Files

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3.4 KiB
TypeScript

import type { H3Event } from 'h3'
import { requireAdminAuth } from '../../../utils/access'
import { createApiError } from '../../../utils/api-error'
import { serializeBackupJob } from '../../../utils/backup/api'
import { previewFullRestore } from '../../../utils/backup/full-restore'
import { startFullRestoreJob } from '../../../utils/backup/runner'
import {
BACKUP_ARCHIVE_EXT,
getBackupsDir,
getBackupStagingDir,
isSafeBackupFilename
} from '../../../utils/backup/paths'
import { join } from 'node:path'
import { promises as fs } from 'node:fs'
interface RestoreBody {
archiveName?: string
conflictMode?: 'skip' | 'overwrite'
dryRun?: boolean
}
async function resolveRestoreInput(event: H3Event): Promise<{
archivePath: string
body: RestoreBody
cleanup?: () => Promise<void>
}> {
const contentType = getHeader(event, 'content-type') ?? ''
if (contentType.includes('multipart/form-data')) {
const form = await readMultipartFormData(event)
const filePart = form?.find(part => part.name === 'file' && part.data?.length)
if (!filePart?.data) {
createApiError(event, 'INVALID_REQUEST', '请上传备份文件', 400)
}
const conflictField = form?.find(part => part.name === 'conflictMode')?.data?.toString('utf8')
const dryRunField = form?.find(part => part.name === 'dryRun')?.data?.toString('utf8')
const dryRun = dryRunField === 'true'
if (dryRun) {
const tempDir = getBackupStagingDir(`upload-preview-${Date.now()}`)
await fs.mkdir(tempDir, { recursive: true })
const archivePath = join(tempDir, 'package.phost.tar.gz')
await fs.writeFile(archivePath, filePart.data)
return {
archivePath,
body: {
conflictMode: conflictField === 'skip' ? 'skip' : 'overwrite',
dryRun: true
},
cleanup: async () => {
await fs.rm(tempDir, { recursive: true, force: true }).catch(() => {})
}
}
}
await fs.mkdir(getBackupsDir(), { recursive: true })
const safeName = `upload-${Date.now()}${BACKUP_ARCHIVE_EXT}`
const archivePath = join(getBackupsDir(), safeName)
await fs.writeFile(archivePath, filePart.data)
return {
archivePath,
body: {
conflictMode: conflictField === 'skip' ? 'skip' : 'overwrite',
dryRun: false
}
}
}
const body = await readBody<RestoreBody>(event)
if (!body?.archiveName || !isSafeBackupFilename(body.archiveName)) {
createApiError(event, 'INVALID_REQUEST', '请选择有效的备份文件', 400)
}
const archivePath = join(getBackupsDir(), body.archiveName)
try {
await fs.access(archivePath)
} catch {
createApiError(event, 'INVALID_REQUEST', '备份文件不存在', 400)
}
return { archivePath, body }
}
export default defineEventHandler(async (event) => {
await requireAdminAuth(event)
const { archivePath, body, cleanup } = await resolveRestoreInput(event)
const conflictMode = body.conflictMode === 'skip' ? 'skip' : 'overwrite'
if (body.dryRun) {
try {
const preview = await previewFullRestore(archivePath)
return { preview }
} finally {
await cleanup?.()
}
}
try {
const job = startFullRestoreJob(archivePath, conflictMode)
return { job: serializeBackupJob(job) }
} catch (error) {
if (error instanceof Error && error.message === 'BACKUP_JOB_RUNNING') {
createApiError(event, 'CONFLICT', '已有备份或迁移任务正在运行', 409)
}
throw error
}
})