Merge branch 'pleroma-list-belongs' into 'develop'
[akkoma] / lib / pleroma / web / mastodon_api / mastodon_api_controller.ex
index 5475cb505db40749f1a3bfae4b45d5e3ce8bc940..cbda069df9c1c02fc46273aaa06465d07373ca15 100644 (file)
@@ -1,22 +1,31 @@
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
-  alias Pleroma.{Repo, Activity, User, Notification, Stats}
+  alias Pleroma.{Repo, Object, Activity, User, Notification, Stats}
   alias Pleroma.Web
-  alias Pleroma.Web.MastodonAPI.{StatusView, AccountView, MastodonView}
+  alias Pleroma.Web.MastodonAPI.{StatusView, AccountView, MastodonView, ListView, FilterView}
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.{CommonAPI, OStatus}
+  alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.OAuth.{Authorization, Token, App}
+  alias Pleroma.Web.MediaProxy
   alias Comeonin.Pbkdf2
   import Ecto.Query
   require Logger
 
+  @httpoison Application.get_env(:pleroma, :httpoison)
+
+  action_fallback(:errors)
+
   def create_app(conn, params) do
     with cs <- App.register_changeset(%App{}, params) |> IO.inspect(),
          {:ok, app} <- Repo.insert(cs) |> IO.inspect() do
       res = %{
-        id: app.id,
+        id: app.id |> to_string,
+        name: app.client_name,
         client_id: app.client_id,
-        client_secret: app.client_secret
+        client_secret: app.client_secret,
+        redirect_uri: app.redirect_uris,
+        website: app.website
       }
 
       json(conn, res)
@@ -69,13 +78,27 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
         user
       end
 
+    user =
+      if locked = params["locked"] do
+        with locked <- locked == "true",
+             new_info <- Map.put(user.info, "locked", locked),
+             change <- User.info_changeset(user, %{info: new_info}),
+             {:ok, user} <- User.update_and_set_cache(change) do
+          user
+        else
+          _e -> user
+        end
+      else
+        user
+      end
+
     with changeset <- User.update_changeset(user, params),
          {:ok, user} <- User.update_and_set_cache(changeset) do
       if original_user != user do
         CommonAPI.update(user)
       end
 
-      json(conn, AccountView.render("account.json", %{user: user}))
+      json(conn, AccountView.render("account.json", %{user: user, for: user}))
     else
       _e ->
         conn
@@ -85,13 +108,13 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def verify_credentials(%{assigns: %{user: user}} = conn, _) do
-    account = AccountView.render("account.json", %{user: user})
+    account = AccountView.render("account.json", %{user: user, for: user})
     json(conn, account)
   end
 
-  def user(conn, %{"id" => id}) do
+  def user(%{assigns: %{user: for_user}} = conn, %{"id" => id}) do
     with %User{} = user <- Repo.get(User, id) do
-      account = AccountView.render("account.json", %{user: user})
+      account = AccountView.render("account.json", %{user: user, for: for_user})
       json(conn, account)
     else
       _e ->
@@ -102,13 +125,13 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   @instance Application.get_env(:pleroma, :instance)
-  @mastodon_api_level "2.3.3"
+  @mastodon_api_level "2.5.0"
 
   def masto_instance(conn, _params) do
     response = %{
       uri: Web.base_url(),
       title: Keyword.get(@instance, :name),
-      description: "A Pleroma instance, an alternative fediverse server",
+      description: Keyword.get(@instance, :description),
       version: "#{@mastodon_api_level} (compatible; #{Keyword.get(@instance, :version)})",
       email: Keyword.get(@instance, :email),
       urls: %{
@@ -134,6 +157,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       %{
         "shortcode" => shortcode,
         "static_url" => url,
+        "visible_in_picker" => true,
         "url" => url
       }
     end)
@@ -144,7 +168,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, mastodon_emoji)
   end
 
-  defp add_link_headers(conn, method, activities, param \\ false) do
+  defp add_link_headers(conn, method, activities, param \\ nil, params \\ %{}) do
     last = List.last(activities)
     first = List.first(activities)
 
