// Copyright 2021 EMQ Technologies Co., Ltd. // // 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 filex import ( "archive/zip" "fmt" "io" "os" "path/filepath" ) func UnzipTo(f *zip.File, fpath string) error { _, err := os.Stat(fpath) if f.FileInfo().IsDir() { // Make Folder if _, err := os.Stat(fpath); os.IsNotExist(err) { if err := os.MkdirAll(fpath, os.ModePerm); err != nil { return err } } return nil } if err == nil || !os.IsNotExist(err) { if err = os.RemoveAll(fpath); err != nil { return fmt.Errorf("failed to delete file %s", fpath) } } if _, err := os.Stat(filepath.Dir(fpath)); os.IsNotExist(err) { if err := os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil { return err } } outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode()) if err != nil { return err } rc, err := f.Open() if err != nil { return err } _, err = io.Copy(outFile, rc) outFile.Close() rc.Close() return err }