akkoma/lib/pleroma/web/feed/user_controller.ex

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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Feed.UserController do
use Pleroma.Web, :controller
alias Pleroma.User
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.ActivityPub.ActivityPubController
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alias Pleroma.Web.Feed.FeedView
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plug(Pleroma.Web.Plugs.SetFormatPlug when action in [:feed_redirect])
action_fallback(:errors)
def feed_redirect(%{assigns: %{format: "html"}} = conn, %{"nickname" => nickname}) do
with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname_or_id(nickname)} do
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Pleroma.Web.Fallback.RedirectController.redirector_with_meta(conn, %{user: user})
end
end
def feed_redirect(%{assigns: %{format: format}} = conn, _params)
when format in ["json", "activity+json"] do
with %{halted: false} = conn <-
Pleroma.Plugs.EnsureAuthenticatedPlug.call(conn,
unless_func: &Pleroma.Web.FederatingPlug.federating?/1
) do
ActivityPubController.call(conn, :user)
end
end
def feed_redirect(conn, %{"nickname" => nickname}) do
with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
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redirect(conn, external: "#{user_feed_url(conn, :feed, user.nickname)}.atom")
end
end
def feed(conn, params) do
unless Pleroma.Config.restrict_unauthenticated_access?(:profiles, :local) do
render_feed(conn, params)
else
errors(conn, {:error, :not_found})
end
end
def render_feed(conn, %{"nickname" => nickname} = params) do
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format = get_format(conn)
format =
if format in ["rss", "atom"] do
format
else
"atom"
end
with {_, %User{local: true} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
activities =
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%{
type: ["Create"],
actor_id: user.ap_id
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}
|> Pleroma.Maps.put_if_present(:max_id, params["max_id"])
|> ActivityPub.fetch_public_or_unlisted_activities()
conn
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|> put_resp_content_type("application/#{format}+xml")
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|> put_view(FeedView)
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|> render("user.#{format}",
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user: user,
activities: activities,
feed_config: Pleroma.Config.get([:feed])
)
end
end
def errors(conn, {:error, :not_found}) do
render_error(conn, :not_found, "Not found")
end
def errors(conn, {:fetch_user, %User{local: false}}), do: errors(conn, {:error, :not_found})
def errors(conn, {:fetch_user, nil}), do: errors(conn, {:error, :not_found})
def errors(conn, _) do
render_error(conn, :internal_server_error, "Something went wrong")
end
end