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diff --git a/lib/pleroma/web/feed/feed_view.ex b/lib/pleroma/web/feed/feed_view.ex
index 3cb717288..9b7426792 100644
--- a/lib/pleroma/web/feed/feed_view.ex
+++ b/lib/pleroma/web/feed/feed_view.ex
@@ -1,192 +1,191 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Feed.FeedView do
use Phoenix.HTML
use Pleroma.Web, :view
alias Pleroma.Formatter
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.Gettext
alias Pleroma.Web.MediaProxy
require Pleroma.Constants
@days ~w(Mon Tue Wed Thu Fri Sat Sun)
@months ~w(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec)
def prepare_activity(activity, opts \\ []) do
object = Object.normalize(activity, fetch: false)
actor =
if opts[:actor] do
Pleroma.User.get_cached_by_ap_id(activity.actor)
end
%{
activity: activity,
object: object,
data: Map.get(object, :data),
actor: actor
}
end
def most_recent_update(activities) do
with %{updated_at: updated_at} <- List.first(activities) do
to_rfc3339(updated_at)
end
end
def most_recent_update(activities, user, :atom) do
(List.first(activities) || user).updated_at
|> to_rfc3339()
end
def most_recent_update(activities, user, :rss) do
(List.first(activities) || user).updated_at
|> to_rfc2822()
end
def feed_logo do
case Pleroma.Config.get([:feed, :logo]) do
nil ->
"#{Pleroma.Web.Endpoint.url()}/static/logo.svg"
logo ->
"#{Pleroma.Web.Endpoint.url()}#{logo}"
end
|> MediaProxy.url()
end
def email(user) do
user.nickname <> "@" <> Pleroma.Web.Endpoint.host()
end
def logo(user) do
user
|> User.avatar_url()
|> MediaProxy.url()
end
def last_activity(activities), do: List.last(activities)
def activity_title(%{"content" => content} = data, opts \\ %{}) do
summary = Map.get(data, "summary", "")
title =
cond do
summary != "" -> summary
content != "" -> activity_content(data)
true -> "a post"
end
title
- |> Pleroma.Web.Metadata.Utils.scrub_html()
- |> Pleroma.Emoji.Formatter.demojify()
- |> Formatter.truncate(opts[:max_length], opts[:omission])
+ |> Pleroma.Web.Metadata.Utils.scrub_html_and_truncate(opts[:max_length], opts[:omission])
+ |> HtmlEntities.encode()
end
def activity_description(data) do
content = activity_content(data)
summary = data["summary"]
cond do
content != "" -> escape(content)
summary != "" -> escape(summary)
true -> escape(data["type"])
end
end
def activity_content(%{"content" => content}) do
content
|> String.replace(~r/[\n\r]/, "")
end
def activity_content(_), do: ""
def activity_context(activity), do: escape(activity.data["context"])
def attachment_href(attachment) do
attachment["url"]
|> hd()
|> Map.get("href")
end
def attachment_type(attachment) do
attachment["url"]
|> hd()
|> Map.get("mediaType")
end
def get_href(id) do
with %Object{data: %{"external_url" => external_url}} <- Object.get_cached_by_ap_id(id) do
external_url
else
_e -> id
end
end
def escape(html) do
html
|> html_escape()
|> safe_to_string()
end
@spec to_rfc3339(String.t() | NativeDateTime.t()) :: String.t()
def to_rfc3339(date) when is_binary(date) do
date
|> Timex.parse!("{ISO:Extended}")
|> to_rfc3339()
end
def to_rfc3339(nd) do
nd
|> Timex.to_datetime()
|> Timex.format!("{RFC3339}")
end
@spec to_rfc2822(String.t() | DateTime.t() | NativeDateTime.t()) :: String.t()
def to_rfc2822(datestr) when is_binary(datestr) do
datestr
|> Timex.parse!("{ISO:Extended}")
|> to_rfc2822()
end
def to_rfc2822(%DateTime{} = date) do
date
|> DateTime.to_naive()
|> NaiveDateTime.to_erl()
|> rfc2822_from_erl()
end
def to_rfc2822(nd) do
nd
|> Timex.to_datetime()
|> DateTime.to_naive()
|> NaiveDateTime.to_erl()
|> rfc2822_from_erl()
end
@doc """
Builds a RFC2822 timestamp from an Erlang timestamp
[RFC2822 3.3 - Date and Time Specification](https://tools.ietf.org/html/rfc2822#section-3.3)
This function always assumes the Erlang timestamp is in Universal time, not Local time
"""
def rfc2822_from_erl({{year, month, day} = date, {hour, minute, second}}) do
day_name = Enum.at(@days, :calendar.day_of_the_week(date) - 1)
month_name = Enum.at(@months, month - 1)
