X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fmastodon_api%2Fviews%2Fstatus_view.ex;h=814b3d142ba907ad01ce52947254d0a9afab9b66;hb=745375bdcf2679ff803dd4ebc4a8313a7b5fb157;hp=bdb3bf359f8c0c6a2557c53bb51629f452e19e6e;hpb=bdf57b8ef438f32999ef917777b13161320644a8;p=akkoma

diff --git a/lib/pleroma/web/mastodon_api/views/status_view.ex b/lib/pleroma/web/mastodon_api/views/status_view.ex
index bdb3bf359..814b3d142 100644
--- a/lib/pleroma/web/mastodon_api/views/status_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/status_view.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MastodonAPI.StatusView do
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   require Pleroma.Constants
 
   alias Pleroma.Activity
-  alias Pleroma.ActivityExpiration
   alias Pleroma.HTML
   alias Pleroma.Object
   alias Pleroma.Repo
@@ -20,9 +19,21 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   alias Pleroma.Web.MastodonAPI.PollView
   alias Pleroma.Web.MastodonAPI.StatusView
   alias Pleroma.Web.MediaProxy
+  alias Pleroma.Web.PleromaAPI.EmojiReactionController
 
   import Pleroma.Web.ActivityPub.Visibility, only: [get_visibility: 1, visible_for_user?: 2]
 
+  # This is a naive way to do this, just spawning a process per activity
+  # to fetch the preview. However it should be fine considering
+  # pagination is restricted to 40 activities at a time
+  defp fetch_rich_media_for_activities(activities) do
+    Enum.each(activities, fn activity ->
+      spawn(fn ->
+        Pleroma.Web.RichMedia.Helpers.fetch_data_for_activity(activity)
+      end)
+    end)
+  end
+
   # TODO: Add cached version.
   defp get_replied_to_activities([]), do: %{}
 
@@ -30,7 +41,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     activities
     |> Enum.map(fn
       %{data: %{"type" => "Create"}} = activity ->
-        object = Object.normalize(activity)
+        object = Object.normalize(activity, fetch: false)
         object && object.data["inReplyTo"] != "" && object.data["inReplyTo"]
 
       _ ->
@@ -40,28 +51,11 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     |> Activity.create_by_object_ap_id_with_object()
     |> Repo.all()
     |> Enum.reduce(%{}, fn activity, acc ->
-      object = Object.normalize(activity)
+      object = Object.normalize(activity, fetch: false)
       if object, do: Map.put(acc, object.data["id"], activity), else: acc
     end)
   end
 
-  def get_user(ap_id, fake_record_fallback \\ true) do
-    cond do
-      user = User.get_cached_by_ap_id(ap_id) ->
-        user
-
-      user = User.get_by_guessed_nickname(ap_id) ->
-        user
-
-      fake_record_fallback ->
-        # TODO: refactor (fake records is never a good idea)
-        User.error_user(ap_id)
-
-      true ->
-        nil
-    end
-  end
-
   defp get_context_id(%{data: %{"context_id" => context_id}}) when not is_nil(context_id),
     do: context_id
 
@@ -71,7 +65,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   defp get_context_id(_), do: nil
 
   defp reblogged?(activity, user) do
-    object = Object.normalize(activity) || %{}
+    object = Object.normalize(activity, fetch: false) || %{}
     present?(user && user.ap_id in (object.data["announcements"] || []))
   end
 
