31 lines
565 B
Go
31 lines
565 B
Go
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package helpers
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import (
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"io"
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"mime"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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)
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func MimeTypeForFile(path string, filename string) string {
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if mimeType := mime.TypeByExtension(strings.ToLower(filepath.Ext(filename))); mimeType != "" {
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return mimeType
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}
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file, err := os.Open(path)
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if err != nil {
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return "application/octet-stream"
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}
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defer file.Close()
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buffer := make([]byte, 512)
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bytesRead, err := file.Read(buffer)
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if err != nil && err != io.EOF {
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return "application/octet-stream"
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}
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return http.DetectContentType(buffer[:bytesRead])
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}
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