75 lines
2.4 KiB
Ruby
75 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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require 'webauthn/fake_client'
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class FakeWebauthnDevice
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attr_reader :name
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def initialize(page, name, device = nil)
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@page = page
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@name = name
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@webauthn_device = device
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end
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def respond_to_webauthn_registration
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app_id = @page.evaluate_script('gon.webauthn.app_id')
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challenge = @page.evaluate_script('gon.webauthn.options.challenge')
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json_response = webauthn_device(app_id).create(challenge: challenge).to_json # rubocop:disable Rails/SaveBang
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@page.execute_script <<~JS
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var result = #{json_response};
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result.getClientExtensionResults = () => ({});
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navigator.credentials.create = function(_) {
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return Promise.resolve(result);
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};
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JS
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end
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def respond_to_webauthn_authentication
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app_id = @page.evaluate_script('JSON.parse(gon.webauthn.options).extensions.appid')
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challenge = @page.evaluate_script('JSON.parse(gon.webauthn.options).challenge')
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begin
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json_response = webauthn_device(app_id).get(challenge: challenge).to_json
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rescue RuntimeError
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# A runtime error is raised from fake webauthn if no credentials have been registered yet.
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# To be able to test non registered devices, credentials are created ad-hoc
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webauthn_device(app_id).create # rubocop:disable Rails/SaveBang
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json_response = webauthn_device(app_id).get(challenge: challenge).to_json
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end
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@page.execute_script <<~JS
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var result = #{json_response};
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result.getClientExtensionResults = () => ({});
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navigator.credentials.get = function(_) {
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return Promise.resolve(result);
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};
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JS
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@page.click_link('Try again?', href: false)
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end
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def fake_webauthn_authentication
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@page.execute_script <<~JS
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const mockResponse = {
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type: 'public-key',
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id: '',
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rawId: '',
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response: { clientDataJSON: '', authenticatorData: '', signature: '', userHandle: '' },
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getClientExtensionResults: () => {},
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};
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window.gl.resolveWebauthn(mockResponse);
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JS
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end
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def add_credential(app_id, credential_id, credential_key)
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credentials = { URI.parse(app_id).host => { credential_id => { credential_key: credential_key, sign_count: 0 } } }
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webauthn_device(app_id).send(:authenticator).instance_variable_set(:@credentials, credentials)
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end
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private
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def webauthn_device(app_id)
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@webauthn_device ||= WebAuthn::FakeClient.new(app_id)
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end
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end
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