39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package services
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/pem"
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"math/big"
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"time"
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)
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func generateSelfSignedCertPEM() (string, string, error) {
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priv, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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return "", "", err
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}
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template := x509.Certificate{
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SerialNumber: big.NewInt(1),
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Subject: pkix.Name{CommonName: "test.example.com"},
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NotBefore: time.Now(),
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NotAfter: time.Now().Add(365 * 24 * time.Hour),
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KeyUsage: x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
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ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
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BasicConstraintsValid: true,
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}
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derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
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if err != nil {
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return "", "", err
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}
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certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: derBytes})
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keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
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return string(certPEM), string(keyPEM), nil
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}
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