Merge branch 'fix-2856' into 'develop'

Uploading an avatar media exceeding max size returns a 413

Closes #2856

See merge request pleroma/pleroma!3804

test/pleroma/web/mastodon_api/update_credentials_test.exs

@@ -259,6 +259,34 @@ defmodule Pleroma.Web.MastodonAPI.UpdateCredentialsTest do
       assert user.avatar == nil
     end
 
+    test "updates the user's avatar, upload_limit, returns a HTTP 413", %{conn: conn, user: user} do
+      upload_limit = Config.get([:instance, :upload_limit]) * 8 + 8
+
+      assert :ok ==
+               File.write(Path.absname("test/tmp/large_binary.data"), <<0::size(upload_limit)>>)
+
+      new_avatar_oversized = %Plug.Upload{
+        content_type: nil,
+        path: Path.absname("test/tmp/large_binary.data"),
+        filename: "large_binary.data"
+      }
+
+      assert user.avatar == %{}
+
+      res =
+        patch(conn, "/api/v1/accounts/update_credentials", %{"avatar" => new_avatar_oversized})
+
+      assert user_response = json_response_and_validate_schema(res, 413)
+      assert user_response["avatar"] != User.avatar_url(user)
+
+      user = User.get_by_id(user.id)
+      assert user.avatar == %{}
+
+      clear_config([:instance, :upload_limit], upload_limit)
+
+      assert :ok == File.rm(Path.absname("test/tmp/large_binary.data"))
+    end
+
     test "updates the user's banner", %{user: user, conn: conn} do
       new_header = %Plug.Upload{
         content_type: "image/jpeg",
@@ -278,6 +306,32 @@ defmodule Pleroma.Web.MastodonAPI.UpdateCredentialsTest do
       assert user.banner == nil
     end
 
+    test "updates the user's banner, upload_limit, returns a HTTP 413", %{conn: conn, user: user} do
+      upload_limit = Config.get([:instance, :upload_limit]) * 8 + 8
+
+      assert :ok ==
+               File.write(Path.absname("test/tmp/large_binary.data"), <<0::size(upload_limit)>>)
+
+      new_header_oversized = %Plug.Upload{
+        content_type: nil,
+        path: Path.absname("test/tmp/large_binary.data"),
+        filename: "large_binary.data"
+      }
+
+      res =
+        patch(conn, "/api/v1/accounts/update_credentials", %{"header" => new_header_oversized})
+
+      assert user_response = json_response_and_validate_schema(res, 413)
+      assert user_response["header"] != User.banner_url(user)
+
+      user = User.get_by_id(user.id)
+      assert user.banner == %{}
+
+      clear_config([:instance, :upload_limit], upload_limit)
+
+      assert :ok == File.rm(Path.absname("test/tmp/large_binary.data"))
+    end
+
     test "updates the user's background", %{conn: conn, user: user} do
       new_header = %Plug.Upload{
         content_type: "image/jpeg",
@@ -301,6 +355,34 @@ defmodule Pleroma.Web.MastodonAPI.UpdateCredentialsTest do
       assert user.background == nil
     end
 
+    test "updates the user's background, upload_limit, returns a HTTP 413", %{
+      conn: conn,
+      user: user
+    } do
+      upload_limit = Config.get([:instance, :upload_limit]) * 8 + 8
+
+      assert :ok ==
+               File.write(Path.absname("test/tmp/large_binary.data"), <<0::size(upload_limit)>>)
+
+      new_background_oversized = %Plug.Upload{
+        content_type: nil,
+        path: Path.absname("test/tmp/large_binary.data"),
+        filename: "large_binary.data"
+      }
+
+      res =
+        patch(conn, "/api/v1/accounts/update_credentials", %{
+          "pleroma_background_image" => new_background_oversized
+        })
+
+      assert user_response = json_response_and_validate_schema(res, 413)
+      assert user.background == %{}
+
+      clear_config([:instance, :upload_limit], upload_limit)
+
+      assert :ok == File.rm(Path.absname("test/tmp/large_binary.data"))
+    end
+
     test "requires 'write:accounts' permission" do
       token1 = insert(:oauth_token, scopes: ["read"])
       token2 = insert(:oauth_token, scopes: ["write", "follow"])