restructuring (#56)

* restructuring * pin svelte kit version & parallel execution * update svelte kit * correct test result assets * add timeout * correct locale path * simplify crypto * fix for #58 * add verbosity flag * disable flaky test
2025-09-07 09:50:39 +00:00 · 2022-10-07 21:28:25 +02:00
parent 2d573edcac
commit cacb808117
84 changed files with 1757 additions and 1746 deletions
--- a/packages/frontend/src/lib/adapters.ts
+++ b/packages/frontend/src/lib/adapters.ts
@@ -0,0 +1,61 @@
+import type { EncryptedFileDTO, FileDTO } from './api'
+import { Crypto } from './crypto'
+
+abstract class CryptAdapter<T> {
+	abstract encrypt(plaintext: T, key: CryptoKey): Promise<string>
+	abstract decrypt(ciphertext: string, key: CryptoKey): Promise<T>
+}
+
+class CryptTextAdapter implements CryptAdapter<string> {
+	async encrypt(plaintext: string, key: CryptoKey) {
+		return await Crypto.encrypt(new TextEncoder().encode(plaintext), key)
+	}
+	async decrypt(ciphertext: string, key: CryptoKey) {
+		const plaintext = await Crypto.decrypt(ciphertext, key)
+		return new TextDecoder().decode(plaintext)
+	}
+}
+
+class CryptBlobAdapter implements CryptAdapter<Blob> {
+	async encrypt(plaintext: Blob, key: CryptoKey) {
+		return await Crypto.encrypt(await plaintext.arrayBuffer(), key)
+	}
+
+	async decrypt(ciphertext: string, key: CryptoKey) {
+		const plaintext = await Crypto.decrypt(ciphertext, key)
+		return new Blob([plaintext], { type: 'application/octet-stream' })
+	}
+}
+
+class CryptFilesAdapter implements CryptAdapter<FileDTO[]> {
+	async encrypt(plaintext: FileDTO[], key: CryptoKey) {
+		const adapter = new CryptBlobAdapter()
+		const data: Promise<EncryptedFileDTO>[] = plaintext.map(async (file) => ({
+			name: file.name,
+			size: file.size,
+			type: file.type,
+			contents: await adapter.encrypt(file.contents, key),
+		}))
+		return JSON.stringify(await Promise.all(data))
+	}
+
+	async decrypt(ciphertext: string, key: CryptoKey) {
+		const adapter = new CryptBlobAdapter()
+		const data: EncryptedFileDTO[] = JSON.parse(ciphertext)
+		const files: FileDTO[] = await Promise.all(
+			data.map(async (file) => ({
+				name: file.name,
+				size: file.size,
+				type: file.type,
+				contents: await adapter.decrypt(file.contents, key),
+			}))
+		)
+		return files
+	}
+}
+
+export const Adapters = {
+	Text: new CryptTextAdapter(),
+	Blob: new CryptBlobAdapter(),
+	Files: new CryptFilesAdapter(),
+}
--- a/packages/frontend/src/lib/api.ts
+++ b/packages/frontend/src/lib/api.ts
@@ -0,0 +1,78 @@
+export type NoteMeta = { type: 'text' | 'file' }
+
+export type Note = {
+	contents: string
+	meta: NoteMeta
+	views?: number
+	expiration?: number
+}
+export type NoteInfo = {}
+export type NotePublic = Pick<Note, 'contents' | 'meta'>
+export type NoteCreate = Omit<Note, 'meta'> & { meta: string }
+
+export type FileDTO = Pick<File, 'name' | 'size' | 'type'> & {
+	contents: Blob
+}
+
+export type EncryptedFileDTO = Omit<FileDTO, 'contents'> & {
+	contents: string
+}
+
+type CallOptions = {
+	url: string
+	method: string
+	body?: any
+}
+
+export class PayloadToLargeError extends Error {}
+
+export async function call(options: CallOptions) {
+	const response = await fetch('/api/' + options.url, {
+		method: options.method,
+		body: options.body === undefined ? undefined : JSON.stringify(options.body),
+		mode: 'cors',
+		headers: {
+			'Content-Type': 'application/json',
+		},
+	})
+
+	if (!response.ok) {
+		if (response.status === 413) throw new PayloadToLargeError()
+		else throw new Error('API call failed')
+	}
+	return response.json()
+}
+
+export async function create(note: Note) {
+	const { meta, ...rest } = note
+	const body: NoteCreate = {
+		...rest,
+		meta: JSON.stringify(meta),
+	}
+	const data = await call({
+		url: 'notes/',
+		method: 'post',
+		body,
+	})
+	return data as { id: string }
+}
+
+export async function get(id: string): Promise<NotePublic> {
+	const data = await call({
+		url: `notes/${id}`,
+		method: 'delete',
+	})
+	const { contents, meta } = data
+	return {
+		contents,
+		meta: JSON.parse(meta) as NoteMeta,
+	}
+}
+
+export async function info(id: string): Promise<NoteInfo> {
+	const data = await call({
+		url: `notes/${id}`,
+		method: 'get',
+	})
+	return data
+}
--- a/packages/frontend/src/lib/crypto.ts
