X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fmastodon_api%2Fmastodon_api_controller.ex;h=71390be0df0dfc5a1d968925c872ff92a253e154;hb=d6ab701a14f7c9fb4d59953648c425e04725fc62;hp=e5d4245c412a4a6383005cbf445e60fe0b1175e2;hpb=b564c23d925ca43c00364541b042f856063d479e;p=akkoma

diff --git a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
index e5d4245c4..71390be0d 100644
--- a/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api_controller.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
   alias Pleroma.{Repo, Object, Activity, User, Notification, Stats}
+  alias Pleroma.Object.Fetcher
   alias Pleroma.Web
   alias Pleroma.Web.MastodonAPI.{StatusView, AccountView, MastodonView, ListView, FilterView}
   alias Pleroma.Web.ActivityPub.ActivityPub
@@ -32,73 +33,61 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def update_credentials(%{assigns: %{user: user}} = conn, params) do
-    original_user = user
-
-    params =
-      if bio = params["note"] do
-        Map.put(params, "bio", bio)
-      else
-        params
+  defp add_if_present(
+         map,
+         params,
+         params_field,
+         map_field,
+         value_function \\ fn x -> {:ok, x} end
+       ) do
+    if Map.has_key?(params, params_field) do
+      case value_function.(params[params_field]) do
+        {:ok, new_value} -> Map.put(map, map_field, new_value)
+        :error -> map
       end
+    else
+      map
+    end
+  end
 
-    params =
-      if name = params["display_name"] do
-        Map.put(params, "name", name)
-      else
-        params
-      end
+  def update_credentials(%{assigns: %{user: user}} = conn, params) do
+    original_user = user
 
-    user =
-      if avatar = params["avatar"] do
-        with %Plug.Upload{} <- avatar,
-             {:ok, object} <- ActivityPub.upload(avatar),
-             change = Ecto.Changeset.change(user, %{avatar: object.data}),
-             {:ok, user} = User.update_and_set_cache(change) do
-          user
+    user_params =
+      %{}
+      |> add_if_present(params, "display_name", :name)
+      |> add_if_present(params, "note", :bio, fn value -> {:ok, User.parse_bio(value)} end)
+      |> add_if_present(params, "avatar", :avatar, fn value ->
+        with %Plug.Upload{} <- value,
+             {:ok, object} <- ActivityPub.upload(value, type: :avatar) do
+          {:ok, object.data}
         else
-          _e -> user
+          _ -> :error
         end
-      else
-        user
-      end
+      end)
 
-    user =
-      if banner = params["header"] do
-        with %Plug.Upload{} <- banner,
-             {:ok, object} <- ActivityPub.upload(banner),
-             new_info <- Map.put(user.info, "banner", object.data),
-             change <- User.info_changeset(user, %{info: new_info}),
-             {:ok, user} <- User.update_and_set_cache(change) do
-          user
+    info_params =
+      %{}
+      |> add_if_present(params, "locked", :locked, fn value -> {:ok, value == "true"} end)
+      |> add_if_present(params, "header", :banner, fn value ->
+        with %Plug.Upload{} <- value,
+             {:ok, object} <- ActivityPub.upload(value, type: :banner) do
+          {:ok, object.data}
         else
-          _e -> user
+          _ -> :error
         end
-      else
-        user
-      end
+      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
+    info_cng = User.Info.mastodon_profile_update(user.info, info_params)
 
-    with changeset <- User.update_changeset(user, params),
+    with changeset <- User.update_changeset(user, user_params),
+         changeset <- Ecto.Changeset.put_embed(changeset, :info, info_cng),
          {: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
@@ -108,13 +97,13 @@ 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 ->
@@ -124,22 +113,23 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  @instance Application.get_env(:pleroma, :instance)
-  @mastodon_api_level "2.4.3"
+  @mastodon_api_level "2.5.0"
 
