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bucket_encryption.h
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216 lines (187 loc) · 8.13 KB
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// Copyright 2022 Google LLC
//
// 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
//
// https://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 GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_STORAGE_BUCKET_ENCRYPTION_H
#define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_STORAGE_BUCKET_ENCRYPTION_H
#include "google/cloud/storage/version.h"
#include "google/cloud/internal/format_time_point.h"
#include <chrono>
#include <iosfwd>
#include <iostream>
#include <string>
#include <tuple>
#include <utility>
namespace google {
namespace cloud {
namespace storage {
GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_BEGIN
template <typename Tag>
struct EncryptionEnforcementConfigName;
template <typename Tag>
struct EncryptionEnforcementConfig {
std::string restriction_mode;
std::chrono::system_clock::time_point effective_time;
};
template <typename Tag>
inline bool operator==(EncryptionEnforcementConfig<Tag> const& lhs,
EncryptionEnforcementConfig<Tag> const& rhs) {
return std::tie(lhs.restriction_mode, lhs.effective_time) ==
std::tie(rhs.restriction_mode, rhs.effective_time);
}
template <typename Tag>
inline bool operator<(EncryptionEnforcementConfig<Tag> const& lhs,
EncryptionEnforcementConfig<Tag> const& rhs) {
return std::tie(lhs.restriction_mode, lhs.effective_time) <
std::tie(rhs.restriction_mode, rhs.effective_time);
}
template <typename Tag>
inline bool operator!=(EncryptionEnforcementConfig<Tag> const& lhs,
EncryptionEnforcementConfig<Tag> const& rhs) {
return std::rel_ops::operator!=(lhs, rhs);
}
template <typename Tag>
inline bool operator>(EncryptionEnforcementConfig<Tag> const& lhs,
EncryptionEnforcementConfig<Tag> const& rhs) {
return std::rel_ops::operator>(lhs, rhs);
}
template <typename Tag>
inline bool operator<=(EncryptionEnforcementConfig<Tag> const& lhs,
EncryptionEnforcementConfig<Tag> const& rhs) {
return std::rel_ops::operator<=(lhs, rhs);
}
template <typename Tag>
inline bool operator>=(EncryptionEnforcementConfig<Tag> const& lhs,
EncryptionEnforcementConfig<Tag> const& rhs) {
return std::rel_ops::operator>=(lhs, rhs);
}
template <typename Tag>
inline std::ostream& operator<<(std::ostream& os,
EncryptionEnforcementConfig<Tag> const& rhs) {
return os << EncryptionEnforcementConfigName<Tag>::kValue
<< "={restriction_mode=" << rhs.restriction_mode
<< ", effective_time="
<< google::cloud::internal::FormatRfc3339(rhs.effective_time)
<< "}";
}
struct GoogleManagedEncryptionEnforcementConfigTag {};
using GoogleManagedEncryptionEnforcementConfig =
EncryptionEnforcementConfig<GoogleManagedEncryptionEnforcementConfigTag>;
template <>
struct EncryptionEnforcementConfigName<
GoogleManagedEncryptionEnforcementConfigTag> {
static constexpr char const* kValue =
"GoogleManagedEncryptionEnforcementConfig";
};
struct CustomerManagedEncryptionEnforcementConfigTag {};
using CustomerManagedEncryptionEnforcementConfig =
EncryptionEnforcementConfig<CustomerManagedEncryptionEnforcementConfigTag>;
template <>
struct EncryptionEnforcementConfigName<
CustomerManagedEncryptionEnforcementConfigTag> {
static constexpr char const* kValue =
"CustomerManagedEncryptionEnforcementConfig";
};
struct CustomerSuppliedEncryptionEnforcementConfigTag {};
using CustomerSuppliedEncryptionEnforcementConfig =
EncryptionEnforcementConfig<CustomerSuppliedEncryptionEnforcementConfigTag>;
template <>
struct EncryptionEnforcementConfigName<
CustomerSuppliedEncryptionEnforcementConfigTag> {
static constexpr char const* kValue =
"CustomerSuppliedEncryptionEnforcementConfig";
};
/**
* Describes the default customer managed encryption key for a bucket.
