Merge remote-tracking branch 'remotes/upstream/develop' into twitter_oauth

90 files changed, 537 insertions, 366 deletions

diff --git a/lib/mix/tasks/pleroma/relay.ex b/lib/mix/tasks/pleroma/relay.ex
index cbe23f82e..fbec473c5 100644
--- a/lib/mix/tasks/pleroma/relay.ex
+++ b/lib/mix/tasks/pleroma/relay.ex
@@ -4,8 +4,8 @@
 
 defmodule Mix.Tasks.Pleroma.Relay do
   use Mix.Task
-  alias Pleroma.Web.ActivityPub.Relay
   alias Mix.Tasks.Pleroma.Common
+  alias Pleroma.Web.ActivityPub.Relay
 
   @shortdoc "Manages remote relays"
   @moduledoc """
diff --git a/lib/mix/tasks/pleroma/robotstxt.ex b/lib/mix/tasks/pleroma/robotstxt.ex
new file mode 100644
index 000000000..2128e1cd6
--- /dev/null
+++ b/lib/mix/tasks/pleroma/robotstxt.ex
@@ -0,0 +1,32 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Tasks.Pleroma.RobotsTxt do
+  use Mix.Task
+
+  @shortdoc "Generate robots.txt"
+  @moduledoc """
+  Generates robots.txt
+
+  ## Overwrite robots.txt to disallow all
+
+      mix pleroma.robots_txt disallow_all
+
+  This will write a robots.txt that will hide all paths on your instance
+  from search engines and other robots that obey robots.txt
+
+  """
+  def run(["disallow_all"]) do
+    static_dir = Pleroma.Config.get([:instance, :static_dir], "instance/static/")
+
+    if !File.exists?(static_dir) do
+      File.mkdir_p!(static_dir)
+    end
+
+    robots_txt_path = Path.join(static_dir, "robots.txt")
+    robots_txt_content = "User-Agent: *\nDisallow: /\n"
+
+    File.write!(robots_txt_path, robots_txt_content, [:write])
+  end
+end
diff --git a/lib/mix/tasks/pleroma/uploads.ex b/lib/mix/tasks/pleroma/uploads.ex
index a01e61627..106fcf443 100644
--- a/lib/mix/tasks/pleroma/uploads.ex
+++ b/lib/mix/tasks/pleroma/uploads.ex
@@ -4,9 +4,9 @@
 
 defmodule Mix.Tasks.Pleroma.Uploads do
   use Mix.Task
+  alias Mix.Tasks.Pleroma.Common
   alias Pleroma.Upload
   alias Pleroma.Uploaders.Local
-  alias Mix.Tasks.Pleroma.Common
   require Logger
 
   @log_every 50
@@ -20,7 +20,6 @@ defmodule Mix.Tasks.Pleroma.Uploads do
    Options:
    - `--delete` - delete local uploads after migrating them to the target uploader
 
-
    A list of available uploaders can be seen in config.exs
   """
   def run(["migrate_local", target_uploader | args]) do
diff --git a/lib/mix/tasks/pleroma/user.ex b/lib/mix/tasks/pleroma/user.ex
index 037e44716..f6cca0d06 100644
--- a/lib/mix/tasks/pleroma/user.ex
+++ b/lib/mix/tasks/pleroma/user.ex
@@ -5,9 +5,9 @@
 defmodule Mix.Tasks.Pleroma.User do
   use Mix.Task
   import Ecto.Changeset
+  alias Mix.Tasks.Pleroma.Common
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Mix.Tasks.Pleroma.Common
 
   @shortdoc "Manages Pleroma users"
   @moduledoc """
diff --git a/lib/pleroma/PasswordResetToken.ex b/lib/pleroma/PasswordResetToken.ex
index 750ddd3c0..772c239a1 100644
--- a/lib/pleroma/PasswordResetToken.ex
+++ b/lib/pleroma/PasswordResetToken.ex
@@ -7,9 +7,9 @@ defmodule Pleroma.PasswordResetToken do
 
   import Ecto.Changeset
 
-  alias Pleroma.User
-  alias Pleroma.Repo
   alias Pleroma.PasswordResetToken
+  alias Pleroma.Repo
+  alias Pleroma.User
 
   schema "password_reset_tokens" do
     belongs_to(:user, User, type: Pleroma.FlakeId)
diff --git a/lib/pleroma/activity.ex b/lib/pleroma/activity.ex
index 18d5b70de..79dc26b01 100644
--- a/lib/pleroma/activity.ex
+++ b/lib/pleroma/activity.ex
@@ -5,9 +5,9 @@
 defmodule Pleroma.Activity do
   use Ecto.Schema
 
-  alias Pleroma.Repo
   alias Pleroma.Activity
   alias Pleroma.Notification
+  alias Pleroma.Repo
 
   import Ecto.Query
 
diff --git a/lib/pleroma/application.ex b/lib/pleroma/application.ex
index d2523c045..cc81e1805 100644
--- a/lib/pleroma/application.ex
+++ b/lib/pleroma/application.ex
@@ -11,10 +11,10 @@ defmodule Pleroma.Application do
   @repository Mix.Project.config()[:source_url]
   def name, do: @name
   def version, do: @version
-  def named_version(), do: @name <> " " <> @version
+  def named_version, do: @name <> " " <> @version
   def repository, do: @repository
 
-  def user_agent() do
+  def user_agent do
     info = "#{Pleroma.Web.base_url()} <#{Pleroma.Config.get([:instance, :email], "")}>"
     named_version() <> "; " <> info
   end
@@ -48,7 +48,7 @@ defmodule Pleroma.Application do
           [
             :user_cache,
             [
-              default_ttl: 25000,
+              default_ttl: 25_000,
               ttl_interval: 1000,
               limit: 2500
             ]
@@ -60,7 +60,7 @@ defmodule Pleroma.Application do
           [
             :object_cache,
             [
-              default_ttl: 25000,
+              default_ttl: 25_000,
               ttl_interval: 1000,
               limit: 2500
             ]
@@ -127,7 +127,7 @@ defmodule Pleroma.Application do
     Supervisor.start_link(children, opts)
   end
 
-  def enabled_hackney_pools() do
+  def enabled_hackney_pools do
     [:media] ++
       if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do
         [:federation]
@@ -142,14 +142,14 @@ defmodule Pleroma.Application do
   end
 
   if Mix.env() == :test do
-    defp streamer_child(), do: []
-    defp chat_child(), do: []
+    defp streamer_child, do: []
+    defp chat_child, do: []
   else
-    defp streamer_child() do
+    defp streamer_child do
       [worker(Pleroma.Web.Streamer, [])]
     end
 
-    defp chat_child() do
+    defp chat_child do
       if Pleroma.Config.get([:chat, :enabled]) do
         [worker(Pleroma.Web.ChatChannel.ChatChannelState, [])]
       else
@@ -158,7 +158,7 @@ defmodule Pleroma.Application do
     end
   end
 
-  defp hackney_pool_children() do
+  defp hackney_pool_children do
     for pool <- enabled_hackney_pools() do
       options = Pleroma.Config.get([:hackney_pools, pool])
       :hackney_pool.child_spec(pool, options)
diff --git a/lib/pleroma/captcha/captcha.ex b/lib/pleroma/captcha/captcha.ex
index aa41acd1a..f105cbb25 100644
--- a/lib/pleroma/captcha/captcha.ex
+++ b/lib/pleroma/captcha/captcha.ex
@@ -10,7 +10,7 @@ defmodule Pleroma.Captcha do
   use GenServer
 
   @doc false
-  def start_link() do
+  def start_link do
     GenServer.start_link(__MODULE__, [], name: __MODULE__)
   end
 
@@ -22,7 +22,7 @@ defmodule Pleroma.Captcha do
   @doc """
   Ask the configured captcha service for a new captcha
   """
-  def new() do
+  def new do
     GenServer.call(__MODULE__, :new)
   end
 
@@ -73,7 +73,7 @@ defmodule Pleroma.Captcha do
     secret = KeyGenerator.generate(secret_key_base, token <> "_encrypt")
     sign_secret = KeyGenerator.generate(secret_key_base, token <> "_sign")
 
-    # If the time found is less than (current_time - seconds_valid), then the time has already passed.
+    # If the time found is less than (current_time-seconds_valid) then the time has already passed
     # Later we check that the time found is more than the presumed invalidatation time, that means
     # that the data is still valid and the captcha can be checked
     seconds_valid = Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid])
diff --git a/lib/pleroma/captcha/kocaptcha.ex b/lib/pleroma/captcha/kocaptcha.ex
index 34a611492..61688e778 100644
--- a/lib/pleroma/captcha/kocaptcha.ex
+++ b/lib/pleroma/captcha/kocaptcha.ex
@@ -7,7 +7,7 @@ defmodule Pleroma.Captcha.Kocaptcha do
   @behaviour Service
 
   @impl Service
-  def new() do
+  def new do
     endpoint = Pleroma.Config.get!([__MODULE__, :endpoint])
 
     case Tesla.get(endpoint <> "/new") do
diff --git a/lib/pleroma/clippy.ex b/lib/pleroma/clippy.ex
index 4e9bdbe19..bd20952a6 100644
--- a/lib/pleroma/clippy.ex
+++ b/lib/pleroma/clippy.ex
@@ -7,13 +7,13 @@ defmodule Pleroma.Clippy do
   # No software is complete until they have a Clippy implementation.
   # A ballmer peak _may_ be required to change this module.
 
-  def tip() do
+  def tip do
     tips()
     |> Enum.random()
     |> puts()
   end
 
-  def tips() do
+  def tips do
     host = Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
 
     [
@@ -92,8 +92,8 @@ defmodule Pleroma.Clippy do
 
     # surrond one/five line clippy with blank lines around to not fuck up the layout
     #
-    # yes this fix sucks but it's good enough, have you ever seen a release of windows wihtout some butched
-    # features anyway?
+    # yes this fix sucks but it's good enough, have you ever seen a release of windows
+    # without some butched features anyway?
     lines =
       if length(lines) == 1 or length(lines) == 5 do
         [""] ++ lines ++ [""]
diff --git a/lib/pleroma/config/deprecation_warnings.ex b/lib/pleroma/config/deprecation_warnings.ex
index 7451fd0a7..0345ac19c 100644
--- a/lib/pleroma/config/deprecation_warnings.ex
+++ b/lib/pleroma/config/deprecation_warnings.ex
@@ -5,7 +5,7 @@
 defmodule Pleroma.Config.DeprecationWarnings do
   require Logger
 
-  def check_frontend_config_mechanism() do
+  def check_frontend_config_mechanism do
     if Pleroma.Config.get(:fe) do
       Logger.warn("""
       !!!DEPRECATION WARNING!!!
diff --git a/lib/pleroma/emoji.ex b/lib/pleroma/emoji.ex
index bb3190e08..f3f08cd9d 100644
--- a/lib/pleroma/emoji.ex
+++ b/lib/pleroma/emoji.ex
@@ -17,13 +17,13 @@ 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
 
   @doc "Reloads the emojis from disk."
   @spec reload() :: :ok
-  def reload() do
+  def reload do
     GenServer.call(__MODULE__, :reload)
   end
 
@@ -38,7 +38,7 @@ defmodule Pleroma.Emoji do
 
   @doc "Returns all the emojos!!"
   @spec get_all() :: [{String.t(), String.t()}, ...]
-  def get_all() do
+  def get_all do
     :ets.tab2list(@ets)
   end
 
