fix: support large brand knowledge uploads

This commit is contained in:
江林铖 2026-09-16 15:28:42 +08:00
parent ab37a99601
commit 83673baf70
15 changed files with 1136 additions and 146 deletions

View File

@ -1,11 +1,16 @@
import { getServerSession } from 'next-auth'
import { rename, unlink, writeFile } from 'fs/promises'
import { link, rename, unlink, writeFile } from 'fs/promises'
import { prisma } from '@/lib/prisma'
import { prepareBrandKnowledgePreview } from '@/lib/brand-knowledge-preview'
import { validateBrandKnowledgeUploadedPreviewSlices } from '@/lib/brand-knowledge-preview'
import { isSuperAdmin } from '@/lib/department-permission'
import { resolveOwnedMergedUpload } from '@/lib/upload-sessions'
import { acquireTaskMaterialUploadSessionLocks } from '@/lib/material-upload-cross-process-lock'
import { readUploadSessionSeal } from '@/lib/material-upload-session-seal'
import { cleanupConsumedUploadSession } from '@/lib/temp-cleanup'
const releaseRequestSlot = jest.fn()
const releaseUploadSessionLock = Object.assign(jest.fn(), { assertHeld: jest.fn() })
jest.mock('next-auth', () => ({ getServerSession: jest.fn() }))
jest.mock('@/lib/auth', () => ({ authOptions: {} }))
@ -15,7 +20,7 @@ jest.mock('@/lib/brand-center-dashboard-access', () => ({
},
assertBrandCenterDashboardAccess: jest.fn(async () => undefined),
}))
jest.mock('@/lib/prisma', () => ({ prisma: { brandKnowledge: { count: jest.fn(), create: jest.fn(), findMany: jest.fn() } } }))
jest.mock('@/lib/prisma', () => ({ prisma: { brandKnowledge: { count: jest.fn(), create: jest.fn(), findFirst: jest.fn(), findMany: jest.fn() } } }))
jest.mock('@/lib/department-permission', () => ({ isSuperAdmin: jest.fn(async () => false) }))
jest.mock('@/lib/brand-knowledge-preview', () => ({
prepareBrandKnowledgePreview: jest.fn(),
@ -36,7 +41,18 @@ jest.mock('@/lib/multipart-route-limits', () => ({
boundedMultipartRequestLimiter: { acquire: jest.fn(async () => releaseRequestSlot) },
getBoundedMultipartFailure: jest.fn(() => null),
}))
jest.mock('@/lib/upload-sessions', () => ({
isSafeUploadId: (value: string) => /^upload-[A-Za-z0-9-]+$/.test(value),
resolveOwnedMergedUpload: jest.fn(),
}))
jest.mock('@/lib/material-upload-cross-process-lock', () => ({
acquireTaskMaterialUploadSessionLocks: jest.fn(),
}))
jest.mock('@/lib/material-upload-session-seal', () => ({ readUploadSessionSeal: jest.fn() }))
jest.mock('@/lib/temp-cleanup', () => ({ cleanupConsumedUploadSession: jest.fn() }))
jest.mock('fs/promises', () => ({
link: jest.fn(async () => undefined),
lstat: jest.fn(),
rename: jest.fn(async () => undefined),
unlink: jest.fn(async () => undefined),
writeFile: jest.fn(async () => undefined),
@ -55,12 +71,6 @@ Object.assign(globalThis, {
let GET: typeof import('./route').GET
let POST: typeof import('./route').POST
const mainFile = {
name: 'knowledge.pdf',
size: 4,
type: 'application/pdf',
arrayBuffer: async () => Uint8Array.from([1, 2, 3, 4]).buffer,
}
const previewFile = {
name: 'long.png',
size: 8,
@ -74,7 +84,10 @@ function uploadRequest() {
['knowledgeType', '影像规范'],
['brand', '索菲亚'],
['productCategoryName', '衣柜'],
['file', mainFile],
['uploadId', 'upload-1'],
['existingFilePath', '/uploads/temp/upload-1/merged-knowledge.pdf'],
['originalFileName', 'knowledge.pdf'],
['fileSize', '4'],
['previewImage', previewFile],
])
return {
@ -103,7 +116,10 @@ function slicedUploadRequest() {
['knowledgeType', '影像规范'],
['brand', '索菲亚'],
['productCategoryName', '衣柜'],
['file', mainFile],
['uploadId', 'upload-1'],
['existingFilePath', '/uploads/temp/upload-1/merged-knowledge.pdf'],
['originalFileName', 'knowledge.pdf'],
['fileSize', '4'],
['previewImageName', 'long.png'],
['previewImageSliceCount', '2'],
['previewImageSlices', [firstSlice, secondSlice]],
@ -131,6 +147,7 @@ function createdRecord(data: Record<string, unknown>) {
brand: data.brand,
productCategoryName: data.productCategoryName,
fileName: data.fileName,
filePath: data.filePath,
mimeType: data.mimeType,
fileSize: data.fileSize,
downloadCount: 0,
@ -139,6 +156,7 @@ function createdRecord(data: Record<string, unknown>) {
previewImageMimeType: data.previewImageMimeType,
previewImageSize: data.previewImageSize,
createdAt: new Date('2026-09-14T00:00:00.000Z'),
uploadedBy: data.uploadedBy,
uploader: { realName: '无邪', username: 'wuxie' },
likes: [],
favorites: [],
@ -154,7 +172,16 @@ describe('brand knowledge upload route', () => {
;(getServerSession as jest.Mock).mockResolvedValue({ user: { id: 'user-1' } })
;(isSuperAdmin as jest.Mock).mockResolvedValue(false)
;(prisma.brandKnowledge.findMany as jest.Mock).mockResolvedValue([])
;(prisma.brandKnowledge.findFirst as jest.Mock).mockResolvedValue(null)
;(prisma.brandKnowledge.count as jest.Mock).mockResolvedValue(0)
;(acquireTaskMaterialUploadSessionLocks as jest.Mock).mockResolvedValue(releaseUploadSessionLock)
;(resolveOwnedMergedUpload as jest.Mock).mockResolvedValue({
uploadId: 'upload-1',
filePath: '/uploads/temp/upload-1/merged-knowledge.pdf',
session: { fileName: 'knowledge.pdf', fileSize: 4, userId: 'user-1', uploadPurpose: 'brand-knowledge' },
})
;(readUploadSessionSeal as jest.Mock).mockResolvedValue({ state: 'completed' })
;(cleanupConsumedUploadSession as jest.Mock).mockResolvedValue({ success: true, status: 'deleted' })
;(prepareBrandKnowledgePreview as jest.Mock).mockResolvedValue({
source: { extension: 'png', contentType: 'image/png', width: 800, height: 4_100 },
slices: [Buffer.from('first-slice'), Buffer.from('second-slice')],
@ -200,22 +227,29 @@ describe('brand knowledge upload route', () => {
expect(call.data.previewImagePath).toBe(call.data.previewImageSlices[0])
expect(call.data.previewImageMimeType).toBe('image/webp')
expect(call.data.previewImageSize).toBe(BigInt('first-slice'.length))
expect(writeFile).toHaveBeenCalledTimes(3)
expect(rename).toHaveBeenCalledTimes(3)
expect(link).toHaveBeenCalledWith(
'/uploads/temp/upload-1/merged-knowledge.pdf',
'/uploads/brand-knowledge/source-upload-1.pdf',
)
expect(call.data.filePath).toBe('uploads/brand-knowledge/source-upload-1.pdf')
expect(writeFile).toHaveBeenCalledTimes(2)
expect(rename).toHaveBeenCalledTimes(2)
expect(cleanupConsumedUploadSession).toHaveBeenCalledWith('upload-1')
expect(releaseUploadSessionLock).toHaveBeenCalledTimes(1)
expect(releaseRequestSlot).toHaveBeenCalledTimes(1)
})
test('removes the source and every written slice when database persistence fails', async () => {
test('removes the published hard link and preview slices when database persistence fails', async () => {
const errorSpy = jest.spyOn(console, 'error').mockImplementation(() => undefined)
;(prisma.brandKnowledge.create as jest.Mock).mockRejectedValue(new Error('database unavailable'))
const response = await POST(uploadRequest())
const writtenDestinations = (rename as jest.Mock).mock.calls.map((call) => call[1] as string)
expect(response.status).toBe(500)
for (const destination of writtenDestinations) {
expect(unlink).toHaveBeenCalledWith(destination)
}
expect(unlink).toHaveBeenCalledWith('/uploads/brand-knowledge/source-upload-1.pdf')
expect(unlink).toHaveBeenCalledWith('/uploads/brand-knowledge/upload-1-preview-part-001.webp')
expect(unlink).toHaveBeenCalledWith('/uploads/brand-knowledge/upload-1-preview-part-002.webp')
expect(cleanupConsumedUploadSession).not.toHaveBeenCalled()
expect(errorSpy).toHaveBeenCalled()
expect(releaseRequestSlot).toHaveBeenCalledTimes(1)
})
@ -235,4 +269,88 @@ describe('brand knowledge upload route', () => {
expect(call.data.previewImageSlices[0]).toMatch(/-part-001\.webp$/)
expect(call.data.previewImageSlices[1]).toMatch(/-part-002\.webp$/)
})
test('requires a completed upload seal before publishing the main file', async () => {
;(readUploadSessionSeal as jest.Mock).mockResolvedValue({ state: 'sealing' })
const response = await POST(uploadRequest())
const body = await response.json()
expect(response.status).toBe(409)
expect(body.error).toContain('尚未完成分片合并')
expect(link).not.toHaveBeenCalled()
expect(prisma.brandKnowledge.create).not.toHaveBeenCalled()
})
test('rejects a merged upload that does not belong to the current user', async () => {
;(resolveOwnedMergedUpload as jest.Mock).mockResolvedValue(null)
const response = await POST(uploadRequest())
expect(response.status).toBe(403)
expect(link).not.toHaveBeenCalled()
expect(prisma.brandKnowledge.create).not.toHaveBeenCalled()
})
test('rejects a merged upload created for a different workflow', async () => {
;(resolveOwnedMergedUpload as jest.Mock).mockResolvedValue({
uploadId: 'upload-1',
filePath: '/uploads/temp/upload-1/merged-knowledge.pdf',
session: { fileName: 'knowledge.pdf', fileSize: 4, userId: 'user-1' },
})
const response = await POST(uploadRequest())
const body = await response.json()
expect(response.status).toBe(409)
expect(body.error).toContain('上传用途')
expect(link).not.toHaveBeenCalled()
expect(prisma.brandKnowledge.create).not.toHaveBeenCalled()
})
test('replays the existing knowledge record without consuming the merged file twice', async () => {
const replayed = createdRecord({
title: '长图规范',
knowledgeType: '影像规范',
brand: '索菲亚',
productCategoryName: '衣柜',
fileName: 'knowledge.pdf',
filePath: 'uploads/brand-knowledge/source-upload-1.pdf',
mimeType: 'application/pdf',
fileSize: BigInt(4),
previewImageName: null,
previewImagePath: null,
previewImageMimeType: null,
previewImageSize: null,
uploadedBy: 'user-1',
})
;(prisma.brandKnowledge.findFirst as jest.Mock).mockResolvedValue(replayed)
const response = await POST(uploadRequest())
const body = await response.json()
expect(response.status).toBe(201)
expect(body.replayed).toBe(true)
expect(resolveOwnedMergedUpload).not.toHaveBeenCalled()
expect(link).not.toHaveBeenCalled()
expect(prisma.brandKnowledge.create).not.toHaveBeenCalled()
expect(cleanupConsumedUploadSession).toHaveBeenCalledWith('upload-1')
})
test('preserves published files when database commit state cannot be inspected', async () => {
const errorSpy = jest.spyOn(console, 'error').mockImplementation(() => undefined)
;(prisma.brandKnowledge.create as jest.Mock).mockRejectedValue(new Error('connection reset'))
;(prisma.brandKnowledge.findFirst as jest.Mock)
.mockResolvedValueOnce(null)
.mockRejectedValueOnce(new Error('database unavailable'))
const response = await POST(uploadRequest())
const body = await response.json()
expect(response.status).toBe(503)
expect(body.code).toBe('BRAND_KNOWLEDGE_PERSISTENCE_UNKNOWN')
expect(unlink).not.toHaveBeenCalledWith('/uploads/brand-knowledge/source-upload-1.pdf')
expect(cleanupConsumedUploadSession).not.toHaveBeenCalled()
expect(errorSpy).toHaveBeenCalled()
})
})

