Merge branch 'develop' into media-preview-proxy

2020-09-03 10:34:06 -05:00 · 2020-09-03 10:34:06 -05:00 · 85446cc30c
commit 85446cc30c
parent 6ce28c4091 9433311923
60 changed files with 557 additions and 191 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -3,6 +3,17 @@ All notable changes to this project will be documented in this file.

 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).

+## unreleased-patch - ???
+
+### Added
+- Rich media failure tracking (along with `:failure_backoff` option)
+
+### Fixed
+- Mastodon API: Search parameter `following` now correctly returns the followings rather than the followers
+- Mastodon API: Timelines hanging for (`number of posts with links * rich media timeout`) in the worst case.
+  Reduced to just rich media timeout.
+- Password resets no longer processed for deactivated accounts
+
 ## [2.1.0] - 2020-08-28

 ### Changed
--- a/config/config.exs
+++ b/config/config.exs
@ -412,6 +412,7 @@
    Pleroma.Web.RichMedia.Parsers.TwitterCard,
    Pleroma.Web.RichMedia.Parsers.OEmbed
  ],
+  failure_backoff: 60_000,
  ttl_setters: [Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl]

 config :pleroma, :media_proxy,
@ -752,19 +753,23 @@
 config :pleroma, :pools,
  federation: [
    size: 50,
-    max_waiting: 10
+    max_waiting: 10,
+    timeout: 10_000
  ],
  media: [
    size: 50,
-    max_waiting: 10
+    max_waiting: 10,
+    timeout: 10_000
  ],
  upload: [
    size: 25,
-    max_waiting: 5
+    max_waiting: 5,
+    timeout: 15_000
  ],
  default: [
    size: 10,
-    max_waiting: 2
+    max_waiting: 2,
+    timeout: 5_000
  ]

 config :pleroma, :hackney_pools,
--- a/config/description.exs
+++ b/config/description.exs
@ -2441,6 +2441,13 @@
        suggestions: [
          Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl
        ]
+      },
+      %{
+        key: :failure_backoff,
+        type: :integer,
+        description:
+          "Amount of milliseconds after request failure, during which the request will not be retried.",
+        suggestions: [60_000]
      }
    ]
  },
--- a/docs/configuration/cheatsheet.md
+++ b/docs/configuration/cheatsheet.md
@ -361,6 +361,7 @@ config :pleroma, Pleroma.Web.MediaProxy.Invalidation.Http,
 * `ignore_hosts`: list of hosts which will be ignored by the metadata parser. For example `["accounts.google.com", "xss.website"]`, defaults to `[]`.
 * `ignore_tld`: list TLDs (top-level domains) which will ignore for parse metadata. default is ["local", "localdomain", "lan"].
 * `parsers`: list of Rich Media parsers.
+* `failure_backoff`: Amount of milliseconds after request failure, during which the request will not be retried.

 ## HTTP server

--- a/lib/mix/tasks/pleroma/frontend.ex
+++ b/lib/mix/tasks/pleroma/frontend.ex
@ -69,7 +69,7 @@ def run(["install", frontend | args]) do

    fe_label = "#{frontend} (#{ref})"

-    tmp_dir = Path.join(dest, "tmp")
+    tmp_dir = Path.join([instance_static_dir, "frontends", "tmp"])

    with {_, :ok} <-
           {:download_or_unzip, download_or_unzip(frontend_info, tmp_dir, options[:file])},
@ -124,7 +124,9 @@ defp download_build(frontend_info, dest) do
    url = String.replace(frontend_info["build_url"], "${ref}", frontend_info["ref"])

    with {:ok, %{status: 200, body: zip_body}} <-
-           Pleroma.HTTP.get(url, [], timeout: 120_000, recv_timeout: 120_000) do
+           Pleroma.HTTP.get(url, [],
+             adapter: [pool: :media, timeout: 120_000, recv_timeout: 120_000]
+           ) do
      unzip(zip_body, dest)
    else
      e -> {:error, e}
@ -133,6 +135,7 @@ defp download_build(frontend_info, dest) do

  defp install_frontend(frontend_info, source, dest) do
    from = frontend_info["build_dir"] || "dist"
+    File.rm_rf!(dest)
    File.mkdir_p!(dest)
    File.cp_r!(Path.join([source, from]), dest)
    :ok
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@ -22,13 +22,18 @@ def named_version, do: @name <> " " <> @version
  def repository, do: @repository

  def user_agent do
-    case Config.get([:http, :user_agent], :default) do
-      :default ->
-        info = "#{Pleroma.Web.base_url()} <#{Config.get([:instance, :email], "")}>"
-        named_version() <> "; " <> info
+    if Process.whereis(Pleroma.Web.Endpoint) do
+      case Config.get([:http, :user_agent], :default) do
+        :default ->
+          info = "#{Pleroma.Web.base_url()} <#{Config.get([:instance, :email], "")}>"
+          named_version() <> "; " <> info

-      custom ->
-        custom
+        custom ->
+          custom
+      end
+    else
+      # fallback, if endpoint is not started yet
+      "Pleroma Data Loader"
    end
  end

@ -39,6 +44,9 @@ def start(_type, _args) do
    # every time the application is restarted, so we disable module
    # conflicts at runtime
    Code.compiler_options(ignore_module_conflict: true)
+    # Disable warnings_as_errors at runtime, it breaks Phoenix live reload
+    # due to protocol consolidation warnings
+    Code.compiler_options(warnings_as_errors: false)
    Pleroma.Telemetry.Logger.attach()
    Config.Holder.save_default()
    Pleroma.HTML.compile_scrubbers()
--- a/lib/pleroma/ecto_type/activity_pub/object_validators/emoji.ex
+++ b/lib/pleroma/ecto_type/activity_pub/object_validators/emoji.ex
@ -0,0 +1,34 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.EctoType.ActivityPub.ObjectValidators.Emoji do
+  use Ecto.Type
+
+  def type, do: :map
+
+  def cast(data) when is_map(data) do
+    has_invalid_emoji? =
+      Enum.find(data, fn
+        {name, uri} when is_binary(name) and is_binary(uri) ->
+          # based on ObjectValidators.Uri.cast()
+          case URI.parse(uri) do
+            %URI{host: nil} -> true
+            %URI{host: ""} -> true
+            %URI{scheme: scheme} when scheme in ["https", "http"] -> false
+            _ -> true
+          end
+
+        {_name, _uri} ->
+          true
+      end)
+
+    if has_invalid_emoji?, do: :error, else: {:ok, data}
+  end
+
+  def cast(_data), do: :error
+
+  def dump(data), do: {:ok, data}
+
+  def load(data), do: {:ok, data}
+end
--- a/lib/pleroma/gun/connection_pool/worker.ex
+++ b/lib/pleroma/gun/connection_pool/worker.ex
@ -83,17 +83,25 @@ def handle_call(:remove_client, {client_pid, _}, %{key: key} = state) do
      end)

    {ref, state} = pop_in(state.client_monitors[client_pid])
-    Process.demonitor(ref)
-
-    timer =
-      if used_by == [] do
-        max_idle = Pleroma.Config.get([:connections_pool, :max_idle_time], 30_000)
-        Process.send_after(self(), :idle_close, max_idle)
+    # DOWN message can receive right after `remove_client` call and cause worker to terminate
+    state =
+      if is_nil(ref) do
+        state
      else
-        nil
+        Process.demonitor(ref)
+
+        timer =
+          if used_by == [] do
+            max_idle = Pleroma.Config.get([:connections_pool, :max_idle_time], 30_000)
+            Process.send_after(self(), :idle_close, max_idle)
+          else
+            nil
+          end
+
+        %{state | timer: timer}
      end

-    {:reply, :ok, %{state | timer: timer}, :hibernate}
+    {:reply, :ok, state, :hibernate}
  end

  @impl true
@ -103,16 +111,21 @@ def handle_info(:idle_close, state) do
    {:stop, :normal, state}
  end

+  @impl true
+  def handle_info({:gun_up, _pid, _protocol}, state) do
+    {:noreply, state, :hibernate}
+  end
+
  # Gracefully shutdown if the connection got closed without any streams left
  @impl true
  def handle_info({:gun_down, _pid, _protocol, _reason, []}, state) do
    {:stop, :normal, state}
  end

