git.squeep.com Git - akkoma/blob - lib/pleroma/web/mastodon_api/views/status_view.ex

   1 defmodule Pleroma.Web.MastodonAPI.StatusView do
   2   use Pleroma.Web, :view
   3
   4   alias Pleroma.{
   5     Activity,
   6     HTML,
   7     Repo,
   8     User
   9   }
  10
  11   alias Pleroma.Web.{
  12     CommonAPI.Utils,
  13     MastodonAPI.AccountView,
  14     MastodonAPI.StatusView,
  15     MediaProxy
  16   }
  17
  18   # TODO: Add cached version.
  19   defp get_replied_to_activities(activities) do
  20     activities
  21     |> Enum.map(fn
  22       %{data: %{"type" => "Create", "object" => %{"inReplyTo" => in_reply_to}}} ->
  23         in_reply_to != "" && in_reply_to
  24
  25       _ ->
  26         nil
  27     end)
  28     |> Enum.filter(& &1)
  29     |> Activity.create_activity_by_object_id_query()
  30     |> Repo.all()
  31     |> Enum.reduce(%{}, fn activity, acc ->
  32       Map.put(acc, activity.data["object"]["id"], activity)
  33     end)
  34   end
  35
  36   def render("index.json", opts) do
  37     replied_to_activities = get_replied_to_activities(opts.activities)
  38
  39     opts.activities
  40     |> render_many(
  41       StatusView,
  42       "status.json",
  43       Map.put(opts, :replied_to_activities, replied_to_activities)
  44     )
  45     |> Enum.filter(fn x -> not is_nil(x) end)
  46   end
  47
  48   def render(
  49         "status.json",
  50         %{activity: %{data: %{"type" => "Announce", "object" => object}} = activity} = opts
  51       ) do
  52     user = User.get_cached_by_ap_id(activity.data["actor"])
  53     created_at = Utils.to_masto_date(activity.data["published"])
  54
  55     reblogged = Activity.get_create_activity_by_object_ap_id(object)
  56     reblogged = render("status.json", Map.put(opts, :activity, reblogged))
  57
  58     mentions =
  59       activity.recipients
  60       |> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
  61       |> Enum.filter(& &1)
  62       |> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
  63
  64     %{
  65       id: to_string(activity.id),
  66       uri: object,
  67       url: object,
  68       account: AccountView.render("account.json", %{user: user}),
  69       in_reply_to_id: nil,
  70       in_reply_to_account_id: nil,
  71       reblog: reblogged,
  72       content: reblogged[:content] || "",
  73       created_at: created_at,
  74       reblogs_count: 0,
  75       replies_count: 0,
  76       favourites_count: 0,
  77       reblogged: false,
  78       favourited: false,
  79       muted: false,
  80       sensitive: false,
  81       spoiler_text: "",
  82       visibility: "public",
  83       media_attachments: reblogged[:media_attachments] || [],
  84       mentions: mentions,
  85       tags: reblogged[:tags] || [],
  86       application: %{
  87         name: "Web",
  88         website: nil
  89       },
  90       language: nil,
  91       emojis: []
  92     }
  93   end
  94
  95   def render("status.json", %{activity: %{data: %{"object" => object}} = activity} = opts) do
  96     user = User.get_cached_by_ap_id(activity.data["actor"])
  97
  98     like_count = object["like_count"] || 0
  99     announcement_count = object["announcement_count"] || 0
 100
 101     tags = object["tag"] || []
 102     sensitive = object["sensitive"] || Enum.member?(tags, "nsfw")
 103
 104     mentions =
 105       activity.recipients
 106       |> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
 107       |> Enum.filter(& &1)
 108       |> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
 109
 110     repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
 111     favorited = opts[:for] && opts[:for].ap_id in (object["likes"] || [])
 112
 113     attachment_data = object["attachment"] || []
 114     attachment_data = attachment_data ++ if object["type"] == "Video", do: [object], else: []
 115     attachments = render_many(attachment_data, StatusView, "attachment.json", as: :attachment)
 116
 117     created_at = Utils.to_masto_date(object["published"])
 118
 119     reply_to = get_reply_to(activity, opts)
 120     reply_to_user = reply_to && User.get_cached_by_ap_id(reply_to.data["actor"])
 121
 122     content =
 123       object
 124       |> render_content()
 125       |> HTML.filter_tags(User.html_filter_policy(opts[:for]))
 126
 127     %{
 128       id: to_string(activity.id),
 129       uri: object["id"],
 130       url: object["external_url"] || object["id"],
 131       account: AccountView.render("account.json", %{user: user}),
