aboutsummaryrefslogtreecommitdiff
path: root/lib/pleroma/web/controller/frontend/static_controller.ex
blob: 94713496848758e44b6cd855488bc30c1c1366a3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
defmodule Pleroma.Web.Frontend.StaticController do
  use Pleroma.Web, :controller

  alias Pleroma.Activity
  alias Pleroma.Object
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.ActivityPub.Visibility
  alias Pleroma.Web.Metadata

  plug(:put_layout, :static_fe)

  plug(Pleroma.Plugs.EnsureAuthenticatedPlug,
    unless_func: &Pleroma.Web.FederatingPlug.federating?/1
  )

  @page_keys ["max_id", "min_id", "limit", "since_id", "order"]

  def object(conn, %{"uuid" => _uuid}) do
    url = url(conn) <> conn.request_path

    case Activity.get_create_by_object_ap_id_with_object(url) do
      %Activity{} = activity ->
        to = o_status_path(Pleroma.Web.Endpoint, :notice, activity)
        redirect(conn, to: to)

      _ ->
        not_found(conn, "Post not found.")
    end
  end

  def notice(conn, %{"id" => notice_id}) do
    with %Activity{local: true} = activity <-
           Activity.get_by_id_with_object(notice_id),
         true <- Visibility.is_public?(activity.object),
         %User{} = user <- User.get_by_ap_id(activity.object.data["actor"]) do
      meta = Metadata.build_tags(%{activity_id: notice_id, object: activity.object, user: user})

      timeline =
        activity.object.data["context"]
        |> ActivityPub.fetch_activities_for_context(%{})
        |> Enum.reverse()
        |> Enum.map(&represent(&1, &1.object.id == activity.object.id))

      render(conn, "conversation.html", %{activities: timeline, meta: meta})
    else
      %Activity{object: %Object{data: data}} ->
        conn
        |> put_status(:found)
        |> redirect(external: data["url"] || data["external_url"] || data["id"])

      _ ->
        not_found(conn, "Post not found.")
    end
  end

  def feed_redirect(conn, %{"nickname" => username_or_id} = params) do
    case User.get_cached_by_nickname_or_id(username_or_id) do
      %User{} = user ->
        meta = Metadata.build_tags(%{user: user})

        params =
          params
          |> Map.take(@page_keys)
          |> Map.new(fn {k, v} -> {String.to_existing_atom(k), v} end)

        timeline =
          user
          |> ActivityPub.fetch_user_activities(nil, params)
          |> Enum.map(&represent/1)

        prev_page_id =
          (params["min_id"] || params["max_id"]) &&
            List.first(timeline) && List.first(timeline).id

        next_page_id = List.last(timeline) && List.last(timeline).id

        render(conn, "profile.html", %{
          user: User.sanitize_html(user),
          timeline: timeline,
          prev_page_id: prev_page_id,
          next_page_id: next_page_id,
          meta: meta
        })

      _ ->
        not_found(conn, "User not found.")
    end
  end

  def activity(conn, %{"uuid" => _uuid}) do
    url = url(conn) <> conn.request_path

    case Activity.get_by_ap_id(url) do
      %Activity{} = activity ->
        to = o_status_path(Pleroma.Web.Endpoint, :notice, activity)
        redirect(conn, to: to)

      _ ->
        not_found(conn, "Post not found.")
    end
  end

  defp get_title(%Object{data: %{"name" => name}}) when is_binary(name),
    do: name

  defp get_title(%Object{data: %{"summary" => summary}}) when is_binary(summary),
    do: summary

  defp get_title(_), do: nil

  defp not_found(conn, message) do
    conn
    |> put_status(404)
    |> render("error.html", %{message: message, meta: ""})
  end

  defp get_counts(%Activity{} = activity) do
    %Object{data: data} = Object.normalize(activity)

    %{
      likes: data["like_count"] || 0,
      replies: data["repliesCount"] || 0,
      announces: data["announcement_count"] || 0
    }
  end

  defp represent(%Activity{} = activity), do: represent(activity, false)

  defp represent(%Activity{object: %Object{data: data}} = activity, selected) do
    {:ok, user} = User.get_or_fetch(activity.object.data["actor"])

    link =
      if user.local do
        o_status_url(Pleroma.Web.Endpoint, :notice, activity)
      else
        data["url"] || data["external_url"] || data["id"]
      end

    content =
      if data["content"] do
        data["content"]
        |> Pleroma.HTML.filter_tags()
        |> Pleroma.Emoji.Formatter.emojify(Map.get(data, "emoji", %{}))
      end

    %{
      user: User.sanitize_html(user),
      title: get_title(activity.object),
      content: content,
      attachment: data["attachment"],
      link: link,
      published: data["published"],
      sensitive: data["sensitive"],
      selected: selected,
      counts: get_counts(activity),
      id: activity.id
    }
  end
end