This commit is contained in:
2026-05-23 17:17:56 -07:00
commit 448f2e33ef
135 changed files with 11817 additions and 0 deletions
+362
View File
@@ -0,0 +1,362 @@
import { useEffect, useRef, useState } from 'react'
import type { BackendChallenge, BackendLimit, UploadEventType } from '../../functions/BackendTypes'
import { API_BASE, BackendDebounce, BackendFetch } from '../../functions/Backend'
import { KEY_PREFIX_UPLOAD, routeTo, setTitle } from '../../functions/Route'
import './styles/Upload.css'
import HeaderMessage from '../layout/HeaderMessage'
import InputFile, { type HandleForInputFile } from '../inputs/File'
import InputText, { type HandleForInputText } from '../inputs/Text'
import InputTags, { type HandleForInputTags } from '../inputs/Tags'
import InputButton from '../inputs/Button'
import FooterLoading from '../layout/FooterLoading'
import FooterError from '../layout/FooterError'
import FooterText from '../layout/FooterText'
import { wtEvent } from '../../functions/Watchtower'
export default function ViewUpload() {
const solveChallengeRef = useRef<() => void>(null)
const fileRef = useRef<HandleForInputFile>(null)
const titleRef = useRef<HandleForInputText>(null)
const tagsRef = useRef<HandleForInputTags>(null)
const [workCounter, setWorkCounter] = useState(0)
const [workNonce, setWorkNonce] = useState('')
const [limits, setLimits] = useState<BackendLimit>()
const [loading, setLoading] = useState(true)
const [loadingReason, setLoadingReason] = useState<string>('')
const [formError, setFormError] = useState<string>('')
const [error, setError] = useState<string>('')
async function onSubmit() {
setFormError('')
// Validate Client
if (workCounter === 0) {
wtEvent('upload_validation_fail', { reason: 'pow_unsolved' })
return setFormError('Waiting for worker to complete')
}
if (!limits) {
wtEvent('upload_validation_fail', { reason: 'restrictions_loading' })
return setFormError('Limits not loaded yet')
}
// Validate Form
const restrict = limits.upload
const preview = fileRef.current?.getPreview()
const file = fileRef.current?.getValue()
const tags = tagsRef.current?.getValue()
const title = titleRef.current?.getValue()
if (!file || !preview) {
wtEvent('upload_validation_fail', { reason: 'missing_file' })
return setFormError('Please select a file.')
}
if (!tags || tags.length === 0) {
wtEvent('upload_validation_fail', { reason: 'missing_tags' })
return setFormError('Please add at least one tag.')
}
if (!title || title.trim().length === 0) {
wtEvent('upload_validation_fail', { reason: 'missing_title' })
return setFormError('Please enter a title.')
}
// Validate Media
if (!restrict.mime_types.includes(file.type)) {
wtEvent('upload_validation_fail', { reason: 'mime_type', value: file.type })
return setFormError(`File type is not supported`)
}
if (file.size > restrict.filesize) {
wtEvent('upload_validation_fail', { reason: 'file_size', value: file.size })
return setFormError(`File exceeds ${Math.floor(restrict.filesize / 1024 / 1024)}MB limit`)
}
if (preview instanceof HTMLVideoElement) {
if (preview.videoWidth < restrict.input_width_min || preview.videoHeight < restrict.input_height_min) {
wtEvent('upload_validation_fail', {
reason: 'dimension_min',
width: preview.videoWidth,
height: preview.videoHeight,
})
return setFormError(
`Animation is too small (Min: ${restrict.input_width_min}x${restrict.input_height_min})`,
)
}
if (preview.videoWidth > restrict.video_width_max || preview.videoHeight > restrict.video_height_max) {
wtEvent('upload_validation_fail', {
reason: 'dimension_max',
width: preview.videoWidth,
height: preview.videoHeight,
})
return setFormError(
`Animation is too large (Max: ${restrict.video_width_max}x${restrict.video_height_max})`,
)
}
if (preview.duration > restrict.duration) {
wtEvent('upload_validation_fail', { reason: 'duration', width: preview.duration })
return setFormError(`Animation is too long (Max: ${restrict.duration} seconds)`)
}
}
if (preview instanceof HTMLImageElement) {
if (preview.naturalWidth < restrict.input_width_min || preview.naturalHeight < restrict.input_height_min) {
wtEvent('upload_validation_fail', {
reason: 'dimension_min',
width: preview.naturalWidth,
height: preview.naturalHeight,
})
return setFormError(
`Sticker is too small (Min: ${restrict.input_width_min}x${restrict.input_height_min})`,
)
}
if (preview.naturalWidth > restrict.image_width_max || preview.naturalHeight > restrict.image_height_max) {
wtEvent('upload_validation_fail', {
reason: 'dimension_max',
width: preview.naturalWidth,
height: preview.naturalHeight,
})
return setFormError(
`Sticker is too large (Max: ${restrict.image_width_max}x${restrict.image_height_max})`,
)
}
}
// Upload User Content
setLoading(true)
setLoadingReason('Uploading Content')
const form = new FormData()
form.append('file', file)
form.append(
'data',
new Blob(
[
JSON.stringify({
title: title.trim(),
tags: tags.map((t) => t.label),
}),
],
{ type: 'application/json' },
),
)
fetch(`${API_BASE}/uploads`, {
body: form,
method: 'POST',
headers: {
'X-Challenge-Counter': String(workCounter),
'X-Challenge-Nonce': workNonce,
},
})
.then(async (resp) => {
let requestID = 'N/A'
if (!resp.ok) {
solveChallengeRef.current?.() // refresh consumed pow
let reason = `Request failed: ${resp.status} ${resp.statusText}`
try {
const raw = await resp.text()
const dat = JSON.parse(raw)
if (dat.message) reason = `${dat.message} (${requestID})`
} catch {}
wtEvent('upload_fail', { reason })
setFormError(reason)
setLoading(false)
return
}
const reader = resp.body!.getReader()
const decoder = new TextDecoder()
let buffer = ''
while (true) {
const { done, value } = await reader.read()
if (done) break
buffer += decoder.decode(value, { stream: true })
let parts = buffer.split('\n\n')
buffer = parts.pop()!
