pages-server/server/certificates/mock.go

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package certificates
import (
"bytes"
"crypto/rand"
"crypto/rsa"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
"time"
"github.com/go-acme/lego/v4/certcrypto"
"github.com/go-acme/lego/v4/certificate"
"codeberg.org/codeberg/pages/server/database"
)
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func mockCert(domain, msg, mainDomainSuffix string, keyDatabase database.CertDB) tls.Certificate {
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key, err := certcrypto.GeneratePrivateKey(certcrypto.RSA2048)
if err != nil {
panic(err)
}
template := x509.Certificate{
SerialNumber: big.NewInt(1),
Subject: pkix.Name{
CommonName: domain,
Organization: []string{"Codeberg Pages Error Certificate (couldn't obtain ACME certificate)"},
OrganizationalUnit: []string{
"Will not try again for 6 hours to avoid hitting rate limits for your domain.",
"Check https://docs.codeberg.org/codeberg-pages/troubleshooting/ for troubleshooting tips, and feel " +
"free to create an issue at https://codeberg.org/Codeberg/pages-server if you can't solve it.\n",
"Error message: " + msg,
},
},
// certificates younger than 7 days are renewed, so this enforces the cert to not be renewed for a 6 hours
NotAfter: time.Now().Add(time.Hour*24*7 + time.Hour*6),
NotBefore: time.Now(),
KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
BasicConstraintsValid: true,
}
certBytes, err := x509.CreateCertificate(
rand.Reader,
&template,
&template,
&key.(*rsa.PrivateKey).PublicKey,
key,
)
if err != nil {
panic(err)
}
out := &bytes.Buffer{}
err = pem.Encode(out, &pem.Block{
Bytes: certBytes,
Type: "CERTIFICATE",
})
if err != nil {
panic(err)
}
outBytes := out.Bytes()
res := &certificate.Resource{
PrivateKey: certcrypto.PEMEncode(key),
Certificate: outBytes,
IssuerCertificate: outBytes,
Domain: domain,
}
databaseName := domain
if domain == "*"+mainDomainSuffix || domain == mainDomainSuffix[1:] {
databaseName = mainDomainSuffix
}
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if err := keyDatabase.Put(databaseName, res); err != nil {
panic(err)
}
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tlsCertificate, err := tls.X509KeyPair(res.Certificate, res.PrivateKey)
if err != nil {
panic(err)
}
return tlsCertificate
}