ -339,7 +340,7 @@ test "option character limit is enforced", %{conn: conn} do

    test "minimal date limit is enforced", %{conn: conn} do
      user = insert(:user)
-      limit = Pleroma.Config.get([:instance, :poll_limits, :min_expiration])
+      limit = Config.get([:instance, :poll_limits, :min_expiration])

      conn =
        conn
@ -358,7 +359,7 @@ test "minimal date limit is enforced", %{conn: conn} do

    test "maximum date limit is enforced", %{conn: conn} do
      user = insert(:user)
-      limit = Pleroma.Config.get([:instance, :poll_limits, :max_expiration])
+      limit = Config.get([:instance, :poll_limits, :max_expiration])

      conn =
        conn
@ -1633,12 +1634,12 @@ test "returns the relationships for the current user", %{conn: conn} do

  describe "media upload" do
    setup do
-      upload_config = Pleroma.Config.get([Pleroma.Upload])
-      proxy_config = Pleroma.Config.get([:media_proxy])
+      upload_config = Config.get([Pleroma.Upload])
+      proxy_config = Config.get([:media_proxy])

      on_exit(fn ->
-        Pleroma.Config.put([Pleroma.Upload], upload_config)
-        Pleroma.Config.put([:media_proxy], proxy_config)
+        Config.put([Pleroma.Upload], upload_config)
+        Config.put([:media_proxy], proxy_config)
      end)

      user = insert(:user)
@ -2581,7 +2582,7 @@ test "get instance information", %{conn: conn} do
    conn = get(conn, "/api/v1/instance")
    assert result = json_response(conn, 200)

-    email = Pleroma.Config.get([:instance, :email])
+    email = Config.get([:instance, :email])
    # Note: not checking for "max_toot_chars" since it's optional
    assert %{
             "uri" => _,
@ -2623,7 +2624,7 @@ test "get instance stats", %{conn: conn} do
      |> Changeset.put_embed(:info, info_change)
      |> User.update_and_set_cache()

-    Pleroma.Stats.update_stats()
+    Pleroma.Stats.force_update()

    conn = get(conn, "/api/v1/instance")

@ -2641,7 +2642,7 @@ test "get peers", %{conn: conn} do
    insert(:user, %{local: false, nickname: "u@peer1.com"})
    insert(:user, %{local: false, nickname: "u@peer2.com"})

-    Pleroma.Stats.update_stats()
+    Pleroma.Stats.force_update()

    conn = get(conn, "/api/v1/instance/peers")

@ -2666,7 +2667,7 @@ test "put settings", %{conn: conn} do

  describe "pinned statuses" do
    setup do
-      Pleroma.Config.put([:instance, :max_pinned_statuses], 1)
+      Config.put([:instance, :max_pinned_statuses], 1)

      user = insert(:user)
      {:ok, activity} = CommonAPI.post(user, %{"status" => "HI!!!"})
@ -2766,10 +2767,10 @@ test "max pinned statuses", %{conn: conn, user: user, activity: activity_one} do

  describe "cards" do
    setup do
-      Pleroma.Config.put([:rich_media, :enabled], true)
+      Config.put([:rich_media, :enabled], true)

      on_exit(fn ->
-        Pleroma.Config.put([:rich_media, :enabled], false)
+        Config.put([:rich_media, :enabled], false)
      end)

      user = insert(:user)
@ -2901,8 +2902,10 @@ test "bookmarks" do

  describe "conversation muting" do
    setup do
+      post_user = insert(:user)
      user = insert(:user)
-      {:ok, activity} = CommonAPI.post(user, %{"status" => "HIE"})
+
+      {:ok, activity} = CommonAPI.post(post_user, %{"status" => "HIE"})