@@ -155,13 +179,31 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       {next_url, prev_url} =
         if param do
           {
-            mastodon_api_url(Pleroma.Web.Endpoint, method, param, max_id: min),
-            mastodon_api_url(Pleroma.Web.Endpoint, method, param, since_id: max)
+            mastodon_api_url(
+              Pleroma.Web.Endpoint,
+              method,
+              param,
+              Map.merge(params, %{max_id: min})
+            ),
+            mastodon_api_url(
+              Pleroma.Web.Endpoint,
+              method,
+              param,
+              Map.merge(params, %{since_id: max})
+            )
           }
         else
           {
-            mastodon_api_url(Pleroma.Web.Endpoint, method, max_id: min),
-            mastodon_api_url(Pleroma.Web.Endpoint, method, since_id: max)
+            mastodon_api_url(
+              Pleroma.Web.Endpoint,
+              method,
+              Map.merge(params, %{max_id: min})
+            ),
+            mastodon_api_url(
+              Pleroma.Web.Endpoint,
+              method,
+              Map.merge(params, %{since_id: max})
+            )
           }
         end
 
@@ -189,10 +231,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def public_timeline(%{assigns: %{user: user}} = conn, params) do
+    local_only = params["local"] in [true, "True", "true", "1"]
+
     params =
       params
       |> Map.put("type", ["Create", "Announce"])
-      |> Map.put("local_only", params["local"] in [true, "True", "true", "1"])
+      |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
 
     activities =
@@ -200,33 +244,41 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       |> Enum.reverse()
 
     conn
-    |> add_link_headers(:public_timeline, activities)
+    |> add_link_headers(:public_timeline, activities, false, %{"local" => local_only})
     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
   end
 
-  def user_statuses(%{assigns: %{user: user}} = conn, params) do
-    with %User{ap_id: ap_id} <- Repo.get(User, params["id"]) do
-      params =
-        params
-        |> Map.put("type", ["Create", "Announce"])
-        |> Map.put("actor_id", ap_id)
-        |> Map.put("whole_db", true)
-
+  def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
+    with %User{} = user <- Repo.get(User, params["id"]) do
+      # Since Pleroma has no "pinned" posts feature, we'll just set an empty list here
       activities =
         if params["pinned"] == "true" do
-          # Since Pleroma has no "pinned" posts feature, we'll just set an empty list here
           []
         else
-          ActivityPub.fetch_public_activities(params)
-          |> Enum.reverse()
+          ActivityPub.fetch_user_activities(user, reading_user, params)
         end
 
       conn
       |> add_link_headers(:user_statuses, activities, params["id"])
-      |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
+      |> render(StatusView, "index.json", %{
+        activities: activities,
+        for: reading_user,
+        as: :activity
+      })
     end
   end
 
+  def dm_timeline(%{assigns: %{user: user}} = conn, _params) do
+    query =
+      ActivityPub.fetch_activities_query([user.ap_id], %{"type" => "Create", visibility: "direct"})
+
+    activities = Repo.all(query)
+
+    conn
+    |> add_link_headers(:dm_timeline, activities)
+    |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
+  end
+
   def get_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
     with %Activity{} = activity <- Repo.get(Activity, id),
          true <- ActivityPub.visible_for_user?(activity, user) do
@@ -269,6 +321,15 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def post_status(conn, %{"status" => "", "media_ids" => media_ids} = params)
+      when length(media_ids) > 0 do
+    params =
+      params
+      |> Map.put("status", ".")
+
+    post_status(conn, params)
+  end
+
   def post_status(%{assigns: %{user: user}} = conn, %{"status" => _} = params) do
     params =
       params
@@ -282,11 +343,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       end
 
     {:ok, activity} =
-      Cachex.get!(
-        :idempotency_cache,
-        idempotency_key,
-        fallback: fn _ -> CommonAPI.post(user, params) end
-      )
+      Cachex.fetch!(:idempotency_cache, idempotency_key, fn _ -> CommonAPI.post(user, params) end)
 
     render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
   end
@@ -303,27 +360,27 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def reblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
-    with {:ok, announce, _activity} = CommonAPI.repeat(ap_id_or_id, user) do
+    with {:ok, announce, _activity} <- CommonAPI.repeat(ap_id_or_id, user) do
       render(conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity})
     end
   end
 
   def unreblog_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
-    with {:ok, _, _, %{data: %{"id" => id}}} = CommonAPI.unrepeat(ap_id_or_id, user),
+    with {:ok, _unannounce, %{data: %{"id" => id}}} <- CommonAPI.unrepeat(ap_id_or_id, user),
          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
       render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
     end
   end
 
   def fav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
-    with {:ok, _fav, %{data: %{"id" => id}}} = CommonAPI.favorite(ap_id_or_id, user),
+    with {:ok, _fav, %{data: %{"id" => id}}} <- CommonAPI.favorite(ap_id_or_id, user),
          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
       render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
     end
   end
 
   def unfav_status(%{assigns: %{user: user}} = conn, %{"id" => ap_id_or_id}) do
-    with {:ok, %{data: %{"id" => id}}} = CommonAPI.unfavorite(ap_id_or_id, user),
+    with {:ok, _, _, %{data: %{"id" => id}}} <- CommonAPI.unfavorite(ap_id_or_id, user),
          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
       render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
     end
@@ -377,16 +434,43 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     render(conn, AccountView, "relationships.json", %{user: user, targets: targets})
   end
 
