AccountView: Use mediaproxy URLs for emojis

Also use atom keys in emoji maps instead of binaries

Closes #1810

lib/pleroma/web/mastodon_api/views/account_view.ex

@@ -182,12 +182,14 @@ defp do_render("show.json", %{user: user} = opts) do
     bot = user.actor_type in ["Application", "Service"]
 
     emojis =
-      Enum.map(user.emoji, fn {shortcode, url} ->
+      Enum.map(user.emoji, fn {shortcode, raw_url} ->
+        url = MediaProxy.url(raw_url)
+
         %{
-          "shortcode" => shortcode,
-          "url" => url,
-          "static_url" => url,
-          "visible_in_picker" => false
+          shortcode: shortcode,
+          url: url,
+          static_url: url,
+          visible_in_picker: false
         }
       end)
 

test/web/mastodon_api/views/account_view_test.exs

@@ -54,10 +54,10 @@ test "Represent a user account" do
       header_static: "http://localhost:4001/images/banner.png",
       emojis: [
         %{
-          "static_url" => "/file.png",
-          "url" => "/file.png",
-          "shortcode" => "karjalanpiirakka",
-          "visible_in_picker" => false
+          static_url: "/file.png",
+          url: "/file.png",
+          shortcode: "karjalanpiirakka",
+          visible_in_picker: false
         }
       ],
       fields: [],
@@ -491,4 +491,31 @@ test "shows non-zero when historical unapproved requests are present" do
                AccountView.render("show.json", %{user: user, for: user})
     end
   end
+
+  test "uses mediaproxy urls when it's enabled" do
+    clear_config([:media_proxy, :enabled], true)
+
+    user =
+      insert(:user,
+        avatar: %{"url" => [%{"href" => "https://evil.website/avatar.png"}]},
+        banner: %{"url" => [%{"href" => "https://evil.website/banner.png"}]},
+        emoji: %{"joker_smile" => "https://evil.website/society.png"}
+      )
+
+    AccountView.render("show.json", %{user: user})
+    |> Enum.all?(fn
+      {key, url} when key in [:avatar, :avatar_static, :header, :header_static] ->
+        String.starts_with?(url, Pleroma.Web.base_url())
+
+      {:emojis, emojis} ->
+        Enum.all?(emojis, fn %{url: url, static_url: static_url} ->
+          String.starts_with?(url, Pleroma.Web.base_url()) &&
+            String.starts_with?(static_url, Pleroma.Web.base_url())
+        end)
+
+      _ ->
+        true
+    end)
+    |> assert()
+  end
 end