Files
FileHost/app/composables/useMediaUpload.ts
T
2026-10-17 16:09:31 +08:00

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import type { UploadProgressItem } from '~/types/image'
import type { FileItem, FileListResponse, FileUploadResponse } from '~/types/file'
import type { CopyFormat, UploadMediaKind } from './useUploadPreferences'
import { isUnauthorizedError } from './useAuth'
const MAX_FILES = 10
function buildCopyText(item: FileItem, format: CopyFormat): string {
switch (format) {
case 'url':
return item.url
case 'html':
return `<a href="${item.url}">${item.originalName}</a>`
case 'bbcode':
return `[url=${item.url}]${item.originalName}[/url]`
default:
return `[${item.originalName}](${item.url})`
}
}
async function copyToClipboard(text: string): Promise<boolean> {
try {
if (navigator.clipboard?.writeText) {
await navigator.clipboard.writeText(text)
return true
}
} catch {
// 内网 http:// 等非安全上下文继续走回退方案
}
try {
const textarea = document.createElement('textarea')
textarea.value = text
textarea.style.position = 'fixed'
textarea.style.left = '-9999px'
document.body.appendChild(textarea)
textarea.select()
const ok = document.execCommand('copy')
document.body.removeChild(textarea)
return ok
} catch {
return false
}
}
/** 视频床 / 文件床的上传:走文件床接口,偏好按类型独立 */
export function useMediaUpload(kind: UploadMediaKind) {
const toast = useToast()
const { t } = useI18n()
const {
load: loadUploadPolicy
} = useUploadPolicy()
const {
autoCopyMarkdown,
copyFormat,
transcodeToHls,
loadPreferences
} = useUploadPreferences(kind)
const uploading = ref(false)
const progressItems = ref<UploadProgressItem[]>([])
const lastResult = ref<FileUploadResponse | null>(null)
/** 本次会话内上传的条目,页面刷新后清空 */
const sessionItems = ref<FileItem[]>([])
const accessMode = ref<'public' | 'token'>('public')
const apiToken = ref('')
const endpoint = kind === 'video' ? '/api/videos/upload' : '/api/files/upload'
loadPreferences()
async function loadApiToken() {
try {
const data = await $fetch<{ apiUploadToken: string }>('/api/user/api-token', {
credentials: 'include'
})
apiToken.value = data.apiUploadToken ?? ''
} catch {
apiToken.value = ''
}
}
/** Token 模式下复制出的链接需要带上令牌 */
function linkUrl(item: FileItem): string {
// 转码完成后优先给出 m3u8 播放地址
const base = item.hlsUrl ?? item.url
if (accessMode.value !== 'token' || !apiToken.value) return base
const separator = base.includes('?') ? '&' : '?'
return `${base}${separator}token=${encodeURIComponent(apiToken.value)}`
}
/** 封面缩略图地址(同样按访问模式拼接) */
function thumbLink(item: FileItem): string {
const base = item.thumbUrl
if (!base) return '/video-placeholder.svg'
if (accessMode.value !== 'token' || !apiToken.value) return base
const separator = base.includes('?') ? '&' : '?'
