Add api endpoints for UI

ui/api.go

@@ -0,0 +1,33 @@
+package ui
+
+import (
+	resources "github.com/cookieo9/resources-go"
+	"github.com/safing/portbase/api"
+	"github.com/safing/portbase/log"
+)
+
+func registerAPIEndpoints() error {
+	return api.RegisterEndpoint(api.Endpoint{
+		Path:       "ui/reload",
+		Read:       api.PermitUser,
+		ActionFunc: reloadUI,
+	})
+}
+
+func reloadUI(_ *api.Request) (msg string, err error) {
+	appsLock.Lock()
+	defer appsLock.Unlock()
+
+	// close all bundles.
+	for id, bundle := range apps {
+		err := bundle.Close()
+		if err != nil {
+			log.Warningf("ui: failed to close bundle %s: %s", id, err)
+		}
+	}
+
+	// Reset index.
+	apps = make(map[string]*resources.BundleSequence)
+
+	return "all ui bundles successfully reloaded", nil
+}