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Drop HTMLSanitizeEx and fix title sanitizing

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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
This commit is contained in:
Thomas Citharel 2020-06-24 16:33:59 +02:00
parent 0f489757f7
commit 83aa005faf
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GPG Key ID: A061B9DDE0CA0773
12 changed files with 40 additions and 17 deletions
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7
CHANGELOG.md
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@ -6,9 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## Unreleased
### Changed
- Completely replaced HTMLSanitizeEx with FastSanitize [!490](https://framagit.org/framasoft/mobilizon/-/merge_requests/490)
### Fixed
- Fixed notification scheduler (!486)[https://framagit.org/framasoft/mobilizon/-/merge_requests/486]
- Fixed notification scheduler [!486](https://framagit.org/framasoft/mobilizon/-/merge_requests/486)
- Fixed event title escaping [!490](https://framagit.org/framasoft/mobilizon/-/merge_requests/490)
## [1.0.0-beta.3] - 2020-06-24

9
lib/federation/activity_pub/activity_pub.ex
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@ -45,6 +45,7 @@ defmodule Mobilizon.Federation.ActivityPub do
alias Mobilizon.Federation.WebFinger
alias Mobilizon.GraphQL.API.Utils, as: APIUtils
alias Mobilizon.Service.Formatter.HTML
alias Mobilizon.Service.Notifications.Scheduler
alias Mobilizon.Service.RichMedia.Parser
@ -499,7 +500,7 @@ defmodule Mobilizon.Federation.ActivityPub do
metadata:
additional
|> Map.get(:metadata, %{})
|> Map.update(:message, nil, &String.trim(HtmlSanitizeEx.strip_tags(&1)))
|> Map.update(:message, nil, &String.trim(HTML.strip_tags(&1)))
}),
join_data <- Convertible.model_to_as(participant),
audience <-
@ -1257,7 +1258,7 @@ defmodule Mobilizon.Federation.ActivityPub do
# If title is not set: we are not updating it
args =
if Map.has_key?(args, :title) && !is_nil(args.title),
do: Map.update(args, :title, "", &String.trim(HtmlSanitizeEx.strip_tags(&1))),
do: Map.update(args, :title, "", &String.trim/1),
else: args
# If we've been given a description (we might not get one if updating)
@ -1344,7 +1345,7 @@ defmodule Mobilizon.Federation.ActivityPub do
defp prepare_args_for_group(args) do
with preferred_username <-
args |> Map.get(:preferred_username) |> HtmlSanitizeEx.strip_tags() |> String.trim(),
args |> Map.get(:preferred_username) |> HTML.strip_tags() |> String.trim(),
summary <- args |> Map.get(:summary, "") |> String.trim(),
{summary, _mentions, _tags} <-
summary |> String.trim() |> APIUtils.make_content_html([], "text/html") do
@ -1357,7 +1358,7 @@ defmodule Mobilizon.Federation.ActivityPub do
{:reporter, Actors.get_actor!(args.reporter_id)},
{:reported, %Actor{} = reported_actor} <-
{:reported, Actors.get_actor!(args.reported_id)},
content <- HtmlSanitizeEx.strip_tags(args.content),
content <- HTML.strip_tags(args.content),
event <- Conversations.get_comment(Map.get(args, :event_id)),
{:get_report_comments, comments} <-
{:get_report_comments,

3
lib/graphql/api/groups.ex
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@ -8,6 +8,7 @@ defmodule Mobilizon.GraphQL.API.Groups do
alias Mobilizon.Federation.ActivityPub
alias Mobilizon.Federation.ActivityPub.Activity
alias Mobilizon.Service.Formatter.HTML
@doc """
Create a group
@ -15,7 +16,7 @@ defmodule Mobilizon.GraphQL.API.Groups do
@spec create_group(map) :: {:ok, Activity.t(), Actor.t()} | any
def create_group(args) do
with preferred_username <-
args |> Map.get(:preferred_username) |> HtmlSanitizeEx.strip_tags() |> String.trim(),
args |> Map.get(:preferred_username) |> HTML.strip_tags() |> String.trim(),
{:existing_group, nil} <-
{:existing_group, Actors.get_local_group_by_title(preferred_username)},
{:ok, %Activity{} = activity, %Actor{} = group} <-

3
lib/service/export/icalendar.ex
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@ -7,6 +7,7 @@ defmodule Mobilizon.Service.Export.ICalendar do
alias Mobilizon.Actors.Actor
alias Mobilizon.Addresses.Address
alias Mobilizon.Events.{Event, FeedToken}
alias Mobilizon.Service.Formatter.HTML
alias Mobilizon.Storage.Page
alias Mobilizon.Users.User
@ -31,7 +32,7 @@ defmodule Mobilizon.Service.Export.ICalendar do
dtstart: event.begins_on,
dtstamp: event.publish_at || DateTime.utc_now(),
dtend: event.ends_on,
description: HtmlSanitizeEx.strip_tags(event.description),
description: HTML.strip_tags(event.description),
uid: event.uuid,
url: event.url,
geo: Address.coords(event.physical_address),

