116 lines
3.4 KiB
Go
116 lines
3.4 KiB
Go
package main
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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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"log"
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"math/big"
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"time"
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)
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func createCertPEM(template, parent *x509.Certificate, pub, priv interface{}) string {
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caCertBytes, err := x509.CreateCertificate(rand.Reader, template, parent, pub, priv)
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if err != nil {
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log.Println("failed to generate CA certificate")
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panic(err)
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}
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return string(pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: caCertBytes}))
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}
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func keyToPem(key *rsa.PrivateKey) string {
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pkcs1 := x509.MarshalPKCS1PrivateKey(key)
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block := &pem.Block{
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Type: "RSA PRIVATE KEY",
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Bytes: pkcs1,
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}
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encoded := pem.EncodeToMemory(block)
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return string(encoded)
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}
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func DirectoryReplicationServerCA() string {
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ca := &x509.Certificate{
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SerialNumber: big.NewInt(1653),
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Subject: pkix.Name{
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Organization: []string{"ORGANIZATION_NAME"},
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Country: []string{"COUNTRY_CODE"},
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Province: []string{"PROVINCE"},
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Locality: []string{"CITY"},
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StreetAddress: []string{"ADDRESS"},
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PostalCode: []string{"POSTAL_CODE"},
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},
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NotBefore: time.Now(),
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NotAfter: time.Now().AddDate(10, 0, 0),
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IsCA: true,
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ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
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KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
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BasicConstraintsValid: true,
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}
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caPrivateKey, _ := rsa.GenerateKey(rand.Reader, 2048)
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return createCertPEM(ca, ca, &caPrivateKey.PublicKey, caPrivateKey)
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}
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func GenerateAPNConfiguration() (a APNConfiguration) {
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ca := &x509.Certificate{
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SerialNumber: big.NewInt(1653),
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Subject: pkix.Name{
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Organization: []string{"ORGANIZATION_NAME"},
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Country: []string{"COUNTRY_CODE"},
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Province: []string{"PROVINCE"},
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Locality: []string{"CITY"},
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StreetAddress: []string{"ADDRESS"},
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PostalCode: []string{"POSTAL_CODE"},
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},
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NotBefore: time.Now(),
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NotAfter: time.Now().AddDate(10, 0, 0),
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IsCA: true,
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ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth, x509.ExtKeyUsageServerAuth},
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KeyUsage: x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
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BasicConstraintsValid: true,
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}
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caPrivateKey, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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log.Println("Failied to generate 2048 bit RSA key for APN CA")
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panic(err)
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}
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caPem := createCertPEM(ca, ca, &caPrivateKey.PublicKey, caPrivateKey)
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privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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log.Println("Failied to generate 2048 bit RSA key for APN configuration")
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panic(err)
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}
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certPem := createCertPEM(&x509.Certificate{
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SerialNumber: big.NewInt(1653),
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Subject: pkix.Name{
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Organization: []string{"ORGANIZATION_NAME"},
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Country: []string{"COUNTRY_CODE"},
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Province: []string{"PROVINCE"},
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Locality: []string{"CITY"},
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StreetAddress: []string{"ADDRESS"},
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PostalCode: []string{"POSTAL_CODE"},
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},
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NotBefore: time.Now(),
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NotAfter: time.Now().AddDate(10, 0, 0),
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KeyUsage: x509.KeyUsageDigitalSignature,
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}, ca, &privateKey.PublicKey, privateKey)
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a.PushCertificate = caPem + certPem
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a.PushKey = keyToPem(privateKey)
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a.BundleID = "a"
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return
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}
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func GenerateGCPSigningKey() string {
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key, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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panic(err)
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}
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return keyToPem(key)
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}
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