64 lines
1.9 KiB
CoffeeScript
64 lines
1.9 KiB
CoffeeScript
# Authenticate U2F (universal 2nd factor) devices for users to authenticate with.
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#
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# State Flow #1: setup -> in_progress -> authenticated -> POST to server
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# State Flow #2: setup -> in_progress -> error -> setup
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class @U2FAuthenticate
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constructor: (@container, u2fParams) ->
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@appId = u2fParams.app_id
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@challenges = u2fParams.challenges
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@signRequests = u2fParams.sign_requests
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start: () =>
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if U2FUtil.isU2FSupported()
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@renderSetup()
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else
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@renderNotSupported()
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authenticate: () =>
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u2f.sign(@appId, @challenges, @signRequests, (response) =>
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if response.errorCode
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error = new U2FError(response.errorCode)
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@renderError(error);
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else
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@renderAuthenticated(JSON.stringify(response))
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, 10)
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#############
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# Rendering #
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#############
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templates: {
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"notSupported": "#js-authenticate-u2f-not-supported",
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"setup": '#js-authenticate-u2f-setup',
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"inProgress": '#js-authenticate-u2f-in-progress',
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"error": '#js-authenticate-u2f-error',
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"authenticated": '#js-authenticate-u2f-authenticated'
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}
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renderTemplate: (name, params) =>
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templateString = $(@templates[name]).html()
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template = _.template(templateString)
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@container.html(template(params))
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renderSetup: () =>
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@renderTemplate('setup')
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@container.find('#js-login-u2f-device').on('click', @renderInProgress)
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renderInProgress: () =>
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@renderTemplate('inProgress')
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@authenticate()
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renderError: (error) =>
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@renderTemplate('error', {error_message: error.message()})
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@container.find('#js-u2f-try-again').on('click', @renderSetup)
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renderAuthenticated: (deviceResponse) =>
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@renderTemplate('authenticated')
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# Prefer to do this instead of interpolating using Underscore templates
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# because of JSON escaping issues.
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@container.find("#js-device-response").val(deviceResponse)
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renderNotSupported: () =>
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@renderTemplate('notSupported')
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