Merge branch 'feature/mrf-always-nsfw' into 'develop'

suppress link previews from posts marked sensitive

Closes #865

See merge request pleroma/pleroma!1173

CHANGELOG.md

@@ -71,6 +71,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Deps: Updated Ecto to 3.0.7
 - Don't ship finmoji by default, they can be installed as an emoji pack
 - Hide deactivated users and their statuses
+- Posts which are marked sensitive or tagged nsfw no longer have link previews.
 
 ### Fixed
 - Added an FTS index on objects. Running `vacuum analyze` and setting a larger `work_mem` is recommended.

lib/pleroma/web/activity_pub/mrf/simple_policy.ex

@@ -48,10 +48,9 @@ defp check_media_nsfw(
          %{host: actor_host} = _actor_info,
          %{
            "type" => "Create",
-           "object" => %{"attachment" => child_attachment} = child_object
+           "object" => child_object
          } = object
-       )
-       when length(child_attachment) > 0 do
+       ) do
     object =
       if Enum.member?(Pleroma.Config.get([:mrf_simple, :media_nsfw]), actor_host) do
         tags = (child_object["tag"] || []) ++ ["nsfw"]

lib/pleroma/web/common_api/common_api.ex

@@ -157,6 +157,7 @@ def post(user, %{"status" => status} = data) do
          {to, cc} <- to_for_user_and_mentions(user, mentions, in_reply_to, visibility),
          context <- make_context(in_reply_to),
          cw <- data["spoiler_text"] || "",
+         sensitive <- data["sensitive"] || Enum.member?(tags, {"#nsfw", "nsfw"}),
          full_payload <- String.trim(status <> cw),
          length when length in 1..limit <- String.length(full_payload),
          object <-
@@ -169,7 +170,8 @@ def post(user, %{"status" => status} = data) do
              in_reply_to,
              tags,
              cw,
-             cc
+             cc,
+             sensitive
            ),
          object <-
            Map.put(

lib/pleroma/web/common_api/utils.ex

@@ -223,7 +223,8 @@ def make_note_data(
         in_reply_to,
         tags,
         cw \\ nil,
-        cc \\ []
+        cc \\ [],
+        sensitive \\ false
       ) do
     object = %{
       "type" => "Note",
@@ -231,6 +232,7 @@ def make_note_data(
       "cc" => cc,
       "content" => content_html,
       "summary" => cw,
+      "sensitive" => !Enum.member?(["false", "False", "0", false], sensitive),
       "context" => context,
       "attachment" => attachments,
       "actor" => actor,

lib/pleroma/web/rich_media/helpers.ex

@@ -24,6 +24,7 @@ defp validate_page_url(_), do: :error
   def fetch_data_for_activity(%Activity{data: %{"type" => "Create"}} = activity) do
     with true <- Pleroma.Config.get([:rich_media, :enabled]),
          %Object{} = object <- Object.normalize(activity),
+         false <- object.data["sensitive"] || false,
          {:ok, page_url} <- HTML.extract_first_external_url(object, object.data["content"]),
          :ok <- validate_page_url(page_url),
          {:ok, rich_media} <- Parser.parse(page_url) do

test/web/rich_media/helpers_test.exs

@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.RichMedia.HelpersTest do
   use Pleroma.DataCase
 
+  alias Pleroma.Object
   alias Pleroma.Web.CommonAPI
 
   import Pleroma.Factory
@@ -59,4 +60,43 @@ test "crawls valid, complete URLs" do
 
     Pleroma.Config.put([:rich_media, :enabled], false)
   end
+
+  test "refuses to crawl URLs from posts marked sensitive" do
+    user = insert(:user)
+
+    {:ok, activity} =
+      CommonAPI.post(user, %{
+        "status" => "http://example.com/ogp",
+        "sensitive" => true
+      })
+
+    %Object{} = object = Object.normalize(activity)
+
+    assert object.data["sensitive"]
+
+    Pleroma.Config.put([:rich_media, :enabled], true)
+
+    assert %{} = Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
+
+    Pleroma.Config.put([:rich_media, :enabled], false)
+  end
+
+  test "refuses to crawl URLs from posts tagged NSFW" do
+    user = insert(:user)
+
+    {:ok, activity} =
+      CommonAPI.post(user, %{
+        "status" => "http://example.com/ogp #nsfw"
+      })
+
+    %Object{} = object = Object.normalize(activity)
+
+    assert object.data["sensitive"]
+
+    Pleroma.Config.put([:rich_media, :enabled], true)
+
+    assert %{} = Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
+
+    Pleroma.Config.put([:rich_media, :enabled], false)
+  end
 end