# 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
require Pleroma.Constants
alias Pleroma.Activity
- alias Pleroma.ActivityExpiration
alias Pleroma.HTML
alias Pleroma.Object
alias Pleroma.Repo
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]
+ 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: %{}
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"]
_ ->
|> 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
- defp get_user(ap_id) do
- cond do
- user = User.get_cached_by_ap_id(ap_id) ->
- user
-
- user = User.get_by_guessed_nickname(ap_id) ->
- user
-
- true ->
- User.error_user(ap_id)
- end
- end
-
defp get_context_id(%{data: %{"context_id" => context_id}}) when not is_nil(context_id),
do: context_id
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
# 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)
UserRelationship.view_relationships_option(nil, [])
true ->
- actors = Enum.map(activities ++ parent_activities, &get_user(&1.data["actor"]))
+ # Note: unresolved users are filtered out
+ actors =
+ (activities ++ parent_activities)
+ |> Enum.map(&CommonAPI.get_user(&1.data["actor"], false))
+ |> Enum.filter(& &1)
- UserRelationship.view_relationships_option(reading_user, actors)
+ UserRelationship.view_relationships_option(reading_user, actors, subset: :source_mutes)
end
opts =
"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()
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
|> 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,
- for: opts[:for],
- relationships: opts[:relationships]
+ for: opts[:for]
}),
in_reply_to_id: nil,
in_reply_to_account_id: nil,
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
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
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
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 =
thread_muted? ||
UserRelationship.exists?(
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"],
account:
AccountView.render("show.json", %{
user: user,
- for: opts[:for],
- relationships: opts[:relationships]
+ for: opts[:for]
}),
in_reply_to_id: reply_to && to_string(reply_to.id),
in_reply_to_account_id: reply_to_user && to_string(reply_to_user.id),
reblog: nil,
card: card,
content: content_html,
+ text: opts[:with_source] && object.data["source"],
created_at: created_at,
reblogs_count: announcement_count,
replies_count: object.data["repliesCount"] || 0,
favourited: present?(favorited),
bookmarked: present?(bookmarked),
muted: muted,
- pinned: pinned?(activity, user),
+ pinned: pinned?,
sensitive: sensitive,
spoiler_text: summary,
visibility: get_visibility(object),
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: %{
expires_at: expires_at,
direct_conversation_id: direct_conversation_id,
thread_muted: thread_muted?,
- emoji_reactions: emoji_reactions
+ emoji_reactions: emoji_reactions,
+ parent_visible: visible_for_user?(reply_to, opts[:for]),
+ pinned_at: pinned_at
}
}
end
page_url_data = URI.parse(page_url)
page_url_data =
- if rich_media[:url] != nil do
- URI.merge(page_url_data, URI.parse(rich_media[:url]))
+ if is_binary(rich_media["url"]) do
+ URI.merge(page_url_data, URI.parse(rich_media["url"]))
else
page_url_data
end
page_url = page_url_data |> to_string
- image_url =
- if rich_media[:image] != nil do
- URI.merge(page_url_data, URI.parse(rich_media[:image]))
- |> to_string
+ image_url_data =
+ if is_binary(rich_media["image"]) do
+ 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,
provider_url: page_url_data.scheme <> "://" <> page_url_data.host,
url: page_url,
image: image_url |> MediaProxy.url(),
- title: rich_media[:title] || "",
- description: rich_media[:description] || "",
+ title: rich_media["title"] || "",
+ description: rich_media["description"] || "",
pleroma: %{
opengraph: rich_media
}
[attachment_url | _] = attachment["url"]
media_type = attachment_url["mediaType"] || attachment_url["mimeType"] || "image"
href = attachment_url["href"] |> MediaProxy.url()
+ href_preview = attachment_url["href"] |> MediaProxy.preview_url()
type =
cond do
id: to_string(attachment["id"] || hash_id),
url: href,
remote_url: href,
- preview_url: href,
+ preview_url: href_preview,
text_url: href,
type: type,
description: attachment["name"],
- pleroma: %{mime_type: media_type}
- }
- end
-
- def render("listen.json", %{activity: %Activity{data: %{"type" => "Listen"}} = activity} = opts) do
- object = Object.normalize(activity)
-
- user = get_user(activity.data["actor"])
- created_at = Utils.to_masto_date(activity.data["published"])
-
- %{
- id: activity.id,
- account: AccountView.render("show.json", %{user: user, for: opts[:for]}),
- created_at: created_at,
- title: object.data["title"] |> HTML.strip_tags(),
- artist: object.data["artist"] |> HTML.strip_tags(),
- album: object.data["album"] |> HTML.strip_tags(),
- length: object.data["length"]
+ pleroma: %{mime_type: media_type},
+ blurhash: attachment["blurhash"]
}
end
- def render("listens.json", opts) do
- safe_render_many(opts.activities, StatusView, "listen.json", opts)
- end
-
def render("context.json", %{activity: activity, activities: activities, user: user}) do
%{ancestors: ancestors, descendants: descendants} =
activities
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
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"])
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"] || ""
"""
@spec build_tags(list(any())) :: list(map())
def build_tags(object_tags) when is_list(object_tags) do
- object_tags = for tag when is_binary(tag) <- object_tags, do: tag
-
- Enum.reduce(object_tags, [], fn tag, tags ->
- tags ++ [%{name: tag, url: "/tag/#{URI.encode(tag)}"}]
- end)
+ object_tags
+ |> Enum.filter(&is_binary/1)
+ |> Enum.map(&%{name: &1, url: "#{Pleroma.Web.base_url()}/tag/#{URI.encode(&1)}"})
end
def build_tags(_), 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