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<!--
- @copyright 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
-
- @author 2018 Christoph Wurst <christoph@winzerhof-wurst.at>
-
- @license GNU AGPL version 3 or any later version
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<template>
<div v-if="step === RegistrationSteps.READY">
<button
v-on:click="start">{{ t('twofactor_u2f', 'Add U2F device') }}
</button>
</div>
<div v-else-if="step === RegistrationSteps.U2F_REGISTRATION"
class="new-u2f-device">
<span class="icon-loading-small u2f-loading"></span>
{{ t('twofactor_u2f', 'Please plug in your U2F device and press the device button to authorize.') }}
</div>
<div v-else-if="step === RegistrationSteps.NAMING"
class="new-u2f-device">
<span class="icon-loading-small u2f-loading"></span>
<input type="text"
:placeholder="t('twofactor_u2f', 'Name your device')"
v-model="name">
<button v-on:click="submit">{{ t('twofactor_u2f', 'Add') }}</button>
</div>
<div v-else-if="step === RegistrationSteps.PERSIST"
class="new-u2f-device">
<span class="icon-loading-small u2f-loading"></span>
{{ t('twofactor_u2f', 'Adding your device …') }}
</div>
<div v-else>
Invalid registration step. This should not have happened.
</div>
</template>
<script>
import confirmPassword from 'nextcloud-password-confirmation'
import u2f from 'u2f-api'
import {
startRegistration,
finishRegistration
} from '../services/RegistrationService'
const logAndPass = (text) => (data) => {
console.debug(text)
return data
}
const RegistrationSteps = Object.freeze({
READY: 1,
U2F_REGISTRATION: 2,
NAMING: 3,
PERSIST: 4,
})
export default {
name: 'AddDeviceDialog',
props: {
httpWarning: Boolean
},
data () {
return {
name: '',
registrationData: {},
RegistrationSteps,
step: RegistrationSteps.READY,
}
},
methods: {
start () {
this.step = RegistrationSteps.U2F_REGISTRATION
return confirmPassword()
.then(this.getRegistrationData)
.then(this.register)
.then(() => this.step = RegistrationSteps.NAMING)
.catch(console.error.bind(this))
},
getRegistrationData () {
return startRegistration()
.catch(err => {
console.error('Error getting u2f registration data from server', err)
throw new Error(t('twofactor_u2f', 'Server error while trying to add U2F device'))
})
},
register ({req, sigs}) {
console.debug('starting u2f registration')
return u2f.register([req], sigs)
.then(data => {
console.debug('u2f registration was successful', data)
if (data.errorCode && data.errorCode !== 0) {
return this.rejectRegistration(data)
}
this.registrationData = data
})
},
rejectRegistration (data) {
// https://developers.yubico.com/U2F/Libraries/Client_error_codes.html
switch (data.errorCode) {
case 4:
// 4 - DEVICE_INELIGIBLE
Promise.reject(new Error(t('twofactor_u2f', 'U2F device is already registered (error code {errorCode})', {
errorCode: data.errorCode
})));
break;
case 5:
// 5 - TIMEOUT
Promise.reject(new Error(t('twofactor_u2f', 'U2F device registration timeout reached (error code {errorCode})', {
errorCode: data.errorCode
})));
break;
default:
// 1 - OTHER_ERROR
// 2 - BAD_REQUEST
// 3 - CONFIGURATION_UNSUPPORTED
Promise.reject(new Error(t('twofactor_u2f', 'U2F device registration failed (error code {errorCode})', {
errorCode: data.errorCode
})));
}
},
submit () {
this.step = RegistrationSteps.PERSIST
return confirmPassword()
.then(logAndPass('confirmed password'))
.then(this.saveRegistrationData)
.then(logAndPass('registration data saved'))
.then(() => this.reset())
.then(logAndPass('app reset'))
.catch(console.error.bind(this))
},
saveRegistrationData () {
const data = this.registrationData
data.name = this.name
return finishRegistration(data)
.then(device => this.$store.commit('addDevice', device))
.then(logAndPass('new device added to store'))
.catch(err => {
console.error('Error persisting u2f registration', err)
throw new Error(t('twofactor_u2f', 'Server error while trying to complete U2F device registration'))
})
},
reset () {
this.name = ''
this.registrationData = {}
this.step = RegistrationSteps.READY
}
}
}
</script>
<style scoped>
.u2f-loading {
display: inline-block;
vertical-align: sub;
margin-left: 2px;
margin-right: 2px;
}
.new-u2f-device {
line-height: 300%;
}
</style>
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