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Copy pathv2migration.go
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Copy pathv2migration.go
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80 lines (76 loc) · 2.32 KB
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package main
import (
"bytes"
"errors"
"fmt"
"os"
"path/filepath"
)
func legacyV1Present(baseDir string) bool {
for _, name := range []string{"key", "key.pub", "pasu.conf"} {
info, err := os.Lstat(filepath.Join(baseDir, name))
if err != nil || !info.Mode().IsRegular() || info.Mode()&os.ModeSymlink != 0 {
return false
}
}
return true
}
func applyLegacySafeSettings(registry *v2Registry, legacy *allowlist) error {
if legacy == nil {
return nil
}
return registry.mutate(func(data *v2RegistryData) error {
if legacy.limit != nil {
data.Settings.RateCount = legacy.limit.max
data.Settings.RateWindow = legacy.limit.window
}
if legacy.logSize != nil {
data.Settings.LogSize = int64(*legacy.logSize)
}
if legacy.askCooldown != nil {
data.Settings.AskCooldown = *legacy.askCooldown
}
if legacy.notifyCooldown != nil {
data.Settings.NotifyCooldown = *legacy.notifyCooldown
}
return nil
})
}
func migrateV1ToV2(baseDir string, manager *v2KeyManager, registry *v2Registry) error {
if !registry.snapshot().MigrationPending {
return nil
}
if !legacyV1Present(baseDir) {
return errors.New("v1 이전 파일이 완전하지 않음")
}
payload, err := keychainReadFn("Pasu v2 이전: 기존 단일 키 잠금 해제")
if err != nil {
return err
}
defer wipe(payload)
passphrase, bindKey, err := parseKeychainPayload(filepath.Join(baseDir, "key"), payload)
if err != nil {
return err
}
snapshot, err := readConfigSnapshot(filepath.Join(baseDir, "pasu.conf"), filepath.Join(baseDir, "approvals.conf"))
if err != nil {
return err
}
if err := snapshot.verify(bindKey, filepath.Join(baseDir, "conf.hmac")); err != nil {
return fmt.Errorf("v1 설정 결속 검증 실패: %w", err)
}
legacy, err := parseAllowlist(bytes.NewReader(snapshot.conf), filepath.Dir(baseDir))
if err != nil {
return fmt.Errorf("v1 안전 설정 해석 실패: %w", err)
}
if err := applyLegacySafeSettings(registry, legacy); err != nil {
return err
}
if _, err := manager.importLegacy("기존 Pasu 키", filepath.Join(baseDir, "key"), filepath.Join(baseDir, "key.pub"), passphrase); err != nil {
return fmt.Errorf("v1 키 복사 실패: %w", err)
}
if err := registry.setMigrationPending(false); err != nil {
return fmt.Errorf("v1 키는 복사됐지만 이전 완료 기록 실패: %w", err)
}
return nil
}