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98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
/*
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Copyright 2021-2022 CAcert Inc.
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SPDX-License-Identifier: Apache-2.0
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package signing
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import (
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"crypto/x509"
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"crypto/x509/pkix"
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"fmt"
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"time"
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)
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type X509Signing struct {
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signer Signer
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repo Repository
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}
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func NewX509Signing(signer Signer, repo Repository) *X509Signing {
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return &X509Signing{signer: signer, repo: repo}
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}
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type RequestSignature struct {
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rawCSRData []byte
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subjectCommonName string
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emails []string
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dnsNames []string
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duration time.Duration
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signatureAlgorithm x509.SignatureAlgorithm
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}
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func NewRequestSignature(
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csrBytes []byte,
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cn string,
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emails, dnsNames []string,
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duration time.Duration,
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signatureAlgorithm x509.SignatureAlgorithm,
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) *RequestSignature {
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return &RequestSignature{
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rawCSRData: csrBytes,
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subjectCommonName: cn,
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emails: emails,
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dnsNames: dnsNames,
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duration: duration,
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signatureAlgorithm: signatureAlgorithm,
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}
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}
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type CertificateSigned struct {
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certificate *x509.Certificate
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}
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func (c CertificateSigned) Certificate() *x509.Certificate {
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return c.certificate
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}
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func (x *X509Signing) Sign(signingRequest *RequestSignature) (*CertificateSigned, error) {
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// validate request content
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csr, err := x509.ParseCertificateRequest(signingRequest.rawCSRData)
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if err != nil {
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return nil, fmt.Errorf("could not parse CSR data: %w", err)
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}
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certificateFromSigner, err := x.signer.SignCertificate(
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NewSignerRequest(
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csr,
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pkix.Name{CommonName: signingRequest.subjectCommonName},
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signingRequest.emails,
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signingRequest.dnsNames,
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signingRequest.duration,
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signingRequest.signatureAlgorithm,
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),
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)
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if err != nil {
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return nil, fmt.Errorf("could not sign certificate: %w", err)
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}
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err = x.repo.StoreCertificate(certificateFromSigner.Certificate)
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if err != nil {
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return nil, fmt.Errorf("could not store certificate: %w", err)
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}
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return &CertificateSigned{certificate: certificateFromSigner.Certificate}, nil
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}
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