-  def upload(%{assigns: %{user: _}} = conn, %{"file" => file}) do
-    with {:ok, object} <- ActivityPub.upload(file) do
+  def update_media(%{assigns: %{user: _}} = conn, data) do
+    with %Object{} = object <- Repo.get(Object, data["id"]),
+         true <- is_binary(data["description"]),
+         description <- data["description"] do
+      new_data = %{object.data | "name" => description}
+
+      change = Object.change(object, %{data: new_data})
+      {:ok, _} = Repo.update(change)
+
       data =
-        object.data
+        new_data
         |> Map.put("id", object.id)
 
       render(conn, StatusView, "attachment.json", %{attachment: data})
     end
   end
 
+  def upload(%{assigns: %{user: _}} = conn, %{"file" => file} = data) do
+    with {:ok, object} <- ActivityPub.upload(file) do
+      objdata =
+        if Map.has_key?(data, "description") do
+          Map.put(object.data, "name", data["description"])
+        else
+          object.data
+        end
+
+      change = Object.change(object, %{data: objdata})
+      {:ok, object} = Repo.update(change)
+
+      objdata =
+        objdata
+        |> Map.put("id", object.id)
+
+      render(conn, StatusView, "attachment.json", %{attachment: objdata})
+    end
+  end
+
   def favourited_by(conn, %{"id" => id}) do
     with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
       q = from(u in User, where: u.ap_id in ^likes)
@@ -408,10 +492,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
+    local_only = params["local"] in [true, "True", "true", "1"]
+
     params =
       params
       |> Map.put("type", "Create")
-      |> Map.put("local_only", !!params["local"])
+      |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
 
     activities =
@@ -419,7 +505,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       |> Enum.reverse()
 
     conn
-    |> add_link_headers(:hashtag_timeline, activities, params["tag"])
+    |> add_link_headers(:hashtag_timeline, activities, params["tag"], %{"local" => local_only})
     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
   end
 
@@ -438,10 +524,62 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def follow_requests(%{assigns: %{user: followed}} = conn, _params) do
+    with {:ok, follow_requests} <- User.get_follow_requests(followed) do
+      render(conn, AccountView, "accounts.json", %{users: follow_requests, as: :user})
+    end
+  end
+
+  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.ap_id,
+             object: follow_activity.data["id"],
+             type: "Accept"
+           }) do
+      render(conn, AccountView, "relationship.json", %{user: followed, target: follower})
+    else
+      {:error, message} ->
+        conn
+        |> put_resp_content_type("application/json")
+        |> send_resp(403, Jason.encode!(%{"error" => message}))
+    end
+  end
+
+  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.ap_id,
+             object: follow_activity.data["id"],
+             type: "Reject"
+           }) do
+      render(conn, AccountView, "relationship.json", %{user: followed, target: follower})
+    else
+      {:error, message} ->
+        conn
+        |> put_resp_content_type("application/json")
+        |> send_resp(403, Jason.encode!(%{"error" => message}))
+    end
+  end
+
+  @activitypub Application.get_env(:pleroma, :activitypub)
+  @follow_handshake_timeout Keyword.get(@activitypub, :follow_handshake_timeout)
+
   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
     with %User{} = followed <- Repo.get(User, id),
-         {:ok, follower} <- User.follow(follower, followed),
-         {:ok, _activity} <- ActivityPub.follow(follower, followed) do
+         {:ok, follower} <- User.maybe_direct_follow(follower, followed),
+         {:ok, _activity} <- ActivityPub.follow(follower, followed),
+         {:ok, follower, followed} <-
+           User.wait_and_refresh(@follow_handshake_timeout, follower, followed) do
       render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
     else
       {:error, message} ->
@@ -453,9 +591,9 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
     with %User{} = followed <- Repo.get_by(User, nickname: uri),
-         {:ok, follower} <- User.follow(follower, followed),
+         {:ok, follower} <- User.maybe_direct_follow(follower, followed),
          {:ok, _activity} <- ActivityPub.follow(follower, followed) do
-      render(conn, AccountView, "account.json", %{user: followed})
+      render(conn, AccountView, "account.json", %{user: followed, for: follower})
     else
       {:error, message} ->
         conn
@@ -464,24 +602,18 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  # TODO: Clean up and unify
   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
     with %User{} = followed <- Repo.get(User, id),
-         {:ok, follower, follow_activity} <- User.unfollow(follower, followed),
-         {:ok, _activity} <-
-           ActivityPub.insert(%{
-             "type" => "Undo",
-             "actor" => follower.ap_id,
-             # get latest Follow for these users
-             "object" => follow_activity.data["id"]
-           }) do
+         {:ok, _activity} <- ActivityPub.unfollow(follower, followed),
+         {:ok, follower, _} <- User.unfollow(follower, followed) do
       render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
     end
   end
 
