From 26fee6b39e7d7d97ed29438b2d1bf033f6ae3312 Mon Sep 17 00:00:00 2001
From: Bob <saltbo@foxmail.com>
Date: Mon, 18 May 2020 11:39:03 +0800
Subject: [PATCH] fix: support detect mimeType by the file ext

---
 utils/utils.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/utils/utils.go b/utils/utils.go
index 76b47bf..3c61739 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -5,8 +5,10 @@ import (
 	"encoding/hex"
 	"io"
 	"io/ioutil"
+	"mime"
 	"net/http"
 	"os"
+	"path"
 )
 
 // FileMD5 returns the file md5 hash hex
@@ -27,6 +29,11 @@ func FileMD5(filepath string) string {
 
 // FileContentType returns the file content-type
 func FileContentType(filepath string) string {
+	mimeType := mime.TypeByExtension(path.Ext(filepath))
+	if mimeType != "" {
+		return mimeType
+	}
+	
 	fileData, err := ioutil.ReadFile(filepath)
 	if err != nil {
 		return ""