@@ -72,7 +72,7 @@ defmodule Pleroma.Emoji do
     {:ok, state}
   end
 
-  defp load() do
+  defp load do
     emojis =
       (load_finmoji(Keyword.get(Application.get_env(:pleroma, :instance), :finmoji_enabled)) ++
          load_from_file("config/emoji.txt") ++
diff --git a/lib/pleroma/filter.ex b/lib/pleroma/filter.ex
index bdc34698c..79efc29f0 100644
--- a/lib/pleroma/filter.ex
+++ b/lib/pleroma/filter.ex
@@ -8,8 +8,8 @@ defmodule Pleroma.Filter do
   import Ecto.Changeset
   import Ecto.Query
 
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
 
   schema "filters" do
     belongs_to(:user, User, type: Pleroma.FlakeId)
diff --git a/lib/pleroma/flake_id.ex b/lib/pleroma/flake_id.ex
index 9f098ce33..4259d5718 100644
--- a/lib/pleroma/flake_id.ex
+++ b/lib/pleroma/flake_id.ex
@@ -85,7 +85,7 @@ defmodule Pleroma.FlakeId do
     {:ok, FlakeId.from_string(value)}
   end
 
-  def autogenerate(), do: get()
+  def autogenerate, do: get()
 
   # -- GenServer API
   def start_link do
@@ -165,7 +165,7 @@ defmodule Pleroma.FlakeId do
     1_000_000_000 * mega_seconds + seconds * 1000 + :erlang.trunc(micro_seconds / 1000)
   end
 
-  defp worker_id() do
+  defp worker_id do
     <<worker::integer-size(48)>> = :crypto.strong_rand_bytes(6)
     worker
   end
diff --git a/lib/pleroma/formatter.ex b/lib/pleroma/formatter.ex
index 048c032ed..1e4ede3f2 100644
--- a/lib/pleroma/formatter.ex
+++ b/lib/pleroma/formatter.ex
@@ -10,6 +10,7 @@ defmodule Pleroma.Formatter do
 
   @markdown_characters_regex ~r/(`|\*|_|{|}|[|]|\(|\)|#|\+|-|\.|!)/
   @link_regex ~r{((?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~%:/?#[\]@!\$&'\(\)\*\+,;=.]+)|[0-9a-z+\-\.]+:[0-9a-z$-_.+!*'(),]+}ui
+  # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
 
   @auto_linker_config hashtag: true,
                       hashtag_handler: &Pleroma.Formatter.hashtag_handler/4,
diff --git a/lib/pleroma/gopher/server.ex b/lib/pleroma/gopher/server.ex
index ba9614029..6baacc566 100644
--- 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)
@@ -36,12 +36,12 @@ defmodule Pleroma.Gopher.Server do
 end
 
 defmodule Pleroma.Gopher.Server.ProtocolHandler do
-  alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Activity
   alias Pleroma.HTML
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Visibility
 
   def start_link(ref, socket, transport, opts) do
     pid = spawn_link(__MODULE__, :init, [ref, socket, transport, opts])
diff --git a/lib/pleroma/html.ex b/lib/pleroma/html.ex
index 4dc6998b1..05253157e 100644
--- a/lib/pleroma/html.ex
+++ b/lib/pleroma/html.ex
@@ -9,7 +9,7 @@ defmodule Pleroma.HTML do
   defp get_scrubbers(scrubbers) when is_list(scrubbers), do: scrubbers
   defp get_scrubbers(_), do: [Pleroma.HTML.Scrubber.Default]
 
-  def get_scrubbers() do
+  def get_scrubbers do
     Pleroma.Config.get([:markup, :scrub_policy])
     |> get_scrubbers
   end
diff --git a/lib/pleroma/instances/instance.ex b/lib/pleroma/instances/instance.ex
index 48bc939dd..e92006151 100644
--- a/lib/pleroma/instances/instance.ex
+++ b/lib/pleroma/instances/instance.ex
@@ -2,8 +2,8 @@ defmodule Pleroma.Instances.Instance do
   @moduledoc "Instance."
 
   alias Pleroma.Instances
-  alias Pleroma.Repo
   alias Pleroma.Instances.Instance
+  alias Pleroma.Repo
 
   use Ecto.Schema
 
diff --git a/lib/pleroma/notification.ex b/lib/pleroma/notification.ex
index c88512567..fe8181d8b 100644
--- a/lib/pleroma/notification.ex
+++ b/lib/pleroma/notification.ex
@@ -5,12 +5,12 @@
 defmodule Pleroma.Notification do
   use Ecto.Schema
 
-  alias Pleroma.User
   alias Pleroma.Activity
   alias Pleroma.Notification
   alias Pleroma.Repo
-  alias Pleroma.Web.CommonAPI.Utils
+  alias Pleroma.User
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.CommonAPI.Utils
 
   import Ecto.Query
 
diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 7510a09bb..58e46ef1d 100644
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -5,11 +5,11 @@
 defmodule Pleroma.Object do
   use Ecto.Schema
 
-  alias Pleroma.Repo
-  alias Pleroma.Object
-  alias Pleroma.User
   alias Pleroma.Activity
+  alias Pleroma.Object
   alias Pleroma.ObjectTombstone
+  alias Pleroma.Repo
+  alias Pleroma.User
 
   import Ecto.Query
   import Ecto.Changeset
diff --git a/lib/pleroma/plugs/http_signature.ex b/lib/pleroma/plugs/http_signature.ex
index 51bec910e..21c195713 100644
--- a/lib/pleroma/plugs/http_signature.ex
+++ b/lib/pleroma/plugs/http_signature.ex
@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Plugs.HTTPSignaturePlug do
-  alias Pleroma.Web.HTTPSignatures
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.HTTPSignatures
   import Plug.Conn
   require Logger
 
diff --git a/lib/pleroma/plugs/instance_static.ex b/lib/pleroma/plugs/instance_static.ex
index 41125921a..a64f1ea80 100644
--- a/lib/pleroma/plugs/instance_static.ex
+++ b/lib/pleroma/plugs/instance_static.ex
@@ -21,7 +21,8 @@ defmodule Pleroma.Plugs.InstanceStatic do
     end
   end
 
-  @only ~w(index.html static emoji packs sounds images instance favicon.png sw.js sw-pleroma.js)
+  @only ~w(index.html robots.txt static emoji packs sounds images instance favicon.png sw.js
+  sw-pleroma.js)
 
   def init(opts) do
     opts
diff --git a/lib/pleroma/plugs/oauth_plug.ex b/lib/pleroma/plugs/oauth_plug.ex
index 22f0406f4..5888d596a 100644
--- a/lib/pleroma/plugs/oauth_plug.ex
+++ b/lib/pleroma/plugs/oauth_plug.ex
@@ -6,8 +6,8 @@ defmodule Pleroma.Plugs.OAuthPlug do
   import Plug.Conn
   import Ecto.Query
 
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.OAuth.Token
 
   @realm_reg Regex.compile!("Bearer\:?\s+(.*)$", "i")
@@ -38,6 +38,7 @@ defmodule Pleroma.Plugs.OAuthPlug do
         preload: [user: user]
       )
 
+    # credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
     with %Token{user: %{info: %{deactivated: false} = _} = user} = token_record <- Repo.one(query) do
       {:ok, user, token_record}
     end
diff --git a/lib/pleroma/plugs/uploaded_media.ex b/lib/pleroma/plugs/uploaded_media.ex
index 13aa8641a..fd77b8d8f 100644
--- a/lib/pleroma/plugs/uploaded_media.ex
+++ b/lib/pleroma/plugs/uploaded_media.ex
@@ -24,6 +24,18 @@ defmodule Pleroma.Plugs.UploadedMedia do
   end
 
   def call(%{request_path: <<"/", @path, "/", file::binary>>} = conn, opts) do
+    conn =
+      case fetch_query_params(conn) do
+        %{query_params: %{"name" => name}} = conn ->
+          name = String.replace(name, "\"", "\\\"")
+
+          conn
+          |> put_resp_header("content-disposition", "filename=\"#{name}\"")
+
+        conn ->
+          conn
+      end
+
     config = Pleroma.Config.get([Pleroma.Upload])
 
     with uploader <- Keyword.fetch!(config, :uploader),
diff --git a/lib/pleroma/plugs/user_fetcher_plug.ex b/lib/pleroma/plugs/user_fetcher_plug.ex
index 7ed4602bb..5a77f6833 100644
--- a/lib/pleroma/plugs/user_fetcher_plug.ex
+++ b/lib/pleroma/plugs/user_fetcher_plug.ex
@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Plugs.UserFetcherPlug do
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
 
   import Plug.Conn
 
diff --git a/lib/pleroma/reverse_proxy.ex b/lib/pleroma/reverse_proxy.ex
index a25b5ea4e..6298b92f4 100644
--- a/lib/pleroma/reverse_proxy.ex
+++ b/lib/pleroma/reverse_proxy.ex
@@ -3,10 +3,12 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.ReverseProxy do
-  @keep_req_headers ~w(accept user-agent accept-encoding cache-control if-modified-since if-unmodified-since if-none-match if-range range)
+  @keep_req_headers ~w(accept user-agent accept-encoding cache-control if-modified-since) ++
+                      ~w(if-unmodified-since if-none-match if-range range)
   @resp_cache_headers ~w(etag date last-modified cache-control)
   @keep_resp_headers @resp_cache_headers ++
-                       ~w(content-type content-disposition content-encoding content-range accept-ranges vary)
+                       ~w(content-type content-disposition content-encoding content-range) ++
+                       ~w(accept-ranges vary)
   @default_cache_control_header "public, max-age=1209600"
   @valid_resp_codes [200, 206, 304]
   @max_read_duration :timer.seconds(30)
@@ -282,8 +284,8 @@ defmodule Pleroma.ReverseProxy do
         headers
 
       has_cache? ->
-        # There's caching header present but no cache-control -- we need to explicitely override it to public
-        # as Plug defaults to "max-age=0, private, must-revalidate"
+        # There's caching header present but no cache-control -- we need to explicitely override it
+        # to public as Plug defaults to "max-age=0, private, must-revalidate"
         List.keystore(headers, "cache-control", 0, {"cache-control", "public"})
 
       true ->
diff --git a/lib/pleroma/stats.ex b/lib/pleroma/stats.ex
index fe0ce9051..2e7d747df 100644
--- a/lib/pleroma/stats.ex
+++ b/lib/pleroma/stats.ex
@@ -4,8 +4,8 @@
 
 defmodule Pleroma.Stats do
   import Ecto.Query
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
 
   def start_link do
     agent = Agent.start_link(fn -> {[], %{}} end, name: __MODULE__)
diff --git a/lib/pleroma/thread_mute.ex b/lib/pleroma/thread_mute.ex
index 0b577113d..10d31679d 100644
--- a/lib/pleroma/thread_mute.ex
+++ b/lib/pleroma/thread_mute.ex
@@ -4,7 +4,11 @@
 
 defmodule Pleroma.ThreadMute do
   use Ecto.Schema
-  alias Pleroma.{Repo, User, ThreadMute}
+
+  alias Pleroma.Repo
+  alias Pleroma.ThreadMute
+  alias Pleroma.User
+
   require Ecto.Query
 
   schema "thread_mutes" do
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index 1a97e9fde..f72334930 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -70,7 +70,7 @@ defmodule Pleroma.Upload do
            %{
              "type" => "Link",
              "mediaType" => upload.content_type,
-             "href" => url_from_spec(opts.base_url, url_spec)
+             "href" => url_from_spec(upload, opts.base_url, url_spec)
            }
          ],
          "name" => Map.get(opts, :description) || upload.name
@@ -219,14 +219,18 @@ defmodule Pleroma.Upload do
     tmp_path
   end
 
