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