   def masto_instance(conn, _params) do
+    instance = Pleroma.Config.get(:instance)
+
     response = %{
       uri: Web.base_url(),
-      title: Keyword.get(@instance, :name),
-      description: Keyword.get(@instance, :description),
-      version: "#{@mastodon_api_level} (compatible; #{Keyword.get(@instance, :version)})",
-      email: Keyword.get(@instance, :email),
+      title: Keyword.get(instance, :name),
+      description: Keyword.get(instance, :description),
+      version: "#{@mastodon_api_level} (compatible; #{Pleroma.Application.named_version()})",
+      email: Keyword.get(instance, :email),
       urls: %{
         streaming_api: String.replace(Pleroma.Web.Endpoint.static_url(), "http", "ws")
       },
       stats: Stats.get_stats(),
       thumbnail: Web.base_url() <> "/instance/thumbnail.jpeg",
-      max_toot_chars: Keyword.get(@instance, :limit)
+      max_toot_chars: Keyword.get(instance, :limit)
     }
 
     json(conn, response)
@@ -150,7 +140,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   defp mastodonized_emoji do
-    Pleroma.Formatter.get_custom_emoji()
+    Pleroma.Emoji.get_all()
     |> Enum.map(fn {shortcode, relative_url} ->
       url = to_string(URI.merge(Web.base_url(), relative_url))
 
@@ -223,6 +213,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
     activities =
       ActivityPub.fetch_activities([user.ap_id | user.following], params)
+      |> ActivityPub.contain_timeline(user)
       |> Enum.reverse()
 
     conn
@@ -268,9 +259,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def dm_timeline(%{assigns: %{user: user}} = conn, _params) do
+  def dm_timeline(%{assigns: %{user: user}} = conn, params) do
     query =
-      ActivityPub.fetch_activities_query([user.ap_id], %{"type" => "Create", visibility: "direct"})
+      ActivityPub.fetch_activities_query(
+        [user.ap_id],
+        Map.merge(params, %{"type" => "Create", visibility: "direct"})
+      )
 
     activities = Repo.all(query)
 
@@ -282,7 +276,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   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
-      render(conn, StatusView, "status.json", %{activity: activity, for: user})
+      try_render(conn, StatusView, "status.json", %{activity: activity, for: user})
     end
   end
 
@@ -345,7 +339,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     {:ok, activity} =
       Cachex.fetch!(:idempotency_cache, idempotency_key, fn _ -> CommonAPI.post(user, params) end)
 
-    render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
+    try_render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
   end
 
   def delete_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
@@ -361,28 +355,28 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   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
-      render(conn, StatusView, "status.json", %{activity: announce, for: user, as: :activity})
+      try_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, _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})
+      try_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),
          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
-      render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
+      try_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),
          %Activity{} = activity <- Activity.get_create_activity_by_object_ap_id(id) do
-      render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
+      try_render(conn, StatusView, "status.json", %{activity: activity, for: user, as: :activity})
     end
   end
 
@@ -434,6 +428,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     render(conn, AccountView, "relationships.json", %{user: user, targets: targets})
   end
 
+  # Instead of returning a 400 when no "id" params is present, Mastodon returns an empty array.
+  def relationships(%{assigns: %{user: user}} = conn, _) do
+    conn
+    |> json([])
+  end
+
   def update_media(%{assigns: %{user: _}} = conn, data) do
     with %Object{} = object <- Repo.get(Object, data["id"]),
          true <- is_binary(data["description"]),
@@ -441,7 +441,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       new_data = %{object.data | "name" => description}
 
       change = Object.change(object, %{data: new_data})
-      {:ok, media_obj} = Repo.update(change)
+      {:ok, _} = Repo.update(change)
 
       data =
         new_data
@@ -452,19 +452,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   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})
+    with {:ok, object} <- ActivityPub.upload(file, description: Map.get(data, "description")) do
+      change = Object.change(object, %{data: object.data})
       {:ok, object} = Repo.update(change)
 
       objdata =
-        objdata
+        object.data
         |> Map.put("id", object.id)
 