View File

@ -1,6 +1,7 @@
import { randomUUID } from 'crypto'
import { rename, unlink, writeFile } from 'fs/promises'
import { link, lstat, rename, unlink, writeFile } from 'fs/promises'
import path from 'path'
import { lookup as lookupMimeType } from 'mime-types'
import { getServerSession } from 'next-auth'
import { NextResponse } from 'next/server'
import { authOptions } from '@/lib/auth'
@ -13,6 +14,13 @@ import { assertBoundedMultipartHeaders, assertMultipartFiles } from '@/lib/multi
import { boundedMultipartRequestLimiter, getBoundedMultipartFailure } from '@/lib/multipart-route-limits'
import { prepareBrandKnowledgePreview, validateBrandKnowledgeUploadedPreviewSlices } from '@/lib/brand-knowledge-preview'
import { isWebFileLike } from '@/lib/web-file'
import { isSafeUploadId, resolveOwnedMergedUpload } from '@/lib/upload-sessions'
import {
acquireTaskMaterialUploadSessionLocks,
type MaterialUploadStorageLockRelease,
} from '@/lib/material-upload-cross-process-lock'
import { readUploadSessionSeal } from '@/lib/material-upload-session-seal'
import { cleanupConsumedUploadSession } from '@/lib/temp-cleanup'
import {
BRAND_KNOWLEDGE_MAIN_FILE_EXTENSIONS,
BRAND_KNOWLEDGE_MAX_MAIN_FILE_BYTES,
@ -35,6 +43,13 @@ const KNOWLEDGE_TYPES: ReadonlySet<string> = new Set(BRAND_KNOWLEDGE_TYPE_OPTION
const ALLOWED_EXTENSIONS: ReadonlySet<string> = new Set(BRAND_KNOWLEDGE_MAIN_FILE_EXTENSIONS)
const PRIVATE_HEADERS = { 'Cache-Control': 'private, no-store, max-age=0' }
class BrandKnowledgePersistenceUnknownError extends Error {
constructor() {
super('品牌知识保存状态暂时无法确认,服务器已保留上传文件,请勿重新上传')
this.name = 'BrandKnowledgePersistenceUnknownError'
}
}
function accessErrorResponse(error: unknown) {
if (error instanceof BrandCenterDashboardAccessError) {
return NextResponse.json({ success: false, error: error.message }, { status: error.status, headers: PRIVATE_HEADERS })
@ -46,6 +61,61 @@ function normalizeText(value: FormDataEntryValue | null, maxLength: number) {
return typeof value === 'string' ? value.trim().slice(0, maxLength) : ''
}
function getKnowledgeResponseSelect(userId: string) {
return {
id: true,
title: true,
knowledgeType: true,
brand: true,
productCategoryName: true,
fileName: true,
filePath: true,
mimeType: true,
fileSize: true,
downloadCount: true,
previewImageName: true,
previewImagePath: true,
previewImageMimeType: true,
previewImageSize: true,
createdAt: true,
uploadedBy: true,
uploader: { select: { realName: true, username: true } },
likes: { where: { userId }, select: { id: true } },
favorites: { where: { userId }, select: { id: true } },
_count: { select: { likes: true } },
} as const
}
async function publishMergedUploadByHardLink(input: {
sourcePath: string
destination: string
expectedBytes: number
}) {
try {
await link(input.sourcePath, input.destination)
return
} catch (error: any) {
if (error?.code !== 'EEXIST') throw error
}
const [sourceStats, destinationStats] = await Promise.all([
lstat(input.sourcePath),
lstat(input.destination),
])
if (
sourceStats.isSymbolicLink()
|| destinationStats.isSymbolicLink()
|| !sourceStats.isFile()
|| !destinationStats.isFile()
|| sourceStats.size !== input.expectedBytes
|| destinationStats.size !== input.expectedBytes
|| sourceStats.dev !== destinationStats.dev
|| sourceStats.ino !== destinationStats.ino
) {
throw new Error('品牌知识主文件目标路径已存在且与上传会话不一致')
}
}
function serializeKnowledge(item: {
id: string
title: string
@ -162,11 +232,15 @@ export async function GET(request: Request) {
}
export async function POST(request: Request) {
let storedPath: string | null = null
let uploadId = ''
let publishedMainPath: string | null = null
const storedPreviewPaths: string[] = []
let temporaryPath: string | null = null
const temporaryPreviewPaths: string[] = []
let releaseRequestSlot: (() => void) | null = null
let releaseUploadSessionLock: MaterialUploadStorageLockRelease | null = null
const persistence: {
outcome: 'not_attempted' | 'not_committed' | 'committed' | 'unknown'
} = { outcome: 'not_attempted' }
try {
const session = await getServerSession(authOptions)
await assertBrandCenterDashboardAccess(session)
@ -178,7 +252,6 @@ export async function POST(request: Request) {
const formData = await request.formData()
assertMultipartFiles(formData, {
fields: {
file: { maxCount: 1, maxFileBytes: MAX_FILE_SIZE },
previewImage: {
maxCount: 1,
maxFileBytes: MAX_PREVIEW_IMAGE_SIZE,
@ -191,15 +264,11 @@ export async function POST(request: Request) {
allowedMimeTypes: ['image/webp'],
},
},
maxFiles: 1 + BRAND_KNOWLEDGE_MAX_PREVIEW_SLICE_COUNT,
maxTotalBytes: MAX_FILE_SIZE + MAX_PREVIEW_IMAGE_SIZE,
maxFiles: BRAND_KNOWLEDGE_MAX_PREVIEW_SLICE_COUNT,
maxTotalBytes: MAX_PREVIEW_IMAGE_SIZE,
})
const file = formData.get('file')
const previewImage = formData.get('previewImage')
const uploadedPreviewSlices = formData.getAll('previewImageSlices')
if (!isWebFileLike(file)) {
return NextResponse.json({ success: false, error: '请选择知识文件' }, { status: 400, headers: PRIVATE_HEADERS })
}
if (previewImage !== null && !isWebFileLike(previewImage)) {
return NextResponse.json({ success: false, error: '预览图文件无效' }, { status: 400, headers: PRIVATE_HEADERS })
}
@ -213,9 +282,86 @@ export async function POST(request: Request) {
const knowledgeType = normalizeText(formData.get('knowledgeType'), 30)
const brand = normalizeText(formData.get('brand'), 40)
const productCategoryName = normalizeText(formData.get('productCategoryName'), 80)
uploadId = normalizeText(formData.get('uploadId'), 128)
const existingFilePath = normalizeText(formData.get('existingFilePath'), 4096)
const safeOriginalName = normalizeSafeFileName(normalizeText(formData.get('originalFileName'), 255))
const declaredFileSize = Number(normalizeText(formData.get('fileSize'), 20))
if (!title) return NextResponse.json({ success: false, error: '请填写知识标题' }, { status: 400, headers: PRIVATE_HEADERS })
if (!KNOWLEDGE_TYPES.has(knowledgeType)) return NextResponse.json({ success: false, error: '知识类型不合法' }, { status: 400, headers: PRIVATE_HEADERS })
if (file.size <= 0 || file.size > MAX_FILE_SIZE) return NextResponse.json({ success: false, error: '主文件大小需在 1B 至 1GB 之间' }, { status: 400, headers: PRIVATE_HEADERS })
if (!isSafeUploadId(uploadId) || !existingFilePath) {
return NextResponse.json({ success: false, error: '请先完成知识主文件的分片上传' }, { status: 400, headers: PRIVATE_HEADERS })
}
if (!safeOriginalName) return NextResponse.json({ success: false, error: '文件名不合法' }, { status: 400, headers: PRIVATE_HEADERS })
if (!Number.isSafeInteger(declaredFileSize) || declaredFileSize <= 0 || declaredFileSize > MAX_FILE_SIZE) {
return NextResponse.json({ success: false, error: '主文件大小需在 1B 至 1GB 之间' }, { status: 400, headers: PRIVATE_HEADERS })
}
const extension = path.extname(safeOriginalName).toLowerCase()
if (!ALLOWED_EXTENSIONS.has(extension)) return NextResponse.json({ success: false, error: '文件格式不支持,请参考素材资产库支持的格式' }, { status: 400, headers: PRIVATE_HEADERS })
releaseUploadSessionLock = await acquireTaskMaterialUploadSessionLocks([uploadId])
releaseUploadSessionLock.assertHeld()
const uploadRoot = getUploadRootDir()
const knowledgeDirectory = await ensureSafeDirectoryWithinRoot(uploadRoot, 'brand-knowledge')
if (!knowledgeDirectory) throw new Error('品牌知识存储目录不可用')
const storageName = `source-${uploadId}${extension}`
const destination = resolveStrictChildPath(knowledgeDirectory, storageName)
if (!destination) throw new Error('品牌知识文件路径不可用')
if (!(await isPathFreeOfSymbolicLinks(uploadRoot, destination, { allowMissingLeaf: true }))) throw new Error('品牌知识存储目录不安全')
const storedPath = `uploads/brand-knowledge/${storageName}`
const responseSelect = getKnowledgeResponseSelect(userId)
const replayed = await prisma.brandKnowledge.findFirst({
where: { filePath: storedPath },
select: responseSelect,
})
if (replayed) {
if (
replayed.uploadedBy !== userId
|| replayed.fileName !== safeOriginalName
|| replayed.fileSize !== BigInt(declaredFileSize)
) {
return NextResponse.json(
{ success: false, error: '该上传会话已被其它品牌知识记录使用' },
{ status: 409, headers: PRIVATE_HEADERS },
)
}
await cleanupConsumedUploadSession(uploadId).catch((error) => {
console.warn('[department-dashboard] 品牌知识重放请求清理上传会话失败:', { uploadId, error })
})
return NextResponse.json(
{ success: true, data: serializeKnowledge(replayed), replayed: true },
{ status: 201, headers: PRIVATE_HEADERS },
)
}
const ownedMergedUpload = await resolveOwnedMergedUpload({
existingFilePath,
uploadId,
userId,
})
if (!ownedMergedUpload) {
return NextResponse.json(
{ success: false, error: '上传会话不存在、已失效或不属于当前用户' },
{ status: 403, headers: PRIVATE_HEADERS },
)
}
const seal = await readUploadSessionSeal(uploadId)
if (seal?.state !== 'completed') {
return NextResponse.json(
{ success: false, error: '知识主文件尚未完成分片合并' },
{ status: 409, headers: PRIVATE_HEADERS },
)
}
if (
normalizeSafeFileName(ownedMergedUpload.session.fileName) !== safeOriginalName
|| ownedMergedUpload.session.fileSize !== declaredFileSize
|| ownedMergedUpload.session.uploadPurpose !== 'brand-knowledge'
) {
return NextResponse.json(
{ success: false, error: '知识主文件信息或上传用途与会话不一致' },
{ status: 409, headers: PRIVATE_HEADERS },
)
}
let preparedPreview: Awaited<ReturnType<typeof prepareBrandKnowledgePreview>> | null = null
let preparedUploadedSlices: Awaited<ReturnType<typeof validateBrandKnowledgeUploadedPreviewSlices>> | null = null
@ -254,36 +400,24 @@ export async function POST(request: Request) {
previewImageName = normalizeSafeFileName(normalizeText(formData.get('previewImageName'), 255)) || 'preview.webp'
}
const safeOriginalName = normalizeSafeFileName(file.name)
if (!safeOriginalName) return NextResponse.json({ success: false, error: '文件名不合法' }, { status: 400, headers: PRIVATE_HEADERS })
const extension = path.extname(safeOriginalName).toLowerCase()
if (!ALLOWED_EXTENSIONS.has(extension)) return NextResponse.json({ success: false, error: '文件格式不支持,请参考素材资产库支持的格式' }, { status: 400, headers: PRIVATE_HEADERS })
const uploadRoot = getUploadRootDir()
const knowledgeDirectory = await ensureSafeDirectoryWithinRoot(uploadRoot, 'brand-knowledge')
if (!knowledgeDirectory) throw new Error('品牌知识存储目录不可用')
const storageName = `${randomUUID()}${extension}`
const destination = resolveStrictChildPath(knowledgeDirectory, storageName)
if (!destination) throw new Error('品牌知识文件路径不可用')
if (!(await isPathFreeOfSymbolicLinks(uploadRoot, destination, { allowMissingLeaf: true }))) throw new Error('品牌知识存储目录不安全')
temporaryPath = `${destination}.uploading`
await writeFile(temporaryPath, Buffer.from(await file.arrayBuffer()), { flag: 'wx' })
await rename(temporaryPath, destination)
temporaryPath = null
storedPath = `uploads/brand-knowledge/${storageName}`
await publishMergedUploadByHardLink({
sourcePath: ownedMergedUpload.filePath,
destination,
expectedBytes: declaredFileSize,
})
publishedMainPath = destination
const previewSlices = preparedUploadedSlices
? preparedUploadedSlices.slices.map((slice) => slice.buffer)
: preparedPreview?.slices || []
if (previewSlices.length > 0) {
const previewBatchId = randomUUID()
for (let index = 0; index < previewSlices.length; index += 1) {
const previewStorageName = `${previewBatchId}-part-${String(index + 1).padStart(3, '0')}.webp`
const previewStorageName = `${uploadId}-preview-part-${String(index + 1).padStart(3, '0')}.webp`
const previewDestination = resolveStrictChildPath(knowledgeDirectory, previewStorageName)
if (!previewDestination || !(await isPathFreeOfSymbolicLinks(uploadRoot, previewDestination, { allowMissingLeaf: true }))) {
throw new Error('品牌知识预览图路径不可用')
}
const temporaryPreviewPath = `${previewDestination}.uploading`
const temporaryPreviewPath = `${previewDestination}.uploading-${randomUUID()}`
temporaryPreviewPaths.push(temporaryPreviewPath)
await writeFile(temporaryPreviewPath, previewSlices[index], { flag: 'wx' })
await rename(temporaryPreviewPath, previewDestination)
@ -292,7 +426,10 @@ export async function POST(request: Request) {
}
}
const created = await prisma.brandKnowledge.create({
let created
persistence.outcome = 'not_committed'
try {
created = await prisma.brandKnowledge.create({
data: {
title,
knowledgeType,
@ -300,8 +437,8 @@ export async function POST(request: Request) {
productCategoryName,
fileName: safeOriginalName,
filePath: storedPath,
mimeType: file.type || 'application/octet-stream',
fileSize: BigInt(file.size),
mimeType: String(lookupMimeType(safeOriginalName) || 'application/octet-stream'),
fileSize: BigInt(declaredFileSize),
previewImageName,
previewImagePath: storedPreviewPaths[0] || null,
previewImageSlices: [...storedPreviewPaths],
@ -309,53 +446,53 @@ export async function POST(request: Request) {
previewImageSize: previewSlices.length > 0 ? BigInt(previewSlices[0].length) : null,
uploadedBy: userId,
},
select: {
id: true,
title: true,
knowledgeType: true,
brand: true,
productCategoryName: true,
fileName: true,
mimeType: true,
fileSize: true,
downloadCount: true,
previewImageName: true,
previewImagePath: true,
previewImageMimeType: true,
previewImageSize: true,
createdAt: true,
uploader: { select: { realName: true, username: true } },
likes: { select: { id: true } },
favorites: { select: { id: true } },
_count: { select: { likes: true } },
},
select: responseSelect,
})
storedPath = null
persistence.outcome = 'committed'
} catch (persistenceError) {
let confirmed
try {
confirmed = await prisma.brandKnowledge.findFirst({
where: { filePath: storedPath, uploadedBy: userId },
select: responseSelect,
})
} catch (inspectionError) {
persistence.outcome = 'unknown'
console.error('[department-dashboard] 品牌知识保存异常后无法确认数据库状态:', {
uploadId,
persistenceError,
inspectionError,
})
throw new BrandKnowledgePersistenceUnknownError()
}
if (!confirmed) throw persistenceError
created = confirmed
persistence.outcome = 'committed'
}
publishedMainPath = null
storedPreviewPaths.length = 0
await cleanupConsumedUploadSession(uploadId).catch((error) => {
console.warn('[department-dashboard] 品牌知识已保存但上传会话清理失败:', { uploadId, error })
})
return NextResponse.json({ success: true, data: serializeKnowledge(created) }, { status: 201, headers: PRIVATE_HEADERS })
} catch (error) {
if (temporaryPath) {
await unlink(temporaryPath).catch(() => undefined)
}
if (persistence.outcome !== 'committed' && persistence.outcome !== 'unknown') {
await Promise.all(temporaryPreviewPaths.map((previewPath) => unlink(previewPath).catch(() => undefined)))
if (storedPath) {
try {
const absolute = path.join(getUploadRootDir(), storedPath.replace(/^uploads\//, ''))
await unlink(absolute)
} catch {
// 数据库写入失败时尽力清理孤立文件,不能覆盖原始错误。
}
}
if (publishedMainPath) await unlink(publishedMainPath).catch(() => undefined)
await Promise.all(storedPreviewPaths.map(async (previewPath) => {
try {
const absolute = path.join(getUploadRootDir(), previewPath.replace(/^uploads\//, ''))
await unlink(absolute)
} catch {
// Keep the original error if cleanup of an orphan preview fails.
}
await unlink(absolute).catch(() => undefined)
}))
}
const response = accessErrorResponse(error)
if (response) return response
if (error instanceof BrandKnowledgePersistenceUnknownError) {
return NextResponse.json(
{ success: false, error: error.message, code: 'BRAND_KNOWLEDGE_PERSISTENCE_UNKNOWN' },
{ status: 503, headers: PRIVATE_HEADERS },
)
}
const boundedFailure = getBoundedMultipartFailure(error)
if (boundedFailure) {
return NextResponse.json(
@ -366,6 +503,7 @@ export async function POST(request: Request) {
console.error('[department-dashboard] 品牌知识上传失败:', error)
return NextResponse.json({ success: false, error: '品牌知识上传失败,请稍后重试' }, { status: 500, headers: PRIVATE_HEADERS })
} finally {
await releaseUploadSessionLock?.()
releaseRequestSlot?.()
}
}

