SERVER-45966 Add ClientMetadataPropagationEgressHook for NetworkInterface used by ReplicaSetNodeProcessInterface

1 files changed, 52 insertions, 0 deletions

diff --git a/src/mongo/db/client_metadata_propagation_egress_hook.h b/src/mongo/db/client_metadata_propagation_egress_hook.h
new file mode 100644
index 00000000000..b2831af3baf
--- /dev/null
+++ b/src/mongo/db/client_metadata_propagation_egress_hook.h
@@ -0,0 +1,52 @@
+/**
+ *    Copyright (C) 2020-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program 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
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#pragma once
+
+#include "mongo/db/service_context.h"
+#include "mongo/rpc/metadata/metadata_hook.h"
+
+namespace mongo {
+namespace rpc {
+
+/**
+ * Hook for attaching client and auth metadata for requests made on behalf of a user.
+ */
+class ClientMetadataPropagationEgressHook : public rpc::EgressMetadataHook {
+public:
+    virtual ~ClientMetadataPropagationEgressHook() = default;
+
+    Status readReplyMetadata(OperationContext* opCtx,
+                             StringData replySource,
+                             const BSONObj& metadataObj) final;
+    Status writeRequestMetadata(OperationContext* opCtx, BSONObjBuilder* metadataBob) final;
+};
+
+}  // namespace rpc
+}  // namespace mongo