Files
casdoor/util/cert.go

51 lines
1.4 KiB
Go

// Copyright 2026 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package util
import (
"crypto/x509"
"encoding/pem"
"errors"
"fmt"
"time"
"golang.org/x/net/publicsuffix"
)
func GetCertExpireTime(s string) (string, error) {
block, _ := pem.Decode([]byte(s))
if block == nil {
return "", errors.New("getCertExpireTime() error, block should not be nil")
} else if block.Type != "CERTIFICATE" {
return "", fmt.Errorf("getCertExpireTime() error, block.Type should be \"CERTIFICATE\" instead of %s", block.Type)
}
certificate, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return "", err
}
t := certificate.NotAfter
return t.Local().Format(time.RFC3339), nil
}
func GetBaseDomain(domain string) (string, error) {
// abc.com -> abc.com
// abc.com.it -> abc.com.it
// subdomain.abc.io -> abc.io
// subdomain.abc.org.us -> abc.org.us
return publicsuffix.EffectiveTLDPlusOne(domain)
}