@@ -80,12 +74,17 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
 
     # To do: check AdminAPIControllerTest on the reasons behind nil activities in the list
     activities = Enum.filter(opts.activities, & &1)
+
+    # Start fetching rich media before doing anything else, so that later calls to get the cards
+    # only block for timeout in the worst case, as opposed to
+    # length(activities_with_links) * timeout
+    fetch_rich_media_for_activities(activities)
     replied_to_activities = get_replied_to_activities(activities)
 
     parent_activities =
       activities
       |> Enum.filter(&(&1.data["type"] == "Announce" && &1.data["object"]))
-      |> Enum.map(&Object.normalize(&1).data["id"])
+      |> Enum.map(&Object.normalize(&1, fetch: false).data["id"])
       |> Activity.create_by_object_ap_id()
       |> Activity.with_preloaded_object(:left)
       |> Activity.with_preloaded_bookmark(reading_user)
@@ -104,7 +103,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
           # Note: unresolved users are filtered out
           actors =
             (activities ++ parent_activities)
-            |> Enum.map(&get_user(&1.data["actor"], false))
+            |> Enum.map(&CommonAPI.get_user(&1.data["actor"], false))
             |> Enum.filter(& &1)
 
           UserRelationship.view_relationships_option(reading_user, actors, subset: :source_mutes)
@@ -123,18 +122,18 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
         "show.json",
         %{activity: %{data: %{"type" => "Announce", "object" => _object}} = activity} = opts
       ) do
-    user = get_user(activity.data["actor"])
+    user = CommonAPI.get_user(activity.data["actor"])
     created_at = Utils.to_masto_date(activity.data["published"])
-    activity_object = Object.normalize(activity)
+    object = Object.normalize(activity, fetch: false)
 
     reblogged_parent_activity =
       if opts[:parent_activities] do
         Activity.Queries.find_by_object_ap_id(
           opts[:parent_activities],
-          activity_object.data["id"]
+          object.data["id"]
         )
       else
-        Activity.create_by_object_ap_id(activity_object.data["id"])
+        Activity.create_by_object_ap_id(object.data["id"])
         |> Activity.with_preloaded_bookmark(opts[:for])
         |> Activity.with_set_thread_muted_field(opts[:for])
         |> Repo.one()
@@ -143,7 +142,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     reblog_rendering_opts = Map.put(opts, :activity, reblogged_parent_activity)
     reblogged = render("show.json", reblog_rendering_opts)
 
-    favorited = opts[:for] && opts[:for].ap_id in (activity_object.data["likes"] || [])
+    favorited = opts[:for] && opts[:for].ap_id in (object.data["likes"] || [])
 
     bookmarked = Activity.get_bookmark(reblogged_parent_activity, opts[:for]) != nil
 
@@ -153,10 +152,12 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       |> Enum.filter(& &1)
       |> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
 
+    {pinned?, pinned_at} = pin_data(object, user)
+
     %{
       id: to_string(activity.id),
-      uri: activity_object.data["id"],
-      url: activity_object.data["id"],
+      uri: object.data["id"],
+      url: object.data["id"],
       account:
         AccountView.render("show.json", %{
           user: user,
@@ -174,36 +175,36 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       favourited: present?(favorited),
       bookmarked: present?(bookmarked),
       muted: false,
-      pinned: pinned?(activity, user),
+      pinned: pinned?,
       sensitive: false,
       spoiler_text: "",
       visibility: get_visibility(activity),
       media_attachments: reblogged[:media_attachments] || [],
       mentions: mentions,
       tags: reblogged[:tags] || [],
-      application: %{
-        name: "Web",
-        website: nil
-      },
+      application: build_application(object.data["generator"]),
       language: nil,
       emojis: [],
       pleroma: %{
-        local: activity.local
+        local: activity.local,
+        pinned_at: pinned_at
       }
     }
   end
 
   def render("show.json", %{activity: %{data: %{"object" => _object}} = activity} = opts) do
-    object = Object.normalize(activity)
+    object = Object.normalize(activity, fetch: false)
 
-    user = get_user(activity.data["actor"])
+    user = CommonAPI.get_user(activity.data["actor"])
     user_follower_address = user.follower_address
 
     like_count = object.data["like_count"] || 0
     announcement_count = object.data["announcement_count"] || 0
 
