I am not sure what's going on anymore so I'll just commit and reset all the other files to HEAD

This commit is contained in:
Rin Toshaka 2018-12-29 17:45:50 +01:00
parent 922abcda61
commit 19f9889fbe
6 changed files with 81 additions and 17 deletions

View file

@ -5,18 +5,8 @@
defmodule Pleroma.HTML do
alias HtmlSanitizeEx.Scrubber
defp get_scrubbers(scrubber) when is_atom(scrubber), do: [scrubber]
defp get_scrubbers(scrubbers) when is_list(scrubbers), do: scrubbers
defp get_scrubbers(_), do: [Pleroma.HTML.Scrubber.Default]
def get_scrubbers() do
Pleroma.Config.get([:markup, :scrub_policy])
|> get_scrubbers
end
def filter_tags(html, nil) do
get_scrubbers()
|> Enum.reduce(html, fn scrubber, html ->
def filter_tags(html, scrubbers) when is_list(scrubbers) do
Enum.reduce(scrubbers, html, fn scrubber, html ->
filter_tags(html, scrubber)
end)
end
@ -39,6 +29,10 @@ defmodule Pleroma.HTML.Scrubber.TwitterText do
require HtmlSanitizeEx.Scrubber.Meta
alias HtmlSanitizeEx.Scrubber.Meta
def version do
0
end
Meta.remove_cdata_sections_before_scrub()
Meta.strip_comments()
@ -77,6 +71,10 @@ defmodule Pleroma.HTML.Scrubber.Default do
require HtmlSanitizeEx.Scrubber.Meta
alias HtmlSanitizeEx.Scrubber.Meta
def version do
0
end
@markup Application.get_env(:pleroma, :markup)
@uri_schemes Application.get_env(:pleroma, :uri_schemes, [])
@valid_schemes Keyword.get(@uri_schemes, :valid_schemes, [])
@ -152,6 +150,10 @@ defmodule Pleroma.HTML.Scrubber.Default do
defmodule Pleroma.HTML.Transform.MediaProxy do
@moduledoc "Transforms inline image URIs to use MediaProxy."
def version do
0
end
alias Pleroma.Web.MediaProxy
def before_scrub(html), do: html

View file

@ -733,7 +733,9 @@ def html_filter_policy(%User{info: %{no_rich_text: true}}) do
Pleroma.HTML.Scrubber.TwitterText
end
def html_filter_policy(_), do: nil
@default_scrubbers Pleroma.Config.get([:markup, :scrub_policy])
def html_filter_policy(_), do: @default_scrubbers
def get_or_fetch_by_ap_id(ap_id) do
user = get_by_ap_id(ap_id)

View file

@ -128,7 +128,8 @@ def post(user, %{"status" => status} = data) do
|> Enum.reduce(%{}, fn {name, file}, acc ->
Map.put(acc, name, "#{Pleroma.Web.Endpoint.static_url()}#{file}")
end)
) do
),
object <- Map.put(object, "scrubber_cache", %{}) do
res =
ActivityPub.create(%{
to: to,

View file

@ -5,7 +5,7 @@
defmodule Pleroma.Web.CommonAPI.Utils do
alias Calendar.Strftime
alias Comeonin.Pbkdf2
alias Pleroma.{Activity, Formatter, Object, Repo}
alias Pleroma.{Activity, Formatter, Object, Repo, HTML}
alias Pleroma.User
alias Pleroma.Web
alias Pleroma.Web.ActivityPub.Utils
@ -261,4 +261,63 @@ def emoji_from_profile(%{info: _info} = user) do
}
end)
end
@doc """
Get sanitized HTML from cache, or scrub it and save to cache.
"""
def get_scrubbed_html(
content,
scrubbers,
%{data: %{"object" => object}} = activity
) do
scrubber_cache =
if object["scrubber_cache"] != nil and is_list(object["scrubber_cache"]) do
object["scrubber_cache"]
else
[]
end
key = generate_scrubber_key(scrubbers)
{new_scrubber_cache, scrubbed_html} =
Enum.map_reduce(scrubber_cache, nil, fn %{
:scrubbers => current_key,
:content => current_content
},
_ ->
if Map.keys(current_key) == Map.keys(key) do
if scrubbers == key do
{current_key, current_content}
else
# Remove the entry if scrubber version is outdated
{nil, nil}
end
end
end)
new_scrubber_cache = Enum.reject(new_scrubber_cache, &is_nil/1)
if !(new_scrubber_cache == scrubber_cache) or scrubbed_html == nil do
scrubbed_html = HTML.filter_tags(content, scrubbers)
new_scrubber_cache = [%{:scrubbers => key, :content => scrubbed_html} | new_scrubber_cache]
activity =
Map.merge(activity, %{
data: %{"object" => %{"scrubber_cache" => new_scrubber_cache}}
})
cng = Ecto.Changeset.change(activity)
Repo.update(cng)
scrubbed_html
else
IO.puts("got the post from cache")
scrubbed_html
end
end
defp generate_scrubber_key(scrubbers) do
Enum.reduce(scrubbers, %{}, fn scrubber, acc ->
Map.put(acc, to_string(scrubber), scrubber.version)
end)
end
end

View file

@ -120,7 +120,7 @@ def render("status.json", %{activity: %{data: %{"object" => object}} = activity}
content =
object
|> render_content()
|> HTML.filter_tags(User.html_filter_policy(opts[:for]))
|> Utils.get_scrubbed_html(User.html_filter_policy(opts[:for]), activity)
%{
id: to_string(activity.id),

View file

@ -245,7 +245,7 @@ def render(
html =
content
|> HTML.filter_tags(User.html_filter_policy(opts[:for]))
|> Utils.get_scrubbed_html(User.html_filter_policy(opts[:for]), activity)
|> Formatter.emojify(object["emoji"])
text =