| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPCXX_AUTH_METADATA_PROCESSOR_H_ |
| #define GRPCXX_AUTH_METADATA_PROCESSOR_H_ |
| |
| #include <map> |
| |
| #include <grpc++/security/auth_context.h> |
| #include <grpc++/support/status.h> |
| #include <grpc++/support/string_ref.h> |
| |
| namespace grpc { |
| |
| class AuthMetadataProcessor { |
| public: |
| typedef std::multimap<grpc::string_ref, grpc::string_ref> InputMetadata; |
| typedef std::multimap<grpc::string, grpc::string> OutputMetadata; |
| |
| virtual ~AuthMetadataProcessor() {} |
| |
| // If this method returns true, the Process function will be scheduled in |
| // a different thread from the one processing the call. |
| virtual bool IsBlocking() const { return true; } |
| |
| // context is read/write: it contains the properties of the channel peer and |
| // it is the job of the Process method to augment it with properties derived |
| // from the passed-in auth_metadata. |
| // consumed_auth_metadata needs to be filled with metadata that has been |
| // consumed by the processor and will be removed from the call. |
| // response_metadata is the metadata that will be sent as part of the |
| // response. |
| // If the return value is not Status::OK, the rpc call will be aborted with |
| // the error code and error message sent back to the client. |
| virtual Status Process(const InputMetadata& auth_metadata, |
| AuthContext* context, |
| OutputMetadata* consumed_auth_metadata, |
| OutputMetadata* response_metadata) = 0; |
| }; |
| |
| } // namespace grpc |
| |
| #endif // GRPCXX_AUTH_METADATA_PROCESSOR_H_ |