add tag feeds

This commit is contained in:
Maksim Pechnikov 2019-12-17 22:13:45 +03:00
parent a879c396bb
commit b53573a837
9 changed files with 149 additions and 33 deletions

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@ -86,6 +86,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
- Mastodon API: `/api/v1/update_credentials` accepts `actor_type` field.
- Captcha: Support native provider
- Captcha: Enable by default
- Configuration: `feed.logo` option for tag feed.
- Tag feed: `/tags/:tag.rss` - list public statuses by hashtag.
</details>
### Fixed

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@ -76,8 +76,7 @@ def assign_account_by_id(%{params: %{"id" => id}} = conn, _) do
end
end
def try_render(conn, target, params)
when is_binary(target) do
def try_render(conn, target, params) when is_binary(target) do
case render(conn, target, params) do
nil -> render_error(conn, :not_implemented, "Can't display this activity")
res -> res
@ -87,4 +86,8 @@ def try_render(conn, target, params)
def try_render(conn, _, _) do
render_error(conn, :not_implemented, "Can't display this activity")
end
@spec put_in_if_exist(map(), atom() | String.t(), any) :: map()
def put_in_if_exist(map, _key, nil), do: map
def put_in_if_exist(map, key, value), do: put_in(map, key, value)
end

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@ -13,6 +13,15 @@ defmodule Pleroma.Web.Feed.FeedView do
require Pleroma.Constants
@spec pub_date(String.t() | DateTime.t()) :: String.t()
def pub_date(date) when is_binary(date) do
date
|> Timex.parse!("{ISO:Extended}")
|> pub_date
end
def pub_date(%DateTime{} = date), do: Timex.format!(date, "{RFC822}")
def prepare_activity(activity) do
object = activity_object(activity)
@ -28,6 +37,17 @@ def most_recent_update(activities, user) do
|> NaiveDateTime.to_iso8601()
end
def feed_logo do
case Pleroma.Config.get([:feed, :logo]) do
nil ->
"#{Pleroma.Web.base_url()}/static/logo.png"
logo ->
"#{Pleroma.Web.base_url()}#{logo}"
end
|> MediaProxy.url()
end
def logo(user) do
user
|> User.avatar_url()
@ -40,6 +60,8 @@ def activity_object(activity), do: Object.normalize(activity)
def activity_title(%{data: %{"content" => content}}, opts \\ %{}) do
content
|> Pleroma.Web.Metadata.Utils.scrub_html()
|> Pleroma.Emoji.Formatter.demojify()
|> Formatter.truncate(opts[:max_length], opts[:omission])
|> escape()
end
@ -50,6 +72,8 @@ def activity_content(%{data: %{"content" => content}}) do
|> escape()
end
def activity_content(_), do: ""
def activity_context(activity), do: activity.data["context"]
def attachment_href(attachment) do

View File

@ -9,20 +9,24 @@ defmodule Pleroma.Web.Feed.TagController do
alias Pleroma.Web.ActivityPub.ActivityPub
alias Pleroma.Web.Feed.FeedView
def feed(conn, %{"tag" => tag} = params) do
import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
def feed(conn, %{"tag" => raw_tag} = params) do
tag = parse_tag(raw_tag)
activities =
%{
"type" => ["Create"],
"whole_db" => true,
"tag" => parse_tag(tag)
}
|> Map.merge(Map.take(params, ["max_id"]))
%{"type" => ["Create"], "whole_db" => true, "tag" => tag}
|> put_in_if_exist("max_id", params["max_id"])
|> ActivityPub.fetch_public_activities()
conn
|> put_resp_content_type("application/atom+xml")
|> put_view(FeedView)
|> render("tag.xml", activities: activities, feed_config: Config.get([:feed]))
|> render("tag.xml",
activities: activities,
tag: tag,
feed_config: Config.get([:feed])
)
end
defp parse_tag(raw_tag) when is_binary(raw_tag) do

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@ -11,6 +11,8 @@ defmodule Pleroma.Web.Feed.UserController do
alias Pleroma.Web.ActivityPub.ActivityPubController
alias Pleroma.Web.Feed.FeedView
import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
plug(Pleroma.Plugs.SetFormatPlug when action in [:feed_redirect])
action_fallback(:errors)
@ -35,12 +37,8 @@ def feed_redirect(conn, %{"nickname" => nickname}) do
def feed(conn, %{"nickname" => nickname} = params) do
with {_, %User{} = user} <- {:fetch_user, User.get_cached_by_nickname(nickname)} do
activities =
%{
"type" => ["Create"],
"whole_db" => true,
"actor_id" => user.ap_id
}
|> Map.merge(Map.take(params, ["max_id"]))
%{"type" => ["Create"], "whole_db" => true, "actor_id" => user.ap_id}
|> put_in_if_exist("max_id", params["max_id"])
|> ActivityPub.fetch_public_activities()
conn

