diff --git a/storage/client.go b/storage/client.go index 4906b1d1f704..70b2a280e3b3 100644 --- a/storage/client.go +++ b/storage/client.go @@ -254,6 +254,9 @@ type openWriterParams struct { // attrs - see `Writer.ObjectAttrs`. // Required. attrs *ObjectAttrs + // forceEmptyContentType - Disables auto-detect of Content-Type + // Optional. + forceEmptyContentType bool // conds - see `Writer.o.conds`. // Optional. conds *Conditions diff --git a/storage/http_client.go b/storage/http_client.go index a0f3c00a7373..e3e0d761bb08 100644 --- a/storage/http_client.go +++ b/storage/http_client.go @@ -885,7 +885,7 @@ func (c *httpStorageClient) OpenWriter(params *openWriterParams, opts ...storage mediaOpts := []googleapi.MediaOption{ googleapi.ChunkSize(params.chunkSize), } - if c := attrs.ContentType; c != "" { + if c := attrs.ContentType; c != "" || params.forceEmptyContentType { mediaOpts = append(mediaOpts, googleapi.ContentType(c)) } if params.chunkRetryDeadline != 0 { diff --git a/storage/writer.go b/storage/writer.go index aeb7ed418c8d..43a0f0d10937 100644 --- a/storage/writer.go +++ b/storage/writer.go @@ -88,6 +88,11 @@ type Writer struct { // cancellation. ChunkRetryDeadline time.Duration + // ForceEmptyContentType is an optional parameter that is used to disable + // auto-detection of Content-Type. By default, if a blank Content-Type + // is provided, then gax.DetermineContentType is called to sniff the type. + ForceEmptyContentType bool + // ProgressFunc can be used to monitor the progress of a large write // operation. If ProgressFunc is not nil and writing requires multiple // calls to the underlying service (see @@ -180,18 +185,19 @@ func (w *Writer) openWriter() (err error) { isIdempotent := w.o.conds != nil && (w.o.conds.GenerationMatch >= 0 || w.o.conds.DoesNotExist == true) opts := makeStorageOpts(isIdempotent, w.o.retry, w.o.userProject) params := &openWriterParams{ - ctx: w.ctx, - chunkSize: w.ChunkSize, - chunkRetryDeadline: w.ChunkRetryDeadline, - bucket: w.o.bucket, - attrs: &w.ObjectAttrs, - conds: w.o.conds, - encryptionKey: w.o.encryptionKey, - sendCRC32C: w.SendCRC32C, - donec: w.donec, - setError: w.error, - progress: w.progress, - setObj: func(o *ObjectAttrs) { w.obj = o }, + ctx: w.ctx, + chunkSize: w.ChunkSize, + chunkRetryDeadline: w.ChunkRetryDeadline, + bucket: w.o.bucket, + attrs: &w.ObjectAttrs, + conds: w.o.conds, + encryptionKey: w.o.encryptionKey, + sendCRC32C: w.SendCRC32C, + donec: w.donec, + setError: w.error, + progress: w.progress, + setObj: func(o *ObjectAttrs) { w.obj = o }, + forceEmptyContentType: w.ForceEmptyContentType, } if err := w.ctx.Err(); err != nil { return err // short-circuit