-  # Otherwise, shutdown with an error
+  # Otherwise, wait for retry
  @impl true
-  def handle_info({:gun_down, _pid, _protocol, _reason, _killed_streams} = down_message, state) do
-    {:stop, {:error, down_message}, state}
+  def handle_info({:gun_down, _pid, _protocol, _reason, _killed_streams}, state) do
+    {:noreply, state, :hibernate}
  end

  @impl true
--- a/lib/pleroma/html.ex
+++ b/lib/pleroma/html.ex
@ -109,8 +109,9 @@ def extract_first_external_url(object, content) do
      result =
        content
        |> Floki.parse_fragment!()
-        |> Floki.filter_out("a.mention,a.hashtag,a.attachment,a[rel~=\"tag\"]")
-        |> Floki.attribute("a", "href")
+        |> Floki.find("a:not(.mention,.hashtag,.attachment,[rel~=\"tag\"])")
+        |> Enum.take(1)
+        |> Floki.attribute("href")
        |> Enum.at(0)

      {:commit, {:ok, result}}
--- a/lib/pleroma/http/adapter_helper.ex
+++ b/lib/pleroma/http/adapter_helper.ex
@ -11,7 +11,6 @@ defmodule Pleroma.HTTP.AdapterHelper do
  @type proxy_type() :: :socks4 | :socks5
  @type host() :: charlist() | :inet.ip_address()

-  alias Pleroma.Config
  alias Pleroma.HTTP.AdapterHelper
  require Logger

@ -44,27 +43,13 @@ def maybe_add_proxy(opts, proxy), do: Keyword.put_new(opts, :proxy, proxy)
  @spec options(URI.t(), keyword()) :: keyword()
  def options(%URI{} = uri, opts \\ []) do
    @defaults
-    |> put_timeout()
    |> Keyword.merge(opts)
    |> adapter_helper().options(uri)
  end

-  # For Hackney, this is the time a connection can stay idle in the pool.
-  # For Gun, this is the timeout to receive a message from Gun.
-  defp put_timeout(opts) do
-    {config_key, default} =
-      if adapter() == Tesla.Adapter.Gun do
-        {:pools, Config.get([:pools, :default, :timeout], 5_000)}
-      else
-        {:hackney_pools, 10_000}
-      end
-
-    timeout = Config.get([config_key, opts[:pool], :timeout], default)
-
-    Keyword.merge(opts, timeout: timeout)
-  end
-
+  @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
  def get_conn(uri, opts), do: adapter_helper().get_conn(uri, opts)
+
  defp adapter, do: Application.get_env(:tesla, :adapter)

  defp adapter_helper do
--- a/lib/pleroma/http/adapter_helper/gun.ex
+++ b/lib/pleroma/http/adapter_helper/gun.ex
@ -5,6 +5,7 @@
 defmodule Pleroma.HTTP.AdapterHelper.Gun do
  @behaviour Pleroma.HTTP.AdapterHelper

+  alias Pleroma.Config
  alias Pleroma.Gun.ConnectionPool
  alias Pleroma.HTTP.AdapterHelper

@ -14,31 +15,46 @@ defmodule Pleroma.HTTP.AdapterHelper.Gun do
    connect_timeout: 5_000,
    domain_lookup_timeout: 5_000,
    tls_handshake_timeout: 5_000,
-    retry: 0,
+    retry: 1,
    retry_timeout: 1000,
    await_up_timeout: 5_000
  ]

+  @type pool() :: :federation | :upload | :media | :default
+
  @spec options(keyword(), URI.t()) :: keyword()
  def options(incoming_opts \\ [], %URI{} = uri) do
    proxy =
-      Pleroma.Config.get([:http, :proxy_url])
+      [:http, :proxy_url]
+      |> Config.get()
      |> AdapterHelper.format_proxy()

-    config_opts = Pleroma.Config.get([:http, :adapter], [])
+    config_opts = Config.get([:http, :adapter], [])

    @defaults
    |> Keyword.merge(config_opts)
    |> add_scheme_opts(uri)
    |> AdapterHelper.maybe_add_proxy(proxy)
    |> Keyword.merge(incoming_opts)
+    |> put_timeout()
  end

  defp add_scheme_opts(opts, %{scheme: "http"}), do: opts

  defp add_scheme_opts(opts, %{scheme: "https"}) do
-    opts
-    |> Keyword.put(:certificates_verification, true)
+    Keyword.put(opts, :certificates_verification, true)
+  end
+
+  defp put_timeout(opts) do
+    # this is the timeout to receive a message from Gun
+    Keyword.put_new(opts, :timeout, pool_timeout(opts[:pool]))
+  end
+
+  @spec pool_timeout(pool()) :: non_neg_integer()
+  def pool_timeout(pool) do
+    default = Config.get([:pools, :default, :timeout], 5_000)
+
+    Config.get([:pools, pool, :timeout], default)
  end

  @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
@ -51,11 +67,11 @@ def get_conn(uri, opts) do

  @prefix Pleroma.Gun.ConnectionPool
  def limiter_setup do
-    wait = Pleroma.Config.get([:connections_pool, :connection_acquisition_wait])
-    retries = Pleroma.Config.get([:connections_pool, :connection_acquisition_retries])
+    wait = Config.get([:connections_pool, :connection_acquisition_wait])
+    retries = Config.get([:connections_pool, :connection_acquisition_retries])

    :pools
-    |> Pleroma.Config.get([])
+    |> Config.get([])
    |> Enum.each(fn {name, opts} ->
      max_running = Keyword.get(opts, :size, 50)
      max_waiting = Keyword.get(opts, :max_waiting, 10)
@ -69,7 +85,6 @@ def limiter_setup do
      case result do
        :ok -> :ok
        {:error, :existing} -> :ok
-        e -> raise e
      end
    end)

--- a/lib/pleroma/http/ex_aws.ex
+++ b/lib/pleroma/http/ex_aws.ex
@ -11,6 +11,8 @@ defmodule Pleroma.HTTP.ExAws do

  @impl true
  def request(method, url, body \\ "", headers \\ [], http_opts \\ []) do
+    http_opts = Keyword.put_new(http_opts, :adapter, pool: :upload)
+
    case HTTP.request(method, url, body, headers, http_opts) do
      {:ok, env} ->
        {:ok, %{status_code: env.status, headers: env.headers, body: env.body}}
--- a/lib/pleroma/http/tzdata.ex
+++ b/lib/pleroma/http/tzdata.ex
@ -11,6 +11,8 @@ defmodule Pleroma.HTTP.Tzdata do

  @impl true
  def get(url, headers, options) do
+    options = Keyword.put_new(options, :adapter, pool: :default)
+
    with {:ok, %Tesla.Env{} = env} <- HTTP.get(url, headers, options) do
      {:ok, {env.status, env.headers, env.body}}
    end
@ -18,6 +20,8 @@ def get(url, headers, options) do

  @impl true
  def head(url, headers, options) do
+    options = Keyword.put_new(options, :adapter, pool: :default)
+
    with {:ok, %Tesla.Env{} = env} <- HTTP.head(url, headers, options) do
      {:ok, {env.status, env.headers}}
    end
--- a/lib/pleroma/instances/instance.ex
+++ b/lib/pleroma/instances/instance.ex
@ -150,7 +150,9 @@ def get_or_update_favicon(%URI{host: host} = instance_uri) do
  defp scrape_favicon(%URI{} = instance_uri) do
    try do
      with {:ok, %Tesla.Env{body: html}} <-
-             Pleroma.HTTP.get(to_string(instance_uri), [{:Accept, "text/html"}]),
+             Pleroma.HTTP.get(to_string(instance_uri), [{"accept", "text/html"}],
+               adapter: [pool: :media]
+             ),
           favicon_rel <-
             html
             |> Floki.parse_document!()
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@ -648,4 +648,16 @@ def for_user_and_activity(user, activity) do
    )
    |> Repo.one()
  end
+
+  @spec mark_context_as_read(User.t(), String.t()) :: {integer(), nil | [term()]}
+  def mark_context_as_read(%User{id: id}, context) do
+    from(
+      n in Notification,
+      join: a in assoc(n, :activity),
+      where: n.user_id == ^id,
+      where: n.seen == false,
+      where: fragment("?->>'context'", a.data) == ^context
+    )
+    |> Repo.update_all(set: [seen: true])
+  end
 end
--- a/lib/pleroma/object/fetcher.ex
+++ b/lib/pleroma/object/fetcher.ex
@ -36,8 +36,7 @@ defp maybe_reinject_internal_fields(_, new_data), do: new_data
  defp reinject_object(%Object{data: %{"type" => "Question"}} = object, new_data) do
    Logger.debug("Reinjecting object #{new_data["id"]}")

