Scert/backend/internal/deployment/artifact.go

54 lines
1.7 KiB
Go

package deployment
import (
"bytes"
"crypto/tls"
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
"time"
)
// validateArtifact 是传输前的完整性检查;域名覆盖和环境信任策略由证书服务负责。
func validateArtifact(artifact Artifact) error {
if len(artifact.Certificate) == 0 || len(artifact.FullChain) == 0 || len(artifact.PrivateKey) == 0 {
return errors.New("证书部署文件不完整")
}
certificate, err := tls.X509KeyPair(artifact.Certificate, artifact.PrivateKey)
if err != nil {
return fmt.Errorf("部署证书与私钥不匹配:%w", err)
}
chain, err := tls.X509KeyPair(artifact.FullChain, artifact.PrivateKey)
if err != nil {
return fmt.Errorf("部署证书链与私钥不匹配:%w", err)
}
if !bytes.Equal(certificate.Certificate[0], chain.Certificate[0]) {
return errors.New("部署证书与完整证书链的叶子证书不一致")
}
var previous *x509.Certificate
remaining := bytes.TrimSpace(artifact.FullChain)
now := time.Now()
for len(remaining) > 0 {
block, rest := pem.Decode(remaining)
if block == nil || block.Type != "CERTIFICATE" || !bytes.HasPrefix(remaining, []byte("-----BEGIN CERTIFICATE-----")) {
return errors.New("部署证书链包含无效 PEM 内容")
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return fmt.Errorf("解析部署证书链失败:%w", err)
}
if now.Before(cert.NotBefore) || !now.Before(cert.NotAfter) {
return errors.New("部署证书链包含尚未生效或已过期的证书")
}
if previous != nil {
if err := previous.CheckSignatureFrom(cert); err != nil {
return fmt.Errorf("部署证书链签名或顺序无效:%w", err)
}
}
previous = cert
remaining = bytes.TrimSpace(rest)
}
return nil
}