-  defp url_from_spec(base_url, {:file, path}) do
+  defp url_from_spec(%__MODULE__{name: name}, base_url, {:file, path}) do
     path =
-      path
-      |> URI.encode(&char_unescaped?/1)
+      URI.encode(path, &char_unescaped?/1) <>
+        if Pleroma.Config.get([__MODULE__, :link_name], false) do
+          "?name=#{URI.encode(name, &char_unescaped?/1)}"
+        else
+          ""
+        end
 
     [base_url, "media", path]
     |> Path.join()
   end
 
-  defp url_from_spec(_base_url, {:url, url}), do: url
+  defp url_from_spec(_upload, _base_url, {:url, url}), do: url
 end
diff --git a/lib/pleroma/uploaders/s3.ex b/lib/pleroma/uploaders/s3.ex
index 0038ba01f..e7de3f3e0 100644
--- a/lib/pleroma/uploaders/s3.ex
+++ b/lib/pleroma/uploaders/s3.ex
@@ -6,7 +6,8 @@ defmodule Pleroma.Uploaders.S3 do
   @behaviour Pleroma.Uploaders.Uploader
   require Logger
 
-  # The file name is re-encoded with S3's constraints here to comply with previous links with less strict filenames
+  # 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__])
     bucket = Keyword.fetch!(config, :bucket)
diff --git a/lib/pleroma/uploaders/swift/keystone.ex b/lib/pleroma/uploaders/swift/keystone.ex
index b4f250f9d..3046cdbd2 100644
--- a/lib/pleroma/uploaders/swift/keystone.ex
+++ b/lib/pleroma/uploaders/swift/keystone.ex
@@ -17,7 +17,7 @@ defmodule Pleroma.Uploaders.Swift.Keystone do
     |> Poison.decode!()
   end
 
-  def get_token() do
+  def get_token do
     settings = Pleroma.Config.get(Pleroma.Uploaders.Swift)
     username = Keyword.fetch!(settings, :username)
     password = Keyword.fetch!(settings, :password)
diff --git a/lib/pleroma/uploaders/uploader.ex b/lib/pleroma/uploaders/uploader.ex
index ce83cbbbc..bf15389fc 100644
--- a/lib/pleroma/uploaders/uploader.ex
+++ b/lib/pleroma/uploaders/uploader.ex
@@ -29,7 +29,6 @@ defmodule Pleroma.Uploaders.Uploader do
   * `{:error, String.t}` error information if the file failed to be saved to the backend.
   * `:wait_callback` will wait for an http post request at `/api/pleroma/upload_callback/:upload_path` and call the uploader's `http_callback/3` method.
 
-
   """
   @type file_spec :: {:file | :url, String.t()}
   @callback put_file(Pleroma.Upload.t()) ::
diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index e17df8e34..381642281 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -8,21 +8,21 @@ defmodule Pleroma.User do
   import Ecto.Changeset
   import Ecto.Query
 
+  alias Comeonin.Pbkdf2
+  alias Pleroma.Activity
+  alias Pleroma.Formatter
+  alias Pleroma.Notification
+  alias Pleroma.Object
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Object
   alias Pleroma.Web
-  alias Pleroma.Activity
-  alias Pleroma.Notification
-  alias Comeonin.Pbkdf2
-  alias Pleroma.Formatter
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
-  alias Pleroma.Web.OStatus
-  alias Pleroma.Web.Websub
   alias Pleroma.Web.OAuth
-  alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.OStatus
   alias Pleroma.Web.RelMe
+  alias Pleroma.Web.Websub
 
   require Logger
 
@@ -30,6 +30,7 @@ defmodule Pleroma.User do
 
   @primary_key {:id, Pleroma.FlakeId, autogenerate: true}
 
+  # credo:disable-for-next-line Credo.Check.Readability.MaxLineLength
   @email_regex ~r/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/
 
   @strict_local_nickname_regex ~r/^[a-zA-Z\d]+$/
@@ -317,7 +318,7 @@ defmodule Pleroma.User do
   def needs_update?(%User{local: false, last_refreshed_at: nil}), do: true
 
   def needs_update?(%User{local: false} = user) do
-    NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86400
+    NaiveDateTime.diff(NaiveDateTime.utc_now(), user.last_refreshed_at) >= 86_400
   end
 
   def needs_update?(_), do: true
@@ -467,7 +468,8 @@ defmodule Pleroma.User do
     Repo.get_by(User, ap_id: ap_id)
   end
 
-  # This is mostly an SPC migration fix. This guesses the user nickname (by taking the last part of the ap_id and the domain) and tries to get that user
+  # This is mostly an SPC migration fix. This guesses the user nickname by taking the last part
+  # of the ap_id and the domain and tries to get that user
   def get_by_guessed_nickname(ap_id) do
     domain = URI.parse(ap_id).host
     name = List.last(String.split(ap_id, "/"))
@@ -1378,7 +1380,7 @@ defmodule Pleroma.User do
     |> Enum.map(&String.downcase(&1))
   end
 
-  defp local_nickname_regex() do
+  defp local_nickname_regex do
     if Pleroma.Config.get([:instance, :extended_nickname_format]) do
       @extended_local_nickname_regex
     else
diff --git a/lib/pleroma/user/info.ex b/lib/pleroma/user/info.ex
index 818b64645..e3fd65a6e 100644
--- a/lib/pleroma/user/info.ex
+++ b/lib/pleroma/user/info.ex
@@ -6,6 +6,8 @@ defmodule Pleroma.User.Info do
   use Ecto.Schema
   import Ecto.Changeset
 
+  alias Pleroma.User.Info
+
   embedded_schema do
     field(:banner, :map, default: %{})
     field(:background, :map, default: %{})
@@ -250,4 +252,11 @@ defmodule Pleroma.User.Info do
 
     cast(info, params, [:pinned_activities])
   end
+
+  def roles(%Info{is_moderator: is_moderator, is_admin: is_admin}) do
+    %{
+      admin: is_admin,
+      moderator: is_moderator
+    }
+  end
 end
diff --git a/lib/pleroma/user/welcome_message.ex b/lib/pleroma/user/welcome_message.ex
index 8018ac22f..2ba65b75a 100644
--- a/lib/pleroma/user/welcome_message.ex
+++ b/lib/pleroma/user/welcome_message.ex
@@ -14,7 +14,7 @@ defmodule Pleroma.User.WelcomeMessage do
     end
   end
 
-  defp welcome_user() do
+  defp welcome_user do
     with nickname when is_binary(nickname) <-
            Pleroma.Config.get([:instance, :welcome_user_nickname]),
          %User{local: true} = user <- User.get_cached_by_nickname(nickname) do
@@ -24,7 +24,7 @@ defmodule Pleroma.User.WelcomeMessage do
     end
   end
 
-  defp welcome_message() do
+  defp welcome_message do
     Pleroma.Config.get([:instance, :welcome_message])
   end
 end
diff --git a/lib/pleroma/user_invite_token.ex b/lib/pleroma/user_invite_token.ex
index 5a448114c..9c5579934 100644
--- a/lib/pleroma/user_invite_token.ex
+++ b/lib/pleroma/user_invite_token.ex
@@ -7,8 +7,8 @@ defmodule Pleroma.UserInviteToken do
 
   import Ecto.Changeset
 
-  alias Pleroma.UserInviteToken
   alias Pleroma.Repo
+  alias Pleroma.UserInviteToken
 
   schema "user_invite_tokens" do
     field(:token, :string)
diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 2f11f8984..70db419ca 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -4,17 +4,17 @@
 
 defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Activity
-  alias Pleroma.Repo
+  alias Pleroma.Instances
+  alias Pleroma.Notification
   alias Pleroma.Object
+  alias Pleroma.Repo
   alias Pleroma.Upload
   alias Pleroma.User
-  alias Pleroma.Notification
-  alias Pleroma.Instances
-  alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.MRF
-  alias Pleroma.Web.WebFinger
+  alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.Federator
   alias Pleroma.Web.OStatus
+  alias Pleroma.Web.WebFinger
 
   import Ecto.Query
   import Pleroma.Web.ActivityPub.Utils
@@ -170,7 +170,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
              additional
            ),
          {:ok, activity} <- insert(create_data, local),
-         # Changing note count prior to enqueuing federation task in order to avoid race conditions on updating user.info
+         # Changing note count prior to enqueuing federation task in order to avoid
+         # race conditions on updating user.info
          {:ok, _actor} <- increase_note_count_if_public(actor, activity),
          :ok <- maybe_federate(activity) do
       {:ok, activity}
@@ -309,7 +310,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
     user = User.get_cached_by_ap_id(actor)
-    to = object.data["to"] || [] ++ object.data["cc"] || []
+    to = (object.data["to"] || []) ++ (object.data["cc"] || [])
 
     with {:ok, object, activity} <- Object.delete(object),
          data <- %{
@@ -320,7 +321,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
            "deleted_activity_id" => activity && activity.id
          },
          {:ok, activity} <- insert(data, local),
-         # Changing note count prior to enqueuing federation task in order to avoid race conditions on updating user.info
+         # Changing note count prior to enqueuing federation task in order to avoid
+         # race conditions on updating user.info
          {:ok, _actor} <- decrease_note_count_if_public(user, object),
          :ok <- maybe_federate(activity) do
       {:ok, activity}
@@ -502,7 +504,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
        when is_list(tag_reject) and tag_reject != [] do
     from(
       activity in query,
-      where: fragment("(not (? #> '{\"object\",\"tag\"}') \\?| ?)", activity.data, ^tag_reject)
+      where: fragment(~s(\(not \(? #> '{"object","tag"}'\) \\?| ?\)), activity.data, ^tag_reject)
     )
   end
 
@@ -512,7 +514,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
        when is_list(tag_all) and tag_all != [] do
     from(
       activity in query,
-      where: fragment("(? #> '{\"object\",\"tag\"}') \\?& ?", activity.data, ^tag_all)
+      where: fragment(~s(\(? #> '{"object","tag"}'\) \\?& ?), activity.data, ^tag_all)
     )
   end
 
@@ -521,14 +523,14 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   defp restrict_tag(query, %{"tag" => tag}) when is_list(tag) do
     from(
       activity in query,
-      where: fragment("(? #> '{\"object\",\"tag\"}') \\?| ?", activity.data, ^tag)
+      where: fragment(~s(\(? #> '{"object","tag"}'\) \\?| ?), activity.data, ^tag)
     )
   end
 
   defp restrict_tag(query, %{"tag" => tag}) when is_binary(tag) do
     from(
       activity in query,
-      where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
+      where: fragment(~s(? <@ (? #> '{"object","tag"}'\)), ^tag, activity.data)
     )
   end
 
@@ -601,7 +603,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
     from(
       activity in query,
-      where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
+      where: fragment(~s(? <@ (? #> '{"object","likes"}'\)), ^ap_id, activity.data)
     )
   end
 
@@ -610,7 +612,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   defp restrict_media(query, %{"only_media" => val}) when val == "true" or val == "1" do
     from(
       activity in query,
-      where: fragment("not (? #> '{\"object\",\"attachment\"}' = ?)", activity.data, ^[])
+      where: fragment(~s(not (? #> '{"object","attachment"}' = ?\)), activity.data, ^[])
     )
   end
 
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index ff924a536..7091d6927 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -6,15 +6,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   use Pleroma.Web, :controller
 
   alias Pleroma.Activity
-  alias Pleroma.User
   alias Pleroma.Object
-  alias Pleroma.Web.ActivityPub.ObjectView
-  alias Pleroma.Web.ActivityPub.UserView
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.ActivityPub.ObjectView
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.ActivityPub.Transmogrifier
+  alias Pleroma.Web.ActivityPub.UserView
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.Federator
 
   require Logger
diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index eebea207c..1aaa20050 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -16,7 +16,7 @@ defmodule Pleroma.Web.ActivityPub.MRF do
     end)
   end
 
