Migrated scrobbling stuff

src/libs/services/auth/impl/EnvService.cpp

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2021 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "auth/IEnvService.hpp"
+
+#include "auth/Types.hpp"
+#include "http-headers/HttpHeadersEnvService.hpp"
+
+namespace Auth
+{
+	std::unique_ptr<IEnvService>
+	createEnvService(std::string_view backendName, Database::Db& db)
+	{
+		if (backendName == "http-headers")
+			return std::make_unique<HttpHeadersEnvService>(db);
+
+		throw Exception {"Authentication backend '" + std::string {backendName} + "' is not supported!"};
+	}
+}