-    with new_data <- Transmogrifier.fix_object(new_data),
-         data <- maybe_reinject_internal_fields(object, new_data),
+    with data <- maybe_reinject_internal_fields(object, new_data),
         {:ok, data, _} <- ObjectValidator.validate(data, %{}),
         changeset <- Object.change(object, %{data: data}),
         changeset <- touch_changeset(changeset),
@ -164,12 +163,12 @@ defp make_signature(id, date) do
        date: date
      })

-    [{"signature", signature}]
+    {"signature", signature}
  end

  defp sign_fetch(headers, id, date) do
    if Pleroma.Config.get([:activitypub, :sign_object_fetches]) do
-      headers ++ make_signature(id, date)
+      [make_signature(id, date) | headers]
    else
      headers
    end
@ -177,7 +176,7 @@ defp sign_fetch(headers, id, date) do

  defp maybe_date_fetch(headers, date) do
    if Pleroma.Config.get([:activitypub, :sign_object_fetches]) do
-      headers ++ [{"date", date}]
+      [{"date", date} | headers]
    else
      headers
    end
--- a/lib/pleroma/uploaders/s3.ex
+++ b/lib/pleroma/uploaders/s3.ex
@ -46,12 +46,23 @@ def put_file(%Pleroma.Upload{} = upload) do

    op =
      if streaming do
-        upload.tempfile
-        |> ExAws.S3.Upload.stream_file()
-        |> ExAws.S3.upload(bucket, s3_name, [
-          {:acl, :public_read},
-          {:content_type, upload.content_type}
-        ])
+        op =
+          upload.tempfile
+          |> ExAws.S3.Upload.stream_file()
+          |> ExAws.S3.upload(bucket, s3_name, [
+            {:acl, :public_read},
+            {:content_type, upload.content_type}
+          ])
+
+        if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Gun do
+          # set s3 upload timeout to respect :upload pool timeout
+          # timeout should be slightly larger, so s3 can retry upload on fail
+          timeout = Pleroma.HTTP.AdapterHelper.Gun.pool_timeout(:upload) + 1_000
+          opts = Keyword.put(op.opts, :timeout, timeout)
+          Map.put(op, :opts, opts)
+        else
+          op
+        end
      else
        {:ok, file_data} = File.read(upload.tempfile)

--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@ -83,7 +83,7 @@ defmodule Pleroma.User do
  ]

  schema "users" do
-    field(:bio, :string)
+    field(:bio, :string, default: "")
    field(:raw_bio, :string)
    field(:email, :string)
    field(:name, :string)
@ -1587,7 +1587,7 @@ def purge_user_changeset(user) do
    # "Right to be forgotten"
    # https://gdpr.eu/right-to-be-forgotten/
    change(user, %{
-      bio: nil,
+      bio: "",
      raw_bio: nil,
      email: nil,
      name: nil,
--- a/lib/pleroma/user/search.ex
+++ b/lib/pleroma/user/search.ex
@ -116,7 +116,7 @@ defp trigram_rank(query, query_string) do
  end

  defp base_query(_user, false), do: User
-  defp base_query(user, true), do: User.get_followers_query(user)
+  defp base_query(user, true), do: User.get_friends_query(user)

  defp filter_invisible_users(query) do
    from(q in query, where: q.invisible == false)
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@ -1224,7 +1224,7 @@ defp object_to_user_data(data) do
      name: data["name"],
      follower_address: data["followers"],
      following_address: data["following"],
-      bio: data["summary"],
+      bio: data["summary"] || "",
      actor_type: actor_type,
      also_known_as: Map.get(data, "alsoKnownAs", []),
      public_key: public_key,
--- a/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/audio_validator.ex
@ -9,6 +9,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioValidator do
  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+  alias Pleroma.Web.ActivityPub.Transmogrifier

  import Ecto.Changeset

@ -33,8 +34,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AudioValidator do
    field(:attributedTo, ObjectValidators.ObjectID)
    field(:summary, :string)
    field(:published, ObjectValidators.DateTime)
-    # TODO: Write type
-    field(:emoji, :map, default: %{})
+    field(:emoji, ObjectValidators.Emoji, default: %{})
    field(:sensitive, :boolean, default: false)
    embeds_many(:attachment, AttachmentValidator)
    field(:replies_count, :integer, default: 0)
@ -83,6 +83,7 @@ defp fix(data) do
    data
    |> CommonFixes.fix_defaults()
    |> CommonFixes.fix_attribution()
+    |> Transmogrifier.fix_emoji()
    |> fix_url()
  end

--- a/lib/pleroma/web/activity_pub/object_validators/chat_message_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/chat_message_validator.ex
@ -22,7 +22,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator do
    field(:content, ObjectValidators.SafeText)
    field(:actor, ObjectValidators.ObjectID)
    field(:published, ObjectValidators.DateTime)
-    field(:emoji, :map, default: %{})
+    field(:emoji, ObjectValidators.Emoji, default: %{})

    embeds_one(:attachment, AttachmentValidator)
  end
--- a/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/common_fixes.ex
@ -11,8 +11,8 @@ def fix_defaults(data) do
      Utils.create_context(data["context"] || data["conversation"])

    data
-    |> Map.put_new("context", context)
-    |> Map.put_new("context_id", context_id)
+    |> Map.put("context", context)
+    |> Map.put("context_id", context_id)
  end

  def fix_attribution(data) do
--- a/lib/pleroma/web/activity_pub/object_validators/event_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/event_validator.ex
@ -9,6 +9,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EventValidator do
  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
+  alias Pleroma.Web.ActivityPub.Transmogrifier

  import Ecto.Changeset

@ -39,8 +40,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.EventValidator do

    field(:attributedTo, ObjectValidators.ObjectID)
    field(:published, ObjectValidators.DateTime)
-    # TODO: Write type
-    field(:emoji, :map, default: %{})
+    field(:emoji, ObjectValidators.Emoji, default: %{})
    field(:sensitive, :boolean, default: false)
    embeds_many(:attachment, AttachmentValidator)
    field(:replies_count, :integer, default: 0)
@ -74,6 +74,7 @@ defp fix(data) do
    data
    |> CommonFixes.fix_defaults()
    |> CommonFixes.fix_attribution()
+    |> Transmogrifier.fix_emoji()
  end

  def changeset(struct, data) do
--- a/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/note_validator.ex
@ -6,6 +6,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do
  use Ecto.Schema

  alias Pleroma.EctoType.ActivityPub.ObjectValidators
+  alias Pleroma.Web.ActivityPub.Transmogrifier

  import Ecto.Changeset

@ -32,8 +33,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.NoteValidator do
    field(:actor, ObjectValidators.ObjectID)
    field(:attributedTo, ObjectValidators.ObjectID)
    field(:published, ObjectValidators.DateTime)
-    # TODO: Write type
-    field(:emoji, :map, default: %{})
+    field(:emoji, ObjectValidators.Emoji, default: %{})
    field(:sensitive, :boolean, default: false)
    # TODO: Write type
    field(:attachment, {:array, :map}, default: [])
@ -53,7 +53,14 @@ def cast_and_validate(data) do
    |> validate_data()
  end

