feat(admin): prefer stored S3 Content-Type metadata over key-extension MIME inference (#9286)

* feat(admin): prefer stored filer mime in file browser and properties

* feat(mime): enhance MIME type registration and improve fallback logic

Co-authored-by: Copilot <copilot@github.com>

---------

Co-authored-by: baracudaz <baracudaz@users.noreply.github.com>
Co-authored-by: Copilot <copilot@github.com>
This commit is contained in:
baracudaz
2026-04-29 19:21:03 +02:00
committed by GitHub
parent 60c76120fc
commit db34e8b6fd
4 changed files with 221 additions and 188 deletions

View File

@@ -134,47 +134,7 @@ func (s *AdminServer) GetFileBrowser(dir string, lastFileName string, pageSize i
}
}
// Determine MIME type based on file extension
mime := "application/octet-stream"
if entry.IsDirectory {
mime = "inode/directory"
} else {
ext := strings.ToLower(path.Ext(entry.Name))
switch ext {
case ".txt", ".log":
mime = "text/plain"
case ".html", ".htm":
mime = "text/html"
case ".css":
mime = "text/css"
case ".js":
mime = "application/javascript"
case ".json":
mime = "application/json"
case ".xml":
mime = "application/xml"
case ".pdf":
mime = "application/pdf"
case ".jpg", ".jpeg":
mime = "image/jpeg"
case ".png":
mime = "image/png"
case ".gif":
mime = "image/gif"
case ".svg":
mime = "image/svg+xml"
case ".mp4":
mime = "video/mp4"
case ".mp3":
mime = "audio/mpeg"
case ".zip":
mime = "application/zip"
case ".tar":
mime = "application/x-tar"
case ".gz":
mime = "application/gzip"
}
}
mime := ResolveEntryMime(entry)
fileEntry := FileEntry{
Name: entry.Name,