   def block(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
     with %User{} = blocked <- Repo.get(User, id),
-         {:ok, blocker} <- User.block(blocker, blocked) do
+         {:ok, blocker} <- User.block(blocker, blocked),
+         {:ok, _activity} <- ActivityPub.block(blocker, blocked) do
       render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
     else
       {:error, message} ->
@@ -493,7 +625,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   def unblock(%{assigns: %{user: blocker}} = conn, %{"id" => id}) do
     with %User{} = blocked <- Repo.get(User, id),
-         {:ok, blocker} <- User.unblock(blocker, blocked) do
+         {:ok, blocker} <- User.unblock(blocker, blocked),
+         {:ok, _activity} <- ActivityPub.unblock(blocker, blocked) do
       render(conn, AccountView, "relationship.json", %{user: blocker, target: blocked})
     else
       {:error, message} ->
@@ -512,17 +645,25 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
-    accounts = User.search(query, params["resolve"] == "true")
+  def domain_blocks(%{assigns: %{user: %{info: info}}} = conn, _) do
+    json(conn, info["domain_blocks"] || [])
+  end
 
+  def block_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
+    User.block_domain(blocker, domain)
+    json(conn, %{})
+  end
+
+  def unblock_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
+    User.unblock_domain(blocker, domain)
+    json(conn, %{})
+  end
+
+  def status_search(query) do
     fetched =
       if Regex.match?(~r/https?:/, query) do
-        with {:ok, activities} <- OStatus.fetch_activity_from_url(query) do
-          activities
-          |> Enum.filter(fn
-            %{data: %{"type" => "Create"}} -> true
-            _ -> false
-          end)
+        with {:ok, object} <- ActivityPub.fetch_object_from_id(query) do
+          [Activity.get_create_activity_by_object_ap_id(object.data["id"])]
         else
           _e -> []
         end
@@ -543,7 +684,37 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
         order_by: [desc: :id]
       )
 
-    statuses = Repo.all(q) ++ fetched
+    Repo.all(q) ++ fetched
+  end
+
+  def search2(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
+    accounts = User.search(query, params["resolve"] == "true")
+
+    statuses = status_search(query)
+
+    tags_path = Web.base_url() <> "/tag/"
+
+    tags =
+      String.split(query)
+      |> Enum.uniq()
+      |> Enum.filter(fn tag -> String.starts_with?(tag, "#") end)
+      |> Enum.map(fn tag -> String.slice(tag, 1..-1) end)
+      |> Enum.map(fn tag -> %{name: tag, url: tags_path <> tag} end)
+
+    res = %{
+      "accounts" => AccountView.render("accounts.json", users: accounts, for: user, as: :user),
+      "statuses" =>
+        StatusView.render("index.json", activities: statuses, for: user, as: :activity),
+      "hashtags" => tags
+    }
+
+    json(conn, res)
+  end
+
+  def search(%{assigns: %{user: user}} = conn, %{"q" => query} = params) do
+    accounts = User.search(query, params["resolve"] == "true")
+
+    statuses = status_search(query)
 
     tags =
       String.split(query)
@@ -584,6 +755,113 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
   end
 
