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51 lines
1.6 KiB
Elixir
51 lines
1.6 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.EmbedController do
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use Pleroma.Web, :controller
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alias Pleroma.Activity
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alias Pleroma.Object
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.Visibility
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def show(conn, %{"id" => id}) do
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with {:activity, %Activity{} = activity} <-
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{:activity, Activity.get_by_id_with_object(id)},
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{:local, true} <- {:local, activity.local},
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{:visible, true} <- {:visible, Visibility.visible_for_user?(activity, nil)} do
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{:ok, author} = User.get_or_fetch(activity.object.data["actor"])
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conn
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|> delete_resp_header("x-frame-options")
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|> delete_resp_header("content-security-policy")
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|> put_view(Pleroma.Web.EmbedView)
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|> render("show.html",
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activity: activity,
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author: User.sanitize_html(author),
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counts: get_counts(activity)
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)
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else
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{:activity, _} ->
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render_error(conn, :not_found, "Post not found")
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{:local, false} ->
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render_error(conn, :unauthorized, "Federated posts cannot be embedded")
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{:visible, false} ->
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render_error(conn, :unauthorized, "Not authorized to view this post")
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end
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end
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defp get_counts(%Activity{} = activity) do
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%Object{data: data} = Object.normalize(activity, fetch: false)
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%{
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likes: Map.get(data, "like_count", 0),
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replies: Map.get(data, "repliesCount", 0),
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announces: Map.get(data, "announcement_count", 0)
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}
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end
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end
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