-    tags = object.data["tag"] || []
-    sensitive = object.data["sensitive"] || Enum.member?(tags, "nsfw")
+    hashtags = Object.hashtags(object)
+    sensitive = object.data["sensitive"] || Enum.member?(hashtags, "nsfw")
+
+    tags = Object.tags(object)
 
     tag_mentions =
       tags
@@ -229,8 +230,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
 
     expires_at =
       with true <- client_posted_this_activity,
-           %ActivityExpiration{scheduled_at: scheduled_at} <-
-             ActivityExpiration.get_by_activity_id(activity.id) do
+           %Oban.Job{scheduled_at: scheduled_at} <-
+             Pleroma.Workers.PurgeExpiredActivity.get_expiration(activity.id) do
         scheduled_at
       else
         _ -> nil
@@ -250,7 +251,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
 
     reply_to = get_reply_to(activity, opts)
 
-    reply_to_user = reply_to && get_user(reply_to.data["actor"])
+    reply_to_user = reply_to && CommonAPI.get_user(reply_to.data["actor"])
 
     content =
       object
@@ -296,17 +297,16 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       end
 
     emoji_reactions =
-      with %{data: %{"reactions" => emoji_reactions}} <- object do
-        Enum.map(emoji_reactions, fn [emoji, users] ->
-          %{
-            name: emoji,
-            count: length(users),
-            me: !!(opts[:for] && opts[:for].ap_id in users)
-          }
-        end)
-      else
-        _ -> []
-      end
+      object.data
+      |> Map.get("reactions", [])
+      |> EmojiReactionController.filter_allowed_users(
+        opts[:for],
+        Map.get(opts, :with_muted, false)
+      )
+      |> Stream.map(fn {emoji, users} ->
+        build_emoji_map(emoji, users, opts[:for])
+      end)
+      |> Enum.to_list()
 
     # Status muted state (would do 1 request per status unless user mutes are preloaded)
     muted =
@@ -319,6 +319,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
           fn for_user, user -> User.mutes?(for_user, user) end
         )
 
+    {pinned?, pinned_at} = pin_data(object, user)
+
     %{
       id: to_string(activity.id),
       uri: object.data["id"],
@@ -342,7 +344,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       favourited: present?(favorited),
       bookmarked: present?(bookmarked),
       muted: muted,
-      pinned: pinned?(activity, user),
+      pinned: pinned?,
       sensitive: sensitive,
       spoiler_text: summary,
       visibility: get_visibility(object),
@@ -350,10 +352,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       poll: render(PollView, "show.json", object: object, for: opts[:for]),
       mentions: mentions,
       tags: build_tags(tags),
-      application: %{
-        name: "Web",
-        website: nil
-      },
+      application: build_application(object.data["generator"]),
       language: nil,
       emojis: build_emojis(object.data["emoji"]),
       pleroma: %{
@@ -366,7 +365,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
         direct_conversation_id: direct_conversation_id,
         thread_muted: thread_muted?,
         emoji_reactions: emoji_reactions,
-        parent_visible: visible_for_user?(reply_to, opts[:for])
+        parent_visible: visible_for_user?(reply_to, opts[:for]),
+        pinned_at: pinned_at
       }
     }
   end
@@ -387,12 +387,15 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
 
     page_url = page_url_data |> to_string
 
-    image_url =
+    image_url_data =
       if is_binary(rich_media["image"]) do
-        URI.merge(page_url_data, URI.parse(rich_media["image"]))
-        |> to_string
+        URI.parse(rich_media["image"])
+      else
+        nil
       end
 
+    image_url = build_image_url(image_url_data, page_url_data)
+
     %{
       type: "link",
       provider_name: page_url_data.host,
@@ -433,7 +436,8 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
       text_url: href,
       type: type,
       description: attachment["name"],
-      pleroma: %{mime_type: media_type}
+      pleroma: %{mime_type: media_type},
+      blurhash: attachment["blurhash"]
     }
   end
 