+  def get_lists(%{assigns: %{user: user}} = conn, opts) do
+    lists = Pleroma.List.for_user(user, opts)
+    res = ListView.render("lists.json", lists: lists)
+    json(conn, res)
+  end
+
+  def get_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    with %Pleroma.List{} = list <- Pleroma.List.get(id, user) do
+      res = ListView.render("list.json", list: list)
+      json(conn, res)
+    else
+      _e -> json(conn, "error")
+    end
+  end
+
+  def account_lists(%{assigns: %{user: user}} = conn, %{"id" => account_id}) do
+    lists = Pleroma.List.get_lists_account_belongs(user, account_id)
+    res = ListView.render("lists.json", lists: lists)
+    json(conn, res)
+  end
+
+  def delete_list(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
+         {:ok, _list} <- Pleroma.List.delete(list) do
+      json(conn, %{})
+    else
+      _e ->
+        json(conn, "error")
+    end
+  end
+
+  def create_list(%{assigns: %{user: user}} = conn, %{"title" => title}) do
+    with {:ok, %Pleroma.List{} = list} <- Pleroma.List.create(title, user) do
+      res = ListView.render("list.json", list: list)
+      json(conn, res)
+    end
+  end
+
+  def add_to_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
+    accounts
+    |> Enum.each(fn account_id ->
+      with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
+           %User{} = followed <- Repo.get(User, account_id) do
+        Pleroma.List.follow(list, followed)
+      end
+    end)
+
+    json(conn, %{})
+  end
+
+  def remove_from_list(%{assigns: %{user: user}} = conn, %{"id" => id, "account_ids" => accounts}) do
+    accounts
+    |> Enum.each(fn account_id ->
+      with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
+           %User{} = followed <- Repo.get(Pleroma.User, account_id) do
+        Pleroma.List.unfollow(list, followed)
+      end
+    end)
+
+    json(conn, %{})
+  end
+
+  def list_accounts(%{assigns: %{user: user}} = conn, %{"id" => id}) do
+    with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
+         {:ok, users} = Pleroma.List.get_following(list) do
+      render(conn, AccountView, "accounts.json", %{users: users, as: :user})
+    end
+  end
+
+  def rename_list(%{assigns: %{user: user}} = conn, %{"id" => id, "title" => title}) do
+    with %Pleroma.List{} = list <- Pleroma.List.get(id, user),
+         {:ok, list} <- Pleroma.List.rename(list, title) do
+      res = ListView.render("list.json", list: list)
+      json(conn, res)
+    else
+      _e ->
+        json(conn, "error")
+    end
+  end
+
+  def list_timeline(%{assigns: %{user: user}} = conn, %{"list_id" => id} = params) do
+    with %Pleroma.List{title: title, following: following} <- Pleroma.List.get(id, user) do
+      params =
+        params
+        |> Map.put("type", "Create")
+        |> Map.put("blocking_user", user)
+
+      # we must filter the following list for the user to avoid leaking statuses the user
+      # does not actually have permission to see (for more info, peruse security issue #270).
+      following_to =
+        following
+        |> Enum.filter(fn x -> x in user.following end)
+
+      activities =
+        ActivityPub.fetch_activities_bounded(following_to, following, params)
+        |> Enum.reverse()
+
+      conn
+      |> render(StatusView, "index.json", %{activities: activities, for: user, as: :activity})
+    else
+      _e ->
+        conn
+        |> put_status(403)
+        |> json(%{error: "Error."})
+    end
+  end
+
   def index(%{assigns: %{user: user}} = conn, _params) do
     token =
       conn
@@ -591,7 +869,9 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
     if user && token do
       mastodon_emoji = mastodonized_emoji()
-      accounts = Map.put(%{}, user.id, AccountView.render("account.json", %{user: user}))
+
+      accounts =
+        Map.put(%{}, user.id, AccountView.render("account.json", %{user: user, for: user}))
 
       initial_state =
         %{
@@ -607,11 +887,16 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
             boost_modal: false,
             delete_modal: true,
             auto_play_gif: false,
-            reduce_motion: false
+            display_sensitive_media: false,
+            reduce_motion: false,
+            max_toot_chars: Keyword.get(@instance, :limit)
+          },
+          rights: %{
+            delete_others_notice: !!user.info["is_moderator"]
           },
           compose: %{
             me: "#{user.id}",
-            default_privacy: "public",
+            default_privacy: user.info["default_scope"] || "public",
             default_sensitive: false
           },
           media_attachments: %{
@@ -758,13 +1043,15 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       NaiveDateTime.to_iso8601(created_at)
       |> String.replace(~r/(\.\d+)?$/, ".000Z", global: false)
 
+    id = id |> to_string
+
     case activity.data["type"] do
       "Create" ->
         %{
           id: id,
           type: "mention",
           created_at: created_at,
-          account: AccountView.render("account.json", %{user: actor}),
+          account: AccountView.render("account.json", %{user: actor, for: user}),
           status: StatusView.render("status.json", %{activity: activity, for: user})
         }
 
