44 lines
812 B
Go
44 lines
812 B
Go
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package testutil
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import (
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"encoding/base64"
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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)
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// InitKeyring will create a keyring file at a given path.
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func InitKeyring(path, key string) error {
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if _, err := base64.StdEncoding.DecodeString(key); err != nil {
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return fmt.Errorf("Invalid key: %s", err)
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}
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keys := []string{key}
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keyringBytes, err := json.Marshal(keys)
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if err != nil {
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return err
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}
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if err := os.MkdirAll(filepath.Dir(path), 0700); err != nil {
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return err
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}
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if _, err := os.Stat(path); err == nil {
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return fmt.Errorf("File already exists: %s", path)
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}
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fh, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0600)
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if err != nil {
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return err
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}
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defer fh.Close()
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if _, err := fh.Write(keyringBytes); err != nil {
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os.Remove(path)
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return err
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}
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return nil
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}
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