75 lines
2.3 KiB
TypeScript
75 lines
2.3 KiB
TypeScript
import type { CollectionConfig } from 'payload/types'
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import type { CollectionCachingConfig, PluginOptions, StaticHandler } from './types.js'
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import { createKey } from './utilities/createKey.js'
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import { getStorageClient } from './utilities/getStorageClient.js'
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interface Args {
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cachingOptions?: PluginOptions['uploadCaching']
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collection: CollectionConfig
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}
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// Convert a stream into a promise that resolves with a Buffer
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const streamToBuffer = async (readableStream) => {
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const chunks = []
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for await (const chunk of readableStream) {
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chunks.push(typeof chunk === 'string' ? Buffer.from(chunk) : chunk)
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}
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return Buffer.concat(chunks)
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}
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export const getStaticHandler = ({ cachingOptions, collection }: Args): StaticHandler => {
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let maxAge = 86400 // 24 hours default
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let collCacheConfig: CollectionCachingConfig | undefined
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if (cachingOptions !== false) {
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// Set custom maxAge for all collections
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maxAge = cachingOptions?.maxAge || maxAge
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collCacheConfig = cachingOptions?.collections?.[collection.slug] || {}
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}
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// Set maxAge using collection-specific override
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maxAge = collCacheConfig?.maxAge || maxAge
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const cachingEnabled =
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cachingOptions !== false &&
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!!process.env.PAYLOAD_CLOUD_CACHE_KEY &&
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collCacheConfig?.enabled !== false
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return async (req, { params }) => {
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try {
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const { identityID, storageClient } = await getStorageClient()
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const Key = createKey({
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collection: collection.slug,
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filename: params.filename,
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identityID,
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})
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const object = await storageClient.getObject({
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Bucket: process.env.PAYLOAD_CLOUD_BUCKET,
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Key,
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})
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if (!object.Body) {
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return new Response(null, { status: 404, statusText: 'Not Found' })
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}
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const bodyBuffer = await streamToBuffer(object.Body)
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return new Response(bodyBuffer, {
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headers: new Headers({
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'Content-Length': String(object.ContentLength),
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'Content-Type': object.ContentType,
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...(cachingEnabled && { 'Cache-Control': `public, max-age=${maxAge}` }),
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ETag: object.ETag,
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}),
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status: 200,
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})
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} catch (err: unknown) {
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req.payload.logger.error({ err, msg: 'Error getting file from cloud storage' })
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return new Response('Internal Server Error', { status: 500 })
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}
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}
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}
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