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100 lines
2.9 KiB
Elixir
100 lines
2.9 KiB
Elixir
defmodule Mobilizon.Web.FeedController do
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@moduledoc """
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Controller to serve RSS, ATOM and iCal Feeds
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"""
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use Mobilizon.Web, :controller
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plug(:put_layout, false)
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action_fallback(Mobilizon.Web.FallbackController)
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alias Mobilizon.Config
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require Logger
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@spec instance(Plug.Conn.t(), map()) :: Plug.Conn.t()
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def instance(conn, %{"format" => format}) do
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if Config.get([:instance, :enable_instance_feeds], false) do
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return_data(conn, format, "instance", Config.instance_name())
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else
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send_resp(conn, 401, "Instance feeds are not enabled.")
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end
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end
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@spec actor(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found}
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def actor(conn, %{"format" => format, "name" => name}) do
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return_data(conn, format, "actor_" <> name, name)
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end
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def actor(_conn, _) do
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{:error, :not_found}
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end
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@spec event(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found}
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def event(conn, %{"uuid" => uuid, "format" => "ics"}) do
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return_data(conn, "ics", "event_" <> uuid, "event")
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end
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def event(_conn, _) do
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{:error, :not_found}
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end
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@spec going(Plug.Conn.t(), map()) :: Plug.Conn.t() | {:error, :not_found}
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def going(conn, %{"token" => token, "format" => format}) do
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return_data(conn, format, "token_" <> token, "events")
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end
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def going(_conn, _) do
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{:error, :not_found}
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end
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@spec return_data(Plug.Conn.t(), String.t(), String.t(), String.t()) ::
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Plug.Conn.t() | {:error, :not_found}
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defp return_data(conn, "atom", key, filename) do
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case Cachex.fetch(:feed, key) do
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{status, data} when status in [:commit, :ok] ->
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conn
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|> put_resp_content_type("application/atom+xml")
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|> put_resp_header(
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"content-disposition",
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"attachment; filename=\"#{filename}.atom\""
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)
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|> send_resp(200, data)
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# No need to log these two
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{:ignore, :actor_not_found} ->
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{:error, :not_found}
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{:ignore, :actor_not_public} ->
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{:error, :not_found}
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err ->
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Logger.warning("Unable to find feed data cached for key #{key}, returned #{inspect(err)}")
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{:error, :not_found}
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end
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end
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defp return_data(conn, "ics", key, filename) do
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case Cachex.fetch(:ics, key) do
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{status, data} when status in [:commit, :ok] ->
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conn
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|> put_resp_content_type("text/calendar")
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|> put_resp_header(
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"content-disposition",
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"attachment; filename=\"#{filename}.ics\""
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)
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|> send_resp(200, data)
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# No need to log these two
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{:ignore, :actor_not_found} ->
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{:error, :not_found}
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{:ignore, :actor_not_public} ->
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{:error, :not_found}
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err ->
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Logger.warning("Unable to find feed data cached for key #{key}, returned #{inspect(err)}")
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{:error, :not_found}
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end
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end
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defp return_data(_conn, _, _, _) do
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{:error, :not_found}
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end
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end
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