duct-tape fix for #438

we really need to make this less manual

lib/pleroma/signature.ex

@@ -10,7 +10,7 @@ defmodule Pleroma.Signature do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
 
-  @known_suffixes ["/publickey", "/main-key"]
+  @known_suffixes ["/publickey", "/main-key", "#key"]
 
   def key_id_to_actor_id(key_id) do
     uri =

test/pleroma/signature_test.exs

@@ -153,6 +153,11 @@ test "it deduces the actor ID for streams" do
                {:ok, "https://example.com/users/1234"}
     end
 
+    test "it deduces the actor ID for bridgy" do
+      assert Signature.key_id_to_actor_id("https://example.com/1234#key") ==
+        {:ok, "https://example.com/1234"}
+    end
+
     test "it calls webfinger for 'acct:' accounts" do
       with_mock(Pleroma.Web.WebFinger,
         finger: fn _ -> {:ok, %{"ap_id" => "https://gensokyo.2hu/users/raymoo"}} end