@@ -775,7 +1062,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
           id: id,
           type: "favourite",
           created_at: created_at,
-          account: AccountView.render("account.json", %{user: actor}),
+          account: AccountView.render("account.json", %{user: actor, for: user}),
           status: StatusView.render("status.json", %{activity: liked_activity, for: user})
         }
 
@@ -786,7 +1073,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
           id: id,
           type: "reblog",
           created_at: created_at,
-          account: AccountView.render("account.json", %{user: actor}),
+          account: AccountView.render("account.json", %{user: actor, for: user}),
           status: StatusView.render("status.json", %{activity: announced_activity, for: user})
         }
 
@@ -795,11 +1082,124 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
           id: id,
           type: "follow",
           created_at: created_at,
-          account: AccountView.render("account.json", %{user: actor})
+          account: AccountView.render("account.json", %{user: actor, for: user})
         }
 
       _ ->
         nil
     end
   end
+
+  def get_filters(%{assigns: %{user: user}} = conn, _) do
+    filters = Pleroma.Filter.get_filters(user)
+    res = FilterView.render("filters.json", filters: filters)
+    json(conn, res)
+  end
+
+  def create_filter(
+        %{assigns: %{user: user}} = conn,
+        %{"phrase" => phrase, "context" => context} = params
+      ) do
+    query = %Pleroma.Filter{
+      user_id: user.id,
+      phrase: phrase,
+      context: context,
+      hide: Map.get(params, "irreversible", nil),
+      whole_word: Map.get(params, "boolean", true)
+      # expires_at
+    }
+
+    {:ok, response} = Pleroma.Filter.create(query)
+    res = FilterView.render("filter.json", filter: response)
+    json(conn, res)
+  end
+
+  def get_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
+    filter = Pleroma.Filter.get(filter_id, user)
+    res = FilterView.render("filter.json", filter: filter)
+    json(conn, res)
+  end
+
+  def update_filter(
+        %{assigns: %{user: user}} = conn,
+        %{"phrase" => phrase, "context" => context, "id" => filter_id} = params
+      ) do
+    query = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: filter_id,
+      phrase: phrase,
+      context: context,
+      hide: Map.get(params, "irreversible", nil),
+      whole_word: Map.get(params, "boolean", true)
+      # expires_at
+    }
+
+    {:ok, response} = Pleroma.Filter.update(query)
+    res = FilterView.render("filter.json", filter: response)
+    json(conn, res)
+  end
+
+  def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
+    query = %Pleroma.Filter{
+      user_id: user.id,
+      filter_id: filter_id
+    }
+
+    {:ok, _} = Pleroma.Filter.delete(query)
+    json(conn, %{})
+  end
+
+  def errors(conn, _) do
+    conn
+    |> put_status(500)
+    |> json("Something went wrong")
+  end
+
+  @suggestions Application.get_env(:pleroma, :suggestions)
+
+  def suggestions(%{assigns: %{user: user}} = conn, _) do
+    if Keyword.get(@suggestions, :enabled, false) do
+      api = Keyword.get(@suggestions, :third_party_engine, "")
+      timeout = Keyword.get(@suggestions, :timeout, 5000)
+      limit = Keyword.get(@suggestions, :limit, 23)
+
+      host =
+        Application.get_env(:pleroma, Pleroma.Web.Endpoint)
+        |> Keyword.get(:url)
+        |> Keyword.get(:host)
+
+      user = user.nickname
+      url = String.replace(api, "{{host}}", host) |> String.replace("{{user}}", user)
+
+      with {:ok, %{status_code: 200, body: body}} <-
+             @httpoison.get(url, [], timeout: timeout, recv_timeout: timeout),
+           {:ok, data} <- Jason.decode(body) do
+        data2 =
+          Enum.slice(data, 0, limit)
+          |> Enum.map(fn x ->
+            Map.put(
+              x,
+              "id",
+              case User.get_or_fetch(x["acct"]) do
+                %{id: id} -> id
+                _ -> 0
+              end
+            )
+          end)
+          |> Enum.map(fn x ->
+            Map.put(x, "avatar", MediaProxy.url(x["avatar"]))
+          end)
+          |> Enum.map(fn x ->
+            Map.put(x, "avatar_static", MediaProxy.url(x["avatar_static"]))
+          end)
+
+        conn
+        |> json(data2)
+      else
+        e -> Logger.error("Could not retrieve suggestions at fetch #{url}, #{inspect(e)}")
+      end
+    else
+      json(conn, [])
+    end
+  end
 end