       render(conn, StatusView, "attachment.json", %{attachment: objdata})
@@ -472,7 +465,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def favourited_by(conn, %{"id" => id}) do
-    with %Activity{data: %{"object" => %{"likes" => likes}}} <- Repo.get(Activity, id) do
+    with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
+         %Object{data: %{"likes" => likes}} <- Object.normalize(object) do
       q = from(u in User, where: u.ap_id in ^likes)
       users = Repo.all(q)
       render(conn, AccountView, "accounts.json", %{users: users, as: :user})
@@ -482,7 +476,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def reblogged_by(conn, %{"id" => id}) do
-    with %Activity{data: %{"object" => %{"announcements" => announces}}} <- Repo.get(Activity, id) do
+    with %Activity{data: %{"object" => object}} <- Repo.get(Activity, id),
+         %Object{data: %{"announcements" => announces}} <- Object.normalize(object) do
       q = from(u in User, where: u.ap_id in ^announces)
       users = Repo.all(q)
       render(conn, AccountView, "accounts.json", %{users: users, as: :user})
@@ -499,6 +494,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       |> Map.put("type", "Create")
       |> Map.put("local_only", local_only)
       |> Map.put("blocking_user", user)
+      |> Map.put("tag", String.downcase(params["tag"]))
 
     activities =
       ActivityPub.fetch_public_activities(params)
@@ -574,7 +570,13 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
     with %User{} = followed <- Repo.get(User, id),
          {:ok, follower} <- User.maybe_direct_follow(follower, followed),
-         {:ok, _activity} <- ActivityPub.follow(follower, followed) do
+         {:ok, _activity} <- ActivityPub.follow(follower, followed),
+         {:ok, follower, followed} <-
+           User.wait_and_refresh(
+             Pleroma.Config.get([:activitypub, :follow_handshake_timeout]),
+             follower,
+             followed
+           ) do
       render(conn, AccountView, "relationship.json", %{user: follower, target: followed})
     else
       {:error, message} ->
@@ -588,7 +590,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     with %User{} = followed <- Repo.get_by(User, nickname: uri),
          {: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
@@ -633,7 +635,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
 
   # TODO: Use proper query
   def blocks(%{assigns: %{user: user}} = conn, _) do
-    with blocked_users <- user.info["blocks"] || [],
+    with blocked_users <- user.info.blocks || [],
          accounts <- Enum.map(blocked_users, fn ap_id -> User.get_cached_by_ap_id(ap_id) end) do
       res = AccountView.render("accounts.json", users: accounts, for: user, as: :user)
       json(conn, res)
@@ -641,7 +643,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   end
 
   def domain_blocks(%{assigns: %{user: %{info: info}}} = conn, _) do
-    json(conn, info["domain_blocks"] || [])
+    json(conn, info.domain_blocks || [])
   end
 
   def block_domain(%{assigns: %{user: blocker}} = conn, %{"domain" => domain}) do
@@ -657,7 +659,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   def status_search(query) do
     fetched =
       if Regex.match?(~r/https?:/, query) do
-        with {:ok, object} <- ActivityPub.fetch_object_from_id(query) do
+        with {:ok, object} <- Fetcher.fetch_object_from_id(query) do
           [Activity.get_create_activity_by_object_ap_id(object.data["id"])]
         else
           _e -> []
@@ -765,6 +767,12 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     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
@@ -858,7 +866,11 @@ 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}))
+
+      limit = Pleroma.Config.get([:instance, :limit])
+
+      accounts =
+        Map.put(%{}, user.id, AccountView.render("account.json", %{user: user, for: user}))
 
       initial_state =
         %{
@@ -876,14 +888,14 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
             auto_play_gif: false,
             display_sensitive_media: false,
             reduce_motion: false,
-            max_toot_chars: Keyword.get(@instance, :limit)
+            max_toot_chars: limit
           },
           rights: %{
-            delete_others_notice: !!user.info["is_moderator"]
+            delete_others_notice: !!user.info.is_moderator
           },
           compose: %{
             me: "#{user.id}",
-            default_privacy: user.info["default_scope"] || "public",
+            default_privacy: user.info.default_scope,
             default_sensitive: false
           },
           media_attachments: %{
@@ -903,7 +915,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
             ]
           },
           settings:
-            Map.get(user.info, "settings") ||
+            Map.get(user.info, :settings) ||
               %{
                 onboarded: true,
                 home: %{
@@ -936,7 +948,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
           push_subscription: nil,
           accounts: accounts,
           custom_emojis: mastodon_emoji,
-          char_limit: Keyword.get(@instance, :limit)
+          char_limit: limit
         }
         |> Jason.encode!()
 
