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Move scrubber cache-related functions to Pleroma.HTML

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This commit is contained in:
Rin Toshaka 2018-12-31 08:19:48 +01:00
parent 05743e2000
commit 7e09c2bd7d
4 changed files with 38 additions and 38 deletions
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34
lib/pleroma/html.ex
View file

@ -27,6 +27,40 @@ def filter_tags(html, scrubbers) when is_list(scrubbers) do
def filter_tags(html, scrubber), do: Scrubber.scrub(html, scrubber)
def filter_tags(html), do: filter_tags(html, nil)
def strip_tags(html), do: Scrubber.scrub(html, Scrubber.StripTags)
def get_cached_scrubbed_html_for_object(content, scrubbers, object) do
key = "#{generate_scrubber_signature(scrubbers)}|#{object.id}"
Cachex.fetch!(:scrubber_cache, key, fn _key -> ensure_scrubbed_html(content, scrubbers) end)
end
def get_cached_stripped_html_for_object(content, object) do
get_cached_scrubbed_html_for_object(content, HtmlSanitizeEx.Scrubber.StripTags, object)
end
def ensure_scrubbed_html(
content,
scrubbers
) do
{:commit, filter_tags(content, scrubbers)}
end
defp generate_scrubber_signature(scrubber) when is_atom(scrubber) do
generate_scrubber_signature([scrubber])
end
defp generate_scrubber_signature(scrubbers) do
Enum.reduce(scrubbers, "", fn scrubber, signature ->
# If a scrubber does not have a version(e.g HtmlSanitizeEx.Scrubber.StripTags) it is assumed it is always 0)
version =
if Kernel.function_exported?(scrubber, :version, 0) do
scrubber.version
else
0
end
"#{signature}#{to_string(scrubber)}#{version}"
end)
end
end
defmodule Pleroma.HTML.Scrubber.TwitterText do

34
lib/pleroma/object.ex
View file

@ -4,7 +4,6 @@
defmodule Pleroma.Object do
use Ecto.Schema
alias Pleroma.{Repo, Object, User, Activity, HTML, ObjectTombstone}
alias Pleroma.{Repo, Object, User, Activity, ObjectTombstone}
import Ecto.{Query, Changeset}
@ -92,37 +91,4 @@ def delete(%Object{data: %{"id" => id}} = object) do
end
end
def get_cached_scrubbed_html(content, scrubbers, object) do
key = "#{generate_scrubber_signature(scrubbers)}|#{object.id}"
Cachex.fetch!(:scrubber_cache, key, fn _key -> ensure_scrubbed_html(content, scrubbers) end)
end
def get_cached_stripped_html(content, object) do
get_cached_scrubbed_html(content, HtmlSanitizeEx.Scrubber.StripTags, object)
end
def ensure_scrubbed_html(
content,
scrubbers
) do
{:commit, HTML.filter_tags(content, scrubbers)}
end
defp generate_scrubber_signature(scrubber) when is_atom(scrubber) do
generate_scrubber_signature([scrubber])
end
defp generate_scrubber_signature(scrubbers) do
Enum.reduce(scrubbers, "", fn scrubber, signature ->
# If a scrubber does not have a version(e.g HtmlSanitizeEx.Scrubber.StripTags) it is assumed it is always 0)
version =
if Kernel.function_exported?(scrubber, :version, 0) do
scrubber.version
else
0
end
"#{signature}#{to_string(scrubber)}#{version}"
end)
end
end

3
lib/pleroma/web/mastodon_api/views/status_view.ex
View file

@ -9,7 +9,6 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
alias Pleroma.HTML
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Object
alias Pleroma.Web.CommonAPI.Utils
alias Pleroma.Web.MediaProxy
alias Pleroma.Web.MastodonAPI.AccountView
@ -121,7 +120,7 @@ def render("status.json", %{activity: %{data: %{"object" => object}} = activity}
content =
object
|> render_content()
|> Object.get_cached_scrubbed_html(User.html_filter_policy(opts[:for]), activity)
|> HTML.get_cached_scrubbed_html_for_object(User.html_filter_policy(opts[:for]), activity)
%{
id: to_string(activity.id),

5
lib/pleroma/web/twitter_api/views/activity_view.ex
View file

@ -11,6 +11,7 @@ defmodule Pleroma.Web.TwitterAPI.ActivityView do
alias Pleroma.Web.TwitterAPI.TwitterAPI
alias Pleroma.Web.TwitterAPI.Representers.ObjectRepresenter
alias Pleroma.Activity
alias Pleroma.HTML
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Repo
@ -244,14 +245,14 @@ def render(
html =
content
|> Object.get_cached_scrubbed_html(User.html_filter_policy(opts[:for]), activity)
|> HTML.get_cached_scrubbed_html_for_object(User.html_filter_policy(opts[:for]), activity)
|> Formatter.emojify(object["emoji"])
text =
if content do
content
|> String.replace(~r/<br\s?\/?>/, "\n")
|> Object.get_cached_stripped_html(activity)
|> HTML.get_cached_stripped_html_for_object(activity)
end
reply_parent = Activity.get_in_reply_to_activity(activity)