--- /dev/null
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_SECURITY_CREDENTIALS_COMPOSITE_COMPOSITE_CREDENTIALS_H
+#define GRPC_CORE_LIB_SECURITY_CREDENTIALS_COMPOSITE_COMPOSITE_CREDENTIALS_H
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/gprpp/inlined_vector.h"
+#include "src/core/lib/gprpp/ref_counted_ptr.h"
+#include "src/core/lib/security/credentials/credentials.h"
+
+/* -- Composite channel credentials. -- */
+
+class grpc_composite_channel_credentials : public grpc_channel_credentials {
+ public:
+ grpc_composite_channel_credentials(
+ grpc_core::RefCountedPtr<grpc_channel_credentials> channel_creds,
+ grpc_core::RefCountedPtr<grpc_call_credentials> call_creds)
+ : grpc_channel_credentials(channel_creds->type()),
+ inner_creds_(std::move(channel_creds)),
+ call_creds_(std::move(call_creds)) {}
+
+ ~grpc_composite_channel_credentials() override = default;
+
+ grpc_core::RefCountedPtr<grpc_channel_credentials>
+ duplicate_without_call_credentials() override {
+ return inner_creds_;
+ }
+
+ grpc_core::RefCountedPtr<grpc_channel_security_connector>
+ create_security_connector(
+ grpc_core::RefCountedPtr<grpc_call_credentials> call_creds,
+ const char* target, const grpc_channel_args* args,
+ grpc_channel_args** new_args) override;
+
+ grpc_channel_args* update_arguments(grpc_channel_args* args) override {
+ return inner_creds_->update_arguments(args);
+ }
+
+ const grpc_channel_credentials* inner_creds() const {
+ return inner_creds_.get();
+ }
+ const grpc_call_credentials* call_creds() const { return call_creds_.get(); }
+ grpc_call_credentials* mutable_call_creds() { return call_creds_.get(); }
+
+ private:
+ grpc_core::RefCountedPtr<grpc_channel_credentials> inner_creds_;
+ grpc_core::RefCountedPtr<grpc_call_credentials> call_creds_;
+};
+
+/* -- Composite call credentials. -- */
+
+class grpc_composite_call_credentials : public grpc_call_credentials {
+ public:
+ using CallCredentialsList =
+ grpc_core::InlinedVector<grpc_core::RefCountedPtr<grpc_call_credentials>,
+ 2>;
+
+ grpc_composite_call_credentials(
+ grpc_core::RefCountedPtr<grpc_call_credentials> creds1,
+ grpc_core::RefCountedPtr<grpc_call_credentials> creds2);
+ ~grpc_composite_call_credentials() override = default;
+
+ bool get_request_metadata(grpc_polling_entity* pollent,
+ grpc_auth_metadata_context context,
+ grpc_credentials_mdelem_array* md_array,
+ grpc_closure* on_request_metadata,
+ grpc_error** error) override;
+
+ void cancel_get_request_metadata(grpc_credentials_mdelem_array* md_array,
+ grpc_error* error) override;
+
+ const CallCredentialsList& inner() const { return inner_; }
+
+ private:
+ void push_to_inner(grpc_core::RefCountedPtr<grpc_call_credentials> creds,
+ bool is_composite);
+
+ CallCredentialsList inner_;
+};
+
+#endif /* GRPC_CORE_LIB_SECURITY_CREDENTIALS_COMPOSITE_COMPOSITE_CREDENTIALS_H \
+ */