@@ -452,7 +456,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   end
 
   def get_reply_to(activity, %{replied_to_activities: replied_to_activities}) do
-    object = Object.normalize(activity)
+    object = Object.normalize(activity, fetch: false)
 
     with nil <- replied_to_activities[object.data["inReplyTo"]] do
       # If user didn't participate in the thread
@@ -461,7 +465,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   end
 
   def get_reply_to(%{data: %{"object" => _object}} = activity, _) do
-    object = Object.normalize(activity)
+    object = Object.normalize(activity, fetch: false)
 
     if object.data["inReplyTo"] && object.data["inReplyTo"] != "" do
       Activity.get_create_by_object_ap_id(object.data["inReplyTo"])
@@ -470,23 +474,10 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end
   end
 
-  def render_content(%{data: %{"type" => object_type}} = object)
-      when object_type in ["Video", "Event", "Audio"] do
-    with name when not is_nil(name) and name != "" <- object.data["name"] do
-      "<p><a href=\"#{object.data["id"]}\">#{name}</a></p>#{object.data["content"]}"
-    else
-      _ -> object.data["content"] || ""
-    end
-  end
+  def render_content(%{data: %{"name" => name}} = object) when not is_nil(name) and name != "" do
+    url = object.data["url"] || object.data["id"]
 
-  def render_content(%{data: %{"type" => object_type}} = object)
-      when object_type in ["Article", "Page"] do
-    with summary when not is_nil(summary) and summary != "" <- object.data["name"],
-         url when is_bitstring(url) <- object.data["url"] do
-      "<p><a href=\"#{url}\">#{summary}</a></p>#{object.data["content"]}"
-    else
-      _ -> object.data["content"] || ""
-    end
+    "<p><a href=\"#{url}\">#{name}</a></p>#{object.data["content"]}"
   end
 
   def render_content(object), do: object.data["content"] || ""
@@ -505,7 +496,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   def build_tags(object_tags) when is_list(object_tags) do
     object_tags
     |> Enum.filter(&is_binary/1)
-    |> Enum.map(&%{name: &1, url: "/tag/#{URI.encode(&1)}"})
+    |> Enum.map(&%{name: &1, url: "#{Pleroma.Web.base_url()}/tag/#{URI.encode(&1)}"})
   end
 
   def build_tags(_), do: []
@@ -544,6 +535,44 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
   defp present?(false), do: false
   defp present?(_), do: true
 
-  defp pinned?(%Activity{id: id}, %User{pinned_activities: pinned_activities}),
-    do: id in pinned_activities
+  defp pin_data(%Object{data: %{"id" => object_id}}, %User{pinned_objects: pinned_objects}) do
+    if pinned_at = pinned_objects[object_id] do
+      {true, Utils.to_masto_date(pinned_at)}
+    else
+      {false, nil}
+    end
+  end
+
+  defp build_emoji_map(emoji, users, current_user) do
+    %{
+      name: emoji,
+      count: length(users),
+      me: !!(current_user && current_user.ap_id in users)
+    }
+  end
+
+  @spec build_application(map() | nil) :: map() | nil
+  defp build_application(%{"type" => _type, "name" => name, "url" => url}),
+    do: %{name: name, website: url}
+
+  defp build_application(_), do: nil
+
+  # Workaround for Elixir issue #10771
+  # Avoid applying URI.merge unless necessary
+  # TODO: revert to always attempting URI.merge(image_url_data, page_url_data)
+  # when Elixir 1.12 is the minimum supported version
+  @spec build_image_url(struct() | nil, struct()) :: String.t() | nil
+  defp build_image_url(
+         %URI{scheme: image_scheme, host: image_host} = image_url_data,
+         %URI{} = _page_url_data
+       )
+       when not is_nil(image_scheme) and not is_nil(image_host) do
+    image_url_data |> to_string
+  end
+
+  defp build_image_url(%URI{} = image_url_data, %URI{} = page_url_data) do
+    URI.merge(page_url_data, image_url_data) |> to_string
+  end
+
+  defp build_image_url(_, _), do: nil
 end