View File

@ -43,6 +43,7 @@ jest.mock('crypto', () => ({
function createRequest(body: unknown, options?: { jsonReject?: boolean }) {
return {
headers: { get: jest.fn(() => null) },
json: jest.fn().mockImplementation(() => {
if (options?.jsonReject) {
return Promise.reject(new Error('invalid json'))
@ -159,6 +160,42 @@ describe('/api/materials/upload/init', () => {
)
})
test('品牌知识上传会持久化明确的上传用途', async () => {
const response = await POST(createRequest({
fileName: 'brand-guide.pdf',
fileSize: 2048,
totalChunks: 2,
chunkSize: 1024,
uploadPurpose: 'brand-knowledge',
}))
expect(response.status).toBe(200)
expect(writeFile).toHaveBeenCalledWith(
expect.stringMatching(/meta\.json$/),
expect.stringContaining('"uploadPurpose":"brand-knowledge"'),
'utf-8',
)
expect(saveUploadSession).toHaveBeenCalledWith(
expect.stringContaining('upload-'),
expect.objectContaining({ uploadPurpose: 'brand-knowledge' }),
)
})
test('拒绝未登记的上传用途', async () => {
const response = await POST(createRequest({
fileName: 'brand-guide.pdf',
fileSize: 2048,
totalChunks: 2,
chunkSize: 1024,
uploadPurpose: 'another-workflow',
}))
expect(response.status).toBe(400)
await expect(response.json()).resolves.toEqual({ error: '上传用途无效' })
expect(ensureSafeDirectoryWithinRoot).not.toHaveBeenCalled()
expect(saveUploadSession).not.toHaveBeenCalled()
})
test('拒绝总大小与分片数量不可能对应的伪造会话', async () => {
const response = await POST(createRequest({
fileName: 'forged.psd',

View File

@ -18,6 +18,7 @@ import {
const MEBIBYTE = 1024 * 1024
const GIBIBYTE = 1024 * MEBIBYTE
const MIN_FREE_SPACE_RESERVE_BYTES = 2 * GIBIBYTE
const ALLOWED_UPLOAD_PURPOSES = new Set(['brand-knowledge'])
export async function POST(req: NextRequest) {
try {
@ -41,6 +42,9 @@ export async function POST(req: NextRequest) {
const normalizedFileName = normalizeSafeFileName(rawFileName)
const normalizedFileSize = Number(body?.fileSize)
const normalizedTotalChunks = Number(body?.totalChunks)
const uploadPurpose = typeof body?.uploadPurpose === 'string'
? body.uploadPurpose.trim()
: ''
if (!rawFileName.trim()) {
return NextResponse.json({ error: '文件名不能为空' }, { status: 400 })
@ -48,6 +52,9 @@ export async function POST(req: NextRequest) {
if (!normalizedFileName) {
return NextResponse.json({ error: '文件名包含不安全的路径或字符' }, { status: 400 })
}
if (uploadPurpose && !ALLOWED_UPLOAD_PURPOSES.has(uploadPurpose)) {
return NextResponse.json({ error: '上传用途无效' }, { status: 400 })
}
if (!Number.isSafeInteger(normalizedFileSize) || normalizedFileSize <= 0) {
return NextResponse.json({ error: '上传文件不能为空' }, { status: 400 })
@ -118,6 +125,7 @@ export async function POST(req: NextRequest) {
totalChunks: normalizedTotalChunks,
chunkSize: normalizedChunkSize,
userId,
...(uploadPurpose ? { uploadPurpose } : {}),
createdAt: Date.now(),
}
await writeFile(metaPath, JSON.stringify(metaPayload), 'utf-8')
@ -137,6 +145,7 @@ export async function POST(req: NextRequest) {
_speedSampleAt: now,
_speedSampleBytes: 0,
userId,
...(uploadPurpose ? { uploadPurpose } : {}),
})
console.log(`[UploadInit] Created upload session: ${uploadId}, chunks: ${normalizedTotalChunks}`)

View File

@ -3,12 +3,18 @@ import BrandKnowledgeDashboard from './BrandKnowledgeDashboard'
import { BRAND_KNOWLEDGE_TYPE_OPTIONS } from '@/lib/brand-knowledge-file-types'
const mockPrepareBrandKnowledgePreviewInBrowser = jest.fn()
const mockChunkUpload = jest.fn()
jest.mock('@/lib/brand-knowledge-image-browser', () => ({
prepareBrandKnowledgePreviewInBrowser: (...args: unknown[]) => mockPrepareBrandKnowledgePreviewInBrowser(...args),
canUseBrandKnowledgeLegacyServerPreview: jest.fn(async () => false),
}))
jest.mock('@/lib/chunk-upload', () => ({
chunkUpload: (...args: unknown[]) => mockChunkUpload(...args),
generateFileId: (file: File) => `file-${file.name}-${file.size}-${file.lastModified}`,
}))
jest.mock('next-auth/react', () => ({
useSession: () => ({ data: { user: { name: '本地超级管理员' } } }),
signOut: jest.fn(),
@ -16,9 +22,17 @@ jest.mock('next-auth/react', () => ({
describe('BrandKnowledgeDashboard', () => {
beforeEach(() => {
localStorage.clear()
Object.defineProperty(URL, 'createObjectURL', { configurable: true, value: jest.fn(() => 'blob:test-preview') })
Object.defineProperty(URL, 'revokeObjectURL', { configurable: true, value: jest.fn() })
Object.defineProperty(navigator, 'clipboard', { configurable: true, value: { writeText: jest.fn().mockResolvedValue(undefined) } })
mockChunkUpload.mockReset()
mockChunkUpload.mockResolvedValue({
uploadId: 'upload-knowledge-1',
existingFilePath: '/uploads/temp/upload-knowledge-1/merged-brand-guide.pdf',
fileName: 'brand-guide.pdf',
fileSize: 12,
})
mockPrepareBrandKnowledgePreviewInBrowser.mockResolvedValue([
{
file: new File(['slice one'], '预览图-001.webp', { type: 'image/webp' }),
@ -281,11 +295,26 @@ describe('BrandKnowledgeDashboard', () => {
expect(screen.getByRole('button', { name: '提交知识' })).toBeEnabled()
fireEvent.click(screen.getByRole('button', { name: '提交知识' }))
await waitFor(() => expect(fetchMock).toHaveBeenCalledWith('/api/department-dashboard/brand-knowledge', expect.objectContaining({ method: 'POST', body: expect.any(FormData) })))
expect(mockChunkUpload).toHaveBeenCalledWith(
knowledgeFile,
{ uploadPurpose: 'brand-knowledge' },
expect.objectContaining({
maxRetries: 5,
onProgress: expect.any(Function),
onStageChange: expect.any(Function),
isCancelled: expect.any(Function),
onActiveXhrChange: expect.any(Function),
}),
)
const postCall = fetchMock.mock.calls.find(([, init]) => init?.method === 'POST')
expect(postCall).toBeDefined()
const submittedFormData = postCall?.[1]?.body as FormData
expect(submittedFormData.get('productCategoryName')).toBe('床类')
expect(submittedFormData.get('file')).toBe(knowledgeFile)
expect(submittedFormData.get('file')).toBeNull()
expect(submittedFormData.get('uploadId')).toBe('upload-knowledge-1')
expect(submittedFormData.get('existingFilePath')).toBe('/uploads/temp/upload-knowledge-1/merged-brand-guide.pdf')
expect(submittedFormData.get('originalFileName')).toBe('品牌手册.pdf')
expect(submittedFormData.get('fileSize')).toBe(String(knowledgeFile.size))
expect(submittedFormData.get('previewImage')).toBeNull()
expect(submittedFormData.get('previewImageName')).toBe('预览图.png')
expect(submittedFormData.get('previewImageSliceCount')).toBe('2')
@ -294,8 +323,7 @@ describe('BrandKnowledgeDashboard', () => {
'预览图-002.webp',
])
fireEvent.click(screen.getByRole('button', { name: '关闭上传知识窗口' }))
expect(screen.queryByRole('dialog', { name: '上传知识' })).not.toBeInTheDocument()
await waitFor(() => expect(screen.queryByRole('dialog', { name: '上传知识' })).not.toBeInTheDocument())
expect(uploadButton).toHaveFocus()
})
@ -321,4 +349,147 @@ describe('BrandKnowledgeDashboard', () => {
expect(screen.getByRole('status')).toHaveTextContent('图片高度不超过 3000px,已保留为单张预览')
expect(screen.queryByText(/已切为 1 片/)).not.toBeInTheDocument()
})
it.each([
[413, '上传内容超过服务器允许大小(413)'],
[429, '当前上传任务较多(429)'],
[502, '上传服务网关异常(502)'],
[503, '上传服务暂不可用(503)'],
[504, '服务器处理超时(504)'],
])('shows an actionable message for a non-JSON %i upload response', async (status, expectedMessage) => {
const fetchMock = global.fetch as jest.Mock
fetchMock.mockImplementation((input: RequestInfo | URL, init?: RequestInit) => {
if (String(input) === '/api/product-categories') {
return Promise.resolve({ ok: true, json: async () => [] } as Response)
}
if (init?.method === 'POST') {
return Promise.resolve({
ok: false,
status,
json: async () => { throw new Error('non-JSON upstream response') },
} as unknown as Response)
}
return Promise.resolve({ ok: true, json: async () => ({ success: true, data: [] }) } as Response)
})
render(<BrandKnowledgeDashboard />)
fireEvent.click(screen.getByRole('button', { name: '上传知识' }))
fireEvent.change(screen.getByLabelText('知识标题'), { target: { value: '品牌手册' } })
fireEvent.change(screen.getByLabelText('选择知识文件'), {
target: { files: [new File(['guide'], '品牌手册.pdf', { type: 'application/pdf' })] },
})
fireEvent.click(screen.getByRole('button', { name: '提交知识' }))
expect(await screen.findByRole('alert')).toHaveTextContent(expectedMessage)
expect(screen.getByRole('button', { name: '重新上传' })).toBeEnabled()
})
it('retries finalize without uploading the completed main file again', async () => {
const fetchMock = global.fetch as jest.Mock
let postCount = 0
fetchMock.mockImplementation((input: RequestInfo | URL, init?: RequestInit) => {
if (String(input) === '/api/product-categories') {
return Promise.resolve({ ok: true, json: async () => [] } as Response)
}
if (init?.method === 'POST') {
postCount += 1
if (postCount === 1) {
return Promise.resolve({
ok: false,
status: 504,
json: async () => { throw new Error('gateway timeout') },
} as unknown as Response)
}
return Promise.resolve({ ok: true, status: 201, json: async () => ({ success: true, data: {} }) } as Response)
}
return Promise.resolve({ ok: true, json: async () => ({ success: true, data: [] }) } as Response)
})
render(<BrandKnowledgeDashboard />)
fireEvent.click(screen.getByRole('button', { name: '上传知识' }))
fireEvent.change(screen.getByLabelText('知识标题'), { target: { value: '品牌手册' } })
fireEvent.change(screen.getByLabelText('选择知识文件'), {
target: { files: [new File(['guide'], '品牌手册.pdf', { type: 'application/pdf' })] },
})
fireEvent.click(screen.getByRole('button', { name: '提交知识' }))
expect(await screen.findByText(/服务器处理超时(504)/)).toBeInTheDocument()
fireEvent.click(screen.getByRole('button', { name: '重新上传' }))
await waitFor(() => expect(screen.queryByRole('dialog', { name: '上传知识' })).not.toBeInTheDocument())
expect(mockChunkUpload).toHaveBeenCalledTimes(1)
expect(postCount).toBe(2)
})
it('restores a completed main-file upload after remount and removes it after successful creation', async () => {
const fetchMock = global.fetch as jest.Mock
let finalizeCount = 0
fetchMock.mockImplementation((input: RequestInfo | URL, init?: RequestInit) => {
if (String(input) === '/api/product-categories') {
return Promise.resolve({ ok: true, json: async () => [] } as Response)
}
if (init?.method === 'POST') {
finalizeCount += 1
if (finalizeCount === 1) {
return Promise.resolve({
ok: false,
status: 504,
json: async () => { throw new Error('gateway timeout') },
} as unknown as Response)
}
return Promise.resolve({ ok: true, status: 201, json: async () => ({ success: true, data: {} }) } as Response)
}
return Promise.resolve({ ok: true, json: async () => ({ success: true, data: [] }) } as Response)
})
const file = new File(['guide'], '品牌手册.pdf', {
type: 'application/pdf',
lastModified: 123456,
})
const firstRender = render(<BrandKnowledgeDashboard />)
fireEvent.click(screen.getByRole('button', { name: '上传知识' }))
fireEvent.change(screen.getByLabelText('知识标题'), { target: { value: '品牌手册' } })
fireEvent.change(screen.getByLabelText('选择知识文件'), { target: { files: [file] } })
fireEvent.click(screen.getByRole('button', { name: '提交知识' }))
expect(await screen.findByText(/服务器处理超时(504)/)).toBeInTheDocument()
expect(localStorage.length).toBe(1)
firstRender.unmount()
render(<BrandKnowledgeDashboard />)
fireEvent.click(screen.getByRole('button', { name: '上传知识' }))
fireEvent.change(screen.getByLabelText('知识标题'), { target: { value: '品牌手册' } })
fireEvent.change(screen.getByLabelText('选择知识文件'), { target: { files: [file] } })
expect(within(screen.getByRole('dialog', { name: '上传知识' })).getByRole('status')).toHaveTextContent('已恢复这个文件完成的分片上传')
fireEvent.click(screen.getByRole('button', { name: '提交知识' }))
await waitFor(() => expect(screen.queryByRole('dialog', { name: '上传知识' })).not.toBeInTheDocument())
expect(mockChunkUpload).toHaveBeenCalledTimes(1)
expect(finalizeCount).toBe(2)
expect(localStorage.length).toBe(0)
})
it('shows chunk progress and aborts active requests when the user cancels', async () => {
const abort = jest.fn()
mockChunkUpload.mockImplementation((_file, _metadata, options) => new Promise((_resolve, reject) => {
abort.mockImplementation(() => reject(new Error('上传已取消')))
options.onProgress(37, 2 * 1024 * 1024)
options.onActiveXhrChange(new Set([{ abort }]))
}))
render(<BrandKnowledgeDashboard />)
fireEvent.click(screen.getByRole('button', { name: '上传知识' }))
fireEvent.change(screen.getByLabelText('知识标题'), { target: { value: '品牌手册' } })
fireEvent.change(screen.getByLabelText('选择知识文件'), {
target: { files: [new File(['guide'], '品牌手册.pdf', { type: 'application/pdf' })] },
})
fireEvent.click(screen.getByRole('button', { name: '提交知识' }))
const progress = await screen.findByRole('progressbar', { name: '主文件上传进度' })
expect(progress).toHaveAttribute('aria-valuenow', '37')
expect(progress).toHaveTextContent('2.0 MB/s')
fireEvent.click(screen.getByRole('button', { name: '取消上传' }))
expect(abort).toHaveBeenCalledTimes(1)
expect(await screen.findByRole('alert')).toHaveTextContent('上传已取消')
expect(screen.getByRole('button', { name: '重新上传' })).toBeEnabled()
})
})