      [user: user, activity: activity]
    end
@ -2995,7 +2998,7 @@ test "comment must be up to the size specified in the config", %{
      reporter: reporter,
      target_user: target_user
    } do
-      max_size = Pleroma.Config.get([:instance, :max_report_comment_size], 1000)
+      max_size = Config.get([:instance, :max_report_comment_size], 1000)
      comment = String.pad_trailing("a", max_size + 1, "a")

      error = %{"error" => "Comment must be up to #{max_size} characters"}
@ -3124,15 +3127,15 @@ test "redirects not logged-in users to the login page on private instances", %{
      conn: conn,
      path: path
    } do
-      is_public = Pleroma.Config.get([:instance, :public])
-      Pleroma.Config.put([:instance, :public], false)
+      is_public = Config.get([:instance, :public])
+      Config.put([:instance, :public], false)

      conn = get(conn, path)

      assert conn.status == 302
      assert redirected_to(conn) == "/web/login"

-      Pleroma.Config.put([:instance, :public], is_public)
+      Config.put([:instance, :public], is_public)
    end

    test "does not redirect logged in users to the login page", %{conn: conn, path: path} do
@ -3874,8 +3877,8 @@ test "it sends an email to user", %{user: user} do
      token_record = Repo.get_by(Pleroma.PasswordResetToken, user_id: user.id)

      email = Pleroma.Emails.UserEmail.password_reset_email(user, token_record.token)
-      notify_email = Pleroma.Config.get([:instance, :notify_email])
-      instance_name = Pleroma.Config.get([:instance, :name])
+      notify_email = Config.get([:instance, :notify_email])
+      instance_name = Config.get([:instance, :name])

      assert_email_sent(
        from: {instance_name, notify_email},
@ -3907,11 +3910,11 @@ test "it returns 400 when user is not local", %{conn: conn, user: user} do

  describe "POST /api/v1/pleroma/accounts/confirmation_resend" do
    setup do
-      setting = Pleroma.Config.get([:instance, :account_activation_required])
+      setting = Config.get([:instance, :account_activation_required])

      unless setting do
-        Pleroma.Config.put([:instance, :account_activation_required], true)
-        on_exit(fn -> Pleroma.Config.put([:instance, :account_activation_required], setting) end)
+        Config.put([:instance, :account_activation_required], true)
+        on_exit(fn -> Config.put([:instance, :account_activation_required], setting) end)
      end

      user = insert(:user)
@ -3935,8 +3938,8 @@ test "resend account confirmation email", %{conn: conn, user: user} do
      |> json_response(:no_content)

      email = Pleroma.Emails.UserEmail.account_confirmation_email(user)
-      notify_email = Pleroma.Config.get([:instance, :notify_email])
-      instance_name = Pleroma.Config.get([:instance, :name])
+      notify_email = Config.get([:instance, :notify_email])
+      instance_name = Config.get([:instance, :name])

