cryptgeon/frontend/src/lib/views/Create.svelte

187 lines
4.0 KiB
Svelte

<script lang="ts">
import { create, Note, PayloadToLargeError } from '$lib/api'
import { encrypt, getKeyFromString, getRandomBytes, Hex } from '$lib/crypto'
import Button from '$lib/ui/Button.svelte'
import FileUpload from '$lib/ui/FileUpload.svelte'
import MaxSize from '$lib/ui/MaxSize.svelte'
import Switch from '$lib/ui/Switch.svelte'
import TextArea from '$lib/ui/TextArea.svelte'
import TextInput from '$lib/ui/TextInput.svelte'
import { blur } from 'svelte/transition'
import { t } from 'svelte-intl-precompile'
let note: Note = {
contents: '',
meta: { type: 'text' },
views: 1,
expiration: 60,
}
let result: { password: string; id: string } | null = null
let advanced = false
let file = false
let timeExpiration = false
let message = ''
let loading = false
let error: string | null = null
$: if (!advanced) {
note.views = 1
timeExpiration = false
}
$: {
message = $t('home.explanation', {
values: {
type: $t(timeExpiration ? 'common.minutes' : 'common.views', {
values: { n: timeExpiration ? note.expiration : note.views },
}),
},
})
}
$: note.meta.type = file ? 'file' : 'text'
$: if (!file) {
note.contents = ''
}
async function submit() {
try {
error = null
loading = true
const password = Hex.encode(getRandomBytes(32))
const key = await getKeyFromString(password)
const data: Note = {
contents: await encrypt(note.contents, key),
meta: note.meta,
}
if (timeExpiration) data.expiration = parseInt(note.expiration as any)
else data.views = parseInt(note.views as any)
const response = await create(data)
result = {
password: password,
id: response.id,
}
} catch (e) {
if (e instanceof PayloadToLargeError) {
error = $t('home.errors.note_to_big')
} else {
error = $t('home.errors.note_error')
}
} finally {
loading = false
}
}
function reset() {
window.location.reload()
}
</script>
{#if result}
<TextInput
type="text"
readonly
label={$t('common.share_link')}
value="{window.location.origin}/note/{result.id}#{result.password}"
copy
/>
<br />
<p>
{@html $t('home.new_note_notice')}
</p>
<br />
<Button on:click={reset}>{$t('home.new_note')}</Button>
{:else}
<p>
{@html $t('home.intro')}
</p>
<form on:submit|preventDefault={submit}>
<fieldset disabled={loading}>
{#if file}
<FileUpload label={$t('common.file')} on:file={(f) => (note.contents = f.detail)} />
{:else}
<TextArea label={$t('common.note')} bind:value={note.contents} placeholder="..." />
{/if}
<div class="bottom">
<Switch class="file" label={$t('common.file')} bind:value={file} />
<Switch label={$t('common.advanced')} bind:value={advanced} />
<div class="grow" />
<div class="tr">
<small>{$t('common.max')}: <MaxSize /> </small>
<br />
<Button type="submit">{$t('common.create')}</Button>
</div>
</div>
{#if error}
<div class="error-text">{error}</div>
{/if}
<p>
<br />
{#if loading}
{$t('common.loading')}
{:else}
{message}
{/if}
</p>
{#if advanced}
<div transition:blur={{ duration: 250 }}>
<br />
<div class="fields">
<TextInput
type="number"
label={$t('common.views', { values: { n: 0 } })}
bind:value={note.views}
disabled={timeExpiration}
max={100}
/>
<div class="middle-switch">
<Switch label={$t('common.mode')} bind:value={timeExpiration} color={false} />
</div>
<TextInput
type="number"
label={$t('common.minutes', { values: { n: 0 } })}
bind:value={note.expiration}
disabled={!timeExpiration}
max={360}
/>
</div>
</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;
}
.middle-switch {
margin: 0 1rem;
}
.error-text {
margin-top: 0.5rem;
}
.fields {
display: flex;
}
</style>