View File

@ -1,7 +1,7 @@
'use client'
import Image from 'next/image'
import { useEffect, useRef, useState, type DragEvent, type RefObject } from 'react'
import { useCallback, useEffect, useRef, useState, type DragEvent, type RefObject } from 'react'
import { AlertCircle, FileText, FolderOpen, ImagePlus, Upload, X } from 'lucide-react'
import {
BRAND_KNOWLEDGE_MAIN_FILE_ACCEPT,
@ -17,6 +17,7 @@ import {
canUseBrandKnowledgeLegacyServerPreview,
type BrandKnowledgeBrowserPreviewSlice,
} from '@/lib/brand-knowledge-image-browser'
import { chunkUpload, generateFileId } from '@/lib/chunk-upload'
import { isPerformanceSurveyBrowserCapabilityError } from '@/lib/performance-survey-image-error'
const MAX_MAIN_FILE_SIZE = BRAND_KNOWLEDGE_MAX_MAIN_FILE_BYTES
@ -25,6 +26,78 @@ const PREVIEW_EXTENSIONS = new Set(['jpg', 'jpeg', 'png', 'webp'])
interface ProductCategory { id: string; name: string }
interface CompletedChunkUpload {
uploadId: string
existingFilePath: string
originalFileName: string
fileSize: number
}
interface PersistedCompletedChunkUpload extends CompletedChunkUpload {
completedAt: number
}
const COMPLETED_UPLOAD_STORAGE_PREFIX = 'brand-knowledge-completed-upload:v1:'
const COMPLETED_UPLOAD_MAX_AGE_MS = 24 * 60 * 60 * 1000
function completedUploadStorageKey(file: File) {
return `${COMPLETED_UPLOAD_STORAGE_PREFIX}${generateFileId(file)}`
}
function removePersistedCompletedUpload(file: File) {
try {
localStorage.removeItem(completedUploadStorageKey(file))
} catch {
// Browser storage can be unavailable in private or restricted contexts.
}
}
function persistCompletedUpload(file: File, upload: CompletedChunkUpload) {
try {
localStorage.setItem(completedUploadStorageKey(file), JSON.stringify({
...upload,
completedAt: Date.now(),
} satisfies PersistedCompletedChunkUpload))
} catch {
// Upload can still finish in the current dialog when storage is unavailable.
}
}
function restorePersistedCompletedUpload(file: File): CompletedChunkUpload | null {
try {
const key = completedUploadStorageKey(file)
const raw = localStorage.getItem(key)
if (!raw) return null
const parsed = JSON.parse(raw) as Partial<PersistedCompletedChunkUpload>
const valid = typeof parsed.uploadId === 'string'
&& /^upload-[A-Za-z0-9_-]+$/.test(parsed.uploadId)
&& typeof parsed.existingFilePath === 'string'
&& parsed.existingFilePath.length > 0
&& parsed.originalFileName === file.name
&& parsed.fileSize === file.size
&& typeof parsed.completedAt === 'number'
&& Date.now() - parsed.completedAt >= 0
&& Date.now() - parsed.completedAt <= COMPLETED_UPLOAD_MAX_AGE_MS
if (!valid) {
localStorage.removeItem(key)
return null
}
return {
uploadId: parsed.uploadId!,
existingFilePath: parsed.existingFilePath!,
originalFileName: parsed.originalFileName!,
fileSize: parsed.fileSize!,
}
} catch {
removePersistedCompletedUpload(file)
return null
}
}
interface UploadError extends Error {
status?: number
}
interface BrandKnowledgeUploadDialogProps {
onClose: () => void
onUploaded: () => void | Promise<void>
@ -41,6 +114,40 @@ function extensionOf(file: File) {
return file.name.split('.').pop()?.toLowerCase() || ''
}
function formatUploadSpeed(bytesPerSecond: number | null) {
if (!bytesPerSecond || bytesPerSecond <= 0) return ''
return `${formatFileSize(bytesPerSecond)}/s`
}
function uploadErrorMessage(status: number, serverMessage?: string) {
if (status === 413) return '上传内容超过服务器允许大小(413)。请移除预览图后重试,或联系管理员检查上传限制。'
if (status === 429) return '当前上传任务较多(429),请稍后点击“重新上传”。'
if (status === 502) return '上传服务网关异常(502),请稍后点击“重新上传”。'
if (status === 503) return '上传服务暂不可用(503),请稍后点击“重新上传”。'
if (status === 504) return '服务器处理超时(504),请稍后点击“重新上传”。'
return serverMessage || '品牌知识上传失败,请稍后重试'
}
async function assertUploadResponse(response: Response) {
const payload = await response.json().catch(() => null)
if (response.ok && payload?.success) return
const error = new Error(uploadErrorMessage(response.status, payload?.error)) as UploadError
error.status = response.status
throw error
}
function thrownUploadErrorMessage(error: unknown, wasCancelled: boolean) {
if (wasCancelled || (error instanceof Error && (error.name === 'AbortError' || error.message === '上传已取消'))) {
return '上传已取消。文件和表单信息已保留,可点击“重新上传”。'
}
const status = error && typeof error === 'object' && 'status' in error
? Number((error as UploadError).status)
: 0
if (status > 0) return uploadErrorMessage(status, error instanceof Error ? error.message : undefined)
if (error instanceof TypeError) return '网络连接中断,请检查网络后点击“重新上传”。'
return error instanceof Error ? error.message : '品牌知识上传失败,请稍后重试'
}
export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, returnFocusRef }: BrandKnowledgeUploadDialogProps) {
const [knowledgeType, setKnowledgeType] = useState<string>(BRAND_KNOWLEDGE_TYPE_OPTIONS[0])
const [title, setTitle] = useState('')
@ -56,6 +163,9 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
const [isDragging, setIsDragging] = useState(false)
const [isPreviewDragging, setIsPreviewDragging] = useState(false)
const [isUploading, setIsUploading] = useState(false)
const [uploadProgress, setUploadProgress] = useState<number | null>(null)
const [uploadSpeed, setUploadSpeed] = useState<number | null>(null)
const [uploadStageMessage, setUploadStageMessage] = useState('')
const [errorMessage, setErrorMessage] = useState('')
const dialogRef = useRef<HTMLDivElement>(null)
const closeButtonRef = useRef<HTMLButtonElement>(null)
@ -65,6 +175,28 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
const previewDragDepthRef = useRef(0)
const previewProcessingAbortRef = useRef<AbortController | null>(null)
const previewProcessingVersionRef = useRef(0)
const submitAbortRef = useRef<AbortController | null>(null)
const activeUploadXhrsRef = useRef<Set<XMLHttpRequest>>(new Set())
const uploadCancelledRef = useRef(false)
const isUploadActiveRef = useRef(false)
const completedChunkUploadRef = useRef<CompletedChunkUpload | null>(null)
const cancelActiveUpload = useCallback(() => {
if (!isUploadActiveRef.current) return
uploadCancelledRef.current = true
submitAbortRef.current?.abort()
activeUploadXhrsRef.current.forEach((xhr) => xhr.abort())
activeUploadXhrsRef.current.clear()
setUploadStageMessage('正在取消上传…')
}, [])
const requestClose = useCallback(() => {
if (isUploadActiveRef.current) {
cancelActiveUpload()
return
}
onClose()
}, [cancelActiveUpload, onClose])
useEffect(() => {
const previousOverflow = document.body.style.overflow
@ -75,7 +207,7 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
const handleKeyDown = (event: KeyboardEvent) => {
if (event.key === 'Escape') {
event.preventDefault()
onClose()
requestClose()
return
}
if (event.key !== 'Tab' || !dialogRef.current) return
@ -92,11 +224,14 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
document.addEventListener('keydown', handleKeyDown)
return () => {
previewProcessingAbortRef.current?.abort()
submitAbortRef.current?.abort()
activeUploadXhrsRef.current.forEach((xhr) => xhr.abort())
activeUploadXhrsRef.current.clear()
document.body.style.overflow = previousOverflow
document.removeEventListener('keydown', handleKeyDown)
returnFocusElement?.focus()
}
}, [onClose, returnFocusRef])
}, [requestClose, returnFocusRef])
useEffect(() => {
let cancelled = false
@ -114,6 +249,7 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
}, [previewUrl])
const setFile = (file: File | undefined) => {
if (isUploadActiveRef.current) return
if (!file) return
if (!BRAND_KNOWLEDGE_MAIN_FILE_ACCEPT.split(',').includes(`.${extensionOf(file)}`)) {
setErrorMessage(`主文件格式不支持,请上传${BRAND_KNOWLEDGE_MAIN_FILE_LABEL}`)
@ -123,11 +259,17 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
setErrorMessage('主文件需为 1B 至 1GB 之间的有效文件')
return
}
const restoredUpload = restorePersistedCompletedUpload(file)
completedChunkUploadRef.current = restoredUpload
setUploadProgress(null)
setUploadSpeed(null)
setUploadStageMessage(restoredUpload ? '已恢复这个文件完成的分片上传,提交时将直接保存知识信息' : '')
setErrorMessage('')
setSelectedFile(file)
}
const setPreview = async (file: File | undefined) => {
if (isUploadActiveRef.current) return
if (!file) return
const extension = extensionOf(file)
if (!PREVIEW_EXTENSIONS.has(extension) || (file.type && !['image/jpeg', 'image/png', 'image/webp'].includes(file.type))) {
@ -180,6 +322,7 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
}
const removePreview = () => {
if (isUploadActiveRef.current) return
previewProcessingVersionRef.current += 1
previewProcessingAbortRef.current?.abort()
previewProcessingAbortRef.current = null
@ -191,6 +334,16 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
setErrorMessage('')
}
const removeFile = () => {
if (isUploadActiveRef.current) return
if (selectedFile) removePersistedCompletedUpload(selectedFile)
completedChunkUploadRef.current = null
setSelectedFile(null)
setUploadProgress(null)
setUploadStageMessage('')
setErrorMessage('')
}
const handleDragEnter = (event: DragEvent<HTMLDivElement>) => { event.preventDefault(); dragDepthRef.current += 1; setIsDragging(true) }
const handleDragLeave = (event: DragEvent<HTMLDivElement>) => { event.preventDefault(); dragDepthRef.current -= 1; if (dragDepthRef.current <= 0) { dragDepthRef.current = 0; setIsDragging(false) } }
const handlePreviewDragEnter = (event: DragEvent<HTMLDivElement>) => { event.preventDefault(); previewDragDepthRef.current += 1; setIsPreviewDragging(true) }
@ -199,15 +352,61 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
const handleSubmit = async () => {
if (isUploading || !selectedFile || !title.trim()
|| (previewImage && previewSlices.length === 0 && !previewUsesServerFallback)) return
uploadCancelledRef.current = false
isUploadActiveRef.current = true
setIsUploading(true)
setUploadProgress(0)
setUploadSpeed(null)
setUploadStageMessage('正在分片上传主文件…')
setErrorMessage('')
try {
let completedChunkUpload = completedChunkUploadRef.current
if (completedChunkUpload
&& (completedChunkUpload.originalFileName !== selectedFile.name || completedChunkUpload.fileSize !== selectedFile.size)) {
completedChunkUpload = null
completedChunkUploadRef.current = null
}
if (!completedChunkUpload) {
const result = await chunkUpload(selectedFile, { uploadPurpose: 'brand-knowledge' }, {
maxRetries: 5,
onProgress: (progress, speed) => {
setUploadProgress(Math.max(0, Math.min(100, Math.round(progress))))
setUploadSpeed(speed || null)
},
onStageChange: (stage) => {
setUploadStageMessage(stage === 'processing' ? '主文件已上传,正在合并分片…' : '正在分片上传主文件…')
},
isCancelled: () => uploadCancelledRef.current,
onActiveXhrChange: (xhrs) => {
activeUploadXhrsRef.current = new Set(xhrs)
},
})
const uploadId = String(result?.uploadId || '').trim()
const existingFilePath = String(result?.existingFilePath || '').trim()
if (!uploadId || !existingFilePath) throw new Error('分片上传结果不完整,请点击“重新上传”')
completedChunkUpload = {
uploadId,
existingFilePath,
originalFileName: selectedFile.name,
fileSize: selectedFile.size,
}
completedChunkUploadRef.current = completedChunkUpload
persistCompletedUpload(selectedFile, completedChunkUpload)
}
if (uploadCancelledRef.current) throw new Error('上传已取消')
const formData = new FormData()
formData.set('title', title.trim())
formData.set('knowledgeType', knowledgeType)
formData.set('brand', brand)
formData.set('productCategoryName', productCategoryName)
formData.set('file', selectedFile)
if (completedChunkUpload) {
formData.set('uploadId', completedChunkUpload.uploadId)
formData.set('existingFilePath', completedChunkUpload.existingFilePath)
formData.set('originalFileName', completedChunkUpload.originalFileName)
formData.set('fileSize', String(completedChunkUpload.fileSize))
}
if (previewImage) {
if (previewUsesServerFallback) {
formData.set('previewImage', previewImage)
@ -217,35 +416,65 @@ export default function BrandKnowledgeUploadDialog({ onClose, onUploaded, return
previewSlices.forEach((slice) => formData.append('previewImageSlices', slice.file))
}
}
const response = await fetch('/api/department-dashboard/brand-knowledge', { method: 'POST', body: formData })
const payload = await response.json().catch(() => null)
if (!response.ok || !payload?.success) throw new Error(payload?.error || '品牌知识上传失败,请稍后重试')
setUploadStageMessage(completedChunkUpload ? '主文件已上传,正在保存知识信息…' : '正在保存知识信息…')
if (completedChunkUpload) setUploadProgress(100)
setUploadSpeed(null)
const controller = new AbortController()
submitAbortRef.current = controller
const response = await fetch('/api/department-dashboard/brand-knowledge', {
method: 'POST',
body: formData,
signal: controller.signal,
})
await assertUploadResponse(response)
removePersistedCompletedUpload(selectedFile)
completedChunkUploadRef.current = null
await onUploaded()
onClose()
} catch (error) {
setErrorMessage(error instanceof Error ? error.message : '品牌知识上传失败,请稍后重试')
const status = error && typeof error === 'object' && 'status' in error
? Number((error as UploadError).status)
: 0
if (selectedFile && (status === 403 || status === 409)) {
removePersistedCompletedUpload(selectedFile)
completedChunkUploadRef.current = null
}
setErrorMessage(thrownUploadErrorMessage(error, uploadCancelledRef.current))
setUploadStageMessage('')
} finally {
isUploadActiveRef.current = false
submitAbortRef.current = null
activeUploadXhrsRef.current.clear()
setIsUploading(false)
setUploadSpeed(null)
}
}
const uploadSpeedLabel = formatUploadSpeed(uploadSpeed)
const statusMessage = errorMessage
|| uploadStageMessage
|| previewProgress
|| '文件和预览图将独立保存,不会写入素材资产库'
return (
<div className="fixed inset-0 z-50 flex items-center justify-center bg-[#06192d]/45 p-4 sm:p-6" onMouseDown={(event) => { if (event.target === event.currentTarget) onClose() }}>
<div className="fixed inset-0 z-50 flex items-center justify-center bg-[#06192d]/45 p-4 sm:p-6" onMouseDown={(event) => { if (event.target === event.currentTarget) requestClose() }}>
<div ref={dialogRef} role="dialog" aria-modal="true" aria-labelledby="brand-knowledge-upload-title" aria-describedby="brand-knowledge-upload-status" className="flex max-h-[calc(100dvh-2rem)] w-full max-w-2xl flex-col overflow-hidden rounded-xl border border-[#e2e8f0] bg-white shadow-[0_24px_56px_rgba(6,25,45,0.22)] sm:max-h-[calc(100dvh-3rem)]">
<header className="shrink-0 border-b border-[#e2e8f0] px-5 py-5 sm:px-8 sm:py-6"><div className="flex items-start justify-between gap-5"><div className="min-w-0"><h2 id="brand-knowledge-upload-title" className="text-xl font-bold text-[#101828] sm:text-2xl">上传知识</h2><p className="mt-2 text-sm leading-6 text-[#66758b]">补充知识类型、品牌、品类和预览图,提交后独立保存到品牌知识库。</p></div><button ref={closeButtonRef} type="button" onClick={onClose} aria-label="关闭上传知识窗口" title="关闭" className="inline-flex h-11 w-11 shrink-0 items-center justify-center rounded-lg text-[#66758b] transition-colors hover:bg-[#f2f4f7] hover:text-[#101828] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><X className="h-5 w-5" aria-hidden="true" /></button></div></header>
<header className="shrink-0 border-b border-[#e2e8f0] px-5 py-5 sm:px-8 sm:py-6"><div className="flex items-start justify-between gap-5"><div className="min-w-0"><h2 id="brand-knowledge-upload-title" className="text-xl font-bold text-[#101828] sm:text-2xl">上传知识</h2><p className="mt-2 text-sm leading-6 text-[#66758b]">补充知识类型、品牌、品类和预览图,提交后独立保存到品牌知识库。</p></div><button ref={closeButtonRef} type="button" onClick={requestClose} aria-label={isUploading ? '取消当前上传' : '关闭上传知识窗口'} title={isUploading ? '取消上传' : '关闭'} className="inline-flex h-11 w-11 shrink-0 items-center justify-center rounded-lg text-[#66758b] transition-colors hover:bg-[#f2f4f7] hover:text-[#101828] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><X className="h-5 w-5" aria-hidden="true" /></button></div></header>
