X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Frich_media%2Fparser.ex;h=40980def8198d134496ed429a3efd494352c4c95;hb=b2eb1124d115beda0907121c3c6f10783b34f352;hp=ba8dc6f2a4b0812a9d3a715ce36deefdd921b215;hpb=18234cc44e6bc989e3e3cf15714c54b4fa05b9dd;p=akkoma diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex index ba8dc6f2a..40980def8 100644 --- a/lib/pleroma/web/rich_media/parser.ex +++ b/lib/pleroma/web/rich_media/parser.ex @@ -1,13 +1,11 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors +# Copyright © 2017-2020 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.RichMedia.Parser do - @hackney_options [ + @options [ pool: :media, - recv_timeout: 2_000, - max_body: 2_000_000, - with_body: true + max_body: 2_000_000 ] defp parsers do @@ -35,17 +33,17 @@ defmodule Pleroma.Web.RichMedia.Parser do @doc """ Set the rich media cache based on the expiration time of image. - Define a module that has `run` function + Adopt behaviour `Pleroma.Web.RichMedia.Parser.TTL` ## Example defmodule MyModule do - def run(data, url) do + @behaviour Pleroma.Web.RichMedia.Parser.TTL + def ttl(data, url) do image_url = Map.get(data, :image) # do some parsing in the url and get the ttl of the image - # ttl is unix time - ttl = parse_ttl_from_url(image_url) - Cachex.expire_at(:rich_media_cache, url, ttl * 1000) + # and return ttl is unix time + parse_ttl_from_url(image_url) end end @@ -55,37 +53,55 @@ defmodule Pleroma.Web.RichMedia.Parser do ttl_setters: [MyModule] """ def set_ttl_based_on_image({:ok, data}, url) do - case Cachex.ttl(:rich_media_cache, url) do - {:ok, nil} -> - modules = Pleroma.Config.get([:rich_media, :ttl_setters]) - - if Enum.count(modules) > 0 do - Enum.each(modules, & &1.run(data, url)) - end - - {:ok, data} - + with {:ok, nil} <- Cachex.ttl(:rich_media_cache, url), + ttl when is_number(ttl) <- get_ttl_from_image(data, url) do + Cachex.expire_at(:rich_media_cache, url, ttl * 1000) + {:ok, data} + else _ -> {:ok, data} end end - def set_ttl_based_on_image(data, _url), do: data + defp get_ttl_from_image(data, url) do + Pleroma.Config.get([:rich_media, :ttl_setters]) + |> Enum.reduce({:ok, nil}, fn + module, {:ok, _ttl} -> + module.ttl(data, url) + + _, error -> + error + end) + end defp parse_url(url) do + opts = + if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do + Keyword.merge(@options, + recv_timeout: 2_000, + with_body: true + ) + else + @options + end + try do - {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url, [], adapter: @hackney_options) + {:ok, %Tesla.Env{body: html}} = Pleroma.HTTP.get(url, [], adapter: opts) html + |> parse_html() |> maybe_parse() + |> Map.put(:url, url) |> clean_parsed_data() |> check_parsed_data() rescue e -> - {:error, "Parsing error: #{inspect(e)}"} + {:error, "Parsing error: #{inspect(e)} #{inspect(__STACKTRACE__)}"} end end + defp parse_html(html), do: Floki.parse_document!(html) + defp maybe_parse(html) do Enum.reduce_while(parsers(), %{}, fn parser, acc -> case parser.parse(html, acc) do @@ -95,7 +111,8 @@ defmodule Pleroma.Web.RichMedia.Parser do end) end - defp check_parsed_data(%{title: title} = data) when is_binary(title) and byte_size(title) > 0 do + defp check_parsed_data(%{title: title} = data) + when is_binary(title) and byte_size(title) > 0 do {:ok, data} end