Make outgoing salmons work.

lib/pleroma/user.ex

@@ -121,7 +121,7 @@ defmodule Pleroma.User do
 
   def get_cached_by_nickname(nickname) do
     key = "nickname:#{nickname}"
-    Cachex.get!(:user_cache, key, fallback: fn(_) -> Repo.get_by(User, nickname: nickname) end)
+    Cachex.get!(:user_cache, key, fallback: fn(_) -> get_or_fetch_by_nickname(nickname) end)
   end
 
   def get_by_nickname(nickname) do
@@ -137,7 +137,8 @@ defmodule Pleroma.User do
     with %User{} = user <- get_by_nickname(nickname)  do
       user
     else _e ->
-      with {:ok, user} <- OStatus.make_user(nickname) do
+      with [nick, domain] <- String.split(nickname, "@"),
+           {:ok, user} <- OStatus.make_user(nickname) do
         user
       else _e -> nil
       end

lib/pleroma/web/federator/federator.ex

@@ -7,7 +7,11 @@ defmodule Pleroma.Web.Federator do
   def handle(:publish, activity) do
     Logger.debug("Running publish for #{activity.data["id"]}")
     with actor when not is_nil(actor) <- User.get_cached_by_ap_id(activity.data["actor"]) do
+      Logger.debug("Sending #{activity.data["id"]} out via websub")
       Pleroma.Web.Websub.publish(Pleroma.Web.OStatus.feed_path(actor), actor, activity)
+
+      Logger.debug("Sending #{activity.data["id"]} out via salmon")
+      Pleroma.Web.Salmon.publish(actor, activity)
     end
   end
 

lib/pleroma/web/ostatus/activity_representer.ex

@@ -1,5 +1,6 @@
 defmodule Pleroma.Web.OStatus.ActivityRepresenter do
   alias Pleroma.Activity
+  alias Pleroma.Web.OStatus.UserRepresenter
   require Logger
 
   defp get_in_reply_to(%{"object" => %{ "inReplyTo" => in_reply_to}}) do
@@ -8,7 +9,17 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
 
   defp get_in_reply_to(_), do: []
 
-  def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user) do
+  defp get_mentions(to) do
+    Enum.map(to, fn
+      ("https://www.w3.org/ns/activitystreams#Public") ->
+        {:link, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/collection", href: "http://activityschema.org/collection/public"], []}
+      (id) ->
+        {:link, [rel: "mentioned", "ostatus:object-type": "http://activitystrea.ms/schema/1.0/person", href: id], []}
+    end)
+  end
+
+  def to_simple_form(activity, user, with_author \\ false)
+  def to_simple_form(%{data: %{"object" => %{"type" => "Note"}}} = activity, user, with_author) do
     h = fn(str) -> [to_charlist(str)] end
 
     updated_at = activity.updated_at
@@ -22,6 +33,8 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
     end)
 
     in_reply_to = get_in_reply_to(activity.data)
+    author = if with_author, do: [{:author, UserRepresenter.to_simple_form(user)}], else: []
+    mentions = activity.data["to"] |> get_mentions
 
     [
       {:"activity:object-type", ['http://activitystrea.ms/schema/1.0/note']},
@@ -33,8 +46,20 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenter do
       {:updated, h.(updated_at)},
       {:"ostatus:conversation", [], h.(activity.data["context"])},
       {:link, [href: h.(activity.data["context"]), rel: 'ostatus:conversation'], []}
-    ] ++ attachments ++ in_reply_to
+    ] ++ attachments ++ in_reply_to ++ author ++ mentions
   end
 
-  def to_simple_form(_,_), do: nil
+  def wrap_with_entry(simple_form) do
+    [{
+      :entry, [
+        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'
+      ], simple_form
+    }]
+  end
+
+  def to_simple_form(_,_,_), do: nil
 end

lib/pleroma/web/salmon/salmon.ex

@@ -1,6 +1,9 @@
 defmodule Pleroma.Web.Salmon do
   use Bitwise
   alias Pleroma.Web.XML
+  alias Pleroma.Web.OStatus.ActivityRepresenter
+  alias Pleroma.User
+  require Logger
 
   def decode(salmon) do
     doc = XML.parse_document(salmon)
@@ -118,4 +121,37 @@ defmodule Pleroma.Web.Salmon do
 
     {:ok, salmon}
   end
+
+  def remote_users(%{data: %{"to" => to}}) do
+    to
+    |> Enum.map(fn(id) -> User.get_cached_by_ap_id(id) end)
+    |> Enum.filter(fn(user) -> user && !user.local end)
+  end
+
+  defp send_to_user(%{info: %{"salmon" => salmon}}, feed, poster) do
+    poster.(salmon, feed, [{"Content-Type", "application/magic-envelope+xml"}])
+  end
+
+  defp send_to_user(_,_,_), do: nil
+
+  def publish(user, activity, poster \\ &HTTPoison.post/3)
+  def publish(%{info: %{"keys" => keys}} = user, activity, poster) do
+    feed = ActivityRepresenter.to_simple_form(activity, user, true)
+    |> ActivityRepresenter.wrap_with_entry
+    |> :xmerl.export_simple(:xmerl_xml)
+    |> to_string
+
+    if feed do
+      {:ok, private, _} = keys_from_pem(keys)
+      {:ok, feed} = encode(private, feed)
+
+      remote_users(activity)
+      |> Enum.each(fn(remote_user) ->
+        Logger.debug("sending salmon to #{remote_user.ap_id}")
+        send_to_user(remote_user, feed, poster)
+      end)
+    end
+  end
+
+  def publish(%{id: id}, _, _), do: Logger.debug("Keys missing for user #{id}")
 end