<div className="min-h-0 flex-1 space-y-5 overflow-y-auto px-5 py-6 sm:px-8">
<div id="brand-knowledge-upload-status" role="status" aria-live="polite" className={`flex gap-3 rounded-lg px-4 py-3 text-sm ${errorMessage ? 'border border-[#f4c7c3] bg-[#fff2f0] text-[#b42318]' : 'border border-[#b8e5d5] bg-[#f0fbf6] text-[#087052]'}`}><AlertCircle className="mt-0.5 h-5 w-5 shrink-0" aria-hidden="true" /><div><p className="font-semibold">{errorMessage || previewProgress || '文件和预览图将独立保存,不会写入素材资产库'}</p>{!errorMessage && !previewProgress && <p className="mt-1 leading-5">主文件支持{BRAND_KNOWLEDGE_MAIN_FILE_LABEL},单个主文件不超过 1GB;预览图支持 JPG、PNG、WebP,不超过 50MB,长图会自动切片并连续展示。</p>}</div></div>
<div id="brand-knowledge-upload-status" role={errorMessage ? 'alert' : 'status'} aria-live={errorMessage ? 'assertive' : 'polite'} className={`flex gap-3 rounded-lg px-4 py-3 text-sm ${errorMessage ? 'border border-[#f4c7c3] bg-[#fff2f0] text-[#b42318]' : 'border border-[#b8e5d5] bg-[#f0fbf6] text-[#087052]'}`}><AlertCircle className="mt-0.5 h-5 w-5 shrink-0" aria-hidden="true" /><div className="min-w-0"><p className="break-words font-semibold">{statusMessage}</p>{!errorMessage && !uploadStageMessage && !previewProgress && <p className="mt-1 leading-5">主文件支持{BRAND_KNOWLEDGE_MAIN_FILE_LABEL},单个主文件不超过 1GB;预览图支持 JPG、PNG、WebP,不超过 50MB,长图会自动切片并连续展示。</p>}</div></div>
{isUploading && uploadProgress !== null && <div className="space-y-2" role="progressbar" aria-label="主文件上传进度" aria-valuemin={0} aria-valuemax={100} aria-valuenow={uploadProgress} aria-valuetext={`${uploadProgress}%${uploadSpeedLabel ? `,${uploadSpeedLabel}` : ''}`}><div className="flex items-center justify-between gap-4 text-sm text-[#4f6077]"><span>主文件上传进度</span><span className="shrink-0 tabular-nums">{uploadProgress}%{uploadSpeedLabel ? ` · ${uploadSpeedLabel}` : ''}</span></div><div className="h-2 overflow-hidden rounded-full bg-[#e2e8f0]"><div className="h-full rounded-full bg-[#247fd3] transition-[width] duration-200" style={{ width: `${uploadProgress}%` }} /></div></div>}
<div className="grid gap-5 sm:grid-cols-2"><label className="block"><span className="mb-2 block text-sm font-semibold text-[#101828]">知识类型</span><select value={knowledgeType} onChange={(event) => setKnowledgeType(event.currentTarget.value)} className="h-11 w-full rounded-lg border border-[#e2e8f0] bg-white px-3 text-sm text-[#101828] outline-none transition-colors focus:border-[#1677ff] focus-visible:ring-2 focus-visible:ring-[#1677ff]/20">{BRAND_KNOWLEDGE_TYPE_OPTIONS.map((option) => <option key={option}>{option}</option>)}</select></label><label className="block"><span className="mb-2 block text-sm font-semibold text-[#101828]">关联品牌 <span className="font-normal text-[#66758b]">(可选)</span></span><select value={brand} onChange={(event) => setBrand(event.currentTarget.value)} className="h-11 w-full rounded-lg border border-[#e2e8f0] bg-white px-3 text-sm text-[#101828] outline-none transition-colors focus:border-[#1677ff] focus-visible:ring-2 focus-visible:ring-[#1677ff]/20">{BRAND_KNOWLEDGE_BRAND_OPTIONS.map((option) => <option key={option}>{option}</option>)}</select></label></div>
<div className="grid gap-5 sm:grid-cols-2"><label className="block"><span className="mb-2 block text-sm font-semibold text-[#101828]">品类 <span className="font-normal text-[#66758b]">(可选)</span></span><select value={productCategoryName} onChange={(event) => setProductCategoryName(event.currentTarget.value)} className="h-11 w-full rounded-lg border border-[#e2e8f0] bg-white px-3 text-sm text-[#101828] outline-none transition-colors focus:border-[#1677ff] focus-visible:ring-2 focus-visible:ring-[#1677ff]/20"><option value="">不选择品类</option>{productCategories.map((category) => <option key={category.id} value={category.name}>{category.name}</option>)}</select><span className="mt-2 block text-xs text-[#8a99ad]">品类列表与素材资产库保持一致</span></label><label className="block"><span className="mb-2 block text-sm font-semibold text-[#101828]">知识标题</span><input type="text" value={title} onChange={(event) => setTitle(event.currentTarget.value)} placeholder="例如:索菲亚新品场景图文规范" className="h-11 w-full rounded-lg border border-[#e2e8f0] bg-white px-3 text-sm text-[#101828] outline-none transition-colors placeholder:text-[#8a99ad] focus:border-[#1677ff] focus-visible:ring-2 focus-visible:ring-[#1677ff]/20" /></label></div>
<section aria-labelledby="brand-knowledge-preview-label"><div className="mb-2 flex items-center justify-between gap-3"><h3 id="brand-knowledge-preview-label" className="text-sm font-semibold text-[#101828]">预览图片 <span className="font-normal text-[#66758b]">(可选)</span></h3>{previewImage && <button type="button" onClick={removePreview} className="text-sm font-semibold text-[#b42318] hover:text-[#8f1d15] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#b42318] focus-visible:ring-offset-2">移除图片</button>}</div><div onDragEnter={handlePreviewDragEnter} onDragOver={(event) => event.preventDefault()} onDragLeave={handlePreviewDragLeave} onDrop={(event) => { event.preventDefault(); previewDragDepthRef.current = 0; setIsPreviewDragging(false); void setPreview(event.dataTransfer.files[0]) }} className={`rounded-xl border border-dashed p-4 transition-colors ${isPreviewDragging ? 'border-[#1677ff] bg-[#e6f4ff]' : 'border-[#cbd5e1] bg-[#f8fafc]'}`}><input ref={previewInputRef} type="file" aria-label="选择预览图片" accept={BRAND_KNOWLEDGE_PREVIEW_IMAGE_ACCEPT} onChange={(event) => { const file = event.currentTarget.files?.[0]; event.currentTarget.value = ''; void setPreview(file) }} className="sr-only" />{previewImage ? <div className="flex items-center gap-4"><div className="relative flex h-28 w-40 shrink-0 items-center justify-center overflow-hidden rounded-lg border border-[#e2e8f0] bg-white">{previewUrl ? <Image src={previewUrl} alt={`预览图:${previewImage.name}`} fill unoptimized className="object-contain object-center" /> : <ImagePlus className="h-6 w-6 text-[#8a99ad]" aria-hidden="true" />}</div><div className="min-w-0"><p className="break-all text-sm font-semibold text-[#101828]">{previewImage.name}</p><p className="mt-1 text-sm text-[#66758b]">{formatFileSize(previewImage.size)} · {previewSlices.length === 1 ? '单张预览' : previewSlices.length > 1 ? `已切为 ${previewSlices.length} 片` : previewUsesServerFallback ? '将在服务器生成预览' : '正在生成安全预览'}</p><button type="button" onClick={() => previewInputRef.current?.click()} disabled={Boolean(previewProgress && previewSlices.length === 0 && !previewUsesServerFallback)} className="mt-3 inline-flex min-h-10 items-center gap-2 rounded-lg border border-[#cbd5e1] bg-white px-4 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] disabled:cursor-not-allowed disabled:opacity-55 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><FolderOpen className="h-4 w-4" aria-hidden="true" />更换图片</button></div></div> : <div className="flex flex-col items-center py-4 text-center"><span className="flex h-10 w-10 items-center justify-center rounded-lg bg-white text-[#247fd3] shadow-sm"><ImagePlus className="h-5 w-5" aria-hidden="true" /></span><p className="mt-3 text-sm font-semibold text-[#101828]">拖放预览图片到这里,或选择图片</p><p className="mt-1 text-sm text-[#66758b]">支持 JPG、PNG、WebP,单张不超过 50MB</p><button type="button" onClick={() => previewInputRef.current?.click()} className="mt-4 inline-flex min-h-10 items-center gap-2 rounded-lg border border-[#cbd5e1] bg-white px-4 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><FolderOpen className="h-4 w-4" aria-hidden="true" />选择图片</button></div>}</div></section>
<section aria-labelledby="brand-knowledge-file-label"><div className="mb-2 flex items-center justify-between gap-3"><h3 id="brand-knowledge-file-label" className="text-sm font-semibold text-[#101828]">知识文件</h3>{selectedFile && <button type="button" onClick={() => setSelectedFile(null)} className="text-sm font-semibold text-[#b42318] hover:text-[#8f1d15] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#b42318] focus-visible:ring-offset-2">移除文件</button>}</div><div onDragEnter={handleDragEnter} onDragOver={(event) => event.preventDefault()} onDragLeave={handleDragLeave} onDrop={(event) => { event.preventDefault(); dragDepthRef.current = 0; setIsDragging(false); setFile(event.dataTransfer.files[0]) }} className={`rounded-xl border border-dashed p-6 text-center transition-colors sm:p-8 ${isDragging ? 'border-[#1677ff] bg-[#e6f4ff]' : 'border-[#cbd5e1] bg-[#f8fafc]'}`}><input ref={fileInputRef} id="brand-knowledge-file" aria-label="选择知识文件" type="file" accept={BRAND_KNOWLEDGE_MAIN_FILE_ACCEPT} onChange={(event) => setFile(event.currentTarget.files?.[0])} className="sr-only" />{selectedFile ? <div className="flex flex-col items-center"><span className="flex h-10 w-10 items-center justify-center rounded-lg bg-white text-[#087052] shadow-sm"><FileText className="h-5 w-5" aria-hidden="true" /></span><p className="mt-3 max-w-full break-all text-sm font-semibold text-[#101828]">{selectedFile.name}</p><p className="mt-1 text-sm text-[#66758b]">{formatFileSize(selectedFile.size)} · 提交后保存到品牌知识库</p><button type="button" onClick={() => fileInputRef.current?.click()} className="mt-4 inline-flex min-h-10 items-center gap-2 rounded-lg border border-[#cbd5e1] bg-white px-4 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><FolderOpen className="h-4 w-4" aria-hidden="true" />更换文件</button></div> : <div className="flex flex-col items-center"><span className="flex h-10 w-10 items-center justify-center rounded-lg bg-white text-[#247fd3] shadow-sm"><Upload className="h-5 w-5" aria-hidden="true" /></span><p className="mt-3 text-sm font-semibold text-[#101828]">拖放文件到这里,或选择文件</p><p className="mt-1 max-w-xl text-sm text-[#66758b]">支持{BRAND_KNOWLEDGE_MAIN_FILE_LABEL}</p><button type="button" onClick={() => fileInputRef.current?.click()} className="mt-4 inline-flex min-h-10 items-center gap-2 rounded-lg border border-[#cbd5e1] bg-white px-4 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><FolderOpen className="h-4 w-4" aria-hidden="true" />选择文件</button></div>}</div></section>
<section aria-labelledby="brand-knowledge-file-label"><div className="mb-2 flex items-center justify-between gap-3"><h3 id="brand-knowledge-file-label" className="text-sm font-semibold text-[#101828]">知识文件</h3>{selectedFile && <button type="button" onClick={removeFile} disabled={isUploading} className="text-sm font-semibold text-[#b42318] hover:text-[#8f1d15] disabled:cursor-not-allowed disabled:opacity-55 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#b42318] focus-visible:ring-offset-2">移除文件</button>}</div><div onDragEnter={handleDragEnter} onDragOver={(event) => event.preventDefault()} onDragLeave={handleDragLeave} onDrop={(event) => { event.preventDefault(); dragDepthRef.current = 0; setIsDragging(false); setFile(event.dataTransfer.files[0]) }} className={`rounded-xl border border-dashed p-6 text-center transition-colors sm:p-8 ${isDragging ? 'border-[#1677ff] bg-[#e6f4ff]' : 'border-[#cbd5e1] bg-[#f8fafc]'}`}><input ref={fileInputRef} id="brand-knowledge-file" aria-label="选择知识文件" type="file" accept={BRAND_KNOWLEDGE_MAIN_FILE_ACCEPT} disabled={isUploading} onChange={(event) => setFile(event.currentTarget.files?.[0])} className="sr-only" />{selectedFile ? <div className="flex flex-col items-center"><span className="flex h-10 w-10 items-center justify-center rounded-lg bg-white text-[#087052] shadow-sm"><FileText className="h-5 w-5" aria-hidden="true" /></span><p className="mt-3 max-w-full break-all text-sm font-semibold text-[#101828]">{selectedFile.name}</p><p className="mt-1 text-sm text-[#66758b]">{formatFileSize(selectedFile.size)} · 提交后保存到品牌知识库</p><button type="button" onClick={() => fileInputRef.current?.click()} disabled={isUploading} className="mt-4 inline-flex min-h-10 items-center gap-2 rounded-lg border border-[#cbd5e1] bg-white px-4 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] disabled:cursor-not-allowed disabled:opacity-55 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><FolderOpen className="h-4 w-4" aria-hidden="true" />更换文件</button></div> : <div className="flex flex-col items-center"><span className="flex h-10 w-10 items-center justify-center rounded-lg bg-white text-[#247fd3] shadow-sm"><Upload className="h-5 w-5" aria-hidden="true" /></span><p className="mt-3 text-sm font-semibold text-[#101828]">拖放文件到这里,或选择文件</p><p className="mt-1 max-w-xl text-sm text-[#66758b]">支持{BRAND_KNOWLEDGE_MAIN_FILE_LABEL}</p><button type="button" onClick={() => fileInputRef.current?.click()} disabled={isUploading} className="mt-4 inline-flex min-h-10 items-center gap-2 rounded-lg border border-[#cbd5e1] bg-white px-4 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] disabled:cursor-not-allowed disabled:opacity-55 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><FolderOpen className="h-4 w-4" aria-hidden="true" />选择文件</button></div>}</div></section>
</div>
<footer className="shrink-0 flex flex-col-reverse gap-3 border-t border-[#e2e8f0] px-5 py-4 sm:flex-row sm:items-center sm:justify-end sm:px-8"><button type="button" onClick={onClose} className="inline-flex min-h-11 items-center justify-center rounded-lg border border-[#cbd5e1] bg-white px-5 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2">取消</button><button type="button" onClick={() => void handleSubmit()} disabled={isUploading || !selectedFile || !title.trim() || Boolean(previewImage && previewSlices.length === 0 && !previewUsesServerFallback)} className="inline-flex min-h-11 items-center justify-center gap-2 rounded-lg bg-[#247fd3] px-5 text-sm font-bold text-white transition-colors hover:bg-[#176fc1] disabled:cursor-not-allowed disabled:opacity-55 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><Upload className="h-4 w-4" aria-hidden="true" />{isUploading ? '上传中...' : previewImage && previewSlices.length === 0 && !previewUsesServerFallback ? '正在处理预览图' : '提交知识'}</button></footer>
<footer className="shrink-0 flex flex-col-reverse gap-3 border-t border-[#e2e8f0] px-5 py-4 sm:flex-row sm:items-center sm:justify-end sm:px-8"><button type="button" onClick={isUploading ? cancelActiveUpload : onClose} className="inline-flex min-h-11 items-center justify-center rounded-lg border border-[#cbd5e1] bg-white px-5 text-sm font-semibold text-[#101828] transition-colors hover:bg-[#f2f4f7] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2">{isUploading ? '取消上传' : '取消'}</button><button type="button" onClick={() => void handleSubmit()} disabled={isUploading || !selectedFile || !title.trim() || Boolean(previewImage && previewSlices.length === 0 && !previewUsesServerFallback)} className="inline-flex min-h-11 items-center justify-center gap-2 rounded-lg bg-[#247fd3] px-5 text-sm font-bold text-white transition-colors hover:bg-[#176fc1] disabled:cursor-not-allowed disabled:opacity-55 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2"><Upload className="h-4 w-4" aria-hidden="true" />{isUploading ? '上传中…' : previewImage && previewSlices.length === 0 && !previewUsesServerFallback ? '正在处理预览图' : errorMessage ? '重新上传' : '提交知识'}</button></footer>
</div>
</div>
)