+  defp fix(data) do
+    data
+    |> Transmogrifier.fix_emoji()
+  end
+
  def cast_data(data) do
+    data = fix(data)
+
    %__MODULE__{}
    |> cast(data, __schema__(:fields))
  end
--- a/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
+++ b/lib/pleroma/web/activity_pub/object_validators/question_validator.ex
@ -10,6 +10,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator do
  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
  alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
  alias Pleroma.Web.ActivityPub.ObjectValidators.QuestionOptionsValidator
+  alias Pleroma.Web.ActivityPub.Transmogrifier

  import Ecto.Changeset

@ -35,8 +36,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.QuestionValidator do
    field(:attributedTo, ObjectValidators.ObjectID)
    field(:summary, :string)
    field(:published, ObjectValidators.DateTime)
-    # TODO: Write type
-    field(:emoji, :map, default: %{})
+    field(:emoji, ObjectValidators.Emoji, default: %{})
    field(:sensitive, :boolean, default: false)
    embeds_many(:attachment, AttachmentValidator)
    field(:replies_count, :integer, default: 0)
@ -85,6 +85,7 @@ defp fix(data) do
    data
    |> CommonFixes.fix_defaults()
    |> CommonFixes.fix_attribution()
+    |> Transmogrifier.fix_emoji()
    |> fix_closed()
  end

--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@ -318,9 +318,6 @@ def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
        Map.put(mapping, name, data["icon"]["url"])
      end)

-    # we merge mastodon and pleroma emoji into a single mapping, to allow for both wire formats
-    emoji = Map.merge(object["emoji"] || %{}, emoji)
-
    Map.put(object, "emoji", emoji)
  end

--- a/lib/pleroma/web/api_spec/operations/list_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/list_operation.ex
@ -114,7 +114,7 @@ def add_to_list_operation do
      description: "Add accounts to the given list.",
      operationId: "ListController.add_to_list",
      parameters: [id_param()],
-      requestBody: add_remove_accounts_request(),
+      requestBody: add_remove_accounts_request(true),
      security: [%{"oAuth" => ["write:lists"]}],
      responses: %{
        200 => Operation.response("Empty object", "application/json", %Schema{type: :object})
@ -127,8 +127,16 @@ def remove_from_list_operation do
      tags: ["Lists"],
      summary: "Remove accounts from list",
      operationId: "ListController.remove_from_list",
-      parameters: [id_param()],
-      requestBody: add_remove_accounts_request(),
+      parameters: [
+        id_param(),
+        Operation.parameter(
+          :account_ids,
+          :query,
+          %Schema{type: :array, items: %Schema{type: :string}},
+          "Array of account IDs"
+        )
+      ],
+      requestBody: add_remove_accounts_request(false),
      security: [%{"oAuth" => ["write:lists"]}],
      responses: %{
        200 => Operation.response("Empty object", "application/json", %Schema{type: :object})
@ -171,7 +179,7 @@ defp create_update_request do
    )
  end

-  defp add_remove_accounts_request do
+  defp add_remove_accounts_request(required) when is_boolean(required) do
    request_body(
      "Parameters",
      %Schema{
@ -180,9 +188,9 @@ defp add_remove_accounts_request do
        properties: %{
          account_ids: %Schema{type: :array, description: "Array of account IDs", items: FlakeID}
        },
-        required: [:account_ids]
+        required: required && [:account_ids]
      },
-      required: true
+      required: required
    )
  end
 end
--- a/lib/pleroma/web/auth/pleroma_authenticator.ex
+++ b/lib/pleroma/web/auth/pleroma_authenticator.ex
@ -68,7 +68,7 @@ def create_from_registration(
    nickname = value([registration_attrs["nickname"], Registration.nickname(registration)])
    email = value([registration_attrs["email"], Registration.email(registration)])
    name = value([registration_attrs["name"], Registration.name(registration)]) || nickname
-    bio = value([registration_attrs["bio"], Registration.description(registration)])
+    bio = value([registration_attrs["bio"], Registration.description(registration)]) || ""

    random_password = :crypto.strong_rand_bytes(64) |> Base.encode64()

--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@ -452,7 +452,8 @@ def unpin(id, user) do
  end

  def add_mute(user, activity) do
-    with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]) do
+    with {:ok, _} <- ThreadMute.add_mute(user.id, activity.data["context"]),
+         _ <- Pleroma.Notification.mark_context_as_read(user, activity.data["context"]) do
      {:ok, activity}
    else
      {:error, _} -> {:error, dgettext("errors", "conversation is already muted")}
--- a/lib/pleroma/web/mastodon_api/controllers/auth_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/auth_controller.ex
@ -59,17 +59,11 @@ def logout(conn, _) do
  def password_reset(conn, params) do
    nickname_or_email = params["email"] || params["nickname"]

-    with {:ok, _} <- TwitterAPI.password_reset(nickname_or_email) do
-      conn
-      |> put_status(:no_content)
-      |> json("")
-    else
-      {:error, "unknown user"} ->
-        send_resp(conn, :not_found, "")
+    TwitterAPI.password_reset(nickname_or_email)

-      {:error, _} ->
-        send_resp(conn, :bad_request, "")
-    end
+    conn
+    |> put_status(:no_content)
+    |> json("")
  end

  defp local_mastodon_root_path(conn) do
--- a/lib/pleroma/web/mastodon_api/controllers/list_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/list_controller.ex
@ -74,7 +74,7 @@ def add_to_list(%{assigns: %{list: list}, body_params: %{account_ids: account_id

  # DELETE /api/v1/lists/:id/accounts
  def remove_from_list(
-        %{assigns: %{list: list}, body_params: %{account_ids: account_ids}} = conn,
+        %{assigns: %{list: list}, params: %{account_ids: account_ids}} = conn,
        _
      ) do
    Enum.each(account_ids, fn account_id ->
@ -86,6 +86,10 @@ def remove_from_list(
    json(conn, %{})
  end

+  def remove_from_list(%{body_params: params} = conn, _) do
+    remove_from_list(%{conn | params: params}, %{})
+  end
+
  defp list_by_id_and_user(%{assigns: %{user: user}, params: %{id: id}} = conn, _) do
    case Pleroma.List.get(id, user) do
      %Pleroma.List{} = list -> assign(conn, :list, list)
--- a/lib/pleroma/web/mastodon_api/views/account_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/account_view.ex
@ -247,7 +247,7 @@ defp do_render("show.json", %{user: user} = opts) do
      followers_count: followers_count,
      following_count: following_count,
      statuses_count: user.note_count,
-      note: user.bio || "",
+      note: user.bio,
      url: user.uri || user.ap_id,
      avatar: avatar,
      avatar_static: avatar_static,
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@ -23,6 +23,17 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do

  import Pleroma.Web.ActivityPub.Visibility, only: [get_visibility: 1, visible_for_user?: 2]

+  # This is a naive way to do this, just spawning a process per activity
+  # to fetch the preview. However it should be fine considering
+  # pagination is restricted to 40 activities at a time
+  defp fetch_rich_media_for_activities(activities) do
+    Enum.each(activities, fn activity ->
+      spawn(fn ->
+        Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
+      end)
+    end)
+  end
+
  # TODO: Add cached version.
  defp get_replied_to_activities([]), do: %{}

@ -80,6 +91,11 @@ def render("index.json", opts) do

    # To do: check AdminAPIControllerTest on the reasons behind nil activities in the list
    activities = Enum.filter(opts.activities, & &1)
+
+    # Start fetching rich media before doing anything else, so that later calls to get the cards
+    # only block for timeout in the worst case, as opposed to
+    # length(activities_with_links) * timeout
+    fetch_rich_media_for_activities(activities)
    replied_to_activities = get_replied_to_activities(activities)

    parent_activities =
--- a/lib/pleroma/web/metadata/opengraph.ex
+++ b/lib/pleroma/web/metadata/opengraph.ex
@ -61,7 +61,7 @@ def build_tags(%{

  @impl Provider
  def build_tags(%{user: user}) do
-    with truncated_bio = Utils.scrub_html_and_truncate(user.bio || "") do
+    with truncated_bio = Utils.scrub_html_and_truncate(user.bio) do
      [
        {:meta,
         [
--- a/lib/pleroma/web/metadata/twitter_card.ex
+++ b/lib/pleroma/web/metadata/twitter_card.ex
@ -40,7 +40,7 @@ def build_tags(%{activity_id: id, object: object, user: user}) do