+++ b/packages/frontend/src/lib/crypto.ts
@@ -0,0 +1,89 @@
+export class Hex {
+	static encode(buffer: ArrayBuffer): string {
+		let s = ''
+		for (const i of new Uint8Array(buffer)) {
+			s += i.toString(16).padStart(2, '0')
+		}
+		return s
+	}
+
+	static decode(s: string): ArrayBuffer {
+		const size = s.length / 2
+		const buffer = new Uint8Array(size)
+		for (let i = 0; i < size; i++) {
+			const idx = i * 2
+			const segment = s.slice(idx, idx + 2)
+			buffer[i] = parseInt(segment, 16)
+		}
+		return buffer
+	}
+}
+
+export class ArrayBufferUtils {
+	static async toString(buffer: ArrayBuffer): Promise<string> {
+		const reader = new window.FileReader()
+		reader.readAsDataURL(new Blob([buffer]))
+		return new Promise((resolve) => {
+			reader.onloadend = () => resolve(reader.result as string)
+		})
+	}
+
+	static async fromString(s: string): Promise<ArrayBuffer> {
+		return fetch(s)
+			.then((r) => r.blob())
+			.then((b) => b.arrayBuffer())
+	}
+}
+
+export class Keys {
+	public static async generateKey(size: 128 | 192 | 256 = 256): Promise<CryptoKey> {
+		const key = await window.crypto.subtle.generateKey(
+			{
+				name: 'AES-GCM',
+				length: size,
+			},
+			true,
+			['encrypt', 'decrypt']
+		)
+		return key
+	}
+
+	public static async export(key: CryptoKey): Promise<string> {
+		return Hex.encode(await window.crypto.subtle.exportKey('raw', key))
+	}
+
+	public static async import(key: string): Promise<CryptoKey> {
+		return window.crypto.subtle.importKey('raw', Hex.decode(key), { name: 'AES-GCM' }, true, [
+			'encrypt',
+			'decrypt',
+		])
+	}
+}
+
+export class Crypto {
+	private static ALG = 'AES-GCM'
+	private static DELIMITER = ':::'
+
+	public static getRandomBytes(size: number): Uint8Array {
+		return window.crypto.getRandomValues(new Uint8Array(size))
+	}
+
+	public static async encrypt(plaintext: ArrayBuffer, key: CryptoKey): Promise<string> {
+		const iv = this.getRandomBytes(12) // AES-GCM needs a 96bit IV
+		const encrypted: ArrayBuffer = await window.crypto.subtle.encrypt(
+			{ name: this.ALG, iv },
+			key,
+			plaintext
+		)
+		const data = [Hex.encode(iv), await ArrayBufferUtils.toString(encrypted)].join(this.DELIMITER)
+		return data
+	}
+
+	public static async decrypt(ciphertext: string, key: CryptoKey): Promise<ArrayBuffer> {
+		const splitted = ciphertext.split(this.DELIMITER)
+		const iv = Hex.decode(splitted[0])
+		const encrypted = await ArrayBufferUtils.fromString(splitted[1])
+		const plaintext = await window.crypto.subtle.decrypt({ name: this.ALG, iv }, key, encrypted)
+		return plaintext
+	}
+}
--- a/packages/frontend/src/lib/icons/IconContrast.svelte
+++ b/packages/frontend/src/lib/icons/IconContrast.svelte
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="ionicon" viewBox="0 0 512 512"
+	><title>Contrast</title><path
+		d="M256 32C132.29 32 32 132.29 32 256s100.29 224 224 224 224-100.29 224-224S379.71 32 256 32zM128.72 383.28A180 180 0 01256 76v360a178.82 178.82 0 01-127.28-52.72z"
+	/></svg
+>
--- a/packages/frontend/src/lib/icons/IconCopy.svelte
+++ b/packages/frontend/src/lib/icons/IconCopy.svelte
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="ionicon" viewBox="0 0 512 512"
+	><title>Copy</title><path
+		d="M456 480H136a24 24 0 01-24-24V128a16 16 0 0116-16h328a24 24 0 0124 24v320a24 24 0 01-24 24z"
+	/><path
+		d="M112 80h288V56a24 24 0 00-24-24H60a28 28 0 00-28 28v316a24 24 0 0024 24h24V112a32 32 0 0132-32z"
+	/></svg
+>
--- a/packages/frontend/src/lib/icons/IconDice.svelte
+++ b/packages/frontend/src/lib/icons/IconDice.svelte
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="ionicon" viewBox="0 0 512 512"
+	><title>Dice</title><path
+		d="M48 366.92L240 480V284L48 170zM192 288c8.84 0 16 10.75 16 24s-7.16 24-16 24-16-10.75-16-24 7.16-24 16-24zm-96 32c8.84 0 16 10.75 16 24s-7.16 24-16 24-16-10.75-16-24 7.16-24 16-24zM272 284v196l192-113.08V170zm48 140c-8.84 0-16-10.75-16-24s7.16-24 16-24 16 10.75 16 24-7.16 24-16 24zm0-88c-8.84 0-16-10.75-16-24s7.16-24 16-24 16 10.75 16 24-7.16 24-16 24zm96 32c-8.84 0-16-10.75-16-24s7.16-24 16-24 16 10.75 16 24-7.16 24-16 24zm0-88c-8.84 0-16-10.75-16-24s7.16-24 16-24 16 10.75 16 24-7.16 24-16 24zm32 77.64zM256 32L64 144l192 112 192-112zm0 120c-13.25 0-24-7.16-24-16s10.75-16 24-16 24 7.16 24 16-10.75 16-24 16z"
+	/></svg
+>