date_part = "#{day_name}, #{day} #{month_name} #{year}"
time_part = "#{pad(hour)}:#{pad(minute)}:#{pad(second)}"
date_part <> " " <> time_part <> " +0000"
end
defp pad(num) do
num
|> Integer.to_string()
|> String.pad_leading(2, "0")
end
end
diff --git a/test/pleroma/web/feed/user_controller_test.exs b/test/pleroma/web/feed/user_controller_test.exs
index de32d3d4b..d3c4108de 100644
--- a/test/pleroma/web/feed/user_controller_test.exs
+++ b/test/pleroma/web/feed/user_controller_test.exs
@@ -1,264 +1,302 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.Feed.UserControllerTest do
use Pleroma.Web.ConnCase
import Pleroma.Factory
import SweetXml
alias Pleroma.Object
alias Pleroma.User
alias Pleroma.Web.CommonAPI
alias Pleroma.Web.Feed.FeedView
setup do: clear_config([:static_fe, :enabled], false)
describe "feed" do
setup do: clear_config([:feed])
setup do
clear_config(
[:feed, :post_title],
%{max_length: 15, omission: "..."}
)
activity = insert(:note_activity)
note =
insert(:note,
data: %{
"content" => "This & this is :moominmamma: note ",
"source" => "This & this is :moominmamma: note ",
"attachment" => [
%{
"url" => [
%{"mediaType" => "image/png", "href" => "https://pleroma.gov/image.png"}
]
}
],
"inReplyTo" => activity.data["id"],
"context" => "2hu & as",
"summary" => "2hu & as"
}
)
note_activity = insert(:note_activity, note: note)
user = User.get_cached_by_ap_id(note_activity.data["actor"])
note2 =
insert(:note,
user: user,
data: %{
"content" => "42 & This is :moominmamma: note ",
"inReplyTo" => activity.data["id"]
}
)
note_activity2 = insert(:note_activity, note: note2)
+
+ note3 =
+ insert(:note,
+ user: user,
+ data: %{
+ "content" => "This note tests whether HTML entities are truncated properly",
+ "summary" => "Won't, didn't fail",
+ "inReplyTo" => note_activity2.id
+ }
+ )
+
+ _note_activity3 = insert(:note_activity, note: note3)
object = Object.normalize(note_activity, fetch: false)
- [user: user, object: object, max_id: note_activity2.id]
+ encoded_title = FeedView.activity_title(note3.data)
+
+ [user: user, object: object, max_id: note_activity2.id, encoded_title: encoded_title]
end
test "gets an atom feed", %{conn: conn, user: user, object: object, max_id: max_id} do
resp =
conn
|> put_req_header("accept", "application/atom+xml")
|> get(user_feed_path(conn, :feed, user.nickname))
|> response(200)
activity_titles =
resp
|> SweetXml.parse()
|> SweetXml.xpath(~x"//entry/title/text()"l)
- assert activity_titles == ['2hu', '2hu & as']
+ assert activity_titles == ['Won\'t, didn\'...', '2hu', '2hu & as']
assert resp =~ FeedView.escape(object.data["content"])
assert resp =~ FeedView.escape(object.data["summary"])
assert resp =~ FeedView.escape(object.data["context"])
resp =
conn
|> put_req_header("accept", "application/atom+xml")
|> get("/users/#{user.nickname}/feed", %{"max_id" => max_id})
|> response(200)
activity_titles =
resp
|> SweetXml.parse()
|> SweetXml.xpath(~x"//entry/title/text()"l)
assert activity_titles == ['2hu & as']
end
test "gets a rss feed", %{conn: conn, user: user, object: object, max_id: max_id} do
resp =
conn
|> put_req_header("accept", "application/rss+xml")
|> get("/users/#{user.nickname}/feed.rss")
|> response(200)
activity_titles =
resp
|> SweetXml.parse()
|> SweetXml.xpath(~x"//item/title/text()"l)
- assert activity_titles == ['2hu', '2hu & as']
+ assert activity_titles == ['Won\'t, didn\'...', '2hu', '2hu & as']
assert resp =~ FeedView.escape(object.data["content"])
assert resp =~ FeedView.escape(object.data["summary"])
assert resp =~ FeedView.escape(object.data["context"])
resp =
conn
|> put_req_header("accept", "application/rss+xml")
|> get("/users/#{user.nickname}/feed.rss", %{"max_id" => max_id})
|> response(200)
activity_titles =
resp
|> SweetXml.parse()
|> SweetXml.xpath(~x"//item/title/text()"l)
assert activity_titles == ['2hu & as']
end
test "returns 404 for a missing feed", %{conn: conn} do
conn =
conn
|> put_req_header("accept", "application/atom+xml")