-  def get_policies() do
+  def get_policies do
     Application.get_env(:pleroma, :instance, [])
     |> Keyword.get(:rewrite_policy, [])
     |> get_policies()
diff --git a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
index 5fdc03414..25d5f9cd3 100644
--- a/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/keyword_policy.ex
@@ -45,13 +45,14 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicy do
 
   defp check_replace(%{"object" => %{"content" => content, "summary" => summary}} = message) do
     {content, summary} =
-      Enum.reduce(Pleroma.Config.get([:mrf_keyword, :replace]), {content, summary}, fn {pattern,
-                                                                                        replacement},
-                                                                                       {content_acc,
-                                                                                        summary_acc} ->
-        {String.replace(content_acc, pattern, replacement),
-         String.replace(summary_acc, pattern, replacement)}
-      end)
+      Enum.reduce(
+        Pleroma.Config.get([:mrf_keyword, :replace]),
+        {content, summary},
+        fn {pattern, replacement}, {content_acc, summary_acc} ->
+          {String.replace(content_acc, pattern, replacement),
+           String.replace(summary_acc, pattern, replacement)}
+        end
+      )
 
     {:ok,
      message
diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex
index c496063ea..01fef71b9 100644
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@@ -3,9 +3,9 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.Relay do
-  alias Pleroma.User
-  alias Pleroma.Object
   alias Pleroma.Activity
+  alias Pleroma.Object
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   require Logger
 
diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index 27d223a3e..1247e4b61 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -7,9 +7,9 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   A module to handle coding from internal to wire ActivityPub and back.
   """
   alias Pleroma.Activity
-  alias Pleroma.User
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.ActivityPub.Visibility
@@ -650,10 +650,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
     if object = Object.normalize(id), do: {:ok, object}, else: nil
   end
 
-  def set_reply_to_uri(%{"inReplyTo" => inReplyTo} = object) when is_binary(inReplyTo) do
-    with false <- String.starts_with?(inReplyTo, "http"),
-         {:ok, %{data: replied_to_object}} <- get_obj_helper(inReplyTo) do
-      Map.put(object, "inReplyTo", replied_to_object["external_url"] || inReplyTo)
+  def set_reply_to_uri(%{"inReplyTo" => in_reply_to} = object) when is_binary(in_reply_to) do
+    with false <- String.starts_with?(in_reply_to, "http"),
+         {:ok, %{data: replied_to_object}} <- get_obj_helper(in_reply_to) do
+      Map.put(object, "inReplyTo", replied_to_object["external_url"] || in_reply_to)
     else
       _e -> object
     end
@@ -830,10 +830,10 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier do
   end
 
   def add_attributed_to(object) do
-    attributedTo = object["attributedTo"] || object["actor"]
+    attributed_to = object["attributedTo"] || object["actor"]
 
     object
-    |> Map.put("attributedTo", attributedTo)
+    |> Map.put("attributedTo", attributed_to)
   end
 
   def add_likes(%{"id" => id, "like_count" => likes} = object) do
diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 629c39315..182f9cacb 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -3,17 +3,17 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.Utils do
+  alias Ecto.Changeset
+  alias Ecto.UUID
+  alias Pleroma.Activity
+  alias Pleroma.Notification
+  alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web
-  alias Pleroma.Object
-  alias Pleroma.Activity
   alias Pleroma.Web.ActivityPub.Visibility
-  alias Pleroma.User
-  alias Pleroma.Notification
-  alias Pleroma.Web.Router.Helpers
   alias Pleroma.Web.Endpoint
-  alias Ecto.Changeset
-  alias Ecto.UUID
+  alias Pleroma.Web.Router.Helpers
 
   import Ecto.Query
 
diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex
index 415cbd47a..3d00dcbf2 100644
--- a/lib/pleroma/web/activity_pub/views/user_view.ex
+++ b/lib/pleroma/web/activity_pub/views/user_view.ex
@@ -5,15 +5,15 @@
 defmodule Pleroma.Web.ActivityPub.UserView do
   use Pleroma.Web, :view
 
-  alias Pleroma.Web.WebFinger
-  alias Pleroma.Web.Salmon
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.Router.Helpers
   alias Pleroma.Web.Endpoint
+  alias Pleroma.Web.Router.Helpers
+  alias Pleroma.Web.Salmon
+  alias Pleroma.Web.WebFinger
 
   import Ecto.Query
 
diff --git a/lib/pleroma/web/admin_api/admin_api_controller.ex b/lib/pleroma/web/admin_api/admin_api_controller.ex
index 75c2c6061..6d9bf2895 100644
--- a/lib/pleroma/web/admin_api/admin_api_controller.ex
+++ b/lib/pleroma/web/admin_api/admin_api_controller.ex
@@ -8,7 +8,7 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
   use Pleroma.Web, :controller
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Relay
-  alias Pleroma.Web.MastodonAPI.Admin.AccountView
+  alias Pleroma.Web.AdminAPI.AccountView
 
   import Pleroma.Web.ControllerHelper, only: [json_response: 3]
 
diff --git a/lib/pleroma/web/mastodon_api/views/admin/account_view.ex b/lib/pleroma/web/admin_api/views/account_view.ex
index 74ca13564..4d6f921ef 100644
--- a/lib/pleroma/web/mastodon_api/views/admin/account_view.ex
+++ b/lib/pleroma/web/admin_api/views/account_view.ex
@@ -2,10 +2,11 @@
 # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Web.MastodonAPI.Admin.AccountView do
+defmodule Pleroma.Web.AdminAPI.AccountView do
   use Pleroma.Web, :view
 
-  alias Pleroma.Web.MastodonAPI.Admin.AccountView
+  alias Pleroma.User.Info
+  alias Pleroma.Web.AdminAPI.AccountView
 
   def render("index.json", %{users: users, count: count, page_size: page_size}) do
     %{
@@ -19,7 +20,10 @@ defmodule Pleroma.Web.MastodonAPI.Admin.AccountView do
     %{
       "id" => user.id,
       "nickname" => user.nickname,
-      "deactivated" => user.info.deactivated
+      "deactivated" => user.info.deactivated,
+      "local" => user.local,
+      "roles" => Info.roles(user.info),
+      "tags" => user.tags || []
     }
   end
 end
diff --git a/lib/pleroma/web/auth/pleroma_authenticator.ex b/lib/pleroma/web/auth/pleroma_authenticator.ex
index fb04ef8da..5583f41a9 100644
--- a/lib/pleroma/web/auth/pleroma_authenticator.ex
+++ b/lib/pleroma/web/auth/pleroma_authenticator.ex
@@ -3,8 +3,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Auth.PleromaAuthenticator do
-  alias Pleroma.User
   alias Comeonin.Pbkdf2
+  alias Pleroma.User
 
   @behaviour Pleroma.Web.Auth.Authenticator
 
diff --git a/lib/pleroma/web/channels/user_socket.ex b/lib/pleroma/web/channels/user_socket.ex
index aed8475fd..3a700fa3b 100644
--- a/lib/pleroma/web/channels/user_socket.ex
+++ b/lib/pleroma/web/channels/user_socket.ex
@@ -23,7 +23,7 @@ defmodule Pleroma.Web.UserSocket do
   # performing token verification on connect.
   def connect(%{"token" => token}, socket) do
     with true <- Pleroma.Config.get([:chat, :enabled]),
-         {:ok, user_id} <- Phoenix.Token.verify(socket, "user socket", token, max_age: 84600),
+         {:ok, user_id} <- Phoenix.Token.verify(socket, "user socket", token, max_age: 84_600),
          %User{} = user <- Pleroma.Repo.get(User, user_id) do
       {:ok, assign(socket, :user_name, user.nickname)}
     else
diff --git a/lib/pleroma/web/chat_channel.ex b/lib/pleroma/web/chat_channel.ex
index fe63ede66..f63f4bda1 100644
--- a/lib/pleroma/web/chat_channel.ex
+++ b/lib/pleroma/web/chat_channel.ex
@@ -4,8 +4,8 @@
 
 defmodule Pleroma.Web.ChatChannel do
   use Phoenix.Channel
-  alias Pleroma.Web.ChatChannel.ChatChannelState
   alias Pleroma.User
+  alias Pleroma.Web.ChatChannel.ChatChannelState
 
   def join("chat:public", _message, socket) do
     send(self(), :after_join)
@@ -48,7 +48,7 @@ defmodule Pleroma.Web.ChatChannel.ChatChannelState do
     end)
   end
 
-  def messages() do
+  def messages do
     Agent.get(__MODULE__, fn state -> state[:messages] |> Enum.reverse() end)
   end
 end
diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 07bd6548a..de0759fb0 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -3,14 +3,14 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.CommonAPI do
-  alias Pleroma.User
-  alias Pleroma.Repo
   alias Pleroma.Activity
+  alias Pleroma.Formatter
   alias Pleroma.Object
+  alias Pleroma.Repo
   alias Pleroma.ThreadMute
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Formatter
 
   import Pleroma.Web.CommonAPI.Utils
 
@@ -27,6 +27,42 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
+  def unfollow(follower, unfollowed) do
+    with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
+         {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
+      {:ok, follower}
+    end
+  end
+
+  def accept_follow_request(follower, followed) do
+    with {:ok, follower} <- User.maybe_follow(follower, followed),
+         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
+         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
+         {:ok, _activity} <-
+           ActivityPub.accept(%{
+             to: [follower.ap_id],
+             actor: followed,
+             object: follow_activity.data["id"],
+             type: "Accept"
+           }) do
+      {:ok, follower}
+    end
+  end
+
+  def reject_follow_request(follower, followed) do
+    with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
+         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
+         {:ok, _activity} <-
+           ActivityPub.reject(%{
+             to: [follower.ap_id],
+             actor: followed,
+             object: follow_activity.data["id"],
+             type: "Reject"
+           }) do
+      {:ok, follower}
+    end
+  end
+
   def delete(activity_id, user) do
     with %Activity{data: %{"object" => %{"id" => object_id}}} <- Repo.get(Activity, activity_id),
          %Object{} = object <- Object.normalize(object_id),
@@ -88,8 +124,8 @@ defmodule Pleroma.Web.CommonAPI do
       nil ->
         "public"
 
-      inReplyTo ->
-        Pleroma.Web.MastodonAPI.StatusView.get_visibility(inReplyTo.data["object"])
+      in_reply_to ->
+        Pleroma.Web.MastodonAPI.StatusView.get_visibility(in_reply_to.data["object"])
     end
   end
 
@@ -101,15 +137,15 @@ defmodule Pleroma.Web.CommonAPI do
 
     with status <- String.trim(status),
          attachments <- attachments_from_ids(data),
-         inReplyTo <- get_replied_to_activity(data["in_reply_to_status_id"]),
+         in_reply_to <- get_replied_to_activity(data["in_reply_to_status_id"]),
          {content_html, mentions, tags} <-
            make_content_html(
              status,
              attachments,
              data
            ),
-         {to, cc} <- to_for_user_and_mentions(user, mentions, inReplyTo, visibility),
-         context <- make_context(inReplyTo),
+         {to, cc} <- to_for_user_and_mentions(user, mentions, in_reply_to, visibility),
+         context <- make_context(in_reply_to),
          cw <- data["spoiler_text"],
          full_payload <- String.trim(status <> (data["spoiler_text"] || "")),
          length when length in 1..limit <- String.length(full_payload),
@@ -120,7 +156,7 @@ defmodule Pleroma.Web.CommonAPI do
              context,
              content_html,
              attachments,
-             inReplyTo,
+             in_reply_to,
              tags,
              cw,
              cc
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index e4b9102c5..b7513ef28 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -6,14 +6,14 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   alias Calendar.Strftime
   alias Comeonin.Pbkdf2
   alias Pleroma.Activity
+  alias Pleroma.Config
   alias Pleroma.Formatter
   alias Pleroma.Object
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Config
+  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.Endpoint
   alias Pleroma.Web.MediaProxy
-  alias Pleroma.Web.ActivityPub.Utils
 