  @impl Provider
  def build_tags(%{user: user}) do
-    with truncated_bio = Utils.scrub_html_and_truncate(user.bio || "") do
+    with truncated_bio = Utils.scrub_html_and_truncate(user.bio) do
      [
        title_tag(user),
        {:meta, [property: "twitter:description", content: truncated_bio], []},
--- a/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
+++ b/lib/pleroma/web/pleroma_api/controllers/chat_controller.ex
@ -149,9 +149,7 @@ def index(%{assigns: %{user: %{id: user_id} = user}} = conn, _params) do
      from(c in Chat,
        where: c.user_id == ^user_id,
        where: c.recipient not in ^blocked_ap_ids,
-        order_by: [desc: c.updated_at],
-        inner_join: u in User,
-        on: u.ap_id == c.recipient
+        order_by: [desc: c.updated_at]
      )
      |> Repo.all()

--- a/lib/pleroma/web/rich_media/helpers.ex
+++ b/lib/pleroma/web/rich_media/helpers.ex
@ -96,6 +96,6 @@ def rich_media_get(url) do
        @rich_media_options
      end

-    Pleroma.HTTP.get(url, headers, options)
+    Pleroma.HTTP.get(url, headers, adapter: options)
  end
 end
--- a/lib/pleroma/web/rich_media/parser.ex
+++ b/lib/pleroma/web/rich_media/parser.ex
@ -3,6 +3,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only

 defmodule Pleroma.Web.RichMedia.Parser do
+  require Logger
+
  defp parsers do
    Pleroma.Config.get([:rich_media, :parsers])
  end
@ -10,17 +12,29 @@ defp parsers do
  def parse(nil), do: {:error, "No URL provided"}

  if Pleroma.Config.get(:env) == :test do
+    @spec parse(String.t()) :: {:ok, map()} | {:error, any()}
    def parse(url), do: parse_url(url)
  else
+    @spec parse(String.t()) :: {:ok, map()} | {:error, any()}
    def parse(url) do
-      try do
-        Cachex.fetch!(:rich_media_cache, url, fn _ ->
-          {:commit, parse_url(url)}
-        end)
-        |> set_ttl_based_on_image(url)
-      rescue
-        e ->
-          {:error, "Cachex error: #{inspect(e)}"}
+      with {:ok, data} <- get_cached_or_parse(url),
+           {:ok, _} <- set_ttl_based_on_image(data, url) do
+        {:ok, data}
+      else
+        error ->
+          Logger.error(fn -> "Rich media error: #{inspect(error)}" end)
+      end
+    end
+
+    defp get_cached_or_parse(url) do
+      case Cachex.fetch!(:rich_media_cache, url, fn _ -> {:commit, parse_url(url)} end) do
+        {:ok, _data} = res ->
+          res
+
+        {:error, _} = e ->
+          ttl = Pleroma.Config.get([:rich_media, :failure_backoff], 60_000)
+          Cachex.expire(:rich_media_cache, url, ttl)
+          e
      end
    end
  end
@ -47,19 +61,26 @@ def ttl(data, url) do
      config :pleroma, :rich_media,
        ttl_setters: [MyModule]
  """
-  def set_ttl_based_on_image({:ok, data}, url) do
-    with {:ok, nil} <- Cachex.ttl(:rich_media_cache, url),
-         ttl when is_number(ttl) <- get_ttl_from_image(data, url) do
-      Cachex.expire_at(:rich_media_cache, url, ttl * 1000)
-      {:ok, data}
-    else
+  @spec set_ttl_based_on_image(map(), String.t()) ::
+          {:ok, Integer.t() | :noop} | {:error, :no_key}
+  def set_ttl_based_on_image(data, url) do
+    case get_ttl_from_image(data, url) do
+      {:ok, ttl} when is_number(ttl) ->
+        ttl = ttl * 1000
+
+        case Cachex.expire_at(:rich_media_cache, url, ttl) do
+          {:ok, true} -> {:ok, ttl}
+          {:ok, false} -> {:error, :no_key}
+        end
+
      _ ->
-        {:ok, data}
+        {:ok, :noop}
    end
  end

  defp get_ttl_from_image(data, url) do
-    Pleroma.Config.get([:rich_media, :ttl_setters])
+    [:rich_media, :ttl_setters]
+    |> Pleroma.Config.get()
    |> Enum.reduce({:ok, nil}, fn
      module, {:ok, _ttl} ->
        module.ttl(data, url)
@ -70,23 +91,16 @@ defp get_ttl_from_image(data, url) do
  end

  defp parse_url(url) do
-    try do
-      {:ok, %Tesla.Env{body: html}} = Pleroma.Web.RichMedia.Helpers.rich_media_get(url)
-
+    with {:ok, %Tesla.Env{body: html}} <- Pleroma.Web.RichMedia.Helpers.rich_media_get(url),
+         {:ok, html} <- Floki.parse_document(html) do
      html
-      |> parse_html()
      |> maybe_parse()
      |> Map.put("url", url)
      |> clean_parsed_data()
      |> check_parsed_data()
-    rescue
-      e ->
-        {:error, "Parsing error: #{inspect(e)} #{inspect(__STACKTRACE__)}"}
    end
  end

-  defp parse_html(html), do: Floki.parse_document!(html)
-
  defp maybe_parse(html) do
    Enum.reduce_while(parsers(), %{}, fn parser, acc ->
      case parser.parse(html, acc) do
--- a/lib/pleroma/web/rich_media/parsers/ttl/aws_signed_url.ex
+++ b/lib/pleroma/web/rich_media/parsers/ttl/aws_signed_url.ex
@ -10,20 +10,15 @@ def ttl(data, _url) do
      |> parse_query_params()
      |> format_query_params()
      |> get_expiration_timestamp()
+    else
+      {:error, "Not aws signed url #{inspect(image)}"}
    end
  end

-  defp is_aws_signed_url(""), do: nil
-  defp is_aws_signed_url(nil), do: nil
-
-  defp is_aws_signed_url(image) when is_binary(image) do
+  defp is_aws_signed_url(image) when is_binary(image) and image != "" do
    %URI{host: host, query: query} = URI.parse(image)

-    if String.contains?(host, "amazonaws.com") and String.contains?(query, "X-Amz-Expires") do
-      image
-    else
-      nil
-    end
+    String.contains?(host, "amazonaws.com") and String.contains?(query, "X-Amz-Expires")
  end

  defp is_aws_signed_url(_), do: nil
@ -46,6 +41,6 @@ defp get_expiration_timestamp(params) when is_map(params) do
      |> Map.get("X-Amz-Date")
      |> Timex.parse("{ISO:Basic:Z}")

-    Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))
+    {:ok, Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))}
  end
 end
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@ -72,7 +72,7 @@ defp maybe_notify_admins(%User{} = account) do

  def password_reset(nickname_or_email) do
    with true <- is_binary(nickname_or_email),
-         %User{local: true, email: email} = user when is_binary(email) <-
+         %User{local: true, email: email, deactivated: false} = user when is_binary(email) <-
           User.get_by_nickname_or_email(nickname_or_email),
         {:ok, token_record} <- Pleroma.PasswordResetToken.create_token(user) do
      user
@ -81,17 +81,8 @@ def password_reset(nickname_or_email) do

      {:ok, :enqueued}
    else
-      false ->
-        {:error, "bad user identifier"}
-
-      %User{local: true, email: nil} ->
+      _ ->
        {:ok, :noop}
-
-      %User{local: false} ->
-        {:error, "remote user"}
-
-      nil ->
-        {:error, "unknown user"}
    end
  end

