transmogrifier: Add support for array-less hashtags, add broken announce, harden get_actor

lib/pleroma/web/activity_pub/transmogrifier.ex

@@ -21,13 +21,13 @@ def get_actor(%{"actor" => actor}) when is_list(actor) do
     if is_binary(Enum.at(actor, 0)) do
       Enum.at(actor, 0)
     else
-      Enum.find(actor, fn %{"type" => type} -> type == "Person" end)
+      Enum.find(actor, fn %{"type" => type} -> type in ["Person", "Service", "Application"] end)
       |> Map.get("id")
     end
   end
 
-  def get_actor(%{"actor" => actor}) when is_map(actor) do
-    actor["id"]
+  def get_actor(%{"actor" => %{"id" => id}}) when is_bitstring(id) do
+    id
   end
 
   @doc """
@@ -206,8 +206,8 @@ def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
     |> Map.put("tag", combined)
   end
 
-  def fix_tag(%{"tag" => %{"type" => "Hashtag"} = tag} = object) do
-    combined = [tag ++ String.slice(tag["name"], 1..-1)]
+  def fix_tag(%{"tag" => %{"type" => "Hashtag", "name" => hashtag} = tag} = object) do
+    combined = [tag, String.slice(hashtag, 1..-1)]
 
     object
     |> Map.put("tag", combined)

test/fixtures/kroeg-announce-with-inline-actor.json

@@ -0,0 +1 @@
+{"@context":["https://www.w3.org/ns/activitystreams","https://puckipedia.com/-/context"],"actor":{"endpoints":"https://puckipedia.com/#endpoints","followers":"https://puckipedia.com/followers","following":"https://puckipedia.com/following","icon":{"mediaType":"image/png","type":"Image","url":"https://puckipedia.com/images/avatar.png"},"id":"https://puckipedia.com/","inbox":"https://puckipedia.com/inbox","kroeg:blocks":{"id":"https://puckipedia.com/blocks"},"liked":"https://puckipedia.com/liked","manuallyApprovesFollowers":false,"name":"HACKER TEEN PUCKIPEDIA 👩‍💻","outbox":"https://puckipedia.com/outbox","preferredUsername":"puckipedia","publicKey":{"id":"https://puckipedia.com/#key","owner":"https://puckipedia.com/","publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvN05xIcFE0Qgany7Rht4\n0ZI5wu++IT7K5iSqRimBYkpoeHbVcT9RFlW+aWH/QJJW/YgZ7+LMr8AMCrKrwSpS\nCndyrpx4O4lZ3FNRLu7tbklh01rGZfE6R1SFfYBpvMvImc9nYT6iezYDbv6NkHku\no3aVhjql216XlA0OhIrqQme9sAdrLbjbMrTUS8douCTkDOX+JFj1ghHCqdYEMZJI\nOY9kovtgnqyxFLm0RsPGsO1+g/OVojqG+VqHz6O2lceaTVQLlnZ4gOhLVG1tVsA2\nRfXQK+R/VgXncYE+BlQVd/tcdGAz7CDL7PP3rP65gmARnafhGR96cCOi/KzlAXSO\nMwIDAQAB\n-----END PUBLIC KEY-----","type":[]},"summary":"<p>federated hacker teen<br/>\n[<a href=\"https://pronoun.is/she\">she</a>/<a href=\"https://pronoun.is/they\">they</a>]</p>","type":"Person","updated":"2017-12-19T16:56:29.7576707+00:00"},"cc":"https://mastodon.social/users/revenant","id":"https://puckipedia.com/cc56a9658e","object":{"as:sensitive":false,"attributedTo":{"endpoints":{"sharedInbox":"https://mastodon.social/inbox","type":[]},"followers":"https://mastodon.social/users/revenant/followers","following":"https://mastodon.social/users/revenant/following","icon":{"mediaType":"image/png","type":"Image","url":"https://files.mastodon.social/accounts/avatars/000/015/163/original/70ca6c52b01ca913.png"},"id":"https://mastodon.social/users/revenant","inbox":"https://mastodon.social/users/revenant/inbox","manuallyApprovesFollowers":{"@value":"False","type":"xsd:boolean"},"name":"","outbox":"https://mastodon.social/users/revenant/outbox","preferredUsername":"revenant","publicKey":{"id":"https://mastodon.social/users/revenant#main-key","owner":"https://mastodon.social/users/revenant","publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0gEN3wPW7gkE2gQqnmfB\n1ychjmFIf2LIwY0oCJLiGE/xpZrUKoq+eWH30AP7mATw4LD0gOYABL/ijqPUrPqR\nDXLL+0CqMP8HsZKvRlj9KArMK3YtNiSGGj2U7iReiRrD7nJzjJlsjjJXflLZhZ7/\nenSv1CcaeK8tB0PoAgShy/MyfhPF7WI5/Zm9DmmDQFvUEnDYKXAf/vG/IWw1EyMC\nkbaEYJeIowQU3GsbPxzRGI22bQtfotm431Ch2MbNo+kyzmYVFLAVoSGNMzvJwOPg\nTxLIIBeQXG7MinRyK887yPKhxhcALea4yCcALaa+3jPE7yqwIKYwTHtSlblsHDAo\nmQIDAQAB\n-----END PUBLIC KEY-----\n","type":[]},"summary":"<p>neatly partitioned meats and cheeses appeal to me on an aesthetic level | any pronouns | revenant1.net</p>","type":"Person","url":"https://mastodon.social/@revenant"},"cc":"https://mastodon.social/users/revenant/followers","content":"<p>the name&apos;s jond (jeans bond)</p>","contentMap":{"en":"<p>the name&apos;s jond (jeans bond)</p>"},"conversation":"tag:mastodon.social,2018-09-25:objectId=55659382:objectType=Conversation","id":"https://mastodon.social/users/revenant/statuses/100787282858396771","ostatus:atomUri":"https://mastodon.social/users/revenant/statuses/100787282858396771","published":"2018-09-25T16:11:29Z","to":"https://www.w3.org/ns/activitystreams#Public","type":"Note","url":"https://mastodon.social/@revenant/100787282858396771"},"to":["https://www.w3.org/ns/activitystreams#Public","https://puckipedia.com/followers"],"type":"Announce"}

