major change of websocket dbmHandler structure

cert/cert.go

@@ -0,0 +1,89 @@
+package cert
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"math/big"
+	"os"
+	"path"
+	"time"
+)
+
+type Cert struct {
+	Organization string
+	CertFile     string
+	KeyFile      string
+}
+
+// Initialize a new ssl certificate handler with organization name
+func NewCertHandler(org string) *Cert {
+	return &Cert{
+		Organization: org,
+	}
+}
+
+// generates a new self signed ssl certificate foe localhost and development use
+func (c *Cert) GenerateSelfSignedCert() error {
+
+	// do not generate certs if they exist
+	// _, err := os.Stat(c.CertFile)
+	// _, err2 := os.Stat(c.KeyFile)
+	// if !os.IsNotExist(err) && !os.IsNotExist(err2) {
+	// 	return nil
+	// }
+
+	priv, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		return err
+	}
+
+	serialNumber, _ := rand.Int(rand.Reader, big.NewInt(1<<62))
+
+	template := x509.Certificate{
+		SerialNumber: serialNumber,
+		Subject: pkix.Name{
+			CommonName:   "localhost",
+			Organization: []string{c.Organization},
+		},
+		NotBefore: time.Now(),
+		NotAfter:  time.Now().Add(365 * 24 * time.Hour),
+
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		BasicConstraintsValid: true,
+		DNSNames:              []string{"localhost"},
+	}
+
+	certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
+	if err != nil {
+		return err
+	}
+
+	if _, err := os.Stat(path.Dir(c.CertFile)); os.IsNotExist(err) {
+		os.MkdirAll(path.Dir(c.CertFile), 0666)
+	}
+
+	certOut, err := os.Create(c.CertFile)
+	if err != nil {
+		return err
+	}
+	defer certOut.Close()
+	pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: certDER})
+
+	if _, err := os.Stat(path.Dir(c.KeyFile)); os.IsNotExist(err) {
+		os.MkdirAll(path.Dir(c.KeyFile), 0666)
+	}
+
+	keyOut, err := os.Create(c.KeyFile)
+	if err != nil {
+		return err
+	}
+	defer keyOut.Close()
+
+	pem.Encode(keyOut, &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
+
+	return nil
+}

cert/cert.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

cert/key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----