--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@ -136,12 +136,12 @@ def get_template_from_xml(body) do

  def find_lrdd_template(domain) do
    with {:ok, %{status: status, body: body}} when status in 200..299 <-
-           HTTP.get("http://#{domain}/.well-known/host-meta", []) do
+           HTTP.get("http://#{domain}/.well-known/host-meta") do
      get_template_from_xml(body)
    else
      _ ->
        with {:ok, %{body: body, status: status}} when status in 200..299 <-
-               HTTP.get("https://#{domain}/.well-known/host-meta", []) do
+               HTTP.get("https://#{domain}/.well-known/host-meta") do
          get_template_from_xml(body)
        else
          e -> {:error, "Can't find LRDD template: #{inspect(e)}"}
--- a/mix.lock
+++ b/mix.lock
@ -43,8 +43,8 @@
  "ex_machina": {:hex, :ex_machina, "2.4.0", "09a34c5d371bfb5f78399029194a8ff67aff340ebe8ba19040181af35315eabb", [:mix], [{:ecto, "~> 2.2 or ~> 3.0", [hex: :ecto, repo: "hexpm", optional: true]}, {:ecto_sql, "~> 3.0", [hex: :ecto_sql, repo: "hexpm", optional: true]}], "hexpm", "a20bc9ddc721b33ea913b93666c5d0bdca5cbad7a67540784ae277228832d72c"},
  "ex_syslogger": {:hex, :ex_syslogger, "1.5.2", "72b6aa2d47a236e999171f2e1ec18698740f40af0bd02c8c650bf5f1fd1bac79", [:mix], [{:poison, ">= 1.5.0", [hex: :poison, repo: "hexpm", optional: true]}, {:syslog, "~> 1.1.0", [hex: :syslog, repo: "hexpm", optional: false]}], "hexpm", "ab9fab4136dbc62651ec6f16fa4842f10cf02ab4433fa3d0976c01be99398399"},
  "excoveralls": {:hex, :excoveralls, "0.13.1", "b9f1697f7c9e0cfe15d1a1d737fb169c398803ffcbc57e672aa007e9fd42864c", [:mix], [{:hackney, "~> 1.16", [hex: :hackney, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "b4bb550e045def1b4d531a37fb766cbbe1307f7628bf8f0414168b3f52021cce"},
-  "fast_html": {:hex, :fast_html, "2.0.2", "1fabc408b2baa965cf6399a48796326f2721b21b397a3c667bb3bb88fb9559a4", [:make, :mix], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}], "hexpm", "f077e2c1597a6e2678e6cacc64f456a6c6024eb4240092c46d4212496dc59aba"},
-  "fast_sanitize": {:hex, :fast_sanitize, "0.2.1", "3302421a988992b6cae08e68f77069e167ff116444183f3302e3c36017a50558", [:mix], [{:fast_html, "~> 2.0", [hex: :fast_html, repo: "hexpm", optional: false]}, {:plug, "~> 1.8", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "bcd2c54e328128515edd1a8fb032fdea7e5581672ba161fc5962d21ecee92502"},
+  "fast_html": {:hex, :fast_html, "2.0.3", "27289dea6c3a22952191a2d4e07f546c0de8a351484782c2e797dbae06a5dc8a", [:make, :mix], [{:elixir_make, "~> 0.4", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}], "hexpm", "17d41fa8afe4e912ffe74e13b87ddb085382cd2b7393636d338495c9a8a7b518"},
+  "fast_sanitize": {:hex, :fast_sanitize, "0.2.2", "3cbbaebaea6043865dfb5b4ecb0f1af066ad410a51470e353714b10c42007b81", [:mix], [{:fast_html, "~> 2.0", [hex: :fast_html, repo: "hexpm", optional: false]}, {:plug, "~> 1.8", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "69f204db9250afa94a0d559d9110139850f57de2b081719fbafa1e9a89e94466"},
  "flake_id": {:hex, :flake_id, "0.1.0", "7716b086d2e405d09b647121a166498a0d93d1a623bead243e1f74216079ccb3", [:mix], [{:base62, "~> 1.2", [hex: :base62, repo: "hexpm", optional: false]}, {:ecto, ">= 2.0.0", [hex: :ecto, repo: "hexpm", optional: true]}], "hexpm", "31fc8090fde1acd267c07c36ea7365b8604055f897d3a53dd967658c691bd827"},
  "floki": {:hex, :floki, "0.27.0", "6b29a14283f1e2e8fad824bc930eaa9477c462022075df6bea8f0ad811c13599", [:mix], [{:html_entities, "~> 0.5.0", [hex: :html_entities, repo: "hexpm", optional: false]}], "hexpm", "583b8c13697c37179f1f82443bcc7ad2f76fbc0bf4c186606eebd658f7f2631b"},
  "gen_smtp": {:hex, :gen_smtp, "0.15.0", "9f51960c17769b26833b50df0b96123605a8024738b62db747fece14eb2fbfcc", [:rebar3], [], "hexpm", "29bd14a88030980849c7ed2447b8db6d6c9278a28b11a44cafe41b791205440f"},
--- a/priv/repo/migrations/20200831142509_chat_constraints.exs
+++ b/priv/repo/migrations/20200831142509_chat_constraints.exs
@ -0,0 +1,22 @@
+defmodule Pleroma.Repo.Migrations.ChatConstraints do
+  use Ecto.Migration
+
+  def change do
+    remove_orphans = """
+    delete from chats where not exists(select id from users where ap_id = chats.recipient);
+    """
+
+    execute(remove_orphans)
+
+    drop(constraint(:chats, "chats_user_id_fkey"))
+
+    alter table(:chats) do
+      modify(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
+
+      modify(
+        :recipient,
+        references(:users, column: :ap_id, type: :string, on_delete: :delete_all)
+      )
+    end
+  end
+end
--- a/priv/repo/migrations/20200901061256_ensure_bio_is_string.exs
+++ b/priv/repo/migrations/20200901061256_ensure_bio_is_string.exs
@ -0,0 +1,7 @@
+defmodule Pleroma.Repo.Migrations.EnsureBioIsString do
+  use Ecto.Migration
+
+  def change do
+    execute("update users set bio = '' where bio is null", "")
+  end
+end
--- a/priv/repo/migrations/20200901061637_bio_set_not_null.exs
+++ b/priv/repo/migrations/20200901061637_bio_set_not_null.exs
@ -0,0 +1,10 @@
+defmodule Pleroma.Repo.Migrations.BioSetNotNull do
+  use Ecto.Migration
+
+  def change do
+    execute(
+      "alter table users alter column bio set not null",
+      "alter table users alter column bio drop not null"
+    )
+  end
+end
--- a/test/chat_test.exs
+++ b/test/chat_test.exs
@ -26,6 +26,28 @@ test "it creates a chat for a user and recipient" do
      assert chat.id
    end

+    test "deleting the user deletes the chat" do
+      user = insert(:user)
+      other_user = insert(:user)
+
+      {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
+
+      Repo.delete(user)
+
+      refute Chat.get_by_id(chat.id)
+    end
+
+    test "deleting the recipient deletes the chat" do
+      user = insert(:user)
+      other_user = insert(:user)
+
+      {:ok, chat} = Chat.bump_or_create(user.id, other_user.ap_id)
+
+      Repo.delete(other_user)
+
+      refute Chat.get_by_id(chat.id)
+    end
+
    test "it returns and bumps a chat for a user and recipient if it already exists" do
      user = insert(:user)
      other_user = insert(:user)
--- a/test/support/http_request_mock.ex
+++ b/test/support/http_request_mock.ex
@ -1350,11 +1350,11 @@ def get("https://relay.mastodon.host/actor", _, _, _) do
    {:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/relay/relay.json")}}
  end

-  def get("http://localhost:4001/", _, "", Accept: "text/html") do
+  def get("http://localhost:4001/", _, "", [{"accept", "text/html"}]) do
    {:ok, %Tesla.Env{status: 200, body: File.read!("test/fixtures/tesla_mock/7369654.html")}}
  end

-  def get("https://osada.macgirvin.com/", _, "", Accept: "text/html") do
+  def get("https://osada.macgirvin.com/", _, "", [{"accept", "text/html"}]) do
    {:ok,
     %Tesla.Env{
       status: 200,
--- a/test/tasks/frontend_test.exs
+++ b/test/tasks/frontend_test.exs
@ -48,11 +48,18 @@ test "it also works given a file" do
      }
    })

+    folder = Path.join([@dir, "frontends", "pleroma", "fantasy"])
+    previously_existing = Path.join([folder, "temp"])
+    File.mkdir_p!(folder)
+    File.write!(previously_existing, "yey")
+    assert File.exists?(previously_existing)
+
    capture_io(fn ->
      Frontend.run(["install", "pleroma", "--file", "test/fixtures/tesla_mock/frontend.zip"])
    end)

