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package simplesequoia
import (
"errors"
"strings"
)
type Option func(*simpleSequoiaSigner) error
// WithSequoiaHome returns an Option for NewSigner, specifying a Sequoia home directory to use.
func WithSequoiaHome(sequoiaHome string) Option {
return func(s *simpleSequoiaSigner) error {
s.sequoiaHome = sequoiaHome
return nil
}
}
// WithKeyFingerprint returns an Option for NewSigner, specifying a key to sign with, using the provided Sequoia-PGP key fingerprint.
func WithKeyFingerprint(keyFingerprint string) Option {
return func(s *simpleSequoiaSigner) error {
s.keyFingerprint = keyFingerprint
return nil
}
}
// WithPassphrase returns an Option for NewSigner, specifying a passphrase for the private key.
func WithPassphrase(passphrase string) Option {
return func(s *simpleSequoiaSigner) error {
// The gpgme implementation can’t use passphrase with \n; reject it here for consistent behavior.
// FIXME: We don’t need it in this API at all, but the "\n" check exists in the current call stack. That should go away.
if strings.Contains(passphrase, "\n") {
return errors.New("invalid passphrase: must not contain a line break")
}
s.passphrase = passphrase
return nil
}
}
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