122 lines
2.4 KiB
Go
Executable File
122 lines
2.4 KiB
Go
Executable File
/*
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Copyright 2021 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"crypto/md5"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"os"
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"path/filepath"
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"github.com/beclab/Olares/cli/pkg/core/logger"
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"github.com/pkg/errors"
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"github.com/shurcooL/httpfs/vfsutil"
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)
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func IsExist(path string) bool {
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_, err := os.Stat(path)
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if err != nil {
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if os.IsExist(err) {
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return true
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}
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if os.IsNotExist(err) {
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return false
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}
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return false
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}
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return true
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}
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func CreateDir(path string) error {
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if IsExist(path) == false {
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err := os.MkdirAll(path, os.ModePerm)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func IsSymLink(path string) (bool, error) {
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fileInfo, err := os.Lstat(path)
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if err != nil {
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return false, err
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}
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return fileInfo.Mode()&os.ModeSymlink != 0, nil
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}
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func FileMD5(path string) (string, error) {
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file, err := os.Open(path)
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defer file.Close()
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if err != nil {
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return "", err
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}
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m := md5.New()
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if _, err := io.Copy(m, file); err != nil {
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return "", err
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}
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fileMd5 := fmt.Sprintf("%x", m.Sum(nil))
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return fileMd5, nil
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}
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func DeleteFile(path string) error {
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return os.Remove(path)
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}
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func LocalMd5Sum(src string) string {
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md5Str, err := FileMD5(src)
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if err != nil {
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logger.Fatalf("get file md5 failed %v", err)
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return ""
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}
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return md5Str
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}
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func Mkdir(dirName string) error {
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return os.MkdirAll(dirName, os.ModePerm)
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}
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func CopyEmbed(assets http.FileSystem, embeddedDir, dst string) error {
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return vfsutil.WalkFiles(assets, embeddedDir, func(path string, info os.FileInfo, rs io.ReadSeeker, err error) error {
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if err != nil {
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return err
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}
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if len(path)+1 < len(embeddedDir) {
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return errors.New("embedded dir is empty")
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}
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targetPath := filepath.Join(dst, path[len(embeddedDir)-1:])
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if info.IsDir() {
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return Mkdir(targetPath)
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}
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data, err := vfsutil.ReadFile(assets, path)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(targetPath, data, os.ModePerm)
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})
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}
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