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fix(upload): sniff content type for application/octet-stream
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When an incoming file has an empty content type or is marked as
"application/octet-stream", attempt to detect the actual MIME type
by reading the first 512 bytes of the file. This improves content
type accuracy for generic binary uploads.
This commit is contained in:
Daniel Legt
2026-06-03 15:31:18 +03:00
parent 81f4ce5e36
commit 2eba04b9da
1 changed files with 1 additions and 1 deletions
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2
backend/libs/services/upload.go
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@@ -397,7 +397,7 @@ func (s *UploadService) writeIncomingFilesToBox(ctx context.Context, box *Box, f
storedName := "@each@" + fileID + strings.ToLower(filepath.Ext(incoming.Name())) storedName := "@each@" + fileID + strings.ToLower(filepath.Ext(incoming.Name()))
objectKey := boxObjectKey(box.ID, storedName) objectKey := boxObjectKey(box.ID, storedName)
contentType := incoming.ContentType() contentType := incoming.ContentType()
if contentType == "" { if contentType == "" || contentType == "application/octet-stream" {
buffer := make([]byte, 512) buffer := make([]byte, 512)
n, _ := file.Read(buffer) n, _ := file.Read(buffer)
contentType = http.DetectContentType(buffer[:n]) contentType = http.DetectContentType(buffer[:n])