--- a/packages/frontend/src/lib/icons/IconEye.svelte
+++ b/packages/frontend/src/lib/icons/IconEye.svelte
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="ionicon" viewBox="0 0 512 512"
+	><title>Eye</title><circle cx="256" cy="256" r="64" /><path
+		d="M394.82 141.18C351.1 111.2 304.31 96 255.76 96c-43.69 0-86.28 13-126.59 38.48C88.52 160.23 48.67 207 16 256c26.42 44 62.56 89.24 100.2 115.18C159.38 400.92 206.33 416 255.76 416c49 0 95.85-15.07 139.3-44.79C433.31 345 469.71 299.82 496 256c-26.38-43.43-62.9-88.56-101.18-114.82zM256 352a96 96 0 1196-96 96.11 96.11 0 01-96 96z"
+	/></svg
+>
--- a/packages/frontend/src/lib/icons/IconEyeOff.svelte
+++ b/packages/frontend/src/lib/icons/IconEyeOff.svelte
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" class="ionicon" viewBox="0 0 512 512"
+	><title>Eye Off</title><path
+		d="M63.998 86.004l21.998-21.998L448 426.01l-21.998 21.998zM259.34 192.09l60.57 60.57a64.07 64.07 0 00-60.57-60.57zM252.66 319.91l-60.57-60.57a64.07 64.07 0 0060.57 60.57z"
+	/><path
+		d="M256 352a96 96 0 01-92.6-121.34l-69.07-69.08C66.12 187.42 39.24 221.14 16 256c26.42 44 62.56 89.24 100.2 115.18C159.38 400.92 206.33 416 255.76 416A233.47 233.47 0 00335 402.2l-53.61-53.6A95.84 95.84 0 01256 352zM256 160a96 96 0 0192.6 121.34L419.26 352c29.15-26.25 56.07-61.56 76.74-96-26.38-43.43-62.9-88.56-101.18-114.82C351.1 111.2 304.31 96 255.76 96a222.92 222.92 0 00-78.21 14.29l53.11 53.11A95.84 95.84 0 01256 160z"
+	/></svg
+>
--- a/packages/frontend/src/lib/stores/status.ts
+++ b/packages/frontend/src/lib/stores/status.ts
@@ -0,0 +1,22 @@
+import { call } from '$lib/api'
+import { writable } from 'svelte/store'
+
+export type Status = {
+	version: string
+	max_size: number
+	max_views: number
+	max_expiration: number
+	allow_advanced: boolean
+	theme_image: string
+	theme_text: string
+}
+
+export const status = writable<null | Status>(null)
+
+export async function init() {
+	const data = await call({
+		url: 'status/',
+		method: 'get',
+	})
+	status.set(data)
+}
--- a/packages/frontend/src/lib/toast.ts
+++ b/packages/frontend/src/lib/toast.ts
@@ -0,0 +1,37 @@
+import { toast, type SvelteToastOptions } from '@zerodevx/svelte-toast'
+
+export enum NotifyType {
+	Success = 'success',
+	Error = 'error',
+}
+
+const themeMapping: Record<NotifyType, SvelteToastOptions['theme']> = {
+	[NotifyType.Success]: {
+		'--toastBackground': 'var(--ui-clr-primary)',
+		'--toastBarBackground': 'var(--ui-clr-primary-alt)',
+	},
+	[NotifyType.Error]: {
+		'--toastBackground': 'var(--ui-clr-error)',
+		'--toastBarBackground': 'var(--ui-clr-error-alt)',
+	},
+}
+
+function notifyFN(message: string, type: NotifyType = NotifyType.Success) {
+	const options: SvelteToastOptions = {
+		duration: 5_000,
+		theme: {
+			...themeMapping[type],
+			'--toastBarHeight': '0.25rem',
+			'--toastMinHeight': 'auto',
+			'--toastMsgPadding': '0.5rem',
+			'--toastBorderRadius': '0',
+		},
+	}
+
+	toast.push(message, options)
+}
+
+export const notify = {
+	success: (message: string) => notifyFN(message, NotifyType.Success),
+	error: (message: string) => notifyFN(message, NotifyType.Error),
+}
--- a/packages/frontend/src/lib/ui/AboutParagraph.svelte
+++ b/packages/frontend/src/lib/ui/AboutParagraph.svelte
@@ -0,0 +1,19 @@
+<script lang="ts">
+	export let title: string
+</script>
+
+<p>
+	<b>▶ {title}</b>
+	<slot />
+</p>
+
+<style>
+	b {
+		display: block;
+		margin-bottom: 0.25rem;
+	}
+
+	p > :global(span) {
+		padding-left: 1.25em;
+	}
+</style>
--- a/packages/frontend/src/lib/ui/AdvancedParameters.svelte
+++ b/packages/frontend/src/lib/ui/AdvancedParameters.svelte
@@ -0,0 +1,54 @@
+<script lang="ts">
+	import { t } from 'svelte-intl-precompile'
+
+	import type { Note } from '$lib/api'
+	import { status } from '$lib/stores/status'
+	import Switch from '$lib/ui/Switch.svelte'
+	import TextInput from '$lib/ui/TextInput.svelte'
+
+	export let note: Note
+	export let timeExpiration = false
+</script>
+
+<div class="fields">
+	<TextInput
+		data-testid="field-views"
+		type="number"
+		label={$t('common.views', { values: { n: 0 } })}
+		bind:value={note.views}
+		disabled={timeExpiration}
+		max={$status?.max_views}
+		validate={(v) =>
+			($status && v <= $status?.max_views) ||
+			$t('home.errors.max', { values: { n: $status?.max_views ?? 0 } })}
+	/>
