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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.StaticFE.StaticFEController 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
alias Pleroma.Web.Router.Helpers
plug(:put_layout, :static_fe)
plug(:put_view, Pleroma.Web.StaticFE.StaticFEView)
plug(:assign_id)
@page_keys ["max_id", "min_id", "limit", "since_id", "order"]
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
def 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
def represent(%Activity{} = activity), do: represent(activity, false)
def represent(%Activity{object: %Object{data: data}} = activity, selected) do
{:ok, user} = User.get_or_fetch(activity.object.data["actor"])
link =
case user.local do
true -> Helpers.o_status_url(Pleroma.Web.Endpoint, :notice, activity)
_ -> data["url"] || data["external_url"] || data["id"]
end
%{
user: user,
title: get_title(activity.object),
content: data["content"] || nil,
attachment: data["attachment"],
link: link,
published: data["published"],
sensitive: data["sensitive"],
selected: selected,
counts: get_counts(activity),
id: activity.id
}
end
def show(%{assigns: %{notice_id: notice_id}} = conn, _params) 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 show(%{assigns: %{username_or_id: username_or_id}} = conn, params) do
case User.get_cached_by_nickname_or_id(username_or_id) do
%User{} = user ->
meta = Metadata.build_tags(%{user: user})
timeline =
ActivityPub.fetch_user_activities(user, nil, Map.take(params, @page_keys))
|> 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,
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 show(%{assigns: %{object_id: _}} = conn, _params) do
url = Helpers.url(conn) <> conn.request_path
case Activity.get_create_by_object_ap_id_with_object(url) do
%Activity{} = activity ->
to = Helpers.o_status_path(Pleroma.Web.Endpoint, :notice, activity)
redirect(conn, to: to)
_ ->
not_found(conn, "Post not found.")
end
end
def show(%{assigns: %{activity_id: _}} = conn, _params) do
url = Helpers.url(conn) <> conn.request_path
case Activity.get_by_ap_id(url) do
%Activity{} = activity ->
to = Helpers.o_status_path(Pleroma.Web.Endpoint, :notice, activity)
redirect(conn, to: to)
_ ->
not_found(conn, "Post not found.")
end
end
def assign_id(%{path_info: ["notice", notice_id]} = conn, _opts),
do: assign(conn, :notice_id, notice_id)
def assign_id(%{path_info: ["users", user_id]} = conn, _opts),
do: assign(conn, :username_or_id, user_id)
def assign_id(%{path_info: ["objects", object_id]} = conn, _opts),
do: assign(conn, :object_id, object_id)
def assign_id(%{path_info: ["activities", activity_id]} = conn, _opts),
do: assign(conn, :activity_id, activity_id)
def assign_id(conn, _opts), do: conn
end
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