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require 'spec_helper'
describe TokenAuthenticatableStrategies::Encrypted do
let(:model) { double(:model) }
let(:instance) { double(:instance) }
let(:encrypted) do
Gitlab::CryptoHelper.aes256_gcm_encrypt('my-value')
end
subject do
described_class.new(model, 'some_field', options)
end
describe '.new' do
context 'when fallback and migration strategies are set' do
let(:options) { { fallback: true, migrating: true } }
it 'raises an error' do
expect { subject }.to raise_error ArgumentError, /not compatible/
end
end
end
describe '#find_token_authenticatable' do
context 'when using fallback strategy' do
let(:options) { { fallback: true } }
it 'finds the encrypted resource by cleartext' do
allow(model).to receive(:find_by)
.with('some_field_encrypted' => encrypted)
.and_return('encrypted resource')
expect(subject.find_token_authenticatable('my-value'))
.to eq 'encrypted resource'
end
it 'uses insecure strategy when encrypted token cannot be found' do
allow(subject.send(:insecure_strategy))
.to receive(:find_token_authenticatable)
.and_return('plaintext resource')
allow(model).to receive(:find_by)
.with('some_field_encrypted' => encrypted)
.and_return(nil)
expect(subject.find_token_authenticatable('my-value'))
.to eq 'plaintext resource'
end
end
context 'when using migration strategy' do
let(:options) { { migrating: true } }
it 'finds the cleartext resource by cleartext' do
allow(model).to receive(:find_by)
.with('some_field' => 'my-value')
.and_return('cleartext resource')
expect(subject.find_token_authenticatable('my-value'))
.to eq 'cleartext resource'
end
it 'returns nil if resource cannot be found' do
allow(model).to receive(:find_by)
.with('some_field' => 'my-value')
.and_return(nil)
expect(subject.find_token_authenticatable('my-value'))
.to be_nil
end
end
end
describe '#get_token' do
context 'when using fallback strategy' do
let(:options) { { fallback: true } }
it 'returns decrypted token when an encrypted token is present' do
allow(instance).to receive(:read_attribute)
.with('some_field_encrypted')
.and_return(encrypted)
expect(subject.get_token(instance)).to eq 'my-value'
end
it 'returns the plaintext token when encrypted token is not present' do
allow(instance).to receive(:read_attribute)
.with('some_field_encrypted')
.and_return(nil)
allow(instance).to receive(:read_attribute)
.with('some_field')
.and_return('cleartext value')
expect(subject.get_token(instance)).to eq 'cleartext value'
end
end
context 'when using migration strategy' do
let(:options) { { migrating: true } }
it 'returns cleartext token when an encrypted token is present' do
allow(instance).to receive(:read_attribute)
.with('some_field_encrypted')
.and_return(encrypted)
allow(instance).to receive(:read_attribute)
.with('some_field')
.and_return('my-cleartext-value')
expect(subject.get_token(instance)).to eq 'my-cleartext-value'
end
it 'returns the cleartext token when encrypted token is not present' do
allow(instance).to receive(:read_attribute)
.with('some_field_encrypted')
.and_return(nil)
allow(instance).to receive(:read_attribute)
.with('some_field')
.and_return('cleartext value')
expect(subject.get_token(instance)).to eq 'cleartext value'
end
end
end
describe '#set_token' do
context 'when using fallback strategy' do
let(:options) { { fallback: true } }
it 'writes encrypted token and removes plaintext token and returns it' do
expect(instance).to receive(:[]=)
.with('some_field_encrypted', encrypted)
expect(instance).to receive(:[]=)
.with('some_field', nil)
expect(subject.set_token(instance, 'my-value')).to eq 'my-value'
end
end
context 'when using migration strategy' do
let(:options) { { migrating: true } }
it 'writes encrypted token and writes plaintext token' do
expect(instance).to receive(:[]=)
.with('some_field_encrypted', encrypted)
expect(instance).to receive(:[]=)
.with('some_field', 'my-value')
expect(subject.set_token(instance, 'my-value')).to eq 'my-value'
end
end
end
end
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