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# frozen_string_literal: true
# rubocop:todo all
require 'lite_spec_helper'
require 'support/shared/scram_conversation'
describe Mongo::Auth::Scram256::Conversation do
# Test uses global assertions
clean_slate_for_all_if_possible
include_context 'scram conversation context'
let(:conversation) do
described_class.new(user, double('connection'))
end
it_behaves_like 'scram conversation'
let(:user) do
Mongo::Auth::User.new(
database: Mongo::Database::ADMIN,
user: 'user',
password: 'pencil',
auth_mech: :scram256,
)
end
let(:mechanism) do
:scram256
end
describe '#start' do
let(:msg) do
conversation.start(connection)
end
before do
expect(SecureRandom).to receive(:base64).once.and_return('rOprNGfwEbeRWgbNEkqO')
end
let(:command) do
msg.payload['command']
end
it 'sets the sasl start flag' do
expect(command[:saslStart]).to eq(1)
end
it 'sets the auto authorize flag' do
expect(command[:autoAuthorize]).to eq(1)
end
it 'sets the mechanism' do
expect(command[:mechanism]).to eq('SCRAM-SHA-256')
end
it 'sets the payload' do
expect(command[:payload].data).to eq('n,,n=user,r=rOprNGfwEbeRWgbNEkqO')
end
end
describe '#continue' do
include_context 'scram continue and finalize replies'
before do
expect(SecureRandom).to receive(:base64).once.and_return('rOprNGfwEbeRWgbNEkqO')
end
context 'when the server rnonce starts with the nonce' do
let(:continue_payload) do
BSON::Binary.new(
'r=rOprNGfwEbeRWgbNEkqO%hvYDpWUa2RaTCAfuxFIlj)hNlF$k0,s=W22ZaJ0SNY7soEsUEjb6gQ==,i=4096'
)
end
let(:msg) do
conversation.continue(continue_document, connection)
end
let(:command) do
msg.payload['command']
end
it 'sets the conversation id' do
expect(command[:conversationId]).to eq(1)
end
it 'sets the payload' do
expect(command[:payload].data).to eq(
'c=biws,r=rOprNGfwEbeRWgbNEkqO%hvYDpWUa2RaTCAfuxFIlj)hNlF$k0,p=dHzbZapWIk4jUhN+Ute9ytag9zjfMHgsqmmiz7AndVQ='
)
end
it 'sets the continue flag' do
expect(command[:saslContinue]).to eq(1)
end
end
context 'when the server nonce does not start with the nonce' do
let(:continue_payload) do
BSON::Binary.new(
'r=sOprNGfwEbeRWgbNEkqO%hvYDpWUa2RaTCAfuxFIlj)hNlF$k0,s=W22ZaJ0SNY7soEsUEjb6gQ==,i=4096'
)
end
it 'raises an error' do
expect {
conversation.continue(continue_document, connection)
}.to raise_error(Mongo::Error::InvalidNonce)
end
end
end
describe '#finalize' do
include_context 'scram continue and finalize replies'
let(:continue_payload) do
BSON::Binary.new(
'r=rOprNGfwEbeRWgbNEkqO%hvYDpWUa2RaTCAfuxFIlj)hNlF$k0,s=W22ZaJ0SNY7soEsUEjb6gQ==,i=4096'
)
end
before do
expect(SecureRandom).to receive(:base64).once.and_return('rOprNGfwEbeRWgbNEkqO')
end
context 'when the verifier matches the server signature' do
let(:finalize_payload) do
BSON::Binary.new(' v=6rriTRBi23WpRR/wtup+mMhUZUn/dB5nLTJRsjl95G4=')
end
let(:msg) do
conversation.continue(continue_document, connection)
conversation.process_continue_response(finalize_document)
conversation.finalize(connection)
end
let(:command) do
msg.payload['command']
end
it 'sets the conversation id' do
expect(command[:conversationId]).to eq(1)
end
it 'sets the empty payload' do
expect(command[:payload].data).to eq('')
end
it 'sets the continue flag' do
expect(command[:saslContinue]).to eq(1)
end
end
context 'when the verifier does not match the server signature' do
let(:finalize_payload) do
BSON::Binary.new('v=7rriTRBi23WpRR/wtup+mMhUZUn/dB5nLTJRsjl95G4=')
end
it 'raises an error' do
expect do
conversation.continue(continue_document, connection)
conversation.process_continue_response(finalize_document)
conversation.finalize(connection)
end.to raise_error(Mongo::Error::InvalidSignature)
end
end
end
end
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