   # This is a hack for twidere.
   def get_by_id_or_ap_id(id) do
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index 5915ea40e..4d6192db0 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -6,7 +6,8 @@ defmodule Pleroma.Web.ControllerHelper do
   use Pleroma.Web, :controller
 
   def oauth_scopes(params, default) do
-    # Note: `scopes` is used by Mastodon — supporting it but sticking to OAuth's standard `scope` wherever we control it
+    # Note: `scopes` is used by Mastodon — supporting it but sticking to
+    # OAuth's standard `scope` wherever we control it
     Pleroma.Web.OAuth.parse_scopes(params["scope"] || params["scopes"], default)
   end
 
diff --git a/lib/pleroma/web/endpoint.ex b/lib/pleroma/web/endpoint.ex
index 31ffdecc0..f92724d8b 100644
--- a/lib/pleroma/web/endpoint.ex
+++ b/lib/pleroma/web/endpoint.ex
@@ -25,7 +25,8 @@ defmodule Pleroma.Web.Endpoint do
     at: "/",
     from: :pleroma,
     only:
-      ~w(index.html static finmoji emoji packs sounds images instance sw.js sw-pleroma.js favicon.png schemas doc)
+      ~w(index.html robots.txt static finmoji emoji packs sounds images instance sw.js sw-pleroma.js favicon.png schemas doc)
+    # credo:disable-for-previous-line Credo.Check.Readability.MaxLineLength
   )
 
   # Code reloading can be explicitly enabled under the
diff --git a/lib/pleroma/web/federator/federator.ex b/lib/pleroma/web/federator/federator.ex
index fbfe97dbc..5e690ddb8 100644
--- a/lib/pleroma/web/federator/federator.ex
+++ b/lib/pleroma/web/federator/federator.ex
@@ -4,27 +4,27 @@
 
 defmodule Pleroma.Web.Federator do
   alias Pleroma.Activity
+  alias Pleroma.Jobs
   alias Pleroma.User
-  alias Pleroma.Web.WebFinger
-  alias Pleroma.Web.Websub
-  alias Pleroma.Web.Salmon
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.Federator.RetryQueue
   alias Pleroma.Web.OStatus
-  alias Pleroma.Jobs
+  alias Pleroma.Web.Salmon
+  alias Pleroma.Web.WebFinger
+  alias Pleroma.Web.Websub
 
   require Logger
 
   @websub Application.get_env(:pleroma, :websub)
   @ostatus Application.get_env(:pleroma, :ostatus)
 
-  def init() do
+  def init do
     # 1 minute
-    Process.sleep(1000 * 60 * 1)
+    Process.sleep(1000 * 60)
     refresh_subscriptions()
   end
 
@@ -58,7 +58,7 @@ defmodule Pleroma.Web.Federator do
     Jobs.enqueue(:federator_outgoing, __MODULE__, [:request_subscription, sub])
   end
 
-  def refresh_subscriptions() do
+  def refresh_subscriptions do
     Jobs.enqueue(:federator_outgoing, __MODULE__, [:refresh_subscriptions])
   end
 
diff --git a/lib/pleroma/web/federator/retry_queue.ex b/lib/pleroma/web/federator/retry_queue.ex
index e0ce251d2..71e49494f 100644
--- a/lib/pleroma/web/federator/retry_queue.ex
+++ b/lib/pleroma/web/federator/retry_queue.ex
@@ -13,7 +13,7 @@ defmodule Pleroma.Web.Federator.RetryQueue do
     {:ok, %{args | queue_table: queue_table, running_jobs: :sets.new()}}
   end
 
-  def start_link() do
+  def start_link do
     enabled =
       if Mix.env() == :test, do: true, else: Pleroma.Config.get([__MODULE__, :enabled], false)
 
@@ -39,11 +39,11 @@ defmodule Pleroma.Web.Federator.RetryQueue do
     GenServer.cast(__MODULE__, {:maybe_enqueue, data, transport, retries + 1})
   end
 
-  def get_stats() do
+  def get_stats do
     GenServer.call(__MODULE__, :get_stats)
   end
 
-  def reset_stats() do
+  def reset_stats do
     GenServer.call(__MODULE__, :reset_stats)
   end
 
@@ -55,7 +55,7 @@ defmodule Pleroma.Web.Federator.RetryQueue do
     end
   end
 
-  def get_retry_timer_interval() do
+  def get_retry_timer_interval do
     Pleroma.Config.get([:retry_queue, :interval], 1000)
   end
 
@@ -231,7 +231,7 @@ defmodule Pleroma.Web.Federator.RetryQueue do
     end
   end
 
-  defp maybe_kickoff_timer() do
+  defp maybe_kickoff_timer do
     GenServer.cast(__MODULE__, :kickoff_timer)
   end
 end
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api.ex b/lib/pleroma/web/mastodon_api/mastodon_api.ex
index 8b1378917..54cb6c97a 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api.ex
@@ -1 +1,63 @@
+defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
+  import Ecto.Query
+  import Ecto.Changeset
 
+  alias Pleroma.Repo
+  alias Pleroma.User
+
+  @default_limit 20
+
+  def get_followers(user, params \\ %{}) do
+    user
+    |> User.get_followers_query()
+    |> paginate(params)
+    |> Repo.all()
+  end
+
+  def get_friends(user, params \\ %{}) do
+    user
+    |> User.get_friends_query()
+    |> paginate(params)
+    |> Repo.all()
+  end
+
+  def paginate(query, params \\ %{}) do
+    options = cast_params(params)
+
+    query
+    |> restrict(:max_id, options)
+    |> restrict(:since_id, options)
+    |> restrict(:limit, options)
+    |> order_by([u], fragment("? desc nulls last", u.id))
+  end
+
+  def cast_params(params) do
+    param_types = %{
+      max_id: :string,
+      since_id: :string,
+      limit: :integer
+    }
+
+    changeset = cast({%{}, param_types}, params, Map.keys(param_types))
+    changeset.changes
+  end
+
+  defp restrict(query, :max_id, %{max_id: max_id}) do
+    query
+    |> where([q], q.id < ^max_id)
+  end
+
+  defp restrict(query, :since_id, %{since_id: since_id}) do
+    query
+    |> where([q], q.id > ^since_id)
+  end
+
+  defp restrict(query, :limit, options) do
+    limit = Map.get(options, :limit, @default_limit)
+
+    query
+    |> limit(^limit)
+  end
+
+  defp restrict(query, _, _), do: query
+end
diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index 26921d386..265bf837e 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -4,6 +4,7 @@
 
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
+
   alias Pleroma.Activity
   alias Pleroma.Config
   alias Pleroma.Filter
@@ -13,18 +14,18 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Stats
   alias Pleroma.User
   alias Pleroma.Web
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.CommonAPI
-  alias Pleroma.Web.MediaProxy
-
   alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.FilterView
   alias Pleroma.Web.MastodonAPI.ListView
+  alias Pleroma.Web.MastodonAPI.MastodonAPI
   alias Pleroma.Web.MastodonAPI.MastodonView
-  alias Pleroma.Web.MastodonAPI.StatusView
+  alias Pleroma.Web.MastodonAPI.NotificationView
   alias Pleroma.Web.MastodonAPI.ReportView
-  alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.MastodonAPI.StatusView
+  alias Pleroma.Web.MediaProxy
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
   alias Pleroma.Web.OAuth.Token
@@ -131,8 +132,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, account)
   end
 
-  def user(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
-    with %User{} = user <- Repo.get(User, id),
+  def user(%{assigns: %{user: for_user}} = conn, %{"id" => nickname_or_id}) do
+    with %User{} = user <- User.get_cached_by_nickname_or_id(nickname_or_id),
          true <- User.auth_active?(user) || user.id == for_user.id || User.superuser?(for_user) do
       account = AccountView.render("account.json", %{user: user, for: for_user})
       json(conn, account)
@@ -503,19 +504,17 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   def notifications(%{assigns: %{user: user}} = conn, params) do
     notifications = Notification.for_user(user, params)
 
-    result =
-      notifications
-      |> Enum.map(fn x -> render_notification(user, x) end)
-      |> Enum.filter(& &1)
-
     conn
     |> add_link_headers(:notifications, notifications)
-    |> json(result)
+    |> put_view(NotificationView)
+    |> render("index.json", %{notifications: notifications, for: user})
   end
 
   def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
     with {:ok, notification} <- Notification.get(user, id) do
-      json(conn, render_notification(user, notification))
+      conn
+      |> put_view(NotificationView)
+      |> render("show.json", %{notification: notification, for: user})
     else
       {:error, reason} ->
         conn
@@ -652,9 +651,9 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
 
-  def followers(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
+  def followers(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
     with %User{} = user <- Repo.get(User, id),
-         {:ok, followers} <- User.get_followers(user) do
+         followers <- MastodonAPI.get_followers(user, params) do
       followers =
         cond do
           for_user && user.id == for_user.id -> followers
@@ -663,14 +662,15 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
         end
 
       conn
+      |> add_link_headers(:followers, followers, user)
       |> put_view(AccountView)
       |> render("accounts.json", %{users: followers, as: :user})
     end
   end
 
-  def following(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
+  def following(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
     with %User{} = user <- Repo.get(User, id),
-         {:ok, followers} <- User.get_friends(user) do
+         followers <- MastodonAPI.get_friends(user, params) do
       followers =
         cond do
           for_user && user.id == for_user.id -> followers
@@ -679,6 +679,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
         end
 
       conn
+      |> add_link_headers(:following, followers, user)
       |> put_view(AccountView)
       |> render("accounts.json", %{users: followers, as: :user})
     end
@@ -694,16 +695,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   def authorize_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
     with %User{} = follower <- Repo.get(User, id),
-         {:ok, follower} <- User.maybe_follow(follower, followed),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
-         {:ok, _activity} <-
-           ActivityPub.accept(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Accept"
-           }) do
+         {:ok, follower} <- CommonAPI.accept_follow_request(follower, followed) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: followed, target: follower})
@@ -717,15 +709,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   def reject_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
     with %User{} = follower <- Repo.get(User, id),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
-         {:ok, _activity} <-
-           ActivityPub.reject(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Reject"
-           }) do
+         {:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: followed, target: follower})
@@ -767,8 +751,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
     with %User{} = followed <- Repo.get(User, id),
-         {:ok, _activity} <- ActivityPub.unfollow(follower, followed),
-         {:ok, follower, _} <- User.unfollow(follower, followed) do
+         {:ok, follower} <- CommonAPI.unfollow(follower, followed) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: follower, target: followed})
@@ -1126,7 +1109,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
           compose: %{
             me: "#{user.id}",
             default_privacy: user.info.default_scope,
-            default_sensitive: false
+            default_sensitive: false,
+            allow_content_types: Config.get([:instance, :allowed_post_formats])
           },
           media_attachments: %{
             accept_content_types: [
@@ -1271,7 +1255,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  defp get_or_make_app() do
+  defp get_or_make_app do
     find_attrs = %{client_name: @local_mastodon_name, redirect_uris: "."}
     scopes = ["read", "write", "follow", "push"]
 
