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authorMark Felder <feld@feld.me>2023-05-26 13:23:59 -0400
committerHaelwenn (lanodan) Monnier <contact@hacktivis.me>2023-05-26 19:56:36 +0200
commit4505bc1e587ce76683e21a41f90fb2956ed2a084 (patch)
treeb93bf0320683ab2271c131bad857883b1ae82573
parentd0c2e0830b16c541d2883004f071a0954be45682 (diff)
Filter OEmbed HTML tags
-rw-r--r--changelog.d/3891.fix1
-rw-r--r--lib/pleroma/web/rich_media/parsers/o_embed.ex4
-rw-r--r--test/pleroma/web/rich_media/parser_test.exs4
3 files changed, 5 insertions, 4 deletions
diff --git a/changelog.d/3891.fix b/changelog.d/3891.fix
new file mode 100644
index 000000000..f1fb62d82
--- /dev/null
+++ b/changelog.d/3891.fix
@@ -0,0 +1 @@
+OEmbed HTML tags are now filtered
diff --git a/lib/pleroma/web/rich_media/parsers/o_embed.ex b/lib/pleroma/web/rich_media/parsers/o_embed.ex
index 75318d9c7..0f303176c 100644
--- a/lib/pleroma/web/rich_media/parsers/o_embed.ex
+++ b/lib/pleroma/web/rich_media/parsers/o_embed.ex
@@ -6,8 +6,8 @@ defmodule Pleroma.Web.RichMedia.Parsers.OEmbed do
def parse(html, _data) do
with elements = [_ | _] <- get_discovery_data(html),
oembed_url when is_binary(oembed_url) <- get_oembed_url(elements),
- {:ok, oembed_data} <- get_oembed_data(oembed_url) do
- oembed_data
+ {:ok, oembed_data = %{"html" => html}} <- get_oembed_data(oembed_url) do
+ %{oembed_data | "html" => Pleroma.HTML.filter_tags(html)}
else
_e -> %{}
end
diff --git a/test/pleroma/web/rich_media/parser_test.exs b/test/pleroma/web/rich_media/parser_test.exs
index ffdc4e5d7..9064138a6 100644
--- a/test/pleroma/web/rich_media/parser_test.exs
+++ b/test/pleroma/web/rich_media/parser_test.exs
@@ -129,7 +129,7 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
}}
end
- test "parses OEmbed" do
+ test "parses OEmbed and filters HTML tags" do
assert Parser.parse("http://example.com/oembed") ==
{:ok,
%{
@@ -139,7 +139,7 @@ defmodule Pleroma.Web.RichMedia.ParserTest do
"flickr_type" => "photo",
"height" => "768",
"html" =>
- "<a data-flickr-embed=\"true\" href=\"https://www.flickr.com/photos/bees/2362225867/\" title=\"Bacon Lollys by \u202E\u202D\u202Cbees\u202C, on Flickr\"><img src=\"https://farm4.staticflickr.com/3040/2362225867_4a87ab8baf_b.jpg\" width=\"1024\" height=\"768\" alt=\"Bacon Lollys\"></a><script async src=\"https://embedr.flickr.com/assets/client-code.js\" charset=\"utf-8\"></script>",
+ "<a href=\"https://www.flickr.com/photos/bees/2362225867/\" title=\"Bacon Lollys by \u202E\u202D\u202Cbees\u202C, on Flickr\"><img src=\"https://farm4.staticflickr.com/3040/2362225867_4a87ab8baf_b.jpg\" width=\"1024\" height=\"768\" alt=\"Bacon Lollys\"/></a>",
"license" => "All Rights Reserved",
"license_id" => 0,
"provider_name" => "Flickr",