reply filtering

[akkoma] / lib / pleroma / web / mastodon_api / controllers / timeline_controller.ex

diff --git a/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex b/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
index 384159336c5a46e9572f95e4cce6cb8bce25e5f5..a2ac9301e7ba2297a3a7ff78e7f8fe4a91060d97 100644 (file)
--- a/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/timeline_controller.ex
@@ -1,22 +1,32 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MastodonAPI.TimelineController do
   use Pleroma.Web, :controller
 
   import Pleroma.Web.ControllerHelper,
-    only: [add_link_headers: 2, add_link_headers: 3, truthy_param?: 1]
+    only: [add_link_headers: 2, add_link_headers: 3, truthy_param?: 1, skip_relationships?: 1]
 
   alias Pleroma.Pagination
   alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.Plugs.RateLimiter
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
 
+  # TODO: Replace with a macro when there is a Phoenix release with the following commit in it:
+  # https://github.com/phoenixframework/phoenix/commit/2e8c63c01fec4dde5467dbbbf9705ff9e780735e
+
+  plug(RateLimiter, [name: :timeline, bucket_name: :direct_timeline] when action == :direct)
+  plug(RateLimiter, [name: :timeline, bucket_name: :public_timeline] when action == :public)
+  plug(RateLimiter, [name: :timeline, bucket_name: :home_timeline] when action == :home)
+  plug(RateLimiter, [name: :timeline, bucket_name: :hashtag_timeline] when action == :hashtag)
+  plug(RateLimiter, [name: :timeline, bucket_name: :list_timeline] when action == :list)
+
   plug(OAuthScopesPlug, %{scopes: ["read:statuses"]} when action in [:home, :direct])
   plug(OAuthScopesPlug, %{scopes: ["read:lists"]} when action == :list)
 
-  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
+  plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug when action != :public)
 
   plug(:put_view, Pleroma.Web.MastodonAPI.StatusView)
 
@@ -38,7 +48,12 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
 
     conn
     |> add_link_headers(activities)
-    |> render("index.json", activities: activities, for: user, as: :activity)
+    |> render("index.json",
+      activities: activities,
+      for: user,
+      as: :activity,
+      skip_relationships: skip_relationships?(params)
+    )
   end
 
   # GET /api/v1/timelines/direct
@@ -57,30 +72,51 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
 
     conn
     |> add_link_headers(activities)
-    |> render("index.json", activities: activities, for: user, as: :activity)
+    |> render("index.json",
+      activities: activities,
+      for: user,
+      as: :activity,
+      skip_relationships: skip_relationships?(params)
+    )
   end
 
   # GET /api/v1/timelines/public
   def public(%{assigns: %{user: user}} = conn, params) do
     local_only = truthy_param?(params["local"])
 
-    activities =
-      params
-      |> Map.put("type", ["Create", "Announce"])
-      |> Map.put("local_only", local_only)
-      |> Map.put("blocking_user", user)
-      |> Map.put("muting_user", user)
-      |> ActivityPub.fetch_public_activities()
+    cfg_key =
+      if local_only do
+        :local
+      else
+        :federated
+      end
 
-    conn
-    |> add_link_headers(activities, %{"local" => local_only})
-    |> render("index.json", activities: activities, for: user, as: :activity)
-  end
+    restrict? = Pleroma.Config.get([:restrict_unauthenticated, :timelines, cfg_key])
 
-  # GET /api/v1/timelines/tag/:tag
-  def hashtag(%{assigns: %{user: user}} = conn, params) do
-    local_only = truthy_param?(params["local"])
+    if not (restrict? and is_nil(user)) do
+      activities =
+        params
+        |> Map.put("type", ["Create", "Announce"])
+        |> Map.put("local_only", local_only)
+        |> Map.put("blocking_user", user)
+        |> Map.put("muting_user", user)
+        |> Map.put("user", user)
+        |> ActivityPub.fetch_public_activities()
+
+      conn
+      |> add_link_headers(activities, %{"local" => local_only})
+      |> render("index.json",
+        activities: activities,
+        for: user,
+        as: :activity,
+        skip_relationships: skip_relationships?(params)
+      )
+    else
+      render_error(conn, :unauthorized, "authorization required for timeline view")
+    end
+  end
 
+  def hashtag_fetching(params, user, local_only) do
     tags =
       [params["tag"], params["any"]]
       |> List.flatten()
@@ -98,7 +134,7 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
       |> Map.get("none", [])
       |> Enum.map(&String.downcase(&1))
 
-    activities =
+    _activities =
       params
       |> Map.put("type", "Create")
       |> Map.put("local_only", local_only)
@@ -109,10 +145,22 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
       |> Map.put("tag_all", tag_all)
       |> Map.put("tag_reject", tag_reject)
       |> ActivityPub.fetch_public_activities()
+  end
+
+  # GET /api/v1/timelines/tag/:tag
+  def hashtag(%{assigns: %{user: user}} = conn, params) do
+    local_only = truthy_param?(params["local"])
+
+    activities = hashtag_fetching(params, user, local_only)
 
     conn
     |> add_link_headers(activities, %{"local" => local_only})
-    |> render("index.json", activities: activities, for: user, as: :activity)
+    |> render("index.json",
+      activities: activities,
+      for: user,
+      as: :activity,
+      skip_relationships: skip_relationships?(params)
+    )
   end
 
   # GET /api/v1/timelines/list/:list_id
@@ -136,7 +184,12 @@ defmodule Pleroma.Web.MastodonAPI.TimelineController do
         |> ActivityPub.fetch_activities_bounded(following, params)
         |> Enum.reverse()
 
-      render(conn, "index.json", activities: activities, for: user, as: :activity)
+      render(conn, "index.json",
+        activities: activities,
+        for: user,
+        as: :activity,
+        skip_relationships: skip_relationships?(params)
+      )
     else
       _e -> render_error(conn, :forbidden, "Error.")
     end