View File

@ -311,6 +311,49 @@ describe('chunkUpload', () => {
await expect(getAllPendingUploads()).resolves.toEqual([])
})
test('断点的上传用途不匹配时清理旧会话并重新初始化', async () => {
let initCount = 0
;(global.fetch as jest.Mock).mockImplementation((input: RequestInfo | URL) => {
if (String(input) === '/api/materials/upload/init') {
initCount += 1
return Promise.resolve({
ok: true,
json: async () => ({ uploadId: initCount === 1 ? 'upload-old-purpose' : 'upload-brand-purpose' }),
})
}
return Promise.resolve({ ok: true, json: async () => ({ message: '清理成功' }) })
})
const file = new File(['hello'], 'brand-guide.pdf', {
type: 'application/pdf',
lastModified: 123456,
})
MockXMLHttpRequest.defaultStatus = 500
await expect(chunkUpload(
file,
{ materialType: '任务-详情' },
{ chunkSize: 5, chunkConcurrency: 1, maxRetries: 1, retryDelay: 0 },
)).rejects.toThrow('上传块 0 失败')
MockXMLHttpRequest.defaultStatus = 413
await expect(chunkUpload(
file,
{ uploadPurpose: 'brand-knowledge' },
{ chunkSize: 5, chunkConcurrency: 1, maxRetries: 1, retryDelay: 0 },
)).rejects.toThrow('上传分片超过入口服务器限制')
const initCalls = (global.fetch as jest.Mock).mock.calls.filter(([url]) => (
String(url) === '/api/materials/upload/init'
))
expect(initCalls).toHaveLength(2)
expect(JSON.parse(initCalls[1][1].body)).toMatchObject({ uploadPurpose: 'brand-knowledge' })
expect(global.fetch).toHaveBeenCalledWith(
'/api/materials/upload/cleanup',
expect.objectContaining({ body: JSON.stringify({ uploadId: 'upload-old-purpose' }) }),
)
})
test('同一文件并发选择两次时拒绝第二条,避免共用 uploadId 覆盖分片', async () => {
;(global.fetch as jest.Mock).mockResolvedValue({
ok: false,

