24 lines
1.1 KiB
TypeScript
24 lines
1.1 KiB
TypeScript
import { existsSync, createReadStream } from 'node:fs'
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import { fileEtag, stillPath, stillThumbPath, sniffImageType } from '~/server/utils/library'
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export default defineEventHandler(async (event) => {
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const { owner } = assertLibraryOwner(event)
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const id = String(getRouterParam(event, 'id') || '')
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const still = getStill(owner, id)
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assertFolderAccess(event, still.folderId)
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const wantThumb = String(getQuery(event).thumb || '') === '1'
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const path = wantThumb ? await stillThumbPath(owner, id) : stillPath(owner, still.id)
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if (!path || !existsSync(path)) {
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throw createError({ statusCode: 404, statusMessage: 'Image file is missing' })
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}
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const etag = fileEtag(path)
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setHeader(event, 'ETag', etag)
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setHeader(event, 'Cache-Control', wantThumb ? 'private, max-age=86400, stale-while-revalidate=604800' : 'private, max-age=3600')
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if (getHeader(event, 'if-none-match') === etag) {
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setResponseStatus(event, 304)
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return null
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}
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setHeader(event, 'Content-Type', wantThumb ? 'image/jpeg' : sniffImageType(path))
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return sendStream(event, createReadStream(path))
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})
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