return `${base}${separator}token=${encodeURIComponent(apiToken.value)}`
}
let statusTimer: ReturnType<typeof setInterval> | null = null
function stopStatusPolling() {
if (statusTimer) {
clearInterval(statusTimer)
statusTimer = null
}
}
function hasPendingTranscode(): boolean {
return sessionItems.value.some(
item => item.transcodeStatus === 'pending' || item.transcodeStatus === 'running'
)
}
/** 转码是异步的,轮询列表把状态与 m3u8 地址同步回来 */
async function refreshTranscodeStatus() {
if (!hasPendingTranscode()) {
stopStatusPolling()
return
}
try {
const [active, finished] = await Promise.all([
$fetch<FileListResponse>('/api/files', {
credentials: 'include',
query: { kind: 'video', limit: 100, processing: '1' }
}),
$fetch<FileListResponse>('/api/files', {
credentials: 'include',
query: { kind: 'video', limit: 100 }
})
])
const latest = new Map(
[...active.items, ...finished.items].map(item => [item.key, item])
)
sessionItems.value = sessionItems.value.map(item => latest.get(item.key) ?? item)
} catch {
// 轮询失败保持现状,下个周期重试
}
if (!hasPendingTranscode()) stopStatusPolling()
}
function startStatusPolling() {
if (kind !== 'video' || statusTimer) return
statusTimer = setInterval(() => {
void refreshTranscodeStatus()
}, 1000)
}
onUnmounted(stopStatusPolling)
/** 刷新或换页后仍要显示还在排队/转码中的视频 */
async function loadActiveTranscodes() {
if (kind !== 'video') return
try {
const response = await $fetch<FileListResponse>('/api/files', {
credentials: 'include',
query: { kind: 'video', limit: 100, processing: '1' }
})
if (!response.items.length) return
const known = new Set(sessionItems.value.map(item => item.key))
const missing = response.items.filter(item => !known.has(item.key))
const latest = new Map(response.items.map(item => [item.key, item]))
sessionItems.value = [
...missing,
...sessionItems.value.map(item => latest.get(item.key) ?? item)
]
startStatusPolling()
} catch {
// 拉取失败时保持现状
}
}
async function uploadFiles(files: File[]) {
if (!files.length || uploading.value) return
const currentPolicy = await loadUploadPolicy().catch(() => null)
const acceptedFiles = files.filter((file) => {
const extension = file.name.split('.').pop()?.toLowerCase() ?? ''
if (
kind === 'video'
&& currentPolicy
&& !currentPolicy.allowedVideoExtensions.includes(extension)
) {
toast.add({
title: `${file.name}:${t('files.videoFormatBlocked', {
format: extension ? extension.toUpperCase() : '—'
})}`,
color: 'error'
})
return false
}
if (
kind === 'file'
&& currentPolicy?.forbiddenFileExtensions.includes(extension)
) {
toast.add({
title: `${file.name}:${t('files.fileFormatBlocked', {
format: extension.toUpperCase()
})}`,
color: 'error'
})
return false
}
return true
})
if (!acceptedFiles.length) return
if (acceptedFiles.length > MAX_FILES) {
toast.add({ title: t('files.maxFiles', { n: MAX_FILES }), color: 'warning' })
return
}
uploading.value = true
progressItems.value = acceptedFiles.map(file => ({
name: file.name,
status: 'pending',
progress: 0
}))
try {
const formData = new FormData()
for (const file of acceptedFiles) {
formData.append('files', file, file.name)
}
if (kind === 'video' && transcodeToHls.value) {
formData.append('transcode', '1')
}
progressItems.value = progressItems.value.map(item => ({
...item,
status: 'uploading',
progress: 50
}))
const response = await $fetch<FileUploadResponse>(endpoint, {
method: 'POST',
body: formData
})
lastResult.value = response
accessMode.value = response.accessMode
if (response.accessMode === 'token' && !apiToken.value) {
await loadApiToken()
}
progressItems.value = acceptedFiles.map((file) => {
const failed = response.errors.find(error => error.name === file.name)
return {
name: file.name,
status: failed ? 'error' : 'success',
progress: 100,
error: failed?.error.message
}
})
if (response.items.length) {
const wantsTranscode = kind === 'video' && transcodeToHls.value
const uploaded = wantsTranscode
? response.items.map(item => ({ ...item, transcodeStatus: 'pending' as const }))
: response.items
sessionItems.value = [...uploaded, ...sessionItems.value]
if (wantsTranscode) startStatusPolling()
toast.add({
title: t('files.uploadSuccess', { n: response.items.length }),
color: 'success'
})
const first = response.items[0]
if (autoCopyMarkdown.value && first) {
const text = buildCopyText(first, copyFormat.value)
if (text && await copyToClipboard(text)) {
toast.add({ title: t('copy.copied'), color: 'success' })
}
}
}
for (const failure of response.errors.slice(0, 3)) {
toast.add({
title: `${failure.name}:${failure.error.message}`,
color: 'error'
})
}
return response
} catch (error: unknown) {
if (!isUnauthorizedError(error)) {
progressItems.value = progressItems.value.map(item => ({
...item,
status: 'error',
progress: 100,
error: t('files.uploadFailed')
}))
toast.add({ title: t('files.uploadFailed'), color: 'error' })
}
throw error
} finally {
uploading.value = false
}
}
return {
uploading,
progressItems,
lastResult,
sessionItems,
accessMode,
linkUrl,
thumbLink,
loadActiveTranscodes,
uploadFiles
}
}