com.mongodb.AutoEncryptionSettings Maven / Gradle / Ivy
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/*
* Copyright 2008-present MongoDB, 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.
*/
package com.mongodb;
import com.mongodb.annotations.NotThreadSafe;
import com.mongodb.lang.Nullable;
import org.bson.BsonDocument;
import java.util.Collections;
import java.util.Map;
import static com.mongodb.assertions.Assertions.notNull;
/**
* The client-side automatic encryption settings. Client side encryption enables an application to specify what fields in a collection
* must be encrypted, and the driver automatically encrypts commands sent to MongoDB and decrypts responses.
*
* Automatic encryption is an enterprise only feature that only applies to operations on a collection. Automatic encryption is not
* supported for operations on a database or view and will result in error. To bypass automatic encryption,
* set bypassAutoEncryption=true in {@code AutoEncryptionSettings}.
*
*
* Explicit encryption/decryption and automatic decryption is a community feature, enabled with the new
* {@code com.mongodb.client.vault.ClientEncryption} type.
*
*
* A MongoClient configured with bypassAutoEncryption=true will still automatically decrypt.
*
*
* If automatic encryption fails on an operation, use a MongoClient configured with bypassAutoEncryption=true and use
* ClientEncryption#encrypt to manually encrypt values.
*
*
* Enabling client side encryption reduces the maximum document and message size (using a maxBsonObjectSize of 2MiB and
* maxMessageSizeBytes of 6MB) and may have a negative performance impact.
*
*
* Automatic encryption requires the authenticated user to have the listCollections privilege action.
*
*
* @since 3.11
*
* @deprecated Usage of this API is not supported in AEM as a Cloud Service.
*/
@Deprecated(since = "2021-05-27")
public final class AutoEncryptionSettings {
private final MongoClientSettings keyVaultMongoClientSettings;
private final String keyVaultNamespace;
private final Map> kmsProviders;
private final Map schemaMap;
private final Map extraOptions;
private final boolean bypassAutoEncryption;
/**
* A builder for {@code AutoEncryptionSettings} so that {@code AutoEncryptionSettings} can be immutable, and to support easier
* construction through chaining.
*
* @deprecated Usage of this API is not supported in AEM as a Cloud Service.
*/
@NotThreadSafe
@Deprecated(since = "2021-05-27")
public static final class Builder {
private MongoClientSettings keyVaultMongoClientSettings;
private String keyVaultNamespace;
private Map> kmsProviders;
private Map schemaMap = Collections.emptyMap();
private Map extraOptions = Collections.emptyMap();
private boolean bypassAutoEncryption;
/**
* Sets the key vault settings.
*
* @param keyVaultMongoClientSettings the key vault mongo client settings, which may be null.
* @return this
* @see #getKeyVaultMongoClientSettings()
*/
public Builder keyVaultMongoClientSettings(final MongoClientSettings keyVaultMongoClientSettings) {
this.keyVaultMongoClientSettings = keyVaultMongoClientSettings;
return this;
}
/**
* Sets the key vault namespace
*
* @param keyVaultNamespace the key vault namespace, which may not be null
* @return this
* @see #getKeyVaultNamespace()
*/
public Builder keyVaultNamespace(final String keyVaultNamespace) {
this.keyVaultNamespace = notNull("keyVaultNamespace", keyVaultNamespace);
return this;
}
/**
* Sets the KMS providers map.
*
* @param kmsProviders the KMS providers map, which may not be null
* @return this
* @see #getKmsProviders()
*/
public Builder kmsProviders(final Map> kmsProviders) {
this.kmsProviders = notNull("kmsProviders", kmsProviders);
return this;
}
/**
* Sets the map from namespace to local schema document
*
* @param schemaMap the map from namespace to local schema document
* @return this
* @see #getSchemaMap()
*/
public Builder schemaMap(final Map schemaMap) {
this.schemaMap = notNull("schemaMap", schemaMap);
return this;
}
/**
* Sets the extra options.
*
* @param extraOptions the extra options, which may not be null
* @return this
* @see #getExtraOptions()
*/
public Builder extraOptions(final Map extraOptions) {
this.extraOptions = notNull("extraOptions", extraOptions);
return this;
}
/**
* Sets whether auto-encryption should be bypassed.
*
* @param bypassAutoEncryption whether auto-encryption should be bypassed
* @return this
* @see #isBypassAutoEncryption()
*/
public Builder bypassAutoEncryption(final boolean bypassAutoEncryption) {
this.bypassAutoEncryption = bypassAutoEncryption;
return this;
}
/**
* Build an instance of {@code AutoEncryptionSettings}.