View File

@@ -0,0 +1,150 @@
package dash
import (
"mime"
"path"
"strings"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
)
func init() {
// Register text files
mime.AddExtensionType(".txt", "text/plain")
mime.AddExtensionType(".log", "text/plain")
mime.AddExtensionType(".cfg", "text/plain")
mime.AddExtensionType(".conf", "text/plain")
mime.AddExtensionType(".ini", "text/plain")
mime.AddExtensionType(".properties", "text/plain")
mime.AddExtensionType(".gitignore", "text/plain")
mime.AddExtensionType(".gitattributes", "text/plain")
mime.AddExtensionType(".env", "text/plain")
// Register markup and styling
mime.AddExtensionType(".md", "text/markdown")
mime.AddExtensionType(".markdown", "text/markdown")
mime.AddExtensionType(".html", "text/html")
mime.AddExtensionType(".htm", "text/html")
mime.AddExtensionType(".css", "text/css")
mime.AddExtensionType(".xml", "application/xml")
// Register code and scripting languages
mime.AddExtensionType(".js", "application/javascript")
mime.AddExtensionType(".mjs", "application/javascript")
mime.AddExtensionType(".ts", "text/typescript")
mime.AddExtensionType(".py", "text/x-python")
mime.AddExtensionType(".go", "text/x-go")
mime.AddExtensionType(".java", "text/x-java")
mime.AddExtensionType(".c", "text/x-c")
mime.AddExtensionType(".cpp", "text/x-c++")
mime.AddExtensionType(".cc", "text/x-c++")
mime.AddExtensionType(".cxx", "text/x-c++")
mime.AddExtensionType(".c++", "text/x-c++")
mime.AddExtensionType(".h", "text/x-c-header")
mime.AddExtensionType(".hpp", "text/x-c-header")
mime.AddExtensionType(".php", "text/x-php")
mime.AddExtensionType(".rb", "text/x-ruby")
mime.AddExtensionType(".pl", "text/x-perl")
mime.AddExtensionType(".rs", "text/x-rust")
mime.AddExtensionType(".swift", "text/x-swift")
mime.AddExtensionType(".kt", "text/x-kotlin")
mime.AddExtensionType(".scala", "text/x-scala")
mime.AddExtensionType(".sh", "text/x-shellscript")
mime.AddExtensionType(".bash", "text/x-shellscript")
mime.AddExtensionType(".zsh", "text/x-shellscript")
mime.AddExtensionType(".fish", "text/x-shellscript")
mime.AddExtensionType(".dockerfile", "text/x-dockerfile")
// Register data formats
mime.AddExtensionType(".json", "application/json")
mime.AddExtensionType(".yaml", "text/yaml")
mime.AddExtensionType(".yml", "text/yaml")
mime.AddExtensionType(".csv", "text/csv")
mime.AddExtensionType(".sql", "text/sql")
// Register image types
mime.AddExtensionType(".jpg", "image/jpeg")
mime.AddExtensionType(".jpeg", "image/jpeg")
mime.AddExtensionType(".png", "image/png")
mime.AddExtensionType(".gif", "image/gif")
mime.AddExtensionType(".bmp", "image/bmp")
mime.AddExtensionType(".webp", "image/webp")
mime.AddExtensionType(".svg", "image/svg+xml")
mime.AddExtensionType(".ico", "image/x-icon")
// Register document types
mime.AddExtensionType(".pdf", "application/pdf")
mime.AddExtensionType(".doc", "application/msword")
mime.AddExtensionType(".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document")
mime.AddExtensionType(".xls", "application/vnd.ms-excel")
mime.AddExtensionType(".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
mime.AddExtensionType(".ppt", "application/vnd.ms-powerpoint")
mime.AddExtensionType(".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation")
// Register archive types
mime.AddExtensionType(".zip", "application/zip")
mime.AddExtensionType(".tar", "application/x-tar")
mime.AddExtensionType(".gz", "application/gzip")
mime.AddExtensionType(".bz2", "application/x-bzip2")
mime.AddExtensionType(".7z", "application/x-7z-compressed")
mime.AddExtensionType(".rar", "application/x-rar-compressed")
// Register video types
mime.AddExtensionType(".mp4", "video/mp4")
mime.AddExtensionType(".avi", "video/x-msvideo")
mime.AddExtensionType(".mov", "video/quicktime")
mime.AddExtensionType(".wmv", "video/x-ms-wmv")
mime.AddExtensionType(".flv", "video/x-flv")
mime.AddExtensionType(".webm", "video/webm")
// Register audio types
mime.AddExtensionType(".mp3", "audio/mpeg")
mime.AddExtensionType(".wav", "audio/wav")
mime.AddExtensionType(".flac", "audio/flac")
mime.AddExtensionType(".aac", "audio/aac")
mime.AddExtensionType(".ogg", "audio/ogg")
}
func ResolveEntryMime(entry *filer_pb.Entry) string {
if entry == nil {
return "application/octet-stream"
}
if entry.IsDirectory {
return "inode/directory"
}
if entry.Attributes != nil {
normalized := normalizeMimeType(entry.Attributes.Mime)
if normalized != "" {
return normalized
}
}
return inferMimeTypeFromName(entry.Name)
}
func normalizeMimeType(value string) string {
value = strings.TrimSpace(value)
if value == "" {
return ""
}
if mediaType, _, err := mime.ParseMediaType(value); err == nil && mediaType != "" {
return strings.ToLower(mediaType)
}
if idx := strings.Index(value, ";"); idx >= 0 {
value = value[:idx]
}
return strings.ToLower(strings.TrimSpace(value))
}
func inferMimeTypeFromName(filename string) string {
ext := path.Ext(filename)
if mimeType := mime.TypeByExtension(ext); mimeType != "" {
// mime.TypeByExtension can include parameters (e.g., charset), so we parse just the media type.
if mediaType, _, err := mime.ParseMediaType(mimeType); err == nil {
return mediaType
}
}
return "application/octet-stream"
}

View File

@@ -0,0 +1,68 @@
package dash
import (
"testing"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
)
func TestResolveEntryMimePrefersStoredMime(t *testing.T) {
entry := &filer_pb.Entry{
Name: "report.txt",
Attributes: &filer_pb.FuseAttributes{
Mime: " application/pdf; charset=binary ",
},
}
if got := ResolveEntryMime(entry); got != "application/pdf" {
t.Fatalf("ResolveEntryMime() = %q, want %q", got, "application/pdf")
}
}
func TestResolveEntryMimePrefersStoredMimeMalformedParameter(t *testing.T) {
entry := &filer_pb.Entry{
Name: "report.txt",
Attributes: &filer_pb.FuseAttributes{
Mime: "APPLICATION/PDF; bad",
},
}
if got := ResolveEntryMime(entry); got != "application/pdf" {
t.Fatalf("ResolveEntryMime() = %q, want %q", got, "application/pdf")
}
}
func TestResolveEntryMimeFallsBackToFilename(t *testing.T) {
entry := &filer_pb.Entry{Name: "archive.zip"}
if got := ResolveEntryMime(entry); got != "application/zip" {
t.Fatalf("ResolveEntryMime() = %q, want %q", got, "application/zip")
}
}
func TestResolveEntryMimeReturnsDirectoryMime(t *testing.T) {
entry := &filer_pb.Entry{
Name: "folder",
IsDirectory: true,
Attributes: &filer_pb.FuseAttributes{
Mime: "application/json",
},
}
if got := ResolveEntryMime(entry); got != "inode/directory" {
t.Fatalf("ResolveEntryMime() = %q, want %q", got, "inode/directory")
}
}
func TestResolveEntryMimeWhitespaceMimeFallsBackToFilename(t *testing.T) {
entry := &filer_pb.Entry{
Name: "archive.zip",
Attributes: &filer_pb.FuseAttributes{
Mime: " ",
},
}
if got := ResolveEntryMime(entry); got != "application/zip" {
t.Fatalf("ResolveEntryMime() = %q, want %q", got, "application/zip")
}
}