-    assert File.exists?(Path.join([@dir, "frontends", "pleroma", "fantasy", "test.txt"]))
+    assert File.exists?(Path.join([folder, "test.txt"]))
+    refute File.exists?(previously_existing)
  end

  test "it downloads and unzips unknown frontends" do
--- a/test/user_search_test.exs
+++ b/test/user_search_test.exs
@ -109,22 +109,22 @@ test "finds users, boosting ranks of friends and followers" do
               Enum.map(User.search("doe", resolve: false, for_user: u1), & &1.id) == []
    end

-    test "finds followers of user by partial name" do
-      u1 = insert(:user)
-      u2 = insert(:user, %{name: "Jimi"})
-      follower_jimi = insert(:user, %{name: "Jimi Hendrix"})
-      follower_lizz = insert(:user, %{name: "Lizz Wright"})
-      friend = insert(:user, %{name: "Jimi"})
+    test "finds followings of user by partial name" do
+      lizz = insert(:user, %{name: "Lizz"})
+      jimi = insert(:user, %{name: "Jimi"})
+      following_lizz = insert(:user, %{name: "Jimi Hendrix"})
+      following_jimi = insert(:user, %{name: "Lizz Wright"})
+      follower_lizz = insert(:user, %{name: "Jimi"})

-      {:ok, follower_jimi} = User.follow(follower_jimi, u1)
-      {:ok, _follower_lizz} = User.follow(follower_lizz, u2)
-      {:ok, u1} = User.follow(u1, friend)
+      {:ok, lizz} = User.follow(lizz, following_lizz)
+      {:ok, _jimi} = User.follow(jimi, following_jimi)
+      {:ok, _follower_lizz} = User.follow(follower_lizz, lizz)

-      assert Enum.map(User.search("jimi", following: true, for_user: u1), & &1.id) == [
-               follower_jimi.id
+      assert Enum.map(User.search("jimi", following: true, for_user: lizz), & &1.id) == [
+               following_lizz.id
             ]

-      assert User.search("lizz", following: true, for_user: u1) == []
+      assert User.search("lizz", following: true, for_user: lizz) == []
    end

    test "find local and remote users for authenticated users" do
--- a/test/user_test.exs
+++ b/test/user_test.exs
@ -1466,7 +1466,7 @@ test "delete/1 purges a user when they wouldn't be fully deleted" do
    user = User.get_by_id(user.id)

    assert %User{
-             bio: nil,
+             bio: "",
             raw_bio: nil,
             email: nil,
             name: nil,
--- a/test/web/activity_pub/object_validators/chat_validation_test.exs
+++ b/test/web/activity_pub/object_validators/chat_validation_test.exs
@ -69,6 +69,7 @@ test "validates for a basic object we build", %{valid_chat_message: valid_chat_m
      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])

      assert Map.put(valid_chat_message, "attachment", nil) == object
+      assert match?(%{"firefox" => _}, object["emoji"])
    end

    test "validates for a basic object with an attachment", %{
--- a/test/web/activity_pub/transmogrifier/question_handling_test.exs
+++ b/test/web/activity_pub/transmogrifier/question_handling_test.exs
@ -106,6 +106,57 @@ test "Mastodon Question activity with HTML tags in plaintext" do
    assert Enum.sort(object.data["oneOf"]) == Enum.sort(options)
  end

+  test "Mastodon Question activity with custom emojis" do
+    options = [
+      %{
+        "type" => "Note",
+        "name" => ":blobcat:",
+        "replies" => %{"totalItems" => 0, "type" => "Collection"}
+      },
+      %{
+        "type" => "Note",
+        "name" => ":blobfox:",
+        "replies" => %{"totalItems" => 0, "type" => "Collection"}
+      }
+    ]
+
+    tag = [
+      %{
+        "icon" => %{
+          "type" => "Image",
+          "url" => "https://blob.cat/emoji/custom/blobcats/blobcat.png"
+        },
+        "id" => "https://blob.cat/emoji/custom/blobcats/blobcat.png",
+        "name" => ":blobcat:",
+        "type" => "Emoji",
+        "updated" => "1970-01-01T00:00:00Z"
+      },
+      %{
+        "icon" => %{"type" => "Image", "url" => "https://blob.cat/emoji/blobfox/blobfox.png"},
+        "id" => "https://blob.cat/emoji/blobfox/blobfox.png",
+        "name" => ":blobfox:",
+        "type" => "Emoji",
+        "updated" => "1970-01-01T00:00:00Z"
+      }
+    ]
+
+    data =
+      File.read!("test/fixtures/mastodon-question-activity.json")
+      |> Poison.decode!()
+      |> Kernel.put_in(["object", "oneOf"], options)
+      |> Kernel.put_in(["object", "tag"], tag)
+
+    {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
+    object = Object.normalize(activity, false)
+
+    assert object.data["oneOf"] == options
+
+    assert object.data["emoji"] == %{
+             "blobcat" => "https://blob.cat/emoji/custom/blobcats/blobcat.png",
+             "blobfox" => "https://blob.cat/emoji/blobfox/blobfox.png"
+           }
+  end
+
  test "returns an error if received a second time" do
    data = File.read!("test/fixtures/mastodon-question-activity.json") |> Poison.decode!()

--- a/test/web/admin_api/controllers/admin_api_controller_test.exs
+++ b/test/web/admin_api/controllers/admin_api_controller_test.exs
@ -203,7 +203,7 @@ test "single user", %{admin: admin, conn: conn} do
        assert user.note_count == 0
        assert user.follower_count == 0
        assert user.following_count == 0
-        assert user.bio == nil
+        assert user.bio == ""
        assert user.name == nil

        assert called(Pleroma.Web.Federator.publish(:_))
--- a/test/web/common_api/common_api_test.exs
+++ b/test/web/common_api/common_api_test.exs
@ -9,6 +9,7 @@ defmodule Pleroma.Web.CommonAPITest do
  alias Pleroma.Conversation.Participation
  alias Pleroma.Notification
  alias Pleroma.Object
+  alias Pleroma.Repo
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.ActivityPub.Transmogrifier
@ -18,6 +19,7 @@ defmodule Pleroma.Web.CommonAPITest do

  import Pleroma.Factory
  import Mock
+  import Ecto.Query, only: [from: 2]

  require Pleroma.Constants

@ -808,6 +810,69 @@ test "should unpin when deleting a status", %{user: user, activity: activity} do
      [user: user, activity: activity]
    end

+    test "marks notifications as read after mute" do
+      author = insert(:user)
+      activity = insert(:note_activity, user: author)
+
+      friend1 = insert(:user)
+      friend2 = insert(:user)
+
+      {:ok, reply_activity} =
+        CommonAPI.post(
+          friend2,
+          %{
+            status: "@#{author.nickname} @#{friend1.nickname} test reply",
+            in_reply_to_status_id: activity.id
+          }
+        )
+
+      {:ok, favorite_activity} = CommonAPI.favorite(friend2, activity.id)
+      {:ok, repeat_activity} = CommonAPI.repeat(activity.id, friend1)
+
+      assert Repo.aggregate(
+               from(n in Notification, where: n.seen == false and n.user_id == ^friend1.id),
+               :count
+             ) == 1
+
+      unread_notifications =
+        Repo.all(from(n in Notification, where: n.seen == false, where: n.user_id == ^author.id))
+
+      assert Enum.any?(unread_notifications, fn n ->
+               n.type == "favourite" && n.activity_id == favorite_activity.id
+             end)
+
+      assert Enum.any?(unread_notifications, fn n ->
+               n.type == "reblog" && n.activity_id == repeat_activity.id
+             end)
+
+      assert Enum.any?(unread_notifications, fn n ->
+               n.type == "mention" && n.activity_id == reply_activity.id
+             end)
+
+      {:ok, _} = CommonAPI.add_mute(author, activity)
+      assert CommonAPI.thread_muted?(author, activity)
+
+      assert Repo.aggregate(
+               from(n in Notification, where: n.seen == false and n.user_id == ^friend1.id),
+               :count
+             ) == 1
+
+      read_notifications =
+        Repo.all(from(n in Notification, where: n.seen == true, where: n.user_id == ^author.id))
+
+      assert Enum.any?(read_notifications, fn n ->
+               n.type == "favourite" && n.activity_id == favorite_activity.id
+             end)
+
+      assert Enum.any?(read_notifications, fn n ->
+               n.type == "reblog" && n.activity_id == repeat_activity.id
+             end)
+
+      assert Enum.any?(read_notifications, fn n ->
+               n.type == "mention" && n.activity_id == reply_activity.id
+             end)
+    end
+
    test "add mute", %{user: user, activity: activity} do
      {:ok, _} = CommonAPI.add_mute(user, activity)
      assert CommonAPI.thread_muted?(user, activity)
--- a/test/web/mastodon_api/controllers/auth_controller_test.exs
+++ b/test/web/mastodon_api/controllers/auth_controller_test.exs
@ -122,17 +122,27 @@ test "it doesn't fail when a user has no email", %{conn: conn} do
      {:ok, user: user}
    end