*
* @return the settings from this builder
*/
public AutoEncryptionSettings build() {
return new AutoEncryptionSettings(this);
}
private Builder() {
}
}
/**
* Convenience method to create a Builder.
*
* @return a builder
*/
public static Builder builder() {
return new Builder();
}
/**
* Gets the key vault settings.
*
*
* The key vault collection is assumed to reside on the same MongoDB cluster as the encrypted collections. But the optional
* keyVaultMongoClientSettings can be used to route data key queries to a separate MongoDB cluster, or the same cluster but using a
* different credential.
*
*
* @return the key vault settings, which may be null to indicate that the same {@code MongoClient} should be used to access the key
* vault collection as is used for the rest of the application.
*/
@Nullable
public MongoClientSettings getKeyVaultMongoClientSettings() {
return keyVaultMongoClientSettings;
}
/**
* Gets the key vault namespace.
*
*
* The key vault namespace refers to a collection that contains all data keys used for encryption and decryption (aka the key vault
* collection). Data keys are stored as documents in a special MongoDB collection. Data keys are protected with encryption by a KMS
* provider (AWS KMS or a local master key).
*
*
* @return the key vault namespace, which may not be null
*/
public String getKeyVaultNamespace() {
return keyVaultNamespace;
}
/**
* Gets the map of KMS provider properties.
*
*
* Multiple KMS providers may be specified. Initially, two KMS providers are supported: "aws" and "local". The kmsProviders map
* values differ by provider:
*
*
* For "aws", the properties are:
*
*
* - accessKeyId: a String containing the AWS access key identifier
* - secretAccessKey: a String the AWS secret access key
*
*
* For "local", the properties are:
*
*
* - key: <byte array of length 96>
*
*
* @return map of KMS provider properties
*/
public Map> getKmsProviders() {
return kmsProviders;
}
/**
* Gets the map of namespace to local JSON schema.
*
* Automatic encryption is configured with an "encrypt" field in a collection's JSONSchema. By default, a collection's JSONSchema is
* periodically polled with the listCollections command. But a JSONSchema may be specified locally with the schemaMap option.
*
*
* The key into the map is the full namespace of the collection, which is {@code <database name>.<collection name>}. For
* example, if the database name is {@code "test"} and the collection name is {@code "users"}, then the namesspace is
* {@code "test.users"}.
*
*
* Supplying a schemaMap provides more security than relying on JSON Schemas obtained from the server. It protects against a
* malicious server advertising a false JSON Schema, which could trick the client into sending unencrypted data that should be
* encrypted.
*
*
* Schemas supplied in the schemaMap only apply to configuring automatic encryption for client side encryption. Other validation
* rules in the JSON schema will not be enforced by the driver and will result in an error.
*
*
* @return map of namespace to local JSON schema
*/
public Map getSchemaMap() {
return schemaMap;
}
/**
* Gets the extra options that control the behavior of auto-encryption components.
*
* The extraOptions currently only relate to the mongocryptd process. The following options keys are supported:
*
*
* - mongocryptdURI: a String which defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or
* "mongodb://localhost:27020" otherwise.
* - mongocryptdBypassSpawn: a boolean which defaults to false. If true, the driver will not attempt to automatically spawn a
* mongocryptd process
* - mongocryptdSpawnPath: specifies the full path to the mongocryptd executable. By default the driver spawns mongocryptd from
* the system path.
* - mongocryptdSpawnArgs: Used to control the behavior of mongocryptd when the driver spawns it. By default, the driver spawns
* mongocryptd with the single command line argument {@code "--idleShutdownTimeoutSecs=60"}
*
*
* @return the extra options map
*/
public Map getExtraOptions() {
return extraOptions;
}
/**
* Gets whether auto-encryption should be bypassed. Even when this option is true, auto-decryption is still enabled.
*
* This option is useful for cases where the driver throws an exception because it is unable to prove that the command does not
* contain any fields that should be automatically encrypted, but the application is able to determine that it does not. For these
* cases, the application can construct a {@code MongoClient} with {@code AutoEncryptionSettings} with {@code bypassAutoEncryption}
* enabled.
*
*
* @return true if auto-encryption should be bypassed
*/
public boolean isBypassAutoEncryption() {
return bypassAutoEncryption;
}
private AutoEncryptionSettings(final Builder builder) {
this.keyVaultMongoClientSettings = builder.keyVaultMongoClientSettings;
this.keyVaultNamespace = notNull("keyVaultNamespace", builder.keyVaultNamespace);
this.kmsProviders = notNull("kmsProviders", builder.kmsProviders);
this.schemaMap = notNull("schemaMap", builder.schemaMap);
this.extraOptions = notNull("extraOptions", builder.extraOptions);
this.bypassAutoEncryption = builder.bypassAutoEncryption;
}
}