fix streaming with cdn

Author: inian

src/backend/s3.ts

@@ -59,6 +59,7 @@ export class S3Backend implements GenericStorageBackend {
         eTag: data.ETag,
         lastModified: data.LastModified,
         contentRange: data.ContentRange,
+        contentLength: data.ContentLength,
         httpStatusCode: data.$metadata.httpStatusCode,
       },
       body: data.Body,

src/routes/object/getObject.ts

@@ -77,9 +77,11 @@ async function requestHandler(
 
     response
       .status(data.metadata.httpStatusCode ?? 200)
+      .header('Accept-Ranges', 'bytes')
       .header('Content-Type', normalizeContentType(data.metadata.mimetype))
       .header('Cache-Control', data.metadata.cacheControl)
       .header('ETag', data.metadata.eTag)
+      .header('Content-Length', data.metadata.contentLength)
       .header('Last-Modified', data.metadata.lastModified)
     if (data.metadata.contentRange) {
       response.header('Content-Range', data.metadata.contentRange)

src/routes/object/getPublicObject.ts

@@ -72,8 +72,10 @@ export default async function routes(fastify: FastifyInstance) {
         })
         response
           .status(data.metadata.httpStatusCode ?? 200)
+          .header('Accept-Ranges', 'bytes')
           .header('Content-Type', normalizeContentType(data.metadata.mimetype))
           .header('Cache-Control', data.metadata.cacheControl)
+          .header('Content-Length', data.metadata.contentLength)
           .header('ETag', data.metadata.eTag)
           .header('Last-Modified', data.metadata.lastModified)
         if (data.metadata.contentRange) {

src/routes/object/getSignedObject.ts

@@ -77,8 +77,10 @@ export default async function routes(fastify: FastifyInstance) {
 
         response
           .status(data.metadata.httpStatusCode ?? 200)
+          .header('Accept-Ranges', 'bytes')
           .header('Content-Type', normalizeContentType(data.metadata.mimetype))
           .header('Cache-Control', data.metadata.cacheControl)
+          .header('Content-Length', data.metadata.contentLength)
           .header('ETag', data.metadata.eTag)
           .header('Last-Modified', data.metadata.lastModified)
         if (data.metadata.contentRange) {

src/types/types.d.ts

@@ -42,6 +42,7 @@ type ObjectResponse = {
 
 type ObjectMetadata = {
   cacheControl?: string
+  contentLength?: number
   size?: number
   mimetype?: string
   lastModified?: Date