320 lines
8.8 KiB
Elixir
320 lines
8.8 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.MastodonAPI.StatusView do
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use Pleroma.Web, :view
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alias Pleroma.Activity
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alias Pleroma.HTML
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alias Pleroma.Repo
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alias Pleroma.User
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alias Pleroma.Web.CommonAPI.Utils
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alias Pleroma.Web.MediaProxy
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alias Pleroma.Web.MastodonAPI.AccountView
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alias Pleroma.Web.MastodonAPI.StatusView
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# TODO: Add cached version.
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defp get_replied_to_activities(activities) do
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activities
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|> Enum.map(fn
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%{data: %{"type" => "Create", "object" => %{"inReplyTo" => in_reply_to}}} ->
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in_reply_to != "" && in_reply_to
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_ ->
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nil
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end)
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|> Enum.filter(& &1)
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|> Activity.create_by_object_ap_id()
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|> Repo.all()
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|> Enum.reduce(%{}, fn activity, acc ->
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Map.put(acc, activity.data["object"]["id"], activity)
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end)
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end
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defp get_user(ap_id) do
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cond do
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user = User.get_cached_by_ap_id(ap_id) ->
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user
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user = User.get_by_guessed_nickname(ap_id) ->
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user
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true ->
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User.error_user(ap_id)
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end
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end
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def render("index.json", opts) do
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replied_to_activities = get_replied_to_activities(opts.activities)
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opts.activities
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|> render_many(
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StatusView,
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"status.json",
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Map.put(opts, :replied_to_activities, replied_to_activities)
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)
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|> Enum.filter(fn x -> not is_nil(x) end)
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end
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def render(
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"status.json",
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%{activity: %{data: %{"type" => "Announce", "object" => object}} = activity} = opts
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) do
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user = get_user(activity.data["actor"])
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created_at = Utils.to_masto_date(activity.data["published"])
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reblogged = Activity.get_create_by_object_ap_id(object)
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reblogged = render("status.json", Map.put(opts, :activity, reblogged))
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mentions =
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activity.recipients
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|> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
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|> Enum.filter(& &1)
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|> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
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%{
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id: to_string(activity.id),
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uri: object,
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url: object,
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account: AccountView.render("account.json", %{user: user}),
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in_reply_to_id: nil,
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in_reply_to_account_id: nil,
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reblog: reblogged,
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content: reblogged[:content] || "",
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created_at: created_at,
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reblogs_count: 0,
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replies_count: 0,
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favourites_count: 0,
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reblogged: false,
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favourited: false,
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muted: false,
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pinned: pinned?(activity, user),
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sensitive: false,
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spoiler_text: "",
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visibility: "public",
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media_attachments: reblogged[:media_attachments] || [],
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mentions: mentions,
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tags: reblogged[:tags] || [],
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application: %{
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name: "Web",
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website: nil
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},
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language: nil,
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emojis: []
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}
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end
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def render("status.json", %{activity: %{data: %{"object" => object}} = activity} = opts) do
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user = get_user(activity.data["actor"])
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like_count = object["like_count"] || 0
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announcement_count = object["announcement_count"] || 0
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tags = object["tag"] || []
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sensitive = object["sensitive"] || Enum.member?(tags, "nsfw")
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mentions =
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activity.recipients
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|> Enum.map(fn ap_id -> User.get_cached_by_ap_id(ap_id) end)
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|> Enum.filter(& &1)
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|> Enum.map(fn user -> AccountView.render("mention.json", %{user: user}) end)
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repeated = opts[:for] && opts[:for].ap_id in (object["announcements"] || [])
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favorited = opts[:for] && opts[:for].ap_id in (object["likes"] || [])
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attachment_data = object["attachment"] || []
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attachments = render_many(attachment_data, StatusView, "attachment.json", as: :attachment)
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created_at = Utils.to_masto_date(object["published"])
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reply_to = get_reply_to(activity, opts)
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reply_to_user = reply_to && get_user(reply_to.data["actor"])
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content =
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object
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|> render_content()
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|> HTML.get_cached_scrubbed_html_for_object(
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User.html_filter_policy(opts[:for]),
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activity,
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__MODULE__
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)
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%{
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id: to_string(activity.id),
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uri: object["id"],
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url: object["external_url"] || object["id"],
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account: AccountView.render("account.json", %{user: user}),
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in_reply_to_id: reply_to && to_string(reply_to.id),
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in_reply_to_account_id: reply_to_user && to_string(reply_to_user.id),
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reblog: nil,
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content: content,
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created_at: created_at,
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reblogs_count: announcement_count,
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replies_count: 0,
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favourites_count: like_count,
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reblogged: present?(repeated),
