Function serveFileDirectly

tsunami/engine/serverhandlers.go:522–550

serveFileDirectly serves a file directly from an embed.FS to avoid redirect loops when serving directory paths that end with "/"

(w http.ResponseWriter, r *http.Request, embeddedFS fs.FS, requestPath, fileName string)

// serveFileDirectly serves a file directly from an embed.FS to avoid redirect loops
// when serving directory paths that end with "/"
func serveFileDirectly(w http.ResponseWriter, r *http.Request, embeddedFS fs.FS, requestPath, fileName string) bool {
	if !strings.HasSuffix(requestPath, "/") {
		return false
	}

	// Try to serve the specified file from that directory
	var filePath string
	if requestPath == "/" {
		filePath = fileName
	} else {
		filePath = strings.TrimPrefix(requestPath, "/") + fileName
	}

	file, err := embeddedFS.Open(filePath)
	if err != nil {
		return false
	}
	defer file.Close()

	// Get file info for modification time
	fileInfo, err := file.Stat()
	if err != nil {
		return false
	}

	// Serve the file directly with proper mod time
	http.ServeContent(w, r, fileName, fileInfo.ModTime(), file.(io.ReadSeeker))
	return true
}

func (h *httpHandlers) handleStaticFiles(embeddedFS fs.FS) http.HandlerFunc {
	fileServer := http.FileServer(http.FS(embeddedFS))