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<!--
- SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
- SPDX-License-Identifier: AGPL-3.0-or-later
-->
<template>
<form v-if="(isHttps || isLocalhost) && supportsWebauthn"
ref="loginForm"
aria-labelledby="password-less-login-form-title"
class="password-less-login-form"
method="post"
name="login"
@submit.prevent="submit">
<h2 id="password-less-login-form-title">
{{ t('core', 'Log in with a device') }}
</h2>
<NcTextField required
:value="user"
:autocomplete="autoCompleteAllowed ? 'on' : 'off'"
:error="!validCredentials"
:label="t('core', 'Login or email')"
:placeholder="t('core', 'Login or email')"
:helper-text="!validCredentials ? t('core', 'Your account is not setup for passwordless login.') : ''"
@update:value="changeUsername" />
<LoginButton v-if="validCredentials"
:loading="loading"
@click="authenticate" />
</form>
<NcEmptyContent v-else-if="!isHttps && !isLocalhost"
:name="t('core', 'Your connection is not secure')"
:description="t('core', 'Passwordless authentication is only available over a secure connection.')">
<template #icon>
<LockOpenIcon />
</template>
</NcEmptyContent>
<NcEmptyContent v-else
:name="t('core', 'Browser not supported')"
:description="t('core', 'Passwordless authentication is not supported in your browser.')">
<template #icon>
<InformationIcon />
</template>
</NcEmptyContent>
</template>
<script type="ts">
import { browserSupportsWebAuthn } from '@simplewebauthn/browser'
import { defineComponent } from 'vue'
import {
NoValidCredentials,
startAuthentication,
finishAuthentication,
} from '../../services/WebAuthnAuthenticationService.ts'
import NcEmptyContent from '@nextcloud/vue/components/NcEmptyContent'
import NcTextField from '@nextcloud/vue/components/NcTextField'
import InformationIcon from 'vue-material-design-icons/InformationOutline.vue'
import LoginButton from './LoginButton.vue'
import LockOpenIcon from 'vue-material-design-icons/LockOpen.vue'
import logger from '../../logger'
export default defineComponent({
name: 'PasswordLessLoginForm',
components: {
LoginButton,
InformationIcon,
LockOpenIcon,
NcEmptyContent,
NcTextField,
},
props: {
username: {
type: String,
default: '',
},
redirectUrl: {
type: [String, Boolean],
default: false,
},
autoCompleteAllowed: {
type: Boolean,
default: true,
},
isHttps: {
type: Boolean,
default: false,
},
isLocalhost: {
type: Boolean,
default: false,
},
},
setup() {
return {
supportsWebauthn: browserSupportsWebAuthn(),
}
},
data() {
return {
user: this.username,
loading: false,
validCredentials: true,
}
},
methods: {
async authenticate() {
// check required fields
if (!this.$refs.loginForm.checkValidity()) {
return
}
console.debug('passwordless login initiated')
try {
const params = await startAuthentication(this.user)
await this.completeAuthentication(params)
} catch (error) {
if (error instanceof NoValidCredentials) {
this.validCredentials = false
return
}
logger.debug(error)
}
},
changeUsername(username) {
this.user = username
this.$emit('update:username', this.user)
},
completeAuthentication(challenge) {
const redirectUrl = this.redirectUrl
return finishAuthentication(challenge)
.then(({ defaultRedirectUrl }) => {
console.debug('Logged in redirecting')
// Redirect url might be false so || should be used instead of ??.
window.location.href = redirectUrl || defaultRedirectUrl
})
.catch(error => {
console.debug('GOT AN ERROR WHILE SUBMITTING CHALLENGE!')
console.debug(error) // Example: timeout, interaction refused...
})
},
submit() {
// noop
},
},
})
</script>
<style lang="scss" scoped>
.password-less-login-form {
display: flex;
flex-direction: column;
gap: 0.5rem;
margin: 0;
}
</style>
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