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# frozen_string_literal: true
require 'spec_helper'
describe 'Decryption events' do
require_enterprise
min_server_fcv '4.2'
require_libmongocrypt
include_context 'define shared FLE helpers'
require_topology :replica_set
min_server_version '7.0.0-rc0'
let(:setup_client) do
ClientRegistry.instance.new_local_client(
SpecConfig.instance.addresses,
SpecConfig.instance.test_options.merge(
database: SpecConfig.instance.test_db
)
)
end
let(:collection_name) do
'decryption_event'
end
let(:client_encryption) do
Mongo::ClientEncryption.new(
setup_client,
key_vault_namespace: "#{key_vault_db}.#{key_vault_coll}",
kms_providers: local_kms_providers
)
end
let(:key_id) do
client_encryption.create_data_key('local')
end
let(:unencrypted_value) do
'hello'
end
let(:ciphertext) do
client_encryption.encrypt(
unencrypted_value,
key_id: key_id,
algorithm: 'AEAD_AES_256_CBC_HMAC_SHA_512-Deterministic'
)
end
let(:malformed_ciphertext) do
ciphertext.dup.tap do |obj|
obj.data[-1] = 0.chr
end
end
let(:encrypted_client) do
ClientRegistry.instance.new_local_client(
SpecConfig.instance.addresses,
SpecConfig.instance.test_options.merge(
auto_encryption_options: {
key_vault_namespace: "#{key_vault_db}.#{key_vault_coll}",
kms_providers: local_kms_providers,
extra_options: extra_options,
},
database: SpecConfig.instance.test_db,
retry_reads: false,
max_read_retries: 0
)
)
end
let(:collection) do
encrypted_client[collection_name]
end
let(:subscriber) { Mrss::EventSubscriber.new }
let(:command_error) do
{
'configureFailPoint' => 'failCommand',
'mode' => { 'times' => 1 },
'data' => {
'errorCode' => 123,
'failCommands' => [ 'aggregate' ]
}
}
end
let(:network_error) do
{
'configureFailPoint' => 'failCommand',
'mode' => { 'times' => 1 },
'data' => {
'errorCode' => 123,
'closeConnection' => true,
'failCommands' => [ 'aggregate' ]
}
}
end
let(:aggregate_event) do
subscriber.succeeded_events.detect do |evt|
evt.command_name == 'aggregate'
end
end
before do
setup_client[collection_name].drop
setup_client[collection_name].create
encrypted_client.subscribe(Mongo::Monitoring::COMMAND, subscriber)
end
it 'tests command error' do
setup_client.use(:admin).command(command_error)
expect do
collection.aggregate([]).to_a
end.to raise_error(Mongo::Error::OperationFailure, /Failing command (?:via|due to) 'failCommand' failpoint/)
expect(subscriber.failed_events.length).to be 1
end
it 'tests network error' do
setup_client.use(:admin).command(network_error)
expect do
collection.aggregate([]).to_a
end.to raise_error(Mongo::Error::SocketError)
expect(subscriber.failed_events.length).to be 1
end
context 'when decrypt error' do
before do
collection.insert_one(encrypted: malformed_ciphertext)
end
it 'fails' do
expect { collection.aggregate([]).to_a }.to raise_error(Mongo::Error::CryptError)
expect(aggregate_event).not_to be_nil
expect(
aggregate_event.reply.dig('cursor', 'firstBatch')&.first&.dig('encrypted')
).to be_a(BSON::Binary)
end
end
context 'when decrypt success' do
before do
collection.insert_one(encrypted: ciphertext)
end
it 'succeeds' do
expect { collection.aggregate([]).to_a }.not_to raise_error
expect(aggregate_event).not_to be_nil
expect(
aggregate_event.reply.dig('cursor', 'firstBatch')&.first&.dig('encrypted')
).to be_a(BSON::Binary)
end
end
end
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