      assert_email_sent(
        from: {instance_name, notify_email},
@ -3945,4 +3948,84 @@ test "resend account confirmation email", %{conn: conn, user: user} do
      )
    end
  end
+
+  describe "GET /api/v1/suggestions" do
+    setup do
+      user = insert(:user)
+      other_user = insert(:user)
+      config = Config.get(:suggestions)
+      on_exit(fn -> Config.put(:suggestions, config) end)
+
+      host = Config.get([Pleroma.Web.Endpoint, :url, :host])
+      url500 = "http://test500?#{host}&#{user.nickname}"
+      url200 = "http://test200?#{host}&#{user.nickname}"
+
+      mock(fn
+        %{method: :get, url: ^url500} ->
+          %Tesla.Env{status: 500, body: "bad request"}
+
+        %{method: :get, url: ^url200} ->
+          %Tesla.Env{
+            status: 200,
+            body:
+              ~s([{"acct":"yj455","avatar":"https://social.heldscal.la/avatar/201.jpeg","avatar_static":"https://social.heldscal.la/avatar/s/201.jpeg"}, {"acct":"#{
+                other_user.ap_id
+              }","avatar":"https://social.heldscal.la/avatar/202.jpeg","avatar_static":"https://social.heldscal.la/avatar/s/202.jpeg"}])
+          }
+      end)
+
+      [user: user, other_user: other_user]
+    end
+
+    test "returns empty result when suggestions disabled", %{conn: conn, user: user} do
+      Config.put([:suggestions, :enabled], false)
+
+      res =
+        conn
+        |> assign(:user, user)
+        |> get("/api/v1/suggestions")
+        |> json_response(200)
+
+      assert res == []
+    end
+
+    test "returns error", %{conn: conn, user: user} do
+      Config.put([:suggestions, :enabled], true)
+      Config.put([:suggestions, :third_party_engine], "http://test500?{{host}}&{{user}}")
+
+      res =
+        conn
+        |> assign(:user, user)
+        |> get("/api/v1/suggestions")
+        |> json_response(500)
+
+      assert res == "Something went wrong"
+    end
+
+    test "returns suggestions", %{conn: conn, user: user, other_user: other_user} do
+      Config.put([:suggestions, :enabled], true)
+      Config.put([:suggestions, :third_party_engine], "http://test200?{{host}}&{{user}}")
+
+      res =
+        conn
+        |> assign(:user, user)
+        |> get("/api/v1/suggestions")
+        |> json_response(200)
+
+      assert res == [
+               %{
+                 "acct" => "yj455",
+                 "avatar" => "https://social.heldscal.la/avatar/201.jpeg",
+                 "avatar_static" => "https://social.heldscal.la/avatar/s/201.jpeg",
+                 "id" => 0
+               },
+               %{
+                 "acct" => other_user.ap_id,
+                 "avatar" => "https://social.heldscal.la/avatar/202.jpeg",
+                 "avatar_static" => "https://social.heldscal.la/avatar/s/202.jpeg",
+                 "id" => other_user.id
+               }
+             ]
+    end
+  end
 end
--- a/test/web/mastodon_api/mastodon_api_test.exs
+++ b/test/web/mastodon_api/mastodon_api_test.exs
@ -0,0 +1,103 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.MastodonAPITest do
+  use Pleroma.Web.ConnCase
+
+  alias Pleroma.Notification
+  alias Pleroma.ScheduledActivity
+  alias Pleroma.User
+  alias Pleroma.Web.MastodonAPI.MastodonAPI
+  alias Pleroma.Web.TwitterAPI.TwitterAPI
+
+  import Pleroma.Factory
+
+  describe "follow/3" do
+    test "returns error when user deactivated" do
+      follower = insert(:user)
+      user = insert(:user, local: true, info: %{deactivated: true})
+      {:error, error} = MastodonAPI.follow(follower, user)
+      assert error == "Could not follow user: You are deactivated."
+    end
+
+    test "following for user" do
+      follower = insert(:user)
+      user = insert(:user)
+      {:ok, follower} = MastodonAPI.follow(follower, user)
+      assert User.following?(follower, user)
+    end
+
+    test "returns ok if user already followed" do
+      follower = insert(:user)
+      user = insert(:user)
+      {:ok, follower} = User.follow(follower, user)
+      {:ok, follower} = MastodonAPI.follow(follower, refresh_record(user))
+      assert User.following?(follower, user)
+    end
+  end
+
+  describe "get_followers/2" do
+    test "returns user followers" do
+      follower1_user = insert(:user)
+      follower2_user = insert(:user)
+      user = insert(:user)
+      {:ok, _follower1_user} = User.follow(follower1_user, user)
+      {:ok, follower2_user} = User.follow(follower2_user, user)
+
+      assert MastodonAPI.get_followers(user, %{"limit" => 1}) == [follower2_user]
+    end
+  end
+
+  describe "get_friends/2" do
+    test "returns user friends" do
+      user = insert(:user)
+      followed_one = insert(:user)
+      followed_two = insert(:user)
+      followed_three = insert(:user)
+
+      {:ok, user} = User.follow(user, followed_one)
+      {:ok, user} = User.follow(user, followed_two)
+      {:ok, user} = User.follow(user, followed_three)
+      res = MastodonAPI.get_friends(user)
+
+      assert length(res) == 3
+      assert Enum.member?(res, refresh_record(followed_three))
+      assert Enum.member?(res, refresh_record(followed_two))
+      assert Enum.member?(res, refresh_record(followed_one))
+    end
+  end
+
+  describe "get_notifications/2" do
+    test "returns notifications for user" do
+      user = insert(:user)
+      subscriber = insert(:user)
+
+      User.subscribe(subscriber, user)
+
+      {:ok, status} = TwitterAPI.create_status(user, %{"status" => "Akariiiin"})
+      {:ok, status1} = TwitterAPI.create_status(user, %{"status" => "Magi"})
+      {:ok, [notification]} = Notification.create_notifications(status)
+      {:ok, [notification1]} = Notification.create_notifications(status1)
+      res = MastodonAPI.get_notifications(subscriber)
+
+      assert Enum.member?(Enum.map(res, & &1.id), notification.id)
+      assert Enum.member?(Enum.map(res, & &1.id), notification1.id)
+    end
+  end
+
+  describe "get_scheduled_activities/2" do
+    test "returns user scheduled activities" do
+      user = insert(:user)
+
+      today =
+        NaiveDateTime.utc_now()
+        |> NaiveDateTime.add(:timer.minutes(6), :millisecond)
+        |> NaiveDateTime.to_iso8601()
+
+      attrs = %{params: %{}, scheduled_at: today}
+      {:ok, schedule} = ScheduledActivity.create(user, attrs)
+      assert MastodonAPI.get_scheduled_activities(user) == [schedule]
+    end
+  end
+end
--- a/test/web/node_info_test.exs
+++ b/test/web/node_info_test.exs
@ -85,6 +85,9 @@ test "it returns the safe_dm_mentions feature if enabled", %{conn: conn} do
  end