View File

@@ -699,8 +699,7 @@ func (h *FileBrowserHandlers) ViewFile(w http.ResponseWriter, r *http.Request) {
size = int64(entry.Attributes.FileSize)
}
// Determine MIME type with comprehensive extension support
mime := h.determineMimeType(entry.Name)
mime := dash.ResolveEntryMime(entry)
fileEntry = dash.FileEntry{
Name: entry.Name,
@@ -854,10 +853,8 @@ func (h *FileBrowserHandlers) GetFileProperties(w http.ResponseWriter, r *http.R
properties["chunk_count"] = len(entry.Chunks)
}
// Determine MIME type
if !entry.IsDirectory {
mime := h.determineMimeType(entry.Name)
properties["mime_type"] = mime
properties["mime_type"] = dash.ResolveEntryMime(entry)
}
return nil
@@ -884,148 +881,6 @@ func (h *FileBrowserHandlers) formatBytes(bytes int64) string {
return fmt.Sprintf("%.1f %cB", float64(bytes)/float64(div), "KMGTPE"[exp])
}
// Helper function to determine MIME type from filename
func (h *FileBrowserHandlers) determineMimeType(filename string) string {
ext := strings.ToLower(filepath.Ext(filename))
// Text files
switch ext {
case ".txt", ".log", ".cfg", ".conf", ".ini", ".properties":
return "text/plain"
case ".md", ".markdown":
return "text/markdown"
case ".html", ".htm":
return "text/html"
case ".css":
return "text/css"
case ".js", ".mjs":
return "application/javascript"
case ".ts":
return "text/typescript"
case ".json":
return "application/json"
case ".xml":
return "application/xml"
case ".yaml", ".yml":
return "text/yaml"
case ".csv":
return "text/csv"
case ".sql":
return "text/sql"
case ".sh", ".bash", ".zsh", ".fish":
return "text/x-shellscript"
case ".py":
return "text/x-python"
case ".go":
return "text/x-go"
case ".java":
return "text/x-java"
case ".c":
return "text/x-c"
case ".cpp", ".cc", ".cxx", ".c++":
return "text/x-c++"
case ".h", ".hpp":
return "text/x-c-header"
case ".php":
return "text/x-php"
case ".rb":
return "text/x-ruby"
case ".pl":
return "text/x-perl"
case ".rs":
return "text/x-rust"
case ".swift":
return "text/x-swift"
case ".kt":
return "text/x-kotlin"
case ".scala":
return "text/x-scala"
case ".dockerfile":
return "text/x-dockerfile"
case ".gitignore", ".gitattributes":
return "text/plain"
case ".env":
return "text/plain"
// Image files
case ".jpg", ".jpeg":
return "image/jpeg"
case ".png":
return "image/png"
case ".gif":
return "image/gif"
case ".bmp":
return "image/bmp"
case ".webp":
return "image/webp"
case ".svg":
return "image/svg+xml"
case ".ico":
return "image/x-icon"
// Document files
case ".pdf":
return "application/pdf"
case ".doc":
return "application/msword"
case ".docx":
return "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
case ".xls":
return "application/vnd.ms-excel"
case ".xlsx":
return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
case ".ppt":
return "application/vnd.ms-powerpoint"
case ".pptx":
return "application/vnd.openxmlformats-officedocument.presentationml.presentation"
// Archive files
case ".zip":
return "application/zip"
case ".tar":
return "application/x-tar"
case ".gz":
return "application/gzip"
case ".bz2":
return "application/x-bzip2"
case ".7z":
return "application/x-7z-compressed"
case ".rar":
return "application/x-rar-compressed"
// Video files
case ".mp4":
return "video/mp4"
case ".avi":
return "video/x-msvideo"
case ".mov":
return "video/quicktime"
case ".wmv":
return "video/x-ms-wmv"
case ".flv":
return "video/x-flv"
case ".webm":
return "video/webm"
// Audio files
case ".mp3":
return "audio/mpeg"
case ".wav":
return "audio/wav"
case ".flac":
return "audio/flac"
case ".aac":
return "audio/aac"
case ".ogg":
return "audio/ogg"
default:
// For files without extension or unknown extensions,
// we'll check if they might be text files by content
return "application/octet-stream"
}
}
// Helper function to check if a file is likely a text file by checking content
func (h *FileBrowserHandlers) isLikelyTextFile(filePath string, maxCheckSize int64) bool {
filerAddress := h.adminServer.GetFilerAddress()