+	<div class="middle-switch">
+		<Switch
+			data-testid="switch-advanced-toggle"
+			label={$t('common.mode')}
+			bind:value={timeExpiration}
+			color={false}
+		/>
+	</div>
+	<TextInput
+		data-testid="field-expiration"
+		type="number"
+		label={$t('common.minutes', { values: { n: 0 } })}
+		bind:value={note.expiration}
+		disabled={!timeExpiration}
+		max={$status?.max_expiration}
+		validate={(v) =>
+			($status && v < $status?.max_expiration) ||
+			$t('home.errors.max', { values: { n: $status?.max_expiration ?? 0 } })}
+	/>
+</div>
+
+<style>
+	.middle-switch {
+		margin: 0 1rem;
+	}
+
+	.fields {
+		display: flex;
+	}
+</style>
--- a/packages/frontend/src/lib/ui/Button.svelte
+++ b/packages/frontend/src/lib/ui/Button.svelte
@@ -0,0 +1,18 @@
+<button {...$$restProps} on:click><slot /></button>
+
+<style>
+	button {
+		width: auto;
+		display: inline-block;
+		padding: 0.25rem 2.5rem;
+		border: 2px solid var(--ui-bg-2);
+		background: var(--ui-bg-1);
+		outline: none;
+		cursor: pointer;
+		height: 2.5rem;
+	}
+
+	button:hover {
+		border-color: var(--ui-clr-primary);
+	}
+</style>
--- a/packages/frontend/src/lib/ui/FileUpload.svelte
+++ b/packages/frontend/src/lib/ui/FileUpload.svelte
@@ -0,0 +1,78 @@
+<script lang="ts">
+	import { t } from 'svelte-intl-precompile'
+
+	import type { FileDTO } from '$lib/api'
+	import Button from '$lib/ui/Button.svelte'
+	import MaxSize from '$lib/ui/MaxSize.svelte'
+
+	export let label: string = ''
+	export let files: FileDTO[] = []
+
+	function fileToDTO(file: File): FileDTO {
+		return {
+			name: file.name,
+			size: file.size,
+			type: file.type,
+			contents: file,
+		}
+	}
+
+	async function onInput(e: Event) {
+		const input = e.target as HTMLInputElement
+		if (input?.files?.length) {
+			files = [...files, ...Array.from(input.files).map(fileToDTO)]
+		}
+	}
+
+	function clear(e: Event) {
+		e.preventDefault()
+		files = []
+	}
+</script>
+
+<label>
+	<small>
+		{label}
+	</small>
+	<input {...$$restProps} type="file" on:change={onInput} multiple />
+	<div class="box">
+		{#if files.length}
+			<div>
+				<b>{$t('file_upload.selected_files')}</b>
+				{#each files as file}
+					<div class="file">
+						{file.name}
+					</div>
+				{/each}
+				<div class="spacer" />
+				<Button on:click={clear}>Clear</Button>
+			</div>
+		{:else}
+			<div>
+				<b>{$t('file_upload.no_files_selected')}</b>
+				<br />
+				<small>
+					{$t('common.max')}: <MaxSize />
+				</small>
+			</div>
+		{/if}
+	</div>
+</label>
+
+<style>
+	input {
+		display: none;
+	}
+
+	.box {
+		display: flex;
+		flex-direction: column;
+		justify-content: center;
+		align-items: center;
+		cursor: pointer;
+	}
+
+	.spacer {
+		margin-top: 1rem;
+	}
+</style>
--- a/packages/frontend/src/lib/ui/Icon.svelte
+++ b/packages/frontend/src/lib/ui/Icon.svelte
@@ -0,0 +1,37 @@
+<script lang="ts" context="module">
+	import IconContrast from '$lib/icons/IconContrast.svelte'
+	import IconCopy from '$lib/icons/IconCopy.svelte'
+	import IconDice from '$lib/icons/IconDice.svelte'
+	import IconEye from '$lib/icons/IconEye.svelte'
+	import IconEyeOff from '$lib/icons/IconEyeOff.svelte'
+
+	const map = {
+		contrast: IconContrast,
+		copy: IconCopy,
+		dice: IconDice,
+		eye: IconEye,
+		'eye-off': IconEyeOff,
+	}
+</script>
+
+<script lang="ts">
+	export let icon: keyof typeof map
+</script>
+
+<div on:click {...$$restProps}>
+	{#if map[icon]}
+		<svelte:component this={map[icon]} />
+	{/if}
+</div>
+
+<style>
+	div {
+		display: inline-block;
+		contain: strict;
+		box-sizing: content-box;
+	}
+	div > :global(svg) {
+		display: block;
+		fill: currentColor;
+	}
+</style>
--- a/packages/frontend/src/lib/ui/Loader.svelte
+++ b/packages/frontend/src/lib/ui/Loader.svelte
@@ -0,0 +1,41 @@
+<svg
+	version="1.1"
+	xmlns="http://www.w3.org/2000/svg"
+	xmlns:xlink="http://www.w3.org/1999/xlink"
+	viewBox="0 0 100 100"
+	xml:space="preserve"
+>
+	<rect fill="none" stroke="currentColor" stroke-width="4" x="25" y="25" width="50" height="50">
+		<animateTransform
+			attributeName="transform"
+			dur="0.5s"
+			from="0 50 50"
+			to="180 50 50"
+			type="rotate"
+			id="strokeBox"
+			attributeType="XML"
+			begin="rectBox.end"
+		/>
+	</rect>
+	<rect x="27" y="27" fill="currentColor" width="46" height="50">
+		<animate
+			attributeName="height"