10
lib/service/formatter/html.ex
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@ -14,5 +14,15 @@ defmodule Mobilizon.Service.Formatter.HTML do
def filter_tags(html), do: Sanitizer.scrub(html, DefaultScrubbler)
def strip_tags(html) do
case FastSanitize.strip_tags(html) do
{:ok, html} ->
html
_ ->
raise "Failed to filter tags"
end
end
def filter_tags_for_oembed(html), do: Sanitizer.scrub(html, OEmbed)
end

7
lib/service/metadata/event.ex
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@ -2,6 +2,7 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
alias Phoenix.HTML
alias Phoenix.HTML.Tag
alias Mobilizon.Events.Event
alias Mobilizon.Service.Formatter.HTML, as: HTMLFormatter
alias Mobilizon.Web.JsonLD.ObjectView
alias Mobilizon.Web.MediaProxy
import Mobilizon.Web.Gettext
@ -49,15 +50,15 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
defp process_description(description, _locale) do
description
|> HtmlSanitizeEx.strip_tags()
|> HTMLFormatter.strip_tags()
|> String.slice(0..200)
|> (&"#{&1}…").()
end
# Insert JSON-LD schema by hand because Tag.content_tag wants to escape it
defp json(%Event{} = event) do
defp json(%Event{title: title} = event) do
"event.json"
|> ObjectView.render(%{event: event})
|> ObjectView.render(%{event: %{event | title: HTMLFormatter.strip_tags(title)}})
|> Jason.encode!()
end
end

3
lib/service/metadata/instance.ex
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@ -7,6 +7,7 @@ defmodule Mobilizon.Service.Metadata.Instance do
alias Phoenix.HTML.Tag
alias Mobilizon.Config
alias Mobilizon.Service.Formatter.HTML, as: HTMLFormatter
alias Mobilizon.Web.Endpoint
def build_tags do
@ -40,7 +41,7 @@ defmodule Mobilizon.Service.Metadata.Instance do
defp process_description(description) do
description
|> HtmlSanitizeEx.strip_tags()
|> HTMLFormatter.strip_tags()
|> String.slice(0..200)
|> (&"#{&1}…").()
end

3
lib/service/workers/build_search.ex
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@ -7,6 +7,7 @@ defmodule Mobilizon.Service.Workers.BuildSearch do
alias Mobilizon.Events
alias Mobilizon.Events.Event
alias Mobilizon.Service.Formatter.HTML
alias Mobilizon.Storage.Repo
use Mobilizon.Service.Workers.Helper, queue: "search"
@ -44,7 +45,7 @@ defmodule Mobilizon.Service.Workers.BuildSearch do
[
event.id,
event.title,
HtmlSanitizeEx.strip_tags(event.description),
HTML.strip_tags(event.description),
get_tags_string(event)
]
)

2
lib/web/templates/email/report.html.eex
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@ -66,7 +66,7 @@
<h3><%= gettext "Comments" %></h3>
<%= for comment <- @report.comments do %>
<p style="margin: 0;">
<%= HtmlSanitizeEx.strip_tags(comment.text) %>
<%= Mobilizon.Service.Formatter.HTML.strip_tags(comment.text) %>
</p>
<% end %>
<table cellspacing="0" cellpadding="0" border="0" width="100%" style="width: 100% !important;">

1
mix.exs
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@ -96,7 +96,6 @@ defmodule Mobilizon.Mixfile do
{:http_signatures,
git: "https://git.pleroma.social/pleroma/http_signatures.git",
ref: "293d77bb6f4a67ac8bde1428735c3b42f22cbb30"},
{:html_sanitize_ex, "~> 1.4.0"},
{:ex_cldr, "~> 2.0"},
{:ex_cldr_dates_times, "~> 2.2"},
{:ex_optimizer, "~> 0.1"},

3
test/graphql/api/report_test.exs
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@ -7,6 +7,7 @@ defmodule Mobilizon.GraphQL.API.ReportTest do
alias Mobilizon.Conversations.Comment
alias Mobilizon.Events.Event
alias Mobilizon.Reports.{Note, Report}
alias Mobilizon.Service.Formatter.HTML
alias Mobilizon.Users
alias Mobilizon.Users.User
@ -92,7 +93,7 @@ defmodule Mobilizon.GraphQL.API.ReportTest do
_comment_2 = insert(:comment, actor: reported)
comment = "This is really not acceptable, remote admin I don't know"
encoded_comment = HtmlSanitizeEx.strip_tags(comment)
encoded_comment = HTML.strip_tags(comment)
assert {:ok, %Activity{} = flag_activity, _} =
Reports.report(%{

6
test/graphql/resolvers/event_test.exs
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@ -193,7 +193,7 @@ defmodule Mobilizon.Web.Resolvers.EventTest do
)
end
test "create_event/3 creates an event and escapes title and description", %{
test "create_event/3 creates an event and escapes title", %{
conn: conn,
actor: actor,
user: user
@ -214,7 +214,9 @@ defmodule Mobilizon.Web.Resolvers.EventTest do
)
assert res["errors"] == nil
assert res["data"]["createEvent"]["title"] == "My Event title"
assert res["data"]["createEvent"]["title"] ==
"My Event title <img src=\"http://placekitten.com/g/200/300\" onclick=\"alert('aaa')\" >"
assert res["data"]["createEvent"]["description"] ==
"<b>My description</b> <img src=\"http://placekitten.com/g/200/300\"/>"