  test "it shows MRF transparency data if enabled", %{conn: conn} do
+    config = Pleroma.Config.get([:instance, :rewrite_policy])
+    Pleroma.Config.put([:instance, :rewrite_policy], [Pleroma.Web.ActivityPub.MRF.SimplePolicy])
+
    option = Pleroma.Config.get([:instance, :mrf_transparency])
    Pleroma.Config.put([:instance, :mrf_transparency], true)

@ -98,11 +101,15 @@ test "it shows MRF transparency data if enabled", %{conn: conn} do

    assert response["metadata"]["federation"]["mrf_simple"] == simple_config

+    Pleroma.Config.put([:instance, :rewrite_policy], config)
    Pleroma.Config.put([:instance, :mrf_transparency], option)
    Pleroma.Config.put(:mrf_simple, %{})
  end

  test "it performs exclusions from MRF transparency data if configured", %{conn: conn} do
+    config = Pleroma.Config.get([:instance, :rewrite_policy])
+    Pleroma.Config.put([:instance, :rewrite_policy], [Pleroma.Web.ActivityPub.MRF.SimplePolicy])
+
    option = Pleroma.Config.get([:instance, :mrf_transparency])
    Pleroma.Config.put([:instance, :mrf_transparency], true)

@ -122,6 +129,7 @@ test "it performs exclusions from MRF transparency data if configured", %{conn:
    assert response["metadata"]["federation"]["mrf_simple"] == expected_config
    assert response["metadata"]["federation"]["exclusions"] == true

+    Pleroma.Config.put([:instance, :rewrite_policy], config)
    Pleroma.Config.put([:instance, :mrf_transparency], option)
    Pleroma.Config.put([:instance, :mrf_transparency_exclusions], exclusions)
    Pleroma.Config.put(:mrf_simple, %{})
				`@ -0,0 +1 @@`
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