+			dur="1.3s"
+			attributeType="XML"
+			from="50"
+			to="0"
+			id="rectBox"
+			fill="freeze"
+			begin="0s;strokeBox.end"
+		/>
+	</rect>
+</svg>
+
+<style>
+	svg {
+		height: 2em;
+		position: relative;
+		top: 0.6em;
+		pointer-events: none;
+	}
+</style>
--- a/packages/frontend/src/lib/ui/MaxSize.svelte
+++ b/packages/frontend/src/lib/ui/MaxSize.svelte
@@ -0,0 +1,18 @@
+<script lang="ts">
+	import prettyBytes from 'pretty-bytes'
+	import { _ } from 'svelte-intl-precompile'
+
+	import { status } from '$lib/stores/status'
+
+	// Due to encoding overhead (~35%) with base64
+	// https://en.wikipedia.org/wiki/Base64
+	const overhead = 1 / 1.35
+</script>
+
+<span>
+	{#if $status !== null}
+		{prettyBytes($status.max_size * overhead, { binary: true })}
+	{:else}
+		{$_('common.loading')}
+	{/if}
+</span>
--- a/packages/frontend/src/lib/ui/NoteResult.svelte
+++ b/packages/frontend/src/lib/ui/NoteResult.svelte
@@ -0,0 +1,37 @@
+<script lang="ts" context="module">
+	export type NoteResult = {
+		password: string
+		id: string
+	}
+</script>
+
+<script lang="ts">
+	import { t } from 'svelte-intl-precompile'
+
+	import Button from '$lib/ui/Button.svelte'
+	import TextInput from '$lib/ui/TextInput.svelte'
+
+	export let result: NoteResult
+
+	function reset() {
+		window.location.reload()
+	}
+</script>
+
+<TextInput
+	type="text"
+	readonly
+	label={$t('common.share_link')}
+	value="{window.location.origin}/note/{result.id}#{result.password}"
+	copy
+	data-testid="share-link"
+/>
+<br />
+<p>
+	{@html $t('home.new_note_notice')}
+</p>
+<br />
+<Button on:click={reset}>{$t('home.new_note')}</Button>
+
+<style>
+</style>
--- a/packages/frontend/src/lib/ui/ShowNote.svelte
+++ b/packages/frontend/src/lib/ui/ShowNote.svelte
@@ -0,0 +1,93 @@
+<script lang="ts" context="module">
+	export type DecryptedNote = Omit<NotePublic, 'contents'> & { contents: any }
+</script>
+
+<script lang="ts">
+	import DOMPurify from 'dompurify'
+	import { saveAs } from 'file-saver'
+	import prettyBytes from 'pretty-bytes'
+	import { t } from 'svelte-intl-precompile'
+
+	import type { FileDTO, NotePublic } from '$lib/api'
+	import Button from '$lib/ui/Button.svelte'
+	import { copy } from '$lib/utils'
+
+	export let note: DecryptedNote
+
+	const RE_URL = /[A-Za-z]+:\/\/([A-Z a-z0-9\-._~:\/?#\[\]@!$&'()*+,;%=])+/g
+	let files: FileDTO[] = []
+
+	$: if (note.meta.type === 'file') {
+		files = note.contents
+	}
+
+	$: download = () => {
+		for (const file of files) {
+			downloadFile(file)
+		}
+	}
+
+	async function downloadFile(file: FileDTO) {
+		const f = new File([file.contents], file.name, {
+			type: file.type,
+		})
+		saveAs(f)
+	}
+
+	function contentWithLinks(content: string): string {
+		const replaced = content.replace(
+			RE_URL,
+			(url) => `<a href="${url}" rel="noreferrer">${url}</a>`
+		)
+		return DOMPurify.sanitize(replaced, { USE_PROFILES: { html: true } })
+	}
+</script>
+
+<p class="error-text">{@html $t('show.warning_will_not_see_again')}</p>
+<div data-testid="result">
+	{#if note.meta.type === 'text'}
+		<div class="note">
+			{@html contentWithLinks(note.contents)}
+		</div>
+		<Button on:click={() => copy(note.contents)}>{$t('common.copy_clipboard')}</Button>
+	{:else}
+		{#each files as file}
+			<div class="note file">
+				<b on:click={() => downloadFile(file)}>↓ {file.name}</b>
+				<small> {file.type} － {prettyBytes(file.size)}</small>
+			</div>
+		{/each}
+		<Button on:click={download}>{$t('show.download_all')}</Button>
+	{/if}
+</div>
+
+<style>
+	.note {
+		width: 100%;
+		margin: 0;
+		padding: 0;
+		border: 2px solid var(--ui-bg-1);
+		outline: none;
+		padding: 0.5rem;
+		white-space: pre;
+		overflow: auto;
+		margin-bottom: 0.5rem;
+	}
+
+	.note b {
+		cursor: pointer;
+		white-space: nowrap;
+		overflow: hidden;
+		text-overflow: ellipsis;
+	}
+
+	.note.file {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+	}
+
+	.note.file small {
+		padding-left: 1rem;
+	}
+</style>
--- a/packages/frontend/src/lib/ui/Switch.svelte
+++ b/packages/frontend/src/lib/ui/Switch.svelte
@@ -0,0 +1,65 @@
+<script lang="ts">
+	export let label: string = ''
+	export let value: boolean
+	export let color = true
+</script>
+
+<div {...$$restProps}>
+	<label class="switch">
+		<small>{label}</small>
+		<input type="checkbox" bind:checked={value} />
