crowdsec/pkg/hubtest/utils.go

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package hubtest
import (
"fmt"
"os"
"path/filepath"
)
func Copy(sourceFile string, destinationFile string) error {
input, err := os.ReadFile(sourceFile)
if err != nil {
return err
}
err = os.WriteFile(destinationFile, input, 0644)
if err != nil {
return err
}
return nil
}
// checkPathNotContained returns an error if 'subpath' is inside 'path'
func checkPathNotContained(path string, subpath string) error {
absPath, err := filepath.Abs(path)
if err != nil {
return err
}
absSubPath, err := filepath.Abs(subpath)
if err != nil {
return err
}
current := absSubPath
for {
if current == absPath {
return fmt.Errorf("cannot copy a folder onto itself")
}
up := filepath.Dir(current)
if current == up {
break
}
current = up
}
return nil
}
func CopyDir(src string, dest string) error {
err := checkPathNotContained(src, dest)
if err != nil {
return err
}
f, err := os.Open(src)
if err != nil {
return err
}
file, err := f.Stat()
if err != nil {
return err
}
if !file.IsDir() {
return fmt.Errorf("Source " + file.Name() + " is not a directory!")
}
err = os.MkdirAll(dest, 0755)
if err != nil {
return err
}
files, err := os.ReadDir(src)
if err != nil {
return err
}
for _, f := range files {
if f.IsDir() {
err = CopyDir(src+"/"+f.Name(), dest+"/"+f.Name())
if err != nil {
return err
}
}
if !f.IsDir() {
content, err := os.ReadFile(src + "/" + f.Name())
if err != nil {
return err
}
err = os.WriteFile(dest+"/"+f.Name(), content, 0755)
if err != nil {
return err
}
}
}
return nil
}