@@ -1324,45 +1308,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, %{})
   end
 
-  def render_notification(user, %{id: id, activity: activity, inserted_at: created_at} = _params) do
-    actor = User.get_cached_by_ap_id(activity.data["actor"])
-    parent_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
-    mastodon_type = Activity.mastodon_notification_type(activity)
-
-    response = %{
-      id: to_string(id),
-      type: mastodon_type,
-      created_at: CommonAPI.Utils.to_masto_date(created_at),
-      account: AccountView.render("account.json", %{user: actor, for: user})
-    }
-
-    case mastodon_type do
-      "mention" ->
-        response
-        |> Map.merge(%{
-          status: StatusView.render("status.json", %{activity: activity, for: user})
-        })
-
-      "favourite" ->
-        response
-        |> Map.merge(%{
-          status: StatusView.render("status.json", %{activity: parent_activity, for: user})
-        })
-
-      "reblog" ->
-        response
-        |> Map.merge(%{
-          status: StatusView.render("status.json", %{activity: parent_activity, for: user})
-        })
-
-      "follow" ->
-        response
-
-      _ ->
-        nil
-    end
-  end
-
   def get_filters(%{assigns: %{user: user}} = conn, _) do
     filters = Filter.get_filters(user)
     res = FilterView.render("filters.json", filters: filters)
diff --git a/lib/pleroma/web/mastodon_api/views/notification_view.ex b/lib/pleroma/web/mastodon_api/views/notification_view.ex
new file mode 100644
index 000000000..27e9cab06
--- /dev/null
+++ b/lib/pleroma/web/mastodon_api/views/notification_view.ex
@@ -0,0 +1,64 @@
+# 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.NotificationView do
+  use Pleroma.Web, :view
+
+  alias Pleroma.Activity
+  alias Pleroma.Notification
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.MastodonAPI.AccountView
+  alias Pleroma.Web.MastodonAPI.NotificationView
+  alias Pleroma.Web.MastodonAPI.StatusView
+
+  def render("index.json", %{notifications: notifications, for: user}) do
+    render_many(notifications, NotificationView, "show.json", %{for: user})
+  end
+
+  def render("show.json", %{
+        notification: %Notification{activity: activity} = notification,
+        for: user
+      }) do
+    actor = User.get_cached_by_ap_id(activity.data["actor"])
+    parent_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
+    mastodon_type = Activity.mastodon_notification_type(activity)
+
+    response = %{
+      id: to_string(notification.id),
+      type: mastodon_type,
+      created_at: CommonAPI.Utils.to_masto_date(notification.inserted_at),
+      account: AccountView.render("account.json", %{user: actor, for: user}),
+      pleroma: %{
+        is_seen: notification.seen
+      }
+    }
+
+    case mastodon_type do
+      "mention" ->
+        response
+        |> Map.merge(%{
+          status: StatusView.render("status.json", %{activity: activity, for: user})
+        })
+
+      "favourite" ->
+        response
+        |> Map.merge(%{
+          status: StatusView.render("status.json", %{activity: parent_activity, for: user})
+        })
+
+      "reblog" ->
+        response
+        |> Map.merge(%{
+          status: StatusView.render("status.json", %{activity: parent_activity, for: user})
+        })
+
+      "follow" ->
+        response
+
+      _ ->
+        nil
+    end
+  end
+end
diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index bf3aaf025..209119dd5 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -257,7 +257,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       preview_url: href,
       text_url: href,
       type: type,
-      description: attachment["name"]
+      description: attachment["name"],
+      pleroma: %{mime_type: media_type}
     }
   end
 
diff --git a/lib/pleroma/web/mastodon_api/websocket_handler.ex b/lib/pleroma/web/mastodon_api/websocket_handler.ex
index 8efe2efd5..9b262f461 100644
--- a/lib/pleroma/web/mastodon_api/websocket_handler.ex
+++ b/lib/pleroma/web/mastodon_api/websocket_handler.ex
@@ -5,9 +5,9 @@
 defmodule Pleroma.Web.MastodonAPI.WebsocketHandler do
   require Logger
 
-  alias Pleroma.Web.OAuth.Token
   alias Pleroma.Repo
   alias Pleroma.User
+  alias Pleroma.Web.OAuth.Token
 
   @behaviour :cowboy_websocket
 
diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex
index 39a725a69..3bd2affe9 100644
--- a/lib/pleroma/web/media_proxy/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy/media_proxy.ex
@@ -19,7 +19,8 @@ defmodule Pleroma.Web.MediaProxy do
     else
       secret = Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
 
-      # Must preserve `%2F` for compatibility with S3 (https://git.pleroma.social/pleroma/pleroma/issues/580)
+      # Must preserve `%2F` for compatibility with S3
+      # https://git.pleroma.social/pleroma/pleroma/issues/580
       replacement = get_replacement(url, ":2F:")
 
       # The URL is url-decoded and encoded again to ensure it is correctly encoded and not twice.
diff --git a/lib/pleroma/web/metadata/opengraph.ex b/lib/pleroma/web/metadata/opengraph.ex
index cafb8134b..357b80a2d 100644
--- a/lib/pleroma/web/metadata/opengraph.ex
+++ b/lib/pleroma/web/metadata/opengraph.ex
@@ -88,7 +88,7 @@ defmodule Pleroma.Web.Metadata.Providers.OpenGraph do
 
           # TODO: Add additional properties to objects when we have the data available.
           # Also, Whatsapp only wants JPEG or PNGs. It seems that if we add a second og:image
-          # object when a Video or GIF is attached it will display that in the Whatsapp Rich Preview.
+          # object when a Video or GIF is attached it will display that in Whatsapp Rich Preview.
           case media_type do
             "audio" ->
               [
diff --git a/lib/pleroma/web/metadata/twitter_card.ex b/lib/pleroma/web/metadata/twitter_card.ex
index a0be383e5..040b872e7 100644
--- a/lib/pleroma/web/metadata/twitter_card.ex
+++ b/lib/pleroma/web/metadata/twitter_card.ex
@@ -97,7 +97,8 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
                 | acc
               ]
 
-            # TODO: Need the true width and height values here or Twitter renders an iFrame with a bad aspect ratio
+            # TODO: Need the true width and height values here or Twitter renders an iFrame with
+            # a bad aspect ratio
             "video" ->
               [
                 {:meta, [property: "twitter:card", content: "player"], []},
diff --git a/lib/pleroma/web/metadata/utils.ex b/lib/pleroma/web/metadata/utils.ex
index 5fc9c9e7b..23bbde1a6 100644
--- a/lib/pleroma/web/metadata/utils.ex
+++ b/lib/pleroma/web/metadata/utils.ex
@@ -1,10 +1,10 @@
 # Pleroma: A lightweight social networking server
-# Copyright \xc2\xa9 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.Metadata.Utils do
-  alias Pleroma.HTML
   alias Pleroma.Formatter
+  alias Pleroma.HTML
   alias Pleroma.Web.MediaProxy
 
   def scrub_html_and_truncate(%{data: %{"content" => content}} = object) do
diff --git a/lib/pleroma/web/nodeinfo/nodeinfo.ex b/lib/pleroma/web/nodeinfo/nodeinfo.ex
deleted file mode 100644
index 8b1378917..000000000
--- a/lib/pleroma/web/nodeinfo/nodeinfo.ex
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/lib/pleroma/web/oauth/authorization.ex b/lib/pleroma/web/oauth/authorization.ex
index d37c2cb83..a80543adf 100644
--- a/lib/pleroma/web/oauth/authorization.ex
+++ b/lib/pleroma/web/oauth/authorization.ex
@@ -5,10 +5,10 @@
 defmodule Pleroma.Web.OAuth.Authorization do
   use Ecto.Schema
 
-  alias Pleroma.User
   alias Pleroma.Repo
-  alias Pleroma.Web.OAuth.Authorization
+  alias Pleroma.User
   alias Pleroma.Web.OAuth.App
+  alias Pleroma.Web.OAuth.Authorization
 
   import Ecto.Changeset
   import Ecto.Query
diff --git a/lib/pleroma/web/oauth/oauth_controller.ex b/lib/pleroma/web/oauth/oauth_controller.ex
index 366085a57..d39c4a713 100644
--- a/lib/pleroma/web/oauth/oauth_controller.ex
+++ b/lib/pleroma/web/oauth/oauth_controller.ex
@@ -5,13 +5,13 @@
 defmodule Pleroma.Web.OAuth.OAuthController do
   use Pleroma.Web, :controller
 
+  alias Comeonin.Pbkdf2
+  alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.Auth.Authenticator
+  alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
   alias Pleroma.Web.OAuth.Token
-  alias Pleroma.Web.OAuth.App
-  alias Pleroma.Repo
-  alias Pleroma.User
-  alias Comeonin.Pbkdf2
 
   import Pleroma.Web.ControllerHelper, only: [oauth_scopes: 2]
 
diff --git a/lib/pleroma/web/oauth/token.ex b/lib/pleroma/web/oauth/token.ex
index ca67632ba..2b074b470 100644
--- a/lib/pleroma/web/oauth/token.ex
+++ b/lib/pleroma/web/oauth/token.ex
@@ -7,11 +7,11 @@ defmodule Pleroma.Web.OAuth.Token do
 
   import Ecto.Query
 
-  alias Pleroma.User
   alias Pleroma.Repo
-  alias Pleroma.Web.OAuth.Token
+  alias Pleroma.User
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
+  alias Pleroma.Web.OAuth.Token
 
   schema "oauth_tokens" do
     field(:token, :string)
diff --git a/lib/pleroma/web/ostatus/activity_representer.ex b/lib/pleroma/web/ostatus/activity_representer.ex
index 9e1f24bc4..1a1b74bb0 100644
--- a/lib/pleroma/web/ostatus/activity_representer.ex
+++ b/lib/pleroma/web/ostatus/activity_representer.ex
@@ -4,8 +4,8 @@
 
 defmodule Pleroma.Web.OStatus.ActivityRepresenter do
   alias Pleroma.Activity
-  alias Pleroma.User
   alias Pleroma.Object
+  alias Pleroma.User
   alias Pleroma.Web.OStatus.UserRepresenter
 
   require Logger
diff --git a/lib/pleroma/web/ostatus/feed_representer.ex b/lib/pleroma/web/ostatus/feed_representer.ex
index 025d4731c..b7b97e505 100644
--- a/lib/pleroma/web/ostatus/feed_representer.ex
+++ b/lib/pleroma/web/ostatus/feed_representer.ex
@@ -4,8 +4,8 @@
 
 defmodule Pleroma.Web.OStatus.FeedRepresenter do
   alias Pleroma.User
-  alias Pleroma.Web.OStatus
   alias Pleroma.Web.MediaProxy
+  alias Pleroma.Web.OStatus
   alias Pleroma.Web.OStatus.ActivityRepresenter
   alias Pleroma.Web.OStatus.UserRepresenter
 
diff --git a/lib/pleroma/web/ostatus/handlers/delete_handler.ex b/lib/pleroma/web/ostatus/handlers/delete_handler.ex
index 01b52f08f..b2f9f3946 100644
--- a/lib/pleroma/web/ostatus/handlers/delete_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/delete_handler.ex
@@ -4,9 +4,9 @@
 
 defmodule Pleroma.Web.OStatus.DeleteHandler do
   require Logger
-  alias Pleroma.Web.XML
   alias Pleroma.Object
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.XML
 
   def handle_delete(entry, _doc \\ nil) do
     with id <- XML.string_from_xpath("//id", entry),
diff --git a/lib/pleroma/web/ostatus/handlers/follow_handler.ex b/lib/pleroma/web/ostatus/handlers/follow_handler.ex
index 91ad4bc40..263d3b2dc 100644
--- a/lib/pleroma/web/ostatus/handlers/follow_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/follow_handler.ex
@@ -3,10 +3,10 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.OStatus.FollowHandler do
-  alias Pleroma.Web.XML
-  alias Pleroma.Web.OStatus
-  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.OStatus
+  alias Pleroma.Web.XML
 
   def handle(entry, doc) do
     with {:ok, actor} <- OStatus.find_make_or_update_user(doc),
diff --git a/lib/pleroma/web/ostatus/handlers/note_handler.ex b/lib/pleroma/web/ostatus/handlers/note_handler.ex
index c2e585cac..770a71a0a 100644
--- a/lib/pleroma/web/ostatus/handlers/note_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/note_handler.ex
@@ -4,13 +4,14 @@
 
 defmodule Pleroma.Web.OStatus.NoteHandler do
   require Logger
-  alias Pleroma.Web.OStatus
-  alias Pleroma.Web.XML
+
   alias Pleroma.Activity
   alias Pleroma.Object
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.OStatus
+  alias Pleroma.Web.XML
 
