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<template>
<div style="max-width: 350px">
<n-form-item label="Secret" v-bind="secretValidationAttrs">
<n-input v-model:value="secret" placeholder="Paste your TOTP secret...">
<template #suffix>
<n-tooltip trigger="hover">
<template #trigger>
<c-button circle variant="text" @click="refreshSecret">
<n-icon :component="Refresh" />
</c-button>
</template>
Generate secret token
</n-tooltip>
</template>
</n-input>
</n-form-item>
<div>
<token-display :tokens="tokens" style="margin-top: 2px" />
<n-progress :percentage="(100 * interval) / 30" :color="theme.primaryColor" :show-indicator="false" />
<div style="text-align: center">Next in {{ String(Math.floor(30 - interval)).padStart(2, '0') }}s</div>
</div>
<n-space justify="center" vertical align="center" style="margin-top: 10px">
<n-image :src="qrcode"></n-image>
<c-button :href="keyUri" target="_blank">Open Key URI in new tab</c-button>
</n-space>
</div>
<div style="max-width: 350px">
<n-form-item label="Secret in hexadecimal">
<input-copyable :value="base32toHex(secret)" readonly placeholder="Secret in hex will be displayed here" />
</n-form-item>
<n-form-item label="Epoch">
<input-copyable
:value="Math.floor(now / 1000).toString()"
readonly
placeholder="Epoch in sec will be displayed here"
/>
</n-form-item>
<n-form-item label="Iteration" :show-feedback="false">
<n-input-group>
<n-input-group-label style="width: 110px">Count:</n-input-group-label>
<input-copyable
:value="String(getCounterFromTime({ now, timeStep: 30 }))"
readonly
placeholder="Iteration count will be displayed here"
/>
</n-input-group>
</n-form-item>
<n-form-item label="Iteration" :show-label="false" style="margin-top: 5px">
<n-input-group>
<n-input-group-label style="width: 110px">Padded hex:</n-input-group-label>
<input-copyable
:value="getCounterFromTime({ now, timeStep: 30 }).toString(16).padStart(16, '0')"
readonly
placeholder="Iteration count in hex will be displayed here"
/>
</n-input-group>
</n-form-item>
</div>
</template>
<script setup lang="ts">
import { computed, ref } from 'vue';
import { Refresh } from '@vicons/tabler';
import { useTimestamp } from '@vueuse/core';
import { useThemeVars } from 'naive-ui';
import { useStyleStore } from '@/stores/style.store';
import InputCopyable from '@/components/InputCopyable.vue';
import { useValidation } from '@/composable/validation';
import { computedRefreshable } from '@/composable/computedRefreshable';
import { generateTOTP, buildKeyUri, generateSecret, base32toHex, getCounterFromTime } from './otp.service';
import { useQRCode } from '../qr-code-generator/useQRCode';
import TokenDisplay from './token-display.vue';
const now = useTimestamp();
const interval = computed(() => (now.value / 1000) % 30);
const theme = useThemeVars();
const styleStore = useStyleStore();
const secret = ref(generateSecret());
function refreshSecret() {
secret.value = generateSecret();
}
const [tokens] = computedRefreshable(
() => ({
previous: generateTOTP({ key: secret.value, now: now.value - 30000 }),
current: generateTOTP({ key: secret.value, now: now.value }),
next: generateTOTP({ key: secret.value, now: now.value + 30000 }),
}),
{ throttle: 500 },
);
const keyUri = computed(() => buildKeyUri({ secret: secret.value }));
const { qrcode } = useQRCode({
text: keyUri,
color: {
background: computed(() => (styleStore.isDarkTheme ? '#ffffff' : '#00000000')),
foreground: '#000000',
},
options: { width: 210 },
});
const { attrs: secretValidationAttrs } = useValidation({
source: secret,
rules: [
{
message: 'Secret should be a base32 string',
validator: (value) => value.toUpperCase().match(/^[A-Z234567]+$/),
},
{
message: 'Please set a secret',
validator: (value) => value !== '',
},
],
});
</script>
<style lang="less" scoped>
.n-progress {
margin-top: 10px;
::v-deep(.n-progress-graph-line-fill) {
transition-duration: 0.05s !important;
}
}
.token {
text-align: center;
&.token-current {
font-size: 20px;
}
}
</style>
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