 132       in_reply_to_id: reply_to && to_string(reply_to.id),
 133       in_reply_to_account_id: reply_to_user && to_string(reply_to_user.id),
 134       reblog: nil,
 135       content: content,
 136       created_at: created_at,
 137       reblogs_count: announcement_count,
 138       replies_count: 0,
 139       favourites_count: like_count,
 140       reblogged: present?(repeated),
 141       favourited: present?(favorited),
 142       muted: false,
 143       sensitive: sensitive,
 144       spoiler_text: object["summary"] || "",
 145       visibility: get_visibility(object),
 146       media_attachments: attachments |> Enum.take(4),
 147       mentions: mentions,
 148       tags: tags,
 149       application: %{
 150         name: "Web",
 151         website: nil
 152       },
 153       language: nil,
 154       emojis: build_emojis(activity.data["object"]["emoji"])
 155     }
 156   end
 157
 158   def render("status.json", _) do
 159     nil
 160   end
 161
 162   def render("attachment.json", %{attachment: attachment}) do
 163     [attachment_url | _] = attachment["url"]
 164     media_type = attachment_url["mediaType"] || attachment_url["mimeType"] || "image"
 165     href = attachment_url["href"] |> MediaProxy.url()
 166
 167     type =
 168       cond do
 169         String.contains?(media_type, "image") -> "image"
 170         String.contains?(media_type, "video") -> "video"
 171         String.contains?(media_type, "audio") -> "audio"
 172         true -> "unknown"
 173       end
 174
 175     <<hash_id::signed-32, _rest::binary>> = :crypto.hash(:md5, href)
 176
 177     %{
 178       id: to_string(attachment["id"] || hash_id),
 179       url: href,
 180       remote_url: href,
 181       preview_url: href,
 182       text_url: href,
 183       type: type,
 184       description: attachment["name"]
 185     }
 186   end
 187
 188   def get_reply_to(activity, %{replied_to_activities: replied_to_activities}) do
 189     _id = activity.data["object"]["inReplyTo"]
 190     replied_to_activities[activity.data["object"]["inReplyTo"]]
 191   end
 192
 193   def get_reply_to(%{data: %{"object" => object}}, _) do
 194     if object["inReplyTo"] && object["inReplyTo"] != "" do
 195       Activity.get_create_activity_by_object_ap_id(object["inReplyTo"])
 196     else
 197       nil
 198     end
 199   end
 200
 201   def get_visibility(object) do
 202     public = "https://www.w3.org/ns/activitystreams#Public"
 203     to = object["to"] || []
 204     cc = object["cc"] || []
 205
 206     cond do
 207       public in to ->
 208         "public"
 209
 210       public in cc ->
 211         "unlisted"
 212
 213       # this should use the sql for the object's activity
 214       Enum.any?(to, &String.contains?(&1, "/followers")) ->
 215         "private"
 216
 217       true ->
 218         "direct"
 219     end
 220   end
 221
 222   def render_content(%{"type" => "Video"} = object) do
 223     with name when not is_nil(name) and name != "" <- object["name"] do
 224       "<p><a href=\"#{object["id"]}\">#{name}</a></p>#{object["content"]}"
 225     else
 226       _ -> object["content"] || ""
 227     end
 228   end
 229
 230   def render_content(%{"type" => object_type} = object)
 231       when object_type in ["Article", "Page"] do
 232     with summary when not is_nil(summary) and summary != "" <- object["name"],
 233          url when is_bitstring(url) <- object["url"] do
 234       "<p><a href=\"#{url}\">#{summary}</a></p>#{object["content"]}"
 235     else
 236       _ -> object["content"] || ""
 237     end
 238   end
 239
 240   def render_content(object), do: object["content"] || ""
 241
 242   @doc """
 243   Builds list emojis.
 244
 245   Arguments: `nil` or list tuple of name and url.
 246
 247   Returns list emojis.
 248
 249   ## Examples
 250
 251   iex> Pleroma.Web.MastodonAPI.StatusView.build_emojis([{"2hu", "corndog.png"}])
 252   [%{shortcode: "2hu", static_url: "corndog.png", url: "corndog.png", visible_in_picker: false}]
 253
 254   """
 255   @spec build_emojis(nil | list(tuple())) :: list(map())
 256   def build_emojis(nil), do: []
 257
 258   def build_emojis(emojis) do
 259     emojis
 260     |> Enum.map(fn {name, url} ->
 261       name = HTML.strip_tags(name)
 262
 263       url =
 264         url
 265         |> HTML.strip_tags()
 266         |> MediaProxy.url()
 267
 268       %{shortcode: name, url: url, static_url: url, visible_in_picker: false}
 269     end)
 270   end
 271
 272   defp present?(nil), do: false
 273   defp present?(false), do: false
 274   defp present?(_), do: true
 275 end