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97 lines
2.4 KiB
Elixir
97 lines
2.4 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Plugs.UploadedMedia do
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@moduledoc """
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"""
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import Plug.Conn
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import Pleroma.Web.Gettext
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require Logger
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@behaviour Plug
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# no slashes
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@path "media"
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@default_cache_control_header "public, max-age=1209600"
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def init(_opts) do
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static_plug_opts =
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[
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headers: %{"cache-control" => @default_cache_control_header},
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cache_control_for_etags: @default_cache_control_header
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]
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|> Keyword.put(:from, "__unconfigured_media_plug")
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|> Keyword.put(:at, "/__unconfigured_media_plug")
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|> Plug.Static.init()
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%{static_plug_opts: static_plug_opts}
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end
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def call(%{request_path: <<"/", @path, "/", file::binary>>} = conn, opts) do
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conn =
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case fetch_query_params(conn) do
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%{query_params: %{"name" => name}} = conn ->
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name = String.replace(name, "\"", "\\\"")
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conn
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|> put_resp_header("content-disposition", "filename=\"#{name}\"")
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conn ->
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conn
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end
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config = Pleroma.Config.get(Pleroma.Upload)
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with uploader <- Keyword.fetch!(config, :uploader),
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proxy_remote = Keyword.get(config, :proxy_remote, false),
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{:ok, get_method} <- uploader.get_file(file) do
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get_media(conn, get_method, proxy_remote, opts)
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else
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_ ->
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conn
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|> send_resp(:internal_server_error, dgettext("errors", "Failed"))
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|> halt()
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end
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end
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def call(conn, _opts), do: conn
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defp get_media(conn, {:static_dir, directory}, _, opts) do
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static_opts =
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Map.get(opts, :static_plug_opts)
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|> Map.put(:at, [@path])
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|> Map.put(:from, directory)
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conn = Plug.Static.call(conn, static_opts)
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if conn.halted do
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conn
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else
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conn
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|> send_resp(:not_found, dgettext("errors", "Not found"))
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|> halt()
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end
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end
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defp get_media(conn, {:url, url}, true, _) do
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conn
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|> Pleroma.ReverseProxy.call(url, Pleroma.Config.get([Pleroma.Upload, :proxy_opts], []))
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end
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defp get_media(conn, {:url, url}, _, _) do
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conn
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|> Phoenix.Controller.redirect(external: url)
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|> halt()
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end
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defp get_media(conn, unknown, _, _) do
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Logger.error("#{__MODULE__}: Unknown get startegy: #{inspect(unknown)}")
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conn
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|> send_resp(:internal_server_error, dgettext("errors", "Internal Error"))
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|> halt()
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end
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end
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