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favourited: present?(favorited),
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muted: false,
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pinned: pinned?(activity, user),
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sensitive: sensitive,
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spoiler_text: object["summary"] || "",
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visibility: get_visibility(object),
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media_attachments: attachments |> Enum.take(4),
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mentions: mentions,
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tags: build_tags(tags),
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application: %{
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name: "Web",
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website: nil
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},
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language: nil,
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emojis: build_emojis(activity.data["object"]["emoji"])
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}
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end
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def render("status.json", _) do
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nil
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end
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def render("attachment.json", %{attachment: attachment}) do
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[attachment_url | _] = attachment["url"]
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media_type = attachment_url["mediaType"] || attachment_url["mimeType"] || "image"
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href = attachment_url["href"] |> MediaProxy.url()
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type =
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cond do
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String.contains?(media_type, "image") -> "image"
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String.contains?(media_type, "video") -> "video"
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String.contains?(media_type, "audio") -> "audio"
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true -> "unknown"
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end
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<<hash_id::signed-32, _rest::binary>> = :crypto.hash(:md5, href)
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%{
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id: to_string(attachment["id"] || hash_id),
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url: href,
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remote_url: href,
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preview_url: href,
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text_url: href,
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type: type,
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description: attachment["name"]
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}
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end
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def get_reply_to(activity, %{replied_to_activities: replied_to_activities}) do
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_id = activity.data["object"]["inReplyTo"]
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replied_to_activities[activity.data["object"]["inReplyTo"]]
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end
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def get_reply_to(%{data: %{"object" => object}}, _) do
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if object["inReplyTo"] && object["inReplyTo"] != "" do
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Activity.get_create_by_object_ap_id(object["inReplyTo"])
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else
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nil
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end
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end
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def get_visibility(object) do
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public = "https://www.w3.org/ns/activitystreams#Public"
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to = object["to"] || []
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cc = object["cc"] || []
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cond do
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public in to ->
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"public"
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public in cc ->
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"unlisted"
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# this should use the sql for the object's activity
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Enum.any?(to, &String.contains?(&1, "/followers")) ->
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"private"
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length(cc) > 0 ->
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"private"
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true ->
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"direct"
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end
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end
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def render_content(%{"type" => "Video"} = object) do
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with name when not is_nil(name) and name != "" <- object["name"] do
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"<p><a href=\"#{object["id"]}\">#{name}</a></p>#{object["content"]}"
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else
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_ -> object["content"] || ""
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end
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end
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def render_content(%{"type" => object_type} = object)
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when object_type in ["Article", "Page"] do
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with summary when not is_nil(summary) and summary != "" <- object["name"],
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url when is_bitstring(url) <- object["url"] do
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"<p><a href=\"#{url}\">#{summary}</a></p>#{object["content"]}"
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else
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_ -> object["content"] || ""
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end
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end
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def render_content(object), do: object["content"] || ""
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@doc """
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Builds a dictionary tags.
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## Examples
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iex> Pleroma.Web.MastodonAPI.StatusView.build_tags(["fediverse", "nextcloud"])
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[{"name": "fediverse", "url": "/tag/fediverse"},
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{"name": "nextcloud", "url": "/tag/nextcloud"}]
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"""
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@spec build_tags(list(any())) :: list(map())
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def build_tags(object_tags) when is_list(object_tags) do
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object_tags = for tag when is_binary(tag) <- object_tags, do: tag
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Enum.reduce(object_tags, [], fn tag, tags ->
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tags ++ [%{name: tag, url: "/tag/#{tag}"}]
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end)
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end
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def build_tags(_), do: []
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@doc """
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Builds list emojis.
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Arguments: `nil` or list tuple of name and url.
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Returns list emojis.
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## Examples
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iex> Pleroma.Web.MastodonAPI.StatusView.build_emojis([{"2hu", "corndog.png"}])
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[%{shortcode: "2hu", static_url: "corndog.png", url: "corndog.png", visible_in_picker: false}]
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"""
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@spec build_emojis(nil | list(tuple())) :: list(map())
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def build_emojis(nil), do: []
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def build_emojis(emojis) do
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emojis
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|> Enum.map(fn {name, url} ->
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name = HTML.strip_tags(name)
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url =
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url
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|> HTML.strip_tags()
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|> MediaProxy.url()
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%{shortcode: name, url: url, static_url: url, visible_in_picker: false}
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end)
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end
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defp present?(nil), do: false
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defp present?(false), do: false
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defp present?(_), do: true
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defp pinned?(%Activity{id: id}, %User{info: %{pinned_activities: pinned_activities}}),
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do: id in pinned_activities
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end
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