X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Futils.ex;h=3229949c063080bb9e0ac5b5c8fcad9336be6778;hb=9c889334220487c4e370333a13908639b984bc19;hp=7b2bf8fa7cc5f437001a2cfc477dd0020d8ea66c;hpb=9e6ae447294d055af6add2efa9aca0024a252fe1;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/utils.ex b/lib/pleroma/web/activity_pub/utils.ex
index 7b2bf8fa7..3229949c0 100644
--- a/lib/pleroma/web/activity_pub/utils.ex
+++ b/lib/pleroma/web/activity_pub/utils.ex
@@ -5,6 +5,19 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   alias Ecto.{Changeset, UUID}
   import Ecto.Query
 
+  # Some implementations send the actor URI as the actor field, others send the entire actor object,
+  # so figure out what the actor's URI is based on what we have.
+  def get_ap_id(object) do
+    case object do
+      %{"id" => id} -> id
+      id -> id
+    end
+  end
+
+  def normalize_params(params) do
+    Map.put(params, "actor", get_ap_id(params["actor"]))
+  end
+
   def make_json_ld_header do
     %{
       "@context" => [
@@ -206,7 +219,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
   @doc """
   Makes a follow activity data for the given follower and followed
   """
-  def make_follow_data(%User{ap_id: follower_id}, %User{ap_id: followed_id}, activity_id) do
+  def make_follow_data(%User{ap_id: follower_id}, %User{ap_id: followed_id} = followed, activity_id) do
     data = %{
       "type" => "Follow",
       "actor" => follower_id,
@@ -216,17 +229,24 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     }
 
     if activity_id, do: Map.put(data, "id", activity_id), else: data
+    if User.locked?(followed), do: Map.put(data, "state", "pending"), else: data
   end
 
   def fetch_latest_follow(%User{ap_id: follower_id}, %User{ap_id: followed_id}) do
     query =
       from(
         activity in Activity,
+        where:
+          fragment(
+            "? ->> 'type' = 'Follow'",
+            activity.data
+          ),
+        where: activity.actor == ^follower_id,
         where:
           fragment(
             "? @> ?",
             activity.data,
-            ^%{type: "Follow", actor: follower_id, object: followed_id}
+            ^%{object: followed_id}
           ),
         order_by: [desc: :id],
         limit: 1
@@ -237,6 +257,28 @@ defmodule Pleroma.Web.ActivityPub.Utils do
 
   #### Announce-related helpers
 
+  @doc """
+  Retruns an existing announce activity if the notice has already been announced
+  """
+  def get_existing_announce(actor, %{data: %{"id" => id}}) do
+    query =
+      from(
+        activity in Activity,
+        where: activity.actor == ^actor,
+        # this is to use the index
+        where:
+          fragment(
+            "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
+            activity.data,
+            activity.data,
+            ^id
+          ),
+        where: fragment("(?)->>'type' = 'Announce'", activity.data)
+      )
+
+    Repo.one(query)
+  end
+
   @doc """
   Make announce activity data for the given actor and object
   """
@@ -257,21 +299,112 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     if activity_id, do: Map.put(data, "id", activity_id), else: data
   end
 
+  @doc """
+  Make unannounce activity data for the given actor and object
+  """
+  def make_unannounce_data(
+        %User{ap_id: ap_id} = user,
+        %Activity{data: %{"context" => context}} = activity,
+        activity_id
+      ) do
+    data = %{
+      "type" => "Undo",
+      "actor" => ap_id,
+      "object" => activity.data,
+      "to" => [user.follower_address, activity.data["actor"]],
+      "cc" => ["https://www.w3.org/ns/activitystreams#Public"],
+      "context" => context
+    }
+
+    if activity_id, do: Map.put(data, "id", activity_id), else: data
+  end
+
+  def make_unlike_data(
+        %User{ap_id: ap_id} = user,
+        %Activity{data: %{"context" => context}} = activity,
+        activity_id
+      ) do
+    data = %{
+      "type" => "Undo",
+      "actor" => ap_id,
+      "object" => activity.data,
+      "to" => [user.follower_address, activity.data["actor"]],
+      "cc" => ["https://www.w3.org/ns/activitystreams#Public"],
+      "context" => context
+    }
+
+    if activity_id, do: Map.put(data, "id", activity_id), else: data
+  end
+
   def add_announce_to_object(%Activity{data: %{"actor" => actor}}, object) do
     with announcements <- [actor | object.data["announcements"] || []] |> Enum.uniq() do
       update_element_in_object("announcement", announcements, object)
     end
   end
 
+  def remove_announce_from_object(%Activity{data: %{"actor" => actor}}, object) do
+    with announcements <- (object.data["announcements"] || []) |> List.delete(actor) do
+      update_element_in_object("announcement", announcements, object)
+    end
+  end
+
   #### Unfollow-related helpers
 
-  def make_unfollow_data(follower, followed, follow_activity) do
-    %{
+  def make_unfollow_data(follower, followed, follow_activity, activity_id) do
+    data = %{
       "type" => "Undo",
       "actor" => follower.ap_id,
       "to" => [followed.ap_id],
-      "object" => follow_activity.data["id"]
+      "object" => follow_activity.data
     }
+
+    if activity_id, do: Map.put(data, "id", activity_id), else: data
+  end
+
+  #### Block-related helpers
+  def fetch_latest_block(%User{ap_id: blocker_id}, %User{ap_id: blocked_id}) do
+    query =
+      from(
+        activity in Activity,
+        where:
+          fragment(
+            "? ->> 'type' = 'Block'",
+            activity.data
+          ),
+        where: activity.actor == ^blocker_id,
+        where:
+          fragment(
+            "? @> ?",
+            activity.data,
+            ^%{object: blocked_id}
+          ),
+        order_by: [desc: :id],
+        limit: 1
+      )
+
+    Repo.one(query)
+  end
+
+  def make_block_data(blocker, blocked, activity_id) do
+    data = %{
+      "type" => "Block",
+      "actor" => blocker.ap_id,
+      "to" => [blocked.ap_id],
+      "object" => blocked.ap_id
+    }
+
+    if activity_id, do: Map.put(data, "id", activity_id), else: data
+  end
+
+  def make_unblock_data(blocker, blocked, block_activity, activity_id) do
+    data = %{
+      "type" => "Undo",
+      "actor" => blocker.ap_id,
+      "to" => [blocked.ap_id],
+      "object" => block_activity.data
+    }
+
+    if activity_id, do: Map.put(data, "id", activity_id), else: data
   end
 
   #### Create-related helpers