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25 lines
807 B
Elixir
25 lines
807 B
Elixir
defmodule LiveBeatsWeb.FileController do
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@moduledoc """
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Serves files based on short-term token grants.
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"""
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use LiveBeatsWeb, :controller
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alias LiveBeats.MediaLibrary
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def show(conn, %{"id" => filename_uuid, "token" => token}) do
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case Phoenix.Token.verify(conn, "file", token, max_age: :timer.minutes(10)) do
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{:ok, ^filename_uuid} -> do_send_file(conn, MediaLibrary.local_filepath(filename_uuid))
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{:ok, _} -> send_resp(conn, :unauthorized, "")
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{:error, _} -> send_resp(conn, :unauthorized, "")
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end
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end
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defp do_send_file(conn, path) do
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# accept-ranges headers required for chrome to seek via currentTime
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conn
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|> put_resp_header("content-type", MIME.from_path(path))
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|> put_resp_header("accept-ranges", "bytes")
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|> send_file(200, path)
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end
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end
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