superidou
5759c1862e
M0-M7 已完成:核心网关(身份/RBAC/TOTP/OIDC/SAML/Provider/配额/路由/内容策略/审计/定价)+ 资源市场(MCP/Skills/数字员工)。 含 22 个 PostgreSQL 迁移、管理端/门户端前端源码、OpenAPI 契约、部署 compose。 Co-Authored-By: Claude <noreply@anthropic.com>
37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
package legacyid
|
|
|
|
import (
|
|
"crypto/sha1"
|
|
"encoding/hex"
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
// Namespace is stable for the lifetime of this migration lineage. Changing it
|
|
// would generate different UUIDs for the same legacy records.
|
|
const Namespace = "e2464f95-0c8d-5a9c-9c1d-d5bca69bb09f"
|
|
|
|
// UUID returns an RFC 4122 UUIDv5 for a legacy record. SHA-1 is required by the
|
|
// UUIDv5 standard here and is not used for credentials or signatures.
|
|
func UUID(sourceSystem, entityType, legacyID string) (string, error) {
|
|
sourceSystem = strings.TrimSpace(sourceSystem)
|
|
entityType = strings.TrimSpace(entityType)
|
|
legacyID = strings.TrimSpace(legacyID)
|
|
if sourceSystem == "" || entityType == "" || legacyID == "" {
|
|
return "", errors.New("legacy ID components must not be empty")
|
|
}
|
|
if len(sourceSystem) > 64 || len(entityType) > 128 || len(legacyID) > 256 {
|
|
return "", errors.New("legacy ID component is too long")
|
|
}
|
|
namespace, err := hex.DecodeString(strings.ReplaceAll(Namespace, "-", ""))
|
|
if err != nil || len(namespace) != 16 {
|
|
return "", errors.New("invalid UUID namespace")
|
|
}
|
|
name := sourceSystem + "/" + entityType + "/" + legacyID
|
|
digest := sha1.Sum(append(namespace, []byte(name)...))
|
|
digest[6] = digest[6]&0x0f | 0x50
|
|
digest[8] = digest[8]&0x3f | 0x80
|
|
return fmt.Sprintf("%x-%x-%x-%x-%x", digest[0:4], digest[4:6], digest[6:8], digest[8:10], digest[10:16]), nil
|
|
}
|