*
* Customer managed encryption keys (CMEK) are encryption keys selected by the
* user and generated by Google Cloud Key Management Service.
*
* @see https://cloud.google.com/storage/docs/encryption/customer-managed-keys
* for a general description of CMEK in Google Cloud Storage.
*
* @see https://cloud.google.com/kms/ for details about the Cloud Key Management
* Service.
*/
struct BucketEncryption {
BucketEncryption() = default;
explicit BucketEncryption(std::string default_kms_key_name)
: default_kms_key_name(std::move(default_kms_key_name)) {}
BucketEncryption(std::string default_kms_key_name,
GoogleManagedEncryptionEnforcementConfig gmek,
CustomerManagedEncryptionEnforcementConfig cmek,
CustomerSuppliedEncryptionEnforcementConfig csek)
: default_kms_key_name(std::move(default_kms_key_name)),
google_managed_encryption_enforcement_config(std::move(gmek)),
customer_managed_encryption_enforcement_config(std::move(cmek)),
customer_supplied_encryption_enforcement_config(std::move(csek)) {}
std::string default_kms_key_name;
GoogleManagedEncryptionEnforcementConfig
google_managed_encryption_enforcement_config;
CustomerManagedEncryptionEnforcementConfig
customer_managed_encryption_enforcement_config;
CustomerSuppliedEncryptionEnforcementConfig
customer_supplied_encryption_enforcement_config;
};
inline bool operator==(BucketEncryption const& lhs,
BucketEncryption const& rhs) {
return std::tie(lhs.default_kms_key_name,
lhs.google_managed_encryption_enforcement_config,
lhs.customer_managed_encryption_enforcement_config,
lhs.customer_supplied_encryption_enforcement_config) ==
std::tie(rhs.default_kms_key_name,
rhs.google_managed_encryption_enforcement_config,
rhs.customer_managed_encryption_enforcement_config,
rhs.customer_supplied_encryption_enforcement_config);
}
inline bool operator<(BucketEncryption const& lhs,
BucketEncryption const& rhs) {
return std::tie(lhs.default_kms_key_name,
lhs.google_managed_encryption_enforcement_config,
lhs.customer_managed_encryption_enforcement_config,
lhs.customer_supplied_encryption_enforcement_config) <
std::tie(rhs.default_kms_key_name,
rhs.google_managed_encryption_enforcement_config,
rhs.customer_managed_encryption_enforcement_config,
rhs.customer_supplied_encryption_enforcement_config);
}
inline bool operator!=(BucketEncryption const& lhs,
BucketEncryption const& rhs) {
return std::rel_ops::operator!=(lhs, rhs);
}
inline bool operator>(BucketEncryption const& lhs,
BucketEncryption const& rhs) {
return std::rel_ops::operator>(lhs, rhs);
}
inline bool operator<=(BucketEncryption const& lhs,
BucketEncryption const& rhs) {
return std::rel_ops::operator<=(lhs, rhs);
}
inline bool operator>=(BucketEncryption const& lhs,
BucketEncryption const& rhs) {
return std::rel_ops::operator>=(lhs, rhs);
}
inline std::ostream& operator<<(std::ostream& os, BucketEncryption const& rhs) {
os << "BucketEncryption={default_kms_key_name=" << rhs.default_kms_key_name;
os << ", google_managed_encryption_enforcement_config="
<< rhs.google_managed_encryption_enforcement_config;
os << ", customer_managed_encryption_enforcement_config="
<< rhs.customer_managed_encryption_enforcement_config;
os << ", customer_supplied_encryption_enforcement_config="
<< rhs.customer_supplied_encryption_enforcement_config;
return os << "}";
}
GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_END
} // namespace storage
} // namespace cloud
} // namespace google
#endif // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_STORAGE_BUCKET_ENCRYPTION_H