From 99c0a11c584ac13c368a3d8372f9e914cef14a06 Mon Sep 17 00:00:00 2001
From: Maksim Pechnikov <parallel588@gmail.com>
Date: Fri, 24 Jan 2020 22:08:10 +0300
Subject: added atom feed

---
 lib/pleroma/web/feed/feed_view.ex                  | 16 ++++++-
 lib/pleroma/web/feed/tag_controller.ex             | 11 ++---
 .../web/templates/feed/feed/_activity.xml.eex      |  2 +-
 .../web/templates/feed/feed/_tag_activity.atom.eex | 51 ++++++++++++++++++++++
 .../web/templates/feed/feed/_tag_author.atom.eex   | 18 ++++++++
 lib/pleroma/web/templates/feed/feed/tag.atom.eex   | 22 ++++++++++
 lib/pleroma/web/templates/feed/feed/tag.rss.eex    | 15 +++++++
 lib/pleroma/web/templates/feed/feed/tag.xml.eex    | 15 -------
 8 files changed, 127 insertions(+), 23 deletions(-)
 create mode 100644 lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
 create mode 100644 lib/pleroma/web/templates/feed/feed/_tag_author.atom.eex
 create mode 100644 lib/pleroma/web/templates/feed/feed/tag.atom.eex
 create mode 100644 lib/pleroma/web/templates/feed/feed/tag.rss.eex
 delete mode 100644 lib/pleroma/web/templates/feed/feed/tag.xml.eex

(limited to 'lib')

diff --git a/lib/pleroma/web/feed/feed_view.ex b/lib/pleroma/web/feed/feed_view.ex
index 2e7db1ebb..334802e0a 100644
--- a/lib/pleroma/web/feed/feed_view.ex
+++ b/lib/pleroma/web/feed/feed_view.ex
@@ -22,16 +22,28 @@ defmodule Pleroma.Web.Feed.FeedView do
 
   def pub_date(%DateTime{} = date), do: Timex.format!(date, "{RFC822}")
 
-  def prepare_activity(activity) do
+  def prepare_activity(activity, opts \\ []) do
     object = activity_object(activity)
 
+    actor =
+      if opts[:actor] do
+        Pleroma.User.get_cached_by_ap_id(activity.actor)
+      end
+
     %{
       activity: activity,
       data: Map.get(object, :data),
-      object: object
+      object: object,
+      actor: actor
     }
   end
 
+  def most_recent_update(activities) do
+    with %{updated_at: updated_at} <- List.first(activities) do
+      NaiveDateTime.to_iso8601(updated_at)
+    end
+  end
+
   def most_recent_update(activities, user) do
     (List.first(activities) || user).updated_at
     |> NaiveDateTime.to_iso8601()
diff --git a/lib/pleroma/web/feed/tag_controller.ex b/lib/pleroma/web/feed/tag_controller.ex
index 97ce147de..9b722336c 100644
--- a/lib/pleroma/web/feed/tag_controller.ex
+++ b/lib/pleroma/web/feed/tag_controller.ex
@@ -12,7 +12,7 @@ defmodule Pleroma.Web.Feed.TagController do
   import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
 
   def feed(conn, %{"tag" => raw_tag} = params) do
-    tag = parse_tag(raw_tag)
+    {format, tag} = parse_tag(raw_tag)
 
     activities =
       %{"type" => ["Create"], "whole_db" => true, "tag" => tag}
@@ -22,19 +22,20 @@ defmodule Pleroma.Web.Feed.TagController do
     conn
     |> put_resp_content_type("application/atom+xml")
     |> put_view(FeedView)
-    |> render("tag.xml",
+    |> render("tag.#{format}",
       activities: activities,
       tag: tag,
       feed_config: Config.get([:feed])
     )
   end
 