   @doc """
   Get the context for this note. Uses this:
@@ -18,13 +19,13 @@ defmodule Pleroma.Web.OStatus.NoteHandler do
   2. The conversation reference in the ostatus xml
   3. A newly generated context id.
   """
-  def get_context(entry, inReplyTo) do
+  def get_context(entry, in_reply_to) do
     context =
       (XML.string_from_xpath("//ostatus:conversation[1]", entry) ||
          XML.string_from_xpath("//ostatus:conversation[1]/@ref", entry) || "")
       |> String.trim()
 
-    with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(inReplyTo) do
+    with %{data: %{"context" => context}} <- Object.get_cached_by_ap_id(in_reply_to) do
       context
     else
       _e ->
@@ -87,14 +88,14 @@ defmodule Pleroma.Web.OStatus.NoteHandler do
     Map.put(note, "external_url", url)
   end
 
-  def fetch_replied_to_activity(entry, inReplyTo) do
-    with %Activity{} = activity <- Activity.get_create_by_object_ap_id(inReplyTo) do
+  def fetch_replied_to_activity(entry, in_reply_to) do
+    with %Activity{} = activity <- Activity.get_create_by_object_ap_id(in_reply_to) do
       activity
     else
       _e ->
-        with inReplyToHref when not is_nil(inReplyToHref) <-
+        with in_reply_to_href when not is_nil(in_reply_to_href) <-
                XML.string_from_xpath("//thr:in-reply-to[1]/@href", entry),
-             {:ok, [activity | _]} <- OStatus.fetch_activity_from_url(inReplyToHref) do
+             {:ok, [activity | _]} <- OStatus.fetch_activity_from_url(in_reply_to_href) do
           activity
         else
           _e -> nil
@@ -110,11 +111,12 @@ defmodule Pleroma.Web.OStatus.NoteHandler do
          {:ok, actor} <- OStatus.find_make_or_update_user(author),
          content_html <- OStatus.get_content(entry),
          cw <- OStatus.get_cw(entry),
-         inReplyTo <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
-         inReplyToActivity <- fetch_replied_to_activity(entry, inReplyTo),
-         inReplyTo <- (inReplyToActivity && inReplyToActivity.data["object"]["id"]) || inReplyTo,
+         in_reply_to <- XML.string_from_xpath("//thr:in-reply-to[1]/@ref", entry),
+         in_reply_to_activity <- fetch_replied_to_activity(entry, in_reply_to),
+         in_reply_to <-
+           (in_reply_to_activity && in_reply_to_activity.data["object"]["id"]) || in_reply_to,
          attachments <- OStatus.get_attachments(entry),
-         context <- get_context(entry, inReplyTo),
+         context <- get_context(entry, in_reply_to),
          tags <- OStatus.get_tags(entry),
          mentions <- get_mentions(entry),
          to <- make_to_list(actor, mentions),
@@ -128,7 +130,7 @@ defmodule Pleroma.Web.OStatus.NoteHandler do
              context,
              content_html,
              attachments,
-             inReplyToActivity,
+             in_reply_to_activity,
              [],
              cw
            ),
@@ -140,8 +142,8 @@ defmodule Pleroma.Web.OStatus.NoteHandler do
          # TODO: Handle this case in make_note_data
          note <-
            if(
-             inReplyTo && !inReplyToActivity,
-             do: note |> Map.put("inReplyTo", inReplyTo),
+             in_reply_to && !in_reply_to_activity,
+             do: note |> Map.put("inReplyTo", in_reply_to),
              else: note
            ) do
       ActivityPub.create(%{
diff --git a/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex b/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
index c9085894d..6596ada3b 100644
--- a/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
+++ b/lib/pleroma/web/ostatus/handlers/unfollow_handler.ex
@@ -3,10 +3,10 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.OStatus.UnfollowHandler do
-  alias Pleroma.Web.XML
-  alias Pleroma.Web.OStatus
-  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.OStatus
+  alias Pleroma.Web.XML
 
   def handle(entry, doc) do
     with {:ok, actor} <- OStatus.find_make_or_update_user(doc),
diff --git a/lib/pleroma/web/ostatus/ostatus.ex b/lib/pleroma/web/ostatus/ostatus.ex
index b4f5761ac..266f86bf4 100644
--- a/lib/pleroma/web/ostatus/ostatus.ex
+++ b/lib/pleroma/web/ostatus/ostatus.ex
@@ -9,19 +9,19 @@ defmodule Pleroma.Web.OStatus do
   import Pleroma.Web.XML
   require Logger
 
+  alias Pleroma.Activity
+  alias Pleroma.Object
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web
-  alias Pleroma.Object
-  alias Pleroma.Activity
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
-  alias Pleroma.Web.WebFinger
-  alias Pleroma.Web.Websub
+  alias Pleroma.Web.OStatus.DeleteHandler
   alias Pleroma.Web.OStatus.FollowHandler
-  alias Pleroma.Web.OStatus.UnfollowHandler
   alias Pleroma.Web.OStatus.NoteHandler
-  alias Pleroma.Web.OStatus.DeleteHandler
+  alias Pleroma.Web.OStatus.UnfollowHandler
+  alias Pleroma.Web.WebFinger
+  alias Pleroma.Web.Websub
 
   def is_representable?(%Activity{data: data}) do
     object = Object.normalize(data["object"])
diff --git a/lib/pleroma/web/ostatus/ostatus_controller.ex b/lib/pleroma/web/ostatus/ostatus_controller.ex
index 4e963774a..0579a5f3d 100644
--- a/lib/pleroma/web/ostatus/ostatus_controller.ex
+++ b/lib/pleroma/web/ostatus/ostatus_controller.ex
@@ -9,13 +9,13 @@ defmodule Pleroma.Web.OStatus.OStatusController do
   alias Pleroma.Object
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.ActivityPub.ActivityPubController
   alias Pleroma.Web.ActivityPub.ObjectView
-  alias Pleroma.Web.OStatus.ActivityRepresenter
-  alias Pleroma.Web.OStatus.FeedRepresenter
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.Federator
   alias Pleroma.Web.OStatus
+  alias Pleroma.Web.OStatus.ActivityRepresenter
+  alias Pleroma.Web.OStatus.FeedRepresenter
   alias Pleroma.Web.XML
 
   plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])
diff --git a/lib/pleroma/web/push/impl.ex b/lib/pleroma/web/push/impl.ex
index 33f912d34..863573185 100644
--- a/lib/pleroma/web/push/impl.ex
+++ b/lib/pleroma/web/push/impl.ex
@@ -5,13 +5,13 @@
 defmodule Pleroma.Web.Push.Impl do
   @moduledoc "The module represents implementation push web notification"
 
-  alias Pleroma.Repo
-  alias Pleroma.User
   alias Pleroma.Activity
+  alias Pleroma.Notification
   alias Pleroma.Object
-  alias Pleroma.Web.Push.Subscription
+  alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.Metadata.Utils
-  alias Pleroma.Notification
+  alias Pleroma.Web.Push.Subscription
 
   require Logger
   import Ecto.Query
@@ -20,7 +20,10 @@ defmodule Pleroma.Web.Push.Impl do
 
   @doc "Performs sending notifications for user subscriptions"
   @spec perform_send(Notification.t()) :: list(any)
-  def perform_send(%{activity: %{data: %{"type" => activity_type}}, user_id: user_id} = notif)
+  def perform_send(
+        %{activity: %{data: %{"type" => activity_type}, id: activity_id}, user_id: user_id} =
+          notif
+      )
       when activity_type in @types do
     actor = User.get_cached_by_ap_id(notif.activity.data["actor"])
 
@@ -37,7 +40,10 @@ defmodule Pleroma.Web.Push.Impl do
         notification_id: notif.id,
         notification_type: type,
         icon: avatar_url,
-        preferred_locale: "en"
+        preferred_locale: "en",
+        pleroma: %{
+          activity_id: activity_id
+        }
       }
       |> Jason.encode!()
       |> push_message(build_sub(subscription), gcm_api_key, subscription)
diff --git a/lib/pleroma/web/push/push.ex b/lib/pleroma/web/push/push.ex
index 951dab535..5259e8e33 100644
--- a/lib/pleroma/web/push/push.ex
+++ b/lib/pleroma/web/push/push.ex
@@ -13,15 +13,15 @@ defmodule Pleroma.Web.Push do
   # Client API #
   ##############
 
-  def start_link() do
+  def start_link do
     GenServer.start_link(__MODULE__, :ok, name: __MODULE__)
   end
 
-  def vapid_config() do
+  def vapid_config do
     Application.get_env(:web_push_encryption, :vapid_details, [])
   end
 
-  def enabled() do
+  def enabled do
     case vapid_config() do
       [] -> false
       list when is_list(list) -> true
diff --git a/lib/pleroma/web/push/subscription.ex b/lib/pleroma/web/push/subscription.ex
index c90bd2bda..da301fbbc 100644
--- a/lib/pleroma/web/push/subscription.ex
+++ b/lib/pleroma/web/push/subscription.ex
@@ -82,8 +82,8 @@ defmodule Pleroma.Web.Push.Subscription do
   end
 
