37 lines
1.3 KiB
TypeScript
37 lines
1.3 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 original = stillPath(owner, still.id)
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let path = original
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if (wantThumb) {
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path = await stillThumbPath(owner, id)
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// Never fall back to the archive PNG/JPEG for ?thumb=1
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if (!path || path === original || !existsSync(path)) {
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throw createError({ statusCode: 404, statusMessage: 'Thumbnail not found' })
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}
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} else if (!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(
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event,
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'Cache-Control',
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wantThumb ? 'public, max-age=86400' : 'private, max-age=3600'
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)
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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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