X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub.ex;h=fb33f2e3ef2eddfc6e637fab797673acc3d0a443;hb=78516a8daa7094506e0247e8bdaddfde77a4ba67;hp=0c1b6cb280e01ce7631990f7ef22efd39be5d6ab;hpb=7b26443a7656163a1ecca6196b745e3393b606f1;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 0c1b6cb28..fb33f2e3e 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -1,6 +1,7 @@
 defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.{Activity, Repo, Object, Upload, User, Notification}
   alias Pleroma.Web.ActivityPub.Transmogrifier
+  alias Pleroma.Web.WebFinger
   import Ecto.Query
   import Pleroma.Web.ActivityPub.Utils
   require Logger
@@ -83,7 +84,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def announce(%User{ap_id: _} = user, %Object{data: %{"id" => _}} = object, activity_id \\ nil, local \\ true) do
-    with announce_data <- make_announce_data(user, object, activity_id),
+    with true <- is_public?(object),
+         announce_data <- make_announce_data(user, object, activity_id),
          {:ok, activity} <- insert(announce_data, local),
          {:ok, object} <- add_announce_to_object(activity, object),
          :ok <- maybe_federate(activity) do
@@ -127,16 +129,28 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
 
   def fetch_activities_for_context(context, opts \\ %{}) do
-    query = from activity in Activity,
+    public = ["https://www.w3.org/ns/activitystreams#Public"]
+    recipients = if opts["user"], do: [opts["user"].ap_id | opts["user"].following] ++ public, else: public
+
+    query = from activity in Activity
+    query = query
+      |> restrict_blocked(opts)
+      |> restrict_recipients(recipients, opts["user"])
+
+   query = from activity in query,
       where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
       order_by: [desc: :id]
-    query = restrict_blocked(query, opts)
     Repo.all(query)
   end
 
   def fetch_public_activities(opts \\ %{}) do
-    public = ["https://www.w3.org/ns/activitystreams#Public"]
-    fetch_activities(public, opts)
+    public = %{to: ["https://www.w3.org/ns/activitystreams#Public"]}
+    q = fetch_activities_query([], opts)
+    q = from activity in q,
+      where: fragment(~s(? @> ?), activity.data, ^public)
+    q
+    |> Repo.all
+    |> Enum.reverse
   end
 
   defp restrict_since(query, %{"since_id" => since_id}) do
@@ -150,11 +164,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
   defp restrict_tag(query, _), do: query
 
-  defp restrict_recipients(query, []), do: query
-  defp restrict_recipients(query, recipients) do
+  defp restrict_recipients(query, [], user), do: query
+  defp restrict_recipients(query, recipients, nil) do
     from activity in query,
      where: fragment("? && ?", ^recipients, activity.recipients)
   end
+  defp restrict_recipients(query, recipients, user) do
+    from activity in query,
+      where: fragment("? && ?", ^recipients, activity.recipients),
+      or_where: activity.actor == ^user.ap_id
+  end
 
   defp restrict_local(query, %{"local_only" => true}) do
     from activity in query, where: activity.local == true
@@ -209,13 +228,13 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
   defp restrict_blocked(query, _), do: query
 
-  def fetch_activities(recipients, opts \\ %{}) do
+  def fetch_activities_query(recipients, opts \\ %{}) do
     base_query = from activity in Activity,
       limit: 20,
       order_by: [fragment("? desc nulls last", activity.id)]
 
     base_query
-    |> restrict_recipients(recipients)
+    |> restrict_recipients(recipients, opts["user"])
     |> restrict_tag(opts)
     |> restrict_since(opts)
     |> restrict_local(opts)
@@ -226,6 +245,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> restrict_recent(opts)
     |> restrict_blocked(opts)
     |> restrict_media(opts)
+  end
+
+  def fetch_activities(recipients, opts \\ %{}) do
+    fetch_activities_query(recipients, opts)
     |> Repo.all
     |> Enum.reverse
   end
@@ -253,21 +276,62 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     end
   end
 
+  def make_user_from_nickname(nickname) do
+    with {:ok, %{"ap_id" => ap_id}} when not is_nil(ap_id) <- WebFinger.finger(nickname) do
+      make_user_from_ap_id(ap_id)
+    end
+  end
+
   def publish(actor, activity) do
     {:ok, followers} = User.get_followers(actor)
 
-    remote_users = Pleroma.Web.Salmon.remote_users(activity) ++ followers
+    remote_inboxes = (Pleroma.Web.Salmon.remote_users(activity) ++ followers)
+    |> Enum.filter(fn (user) -> User.ap_enabled?(user) end)
+    |> Enum.map(fn (%{info: %{"source_data" => data}}) ->
+      (data["endpoints"] && data["endpoints"]["sharedInbox"]) || data["inbox"]
+    end)
     |> Enum.uniq
 
     {:ok, data} = Transmogrifier.prepare_outgoing(activity.data)
-    Enum.each remote_users, fn(user) ->
-      if user.info["ap_enabled"] do
-        inbox = user.info["source_data"]["inbox"]
-        Logger.info("Federating #{activity.data["id"]} to #{inbox}")
-        host = URI.parse(inbox).host
-        signature = Pleroma.Web.HTTPSignatures.sign(actor, %{host: host})
-        @httpoison.post(inbox, Poison.encode!(data), [{"Content-Type", "application/activity+json"}, {"signature", signature}])
+    json = Poison.encode!(data)
+    Enum.each remote_inboxes, fn(inbox) ->
+      Logger.info("Federating #{activity.data["id"]} to #{inbox}")
+      host = URI.parse(inbox).host
+      signature = Pleroma.Web.HTTPSignatures.sign(actor, %{host: host, "content-length": byte_size(json)})
+      @httpoison.post(inbox, json, [{"Content-Type", "application/activity+json"}, {"signature", signature}])
+    end
+  end
+
+  # TODO:
+  # This will create a Create activity, which we need internally at the moment.
+  def fetch_object_from_id(id) do
+    if object = Object.get_cached_by_ap_id(id) do
+      {:ok, object}
+    else
+      with {:ok, %{body: body, status_code: code}} when code in 200..299 <- @httpoison.get(id, [Accept: "application/activity+json"], follow_redirect: true, timeout: 10000, recv_timeout: 20000),
+           {:ok, data} <- Poison.decode(body),
+           data <- Transmogrifier.fix_object(data),
+           nil <- Object.get_by_ap_id(data["id"]),
+           %User{} = user <- User.get_or_fetch_by_ap_id(data["attributedTo"]),
+           {:ok, activity} = create(%{to: data["to"], actor: user, context: data["context"], object: data, local: false, additional: %{"cc" => data["cc"]}}) do
+        {:ok, Object.get_by_ap_id(activity.data["object"]["id"])}
+      else
+        object = %Object{} -> {:ok, object}
+        e -> e
       end
     end
   end
+
+  def is_public?(activity) do
+    "https://www.w3.org/ns/activitystreams#Public" in (activity.data["to"] ++ (activity.data["cc"] || []))
+  end
+
+  def visible_for_user?(activity, nil) do
+    is_public?(activity)
+  end
+  def visible_for_user?(activity, user) do
+    x = [user.ap_id | user.following]
+    y = (activity.data["to"] ++ (activity.data["cc"] || []))
+    visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
+  end
 end