static_fe: Sanitize HTML in users

This commit is contained in:
Haelwenn (lanodan) Monnier 2020-03-15 17:00:54 +01:00
parent acb016397e
commit 8176ca9e40
5 changed files with 33 additions and 25 deletions

View file

@ -16,6 +16,7 @@ defmodule Pleroma.User do
alias Pleroma.Conversation.Participation
alias Pleroma.Delivery
alias Pleroma.FollowingRelationship
alias Pleroma.HTML
alias Pleroma.Keys
alias Pleroma.Notification
alias Pleroma.Object
@ -2032,4 +2033,27 @@ def set_invisible(user, invisible) do
|> validate_required([:invisible])
|> update_and_set_cache()
end
def sanitize_html(%User{} = user) do
sanitize_html(user, nil)
end
# User data that mastodon isn't filtering (treated as plaintext):
# - field name
# - display name
def sanitize_html(%User{} = user, filter) do
fields =
user
|> User.fields()
|> Enum.map(fn %{"name" => name, "value" => value} ->
%{
"name" => name,
"value" => HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly)
}
end)
user
|> Map.put(:bio, HTML.filter_tags(user.bio, filter))
|> Map.put(:fields, fields)
end
end

View file

@ -73,6 +73,7 @@ def render("user.json", %{user: user}) do
{:ok, _, public_key} = Keys.keys_from_pem(user.keys)
public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
public_key = :public_key.pem_encode([public_key])
user = User.sanitize_html(user)
endpoints = render("endpoints.json", %{user: user})
@ -81,12 +82,6 @@ def render("user.json", %{user: user}) do
fields =
user
|> User.fields()
|> Enum.map(fn %{"name" => name, "value" => value} ->
%{
"name" => Pleroma.HTML.strip_tags(name),
"value" => Pleroma.HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly)
}
end)
|> Enum.map(&Map.put(&1, "type", "PropertyValue"))
%{

View file

@ -5,7 +5,6 @@
defmodule Pleroma.Web.AdminAPI.AccountView do
use Pleroma.Web, :view
alias Pleroma.HTML
alias Pleroma.User
alias Pleroma.Web.AdminAPI.AccountView
alias Pleroma.Web.MediaProxy
@ -26,7 +25,8 @@ def render("index.json", %{users: users}) do
def render("show.json", %{user: user}) do
avatar = User.avatar_url(user) |> MediaProxy.url()
display_name = HTML.strip_tags(user.name || user.nickname)
display_name = Pleroma.HTML.strip_tags(user.name || user.nickname)
user = User.sanitize_html(user, FastSanitize.Sanitizer.StripTags)
%{
"id" => user.id,

View file

@ -5,7 +5,6 @@
defmodule Pleroma.Web.MastodonAPI.AccountView do
use Pleroma.Web, :view
alias Pleroma.HTML
alias Pleroma.User
alias Pleroma.Web.CommonAPI.Utils
alias Pleroma.Web.MastodonAPI.AccountView
@ -67,6 +66,7 @@ def render("relationships.json", %{user: user, targets: targets}) do
end
defp do_render("show.json", %{user: user} = opts) do
user = User.sanitize_html(user, User.html_filter_policy(opts[:for]))
display_name = user.name || user.nickname
image = User.avatar_url(user) |> MediaProxy.url()
@ -100,17 +100,6 @@ defp do_render("show.json", %{user: user} = opts) do
}
end)
fields =
user
|> User.fields()
|> Enum.map(fn %{"name" => name, "value" => value} ->
%{
"name" => name,
"value" => Pleroma.HTML.filter_tags(value, Pleroma.HTML.Scrubber.LinksOnly)
}
end)
bio = HTML.filter_tags(user.bio, User.html_filter_policy(opts[:for]))
relationship = render("relationship.json", %{user: opts[:for], target: user})
%{
@ -123,17 +112,17 @@ defp do_render("show.json", %{user: user} = opts) do
followers_count: followers_count,
following_count: following_count,
statuses_count: user.note_count,
note: bio || "",
note: user.bio || "",
url: User.profile_url(user),
avatar: image,
avatar_static: image,
header: header,
header_static: header,
emojis: emojis,
fields: fields,
fields: user.fields,
bot: bot,
source: %{
note: HTML.strip_tags((user.bio || "") |> String.replace("<br>", "\n")),
note: Pleroma.HTML.strip_tags((user.bio || "") |> String.replace("<br>", "\n")),
sensitive: false,
fields: user.raw_fields,
pleroma: %{

View file

@ -66,7 +66,7 @@ defp represent(%Activity{object: %Object{data: data}} = activity, selected) do
end
%{
user: user,
user: User.sanitize_html(user),
title: get_title(activity.object),
content: content,
attachment: data["attachment"],
@ -120,7 +120,7 @@ def show(%{assigns: %{username_or_id: username_or_id}} = conn, params) do
next_page_id = List.last(timeline) && List.last(timeline).id
render(conn, "profile.html", %{
user: user,
user: User.sanitize_html(user),
timeline: timeline,
prev_page_id: prev_page_id,
next_page_id: next_page_id,