+  @spec parse_tag(binary() | any()) :: {format :: String.t(), tag :: String.t()}
   defp parse_tag(raw_tag) when is_binary(raw_tag) do
     case Enum.reverse(String.split(raw_tag, ".")) do
-      [format | tag] when format in ["atom", "rss"] -> Enum.join(tag, ".")
-      _ -> raw_tag
+      [format | tag] when format in ["atom", "rss"] -> {format, Enum.join(tag, ".")}
+      _ -> {"rss", raw_tag}
     end
   end
 
-  defp parse_tag(raw_tag), do: raw_tag
+  defp parse_tag(raw_tag), do: {"rss", raw_tag}
 end
diff --git a/lib/pleroma/web/templates/feed/feed/_activity.xml.eex b/lib/pleroma/web/templates/feed/feed/_activity.xml.eex
index 514eacaed..ac8a75009 100644
--- a/lib/pleroma/web/templates/feed/feed/_activity.xml.eex
+++ b/lib/pleroma/web/templates/feed/feed/_activity.xml.eex
@@ -9,7 +9,7 @@
   <ostatus:conversation ref="<%= activity_context(@activity) %>">
     <%= activity_context(@activity) %>
   </ostatus:conversation>
-  <link ref="<%= activity_context(@activity) %>" rel="ostatus:conversation"/>
+  <link href="<%= activity_context(@activity) %>" rel="ostatus:conversation"/>
 
