refactor(backend): rename OpenFlare directory to lowercase openflare

backend/openflare/share/geoip/emptyProvider.go

@@ -0,0 +1,37 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package geoip
+
+import (
+	"errors"
+	"net"
+)
+
+// EmptyProvider is a no-op GeoIP backend used before a real provider is configured.
+type EmptyProvider struct{}
+
+// Name returns the provider identifier.
+func (e *EmptyProvider) Name() string {
+	return "EmptyProvider"
+}
+
+// Initialize prepares the empty provider for use.
+func (e *EmptyProvider) Initialize() error {
+	return nil
+}
+
+// GetGeoInfo reports that no GeoIP provider has been configured.
+func (e *EmptyProvider) GetGeoInfo(_ net.IP) (*GeoInfo, error) {
+	return nil, errors.New("you are using an empty GeoIP provider, please set a valid provider")
+}
+
+// UpdateDatabase reports that no GeoIP provider has been configured.
+func (e *EmptyProvider) UpdateDatabase() error {
+	return errors.New("you are using an empty GeoIP provider, please set a valid provider")
+}
+
+// Close releases resources held by the empty provider.
+func (e *EmptyProvider) Close() error {
+	return nil
+}