fix content type for video

constant.go

@@ -13,7 +13,11 @@ var listBuckets = []string{
 }
 
 var ListTypes = struct {
+	File  string
+	Photo string
 	Video string
 }{
+	File:  "file",
+	Photo: "photo",
 	Video: "video",
 }

presigned_url.go

@@ -3,6 +3,7 @@ package minio
 import (
 	"context"
 	"fmt"
+	"net/url"
 	"time"
 )
 
@@ -13,21 +14,18 @@ func (c Client) GetPresignedURL(ctx context.Context, bucket, object, fileType st
 	}
 
 	// params
-	//reqParams := make(url.Values)
-	//
-	//// add content type for video
-	//if fileType == ListTypes.Video {
-	//	parts := strings.Split(object, ".")
-	//	reqParams.Set("response-content-type", fmt.Sprintf("video/%s", parts[len(parts)-1]))
-	//} else {
-	//	reqParams.Set("response-content-disposition", fmt.Sprintf("attachment; filename=\"%s\"", object))
-	//}
+	reqParams := make(url.Values)
+
+	// set name for type "file"
+	if fileType == ListTypes.File {
+		reqParams.Set("response-content-disposition", fmt.Sprintf("attachment; filename=\"%s\"", object))
+	}
 
 	// get
-	presignedURL, err := c.client.PresignedGetObject(ctx, bucket, object, expiry, nil)
+	presignedURL, err := c.client.PresignedGetObject(ctx, bucket, object, expiry, reqParams)
 	if err != nil {
 		fmt.Printf("[minio.GetPresignedURL][%s] get object '%s' error: %s \n", bucket, object, err.Error())
-		//fmt.Printf("params %v \n", reqParams)
+		fmt.Printf("params %v \n", reqParams)
 		return ""
 	}