   <%= if @data["summary"] do %>
     <summary><%= @data["summary"] %></summary>
diff --git a/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex b/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
new file mode 100644
index 000000000..da4fa6d6c
--- /dev/null
+++ b/lib/pleroma/web/templates/feed/feed/_tag_activity.atom.eex
@@ -0,0 +1,51 @@
+<entry>
+    <activity:object-type>http://activitystrea.ms/schema/1.0/note</activity:object-type>
+    <activity:verb>http://activitystrea.ms/schema/1.0/post</activity:verb>
+    
+    <%= render @view_module, "_tag_author.atom", assigns %>
+    
+    <id><%= @data["id"] %></id>
+    <title><%= activity_title(@object, Keyword.get(@feed_config, :post_title, %{})) %></title>
+    <content type="html"><%= activity_content(@object) %></content>
+
+  <%= if @activity.local do %>
+    <link type="application/atom+xml" href='<%= @data["id"] %>' rel="self"/>
+    <link type="text/html" href='<%= @data["id"] %>' rel="alternate"/>
+  <% else %>
+    <link type="text/html" href='<%= @data["external_url"] %>' rel="alternate"/>
+  <% end %>
+
+    <published><%= @data["published"] %></published>
+    <updated><%= @data["published"] %></updated>
+
+    <ostatus:conversation ref="<%= activity_context(@activity) %>">
+      <%= activity_context(@activity) %>
+    </ostatus:conversation>
+    <link href="<%= activity_context(@activity) %>" rel="ostatus:conversation"/>
+
+   <%= if @data["summary"] do %>
+    <summary><%= @data["summary"] %></summary>
+   <% end %>
+  
+    <%= for id <- @activity.recipients do %>
+      <%= if id == Pleroma.Constants.as_public() do %>
+        <link rel="mentioned"
+          ostatus:object-type="http://activitystrea.ms/schema/1.0/collection"
+          href="http://activityschema.org/collection/public"/>
+      <% else %>
+        <%= unless Regex.match?(~r/^#{Pleroma.Web.base_url()}.+followers$/, id) do %>
+          <link rel="mentioned"
+            ostatus:object-type="http://activitystrea.ms/schema/1.0/person"
+            href="<%= id %>" />
+        <% end %>
+      <% end %>
+    <% end %>
+  
+    <%= for tag <- @data["tag"] || [] do %>
+      <category term="<%= tag %>"></category>
+    <% end %>
+
+    <%= for {emoji, file} <- @data["emoji"] || %{} do %>
+      <link name="<%= emoji %>" rel="emoji" href="<%= file %>"/>
+    <% end %>
+</entry>
diff --git a/lib/pleroma/web/templates/feed/feed/_tag_author.atom.eex b/lib/pleroma/web/templates/feed/feed/_tag_author.atom.eex
new file mode 100644
index 000000000..997c4936e
--- /dev/null
+++ b/lib/pleroma/web/templates/feed/feed/_tag_author.atom.eex
@@ -0,0 +1,18 @@
+<author>
+    <activity:object-type>http://activitystrea.ms/schema/1.0/person</activity:object-type>
+    <id><%= @actor.ap_id %></id>
+    <uri><%= @actor.ap_id %></uri>
+    <name><%= @actor.nickname %></name>
+    <summary><%= escape(@actor.bio) %></summary>
+    <link rel="avatar" href="<%= User.avatar_url(@actor) %>"/>
+    <%= if User.banner_url(@actor) do %>
+      <link rel="header" href="<%= User.banner_url(@actor) %>"/>
+    <% end %>
+    <%= if @actor.local do %>
+      <ap_enabled>true</ap_enabled>
+    <% end %>
+  
+    <poco:preferredUsername><%= @actor.nickname %></poco:preferredUsername>        
+    <poco:displayName><%= @actor.name %></poco:displayName>
+    <poco:note><%= escape(@actor.bio) %></poco:note>    
+</author>
diff --git a/lib/pleroma/web/templates/feed/feed/tag.atom.eex b/lib/pleroma/web/templates/feed/feed/tag.atom.eex
new file mode 100644
index 000000000..a288539ed
--- /dev/null
+++ b/lib/pleroma/web/templates/feed/feed/tag.atom.eex
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<feed xml:lang="en-US" xmlns="http://www.w3.org/2005/Atom"
+      xmlns:thr="http://purl.org/syndication/thread/1.0"
+      xmlns:georss="http://www.georss.org/georss"
+      xmlns:activity="http://activitystrea.ms/spec/1.0/"
+      xmlns:media="http://purl.org/syndication/atommedia"
+      xmlns:poco="http://portablecontacts.net/spec/1.0"
+      xmlns:ostatus="http://ostatus.org/schema/1.0"
+      xmlns:statusnet="http://status.net/schema/api/1/">
+
+    <id><%= '#{tag_feed_url(@conn, :feed, @tag)}.rss' %></id>
+    <title>#<%= @tag %></title>
+
+    <subtitle>These are public toots tagged with #<%= @tag %>. You can interact with them if you have an account anywhere in the fediverse.</subtitle>
+    <logo><%= feed_logo() %></logo>
+    <updated><%= most_recent_update(@activities) %></updated>
+    <link rel="self" href="<%= '#{tag_feed_url(@conn, :feed, @tag)}.atom'  %>" type="application/atom+xml"/>
+    <%= for activity <- @activities do %>
+    <%= render @view_module, "_tag_activity.atom", Map.merge(assigns, prepare_activity(activity, actor: true)) %>
+    <% end %>
+</feed>
diff --git a/lib/pleroma/web/templates/feed/feed/tag.rss.eex b/lib/pleroma/web/templates/feed/feed/tag.rss.eex
new file mode 100644
index 000000000..eeda01a04
--- /dev/null
+++ b/lib/pleroma/web/templates/feed/feed/tag.rss.eex
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:webfeeds="http://webfeeds.org/rss/1.0">
+  <channel>
+
+
+    <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>
diff --git a/lib/pleroma/web/templates/feed/feed/tag.xml.eex b/lib/pleroma/web/templates/feed/feed/tag.xml.eex
deleted file mode 100644
index eeda01a04..000000000
--- a/lib/pleroma/web/templates/feed/feed/tag.xml.eex
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<rss version="2.0" xmlns:webfeeds="http://webfeeds.org/rss/1.0">
-  <channel>
-
-
-    <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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