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