@@ -962,9 +974,31 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
+  def login(conn, %{"code" => code}) do
+    with {:ok, app} <- get_or_make_app(),
+         %Authorization{} = auth <- Repo.get_by(Authorization, token: code, app_id: app.id),
+         {:ok, token} <- Token.exchange_token(app, auth) do
+      conn
+      |> put_session(:oauth_token, token.token)
+      |> redirect(to: "/web/getting-started")
+    end
+  end
+
   def login(conn, _) do
-    conn
-    |> render(MastodonView, "login.html", %{error: false})
+    with {:ok, app} <- get_or_make_app() do
+      path =
+        o_auth_path(
+          conn,
+          :authorize,
+          response_type: "code",
+          client_id: app.client_id,
+          redirect_uri: ".",
+          scope: app.scopes
+        )
+
+      conn
+      |> redirect(to: path)
+    end
   end
 
   defp get_or_make_app() do
@@ -983,22 +1017,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def login_post(conn, %{"authorization" => %{"name" => name, "password" => password}}) do
-    with %User{} = user <- User.get_by_nickname_or_email(name),
-         true <- Pbkdf2.checkpw(password, user.password_hash),
-         {:ok, app} <- get_or_make_app(),
-         {:ok, auth} <- Authorization.create_authorization(app, user),
-         {:ok, token} <- Token.exchange_token(app, auth) do
-      conn
-      |> put_session(:oauth_token, token.token)
-      |> redirect(to: "/web/getting-started")
-    else
-      _e ->
-        conn
-        |> render(MastodonView, "login.html", %{error: "Wrong username or password"})
-    end
-  end
-
   def logout(conn, _) do
     conn
     |> clear_session
@@ -1038,7 +1056,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
           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})
         }
 
@@ -1049,7 +1067,7 @@ 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})
         }
 
@@ -1060,7 +1078,7 @@ 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})
         }
 
@@ -1069,7 +1087,7 @@ 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})
         }
 
       _ ->
@@ -1077,7 +1095,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def get_filters(%{assigns: %{user: user}} = conn, params) do
+  def get_filters(%{assigns: %{user: user}} = conn, _) do
     filters = Pleroma.Filter.get_filters(user)
     res = FilterView.render("filters.json", filters: filters)
     json(conn, res)
@@ -1101,7 +1119,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, res)
   end
 
-  def get_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id} = params) do
+  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)
@@ -1126,13 +1144,13 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     json(conn, res)
   end
 
-  def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id} = params) do
+  def delete_filter(%{assigns: %{user: user}} = conn, %{"id" => filter_id}) do
     query = %Pleroma.Filter{
       user_id: user.id,
       filter_id: filter_id
     }
 
-    {:ok, response} = Pleroma.Filter.delete(query)
+    {:ok, _} = Pleroma.Filter.delete(query)
     json(conn, %{})
   end
 
@@ -1142,18 +1160,15 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     |> 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)
+    suggestions = Pleroma.Config.get(:suggestions)
 
-      host =
-        Application.get_env(:pleroma, Pleroma.Web.Endpoint)
-        |> Keyword.get(:url)
-        |> Keyword.get(:host)
+    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 = Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
 
       user = user.nickname
       url = String.replace(api, "{{host}}", host) |> String.replace("{{user}}", user)
@@ -1190,7 +1205,22 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
     end
   end
 
-  def filters(conn, _) do
-    json(conn, [])
+  def try_render(conn, renderer, target, params)
+      when is_binary(target) do
+    res = render(conn, renderer, target, params)
+
+    if res == nil do
+      conn
+      |> put_status(501)
+      |> json(%{error: "Can't display this activity"})
+    else
+      res
+    end
+  end
+
+  def try_render(conn, _, _, _) do
+    conn
+    |> put_status(501)
+    |> json(%{error: "Can't display this activity"})
   end
 end