Merge branch 'fix/instance-thumbnail-url' into 'develop'

Fix URL to custom instance thumbnail

Closes #2611

See merge request pleroma/pleroma!3388

CHANGELOG.md

@@ -19,6 +19,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 
 - Try to save exported ConfigDB settings (migrate_from_db) in the system temp directory if default location is not writable.
+- Uploading custom instance thumbnail via AdminAPI/AdminFE generated invalid URL to the image
 
 ## [2.3.0] - 2020-03-01
 

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

@@ -23,7 +23,8 @@ def render("show.json", _) do
         streaming_api: Pleroma.Web.Endpoint.websocket_url()
       },
       stats: Pleroma.Stats.get_stats(),
-      thumbnail: Pleroma.Web.base_url() <> Keyword.get(instance, :instance_thumbnail),
+      thumbnail:
+        URI.merge(Pleroma.Web.base_url(), Keyword.get(instance, :instance_thumbnail)) |> to_string,
       languages: ["en"],
       registrations: Keyword.get(instance, :registrations_open),
       approval_required: Keyword.get(instance, :account_approval_required),

test/pleroma/web/admin_api/controllers/config_controller_test.exs

@@ -1410,6 +1410,48 @@ test "enables the welcome messages", %{conn: conn} do
                "need_reboot" => false
              }
     end
+
+    test "custom instance thumbnail", %{conn: conn} do
+      clear_config([:instance])
+
+      params = %{
+        "group" => ":pleroma",
+        "key" => ":instance",
+        "value" => [
+          %{
+            "tuple" => [
+              ":instance_thumbnail",
+              "https://example.com/media/new_thumbnail.jpg"
+            ]
+          }
+        ]
+      }
+
+      res =
+        assert conn
+               |> put_req_header("content-type", "application/json")
+               |> post("/api/pleroma/admin/config", %{"configs" => [params]})
+               |> json_response_and_validate_schema(200)
+
+      assert res == %{
+               "configs" => [
+                 %{
+                   "db" => [":instance_thumbnail"],
+                   "group" => ":pleroma",
+                   "key" => ":instance",
+                   "value" => params["value"]
+                 }
+               ],
+               "need_reboot" => false
+             }
+
+      _res =
+        assert conn
+               |> get("/api/v1/instance")
+               |> json_response_and_validate_schema(200)
+
+      assert res = %{"thumbnail" => "https://example.com/media/new_thumbnail.jpg"}
+    end
   end
 
   describe "GET /api/pleroma/admin/config/descriptions" do