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package componentcore
import (
"errors"
"os"
"path/filepath"
"strings"
"github.com/bluesky-social/indigo/atproto/atcrypto"
)
func loadOAuthCLIKey(stateDir string) (atcrypto.PrivateKey, error) {
stateDir = strings.TrimSpace(stateDir)
if stateDir == "" {
return nil, errors.New("componentcore: no state dir for the oauth cli key")
}
path := filepath.Join(stateDir, "oauth-cli-key")
raw, err := os.ReadFile(path)
if err == nil {
if key, parseErr := atcrypto.ParsePrivateMultibase(strings.TrimSpace(string(raw))); parseErr == nil {
if _, ok := key.(*atcrypto.PrivateKeyK256); ok {
return key, nil
}
}
} else if !errors.Is(err, os.ErrNotExist) {
return nil, err
}
key, err := atcrypto.GeneratePrivateKeyK256()
if err != nil {
return nil, err
}
if err := os.MkdirAll(filepath.Dir(path), 0o700); err != nil {
return nil, err
}
if err := os.WriteFile(path, []byte(key.Multibase()+"\n"), 0o600); err != nil {
return nil, err
}
return key, nil
}