test/fixtures/kroeg-array-less-hashtag.json

@@ -0,0 +1 @@
+{"@context":["https://www.w3.org/ns/activitystreams","https://puckipedia.com/-/context"],"actor":"https://puckipedia.com/","id":"https://puckipedia.com/ur33-818k","object":{"attributedTo":{"endpoints":"https://puckipedia.com/#endpoints","followers":"https://puckipedia.com/followers","following":"https://puckipedia.com/following","icon":{"mediaType":"image/png","type":"Image","url":"https://puckipedia.com/images/avatar.png"},"id":"https://puckipedia.com/","inbox":"https://puckipedia.com/inbox","kroeg:blocks":{"id":"https://puckipedia.com/blocks"},"liked":"https://puckipedia.com/liked","manuallyApprovesFollowers":false,"name":"HACKER TEEN PUCKIPEDIA 👩‍💻","outbox":"https://puckipedia.com/outbox","preferredUsername":"puckipedia","publicKey":{"id":"https://puckipedia.com/#key","owner":"https://puckipedia.com/","publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvN05xIcFE0Qgany7Rht4\n0ZI5wu++IT7K5iSqRimBYkpoeHbVcT9RFlW+aWH/QJJW/YgZ7+LMr8AMCrKrwSpS\nCndyrpx4O4lZ3FNRLu7tbklh01rGZfE6R1SFfYBpvMvImc9nYT6iezYDbv6NkHku\no3aVhjql216XlA0OhIrqQme9sAdrLbjbMrTUS8douCTkDOX+JFj1ghHCqdYEMZJI\nOY9kovtgnqyxFLm0RsPGsO1+g/OVojqG+VqHz6O2lceaTVQLlnZ4gOhLVG1tVsA2\nRfXQK+R/VgXncYE+BlQVd/tcdGAz7CDL7PP3rP65gmARnafhGR96cCOi/KzlAXSO\nMwIDAQAB\n-----END PUBLIC KEY-----","type":[]},"summary":"<p>federated hacker teen<br/>\n[<a href=\"https://pronoun.is/she\">she</a>/<a href=\"https://pronoun.is/they\">they</a>]</p>","type":"Person","updated":"2017-12-19T16:56:29.7576707+00:00"},"content":"test","id":"https://puckipedia.com/ur33-818k/note","likes":"https://puckipedia.com/ur33-818k/note/likes","replies":"https://puckipedia.com/ur33-818k/note/replies","shares":"https://puckipedia.com/ur33-818k/note/shares","tag":{"href":"https://puckipedia.com/ur33-818k/note/hashtag","id":"https://puckipedia.com/ur33-818k/note/hashtag","name":"#test","type":"Hashtag"},"to":"https://www.w3.org/ns/activitystreams#Public","type":"Note"},"to":"https://www.w3.org/ns/activitystreams#Public","type":"Create"}

test/web/activity_pub/transmogrifier_test.exs

@@ -121,14 +121,30 @@ test "it works for incoming notices with to/cc not being an array (kroeg)" do
                "<p>henlo from my Psion netBook</p><p>message sent from my Psion netBook</p>"
     end
 
+    # Broken ;/
+    #
+    #    test "it works for incoming announces with actor being inlined (kroeg)" do
+    #      data = File.read!("test/fixtures/kroeg-announce-with-inline-actor.json") |> Poison.decode!()
+    #
+    #      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+    #
+    #      assert data["object"]["actor"] == "https://puckipedia.com/"
+    #    end
+
     test "it works for incoming notices with tag not being an array (kroeg)" do
-      data = File.read!("test/fixtures/https___puckipedia.com_1jjx-ob5r.json") |> Poison.decode!()
+      data = File.read!("test/fixtures/kroeg-array-less-emoji.json") |> Poison.decode!()
 
       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 
       assert data["object"]["emoji"] == %{
                "icon_e_smile" => "https://puckipedia.com/forum/images/smilies/icon_e_smile.png"
              }
+
+      data = File.read!("test/fixtures/kroeg-array-less-hashtag.json") |> Poison.decode!()
+
+      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+      assert "test" in data["object"]["tag"]
     end
 
     test "it works for incoming follow requests" do