-    test "it returns 404 when user is not found", %{conn: conn, user: user} do
+    test "it returns 204 when user is not found", %{conn: conn, user: user} do
      conn = post(conn, "/auth/password?email=nonexisting_#{user.email}")
-      assert conn.status == 404
-      assert conn.resp_body == ""
+
+      assert conn
+             |> json_response(:no_content)
    end

-    test "it returns 400 when user is not local", %{conn: conn, user: user} do
+    test "it returns 204 when user is not local", %{conn: conn, user: user} do
      {:ok, user} = Repo.update(Ecto.Changeset.change(user, local: false))
      conn = post(conn, "/auth/password?email=#{user.email}")
-      assert conn.status == 400
-      assert conn.resp_body == ""
+
+      assert conn
+             |> json_response(:no_content)
+    end
+
+    test "it returns 204 when user is deactivated", %{conn: conn, user: user} do
+      {:ok, user} = Repo.update(Ecto.Changeset.change(user, deactivated: true, local: true))
+      conn = post(conn, "/auth/password?email=#{user.email}")
+
+      assert conn
+             |> json_response(:no_content)
    end
  end

--- a/test/web/mastodon_api/controllers/list_controller_test.exs
+++ b/test/web/mastodon_api/controllers/list_controller_test.exs
@ -67,7 +67,7 @@ test "adding users to a list" do
    assert following == [other_user.follower_address]
  end

-  test "removing users from a list" do
+  test "removing users from a list, body params" do
    %{user: user, conn: conn} = oauth_access(["write:lists"])
    other_user = insert(:user)
    third_user = insert(:user)
@ -85,6 +85,24 @@ test "removing users from a list" do
    assert following == [third_user.follower_address]
  end

+  test "removing users from a list, query params" do
+    %{user: user, conn: conn} = oauth_access(["write:lists"])
+    other_user = insert(:user)
+    third_user = insert(:user)
+    {:ok, list} = Pleroma.List.create("name", user)
+    {:ok, list} = Pleroma.List.follow(list, other_user)
+    {:ok, list} = Pleroma.List.follow(list, third_user)
+
+    assert %{} ==
+             conn
+             |> put_req_header("content-type", "application/json")
+             |> delete("/api/v1/lists/#{list.id}/accounts?account_ids[]=#{other_user.id}")
+             |> json_response_and_validate_schema(:ok)
+
+    %Pleroma.List{following: following} = Pleroma.List.get(list.id, user)
+    assert following == [third_user.follower_address]
+  end
+
  test "listing users in a list" do
    %{user: user, conn: conn} = oauth_access(["read:lists"])
    other_user = insert(:user)
--- a/test/web/rich_media/aws_signed_url_test.exs
+++ b/test/web/rich_media/aws_signed_url_test.exs
@ -21,7 +21,7 @@ test "s3 signed url is parsed correct for expiration time" do
    expire_time =
      Timex.parse!(timestamp, "{ISO:Basic:Z}") |> Timex.to_unix() |> Kernel.+(valid_till)

-    assert expire_time == Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl.ttl(metadata, url)
+    assert {:ok, expire_time} == Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl.ttl(metadata, url)
  end

  test "s3 signed url is parsed and correct ttl is set for rich media" do
@ -55,7 +55,7 @@ test "s3 signed url is parsed and correct ttl is set for rich media" do

    Cachex.put(:rich_media_cache, url, metadata)

-    Pleroma.Web.RichMedia.Parser.set_ttl_based_on_image({:ok, metadata}, url)
+    Pleroma.Web.RichMedia.Parser.set_ttl_based_on_image(metadata, url)

    {:ok, cache_ttl} = Cachex.ttl(:rich_media_cache, url)

--- a/test/web/rich_media/parser_test.exs
+++ b/test/web/rich_media/parser_test.exs
@ -5,6 +5,8 @@
 defmodule Pleroma.Web.RichMedia.ParserTest do
  use ExUnit.Case, async: true

+  alias Pleroma.Web.RichMedia.Parser
+
  setup do
    Tesla.Mock.mock(fn
      %{
@ -48,23 +50,29 @@ defmodule Pleroma.Web.RichMedia.ParserTest do

      %{method: :get, url: "http://example.com/empty"} ->
        %Tesla.Env{status: 200, body: "hello"}
+
+      %{method: :get, url: "http://example.com/malformed"} ->
+        %Tesla.Env{status: 200, body: File.read!("test/fixtures/rich_media/malformed-data.html")}
+
+      %{method: :get, url: "http://example.com/error"} ->
+        {:error, :overload}
    end)

    :ok
  end

  test "returns error when no metadata present" do
-    assert {:error, _} = Pleroma.Web.RichMedia.Parser.parse("http://example.com/empty")
+    assert {:error, _} = Parser.parse("http://example.com/empty")
  end

  test "doesn't just add a title" do
-    assert Pleroma.Web.RichMedia.Parser.parse("http://example.com/non-ogp") ==
+    assert Parser.parse("http://example.com/non-ogp") ==
             {:error,
              "Found metadata was invalid or incomplete: %{\"url\" => \"http://example.com/non-ogp\"}"}
  end

  test "parses ogp" do
-    assert Pleroma.Web.RichMedia.Parser.parse("http://example.com/ogp") ==
+    assert Parser.parse("http://example.com/ogp") ==
             {:ok,
              %{
                "image" => "http://ia.media-imdb.com/images/rock.jpg",
@ -77,7 +85,7 @@ test "parses ogp" do
  end

  test "falls back to <title> when ogp:title is missing" do
-    assert Pleroma.Web.RichMedia.Parser.parse("http://example.com/ogp-missing-title") ==
+    assert Parser.parse("http://example.com/ogp-missing-title") ==
             {:ok,
              %{
                "image" => "http://ia.media-imdb.com/images/rock.jpg",
@ -90,7 +98,7 @@ test "falls back to <title> when ogp:title is missing" do
  end

  test "parses twitter card" do
-    assert Pleroma.Web.RichMedia.Parser.parse("http://example.com/twitter-card") ==
+    assert Parser.parse("http://example.com/twitter-card") ==
             {:ok,
              %{
                "card" => "summary",
@ -103,7 +111,7 @@ test "parses twitter card" do
  end

  test "parses OEmbed" do
-    assert Pleroma.Web.RichMedia.Parser.parse("http://example.com/oembed") ==
+    assert Parser.parse("http://example.com/oembed") ==
             {:ok,
              %{
                "author_name" => "‮‭‬bees‬",
@ -132,6 +140,10 @@ test "parses OEmbed" do
  end

  test "rejects invalid OGP data" do
-    assert {:error, _} = Pleroma.Web.RichMedia.Parser.parse("http://example.com/malformed")
+    assert {:error, _} = Parser.parse("http://example.com/malformed")
+  end
+
+  test "returns error if getting page was not successful" do
+    assert {:error, :overload} = Parser.parse("http://example.com/error")
  end
 end
--- a/test/web/twitter_api/util_controller_test.exs
+++ b/test/web/twitter_api/util_controller_test.exs
@ -594,7 +594,7 @@ test "with proper permissions and valid password", %{conn: conn, user: user} do
      user = User.get_by_id(user.id)
      assert user.deactivated == true
      assert user.name == nil
-      assert user.bio == nil
+      assert user.bio == ""
      assert user.password_hash == nil
    end
  end