View File

@ -6,6 +6,7 @@ import {
readFile,
rm,
stat,
utimes,
writeFile,
} from 'fs/promises'
import os from 'os'
@ -22,6 +23,16 @@ import {
} from '@/lib/temp-cleanup'
import { uploadSessions, type UploadSession } from '@/lib/upload-sessions'
const mockBrandKnowledgeFindFirst = jest.fn()
jest.mock('@/lib/prisma', () => ({
prisma: {
brandKnowledge: {
findFirst: mockBrandKnowledgeFindFirst,
},
},
}))
describe('safe material upload cleanup protocol', () => {
let uploadRoot: string
const uploadId = 'safe-cleanup-upload-1'
@ -31,6 +42,8 @@ describe('safe material upload cleanup protocol', () => {
process.env.UPLOAD_DIR = uploadRoot
process.env.USE_REDIS = 'false'
uploadSessions.clear()
mockBrandKnowledgeFindFirst.mockReset()
mockBrandKnowledgeFindFirst.mockResolvedValue(null)
})
afterEach(async () => {
@ -160,6 +173,34 @@ describe('safe material upload cleanup protocol', () => {
})
})
test('scheduled cleanup removes an abandoned completed brand-knowledge upload after 24 hours', async () => {
const abandonedId = 'abandoned-brand-knowledge-1'
const { tempDir, assembledPath } = await createAbandonedBrandKnowledgeUpload(abandonedId)
const { runCleanup } = await import('@/lib/temp-cleanup')
const result = await runCleanup()
expect(result.cleaned).toBe(1)
expect(mockBrandKnowledgeFindFirst).toHaveBeenCalled()
await expect(stat(tempDir)).rejects.toMatchObject({ code: 'ENOENT' })
await expect(stat(assembledPath)).rejects.toMatchObject({ code: 'ENOENT' })
})
test('scheduled cleanup retains an abandoned completed upload when database state is unavailable', async () => {
const abandonedId = 'abandoned-brand-knowledge-db-down'
const { tempDir, assembledPath } = await createAbandonedBrandKnowledgeUpload(abandonedId)
mockBrandKnowledgeFindFirst.mockRejectedValueOnce(new Error('database unavailable'))
const warningSpy = jest.spyOn(console, 'warn').mockImplementation(() => undefined)
const { runCleanup } = await import('@/lib/temp-cleanup')
const result = await runCleanup()
expect(result).toMatchObject({ cleaned: 0, skippedUnavailable: 1 })
await expect(stat(tempDir)).resolves.toMatchObject({})
await expect(stat(assembledPath)).resolves.toMatchObject({})
warningSpy.mockRestore()
})
async function createUploadDirectory(id: string, withMerged = true) {
const tempDir = path.join(uploadRoot, 'temp', id)
const mergedPath = path.join(tempDir, 'merged-source.bin')
@ -193,4 +234,31 @@ describe('safe material upload cleanup protocol', () => {
}
uploadSessions.set(id, session)
}
async function createAbandonedBrandKnowledgeUpload(id: string) {
const createdAt = Date.now() - 25 * 60 * 60 * 1000
const tempDir = path.join(uploadRoot, 'temp', id)
const assembledPath = path.join(uploadRoot, 'assembled', `${id}-source.bin`)
await mkdir(tempDir, { recursive: true })
await mkdir(path.dirname(assembledPath), { recursive: true })
await writeFile(path.join(tempDir, 'meta.json'), JSON.stringify({
fileName: 'source.bin',
fileSize: 4,
totalChunks: 1,
chunkSize: 4,
userId: 'user-1',
uploadPurpose: 'brand-knowledge',
createdAt,
}))
await writeFile(path.join(tempDir, 'chunk-0'), 'data')
await writeFile(assembledPath, 'data')
await utimes(tempDir, new Date(createdAt), new Date(createdAt))
const seal = await beginUploadCompletionSeal(id)
if (seal.state !== 'sealing') throw new Error('missing seal handle')
await completeUploadCompletionSeal(seal.handle)
const sealPath = path.join(uploadRoot, '.locks', 'completed-upload-sessions', `${id}.json`)
const storedSeal = JSON.parse(await readFile(sealPath, 'utf8'))
await writeFile(sealPath, JSON.stringify({ ...storedSeal, completedAt: createdAt }))
return { tempDir, assembledPath }
}
})

View File

@ -60,7 +60,7 @@ describe('multipart routes are bounded before parsing', () => {
const requiredFragments = [
'location = /api/upload/preview {\n client_max_body_size 53m;',
'location = /api/department-dashboard/brand-knowledge {\n client_max_body_size 1100m;',
'location = /api/department-dashboard/brand-knowledge {\n client_max_body_size 53m;',
'location ~ "^/api/upload/s3(?:-original)?\\$" {\n client_max_body_size 103m;',
'location = /api/materials/update {\n client_max_body_size 11m;',
'location ~ "^/api/(?:user/avatar|system-settings/upload-logo)\\$" {\n client_max_body_size 7m;',
@ -71,7 +71,7 @@ describe('multipart routes are bounded before parsing', () => {
expect(source).toContain(fragment)
}
const boundedLocations = source.match(/client_max_body_size (?:7|11|53|103|106|131|1100)m;[\s\S]{0,180}?proxy_request_buffering off;/g) || []
const boundedLocations = source.match(/client_max_body_size (?:7|11|53|103|106|131)m;[\s\S]{0,180}?proxy_request_buffering off;/g) || []
expect(boundedLocations.length).toBeGreaterThanOrEqual(7)
})
})

View File

@ -17,8 +17,9 @@ export const BRAND_KNOWLEDGE_MAX_MAIN_FILE_BYTES = 1024 * 1024 * 1024
export const BRAND_KNOWLEDGE_MAX_PREVIEW_IMAGE_BYTES = 50 * 1024 * 1024
export const BRAND_KNOWLEDGE_MAX_PREVIEW_SLICE_BYTES = 10 * 1024 * 1024
export const BRAND_KNOWLEDGE_MAX_PREVIEW_SLICE_COUNT = 60
// Includes multipart framing headroom for a 1 GiB main file and 50 MiB preview.
export const BRAND_KNOWLEDGE_MAX_REQUEST_BYTES = 1100 * 1024 * 1024
// The main file uses the shared chunk-upload pipeline. Finalization only carries
// metadata and at most 50 MiB of preview files plus multipart framing.
export const BRAND_KNOWLEDGE_MAX_REQUEST_BYTES = 52 * 1024 * 1024
export const BRAND_KNOWLEDGE_PREVIEW_IMAGE_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.webp'] as const
export const BRAND_KNOWLEDGE_PREVIEW_IMAGE_ACCEPT = BRAND_KNOWLEDGE_PREVIEW_IMAGE_EXTENSIONS.join(',')

View File

@ -181,12 +181,13 @@ async function initUpload(
fileSize: number,
totalChunks: number,
chunkSize: number,
uploadPurpose: string | undefined,
requestHeaders: Record<string, string> = {},
): Promise<string> {
const response = await fetch('/api/materials/upload/init', {
method: 'POST',
headers: { 'Content-Type': 'application/json', ...requestHeaders },
body: JSON.stringify({ fileName, fileSize, totalChunks, chunkSize }),
body: JSON.stringify({ fileName, fileSize, totalChunks, chunkSize, uploadPurpose }),
})
if (!response.ok) {
@ -479,6 +480,12 @@ async function runChunkUpload(
let state = await loadUploadState(fileId)
if (state) {
const requestedUploadPurpose = typeof metadata?.uploadPurpose === 'string'
? metadata.uploadPurpose.trim()
: ''
const storedUploadPurpose = typeof state.metadata?.uploadPurpose === 'string'
? state.metadata.uploadPurpose.trim()
: ''
const storedUploadedChunks = state.uploadedChunks instanceof Set
? state.uploadedChunks
: null
@ -495,13 +502,14 @@ async function runChunkUpload(
&& index >= 0
&& index < state!.totalChunks
))
const storedStateMatchesPurpose = storedUploadPurpose === requestedUploadPurpose
if (state.uploadId && storedStateMatchesFile && storedChunkSize) {
if (state.uploadId && storedStateMatchesFile && storedChunkSize && storedStateMatchesPurpose) {
// 服务端会话的分片布局在 init 时已经固定。网络从公网切到内网(或反向)
// 时仍沿用已保存的 10/20MiB 布局,不能拿新探测值切旧会话。
chunkSize = storedChunkSize
totalChunks = state.totalChunks
} else if (state.uploadId || !storedStateMatchesFile || !storedChunkSize) {
} else if (state.uploadId || !storedStateMatchesFile || !storedChunkSize || !storedStateMatchesPurpose) {
// 无法安全证明旧状态与当前文件/布局一致时,清理旧会话并重新初始化,
// 避免把错误切片继续写进服务端既有会话。
if (state.uploadId) {
@ -544,7 +552,14 @@ async function runChunkUpload(
// 初始化上传(如果需要)
if (!state.uploadId) {
try {
state.uploadId = await initUpload(file.name, file.size, totalChunks, chunkSize, requestHeaders)
state.uploadId = await initUpload(
file.name,
file.size,
totalChunks,
chunkSize,
typeof metadata?.uploadPurpose === 'string' ? metadata.uploadPurpose : undefined,
requestHeaders,
)
await saveUploadState(state)
} catch (error) {
if (!isRetryableUploadError(error)) {
@ -557,7 +572,14 @@ async function runChunkUpload(
while (retries < maxRetries) {
await new Promise(resolve => setTimeout(resolve, retryDelay))
try {
state.uploadId = await initUpload(file.name, file.size, totalChunks, chunkSize, requestHeaders)
state.uploadId = await initUpload(
file.name,
file.size,
totalChunks,
chunkSize,
typeof metadata?.uploadPurpose === 'string' ? metadata.uploadPurpose : undefined,
requestHeaders,
)
await saveUploadState(state)
break
} catch (e) {
@ -831,7 +853,14 @@ async function runChunkUpload(
console.warn(`[ChunkUpload] ⚠️ 会话刷新失败(${refreshResult.error}),重新初始化上传...`)
// 刷新失败,需要重新初始化
state.uploadId = await initUpload(file.name, file.size, totalChunks, chunkSize, requestHeaders)
state.uploadId = await initUpload(
file.name,
file.size,
totalChunks,
chunkSize,
typeof metadata?.uploadPurpose === 'string' ? metadata.uploadPurpose : undefined,
requestHeaders,
)
state.uploadedChunks.clear()
completedBytes = 0
await saveUploadState(state)