|> get(user_feed_path(conn, :feed, "nonexisting"))
assert response(conn, 404)
end
test "returns feed with public and unlisted activities", %{conn: conn} do
user = insert(:user)
{:ok, _} = CommonAPI.post(user, %{status: "public", visibility: "public"})
{:ok, _} = CommonAPI.post(user, %{status: "direct", visibility: "direct"})
{:ok, _} = CommonAPI.post(user, %{status: "unlisted", visibility: "unlisted"})
{:ok, _} = CommonAPI.post(user, %{status: "private", visibility: "private"})
resp =
conn
|> put_req_header("accept", "application/atom+xml")
|> get(user_feed_path(conn, :feed, user.nickname))
|> response(200)
activity_titles =
resp
|> SweetXml.parse()
|> SweetXml.xpath(~x"//entry/title/text()"l)
|> Enum.sort()
assert activity_titles == ['public', 'unlisted']
end
test "returns 404 when the user is remote", %{conn: conn} do
user = insert(:user, local: false)
{:ok, _} = CommonAPI.post(user, %{status: "test"})
assert conn
|> put_req_header("accept", "application/atom+xml")
|> get(user_feed_path(conn, :feed, user.nickname))
|> response(404)
end
test "does not require authentication on non-federating instances", %{conn: conn} do
clear_config([:instance, :federating], false)
user = insert(:user)
conn
|> put_req_header("accept", "application/rss+xml")
|> get("/users/#{user.nickname}/feed.rss")
|> response(200)
end
+
+ test "does not mangle HTML entities midway", %{
+ conn: conn,
+ user: user,
+ object: object,
+ encoded_title: encoded_title
+ } do
+ resp =
+ conn
+ |> put_req_header("accept", "application/atom+xml")
+ |> get(user_feed_path(conn, :feed, user.nickname))
+ |> response(200)
+
+ activity_titles =
+ resp
+ |> SweetXml.parse()
+ |> SweetXml.xpath(~x"//entry/title/text()"l)
+
+ assert activity_titles == ['Won\'t, didn\'...', '2hu', '2hu & as']
+ assert resp =~ FeedView.escape(object.data["content"])
+ assert resp =~ FeedView.escape(object.data["summary"])
+ assert resp =~ FeedView.escape(object.data["context"])
+ assert resp =~ encoded_title
+ end
end
# Note: see ActivityPubControllerTest for JSON format tests
describe "feed_redirect" do
test "with html format, it redirects to user feed", %{conn: conn} do
note_activity = insert(:note_activity)
user = User.get_cached_by_ap_id(note_activity.data["actor"])
response =
conn
|> get("/users/#{user.nickname}")
|> response(200)
assert response ==
Pleroma.Web.Fallback.RedirectController.redirector_with_meta(
conn,
%{user: user}
).resp_body
end
test "with html format, it falls back to frontend when user is remote", %{conn: conn} do
user = insert(:user, local: false)
{:ok, _} = CommonAPI.post(user, %{status: "test"})
response =
conn
|> get("/users/#{user.nickname}")
|> response(200)
assert response =~ "</html>"
end
test "with html format, it falls back to frontend when user is not found", %{conn: conn} do
response =
conn
|> get("/users/jimm")
|> response(200)
assert response =~ "</html>"
end
test "with non-html / non-json format, it redirects to user feed in atom format", %{
conn: conn
} do
note_activity = insert(:note_activity)
user = User.get_cached_by_ap_id(note_activity.data["actor"])
conn =
conn
|> put_req_header("accept", "application/xml")
|> get("/users/#{user.nickname}")
assert conn.status == 302
assert redirected_to(conn) ==
"#{Pleroma.Web.Endpoint.url()}/users/#{user.nickname}/feed.atom"
end
test "with non-html / non-json format, it returns error when user is not found", %{conn: conn} do
response =
conn
|> put_req_header("accept", "application/xml")
|> get(user_feed_path(conn, :feed, "jimm"))
|> response(404)
assert response == ~S({"error":"Not found"})
end
end
describe "private instance" do
setup do: clear_config([:instance, :public])
test "returns 404 for user feed", %{conn: conn} do
clear_config([:instance, :public], false)
user = insert(:user)
{:ok, _} = CommonAPI.post(user, %{status: "test"})
assert conn
|> put_req_header("accept", "application/atom+xml")
|> get(user_feed_path(conn, :feed, user.nickname))
|> response(404)
end
end
end

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