package utils import ( "mime" "path/filepath" "strings" ) var excludeAudioType = []string{ "audio/x-mpegurl", "audio/x-scpls", } func IsAudioFile(filePath string) bool { extension := filepath.Ext(filePath) mimeType := mime.TypeByExtension(extension) return !StringInSlice(mimeType, excludeAudioType) && strings.HasPrefix(mimeType, "audio/") } func IsImageFile(filePath string) bool { extension := filepath.Ext(filePath) return strings.HasPrefix(mime.TypeByExtension(extension), "image/") }