37 lines
660 B
Go
37 lines
660 B
Go
//go:build !windows
|
|
// +build !windows
|
|
|
|
package acme
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
)
|
|
|
|
// CheckFile checks file permissions and content size.
|
|
func CheckFile(name string) (bool, error) {
|
|
f, err := os.Open(name)
|
|
if err != nil && os.IsNotExist(err) {
|
|
nf, err := os.Create(name)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer nf.Close()
|
|
return false, nf.Chmod(0o600)
|
|
}
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
defer f.Close()
|
|
|
|
fi, err := f.Stat()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
|
|
if fi.Mode().Perm()&0o077 != 0 {
|
|
return false, fmt.Errorf("permissions %o for %s are too open, please use 600", fi.Mode().Perm(), name)
|
|
}
|
|
|
|
return fi.Size() > 0, nil
|
|
}
|