for (const part of parts) {
const lines = part.split('\n')
for (const line of lines) {
if (!line.startsWith('data:')) continue
const text = line.slice(5).trim()
if (!text) continue
const body: UploadEventType = JSON.parse(text)
switch (body.name) {
// Simple Messages
case 'id':
requestID = body.data
break
case 'step':
setLoadingReason(body.data.message)
break
case 'progress':
setLoadingReason(`Processing: ${body.data.percent}%`)
break
// Request Failed, Most likely due to NSFW
case 'error':
wtEvent('upload_fail', { reason: body.data.message })
setFormError(`${body.data.message} (${requestID})`)
setLoading(false)
break
// Request Complete
case 'finish':
wtEvent('upload_success', {
id: requestID,
type: file.type,
size: file.size,
width:
preview instanceof HTMLVideoElement
? preview.videoWidth
: preview.naturalWidth,
height:
preview instanceof HTMLVideoElement
? preview.videoHeight
: preview.naturalHeight,
duration: preview instanceof HTMLVideoElement ? preview.duration : 0,
})
// Little hack to send the user to their personal gifs instead of the upload pane
// when they click back... it just feels more logical.
localStorage.setItem(`${KEY_PREFIX_UPLOAD}${requestID}`, body.data.edit_token)
routeTo(`/personal`)
routeTo(`/art/${requestID}`)
break
}
// For debugging purposes
console.log(`[EVENT] ${body.name} => ${text}`)
}
}
}
})
.catch((err) => {
console.error('Network Error:', err)
setFormError('Network Error')
setLoading(false)
})
.finally(() => {
solveChallengeRef.current?.()
})
}
useEffect(() => {
let iteration = 1
async function handler() {
const resp = await BackendFetch<BackendLimit>('/limits')
if (resp.error) {
console.log('Failed to fetch limits:', resp.error)
const d = BackendDebounce(resp, iteration)
if (!d.ratelimit) {
setError(resp.error)
}
await d.sleep
setError('')
handler()
return
}
setLimits(resp.json)
}
handler()
}, [])
useEffect(() => {
let timeout: number | undefined
let worker: Worker
let iteration = 1
async function handler() {
console.log('[WORKER] Starting Challenge')
setLoadingReason('Retrieving Settings')
// Request Challenge
const resp = await BackendFetch<BackendChallenge>('/challenge?difficulty=20')
if (resp.error) {
console.log('[WORKER] Fetch Error:', resp.error)
const d = BackendDebounce(resp, iteration)
if (!d.ratelimit) {
setError(resp.error)
}
await d.sleep
setError('')
handler()
return
}
setLoadingReason('Solving Anti-Spam Challenge')
// Complete Challenge
const { nonce, difficulty, expires } = resp.json
const t = Date.now()
worker.postMessage({ nonce, difficulty })
worker.onmessage = (m: MessageEvent<{ counter: number }>) => {
const tt = Date.now() - t
wtEvent('upload_pow_solve', { difficulty, time: tt })
console.log(`[WORKER] Work completed in ${tt}ms`)
worker.onmessage = null
setWorkCounter(m.data.counter)
setWorkNonce(nonce)
const tl = Math.max(expires * 1000 - Date.now(), 0)
timeout = setTimeout(handler, tl)
console.log(`[WORKER] Next Challenge in ${tl}ms`)
setLoadingReason('Ready')
setLoading(false)
}
}
try {
setLoadingReason('Spawning Worker')
worker = new Worker('/worker-pow.js')
solveChallengeRef.current = handler
handler() // shouldn't fail
} catch (error) {
console.error('[WORKER] Startup Error:', error)
setError('Init Error')
}
return () => {
clearTimeout(timeout)
worker.onmessage = null
worker.terminate()
console.log('[WORKER] Cleanup')
}
}, [])
setTitle('Upload')
return (
<>
<HeaderMessage label="View: Upload" />
<div className="view-upload">
<InputFile ref={fileRef} limits={limits?.upload} />
<InputText ref={titleRef} label="Metadata: Title" placeholder="My Creation" />
<InputTags ref={tagsRef} label="Metadata: Tags" allowCustom={true} onChange={undefined} />
{!error && !loading && !formError && <FooterText label="" /* lazy divider */ />}
{!error && loading && <FooterLoading reason={loadingReason} />}
{!error && formError && <FooterError reason={formError} />}
{error && <FooterError reason={error} />}
<InputButton
id="action-upload"
label="Upload"
onClick={onSubmit}
disabled={loading || !!error}
rainbow={false}
selected={false}
/>
</div>
</>
)
}