mirror of https://github.com/kubernetes/kops.git
76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
/*
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Copyright 2021 The Kubernetes 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 util
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import (
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"archive/zip"
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"bytes"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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)
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// UnzipToTempDir will decompress the provided bytes into a temporary directory that is returned
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func UnzipToTempDir(data []byte) (string, error) {
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reader, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
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if err != nil {
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return "", err
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}
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dir, err := os.MkdirTemp("", "")
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if err != nil {
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return "", err
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}
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for _, r := range reader.File {
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fileNamePath := filepath.Join(dir, r.Name)
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if !strings.HasPrefix(fileNamePath, filepath.Clean(dir)+string(os.PathSeparator)) {
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return "", fmt.Errorf("invalid file path: %v", fileNamePath)
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}
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if r.FileInfo().IsDir() {
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os.MkdirAll(fileNamePath, os.ModePerm)
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continue
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}
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if err = os.MkdirAll(filepath.Dir(fileNamePath), os.ModePerm); err != nil {
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return "", err
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}
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output, err := os.OpenFile(fileNamePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, r.Mode())
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if err != nil {
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return "", err
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}
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fileReader, err := r.Open()
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if err != nil {
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return "", err
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}
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_, err = io.Copy(output, fileReader)
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output.Close()
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fileReader.Close()
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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 dir, nil
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}
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