discourse/spec/lib/webauthn/security_key_registration_s...

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# frozen_string_literal: true
require 'rails_helper'
require 'webauthn'
require 'webauthn/security_key_registration_service'
describe Webauthn::SecurityKeyRegistrationService do
let(:client_data_challenge) { Base64.encode64(challenge) }
let(:client_data_webauthn_type) { 'webauthn.create' }
let(:client_data_origin) { 'http://localhost:3000' }
let(:client_data_param) {
{
challenge: client_data_challenge,
type: client_data_webauthn_type,
origin: client_data_origin
}
}
##
# This attestation object was sourced by manually registering
# a key with `navigator.credentials.create` and capturing the
# results in localhost.
let(:attestation) do
"o2NmbXRkbm9uZWdhdHRTdG10oGhhdXRoRGF0YVjESZYN5YgOjGh0NBcPZHZgW4/krrmihjLHmVzzuoMdl2NBAAAAAAAAAAAAAAAAAAAAAAAAAAAAQFmvayWc8OPJ4jj4sevfxBmvUglDMZrFalyokYrdnqOVvudC0lQialaGQv72eBzJM2Qn1GfJI7lpBgFJMprisLSlAQIDJiABIVgg+23/BZux7LK0/KQgCiQGtdr51ar+vfTtHWpRtN17gOwiWCBstV918mugVBexg/rdZjTs0wN/upHFoyBiAJCaGVD8OA=="
end
let(:params) do
{
clientData: Base64.encode64(client_data_param.to_json),
attestation: attestation,
name: 'My Yubikey'
}
end
##
# The above attestation was generated in localhost; Discourse.current_hostname
# returns test.localhost which we do not want
let(:rp_id) { 'localhost' }
let(:challenge_params) do
{
challenge: challenge,
rp_id: rp_id,
origin: 'http://localhost:3000'
}
end
let(:challenge) { 'f1e04530f34a1b6a08d032d8550e23eb8330be04e4166008f26c0e1b42ad' }
let(:current_user) { Fabricate(:user) }
let(:subject) { described_class.new(current_user, params, challenge_params) }
context 'when the client data webauthn type is not webauthn.create' do
let(:client_data_webauthn_type) { 'webauthn.explode' }
it 'raises an InvalidTypeError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::InvalidTypeError, I18n.t('webauthn.validation.invalid_type_error')
)
end
end
context 'when the decoded challenge does not match the original challenge provided by the server' do
let(:client_data_challenge) { Base64.encode64('invalid challenge') }
it 'raises a ChallengeMismatchError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::ChallengeMismatchError, I18n.t('webauthn.validation.challenge_mismatch_error')
)
end
end
context 'when the origin of the client data does not match the server origin' do
let(:client_data_origin) { 'https://someothersite.com' }
it 'raises a InvalidOriginError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::InvalidOriginError, I18n.t('webauthn.validation.invalid_origin_error')
)
end
end
context 'when the sha256 hash of the relaying party ID does not match the one in attestation.authData' do
let(:rp_id) { 'bad_rp_id' }
it 'raises a InvalidRelyingPartyIdError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::InvalidRelyingPartyIdError, I18n.t('webauthn.validation.invalid_relying_party_id_error')
)
end
end
context 'when the public key algorithm is not supported by the server' do
before do
@original_supported_alg_value = Webauthn::SUPPORTED_ALGORITHMS
silence_warnings do
Webauthn::SUPPORTED_ALGORITHMS = [-999]
end
end
it 'raises a UnsupportedPublicKeyAlgorithmError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::UnsupportedPublicKeyAlgorithmError, I18n.t('webauthn.validation.unsupported_public_key_algorithm_error')
)
end
after do
silence_warnings do
Webauthn::SUPPORTED_ALGORITHMS = @original_supported_alg_value
end
end
end
context 'when the attestation format is not supported' do
before do
@original_supported_alg_value = Webauthn::VALID_ATTESTATION_FORMATS
silence_warnings do
Webauthn::VALID_ATTESTATION_FORMATS = ['err']
end
end
it 'raises a UnsupportedAttestationFormatError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::UnsupportedAttestationFormatError, I18n.t('webauthn.validation.unsupported_attestation_format_error')
)
end
after do
silence_warnings do
Webauthn::VALID_ATTESTATION_FORMATS = @original_supported_alg_value
end
end
end
context 'when the credential id is already in use for any user' do
it 'raises a CredentialIdInUseError' do
# register the key to the current user
security_key = subject.register_second_factor_security_key
# update the key to be on a different user
other_user = Fabricate(:user)
security_key.update(user: other_user)
# error!
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::CredentialIdInUseError, I18n.t('webauthn.validation.credential_id_in_use_error')
)
end
end
context 'when the attestation data is malformed' do
let(:attestation) do
"blah/krrmihjLHmVzzuoMdl2NBAAAAAAAAAAAAAAAAAAAAAAAAAAAAQFmvayWc8OPJ4jj4sevfxBmvUglDMZrFalyokYrdnqOVvudC0lQialaGQv72eBzJM2Qn1GfJI7lpBgFJMprisLSlAQIDJiABIVgg+23/BZux7LK0/KQgCiQGtdr51ar+vfTtHWpRtN17gOwiWCBstV918mugVBexg/rdZjTs0wN/upHFoyBiAJCaGVD8OA=="
end
it 'raises a MalformedAttestationError' do
expect { subject.register_second_factor_security_key }.to raise_error(
Webauthn::MalformedAttestationError, I18n.t('webauthn.validation.malformed_attestation_error')
)
end
end
end