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943b9b7859
* [service] Set file permissions on windows * [service] Fix minor windows permission bugs * [service] Fix permission bugs * [service] Fix windows non admin user start
36 lines
652 B
Go
36 lines
652 B
Go
package renameio
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import (
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"os"
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"runtime"
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"github.com/hectane/go-acl"
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)
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// WriteFile mirrors os.WriteFile, replacing an existing file with the same
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// name atomically.
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func WriteFile(filename string, data []byte, perm os.FileMode) error {
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t, err := TempFile("", filename)
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if err != nil {
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return err
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}
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defer func() {
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_ = t.Cleanup()
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}()
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// Set permissions before writing data, in case the data is sensitive.
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if runtime.GOOS == "windows" {
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err = acl.Chmod(t.path, perm)
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} else {
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err = t.Chmod(perm)
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}
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if err != nil {
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return err
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}
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if _, err := t.Write(data); err != nil {
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return err
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}
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return t.CloseAtomicallyReplace()
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}
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