mirror of https://github.com/casbin/casnode.git
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
// Copyright 2020 The casbin Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package util
|
|
|
|
import (
|
|
"path"
|
|
"strings"
|
|
)
|
|
|
|
var stdImageExt = []string{"png", "jpg", "gif", "jpeg"}
|
|
|
|
func FileExt(fileName string) string {
|
|
ext := path.Ext(fileName)
|
|
|
|
return strings.ReplaceAll(ext, ".", "")
|
|
}
|
|
|
|
// FileType return image or file
|
|
func FileType(fileName string) string {
|
|
ext := FileExt(fileName)
|
|
|
|
if ext == "" {
|
|
return "file"
|
|
}
|
|
|
|
lowerCase := strings.ToLower(ext)
|
|
|
|
for _, v := range stdImageExt {
|
|
if v == lowerCase {
|
|
return "image"
|
|
}
|
|
}
|
|
|
|
return "file"
|
|
}
|