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GoTunnel/pkg/plugin/sign/official.go
Flik ab81e08100
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2025-12-29 19:23:09 +08:00

78 lines
1.7 KiB
Go

package sign
import (
"crypto/ed25519"
"fmt"
"sync"
"time"
)
// KeyEntry 密钥条目
type KeyEntry struct {
ID string // 密钥 ID
PublicKey string // Base64 编码的公钥
ValidFrom time.Time // 生效时间
RevokedAt time.Time // 吊销时间(零值表示未吊销)
}
// 官方公钥列表(支持密钥轮换)
var officialKeys = []KeyEntry{
{
ID: "official-v1",
PublicKey: "0A0xRthj0wgPg8X8GJZ6/EnNpAUw5v7O//XLty+P5Yw=",
ValidFrom: time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC),
},
// 添加新密钥时,在此处追加
}
var (
keyCache map[string]ed25519.PublicKey
keyCacheOnce sync.Once
)
// initKeyCache 初始化密钥缓存
func initKeyCache() {
keyCache = make(map[string]ed25519.PublicKey)
for _, entry := range officialKeys {
if pub, err := DecodePublicKey(entry.PublicKey); err == nil {
keyCache[entry.ID] = pub
}
}
}
// GetOfficialPublicKey 获取默认官方公钥(兼容旧接口)
func GetOfficialPublicKey() (ed25519.PublicKey, error) {
return GetPublicKeyByID("official-v1")
}
// GetPublicKeyByID 根据 ID 获取公钥
func GetPublicKeyByID(keyID string) (ed25519.PublicKey, error) {
keyCacheOnce.Do(initKeyCache)
pub, ok := keyCache[keyID]
if !ok {
return nil, fmt.Errorf("unknown key ID: %s", keyID)
}
return pub, nil
}
// IsKeyRevoked 检查密钥是否已吊销
func IsKeyRevoked(keyID string) bool {
for _, entry := range officialKeys {
if entry.ID == keyID {
return !entry.RevokedAt.IsZero()
}
}
return true // 未知密钥视为已吊销
}
// GetKeyEntry 获取密钥条目
func GetKeyEntry(keyID string) *KeyEntry {
for i := range officialKeys {
if officialKeys[i].ID == keyID {
return &officialKeys[i]
}
}
return nil
}