forked from golang/hotime
104 lines
3.4 KiB
Go
104 lines
3.4 KiB
Go
|
// Copyright (C) MongoDB, Inc. 2017-present.
|
||
|
//
|
||
|
// 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
|
||
|
|
||
|
package options
|
||
|
|
||
|
import (
|
||
|
"go.mongodb.org/mongo-driver/bson/primitive"
|
||
|
)
|
||
|
|
||
|
// These constants specify valid values for QueryType
|
||
|
// QueryType is used for Queryable Encryption.
|
||
|
// Queryable Encryption is in Public Technical Preview. Queryable Encryption should not be used in production and is subject to backwards breaking changes.
|
||
|
const (
|
||
|
QueryTypeEquality string = "equality"
|
||
|
)
|
||
|
|
||
|
// EncryptOptions represents options to explicitly encrypt a value.
|
||
|
type EncryptOptions struct {
|
||
|
KeyID *primitive.Binary
|
||
|
KeyAltName *string
|
||
|
Algorithm string
|
||
|
QueryType string
|
||
|
ContentionFactor *int64
|
||
|
}
|
||
|
|
||
|
// Encrypt creates a new EncryptOptions instance.
|
||
|
func Encrypt() *EncryptOptions {
|
||
|
return &EncryptOptions{}
|
||
|
}
|
||
|
|
||
|
// SetKeyID specifies an _id of a data key. This should be a UUID (a primitive.Binary with subtype 4).
|
||
|
func (e *EncryptOptions) SetKeyID(keyID primitive.Binary) *EncryptOptions {
|
||
|
e.KeyID = &keyID
|
||
|
return e
|
||
|
}
|
||
|
|
||
|
// SetKeyAltName identifies a key vault document by 'keyAltName'.
|
||
|
func (e *EncryptOptions) SetKeyAltName(keyAltName string) *EncryptOptions {
|
||
|
e.KeyAltName = &keyAltName
|
||
|
return e
|
||
|
}
|
||
|
|
||
|
// SetAlgorithm specifies an algorithm to use for encryption. This should be one of the following:
|
||
|
// - AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic
|
||
|
// - AEAD_AES_256_CBC_HMAC_SHA_512-Random
|
||
|
// - Indexed
|
||
|
// - Unindexed
|
||
|
// This is required.
|
||
|
// Indexed and Unindexed are used for Queryable Encryption.
|
||
|
// Queryable Encryption is in Public Technical Preview. Queryable Encryption should not be used in production and is subject to backwards breaking changes.
|
||
|
func (e *EncryptOptions) SetAlgorithm(algorithm string) *EncryptOptions {
|
||
|
e.Algorithm = algorithm
|
||
|
return e
|
||
|
}
|
||
|
|
||
|
// SetQueryType specifies the intended query type. It is only valid to set if algorithm is "Indexed".
|
||
|
// This should be one of the following:
|
||
|
// - equality
|
||
|
// QueryType is used for Queryable Encryption.
|
||
|
// Queryable Encryption is in Public Technical Preview. Queryable Encryption should not be used in production and is subject to backwards breaking changes.
|
||
|
func (e *EncryptOptions) SetQueryType(queryType string) *EncryptOptions {
|
||
|
e.QueryType = queryType
|
||
|
return e
|
||
|
}
|
||
|
|
||
|
// SetContentionFactor specifies the contention factor. It is only valid to set if algorithm is "Indexed".
|
||
|
// ContentionFactor is used for Queryable Encryption.
|
||
|
// Queryable Encryption is in Public Technical Preview. Queryable Encryption should not be used in production and is subject to backwards breaking changes.
|
||
|
func (e *EncryptOptions) SetContentionFactor(contentionFactor int64) *EncryptOptions {
|
||
|
e.ContentionFactor = &contentionFactor
|
||
|
return e
|
||
|
}
|
||
|
|
||
|
// MergeEncryptOptions combines the argued EncryptOptions in a last-one wins fashion.
|
||
|
func MergeEncryptOptions(opts ...*EncryptOptions) *EncryptOptions {
|
||
|
eo := Encrypt()
|
||
|
for _, opt := range opts {
|
||
|
if opt == nil {
|
||
|
continue
|
||
|
}
|
||
|
|
||
|
if opt.KeyID != nil {
|
||
|
eo.KeyID = opt.KeyID
|
||
|
}
|
||
|
if opt.KeyAltName != nil {
|
||
|
eo.KeyAltName = opt.KeyAltName
|
||
|
}
|
||
|
if opt.Algorithm != "" {
|
||
|
eo.Algorithm = opt.Algorithm
|
||
|
}
|
||
|
if opt.QueryType != "" {
|
||
|
eo.QueryType = opt.QueryType
|
||
|
}
|
||
|
if opt.ContentionFactor != nil {
|
||
|
eo.ContentionFactor = opt.ContentionFactor
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return eo
|
||
|
}
|