42 lines
888 B
Go
42 lines
888 B
Go
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// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package uplink
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import (
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"os"
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"github.com/zeebo/errs"
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)
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// SaveEncryptionKey generates a Storj key from the inputKey and save it into a
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// new file created in filepath.
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func SaveEncryptionKey(inputKey string, filepath string) error {
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switch {
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case len(inputKey) == 0:
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return Error.New("inputKey is empty")
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case filepath == "":
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return Error.New("filepath is empty")
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}
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file, err := os.OpenFile(filepath, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0600)
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if err != nil {
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if os.IsNotExist(err) {
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return Error.New("directory path doesn't exist. %+v", err)
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}
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if os.IsExist(err) {
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return Error.New("file key already exists. %+v", err)
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}
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return Error.Wrap(err)
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}
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defer func() {
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err = Error.Wrap(errs.Combine(err, file.Close()))
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}()
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_, err = file.Write([]byte(inputKey))
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return err
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}
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