   # Some webpush clients (e.g. iOS Toot!) use an non urlsafe base64 as an encoding for the key.
-  # However, the web push rfs specify to use base64 urlsafe, and the `web_push_encryption` library we use
-  # requires the key to be properly encoded. So we just convert base64 to urlsafe base64.
+  # However, the web push rfs specify to use base64 urlsafe, and the `web_push_encryption` library
+  # we use requires the key to be properly encoded. So we just convert base64 to urlsafe base64.
   defp ensure_base64_urlsafe(string) do
     string
     |> String.replace("+", "-")
diff --git a/lib/pleroma/web/rich_media/helpers.ex b/lib/pleroma/web/rich_media/helpers.ex
index 8317a1162..92c61ff51 100644
--- a/lib/pleroma/web/rich_media/helpers.ex
+++ b/lib/pleroma/web/rich_media/helpers.ex
@@ -4,8 +4,8 @@
 
 defmodule Pleroma.Web.RichMedia.Helpers do
   alias Pleroma.Activity
-  alias Pleroma.Object
   alias Pleroma.HTML
+  alias Pleroma.Object
   alias Pleroma.Web.RichMedia.Parser
 
   defp validate_page_url(page_url) when is_binary(page_url) do
diff --git a/lib/pleroma/web/router.ex b/lib/pleroma/web/router.ex
index 7cf7794b3..d490b9b58 100644
--- a/lib/pleroma/web/router.ex
+++ b/lib/pleroma/web/router.ex
@@ -643,8 +643,8 @@ end
 
 defmodule Fallback.RedirectController do
   use Pleroma.Web, :controller
-  alias Pleroma.Web.Metadata
   alias Pleroma.User
+  alias Pleroma.Web.Metadata
 
   def redirector(conn, _params, code \\ 200) do
     conn
diff --git a/lib/pleroma/web/salmon/salmon.ex b/lib/pleroma/web/salmon/salmon.ex
index 0a69aa1ec..0a9e51656 100644
--- a/lib/pleroma/web/salmon/salmon.ex
+++ b/lib/pleroma/web/salmon/salmon.ex
@@ -9,8 +9,8 @@ defmodule Pleroma.Web.Salmon do
 
   alias Pleroma.Instances
   alias Pleroma.User
-  alias Pleroma.Web.XML
   alias Pleroma.Web.OStatus.ActivityRepresenter
+  alias Pleroma.Web.XML
 
   require Logger
 
@@ -86,10 +86,10 @@ defmodule Pleroma.Web.Salmon do
   # Native generation of RSA keys is only available since OTP 20+ and in default build conditions
   # We try at compile time to generate natively an RSA key otherwise we fallback on the old way.
   try do
-    _ = :public_key.generate_key({:rsa, 2048, 65537})
+    _ = :public_key.generate_key({:rsa, 2048, 65_537})
 
     def generate_rsa_pem do
-      key = :public_key.generate_key({:rsa, 2048, 65537})
+      key = :public_key.generate_key({:rsa, 2048, 65_537})
       entry = :public_key.pem_entry_encode(:RSAPrivateKey, key)
       pem = :public_key.pem_encode([entry]) |> String.trim_trailing()
       {:ok, pem}
diff --git a/lib/pleroma/web/streamer.ex b/lib/pleroma/web/streamer.ex
index ad888c361..5850a9579 100644
--- a/lib/pleroma/web/streamer.ex
+++ b/lib/pleroma/web/streamer.ex
@@ -5,12 +5,13 @@
 defmodule Pleroma.Web.Streamer do
   use GenServer
   require Logger
-  alias Pleroma.User
-  alias Pleroma.Notification
   alias Pleroma.Activity
+  alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.MastodonAPI.NotificationView
 
   @keepalive_interval :timer.seconds(30)
 
@@ -106,10 +107,10 @@ defmodule Pleroma.Web.Streamer do
         %{
           event: "notification",
           payload:
-            Pleroma.Web.MastodonAPI.MastodonAPIController.render_notification(
-              socket.assigns["user"],
-              item
-            )
+            NotificationView.render("show.json", %{
+              notification: item,
+              for: socket.assigns["user"]
+            })
             |> Jason.encode!()
         }
         |> Jason.encode!()
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index e2fdedb25..8ed02a93f 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -10,13 +10,13 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
   alias Comeonin.Pbkdf2
   alias Pleroma.Emoji
   alias Pleroma.PasswordResetToken
-  alias Pleroma.User
   alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web
+  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.OStatus
   alias Pleroma.Web.WebFinger
-  alias Pleroma.Web.ActivityPub.ActivityPub
 
   def show_password_reset(conn, %{"token" => token}) do
     with %{used: false} = token <- Repo.get_by(PasswordResetToken, %{token: token}),
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index dcb15b9a9..d57100491 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -3,16 +3,16 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
-  alias Pleroma.UserInviteToken
-  alias Pleroma.User
   alias Pleroma.Activity
-  alias Pleroma.Repo
+  alias Pleroma.Mailer
   alias Pleroma.Object
+  alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.UserEmail
-  alias Pleroma.Mailer
+  alias Pleroma.UserInviteToken
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.TwitterAPI.UserView
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.TwitterAPI.UserView
 
   import Ecto.Query
 
@@ -35,11 +35,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
 
   def unfollow(%User{} = follower, params) do
     with {:ok, %User{} = unfollowed} <- get_user(params),
-         {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
-         {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
+         {:ok, follower} <- CommonAPI.unfollow(follower, unfollowed) do
       {:ok, follower, unfollowed}
-    else
-      err -> err
     end
   end
 
@@ -133,7 +130,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   end
 
   def register_user(params) do
-    tokenString = params["token"]
+    token_string = params["token"]
 
     params = %{
       nickname: params["nickname"],
@@ -170,8 +167,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
 
       # no need to query DB if registration is open
       token =
-        unless registrations_open || is_nil(tokenString) do
-          Repo.get_by(UserInviteToken, %{token: tokenString})
+        unless registrations_open || is_nil(token_string) do
+          Repo.get_by(UserInviteToken, %{token: token_string})
         end
 
       cond do
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 5e4ebb8e8..6ea0b110b 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -8,23 +8,20 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   import Pleroma.Web.ControllerHelper, only: [json_response: 3]
 
   alias Ecto.Changeset
-  alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView, TokenView}
-  alias Pleroma.Web.CommonAPI
-  alias Pleroma.{Repo, Activity, Object, User, Notification}
-  alias Pleroma.Web.OAuth.Token
+  alias Pleroma.Activity
+  alias Pleroma.Notification
+  alias Pleroma.Object
+  alias Pleroma.Repo
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Visibility
-  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.TwitterAPI.ActivityView
   alias Pleroma.Web.TwitterAPI.NotificationView
+  alias Pleroma.Web.TwitterAPI.TokenView
   alias Pleroma.Web.TwitterAPI.TwitterAPI
   alias Pleroma.Web.TwitterAPI.UserView
-  alias Pleroma.Activity
-  alias Pleroma.Object
-  alias Pleroma.Notification
-  alias Pleroma.Repo
-  alias Pleroma.User
 
   require Logger
 
@@ -590,16 +587,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   def approve_friend_request(conn, %{"user_id" => uid} = _params) do
     with followed <- conn.assigns[:user],
          %User{} = follower <- Repo.get(User, uid),
-         {:ok, follower} <- User.maybe_follow(follower, followed),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
-         {:ok, _activity} <-
-           ActivityPub.accept(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Accept"
-           }) do
+         {:ok, follower} <- CommonAPI.accept_follow_request(follower, followed) do
       conn
       |> put_view(UserView)
       |> render("show.json", %{user: follower, for: followed})
@@ -611,15 +599,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   def deny_friend_request(conn, %{"user_id" => uid} = _params) do
     with followed <- conn.assigns[:user],
          %User{} = follower <- Repo.get(User, uid),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
-         {:ok, _activity} <-
-           ActivityPub.reject(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Reject"
-           }) do
+         {:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) do
       conn
       |> put_view(UserView)
       |> render("show.json", %{user: follower, for: followed})
diff --git a/lib/pleroma/web/twitter_api/views/activity_view.ex b/lib/pleroma/web/twitter_api/views/activity_view.ex
index 02ca4ee42..4926f007e 100644
--- a/lib/pleroma/web/twitter_api/views/activity_view.ex
+++ b/lib/pleroma/web/twitter_api/views/activity_view.ex
@@ -14,9 +14,9 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
   alias Pleroma.Web.CommonAPI.Utils
   alias Pleroma.Web.MastodonAPI.StatusView
   alias Pleroma.Web.TwitterAPI.ActivityView
+  alias Pleroma.Web.TwitterAPI.Representers.ObjectRepresenter
   alias Pleroma.Web.TwitterAPI.TwitterAPI
   alias Pleroma.Web.TwitterAPI.UserView
-  alias Pleroma.Web.TwitterAPI.Representers.ObjectRepresenter
 
   import Ecto.Query
   require Logger
diff --git a/lib/pleroma/web/web_finger/web_finger.ex b/lib/pleroma/web/web_finger/web_finger.ex
index 5ea5ae48e..32c3455f5 100644
--- a/lib/pleroma/web/web_finger/web_finger.ex
+++ b/lib/pleroma/web/web_finger/web_finger.ex
@@ -6,11 +6,11 @@ defmodule Pleroma.Web.WebFinger do
   @httpoison Application.get_env(:pleroma, :httpoison)
 
   alias Pleroma.User
-  alias Pleroma.XmlBuilder
   alias Pleroma.Web
-  alias Pleroma.Web.XML
-  alias Pleroma.Web.Salmon
   alias Pleroma.Web.OStatus
+  alias Pleroma.Web.Salmon
+  alias Pleroma.Web.XML
+  alias Pleroma.XmlBuilder
   require Jason
   require Logger
 
diff --git a/lib/pleroma/web/websub/websub.ex b/lib/pleroma/web/websub/websub.ex
index c00ec0858..3ffa6b416 100644
--- a/lib/pleroma/web/websub/websub.ex
+++ b/lib/pleroma/web/websub/websub.ex
@@ -6,14 +6,14 @@ defmodule Pleroma.Web.Websub do
   alias Ecto.Changeset
   alias Pleroma.Instances
   alias Pleroma.Repo
-  alias Pleroma.Web.Websub.WebsubServerSubscription
-  alias Pleroma.Web.Websub.WebsubClientSubscription
-  alias Pleroma.Web.OStatus.FeedRepresenter
-  alias Pleroma.Web.XML
   alias Pleroma.Web.Endpoint
+  alias Pleroma.Web.Federator
   alias Pleroma.Web.OStatus
+  alias Pleroma.Web.OStatus.FeedRepresenter
   alias Pleroma.Web.Router.Helpers
-  alias Pleroma.Web.Federator
+  alias Pleroma.Web.Websub.WebsubClientSubscription
+  alias Pleroma.Web.Websub.WebsubServerSubscription
+  alias Pleroma.Web.XML
   require Logger
 
   import Ecto.Query
@@ -200,8 +200,8 @@ defmodule Pleroma.Web.Websub do
          uri when not is_nil(uri) <- XML.string_from_xpath("/feed/author[1]/uri", doc),
          hub when not is_nil(hub) <- XML.string_from_xpath(~S{/feed/link[@rel="hub"]/@href}, doc) do
       name = XML.string_from_xpath("/feed/author[1]/name", doc)
-      preferredUsername = XML.string_from_xpath("/feed/author[1]/poco:preferredUsername", doc)
-      displayName = XML.string_from_xpath("/feed/author[1]/poco:displayName", doc)
+      preferred_username = XML.string_from_xpath("/feed/author[1]/poco:preferredUsername", doc)
+      display_name = XML.string_from_xpath("/feed/author[1]/poco:displayName", doc)
       avatar = OStatus.make_avatar_object(doc)
       bio = XML.string_from_xpath("/feed/author[1]/summary", doc)
 
@@ -209,8 +209,8 @@ defmodule Pleroma.Web.Websub do
        %{
          "uri" => uri,
          "hub" => hub,
-         "nickname" => preferredUsername || name,
-         "name" => displayName || name,
+         "nickname" => preferred_username || name,
+         "name" => display_name || name,
          "host" => URI.parse(uri).host,
          "avatar" => avatar,
          "bio" => bio
diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
index ad40f1b94..9e8b48b80 100644
--- a/lib/pleroma/web/websub/websub_controller.ex
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -7,8 +7,8 @@ defmodule Pleroma.Web.Websub.WebsubController do
 
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Web.Websub
   alias Pleroma.Web.Federator
+  alias Pleroma.Web.Websub
   alias Pleroma.Web.Websub.WebsubClientSubscription
 
   require Logger