+		<span class:color class="slider" />
+	</label>
+</div>
+
+<style>
+	div {
+		height: 3.75rem;
+	}
+
+	.switch {
+		position: relative;
+		display: inline-block;
+		width: 4rem;
+		height: 2.5rem;
+	}
+
+	.switch input {
+		opacity: 0;
+		width: 0;
+		height: 0;
+	}
+
+	.slider {
+		position: absolute;
+		cursor: pointer;
+		top: 0;
+		left: 0;
+		right: 0;
+		bottom: 0;
+		border: 2px solid var(--ui-bg-1);
+		background-color: var(--ui-bg-0);
+		transition: var(--ui-anim);
+		transform: translateY(1.2rem);
+	}
+
+	.slider:before {
+		position: absolute;
+		content: '';
+		height: 2rem;
+		width: 1.25rem;
+		left: 0.125rem;
+		bottom: 0.125rem;
+		background-color: var(--ui-bg-1);
+		-webkit-transition: 0.4s;
+		transition: var(--ui-anim);
+	}
+
+	input:checked + .slider.color:before {
+		background-color: var(--ui-clr-primary);
+	}
+
+	input:checked + .slider:before {
+		transform: translateX(calc(2.25rem - 1px));
+	}
+</style>
--- a/packages/frontend/src/lib/ui/TextArea.svelte
+++ b/packages/frontend/src/lib/ui/TextArea.svelte
@@ -0,0 +1,11 @@
+<script lang="ts">
+	export let label: string = ''
+	export let value: string
+</script>
+
+<label>
+	<small>
+		{label}
+	</small>
+	<textarea class="box" {...$$restProps} bind:value />
+</label>
--- a/packages/frontend/src/lib/ui/TextInput.svelte
+++ b/packages/frontend/src/lib/ui/TextInput.svelte
@@ -0,0 +1,99 @@
+<script lang="ts">
+	import { Crypto, Hex } from '$lib/crypto'
+	import Icon from '$lib/ui/Icon.svelte'
+	import { copy as copyFN } from '$lib/utils'
+
+	export let label: string = ''
+	export let value: any
+	export let validate: (value: any) => boolean | string = () => true
+	export let copy: boolean = false
+	export let random: boolean = false
+
+	const initialType = $$restProps.type
+	const isPassword = initialType === 'password'
+	let hidden = true
+
+	$: valid = validate(value)
+
+	$: if (isPassword) {
+		value
+		$$restProps.type = hidden ? initialType : 'text'
+	}
+
+	function toggle() {
+		hidden = !hidden
+	}
+	function randomFN() {
+		value = Hex.encode(Crypto.getRandomBytes(32))
+	}
+</script>
+
+<label>
+	<small disabled={$$restProps.disabled}>
+		{label}
+		{#if valid !== true}
+			<span class="error-text">{valid}</span>
+		{/if}
+	</small>
+	<input bind:value {...$$restProps} class:valid={valid === true} />
+	<div class="icons">
+		{#if isPassword}
+			<Icon class="icon" icon={hidden ? 'eye' : 'eye-off'} on:click={toggle} />
+		{/if}
+		{#if random}
+			<Icon class="icon" icon="dice" on:click={randomFN} />
+		{/if}
+		{#if copy}
+			<Icon class="icon" icon="copy" on:click={() => copyFN(value.toString())} />
+		{/if}
+	</div>
+</label>
+
+<style>
+	label {
+		position: relative;
+		display: block;
+	}
+
+	label > small {
+		display: block;
+	}
+
+	input {
+		width: 100%;
+		margin: 0;
+		border: 2px solid var(--ui-bg-1);
+		outline: none;
+		padding: 0.5rem;
+		height: 2.5rem;
+	}
+	input:hover,
+	input:focus {
+		border-color: var(--ui-clr-primary);
+	}
+
+	input:not(.valid) {
+		border-color: var(--ui-clr-error);
+	}
+
+	.icons {
+		border: 1px red;
+		position: absolute;
+		right: 0.3rem;
+		bottom: 0.3rem;
+		display: flex;
+		color: var(--ui-clr-primary);
+	}
+	.icons > :global(.icon) {
+		width: 1.5rem;
+		height: 1.5rem;
+		background-color: var(--ui-bg-1);
+		border: 2px solid var(--ui-bg-2);
+		padding: 1px;
+		cursor: pointer;
+		margin-left: 0.25rem;
+	}
+	.icons > :global(.icon:hover) {
+		border-color: var(--ui-clr-primary);
+	}
+</style>
--- a/packages/frontend/src/lib/ui/ThemeToggle.svelte
+++ b/packages/frontend/src/lib/ui/ThemeToggle.svelte
@@ -0,0 +1,62 @@
+<script lang="ts" context="module">
+	import { writable } from 'svelte/store'
+
+	enum Theme {
+		Dark = 'dark',
+		Light = 'light',
+		Auto = 'auto',
+	}
+
+	const NextTheme = {
+		[Theme.Auto]: Theme.Light,
+		[Theme.Light]: Theme.Dark,
+		[Theme.Dark]: Theme.Auto,
+	}
+
+	function init(): Theme {
+		if (typeof window !== 'undefined') {
+			const saved = window.localStorage.getItem('theme') as Theme
+			if (Object.values(Theme).includes(saved)) return saved
+		}
+		return Theme.Auto
+	}
+
+	export const theme = writable<Theme>(init())
+
+	theme.subscribe((theme) => {
+		if (typeof window !== 'undefined') {
+			window.localStorage.setItem('theme', theme)