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@ -19,15 +19,22 @@ def scrub_html_and_truncate(%{data: %{"content" => content}} = object) do
end
def scrub_html_and_truncate(content, max_length \\ 200) when is_binary(content) do
content
|> scrub_html
|> Emoji.Formatter.demojify()
|> Formatter.truncate(max_length)
end
def scrub_html(content) when is_binary(content) do
content
# html content comes from DB already encoded, decode first and scrub after
|> HtmlEntities.decode()
|> String.replace(~r/<br\s?\/?>/, " ")
|> HTML.strip_tags()
|> Emoji.Formatter.demojify()
|> Formatter.truncate(max_length)
end
def scrub_html(content), do: content
def attachment_url(url) do
MediaProxy.url(url)
end

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@ -0,0 +1,15 @@
<item>
<title><%= activity_title(@object, Keyword.get(@feed_config, :post_title, %{})) %></title>
<guid isPermalink="true"><%= activity_context(@activity) %></guid>
<link><%= activity_context(@activity) %></link>
<pubDate><%= pub_date(@data["published"]) %></pubDate>
<description><%= activity_content(@object) %></description>
<%= for attachment <- @data["attachment"] || [] do %>
<enclosure url="<%= attachment_href(attachment) %>" type="<%= attachment_type(attachment) %>"/>
<% end %>
</item>

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@ -1,10 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<feed
xmlns="http://www.w3.org/2005/Atom"
xmlns:thr="http://purl.org/syndication/thread/1.0"
xmlns:activity="http://activitystrea.ms/spec/1.0/"
xmlns:poco="http://portablecontacts.net/spec/1.0"
xmlns:ostatus="http://ostatus.org/schema/1.0">
<rss version="2.0" xmlns:webfeeds="http://webfeeds.org/rss/1.0">
<channel>
<title>TAGS</title>
</feed>
<title>#<%= @tag %></title>
<description>These are public toots tagged with #<%= @tag %>. You can interact with them if you have an account anywhere in the fediverse.</description>
<link><%= '#{tag_feed_url(@conn, :feed, @tag)}.rss' %></link>
<webfeeds:logo><%= feed_logo() %></webfeeds:logo>
<webfeeds:accentColor>2b90d9</webfeeds:accentColor>
<%= for activity <- @activities do %>
<%= render @view_module, "_tag_activity.xml", Map.merge(assigns, prepare_activity(activity)) %>
<% end %>
</channel>
</rss>

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@ -6,26 +6,84 @@ defmodule Pleroma.Web.Feed.TagControllerTest do
use Pleroma.Web.ConnCase
import Pleroma.Factory
import SweetXml
alias Pleroma.Web.Feed.FeedView
clear_config([:feed])
test "gets a feed", %{conn: conn} do
Pleroma.Config.put(
[:feed, :post_title],
%{max_length: 10, omission: "..."}
%{max_length: 25, omission: "..."}
)
user = insert(:user)
{:ok, _activity1} = Pleroma.Web.CommonAPI.post(user, %{"status" => "yeah #PleromaArt"})
{:ok, activity1} = Pleroma.Web.CommonAPI.post(user, %{"status" => "yeah #PleromaArt"})
{:ok, _activity2} =
object = Pleroma.Object.normalize(activity1)
object_data =
Map.put(object.data, "attachment", [
%{
"url" => [
%{
"href" =>
"https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
"mediaType" => "video/mp4",
"type" => "Link"
}
]
}
])
object
|> Ecto.Changeset.change(data: object_data)
|> Pleroma.Repo.update()
{:ok, activity2} =
Pleroma.Web.CommonAPI.post(user, %{"status" => "42 This is :moominmamma #PleromaArt"})
{:ok, _activity3} = Pleroma.Web.CommonAPI.post(user, %{"status" => "This is :moominmamma"})
assert conn
response =
conn
|> put_req_header("content-type", "application/atom+xml")
|> get("/tags/pleromaart.rss")
|> response(200)
xml = parse(response)
assert xpath(xml, ~x"//channel/title/text()") == '#pleromaart'
assert xpath(xml, ~x"//channel/description/text()"s) ==
"These are public toots tagged with #pleromaart. You can interact with them if you have an account anywhere in the fediverse."
assert xpath(xml, ~x"//channel/link/text()") ==
'#{Pleroma.Web.base_url()}/tags/pleromaart.rss'
assert xpath(xml, ~x"//channel/webfeeds:logo/text()") ==
'#{Pleroma.Web.base_url()}/static/logo.png'
assert xpath(xml, ~x"//channel/item/title/text()"l) == [
'42 This is :moominmamm...',
'yeah #PleromaArt'
]
assert xpath(xml, ~x"//channel/item/pubDate/text()"sl) == [
FeedView.pub_date(activity1.data["published"]),
FeedView.pub_date(activity2.data["published"])
]
assert xpath(xml, ~x"//channel/item/enclosure/@url"sl) == [
"https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4"
]
obj1 = Pleroma.Object.normalize(activity1)
obj2 = Pleroma.Object.normalize(activity2)
assert xpath(xml, ~x"//channel/item/description/text()"sl) == [
HtmlEntities.decode(FeedView.activity_content(obj2)),
HtmlEntities.decode(FeedView.activity_content(obj1))
]
end
end