Fix usage of is_bitstring instead of is_binary

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/federation/activity_pub/refresher.ex

@@ -127,7 +127,7 @@ defmodule Mobilizon.Federation.ActivityPub.Refresher do
        do: process_collection(first, on_behalf_of)
 
   defp process_collection(%{"type" => "OrderedCollection", "first" => first}, on_behalf_of)
-       when is_bitstring(first) do
+       when is_binary(first) do
     Logger.debug("OrderedCollection has a first property pointing to an URI")
 
     with {:ok, data} <- Fetcher.fetch(first, on_behalf_of: on_behalf_of) do

lib/federation/activity_pub/relay.ex

@@ -126,7 +126,7 @@ defmodule Mobilizon.Federation.ActivityPub.Relay do
     end
   end
 
-  defp fetch_object(object) when is_bitstring(object), do: {object, object}
+  defp fetch_object(object) when is_binary(object), do: {object, object}
 
   @spec fetch_actor(String.t()) :: {:ok, String.t()} | {:error, String.t()}
   # Dirty hack

lib/federation/activity_pub/utils.ex

@@ -26,7 +26,7 @@ defmodule Mobilizon.Federation.ActivityPub.Utils do
   # 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_url(%{"id" => id}), do: id
-  def get_url(id) when is_bitstring(id), do: id
+  def get_url(id) when is_binary(id), do: id
   def get_url(ids) when is_list(ids), do: get_url(hd(ids))
   def get_url(_), do: nil
 
@@ -223,7 +223,7 @@ defmodule Mobilizon.Federation.ActivityPub.Utils do
     end
   end
 
-  def get_actor(%{"actor" => %{"id" => id}}) when is_bitstring(id) do
+  def get_actor(%{"actor" => %{"id" => id}}) when is_binary(id) do
     id
   end
 

lib/federation/activity_stream/converter/event.ex

@@ -155,7 +155,7 @@ defmodule Mobilizon.Federation.ActivityStream.Converter.Event do
   end
 
   @spec get_address(map | binary | nil) :: integer | nil
-  defp get_address(address_url) when is_bitstring(address_url) do
+  defp get_address(address_url) when is_binary(address_url) do
     get_address(%{"id" => address_url})
   end
 

lib/federation/activity_stream/converter/media.ex

@@ -38,7 +38,7 @@ defmodule Mobilizon.Federation.ActivityStream.Converter.Media do
         %{"type" => "Document", "url" => media_url, "name" => name},
         actor_id
       )
-      when is_bitstring(media_url) do
+      when is_binary(media_url) do
     with {:ok, %{body: body}} <- Tesla.get(media_url, opts: @http_options),
          {:ok, %{name: name, url: url, content_type: content_type, size: size}} <-
            Upload.store(%{body: body, name: name}),

lib/federation/activity_stream/converter/utils.ex

@@ -94,7 +94,7 @@ defmodule Mobilizon.Federation.ActivityStream.Converter.Utils do
     end
   end
 
-  defp fetch_tag(tag) when is_bitstring(tag), do: [tag_without_hash(tag)]
+  defp fetch_tag(tag) when is_binary(tag), do: [tag_without_hash(tag)]
 
   defp tag_without_hash("#" <> tag_title), do: tag_title
   defp tag_without_hash(tag_title), do: tag_title