+			const html = window.document.getElementsByTagName('html')[0]
+			html.setAttribute('theme', theme)
+		}
+	})
+</script>
+
+<script lang="ts">
+	import Icon from '$lib/ui/Icon.svelte'
+
+	function change() {
+		theme.update((current) => NextTheme[current])
+	}
+</script>
+
+<div on:click={change}>
+	<Icon class="icon" icon="contrast" />
+	{$theme}
+</div>
+
+<style>
+	div :global(.icon) {
+		height: 1rem;
+		width: 1rem;
+		margin-right: 0.5rem;
+	}
+
+	div {
+		display: flex;
+		flex-direction: row;
+		justify-content: flex-end;
+		align-items: center;
+		cursor: pointer;
+	}
+</style>
--- a/packages/frontend/src/lib/utils.ts
+++ b/packages/frontend/src/lib/utils.ts
@@ -0,0 +1,11 @@
+import copyToClipboard from 'copy-to-clipboard'
+import { t } from 'svelte-intl-precompile'
+import { get } from 'svelte/store'
+
+import { notify } from './toast'
+
+export function copy(value: string) {
+	copyToClipboard(value)
+	const msg = get(t)('common.copied_to_clipboard')
+	notify.success(msg)
+}
--- a/packages/frontend/src/lib/views/Create.svelte
+++ b/packages/frontend/src/lib/views/Create.svelte
@@ -0,0 +1,174 @@
+<script lang="ts">
+	import { t } from 'svelte-intl-precompile'
+	import { blur } from 'svelte/transition'
+
+	import { Adapters } from '$lib/adapters'
+	import type { FileDTO, Note } from '$lib/api'
+	import { create, PayloadToLargeError } from '$lib/api'
+	import { Keys } from '$lib/crypto'
+	import { status } from '$lib/stores/status'
+	import { notify } from '$lib/toast'
+	import AdvancedParameters from '$lib/ui/AdvancedParameters.svelte'
+	import Button from '$lib/ui/Button.svelte'
+	import FileUpload from '$lib/ui/FileUpload.svelte'
+	import Loader from '$lib/ui/Loader.svelte'
+	import MaxSize from '$lib/ui/MaxSize.svelte'
+	import Result, { type NoteResult } from '$lib/ui/NoteResult.svelte'
+	import Switch from '$lib/ui/Switch.svelte'
+	import TextArea from '$lib/ui/TextArea.svelte'
+
+	let note: Note = {
+		contents: '',
+		meta: { type: 'text' },
+		views: 1,
+		expiration: 60,
+	}
+	let files: FileDTO[]
+	let result: NoteResult | null = null
+	let advanced = false
+	let isFile = false
+	let timeExpiration = false
+	let description = ''
+	let loading: string | null = null
+
+	$: if (!advanced) {
+		note.views = 1
+		timeExpiration = false
+	}
+
+	$: {
+		description = $t('home.explanation', {
+			values: {
+				type: $t(timeExpiration ? 'common.minutes' : 'common.views', {
+					values: { n: (timeExpiration ? note.expiration : note.views) ?? '?' },
+				}),
+			},
+		})
+	}
+
+	$: note.meta.type = isFile ? 'file' : 'text'
+
+	$: if (!isFile) {
+		note.contents = ''
+	}
+
+	class EmptyContentError extends Error {}
+
+	async function submit() {
+		try {
+			loading = $t('common.encrypting')
+
+			const key = await Keys.generateKey()
+			const password = await Keys.export(key)
+
+			const data: Note = {
+				contents: '',
+				meta: note.meta,
+			}
+			if (isFile) {
+				if (files.length === 0) throw new EmptyContentError()
+				data.contents = await Adapters.Files.encrypt(files, key)
+			} else {
+				if (note.contents === '') throw new EmptyContentError()
+				data.contents = await Adapters.Text.encrypt(note.contents, key)
+			}
+			if (timeExpiration) data.expiration = parseInt(note.expiration as any)
+			else data.views = parseInt(note.views as any)
+
+			loading = $t('common.uploading')
+			const response = await create(data)
+			result = {
+				password: password,
+				id: response.id,
+			}
+			notify.success($t('home.messages.note_created'))
+		} catch (e) {
+			if (e instanceof PayloadToLargeError) {
+				notify.error($t('home.errors.note_to_big'))
+			} else if (e instanceof EmptyContentError) {
+				notify.error($t('home.errors.empty_content'))
+			} else {
+				console.error(e)
+				notify.error($t('home.errors.note_error'))
+			}
+		} finally {
+			loading = null
+		}
+	}
+</script>
+
+{#if result}
+	<Result {result} />
+{:else}
+	<p>
+		{@html $status?.theme_text || $t('home.intro')}
+	</p>
+	<form on:submit|preventDefault={submit}>
+		<fieldset disabled={loading !== null}>
+			{#if isFile}
+				<FileUpload data-testid="file-upload" label={$t('common.file')} bind:files />
+			{:else}
+				<TextArea
+					data-testid="text-field"
+					label={$t('common.note')}
+					bind:value={note.contents}
+					placeholder="..."