View File

@ -11,6 +11,7 @@ import path from 'path'
import {
acquireMaterialUploadStorageLock,
acquireTaskMaterialUploadSessionLocks,
type MaterialUploadStorageLockRelease,
} from './material-upload-cross-process-lock'
import {
@ -25,10 +26,12 @@ import { getUploadRootDir } from './upload-paths'
import { uploadSessions, type UploadSession } from './upload-sessions'
const MAX_AGE_MS = 8 * 60 * 60 * 1000
const ABANDONED_BRAND_KNOWLEDGE_RETENTION_MS = 24 * 60 * 60 * 1000
const CLEANUP_INTERVAL_MS = 60 * 60 * 1000
const SAFE_UPLOAD_ID_PATTERN = /^[A-Za-z0-9][A-Za-z0-9_-]{0,127}$/
const REDIS_SESSION_KEY_PREFIX = 'upload:session:'
const INTERNAL_CONSUMED_CLEANUP = Symbol('internal-consumed-material-upload-cleanup')
const INTERNAL_ABANDONED_BRAND_KNOWLEDGE_CLEANUP = Symbol('internal-abandoned-brand-knowledge-cleanup')
let cleanupTimer: NodeJS.Timeout | null = null
let isCleanupRunning = false
@ -41,6 +44,7 @@ export type SafeMaterialUploadCleanupStatus =
| 'protected_completed'
| 'protected_sealing'
| 'not_consumed'
| 'not_abandoned_brand_knowledge'
| 'owner_mismatch'
| 'unavailable'
@ -64,7 +68,9 @@ export interface SafeMaterialUploadCleanupInput {
interface InternalCleanupInput extends SafeMaterialUploadCleanupInput {
intent: 'cancel' | 'sweep'
capability?: typeof INTERNAL_CONSUMED_CLEANUP
capability?:
| typeof INTERNAL_CONSUMED_CLEANUP
| typeof INTERNAL_ABANDONED_BRAND_KNOWLEDGE_CLEANUP
}
interface StoredSessionEvidence {
@ -73,6 +79,7 @@ interface StoredSessionEvidence {
fileName: string
fileSize: number | null
createdAt: number | null
uploadPurpose: string | null
}
interface UploadDirectorySnapshot {
@ -84,6 +91,7 @@ interface UploadDirectorySnapshot {
fileName: string
fileSize: number
createdAt: number
uploadPurpose: string | null
} | null
files: Array<{ name: string; size: number }>
deletedFiles: number
@ -100,6 +108,7 @@ interface CleanupEvidence {
hasValidMerged: boolean
sealState: UploadSessionSealState | null
assembledFilePath: string | null
uploadPurpose: string | null
}
/**
@ -196,7 +205,10 @@ export async function runCleanup(): Promise<{
continue
}
const cleanup = await safelyCleanupMaterialUploadSession({
const uploadPurpose = await readUploadPurposeCandidate(dirPath)
const cleanup = uploadPurpose === 'brand-knowledge'
? await cleanupAbandonedBrandKnowledgeUploadSession(uploadId)
: await safelyCleanupMaterialUploadSession({
uploadId,
intent: 'sweep',
minAgeMs: MAX_AGE_MS,
@ -231,6 +243,50 @@ export async function runCleanup(): Promise<{
}
}
async function cleanupAbandonedBrandKnowledgeUploadSession(
uploadId: string,
): Promise<SafeMaterialUploadCleanupResult> {
let releaseUploadSessionLock: MaterialUploadStorageLockRelease | null = null
try {
// Keep the same lock order as brand-knowledge finalization: scoped uploadId,
// then the global storage lock acquired inside executeSafeCleanup.
releaseUploadSessionLock = await acquireTaskMaterialUploadSessionLocks([uploadId])
const seal = await readUploadSessionSeal(uploadId)
if (seal?.state !== 'completed') {
return await executeSafeCleanup({
uploadId,
intent: 'sweep',
minAgeMs: MAX_AGE_MS,
})
}
const completedAt = Number(seal.completedAt)
const completedAgeMs = Date.now() - completedAt
if (!Number.isFinite(completedAt) || completedAt <= 0 || completedAgeMs < -5 * 60 * 1000) {
return unavailableResult(
'上传完成时间状态异常,已保留上传文件',
'UPLOAD_CLEANUP_COMPLETED_AT_INVALID',
)
}
if (completedAgeMs < ABANDONED_BRAND_KNOWLEDGE_RETENTION_MS) {
return skippedResult('skipped_young')
}
// Database availability is a fail-closed gate, but it does not need the
// global upload-storage lock. The scoped upload lock already prevents a
// concurrent brand-knowledge finalization for this uploadId.
await assertBrandKnowledgeDatabaseAvailable(uploadId)
return await executeSafeCleanup({
uploadId,
intent: 'sweep',
minAgeMs: ABANDONED_BRAND_KNOWLEDGE_RETENTION_MS,
capability: INTERNAL_ABANDONED_BRAND_KNOWLEDGE_CLEANUP,
})
} catch (error) {
return resultFromError(error)
} finally {
await releaseUploadSessionLock?.()
}
}
export function startCleanupScheduler(): void {
if (cleanupTimer) {
console.log('[TempCleanup] 定时任务已在运行')
@ -280,6 +336,7 @@ async function executeSafeCleanup(
decision = decideCleanup(input, evidence)
if (!decision) {
const isConsumedCleanup = input.capability === INTERNAL_CONSUMED_CLEANUP
|| input.capability === INTERNAL_ABANDONED_BRAND_KNOWLEDGE_CLEANUP
if (!isConsumedCleanup) {
const tombstone = await cancelUploadSessionSeal(uploadId)
if (tombstone.state === 'completed') {
@ -363,6 +420,31 @@ function decideCleanup(
}
const isConsumedCleanup = input.capability === INTERNAL_CONSUMED_CLEANUP
const isAbandonedBrandKnowledgeCleanup = input.capability === INTERNAL_ABANDONED_BRAND_KNOWLEDGE_CLEANUP
if (isAbandonedBrandKnowledgeCleanup) {
if (evidence.uploadPurpose !== 'brand-knowledge') {
return skippedResult('not_abandoned_brand_knowledge')
}
if (
evidence.sealState !== 'completed'
|| evidence.ageMs === null
|| evidence.ageMs < ABANDONED_BRAND_KNOWLEDGE_RETENTION_MS
) {
if (evidence.sealState === 'completed') {
return skippedResult('skipped_young')
}
if (evidence.sealState === 'sealing') {
return protectedResult('protected_sealing')
}
return skippedResult(
'not_consumed',
'未确认 completed 终态,已保留上传临时目录',
'UPLOAD_NOT_CONFIRMED_COMPLETED',
409,
)
}
return null
}
if (isConsumedCleanup) {
if (
!evidence.directory.exists
@ -473,6 +555,21 @@ async function readCleanupEvidence(uploadId: string): Promise<CleanupEvidence> {
)
}
const uploadPurposes = new Set<string>()
if (directory.metadata?.uploadPurpose) {
uploadPurposes.add(directory.metadata.uploadPurpose)
}
sessions.forEach((session) => {
if (session.uploadPurpose) uploadPurposes.add(session.uploadPurpose)
})
if (uploadPurposes.size > 1) {
throw new MaterialUploadRequestError(
'上传会话用途状态冲突,已保留数据',
503,
'UPLOAD_CLEANUP_SESSION_CONFLICT',
)
}
const expectedFileSize = fileSizes.values().next().value as number | undefined
const hasValidTempMerged = directory.files.some((file) => (
file.name.startsWith('merged-')
@ -494,6 +591,7 @@ async function readCleanupEvidence(uploadId: string): Promise<CleanupEvidence> {
}
const seal = await readUploadSessionSeal(uploadId)
const uploadPurpose = uploadPurposes.values().next().value as string | undefined
return {
directory,
sessions,
@ -504,6 +602,7 @@ async function readCleanupEvidence(uploadId: string): Promise<CleanupEvidence> {
hasValidMerged: hasValidTempMerged || assembledFilePath !== null,
sealState: seal?.state ?? null,
assembledFilePath,
uploadPurpose: uploadPurpose || null,
}
}
@ -586,6 +685,7 @@ async function readMetadataFailClosed(metadataPath: string): Promise<{
fileName: string
fileSize: number
createdAt: number
uploadPurpose: string | null
}> {
try {
const parsed = JSON.parse(await readFile(metadataPath, 'utf8')) as Record<string, unknown>
@ -595,6 +695,9 @@ async function readMetadataFailClosed(metadataPath: string): Promise<{
)
const fileSize = Number(parsed.fileSize)
const createdAt = Number(parsed.createdAt)
const uploadPurpose = typeof parsed.uploadPurpose === 'string'
? parsed.uploadPurpose.trim()
: ''
if (
!userId
|| !fileName
@ -602,10 +705,11 @@ async function readMetadataFailClosed(metadataPath: string): Promise<{
|| fileSize <= 0
|| !Number.isFinite(createdAt)
|| createdAt <= 0
|| (uploadPurpose && uploadPurpose !== 'brand-knowledge')
) {
throw new Error('meta.json 字段无效')
}
return { userId, fileName, fileSize, createdAt }
return { userId, fileName, fileSize, createdAt, uploadPurpose: uploadPurpose || null }
} catch (error) {
throw new MaterialUploadRequestError(
`无法确认上传目录元数据,已保留数据: ${error instanceof Error ? error.message : '未知错误'}`,
@ -653,6 +757,9 @@ function normalizeSessionEvidence(
)
const fileSize = Number(session.fileSize)
const createdAt = Number(session.createdAt)
const uploadPurpose = typeof session.uploadPurpose === 'string'
? session.uploadPurpose.trim()
: ''
if (
!userId
|| !fileName
@ -660,6 +767,7 @@ function normalizeSessionEvidence(
|| fileSize <= 0
|| !Number.isFinite(createdAt)
|| createdAt <= 0
|| (uploadPurpose && uploadPurpose !== 'brand-knowledge')
) {
throw new MaterialUploadRequestError(
'上传会话内容异常,已保留数据',
@ -667,7 +775,39 @@ function normalizeSessionEvidence(
'UPLOAD_CLEANUP_SESSION_INVALID',
)
}
return { source, userId, fileName, fileSize, createdAt }
return { source, userId, fileName, fileSize, createdAt, uploadPurpose: uploadPurpose || null }
}
async function readUploadPurposeCandidate(dirPath: string): Promise<string | null> {
try {
const metadataPath = resolveStrictChildPath(dirPath, 'meta.json')
if (!metadataPath) return null
const stats = await lstat(metadataPath)
if (stats.isSymbolicLink() || !stats.isFile() || stats.size > 16 * 1024) return null
const parsed = JSON.parse(await readFile(metadataPath, 'utf8')) as Record<string, unknown>
return typeof parsed.uploadPurpose === 'string' ? parsed.uploadPurpose.trim() || null : null
} catch {
// The locked cleanup path will parse the same metadata fail-closed.
return null
}
}
async function assertBrandKnowledgeDatabaseAvailable(uploadId: string): Promise<void> {
try {
const { prisma } = await import('./prisma')
await prisma.brandKnowledge.findFirst({
where: {
filePath: { startsWith: `uploads/brand-knowledge/source-${uploadId}.` },
},
select: { id: true },
})
} catch (error) {
throw new MaterialUploadRequestError(
`无法确认品牌知识建档状态,已保留上传文件: ${error instanceof Error ? error.message : '未知错误'}`,
503,
'UPLOAD_CLEANUP_DATABASE_UNAVAILABLE',
)
}
}
async function inspectAssembledFile(
@ -747,6 +887,7 @@ function applyRunCleanupResult(
case 'absent':
case 'skipped_young':
case 'not_consumed':
case 'not_abandoned_brand_knowledge':
case 'owner_mismatch':
break
default:

View File

@ -79,6 +79,7 @@ export interface UploadSession {
_speedSampleAt?: number
_speedSampleBytes?: number
userId: string
uploadPurpose?: string
}
function parsePositiveIntEnv(name: string, fallback: number): number {
@ -214,6 +215,9 @@ async function getUploadSessionFromMetadata(uploadId: string): Promise<UploadSes
? normalizeSafeFileName(metadata.fileName)
: null
const userId = typeof metadata?.userId === 'string' ? metadata.userId : ''
const uploadPurpose = typeof metadata?.uploadPurpose === 'string'
? metadata.uploadPurpose.trim()
: ''
const ageMs = Date.now() - createdAt
if (
@ -239,6 +243,7 @@ async function getUploadSessionFromMetadata(uploadId: string): Promise<UploadSes
chunks: new Map(),
createdAt,
userId,
...(uploadPurpose ? { uploadPurpose } : {}),
}
setMemorySession(uploadId, recoveredSession)
return recoveredSession
@ -786,4 +791,3 @@ export async function refreshUploadSession(uploadId: string): Promise<boolean> {
// 导出内存Map(用于向后兼容,但不推荐直接使用)
export const uploadSessions = memorySessions

View File

@ -2008,11 +2008,10 @@ http {
proxy_buffering off;
}
# Brand knowledge accepts one 1 GiB document and a 50 MiB preview plus multipart framing.
# Keep this allowance scoped to the exact collection endpoint so list and
# upload requests work without widening unrelated dashboard routes.
# Brand knowledge finalization only carries metadata and a bounded preview;
# the 1 GiB source file uses the shared 20 MiB chunk upload routes below.
location = /api/department-dashboard/brand-knowledge {
client_max_body_size 1100m;
client_max_body_size 53m;
proxy_request_buffering off;
proxy_pass http://app_backend;
proxy_hide_header X-Material-Proxy-Target;

View File

@ -109,7 +109,7 @@ test('brand knowledge upload stays bounded in the route and stable proxy', () =>
assert.match(
deploySource,
/location = \/api\/department-dashboard\/brand-knowledge \{\n\s+client_max_body_size 1100m;\n\s+proxy_request_buffering off;/,
/location = \/api\/department-dashboard\/brand-knowledge \{\n\s+client_max_body_size 53m;\n\s+proxy_request_buffering off;/,
)
const headerGuard = routeSource.indexOf('assertBoundedMultipartHeaders(')
@ -122,6 +122,9 @@ test('brand knowledge upload stays bounded in the route and stable proxy', () =>
assert.ok(parsedFiles > parseBody)
assert.match(routeSource, /BRAND_KNOWLEDGE_MAX_MAIN_FILE_BYTES/)
assert.match(routeSource, /BRAND_KNOWLEDGE_MAX_REQUEST_BYTES/)
assert.match(routeSource, /resolveOwnedMergedUpload/)
assert.match(routeSource, /publishMergedUploadByHardLink/)
assert.doesNotMatch(routeSource, /formData\.get\('file'\)/)
assert.match(routeSource, /import \{ isWebFileLike \} from '@\/lib\/web-file'/)
assert.doesNotMatch(routeSource, /instanceof File/)
assert.match(routeSource, /releaseRequestSlot\?\.\(\)/)