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- // MinIO C++ Library for Amazon S3 Compatible Cloud Storage
- // Copyright 2022 MinIO, Inc.
- //
- // 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 _MINIO_S3_SSE_H
- #define _MINIO_S3_SSE_H
- #include "utils.h"
- namespace minio {
- namespace s3 {
- class Sse {
- protected:
- utils::Multimap headers_;
- utils::Multimap copy_headers_;
- public:
- Sse() {}
- virtual ~Sse() {}
- utils::Multimap Headers() { return headers_; }
- utils::Multimap CopyHeaders() { return copy_headers_; }
- virtual bool TlsRequired() = 0;
- }; // class Sse
- class SseCustomerKey : public Sse {
- public:
- SseCustomerKey(std::string_view key) {
- std::string b64key = utils::Base64Encode(key);
- std::string md5key = utils::Md5sumHash(key);
- this->headers_.Add("X-Amz-Server-Side-Encryption-Customer-Algorithm",
- "AES256");
- this->headers_.Add("X-Amz-Server-Side-Encryption-Customer-Key", b64key);
- this->headers_.Add("X-Amz-Server-Side-Encryption-Customer-Key-MD5", md5key);
- this->copy_headers_.Add(
- "X-Amz-Copy-Source-Server-Side-Encryption-Customer-Algorithm",
- "AES256");
- this->copy_headers_.Add(
- "X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key", b64key);
- this->copy_headers_.Add(
- "X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key-MD5", md5key);
- }
- bool TlsRequired() { return true; }
- }; // class SseCustomerKey
- class SseKms : public Sse {
- public:
- SseKms(std::string_view key, std::string_view context) {
- this->headers_.Add("X-Amz-Server-Side-Encryption-Aws-Kms-Key-Id",
- std::string(key));
- this->headers_.Add("X-Amz-Server-Side-Encryption", "aws:kms");
- if (!context.empty()) {
- this->headers_.Add("X-Amz-Server-Side-Encryption-Context",
- utils::Base64Encode(context));
- }
- }
- bool TlsRequired() { return true; }
- }; // class SseKms
- class SseS3 : public Sse {
- public:
- SseS3() { this->headers_.Add("X-Amz-Server-Side-Encryption", "AES256"); }
- bool TlsRequired() { return false; }
- }; // class SseS3
- } // namespace s3
- } // namespace minio
- #endif // #ifndef __MINIO_S3_SSE_H
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