+				/>
+			{/if}
+
+			<div class="bottom">
+				<Switch
+					data-testid="switch-file"
+					class="file"
+					label={$t('common.file')}
+					bind:value={isFile}
+				/>
+				{#if $status?.allow_advanced}
+					<Switch
+						data-testid="switch-advanced"
+						label={$t('common.advanced')}
+						bind:value={advanced}
+					/>
+				{/if}
+				<div class="grow" />
+				<div class="tr">
+					<small>{$t('common.max')}: <MaxSize /> </small>
+					<br />
+					<Button type="submit">{$t('common.create')}</Button>
+				</div>
+			</div>
+
+			<p>
+				<br />
+				{#if loading}
+					{loading} <Loader />
+				{:else}
+					{description}
+				{/if}
+			</p>
+
+			{#if advanced}
+				<div transition:blur={{ duration: 250 }}>
+					<br />
+					<AdvancedParameters bind:note bind:timeExpiration />
+				</div>
+			{/if}
+		</fieldset>
+	</form>
+{/if}
+
+<style>
+	.bottom {
+		display: flex;
+		align-items: flex-end;
+		margin-top: 0.5rem;
+	}
+
+	.bottom :global(.file) {
+		margin-right: 0.5rem;
+	}
+
+	.grow {
+		flex: 1;
+	}
+</style>
--- a/packages/frontend/src/lib/views/Footer.svelte
+++ b/packages/frontend/src/lib/views/Footer.svelte
@@ -0,0 +1,36 @@
+<script lang="ts">
+	import ThemeToggle from '$lib/ui/ThemeToggle.svelte'
+</script>
+
+<footer>
+	<ThemeToggle />
+	<nav>
+		<a href="/">/home</a>
+		<a href="/about">/about</a>
+		<a href="https://github.com/cupcakearmy/cryptgeon" target="_blank" rel="noopener">/code</a>
+	</nav>
+</footer>
+
+<style>
+	footer {
+		display: flex;
+		justify-content: space-between;
+		padding: 1rem;
+		position: fixed;
+		bottom: 0;
+		right: 0;
+		width: 100%;
+		background-color: var(--ui-bg-0-85);
+	}
+
+	a {
+		margin: 0 0.5rem;
+	}
+
+	nav {
+		display: flex;
+		flex-direction: row;
+		justify-content: flex-end;
+		align-items: center;
+	}
+</style>
--- a/packages/frontend/src/lib/views/Header.svelte
+++ b/packages/frontend/src/lib/views/Header.svelte
@@ -0,0 +1,122 @@
+<script lang="ts">
+	import { status } from '$lib/stores/status'
+</script>
+
+<header>
+	<a href="/">
+		{#if $status?.theme_image}
+			<img alt="logo" src={$status.theme_image} />
+		{:else}
+			<svg
+				width="100%"
+				height="100%"
+				viewBox="0 0 450 200"
+				version="1.1"
+				xmlns="http://www.w3.org/2000/svg"
+				xmlns:xlink="http://www.w3.org/1999/xlink"
+				xml:space="preserve"
+				style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;"
+				><g id="Logo"
+					><clipPath id="_clip1"
+						><rect x="6.336" y="3.225" width="193.55" height="193.55" /></clipPath
+					><g clip-path="url(#_clip1)"
+						><g
+							><g
+								><path
+									d="M173.425,43.296c-2.087,-0 -3.78,1.693 -3.78,3.78c-0,2.087 1.693,3.78 3.78,3.78c2.087,0 3.78,-1.693 3.78,-3.78c0,-2.087 -1.693,-3.78 -3.78,-3.78Z"
+									style="fill-rule:nonzero;"
+								/></g
+							></g
+						><g
+							><g
+								><path
+									d="M103.112,134.023c-2.087,-0 -3.781,1.693 -3.781,3.78c0,2.087 1.694,3.78 3.781,3.78c2.086,0 3.78,-1.693 3.78,-3.78c-0,-2.087 -1.694,-3.78 -3.78,-3.78Z"
+									style="fill-rule:nonzero;"
+								/></g
+							></g
+						><g
+							><g
+								><path
+									d="M156.036,96.22c-2.088,-0 -3.781,1.692 -3.781,3.78c0,18.76 -15.262,34.023 -34.022,34.023c-2.088,-0 -3.781,1.692 -3.781,3.78c0,2.088 1.693,3.78 3.781,3.78c22.929,0 41.583,-18.654 41.583,-41.583c-0,-2.088 -1.693,-3.78 -3.78,-3.78Z"
+									style="fill-rule:nonzero;"
+								/></g
+							></g
+						><g
+							><g
+								><path
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+		{/if}
+	</a>
+</header>
+
+<style>
+	a {
+		border: none;
+	}
+
+	header {
+		text-align: center;
+		margin-top: 3rem;
+		margin-bottom: 2rem;
+	}
+
+	img {
+		object-fit: contain;
+	}
+
+	@media screen and (max-width: 30rem) {
+		header {
+			margin-top: 1rem;
+			margin-bottom: 1rem;
+		}
+
+		header svg,
+		header img {
+			max-height: 4rem;
+		}
+	}
+
+	header svg,
+	header img {
+		width: 100%;
+		max-height: 8rem;
+		transform: translateX(-1rem);
+		fill: currentColor;
+	}
+</style>